diff --git a/examples/add_list/why3session.xml b/examples/add_list/why3session.xml
index d3544b003d4734c98c82e6122aaca0843dbcc6f3..569abfc3c4105dd391e8fdbb9172db9ad7e751ec 100644
--- a/examples/add_list/why3session.xml
+++ b/examples/add_list/why3session.xml
@@ -35,7 +35,7 @@
     locfile="../add_list.mlw"
     loclnum="32" loccnumb="8" loccnume="11"
     expl="VC for sum"
-    sum="72c83e84b67c41630bc8294cd68c64f5"
+    sum="0a492f8ad504c050cdce87f294c7e321"
     proved="true"
     expanded="true"
     shape="Cainfix =c0.0aadd_realV0Aainfix =c0aadd_intV0aNilCainfix =V4aadd_realV0Aainfix =ainfix +V5V3aadd_intV0aIntegerVainfix =ainfix +.V6V4aadd_realV0Aainfix =V3aadd_intV0aRealVV1Iainfix =V4aadd_realV2Aainfix =V3aadd_intV2FACfaNilainfix =V7V2aConswVV0aConsVVV0F">
@@ -71,7 +71,7 @@
     locfile="../add_list.mlw"
     loclnum="45" loccnumb="4" loccnume="8"
     expl="VC for main"
-    sum="ecbcde4cd071b18e708a736b4cdd0a7a"
+    sum="e4ee17c3f0db6f44050cfe5e902ce0cf"
     proved="true"
     expanded="true"
     shape="ainfix =V2c4.7Aainfix =V1c22Iainfix =V2aadd_realV0Aainfix =V1aadd_intV0FLaConsaIntegerc5aConsaRealc3.3aConsaIntegerc8aConsaRealc1.4aConsaIntegerc9aNil">
@@ -106,7 +106,7 @@
     locfile="../add_list.mlw"
     loclnum="64" loccnumb="4" loccnume="7"
     expl="VC for sum"
-    sum="83604e216310af600dfb7ba405d37f6f"
+    sum="0f9b53b209abc77940c4947079bdeb93"
     proved="true"
     expanded="true"
     shape="ifCainfix =V2aadd_realV0Aainfix =V3aadd_intV0aNilCfaNilainfix =V8V7aConswVV1Aainfix =ainfix +.V2aadd_realV7aadd_realV0Aainfix =ainfix +V6aadd_intV7aadd_intV0Iainfix =V7V5FIainfix =V6ainfix +V3V4FaConsaIntegerVVCfaNilainfix =V13V12aConswVV1Aainfix =ainfix +.V11aadd_realV12aadd_realV0Aainfix =ainfix +V3aadd_intV12aadd_intV0Iainfix =V12V10FIainfix =V11ainfix +.V2V9FaConsaRealVVV1tIainfix =ainfix +.V2aadd_realV1aadd_realV0Aainfix =ainfix +V3aadd_intV1aadd_intV0FAainfix =ainfix +.c0.0aadd_realV0aadd_realV0Aainfix =ainfix +c0aadd_intV0aadd_intV0F">
@@ -134,7 +134,7 @@
     locfile="../add_list.mlw"
     loclnum="88" loccnumb="4" loccnume="8"
     expl="VC for main"
-    sum="9e8d6db4780d4242bc778a1123f8969f"
+    sum="bd44a1ba46c51b25c11a2cfdaf1b3abd"
     proved="true"
     expanded="true"
     shape="ainfix =V2c4.7Aainfix =V1c22Iainfix =V2aadd_realV0Aainfix =V1aadd_intV0FLaConsaIntegerc5aConsaRealc3.3aConsaIntegerc8aConsaRealc1.4aConsaIntegerc9aNil">
diff --git a/examples/algo63/why3session.xml b/examples/algo63/why3session.xml
index 50bfc989fa23ef87a95c67f39faf735908f3c70e..bfd2b7ed9fb8f56c722d6d50b3ace4d1e64a810f 100644
--- a/examples/algo63/why3session.xml
+++ b/examples/algo63/why3session.xml
@@ -32,7 +32,7 @@
     locfile="../algo63.mlw"
     loclnum="23" loccnumb="6" loccnume="14"
     expl="VC for exchange"
-    sum="af3c87123041ef4cfbf816ba787f1445"
+    sum="94ace741d0affbba8bfa8241f045f73f"
     proved="true"
     expanded="false"
     shape="apermut_subV6V9V2ainfix +V3c1AaexchangeV6V9V4V5Iainfix =V8asetV7V5agetV1V4Aainfix <=c0V0Lamk arrayV0V8FAainfix <V5V0Aainfix <=c0V5Iainfix =V7asetV1V4agetV1V5Aainfix <=c0V0FAainfix <V4V0Aainfix <=c0V4Aainfix <V5V0Aainfix <=c0V5Aainfix <V4V0Aainfix <=c0V4Iainfix <=V5V3Aainfix <=V2V5Aainfix <V3V0Aainfix <=V4V3Aainfix <=V2V4Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -52,7 +52,7 @@
     locfile="../algo63.mlw"
     loclnum="33" loccnumb="6" loccnume="16"
     expl="VC for partition_"
-    sum="5ac329e784ed6f1bfa20e37b56d6cef6"
+    sum="b63f09068142c981af68bdd6ce00815e"
     proved="true"
     expanded="false"
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>=agetV35V110V6Iainfix <=V110V3Aainfix <V75V110FAainfix <=V75V3Aainfix <=V2V75FAainfix >=agetV35V111V6Iainfix <=V111V3Aainfix <V33V111FAainfix <=V33V3Aainfix <=V2V33ainfix <ainfix -V3V112ainfix -V3V37Aainfix <=c0ainfix -V3V37Aainfix <=agetV35V113V6Iainfix <V113V112Aainfix <=V2V113FAainfix <=V112V3Aainfix <=V2V112Iainfix =V112ainfix +V37c1Fainfix <=agetV35V37V6Aainfix <V37V0Aainfix <=c0V37ainfix <V37V3Iainfix <=agetV35V114V6Iainfix <V114V37Aainfix <=V2V114FAainfix <=V37V3Aainfix <=V2V37FAainfix <=agetV35V115V6Iainfix <V115V34Aainfix <=V2V115FAainfix <=V34V3Aainfix <=V2V34Iainfix =agetV35V5V6Aainfix >=agetV35V116V6Iainfix <=V116V3Aainfix <V33V116FAainfix <=agetV35V117V6Iainfix <V117V34Aainfix <=V2V117FAapermut_subV4V36V2ainfix +V3c1Aainfix <=V34V3Aainfix <=V2V34Aainfix <=V33V3Aainfix <=V2V33Aainfix <=c0V0Lamk arrayV0V35FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Aainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -67,7 +67,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="1. index in array bounds"
-      sum="bd909ba7f1bfa95f27da40660390b087"
+      sum="0a8ae0faedcf568736c24e29f8128363"
       proved="true"
       expanded="false"
       shape="index in array boundsainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -87,7 +87,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="2. loop invariant init"
-      sum="bc1359658de9e5ecc223e639290aa10a"
+      sum="fb5c9541151a91eb201b4aac08205eae"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix <=V11V3Aainfix <=V2V11Iainfix =agetV12V5V6Aainfix >=agetV12V14V6Iainfix <=V14V3Aainfix <V10V14FAainfix <=agetV12V15V6Iainfix <V15V11Aainfix <=V2V15FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -107,7 +107,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="3. loop invariant init"
-      sum="b7eb765d4ce2c44fe972dfe5647f343a"
+      sum="5689a72da03a4b69d138aecdafbd61fa"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix <=agetV12V14V6Iainfix <V14V11Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V15V6Iainfix <=V15V3Aainfix <V10V15FAainfix <=agetV12V16V6Iainfix <V16V11Aainfix <=V2V16FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -127,7 +127,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="4. index in array bounds"
-      sum="a03345d9a93206374a442dcfcda8910f"
+      sum="c3c12ebe5c50c0ffe289aab91f7db3e5"
       proved="true"
       expanded="false"
       shape="index in array boundsainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V15V6Iainfix <V15V14Aainfix <=V2V15FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V10V16FAainfix <=agetV12V17V6Iainfix <V17V11Aainfix <=V2V17FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -147,7 +147,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="5. loop invariant preservation"
-      sum="91205edcdb4e0b7f8f30442630cdc462"
+      sum="3ebbe8301af0b1f6bc3fe7bb66d7b4b4"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix <=V15V3Aainfix <=V2V15Iainfix =V15ainfix +V14c1FIainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V16V6Iainfix <V16V14Aainfix <=V2V16FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V17V6Iainfix <=V17V3Aainfix <V10V17FAainfix <=agetV12V18V6Iainfix <V18V11Aainfix <=V2V18FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -167,7 +167,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="6. loop invariant preservation"
-      sum="f46fc278268830dac91a113a8cd43455"
+      sum="12ca036964e27b1ed1eae6765f85030e"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix <=agetV12V16V6Iainfix <V16V15Aainfix <=V2V16FIainfix =V15ainfix +V14c1FIainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -187,7 +187,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="7. loop variant decrease"
-      sum="2c70eb213799bda606a6fea0453eb0c0"
+      sum="01546bbb35e67e1f10902ade854f3fa1"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix <ainfix -V3V15ainfix -V3V14Aainfix <=c0ainfix -V3V14Iainfix =V15ainfix +V14c1FIainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V16V6Iainfix <V16V14Aainfix <=V2V16FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V17V6Iainfix <=V17V3Aainfix <V10V17FAainfix <=agetV12V18V6Iainfix <V18V11Aainfix <=V2V18FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -207,7 +207,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="8. loop invariant init"
-      sum="f6c4feca59f81b4384697119ec323d95"
+      sum="63fd8226fd2c0cd54d354c8393643133"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix <=V10V3Aainfix <=V2V10INainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V15V6Iainfix <V15V14Aainfix <=V2V15FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V10V16FAainfix <=agetV12V17V6Iainfix <V17V11Aainfix <=V2V17FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -227,7 +227,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="9. loop invariant init"
-      sum="af4f1e75dfc5e99ffed7b10b5062332c"
+      sum="e5bf35201f6eb184893e545c7b750c53"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix >=agetV12V15V6Iainfix <=V15V3Aainfix <V10V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V16V6Iainfix <V16V14Aainfix <=V2V16FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V17V6Iainfix <=V17V3Aainfix <V10V17FAainfix <=agetV12V18V6Iainfix <V18V11Aainfix <=V2V18FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -247,7 +247,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="10. index in array bounds"
-      sum="50877ff8bddb8356bdac29618562c69e"
+      sum="2b5c6ed740cbc7d11218a3c890d17e14"
       proved="true"
       expanded="false"
       shape="index in array boundsainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -267,7 +267,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="11. loop invariant preservation"
-      sum="e7fb40dbd006c564a16014155f660aea"
+      sum="d2dfc6495caea3cdef0ec8039e4208ee"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix <=V16V3Aainfix <=V2V16Iainfix =V16ainfix -V15c1FIainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V17V6Iainfix <=V17V3Aainfix <V15V17FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V18V6Iainfix <V18V14Aainfix <=V2V18FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V19V6Iainfix <=V19V3Aainfix <V10V19FAainfix <=agetV12V20V6Iainfix <V20V11Aainfix <=V2V20FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -287,7 +287,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="12. loop invariant preservation"
-      sum="65605f591e259050a4d89585ea2ad08a"
+      sum="44312bd34e428cc253ee68f1f9839bb6"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix >=agetV12V17V6Iainfix <=V17V3Aainfix <V16V17FIainfix =V16ainfix -V15c1FIainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V15V18FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V19V6Iainfix <V19V14Aainfix <=V2V19FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V20V6Iainfix <=V20V3Aainfix <V10V20FAainfix <=agetV12V21V6Iainfix <V21V11Aainfix <=V2V21FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -307,7 +307,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="13. loop variant decrease"
-      sum="436991698d98ecafae0e4168ddef7598"
+      sum="e9ec153ce6ea453b8f30a03c40596838"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix <V16V15Aainfix <=c0V15Iainfix =V16ainfix -V15c1FIainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V17V6Iainfix <=V17V3Aainfix <V15V17FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V18V6Iainfix <V18V14Aainfix <=V2V18FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V19V6Iainfix <=V19V3Aainfix <V10V19FAainfix <=agetV12V20V6Iainfix <V20V11Aainfix <=V2V20FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -327,7 +327,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="14. precondition"
-      sum="21b3c172c5d771be70584262ed2b2b47"
+      sum="8ae54aedd0b02f1301d7830bae0dc281"
       proved="true"
       expanded="false"
       shape="preconditionainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -347,7 +347,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="15. variant decrease"
-      sum="df21cef9524653a286b872cd8a4c78af"
+      sum="a072378305964b01bd5c881746ada524"
       proved="true"
       expanded="false"
       shape="variant decreaseainfix <ainfix -ainfix +c1V19V18ainfix -ainfix +c1V10V11Aainfix <=c0ainfix -ainfix +c1V10V11Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V20V6Iainfix <=V20V3Aainfix <V15V20FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V21V6Iainfix <V21V14Aainfix <=V2V21FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V22V6Iainfix <=V22V3Aainfix <V10V22FAainfix <=agetV12V23V6Iainfix <V23V11Aainfix <=V2V23FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -367,7 +367,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="16. precondition"
-      sum="3fdad9516a52d9d4f654a535222d0ae7"
+      sum="2aa8de8cf122636895fd61c131604437"
       proved="true"
       expanded="false"
       shape="preconditionainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V20V6Iainfix <=V20V3Aainfix <V15V20FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V21V6Iainfix <V21V14Aainfix <=V2V21FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V22V6Iainfix <=V22V3Aainfix <V10V22FAainfix <=agetV12V23V6Iainfix <V23V11Aainfix <=V2V23FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -387,7 +387,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="17. precondition"
-      sum="b3fd335705368599ada5c12939a2c2fb"
+      sum="37c8081540a56f01af78eadddf100fe2"
       proved="true"
       expanded="false"
       shape="preconditionapermut_subV4V17V2ainfix +V3c1Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V20V6Iainfix <=V20V3Aainfix <V15V20FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V21V6Iainfix <V21V14Aainfix <=V2V21FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V22V6Iainfix <=V22V3Aainfix <V10V22FAainfix <=agetV12V23V6Iainfix <V23V11Aainfix <=V2V23FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -407,7 +407,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="18. precondition"
-      sum="570cc2f58c5f2226a8b5b42cbf4df9c6"
+      sum="bb0835466388d95d9d0038bbca44537e"
       proved="true"
       expanded="false"
       shape="preconditionainfix <=agetV16V20V6Iainfix <V20V18Aainfix <=V2V20FIainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V21V6Iainfix <=V21V3Aainfix <V15V21FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V22V6Iainfix <V22V14Aainfix <=V2V22FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V23V6Iainfix <=V23V3Aainfix <V10V23FAainfix <=agetV12V24V6Iainfix <V24V11Aainfix <=V2V24FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -427,7 +427,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="19. precondition"
-      sum="b87bc8e76b01028803ce3c704df03168"
+      sum="fe7ce2861d6d0e6544718ddddca08f31"
       proved="true"
       expanded="false"
       shape="preconditionainfix >=agetV16V20V6Iainfix <=V20V3Aainfix <V19V20FIainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V21V6Iainfix <=V21V3Aainfix <V15V21FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V22V6Iainfix <V22V14Aainfix <=V2V22FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V23V6Iainfix <=V23V3Aainfix <V10V23FAainfix <=agetV12V24V6Iainfix <V24V11Aainfix <=V2V24FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -447,7 +447,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="20. precondition"
-      sum="ac6dddee0856c1d180541878057b7192"
+      sum="13216522f35a42ecfe473cdb620fbb1e"
       proved="true"
       expanded="false"
       shape="preconditionainfix =agetV16V5V6Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V20V6Iainfix <=V20V3Aainfix <V15V20FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V21V6Iainfix <V21V14Aainfix <=V2V21FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V22V6Iainfix <=V22V3Aainfix <V10V22FAainfix <=agetV12V23V6Iainfix <V23V11Aainfix <=V2V23FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -467,7 +467,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="21. postcondition"
-      sum="44f19940fca9656ba7f1ed8abe98c47c"
+      sum="0608dfb7471de7bc1fcf82125aa90cb5"
       proved="true"
       expanded="false"
       shape="postconditionainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Iainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FAainfix <=agetV22V25V6Iainfix <V25V21Aainfix <=V2V25FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V26V6Iainfix <=V26V3Aainfix <V19V26FAainfix <=agetV16V27V6Iainfix <V27V18Aainfix <=V2V27FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V28V6Iainfix <=V28V3Aainfix <V15V28FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V29V6Iainfix <V29V14Aainfix <=V2V29FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V30V6Iainfix <=V30V3Aainfix <V10V30FAainfix <=agetV12V31V6Iainfix <V31V11Aainfix <=V2V31FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -487,7 +487,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="22. postcondition"
-      sum="4c20c7416a9c2489d5e695e31190043c"
+      sum="b0537fc3c344a3946fa68fe56691ee7d"
       proved="true"
       expanded="false"
       shape="postconditionapermut_subV4V23V2ainfix +V3c1Iainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FAainfix <=agetV22V25V6Iainfix <V25V21Aainfix <=V2V25FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V26V6Iainfix <=V26V3Aainfix <V19V26FAainfix <=agetV16V27V6Iainfix <V27V18Aainfix <=V2V27FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V28V6Iainfix <=V28V3Aainfix <V15V28FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V29V6Iainfix <V29V14Aainfix <=V2V29FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V30V6Iainfix <=V30V3Aainfix <V10V30FAainfix <=agetV12V31V6Iainfix <V31V11Aainfix <=V2V31FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -507,7 +507,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="23. postcondition"
-      sum="27877f0e5b5b1177deb12d3142479d5f"
+      sum="26a4dbbb53a026158674ff335768e600"
       proved="true"
       expanded="false"
       shape="postconditionainfix >agetV22V21V6Oainfix =V21V3Iainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FAainfix <=agetV22V25V6Iainfix <V25V21Aainfix <=V2V25FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V26V6Iainfix <=V26V3Aainfix <V19V26FAainfix <=agetV16V27V6Iainfix <V27V18Aainfix <=V2V27FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V28V6Iainfix <=V28V3Aainfix <V15V28FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V29V6Iainfix <V29V14Aainfix <=V2V29FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V30V6Iainfix <=V30V3Aainfix <V10V30FAainfix <=agetV12V31V6Iainfix <V31V11Aainfix <=V2V31FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -527,7 +527,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="24. postcondition"
-      sum="796e007e7207d72e096e05f05c08da2f"
+      sum="54d1f8303712692856d86ca99a12b52b"
       proved="true"
       expanded="false"
       shape="postconditionainfix <agetV22V20V6Oainfix =V20V2Iainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FAainfix <=agetV22V25V6Iainfix <V25V21Aainfix <=V2V25FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V26V6Iainfix <=V26V3Aainfix <V19V26FAainfix <=agetV16V27V6Iainfix <V27V18Aainfix <=V2V27FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V28V6Iainfix <=V28V3Aainfix <V15V28FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V29V6Iainfix <V29V14Aainfix <=V2V29FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V30V6Iainfix <=V30V3Aainfix <V10V30FAainfix <=agetV12V31V6Iainfix <V31V11Aainfix <=V2V31FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -547,7 +547,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="25. postcondition"
-      sum="a7fd32b247a735fd101ca5e68d5b9598"
+      sum="bce0f00c2327880326ce43b188a62732"
       proved="true"
       expanded="false"
       shape="postconditionainfix =agetV22V5V6Iainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FAainfix <=agetV22V25V6Iainfix <V25V21Aainfix <=V2V25FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V26V6Iainfix <=V26V3Aainfix <V19V26FAainfix <=agetV16V27V6Iainfix <V27V18Aainfix <=V2V27FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V28V6Iainfix <=V28V3Aainfix <V15V28FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V29V6Iainfix <V29V14Aainfix <=V2V29FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V30V6Iainfix <=V30V3Aainfix <V10V30FAainfix <=agetV12V31V6Iainfix <V31V11Aainfix <=V2V31FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -567,7 +567,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="26. postcondition"
-      sum="f2144e1199ec978105f5e7a96c4b0f96"
+      sum="e39b162da8725e8f03df73e5bc7b41f1"
       proved="true"
       expanded="false"
       shape="postconditionainfix <=agetV22V24V6Iainfix <V24V21Aainfix <=V2V24FIainfix >=agetV22V25V6Iainfix <=V25V3Aainfix <V20V25FAainfix <=agetV22V26V6Iainfix <V26V21Aainfix <=V2V26FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V27V6Iainfix <=V27V3Aainfix <V19V27FAainfix <=agetV16V28V6Iainfix <V28V18Aainfix <=V2V28FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V29V6Iainfix <=V29V3Aainfix <V15V29FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V30V6Iainfix <V30V14Aainfix <=V2V30FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V31V6Iainfix <=V31V3Aainfix <V10V31FAainfix <=agetV12V32V6Iainfix <V32V11Aainfix <=V2V32FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -587,7 +587,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="27. postcondition"
-      sum="15240377934f89d24aafeaaf7fd794f9"
+      sum="93d0624c35b41b46b0be8b4eac0eec9e"
       proved="true"
       expanded="false"
       shape="postconditionainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FIainfix >=agetV22V25V6Iainfix <=V25V3Aainfix <V20V25FAainfix <=agetV22V26V6Iainfix <V26V21Aainfix <=V2V26FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V27V6Iainfix <=V27V3Aainfix <V19V27FAainfix <=agetV16V28V6Iainfix <V28V18Aainfix <=V2V28FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V29V6Iainfix <=V29V3Aainfix <V15V29FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V30V6Iainfix <V30V14Aainfix <=V2V30FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V31V6Iainfix <=V31V3Aainfix <V10V31FAainfix <=agetV12V32V6Iainfix <V32V11Aainfix <=V2V32FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -607,7 +607,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="28. postcondition"
-      sum="e90b930a501a02c8d79762554b9fe273"
+      sum="e337b00893fc67c4c416208594d81b8f"
       proved="true"
       expanded="false"
       shape="postconditionainfix <=V14V3Aainfix <=V15V14Aainfix <=V2V15INainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -627,7 +627,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="29. postcondition"
-      sum="993fe45dba2a71689292e06cca9e495d"
+      sum="846aa0a5dcb0701edf578c9dde944ecd"
       proved="true"
       expanded="false"
       shape="postconditionapermut_subV4V13V2ainfix +V3c1INainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -647,7 +647,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="30. postcondition"
-      sum="7b8fbb83e0ea92686f5585796fa5b884"
+      sum="617c4eca65158492ae2403090bf6162b"
       proved="true"
       expanded="false"
       shape="postconditionainfix >agetV12V14V6Oainfix =V14V3INainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -667,7 +667,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="31. postcondition"
-      sum="8e0fbed3c0080375f5a655fa0ba5ca43"
+      sum="33cc2377551a3cd25567e464d388a56e"
       proved="true"
       expanded="false"
       shape="postconditionainfix <agetV12V15V6Oainfix =V15V2INainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -687,7 +687,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="32. postcondition"
-      sum="2ec20d8018c89a98f5ddbf3dac91875a"
+      sum="bd57ae4256b5e832e4979c547c442ecb"
       proved="true"
       expanded="false"
       shape="postconditionainfix =agetV12V5V6INainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -707,7 +707,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="33. postcondition"
-      sum="fb3b87bf031a9e796fcd1353f3ad38b7"
+      sum="9f1310cc9b8a2977e8c4f19a70fb5b54"
       proved="true"
       expanded="false"
       shape="postconditionainfix <=agetV12V16V6Iainfix <V16V14Aainfix <=V2V16FINainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V17V6Iainfix <=V17V3Aainfix <V15V17FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V18V6Iainfix <V18V14Aainfix <=V2V18FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V19V6Iainfix <=V19V3Aainfix <V10V19FAainfix <=agetV12V20V6Iainfix <V20V11Aainfix <=V2V20FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -727,7 +727,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="34. postcondition"
-      sum="80a5626f883577d66a75ef097588f406"
+      sum="919b4e94c77b23191d391441c195944c"
       proved="true"
       expanded="false"
       shape="postconditionainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FINainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V17V6Iainfix <=V17V3Aainfix <V15V17FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V18V6Iainfix <V18V14Aainfix <=V2V18FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V19V6Iainfix <=V19V3Aainfix <V10V19FAainfix <=agetV12V20V6Iainfix <V20V11Aainfix <=V2V20FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -747,7 +747,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="35. precondition"
-      sum="3b6cce25b3fb6fa52acd07f593893dd6"
+      sum="3b3bc8be419d89069c7c8199e3f35de2"
       proved="true"
       expanded="false"
       shape="preconditionainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -767,7 +767,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="36. variant decrease"
-      sum="265007621e14d9c16cfb4a324e420d62"
+      sum="648758e3df57fac2d4722d86d546a15f"
       proved="true"
       expanded="false"
       shape="variant decreaseainfix <ainfix -ainfix +c1V19V18ainfix -ainfix +c1V10V11Aainfix <=c0ainfix -ainfix +c1V10V11Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V20V6Iainfix <=V20V3Aainfix <V15V20FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V21V6Iainfix <V21V14Aainfix <=V2V21FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V22V6Iainfix <=V22V3Aainfix <V10V22FAainfix <=agetV12V23V6Iainfix <V23V11Aainfix <=V2V23FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -787,7 +787,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="37. precondition"
-      sum="276b00d802c358f703c6c8dd969b8f6c"
+      sum="722dc3f22f5d3d4995bcb877af2c7864"
       proved="true"
       expanded="false"
       shape="preconditionainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V20V6Iainfix <=V20V3Aainfix <V15V20FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V21V6Iainfix <V21V14Aainfix <=V2V21FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V22V6Iainfix <=V22V3Aainfix <V10V22FAainfix <=agetV12V23V6Iainfix <V23V11Aainfix <=V2V23FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -807,7 +807,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="38. precondition"
-      sum="eac4f3792f7d9fcdbefba44dce44ec0e"
+      sum="149ca84a063863ec0cc05428aca35410"
       proved="true"
       expanded="false"
       shape="preconditionapermut_subV4V17V2ainfix +V3c1Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V20V6Iainfix <=V20V3Aainfix <V15V20FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V21V6Iainfix <V21V14Aainfix <=V2V21FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V22V6Iainfix <=V22V3Aainfix <V10V22FAainfix <=agetV12V23V6Iainfix <V23V11Aainfix <=V2V23FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -827,7 +827,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="39. precondition"
-      sum="2bc33c42464962677ba435188a7513fc"
+      sum="ec5cafd67f78047bb8bad669c81c4ad9"
       proved="true"
       expanded="false"
       shape="preconditionainfix <=agetV16V20V6Iainfix <V20V18Aainfix <=V2V20FIainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V21V6Iainfix <=V21V3Aainfix <V15V21FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V22V6Iainfix <V22V14Aainfix <=V2V22FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V23V6Iainfix <=V23V3Aainfix <V10V23FAainfix <=agetV12V24V6Iainfix <V24V11Aainfix <=V2V24FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -847,7 +847,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="40. precondition"
-      sum="aaabe7635845c8676ed098e7a53440e3"
+      sum="c3af99554cfcbd04b15b50c00dcaf370"
       proved="true"
       expanded="false"
       shape="preconditionainfix >=agetV16V20V6Iainfix <=V20V3Aainfix <V19V20FIainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V21V6Iainfix <=V21V3Aainfix <V15V21FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V22V6Iainfix <V22V14Aainfix <=V2V22FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V23V6Iainfix <=V23V3Aainfix <V10V23FAainfix <=agetV12V24V6Iainfix <V24V11Aainfix <=V2V24FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -867,7 +867,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="41. precondition"
-      sum="6bbb73aedeb9e10d2f883502d128f8f7"
+      sum="351e175866c0587f647bc15ba474f6b0"
       proved="true"
       expanded="false"
       shape="preconditionainfix =agetV16V5V6Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V20V6Iainfix <=V20V3Aainfix <V15V20FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V21V6Iainfix <V21V14Aainfix <=V2V21FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V22V6Iainfix <=V22V3Aainfix <V10V22FAainfix <=agetV12V23V6Iainfix <V23V11Aainfix <=V2V23FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -887,7 +887,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="42. postcondition"
-      sum="6f30218a98685709d225c537a61552a4"
+      sum="c0533f1e065ecf80f5c015e0fa01c646"
       proved="true"
       expanded="false"
       shape="postconditionainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Iainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FAainfix <=agetV22V25V6Iainfix <V25V21Aainfix <=V2V25FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V26V6Iainfix <=V26V3Aainfix <V19V26FAainfix <=agetV16V27V6Iainfix <V27V18Aainfix <=V2V27FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V28V6Iainfix <=V28V3Aainfix <V15V28FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V29V6Iainfix <V29V14Aainfix <=V2V29FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V30V6Iainfix <=V30V3Aainfix <V10V30FAainfix <=agetV12V31V6Iainfix <V31V11Aainfix <=V2V31FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -907,7 +907,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="43. postcondition"
-      sum="f68dbc20b0691a5b6d83218efa347abd"
+      sum="2cedae211cad3917eef79f53d7a3d3f2"
       proved="true"
       expanded="false"
       shape="postconditionapermut_subV4V23V2ainfix +V3c1Iainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FAainfix <=agetV22V25V6Iainfix <V25V21Aainfix <=V2V25FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V26V6Iainfix <=V26V3Aainfix <V19V26FAainfix <=agetV16V27V6Iainfix <V27V18Aainfix <=V2V27FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V28V6Iainfix <=V28V3Aainfix <V15V28FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V29V6Iainfix <V29V14Aainfix <=V2V29FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V30V6Iainfix <=V30V3Aainfix <V10V30FAainfix <=agetV12V31V6Iainfix <V31V11Aainfix <=V2V31FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -927,7 +927,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="44. postcondition"
-      sum="346a0e477efeef35587fb132525f76d8"
+      sum="8e77e2efeb833bcd94b1ad99d8b8aafa"
       proved="true"
       expanded="false"
       shape="postconditionainfix >agetV22V21V6Oainfix =V21V3Iainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FAainfix <=agetV22V25V6Iainfix <V25V21Aainfix <=V2V25FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V26V6Iainfix <=V26V3Aainfix <V19V26FAainfix <=agetV16V27V6Iainfix <V27V18Aainfix <=V2V27FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V28V6Iainfix <=V28V3Aainfix <V15V28FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V29V6Iainfix <V29V14Aainfix <=V2V29FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V30V6Iainfix <=V30V3Aainfix <V10V30FAainfix <=agetV12V31V6Iainfix <V31V11Aainfix <=V2V31FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -947,7 +947,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="45. postcondition"
-      sum="7eb81683db1b5b23aa8787332c8c9cc7"
+      sum="2a6c043287a3a13e5cf40b4349353c80"
       proved="true"
       expanded="false"
       shape="postconditionainfix <agetV22V20V6Oainfix =V20V2Iainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FAainfix <=agetV22V25V6Iainfix <V25V21Aainfix <=V2V25FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V26V6Iainfix <=V26V3Aainfix <V19V26FAainfix <=agetV16V27V6Iainfix <V27V18Aainfix <=V2V27FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V28V6Iainfix <=V28V3Aainfix <V15V28FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V29V6Iainfix <V29V14Aainfix <=V2V29FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V30V6Iainfix <=V30V3Aainfix <V10V30FAainfix <=agetV12V31V6Iainfix <V31V11Aainfix <=V2V31FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -967,7 +967,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="46. postcondition"
-      sum="75a99c42af99130dd5a2d6f35c6e2aa5"
+      sum="5fb225e8fac26cb5140ec4119c1b69ef"
       proved="true"
       expanded="false"
       shape="postconditionainfix =agetV22V5V6Iainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FAainfix <=agetV22V25V6Iainfix <V25V21Aainfix <=V2V25FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V26V6Iainfix <=V26V3Aainfix <V19V26FAainfix <=agetV16V27V6Iainfix <V27V18Aainfix <=V2V27FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V28V6Iainfix <=V28V3Aainfix <V15V28FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V29V6Iainfix <V29V14Aainfix <=V2V29FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V30V6Iainfix <=V30V3Aainfix <V10V30FAainfix <=agetV12V31V6Iainfix <V31V11Aainfix <=V2V31FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -987,7 +987,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="47. postcondition"
-      sum="6bac77af894e2ea708fa3ee3fa21c44b"
+      sum="46d88bcce88fffcc456487b468fe0d24"
       proved="true"
       expanded="false"
       shape="postconditionainfix <=agetV22V24V6Iainfix <V24V21Aainfix <=V2V24FIainfix >=agetV22V25V6Iainfix <=V25V3Aainfix <V20V25FAainfix <=agetV22V26V6Iainfix <V26V21Aainfix <=V2V26FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V27V6Iainfix <=V27V3Aainfix <V19V27FAainfix <=agetV16V28V6Iainfix <V28V18Aainfix <=V2V28FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V29V6Iainfix <=V29V3Aainfix <V15V29FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V30V6Iainfix <V30V14Aainfix <=V2V30FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V31V6Iainfix <=V31V3Aainfix <V10V31FAainfix <=agetV12V32V6Iainfix <V32V11Aainfix <=V2V32FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1007,7 +1007,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="48. postcondition"
-      sum="de7c6319c530ee5c730feaa87e961a08"
+      sum="92e21711f9962bcc7f2c87f059779a28"
       proved="true"
       expanded="false"
       shape="postconditionainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FIainfix >=agetV22V25V6Iainfix <=V25V3Aainfix <V20V25FAainfix <=agetV22V26V6Iainfix <V26V21Aainfix <=V2V26FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V27V6Iainfix <=V27V3Aainfix <V19V27FAainfix <=agetV16V28V6Iainfix <V28V18Aainfix <=V2V28FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V29V6Iainfix <=V29V3Aainfix <V15V29FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V30V6Iainfix <V30V14Aainfix <=V2V30FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V31V6Iainfix <=V31V3Aainfix <V10V31FAainfix <=agetV12V32V6Iainfix <V32V11Aainfix <=V2V32FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1027,7 +1027,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="49. postcondition"
-      sum="77b5d1e84e55186de3a968f77ecaa396"
+      sum="8292887bd90880808a2c9a58ac8f4270"
       proved="true"
       expanded="false"
       shape="postconditionainfix <=V14V3Aainfix <=V15V14Aainfix <=V2V15INainfix <V14V15INainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1047,7 +1047,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="50. postcondition"
-      sum="5759e551f9623d4c9933444ce451fc45"
+      sum="1ffafcad3caa5c8f906938d71fed06f1"
       proved="true"
       expanded="false"
       shape="postconditionapermut_subV4V13V2ainfix +V3c1INainfix <V14V15INainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1067,7 +1067,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="51. postcondition"
-      sum="cd7920b5c45f5390f79b98963c15b6af"
+      sum="1ba9289cf572bd965e3e0eeb630033c4"
       proved="true"
       expanded="false"
       shape="postconditionainfix >agetV12V14V6Oainfix =V14V3INainfix <V14V15INainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1087,7 +1087,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="52. postcondition"
-      sum="d2e84a520d84bd6178c656aefd9b3ee8"
+      sum="3c6d81e374f9fbb7449b085fbc1ae1d8"
       proved="true"
       expanded="false"
       shape="postconditionainfix <agetV12V15V6Oainfix =V15V2INainfix <V14V15INainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1107,7 +1107,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="53. postcondition"
-      sum="0db1f665a7d599ab23f78aea18b90e43"
+      sum="7455737c25c0a2ce93012ba9a2d306d9"
       proved="true"
       expanded="false"
       shape="postconditionainfix =agetV12V5V6INainfix <V14V15INainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1127,7 +1127,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="54. postcondition"
-      sum="f503c988532f0680e44d41a24ca50654"
+      sum="91e71deb70a43ffb5af1f7c3bffb7de2"
       proved="true"
       expanded="false"
       shape="postconditionainfix <=agetV12V16V6Iainfix <V16V14Aainfix <=V2V16FINainfix <V14V15INainfix <V2V15Iainfix >=agetV12V17V6Iainfix <=V17V3Aainfix <V15V17FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V18V6Iainfix <V18V14Aainfix <=V2V18FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V19V6Iainfix <=V19V3Aainfix <V10V19FAainfix <=agetV12V20V6Iainfix <V20V11Aainfix <=V2V20FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1147,7 +1147,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="55. postcondition"
-      sum="3cc5379e939f09aa4465094c4b35c6ca"
+      sum="68323fb49573e6af57bd2a2407b5de54"
       proved="true"
       expanded="false"
       shape="postconditionainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FINainfix <V14V15INainfix <V2V15Iainfix >=agetV12V17V6Iainfix <=V17V3Aainfix <V15V17FAainfix <=V15V3Aainfix <=V2V15FINainfix <=agetV12V14V6Iainfix <V14V0Aainfix <=c0V14Iainfix <V14V3Iainfix <=agetV12V18V6Iainfix <V18V14Aainfix <=V2V18FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V19V6Iainfix <=V19V3Aainfix <V10V19FAainfix <=agetV12V20V6Iainfix <V20V11Aainfix <=V2V20FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1167,7 +1167,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="56. loop invariant init"
-      sum="ab070c7992f369eeba1bc6f9539f6814"
+      sum="059ccd7dd3d8bf36a45727f0e9a643b8"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix <=V10V3Aainfix <=V2V10INainfix <V14V3Iainfix <=agetV12V15V6Iainfix <V15V14Aainfix <=V2V15FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V10V16FAainfix <=agetV12V17V6Iainfix <V17V11Aainfix <=V2V17FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1187,7 +1187,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="57. loop invariant init"
-      sum="05dcdaecd883800f5a4e577992861191"
+      sum="67ee4f2ff5a17210b23784acc2a4524b"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix >=agetV12V15V6Iainfix <=V15V3Aainfix <V10V15FINainfix <V14V3Iainfix <=agetV12V16V6Iainfix <V16V14Aainfix <=V2V16FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V17V6Iainfix <=V17V3Aainfix <V10V17FAainfix <=agetV12V18V6Iainfix <V18V11Aainfix <=V2V18FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1207,7 +1207,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="58. index in array bounds"
-      sum="cbbedb1ae2e4523f052aea6f92783874"
+      sum="1c8e6daf16a84f7cf48cd8b1b060bf23"
       proved="true"
       expanded="false"
       shape="index in array boundsainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1227,7 +1227,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="59. loop invariant preservation"
-      sum="28e2b5beaa7896d70f407469f1f4cd36"
+      sum="4ff993c7cc4f72fd6873ccc32a901977"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix <=V16V3Aainfix <=V2V16Iainfix =V16ainfix -V15c1FIainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V17V6Iainfix <=V17V3Aainfix <V15V17FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V18V6Iainfix <V18V14Aainfix <=V2V18FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V19V6Iainfix <=V19V3Aainfix <V10V19FAainfix <=agetV12V20V6Iainfix <V20V11Aainfix <=V2V20FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1247,7 +1247,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="60. loop invariant preservation"
-      sum="0dc593948e089dfd7da52b6e08aa1b99"
+      sum="83dac338bc0ffde46dc45ba145031a69"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix >=agetV12V17V6Iainfix <=V17V3Aainfix <V16V17FIainfix =V16ainfix -V15c1FIainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V15V18FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V19V6Iainfix <V19V14Aainfix <=V2V19FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V20V6Iainfix <=V20V3Aainfix <V10V20FAainfix <=agetV12V21V6Iainfix <V21V11Aainfix <=V2V21FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1267,7 +1267,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="61. loop variant decrease"
-      sum="ece4f049e8888854a5339cdcaa60ff9a"
+      sum="4dfeb899935c681e01ba17f9d5e13cca"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix <V16V15Aainfix <=c0V15Iainfix =V16ainfix -V15c1FIainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V17V6Iainfix <=V17V3Aainfix <V15V17FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V18V6Iainfix <V18V14Aainfix <=V2V18FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V19V6Iainfix <=V19V3Aainfix <V10V19FAainfix <=agetV12V20V6Iainfix <V20V11Aainfix <=V2V20FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1287,7 +1287,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="62. precondition"
-      sum="685c1524a8699aa8d7ef637f2bf8a213"
+      sum="b77b29dbac28968000257b125602c4ed"
       proved="true"
       expanded="false"
       shape="preconditionainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1307,7 +1307,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="63. variant decrease"
-      sum="88fb56eee6a341db7e37889cbdf24c21"
+      sum="8b227dbba5b98d3bb78499be89c9384e"
       proved="true"
       expanded="false"
       shape="variant decreaseainfix <ainfix -ainfix +c1V19V18ainfix -ainfix +c1V10V11Aainfix <=c0ainfix -ainfix +c1V10V11Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V20V6Iainfix <=V20V3Aainfix <V15V20FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V21V6Iainfix <V21V14Aainfix <=V2V21FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V22V6Iainfix <=V22V3Aainfix <V10V22FAainfix <=agetV12V23V6Iainfix <V23V11Aainfix <=V2V23FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1327,7 +1327,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="64. precondition"
-      sum="3e15c2f2788d73b650f8c4fb92e2c862"
+      sum="d9f2ba418d840834f9441442c125030b"
       proved="true"
       expanded="false"
       shape="preconditionainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V20V6Iainfix <=V20V3Aainfix <V15V20FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V21V6Iainfix <V21V14Aainfix <=V2V21FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V22V6Iainfix <=V22V3Aainfix <V10V22FAainfix <=agetV12V23V6Iainfix <V23V11Aainfix <=V2V23FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1347,7 +1347,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="65. precondition"
-      sum="c36e4817afa70f2116a1cccd57ced9ef"
+      sum="21541274e22c6383e25d596ca05310ac"
       proved="true"
       expanded="false"
       shape="preconditionapermut_subV4V17V2ainfix +V3c1Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V20V6Iainfix <=V20V3Aainfix <V15V20FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V21V6Iainfix <V21V14Aainfix <=V2V21FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V22V6Iainfix <=V22V3Aainfix <V10V22FAainfix <=agetV12V23V6Iainfix <V23V11Aainfix <=V2V23FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1367,7 +1367,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="66. precondition"
-      sum="14cb6291afc39ea3ccfd5307cea0f969"
+      sum="c784eef2aa5e490c97a77bfa31e1c1f9"
       proved="true"
       expanded="false"
       shape="preconditionainfix <=agetV16V20V6Iainfix <V20V18Aainfix <=V2V20FIainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V21V6Iainfix <=V21V3Aainfix <V15V21FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V22V6Iainfix <V22V14Aainfix <=V2V22FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V23V6Iainfix <=V23V3Aainfix <V10V23FAainfix <=agetV12V24V6Iainfix <V24V11Aainfix <=V2V24FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1387,7 +1387,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="67. precondition"
-      sum="538460f56ac9fb68c8cb971a44c904d3"
+      sum="3bd48b1f87413ec5443b98d5b9b3dd10"
       proved="true"
       expanded="false"
       shape="preconditionainfix >=agetV16V20V6Iainfix <=V20V3Aainfix <V19V20FIainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V21V6Iainfix <=V21V3Aainfix <V15V21FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V22V6Iainfix <V22V14Aainfix <=V2V22FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V23V6Iainfix <=V23V3Aainfix <V10V23FAainfix <=agetV12V24V6Iainfix <V24V11Aainfix <=V2V24FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1407,7 +1407,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="68. precondition"
-      sum="ae4ceb10f75129e36eace8b2f7a57b0b"
+      sum="460df1e7660a8d63eb335acf493981c7"
       proved="true"
       expanded="false"
       shape="preconditionainfix =agetV16V5V6Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V20V6Iainfix <=V20V3Aainfix <V15V20FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V21V6Iainfix <V21V14Aainfix <=V2V21FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V22V6Iainfix <=V22V3Aainfix <V10V22FAainfix <=agetV12V23V6Iainfix <V23V11Aainfix <=V2V23FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1427,7 +1427,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="69. postcondition"
-      sum="791f118b2f5665442fc95e697e7eccfe"
+      sum="378a9affa1bdfdb95ff68e652bb40bd5"
       proved="true"
       expanded="false"
       shape="postconditionainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Iainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FAainfix <=agetV22V25V6Iainfix <V25V21Aainfix <=V2V25FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V26V6Iainfix <=V26V3Aainfix <V19V26FAainfix <=agetV16V27V6Iainfix <V27V18Aainfix <=V2V27FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V28V6Iainfix <=V28V3Aainfix <V15V28FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V29V6Iainfix <V29V14Aainfix <=V2V29FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V30V6Iainfix <=V30V3Aainfix <V10V30FAainfix <=agetV12V31V6Iainfix <V31V11Aainfix <=V2V31FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1447,7 +1447,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="70. postcondition"
-      sum="75ee6fca77d5c9573c16a9d1c8bbc503"
+      sum="7728aa2be78965afe0974f76c0bb8b2c"
       proved="true"
       expanded="false"
       shape="postconditionapermut_subV4V23V2ainfix +V3c1Iainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FAainfix <=agetV22V25V6Iainfix <V25V21Aainfix <=V2V25FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V26V6Iainfix <=V26V3Aainfix <V19V26FAainfix <=agetV16V27V6Iainfix <V27V18Aainfix <=V2V27FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V28V6Iainfix <=V28V3Aainfix <V15V28FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V29V6Iainfix <V29V14Aainfix <=V2V29FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V30V6Iainfix <=V30V3Aainfix <V10V30FAainfix <=agetV12V31V6Iainfix <V31V11Aainfix <=V2V31FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1467,7 +1467,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="71. postcondition"
-      sum="ba97cf81d020cc41b52bcaa69bec389f"
+      sum="35fc38bed21af02442fd2358dc5d0f9a"
       proved="true"
       expanded="false"
       shape="postconditionainfix >agetV22V21V6Oainfix =V21V3Iainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FAainfix <=agetV22V25V6Iainfix <V25V21Aainfix <=V2V25FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V26V6Iainfix <=V26V3Aainfix <V19V26FAainfix <=agetV16V27V6Iainfix <V27V18Aainfix <=V2V27FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V28V6Iainfix <=V28V3Aainfix <V15V28FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V29V6Iainfix <V29V14Aainfix <=V2V29FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V30V6Iainfix <=V30V3Aainfix <V10V30FAainfix <=agetV12V31V6Iainfix <V31V11Aainfix <=V2V31FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1487,7 +1487,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="72. postcondition"
-      sum="fa223a1b55104b2ffb0e47dfc759ea68"
+      sum="752406758d4ed61827165f1702404bc9"
       proved="true"
       expanded="false"
       shape="postconditionainfix <agetV22V20V6Oainfix =V20V2Iainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FAainfix <=agetV22V25V6Iainfix <V25V21Aainfix <=V2V25FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V26V6Iainfix <=V26V3Aainfix <V19V26FAainfix <=agetV16V27V6Iainfix <V27V18Aainfix <=V2V27FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V28V6Iainfix <=V28V3Aainfix <V15V28FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V29V6Iainfix <V29V14Aainfix <=V2V29FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V30V6Iainfix <=V30V3Aainfix <V10V30FAainfix <=agetV12V31V6Iainfix <V31V11Aainfix <=V2V31FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1507,7 +1507,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="73. postcondition"
-      sum="4f1e633a7c24e120fc5c5a9b1795794a"
+      sum="5959d35d593f853e8375951e15d750b4"
       proved="true"
       expanded="false"
       shape="postconditionainfix =agetV22V5V6Iainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FAainfix <=agetV22V25V6Iainfix <V25V21Aainfix <=V2V25FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V26V6Iainfix <=V26V3Aainfix <V19V26FAainfix <=agetV16V27V6Iainfix <V27V18Aainfix <=V2V27FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V28V6Iainfix <=V28V3Aainfix <V15V28FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V29V6Iainfix <V29V14Aainfix <=V2V29FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V30V6Iainfix <=V30V3Aainfix <V10V30FAainfix <=agetV12V31V6Iainfix <V31V11Aainfix <=V2V31FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1527,7 +1527,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="74. postcondition"
-      sum="2e1ac3cf9aeb4ec2a27b39dec5c110c4"
+      sum="d3784aeee8cec0ba100c4690739dcecb"
       proved="true"
       expanded="false"
       shape="postconditionainfix <=agetV22V24V6Iainfix <V24V21Aainfix <=V2V24FIainfix >=agetV22V25V6Iainfix <=V25V3Aainfix <V20V25FAainfix <=agetV22V26V6Iainfix <V26V21Aainfix <=V2V26FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V27V6Iainfix <=V27V3Aainfix <V19V27FAainfix <=agetV16V28V6Iainfix <V28V18Aainfix <=V2V28FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V29V6Iainfix <=V29V3Aainfix <V15V29FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V30V6Iainfix <V30V14Aainfix <=V2V30FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V31V6Iainfix <=V31V3Aainfix <V10V31FAainfix <=agetV12V32V6Iainfix <V32V11Aainfix <=V2V32FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1547,7 +1547,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="75. postcondition"
-      sum="3e57ee51874f98dd42d6f6692df60afe"
+      sum="ee5c37ac5d693e14e4492a797199834a"
       proved="true"
       expanded="false"
       shape="postconditionainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FIainfix >=agetV22V25V6Iainfix <=V25V3Aainfix <V20V25FAainfix <=agetV22V26V6Iainfix <V26V21Aainfix <=V2V26FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V27V6Iainfix <=V27V3Aainfix <V19V27FAainfix <=agetV16V28V6Iainfix <V28V18Aainfix <=V2V28FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V29V6Iainfix <=V29V3Aainfix <V15V29FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V30V6Iainfix <V30V14Aainfix <=V2V30FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V31V6Iainfix <=V31V3Aainfix <V10V31FAainfix <=agetV12V32V6Iainfix <V32V11Aainfix <=V2V32FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1567,7 +1567,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="76. postcondition"
-      sum="8e3c1986fc73db79ef3c6e8a6d31cbde"
+      sum="55b241bd669f33abb17618da794a9e6e"
       proved="true"
       expanded="false"
       shape="postconditionainfix <=V14V3Aainfix <=V15V14Aainfix <=V2V15INainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1587,7 +1587,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="77. postcondition"
-      sum="57b4116dd647c0e497fe90c80f8cd1d0"
+      sum="c8162939cf766605edb96591b25f445e"
       proved="true"
       expanded="false"
       shape="postconditionapermut_subV4V13V2ainfix +V3c1INainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1607,7 +1607,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="78. postcondition"
-      sum="9b146794906a76fbb56fd58256d9a9e4"
+      sum="0ff73ec1b78cb8d5c123107629804e21"
       proved="true"
       expanded="false"
       shape="postconditionainfix >agetV12V14V6Oainfix =V14V3INainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1627,7 +1627,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="79. postcondition"
-      sum="f7757b9aa88c417a2028179ee946ec3b"
+      sum="d1cd6b5c87e8287ba3e2d926cf6ed07c"
       proved="true"
       expanded="false"
       shape="postconditionainfix <agetV12V15V6Oainfix =V15V2INainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1647,7 +1647,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="80. postcondition"
-      sum="ea552919c03f8862c3e41e39c24084f5"
+      sum="1c701c0f854053b6779fca60238320a1"
       proved="true"
       expanded="false"
       shape="postconditionainfix =agetV12V5V6INainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1667,7 +1667,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="81. postcondition"
-      sum="2c7c304cd1a3ac7f0ea3599bc3a86a87"
+      sum="34047457a7cad522cf6050a0240ee7d4"
       proved="true"
       expanded="false"
       shape="postconditionainfix <=agetV12V16V6Iainfix <V16V14Aainfix <=V2V16FINainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V17V6Iainfix <=V17V3Aainfix <V15V17FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V18V6Iainfix <V18V14Aainfix <=V2V18FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V19V6Iainfix <=V19V3Aainfix <V10V19FAainfix <=agetV12V20V6Iainfix <V20V11Aainfix <=V2V20FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1687,7 +1687,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="82. postcondition"
-      sum="61705b101bc84431f231d8c2fa102d3c"
+      sum="34ee1613028e939a4412ac5026d55bcc"
       proved="true"
       expanded="false"
       shape="postconditionainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FINainfix <V14V15INainfix >=agetV12V15V6Iainfix <V15V0Aainfix <=c0V15Iainfix <V2V15Iainfix >=agetV12V17V6Iainfix <=V17V3Aainfix <V15V17FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V18V6Iainfix <V18V14Aainfix <=V2V18FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V19V6Iainfix <=V19V3Aainfix <V10V19FAainfix <=agetV12V20V6Iainfix <V20V11Aainfix <=V2V20FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1707,7 +1707,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="83. precondition"
-      sum="c4a1ac3f0ddca72ea3cd0dc109df9be8"
+      sum="32841425660cb0ac5c157e700f33cc83"
       proved="true"
       expanded="false"
       shape="preconditionainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1727,7 +1727,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="84. variant decrease"
-      sum="cfd9428c87233f1c22933f50ed91f9bb"
+      sum="349ce8365b10e5b9471de1a2023a33e7"
       proved="true"
       expanded="false"
       shape="variant decreaseainfix <ainfix -ainfix +c1V19V18ainfix -ainfix +c1V10V11Aainfix <=c0ainfix -ainfix +c1V10V11Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V20V6Iainfix <=V20V3Aainfix <V15V20FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V21V6Iainfix <V21V14Aainfix <=V2V21FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V22V6Iainfix <=V22V3Aainfix <V10V22FAainfix <=agetV12V23V6Iainfix <V23V11Aainfix <=V2V23FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1747,7 +1747,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="85. precondition"
-      sum="9af6c87efaf6f2059ac40c148b7e8052"
+      sum="1b160f281f1607b6614aebd8864fabc9"
       proved="true"
       expanded="false"
       shape="preconditionainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V20V6Iainfix <=V20V3Aainfix <V15V20FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V21V6Iainfix <V21V14Aainfix <=V2V21FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V22V6Iainfix <=V22V3Aainfix <V10V22FAainfix <=agetV12V23V6Iainfix <V23V11Aainfix <=V2V23FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1767,7 +1767,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="86. precondition"
-      sum="4905f399070124033e5154085c01accd"
+      sum="544960f856edc2921b05bd7d9ce7176d"
       proved="true"
       expanded="false"
       shape="preconditionapermut_subV4V17V2ainfix +V3c1Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V20V6Iainfix <=V20V3Aainfix <V15V20FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V21V6Iainfix <V21V14Aainfix <=V2V21FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V22V6Iainfix <=V22V3Aainfix <V10V22FAainfix <=agetV12V23V6Iainfix <V23V11Aainfix <=V2V23FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1787,7 +1787,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="87. precondition"
-      sum="fb94bc3aeaf50ae16178a357d0d9706d"
+      sum="35d1f50f0a1c6735ee93dfba1e830840"
       proved="true"
       expanded="false"
       shape="preconditionainfix <=agetV16V20V6Iainfix <V20V18Aainfix <=V2V20FIainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V21V6Iainfix <=V21V3Aainfix <V15V21FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V22V6Iainfix <V22V14Aainfix <=V2V22FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V23V6Iainfix <=V23V3Aainfix <V10V23FAainfix <=agetV12V24V6Iainfix <V24V11Aainfix <=V2V24FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1802,7 +1802,7 @@
         locfile="../algo63.mlw"
         loclnum="33" loccnumb="6" loccnume="16"
         expl="1. precondition"
-        sum="4bb7bb2cb1b22881a6fadac97ec80858"
+        sum="05956022b4915f48b60b5b99cda5b0ff"
         proved="true"
         expanded="false"
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@@ -1817,7 +1817,7 @@
           locfile="../algo63.mlw"
           loclnum="33" loccnumb="6" loccnume="16"
           expl="1. precondition"
-          sum="51daca9c729f28daafd7ce65d10c55fa"
+          sum="bf550990a45499cbccf06733c1ff3749"
           proved="true"
           expanded="false"
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@@ -1832,7 +1832,7 @@
             locfile="../algo63.mlw"
             loclnum="33" loccnumb="6" loccnume="16"
             expl="1. precondition"
-            sum="9d78a48c32c1a7f8ca90f4fcec78e5ba"
+            sum="41e1d8a452fb05fadbfebfe6177fa3f7"
             proved="true"
             expanded="false"
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@@ -1858,7 +1858,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="88. precondition"
-      sum="63538de41de29d6cc77f382112a19e46"
+      sum="c663f2fd255be6fb89b478c4c72f7d1a"
       proved="true"
       expanded="false"
       shape="preconditionainfix >=agetV16V20V6Iainfix <=V20V3Aainfix <V19V20FIainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V21V6Iainfix <=V21V3Aainfix <V15V21FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V22V6Iainfix <V22V14Aainfix <=V2V22FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V23V6Iainfix <=V23V3Aainfix <V10V23FAainfix <=agetV12V24V6Iainfix <V24V11Aainfix <=V2V24FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1878,7 +1878,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="89. precondition"
-      sum="d38c5c677b1cebf406cd7cc4e273010b"
+      sum="c970ed4ed4705502e7a46644daeefe18"
       proved="true"
       expanded="false"
       shape="preconditionainfix =agetV16V5V6Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V20V6Iainfix <=V20V3Aainfix <V15V20FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V21V6Iainfix <V21V14Aainfix <=V2V21FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V22V6Iainfix <=V22V3Aainfix <V10V22FAainfix <=agetV12V23V6Iainfix <V23V11Aainfix <=V2V23FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1898,7 +1898,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="90. postcondition"
-      sum="a18c5efed11c31c51950241ccdbaa97b"
+      sum="d4ad3d346f895628391874c42f99193a"
       proved="true"
       expanded="false"
       shape="postconditionainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Iainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FAainfix <=agetV22V25V6Iainfix <V25V21Aainfix <=V2V25FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V26V6Iainfix <=V26V3Aainfix <V19V26FAainfix <=agetV16V27V6Iainfix <V27V18Aainfix <=V2V27FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V28V6Iainfix <=V28V3Aainfix <V15V28FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V29V6Iainfix <V29V14Aainfix <=V2V29FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V30V6Iainfix <=V30V3Aainfix <V10V30FAainfix <=agetV12V31V6Iainfix <V31V11Aainfix <=V2V31FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1918,7 +1918,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="91. postcondition"
-      sum="114e0b6889324f89bb9ef0ae4c970dba"
+      sum="1cf30445a9b31242e688f03d584c48cd"
       proved="true"
       expanded="false"
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@@ -1938,7 +1938,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="92. postcondition"
-      sum="7f8f2bdaa259aac91763259d52e3efa1"
+      sum="7f1681ae766868fd8dda4645ee4bea56"
       proved="true"
       expanded="false"
       shape="postconditionainfix >agetV22V21V6Oainfix =V21V3Iainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FAainfix <=agetV22V25V6Iainfix <V25V21Aainfix <=V2V25FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V26V6Iainfix <=V26V3Aainfix <V19V26FAainfix <=agetV16V27V6Iainfix <V27V18Aainfix <=V2V27FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V28V6Iainfix <=V28V3Aainfix <V15V28FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V29V6Iainfix <V29V14Aainfix <=V2V29FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V30V6Iainfix <=V30V3Aainfix <V10V30FAainfix <=agetV12V31V6Iainfix <V31V11Aainfix <=V2V31FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1958,7 +1958,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="93. postcondition"
-      sum="81093fd16e6b8ec2865cc889f78fc3f6"
+      sum="fe14bed2070037e9503a962d0d4f8668"
       proved="true"
       expanded="false"
       shape="postconditionainfix <agetV22V20V6Oainfix =V20V2Iainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FAainfix <=agetV22V25V6Iainfix <V25V21Aainfix <=V2V25FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V26V6Iainfix <=V26V3Aainfix <V19V26FAainfix <=agetV16V27V6Iainfix <V27V18Aainfix <=V2V27FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V28V6Iainfix <=V28V3Aainfix <V15V28FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V29V6Iainfix <V29V14Aainfix <=V2V29FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V30V6Iainfix <=V30V3Aainfix <V10V30FAainfix <=agetV12V31V6Iainfix <V31V11Aainfix <=V2V31FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1978,7 +1978,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="94. postcondition"
-      sum="19e08ab07e02e657fe156412c9510e53"
+      sum="812127bc62ae37070682caffbf88e9a1"
       proved="true"
       expanded="false"
       shape="postconditionainfix =agetV22V5V6Iainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FAainfix <=agetV22V25V6Iainfix <V25V21Aainfix <=V2V25FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V26V6Iainfix <=V26V3Aainfix <V19V26FAainfix <=agetV16V27V6Iainfix <V27V18Aainfix <=V2V27FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V28V6Iainfix <=V28V3Aainfix <V15V28FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V29V6Iainfix <V29V14Aainfix <=V2V29FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V30V6Iainfix <=V30V3Aainfix <V10V30FAainfix <=agetV12V31V6Iainfix <V31V11Aainfix <=V2V31FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -1998,7 +1998,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="95. postcondition"
-      sum="60177dd94448f24e737a8eae60063d9c"
+      sum="9d9ac086a25e4d1b66c0985976afa9c1"
       proved="true"
       expanded="false"
       shape="postconditionainfix <=agetV22V24V6Iainfix <V24V21Aainfix <=V2V24FIainfix >=agetV22V25V6Iainfix <=V25V3Aainfix <V20V25FAainfix <=agetV22V26V6Iainfix <V26V21Aainfix <=V2V26FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V27V6Iainfix <=V27V3Aainfix <V19V27FAainfix <=agetV16V28V6Iainfix <V28V18Aainfix <=V2V28FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V29V6Iainfix <=V29V3Aainfix <V15V29FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V30V6Iainfix <V30V14Aainfix <=V2V30FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V31V6Iainfix <=V31V3Aainfix <V10V31FAainfix <=agetV12V32V6Iainfix <V32V11Aainfix <=V2V32FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2018,7 +2018,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="96. postcondition"
-      sum="fb287a587afff1605359597a2f79431b"
+      sum="6058ff3f53f217a85000c041e5a28825"
       proved="true"
       expanded="false"
       shape="postconditionainfix >=agetV22V24V6Iainfix <=V24V3Aainfix <V20V24FIainfix >=agetV22V25V6Iainfix <=V25V3Aainfix <V20V25FAainfix <=agetV22V26V6Iainfix <V26V21Aainfix <=V2V26FAainfix =agetV22V5V6Aainfix <agetV22V20V6Oainfix =V20V2Aainfix >agetV22V21V6Oainfix =V21V3Aapermut_subV4V23V2ainfix +V3c1Aainfix <=V21V3Aainfix <=V20V21Aainfix <=V2V20Aainfix <=c0V0Lamk arrayV0V22FIainfix =agetV16V5V6Aainfix >=agetV16V27V6Iainfix <=V27V3Aainfix <V19V27FAainfix <=agetV16V28V6Iainfix <V28V18Aainfix <=V2V28FAapermut_subV4V17V2ainfix +V3c1Aainfix <=V18V3Aainfix <=V2V18Aainfix <=V19V3Aainfix <=V2V19Iainfix =V19ainfix -V15c1FIainfix =V18ainfix +V14c1FIapermut_subV13V17V2ainfix +V3c1AaexchangeV13V17V14V15Aainfix <=c0V0Lamk arrayV0V16FIainfix <=V15V3Aainfix <=V2V15Aainfix <V3V0Aainfix <=V14V3Aainfix <=V2V14Aainfix <=c0V2Iainfix <V14V15INainfix <V2V15Iainfix >=agetV12V29V6Iainfix <=V29V3Aainfix <V15V29FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V30V6Iainfix <V30V14Aainfix <=V2V30FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V31V6Iainfix <=V31V3Aainfix <V10V31FAainfix <=agetV12V32V6Iainfix <V32V11Aainfix <=V2V32FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2038,7 +2038,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="97. postcondition"
-      sum="cf1dcf026cb7b3ff5987ac74e0ea1995"
+      sum="96381f330af23a20947e6a923874e6f0"
       proved="true"
       expanded="false"
       shape="postconditionainfix <=V14V3Aainfix <=V15V14Aainfix <=V2V15INainfix <V14V15INainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2058,7 +2058,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="98. postcondition"
-      sum="725098ae237063e4805f78be0d80d83c"
+      sum="6dc7e8084f4221c997592032291d91f5"
       proved="true"
       expanded="false"
       shape="postconditionapermut_subV4V13V2ainfix +V3c1INainfix <V14V15INainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2078,7 +2078,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="99. postcondition"
-      sum="786fdad475d22d6fb70a78c3c5b1c1e9"
+      sum="7947b7a991afd84fd445a64ce7f28cec"
       proved="true"
       expanded="false"
       shape="postconditionainfix >agetV12V14V6Oainfix =V14V3INainfix <V14V15INainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2098,7 +2098,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="100. postcondition"
-      sum="956a15af607aa7417d0bdbb16bd42bae"
+      sum="e3e2bc8829d1160d69044ea5d84877ad"
       proved="true"
       expanded="false"
       shape="postconditionainfix <agetV12V15V6Oainfix =V15V2INainfix <V14V15INainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2118,7 +2118,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="101. postcondition"
-      sum="321154151430fc3354c8fb262aa288f5"
+      sum="6a14b9342ed9ad126b11078183946efa"
       proved="true"
       expanded="false"
       shape="postconditionainfix =agetV12V5V6INainfix <V14V15INainfix <V2V15Iainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V17V6Iainfix <V17V14Aainfix <=V2V17FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2138,7 +2138,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="102. postcondition"
-      sum="d00051e2025651fc36ba137e15fd909c"
+      sum="e25d01209a49b70d69b2feb21ad77870"
       proved="true"
       expanded="false"
       shape="postconditionainfix <=agetV12V16V6Iainfix <V16V14Aainfix <=V2V16FINainfix <V14V15INainfix <V2V15Iainfix >=agetV12V17V6Iainfix <=V17V3Aainfix <V15V17FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V18V6Iainfix <V18V14Aainfix <=V2V18FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V19V6Iainfix <=V19V3Aainfix <V10V19FAainfix <=agetV12V20V6Iainfix <V20V11Aainfix <=V2V20FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2158,7 +2158,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="103. postcondition"
-      sum="afc3de352b16fc21d55b0ac28cf4cd58"
+      sum="b3c3a27db4f64ef7efde93ede85a7c43"
       proved="true"
       expanded="false"
       shape="postconditionainfix >=agetV12V16V6Iainfix <=V16V3Aainfix <V15V16FINainfix <V14V15INainfix <V2V15Iainfix >=agetV12V17V6Iainfix <=V17V3Aainfix <V15V17FAainfix <=V15V3Aainfix <=V2V15FINainfix <V14V3Iainfix <=agetV12V18V6Iainfix <V18V14Aainfix <=V2V18FAainfix <=V14V3Aainfix <=V2V14FIainfix =agetV12V5V6Aainfix >=agetV12V19V6Iainfix <=V19V3Aainfix <V10V19FAainfix <=agetV12V20V6Iainfix <V20V11Aainfix <=V2V20FAapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V2V11Aainfix <=V10V3Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2178,7 +2178,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="104. precondition"
-      sum="f532b722c87f67b918859e2b7d163c1d"
+      sum="00147babb01491fb0cefa913a72d41ea"
       proved="true"
       expanded="false"
       shape="preconditionainfix <=V8V3Aainfix <=V2V8Aainfix <=V9V3Aainfix <=V2V9Iainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2198,7 +2198,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="105. precondition"
-      sum="6c020410f8661950e145b1c62c78cef5"
+      sum="b3c859e478b71b551e5e0cdb8d2b0b5d"
       proved="true"
       expanded="false"
       shape="preconditionapermut_subV4V4V2ainfix +V3c1Iainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2218,7 +2218,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="106. precondition"
-      sum="1dd76d299c991f050a5511f7d2cbffbe"
+      sum="e0aa08046953c5d0c45448fadedb91fc"
       proved="true"
       expanded="false"
       shape="preconditionainfix <=agetV1V10V6Iainfix <V10V8Aainfix <=V2V10FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2238,7 +2238,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="107. precondition"
-      sum="72f1daf337ac364734ad79aedf81e532"
+      sum="cfb2ff31973c8d7e340c2cb14fd1664d"
       proved="true"
       expanded="false"
       shape="preconditionainfix >=agetV1V10V6Iainfix <=V10V3Aainfix <V9V10FIainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2258,7 +2258,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="108. precondition"
-      sum="85bb77428074ed783f64cb50f2515862"
+      sum="dec41597e7604c6522794cc35c7a1857"
       proved="true"
       expanded="false"
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@@ -2278,7 +2278,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="109. assertion"
-      sum="a188428f5eb3a48b622d48563cc48eb2"
+      sum="2053f0b4306bf983759755a313488a57"
       proved="true"
       expanded="false"
       shape="assertionainfix =V11V3Aainfix =V10V11Oainfix =V11V2Aainfix =V10V11Oainfix <V10V11Iainfix >=agetV12V14V6Iainfix <=V14V3Aainfix <V10V14FAainfix <=agetV12V15V6Iainfix <V15V11Aainfix <=V2V15FAainfix =agetV12V5V6Aainfix <agetV12V10V6Oainfix =V10V2Aainfix >agetV12V11V6Oainfix =V11V3Aapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V10V11Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =agetV1V5V6Aainfix >=agetV1V16V6Iainfix <=V16V3Aainfix <V9V16FAainfix <=agetV1V17V6Iainfix <V17V8Aainfix <=V2V17FAapermut_subV4V4V2ainfix +V3c1Aainfix <=V8V3Aainfix <=V2V8Aainfix <=V9V3Aainfix <=V2V9Iainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2298,7 +2298,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="110. precondition"
-      sum="dd42b58af42a2ed6c038f54a0714f80a"
+      sum="65a3e022a34ba3bf285b0a2f53022340"
       proved="true"
       expanded="false"
       shape="preconditionainfix <=V5V3Aainfix <=V2V5Aainfix <V3V0Aainfix <=V11V3Aainfix <=V2V11Aainfix <=c0V2Iainfix <V11V5Iainfix =V11V3Aainfix =V10V11Oainfix =V11V2Aainfix =V10V11Oainfix <V10V11Iainfix >=agetV12V14V6Iainfix <=V14V3Aainfix <V10V14FAainfix <=agetV12V15V6Iainfix <V15V11Aainfix <=V2V15FAainfix =agetV12V5V6Aainfix <agetV12V10V6Oainfix =V10V2Aainfix >agetV12V11V6Oainfix =V11V3Aapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V10V11Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =agetV1V5V6Aainfix >=agetV1V16V6Iainfix <=V16V3Aainfix <V9V16FAainfix <=agetV1V17V6Iainfix <V17V8Aainfix <=V2V17FAapermut_subV4V4V2ainfix +V3c1Aainfix <=V8V3Aainfix <=V2V8Aainfix <=V9V3Aainfix <=V2V9Iainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2318,7 +2318,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="111. postcondition"
-      sum="dd420f70e8282ca4af1e1782fd6a52f7"
+      sum="b42aa9ea3553dac197d73950d3b4c92b"
       proved="true"
       expanded="false"
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@@ -2338,7 +2338,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="112. postcondition"
-      sum="ef491af52cff9e4090003faf3708593b"
+      sum="5b6d63a6a359a696b5db5131dd97a326"
       proved="true"
       expanded="false"
       shape="postconditionapermut_subV4V15V2ainfix +V3c1Iainfix =V16ainfix +V11c1FIapermut_subV13V15V2ainfix +V3c1AaexchangeV13V15V11V5Aainfix <=c0V0Lamk arrayV0V14FIainfix <=V5V3Aainfix <=V2V5Aainfix <V3V0Aainfix <=V11V3Aainfix <=V2V11Aainfix <=c0V2Iainfix <V11V5Iainfix =V11V3Aainfix =V10V11Oainfix =V11V2Aainfix =V10V11Oainfix <V10V11Iainfix >=agetV12V17V6Iainfix <=V17V3Aainfix <V10V17FAainfix <=agetV12V18V6Iainfix <V18V11Aainfix <=V2V18FAainfix =agetV12V5V6Aainfix <agetV12V10V6Oainfix =V10V2Aainfix >agetV12V11V6Oainfix =V11V3Aapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V10V11Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =agetV1V5V6Aainfix >=agetV1V19V6Iainfix <=V19V3Aainfix <V9V19FAainfix <=agetV1V20V6Iainfix <V20V8Aainfix <=V2V20FAapermut_subV4V4V2ainfix +V3c1Aainfix <=V8V3Aainfix <=V2V8Aainfix <=V9V3Aainfix <=V2V9Iainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2358,7 +2358,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="113. postcondition"
-      sum="d46143f11961dc714f1dfa9dce45e6ac"
+      sum="79eb071052451268482e5bb9139d9738"
       proved="true"
       expanded="false"
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@@ -2373,7 +2373,7 @@
         locfile="../algo63.mlw"
         loclnum="33" loccnumb="6" loccnume="16"
         expl="1. postcondition"
-        sum="8195193f9de6a82fb780d3edc7370669"
+        sum="7bd66752cc910656607e9cf7e8eecab4"
         proved="true"
         expanded="false"
         shape="postconditionainfix =agetV14V17V7Oainfix <agetV14V17V7Iainfix =V17V10Oainfix <V17V10Aainfix =V2V17Oainfix <V2V17FIainfix =V16ainfix +V11c1FIamap_eq_subaeltsV13aeltsV15ainfix +V3c1alengthV13AapermutV13V15V2ainfix +V3c1Aamap_eq_subaeltsV13aeltsV15c0V2AaexchangeaeltsV13aeltsV15c0alengthV13V11V5Aainfix =alengthV13alengthV15Aainfix =c0V0Oainfix <c0V0Lamk arrayV0V14FIainfix =V5V3Oainfix <V5V3Aainfix =V2V5Oainfix <V2V5Aainfix <V3V0Aainfix =V11V3Oainfix <V11V3Aainfix =V2V11Oainfix <V2V11Aainfix =c0V2Oainfix <c0V2Iainfix <V11V5Iainfix =V11V3Aainfix =V10V11Oainfix =V11V2Aainfix =V10V11Oainfix <V10V11Iainfix <=V6agetV12V18Iainfix =V18V3Oainfix <V18V3Aainfix <V10V18FAainfix =agetV12V19V6Oainfix <agetV12V19V6Iainfix <V19V11Aainfix =V2V19Oainfix <V2V19FAainfix =agetV12V5V6Aainfix <agetV12V10V6Oainfix =V10V2Aainfix <V6agetV12V11Oainfix =V11V3Aamap_eq_subaeltsV4aeltsV13ainfix +V3c1alengthV4AapermutV4V13V2ainfix +V3c1Aamap_eq_subaeltsV4aeltsV13c0V2Aainfix =V11V3Oainfix <V11V3Aainfix =V10V11Oainfix <V10V11Aainfix =V2V10Oainfix <V2V10Aainfix =c0V0Oainfix <c0V0Lamk arrayV0V12FIainfix =agetV1V5V6Aainfix <=V6agetV1V20Iainfix =V20V3Oainfix <V20V3Aainfix <V9V20FAainfix =agetV1V21V6Oainfix <agetV1V21V6Iainfix <V21V8Aainfix =V2V21Oainfix <V2V21FAamap_eq_subaeltsV4aeltsV4ainfix +V3c1alengthV4AapermutV4V4V2ainfix +V3c1Aamap_eq_subaeltsV4aeltsV4c0V2Aainfix =V8V3Oainfix <V8V3Aainfix =V2V8Oainfix <V2V8Aainfix =V9V3Oainfix <V9V3Aainfix =V2V9Oainfix <V2V9Iainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix =c0V5Oainfix <c0V5Iainfix =V5V3Oainfix <V5V3Aainfix =V2V5Oainfix <V2V5FIainfix <V3V0Aainfix <V2V3Aainfix =c0V2Oainfix <c0V2Aainfix =c0V0Oainfix <c0V0Lamk arrayV0V1F">
@@ -2388,7 +2388,7 @@
           locfile="../algo63.mlw"
           loclnum="33" loccnumb="6" loccnume="16"
           expl="1. postcondition"
-          sum="3220f7b3904c03f6ca8886f12890a482"
+          sum="eae41a49a8e6a8ff0a0646cf56416116"
           proved="true"
           expanded="false"
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@@ -2403,7 +2403,7 @@
             locfile="../algo63.mlw"
             loclnum="33" loccnumb="6" loccnume="16"
             expl="1. postcondition"
-            sum="46f20704642cd297d24f9aa66920534b"
+            sum="e7157d764fb40a6df12f1065cc040090"
             proved="true"
             expanded="false"
             shape="postconditionainfix =agetV14V17V7Oainfix <agetV14V17V7Iainfix =V17V10Oainfix <V17V10Aainfix =V2V17Oainfix <V2V17FIainfix =V16ainfix +V11c1FIainfix =agetaeltsV13V18agetaeltsV15V18Iainfix <V18alengthV13Aainfix =ainfix +V3c1V18Oainfix <ainfix +V3c1V18FAainfix =aoccV19aeltsV13V2ainfix +V3c1aoccV19aeltsV15V2ainfix +V3c1FAainfix =ainfix +V3c1alengthV13Oainfix <ainfix +V3c1alengthV13Aainfix =c0ainfix +V3c1Oainfix <c0ainfix +V3c1Aainfix =V2alengthV13Oainfix <V2alengthV13Aainfix =c0V2Oainfix <c0V2Aainfix =alengthV13alengthV15Aainfix =agetaeltsV13V20agetaeltsV15V20Iainfix <V20V2Aainfix =c0V20Oainfix <c0V20FAainfix =agetaeltsV13V21agetaeltsV15V21INainfix =V21V5INainfix =V21V11Iainfix <V21alengthV13Aainfix =c0V21Oainfix <c0V21FAainfix =agetaeltsV13V5agetaeltsV15V11Aainfix =agetaeltsV13V11agetaeltsV15V5Aainfix <V5alengthV13Aainfix =c0V5Oainfix <c0V5Aainfix <V11alengthV13Aainfix =c0V11Oainfix <c0V11Aainfix =alengthV13alengthV15Aainfix =c0V0Oainfix <c0V0Lamk arrayV0V14FIainfix =V5V3Oainfix <V5V3Aainfix =V2V5Oainfix <V2V5Aainfix <V3V0Aainfix =V11V3Oainfix <V11V3Aainfix =V2V11Oainfix <V2V11Aainfix =c0V2Oainfix <c0V2Iainfix <V11V5Iainfix =V11V3Aainfix =V10V11Oainfix =V11V2Aainfix =V10V11Oainfix <V10V11Iainfix =V6agetV12V22Oainfix <V6agetV12V22Iainfix =V22V3Oainfix <V22V3Aainfix <V10V22FAainfix =agetV12V23V6Oainfix <agetV12V23V6Iainfix <V23V11Aainfix =V2V23Oainfix <V2V23FAainfix =agetV12V5V6Aainfix <agetV12V10V6Oainfix =V10V2Aainfix <V6agetV12V11Oainfix =V11V3Aainfix =agetaeltsV4V24agetaeltsV13V24Iainfix <V24alengthV4Aainfix =ainfix +V3c1V24Oainfix <ainfix +V3c1V24FAainfix =aoccV25aeltsV4V2ainfix +V3c1aoccV25aeltsV13V2ainfix +V3c1FAainfix =ainfix +V3c1alengthV4Oainfix <ainfix +V3c1alengthV4Aainfix =c0ainfix +V3c1Oainfix <c0ainfix +V3c1Aainfix =V2alengthV4Oainfix <V2alengthV4Aainfix =c0V2Oainfix <c0V2Aainfix =alengthV4alengthV13Aainfix =agetaeltsV4V26agetaeltsV13V26Iainfix <V26V2Aainfix =c0V26Oainfix <c0V26FAainfix =V11V3Oainfix <V11V3Aainfix =V10V11Oainfix <V10V11Aainfix =V2V10Oainfix <V2V10Aainfix =c0V0Oainfix <c0V0Lamk arrayV0V12FIainfix =agetV1V5V6Aainfix =V6agetV1V27Oainfix <V6agetV1V27Iainfix =V27V3Oainfix <V27V3Aainfix <V9V27FAainfix =agetV1V28V6Oainfix <agetV1V28V6Iainfix <V28V8Aainfix =V2V28Oainfix <V2V28FAainfix =agetaeltsV4V29agetaeltsV4V29Iainfix <V29alengthV4Aainfix =ainfix +V3c1V29Oainfix <ainfix +V3c1V29FAainfix =aoccV30aeltsV4V2ainfix +V3c1aoccV30aeltsV4V2ainfix +V3c1FAainfix =ainfix +V3c1alengthV4Oainfix <ainfix +V3c1alengthV4Aainfix =c0ainfix +V3c1Oainfix <c0ainfix +V3c1Aainfix =V2alengthV4Oainfix <V2alengthV4Aainfix =c0V2Oainfix <c0V2Aainfix =alengthV4alengthV4Aainfix =agetaeltsV4V31agetaeltsV4V31Iainfix <V31V2Aainfix =c0V31Oainfix <c0V31FAainfix =V8V3Oainfix <V8V3Aainfix =V2V8Oainfix <V2V8Aainfix =V9V3Oainfix <V9V3Aainfix =V2V9Oainfix <V2V9Iainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix =c0V5Oainfix <c0V5Iainfix =V5V3Oainfix <V5V3Aainfix =V2V5Oainfix <V2V5FIainfix <V3V0Aainfix <V2V3Aainfix =c0V2Oainfix <c0V2Aainfix =c0V0Oainfix <c0V0Lamk arrayV0V1F">
@@ -2429,7 +2429,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="114. postcondition"
-      sum="b57fa32dfb7f526cb8580340afb4402d"
+      sum="1c17eef7bfe8a89b74146b246c585ab1"
       proved="true"
       expanded="false"
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@@ -2444,7 +2444,7 @@
         locfile="../algo63.mlw"
         loclnum="33" loccnumb="6" loccnume="16"
         expl="1. postcondition"
-        sum="6136f1c028c7b59eed82f2eca3931440"
+        sum="4dea4aff6c31210b28cdf081ddc6a46d"
         proved="true"
         expanded="false"
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@@ -2459,7 +2459,7 @@
           locfile="../algo63.mlw"
           loclnum="33" loccnumb="6" loccnume="16"
           expl="1. postcondition"
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+          sum="1aab83450aace1c7f4e711f770cc25d7"
           proved="true"
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@@ -2474,7 +2474,7 @@
             locfile="../algo63.mlw"
             loclnum="33" loccnumb="6" loccnume="16"
             expl="1. postcondition"
-            sum="13eaed2463803e5e9692c57cf0e0d292"
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             proved="true"
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@@ -2500,7 +2500,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="115. postcondition"
-      sum="0816c4c6c30c2cc6cabfe4e22c4b4269"
+      sum="f1f71a7a1266bde1413683ea8ccb5db6"
       proved="true"
       expanded="false"
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@@ -2515,7 +2515,7 @@
         locfile="../algo63.mlw"
         loclnum="33" loccnumb="6" loccnume="16"
         expl="1. postcondition"
-        sum="b04863660e331b0ba5a29ac71fca423f"
+        sum="3b9d6b6bee35ce30b5ab35163da38f74"
         proved="true"
         expanded="false"
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@@ -2530,7 +2530,7 @@
           locfile="../algo63.mlw"
           loclnum="33" loccnumb="6" loccnume="16"
           expl="1. postcondition"
-          sum="4d36a5da109d7a46b625a991a696ed77"
+          sum="282755f11426caa5ce05993b65016620"
           proved="true"
           expanded="false"
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@@ -2545,7 +2545,7 @@
             locfile="../algo63.mlw"
             loclnum="33" loccnumb="6" loccnume="16"
             expl="1. postcondition"
-            sum="24dc6d5b2ec1ee07467a83d73dfcf6ae"
+            sum="e8b1b793b5c19c9bd28a73e952162a4c"
             proved="true"
             expanded="false"
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@@ -2571,7 +2571,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="116. precondition"
-      sum="040f02bddba560b6ab114a048da5fa00"
+      sum="81778b41363a0f2ada2154784b3be4fc"
       proved="true"
       expanded="false"
       shape="preconditionainfix <=V10V3Aainfix <=V2V10Aainfix <V3V0Aainfix <=V5V3Aainfix <=V2V5Aainfix <=c0V2Iainfix <V5V10INainfix <V11V5Iainfix =V11V3Aainfix =V10V11Oainfix =V11V2Aainfix =V10V11Oainfix <V10V11Iainfix >=agetV12V14V6Iainfix <=V14V3Aainfix <V10V14FAainfix <=agetV12V15V6Iainfix <V15V11Aainfix <=V2V15FAainfix =agetV12V5V6Aainfix <agetV12V10V6Oainfix =V10V2Aainfix >agetV12V11V6Oainfix =V11V3Aapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V10V11Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =agetV1V5V6Aainfix >=agetV1V16V6Iainfix <=V16V3Aainfix <V9V16FAainfix <=agetV1V17V6Iainfix <V17V8Aainfix <=V2V17FAapermut_subV4V4V2ainfix +V3c1Aainfix <=V8V3Aainfix <=V2V8Aainfix <=V9V3Aainfix <=V2V9Iainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2591,7 +2591,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="117. postcondition"
-      sum="06f40581ec3c1fdd65105e3b34cc8524"
+      sum="a7a8e26b03e9cc51bc94d569a4cd1cc8"
       proved="true"
       expanded="false"
       shape="postconditionainfix <=V11V3Aainfix <V16V11Aainfix <=V2V16Iainfix =V16ainfix -V10c1FIapermut_subV13V15V2ainfix +V3c1AaexchangeV13V15V5V10Aainfix <=c0V0Lamk arrayV0V14FIainfix <=V10V3Aainfix <=V2V10Aainfix <V3V0Aainfix <=V5V3Aainfix <=V2V5Aainfix <=c0V2Iainfix <V5V10INainfix <V11V5Iainfix =V11V3Aainfix =V10V11Oainfix =V11V2Aainfix =V10V11Oainfix <V10V11Iainfix >=agetV12V17V6Iainfix <=V17V3Aainfix <V10V17FAainfix <=agetV12V18V6Iainfix <V18V11Aainfix <=V2V18FAainfix =agetV12V5V6Aainfix <agetV12V10V6Oainfix =V10V2Aainfix >agetV12V11V6Oainfix =V11V3Aapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V10V11Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =agetV1V5V6Aainfix >=agetV1V19V6Iainfix <=V19V3Aainfix <V9V19FAainfix <=agetV1V20V6Iainfix <V20V8Aainfix <=V2V20FAapermut_subV4V4V2ainfix +V3c1Aainfix <=V8V3Aainfix <=V2V8Aainfix <=V9V3Aainfix <=V2V9Iainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2611,7 +2611,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="118. postcondition"
-      sum="b27b7ca21122de9f5affdfea7020d473"
+      sum="8c5c6654ce788089e6fb160e857638dc"
       proved="true"
       expanded="false"
       shape="postconditionapermut_subV4V15V2ainfix +V3c1Iainfix =V16ainfix -V10c1FIapermut_subV13V15V2ainfix +V3c1AaexchangeV13V15V5V10Aainfix <=c0V0Lamk arrayV0V14FIainfix <=V10V3Aainfix <=V2V10Aainfix <V3V0Aainfix <=V5V3Aainfix <=V2V5Aainfix <=c0V2Iainfix <V5V10INainfix <V11V5Iainfix =V11V3Aainfix =V10V11Oainfix =V11V2Aainfix =V10V11Oainfix <V10V11Iainfix >=agetV12V17V6Iainfix <=V17V3Aainfix <V10V17FAainfix <=agetV12V18V6Iainfix <V18V11Aainfix <=V2V18FAainfix =agetV12V5V6Aainfix <agetV12V10V6Oainfix =V10V2Aainfix >agetV12V11V6Oainfix =V11V3Aapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V10V11Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =agetV1V5V6Aainfix >=agetV1V19V6Iainfix <=V19V3Aainfix <V9V19FAainfix <=agetV1V20V6Iainfix <V20V8Aainfix <=V2V20FAapermut_subV4V4V2ainfix +V3c1Aainfix <=V8V3Aainfix <=V2V8Aainfix <=V9V3Aainfix <=V2V9Iainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2631,7 +2631,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="119. postcondition"
-      sum="949d847954b9e0dac6748a6ef9461f56"
+      sum="06fd5b2fe87cac45e4b531ba85bff697"
       proved="true"
       expanded="false"
       shape="postconditionainfix <=agetV14V17V7Iainfix <=V17V16Aainfix <=V2V17FIainfix =V16ainfix -V10c1FIapermut_subV13V15V2ainfix +V3c1AaexchangeV13V15V5V10Aainfix <=c0V0Lamk arrayV0V14FIainfix <=V10V3Aainfix <=V2V10Aainfix <V3V0Aainfix <=V5V3Aainfix <=V2V5Aainfix <=c0V2Iainfix <V5V10INainfix <V11V5Iainfix =V11V3Aainfix =V10V11Oainfix =V11V2Aainfix =V10V11Oainfix <V10V11Iainfix >=agetV12V18V6Iainfix <=V18V3Aainfix <V10V18FAainfix <=agetV12V19V6Iainfix <V19V11Aainfix <=V2V19FAainfix =agetV12V5V6Aainfix <agetV12V10V6Oainfix =V10V2Aainfix >agetV12V11V6Oainfix =V11V3Aapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V10V11Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =agetV1V5V6Aainfix >=agetV1V20V6Iainfix <=V20V3Aainfix <V9V20FAainfix <=agetV1V21V6Iainfix <V21V8Aainfix <=V2V21FAapermut_subV4V4V2ainfix +V3c1Aainfix <=V8V3Aainfix <=V2V8Aainfix <=V9V3Aainfix <=V2V9Iainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2646,7 +2646,7 @@
         locfile="../algo63.mlw"
         loclnum="33" loccnumb="6" loccnume="16"
         expl="1. postcondition"
-        sum="acf0d136b8f3be8c0dadba938371c611"
+        sum="2465114f9e979ea9468be714880fa989"
         proved="true"
         expanded="false"
         shape="postconditionainfix =agetV14V17V7Oainfix <agetV14V17V7Iainfix =V17V16Oainfix <V17V16Aainfix =V2V17Oainfix <V2V17FIainfix =V16ainfix +V10aprefix -c1FIamap_eq_subaeltsV13aeltsV15ainfix +V3c1alengthV13AapermutV13V15V2ainfix +V3c1Aamap_eq_subaeltsV13aeltsV15c0V2AaexchangeaeltsV13aeltsV15c0alengthV13V5V10Aainfix =alengthV13alengthV15Aainfix =c0V0Oainfix <c0V0Lamk arrayV0V14FIainfix =V10V3Oainfix <V10V3Aainfix =V2V10Oainfix <V2V10Aainfix <V3V0Aainfix =V5V3Oainfix <V5V3Aainfix =V2V5Oainfix <V2V5Aainfix =c0V2Oainfix <c0V2Iainfix <V5V10INainfix <V11V5Iainfix =V11V3Aainfix =V10V11Oainfix =V11V2Aainfix =V10V11Oainfix <V10V11Iainfix <=V6agetV12V18Iainfix =V18V3Oainfix <V18V3Aainfix <V10V18FAainfix =agetV12V19V6Oainfix <agetV12V19V6Iainfix <V19V11Aainfix =V2V19Oainfix <V2V19FAainfix =agetV12V5V6Aainfix <agetV12V10V6Oainfix =V10V2Aainfix <V6agetV12V11Oainfix =V11V3Aamap_eq_subaeltsV4aeltsV13ainfix +V3c1alengthV4AapermutV4V13V2ainfix +V3c1Aamap_eq_subaeltsV4aeltsV13c0V2Aainfix =V11V3Oainfix <V11V3Aainfix =V10V11Oainfix <V10V11Aainfix =V2V10Oainfix <V2V10Aainfix =c0V0Oainfix <c0V0Lamk arrayV0V12FIainfix =agetV1V5V6Aainfix <=V6agetV1V20Iainfix =V20V3Oainfix <V20V3Aainfix <V9V20FAainfix =agetV1V21V6Oainfix <agetV1V21V6Iainfix <V21V8Aainfix =V2V21Oainfix <V2V21FAamap_eq_subaeltsV4aeltsV4ainfix +V3c1alengthV4AapermutV4V4V2ainfix +V3c1Aamap_eq_subaeltsV4aeltsV4c0V2Aainfix =V8V3Oainfix <V8V3Aainfix =V2V8Oainfix <V2V8Aainfix =V9V3Oainfix <V9V3Aainfix =V2V9Oainfix <V2V9Iainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix =c0V5Oainfix <c0V5Iainfix =V5V3Oainfix <V5V3Aainfix =V2V5Oainfix <V2V5FIainfix <V3V0Aainfix <V2V3Aainfix =c0V2Oainfix <c0V2Aainfix =c0V0Oainfix <c0V0Lamk arrayV0V1F">
@@ -2661,7 +2661,7 @@
           locfile="../algo63.mlw"
           loclnum="33" loccnumb="6" loccnume="16"
           expl="1. postcondition"
-          sum="b74fea2066b6e178a765dd5cf3f882f2"
+          sum="ce07e13aab16970b04c79b31c866f8cd"
           proved="true"
           expanded="false"
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@@ -2676,7 +2676,7 @@
             locfile="../algo63.mlw"
             loclnum="33" loccnumb="6" loccnume="16"
             expl="1. postcondition"
-            sum="4fa39215fd69bb41dc220d99803e8c03"
+            sum="345711f09d4fec4537c533e54ea5951a"
             proved="true"
             expanded="false"
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@@ -2702,7 +2702,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="120. postcondition"
-      sum="76b552c94e926fbf800a515fcb7b381d"
+      sum="b64d64ec9e1267cc35bce4ac037a96d3"
       proved="true"
       expanded="false"
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@@ -2717,7 +2717,7 @@
         locfile="../algo63.mlw"
         loclnum="33" loccnumb="6" loccnume="16"
         expl="1. postcondition"
-        sum="56974174fc0ebb0ad03b7aee423f73a5"
+        sum="54289e787029a99599702a45d63c4fcc"
         proved="true"
         expanded="false"
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@@ -2732,7 +2732,7 @@
           locfile="../algo63.mlw"
           loclnum="33" loccnumb="6" loccnume="16"
           expl="1. postcondition"
-          sum="6ae88f3cfc6cb0ae5a55ba838c6f6775"
+          sum="bb9dc788ba7d6f7542538c4a0431758e"
           proved="true"
           expanded="false"
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@@ -2747,7 +2747,7 @@
             locfile="../algo63.mlw"
             loclnum="33" loccnumb="6" loccnume="16"
             expl="1. postcondition"
-            sum="8bbe839f15d1c067ec968b9f787e5f7c"
+            sum="155445d5c1dae6eed441853df15bd272"
             proved="true"
             expanded="false"
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@@ -2773,7 +2773,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="121. postcondition"
-      sum="bcce27d2f884f5f078731cfdcb873d57"
+      sum="a7d56ed6037c16da49868be8761f3446"
       proved="true"
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@@ -2788,7 +2788,7 @@
         locfile="../algo63.mlw"
         loclnum="33" loccnumb="6" loccnume="16"
         expl="1. postcondition"
-        sum="d527f5745b17ce998c864ecac4c32b6d"
+        sum="c091f749c6c7191a58e449eaa302f0aa"
         proved="true"
         expanded="false"
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@@ -2803,7 +2803,7 @@
           locfile="../algo63.mlw"
           loclnum="33" loccnumb="6" loccnume="16"
           expl="1. postcondition"
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+          sum="669397d6c3b5819eb87f973d3744eca9"
           proved="true"
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@@ -2818,7 +2818,7 @@
             locfile="../algo63.mlw"
             loclnum="33" loccnumb="6" loccnume="16"
             expl="1. postcondition"
-            sum="2eb582fb7feb9f0554d51a7d01cb057e"
+            sum="efa94e685735d23a99cdf7a6ed708366"
             proved="true"
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@@ -2844,7 +2844,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="122. postcondition"
-      sum="b561eccdbc0b8eaf4b167ddfaff59200"
+      sum="49de465b6de6ead50d492021bd22d92c"
       proved="true"
       expanded="false"
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@@ -2864,7 +2864,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="123. postcondition"
-      sum="b67996a7dad7af0c5b5deb5f5173eeef"
+      sum="450d5ac5a505a6b06a86b0e069cafef7"
       proved="true"
       expanded="false"
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@@ -2884,7 +2884,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="124. postcondition"
-      sum="10706536ee933be94003ae4462c7eb67"
+      sum="aa19b353559dcb4458b2288b6b9aef25"
       proved="true"
       expanded="false"
       shape="postconditionainfix <=agetV12V14V7Iainfix <=V14V10Aainfix <=V2V14FINainfix <V5V10INainfix <V11V5Iainfix =V11V3Aainfix =V10V11Oainfix =V11V2Aainfix =V10V11Oainfix <V10V11Iainfix >=agetV12V15V6Iainfix <=V15V3Aainfix <V10V15FAainfix <=agetV12V16V6Iainfix <V16V11Aainfix <=V2V16FAainfix =agetV12V5V6Aainfix <agetV12V10V6Oainfix =V10V2Aainfix >agetV12V11V6Oainfix =V11V3Aapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V10V11Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =agetV1V5V6Aainfix >=agetV1V17V6Iainfix <=V17V3Aainfix <V9V17FAainfix <=agetV1V18V6Iainfix <V18V8Aainfix <=V2V18FAapermut_subV4V4V2ainfix +V3c1Aainfix <=V8V3Aainfix <=V2V8Aainfix <=V9V3Aainfix <=V2V9Iainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2904,7 +2904,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="125. postcondition"
-      sum="8512fe1c23d7fc3155c3e9eeb8d9f3ec"
+      sum="35ce283aea3c72d804cc66b2f86f8cd7"
       proved="true"
       expanded="false"
       shape="postconditionainfix =agetV12V14V7Iainfix <V14V11Aainfix <V10V14FINainfix <V5V10INainfix <V11V5Iainfix =V11V3Aainfix =V10V11Oainfix =V11V2Aainfix =V10V11Oainfix <V10V11Iainfix >=agetV12V15V6Iainfix <=V15V3Aainfix <V10V15FAainfix <=agetV12V16V6Iainfix <V16V11Aainfix <=V2V16FAainfix =agetV12V5V6Aainfix <agetV12V10V6Oainfix =V10V2Aainfix >agetV12V11V6Oainfix =V11V3Aapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V10V11Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =agetV1V5V6Aainfix >=agetV1V17V6Iainfix <=V17V3Aainfix <V9V17FAainfix <=agetV1V18V6Iainfix <V18V8Aainfix <=V2V18FAapermut_subV4V4V2ainfix +V3c1Aainfix <=V8V3Aainfix <=V2V8Aainfix <=V9V3Aainfix <=V2V9Iainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2924,7 +2924,7 @@
       locfile="../algo63.mlw"
       loclnum="33" loccnumb="6" loccnume="16"
       expl="126. postcondition"
-      sum="988596a1c4b30191c4ae32729a6d1295"
+      sum="058f7d9daede5fd13b291e6a3424c513"
       proved="true"
       expanded="false"
       shape="postconditionainfix >=agetV12V14V7Iainfix <=V14V3Aainfix <=V11V14FINainfix <V5V10INainfix <V11V5Iainfix =V11V3Aainfix =V10V11Oainfix =V11V2Aainfix =V10V11Oainfix <V10V11Iainfix >=agetV12V15V6Iainfix <=V15V3Aainfix <V10V15FAainfix <=agetV12V16V6Iainfix <V16V11Aainfix <=V2V16FAainfix =agetV12V5V6Aainfix <agetV12V10V6Oainfix =V10V2Aainfix >agetV12V11V6Oainfix =V11V3Aapermut_subV4V13V2ainfix +V3c1Aainfix <=V11V3Aainfix <=V10V11Aainfix <=V2V10Aainfix <=c0V0Lamk arrayV0V12FIainfix =agetV1V5V6Aainfix >=agetV1V17V6Iainfix <=V17V3Aainfix <V9V17FAainfix <=agetV1V18V6Iainfix <V18V8Aainfix <=V2V18FAapermut_subV4V4V2ainfix +V3c1Aainfix <=V8V3Aainfix <=V2V8Aainfix <=V9V3Aainfix <=V2V9Iainfix =V9V3FIainfix =V8V2FIainfix =V7V6FLagetV1V5Iainfix <V5V0Aainfix <=c0V5Iainfix <=V5V3Aainfix <=V2V5FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2946,7 +2946,7 @@
     locfile="../algo63.mlw"
     loclnum="83" loccnumb="6" loccnume="15"
     expl="VC for partition"
-    sum="76e9d7670925c991e905637f7e7333ab"
+    sum="f7c358690fdbf54f652c03271d437973"
     proved="true"
     expanded="true"
     shape="ainfix >=agetV8V11V10Iainfix <=V11V3Aainfix <=V7V11FAainfix =agetV8V12V10Iainfix <V12V7Aainfix <V6V12FAainfix <=agetV8V13V10Iainfix <=V13V6Aainfix <=V2V13FEAapermut_subV4V9V2ainfix +V3c1Aainfix <=V7V3Aainfix <V6V7Aainfix <=V2V6Iainfix >=agetV8V14V5Iainfix <=V14V3Aainfix <=V7V14FAainfix =agetV8V15V5Iainfix <V15V7Aainfix <V6V15FAainfix <=agetV8V16V5Iainfix <=V16V6Aainfix <=V2V16FAapermut_subV4V9V2ainfix +V3c1Aainfix <=V7V3Aainfix <V6V7Aainfix <=V2V6Aainfix <=c0V0Lamk arrayV0V8FAainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Iainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2961,7 +2961,7 @@
       locfile="../algo63.mlw"
       loclnum="83" loccnumb="6" loccnume="15"
       expl="1. precondition"
-      sum="afda11751fbaf37bef5337722c458940"
+      sum="c35b824c338e55898cba40f9861b9ee4"
       proved="true"
       expanded="false"
       shape="preconditionainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Iainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -2981,7 +2981,7 @@
       locfile="../algo63.mlw"
       loclnum="83" loccnumb="6" loccnume="15"
       expl="2. postcondition"
-      sum="581d2eedeca4b494c1214d89f6b51ddc"
+      sum="78b8f7f1637ac793cbc9716f0900ea1f"
       proved="true"
       expanded="false"
       shape="postconditionainfix <=V7V3Aainfix <V6V7Aainfix <=V2V6Iainfix >=agetV8V10V5Iainfix <=V10V3Aainfix <=V7V10FAainfix =agetV8V11V5Iainfix <V11V7Aainfix <V6V11FAainfix <=agetV8V12V5Iainfix <=V12V6Aainfix <=V2V12FAapermut_subV4V9V2ainfix +V3c1Aainfix <=V7V3Aainfix <V6V7Aainfix <=V2V6Aainfix <=c0V0Lamk arrayV0V8FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Iainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -3001,7 +3001,7 @@
       locfile="../algo63.mlw"
       loclnum="83" loccnumb="6" loccnume="15"
       expl="3. postcondition"
-      sum="a338598fd8b602a0452a503ccbe00904"
+      sum="2d21e88c0fea880868c3278aa1b89cba"
       proved="true"
       expanded="false"
       shape="postconditionapermut_subV4V9V2ainfix +V3c1Iainfix >=agetV8V10V5Iainfix <=V10V3Aainfix <=V7V10FAainfix =agetV8V11V5Iainfix <V11V7Aainfix <V6V11FAainfix <=agetV8V12V5Iainfix <=V12V6Aainfix <=V2V12FAapermut_subV4V9V2ainfix +V3c1Aainfix <=V7V3Aainfix <V6V7Aainfix <=V2V6Aainfix <=c0V0Lamk arrayV0V8FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Iainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -3021,7 +3021,7 @@
       locfile="../algo63.mlw"
       loclnum="83" loccnumb="6" loccnume="15"
       expl="4. postcondition"
-      sum="ec91e58a89113fe652c1964bc9fba92b"
+      sum="45eec18d9a65350c7e20532d0f94984c"
       proved="true"
       expanded="true"
       shape="postconditionainfix >=agetV8V11V10Iainfix <=V11V3Aainfix <=V7V11FAainfix =agetV8V12V10Iainfix <V12V7Aainfix <V6V12FAainfix <=agetV8V13V10Iainfix <=V13V6Aainfix <=V2V13FEIainfix >=agetV8V14V5Iainfix <=V14V3Aainfix <=V7V14FAainfix =agetV8V15V5Iainfix <V15V7Aainfix <V6V15FAainfix <=agetV8V16V5Iainfix <=V16V6Aainfix <=V2V16FAapermut_subV4V9V2ainfix +V3c1Aainfix <=V7V3Aainfix <V6V7Aainfix <=V2V6Aainfix <=c0V0Lamk arrayV0V8FIainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Iainfix <V3V0Aainfix <V2V3Aainfix <=c0V2Aainfix <=c0V0Lamk arrayV0V1F">
@@ -3033,7 +3033,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="2.31"/>
+       <result status="valid" time="1.92"/>
       </proof>
       <metas
        proved="true"
@@ -3808,7 +3808,7 @@
         locfile="../algo63.mlw"
         loclnum="83" loccnumb="6" loccnume="15"
         expl="4. postcondition"
-        sum="bca10bc32100808d390715c512e12f45"
+        sum="4c1fe08c07610e94ddeca1a471b0ce94"
         proved="true"
         expanded="true"
         shape="postconditionainfix &gt;=agetV8V11V10Iainfix &lt;=V11V3Aainfix &lt;=V7V11FAainfix =agetV8V12V10Iainfix &lt;V12V7Aainfix &lt;V6V12FAainfix &lt;=agetV8V13V10Iainfix &lt;=V13V6Aainfix &lt;=V2V13FEIainfix &gt;=agetV8V14V5Iainfix &lt;=V14V3Aainfix &lt;=V7V14FAainfix =agetV8V15V5Iainfix &lt;V15V7Aainfix &lt;V6V15FAainfix &lt;=agetV8V16V5Iainfix &lt;=V16V6Aainfix &lt;=V2V16FAapermut_subV4V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -3823,7 +3823,7 @@
           locfile="../algo63.mlw"
           loclnum="83" loccnumb="6" loccnume="15"
           expl="1. postcondition"
-          sum="183f99278c2c633e9fffe97a7c8e4e77"
+          sum="8fa5db96572371e26b6b2b4ceb76faf5"
           proved="true"
           expanded="true"
           shape="postconditionainfix &gt;=agetV8V11V10Iainfix &lt;=V11V3Aainfix &lt;=V7V11FAainfix =agetV8V12V10Iainfix &lt;V12V7Aainfix &lt;V6V12FAainfix &lt;=agetV8V13V10Iainfix &lt;=V13V6Aainfix &lt;=V2V13FEIainfix &gt;=agetV8V14V5Iainfix &lt;=V14V3Aainfix &lt;=V7V14FAainfix =agetV8V15V5Iainfix &lt;V15V7Aainfix &lt;V6V15FAainfix &lt;=agetV8V16V5Iainfix &lt;=V16V6Aainfix &lt;=V2V16FAapermut_subV4V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -3843,7 +3843,7 @@
            memlimit="1000"
            obsolete="false"
            archived="false">
-           <result status="valid" time="2.36"/>
+           <result status="valid" time="1.76"/>
           </proof>
           <proof
            prover="3"
diff --git a/examples/algo64/why3session.xml b/examples/algo64/why3session.xml
index 90251ff5ee1772c3a61509b52d73fc5f1a5a9edf..02eee980768bef06a43f79143b0b01a6a254290d 100644
--- a/examples/algo64/why3session.xml
+++ b/examples/algo64/why3session.xml
@@ -20,7 +20,7 @@
     locfile="../algo64.mlw"
     loclnum="42" loccnumb="10" loccnume="19"
     expl="VC for quicksort"
-    sum="e35b0a38cfcc5561e3cdee6d65d70f37"
+    sum="a0ba4e5c3604987c94637a32a37c6bda"
     proved="true"
     expanded="true"
     shape="iasorted_subV1V2ainfix +V3c1Aapermut_subV4V4V2ainfix +V3c1asorted_subV11V2ainfix +V3c1Aapermut_subV4V12V2ainfix +V3c1Aaqs_partitionV10V12V2V3V6V5c42Iasorted_subV11V6ainfix +V3c1Aapermut_subV10V12V6ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V11FAainfix &lt;V3V0Aainfix &lt;=V6V3Aainfix &lt;=c0V6Aainfix &lt;ainfix -V3V6ainfix -V3V2Aainfix &lt;=c0ainfix -V3V2Aaqs_partitionV8V10V2V3V6V5c42Iasorted_subV9V2ainfix +V5c1Aapermut_subV8V10V2ainfix +V5c1Aainfix &lt;=c0V0Lamk arrayV0V9FAainfix &lt;V5V0Aainfix &lt;=V2V5Aainfix &lt;=c0V2Aainfix &lt;ainfix -V5V2ainfix -V3V2Aainfix &lt;=c0ainfix -V3V2Iainfix &gt;=agetV7V13c42Iainfix &lt;=V13V3Aainfix &lt;=V6V13FAainfix =agetV7V14c42Iainfix &lt;V14V6Aainfix &lt;V5V14FAainfix &lt;=agetV7V15c42Iainfix &lt;=V15V5Aainfix &lt;=V2V15FAapermut_subV4V8V2ainfix +V3c1Aainfix &lt;=V6V3Aainfix &lt;V5V6Aainfix &lt;=V2V5Aainfix &lt;=c0V0Lamk arrayV0V7FAainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2ainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V2V3Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -35,7 +35,7 @@
       locfile="../algo64.mlw"
       loclnum="42" loccnumb="10" loccnume="19"
       expl="1. precondition"
-      sum="1f818119f549fd3aa39712ef78dab021"
+      sum="e1f73adaa81d119e1d0e5773a0d17f31"
       proved="true"
       expanded="false"
       shape="preconditionainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V2V3Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -55,7 +55,7 @@
       locfile="../algo64.mlw"
       loclnum="42" loccnumb="10" loccnume="19"
       expl="2. variant decrease"
-      sum="c603e9c4679d7be7e14531f5504353b6"
+      sum="7dc1c60e6b6c8e90e40cffb3c0046c34"
       proved="true"
       expanded="false"
       shape="variant decreaseainfix &lt;ainfix -V5V2ainfix -V3V2Aainfix &lt;=c0ainfix -V3V2Iainfix &gt;=agetV7V9c42Iainfix &lt;=V9V3Aainfix &lt;=V6V9FAainfix =agetV7V10c42Iainfix &lt;V10V6Aainfix &lt;V5V10FAainfix &lt;=agetV7V11c42Iainfix &lt;=V11V5Aainfix &lt;=V2V11FAapermut_subV4V8V2ainfix +V3c1Aainfix &lt;=V6V3Aainfix &lt;V5V6Aainfix &lt;=V2V5Aainfix &lt;=c0V0Lamk arrayV0V7FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V2V3Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -75,7 +75,7 @@
       locfile="../algo64.mlw"
       loclnum="42" loccnumb="10" loccnume="19"
       expl="3. precondition"
-      sum="776d62f711ad32b74cb6219bae655abf"
+      sum="a4143c4e9e45f69e96a27ce50d7066c8"
       proved="true"
       expanded="false"
       shape="preconditionainfix &lt;V5V0Aainfix &lt;=V2V5Aainfix &lt;=c0V2Iainfix &gt;=agetV7V9c42Iainfix &lt;=V9V3Aainfix &lt;=V6V9FAainfix =agetV7V10c42Iainfix &lt;V10V6Aainfix &lt;V5V10FAainfix &lt;=agetV7V11c42Iainfix &lt;=V11V5Aainfix &lt;=V2V11FAapermut_subV4V8V2ainfix +V3c1Aainfix &lt;=V6V3Aainfix &lt;V5V6Aainfix &lt;=V2V5Aainfix &lt;=c0V0Lamk arrayV0V7FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V2V3Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -95,7 +95,7 @@
       locfile="../algo64.mlw"
       loclnum="42" loccnumb="10" loccnume="19"
       expl="4. assertion"
-      sum="0c538e6162e3250c4d1c543725b37a6c"
+      sum="d1e7f5d1a857b4c812defb559b1e2e12"
       proved="true"
       expanded="false"
       shape="assertionaqs_partitionV8V10V2V3V6V5c42Iasorted_subV9V2ainfix +V5c1Aapermut_subV8V10V2ainfix +V5c1Aainfix &lt;=c0V0Lamk arrayV0V9FIainfix &lt;V5V0Aainfix &lt;=V2V5Aainfix &lt;=c0V2Iainfix &gt;=agetV7V11c42Iainfix &lt;=V11V3Aainfix &lt;=V6V11FAainfix =agetV7V12c42Iainfix &lt;V12V6Aainfix &lt;V5V12FAainfix &lt;=agetV7V13c42Iainfix &lt;=V13V5Aainfix &lt;=V2V13FAapermut_subV4V8V2ainfix +V3c1Aainfix &lt;=V6V3Aainfix &lt;V5V6Aainfix &lt;=V2V5Aainfix &lt;=c0V0Lamk arrayV0V7FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V2V3Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -115,7 +115,7 @@
       locfile="../algo64.mlw"
       loclnum="42" loccnumb="10" loccnume="19"
       expl="5. variant decrease"
-      sum="52c1f43c0f3ca61ec2dbcc10b2dc82e7"
+      sum="9a0ba93f55083b56dc73b11952971e5d"
       proved="true"
       expanded="false"
       shape="variant decreaseainfix &lt;ainfix -V3V6ainfix -V3V2Aainfix &lt;=c0ainfix -V3V2Iaqs_partitionV8V10V2V3V6V5c42Iasorted_subV9V2ainfix +V5c1Aapermut_subV8V10V2ainfix +V5c1Aainfix &lt;=c0V0Lamk arrayV0V9FIainfix &lt;V5V0Aainfix &lt;=V2V5Aainfix &lt;=c0V2Iainfix &gt;=agetV7V11c42Iainfix &lt;=V11V3Aainfix &lt;=V6V11FAainfix =agetV7V12c42Iainfix &lt;V12V6Aainfix &lt;V5V12FAainfix &lt;=agetV7V13c42Iainfix &lt;=V13V5Aainfix &lt;=V2V13FAapermut_subV4V8V2ainfix +V3c1Aainfix &lt;=V6V3Aainfix &lt;V5V6Aainfix &lt;=V2V5Aainfix &lt;=c0V0Lamk arrayV0V7FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V2V3Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -135,7 +135,7 @@
       locfile="../algo64.mlw"
       loclnum="42" loccnumb="10" loccnume="19"
       expl="6. precondition"
-      sum="196affa0195b238cc77863b613388948"
+      sum="4cf9a6d2fbf230655e81bd9e1077f30c"
       proved="true"
       expanded="false"
       shape="preconditionainfix &lt;V3V0Aainfix &lt;=V6V3Aainfix &lt;=c0V6Iaqs_partitionV8V10V2V3V6V5c42Iasorted_subV9V2ainfix +V5c1Aapermut_subV8V10V2ainfix +V5c1Aainfix &lt;=c0V0Lamk arrayV0V9FIainfix &lt;V5V0Aainfix &lt;=V2V5Aainfix &lt;=c0V2Iainfix &gt;=agetV7V11c42Iainfix &lt;=V11V3Aainfix &lt;=V6V11FAainfix =agetV7V12c42Iainfix &lt;V12V6Aainfix &lt;V5V12FAainfix &lt;=agetV7V13c42Iainfix &lt;=V13V5Aainfix &lt;=V2V13FAapermut_subV4V8V2ainfix +V3c1Aainfix &lt;=V6V3Aainfix &lt;V5V6Aainfix &lt;=V2V5Aainfix &lt;=c0V0Lamk arrayV0V7FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V2V3Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -155,7 +155,7 @@
       locfile="../algo64.mlw"
       loclnum="42" loccnumb="10" loccnume="19"
       expl="7. assertion"
-      sum="b6304fb1a587b252f32f8ba5993eb223"
+      sum="d66e4148760aa8026127ff6e67f9f59e"
       proved="true"
       expanded="false"
       shape="assertionaqs_partitionV10V12V2V3V6V5c42Iasorted_subV11V6ainfix +V3c1Aapermut_subV10V12V6ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V11FIainfix &lt;V3V0Aainfix &lt;=V6V3Aainfix &lt;=c0V6Iaqs_partitionV8V10V2V3V6V5c42Iasorted_subV9V2ainfix +V5c1Aapermut_subV8V10V2ainfix +V5c1Aainfix &lt;=c0V0Lamk arrayV0V9FIainfix &lt;V5V0Aainfix &lt;=V2V5Aainfix &lt;=c0V2Iainfix &gt;=agetV7V13c42Iainfix &lt;=V13V3Aainfix &lt;=V6V13FAainfix =agetV7V14c42Iainfix &lt;V14V6Aainfix &lt;V5V14FAainfix &lt;=agetV7V15c42Iainfix &lt;=V15V5Aainfix &lt;=V2V15FAapermut_subV4V8V2ainfix +V3c1Aainfix &lt;=V6V3Aainfix &lt;V5V6Aainfix &lt;=V2V5Aainfix &lt;=c0V0Lamk arrayV0V7FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V2V3Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -167,7 +167,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="2.76"/>
+       <result status="valid" time="2.07"/>
       </proof>
      </goal>
      <goal
@@ -175,7 +175,7 @@
       locfile="../algo64.mlw"
       loclnum="42" loccnumb="10" loccnume="19"
       expl="8. postcondition"
-      sum="b193f4b5ea77b7165cabb8807c6c6572"
+      sum="d4f1cbfd97104fff5b918b4646fa6ebd"
       proved="true"
       expanded="false"
       shape="postconditionapermut_subV4V12V2ainfix +V3c1Iaqs_partitionV10V12V2V3V6V5c42Iasorted_subV11V6ainfix +V3c1Aapermut_subV10V12V6ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V11FIainfix &lt;V3V0Aainfix &lt;=V6V3Aainfix &lt;=c0V6Iaqs_partitionV8V10V2V3V6V5c42Iasorted_subV9V2ainfix +V5c1Aapermut_subV8V10V2ainfix +V5c1Aainfix &lt;=c0V0Lamk arrayV0V9FIainfix &lt;V5V0Aainfix &lt;=V2V5Aainfix &lt;=c0V2Iainfix &gt;=agetV7V13c42Iainfix &lt;=V13V3Aainfix &lt;=V6V13FAainfix =agetV7V14c42Iainfix &lt;V14V6Aainfix &lt;V5V14FAainfix &lt;=agetV7V15c42Iainfix &lt;=V15V5Aainfix &lt;=V2V15FAapermut_subV4V8V2ainfix +V3c1Aainfix &lt;=V6V3Aainfix &lt;V5V6Aainfix &lt;=V2V5Aainfix &lt;=c0V0Lamk arrayV0V7FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V2V3Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -195,7 +195,7 @@
       locfile="../algo64.mlw"
       loclnum="42" loccnumb="10" loccnume="19"
       expl="9. postcondition"
-      sum="61a4f820061df46df3597a58f9ad22df"
+      sum="60389eea36e3a45af340b262fedda9b3"
       proved="true"
       expanded="false"
       shape="postconditionasorted_subV11V2ainfix +V3c1Iaqs_partitionV10V12V2V3V6V5c42Iasorted_subV11V6ainfix +V3c1Aapermut_subV10V12V6ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V11FIainfix &lt;V3V0Aainfix &lt;=V6V3Aainfix &lt;=c0V6Iaqs_partitionV8V10V2V3V6V5c42Iasorted_subV9V2ainfix +V5c1Aapermut_subV8V10V2ainfix +V5c1Aainfix &lt;=c0V0Lamk arrayV0V9FIainfix &lt;V5V0Aainfix &lt;=V2V5Aainfix &lt;=c0V2Iainfix &gt;=agetV7V13c42Iainfix &lt;=V13V3Aainfix &lt;=V6V13FAainfix =agetV7V14c42Iainfix &lt;V14V6Aainfix &lt;V5V14FAainfix &lt;=agetV7V15c42Iainfix &lt;=V15V5Aainfix &lt;=V2V15FAapermut_subV4V8V2ainfix +V3c1Aainfix &lt;=V6V3Aainfix &lt;V5V6Aainfix &lt;=V2V5Aainfix &lt;=c0V0Lamk arrayV0V7FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V2V3Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -215,7 +215,7 @@
       locfile="../algo64.mlw"
       loclnum="42" loccnumb="10" loccnume="19"
       expl="10. postcondition"
-      sum="fbd9c334154c5d6e15c0277ed0249b45"
+      sum="aae5b53b9239e2569042d779508c7be5"
       proved="true"
       expanded="false"
       shape="postconditionapermut_subV4V4V2ainfix +V3c1INainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V2V3Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -235,7 +235,7 @@
       locfile="../algo64.mlw"
       loclnum="42" loccnumb="10" loccnume="19"
       expl="11. postcondition"
-      sum="b9ffe8049897cbb8388bec6a64ebcee2"
+      sum="8db76749bdd5a917d54bd193ed583d46"
       proved="true"
       expanded="false"
       shape="postconditionasorted_subV1V2ainfix +V3c1INainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V2V3Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -257,7 +257,7 @@
     locfile="../algo64.mlw"
     loclnum="58" loccnumb="6" loccnume="8"
     expl="VC for qs"
-    sum="17f4d68797b4d32c933dc3a0d50d1db8"
+    sum="2f0ea9a2f922d98d2f297799012fc43d"
     proved="true"
     expanded="false"
     shape="iasorted_subV1c0V0Aapermut_allV2V2asorted_subV4c0V0Aapermut_allV2V5Iasorted_subV4c0ainfix +V3c1Aapermut_subV2V5c0ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V4FAainfix &lt;V3V0Aainfix &lt;=c0V3Aainfix &lt;=c0c0Lainfix -V0c1ainfix &gt;V0c0Iainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -272,7 +272,7 @@
       locfile="../algo64.mlw"
       loclnum="58" loccnumb="6" loccnume="8"
       expl="1. precondition"
-      sum="eb77a1cc047df2f046733ed7101ffe74"
+      sum="8c00f6934f65e9c39f9c09ab73f91279"
       proved="true"
       expanded="false"
       shape="preconditionainfix &lt;V3V0Aainfix &lt;=c0V3Aainfix &lt;=c0c0Lainfix -V0c1Iainfix &gt;V0c0Iainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -292,7 +292,7 @@
       locfile="../algo64.mlw"
       loclnum="58" loccnumb="6" loccnume="8"
       expl="2. postcondition"
-      sum="a7a844ad33c4aeb3c3202614f0177666"
+      sum="01286808ec84d087a5a4b8d7536d0734"
       proved="true"
       expanded="false"
       shape="postconditionapermut_allV2V5Iasorted_subV4c0ainfix +V3c1Aapermut_subV2V5c0ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V4FIainfix &lt;V3V0Aainfix &lt;=c0V3Aainfix &lt;=c0c0Lainfix -V0c1Iainfix &gt;V0c0Iainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -312,7 +312,7 @@
       locfile="../algo64.mlw"
       loclnum="58" loccnumb="6" loccnume="8"
       expl="3. postcondition"
-      sum="7d4d8c2c6ffba710eeec4c1bfa496bfd"
+      sum="703f39eec05db1f34c5aa54e58f9632b"
       proved="true"
       expanded="false"
       shape="postconditionasorted_subV4c0V0Iasorted_subV4c0ainfix +V3c1Aapermut_subV2V5c0ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V4FIainfix &lt;V3V0Aainfix &lt;=c0V3Aainfix &lt;=c0c0Lainfix -V0c1Iainfix &gt;V0c0Iainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -332,7 +332,7 @@
       locfile="../algo64.mlw"
       loclnum="58" loccnumb="6" loccnume="8"
       expl="4. postcondition"
-      sum="23aa129e449a2b3b2ddef5b4cf2c5c6c"
+      sum="61ef3b42c571d3266a8f4837e66b5612"
       proved="true"
       expanded="false"
       shape="postconditionapermut_allV2V2INainfix &gt;V0c0Iainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -352,7 +352,7 @@
       locfile="../algo64.mlw"
       loclnum="58" loccnumb="6" loccnume="8"
       expl="5. postcondition"
-      sum="5bc276fb733c13e0a0d893bc2416f31a"
+      sum="187fbbba680280cd5e202e8e201c087f"
       proved="true"
       expanded="false"
       shape="postconditionasorted_subV1c0V0INainfix &gt;V0c0Iainfix &lt;=c0V0Lamk arrayV0V1F">
diff --git a/examples/algo65/why3session.xml b/examples/algo65/why3session.xml
index f220e0268793ab1695be59862bef4ca949eeeb1a..d3bb4bf7492629f9374c76dda591e15ba5f9e13a 100644
--- a/examples/algo65/why3session.xml
+++ b/examples/algo65/why3session.xml
@@ -20,7 +20,7 @@
     locfile="../algo65.mlw"
     loclnum="35" loccnumb="10" loccnume="14"
     expl="VC for find"
-    sum="3b7631b9c5db86edafd09d6050a2c079"
+    sum="9f315f43ee216dc06949bb2cee43c470"
     proved="true"
     expanded="true"
     shape="iainfix &lt;=agetV1V4agetV1V6Iainfix &lt;=V6V3Aainfix &lt;=V4V6FAainfix &lt;=agetV1V7agetV1V4Iainfix &lt;=V7V4Aainfix &lt;=V2V7FAapermut_subV5V5V2ainfix +V3c1iiainfix &lt;=agetV10V4agetV10V12Iainfix &lt;=V12V3Aainfix &lt;=V4V12FAainfix &lt;=agetV10V13agetV10V4Iainfix &lt;=V13V4Aainfix &lt;=V2V13FAapermut_subV5V11V2ainfix +V3c1Aainfix &gt;=agetV10V14agetV10ainfix -V9c1Aainfix =agetV10V14agetV10V15Aainfix &lt;=V15V3Aainfix &lt;=V9V15EIainfix &lt;=V14V3Aainfix &lt;=V9V14FAapermut_subV11V11V2ainfix +V3c1ainfix &lt;=agetV16V4agetV16V18Iainfix &lt;=V18V3Aainfix &lt;=V4V18FAainfix &lt;=agetV16V19agetV16V4Iainfix &lt;=V19V4Aainfix &lt;=V2V19FAapermut_subV5V17V2ainfix +V3c1Aainfix &gt;=agetV16V20agetV16ainfix -V9c1Aainfix =agetV16V20agetV10V21Aainfix &lt;=V21V3Aainfix &lt;=V9V21EIainfix &lt;=V20V3Aainfix &lt;=V9V20FAainfix =agetV16V22agetV10V22Iainfix &lt;V22V9Aainfix &lt;=V2V22FAapermut_subV11V17V2ainfix +V3c1Iainfix &lt;=agetV16V4agetV16V23Iainfix &lt;=V23V3Aainfix &lt;=V4V23FAainfix &lt;=agetV16V24agetV16V4Iainfix &lt;=V24V4Aainfix &lt;=V9V24FAapermut_subV11V17V9ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V16FAainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V9V4Aainfix &lt;=c0V9Aainfix &lt;ainfix -V3V9ainfix -V3V2Aainfix &lt;=c0ainfix -V3V2ainfix &lt;=V9V4Aainfix &lt;=agetV10V25agetV10ainfix +V8c1Aainfix =agetV10V25agetV10V26Aainfix &lt;=V26V8Aainfix &lt;=V2V26EIainfix &lt;=V25V8Aainfix &lt;=V2V25FAapermut_subV11V11V2ainfix +V3c1iainfix &lt;=agetV27V4agetV27V29Iainfix &lt;=V29V3Aainfix &lt;=V4V29FAainfix &lt;=agetV27V30agetV27V4Iainfix &lt;=V30V4Aainfix &lt;=V2V30FAapermut_subV5V28V2ainfix +V3c1Aainfix &gt;=agetV27V31agetV27ainfix -V9c1Aainfix =agetV27V31agetV27V32Aainfix &lt;=V32V3Aainfix &lt;=V9V32EIainfix &lt;=V31V3Aainfix &lt;=V9V31FAapermut_subV28V28V2ainfix +V3c1ainfix &lt;=agetV33V4agetV33V35Iainfix &lt;=V35V3Aainfix &lt;=V4V35FAainfix &lt;=agetV33V36agetV33V4Iainfix &lt;=V36V4Aainfix &lt;=V2V36FAapermut_subV5V34V2ainfix +V3c1Aainfix &gt;=agetV33V37agetV33ainfix -V9c1Aainfix =agetV33V37agetV27V38Aainfix &lt;=V38V3Aainfix &lt;=V9V38EIainfix &lt;=V37V3Aainfix &lt;=V9V37FAainfix =agetV33V39agetV27V39Iainfix &lt;V39V9Aainfix &lt;=V2V39FAapermut_subV28V34V2ainfix +V3c1Iainfix &lt;=agetV33V4agetV33V40Iainfix &lt;=V40V3Aainfix &lt;=V4V40FAainfix &lt;=agetV33V41agetV33V4Iainfix &lt;=V41V4Aainfix &lt;=V9V41FAapermut_subV28V34V9ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V33FAainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V9V4Aainfix &lt;=c0V9Aainfix &lt;ainfix -V3V9ainfix -V3V2Aainfix &lt;=c0ainfix -V3V2ainfix &lt;=V9V4Aainfix &lt;=agetV27V42agetV27ainfix +V8c1Aainfix =agetV27V42agetV10V43Aainfix &lt;=V43V8Aainfix &lt;=V2V43EIainfix &lt;=V42V8Aainfix &lt;=V2V42FAainfix =agetV27V44agetV10V44Iainfix &lt;=V44V3Aainfix &lt;V8V44FAapermut_subV11V28V2ainfix +V3c1Iainfix &lt;=agetV27V4agetV27V45Iainfix &lt;=V45V8Aainfix &lt;=V4V45FAainfix &lt;=agetV27V46agetV27V4Iainfix &lt;=V46V4Aainfix &lt;=V2V46FAapermut_subV11V28V2ainfix +V8c1Aainfix &lt;=c0V0Lamk arrayV0V27FAainfix &lt;V8V0Aainfix &lt;=V4V8Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;ainfix -V8V2ainfix -V3V2Aainfix &lt;=c0ainfix -V3V2ainfix &lt;=V4V8Iainfix &gt;=agetV10V47c42Iainfix &lt;=V47V3Aainfix &lt;=V9V47FAainfix =agetV10V48c42Iainfix &lt;V48V9Aainfix &lt;V8V48FAainfix &lt;=agetV10V49c42Iainfix &lt;=V49V8Aainfix &lt;=V2V49FAapermut_subV5V11V2ainfix +V3c1Aainfix &lt;=V9V3Aainfix &lt;V8V9Aainfix &lt;=V2V8Aainfix &lt;=c0V0Lamk arrayV0V10FAainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2ainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -35,7 +35,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="1. precondition"
-      sum="69b805c1d73d532ed451e137e2d7ab4f"
+      sum="fd03b7039f429032b9d0146bf179520f"
       proved="true"
       expanded="false"
       shape="preconditionainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -55,7 +55,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="2. variant decrease"
-      sum="54c7c55da6f8d7a35c36b1d6d5c78d96"
+      sum="404c00436e897c8063abf57a1be6cfab"
       proved="true"
       expanded="false"
       shape="variant decreaseainfix &lt;ainfix -V6V2ainfix -V3V2Aainfix &lt;=c0ainfix -V3V2Iainfix &lt;=V4V6Iainfix &gt;=agetV8V10c42Iainfix &lt;=V10V3Aainfix &lt;=V7V10FAainfix =agetV8V11c42Iainfix &lt;V11V7Aainfix &lt;V6V11FAainfix &lt;=agetV8V12c42Iainfix &lt;=V12V6Aainfix &lt;=V2V12FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -75,7 +75,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="3. precondition"
-      sum="4c695774f403b6584101a86de20e6055"
+      sum="e151c262340ffc210b5f8ccfe6e44e72"
       proved="true"
       expanded="false"
       shape="preconditionainfix &lt;V6V0Aainfix &lt;=V4V6Aainfix &lt;=V2V4Aainfix &lt;=c0V2Iainfix &lt;=V4V6Iainfix &gt;=agetV8V10c42Iainfix &lt;=V10V3Aainfix &lt;=V7V10FAainfix =agetV8V11c42Iainfix &lt;V11V7Aainfix &lt;V6V11FAainfix &lt;=agetV8V12c42Iainfix &lt;=V12V6Aainfix &lt;=V2V12FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -95,7 +95,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="4. assertion"
-      sum="ae2a52f42a7752779f199d854e438b7b"
+      sum="2f24ced851e10def2853f94462292aa5"
       proved="true"
       expanded="false"
       shape="assertionapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V12Iainfix &lt;=V12V6Aainfix &lt;=V4V12FAainfix &lt;=agetV10V13agetV10V4Iainfix &lt;=V13V4Aainfix &lt;=V2V13FAapermut_subV9V11V2ainfix +V6c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V6V0Aainfix &lt;=V4V6Aainfix &lt;=V2V4Aainfix &lt;=c0V2Iainfix &lt;=V4V6Iainfix &gt;=agetV8V14c42Iainfix &lt;=V14V3Aainfix &lt;=V7V14FAainfix =agetV8V15c42Iainfix &lt;V15V7Aainfix &lt;V6V15FAainfix &lt;=agetV8V16c42Iainfix &lt;=V16V6Aainfix &lt;=V2V16FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -115,7 +115,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="5. assertion"
-      sum="59044844088ff17c6ab3d5bd3a00a35c"
+      sum="d7f2a69ebbb4ac4a035d1052d5cf4ead"
       proved="true"
       expanded="false"
       shape="assertionainfix =agetV10V12agetV8V12Iainfix &lt;=V12V3Aainfix &lt;V6V12FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V13Iainfix &lt;=V13V6Aainfix &lt;=V4V13FAainfix &lt;=agetV10V14agetV10V4Iainfix &lt;=V14V4Aainfix &lt;=V2V14FAapermut_subV9V11V2ainfix +V6c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V6V0Aainfix &lt;=V4V6Aainfix &lt;=V2V4Aainfix &lt;=c0V2Iainfix &lt;=V4V6Iainfix &gt;=agetV8V15c42Iainfix &lt;=V15V3Aainfix &lt;=V7V15FAainfix =agetV8V16c42Iainfix &lt;V16V7Aainfix &lt;V6V16FAainfix &lt;=agetV8V17c42Iainfix &lt;=V17V6Aainfix &lt;=V2V17FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -135,7 +135,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="6. assertion"
-      sum="50f458cf3cb0ef4991e8aa9d0287e014"
+      sum="deba71ff882c87f03c0133a25126c23f"
       proved="true"
       expanded="true"
       shape="assertionainfix &lt;=agetV10V12agetV10ainfix +V6c1Aainfix =agetV10V12agetV8V13Aainfix &lt;=V13V6Aainfix &lt;=V2V13EIainfix &lt;=V12V6Aainfix &lt;=V2V12FIainfix =agetV10V14agetV8V14Iainfix &lt;=V14V3Aainfix &lt;V6V14FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V15Iainfix &lt;=V15V6Aainfix &lt;=V4V15FAainfix &lt;=agetV10V16agetV10V4Iainfix &lt;=V16V4Aainfix &lt;=V2V16FAapermut_subV9V11V2ainfix +V6c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V6V0Aainfix &lt;=V4V6Aainfix &lt;=V2V4Aainfix &lt;=c0V2Iainfix &lt;=V4V6Iainfix &gt;=agetV8V17c42Iainfix &lt;=V17V3Aainfix &lt;=V7V17FAainfix =agetV8V18c42Iainfix &lt;V18V7Aainfix &lt;V6V18FAainfix &lt;=agetV8V19c42Iainfix &lt;=V19V6Aainfix &lt;=V2V19FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -150,7 +150,7 @@
         locfile="../algo65.mlw"
         loclnum="35" loccnumb="10" loccnume="14"
         expl="1. assertion"
-        sum="23ea31df09aa6cd7f87dc29792a02347"
+        sum="9e9c9717059e8756dace8ddc12984643"
         proved="true"
         expanded="true"
         shape="assertionainfix =agetV10V12agetV8V13Aainfix &lt;=V13V6Aainfix &lt;=V2V13EIainfix &lt;=V12V6Aainfix &lt;=V2V12FIainfix =agetV10V14agetV8V14Iainfix &lt;=V14V3Aainfix &lt;V6V14FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V15Iainfix &lt;=V15V6Aainfix &lt;=V4V15FAainfix &lt;=agetV10V16agetV10V4Iainfix &lt;=V16V4Aainfix &lt;=V2V16FAapermut_subV9V11V2ainfix +V6c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V6V0Aainfix &lt;=V4V6Aainfix &lt;=V2V4Aainfix &lt;=c0V2Iainfix &lt;=V4V6Iainfix &gt;=agetV8V17c42Iainfix &lt;=V17V3Aainfix &lt;=V7V17FAainfix =agetV8V18c42Iainfix &lt;V18V7Aainfix &lt;V6V18FAainfix &lt;=agetV8V19c42Iainfix &lt;=V19V6Aainfix &lt;=V2V19FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -170,7 +170,7 @@
         locfile="../algo65.mlw"
         loclnum="35" loccnumb="10" loccnume="14"
         expl="2. assertion"
-        sum="a7156c9453e5e816af73b9170bf83d18"
+        sum="35f7aa568361918c464a31a49c71fed0"
         proved="true"
         expanded="false"
         shape="assertionainfix &lt;=agetV10V12agetV10ainfix +V6c1Iainfix =agetV10V12agetV8V13Aainfix &lt;=V13V6Aainfix &lt;=V2V13EIainfix &lt;=V12V6Aainfix &lt;=V2V12FIainfix =agetV10V14agetV8V14Iainfix &lt;=V14V3Aainfix &lt;V6V14FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V15Iainfix &lt;=V15V6Aainfix &lt;=V4V15FAainfix &lt;=agetV10V16agetV10V4Iainfix &lt;=V16V4Aainfix &lt;=V2V16FAapermut_subV9V11V2ainfix +V6c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V6V0Aainfix &lt;=V4V6Aainfix &lt;=V2V4Aainfix &lt;=c0V2Iainfix &lt;=V4V6Iainfix &gt;=agetV8V17c42Iainfix &lt;=V17V3Aainfix &lt;=V7V17FAainfix =agetV8V18c42Iainfix &lt;V18V7Aainfix &lt;V6V18FAainfix &lt;=agetV8V19c42Iainfix &lt;=V19V6Aainfix &lt;=V2V19FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -182,7 +182,7 @@
          memlimit="1000"
          obsolete="false"
          archived="false">
-         <result status="valid" time="0.27"/>
+         <result status="valid" time="0.11"/>
         </proof>
        </goal>
       </transf>
@@ -192,7 +192,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="7. variant decrease"
-      sum="f87e8df9ce3c9b57930f79627a5746e9"
+      sum="b591c957a65613108a6cf7bcbd73b8af"
       proved="true"
       expanded="false"
       shape="variant decreaseainfix &lt;ainfix -V3V7ainfix -V3V2Aainfix &lt;=c0ainfix -V3V2Iainfix &lt;=V7V4Iainfix &lt;=agetV10V12agetV10ainfix +V6c1Aainfix =agetV10V12agetV8V13Aainfix &lt;=V13V6Aainfix &lt;=V2V13EIainfix &lt;=V12V6Aainfix &lt;=V2V12FIainfix =agetV10V14agetV8V14Iainfix &lt;=V14V3Aainfix &lt;V6V14FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V15Iainfix &lt;=V15V6Aainfix &lt;=V4V15FAainfix &lt;=agetV10V16agetV10V4Iainfix &lt;=V16V4Aainfix &lt;=V2V16FAapermut_subV9V11V2ainfix +V6c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V6V0Aainfix &lt;=V4V6Aainfix &lt;=V2V4Aainfix &lt;=c0V2Iainfix &lt;=V4V6Iainfix &gt;=agetV8V17c42Iainfix &lt;=V17V3Aainfix &lt;=V7V17FAainfix =agetV8V18c42Iainfix &lt;V18V7Aainfix &lt;V6V18FAainfix &lt;=agetV8V19c42Iainfix &lt;=V19V6Aainfix &lt;=V2V19FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -212,7 +212,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="8. precondition"
-      sum="ee29a22e8e82dff830ebf1ce035cd015"
+      sum="ede4ef32f7823f3c109ae3324635e945"
       proved="true"
       expanded="false"
       shape="preconditionainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V7V4Aainfix &lt;=c0V7Iainfix &lt;=V7V4Iainfix &lt;=agetV10V12agetV10ainfix +V6c1Aainfix =agetV10V12agetV8V13Aainfix &lt;=V13V6Aainfix &lt;=V2V13EIainfix &lt;=V12V6Aainfix &lt;=V2V12FIainfix =agetV10V14agetV8V14Iainfix &lt;=V14V3Aainfix &lt;V6V14FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V15Iainfix &lt;=V15V6Aainfix &lt;=V4V15FAainfix &lt;=agetV10V16agetV10V4Iainfix &lt;=V16V4Aainfix &lt;=V2V16FAapermut_subV9V11V2ainfix +V6c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V6V0Aainfix &lt;=V4V6Aainfix &lt;=V2V4Aainfix &lt;=c0V2Iainfix &lt;=V4V6Iainfix &gt;=agetV8V17c42Iainfix &lt;=V17V3Aainfix &lt;=V7V17FAainfix =agetV8V18c42Iainfix &lt;V18V7Aainfix &lt;V6V18FAainfix &lt;=agetV8V19c42Iainfix &lt;=V19V6Aainfix &lt;=V2V19FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -232,7 +232,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="9. assertion"
-      sum="fabd3a223c8fcd7f1ddea39dcbc44f6d"
+      sum="ef8b4a3acb8ab9a955789b952b78646e"
       proved="true"
       expanded="false"
       shape="assertionapermut_subV11V13V2ainfix +V3c1Iainfix &lt;=agetV12V4agetV12V14Iainfix &lt;=V14V3Aainfix &lt;=V4V14FAainfix &lt;=agetV12V15agetV12V4Iainfix &lt;=V15V4Aainfix &lt;=V7V15FAapermut_subV11V13V7ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V12FIainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V7V4Aainfix &lt;=c0V7Iainfix &lt;=V7V4Iainfix &lt;=agetV10V16agetV10ainfix +V6c1Aainfix =agetV10V16agetV8V17Aainfix &lt;=V17V6Aainfix &lt;=V2V17EIainfix &lt;=V16V6Aainfix &lt;=V2V16FIainfix =agetV10V18agetV8V18Iainfix &lt;=V18V3Aainfix &lt;V6V18FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V19Iainfix &lt;=V19V6Aainfix &lt;=V4V19FAainfix &lt;=agetV10V20agetV10V4Iainfix &lt;=V20V4Aainfix &lt;=V2V20FAapermut_subV9V11V2ainfix +V6c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V6V0Aainfix &lt;=V4V6Aainfix &lt;=V2V4Aainfix &lt;=c0V2Iainfix &lt;=V4V6Iainfix &gt;=agetV8V21c42Iainfix &lt;=V21V3Aainfix &lt;=V7V21FAainfix =agetV8V22c42Iainfix &lt;V22V7Aainfix &lt;V6V22FAainfix &lt;=agetV8V23c42Iainfix &lt;=V23V6Aainfix &lt;=V2V23FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -252,7 +252,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="10. assertion"
-      sum="c9890ff5a00ab1aeff960fc1b0d167e0"
+      sum="d8ed605029649a94511249063ab70667"
       proved="true"
       expanded="false"
       shape="assertionainfix =agetV12V14agetV10V14Iainfix &lt;V14V7Aainfix &lt;=V2V14FIapermut_subV11V13V2ainfix +V3c1Iainfix &lt;=agetV12V4agetV12V15Iainfix &lt;=V15V3Aainfix &lt;=V4V15FAainfix &lt;=agetV12V16agetV12V4Iainfix &lt;=V16V4Aainfix &lt;=V7V16FAapermut_subV11V13V7ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V12FIainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V7V4Aainfix &lt;=c0V7Iainfix &lt;=V7V4Iainfix &lt;=agetV10V17agetV10ainfix +V6c1Aainfix =agetV10V17agetV8V18Aainfix &lt;=V18V6Aainfix &lt;=V2V18EIainfix &lt;=V17V6Aainfix &lt;=V2V17FIainfix =agetV10V19agetV8V19Iainfix &lt;=V19V3Aainfix &lt;V6V19FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V20Iainfix &lt;=V20V6Aainfix &lt;=V4V20FAainfix &lt;=agetV10V21agetV10V4Iainfix &lt;=V21V4Aainfix &lt;=V2V21FAapermut_subV9V11V2ainfix +V6c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V6V0Aainfix &lt;=V4V6Aainfix &lt;=V2V4Aainfix &lt;=c0V2Iainfix &lt;=V4V6Iainfix &gt;=agetV8V22c42Iainfix &lt;=V22V3Aainfix &lt;=V7V22FAainfix =agetV8V23c42Iainfix &lt;V23V7Aainfix &lt;V6V23FAainfix &lt;=agetV8V24c42Iainfix &lt;=V24V6Aainfix &lt;=V2V24FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -272,7 +272,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="11. assertion"
-      sum="2233da0d0b7d56d9b99ab392dfe7113a"
+      sum="1886f7fe52edf0c4ddeb1efae1222573"
       proved="true"
       expanded="false"
       shape="assertionainfix &gt;=agetV12V14agetV12ainfix -V7c1Aainfix =agetV12V14agetV10V15Aainfix &lt;=V15V3Aainfix &lt;=V7V15EIainfix &lt;=V14V3Aainfix &lt;=V7V14FIainfix =agetV12V16agetV10V16Iainfix &lt;V16V7Aainfix &lt;=V2V16FIapermut_subV11V13V2ainfix +V3c1Iainfix &lt;=agetV12V4agetV12V17Iainfix &lt;=V17V3Aainfix &lt;=V4V17FAainfix &lt;=agetV12V18agetV12V4Iainfix &lt;=V18V4Aainfix &lt;=V7V18FAapermut_subV11V13V7ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V12FIainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V7V4Aainfix &lt;=c0V7Iainfix &lt;=V7V4Iainfix &lt;=agetV10V19agetV10ainfix +V6c1Aainfix =agetV10V19agetV8V20Aainfix &lt;=V20V6Aainfix &lt;=V2V20EIainfix &lt;=V19V6Aainfix &lt;=V2V19FIainfix =agetV10V21agetV8V21Iainfix &lt;=V21V3Aainfix &lt;V6V21FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V22Iainfix &lt;=V22V6Aainfix &lt;=V4V22FAainfix &lt;=agetV10V23agetV10V4Iainfix &lt;=V23V4Aainfix &lt;=V2V23FAapermut_subV9V11V2ainfix +V6c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V6V0Aainfix &lt;=V4V6Aainfix &lt;=V2V4Aainfix &lt;=c0V2Iainfix &lt;=V4V6Iainfix &gt;=agetV8V24c42Iainfix &lt;=V24V3Aainfix &lt;=V7V24FAainfix =agetV8V25c42Iainfix &lt;V25V7Aainfix &lt;V6V25FAainfix &lt;=agetV8V26c42Iainfix &lt;=V26V6Aainfix &lt;=V2V26FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -292,7 +292,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="12. postcondition"
-      sum="8522f277a285e088aa63dfb4f759080d"
+      sum="2efc5578ada24ca14ca30630d1718b17"
       proved="true"
       expanded="false"
       shape="postconditionapermut_subV5V13V2ainfix +V3c1Iainfix &gt;=agetV12V14agetV12ainfix -V7c1Aainfix =agetV12V14agetV10V15Aainfix &lt;=V15V3Aainfix &lt;=V7V15EIainfix &lt;=V14V3Aainfix &lt;=V7V14FIainfix =agetV12V16agetV10V16Iainfix &lt;V16V7Aainfix &lt;=V2V16FIapermut_subV11V13V2ainfix +V3c1Iainfix &lt;=agetV12V4agetV12V17Iainfix &lt;=V17V3Aainfix &lt;=V4V17FAainfix &lt;=agetV12V18agetV12V4Iainfix &lt;=V18V4Aainfix &lt;=V7V18FAapermut_subV11V13V7ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V12FIainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V7V4Aainfix &lt;=c0V7Iainfix &lt;=V7V4Iainfix &lt;=agetV10V19agetV10ainfix +V6c1Aainfix =agetV10V19agetV8V20Aainfix &lt;=V20V6Aainfix &lt;=V2V20EIainfix &lt;=V19V6Aainfix &lt;=V2V19FIainfix =agetV10V21agetV8V21Iainfix &lt;=V21V3Aainfix &lt;V6V21FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V22Iainfix &lt;=V22V6Aainfix &lt;=V4V22FAainfix &lt;=agetV10V23agetV10V4Iainfix &lt;=V23V4Aainfix &lt;=V2V23FAapermut_subV9V11V2ainfix +V6c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V6V0Aainfix &lt;=V4V6Aainfix &lt;=V2V4Aainfix &lt;=c0V2Iainfix &lt;=V4V6Iainfix &gt;=agetV8V24c42Iainfix &lt;=V24V3Aainfix &lt;=V7V24FAainfix =agetV8V25c42Iainfix &lt;V25V7Aainfix &lt;V6V25FAainfix &lt;=agetV8V26c42Iainfix &lt;=V26V6Aainfix &lt;=V2V26FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -312,7 +312,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="13. postcondition"
-      sum="3431b6acc1617a0872f4a0730623b36a"
+      sum="4ea014183aed12eede01efecfada4a43"
       proved="true"
       expanded="false"
       shape="postconditionainfix &lt;=agetV12V14agetV12V4Iainfix &lt;=V14V4Aainfix &lt;=V2V14FIainfix &gt;=agetV12V15agetV12ainfix -V7c1Aainfix =agetV12V15agetV10V16Aainfix &lt;=V16V3Aainfix &lt;=V7V16EIainfix &lt;=V15V3Aainfix &lt;=V7V15FIainfix =agetV12V17agetV10V17Iainfix &lt;V17V7Aainfix &lt;=V2V17FIapermut_subV11V13V2ainfix +V3c1Iainfix &lt;=agetV12V4agetV12V18Iainfix &lt;=V18V3Aainfix &lt;=V4V18FAainfix &lt;=agetV12V19agetV12V4Iainfix &lt;=V19V4Aainfix &lt;=V7V19FAapermut_subV11V13V7ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V12FIainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V7V4Aainfix &lt;=c0V7Iainfix &lt;=V7V4Iainfix &lt;=agetV10V20agetV10ainfix +V6c1Aainfix =agetV10V20agetV8V21Aainfix &lt;=V21V6Aainfix &lt;=V2V21EIainfix &lt;=V20V6Aainfix &lt;=V2V20FIainfix =agetV10V22agetV8V22Iainfix &lt;=V22V3Aainfix &lt;V6V22FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V23Iainfix &lt;=V23V6Aainfix &lt;=V4V23FAainfix &lt;=agetV10V24agetV10V4Iainfix &lt;=V24V4Aainfix &lt;=V2V24FAapermut_subV9V11V2ainfix +V6c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V6V0Aainfix &lt;=V4V6Aainfix &lt;=V2V4Aainfix &lt;=c0V2Iainfix &lt;=V4V6Iainfix &gt;=agetV8V25c42Iainfix &lt;=V25V3Aainfix &lt;=V7V25FAainfix =agetV8V26c42Iainfix &lt;V26V7Aainfix &lt;V6V26FAainfix &lt;=agetV8V27c42Iainfix &lt;=V27V6Aainfix &lt;=V2V27FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -332,7 +332,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="14. postcondition"
-      sum="c997c1c61fada61690635965c6edf720"
+      sum="842df88909a89356bcb6501948692214"
       proved="true"
       expanded="false"
       shape="postconditionainfix &lt;=agetV12V4agetV12V14Iainfix &lt;=V14V3Aainfix &lt;=V4V14FIainfix &gt;=agetV12V15agetV12ainfix -V7c1Aainfix =agetV12V15agetV10V16Aainfix &lt;=V16V3Aainfix &lt;=V7V16EIainfix &lt;=V15V3Aainfix &lt;=V7V15FIainfix =agetV12V17agetV10V17Iainfix &lt;V17V7Aainfix &lt;=V2V17FIapermut_subV11V13V2ainfix +V3c1Iainfix &lt;=agetV12V4agetV12V18Iainfix &lt;=V18V3Aainfix &lt;=V4V18FAainfix &lt;=agetV12V19agetV12V4Iainfix &lt;=V19V4Aainfix &lt;=V7V19FAapermut_subV11V13V7ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V12FIainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V7V4Aainfix &lt;=c0V7Iainfix &lt;=V7V4Iainfix &lt;=agetV10V20agetV10ainfix +V6c1Aainfix =agetV10V20agetV8V21Aainfix &lt;=V21V6Aainfix &lt;=V2V21EIainfix &lt;=V20V6Aainfix &lt;=V2V20FIainfix =agetV10V22agetV8V22Iainfix &lt;=V22V3Aainfix &lt;V6V22FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V23Iainfix &lt;=V23V6Aainfix &lt;=V4V23FAainfix &lt;=agetV10V24agetV10V4Iainfix &lt;=V24V4Aainfix &lt;=V2V24FAapermut_subV9V11V2ainfix +V6c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V6V0Aainfix &lt;=V4V6Aainfix &lt;=V2V4Aainfix &lt;=c0V2Iainfix &lt;=V4V6Iainfix &gt;=agetV8V25c42Iainfix &lt;=V25V3Aainfix &lt;=V7V25FAainfix =agetV8V26c42Iainfix &lt;V26V7Aainfix &lt;V6V26FAainfix &lt;=agetV8V27c42Iainfix &lt;=V27V6Aainfix &lt;=V2V27FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -352,7 +352,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="15. assertion"
-      sum="a70b56aad0677963a00e73bc14bade91"
+      sum="950ce49878cb13cc396d7ecbe65e560b"
       proved="true"
       expanded="false"
       shape="assertionapermut_subV11V11V2ainfix +V3c1INainfix &lt;=V7V4Iainfix &lt;=agetV10V12agetV10ainfix +V6c1Aainfix =agetV10V12agetV8V13Aainfix &lt;=V13V6Aainfix &lt;=V2V13EIainfix &lt;=V12V6Aainfix &lt;=V2V12FIainfix =agetV10V14agetV8V14Iainfix &lt;=V14V3Aainfix &lt;V6V14FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V15Iainfix &lt;=V15V6Aainfix &lt;=V4V15FAainfix &lt;=agetV10V16agetV10V4Iainfix &lt;=V16V4Aainfix &lt;=V2V16FAapermut_subV9V11V2ainfix +V6c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V6V0Aainfix &lt;=V4V6Aainfix &lt;=V2V4Aainfix &lt;=c0V2Iainfix &lt;=V4V6Iainfix &gt;=agetV8V17c42Iainfix &lt;=V17V3Aainfix &lt;=V7V17FAainfix =agetV8V18c42Iainfix &lt;V18V7Aainfix &lt;V6V18FAainfix &lt;=agetV8V19c42Iainfix &lt;=V19V6Aainfix &lt;=V2V19FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -372,7 +372,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="16. assertion"
-      sum="05f7fc3989b5a3b8e72636731712ffc6"
+      sum="5f18564703b7ce5acc80d98d86f3d0ef"
       proved="true"
       expanded="false"
       shape="assertionainfix &gt;=agetV10V12agetV10ainfix -V7c1Aainfix =agetV10V12agetV10V13Aainfix &lt;=V13V3Aainfix &lt;=V7V13EIainfix &lt;=V12V3Aainfix &lt;=V7V12FIapermut_subV11V11V2ainfix +V3c1INainfix &lt;=V7V4Iainfix &lt;=agetV10V14agetV10ainfix +V6c1Aainfix =agetV10V14agetV8V15Aainfix &lt;=V15V6Aainfix &lt;=V2V15EIainfix &lt;=V14V6Aainfix &lt;=V2V14FIainfix =agetV10V16agetV8V16Iainfix &lt;=V16V3Aainfix &lt;V6V16FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V17Iainfix &lt;=V17V6Aainfix &lt;=V4V17FAainfix &lt;=agetV10V18agetV10V4Iainfix &lt;=V18V4Aainfix &lt;=V2V18FAapermut_subV9V11V2ainfix +V6c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V6V0Aainfix &lt;=V4V6Aainfix &lt;=V2V4Aainfix &lt;=c0V2Iainfix &lt;=V4V6Iainfix &gt;=agetV8V19c42Iainfix &lt;=V19V3Aainfix &lt;=V7V19FAainfix =agetV8V20c42Iainfix &lt;V20V7Aainfix &lt;V6V20FAainfix &lt;=agetV8V21c42Iainfix &lt;=V21V6Aainfix &lt;=V2V21FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -392,7 +392,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="17. postcondition"
-      sum="589c4686b26960c82c273acdb04dccc1"
+      sum="c0af56367a8e44b115fc67cfbd8ba1f9"
       proved="true"
       expanded="false"
       shape="postconditionapermut_subV5V11V2ainfix +V3c1Iainfix &gt;=agetV10V12agetV10ainfix -V7c1Aainfix =agetV10V12agetV10V13Aainfix &lt;=V13V3Aainfix &lt;=V7V13EIainfix &lt;=V12V3Aainfix &lt;=V7V12FIapermut_subV11V11V2ainfix +V3c1INainfix &lt;=V7V4Iainfix &lt;=agetV10V14agetV10ainfix +V6c1Aainfix =agetV10V14agetV8V15Aainfix &lt;=V15V6Aainfix &lt;=V2V15EIainfix &lt;=V14V6Aainfix &lt;=V2V14FIainfix =agetV10V16agetV8V16Iainfix &lt;=V16V3Aainfix &lt;V6V16FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V17Iainfix &lt;=V17V6Aainfix &lt;=V4V17FAainfix &lt;=agetV10V18agetV10V4Iainfix &lt;=V18V4Aainfix &lt;=V2V18FAapermut_subV9V11V2ainfix +V6c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V6V0Aainfix &lt;=V4V6Aainfix &lt;=V2V4Aainfix &lt;=c0V2Iainfix &lt;=V4V6Iainfix &gt;=agetV8V19c42Iainfix &lt;=V19V3Aainfix &lt;=V7V19FAainfix =agetV8V20c42Iainfix &lt;V20V7Aainfix &lt;V6V20FAainfix &lt;=agetV8V21c42Iainfix &lt;=V21V6Aainfix &lt;=V2V21FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -412,7 +412,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="18. postcondition"
-      sum="2b0e3fb5a17ed6f6202925bbbbcd0dca"
+      sum="6e9b61a3054446201ff548c8aa4d7285"
       proved="true"
       expanded="false"
       shape="postconditionainfix &lt;=agetV10V12agetV10V4Iainfix &lt;=V12V4Aainfix &lt;=V2V12FIainfix &gt;=agetV10V13agetV10ainfix -V7c1Aainfix =agetV10V13agetV10V14Aainfix &lt;=V14V3Aainfix &lt;=V7V14EIainfix &lt;=V13V3Aainfix &lt;=V7V13FIapermut_subV11V11V2ainfix +V3c1INainfix &lt;=V7V4Iainfix &lt;=agetV10V15agetV10ainfix +V6c1Aainfix =agetV10V15agetV8V16Aainfix &lt;=V16V6Aainfix &lt;=V2V16EIainfix &lt;=V15V6Aainfix &lt;=V2V15FIainfix =agetV10V17agetV8V17Iainfix &lt;=V17V3Aainfix &lt;V6V17FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V18Iainfix &lt;=V18V6Aainfix &lt;=V4V18FAainfix &lt;=agetV10V19agetV10V4Iainfix &lt;=V19V4Aainfix &lt;=V2V19FAapermut_subV9V11V2ainfix +V6c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V6V0Aainfix &lt;=V4V6Aainfix &lt;=V2V4Aainfix &lt;=c0V2Iainfix &lt;=V4V6Iainfix &gt;=agetV8V20c42Iainfix &lt;=V20V3Aainfix &lt;=V7V20FAainfix =agetV8V21c42Iainfix &lt;V21V7Aainfix &lt;V6V21FAainfix &lt;=agetV8V22c42Iainfix &lt;=V22V6Aainfix &lt;=V2V22FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -432,7 +432,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="19. postcondition"
-      sum="de10a6ed85f21880d732e2c09cd67338"
+      sum="968ca984febbf2d08097cc42c84ee2c8"
       proved="true"
       expanded="false"
       shape="postconditionainfix &lt;=agetV10V4agetV10V12Iainfix &lt;=V12V3Aainfix &lt;=V4V12FIainfix &gt;=agetV10V13agetV10ainfix -V7c1Aainfix =agetV10V13agetV10V14Aainfix &lt;=V14V3Aainfix &lt;=V7V14EIainfix &lt;=V13V3Aainfix &lt;=V7V13FIapermut_subV11V11V2ainfix +V3c1INainfix &lt;=V7V4Iainfix &lt;=agetV10V15agetV10ainfix +V6c1Aainfix =agetV10V15agetV8V16Aainfix &lt;=V16V6Aainfix &lt;=V2V16EIainfix &lt;=V15V6Aainfix &lt;=V2V15FIainfix =agetV10V17agetV8V17Iainfix &lt;=V17V3Aainfix &lt;V6V17FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V18Iainfix &lt;=V18V6Aainfix &lt;=V4V18FAainfix &lt;=agetV10V19agetV10V4Iainfix &lt;=V19V4Aainfix &lt;=V2V19FAapermut_subV9V11V2ainfix +V6c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V6V0Aainfix &lt;=V4V6Aainfix &lt;=V2V4Aainfix &lt;=c0V2Iainfix &lt;=V4V6Iainfix &gt;=agetV8V20c42Iainfix &lt;=V20V3Aainfix &lt;=V7V20FAainfix =agetV8V21c42Iainfix &lt;V21V7Aainfix &lt;V6V21FAainfix &lt;=agetV8V22c42Iainfix &lt;=V22V6Aainfix &lt;=V2V22FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -452,7 +452,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="20. assertion"
-      sum="65413587627f9713f4db21f264d97a10"
+      sum="c719c4dceb0aa54e64c18bc610201b30"
       proved="true"
       expanded="false"
       shape="assertionapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V4V6Iainfix &gt;=agetV8V10c42Iainfix &lt;=V10V3Aainfix &lt;=V7V10FAainfix =agetV8V11c42Iainfix &lt;V11V7Aainfix &lt;V6V11FAainfix &lt;=agetV8V12c42Iainfix &lt;=V12V6Aainfix &lt;=V2V12FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -472,7 +472,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="21. assertion"
-      sum="59685755610ca66a0bcd992f6affbc0f"
+      sum="619e388fd4f838d87c51573150e7f14b"
       proved="true"
       expanded="false"
       shape="assertionainfix &lt;=agetV8V10agetV8ainfix +V6c1Aainfix =agetV8V10agetV8V11Aainfix &lt;=V11V6Aainfix &lt;=V2V11EIainfix &lt;=V10V6Aainfix &lt;=V2V10FIapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V4V6Iainfix &gt;=agetV8V12c42Iainfix &lt;=V12V3Aainfix &lt;=V7V12FAainfix =agetV8V13c42Iainfix &lt;V13V7Aainfix &lt;V6V13FAainfix &lt;=agetV8V14c42Iainfix &lt;=V14V6Aainfix &lt;=V2V14FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -492,7 +492,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="22. variant decrease"
-      sum="a5379a3eb3986c6f61179238e69bf576"
+      sum="aa82f1a266609fe457789e498106ba3e"
       proved="true"
       expanded="false"
       shape="variant decreaseainfix &lt;ainfix -V3V7ainfix -V3V2Aainfix &lt;=c0ainfix -V3V2Iainfix &lt;=V7V4Iainfix &lt;=agetV8V10agetV8ainfix +V6c1Aainfix =agetV8V10agetV8V11Aainfix &lt;=V11V6Aainfix &lt;=V2V11EIainfix &lt;=V10V6Aainfix &lt;=V2V10FIapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V4V6Iainfix &gt;=agetV8V12c42Iainfix &lt;=V12V3Aainfix &lt;=V7V12FAainfix =agetV8V13c42Iainfix &lt;V13V7Aainfix &lt;V6V13FAainfix &lt;=agetV8V14c42Iainfix &lt;=V14V6Aainfix &lt;=V2V14FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -512,7 +512,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="23. precondition"
-      sum="b08ca6319c6706db53be50066e7078cf"
+      sum="bf9cba714d8d9b38a7349a16da0e8293"
       proved="true"
       expanded="false"
       shape="preconditionainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V7V4Aainfix &lt;=c0V7Iainfix &lt;=V7V4Iainfix &lt;=agetV8V10agetV8ainfix +V6c1Aainfix =agetV8V10agetV8V11Aainfix &lt;=V11V6Aainfix &lt;=V2V11EIainfix &lt;=V10V6Aainfix &lt;=V2V10FIapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V4V6Iainfix &gt;=agetV8V12c42Iainfix &lt;=V12V3Aainfix &lt;=V7V12FAainfix =agetV8V13c42Iainfix &lt;V13V7Aainfix &lt;V6V13FAainfix &lt;=agetV8V14c42Iainfix &lt;=V14V6Aainfix &lt;=V2V14FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -532,7 +532,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="24. assertion"
-      sum="11ff321ab44cdc298fadc94521850cf0"
+      sum="f0bb56f2fe557759fa37822070ec3b90"
       proved="true"
       expanded="false"
       shape="assertionapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V12Iainfix &lt;=V12V3Aainfix &lt;=V4V12FAainfix &lt;=agetV10V13agetV10V4Iainfix &lt;=V13V4Aainfix &lt;=V7V13FAapermut_subV9V11V7ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V7V4Aainfix &lt;=c0V7Iainfix &lt;=V7V4Iainfix &lt;=agetV8V14agetV8ainfix +V6c1Aainfix =agetV8V14agetV8V15Aainfix &lt;=V15V6Aainfix &lt;=V2V15EIainfix &lt;=V14V6Aainfix &lt;=V2V14FIapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V4V6Iainfix &gt;=agetV8V16c42Iainfix &lt;=V16V3Aainfix &lt;=V7V16FAainfix =agetV8V17c42Iainfix &lt;V17V7Aainfix &lt;V6V17FAainfix &lt;=agetV8V18c42Iainfix &lt;=V18V6Aainfix &lt;=V2V18FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -552,7 +552,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="25. assertion"
-      sum="ac4993cfdf9515604ed1e7dfbe600237"
+      sum="7101e902bf2314478b79cf2ae12f0f1f"
       proved="true"
       expanded="false"
       shape="assertionainfix =agetV10V12agetV8V12Iainfix &lt;V12V7Aainfix &lt;=V2V12FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V13Iainfix &lt;=V13V3Aainfix &lt;=V4V13FAainfix &lt;=agetV10V14agetV10V4Iainfix &lt;=V14V4Aainfix &lt;=V7V14FAapermut_subV9V11V7ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V7V4Aainfix &lt;=c0V7Iainfix &lt;=V7V4Iainfix &lt;=agetV8V15agetV8ainfix +V6c1Aainfix =agetV8V15agetV8V16Aainfix &lt;=V16V6Aainfix &lt;=V2V16EIainfix &lt;=V15V6Aainfix &lt;=V2V15FIapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V4V6Iainfix &gt;=agetV8V17c42Iainfix &lt;=V17V3Aainfix &lt;=V7V17FAainfix =agetV8V18c42Iainfix &lt;V18V7Aainfix &lt;V6V18FAainfix &lt;=agetV8V19c42Iainfix &lt;=V19V6Aainfix &lt;=V2V19FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -572,7 +572,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="26. assertion"
-      sum="8db39cdea6a5d4e5971097eaa53be1dd"
+      sum="7039b614caaa8bec365edffe66b88721"
       proved="true"
       expanded="true"
       shape="assertionainfix &gt;=agetV10V12agetV10ainfix -V7c1Aainfix =agetV10V12agetV8V13Aainfix &lt;=V13V3Aainfix &lt;=V7V13EIainfix &lt;=V12V3Aainfix &lt;=V7V12FIainfix =agetV10V14agetV8V14Iainfix &lt;V14V7Aainfix &lt;=V2V14FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V15Iainfix &lt;=V15V3Aainfix &lt;=V4V15FAainfix &lt;=agetV10V16agetV10V4Iainfix &lt;=V16V4Aainfix &lt;=V7V16FAapermut_subV9V11V7ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V7V4Aainfix &lt;=c0V7Iainfix &lt;=V7V4Iainfix &lt;=agetV8V17agetV8ainfix +V6c1Aainfix =agetV8V17agetV8V18Aainfix &lt;=V18V6Aainfix &lt;=V2V18EIainfix &lt;=V17V6Aainfix &lt;=V2V17FIapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V4V6Iainfix &gt;=agetV8V19c42Iainfix &lt;=V19V3Aainfix &lt;=V7V19FAainfix =agetV8V20c42Iainfix &lt;V20V7Aainfix &lt;V6V20FAainfix &lt;=agetV8V21c42Iainfix &lt;=V21V6Aainfix &lt;=V2V21FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -587,7 +587,7 @@
         locfile="../algo65.mlw"
         loclnum="35" loccnumb="10" loccnume="14"
         expl="1. assertion"
-        sum="1e3431f106381593a083fb4f09a519d8"
+        sum="bc920b5a7b833b56d7552ddb5b80e5c3"
         proved="true"
         expanded="true"
         shape="assertionainfix =agetV10V12agetV8V13Aainfix &lt;=V13V3Aainfix &lt;=V7V13EIainfix &lt;=V12V3Aainfix &lt;=V7V12FIainfix =agetV10V14agetV8V14Iainfix &lt;V14V7Aainfix &lt;=V2V14FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V15Iainfix &lt;=V15V3Aainfix &lt;=V4V15FAainfix &lt;=agetV10V16agetV10V4Iainfix &lt;=V16V4Aainfix &lt;=V7V16FAapermut_subV9V11V7ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V7V4Aainfix &lt;=c0V7Iainfix &lt;=V7V4Iainfix &lt;=agetV8V17agetV8ainfix +V6c1Aainfix =agetV8V17agetV8V18Aainfix &lt;=V18V6Aainfix &lt;=V2V18EIainfix &lt;=V17V6Aainfix &lt;=V2V17FIapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V4V6Iainfix &gt;=agetV8V19c42Iainfix &lt;=V19V3Aainfix &lt;=V7V19FAainfix =agetV8V20c42Iainfix &lt;V20V7Aainfix &lt;V6V20FAainfix &lt;=agetV8V21c42Iainfix &lt;=V21V6Aainfix &lt;=V2V21FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -607,7 +607,7 @@
         locfile="../algo65.mlw"
         loclnum="35" loccnumb="10" loccnume="14"
         expl="2. assertion"
-        sum="759ac466ec98bb8514a06f7e8171f14a"
+        sum="c85efc0a01455a1c81a381f8aeefa1a9"
         proved="true"
         expanded="false"
         shape="assertionainfix &gt;=agetV10V12agetV10ainfix -V7c1Iainfix =agetV10V12agetV8V13Aainfix &lt;=V13V3Aainfix &lt;=V7V13EIainfix &lt;=V12V3Aainfix &lt;=V7V12FIainfix =agetV10V14agetV8V14Iainfix &lt;V14V7Aainfix &lt;=V2V14FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V15Iainfix &lt;=V15V3Aainfix &lt;=V4V15FAainfix &lt;=agetV10V16agetV10V4Iainfix &lt;=V16V4Aainfix &lt;=V7V16FAapermut_subV9V11V7ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V7V4Aainfix &lt;=c0V7Iainfix &lt;=V7V4Iainfix &lt;=agetV8V17agetV8ainfix +V6c1Aainfix =agetV8V17agetV8V18Aainfix &lt;=V18V6Aainfix &lt;=V2V18EIainfix &lt;=V17V6Aainfix &lt;=V2V17FIapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V4V6Iainfix &gt;=agetV8V19c42Iainfix &lt;=V19V3Aainfix &lt;=V7V19FAainfix =agetV8V20c42Iainfix &lt;V20V7Aainfix &lt;V6V20FAainfix &lt;=agetV8V21c42Iainfix &lt;=V21V6Aainfix &lt;=V2V21FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -629,7 +629,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="27. postcondition"
-      sum="14de51a6c0da38fd3067684364480776"
+      sum="e380c70cfa91841509eb970592b7f01b"
       proved="true"
       expanded="false"
       shape="postconditionapermut_subV5V11V2ainfix +V3c1Iainfix &gt;=agetV10V12agetV10ainfix -V7c1Aainfix =agetV10V12agetV8V13Aainfix &lt;=V13V3Aainfix &lt;=V7V13EIainfix &lt;=V12V3Aainfix &lt;=V7V12FIainfix =agetV10V14agetV8V14Iainfix &lt;V14V7Aainfix &lt;=V2V14FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V15Iainfix &lt;=V15V3Aainfix &lt;=V4V15FAainfix &lt;=agetV10V16agetV10V4Iainfix &lt;=V16V4Aainfix &lt;=V7V16FAapermut_subV9V11V7ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V7V4Aainfix &lt;=c0V7Iainfix &lt;=V7V4Iainfix &lt;=agetV8V17agetV8ainfix +V6c1Aainfix =agetV8V17agetV8V18Aainfix &lt;=V18V6Aainfix &lt;=V2V18EIainfix &lt;=V17V6Aainfix &lt;=V2V17FIapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V4V6Iainfix &gt;=agetV8V19c42Iainfix &lt;=V19V3Aainfix &lt;=V7V19FAainfix =agetV8V20c42Iainfix &lt;V20V7Aainfix &lt;V6V20FAainfix &lt;=agetV8V21c42Iainfix &lt;=V21V6Aainfix &lt;=V2V21FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -649,7 +649,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="28. postcondition"
-      sum="e06a41079ab98136d2075c65fdcd6f83"
+      sum="802f409969a4aec8d147a2b31cedf52b"
       proved="true"
       expanded="false"
       shape="postconditionainfix &lt;=agetV10V12agetV10V4Iainfix &lt;=V12V4Aainfix &lt;=V2V12FIainfix &gt;=agetV10V13agetV10ainfix -V7c1Aainfix =agetV10V13agetV8V14Aainfix &lt;=V14V3Aainfix &lt;=V7V14EIainfix &lt;=V13V3Aainfix &lt;=V7V13FIainfix =agetV10V15agetV8V15Iainfix &lt;V15V7Aainfix &lt;=V2V15FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V16Iainfix &lt;=V16V3Aainfix &lt;=V4V16FAainfix &lt;=agetV10V17agetV10V4Iainfix &lt;=V17V4Aainfix &lt;=V7V17FAapermut_subV9V11V7ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V7V4Aainfix &lt;=c0V7Iainfix &lt;=V7V4Iainfix &lt;=agetV8V18agetV8ainfix +V6c1Aainfix =agetV8V18agetV8V19Aainfix &lt;=V19V6Aainfix &lt;=V2V19EIainfix &lt;=V18V6Aainfix &lt;=V2V18FIapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V4V6Iainfix &gt;=agetV8V20c42Iainfix &lt;=V20V3Aainfix &lt;=V7V20FAainfix =agetV8V21c42Iainfix &lt;V21V7Aainfix &lt;V6V21FAainfix &lt;=agetV8V22c42Iainfix &lt;=V22V6Aainfix &lt;=V2V22FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -669,7 +669,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="29. postcondition"
-      sum="e4eee3d22bc22a243ebe2ac7ac176c5c"
+      sum="91d1c38faa91aba9418dcd13f270959a"
       proved="true"
       expanded="false"
       shape="postconditionainfix &lt;=agetV10V4agetV10V12Iainfix &lt;=V12V3Aainfix &lt;=V4V12FIainfix &gt;=agetV10V13agetV10ainfix -V7c1Aainfix =agetV10V13agetV8V14Aainfix &lt;=V14V3Aainfix &lt;=V7V14EIainfix &lt;=V13V3Aainfix &lt;=V7V13FIainfix =agetV10V15agetV8V15Iainfix &lt;V15V7Aainfix &lt;=V2V15FIapermut_subV9V11V2ainfix +V3c1Iainfix &lt;=agetV10V4agetV10V16Iainfix &lt;=V16V3Aainfix &lt;=V4V16FAainfix &lt;=agetV10V17agetV10V4Iainfix &lt;=V17V4Aainfix &lt;=V7V17FAapermut_subV9V11V7ainfix +V3c1Aainfix &lt;=c0V0Lamk arrayV0V10FIainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V7V4Aainfix &lt;=c0V7Iainfix &lt;=V7V4Iainfix &lt;=agetV8V18agetV8ainfix +V6c1Aainfix =agetV8V18agetV8V19Aainfix &lt;=V19V6Aainfix &lt;=V2V19EIainfix &lt;=V18V6Aainfix &lt;=V2V18FIapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V4V6Iainfix &gt;=agetV8V20c42Iainfix &lt;=V20V3Aainfix &lt;=V7V20FAainfix =agetV8V21c42Iainfix &lt;V21V7Aainfix &lt;V6V21FAainfix &lt;=agetV8V22c42Iainfix &lt;=V22V6Aainfix &lt;=V2V22FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -689,7 +689,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="30. assertion"
-      sum="5aa9c75312a6559936c50c3be9ff341f"
+      sum="9ab13ce4d91c7892755ed0278f94f3a7"
       proved="true"
       expanded="false"
       shape="assertionapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V7V4Iainfix &lt;=agetV8V10agetV8ainfix +V6c1Aainfix =agetV8V10agetV8V11Aainfix &lt;=V11V6Aainfix &lt;=V2V11EIainfix &lt;=V10V6Aainfix &lt;=V2V10FIapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V4V6Iainfix &gt;=agetV8V12c42Iainfix &lt;=V12V3Aainfix &lt;=V7V12FAainfix =agetV8V13c42Iainfix &lt;V13V7Aainfix &lt;V6V13FAainfix &lt;=agetV8V14c42Iainfix &lt;=V14V6Aainfix &lt;=V2V14FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -709,7 +709,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="31. assertion"
-      sum="1a800f3224cd00d5bf48ab4843a115e7"
+      sum="6b60af46177a8a8a49483c2b25377815"
       proved="true"
       expanded="false"
       shape="assertionainfix &gt;=agetV8V10agetV8ainfix -V7c1Aainfix =agetV8V10agetV8V11Aainfix &lt;=V11V3Aainfix &lt;=V7V11EIainfix &lt;=V10V3Aainfix &lt;=V7V10FIapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V7V4Iainfix &lt;=agetV8V12agetV8ainfix +V6c1Aainfix =agetV8V12agetV8V13Aainfix &lt;=V13V6Aainfix &lt;=V2V13EIainfix &lt;=V12V6Aainfix &lt;=V2V12FIapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V4V6Iainfix &gt;=agetV8V14c42Iainfix &lt;=V14V3Aainfix &lt;=V7V14FAainfix =agetV8V15c42Iainfix &lt;V15V7Aainfix &lt;V6V15FAainfix &lt;=agetV8V16c42Iainfix &lt;=V16V6Aainfix &lt;=V2V16FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -729,7 +729,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="32. postcondition"
-      sum="eda1ab9750d2017acd46359e3bdb8a83"
+      sum="5457c8a8acc9cf7b1ed7c8589f5f0c4f"
       proved="true"
       expanded="false"
       shape="postconditionapermut_subV5V9V2ainfix +V3c1Iainfix &gt;=agetV8V10agetV8ainfix -V7c1Aainfix =agetV8V10agetV8V11Aainfix &lt;=V11V3Aainfix &lt;=V7V11EIainfix &lt;=V10V3Aainfix &lt;=V7V10FIapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V7V4Iainfix &lt;=agetV8V12agetV8ainfix +V6c1Aainfix =agetV8V12agetV8V13Aainfix &lt;=V13V6Aainfix &lt;=V2V13EIainfix &lt;=V12V6Aainfix &lt;=V2V12FIapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V4V6Iainfix &gt;=agetV8V14c42Iainfix &lt;=V14V3Aainfix &lt;=V7V14FAainfix =agetV8V15c42Iainfix &lt;V15V7Aainfix &lt;V6V15FAainfix &lt;=agetV8V16c42Iainfix &lt;=V16V6Aainfix &lt;=V2V16FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -749,7 +749,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="33. postcondition"
-      sum="20327ea67c7258bfbe21093b59ce73ca"
+      sum="b6cb1fb20587b71463ee9f1d4959cab6"
       proved="true"
       expanded="false"
       shape="postconditionainfix &lt;=agetV8V10agetV8V4Iainfix &lt;=V10V4Aainfix &lt;=V2V10FIainfix &gt;=agetV8V11agetV8ainfix -V7c1Aainfix =agetV8V11agetV8V12Aainfix &lt;=V12V3Aainfix &lt;=V7V12EIainfix &lt;=V11V3Aainfix &lt;=V7V11FIapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V7V4Iainfix &lt;=agetV8V13agetV8ainfix +V6c1Aainfix =agetV8V13agetV8V14Aainfix &lt;=V14V6Aainfix &lt;=V2V14EIainfix &lt;=V13V6Aainfix &lt;=V2V13FIapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V4V6Iainfix &gt;=agetV8V15c42Iainfix &lt;=V15V3Aainfix &lt;=V7V15FAainfix =agetV8V16c42Iainfix &lt;V16V7Aainfix &lt;V6V16FAainfix &lt;=agetV8V17c42Iainfix &lt;=V17V6Aainfix &lt;=V2V17FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -769,7 +769,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="34. postcondition"
-      sum="f8bd6a27d2372a8cc1c52d7987aa76be"
+      sum="832336eeb7d4da65f00160b971cf6c7d"
       proved="true"
       expanded="false"
       shape="postconditionainfix &lt;=agetV8V4agetV8V10Iainfix &lt;=V10V3Aainfix &lt;=V4V10FIainfix &gt;=agetV8V11agetV8ainfix -V7c1Aainfix =agetV8V11agetV8V12Aainfix &lt;=V12V3Aainfix &lt;=V7V12EIainfix &lt;=V11V3Aainfix &lt;=V7V11FIapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V7V4Iainfix &lt;=agetV8V13agetV8ainfix +V6c1Aainfix =agetV8V13agetV8V14Aainfix &lt;=V14V6Aainfix &lt;=V2V14EIainfix &lt;=V13V6Aainfix &lt;=V2V13FIapermut_subV9V9V2ainfix +V3c1INainfix &lt;=V4V6Iainfix &gt;=agetV8V15c42Iainfix &lt;=V15V3Aainfix &lt;=V7V15FAainfix =agetV8V16c42Iainfix &lt;V16V7Aainfix &lt;V6V16FAainfix &lt;=agetV8V17c42Iainfix &lt;=V17V6Aainfix &lt;=V2V17FAapermut_subV5V9V2ainfix +V3c1Aainfix &lt;=V7V3Aainfix &lt;V6V7Aainfix &lt;=V2V6Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V3V0Aainfix &lt;V2V3Aainfix &lt;=c0V2Iainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -789,7 +789,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="35. postcondition"
-      sum="78f2dc6d69a2f28530f33db42e75a7f7"
+      sum="c970b7ef42d66b286b79f116cc1d0c5c"
       proved="true"
       expanded="false"
       shape="postconditionapermut_subV5V5V2ainfix +V3c1INainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -809,7 +809,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="36. postcondition"
-      sum="48a81905335a0013a4f116b9e97e4a61"
+      sum="7db365701af31ce5bcf8c766e3e1dc7b"
       proved="true"
       expanded="false"
       shape="postconditionainfix &lt;=agetV1V6agetV1V4Iainfix &lt;=V6V4Aainfix &lt;=V2V6FINainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -829,7 +829,7 @@
       locfile="../algo65.mlw"
       loclnum="35" loccnumb="10" loccnume="14"
       expl="37. postcondition"
-      sum="788dcb7fc48af0bb8840d62742befb79"
+      sum="a6c0c750dca3e92efb7d5006b6c3917d"
       proved="true"
       expanded="false"
       shape="postconditionainfix &lt;=agetV1V4agetV1V6Iainfix &lt;=V6V3Aainfix &lt;=V4V6FINainfix &lt;V2V3Iainfix &lt;V3V0Aainfix &lt;=V4V3Aainfix &lt;=V2V4Aainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1F">
diff --git a/examples/arm/why3session.xml b/examples/arm/why3session.xml
index d87e09409a313d39eb3a977a8c4521fdc3eea34c..85dc8e1db7fe3cb12aa1d4ef294e0a8528456bf2 100644
--- a/examples/arm/why3session.xml
+++ b/examples/arm/why3session.xml
@@ -28,7 +28,7 @@
     locfile="../arm.mlw"
     loclnum="16" loccnumb="6" loccnume="20"
     expl="VC for insertion_sort"
-    sum="7a48ddec008b758b68d1b8f7bf242745"
+    sum="06febdbfc8bb8fcf0669068b174ab836"
     proved="true"
     expanded="false"
     shape="iainfix &lt;=V6c45Aainfix =V7c9Aainfix &lt;=c0V0iainfix &lt;ainfix -c10V16ainfix -c10V5Aainfix &lt;=c0ainfix -c10V5Aainfix &lt;=ainfix *c2V12ainfix *ainfix -V16c2ainfix -V16c1Aainfix =V10ainfix -V16c2AainvV14Aainfix &lt;=V16c11Aainfix &lt;=c2V16Iainfix =V16ainfix +V5c1Fainfix &lt;V22V11Aainfix &lt;=c0V11Aainfix &lt;=ainfix *c2V17ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V22Aainvamk arrayV0V21Aainfix &lt;=V22V5Aainfix &lt;=c1V22Iainfix =V22ainfix -V11c1FIainfix =V21asetV19V20agetV13V11Aainfix &lt;=c0V0FAainfix &lt;V20V0Aainfix &lt;=c0V20Lainfix -V11c1Iainfix =V19asetV13V11agetV13V18Aainfix &lt;=c0V0FAainfix &lt;V11V0Aainfix &lt;=c0V11Aainfix &lt;V18V0Aainfix &lt;=c0V18Lainfix -V11c1Aainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix =V17ainfix +V12c1Fainfix &lt;agetV13V11agetV13V15Aainfix &lt;V11V0Aainfix &lt;=c0V11Aainfix &lt;V15V0Aainfix &lt;=c0V15Aainfix &lt;=c0V0Lainfix -V11c1Iainfix &lt;=ainfix *c2V12ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V11AainvV14Aainfix &lt;=V11V5Aainfix &lt;=c1V11Lamk arrayV0V13FAainfix &lt;=ainfix *c2V6ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V5AainvV9Aainfix &lt;=V5V5Aainfix &lt;=c1V5Iainfix =V10ainfix +V7c1Fainfix &lt;=V5c10Iainfix &lt;=ainfix *c2V6ainfix *ainfix -V5c2ainfix -V5c1Aainfix =V7ainfix -V5c2AainvV9Aainfix &lt;=V5c11Aainfix &lt;=c2V5Lamk arrayV0V8FAainfix &lt;=ainfix *c2V1ainfix *ainfix -c2c2ainfix -c2c1Aainfix =V2ainfix -c2c2AainvV4Aainfix &lt;=c2c11Aainfix &lt;=c2c2Iainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
@@ -43,7 +43,7 @@
       locfile="../arm.mlw"
       loclnum="16" loccnumb="6" loccnume="20"
       expl="1. loop invariant init"
-      sum="16bae8f80b2fdb94a131525dce693d9b"
+      sum="8cf87b3e070181b8fb5eb9cdbb7b1dc2"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix &lt;=ainfix *c2V1ainfix *ainfix -c2c2ainfix -c2c1Aainfix =V2ainfix -c2c2AainvV4Aainfix &lt;=c2c11Aainfix &lt;=c2c2Iainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
@@ -63,7 +63,7 @@
       locfile="../arm.mlw"
       loclnum="16" loccnumb="6" loccnume="20"
       expl="2. loop invariant init"
-      sum="2ad2da6c3d527b36b5cf669396955001"
+      sum="ef3a262df36efc96b1d4f339584dfe21"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix &lt;=ainfix *c2V6ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V5AainvV9Aainfix &lt;=V5V5Aainfix &lt;=c1V5Iainfix =V10ainfix +V7c1FIainfix &lt;=V5c10Iainfix &lt;=ainfix *c2V6ainfix *ainfix -V5c2ainfix -V5c1Aainfix =V7ainfix -V5c2AainvV9Aainfix &lt;=V5c11Aainfix &lt;=c2V5Lamk arrayV0V8FIainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
@@ -83,7 +83,7 @@
       locfile="../arm.mlw"
       loclnum="16" loccnumb="6" loccnume="20"
       expl="3. type invariant"
-      sum="8aa34fcd4d85df8a03e3e75dd114d3bf"
+      sum="f626a1b9f59d904def75836988e58226"
       proved="true"
       expanded="false"
       shape="type invariantainfix &lt;=c0V0Lainfix -V11c1Iainfix &lt;=ainfix *c2V12ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V11AainvV14Aainfix &lt;=V11V5Aainfix &lt;=c1V11Lamk arrayV0V13FIainfix =V10ainfix +V7c1FIainfix &lt;=V5c10Iainfix &lt;=ainfix *c2V6ainfix *ainfix -V5c2ainfix -V5c1Aainfix =V7ainfix -V5c2AainvV9Aainfix &lt;=V5c11Aainfix &lt;=c2V5Lamk arrayV0V8FIainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
@@ -102,11 +102,11 @@
       name="WP_parameter insertion_sort.4"
       locfile="../arm.mlw"
       loclnum="16" loccnumb="6" loccnume="20"
-      expl="4. precondition"
-      sum="f3cde0b7781f4bdd9b3d933373f6ae94"
+      expl="4. index in array bounds"
+      sum="ae3ec21ef89e4896a228767889d9460a"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;V15V0Aainfix &lt;=c0V15Iainfix &lt;=c0V0Lainfix -V11c1Iainfix &lt;=ainfix *c2V12ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V11AainvV14Aainfix &lt;=V11V5Aainfix &lt;=c1V11Lamk arrayV0V13FIainfix =V10ainfix +V7c1FIainfix &lt;=V5c10Iainfix &lt;=ainfix *c2V6ainfix *ainfix -V5c2ainfix -V5c1Aainfix =V7ainfix -V5c2AainvV9Aainfix &lt;=V5c11Aainfix &lt;=c2V5Lamk arrayV0V8FIainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
+      shape="index in array boundsainfix &lt;V15V0Aainfix &lt;=c0V15Iainfix &lt;=c0V0Lainfix -V11c1Iainfix &lt;=ainfix *c2V12ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V11AainvV14Aainfix &lt;=V11V5Aainfix &lt;=c1V11Lamk arrayV0V13FIainfix =V10ainfix +V7c1FIainfix &lt;=V5c10Iainfix &lt;=ainfix *c2V6ainfix *ainfix -V5c2ainfix -V5c1Aainfix =V7ainfix -V5c2AainvV9Aainfix &lt;=V5c11Aainfix &lt;=c2V5Lamk arrayV0V8FIainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
       <label
        name="expl:VC for insertion_sort"/>
       <proof
@@ -122,11 +122,11 @@
       name="WP_parameter insertion_sort.5"
       locfile="../arm.mlw"
       loclnum="16" loccnumb="6" loccnume="20"
-      expl="5. precondition"
-      sum="a00b527335d35f183950c3a6a57c800c"
+      expl="5. index in array bounds"
+      sum="290e68b7c44ac78171d54c0bdadae74c"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix &lt;V15V0Aainfix &lt;=c0V15Aainfix &lt;=c0V0Lainfix -V11c1Iainfix &lt;=ainfix *c2V12ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V11AainvV14Aainfix &lt;=V11V5Aainfix &lt;=c1V11Lamk arrayV0V13FIainfix =V10ainfix +V7c1FIainfix &lt;=V5c10Iainfix &lt;=ainfix *c2V6ainfix *ainfix -V5c2ainfix -V5c1Aainfix =V7ainfix -V5c2AainvV9Aainfix &lt;=V5c11Aainfix &lt;=c2V5Lamk arrayV0V8FIainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
+      shape="index in array boundsainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix &lt;V15V0Aainfix &lt;=c0V15Aainfix &lt;=c0V0Lainfix -V11c1Iainfix &lt;=ainfix *c2V12ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V11AainvV14Aainfix &lt;=V11V5Aainfix &lt;=c1V11Lamk arrayV0V13FIainfix =V10ainfix +V7c1FIainfix &lt;=V5c10Iainfix &lt;=ainfix *c2V6ainfix *ainfix -V5c2ainfix -V5c1Aainfix =V7ainfix -V5c2AainvV9Aainfix &lt;=V5c11Aainfix &lt;=c2V5Lamk arrayV0V8FIainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
       <label
        name="expl:VC for insertion_sort"/>
       <proof
@@ -142,11 +142,11 @@
       name="WP_parameter insertion_sort.6"
       locfile="../arm.mlw"
       loclnum="16" loccnumb="6" loccnume="20"
-      expl="6. precondition"
-      sum="2817f357d1d0daaf96bd42d92178878a"
+      expl="6. index in array bounds"
+      sum="9e7132818779fe98d03e10258cc0089c"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix =V16ainfix +V12c1FIainfix &lt;agetV13V11agetV13V15Iainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix &lt;V15V0Aainfix &lt;=c0V15Aainfix &lt;=c0V0Lainfix -V11c1Iainfix &lt;=ainfix *c2V12ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V11AainvV14Aainfix &lt;=V11V5Aainfix &lt;=c1V11Lamk arrayV0V13FIainfix =V10ainfix +V7c1FIainfix &lt;=V5c10Iainfix &lt;=ainfix *c2V6ainfix *ainfix -V5c2ainfix -V5c1Aainfix =V7ainfix -V5c2AainvV9Aainfix &lt;=V5c11Aainfix &lt;=c2V5Lamk arrayV0V8FIainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
+      shape="index in array boundsainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix =V16ainfix +V12c1FIainfix &lt;agetV13V11agetV13V15Iainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix &lt;V15V0Aainfix &lt;=c0V15Aainfix &lt;=c0V0Lainfix -V11c1Iainfix &lt;=ainfix *c2V12ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V11AainvV14Aainfix &lt;=V11V5Aainfix &lt;=c1V11Lamk arrayV0V13FIainfix =V10ainfix +V7c1FIainfix &lt;=V5c10Iainfix &lt;=ainfix *c2V6ainfix *ainfix -V5c2ainfix -V5c1Aainfix =V7ainfix -V5c2AainvV9Aainfix &lt;=V5c11Aainfix &lt;=c2V5Lamk arrayV0V8FIainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
       <label
        name="expl:VC for insertion_sort"/>
       <proof
@@ -162,11 +162,11 @@
       name="WP_parameter insertion_sort.7"
       locfile="../arm.mlw"
       loclnum="16" loccnumb="6" loccnume="20"
-      expl="7. precondition"
-      sum="410e8a488b88f821d2982e4d5ab9fc0e"
+      expl="7. index in array bounds"
+      sum="848239a95808b61279571abe88004d80"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;V17V0Aainfix &lt;=c0V17Lainfix -V11c1Iainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix =V16ainfix +V12c1FIainfix &lt;agetV13V11agetV13V15Iainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix &lt;V15V0Aainfix &lt;=c0V15Aainfix &lt;=c0V0Lainfix -V11c1Iainfix &lt;=ainfix *c2V12ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V11AainvV14Aainfix &lt;=V11V5Aainfix &lt;=c1V11Lamk arrayV0V13FIainfix =V10ainfix +V7c1FIainfix &lt;=V5c10Iainfix &lt;=ainfix *c2V6ainfix *ainfix -V5c2ainfix -V5c1Aainfix =V7ainfix -V5c2AainvV9Aainfix &lt;=V5c11Aainfix &lt;=c2V5Lamk arrayV0V8FIainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
+      shape="index in array boundsainfix &lt;V17V0Aainfix &lt;=c0V17Lainfix -V11c1Iainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix =V16ainfix +V12c1FIainfix &lt;agetV13V11agetV13V15Iainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix &lt;V15V0Aainfix &lt;=c0V15Aainfix &lt;=c0V0Lainfix -V11c1Iainfix &lt;=ainfix *c2V12ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V11AainvV14Aainfix &lt;=V11V5Aainfix &lt;=c1V11Lamk arrayV0V13FIainfix =V10ainfix +V7c1FIainfix &lt;=V5c10Iainfix &lt;=ainfix *c2V6ainfix *ainfix -V5c2ainfix -V5c1Aainfix =V7ainfix -V5c2AainvV9Aainfix &lt;=V5c11Aainfix &lt;=c2V5Lamk arrayV0V8FIainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
       <label
        name="expl:VC for insertion_sort"/>
       <proof
@@ -175,18 +175,18 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.02"/>
+       <result status="valid" time="0.03"/>
       </proof>
      </goal>
      <goal
       name="WP_parameter insertion_sort.8"
       locfile="../arm.mlw"
       loclnum="16" loccnumb="6" loccnume="20"
-      expl="8. precondition"
-      sum="bf86ad05ac81ba76fc5f8e692763490b"
+      expl="8. index in array bounds"
+      sum="1d4e96d179c604f72fda80210f9f6785"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix &lt;V17V0Aainfix &lt;=c0V17Lainfix -V11c1Iainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix =V16ainfix +V12c1FIainfix &lt;agetV13V11agetV13V15Iainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix &lt;V15V0Aainfix &lt;=c0V15Aainfix &lt;=c0V0Lainfix -V11c1Iainfix &lt;=ainfix *c2V12ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V11AainvV14Aainfix &lt;=V11V5Aainfix &lt;=c1V11Lamk arrayV0V13FIainfix =V10ainfix +V7c1FIainfix &lt;=V5c10Iainfix &lt;=ainfix *c2V6ainfix *ainfix -V5c2ainfix -V5c1Aainfix =V7ainfix -V5c2AainvV9Aainfix &lt;=V5c11Aainfix &lt;=c2V5Lamk arrayV0V8FIainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
+      shape="index in array boundsainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix &lt;V17V0Aainfix &lt;=c0V17Lainfix -V11c1Iainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix =V16ainfix +V12c1FIainfix &lt;agetV13V11agetV13V15Iainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix &lt;V15V0Aainfix &lt;=c0V15Aainfix &lt;=c0V0Lainfix -V11c1Iainfix &lt;=ainfix *c2V12ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V11AainvV14Aainfix &lt;=V11V5Aainfix &lt;=c1V11Lamk arrayV0V13FIainfix =V10ainfix +V7c1FIainfix &lt;=V5c10Iainfix &lt;=ainfix *c2V6ainfix *ainfix -V5c2ainfix -V5c1Aainfix =V7ainfix -V5c2AainvV9Aainfix &lt;=V5c11Aainfix &lt;=c2V5Lamk arrayV0V8FIainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
       <label
        name="expl:VC for insertion_sort"/>
       <proof
@@ -195,18 +195,18 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.03"/>
+       <result status="valid" time="0.02"/>
       </proof>
      </goal>
      <goal
       name="WP_parameter insertion_sort.9"
       locfile="../arm.mlw"
       loclnum="16" loccnumb="6" loccnume="20"
-      expl="9. precondition"
-      sum="de8afaa0ba882ed9d96ef70bae9ed611"
+      expl="9. index in array bounds"
+      sum="0980c1893e6a9b4ee02e907e32e34df4"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;V19V0Aainfix &lt;=c0V19Lainfix -V11c1Iainfix =V18asetV13V11agetV13V17Aainfix &lt;=c0V0FIainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix &lt;V17V0Aainfix &lt;=c0V17Lainfix -V11c1Iainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix =V16ainfix +V12c1FIainfix &lt;agetV13V11agetV13V15Iainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix &lt;V15V0Aainfix &lt;=c0V15Aainfix &lt;=c0V0Lainfix -V11c1Iainfix &lt;=ainfix *c2V12ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V11AainvV14Aainfix &lt;=V11V5Aainfix &lt;=c1V11Lamk arrayV0V13FIainfix =V10ainfix +V7c1FIainfix &lt;=V5c10Iainfix &lt;=ainfix *c2V6ainfix *ainfix -V5c2ainfix -V5c1Aainfix =V7ainfix -V5c2AainvV9Aainfix &lt;=V5c11Aainfix &lt;=c2V5Lamk arrayV0V8FIainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
+      shape="index in array boundsainfix &lt;V19V0Aainfix &lt;=c0V19Lainfix -V11c1Iainfix =V18asetV13V11agetV13V17Aainfix &lt;=c0V0FIainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix &lt;V17V0Aainfix &lt;=c0V17Lainfix -V11c1Iainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix =V16ainfix +V12c1FIainfix &lt;agetV13V11agetV13V15Iainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix &lt;V15V0Aainfix &lt;=c0V15Aainfix &lt;=c0V0Lainfix -V11c1Iainfix &lt;=ainfix *c2V12ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V11AainvV14Aainfix &lt;=V11V5Aainfix &lt;=c1V11Lamk arrayV0V13FIainfix =V10ainfix +V7c1FIainfix &lt;=V5c10Iainfix &lt;=ainfix *c2V6ainfix *ainfix -V5c2ainfix -V5c1Aainfix =V7ainfix -V5c2AainvV9Aainfix &lt;=V5c11Aainfix &lt;=c2V5Lamk arrayV0V8FIainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
       <label
        name="expl:VC for insertion_sort"/>
       <proof
@@ -223,7 +223,7 @@
       locfile="../arm.mlw"
       loclnum="16" loccnumb="6" loccnume="20"
       expl="10. loop invariant preservation"
-      sum="fb28936ec629c82b74d6f1b9866b611d"
+      sum="e6c601832c55c07cc344f13d32106a16"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &lt;=ainfix *c2V16ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V21Aainvamk arrayV0V20Aainfix &lt;=V21V5Aainfix &lt;=c1V21Iainfix =V21ainfix -V11c1FIainfix =V20asetV18V19agetV13V11Aainfix &lt;=c0V0FIainfix &lt;V19V0Aainfix &lt;=c0V19Lainfix -V11c1Iainfix =V18asetV13V11agetV13V17Aainfix &lt;=c0V0FIainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix &lt;V17V0Aainfix &lt;=c0V17Lainfix -V11c1Iainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix =V16ainfix +V12c1FIainfix &lt;agetV13V11agetV13V15Iainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix &lt;V15V0Aainfix &lt;=c0V15Aainfix &lt;=c0V0Lainfix -V11c1Iainfix &lt;=ainfix *c2V12ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V11AainvV14Aainfix &lt;=V11V5Aainfix &lt;=c1V11Lamk arrayV0V13FIainfix =V10ainfix +V7c1FIainfix &lt;=V5c10Iainfix &lt;=ainfix *c2V6ainfix *ainfix -V5c2ainfix -V5c1Aainfix =V7ainfix -V5c2AainvV9Aainfix &lt;=V5c11Aainfix &lt;=c2V5Lamk arrayV0V8FIainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
@@ -243,7 +243,7 @@
       locfile="../arm.mlw"
       loclnum="16" loccnumb="6" loccnume="20"
       expl="11. loop variant decrease"
-      sum="bb0717696a356429f3200e7f13869e10"
+      sum="58e5700a1f33cc3fd3377843a3913b8c"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix &lt;V21V11Aainfix &lt;=c0V11Iainfix =V21ainfix -V11c1FIainfix =V20asetV18V19agetV13V11Aainfix &lt;=c0V0FIainfix &lt;V19V0Aainfix &lt;=c0V19Lainfix -V11c1Iainfix =V18asetV13V11agetV13V17Aainfix &lt;=c0V0FIainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix &lt;V17V0Aainfix &lt;=c0V17Lainfix -V11c1Iainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix =V16ainfix +V12c1FIainfix &lt;agetV13V11agetV13V15Iainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix &lt;V15V0Aainfix &lt;=c0V15Aainfix &lt;=c0V0Lainfix -V11c1Iainfix &lt;=ainfix *c2V12ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V11AainvV14Aainfix &lt;=V11V5Aainfix &lt;=c1V11Lamk arrayV0V13FIainfix =V10ainfix +V7c1FIainfix &lt;=V5c10Iainfix &lt;=ainfix *c2V6ainfix *ainfix -V5c2ainfix -V5c1Aainfix =V7ainfix -V5c2AainvV9Aainfix &lt;=V5c11Aainfix &lt;=c2V5Lamk arrayV0V8FIainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
@@ -263,7 +263,7 @@
       locfile="../arm.mlw"
       loclnum="16" loccnumb="6" loccnume="20"
       expl="12. loop invariant preservation"
-      sum="7c550785fc715b01f54d377db9f2932d"
+      sum="9e02b7b4d04c96e667451d8e09465954"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &lt;=ainfix *c2V12ainfix *ainfix -V16c2ainfix -V16c1Aainfix =V10ainfix -V16c2AainvV14Aainfix &lt;=V16c11Aainfix &lt;=c2V16Iainfix =V16ainfix +V5c1FINainfix &lt;agetV13V11agetV13V15Iainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix &lt;V15V0Aainfix &lt;=c0V15Aainfix &lt;=c0V0Lainfix -V11c1Iainfix &lt;=ainfix *c2V12ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V11AainvV14Aainfix &lt;=V11V5Aainfix &lt;=c1V11Lamk arrayV0V13FIainfix =V10ainfix +V7c1FIainfix &lt;=V5c10Iainfix &lt;=ainfix *c2V6ainfix *ainfix -V5c2ainfix -V5c1Aainfix =V7ainfix -V5c2AainvV9Aainfix &lt;=V5c11Aainfix &lt;=c2V5Lamk arrayV0V8FIainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
@@ -283,7 +283,7 @@
       locfile="../arm.mlw"
       loclnum="16" loccnumb="6" loccnume="20"
       expl="13. loop variant decrease"
-      sum="c7d30e658051c5f31cca5fe19e911972"
+      sum="5fdee6c3110ba46b748158865658ff11"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix &lt;ainfix -c10V16ainfix -c10V5Aainfix &lt;=c0ainfix -c10V5Iainfix =V16ainfix +V5c1FINainfix &lt;agetV13V11agetV13V15Iainfix &lt;V11V0Aainfix &lt;=c0V11Iainfix &lt;V15V0Aainfix &lt;=c0V15Aainfix &lt;=c0V0Lainfix -V11c1Iainfix &lt;=ainfix *c2V12ainfix +ainfix *ainfix -V5c2ainfix -V5c1ainfix *c2ainfix -V5V11AainvV14Aainfix &lt;=V11V5Aainfix &lt;=c1V11Lamk arrayV0V13FIainfix =V10ainfix +V7c1FIainfix &lt;=V5c10Iainfix &lt;=ainfix *c2V6ainfix *ainfix -V5c2ainfix -V5c1Aainfix =V7ainfix -V5c2AainvV9Aainfix &lt;=V5c11Aainfix &lt;=c2V5Lamk arrayV0V8FIainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
@@ -303,7 +303,7 @@
       locfile="../arm.mlw"
       loclnum="16" loccnumb="6" loccnume="20"
       expl="14. type invariant"
-      sum="66cd0b220a514939207b95fdc588f517"
+      sum="bab51a0983af4b2143828fcf7a3c7912"
       proved="true"
       expanded="false"
       shape="type invariantainfix &lt;=c0V0INainfix &lt;=V5c10Iainfix &lt;=ainfix *c2V6ainfix *ainfix -V5c2ainfix -V5c1Aainfix =V7ainfix -V5c2AainvV9Aainfix &lt;=V5c11Aainfix &lt;=c2V5Lamk arrayV0V8FIainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
@@ -323,7 +323,7 @@
       locfile="../arm.mlw"
       loclnum="16" loccnumb="6" loccnume="20"
       expl="15. postcondition"
-      sum="90a60ed59eddbab3896336ed6fa8231c"
+      sum="84650f4a259d4767a0fcaf58c821f2ce"
       proved="true"
       expanded="false"
       shape="postconditionainfix &lt;=V6c45Aainfix =V7c9Iainfix &lt;=c0V0INainfix &lt;=V5c10Iainfix &lt;=ainfix *c2V6ainfix *ainfix -V5c2ainfix -V5c1Aainfix =V7ainfix -V5c2AainvV9Aainfix &lt;=V5c11Aainfix &lt;=c2V5Lamk arrayV0V8FIainfix =V1c0Aainfix =V2c0AainvV4Aainfix &lt;=c0V0Lamk arrayV0V3FF">
@@ -359,7 +359,7 @@
     locfile="../arm.mlw"
     loclnum="120" loccnumb="6" loccnume="18"
     expl="VC for path_init_l2"
-    sum="b7f073634088aae7b5aaf2b40c15baf4"
+    sum="b1e6332cf78bce93567776b299146375"
     proved="true"
     expanded="false"
     shape="ainv_l2V5V0V2Iainfix =V5amixfix [&lt;-]V1ainfix -V0c16V4FIainfix =V4c2FIainfix =V3c0FIainfix =V2c0FIainvV1AaseparationV0F">
@@ -387,7 +387,7 @@
     locfile="../arm.mlw"
     loclnum="127" loccnumb="6" loccnume="18"
     expl="VC for path_l2_exit"
-    sum="7985bd31cb47c770cc076d13e2aa0786"
+    sum="d10152cbb8b048fc4c8f4bc2867440e4"
     proved="true"
     expanded="false"
     shape="ainfix =V0c9Iainfix =V4aFalseIainfix &lt;=V3c10qainfix =V4aTrueFIainfix =V3amixfix []V2ainfix -V1c16FIainv_l2V2V1V0AaseparationV1F">
diff --git a/examples/assigning_meanings_to_programs/why3session.xml b/examples/assigning_meanings_to_programs/why3session.xml
index eda3797be2279b86dfb308e122ee47c615f92443..4df4f256fb57d0afa87e8be33a7a01ebbed824b1 100644
--- a/examples/assigning_meanings_to_programs/why3session.xml
+++ b/examples/assigning_meanings_to_programs/why3session.xml
@@ -24,7 +24,7 @@
     locfile="../assigning_meanings_to_programs.mlw"
     loclnum="12" loccnumb="6" loccnume="9"
     expl="VC for sum"
-    sum="a22a8b12b1c0d38016349831b652911b"
+    sum="329d3acbda193f226c9e300474bf832a"
     proved="true"
     expanded="true"
     shape="iainfix =V3asumV1c1ainfix +V2c1ainfix &lt;ainfix -V2V6ainfix -V2V4Aainfix &lt;=c0ainfix -V2V4Aainfix =V5asumV1c1V6Aainfix &lt;=V6ainfix +V2c1Aainfix &lt;=c1V6Iainfix =V6ainfix +V4c1FIainfix =V5ainfix +V3agetV1V4FAainfix &lt;V4V0Aainfix &lt;=c0V4ainfix &lt;=V4V2Iainfix =V3asumV1c1V4Aainfix &lt;=V4ainfix +V2c1Aainfix &lt;=c1V4FAainfix =c0asumV1c1c1Aainfix &lt;=c1ainfix +V2c1Aainfix &lt;=c1c1Iainfix &lt;V2V0Aainfix &lt;=c0V2Aainfix &lt;=c0V0F">
@@ -51,7 +51,7 @@
     locfile="../assigning_meanings_to_programs.mlw"
     loclnum="38" loccnumb="6" loccnume="14"
     expl="VC for division"
-    sum="f5a622ea8cf386291b709e9e4e6ad22a"
+    sum="188bd14860a30ee027c058f8c34ad87a"
     proved="true"
     expanded="true"
     shape="iainfix =V0ainfix +ainfix *V3V1V2Aainfix &lt;V2V1Aainfix &lt;=c0V2ainfix &lt;V4V2Aainfix &lt;=c0V2Aainfix =V0ainfix +ainfix *V5V1V4Aainfix &lt;=c0V4Iainfix =V5ainfix +V3c1FIainfix =V4ainfix -V2V1Fainfix &gt;=V2V1Iainfix =V0ainfix +ainfix *V3V1V2Aainfix &lt;=c0V2FAainfix =V0ainfix +ainfix *c0V1V0Aainfix &lt;=c0V0Iainfix &lt;c0V1Aainfix &lt;=c0V0F">
diff --git a/examples/balance/why3session.xml b/examples/balance/why3session.xml
index 22ab58d123c23745590305610c2a50b4c84715ad..16e871394fd9a308cac88814fa786a310bbb8235 100644
--- a/examples/balance/why3session.xml
+++ b/examples/balance/why3session.xml
@@ -20,7 +20,7 @@
     locfile="../balance.mlw"
     loclnum="30" loccnumb="6" loccnume="12"
     expl="VC for solve3"
-    sum="61ba3368e43fbedfd0d77a85c221861d"
+    sum="3ad2ea87083b374f53889b0a9978f4c5"
     proved="true"
     expanded="true"
     shape="iainfix =iainfix +V2c2ainfix +V2c1ainfix &gt;agetV1V2agetV1V6V3Aainfix &lt;V2V0Aainfix &lt;=c0V2Aainfix &lt;V6V0Aainfix &lt;=c0V6Lainfix +V2c1ainfix =V2V3ainfix &lt;agetV1V2agetV1V5Aainfix &lt;V2V0Aainfix &lt;=c0V2Aainfix &lt;V5V0Aainfix &lt;=c0V5Lainfix +V2c1Iaspecamk arrayV0V1V2ainfix +V2c3V3V4Aainfix &lt;=c0V0F">
@@ -40,7 +40,7 @@
     locfile="../balance.mlw"
     loclnum="39" loccnumb="6" loccnume="12"
     expl="VC for solve8"
-    sum="c7e175f18776c2a5fe136fb90574093f"
+    sum="d31361585e559e5c179090a88a5ccdeb"
     proved="true"
     expanded="true"
     shape="iiainfix =ic7c6ainfix &lt;agetV1c6agetV1c7V2Aainfix &lt;c6V0Aainfix &lt;=c0c6Aainfix &lt;c7V0Aainfix &lt;=c0c7aspecV4c3ainfix +c3c3V2V3ainfix &gt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Aainfix &lt;c0V0Aainfix &lt;=c0c0Aainfix &lt;c1V0Aainfix &lt;=c0c1Aainfix &lt;c2V0Aainfix &lt;=c0c2Aainfix &lt;c3V0Aainfix &lt;=c0c3Aainfix &lt;c4V0Aainfix &lt;=c0c4Aainfix &lt;c5V0Aainfix &lt;=c0c5aspecV4c0ainfix +c0c3V2V3ainfix &lt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Aainfix &lt;c0V0Aainfix &lt;=c0c0Aainfix &lt;c1V0Aainfix &lt;=c0c1Aainfix &lt;c2V0Aainfix &lt;=c0c2Aainfix &lt;c3V0Aainfix &lt;=c0c3Aainfix &lt;c4V0Aainfix &lt;=c0c4Aainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -54,11 +54,11 @@
       name="WP_parameter solve8.1"
       locfile="../balance.mlw"
       loclnum="39" loccnumb="6" loccnume="12"
-      expl="1. precondition"
-      sum="6a926496ec2fc5fae3feee17218eafab"
+      expl="1. index in array bounds"
+      sum="b2d40a695281102206c57ffef269a7bb"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for solve8"/>
       <proof
@@ -74,11 +74,11 @@
       name="WP_parameter solve8.2"
       locfile="../balance.mlw"
       loclnum="39" loccnumb="6" loccnume="12"
-      expl="2. precondition"
-      sum="975c6025bde09cff09e970371f18f543"
+      expl="2. index in array bounds"
+      sum="9c6175549bbf28b86d966b903bac4e62"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for solve8"/>
       <proof
@@ -94,11 +94,11 @@
       name="WP_parameter solve8.3"
       locfile="../balance.mlw"
       loclnum="39" loccnumb="6" loccnume="12"
-      expl="3. precondition"
-      sum="479606dd06d14fc5f000f81557cd09e9"
+      expl="3. index in array bounds"
+      sum="f6912272fe1d882bc93fc208c49f7818"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for solve8"/>
       <proof
@@ -107,18 +107,18 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.00"/>
+       <result status="valid" time="0.01"/>
       </proof>
      </goal>
      <goal
       name="WP_parameter solve8.4"
       locfile="../balance.mlw"
       loclnum="39" loccnumb="6" loccnume="12"
-      expl="4. precondition"
-      sum="9b1074d5dcdc780843225fac52f28c88"
+      expl="4. index in array bounds"
+      sum="312128fcc4d69b83a16700ff15607aff"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for solve8"/>
       <proof
@@ -134,11 +134,11 @@
       name="WP_parameter solve8.5"
       locfile="../balance.mlw"
       loclnum="39" loccnumb="6" loccnume="12"
-      expl="5. precondition"
-      sum="ae8999d91cac2dc2f9f0c03bd79676b3"
+      expl="5. index in array bounds"
+      sum="c39db593354d8d388a14517730b5a4ae"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for solve8"/>
       <proof
@@ -147,18 +147,18 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.02"/>
+       <result status="valid" time="0.03"/>
       </proof>
      </goal>
      <goal
       name="WP_parameter solve8.6"
       locfile="../balance.mlw"
       loclnum="39" loccnumb="6" loccnume="12"
-      expl="6. precondition"
-      sum="58a91047781856be201c8e4623240d88"
+      expl="6. index in array bounds"
+      sum="d48753cf76cd4c110f08b345e58b0577"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for solve8"/>
       <proof
@@ -167,7 +167,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.01"/>
+       <result status="valid" time="0.00"/>
       </proof>
      </goal>
      <goal
@@ -175,7 +175,7 @@
       locfile="../balance.mlw"
       loclnum="39" loccnumb="6" loccnume="12"
       expl="7. precondition"
-      sum="34f24aec5759081fee36b1644c8429a2"
+      sum="013f897984932d02e06a771270dc3d1f"
       proved="true"
       expanded="false"
       shape="preconditionaspecV4c0ainfix +c0c3V2V3Iainfix &lt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -194,11 +194,11 @@
       name="WP_parameter solve8.8"
       locfile="../balance.mlw"
       loclnum="39" loccnumb="6" loccnume="12"
-      expl="8. precondition"
-      sum="88e96f60b490680d6c249a30486ace46"
+      expl="8. index in array bounds"
+      sum="1ceb9b706381e5de75351694ecf8dbe0"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;c5V0Aainfix &lt;=c0c5INainfix &lt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;c5V0Aainfix &lt;=c0c5INainfix &lt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for solve8"/>
       <proof
@@ -207,18 +207,18 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.03"/>
+       <result status="valid" time="0.02"/>
       </proof>
      </goal>
      <goal
       name="WP_parameter solve8.9"
       locfile="../balance.mlw"
       loclnum="39" loccnumb="6" loccnume="12"
-      expl="9. precondition"
-      sum="ac6ac6f1a460a5f86a3f2adf3ac50014"
+      expl="9. index in array bounds"
+      sum="b0aa1e8c453fb14a0c496427fe72c261"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5INainfix &lt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5INainfix &lt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for solve8"/>
       <proof
@@ -234,11 +234,11 @@
       name="WP_parameter solve8.10"
       locfile="../balance.mlw"
       loclnum="39" loccnumb="6" loccnume="12"
-      expl="10. precondition"
-      sum="09e57bdf69b9d7e778bfcbec3f7b54eb"
+      expl="10. index in array bounds"
+      sum="4d642559ec83039923a2496f4e23c8dd"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5INainfix &lt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5INainfix &lt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for solve8"/>
       <proof
@@ -247,18 +247,18 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.01"/>
+       <result status="valid" time="0.00"/>
       </proof>
      </goal>
      <goal
       name="WP_parameter solve8.11"
       locfile="../balance.mlw"
       loclnum="39" loccnumb="6" loccnume="12"
-      expl="11. precondition"
-      sum="38b655ba3c73a177cfbf78b8baa6082a"
+      expl="11. index in array bounds"
+      sum="ccc3323c04090655cab8a1ff7873574b"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5INainfix &lt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5INainfix &lt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for solve8"/>
       <proof
@@ -274,11 +274,11 @@
       name="WP_parameter solve8.12"
       locfile="../balance.mlw"
       loclnum="39" loccnumb="6" loccnume="12"
-      expl="12. precondition"
-      sum="6d2c10b66c462a0d9b0f19a794da2a87"
+      expl="12. index in array bounds"
+      sum="2408d061a0b1ecd4c87f16d7e41725ae"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5INainfix &lt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5INainfix &lt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for solve8"/>
       <proof
@@ -294,11 +294,11 @@
       name="WP_parameter solve8.13"
       locfile="../balance.mlw"
       loclnum="39" loccnumb="6" loccnume="12"
-      expl="13. precondition"
-      sum="b47140fc58b644b4ac9d5b7679aee6f6"
+      expl="13. index in array bounds"
+      sum="690c698a413c66bc1693b12cb66955c7"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5INainfix &lt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5INainfix &lt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for solve8"/>
       <proof
@@ -315,7 +315,7 @@
       locfile="../balance.mlw"
       loclnum="39" loccnumb="6" loccnume="12"
       expl="14. precondition"
-      sum="b3b8375d53b28e76a2d3682683a3c898"
+      sum="2620171d7414e045b8365fbe66eb3348"
       proved="true"
       expanded="false"
       shape="preconditionaspecV4c3ainfix +c3c3V2V3Iainfix &gt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5INainfix &lt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -334,11 +334,11 @@
       name="WP_parameter solve8.15"
       locfile="../balance.mlw"
       loclnum="39" loccnumb="6" loccnume="12"
-      expl="15. precondition"
-      sum="831d05791c705cdc721163d39eecd416"
+      expl="15. index in array bounds"
+      sum="d9200f7b3d36b8483637f1183b331206"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;c7V0Aainfix &lt;=c0c7INainfix &gt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5INainfix &lt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;c7V0Aainfix &lt;=c0c7INainfix &gt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5INainfix &lt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for solve8"/>
       <proof
@@ -354,11 +354,11 @@
       name="WP_parameter solve8.16"
       locfile="../balance.mlw"
       loclnum="39" loccnumb="6" loccnume="12"
-      expl="16. precondition"
-      sum="a62bd0cff55006d72867d31f0d27a80d"
+      expl="16. index in array bounds"
+      sum="2fa7c6a4347a6f7978963a52fc87741f"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;c6V0Aainfix &lt;=c0c6Iainfix &lt;c7V0Aainfix &lt;=c0c7INainfix &gt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5INainfix &lt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;c6V0Aainfix &lt;=c0c6Iainfix &lt;c7V0Aainfix &lt;=c0c7INainfix &gt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5INainfix &lt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for solve8"/>
       <proof
@@ -367,7 +367,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.00"/>
+       <result status="valid" time="0.01"/>
       </proof>
      </goal>
      <goal
@@ -375,7 +375,7 @@
       locfile="../balance.mlw"
       loclnum="39" loccnumb="6" loccnume="12"
       expl="17. postcondition"
-      sum="2440fb80af7ec657e33026f1e85b604f"
+      sum="a3b67d2c6ba952e455a09a5cdfe83011"
       proved="true"
       expanded="true"
       shape="postconditionainfix =ic7c6ainfix &lt;agetV1c6agetV1c7V2Iainfix &lt;c6V0Aainfix &lt;=c0c6Iainfix &lt;c7V0Aainfix &lt;=c0c7INainfix &gt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5INainfix &lt;ainfix +ainfix +agetV1c0agetV1c1agetV1c2ainfix +ainfix +agetV1c3agetV1c4agetV1c5Iainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix &lt;c4V0Aainfix &lt;=c0c4Iainfix &lt;c5V0Aainfix &lt;=c0c5IaspecV4c0c8V2V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
diff --git a/examples/bellman_ford/why3session.xml b/examples/bellman_ford/why3session.xml
index 7b24bbc9c21d49a747253ee4d43ffcb532f3838e..a78da2b2a6a1e706957be01e0d575e2b643308ac 100644
--- a/examples/bellman_ford/why3session.xml
+++ b/examples/bellman_ford/why3session.xml
@@ -200,7 +200,7 @@
     name="key_lemma_2"
     locfile="../bellman_ford.mlw"
     loclnum="172" loccnumb="8" loccnume="19"
-    sum="0125752e5e1e60016c4b513d6a148136"
+    sum="54f1a885649f0bed3927a75b8ea9b234"
     proved="true"
     expanded="true"
     shape="Nanegative_cycleV1FIainv2V0aedgesIainv1V0acardinalaverticesaemptyF">
@@ -219,7 +219,7 @@
     locfile="../bellman_ford.mlw"
     loclnum="176" loccnumb="6" loccnume="11"
     expl="VC for relax"
-    sum="e951c560f1b2d951f03129285bb392ba"
+    sum="c8aca1da4f4de0d9216d3c5171abaf0b"
     proved="true"
     expanded="true"
     shape="iainv1V0V3aaddaTuple2V1V2V4ainv1V5V3aaddaTuple2V1V2V4Iainfix =V5asetV0V2CaInfiniteaInfiniteaFiniteainfix +V6aweightV1V2aFiniteVagetV0V1FCfaInfiniteCtaInfiniteainfix &lt;ainfix +V7aweightV1V2V8aFiniteVagetV0V2aFiniteVagetV0V1Iainv1V0V3V4ANamemaTuple2V1V2V4AamemaTuple2V1V2aedgesAainfix &lt;=c1V3F">
@@ -234,7 +234,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="176" loccnumb="6" loccnume="11"
       expl="1. postcondition"
-      sum="369e5108a3570af8f96248b4de55f05c"
+      sum="f58b8f56169155e93b18ccbc45fab278"
       proved="true"
       expanded="true"
       shape="postconditionainv1V5V3aaddaTuple2V1V2V4Iainfix =V5asetV0V2CaInfiniteaInfiniteaFiniteainfix +V6aweightV1V2aFiniteVagetV0V1FICfaInfiniteCtaInfiniteainfix &lt;ainfix +V7aweightV1V2V8aFiniteVagetV0V2aFiniteVagetV0V1Iainv1V0V3V4ANamemaTuple2V1V2V4AamemaTuple2V1V2aedgesAainfix &lt;=c1V3F">
@@ -249,7 +249,7 @@
         locfile="../bellman_ford.mlw"
         loclnum="176" loccnumb="6" loccnume="11"
         expl="1. postcondition"
-        sum="33b7a58a4bf3b34eea036cc0e48151eb"
+        sum="64e386e4036b488e35e60cf823b9a6c5"
         proved="true"
         expanded="true"
         shape="postconditionCainfix &gt;=ainfix +apath_weightV9V8aweightV8V6V7IamemaTuple2V8V6aaddaTuple2V1V2V4Iainfix &lt;alengthV9V3IapathasV9V8FAainfix &gt;=apath_weightV10V6V7Iainfix &lt;alengthV10V3IapathasV10V6FAainfix =apath_weightV11V6V7AapathasV11V6EaFiniteVainfix &gt;=alengthV13V3IapathasV13V12FIamemaTuple2V12V6aaddaTuple2V1V2V4FAainfix &gt;=alengthV14V3IapathasV14V6FaInfiniteamixfix []V5V6IamemV6averticesFIainfix =V5asetV0V2CaInfiniteaInfiniteaFiniteainfix +V15aweightV1V2aFiniteVagetV0V1FICfaInfiniteCtaInfiniteainfix &lt;ainfix +V16aweightV1V2V17aFiniteVagetV0V2aFiniteVagetV0V1ICainfix &gt;=ainfix +apath_weightV21V20aweightV20V18V19IamemaTuple2V20V18V4Iainfix &lt;alengthV21V3IapathasV21V20FAainfix &gt;=apath_weightV22V18V19Iainfix &lt;alengthV22V3IapathasV22V18FAainfix =apath_weightV23V18V19AapathasV23V18EaFiniteVainfix &gt;=alengthV25V3IapathasV25V24FIamemaTuple2V24V18V4FAainfix &gt;=alengthV26V3IapathasV26V18FaInfiniteamixfix []V0V18IamemV18averticesFANamemaTuple2V1V2V4AamemaTuple2V1V2aedgesAainfix =c1V3Oainfix &lt;c1V3F">
@@ -264,7 +264,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="176" loccnumb="6" loccnume="11"
           expl="1. postcondition"
-          sum="36a09710f0b274130b9fd52b99b54995"
+          sum="6eb78775de868eb95601e7b18f6773b7"
           proved="true"
           expanded="true"
           shape="postconditionCainfix =apath_weightV8V6V7AapathasV8V6EaFiniteVtaInfiniteamixfix []V5V6IamemV6averticesFIainfix =V5asetV0V2CaInfiniteaInfiniteaFiniteainfix +V9aweightV1V2aFiniteVagetV0V1FICfaInfiniteCtaInfiniteainfix &lt;ainfix +V10aweightV1V2V11aFiniteVagetV0V2aFiniteVagetV0V1ICainfix &gt;=ainfix +apath_weightV15V14aweightV14V12V13IamemaTuple2V14V12V4Iainfix &lt;alengthV15V3IapathasV15V14FAainfix &gt;=apath_weightV16V12V13Iainfix &lt;alengthV16V3IapathasV16V12FAainfix =apath_weightV17V12V13AapathasV17V12EaFiniteVainfix &gt;=alengthV19V3IapathasV19V18FIamemaTuple2V18V12V4FAainfix &gt;=alengthV20V3IapathasV20V12FaInfiniteamixfix []V0V12IamemV12averticesFANamemaTuple2V1V2V4AamemaTuple2V1V2aedgesAainfix =c1V3Oainfix &lt;c1V3F">
@@ -285,7 +285,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="176" loccnumb="6" loccnume="11"
           expl="2. postcondition"
-          sum="990db07169965a0eafb52a1d45cb303e"
+          sum="07eba022f7a4038d7b4c32e2e7479489"
           proved="true"
           expanded="true"
           shape="postconditionCainfix &gt;=apath_weightV8V6V7Iainfix &lt;alengthV8V3IapathasV8V6FaFiniteVtaInfiniteamixfix []V5V6IamemV6averticesFIainfix =V5asetV0V2CaInfiniteaInfiniteaFiniteainfix +V9aweightV1V2aFiniteVagetV0V1FICfaInfiniteCtaInfiniteainfix &lt;ainfix +V10aweightV1V2V11aFiniteVagetV0V2aFiniteVagetV0V1ICainfix &gt;=ainfix +apath_weightV15V14aweightV14V12V13IamemaTuple2V14V12V4Iainfix &lt;alengthV15V3IapathasV15V14FAainfix &gt;=apath_weightV16V12V13Iainfix &lt;alengthV16V3IapathasV16V12FAainfix =apath_weightV17V12V13AapathasV17V12EaFiniteVainfix &gt;=alengthV19V3IapathasV19V18FIamemaTuple2V18V12V4FAainfix &gt;=alengthV20V3IapathasV20V12FaInfiniteamixfix []V0V12IamemV12averticesFANamemaTuple2V1V2V4AamemaTuple2V1V2aedgesAainfix =c1V3Oainfix &lt;c1V3F">
@@ -305,7 +305,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="176" loccnumb="6" loccnume="11"
           expl="3. postcondition"
-          sum="8b0b1ae8a59550c7d82fc1e489817722"
+          sum="c9aff1b7364c86e4babf309ba2a2eb33"
           proved="true"
           expanded="true"
           shape="postconditionCainfix &gt;=ainfix +apath_weightV9V8aweightV8V6V7IamemaTuple2V8V6aaddaTuple2V1V2V4Iainfix &lt;alengthV9V3IapathasV9V8FaFiniteVtaInfiniteamixfix []V5V6IamemV6averticesFIainfix =V5asetV0V2CaInfiniteaInfiniteaFiniteainfix +V10aweightV1V2aFiniteVagetV0V1FICfaInfiniteCtaInfiniteainfix &lt;ainfix +V11aweightV1V2V12aFiniteVagetV0V2aFiniteVagetV0V1ICainfix &gt;=ainfix +apath_weightV16V15aweightV15V13V14IamemaTuple2V15V13V4Iainfix &lt;alengthV16V3IapathasV16V15FAainfix &gt;=apath_weightV17V13V14Iainfix &lt;alengthV17V3IapathasV17V13FAainfix =apath_weightV18V13V14AapathasV18V13EaFiniteVainfix &gt;=alengthV20V3IapathasV20V19FIamemaTuple2V19V13V4FAainfix &gt;=alengthV21V3IapathasV21V13FaInfiniteamixfix []V0V13IamemV13averticesFANamemaTuple2V1V2V4AamemaTuple2V1V2aedgesAainfix =c1V3Oainfix &lt;c1V3F">
@@ -325,7 +325,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="176" loccnumb="6" loccnume="11"
           expl="4. postcondition"
-          sum="4ba2af0ac783af70167dba948859764a"
+          sum="4775c28ed8801f8e66408f7179b5bc23"
           proved="true"
           expanded="true"
           shape="postconditionCtaFiniteVainfix &gt;=alengthV8V3IapathasV8V6FaInfiniteamixfix []V5V6IamemV6averticesFIainfix =V5asetV0V2CaInfiniteaInfiniteaFiniteainfix +V9aweightV1V2aFiniteVagetV0V1FICfaInfiniteCtaInfiniteainfix &lt;ainfix +V10aweightV1V2V11aFiniteVagetV0V2aFiniteVagetV0V1ICainfix &gt;=ainfix +apath_weightV15V14aweightV14V12V13IamemaTuple2V14V12V4Iainfix &lt;alengthV15V3IapathasV15V14FAainfix &gt;=apath_weightV16V12V13Iainfix &lt;alengthV16V3IapathasV16V12FAainfix =apath_weightV17V12V13AapathasV17V12EaFiniteVainfix &gt;=alengthV19V3IapathasV19V18FIamemaTuple2V18V12V4FAainfix &gt;=alengthV20V3IapathasV20V12FaInfiniteamixfix []V0V12IamemV12averticesFANamemaTuple2V1V2V4AamemaTuple2V1V2aedgesAainfix =c1V3Oainfix &lt;c1V3F">
@@ -353,7 +353,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="176" loccnumb="6" loccnume="11"
           expl="5. postcondition"
-          sum="fe42a8596a8a81b7aa81d8c4205a2c5d"
+          sum="b02d89ffd039efaf14541bc672bf8759"
           proved="true"
           expanded="true"
           shape="postconditionCtaFiniteVainfix &gt;=alengthV9V3IapathasV9V8FIamemaTuple2V8V6aaddaTuple2V1V2V4FaInfiniteamixfix []V5V6IamemV6averticesFIainfix =V5asetV0V2CaInfiniteaInfiniteaFiniteainfix +V10aweightV1V2aFiniteVagetV0V1FICfaInfiniteCtaInfiniteainfix &lt;ainfix +V11aweightV1V2V12aFiniteVagetV0V2aFiniteVagetV0V1ICainfix &gt;=ainfix +apath_weightV16V15aweightV15V13V14IamemaTuple2V15V13V4Iainfix &lt;alengthV16V3IapathasV16V15FAainfix &gt;=apath_weightV17V13V14Iainfix &lt;alengthV17V3IapathasV17V13FAainfix =apath_weightV18V13V14AapathasV18V13EaFiniteVainfix &gt;=alengthV20V3IapathasV20V19FIamemaTuple2V19V13V4FAainfix &gt;=alengthV21V3IapathasV21V13FaInfiniteamixfix []V0V13IamemV13averticesFANamemaTuple2V1V2V4AamemaTuple2V1V2aedgesAainfix =c1V3Oainfix &lt;c1V3F">
@@ -377,7 +377,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="176" loccnumb="6" loccnume="11"
       expl="2. postcondition"
-      sum="dd7cb18e2446938d9a2ab5761ef8dcea"
+      sum="1aaf28f53b9bd30d8a05804c76b6e4c1"
       proved="true"
       expanded="true"
       shape="postconditionainv1V0V3aaddaTuple2V1V2V4INCfaInfiniteCtaInfiniteainfix &lt;ainfix +V5aweightV1V2V6aFiniteVagetV0V2aFiniteVagetV0V1Iainv1V0V3V4ANamemaTuple2V1V2V4AamemaTuple2V1V2aedgesAainfix &lt;=c1V3F">
@@ -392,7 +392,7 @@
         locfile="../bellman_ford.mlw"
         loclnum="176" loccnumb="6" loccnume="11"
         expl="1. postcondition"
-        sum="2cdc6803215e71fcfc188ad2e7c1150d"
+        sum="a4d65d8285a3f1dd9abb0fd12114be97"
         proved="true"
         expanded="true"
         shape="postconditionCainfix &gt;=ainfix +apath_weightV8V7aweightV7V5V6IamemaTuple2V7V5aaddaTuple2V1V2V4Iainfix &lt;alengthV8V3IapathasV8V7FAainfix &gt;=apath_weightV9V5V6Iainfix &lt;alengthV9V3IapathasV9V5FAainfix =apath_weightV10V5V6AapathasV10V5EaFiniteVainfix &gt;=alengthV12V3IapathasV12V11FIamemaTuple2V11V5aaddaTuple2V1V2V4FAainfix &gt;=alengthV13V3IapathasV13V5FaInfiniteamixfix []V0V5IamemV5averticesFINCfaInfiniteCtaInfiniteainfix &lt;ainfix +V14aweightV1V2V15aFiniteVagetV0V2aFiniteVagetV0V1ICainfix &gt;=ainfix +apath_weightV19V18aweightV18V16V17IamemaTuple2V18V16V4Iainfix &lt;alengthV19V3IapathasV19V18FAainfix &gt;=apath_weightV20V16V17Iainfix &lt;alengthV20V3IapathasV20V16FAainfix =apath_weightV21V16V17AapathasV21V16EaFiniteVainfix &gt;=alengthV23V3IapathasV23V22FIamemaTuple2V22V16V4FAainfix &gt;=alengthV24V3IapathasV24V16FaInfiniteamixfix []V0V16IamemV16averticesFANamemaTuple2V1V2V4AamemaTuple2V1V2aedgesAainfix =c1V3Oainfix &lt;c1V3F">
@@ -407,7 +407,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="176" loccnumb="6" loccnume="11"
           expl="1. postcondition"
-          sum="e92ca7bfd644653c6e8aaf38d4a7b6ce"
+          sum="52bd9c45bc0a38db27e2d36001e9c223"
           proved="true"
           expanded="true"
           shape="postconditionCainfix =apath_weightV7V5V6AapathasV7V5EaFiniteVtaInfiniteamixfix []V0V5IamemV5averticesFINCfaInfiniteCtaInfiniteainfix &lt;ainfix +V8aweightV1V2V9aFiniteVagetV0V2aFiniteVagetV0V1ICainfix &gt;=ainfix +apath_weightV13V12aweightV12V10V11IamemaTuple2V12V10V4Iainfix &lt;alengthV13V3IapathasV13V12FAainfix &gt;=apath_weightV14V10V11Iainfix &lt;alengthV14V3IapathasV14V10FAainfix =apath_weightV15V10V11AapathasV15V10EaFiniteVainfix &gt;=alengthV17V3IapathasV17V16FIamemaTuple2V16V10V4FAainfix &gt;=alengthV18V3IapathasV18V10FaInfiniteamixfix []V0V10IamemV10averticesFANamemaTuple2V1V2V4AamemaTuple2V1V2aedgesAainfix =c1V3Oainfix &lt;c1V3F">
@@ -435,7 +435,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="176" loccnumb="6" loccnume="11"
           expl="2. postcondition"
-          sum="199fc63811c83339a3980807c017c010"
+          sum="22115b6544626bb9dc865c464b5b2365"
           proved="true"
           expanded="true"
           shape="postconditionCainfix &gt;=apath_weightV7V5V6Iainfix &lt;alengthV7V3IapathasV7V5FaFiniteVtaInfiniteamixfix []V0V5IamemV5averticesFINCfaInfiniteCtaInfiniteainfix &lt;ainfix +V8aweightV1V2V9aFiniteVagetV0V2aFiniteVagetV0V1ICainfix &gt;=ainfix +apath_weightV13V12aweightV12V10V11IamemaTuple2V12V10V4Iainfix &lt;alengthV13V3IapathasV13V12FAainfix &gt;=apath_weightV14V10V11Iainfix &lt;alengthV14V3IapathasV14V10FAainfix =apath_weightV15V10V11AapathasV15V10EaFiniteVainfix &gt;=alengthV17V3IapathasV17V16FIamemaTuple2V16V10V4FAainfix &gt;=alengthV18V3IapathasV18V10FaInfiniteamixfix []V0V10IamemV10averticesFANamemaTuple2V1V2V4AamemaTuple2V1V2aedgesAainfix =c1V3Oainfix &lt;c1V3F">
@@ -463,7 +463,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="176" loccnumb="6" loccnume="11"
           expl="3. postcondition"
-          sum="5344fc744a6e680f678bcb9fa402d80e"
+          sum="9ae2d4ab8c6d72ae93250b300dc10625"
           proved="true"
           expanded="true"
           shape="postconditionCainfix &gt;=ainfix +apath_weightV8V7aweightV7V5V6IamemaTuple2V7V5aaddaTuple2V1V2V4Iainfix &lt;alengthV8V3IapathasV8V7FaFiniteVtaInfiniteamixfix []V0V5IamemV5averticesFINCfaInfiniteCtaInfiniteainfix &lt;ainfix +V9aweightV1V2V10aFiniteVagetV0V2aFiniteVagetV0V1ICainfix &gt;=ainfix +apath_weightV14V13aweightV13V11V12IamemaTuple2V13V11V4Iainfix &lt;alengthV14V3IapathasV14V13FAainfix &gt;=apath_weightV15V11V12Iainfix &lt;alengthV15V3IapathasV15V11FAainfix =apath_weightV16V11V12AapathasV16V11EaFiniteVainfix &gt;=alengthV18V3IapathasV18V17FIamemaTuple2V17V11V4FAainfix &gt;=alengthV19V3IapathasV19V11FaInfiniteamixfix []V0V11IamemV11averticesFANamemaTuple2V1V2V4AamemaTuple2V1V2aedgesAainfix =c1V3Oainfix &lt;c1V3F">
@@ -483,7 +483,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="176" loccnumb="6" loccnume="11"
           expl="4. postcondition"
-          sum="fbc257377f822cf59600d5acbe77d87a"
+          sum="42160ecc702231843209e3026f29145d"
           proved="true"
           expanded="true"
           shape="postconditionCtaFiniteVainfix &gt;=alengthV7V3IapathasV7V5FaInfiniteamixfix []V0V5IamemV5averticesFINCfaInfiniteCtaInfiniteainfix &lt;ainfix +V8aweightV1V2V9aFiniteVagetV0V2aFiniteVagetV0V1ICainfix &gt;=ainfix +apath_weightV13V12aweightV12V10V11IamemaTuple2V12V10V4Iainfix &lt;alengthV13V3IapathasV13V12FAainfix &gt;=apath_weightV14V10V11Iainfix &lt;alengthV14V3IapathasV14V10FAainfix =apath_weightV15V10V11AapathasV15V10EaFiniteVainfix &gt;=alengthV17V3IapathasV17V16FIamemaTuple2V16V10V4FAainfix &gt;=alengthV18V3IapathasV18V10FaInfiniteamixfix []V0V10IamemV10averticesFANamemaTuple2V1V2V4AamemaTuple2V1V2aedgesAainfix =c1V3Oainfix &lt;c1V3F">
@@ -511,7 +511,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="176" loccnumb="6" loccnume="11"
           expl="5. postcondition"
-          sum="f1c5a8a12b5c1ec24819fe99ce052d29"
+          sum="ea312b18d9faee458b08450a5a2057ed"
           proved="true"
           expanded="true"
           shape="postconditionCtaFiniteVainfix &gt;=alengthV8V3IapathasV8V7FIamemaTuple2V7V5aaddaTuple2V1V2V4FaInfiniteamixfix []V0V5IamemV5averticesFINCfaInfiniteCtaInfiniteainfix &lt;ainfix +V9aweightV1V2V10aFiniteVagetV0V2aFiniteVagetV0V1ICainfix &gt;=ainfix +apath_weightV14V13aweightV13V11V12IamemaTuple2V13V11V4Iainfix &lt;alengthV14V3IapathasV14V13FAainfix &gt;=apath_weightV15V11V12Iainfix &lt;alengthV15V3IapathasV15V11FAainfix =apath_weightV16V11V12AapathasV16V11EaFiniteVainfix &gt;=alengthV18V3IapathasV18V17FIamemaTuple2V17V11V4FAainfix &gt;=alengthV19V3IapathasV19V11FaInfiniteamixfix []V0V11IamemV11averticesFANamemaTuple2V1V2V4AamemaTuple2V1V2aedgesAainfix =c1V3Oainfix &lt;c1V3F">
@@ -537,7 +537,7 @@
     locfile="../bellman_ford.mlw"
     loclnum="186" loccnumb="6" loccnume="18"
     expl="VC for bellman_ford"
-    sum="7f4acbd8d583e1716886d4ad243f8d89"
+    sum="79e74ec33675b4a62e83522699829be5"
     proved="true"
     expanded="true"
     shape="iCainfix &gt;=apath_weightV7V5V6IapathasV7V5FAainfix =apath_weightV8V5V6AapathasV8V5EaFiniteVNapathasV9V5FaInfiniteagetV1V5IamemV5averticesFAainv2V1aedgesiainfix &lt;acardinalV10acardinalV3Aainfix &lt;=c0acardinalV3Aainv2V1adiffaedgesV10AasubsetV10aedgesanegative_cycleV14ECfaInfiniteCtaInfiniteainfix &lt;ainfix +V15aweightV11V12V16aFiniteVagetV1V12aFiniteVagetV1V11Iainfix =V10aremoveV13V3AamemV13V3LaTuple2V11V12FFANais_emptyV3Nainfix =V4aTrueIais_emptyV3qainfix =V4aTrueFIainv2V1adiffaedgesV3AasubsetV3aedgesFAainv2V1adiffaedgesV2AasubsetV2aedgesIainfix =V2aedgesFAainv1V1acardinalaverticesaemptyIainv1V1ainfix +V0c1aemptyAiainv1V20ainfix +V17c1aemptyAainv1V20V17aedgesainfix &lt;acardinalV23acardinalV19Aainfix &lt;=c0acardinalV19Aainv1V27V17adiffaedgesV23AasubsetV23aedgesIainv1V27V17aaddaTuple2V24V25V22FAainv1V20V17V22ANamemaTuple2V24V25V22AamemaTuple2V24V25aedgesAainfix &lt;=c1V17Iainfix =V23aremoveV26V19AamemV26V19LaTuple2V24V25FFANais_emptyV19LadiffaedgesV19Nainfix =V21aTrueIais_emptyV19qainfix =V21aTrueFIainv1V20V17adiffaedgesV19AasubsetV19aedgesFAainv1V1V17adiffaedgesV18AasubsetV18aedgesIainfix =V18aedgesFIainv1V1V17aemptyIainfix &lt;=V17V0Aainfix &lt;=c1V17FFAainv1ainitialize_single_sourceasc1aemptyIainfix &lt;=c1V0AiCainfix &gt;=apath_weightV33V31V32IapathasV33V31FAainfix =apath_weightV34V31V32AapathasV34V31EaFiniteVNapathasV35V31FaInfiniteagetainitialize_single_sourceasV31IamemV31averticesFAainv2ainitialize_single_sourceasaedgesiainfix &lt;acardinalV36acardinalV29Aainfix &lt;=c0acardinalV29Aainv2ainitialize_single_sourceasadiffaedgesV36AasubsetV36aedgesanegative_cycleV40ECfaInfiniteCtaInfiniteainfix &lt;ainfix +V41aweightV37V38V42aFiniteVagetainitialize_single_sourceasV38aFiniteVagetainitialize_single_sourceasV37Iainfix =V36aremoveV39V29AamemV39V29LaTuple2V37V38FFANais_emptyV29Nainfix =V30aTrueIais_emptyV29qainfix =V30aTrueFIainv2ainitialize_single_sourceasadiffaedgesV29AasubsetV29aedgesFAainv2ainitialize_single_sourceasadiffaedgesV28AasubsetV28aedgesIainfix =V28aedgesFAainv1ainitialize_single_sourceasacardinalaverticesaemptyIainfix &gt;c1V0Lainfix -acardinalaverticesc1">
@@ -552,7 +552,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="1. assertion"
-      sum="de5e923425a43a7d15fef1d5bef52834"
+      sum="6b6dd5ed7cd6a31ed36a9c9405608c13"
       proved="true"
       expanded="true"
       shape="assertionainv1ainitialize_single_sourceasacardinalaverticesaemptyIainfix &gt;c1V0Lainfix -acardinalaverticesc1">
@@ -567,7 +567,7 @@
         locfile="../bellman_ford.mlw"
         loclnum="186" loccnumb="6" loccnume="18"
         expl="1. assertion"
-        sum="546caf938ac9ca03a53d473f090310a1"
+        sum="d428e7c34d1d79e69819a06e821dec33"
         proved="true"
         expanded="true"
         shape="assertionCainfix &gt;=ainfix +apath_weightV4V3aweightV3V1V2IamemaTuple2V3V1aemptyIainfix &lt;alengthV4acardinalaverticesIapathasV4V3FAainfix &gt;=apath_weightV5V1V2Iainfix &lt;alengthV5acardinalaverticesIapathasV5V1FAainfix =apath_weightV6V1V2AapathasV6V1EaFiniteVainfix &gt;=alengthV8acardinalaverticesIapathasV8V7FIamemaTuple2V7V1aemptyFAainfix &gt;=alengthV9acardinalaverticesIapathasV9V1FaInfiniteamixfix []ainitialize_single_sourceasV1IamemV1averticesFIainfix &lt;V0c1Lainfix -acardinalaverticesc1">
@@ -582,7 +582,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="186" loccnumb="6" loccnume="18"
           expl="1. assertion"
-          sum="1d4a6b8520c162df24efbb26f65c6ae1"
+          sum="0dbb678b252337649b2d13f5a32a31c1"
           proved="true"
           expanded="true"
           shape="assertionCainfix =apath_weightV3V1V2AapathasV3V1EaFiniteVtaInfiniteamixfix []ainitialize_single_sourceasV1IamemV1averticesFIainfix &lt;V0c1Lainfix -acardinalaverticesc1">
@@ -618,7 +618,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="186" loccnumb="6" loccnume="18"
           expl="2. assertion"
-          sum="06be73465d2850191b99b02cb4d77db5"
+          sum="b6d760ae193e7f14d322b58b9666bcaa"
           proved="true"
           expanded="true"
           shape="assertionCainfix &gt;=apath_weightV3V1V2Iainfix &lt;alengthV3acardinalaverticesIapathasV3V1FaFiniteVtaInfiniteamixfix []ainitialize_single_sourceasV1IamemV1averticesFIainfix &lt;V0c1Lainfix -acardinalaverticesc1">
@@ -638,7 +638,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="186" loccnumb="6" loccnume="18"
           expl="3. assertion"
-          sum="88123216aa9c9c9bfd864b0b8a708fa7"
+          sum="22532fbc33d07c2aee3e3922c219c8ae"
           proved="true"
           expanded="true"
           shape="assertionCainfix &gt;=ainfix +apath_weightV4V3aweightV3V1V2IamemaTuple2V3V1aemptyIainfix &lt;alengthV4acardinalaverticesIapathasV4V3FaFiniteVtaInfiniteamixfix []ainitialize_single_sourceasV1IamemV1averticesFIainfix &lt;V0c1Lainfix -acardinalaverticesc1">
@@ -658,7 +658,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="186" loccnumb="6" loccnume="18"
           expl="4. assertion"
-          sum="0b3744e35a245c205b5977a8f19d0fca"
+          sum="15663698dcaaf6496d86b60d332ee042"
           proved="true"
           expanded="true"
           shape="assertionCtaFiniteVainfix &gt;=alengthV3acardinalaverticesIapathasV3V1FaInfiniteamixfix []ainitialize_single_sourceasV1IamemV1averticesFIainfix &lt;V0c1Lainfix -acardinalaverticesc1">
@@ -678,7 +678,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="186" loccnumb="6" loccnume="18"
           expl="5. assertion"
-          sum="d3607e5c3b46893173ec2669e40c8fc5"
+          sum="e24b460ab56510b4696ff13cd8899212"
           proved="true"
           expanded="true"
           shape="assertionCtaFiniteVainfix &gt;=alengthV4acardinalaverticesIapathasV4V3FIamemaTuple2V3V1aemptyFaInfiniteamixfix []ainitialize_single_sourceasV1IamemV1averticesFIainfix &lt;V0c1Lainfix -acardinalaverticesc1">
@@ -702,7 +702,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="2. loop invariant init"
-      sum="7608b83b5e7e9fca9222b12a39a80f9a"
+      sum="e91752eeb0a518b8a75f91cad1d16125"
       proved="true"
       expanded="true"
       shape="loop invariant initainv2ainitialize_single_sourceasadiffaedgesV1AasubsetV1aedgesIainfix =V1aedgesFIainv1ainitialize_single_sourceasacardinalaverticesaemptyIainfix &gt;c1V0Lainfix -acardinalaverticesc1">
@@ -722,7 +722,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="3. precondition"
-      sum="3eeeaa146394204e3c8c007dfacd1c00"
+      sum="c8fd3caa88fd1529cb6c2838684f02f5"
       proved="true"
       expanded="true"
       shape="preconditionNais_emptyV2INainfix =V3aTrueIais_emptyV2qainfix =V3aTrueFIainv2ainitialize_single_sourceasadiffaedgesV2AasubsetV2aedgesFIainfix =V1aedgesFIainv1ainitialize_single_sourceasacardinalaverticesaemptyIainfix &gt;c1V0Lainfix -acardinalaverticesc1">
@@ -742,7 +742,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="4. exceptional postcondition"
-      sum="2d0f07960b1b9a31e051be7672cb5967"
+      sum="88bbf6e2f8d6f3ab20e76bccd18882a0"
       proved="true"
       expanded="true"
       shape="exceptional postconditionanegative_cycleV8EICfaInfiniteCtaInfiniteainfix &lt;ainfix +V9aweightV5V6V10aFiniteVagetainitialize_single_sourceasV6aFiniteVagetainitialize_single_sourceasV5Iainfix =V4aremoveV7V2AamemV7V2LaTuple2V5V6FFINais_emptyV2INainfix =V3aTrueIais_emptyV2qainfix =V3aTrueFIainv2ainitialize_single_sourceasadiffaedgesV2AasubsetV2aedgesFIainfix =V1aedgesFIainv1ainitialize_single_sourceasacardinalaverticesaemptyIainfix &gt;c1V0Lainfix -acardinalaverticesc1">
@@ -763,7 +763,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="5. loop invariant preservation"
-      sum="c8716c85311cfc03992e954935eb2b6b"
+      sum="692839b752af559f0d7f772f44ff3688"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainv2ainitialize_single_sourceasadiffaedgesV4AasubsetV4aedgesINCfaInfiniteCtaInfiniteainfix &lt;ainfix +V8aweightV5V6V9aFiniteVagetainitialize_single_sourceasV6aFiniteVagetainitialize_single_sourceasV5Iainfix =V4aremoveV7V2AamemV7V2LaTuple2V5V6FFINais_emptyV2INainfix =V3aTrueIais_emptyV2qainfix =V3aTrueFIainv2ainitialize_single_sourceasadiffaedgesV2AasubsetV2aedgesFIainfix =V1aedgesFIainv1ainitialize_single_sourceasacardinalaverticesaemptyIainfix &gt;c1V0Lainfix -acardinalaverticesc1">
@@ -783,7 +783,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="6. loop variant decrease"
-      sum="91c386b2683efad31efa2c4ad594b681"
+      sum="8549bf167fedebba6cd14539a5432d6e"
       proved="true"
       expanded="true"
       shape="loop variant decreaseainfix &lt;acardinalV4acardinalV2Aainfix &lt;=c0acardinalV2INCfaInfiniteCtaInfiniteainfix &lt;ainfix +V8aweightV5V6V9aFiniteVagetainitialize_single_sourceasV6aFiniteVagetainitialize_single_sourceasV5Iainfix =V4aremoveV7V2AamemV7V2LaTuple2V5V6FFINais_emptyV2INainfix =V3aTrueIais_emptyV2qainfix =V3aTrueFIainv2ainitialize_single_sourceasadiffaedgesV2AasubsetV2aedgesFIainfix =V1aedgesFIainv1ainitialize_single_sourceasacardinalaverticesaemptyIainfix &gt;c1V0Lainfix -acardinalaverticesc1">
@@ -803,7 +803,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="7. assertion"
-      sum="f57309b5e6ce6855d567d30fa4f5255d"
+      sum="72a69d0e156f922f476c6337d9756d64"
       proved="true"
       expanded="true"
       shape="assertionainv2ainitialize_single_sourceasaedgesINNainfix =V3aTrueIais_emptyV2qainfix =V3aTrueFIainv2ainitialize_single_sourceasadiffaedgesV2AasubsetV2aedgesFIainfix =V1aedgesFIainv1ainitialize_single_sourceasacardinalaverticesaemptyIainfix &gt;c1V0Lainfix -acardinalaverticesc1">
@@ -823,7 +823,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="8. postcondition"
-      sum="df7d88efab778a1b9dacebcf8bcedf1a"
+      sum="829f70ec8b1ee2a0c8d20c6717c36877"
       proved="true"
       expanded="true"
       shape="postconditionCainfix &gt;=apath_weightV6V4V5IapathasV6V4FAainfix =apath_weightV7V4V5AapathasV7V4EaFiniteVNapathasV8V4FaInfiniteagetainitialize_single_sourceasV4IamemV4averticesFIainv2ainitialize_single_sourceasaedgesINNainfix =V3aTrueIais_emptyV2qainfix =V3aTrueFIainv2ainitialize_single_sourceasadiffaedgesV2AasubsetV2aedgesFIainfix =V1aedgesFIainv1ainitialize_single_sourceasacardinalaverticesaemptyIainfix &gt;c1V0Lainfix -acardinalaverticesc1">
@@ -838,7 +838,7 @@
         locfile="../bellman_ford.mlw"
         loclnum="186" loccnumb="6" loccnume="18"
         expl="1. postcondition"
-        sum="40a638da3402438ed31e67961a331438"
+        sum="dbe3bdfaff72e7ad2ce55be099bb4cc2"
         proved="true"
         expanded="true"
         shape="postconditionCainfix =apath_weightV6V4V5AapathasV6V4EaFiniteVtaInfiniteagetainitialize_single_sourceasV4IamemV4averticesFIainv2ainitialize_single_sourceasaedgesINNainfix =V3aTrueIais_emptyV2qainfix =V3aTrueFIainv2ainitialize_single_sourceasadiffaedgesV2AasubsetV2aedgesFIainfix =V1aedgesFIainv1ainitialize_single_sourceasacardinalaverticesaemptyIainfix &gt;c1V0Lainfix -acardinalaverticesc1">
@@ -874,7 +874,7 @@
         locfile="../bellman_ford.mlw"
         loclnum="186" loccnumb="6" loccnume="18"
         expl="2. postcondition"
-        sum="d653cbc313f534832ea899a21899e502"
+        sum="c336a993420836ae7e3742d26bbde224"
         proved="true"
         expanded="true"
         shape="postconditionCainfix &gt;=apath_weightV6V4V5IapathasV6V4FaFiniteVtaInfiniteagetainitialize_single_sourceasV4IamemV4averticesFIainv2ainitialize_single_sourceasaedgesINNainfix =V3aTrueIais_emptyV2qainfix =V3aTrueFIainv2ainitialize_single_sourceasadiffaedgesV2AasubsetV2aedgesFIainfix =V1aedgesFIainv1ainitialize_single_sourceasacardinalaverticesaemptyIainfix &gt;c1V0Lainfix -acardinalaverticesc1">
@@ -894,7 +894,7 @@
         locfile="../bellman_ford.mlw"
         loclnum="186" loccnumb="6" loccnume="18"
         expl="3. postcondition"
-        sum="256196198344c5d3c79b8f143e8bdb11"
+        sum="70d02503f0b76046394e74e889e58200"
         proved="true"
         expanded="true"
         shape="postconditionCtaFiniteVNapathasV6V4FaInfiniteagetainitialize_single_sourceasV4IamemV4averticesFIainv2ainitialize_single_sourceasaedgesINNainfix =V3aTrueIais_emptyV2qainfix =V3aTrueFIainv2ainitialize_single_sourceasadiffaedgesV2AasubsetV2aedgesFIainfix =V1aedgesFIainv1ainitialize_single_sourceasacardinalaverticesaemptyIainfix &gt;c1V0Lainfix -acardinalaverticesc1">
@@ -932,7 +932,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="9. loop invariant init"
-      sum="e860ac35c368097c8caec4dcea4303c8"
+      sum="da25a4f5db721103c1b1ddc999b7a7bb"
       proved="true"
       expanded="true"
       shape="loop invariant initainv1ainitialize_single_sourceasc1aemptyIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -947,7 +947,7 @@
         locfile="../bellman_ford.mlw"
         loclnum="186" loccnumb="6" loccnume="18"
         expl="1. loop invariant init"
-        sum="ad4f5a5227c574a676da4824ae414765"
+        sum="3f57f1acddd9fa8b456cd823291838a2"
         proved="true"
         expanded="true"
         shape="loop invariant initCainfix &gt;=ainfix +apath_weightV4V3aweightV3V1V2IamemaTuple2V3V1aemptyIainfix &lt;alengthV4c1IapathasV4V3FAainfix &gt;=apath_weightV5V1V2Iainfix &lt;alengthV5c1IapathasV5V1FAainfix =apath_weightV6V1V2AapathasV6V1EaFiniteVainfix &gt;=alengthV8c1IapathasV8V7FIamemaTuple2V7V1aemptyFAainfix &gt;=alengthV9c1IapathasV9V1FaInfiniteamixfix []ainitialize_single_sourceasV1IamemV1averticesFIainfix =c1V0Oainfix &lt;c1V0Lainfix -acardinalaverticesc1">
@@ -962,7 +962,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="186" loccnumb="6" loccnume="18"
           expl="1. loop invariant init"
-          sum="65698ccabfe6944f299d4a8ee9ad2af7"
+          sum="d44668f0f73e4ddae89b635f639a7169"
           proved="true"
           expanded="true"
           shape="loop invariant initCainfix =apath_weightV3V1V2AapathasV3V1EaFiniteVtaInfiniteamixfix []ainitialize_single_sourceasV1IamemV1averticesFIainfix =c1V0Oainfix &lt;c1V0Lainfix -acardinalaverticesc1">
@@ -990,7 +990,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="186" loccnumb="6" loccnume="18"
           expl="2. loop invariant init"
-          sum="bc69519ba6a90ba98663aef767be73fa"
+          sum="9ba024bc1593ca8b9a5672049a9656d9"
           proved="true"
           expanded="true"
           shape="loop invariant initCainfix &gt;=apath_weightV3V1V2Iainfix &lt;alengthV3c1IapathasV3V1FaFiniteVtaInfiniteamixfix []ainitialize_single_sourceasV1IamemV1averticesFIainfix =c1V0Oainfix &lt;c1V0Lainfix -acardinalaverticesc1">
@@ -1010,7 +1010,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="186" loccnumb="6" loccnume="18"
           expl="3. loop invariant init"
-          sum="2ed36279fda88b4acf0276d95089ab6e"
+          sum="15ed0e058cc500d33bf7ddfbd9ad4116"
           proved="true"
           expanded="true"
           shape="loop invariant initCainfix &gt;=ainfix +apath_weightV4V3aweightV3V1V2IamemaTuple2V3V1aemptyIainfix &lt;alengthV4c1IapathasV4V3FaFiniteVtaInfiniteamixfix []ainitialize_single_sourceasV1IamemV1averticesFIainfix =c1V0Oainfix &lt;c1V0Lainfix -acardinalaverticesc1">
@@ -1030,7 +1030,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="186" loccnumb="6" loccnume="18"
           expl="4. loop invariant init"
-          sum="9d605bd92d300d0ee9919c08a6db004c"
+          sum="4c911a23654c09e02bcb7dd0d428c71b"
           proved="true"
           expanded="true"
           shape="loop invariant initCtaFiniteVainfix &gt;=alengthV3c1IapathasV3V1FaInfiniteamixfix []ainitialize_single_sourceasV1IamemV1averticesFIainfix =c1V0Oainfix &lt;c1V0Lainfix -acardinalaverticesc1">
@@ -1050,7 +1050,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="186" loccnumb="6" loccnume="18"
           expl="5. loop invariant init"
-          sum="278d0d8848290f6669c2e077b9e46d57"
+          sum="91487de17f1b43f546427ef27d6e8d70"
           proved="true"
           expanded="true"
           shape="loop invariant initCtaFiniteVainfix &gt;=alengthV4c1IapathasV4V3FIamemaTuple2V3V1aemptyFaInfiniteamixfix []ainitialize_single_sourceasV1IamemV1averticesFIainfix =c1V0Oainfix &lt;c1V0Lainfix -acardinalaverticesc1">
@@ -1074,7 +1074,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="10. loop invariant init"
-      sum="c641e6f4dcd342d7166df7345b158873"
+      sum="e6bd0453289f2dbb3fcf749aeddfac04"
       proved="true"
       expanded="true"
       shape="loop invariant initainv1V1V2adiffaedgesV3AasubsetV3aedgesIainfix =V3aedgesFIainv1V1V2aemptyIainfix &lt;=V2V0Aainfix &lt;=c1V2FFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1089,7 +1089,7 @@
         locfile="../bellman_ford.mlw"
         loclnum="186" loccnumb="6" loccnume="18"
         expl="1."
-        sum="5bf77d1451b2cdf708b7a1fb5886e811"
+        sum="f9cb0747031d59713234e1281017c826"
         proved="true"
         expanded="true"
         shape="asubsetV3aedgesIainfix =V3aedgesFIainv1V1V2aemptyIainfix &lt;=V2V0Aainfix &lt;=c1V2FFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1109,7 +1109,7 @@
         locfile="../bellman_ford.mlw"
         loclnum="186" loccnumb="6" loccnume="18"
         expl="2."
-        sum="d3b6d311c55483ba01d58465f7268b85"
+        sum="a64b9c8d061bf4df1130a1826b0ecbcf"
         proved="true"
         expanded="true"
         shape="ainv1V1V2adiffaedgesV3Iainfix =V3aedgesFIainv1V1V2aemptyIainfix &lt;=V2V0Aainfix &lt;=c1V2FFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1131,7 +1131,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="11. precondition"
-      sum="92b767c72919198fb5ac7017cc10a13e"
+      sum="b9b2eb4c674e7fcfed33db727fc2d014"
       proved="true"
       expanded="true"
       shape="preconditionNais_emptyV4LadiffaedgesV4INainfix =V6aTrueIais_emptyV4qainfix =V6aTrueFIainv1V5V2adiffaedgesV4AasubsetV4aedgesFIainfix =V3aedgesFIainv1V1V2aemptyIainfix &lt;=V2V0Aainfix &lt;=c1V2FFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1151,7 +1151,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="12. precondition"
-      sum="9a821f1a4f0e26f1a600d158b717e9ed"
+      sum="692bae9dc7287f0c1f5a68f35bde0818"
       proved="true"
       expanded="true"
       shape="preconditionNamemaTuple2V9V10V7AamemaTuple2V9V10aedgesAainfix &lt;=c1V2Iainfix =V8aremoveV11V4AamemV11V4LaTuple2V9V10FFINais_emptyV4LadiffaedgesV4INainfix =V6aTrueIais_emptyV4qainfix =V6aTrueFIainv1V5V2adiffaedgesV4AasubsetV4aedgesFIainfix =V3aedgesFIainv1V1V2aemptyIainfix &lt;=V2V0Aainfix &lt;=c1V2FFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1171,7 +1171,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="13. precondition"
-      sum="c285c00d30cf63631997cd942c1de6ea"
+      sum="aa788f5d1a5155eecb3e17485d896239"
       proved="true"
       expanded="true"
       shape="preconditionainv1V5V2V7Iainfix =V8aremoveV11V4AamemV11V4LaTuple2V9V10FFINais_emptyV4LadiffaedgesV4INainfix =V6aTrueIais_emptyV4qainfix =V6aTrueFIainv1V5V2adiffaedgesV4AasubsetV4aedgesFIainfix =V3aedgesFIainv1V1V2aemptyIainfix &lt;=V2V0Aainfix &lt;=c1V2FFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1191,7 +1191,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="14. loop invariant preservation"
-      sum="175b51ead794b3f108ee2b3a51f5d0a7"
+      sum="b5a857cc1ce115e5487badd431f51139"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainv1V12V2adiffaedgesV8AasubsetV8aedgesIainv1V12V2aaddaTuple2V9V10V7FIainv1V5V2V7ANamemaTuple2V9V10V7AamemaTuple2V9V10aedgesAainfix &lt;=c1V2Iainfix =V8aremoveV11V4AamemV11V4LaTuple2V9V10FFINais_emptyV4LadiffaedgesV4INainfix =V6aTrueIais_emptyV4qainfix =V6aTrueFIainv1V5V2adiffaedgesV4AasubsetV4aedgesFIainfix =V3aedgesFIainv1V1V2aemptyIainfix &lt;=V2V0Aainfix &lt;=c1V2FFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1206,7 +1206,7 @@
         locfile="../bellman_ford.mlw"
         loclnum="186" loccnumb="6" loccnume="18"
         expl="1."
-        sum="3902c492ef90aa3c904c91edac737919"
+        sum="1604ba88ff0e50bea7635297ad6e2890"
         proved="true"
         expanded="true"
         shape="asubsetV8aedgesIainv1V12V2aaddaTuple2V9V10V7FIainv1V5V2V7ANamemaTuple2V9V10V7AamemaTuple2V9V10aedgesAainfix &lt;=c1V2Iainfix =V8aremoveV11V4AamemV11V4LaTuple2V9V10FFINais_emptyV4LadiffaedgesV4INainfix =V6aTrueIais_emptyV4qainfix =V6aTrueFIainv1V5V2adiffaedgesV4AasubsetV4aedgesFIainfix =V3aedgesFIainv1V1V2aemptyIainfix &lt;=V2V0Aainfix &lt;=c1V2FFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1226,7 +1226,7 @@
         locfile="../bellman_ford.mlw"
         loclnum="186" loccnumb="6" loccnume="18"
         expl="2."
-        sum="1571cf0f7a4f6fa7d038aafd6b1765fe"
+        sum="effb301c80d52086603a235b176c77ae"
         proved="true"
         expanded="true"
         shape="ainv1V12V2adiffaedgesV8Iainv1V12V2aaddaTuple2V9V10V7FIainv1V5V2V7ANamemaTuple2V9V10V7AamemaTuple2V9V10aedgesAainfix &lt;=c1V2Iainfix =V8aremoveV11V4AamemV11V4LaTuple2V9V10FFINais_emptyV4LadiffaedgesV4INainfix =V6aTrueIais_emptyV4qainfix =V6aTrueFIainv1V5V2adiffaedgesV4AasubsetV4aedgesFIainfix =V3aedgesFIainv1V1V2aemptyIainfix &lt;=V2V0Aainfix &lt;=c1V2FFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1241,7 +1241,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="186" loccnumb="6" loccnume="18"
           expl="1."
-          sum="0ed901120d81e006c900fb009c5950aa"
+          sum="5679429441edaf12aa38a5ffd3c0ec41"
           proved="true"
           expanded="true"
           shape="Cainfix &gt;=ainfix +apath_weightV16V15aweightV15V13V14IamemaTuple2V15V13adiffaedgesV8Iainfix &lt;alengthV16V2IapathasV16V15FAainfix &gt;=apath_weightV17V13V14Iainfix &lt;alengthV17V2IapathasV17V13FAainfix =apath_weightV18V13V14AapathasV18V13EaFiniteVainfix &gt;=alengthV20V2IapathasV20V19FIamemaTuple2V19V13adiffaedgesV8FAainfix &gt;=alengthV21V2IapathasV21V13FaInfiniteamixfix []V12V13IamemV13averticesFICainfix &gt;=ainfix +apath_weightV25V24aweightV24V22V23IamemaTuple2V24V22aaddaTuple2V9V10V7Iainfix &lt;alengthV25V2IapathasV25V24FAainfix &gt;=apath_weightV26V22V23Iainfix &lt;alengthV26V2IapathasV26V22FAainfix =apath_weightV27V22V23AapathasV27V22EaFiniteVainfix &gt;=alengthV29V2IapathasV29V28FIamemaTuple2V28V22aaddaTuple2V9V10V7FAainfix &gt;=alengthV30V2IapathasV30V22FaInfiniteamixfix []V12V22IamemV22averticesFFICainfix &gt;=ainfix +apath_weightV34V33aweightV33V31V32IamemaTuple2V33V31V7Iainfix &lt;alengthV34V2IapathasV34V33FAainfix &gt;=apath_weightV35V31V32Iainfix &lt;alengthV35V2IapathasV35V31FAainfix =apath_weightV36V31V32AapathasV36V31EaFiniteVainfix &gt;=alengthV38V2IapathasV38V37FIamemaTuple2V37V31V7FAainfix &gt;=alengthV39V2IapathasV39V31FaInfiniteamixfix []V5V31IamemV31averticesFANamemaTuple2V9V10V7AamemaTuple2V9V10aedgesAainfix =c1V2Oainfix &lt;c1V2Iainfix =V8aremoveV11V4AamemV11V4LaTuple2V9V10FFINNamemV40V4FLadiffaedgesV4INainfix =V6aTrueINamemV41V4Fqainfix =V6aTrueFICainfix &gt;=ainfix +apath_weightV45V44aweightV44V42V43IamemaTuple2V44V42adiffaedgesV4Iainfix &lt;alengthV45V2IapathasV45V44FAainfix &gt;=apath_weightV46V42V43Iainfix &lt;alengthV46V2IapathasV46V42FAainfix =apath_weightV47V42V43AapathasV47V42EaFiniteVainfix &gt;=alengthV49V2IapathasV49V48FIamemaTuple2V48V42adiffaedgesV4FAainfix &gt;=alengthV50V2IapathasV50V42FaInfiniteamixfix []V5V42IamemV42averticesFAamemV51aedgesIamemV51V4FFIainfix =V3aedgesFICainfix &gt;=ainfix +apath_weightV55V54aweightV54V52V53IamemaTuple2V54V52aemptyIainfix &lt;alengthV55V2IapathasV55V54FAainfix &gt;=apath_weightV56V52V53Iainfix &lt;alengthV56V2IapathasV56V52FAainfix =apath_weightV57V52V53AapathasV57V52EaFiniteVainfix &gt;=alengthV59V2IapathasV59V58FIamemaTuple2V58V52aemptyFAainfix &gt;=alengthV60V2IapathasV60V52FaInfiniteamixfix []V1V52IamemV52averticesFIainfix =V2V0Oainfix &lt;V2V0Aainfix =c1V2Oainfix &lt;c1V2FFIainfix =c1V0Oainfix &lt;c1V0Lainfix -acardinalaverticesc1">
@@ -1256,7 +1256,7 @@
             locfile="../bellman_ford.mlw"
             loclnum="186" loccnumb="6" loccnume="18"
             expl="1."
-            sum="dc1097ef15d3455603e5df3c39e83763"
+            sum="3476885811ffdc6470f9206bec28fe31"
             proved="true"
             expanded="true"
             shape="Cainfix =apath_weightV15V13V14AapathasV15V13EaFiniteVtaInfiniteamixfix []V12V13IamemV13averticesFICainfix &gt;=ainfix +apath_weightV19V18aweightV18V16V17IamemaTuple2V18V16aaddaTuple2V9V10V7Iainfix &lt;alengthV19V2IapathasV19V18FAainfix &gt;=apath_weightV20V16V17Iainfix &lt;alengthV20V2IapathasV20V16FAainfix =apath_weightV21V16V17AapathasV21V16EaFiniteVainfix &gt;=alengthV23V2IapathasV23V22FIamemaTuple2V22V16aaddaTuple2V9V10V7FAainfix &gt;=alengthV24V2IapathasV24V16FaInfiniteamixfix []V12V16IamemV16averticesFFICainfix &gt;=ainfix +apath_weightV28V27aweightV27V25V26IamemaTuple2V27V25V7Iainfix &lt;alengthV28V2IapathasV28V27FAainfix &gt;=apath_weightV29V25V26Iainfix &lt;alengthV29V2IapathasV29V25FAainfix =apath_weightV30V25V26AapathasV30V25EaFiniteVainfix &gt;=alengthV32V2IapathasV32V31FIamemaTuple2V31V25V7FAainfix &gt;=alengthV33V2IapathasV33V25FaInfiniteamixfix []V5V25IamemV25averticesFANamemaTuple2V9V10V7AamemaTuple2V9V10aedgesAainfix =c1V2Oainfix &lt;c1V2Iainfix =V8aremoveV11V4AamemV11V4LaTuple2V9V10FFINNamemV34V4FLadiffaedgesV4INainfix =V6aTrueINamemV35V4Fqainfix =V6aTrueFICainfix &gt;=ainfix +apath_weightV39V38aweightV38V36V37IamemaTuple2V38V36adiffaedgesV4Iainfix &lt;alengthV39V2IapathasV39V38FAainfix &gt;=apath_weightV40V36V37Iainfix &lt;alengthV40V2IapathasV40V36FAainfix =apath_weightV41V36V37AapathasV41V36EaFiniteVainfix &gt;=alengthV43V2IapathasV43V42FIamemaTuple2V42V36adiffaedgesV4FAainfix &gt;=alengthV44V2IapathasV44V36FaInfiniteamixfix []V5V36IamemV36averticesFAamemV45aedgesIamemV45V4FFIainfix =V3aedgesFICainfix &gt;=ainfix +apath_weightV49V48aweightV48V46V47IamemaTuple2V48V46aemptyIainfix &lt;alengthV49V2IapathasV49V48FAainfix &gt;=apath_weightV50V46V47Iainfix &lt;alengthV50V2IapathasV50V46FAainfix =apath_weightV51V46V47AapathasV51V46EaFiniteVainfix &gt;=alengthV53V2IapathasV53V52FIamemaTuple2V52V46aemptyFAainfix &gt;=alengthV54V2IapathasV54V46FaInfiniteamixfix []V1V46IamemV46averticesFIainfix =V2V0Oainfix &lt;V2V0Aainfix =c1V2Oainfix &lt;c1V2FFIainfix =c1V0Oainfix &lt;c1V0Lainfix -acardinalaverticesc1">
@@ -1284,7 +1284,7 @@
             locfile="../bellman_ford.mlw"
             loclnum="186" loccnumb="6" loccnume="18"
             expl="2."
-            sum="b99d2f1b84b99313392311c8b54f58ec"
+            sum="cceb8f0b6815acecbf6ded80db59d678"
             proved="true"
             expanded="true"
             shape="Cainfix &gt;=apath_weightV15V13V14Iainfix &lt;alengthV15V2IapathasV15V13FaFiniteVtaInfiniteamixfix []V12V13IamemV13averticesFICainfix &gt;=ainfix +apath_weightV19V18aweightV18V16V17IamemaTuple2V18V16aaddaTuple2V9V10V7Iainfix &lt;alengthV19V2IapathasV19V18FAainfix &gt;=apath_weightV20V16V17Iainfix &lt;alengthV20V2IapathasV20V16FAainfix =apath_weightV21V16V17AapathasV21V16EaFiniteVainfix &gt;=alengthV23V2IapathasV23V22FIamemaTuple2V22V16aaddaTuple2V9V10V7FAainfix &gt;=alengthV24V2IapathasV24V16FaInfiniteamixfix []V12V16IamemV16averticesFFICainfix &gt;=ainfix +apath_weightV28V27aweightV27V25V26IamemaTuple2V27V25V7Iainfix &lt;alengthV28V2IapathasV28V27FAainfix &gt;=apath_weightV29V25V26Iainfix &lt;alengthV29V2IapathasV29V25FAainfix =apath_weightV30V25V26AapathasV30V25EaFiniteVainfix &gt;=alengthV32V2IapathasV32V31FIamemaTuple2V31V25V7FAainfix &gt;=alengthV33V2IapathasV33V25FaInfiniteamixfix []V5V25IamemV25averticesFANamemaTuple2V9V10V7AamemaTuple2V9V10aedgesAainfix =c1V2Oainfix &lt;c1V2Iainfix =V8aremoveV11V4AamemV11V4LaTuple2V9V10FFINNamemV34V4FLadiffaedgesV4INainfix =V6aTrueINamemV35V4Fqainfix =V6aTrueFICainfix &gt;=ainfix +apath_weightV39V38aweightV38V36V37IamemaTuple2V38V36adiffaedgesV4Iainfix &lt;alengthV39V2IapathasV39V38FAainfix &gt;=apath_weightV40V36V37Iainfix &lt;alengthV40V2IapathasV40V36FAainfix =apath_weightV41V36V37AapathasV41V36EaFiniteVainfix &gt;=alengthV43V2IapathasV43V42FIamemaTuple2V42V36adiffaedgesV4FAainfix &gt;=alengthV44V2IapathasV44V36FaInfiniteamixfix []V5V36IamemV36averticesFAamemV45aedgesIamemV45V4FFIainfix =V3aedgesFICainfix &gt;=ainfix +apath_weightV49V48aweightV48V46V47IamemaTuple2V48V46aemptyIainfix &lt;alengthV49V2IapathasV49V48FAainfix &gt;=apath_weightV50V46V47Iainfix &lt;alengthV50V2IapathasV50V46FAainfix =apath_weightV51V46V47AapathasV51V46EaFiniteVainfix &gt;=alengthV53V2IapathasV53V52FIamemaTuple2V52V46aemptyFAainfix &gt;=alengthV54V2IapathasV54V46FaInfiniteamixfix []V1V46IamemV46averticesFIainfix =V2V0Oainfix &lt;V2V0Aainfix =c1V2Oainfix &lt;c1V2FFIainfix =c1V0Oainfix &lt;c1V0Lainfix -acardinalaverticesc1">
@@ -1312,7 +1312,7 @@
             locfile="../bellman_ford.mlw"
             loclnum="186" loccnumb="6" loccnume="18"
             expl="3."
-            sum="e5bd590eb3030c2fc9bb9a5ab4af1f85"
+            sum="255369a1a731aeb4e324201a4f63fdd8"
             proved="true"
             expanded="true"
             shape="Cainfix &gt;=ainfix +apath_weightV16V15aweightV15V13V14IamemaTuple2V15V13adiffaedgesV8Iainfix &lt;alengthV16V2IapathasV16V15FaFiniteVtaInfiniteamixfix []V12V13IamemV13averticesFICainfix &gt;=ainfix +apath_weightV20V19aweightV19V17V18IamemaTuple2V19V17aaddaTuple2V9V10V7Iainfix &lt;alengthV20V2IapathasV20V19FAainfix &gt;=apath_weightV21V17V18Iainfix &lt;alengthV21V2IapathasV21V17FAainfix =apath_weightV22V17V18AapathasV22V17EaFiniteVainfix &gt;=alengthV24V2IapathasV24V23FIamemaTuple2V23V17aaddaTuple2V9V10V7FAainfix &gt;=alengthV25V2IapathasV25V17FaInfiniteamixfix []V12V17IamemV17averticesFFICainfix &gt;=ainfix +apath_weightV29V28aweightV28V26V27IamemaTuple2V28V26V7Iainfix &lt;alengthV29V2IapathasV29V28FAainfix &gt;=apath_weightV30V26V27Iainfix &lt;alengthV30V2IapathasV30V26FAainfix =apath_weightV31V26V27AapathasV31V26EaFiniteVainfix &gt;=alengthV33V2IapathasV33V32FIamemaTuple2V32V26V7FAainfix &gt;=alengthV34V2IapathasV34V26FaInfiniteamixfix []V5V26IamemV26averticesFANamemaTuple2V9V10V7AamemaTuple2V9V10aedgesAainfix =c1V2Oainfix &lt;c1V2Iainfix =V8aremoveV11V4AamemV11V4LaTuple2V9V10FFINNamemV35V4FLadiffaedgesV4INainfix =V6aTrueINamemV36V4Fqainfix =V6aTrueFICainfix &gt;=ainfix +apath_weightV40V39aweightV39V37V38IamemaTuple2V39V37adiffaedgesV4Iainfix &lt;alengthV40V2IapathasV40V39FAainfix &gt;=apath_weightV41V37V38Iainfix &lt;alengthV41V2IapathasV41V37FAainfix =apath_weightV42V37V38AapathasV42V37EaFiniteVainfix &gt;=alengthV44V2IapathasV44V43FIamemaTuple2V43V37adiffaedgesV4FAainfix &gt;=alengthV45V2IapathasV45V37FaInfiniteamixfix []V5V37IamemV37averticesFAamemV46aedgesIamemV46V4FFIainfix =V3aedgesFICainfix &gt;=ainfix +apath_weightV50V49aweightV49V47V48IamemaTuple2V49V47aemptyIainfix &lt;alengthV50V2IapathasV50V49FAainfix &gt;=apath_weightV51V47V48Iainfix &lt;alengthV51V2IapathasV51V47FAainfix =apath_weightV52V47V48AapathasV52V47EaFiniteVainfix &gt;=alengthV54V2IapathasV54V53FIamemaTuple2V53V47aemptyFAainfix &gt;=alengthV55V2IapathasV55V47FaInfiniteamixfix []V1V47IamemV47averticesFIainfix =V2V0Oainfix &lt;V2V0Aainfix =c1V2Oainfix &lt;c1V2FFIainfix =c1V0Oainfix &lt;c1V0Lainfix -acardinalaverticesc1">
@@ -1324,7 +1324,7 @@
              memlimit="1000"
              obsolete="false"
              archived="false">
-             <result status="valid" time="20.54"/>
+             <result status="valid" time="17.04"/>
             </proof>
            </goal>
            <goal
@@ -1332,7 +1332,7 @@
             locfile="../bellman_ford.mlw"
             loclnum="186" loccnumb="6" loccnume="18"
             expl="4."
-            sum="86f4530ecd9a2e6ae36731cfea726359"
+            sum="f77672e773edaf84e8302a04d633901d"
             proved="true"
             expanded="true"
             shape="CtaFiniteVainfix &gt;=alengthV15V2IapathasV15V13FaInfiniteamixfix []V12V13IamemV13averticesFICainfix &gt;=ainfix +apath_weightV19V18aweightV18V16V17IamemaTuple2V18V16aaddaTuple2V9V10V7Iainfix &lt;alengthV19V2IapathasV19V18FAainfix &gt;=apath_weightV20V16V17Iainfix &lt;alengthV20V2IapathasV20V16FAainfix =apath_weightV21V16V17AapathasV21V16EaFiniteVainfix &gt;=alengthV23V2IapathasV23V22FIamemaTuple2V22V16aaddaTuple2V9V10V7FAainfix &gt;=alengthV24V2IapathasV24V16FaInfiniteamixfix []V12V16IamemV16averticesFFICainfix &gt;=ainfix +apath_weightV28V27aweightV27V25V26IamemaTuple2V27V25V7Iainfix &lt;alengthV28V2IapathasV28V27FAainfix &gt;=apath_weightV29V25V26Iainfix &lt;alengthV29V2IapathasV29V25FAainfix =apath_weightV30V25V26AapathasV30V25EaFiniteVainfix &gt;=alengthV32V2IapathasV32V31FIamemaTuple2V31V25V7FAainfix &gt;=alengthV33V2IapathasV33V25FaInfiniteamixfix []V5V25IamemV25averticesFANamemaTuple2V9V10V7AamemaTuple2V9V10aedgesAainfix =c1V2Oainfix &lt;c1V2Iainfix =V8aremoveV11V4AamemV11V4LaTuple2V9V10FFINNamemV34V4FLadiffaedgesV4INainfix =V6aTrueINamemV35V4Fqainfix =V6aTrueFICainfix &gt;=ainfix +apath_weightV39V38aweightV38V36V37IamemaTuple2V38V36adiffaedgesV4Iainfix &lt;alengthV39V2IapathasV39V38FAainfix &gt;=apath_weightV40V36V37Iainfix &lt;alengthV40V2IapathasV40V36FAainfix =apath_weightV41V36V37AapathasV41V36EaFiniteVainfix &gt;=alengthV43V2IapathasV43V42FIamemaTuple2V42V36adiffaedgesV4FAainfix &gt;=alengthV44V2IapathasV44V36FaInfiniteamixfix []V5V36IamemV36averticesFAamemV45aedgesIamemV45V4FFIainfix =V3aedgesFICainfix &gt;=ainfix +apath_weightV49V48aweightV48V46V47IamemaTuple2V48V46aemptyIainfix &lt;alengthV49V2IapathasV49V48FAainfix &gt;=apath_weightV50V46V47Iainfix &lt;alengthV50V2IapathasV50V46FAainfix =apath_weightV51V46V47AapathasV51V46EaFiniteVainfix &gt;=alengthV53V2IapathasV53V52FIamemaTuple2V52V46aemptyFAainfix &gt;=alengthV54V2IapathasV54V46FaInfiniteamixfix []V1V46IamemV46averticesFIainfix =V2V0Oainfix &lt;V2V0Aainfix =c1V2Oainfix &lt;c1V2FFIainfix =c1V0Oainfix &lt;c1V0Lainfix -acardinalaverticesc1">
@@ -1360,7 +1360,7 @@
             locfile="../bellman_ford.mlw"
             loclnum="186" loccnumb="6" loccnume="18"
             expl="5."
-            sum="91336b9bcf76b0ed9a519547ebebaa1b"
+            sum="2ecfb941bf7644d79bb49c98834216aa"
             proved="true"
             expanded="true"
             shape="CtaFiniteVainfix &gt;=alengthV16V2IapathasV16V15FIamemaTuple2V15V13adiffaedgesV8FaInfiniteamixfix []V12V13IamemV13averticesFICainfix &gt;=ainfix +apath_weightV20V19aweightV19V17V18IamemaTuple2V19V17aaddaTuple2V9V10V7Iainfix &lt;alengthV20V2IapathasV20V19FAainfix &gt;=apath_weightV21V17V18Iainfix &lt;alengthV21V2IapathasV21V17FAainfix =apath_weightV22V17V18AapathasV22V17EaFiniteVainfix &gt;=alengthV24V2IapathasV24V23FIamemaTuple2V23V17aaddaTuple2V9V10V7FAainfix &gt;=alengthV25V2IapathasV25V17FaInfiniteamixfix []V12V17IamemV17averticesFFICainfix &gt;=ainfix +apath_weightV29V28aweightV28V26V27IamemaTuple2V28V26V7Iainfix &lt;alengthV29V2IapathasV29V28FAainfix &gt;=apath_weightV30V26V27Iainfix &lt;alengthV30V2IapathasV30V26FAainfix =apath_weightV31V26V27AapathasV31V26EaFiniteVainfix &gt;=alengthV33V2IapathasV33V32FIamemaTuple2V32V26V7FAainfix &gt;=alengthV34V2IapathasV34V26FaInfiniteamixfix []V5V26IamemV26averticesFANamemaTuple2V9V10V7AamemaTuple2V9V10aedgesAainfix =c1V2Oainfix &lt;c1V2Iainfix =V8aremoveV11V4AamemV11V4LaTuple2V9V10FFINNamemV35V4FLadiffaedgesV4INainfix =V6aTrueINamemV36V4Fqainfix =V6aTrueFICainfix &gt;=ainfix +apath_weightV40V39aweightV39V37V38IamemaTuple2V39V37adiffaedgesV4Iainfix &lt;alengthV40V2IapathasV40V39FAainfix &gt;=apath_weightV41V37V38Iainfix &lt;alengthV41V2IapathasV41V37FAainfix =apath_weightV42V37V38AapathasV42V37EaFiniteVainfix &gt;=alengthV44V2IapathasV44V43FIamemaTuple2V43V37adiffaedgesV4FAainfix &gt;=alengthV45V2IapathasV45V37FaInfiniteamixfix []V5V37IamemV37averticesFAamemV46aedgesIamemV46V4FFIainfix =V3aedgesFICainfix &gt;=ainfix +apath_weightV50V49aweightV49V47V48IamemaTuple2V49V47aemptyIainfix &lt;alengthV50V2IapathasV50V49FAainfix &gt;=apath_weightV51V47V48Iainfix &lt;alengthV51V2IapathasV51V47FAainfix =apath_weightV52V47V48AapathasV52V47EaFiniteVainfix &gt;=alengthV54V2IapathasV54V53FIamemaTuple2V53V47aemptyFAainfix &gt;=alengthV55V2IapathasV55V47FaInfiniteamixfix []V1V47IamemV47averticesFIainfix =V2V0Oainfix &lt;V2V0Aainfix =c1V2Oainfix &lt;c1V2FFIainfix =c1V0Oainfix &lt;c1V0Lainfix -acardinalaverticesc1">
@@ -1394,7 +1394,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="15. loop variant decrease"
-      sum="e141cfc7d2afac49fb8086877253d8a6"
+      sum="2d77d42e409fbdf5e3f3842d8bb185b3"
       proved="true"
       expanded="true"
       shape="loop variant decreaseainfix &lt;acardinalV8acardinalV4Aainfix &lt;=c0acardinalV4Iainv1V12V2aaddaTuple2V9V10V7FIainv1V5V2V7ANamemaTuple2V9V10V7AamemaTuple2V9V10aedgesAainfix &lt;=c1V2Iainfix =V8aremoveV11V4AamemV11V4LaTuple2V9V10FFINais_emptyV4LadiffaedgesV4INainfix =V6aTrueIais_emptyV4qainfix =V6aTrueFIainv1V5V2adiffaedgesV4AasubsetV4aedgesFIainfix =V3aedgesFIainv1V1V2aemptyIainfix &lt;=V2V0Aainfix &lt;=c1V2FFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1414,7 +1414,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="16. assertion"
-      sum="730acf240df42311e18748b06476d64d"
+      sum="4af81a0c677ee019bc1dc5583e2c9f2a"
       proved="true"
       expanded="true"
       shape="assertionainv1V5V2aedgesINNainfix =V6aTrueIais_emptyV4qainfix =V6aTrueFIainv1V5V2adiffaedgesV4AasubsetV4aedgesFIainfix =V3aedgesFIainv1V1V2aemptyIainfix &lt;=V2V0Aainfix &lt;=c1V2FFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1429,7 +1429,7 @@
         locfile="../bellman_ford.mlw"
         loclnum="186" loccnumb="6" loccnume="18"
         expl="1. assertion"
-        sum="86a80dc94a49d050409bc34ff5ca1f52"
+        sum="ff3c89e08abaa368aa8fa689e451a327"
         proved="true"
         expanded="true"
         shape="assertionCainfix &gt;=ainfix +apath_weightV10V9aweightV9V7V8IamemaTuple2V9V7aedgesIainfix &lt;alengthV10V2IapathasV10V9FAainfix &gt;=apath_weightV11V7V8Iainfix &lt;alengthV11V2IapathasV11V7FAainfix =apath_weightV12V7V8AapathasV12V7EaFiniteVainfix &gt;=alengthV14V2IapathasV14V13FIamemaTuple2V13V7aedgesFAainfix &gt;=alengthV15V2IapathasV15V7FaInfiniteamixfix []V5V7IamemV7averticesFINNainfix =V6aTrueINamemV16V4Fqainfix =V6aTrueFICainfix &gt;=ainfix +apath_weightV20V19aweightV19V17V18IamemaTuple2V19V17adiffaedgesV4Iainfix &lt;alengthV20V2IapathasV20V19FAainfix &gt;=apath_weightV21V17V18Iainfix &lt;alengthV21V2IapathasV21V17FAainfix =apath_weightV22V17V18AapathasV22V17EaFiniteVainfix &gt;=alengthV24V2IapathasV24V23FIamemaTuple2V23V17adiffaedgesV4FAainfix &gt;=alengthV25V2IapathasV25V17FaInfiniteamixfix []V5V17IamemV17averticesFAamemV26aedgesIamemV26V4FFIainfix =V3aedgesFICainfix &gt;=ainfix +apath_weightV30V29aweightV29V27V28IamemaTuple2V29V27aemptyIainfix &lt;alengthV30V2IapathasV30V29FAainfix &gt;=apath_weightV31V27V28Iainfix &lt;alengthV31V2IapathasV31V27FAainfix =apath_weightV32V27V28AapathasV32V27EaFiniteVainfix &gt;=alengthV34V2IapathasV34V33FIamemaTuple2V33V27aemptyFAainfix &gt;=alengthV35V2IapathasV35V27FaInfiniteamixfix []V1V27IamemV27averticesFIainfix =V2V0Oainfix &lt;V2V0Aainfix =c1V2Oainfix &lt;c1V2FFIainfix =c1V0Oainfix &lt;c1V0Lainfix -acardinalaverticesc1">
@@ -1451,7 +1451,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="17. loop invariant preservation"
-      sum="e8bbc44756e0c77699b72c6f5db98cac"
+      sum="29ca61034aa0f18f959b3ee960edbc05"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainv1V5ainfix +V2c1aemptyIainv1V5V2aedgesINNainfix =V6aTrueIais_emptyV4qainfix =V6aTrueFIainv1V5V2adiffaedgesV4AasubsetV4aedgesFIainfix =V3aedgesFIainv1V1V2aemptyIainfix &lt;=V2V0Aainfix &lt;=c1V2FFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1466,7 +1466,7 @@
         locfile="../bellman_ford.mlw"
         loclnum="186" loccnumb="6" loccnume="18"
         expl="1. loop invariant preservation"
-        sum="05bd73338ae045e874ba83d81249eb48"
+        sum="bf8db9dd443d1a5ff5575e19737ad3f6"
         proved="true"
         expanded="true"
         shape="loop invariant preservationCainfix &gt;=ainfix +apath_weightV10V9aweightV9V7V8IamemaTuple2V9V7aemptyIainfix &lt;alengthV10ainfix +V2c1IapathasV10V9FAainfix &gt;=apath_weightV11V7V8Iainfix &lt;alengthV11ainfix +V2c1IapathasV11V7FAainfix =apath_weightV12V7V8AapathasV12V7EaFiniteVainfix &gt;=alengthV14ainfix +V2c1IapathasV14V13FIamemaTuple2V13V7aemptyFAainfix &gt;=alengthV15ainfix +V2c1IapathasV15V7FaInfiniteamixfix []V5V7IamemV7averticesFICainfix &gt;=ainfix +apath_weightV19V18aweightV18V16V17IamemaTuple2V18V16aedgesIainfix &lt;alengthV19V2IapathasV19V18FAainfix &gt;=apath_weightV20V16V17Iainfix &lt;alengthV20V2IapathasV20V16FAainfix =apath_weightV21V16V17AapathasV21V16EaFiniteVainfix &gt;=alengthV23V2IapathasV23V22FIamemaTuple2V22V16aedgesFAainfix &gt;=alengthV24V2IapathasV24V16FaInfiniteamixfix []V5V16IamemV16averticesFINNainfix =V6aTrueINamemV25V4Fqainfix =V6aTrueFICainfix &gt;=ainfix +apath_weightV29V28aweightV28V26V27IamemaTuple2V28V26adiffaedgesV4Iainfix &lt;alengthV29V2IapathasV29V28FAainfix &gt;=apath_weightV30V26V27Iainfix &lt;alengthV30V2IapathasV30V26FAainfix =apath_weightV31V26V27AapathasV31V26EaFiniteVainfix &gt;=alengthV33V2IapathasV33V32FIamemaTuple2V32V26adiffaedgesV4FAainfix &gt;=alengthV34V2IapathasV34V26FaInfiniteamixfix []V5V26IamemV26averticesFAamemV35aedgesIamemV35V4FFIainfix =V3aedgesFICainfix &gt;=ainfix +apath_weightV39V38aweightV38V36V37IamemaTuple2V38V36aemptyIainfix &lt;alengthV39V2IapathasV39V38FAainfix &gt;=apath_weightV40V36V37Iainfix &lt;alengthV40V2IapathasV40V36FAainfix =apath_weightV41V36V37AapathasV41V36EaFiniteVainfix &gt;=alengthV43V2IapathasV43V42FIamemaTuple2V42V36aemptyFAainfix &gt;=alengthV44V2IapathasV44V36FaInfiniteamixfix []V1V36IamemV36averticesFIainfix =V2V0Oainfix &lt;V2V0Aainfix =c1V2Oainfix &lt;c1V2FFIainfix =c1V0Oainfix &lt;c1V0Lainfix -acardinalaverticesc1">
@@ -1481,7 +1481,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="186" loccnumb="6" loccnume="18"
           expl="1. loop invariant preservation"
-          sum="2ef40816c46a819ff1c69aad4e192f8d"
+          sum="6684b9b91afe1c21001cdca9eaa2c51d"
           proved="true"
           expanded="true"
           shape="loop invariant preservationCainfix =apath_weightV9V7V8AapathasV9V7EaFiniteVtaInfiniteamixfix []V5V7IamemV7averticesFICainfix &gt;=ainfix +apath_weightV13V12aweightV12V10V11IamemaTuple2V12V10aedgesIainfix &lt;alengthV13V2IapathasV13V12FAainfix &gt;=apath_weightV14V10V11Iainfix &lt;alengthV14V2IapathasV14V10FAainfix =apath_weightV15V10V11AapathasV15V10EaFiniteVainfix &gt;=alengthV17V2IapathasV17V16FIamemaTuple2V16V10aedgesFAainfix &gt;=alengthV18V2IapathasV18V10FaInfiniteamixfix []V5V10IamemV10averticesFINNainfix =V6aTrueINamemV19V4Fqainfix =V6aTrueFICainfix &gt;=ainfix +apath_weightV23V22aweightV22V20V21IamemaTuple2V22V20adiffaedgesV4Iainfix &lt;alengthV23V2IapathasV23V22FAainfix &gt;=apath_weightV24V20V21Iainfix &lt;alengthV24V2IapathasV24V20FAainfix =apath_weightV25V20V21AapathasV25V20EaFiniteVainfix &gt;=alengthV27V2IapathasV27V26FIamemaTuple2V26V20adiffaedgesV4FAainfix &gt;=alengthV28V2IapathasV28V20FaInfiniteamixfix []V5V20IamemV20averticesFAamemV29aedgesIamemV29V4FFIainfix =V3aedgesFICainfix &gt;=ainfix +apath_weightV33V32aweightV32V30V31IamemaTuple2V32V30aemptyIainfix &lt;alengthV33V2IapathasV33V32FAainfix &gt;=apath_weightV34V30V31Iainfix &lt;alengthV34V2IapathasV34V30FAainfix =apath_weightV35V30V31AapathasV35V30EaFiniteVainfix &gt;=alengthV37V2IapathasV37V36FIamemaTuple2V36V30aemptyFAainfix &gt;=alengthV38V2IapathasV38V30FaInfiniteamixfix []V1V30IamemV30averticesFIainfix =V2V0Oainfix &lt;V2V0Aainfix =c1V2Oainfix &lt;c1V2FFIainfix =c1V0Oainfix &lt;c1V0Lainfix -acardinalaverticesc1">
@@ -1501,7 +1501,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="186" loccnumb="6" loccnume="18"
           expl="2. loop invariant preservation"
-          sum="7bb976f08eca9edf7078f4cda5d9a742"
+          sum="95b86554a5252094d8ba14c81cba4b08"
           proved="true"
           expanded="true"
           shape="loop invariant preservationCainfix &gt;=apath_weightV9V7V8Iainfix &lt;alengthV9ainfix +V2c1IapathasV9V7FaFiniteVtaInfiniteamixfix []V5V7IamemV7averticesFICainfix &gt;=ainfix +apath_weightV13V12aweightV12V10V11IamemaTuple2V12V10aedgesIainfix &lt;alengthV13V2IapathasV13V12FAainfix &gt;=apath_weightV14V10V11Iainfix &lt;alengthV14V2IapathasV14V10FAainfix =apath_weightV15V10V11AapathasV15V10EaFiniteVainfix &gt;=alengthV17V2IapathasV17V16FIamemaTuple2V16V10aedgesFAainfix &gt;=alengthV18V2IapathasV18V10FaInfiniteamixfix []V5V10IamemV10averticesFINNainfix =V6aTrueINamemV19V4Fqainfix =V6aTrueFICainfix &gt;=ainfix +apath_weightV23V22aweightV22V20V21IamemaTuple2V22V20adiffaedgesV4Iainfix &lt;alengthV23V2IapathasV23V22FAainfix &gt;=apath_weightV24V20V21Iainfix &lt;alengthV24V2IapathasV24V20FAainfix =apath_weightV25V20V21AapathasV25V20EaFiniteVainfix &gt;=alengthV27V2IapathasV27V26FIamemaTuple2V26V20adiffaedgesV4FAainfix &gt;=alengthV28V2IapathasV28V20FaInfiniteamixfix []V5V20IamemV20averticesFAamemV29aedgesIamemV29V4FFIainfix =V3aedgesFICainfix &gt;=ainfix +apath_weightV33V32aweightV32V30V31IamemaTuple2V32V30aemptyIainfix &lt;alengthV33V2IapathasV33V32FAainfix &gt;=apath_weightV34V30V31Iainfix &lt;alengthV34V2IapathasV34V30FAainfix =apath_weightV35V30V31AapathasV35V30EaFiniteVainfix &gt;=alengthV37V2IapathasV37V36FIamemaTuple2V36V30aemptyFAainfix &gt;=alengthV38V2IapathasV38V30FaInfiniteamixfix []V1V30IamemV30averticesFIainfix =V2V0Oainfix &lt;V2V0Aainfix =c1V2Oainfix &lt;c1V2FFIainfix =c1V0Oainfix &lt;c1V0Lainfix -acardinalaverticesc1">
@@ -1522,7 +1522,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="186" loccnumb="6" loccnume="18"
           expl="3. loop invariant preservation"
-          sum="96afe348ce7f83b69532fcc5955960d2"
+          sum="c646a33e5575dab2fdfa8abaf91d56b3"
           proved="true"
           expanded="true"
           shape="loop invariant preservationCainfix &gt;=ainfix +apath_weightV10V9aweightV9V7V8IamemaTuple2V9V7aemptyIainfix &lt;alengthV10ainfix +V2c1IapathasV10V9FaFiniteVtaInfiniteamixfix []V5V7IamemV7averticesFICainfix &gt;=ainfix +apath_weightV14V13aweightV13V11V12IamemaTuple2V13V11aedgesIainfix &lt;alengthV14V2IapathasV14V13FAainfix &gt;=apath_weightV15V11V12Iainfix &lt;alengthV15V2IapathasV15V11FAainfix =apath_weightV16V11V12AapathasV16V11EaFiniteVainfix &gt;=alengthV18V2IapathasV18V17FIamemaTuple2V17V11aedgesFAainfix &gt;=alengthV19V2IapathasV19V11FaInfiniteamixfix []V5V11IamemV11averticesFINNainfix =V6aTrueINamemV20V4Fqainfix =V6aTrueFICainfix &gt;=ainfix +apath_weightV24V23aweightV23V21V22IamemaTuple2V23V21adiffaedgesV4Iainfix &lt;alengthV24V2IapathasV24V23FAainfix &gt;=apath_weightV25V21V22Iainfix &lt;alengthV25V2IapathasV25V21FAainfix =apath_weightV26V21V22AapathasV26V21EaFiniteVainfix &gt;=alengthV28V2IapathasV28V27FIamemaTuple2V27V21adiffaedgesV4FAainfix &gt;=alengthV29V2IapathasV29V21FaInfiniteamixfix []V5V21IamemV21averticesFAamemV30aedgesIamemV30V4FFIainfix =V3aedgesFICainfix &gt;=ainfix +apath_weightV34V33aweightV33V31V32IamemaTuple2V33V31aemptyIainfix &lt;alengthV34V2IapathasV34V33FAainfix &gt;=apath_weightV35V31V32Iainfix &lt;alengthV35V2IapathasV35V31FAainfix =apath_weightV36V31V32AapathasV36V31EaFiniteVainfix &gt;=alengthV38V2IapathasV38V37FIamemaTuple2V37V31aemptyFAainfix &gt;=alengthV39V2IapathasV39V31FaInfiniteamixfix []V1V31IamemV31averticesFIainfix =V2V0Oainfix &lt;V2V0Aainfix =c1V2Oainfix &lt;c1V2FFIainfix =c1V0Oainfix &lt;c1V0Lainfix -acardinalaverticesc1">
@@ -1558,7 +1558,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="186" loccnumb="6" loccnume="18"
           expl="4. loop invariant preservation"
-          sum="de32086436c77cb9c20ae6d4889d8333"
+          sum="b0869bb09074e922e1ceb3ab0482fca9"
           proved="true"
           expanded="true"
           shape="loop invariant preservationCtaFiniteVainfix &gt;=alengthV9ainfix +V2c1IapathasV9V7FaInfiniteamixfix []V5V7IamemV7averticesFICainfix &gt;=ainfix +apath_weightV13V12aweightV12V10V11IamemaTuple2V12V10aedgesIainfix &lt;alengthV13V2IapathasV13V12FAainfix &gt;=apath_weightV14V10V11Iainfix &lt;alengthV14V2IapathasV14V10FAainfix =apath_weightV15V10V11AapathasV15V10EaFiniteVainfix &gt;=alengthV17V2IapathasV17V16FIamemaTuple2V16V10aedgesFAainfix &gt;=alengthV18V2IapathasV18V10FaInfiniteamixfix []V5V10IamemV10averticesFINNainfix =V6aTrueINamemV19V4Fqainfix =V6aTrueFICainfix &gt;=ainfix +apath_weightV23V22aweightV22V20V21IamemaTuple2V22V20adiffaedgesV4Iainfix &lt;alengthV23V2IapathasV23V22FAainfix &gt;=apath_weightV24V20V21Iainfix &lt;alengthV24V2IapathasV24V20FAainfix =apath_weightV25V20V21AapathasV25V20EaFiniteVainfix &gt;=alengthV27V2IapathasV27V26FIamemaTuple2V26V20adiffaedgesV4FAainfix &gt;=alengthV28V2IapathasV28V20FaInfiniteamixfix []V5V20IamemV20averticesFAamemV29aedgesIamemV29V4FFIainfix =V3aedgesFICainfix &gt;=ainfix +apath_weightV33V32aweightV32V30V31IamemaTuple2V32V30aemptyIainfix &lt;alengthV33V2IapathasV33V32FAainfix &gt;=apath_weightV34V30V31Iainfix &lt;alengthV34V2IapathasV34V30FAainfix =apath_weightV35V30V31AapathasV35V30EaFiniteVainfix &gt;=alengthV37V2IapathasV37V36FIamemaTuple2V36V30aemptyFAainfix &gt;=alengthV38V2IapathasV38V30FaInfiniteamixfix []V1V30IamemV30averticesFIainfix =V2V0Oainfix &lt;V2V0Aainfix =c1V2Oainfix &lt;c1V2FFIainfix =c1V0Oainfix &lt;c1V0Lainfix -acardinalaverticesc1">
@@ -1579,7 +1579,7 @@
           locfile="../bellman_ford.mlw"
           loclnum="186" loccnumb="6" loccnume="18"
           expl="5. loop invariant preservation"
-          sum="731b5465ebcb6b95cdc8e93cd6d722ff"
+          sum="2b00b3b4c52710af44bcd692542e15d6"
           proved="true"
           expanded="true"
           shape="loop invariant preservationCtaFiniteVainfix &gt;=alengthV10ainfix +V2c1IapathasV10V9FIamemaTuple2V9V7aemptyFaInfiniteamixfix []V5V7IamemV7averticesFICainfix &gt;=ainfix +apath_weightV14V13aweightV13V11V12IamemaTuple2V13V11aedgesIainfix &lt;alengthV14V2IapathasV14V13FAainfix &gt;=apath_weightV15V11V12Iainfix &lt;alengthV15V2IapathasV15V11FAainfix =apath_weightV16V11V12AapathasV16V11EaFiniteVainfix &gt;=alengthV18V2IapathasV18V17FIamemaTuple2V17V11aedgesFAainfix &gt;=alengthV19V2IapathasV19V11FaInfiniteamixfix []V5V11IamemV11averticesFINNainfix =V6aTrueINamemV20V4Fqainfix =V6aTrueFICainfix &gt;=ainfix +apath_weightV24V23aweightV23V21V22IamemaTuple2V23V21adiffaedgesV4Iainfix &lt;alengthV24V2IapathasV24V23FAainfix &gt;=apath_weightV25V21V22Iainfix &lt;alengthV25V2IapathasV25V21FAainfix =apath_weightV26V21V22AapathasV26V21EaFiniteVainfix &gt;=alengthV28V2IapathasV28V27FIamemaTuple2V27V21adiffaedgesV4FAainfix &gt;=alengthV29V2IapathasV29V21FaInfiniteamixfix []V5V21IamemV21averticesFAamemV30aedgesIamemV30V4FFIainfix =V3aedgesFICainfix &gt;=ainfix +apath_weightV34V33aweightV33V31V32IamemaTuple2V33V31aemptyIainfix &lt;alengthV34V2IapathasV34V33FAainfix &gt;=apath_weightV35V31V32Iainfix &lt;alengthV35V2IapathasV35V31FAainfix =apath_weightV36V31V32AapathasV36V31EaFiniteVainfix &gt;=alengthV38V2IapathasV38V37FIamemaTuple2V37V31aemptyFAainfix &gt;=alengthV39V2IapathasV39V31FaInfiniteamixfix []V1V31IamemV31averticesFIainfix =V2V0Oainfix &lt;V2V0Aainfix =c1V2Oainfix &lt;c1V2FFIainfix =c1V0Oainfix &lt;c1V0Lainfix -acardinalaverticesc1">
@@ -1603,7 +1603,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="18. assertion"
-      sum="ed0a01f449c2929570a3d35ad6407ca1"
+      sum="bc59c1991f937d49166015ffa0cf7354"
       proved="true"
       expanded="true"
       shape="assertionainv1V1acardinalaverticesaemptyIainv1V1ainfix +V0c1aemptyFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1623,7 +1623,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="19. loop invariant init"
-      sum="eff52ec2530a31413789129aa0ae077a"
+      sum="23e05cdfdb54116d7f547e46b4eb2009"
       proved="true"
       expanded="true"
       shape="loop invariant initainv2V1adiffaedgesV2AasubsetV2aedgesIainfix =V2aedgesFIainv1V1acardinalaverticesaemptyIainv1V1ainfix +V0c1aemptyFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1643,7 +1643,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="20. precondition"
-      sum="b44906b054ad12b67414b71e35a9259c"
+      sum="fe4834909e26877b8d49ff67bfc73261"
       proved="true"
       expanded="true"
       shape="preconditionNais_emptyV3INainfix =V4aTrueIais_emptyV3qainfix =V4aTrueFIainv2V1adiffaedgesV3AasubsetV3aedgesFIainfix =V2aedgesFIainv1V1acardinalaverticesaemptyIainv1V1ainfix +V0c1aemptyFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1663,7 +1663,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="21. exceptional postcondition"
-      sum="cc35810426dff4c1d9ed56ebd4320fed"
+      sum="eb5dc1ff504e28afed60fb44357a586d"
       proved="true"
       expanded="true"
       shape="exceptional postconditionanegative_cycleV9EICfaInfiniteCtaInfiniteainfix &lt;ainfix +V10aweightV6V7V11aFiniteVagetV1V7aFiniteVagetV1V6Iainfix =V5aremoveV8V3AamemV8V3LaTuple2V6V7FFINais_emptyV3INainfix =V4aTrueIais_emptyV3qainfix =V4aTrueFIainv2V1adiffaedgesV3AasubsetV3aedgesFIainfix =V2aedgesFIainv1V1acardinalaverticesaemptyIainv1V1ainfix +V0c1aemptyFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1676,7 +1676,7 @@
        edited="bf_WP_BellmanFord_WP_parameter_bellman_ford_15.v"
        obsolete="false"
        archived="false">
-       <result status="valid" time="3.66"/>
+       <result status="valid" time="3.16"/>
       </proof>
      </goal>
      <goal
@@ -1684,7 +1684,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="22. loop invariant preservation"
-      sum="1330eb5bf5dd3b8091a92956e2ebea1e"
+      sum="a516c33a37f34add148850def4caa137"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainv2V1adiffaedgesV5AasubsetV5aedgesINCfaInfiniteCtaInfiniteainfix &lt;ainfix +V9aweightV6V7V10aFiniteVagetV1V7aFiniteVagetV1V6Iainfix =V5aremoveV8V3AamemV8V3LaTuple2V6V7FFINais_emptyV3INainfix =V4aTrueIais_emptyV3qainfix =V4aTrueFIainv2V1adiffaedgesV3AasubsetV3aedgesFIainfix =V2aedgesFIainv1V1acardinalaverticesaemptyIainv1V1ainfix +V0c1aemptyFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1699,7 +1699,7 @@
         locfile="../bellman_ford.mlw"
         loclnum="186" loccnumb="6" loccnume="18"
         expl="1."
-        sum="f8c530c065da85ba3f08d64a749e1487"
+        sum="ad6b7b841fd41753e7e3b982caedf28f"
         proved="true"
         expanded="true"
         shape="asubsetV5aedgesINCfaInfiniteCtaInfiniteainfix &lt;ainfix +V9aweightV6V7V10aFiniteVagetV1V7aFiniteVagetV1V6Iainfix =V5aremoveV8V3AamemV8V3LaTuple2V6V7FFINais_emptyV3INainfix =V4aTrueIais_emptyV3qainfix =V4aTrueFIainv2V1adiffaedgesV3AasubsetV3aedgesFIainfix =V2aedgesFIainv1V1acardinalaverticesaemptyIainv1V1ainfix +V0c1aemptyFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1719,7 +1719,7 @@
         locfile="../bellman_ford.mlw"
         loclnum="186" loccnumb="6" loccnume="18"
         expl="2."
-        sum="68924f83ada96d4432515d3a21d1b46b"
+        sum="2c4585322aad585a25fa83933af3b4cc"
         proved="true"
         expanded="true"
         shape="ainv2V1adiffaedgesV5INCfaInfiniteCtaInfiniteainfix &lt;ainfix +V9aweightV6V7V10aFiniteVagetV1V7aFiniteVagetV1V6Iainfix =V5aremoveV8V3AamemV8V3LaTuple2V6V7FFINais_emptyV3INainfix =V4aTrueIais_emptyV3qainfix =V4aTrueFIainv2V1adiffaedgesV3AasubsetV3aedgesFIainfix =V2aedgesFIainv1V1acardinalaverticesaemptyIainv1V1ainfix +V0c1aemptyFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1741,7 +1741,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="23. loop variant decrease"
-      sum="0ff8c1bc91642a931fea88f41aef9f46"
+      sum="ebb0f61858d41c3b27b0711df6a5ab7d"
       proved="true"
       expanded="true"
       shape="loop variant decreaseainfix &lt;acardinalV5acardinalV3Aainfix &lt;=c0acardinalV3INCfaInfiniteCtaInfiniteainfix &lt;ainfix +V9aweightV6V7V10aFiniteVagetV1V7aFiniteVagetV1V6Iainfix =V5aremoveV8V3AamemV8V3LaTuple2V6V7FFINais_emptyV3INainfix =V4aTrueIais_emptyV3qainfix =V4aTrueFIainv2V1adiffaedgesV3AasubsetV3aedgesFIainfix =V2aedgesFIainv1V1acardinalaverticesaemptyIainv1V1ainfix +V0c1aemptyFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1761,7 +1761,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="24. assertion"
-      sum="12853925731b5c15c67bf880705d94b6"
+      sum="e607415aba24cc55f7a14221cbe667d4"
       proved="true"
       expanded="true"
       shape="assertionainv2V1aedgesINNainfix =V4aTrueIais_emptyV3qainfix =V4aTrueFIainv2V1adiffaedgesV3AasubsetV3aedgesFIainfix =V2aedgesFIainv1V1acardinalaverticesaemptyIainv1V1ainfix +V0c1aemptyFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1781,7 +1781,7 @@
       locfile="../bellman_ford.mlw"
       loclnum="186" loccnumb="6" loccnume="18"
       expl="25. postcondition"
-      sum="b6cc9bf65124d7aae78c05e2d7cf52b0"
+      sum="50db7b358e7997546d617911ad7e200b"
       proved="true"
       expanded="true"
       shape="postconditionCainfix &gt;=apath_weightV7V5V6IapathasV7V5FAainfix =apath_weightV8V5V6AapathasV8V5EaFiniteVNapathasV9V5FaInfiniteagetV1V5IamemV5averticesFIainv2V1aedgesINNainfix =V4aTrueIais_emptyV3qainfix =V4aTrueFIainv2V1adiffaedgesV3AasubsetV3aedgesFIainfix =V2aedgesFIainv1V1acardinalaverticesaemptyIainv1V1ainfix +V0c1aemptyFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1796,7 +1796,7 @@
         locfile="../bellman_ford.mlw"
         loclnum="186" loccnumb="6" loccnume="18"
         expl="1. postcondition"
-        sum="399165eb8803db2a17b99622be0efa79"
+        sum="5490f3e5c2c54393d77fbd14e2a96017"
         proved="true"
         expanded="true"
         shape="postconditionCainfix =apath_weightV7V5V6AapathasV7V5EaFiniteVtaInfiniteagetV1V5IamemV5averticesFIainv2V1aedgesINNainfix =V4aTrueIais_emptyV3qainfix =V4aTrueFIainv2V1adiffaedgesV3AasubsetV3aedgesFIainfix =V2aedgesFIainv1V1acardinalaverticesaemptyIainv1V1ainfix +V0c1aemptyFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1832,7 +1832,7 @@
         locfile="../bellman_ford.mlw"
         loclnum="186" loccnumb="6" loccnume="18"
         expl="2. postcondition"
-        sum="dcda1568eee4cba9992a54fd35479b6a"
+        sum="92001cb6e4152ee270f9f66dc24154c4"
         proved="true"
         expanded="true"
         shape="postconditionCainfix &gt;=apath_weightV7V5V6IapathasV7V5FaFiniteVtaInfiniteagetV1V5IamemV5averticesFIainv2V1aedgesINNainfix =V4aTrueIais_emptyV3qainfix =V4aTrueFIainv2V1adiffaedgesV3AasubsetV3aedgesFIainfix =V2aedgesFIainv1V1acardinalaverticesaemptyIainv1V1ainfix +V0c1aemptyFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
@@ -1845,7 +1845,7 @@
          edited="bf_WP_BellmanFord_WP_parameter_bellman_ford_19.v"
          obsolete="false"
          archived="false">
-         <result status="valid" time="1.71"/>
+         <result status="valid" time="1.38"/>
         </proof>
        </goal>
        <goal
@@ -1853,7 +1853,7 @@
         locfile="../bellman_ford.mlw"
         loclnum="186" loccnumb="6" loccnume="18"
         expl="3. postcondition"
-        sum="7972c7f869832fecbf9a96cadf91830d"
+        sum="7b7fe89f524f8db00c8e9721da2da947"
         proved="true"
         expanded="true"
         shape="postconditionCtaFiniteVNapathasV7V5FaInfiniteagetV1V5IamemV5averticesFIainv2V1aedgesINNainfix =V4aTrueIais_emptyV3qainfix =V4aTrueFIainv2V1adiffaedgesV3AasubsetV3aedgesFIainfix =V2aedgesFIainv1V1acardinalaverticesaemptyIainv1V1ainfix +V0c1aemptyFIainfix &lt;=c1V0Lainfix -acardinalaverticesc1">
diff --git a/examples/binary_search/why3session.xml b/examples/binary_search/why3session.xml
index 37427b0534a2dca11f224579843e7e48f28d14f0..5c9da72f7526e079276fbe6421038e1fde3ed877 100644
--- a/examples/binary_search/why3session.xml
+++ b/examples/binary_search/why3session.xml
@@ -28,7 +28,7 @@
     locfile="../binary_search.mlw"
     loclnum="17" loccnumb="6" loccnume="19"
     expl="VC for binary_search"
-    sum="0c1844fcada8193928cd318f88d39662"
+    sum="f2be93ac5079fd20e85d57cd6badf8bf"
     proved="true"
     expanded="true"
     shape="iNainfix =agetV1V5V2Iainfix &lt;V5V0Aainfix &lt;=c0V5Fiiainfix =agetV1V6V2Aainfix &lt;V6V0Aainfix &lt;=c0V6ainfix &lt;ainfix -V7V4ainfix -V3V4Aainfix &lt;=c0ainfix -V3V4Aainfix &lt;=V8V7Aainfix &lt;=V4V8Iainfix =agetV1V8V2Iainfix &lt;V8V0Aainfix &lt;=c0V8FAainfix &lt;V7V0Aainfix &lt;=c0V4Iainfix =V7ainfix -V6c1Fainfix &gt;agetV1V6V2Aainfix &lt;V6V0Aainfix &lt;=c0V6ainfix &lt;ainfix -V3V9ainfix -V3V4Aainfix &lt;=c0ainfix -V3V4Aainfix &lt;=V10V3Aainfix &lt;=V9V10Iainfix =agetV1V10V2Iainfix &lt;V10V0Aainfix &lt;=c0V10FAainfix &lt;V3V0Aainfix &lt;=c0V9Iainfix =V9ainfix +V6c1Fainfix &lt;agetV1V6V2Aainfix &lt;V6V0Aainfix &lt;=c0V6Aainfix &lt;=V6V3Aainfix &lt;=V4V6Lainfix +V4adivainfix -V3V4c2ainfix &lt;=V4V3Iainfix &lt;=V11V3Aainfix &lt;=V4V11Iainfix =agetV1V11V2Iainfix &lt;V11V0Aainfix &lt;=c0V11FAainfix &lt;V3V0Aainfix &lt;=c0V4FAainfix &lt;=V12ainfix -V0c1Aainfix &lt;=c0V12Iainfix =agetV1V12V2Iainfix &lt;V12V0Aainfix &lt;=c0V12FAainfix &lt;ainfix -V0c1V0Aainfix &lt;=c0c0Iainfix &lt;=agetV1V13agetV1V14Iainfix &lt;V14V0Aainfix &lt;=V13V14Aainfix &lt;=c0V13FAainfix &lt;=c0V0F">
@@ -71,7 +71,7 @@
     locfile="../binary_search.mlw"
     loclnum="60" loccnumb="6" loccnume="19"
     expl="VC for binary_search"
-    sum="0154a8efbc6117ead9449b584fbf89f2"
+    sum="cdf50762585570bb24ffc75161b8653e"
     proved="true"
     expanded="true"
     shape="iNainfix =agetV1V5V2Iainfix &lt;V5V0Aainfix &lt;=c0V5Fiiainfix =agetV1V6V2Aainfix &lt;V6V0Aainfix &lt;=c0V6ainfix &lt;ainfix -V7V4ainfix -V3V4Aainfix &lt;=c0ainfix -V3V4Aainfix &lt;=V8V7Aainfix &lt;=V4V8Iainfix =agetV1V8V2Iainfix &lt;V8V0Aainfix &lt;=c0V8FAainfix &lt;V7V0Aainfix &lt;=c0V4Iainfix =V7ainfix -V6c1Fainfix &gt;agetV1V6V2Aainfix &lt;V6V0Aainfix &lt;=c0V6ainfix &lt;ainfix -V3V9ainfix -V3V4Aainfix &lt;=c0ainfix -V3V4Aainfix &lt;=V10V3Aainfix &lt;=V9V10Iainfix =agetV1V10V2Iainfix &lt;V10V0Aainfix &lt;=c0V10FAainfix &lt;V3V0Aainfix &lt;=c0V9Iainfix =V9ainfix +V6c1Fainfix &lt;agetV1V6V2Aainfix &lt;V6V0Aainfix &lt;=c0V6Iainfix &lt;=V6V3Aainfix &lt;=V4V6FAainfix &lt;=V4V3ainfix &lt;=V4V3Iainfix &lt;=V11V3Aainfix &lt;=V4V11Iainfix =agetV1V11V2Iainfix &lt;V11V0Aainfix &lt;=c0V11FAainfix &lt;V3V0Aainfix &lt;=c0V4FAainfix &lt;=V12ainfix -V0c1Aainfix &lt;=c0V12Iainfix =agetV1V12V2Iainfix &lt;V12V0Aainfix &lt;=c0V12FAainfix &lt;ainfix -V0c1V0Aainfix &lt;=c0c0Iainfix &lt;=agetV1V13agetV1V14Iainfix &lt;V14V0Aainfix &lt;=V13V14Aainfix &lt;=c0V13FAainfix &lt;=c0V0F">
@@ -114,7 +114,7 @@
     locfile="../binary_search.mlw"
     loclnum="100" loccnumb="6" loccnume="19"
     expl="VC for binary_search"
-    sum="5795e3fdc962930936ca45e733354fd7"
+    sum="f8939300ed40c99211ffd920dfbe3c1e"
     proved="true"
     expanded="true"
     shape="iNainfix =agetV1V9V2Iainfix &lt;V9ato_intV0Aainfix &lt;=c0V9Fiiainfix =agetV1ato_intV13V2Aainfix &lt;ato_intV13ato_intV0Aainfix &lt;=c0ato_intV13ainfix &lt;ainfix -ato_intV18ato_intV7ainfix -ato_intV6ato_intV7Aainfix &lt;=c0ainfix -ato_intV6ato_intV7Aainfix &lt;=V19ato_intV18Aainfix &lt;=ato_intV7V19Iainfix =agetV1V19V2Iainfix &lt;V19ato_intV0Aainfix &lt;=c0V19FAainfix &lt;ato_intV18ato_intV0Aainfix &lt;=c0ato_intV7Iainfix =V18V17FIainfix =ato_intV17ainfix -ato_intV13ato_intV16FAain_boundsainfix -ato_intV13ato_intV16Iainfix =ato_intV16c1FAain_boundsc1ainfix =V15aTrueIainfix &gt;ato_intagetV1ato_intV13ato_intV2qainfix =V15aTrueFAainfix &lt;ato_intV13ato_intV0Aainfix &lt;=c0ato_intV13ainfix &lt;ainfix -ato_intV6ato_intV22ainfix -ato_intV6ato_intV7Aainfix &lt;=c0ainfix -ato_intV6ato_intV7Aainfix &lt;=V23ato_intV6Aainfix &lt;=ato_intV22V23Iainfix =agetV1V23V2Iainfix &lt;V23ato_intV0Aainfix &lt;=c0V23FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV22Iainfix =V22V21FIainfix =ato_intV21ainfix +ato_intV13ato_intV20FAain_boundsainfix +ato_intV13ato_intV20Iainfix =ato_intV20c1FAain_boundsc1ainfix =V14aTrueIainfix &lt;ato_intagetV1ato_intV13ato_intV2qainfix =V14aTrueFAainfix &lt;ato_intV13ato_intV0Aainfix &lt;=c0ato_intV13Aainfix &lt;=ato_intV13ato_intV6Aainfix &lt;=ato_intV7ato_intV13Iainfix =ato_intV13ainfix +ato_intV7ato_intV12FAain_boundsainfix +ato_intV7ato_intV12Iainfix =ato_intV12adivato_intV11ato_intV10FAain_boundsadivato_intV11ato_intV10ANainfix =ato_intV10c0Iainfix =ato_intV11ainfix -ato_intV6ato_intV7FAain_boundsainfix -ato_intV6ato_intV7Iainfix =ato_intV10c2FAain_boundsc2ainfix =V8aTrueIainfix &lt;=ato_intV7ato_intV6qainfix =V8aTrueFIainfix &lt;=V24ato_intV6Aainfix &lt;=ato_intV7V24Iainfix =agetV1V24V2Iainfix &lt;V24ato_intV0Aainfix &lt;=c0V24FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV7FAainfix &lt;=V25ato_intV5Aainfix &lt;=ato_intV3V25Iainfix =agetV1V25V2Iainfix &lt;V25ato_intV0Aainfix &lt;=c0V25FAainfix &lt;ato_intV5ato_intV0Aainfix &lt;=c0ato_intV3Iainfix =ato_intV5ainfix -ato_intV0ato_intV4FAain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FAain_boundsc1Iainfix =ato_intV3c0FAain_boundsc0Iainfix &lt;=ato_intagetV1V26ato_intagetV1V27Iainfix &lt;V27ato_intV0Aainfix &lt;=V26V27Aainfix &lt;=c0V26FAainfix &lt;=c0ato_intV0F">
@@ -145,7 +145,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="1. integer overflow"
-      sum="f2cb2f9c3da583e2b02232ba3bec2b66"
+      sum="652697bebaea495903eba04af7fbfa87"
       proved="true"
       expanded="false"
       shape="integer overflowain_boundsc0Iainfix &lt;=ato_intagetV1V3ato_intagetV1V4Iainfix &lt;V4ato_intV0Aainfix &lt;=V3V4Aainfix &lt;=c0V3FAainfix &lt;=c0ato_intV0F">
@@ -165,7 +165,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="2. integer overflow"
-      sum="a1614fb07fcd1bf8f121e7a1f2cf13ca"
+      sum="9ff6907c24789d55ee262725c1f6736b"
       proved="true"
       expanded="false"
       shape="integer overflowain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V4ato_intagetV1V5Iainfix &lt;V5ato_intV0Aainfix &lt;=V4V5Aainfix &lt;=c0V4FAainfix &lt;=c0ato_intV0F">
@@ -185,7 +185,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="3. integer overflow"
-      sum="2e3aee28a7ad1eb5538229b9e8438209"
+      sum="a3c4193900e4f717e8dbdfe932cd5ebc"
       proved="true"
       expanded="false"
       shape="integer overflowain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V5ato_intagetV1V6Iainfix &lt;V6ato_intV0Aainfix &lt;=V5V6Aainfix &lt;=c0V5FAainfix &lt;=c0ato_intV0F">
@@ -205,7 +205,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="4. loop invariant init"
-      sum="2608c0736e096f10afc6b16ac808a422"
+      sum="0fd708331bbf5c24c88c407434c55f7f"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix &lt;ato_intV5ato_intV0Aainfix &lt;=c0ato_intV3Iainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V6ato_intagetV1V7Iainfix &lt;V7ato_intV0Aainfix &lt;=V6V7Aainfix &lt;=c0V6FAainfix &lt;=c0ato_intV0F">
@@ -225,7 +225,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="5. loop invariant init"
-      sum="aebcf4252937917f9cb87dd7b66e5b6f"
+      sum="94de7de8e64511178b69ac40ecb469b3"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix &lt;=V6ato_intV5Aainfix &lt;=ato_intV3V6Iainfix =agetV1V6V2Iainfix &lt;V6ato_intV0Aainfix &lt;=c0V6FIainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V7ato_intagetV1V8Iainfix &lt;V8ato_intV0Aainfix &lt;=V7V8Aainfix &lt;=c0V7FAainfix &lt;=c0ato_intV0F">
@@ -245,7 +245,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="6. integer overflow"
-      sum="9c65386d6a079705556c2715168ee372"
+      sum="930ca88aca2eb11d521718af13f7d146"
       proved="true"
       expanded="false"
       shape="integer overflowain_boundsc2Iainfix =V8aTrueIainfix &lt;=ato_intV7ato_intV6qainfix =V8aTrueFIainfix &lt;=V9ato_intV6Aainfix &lt;=ato_intV7V9Iainfix =agetV1V9V2Iainfix &lt;V9ato_intV0Aainfix &lt;=c0V9FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV7FIainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V10ato_intagetV1V11Iainfix &lt;V11ato_intV0Aainfix &lt;=V10V11Aainfix &lt;=c0V10FAainfix &lt;=c0ato_intV0F">
@@ -265,7 +265,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="7. integer overflow"
-      sum="73cb4c622c5ddffe3b73306ef1bd28f6"
+      sum="8acf5f83d4a98f1c3132f93c505a0c6e"
       proved="true"
       expanded="false"
       shape="integer overflowain_boundsainfix -ato_intV6ato_intV7Iainfix =ato_intV9c2FIain_boundsc2Iainfix =V8aTrueIainfix &lt;=ato_intV7ato_intV6qainfix =V8aTrueFIainfix &lt;=V10ato_intV6Aainfix &lt;=ato_intV7V10Iainfix =agetV1V10V2Iainfix &lt;V10ato_intV0Aainfix &lt;=c0V10FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV7FIainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V11ato_intagetV1V12Iainfix &lt;V12ato_intV0Aainfix &lt;=V11V12Aainfix &lt;=c0V11FAainfix &lt;=c0ato_intV0F">
@@ -285,7 +285,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="8. division by zero"
-      sum="4129ad152a440a48a5b62a6ee091fc83"
+      sum="c290b52647f0d5e65c68ca9015e9bba2"
       proved="true"
       expanded="false"
       shape="division by zeroNainfix =ato_intV9c0Iainfix =ato_intV10ainfix -ato_intV6ato_intV7FIain_boundsainfix -ato_intV6ato_intV7Iainfix =ato_intV9c2FIain_boundsc2Iainfix =V8aTrueIainfix &lt;=ato_intV7ato_intV6qainfix =V8aTrueFIainfix &lt;=V11ato_intV6Aainfix &lt;=ato_intV7V11Iainfix =agetV1V11V2Iainfix &lt;V11ato_intV0Aainfix &lt;=c0V11FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV7FIainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V12ato_intagetV1V13Iainfix &lt;V13ato_intV0Aainfix &lt;=V12V13Aainfix &lt;=c0V12FAainfix &lt;=c0ato_intV0F">
@@ -305,7 +305,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="9. integer overflow"
-      sum="d50f39c99fe8976f4eb86f6ca5dfe6bc"
+      sum="0d3817e8989eee540a4d55f6d124505a"
       proved="true"
       expanded="false"
       shape="integer overflowain_boundsadivato_intV10ato_intV9Iainfix =ato_intV10ainfix -ato_intV6ato_intV7FIain_boundsainfix -ato_intV6ato_intV7Iainfix =ato_intV9c2FIain_boundsc2Iainfix =V8aTrueIainfix &lt;=ato_intV7ato_intV6qainfix =V8aTrueFIainfix &lt;=V11ato_intV6Aainfix &lt;=ato_intV7V11Iainfix =agetV1V11V2Iainfix &lt;V11ato_intV0Aainfix &lt;=c0V11FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV7FIainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V12ato_intagetV1V13Iainfix &lt;V13ato_intV0Aainfix &lt;=V12V13Aainfix &lt;=c0V12FAainfix &lt;=c0ato_intV0F">
@@ -325,7 +325,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="10. integer overflow"
-      sum="fe638b24b27e7f7cbd5ab62555c4cd86"
+      sum="de7f9085fa267ef9e1dd849c3427cc74"
       proved="true"
       expanded="false"
       shape="integer overflowain_boundsainfix +ato_intV7ato_intV11Iainfix =ato_intV11adivato_intV10ato_intV9FIain_boundsadivato_intV10ato_intV9ANainfix =ato_intV9c0Iainfix =ato_intV10ainfix -ato_intV6ato_intV7FIain_boundsainfix -ato_intV6ato_intV7Iainfix =ato_intV9c2FIain_boundsc2Iainfix =V8aTrueIainfix &lt;=ato_intV7ato_intV6qainfix =V8aTrueFIainfix &lt;=V12ato_intV6Aainfix &lt;=ato_intV7V12Iainfix =agetV1V12V2Iainfix &lt;V12ato_intV0Aainfix &lt;=c0V12FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV7FIainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V13ato_intagetV1V14Iainfix &lt;V14ato_intV0Aainfix &lt;=V13V14Aainfix &lt;=c0V13FAainfix &lt;=c0ato_intV0F">
@@ -345,7 +345,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="11. assertion"
-      sum="d2d3f05fdcafad5fc81013ceb95a3034"
+      sum="e6f434486a8ad1bcb0244707a726f2df"
       proved="true"
       expanded="false"
       shape="assertionainfix &lt;=ato_intV12ato_intV6Aainfix &lt;=ato_intV7ato_intV12Iainfix =ato_intV12ainfix +ato_intV7ato_intV11FIain_boundsainfix +ato_intV7ato_intV11Iainfix =ato_intV11adivato_intV10ato_intV9FIain_boundsadivato_intV10ato_intV9ANainfix =ato_intV9c0Iainfix =ato_intV10ainfix -ato_intV6ato_intV7FIain_boundsainfix -ato_intV6ato_intV7Iainfix =ato_intV9c2FIain_boundsc2Iainfix =V8aTrueIainfix &lt;=ato_intV7ato_intV6qainfix =V8aTrueFIainfix &lt;=V13ato_intV6Aainfix &lt;=ato_intV7V13Iainfix =agetV1V13V2Iainfix &lt;V13ato_intV0Aainfix &lt;=c0V13FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV7FIainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V14ato_intagetV1V15Iainfix &lt;V15ato_intV0Aainfix &lt;=V14V15Aainfix &lt;=c0V14FAainfix &lt;=c0ato_intV0F">
@@ -365,7 +365,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="12. precondition"
-      sum="3a63aa3e2f136832ced53d5c17e1b7a3"
+      sum="23ab74e94ac84d577b5f84947672f291"
       proved="true"
       expanded="false"
       shape="preconditionainfix &lt;ato_intV12ato_intV0Aainfix &lt;=c0ato_intV12Iainfix &lt;=ato_intV12ato_intV6Aainfix &lt;=ato_intV7ato_intV12Iainfix =ato_intV12ainfix +ato_intV7ato_intV11FIain_boundsainfix +ato_intV7ato_intV11Iainfix =ato_intV11adivato_intV10ato_intV9FIain_boundsadivato_intV10ato_intV9ANainfix =ato_intV9c0Iainfix =ato_intV10ainfix -ato_intV6ato_intV7FIain_boundsainfix -ato_intV6ato_intV7Iainfix =ato_intV9c2FIain_boundsc2Iainfix =V8aTrueIainfix &lt;=ato_intV7ato_intV6qainfix =V8aTrueFIainfix &lt;=V13ato_intV6Aainfix &lt;=ato_intV7V13Iainfix =agetV1V13V2Iainfix &lt;V13ato_intV0Aainfix &lt;=c0V13FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV7FIainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V14ato_intagetV1V15Iainfix &lt;V15ato_intV0Aainfix &lt;=V14V15Aainfix &lt;=c0V14FAainfix &lt;=c0ato_intV0F">
@@ -385,7 +385,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="13. integer overflow"
-      sum="43662d28fe6184f3beb7cffd41654d54"
+      sum="40ef9c1855a8494ca1206beb71ddf613"
       proved="true"
       expanded="false"
       shape="integer overflowain_boundsc1Iainfix =V13aTrueIainfix &lt;ato_intagetV1ato_intV12ato_intV2qainfix =V13aTrueFIainfix &lt;ato_intV12ato_intV0Aainfix &lt;=c0ato_intV12Iainfix &lt;=ato_intV12ato_intV6Aainfix &lt;=ato_intV7ato_intV12Iainfix =ato_intV12ainfix +ato_intV7ato_intV11FIain_boundsainfix +ato_intV7ato_intV11Iainfix =ato_intV11adivato_intV10ato_intV9FIain_boundsadivato_intV10ato_intV9ANainfix =ato_intV9c0Iainfix =ato_intV10ainfix -ato_intV6ato_intV7FIain_boundsainfix -ato_intV6ato_intV7Iainfix =ato_intV9c2FIain_boundsc2Iainfix =V8aTrueIainfix &lt;=ato_intV7ato_intV6qainfix =V8aTrueFIainfix &lt;=V14ato_intV6Aainfix &lt;=ato_intV7V14Iainfix =agetV1V14V2Iainfix &lt;V14ato_intV0Aainfix &lt;=c0V14FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV7FIainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V15ato_intagetV1V16Iainfix &lt;V16ato_intV0Aainfix &lt;=V15V16Aainfix &lt;=c0V15FAainfix &lt;=c0ato_intV0F">
@@ -405,7 +405,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="14. integer overflow"
-      sum="cced7d3caaa1ba4d51d20a0f16f3599b"
+      sum="d708f0a8ce7b0a5850e749d26d3b9677"
       proved="true"
       expanded="false"
       shape="integer overflowain_boundsainfix +ato_intV12ato_intV14Iainfix =ato_intV14c1FIain_boundsc1Iainfix =V13aTrueIainfix &lt;ato_intagetV1ato_intV12ato_intV2qainfix =V13aTrueFIainfix &lt;ato_intV12ato_intV0Aainfix &lt;=c0ato_intV12Iainfix &lt;=ato_intV12ato_intV6Aainfix &lt;=ato_intV7ato_intV12Iainfix =ato_intV12ainfix +ato_intV7ato_intV11FIain_boundsainfix +ato_intV7ato_intV11Iainfix =ato_intV11adivato_intV10ato_intV9FIain_boundsadivato_intV10ato_intV9ANainfix =ato_intV9c0Iainfix =ato_intV10ainfix -ato_intV6ato_intV7FIain_boundsainfix -ato_intV6ato_intV7Iainfix =ato_intV9c2FIain_boundsc2Iainfix =V8aTrueIainfix &lt;=ato_intV7ato_intV6qainfix =V8aTrueFIainfix &lt;=V15ato_intV6Aainfix &lt;=ato_intV7V15Iainfix =agetV1V15V2Iainfix &lt;V15ato_intV0Aainfix &lt;=c0V15FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV7FIainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V16ato_intagetV1V17Iainfix &lt;V17ato_intV0Aainfix &lt;=V16V17Aainfix &lt;=c0V16FAainfix &lt;=c0ato_intV0F">
@@ -425,7 +425,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="15. loop invariant preservation"
-      sum="e48ffc1a316bde87223ecf07ab5c0a03"
+      sum="20cc1470a686f692f46f6992e497501f"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV16Iainfix =V16V15FIainfix =ato_intV15ainfix +ato_intV12ato_intV14FIain_boundsainfix +ato_intV12ato_intV14Iainfix =ato_intV14c1FIain_boundsc1Iainfix =V13aTrueIainfix &lt;ato_intagetV1ato_intV12ato_intV2qainfix =V13aTrueFIainfix &lt;ato_intV12ato_intV0Aainfix &lt;=c0ato_intV12Iainfix &lt;=ato_intV12ato_intV6Aainfix &lt;=ato_intV7ato_intV12Iainfix =ato_intV12ainfix +ato_intV7ato_intV11FIain_boundsainfix +ato_intV7ato_intV11Iainfix =ato_intV11adivato_intV10ato_intV9FIain_boundsadivato_intV10ato_intV9ANainfix =ato_intV9c0Iainfix =ato_intV10ainfix -ato_intV6ato_intV7FIain_boundsainfix -ato_intV6ato_intV7Iainfix =ato_intV9c2FIain_boundsc2Iainfix =V8aTrueIainfix &lt;=ato_intV7ato_intV6qainfix =V8aTrueFIainfix &lt;=V17ato_intV6Aainfix &lt;=ato_intV7V17Iainfix =agetV1V17V2Iainfix &lt;V17ato_intV0Aainfix &lt;=c0V17FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV7FIainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V18ato_intagetV1V19Iainfix &lt;V19ato_intV0Aainfix &lt;=V18V19Aainfix &lt;=c0V18FAainfix &lt;=c0ato_intV0F">
@@ -445,7 +445,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="16. loop invariant preservation"
-      sum="fe0bbefae00bf84d17261a73c73df8ac"
+      sum="f9fb3296a9d43a0607640b89beeabe37"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &lt;=V17ato_intV6Aainfix &lt;=ato_intV16V17Iainfix =agetV1V17V2Iainfix &lt;V17ato_intV0Aainfix &lt;=c0V17FIainfix =V16V15FIainfix =ato_intV15ainfix +ato_intV12ato_intV14FIain_boundsainfix +ato_intV12ato_intV14Iainfix =ato_intV14c1FIain_boundsc1Iainfix =V13aTrueIainfix &lt;ato_intagetV1ato_intV12ato_intV2qainfix =V13aTrueFIainfix &lt;ato_intV12ato_intV0Aainfix &lt;=c0ato_intV12Iainfix &lt;=ato_intV12ato_intV6Aainfix &lt;=ato_intV7ato_intV12Iainfix =ato_intV12ainfix +ato_intV7ato_intV11FIain_boundsainfix +ato_intV7ato_intV11Iainfix =ato_intV11adivato_intV10ato_intV9FIain_boundsadivato_intV10ato_intV9ANainfix =ato_intV9c0Iainfix =ato_intV10ainfix -ato_intV6ato_intV7FIain_boundsainfix -ato_intV6ato_intV7Iainfix =ato_intV9c2FIain_boundsc2Iainfix =V8aTrueIainfix &lt;=ato_intV7ato_intV6qainfix =V8aTrueFIainfix &lt;=V18ato_intV6Aainfix &lt;=ato_intV7V18Iainfix =agetV1V18V2Iainfix &lt;V18ato_intV0Aainfix &lt;=c0V18FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV7FIainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V19ato_intagetV1V20Iainfix &lt;V20ato_intV0Aainfix &lt;=V19V20Aainfix &lt;=c0V19FAainfix &lt;=c0ato_intV0F">
@@ -465,7 +465,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="17. loop variant decrease"
-      sum="029a143db9552fa56c8bd63bfce07e1c"
+      sum="1b91ead561a5bfde6f55f4cdfdbb3402"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix &lt;ainfix -ato_intV6ato_intV16ainfix -ato_intV6ato_intV7Aainfix &lt;=c0ainfix -ato_intV6ato_intV7Iainfix =V16V15FIainfix =ato_intV15ainfix +ato_intV12ato_intV14FIain_boundsainfix +ato_intV12ato_intV14Iainfix =ato_intV14c1FIain_boundsc1Iainfix =V13aTrueIainfix &lt;ato_intagetV1ato_intV12ato_intV2qainfix =V13aTrueFIainfix &lt;ato_intV12ato_intV0Aainfix &lt;=c0ato_intV12Iainfix &lt;=ato_intV12ato_intV6Aainfix &lt;=ato_intV7ato_intV12Iainfix =ato_intV12ainfix +ato_intV7ato_intV11FIain_boundsainfix +ato_intV7ato_intV11Iainfix =ato_intV11adivato_intV10ato_intV9FIain_boundsadivato_intV10ato_intV9ANainfix =ato_intV9c0Iainfix =ato_intV10ainfix -ato_intV6ato_intV7FIain_boundsainfix -ato_intV6ato_intV7Iainfix =ato_intV9c2FIain_boundsc2Iainfix =V8aTrueIainfix &lt;=ato_intV7ato_intV6qainfix =V8aTrueFIainfix &lt;=V17ato_intV6Aainfix &lt;=ato_intV7V17Iainfix =agetV1V17V2Iainfix &lt;V17ato_intV0Aainfix &lt;=c0V17FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV7FIainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V18ato_intagetV1V19Iainfix &lt;V19ato_intV0Aainfix &lt;=V18V19Aainfix &lt;=c0V18FAainfix &lt;=c0ato_intV0F">
@@ -485,7 +485,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="18. precondition"
-      sum="cff00a6366b8e5ac2cc8c63fc1baf180"
+      sum="5e2b28018c4f90f39de6fc8eea51f8d9"
       proved="true"
       expanded="false"
       shape="preconditionainfix &lt;ato_intV12ato_intV0Aainfix &lt;=c0ato_intV12INainfix =V13aTrueIainfix &lt;ato_intagetV1ato_intV12ato_intV2qainfix =V13aTrueFIainfix &lt;ato_intV12ato_intV0Aainfix &lt;=c0ato_intV12Iainfix &lt;=ato_intV12ato_intV6Aainfix &lt;=ato_intV7ato_intV12Iainfix =ato_intV12ainfix +ato_intV7ato_intV11FIain_boundsainfix +ato_intV7ato_intV11Iainfix =ato_intV11adivato_intV10ato_intV9FIain_boundsadivato_intV10ato_intV9ANainfix =ato_intV9c0Iainfix =ato_intV10ainfix -ato_intV6ato_intV7FIain_boundsainfix -ato_intV6ato_intV7Iainfix =ato_intV9c2FIain_boundsc2Iainfix =V8aTrueIainfix &lt;=ato_intV7ato_intV6qainfix =V8aTrueFIainfix &lt;=V14ato_intV6Aainfix &lt;=ato_intV7V14Iainfix =agetV1V14V2Iainfix &lt;V14ato_intV0Aainfix &lt;=c0V14FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV7FIainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V15ato_intagetV1V16Iainfix &lt;V16ato_intV0Aainfix &lt;=V15V16Aainfix &lt;=c0V15FAainfix &lt;=c0ato_intV0F">
@@ -505,7 +505,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="19. integer overflow"
-      sum="448d78aa9600ce2617aa150f0677f235"
+      sum="6c2c79cca3ac804bf9ad4e696a9290ad"
       proved="true"
       expanded="false"
       shape="integer overflowain_boundsc1Iainfix =V14aTrueIainfix &gt;ato_intagetV1ato_intV12ato_intV2qainfix =V14aTrueFIainfix &lt;ato_intV12ato_intV0Aainfix &lt;=c0ato_intV12INainfix =V13aTrueIainfix &lt;ato_intagetV1ato_intV12ato_intV2qainfix =V13aTrueFIainfix &lt;ato_intV12ato_intV0Aainfix &lt;=c0ato_intV12Iainfix &lt;=ato_intV12ato_intV6Aainfix &lt;=ato_intV7ato_intV12Iainfix =ato_intV12ainfix +ato_intV7ato_intV11FIain_boundsainfix +ato_intV7ato_intV11Iainfix =ato_intV11adivato_intV10ato_intV9FIain_boundsadivato_intV10ato_intV9ANainfix =ato_intV9c0Iainfix =ato_intV10ainfix -ato_intV6ato_intV7FIain_boundsainfix -ato_intV6ato_intV7Iainfix =ato_intV9c2FIain_boundsc2Iainfix =V8aTrueIainfix &lt;=ato_intV7ato_intV6qainfix =V8aTrueFIainfix &lt;=V15ato_intV6Aainfix &lt;=ato_intV7V15Iainfix =agetV1V15V2Iainfix &lt;V15ato_intV0Aainfix &lt;=c0V15FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV7FIainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V16ato_intagetV1V17Iainfix &lt;V17ato_intV0Aainfix &lt;=V16V17Aainfix &lt;=c0V16FAainfix &lt;=c0ato_intV0F">
@@ -525,7 +525,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="20. integer overflow"
-      sum="54e9958dd8e3cf416b26df8513ed4c2a"
+      sum="997886fa7b2de454796d5d345b47aa06"
       proved="true"
       expanded="false"
       shape="integer overflowain_boundsainfix -ato_intV12ato_intV15Iainfix =ato_intV15c1FIain_boundsc1Iainfix =V14aTrueIainfix &gt;ato_intagetV1ato_intV12ato_intV2qainfix =V14aTrueFIainfix &lt;ato_intV12ato_intV0Aainfix &lt;=c0ato_intV12INainfix =V13aTrueIainfix &lt;ato_intagetV1ato_intV12ato_intV2qainfix =V13aTrueFIainfix &lt;ato_intV12ato_intV0Aainfix &lt;=c0ato_intV12Iainfix &lt;=ato_intV12ato_intV6Aainfix &lt;=ato_intV7ato_intV12Iainfix =ato_intV12ainfix +ato_intV7ato_intV11FIain_boundsainfix +ato_intV7ato_intV11Iainfix =ato_intV11adivato_intV10ato_intV9FIain_boundsadivato_intV10ato_intV9ANainfix =ato_intV9c0Iainfix =ato_intV10ainfix -ato_intV6ato_intV7FIain_boundsainfix -ato_intV6ato_intV7Iainfix =ato_intV9c2FIain_boundsc2Iainfix =V8aTrueIainfix &lt;=ato_intV7ato_intV6qainfix =V8aTrueFIainfix &lt;=V16ato_intV6Aainfix &lt;=ato_intV7V16Iainfix =agetV1V16V2Iainfix &lt;V16ato_intV0Aainfix &lt;=c0V16FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV7FIainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V17ato_intagetV1V18Iainfix &lt;V18ato_intV0Aainfix &lt;=V17V18Aainfix &lt;=c0V17FAainfix &lt;=c0ato_intV0F">
@@ -545,7 +545,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="21. loop invariant preservation"
-      sum="b9249b37eacf5a989aec5a5f2fcd9104"
+      sum="b66517977b9771eb289507e3adbed646"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &lt;ato_intV17ato_intV0Aainfix &lt;=c0ato_intV7Iainfix =V17V16FIainfix =ato_intV16ainfix -ato_intV12ato_intV15FIain_boundsainfix -ato_intV12ato_intV15Iainfix =ato_intV15c1FIain_boundsc1Iainfix =V14aTrueIainfix &gt;ato_intagetV1ato_intV12ato_intV2qainfix =V14aTrueFIainfix &lt;ato_intV12ato_intV0Aainfix &lt;=c0ato_intV12INainfix =V13aTrueIainfix &lt;ato_intagetV1ato_intV12ato_intV2qainfix =V13aTrueFIainfix &lt;ato_intV12ato_intV0Aainfix &lt;=c0ato_intV12Iainfix &lt;=ato_intV12ato_intV6Aainfix &lt;=ato_intV7ato_intV12Iainfix =ato_intV12ainfix +ato_intV7ato_intV11FIain_boundsainfix +ato_intV7ato_intV11Iainfix =ato_intV11adivato_intV10ato_intV9FIain_boundsadivato_intV10ato_intV9ANainfix =ato_intV9c0Iainfix =ato_intV10ainfix -ato_intV6ato_intV7FIain_boundsainfix -ato_intV6ato_intV7Iainfix =ato_intV9c2FIain_boundsc2Iainfix =V8aTrueIainfix &lt;=ato_intV7ato_intV6qainfix =V8aTrueFIainfix &lt;=V18ato_intV6Aainfix &lt;=ato_intV7V18Iainfix =agetV1V18V2Iainfix &lt;V18ato_intV0Aainfix &lt;=c0V18FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV7FIainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V19ato_intagetV1V20Iainfix &lt;V20ato_intV0Aainfix &lt;=V19V20Aainfix &lt;=c0V19FAainfix &lt;=c0ato_intV0F">
@@ -565,7 +565,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="22. loop invariant preservation"
-      sum="1843fc1193b5e9fae5bdb7b4b9f3a192"
+      sum="462401d92b64bd4a0265e6e8939e077d"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &lt;=V18ato_intV17Aainfix &lt;=ato_intV7V18Iainfix =agetV1V18V2Iainfix &lt;V18ato_intV0Aainfix &lt;=c0V18FIainfix =V17V16FIainfix =ato_intV16ainfix -ato_intV12ato_intV15FIain_boundsainfix -ato_intV12ato_intV15Iainfix =ato_intV15c1FIain_boundsc1Iainfix =V14aTrueIainfix &gt;ato_intagetV1ato_intV12ato_intV2qainfix =V14aTrueFIainfix &lt;ato_intV12ato_intV0Aainfix &lt;=c0ato_intV12INainfix =V13aTrueIainfix &lt;ato_intagetV1ato_intV12ato_intV2qainfix =V13aTrueFIainfix &lt;ato_intV12ato_intV0Aainfix &lt;=c0ato_intV12Iainfix &lt;=ato_intV12ato_intV6Aainfix &lt;=ato_intV7ato_intV12Iainfix =ato_intV12ainfix +ato_intV7ato_intV11FIain_boundsainfix +ato_intV7ato_intV11Iainfix =ato_intV11adivato_intV10ato_intV9FIain_boundsadivato_intV10ato_intV9ANainfix =ato_intV9c0Iainfix =ato_intV10ainfix -ato_intV6ato_intV7FIain_boundsainfix -ato_intV6ato_intV7Iainfix =ato_intV9c2FIain_boundsc2Iainfix =V8aTrueIainfix &lt;=ato_intV7ato_intV6qainfix =V8aTrueFIainfix &lt;=V19ato_intV6Aainfix &lt;=ato_intV7V19Iainfix =agetV1V19V2Iainfix &lt;V19ato_intV0Aainfix &lt;=c0V19FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV7FIainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V20ato_intagetV1V21Iainfix &lt;V21ato_intV0Aainfix &lt;=V20V21Aainfix &lt;=c0V20FAainfix &lt;=c0ato_intV0F">
@@ -585,7 +585,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="23. loop variant decrease"
-      sum="e9e5cc6031f050baa8c76fb61fef2138"
+      sum="0a8ed62d6fea1d6a7746328889498830"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix &lt;ainfix -ato_intV17ato_intV7ainfix -ato_intV6ato_intV7Aainfix &lt;=c0ainfix -ato_intV6ato_intV7Iainfix =V17V16FIainfix =ato_intV16ainfix -ato_intV12ato_intV15FIain_boundsainfix -ato_intV12ato_intV15Iainfix =ato_intV15c1FIain_boundsc1Iainfix =V14aTrueIainfix &gt;ato_intagetV1ato_intV12ato_intV2qainfix =V14aTrueFIainfix &lt;ato_intV12ato_intV0Aainfix &lt;=c0ato_intV12INainfix =V13aTrueIainfix &lt;ato_intagetV1ato_intV12ato_intV2qainfix =V13aTrueFIainfix &lt;ato_intV12ato_intV0Aainfix &lt;=c0ato_intV12Iainfix &lt;=ato_intV12ato_intV6Aainfix &lt;=ato_intV7ato_intV12Iainfix =ato_intV12ainfix +ato_intV7ato_intV11FIain_boundsainfix +ato_intV7ato_intV11Iainfix =ato_intV11adivato_intV10ato_intV9FIain_boundsadivato_intV10ato_intV9ANainfix =ato_intV9c0Iainfix =ato_intV10ainfix -ato_intV6ato_intV7FIain_boundsainfix -ato_intV6ato_intV7Iainfix =ato_intV9c2FIain_boundsc2Iainfix =V8aTrueIainfix &lt;=ato_intV7ato_intV6qainfix =V8aTrueFIainfix &lt;=V18ato_intV6Aainfix &lt;=ato_intV7V18Iainfix =agetV1V18V2Iainfix &lt;V18ato_intV0Aainfix &lt;=c0V18FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV7FIainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V19ato_intagetV1V20Iainfix &lt;V20ato_intV0Aainfix &lt;=V19V20Aainfix &lt;=c0V19FAainfix &lt;=c0ato_intV0F">
@@ -605,7 +605,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="24. postcondition"
-      sum="e2fd6c9e32057f6d935a24ec56d4a9da"
+      sum="fe3b453407104702b98090b358afb355"
       proved="true"
       expanded="false"
       shape="postconditionainfix =agetV1ato_intV12V2Aainfix &lt;ato_intV12ato_intV0Aainfix &lt;=c0ato_intV12INainfix =V14aTrueIainfix &gt;ato_intagetV1ato_intV12ato_intV2qainfix =V14aTrueFIainfix &lt;ato_intV12ato_intV0Aainfix &lt;=c0ato_intV12INainfix =V13aTrueIainfix &lt;ato_intagetV1ato_intV12ato_intV2qainfix =V13aTrueFIainfix &lt;ato_intV12ato_intV0Aainfix &lt;=c0ato_intV12Iainfix &lt;=ato_intV12ato_intV6Aainfix &lt;=ato_intV7ato_intV12Iainfix =ato_intV12ainfix +ato_intV7ato_intV11FIain_boundsainfix +ato_intV7ato_intV11Iainfix =ato_intV11adivato_intV10ato_intV9FIain_boundsadivato_intV10ato_intV9ANainfix =ato_intV9c0Iainfix =ato_intV10ainfix -ato_intV6ato_intV7FIain_boundsainfix -ato_intV6ato_intV7Iainfix =ato_intV9c2FIain_boundsc2Iainfix =V8aTrueIainfix &lt;=ato_intV7ato_intV6qainfix =V8aTrueFIainfix &lt;=V15ato_intV6Aainfix &lt;=ato_intV7V15Iainfix =agetV1V15V2Iainfix &lt;V15ato_intV0Aainfix &lt;=c0V15FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV7FIainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V16ato_intagetV1V17Iainfix &lt;V17ato_intV0Aainfix &lt;=V16V17Aainfix &lt;=c0V16FAainfix &lt;=c0ato_intV0F">
@@ -625,7 +625,7 @@
       locfile="../binary_search.mlw"
       loclnum="100" loccnumb="6" loccnume="19"
       expl="25. exceptional postcondition"
-      sum="b0df857a284f694840fd70415b3fda95"
+      sum="39569d7b69c04e1af720f3da0c4282be"
       proved="true"
       expanded="false"
       shape="exceptional postconditionNainfix =agetV1V9V2Iainfix &lt;V9ato_intV0Aainfix &lt;=c0V9FINainfix =V8aTrueIainfix &lt;=ato_intV7ato_intV6qainfix =V8aTrueFIainfix &lt;=V10ato_intV6Aainfix &lt;=ato_intV7V10Iainfix =agetV1V10V2Iainfix &lt;V10ato_intV0Aainfix &lt;=c0V10FAainfix &lt;ato_intV6ato_intV0Aainfix &lt;=c0ato_intV7FIainfix =ato_intV5ainfix -ato_intV0ato_intV4FIain_boundsainfix -ato_intV0ato_intV4Iainfix =ato_intV4c1FIain_boundsc1Iainfix =ato_intV3c0FIain_boundsc0Iainfix &lt;=ato_intagetV1V11ato_intagetV1V12Iainfix &lt;V12ato_intV0Aainfix &lt;=V11V12Aainfix &lt;=c0V11FAainfix &lt;=c0ato_intV0F">
diff --git a/examples/binary_sqrt/why3session.xml b/examples/binary_sqrt/why3session.xml
index 5236d49024f4d625b5815292cbcea88eaf1497ea..b3b2b20802591738edc85d6b8cd6f40efa898816 100644
--- a/examples/binary_sqrt/why3session.xml
+++ b/examples/binary_sqrt/why3session.xml
@@ -24,15 +24,15 @@
   <theory
    name="BinarySqrt"
    locfile="../binary_sqrt.mlw"
-   loclnum="7" loccnumb="7" loccnume="17"
+   loclnum="8" loccnumb="7" loccnume="17"
    verified="true"
    expanded="true">
    <goal
     name="WP_parameter sqrt"
     locfile="../binary_sqrt.mlw"
-    loclnum="15" loccnumb="10" loccnume="14"
+    loclnum="16" loccnumb="10" loccnume="14"
     expl="VC for sqrt"
-    sum="bfded7f0f646975d1a8cc80bdb799218"
+    sum="2f48142e66f86f828944b2b4444e121e"
     proved="true"
     expanded="true"
     shape="iainfix &lt;V0ainfix *ainfix +iV6ainfix +V6V1ainfix &lt;=ainfix *ainfix +V6V1ainfix +V6V1V0V1ainfix +iV6ainfix +V6V1ainfix &lt;=ainfix *ainfix +V6V1ainfix +V6V1V0V1Aainfix &lt;=ainfix *iV6ainfix +V6V1ainfix &lt;=ainfix *ainfix +V6V1ainfix +V6V1V0iV6ainfix +V6V1ainfix &lt;=ainfix *ainfix +V6V1ainfix +V6V1V0V0Iainfix &lt;V0ainfix *ainfix +V6V5ainfix +V6V5Aainfix &lt;=ainfix *V6V6V0FAainfix =V5ainfix *afrom_intV4V3Aainfix &gt;=V4c1Aainfix &gt;V3c0.0Aainfix &lt;=c0.0V0Aainfix &lt;ainfix -aceilainfix /amaxV0c1.0V3V4ainfix -aceilainfix /amaxV0c1.0V3V2Aainfix &lt;=c0ainfix -aceilainfix /amaxV0c1.0V3V2Lainfix *c2.0V1Lainfix *c2V2Aainfix &lt;=afrom_intV2ainfix /amaxV0c1.0V3Aainfix &lt;=ainfix /ainfix *afrom_intV2V3V3ainfix /amaxV0c1.0V3Aainfix &lt;=ainfix *ainfix *afrom_intV2V3ainfix /c1.0V3ainfix *amaxV0c1.0ainfix /c1.0V3Aainfix &gt;ainfix /c1.0V3c0.0Aainfix &lt;=ainfix *afrom_intV2V3amaxV0c1.0ainfix &lt;V0ainfix *ainfix +c0.0V1ainfix +c0.0V1Aainfix &lt;=ainfix *c0.0c0.0V0ainfix &lt;c1.0V1Aainfix &lt;V0V1Iainfix =V1ainfix *afrom_intV2V3Aainfix &gt;=V2c1Aainfix &gt;V3c0.0Aainfix &lt;=c0.0V0F">
@@ -45,9 +45,9 @@
      <goal
       name="WP_parameter sqrt.1"
       locfile="../binary_sqrt.mlw"
-      loclnum="15" loccnumb="10" loccnume="14"
+      loclnum="16" loccnumb="10" loccnume="14"
       expl="1. postcondition"
-      sum="076947437c46b9ebefea2ab88f2570a6"
+      sum="930cac52353417990bb887760a9e0d6f"
       proved="true"
       expanded="false"
       shape="postconditionainfix &lt;V0ainfix *ainfix +c0.0V1ainfix +c0.0V1Aainfix &lt;=ainfix *c0.0c0.0V0Iainfix &lt;c1.0V1Aainfix &lt;V0V1Iainfix =V1ainfix *afrom_intV2V3Aainfix &gt;=V2c1Aainfix &gt;V3c0.0Aainfix &lt;=c0.0V0F">
@@ -65,9 +65,9 @@
      <goal
       name="WP_parameter sqrt.2"
       locfile="../binary_sqrt.mlw"
-      loclnum="15" loccnumb="10" loccnume="14"
+      loclnum="16" loccnumb="10" loccnume="14"
       expl="2. assertion"
-      sum="74de16170b2c100691f5dc5157d31ad8"
+      sum="95aa6b7bd6934a32cb478bf426b496ec"
       proved="true"
       expanded="false"
       shape="assertionainfix &lt;=ainfix *afrom_intV2V3amaxV0c1.0INainfix &lt;c1.0V1Aainfix &lt;V0V1Iainfix =V1ainfix *afrom_intV2V3Aainfix &gt;=V2c1Aainfix &gt;V3c0.0Aainfix &lt;=c0.0V0F">
@@ -101,9 +101,9 @@
      <goal
       name="WP_parameter sqrt.3"
       locfile="../binary_sqrt.mlw"
-      loclnum="15" loccnumb="10" loccnume="14"
+      loclnum="16" loccnumb="10" loccnume="14"
       expl="3. assertion"
-      sum="e03a04d84556557d4ec28f16d0e2ee42"
+      sum="814f4beff6fe1fa8ff5b578637992816"
       proved="true"
       expanded="false"
       shape="assertionainfix &gt;ainfix /c1.0V3c0.0Iainfix &lt;=ainfix *afrom_intV2V3amaxV0c1.0INainfix &lt;c1.0V1Aainfix &lt;V0V1Iainfix =V1ainfix *afrom_intV2V3Aainfix &gt;=V2c1Aainfix &gt;V3c0.0Aainfix &lt;=c0.0V0F">
@@ -121,9 +121,9 @@
      <goal
       name="WP_parameter sqrt.4"
       locfile="../binary_sqrt.mlw"
-      loclnum="15" loccnumb="10" loccnume="14"
+      loclnum="16" loccnumb="10" loccnume="14"
       expl="4. assertion"
-      sum="4b7fe1cb8e7da2dd2b81c795a83ed5ed"
+      sum="dfb7031800efc58e780215fd62ea66f5"
       proved="true"
       expanded="false"
       shape="assertionainfix &lt;=ainfix *ainfix *afrom_intV2V3ainfix /c1.0V3ainfix *amaxV0c1.0ainfix /c1.0V3Iainfix &gt;ainfix /c1.0V3c0.0Iainfix &lt;=ainfix *afrom_intV2V3amaxV0c1.0INainfix &lt;c1.0V1Aainfix &lt;V0V1Iainfix =V1ainfix *afrom_intV2V3Aainfix &gt;=V2c1Aainfix &gt;V3c0.0Aainfix &lt;=c0.0V0F">
@@ -141,9 +141,9 @@
      <goal
       name="WP_parameter sqrt.5"
       locfile="../binary_sqrt.mlw"
-      loclnum="15" loccnumb="10" loccnume="14"
+      loclnum="16" loccnumb="10" loccnume="14"
       expl="5. assertion"
-      sum="8d3ab25dce748d993c7337b2e6de761f"
+      sum="143b48cb7cee72f474c8858297f5eb19"
       proved="true"
       expanded="false"
       shape="assertionainfix &lt;=ainfix /ainfix *afrom_intV2V3V3ainfix /amaxV0c1.0V3Iainfix &lt;=ainfix *ainfix *afrom_intV2V3ainfix /c1.0V3ainfix *amaxV0c1.0ainfix /c1.0V3Iainfix &gt;ainfix /c1.0V3c0.0Iainfix &lt;=ainfix *afrom_intV2V3amaxV0c1.0INainfix &lt;c1.0V1Aainfix &lt;V0V1Iainfix =V1ainfix *afrom_intV2V3Aainfix &gt;=V2c1Aainfix &gt;V3c0.0Aainfix &lt;=c0.0V0F">
@@ -161,9 +161,9 @@
      <goal
       name="WP_parameter sqrt.6"
       locfile="../binary_sqrt.mlw"
-      loclnum="15" loccnumb="10" loccnume="14"
+      loclnum="16" loccnumb="10" loccnume="14"
       expl="6. assertion"
-      sum="7d86cea1a478668d8500338b08935e6c"
+      sum="4396794d87686e427bb0aebb559385b6"
       proved="true"
       expanded="false"
       shape="assertionainfix &lt;=afrom_intV2ainfix /amaxV0c1.0V3Iainfix &lt;=ainfix /ainfix *afrom_intV2V3V3ainfix /amaxV0c1.0V3Iainfix &lt;=ainfix *ainfix *afrom_intV2V3ainfix /c1.0V3ainfix *amaxV0c1.0ainfix /c1.0V3Iainfix &gt;ainfix /c1.0V3c0.0Iainfix &lt;=ainfix *afrom_intV2V3amaxV0c1.0INainfix &lt;c1.0V1Aainfix &lt;V0V1Iainfix =V1ainfix *afrom_intV2V3Aainfix &gt;=V2c1Aainfix &gt;V3c0.0Aainfix &lt;=c0.0V0F">
@@ -181,9 +181,9 @@
      <goal
       name="WP_parameter sqrt.7"
       locfile="../binary_sqrt.mlw"
-      loclnum="15" loccnumb="10" loccnume="14"
+      loclnum="16" loccnumb="10" loccnume="14"
       expl="7. variant decrease"
-      sum="532edc0caa2357af47c498101e59e5c3"
+      sum="5b06530b9d368209d903e9d91d9e4182"
       proved="true"
       expanded="false"
       shape="variant decreaseainfix &lt;ainfix -aceilainfix /amaxV0c1.0V3V4ainfix -aceilainfix /amaxV0c1.0V3V2Aainfix &lt;=c0ainfix -aceilainfix /amaxV0c1.0V3V2Lainfix *c2.0V1Lainfix *c2V2Iainfix &lt;=afrom_intV2ainfix /amaxV0c1.0V3Iainfix &lt;=ainfix /ainfix *afrom_intV2V3V3ainfix /amaxV0c1.0V3Iainfix &lt;=ainfix *ainfix *afrom_intV2V3ainfix /c1.0V3ainfix *amaxV0c1.0ainfix /c1.0V3Iainfix &gt;ainfix /c1.0V3c0.0Iainfix &lt;=ainfix *afrom_intV2V3amaxV0c1.0INainfix &lt;c1.0V1Aainfix &lt;V0V1Iainfix =V1ainfix *afrom_intV2V3Aainfix &gt;=V2c1Aainfix &gt;V3c0.0Aainfix &lt;=c0.0V0F">
@@ -195,7 +195,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.49"/>
+       <result status="valid" time="0.27"/>
       </proof>
       <proof
        prover="2"
@@ -217,9 +217,9 @@
      <goal
       name="WP_parameter sqrt.8"
       locfile="../binary_sqrt.mlw"
-      loclnum="15" loccnumb="10" loccnume="14"
+      loclnum="16" loccnumb="10" loccnume="14"
       expl="8. precondition"
-      sum="930078cda2be9149eacbf94399cba44b"
+      sum="af396d9f812039d722ce55092f1611e3"
       proved="true"
       expanded="false"
       shape="preconditionainfix &lt;=c0.0V0Lainfix *c2.0V1Lainfix *c2V2Iainfix &lt;=afrom_intV2ainfix /amaxV0c1.0V3Iainfix &lt;=ainfix /ainfix *afrom_intV2V3V3ainfix /amaxV0c1.0V3Iainfix &lt;=ainfix *ainfix *afrom_intV2V3ainfix /c1.0V3ainfix *amaxV0c1.0ainfix /c1.0V3Iainfix &gt;ainfix /c1.0V3c0.0Iainfix &lt;=ainfix *afrom_intV2V3amaxV0c1.0INainfix &lt;c1.0V1Aainfix &lt;V0V1Iainfix =V1ainfix *afrom_intV2V3Aainfix &gt;=V2c1Aainfix &gt;V3c0.0Aainfix &lt;=c0.0V0F">
@@ -253,9 +253,9 @@
      <goal
       name="WP_parameter sqrt.9"
       locfile="../binary_sqrt.mlw"
-      loclnum="15" loccnumb="10" loccnume="14"
+      loclnum="16" loccnumb="10" loccnume="14"
       expl="9. precondition"
-      sum="db60f72179fd664ffceefc1bb1cda929"
+      sum="228255f4c81393d5b46ebd149782cb23"
       proved="true"
       expanded="false"
       shape="preconditionainfix &gt;=V4c1Aainfix &gt;V3c0.0Lainfix *c2.0V1Lainfix *c2V2Iainfix &lt;=afrom_intV2ainfix /amaxV0c1.0V3Iainfix &lt;=ainfix /ainfix *afrom_intV2V3V3ainfix /amaxV0c1.0V3Iainfix &lt;=ainfix *ainfix *afrom_intV2V3ainfix /c1.0V3ainfix *amaxV0c1.0ainfix /c1.0V3Iainfix &gt;ainfix /c1.0V3c0.0Iainfix &lt;=ainfix *afrom_intV2V3amaxV0c1.0INainfix &lt;c1.0V1Aainfix &lt;V0V1Iainfix =V1ainfix *afrom_intV2V3Aainfix &gt;=V2c1Aainfix &gt;V3c0.0Aainfix &lt;=c0.0V0F">
@@ -289,9 +289,9 @@
      <goal
       name="WP_parameter sqrt.10"
       locfile="../binary_sqrt.mlw"
-      loclnum="15" loccnumb="10" loccnume="14"
+      loclnum="16" loccnumb="10" loccnume="14"
       expl="10. precondition"
-      sum="57733405904b2f96e18bd83720590ed6"
+      sum="aac0c6fd62909777cc134f89f5a8a500"
       proved="true"
       expanded="false"
       shape="preconditionainfix =V5ainfix *afrom_intV4V3Lainfix *c2.0V1Lainfix *c2V2Iainfix &lt;=afrom_intV2ainfix /amaxV0c1.0V3Iainfix &lt;=ainfix /ainfix *afrom_intV2V3V3ainfix /amaxV0c1.0V3Iainfix &lt;=ainfix *ainfix *afrom_intV2V3ainfix /c1.0V3ainfix *amaxV0c1.0ainfix /c1.0V3Iainfix &gt;ainfix /c1.0V3c0.0Iainfix &lt;=ainfix *afrom_intV2V3amaxV0c1.0INainfix &lt;c1.0V1Aainfix &lt;V0V1Iainfix =V1ainfix *afrom_intV2V3Aainfix &gt;=V2c1Aainfix &gt;V3c0.0Aainfix &lt;=c0.0V0F">
@@ -309,9 +309,9 @@
      <goal
       name="WP_parameter sqrt.11"
       locfile="../binary_sqrt.mlw"
-      loclnum="15" loccnumb="10" loccnume="14"
+      loclnum="16" loccnumb="10" loccnume="14"
       expl="11. postcondition"
-      sum="2f87448e0221cf27665404ed840f0f27"
+      sum="99fdae98c4c5124065b35bd678dd849a"
       proved="true"
       expanded="false"
       shape="postconditionainfix &lt;V0ainfix *ainfix +iV6ainfix +V6V1ainfix &lt;=ainfix *ainfix +V6V1ainfix +V6V1V0V1ainfix +iV6ainfix +V6V1ainfix &lt;=ainfix *ainfix +V6V1ainfix +V6V1V0V1Aainfix &lt;=ainfix *iV6ainfix +V6V1ainfix &lt;=ainfix *ainfix +V6V1ainfix +V6V1V0iV6ainfix +V6V1ainfix &lt;=ainfix *ainfix +V6V1ainfix +V6V1V0V0Iainfix &lt;V0ainfix *ainfix +V6V5ainfix +V6V5Aainfix &lt;=ainfix *V6V6V0FIainfix =V5ainfix *afrom_intV4V3Aainfix &gt;=V4c1Aainfix &gt;V3c0.0Aainfix &lt;=c0.0V0Lainfix *c2.0V1Lainfix *c2V2Iainfix &lt;=afrom_intV2ainfix /amaxV0c1.0V3Iainfix &lt;=ainfix /ainfix *afrom_intV2V3V3ainfix /amaxV0c1.0V3Iainfix &lt;=ainfix *ainfix *afrom_intV2V3ainfix /c1.0V3ainfix *amaxV0c1.0ainfix /c1.0V3Iainfix &gt;ainfix /c1.0V3c0.0Iainfix &lt;=ainfix *afrom_intV2V3amaxV0c1.0INainfix &lt;c1.0V1Aainfix &lt;V0V1Iainfix =V1ainfix *afrom_intV2V3Aainfix &gt;=V2c1Aainfix &gt;V3c0.0Aainfix &lt;=c0.0V0F">
@@ -331,9 +331,9 @@
    <goal
     name="WP_parameter sqrt_main"
     locfile="../binary_sqrt.mlw"
-    loclnum="34" loccnumb="6" loccnume="15"
+    loclnum="35" loccnumb="6" loccnume="15"
     expl="VC for sqrt_main"
-    sum="03ef75c035dc380c3f4e0340a7d63d66"
+    sum="c34a139793f399d5395639d3b7ce4df4"
     proved="true"
     expanded="true"
     shape="ainfix &lt;V0ainfix *ainfix +V2V1ainfix +V2V1Aainfix &lt;=ainfix *V2V2V0Iainfix &lt;V0ainfix *ainfix +V2V1ainfix +V2V1Aainfix &lt;=ainfix *V2V2V0FAainfix =V1ainfix *afrom_intc1V1Aainfix &gt;=c1c1Aainfix &gt;V1c0.0Aainfix &lt;=c0.0V0Iainfix &gt;V1c0.0Aainfix &lt;=c0.0V0F">
@@ -346,9 +346,9 @@
      <goal
       name="WP_parameter sqrt_main.1"
       locfile="../binary_sqrt.mlw"
-      loclnum="34" loccnumb="6" loccnume="15"
+      loclnum="35" loccnumb="6" loccnume="15"
       expl="1. precondition"
-      sum="e3ff449838bb62dc594acd756bca46f5"
+      sum="a4f4b305f07cc5e971c99ce1c17331e4"
       proved="true"
       expanded="false"
       shape="preconditionainfix &lt;=c0.0V0Iainfix &gt;V1c0.0Aainfix &lt;=c0.0V0F">
@@ -390,9 +390,9 @@
      <goal
       name="WP_parameter sqrt_main.2"
       locfile="../binary_sqrt.mlw"
-      loclnum="34" loccnumb="6" loccnume="15"
+      loclnum="35" loccnumb="6" loccnume="15"
       expl="2. precondition"
-      sum="f35d8f45c47da4914e498f9e992bf5ff"
+      sum="9b43683c9c4eff601a49aaa9410eeac0"
       proved="true"
       expanded="false"
       shape="preconditionainfix &gt;=c1c1Aainfix &gt;V1c0.0Iainfix &gt;V1c0.0Aainfix &lt;=c0.0V0F">
@@ -434,9 +434,9 @@
      <goal
       name="WP_parameter sqrt_main.3"
       locfile="../binary_sqrt.mlw"
-      loclnum="34" loccnumb="6" loccnume="15"
+      loclnum="35" loccnumb="6" loccnume="15"
       expl="3. precondition"
-      sum="86d6ac51bee34d8363177a1b283374bd"
+      sum="735dc81a88955752d1d437dd00d880cf"
       proved="true"
       expanded="false"
       shape="preconditionainfix =V1ainfix *afrom_intc1V1Iainfix &gt;V1c0.0Aainfix &lt;=c0.0V0F">
@@ -478,9 +478,9 @@
      <goal
       name="WP_parameter sqrt_main.4"
       locfile="../binary_sqrt.mlw"
-      loclnum="34" loccnumb="6" loccnume="15"
+      loclnum="35" loccnumb="6" loccnume="15"
       expl="4. postcondition"
-      sum="934300f06e96fe0a1d0d841e7b912eb2"
+      sum="e85265bbf58abeb249a5a034be320f57"
       proved="true"
       expanded="false"
       shape="postconditionainfix &lt;V0ainfix *ainfix +V2V1ainfix +V2V1Aainfix &lt;=ainfix *V2V2V0Iainfix &lt;V0ainfix *ainfix +V2V1ainfix +V2V1Aainfix &lt;=ainfix *V2V2V0FIainfix =V1ainfix *afrom_intc1V1Aainfix &gt;=c1c1Aainfix &gt;V1c0.0Aainfix &lt;=c0.0V0Iainfix &gt;V1c0.0Aainfix &lt;=c0.0V0F">
diff --git a/examples/bresenham/why3session.xml b/examples/bresenham/why3session.xml
index a397f1f6854cf8843893b47c005470db4411aa15..7c354acb79066ef26ca03d2af278d1a604cff74a 100644
--- a/examples/bresenham/why3session.xml
+++ b/examples/bresenham/why3session.xml
@@ -35,7 +35,7 @@
     name="closest"
     locfile="../bresenham.mlw"
     loclnum="34" loccnumb="8" loccnume="15"
-    sum="c18e4a733a845b9d1202d0b801bbf0f3"
+    sum="95d8e3e83400477156b0c6fbd6ebe59e"
     proved="true"
     expanded="true"
     shape="ainfix &lt;=aabsainfix -ainfix *V0V1V2aabsainfix -ainfix *V0V3V2FIainfix &lt;=aabsainfix -ainfix *ainfix *c2V0V1ainfix *c2V2V0F">
@@ -46,7 +46,7 @@
      edited="bresenham_M_closest_1.v"
      obsolete="false"
      archived="false">
-     <result status="valid" time="3.74"/>
+     <result status="valid" time="1.29"/>
     </proof>
    </goal>
    <goal
@@ -54,7 +54,7 @@
     locfile="../bresenham.mlw"
     loclnum="39" loccnumb="6" loccnume="15"
     expl="VC for bresenham"
-    sum="9b8128bb23b676133822da0cac2fea53"
+    sum="7ba5580c4640dde414e2e5c479466406"
     proved="true"
     expanded="true"
     shape="iainfix &lt;=V5ainfix *c2ay2Aainfix &lt;=ainfix *c2ainfix -ay2ax2V5Aainfix =V5ainfix -ainfix *ainfix *c2ainfix +ainfix +V3c1c1ay2ainfix *ainfix +ainfix *c2V4c1ax2Iainfix =V5ainfix +V1ainfix *c2ainfix -ay2ax2FIainfix =V4ainfix +V2c1Fainfix &lt;=V6ainfix *c2ay2Aainfix &lt;=ainfix *c2ainfix -ay2ax2V6Aainfix =V6ainfix -ainfix *ainfix *c2ainfix +ainfix +V3c1c1ay2ainfix *ainfix +ainfix *c2V2c1ax2Iainfix =V6ainfix +V1ainfix *c2ay2Fainfix &lt;V1c0AabestV3V2Iainfix &lt;=V1ainfix *c2ay2Aainfix &lt;=ainfix *c2ainfix -ay2ax2V1Aainfix =V1ainfix -ainfix *ainfix *c2ainfix +V3c1ay2ainfix *ainfix +ainfix *c2V2c1ax2Iainfix &lt;=V3V0Aainfix &lt;=c0V3FFAainfix &lt;=ainfix -ainfix *c2ay2ax2ainfix *c2ay2Aainfix &lt;=ainfix *c2ainfix -ay2ax2ainfix -ainfix *c2ay2ax2Aainfix =ainfix -ainfix *c2ay2ax2ainfix -ainfix *ainfix *c2ainfix +c0c1ay2ainfix *ainfix +ainfix *c2c0c1ax2Iainfix &lt;=c0V0Lax2">
@@ -69,7 +69,7 @@
       locfile="../bresenham.mlw"
       loclnum="39" loccnumb="6" loccnume="15"
       expl="1. loop invariant init"
-      sum="818d60808053e43e7be4da19c039bf40"
+      sum="73bac718d188f399d95c94526ff00d45"
       proved="true"
       expanded="true"
       shape="loop invariant initainfix =ainfix -ainfix *c2ay2ax2ainfix -ainfix *ainfix *c2ainfix +c0c1ay2ainfix *ainfix +ainfix *c2c0c1ax2Iainfix &lt;=c0V0Lax2">
@@ -105,7 +105,7 @@
       locfile="../bresenham.mlw"
       loclnum="39" loccnumb="6" loccnume="15"
       expl="2. loop invariant init"
-      sum="4ed4f3c9453360f984689a439a94d03a"
+      sum="d3ff8f58676f65292f348f1e01ad13c6"
       proved="true"
       expanded="true"
       shape="loop invariant initainfix &lt;=ainfix -ainfix *c2ay2ax2ainfix *c2ay2Aainfix &lt;=ainfix *c2ainfix -ay2ax2ainfix -ainfix *c2ay2ax2Iainfix &lt;=c0V0Lax2">
@@ -125,7 +125,7 @@
       locfile="../bresenham.mlw"
       loclnum="39" loccnumb="6" loccnume="15"
       expl="3. assertion"
-      sum="fcbcee9000353217b3dbca58d7cc9146"
+      sum="145816b0641871a72f5fd04fc38bd8af"
       proved="true"
       expanded="true"
       shape="assertionabestV3V2Iainfix &lt;=V1ainfix *c2ay2Aainfix &lt;=ainfix *c2ainfix -ay2ax2V1Aainfix =V1ainfix -ainfix *ainfix *c2ainfix +V3c1ay2ainfix *ainfix +ainfix *c2V2c1ax2Iainfix &lt;=V3V0Aainfix &lt;=c0V3FFIainfix &lt;=c0V0Lax2">
@@ -137,7 +137,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="6.17"/>
+       <result status="valid" time="1.86"/>
       </proof>
       <proof
        prover="1"
@@ -145,7 +145,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="6.86"/>
+       <result status="valid" time="1.80"/>
       </proof>
      </goal>
      <goal
@@ -153,7 +153,7 @@
       locfile="../bresenham.mlw"
       loclnum="39" loccnumb="6" loccnume="15"
       expl="4. loop invariant preservation"
-      sum="0926f96b84b6aebff66f2379e7c0e76e"
+      sum="0c464430697f406b20cf1199bd5adfb9"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainfix =V4ainfix -ainfix *ainfix *c2ainfix +ainfix +V3c1c1ay2ainfix *ainfix +ainfix *c2V2c1ax2Iainfix =V4ainfix +V1ainfix *c2ay2FIainfix &lt;V1c0IabestV3V2Iainfix &lt;=V1ainfix *c2ay2Aainfix &lt;=ainfix *c2ainfix -ay2ax2V1Aainfix =V1ainfix -ainfix *ainfix *c2ainfix +V3c1ay2ainfix *ainfix +ainfix *c2V2c1ax2Iainfix &lt;=V3V0Aainfix &lt;=c0V3FFIainfix &lt;=c0V0Lax2">
@@ -189,7 +189,7 @@
       locfile="../bresenham.mlw"
       loclnum="39" loccnumb="6" loccnume="15"
       expl="5. loop invariant preservation"
-      sum="46f21c9ec9008592af315031d0658467"
+      sum="4b9a313a3ab1ccca4f6b19eb2c6d673f"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainfix &lt;=V4ainfix *c2ay2Aainfix &lt;=ainfix *c2ainfix -ay2ax2V4Iainfix =V4ainfix +V1ainfix *c2ay2FIainfix &lt;V1c0IabestV3V2Iainfix &lt;=V1ainfix *c2ay2Aainfix &lt;=ainfix *c2ainfix -ay2ax2V1Aainfix =V1ainfix -ainfix *ainfix *c2ainfix +V3c1ay2ainfix *ainfix +ainfix *c2V2c1ax2Iainfix &lt;=V3V0Aainfix &lt;=c0V3FFIainfix &lt;=c0V0Lax2">
@@ -209,7 +209,7 @@
       locfile="../bresenham.mlw"
       loclnum="39" loccnumb="6" loccnume="15"
       expl="6. loop invariant preservation"
-      sum="effb2332ccb437bc6e30129ae779efb0"
+      sum="8c9dfb21ea36fe4493a3fe323019ebd6"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainfix =V5ainfix -ainfix *ainfix *c2ainfix +ainfix +V3c1c1ay2ainfix *ainfix +ainfix *c2V4c1ax2Iainfix =V5ainfix +V1ainfix *c2ainfix -ay2ax2FIainfix =V4ainfix +V2c1FINainfix &lt;V1c0IabestV3V2Iainfix &lt;=V1ainfix *c2ay2Aainfix &lt;=ainfix *c2ainfix -ay2ax2V1Aainfix =V1ainfix -ainfix *ainfix *c2ainfix +V3c1ay2ainfix *ainfix +ainfix *c2V2c1ax2Iainfix &lt;=V3V0Aainfix &lt;=c0V3FFIainfix &lt;=c0V0Lax2">
@@ -229,7 +229,7 @@
        memlimit="0"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.95"/>
+       <result status="valid" time="0.28"/>
       </proof>
      </goal>
      <goal
@@ -237,7 +237,7 @@
       locfile="../bresenham.mlw"
       loclnum="39" loccnumb="6" loccnume="15"
       expl="7. loop invariant preservation"
-      sum="60e316bbceaf72ebb290a196c9b2d99f"
+      sum="c4eeab8e74f4cc05b9c39bab40e5a4b7"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainfix &lt;=V5ainfix *c2ay2Aainfix &lt;=ainfix *c2ainfix -ay2ax2V5Iainfix =V5ainfix +V1ainfix *c2ainfix -ay2ax2FIainfix =V4ainfix +V2c1FINainfix &lt;V1c0IabestV3V2Iainfix &lt;=V1ainfix *c2ay2Aainfix &lt;=ainfix *c2ainfix -ay2ax2V1Aainfix =V1ainfix -ainfix *ainfix *c2ainfix +V3c1ay2ainfix *ainfix +ainfix *c2V2c1ax2Iainfix &lt;=V3V0Aainfix &lt;=c0V3FFIainfix &lt;=c0V0Lax2">
diff --git a/examples/bts/13375/why3session.xml b/examples/bts/13375/why3session.xml
index 9669790b75eaefe5b3d8d6449a63f73d485da464..672724392c65fcc47fc3174d08d2e800b59f9cb7 100644
--- a/examples/bts/13375/why3session.xml
+++ b/examples/bts/13375/why3session.xml
@@ -27,7 +27,7 @@
     locfile="../13375.mlw"
     loclnum="51" loccnumb="5" loccnume="12"
     expl="VC for to_int_"
-    sum="e6a711bfdd6682b19fabf8bf80de62d2"
+    sum="32f921fac01c5c8809e2cb26c095e80a"
     proved="true"
     expanded="true"
     shape="t">
diff --git a/examples/bts/13853/why3session.xml b/examples/bts/13853/why3session.xml
index 1ec36fda5ebee4b35c2f5398b0de8757928142fd..eea92cfac4e27c083ed14452ce5b705aa7318483 100644
--- a/examples/bts/13853/why3session.xml
+++ b/examples/bts/13853/why3session.xml
@@ -20,7 +20,7 @@
     locfile="../13853.mlw"
     loclnum="16" loccnumb="8" loccnume="9"
     expl="VC for f"
-    sum="fdfdcd8a1f137c078f0abe9250e1cce9"
+    sum="b02952dbc728d0247c4fc708f2e40d93"
     proved="true"
     expanded="true"
     shape="t">
@@ -40,7 +40,7 @@
     locfile="../13853.mlw"
     loclnum="17" loccnumb="8" loccnume="9"
     expl="VC for g"
-    sum="2025d70e832acc7e1ff2583948c31de9"
+    sum="1457d9f96317c678855684b7f490c772"
     proved="true"
     expanded="true"
     shape="ainfix &lt;c0c1Aainfix &lt;=c0c1">
diff --git a/examples/checking_a_large_routine/why3session.xml b/examples/checking_a_large_routine/why3session.xml
index 6db9167f31a58bca344ce5a6b97ddef7f9a0ca68..de8f31e63bafc6e25994b592dd0b9bf3dfeca0e1 100644
--- a/examples/checking_a_large_routine/why3session.xml
+++ b/examples/checking_a_large_routine/why3session.xml
@@ -24,7 +24,7 @@
     locfile="../checking_a_large_routine.mlw"
     loclnum="13" loccnumb="6" loccnume="13"
     expl="VC for routine"
-    sum="9028bb052f853665b3d323d2b19dfc50"
+    sum="b6b5481cb51b7e0c70ff9af6915ef113"
     proved="true"
     expanded="true"
     shape="iainfix =V1afactV0iainfix &lt;ainfix -V0V5ainfix -V0V2Aainfix &lt;=c0ainfix -V0V2Aainfix =V4afactV5Aainfix &lt;=V5V0Aainfix &lt;=c0V5Iainfix =V5ainfix +V2c1Fainfix &lt;ainfix -V2V7ainfix -V2V3Aainfix &lt;=c0ainfix -V2V3Aainfix =V6ainfix *V7afactV2Aainfix &lt;=V7ainfix +V2c1Aainfix &lt;=c1V7Iainfix =V7ainfix +V3c1FIainfix =V6ainfix +V4V1Fainfix &lt;=V3V2Iainfix =V4ainfix *V3afactV2Aainfix &lt;=V3ainfix +V2c1Aainfix &lt;=c1V3FAainfix =V1ainfix *c1afactV2Aainfix &lt;=c1ainfix +V2c1Aainfix &lt;=c1c1ainfix &lt;V2V0Iainfix =V1afactV2Aainfix &lt;=V2V0Aainfix &lt;=c0V2FAainfix =c1afactc0Aainfix &lt;=c0V0Aainfix &lt;=c0c0Iainfix &gt;=V0c0F">
@@ -39,7 +39,7 @@
       locfile="../checking_a_large_routine.mlw"
       loclnum="13" loccnumb="6" loccnume="13"
       expl="1. loop invariant init"
-      sum="5e85633930721ccde15b77bd37db8970"
+      sum="0eb61307b91c2331318ee93f9effac3c"
       proved="true"
       expanded="true"
       shape="loop invariant initainfix =c1afactc0Aainfix &lt;=c0V0Aainfix &lt;=c0c0Iainfix &gt;=V0c0F">
@@ -59,7 +59,7 @@
       locfile="../checking_a_large_routine.mlw"
       loclnum="13" loccnumb="6" loccnume="13"
       expl="2. loop invariant init"
-      sum="fdb154b730c0cafc3232df24a5cdaa88"
+      sum="17cdb36ee2341f2279e0cf83995fdb58"
       proved="true"
       expanded="true"
       shape="loop invariant initainfix =V1ainfix *c1afactV2Aainfix &lt;=c1ainfix +V2c1Aainfix &lt;=c1c1Iainfix &lt;V2V0Iainfix =V1afactV2Aainfix &lt;=V2V0Aainfix &lt;=c0V2FIainfix &gt;=V0c0F">
@@ -79,7 +79,7 @@
       locfile="../checking_a_large_routine.mlw"
       loclnum="13" loccnumb="6" loccnume="13"
       expl="3. loop invariant preservation"
-      sum="625fc39700faa574f948d4e3620ac349"
+      sum="1ace46d516a0fdf573b4e9bb4b8a4e0c"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainfix =V5ainfix *V6afactV2Aainfix &lt;=V6ainfix +V2c1Aainfix &lt;=c1V6Iainfix =V6ainfix +V3c1FIainfix =V5ainfix +V4V1FIainfix &lt;=V3V2Iainfix =V4ainfix *V3afactV2Aainfix &lt;=V3ainfix +V2c1Aainfix &lt;=c1V3FIainfix &lt;V2V0Iainfix =V1afactV2Aainfix &lt;=V2V0Aainfix &lt;=c0V2FIainfix &gt;=V0c0F">
@@ -99,7 +99,7 @@
       locfile="../checking_a_large_routine.mlw"
       loclnum="13" loccnumb="6" loccnume="13"
       expl="4. loop variant decrease"
-      sum="bd77cce67743829f073a59e157745762"
+      sum="1578eeea58be86a10c85e40060cec867"
       proved="true"
       expanded="true"
       shape="loop variant decreaseainfix &lt;ainfix -V2V6ainfix -V2V3Aainfix &lt;=c0ainfix -V2V3Iainfix =V6ainfix +V3c1FIainfix =V5ainfix +V4V1FIainfix &lt;=V3V2Iainfix =V4ainfix *V3afactV2Aainfix &lt;=V3ainfix +V2c1Aainfix &lt;=c1V3FIainfix &lt;V2V0Iainfix =V1afactV2Aainfix &lt;=V2V0Aainfix &lt;=c0V2FIainfix &gt;=V0c0F">
@@ -119,7 +119,7 @@
       locfile="../checking_a_large_routine.mlw"
       loclnum="13" loccnumb="6" loccnume="13"
       expl="5. loop invariant preservation"
-      sum="a60c94b84bb74652d744241ab7559be6"
+      sum="eefe4b3483bb694f5ca92a7722cbd546"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainfix =V4afactV5Aainfix &lt;=V5V0Aainfix &lt;=c0V5Iainfix =V5ainfix +V2c1FINainfix &lt;=V3V2Iainfix =V4ainfix *V3afactV2Aainfix &lt;=V3ainfix +V2c1Aainfix &lt;=c1V3FIainfix &lt;V2V0Iainfix =V1afactV2Aainfix &lt;=V2V0Aainfix &lt;=c0V2FIainfix &gt;=V0c0F">
@@ -139,7 +139,7 @@
       locfile="../checking_a_large_routine.mlw"
       loclnum="13" loccnumb="6" loccnume="13"
       expl="6. loop variant decrease"
-      sum="6ea25727fb4618dcc0d3b7ab9333f3fd"
+      sum="7a85e21f66f49405053c48f4d8c159e3"
       proved="true"
       expanded="true"
       shape="loop variant decreaseainfix &lt;ainfix -V0V5ainfix -V0V2Aainfix &lt;=c0ainfix -V0V2Iainfix =V5ainfix +V2c1FINainfix &lt;=V3V2Iainfix =V4ainfix *V3afactV2Aainfix &lt;=V3ainfix +V2c1Aainfix &lt;=c1V3FIainfix &lt;V2V0Iainfix =V1afactV2Aainfix &lt;=V2V0Aainfix &lt;=c0V2FIainfix &gt;=V0c0F">
@@ -159,7 +159,7 @@
       locfile="../checking_a_large_routine.mlw"
       loclnum="13" loccnumb="6" loccnume="13"
       expl="7. postcondition"
-      sum="54ac74a0f40458aca9c976064b73b1bb"
+      sum="c8d4f9bc758f1be2b89ead1120ac33dc"
       proved="true"
       expanded="true"
       shape="postconditionainfix =V1afactV0INainfix &lt;V2V0Iainfix =V1afactV2Aainfix &lt;=V2V0Aainfix &lt;=c0V2FIainfix &gt;=V0c0F">
@@ -181,7 +181,7 @@
     locfile="../checking_a_large_routine.mlw"
     loclnum="32" loccnumb="6" loccnume="14"
     expl="VC for routine2"
-    sum="8ad714dc13aab5e8d912904330e01693"
+    sum="cd3b8e0513993bb30efb41ed23ef34d4"
     proved="true"
     expanded="true"
     shape="ainfix =V2afactV0Iainfix =V2afactainfix +V1c1Aainfix =V4afactainfix +V3c1Iainfix =V4ainfix *ainfix +V3c1afactV3Aainfix =V6ainfix *ainfix +V5c1afactV3Iainfix =V6ainfix +V4V2FIainfix =V4ainfix *V5afactV3Iainfix &lt;=V5V3Aainfix &lt;=c1V5FFAainfix =V2ainfix *c1afactV3Iainfix &lt;=c1V3Aainfix =V2afactainfix +V3c1Iainfix &gt;c1V3Iainfix =V2afactV3Iainfix &lt;=V3V1Aainfix &lt;=c0V3FFAainfix =c1afactc0Iainfix &lt;=c0V1Aainfix =c1afactV0Iainfix &gt;c0V1Lainfix -V0c1Iainfix &gt;=V0c0F">
@@ -196,7 +196,7 @@
       locfile="../checking_a_large_routine.mlw"
       loclnum="32" loccnumb="6" loccnume="14"
       expl="1. postcondition"
-      sum="db19aa1c1bc3d5cf1ca85d08e394718c"
+      sum="f18d3e5252e4c202abc17515531067ba"
       proved="true"
       expanded="true"
       shape="postconditionainfix =c1afactV0Iainfix &gt;c0V1Lainfix -V0c1Iainfix &gt;=V0c0F">
@@ -216,7 +216,7 @@
       locfile="../checking_a_large_routine.mlw"
       loclnum="32" loccnumb="6" loccnume="14"
       expl="2. loop invariant init"
-      sum="a1cd7023e9565fb9ab8956edfe0522b5"
+      sum="309ddfa2c36dc1b8fde6e7e1721c83d2"
       proved="true"
       expanded="true"
       shape="loop invariant initainfix =c1afactc0Iainfix &lt;=c0V1Lainfix -V0c1Iainfix &gt;=V0c0F">
@@ -236,7 +236,7 @@
       locfile="../checking_a_large_routine.mlw"
       loclnum="32" loccnumb="6" loccnume="14"
       expl="3. loop invariant preservation"
-      sum="5a7961404a2829ffe8b3732f7e0e2eaa"
+      sum="4e9f02c291b0686631a49ed6e54e654f"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainfix =V2afactainfix +V3c1Iainfix &gt;c1V3Iainfix =V2afactV3Iainfix &lt;=V3V1Aainfix &lt;=c0V3FFIainfix &lt;=c0V1Lainfix -V0c1Iainfix &gt;=V0c0F">
@@ -256,7 +256,7 @@
       locfile="../checking_a_large_routine.mlw"
       loclnum="32" loccnumb="6" loccnume="14"
       expl="4. loop invariant init"
-      sum="08a955513f4e5a20d1159bb4e745e895"
+      sum="32c64d5b033a385d1394b180d6b835aa"
       proved="true"
       expanded="true"
       shape="loop invariant initainfix =V2ainfix *c1afactV3Iainfix &lt;=c1V3Iainfix =V2afactV3Iainfix &lt;=V3V1Aainfix &lt;=c0V3FFIainfix &lt;=c0V1Lainfix -V0c1Iainfix &gt;=V0c0F">
@@ -276,7 +276,7 @@
       locfile="../checking_a_large_routine.mlw"
       loclnum="32" loccnumb="6" loccnume="14"
       expl="5. loop invariant preservation"
-      sum="cc3a49db2295ba19ad2c44b7ea7fe465"
+      sum="f2da4444521bc9d9f94f1edd54098af3"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainfix =V6ainfix *ainfix +V5c1afactV3Iainfix =V6ainfix +V4V2FIainfix =V4ainfix *V5afactV3Iainfix &lt;=V5V3Aainfix &lt;=c1V5FFIainfix &lt;=c1V3Iainfix =V2afactV3Iainfix &lt;=V3V1Aainfix &lt;=c0V3FFIainfix &lt;=c0V1Lainfix -V0c1Iainfix &gt;=V0c0F">
@@ -296,7 +296,7 @@
       locfile="../checking_a_large_routine.mlw"
       loclnum="32" loccnumb="6" loccnume="14"
       expl="6. loop invariant preservation"
-      sum="bf809ddb0e91ab7ed09f3eeb86f8abd8"
+      sum="e98222c8a5d88bb129eb443e02c662df"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainfix =V4afactainfix +V3c1Iainfix =V4ainfix *ainfix +V3c1afactV3FIainfix &lt;=c1V3Iainfix =V2afactV3Iainfix &lt;=V3V1Aainfix &lt;=c0V3FFIainfix &lt;=c0V1Lainfix -V0c1Iainfix &gt;=V0c0F">
@@ -316,7 +316,7 @@
       locfile="../checking_a_large_routine.mlw"
       loclnum="32" loccnumb="6" loccnume="14"
       expl="7. postcondition"
-      sum="754f3053aa741a90e6fc0576da6088b0"
+      sum="cec5ffbe4cde68dfe5c00dd13ee15719"
       proved="true"
       expanded="true"
       shape="postconditionainfix =V2afactV0Iainfix =V2afactainfix +V1c1FIainfix &lt;=c0V1Lainfix -V0c1Iainfix &gt;=V0c0F">
diff --git a/examples/conjugate/why3session.xml b/examples/conjugate/why3session.xml
index d0f044147e3e432d6c61474fd0a8d67ef218a229..e78f2dfae97f72cb1dade8ae29effe08febb022e 100644
--- a/examples/conjugate/why3session.xml
+++ b/examples/conjugate/why3session.xml
@@ -24,7 +24,7 @@
     locfile="../conjugate.mlw"
     loclnum="66" loccnumb="6" loccnume="15"
     expl="VC for conjugate"
-    sum="62b7afa89d09ab9264bcd4835140a412"
+    sum="bce27e508c2328f664ad6ebb7edafbfc"
     proved="true"
     expanded="true"
     shape="iais_conjugateV2amk arrayV3V5Aainfix &lt;=c0V3Aainfix =agetV1V4c0iainfix &lt;ainfix -V0V8ainfix -V0V4Aainfix &lt;=c0ainfix -V0V4AanumofgtV2agetV11V12V12Iainfix &lt;V12V3Aainfix &lt;=agetV1V8V12FAainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV11V13V8Iainfix &lt;V13ainfix +V9c1Aainfix &lt;=agetV1V8V13FAainfix =agetV11V14agetV5V14Iainfix &lt;V14V3Aainfix &lt;=V6V14FAainfix =agetV16V17V8Iainfix &lt;V17ainfix +V15c1Aainfix &lt;=agetV1V8V17FAainfix =agetV16V18agetV5V18Iainfix &lt;V18V3Aainfix &lt;=V6V18FIainfix =V16asetV11V15V8Aainfix &lt;=c0V3FAainfix &lt;V15V3Aainfix &lt;=c0V15Aainfix &lt;=c0V3Iainfix =agetV11V19V8Iainfix &lt;V19V15Aainfix &lt;=agetV1V8V19FAainfix =agetV11V20agetV5V20Iainfix &lt;V20V3Aainfix &lt;=V6V20FIainfix &lt;=V15V9Aainfix &lt;=V10V15FFAainfix =agetV5V21V8Iainfix &lt;V21V10Aainfix &lt;=agetV1V8V21FIainfix &lt;=V10V9Aainfix &lt;ainfix -V0V8ainfix -V0V4Aainfix &lt;=c0ainfix -V0V4AanumofgtV2agetV5V22V22Iainfix &lt;V22V3Aainfix &lt;=agetV1V8V22FAainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix &gt;V10V9LagetV1V8Aainfix &lt;V8V0Aainfix &lt;=c0V8Lainfix -V6c1ainfix &lt;ainfix -V0V23ainfix -V0V8Aainfix &lt;=c0ainfix -V0V8Aainfix =agetV1V24V6Iainfix &lt;V24V23Aainfix &lt;=V4V24FAainfix &lt;V23V0Aainfix &lt;=V4V23Iainfix =V23ainfix +V8c1Fainfix =agetV1V8V6Aainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV1V25V6Iainfix &lt;V25V8Aainfix &lt;=V4V25FAainfix &lt;V8V0Aainfix &lt;=V4V8FAainfix =agetV1V26V6Iainfix &lt;V26V7Aainfix &lt;=V4V26FAainfix &lt;V7V0Aainfix &lt;=V4V7Iainfix =V7ainfix +V4c1FLagetV1V4Aainfix &lt;V4V0Aainfix &lt;=c0V4Nainfix =agetV1V4c0Aainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V27V27Iainfix &lt;V27V3Aainfix &lt;=agetV1V4V27FAainfix &lt;V4V0Aainfix &lt;=c0V4FAanumofgtV2agetaconstc0V28V28Iainfix &lt;V28V3Aainfix &lt;=agetV1c0V28FAainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;=c0V3Aainfix &gt;=V3c0Lainfix +agetV1c0c1Aainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -38,11 +38,11 @@
       name="WP_parameter conjugate.1"
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
-      expl="1. precondition"
-      sum="87d85fba1149a9016d6d644cfeca8ca9"
+      expl="1. index in array bounds"
+      sum="f393691afc32068bdf6979c16e09bb37"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for conjugate"/>
       <proof
@@ -51,18 +51,18 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.03"/>
+       <result status="valid" time="0.01"/>
       </proof>
      </goal>
      <goal
       name="WP_parameter conjugate.2"
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
-      expl="2. precondition"
-      sum="fc6957d1067d5c0e9143442805fb7656"
+      expl="2. array creation size"
+      sum="60cdbba22c36656994135b798850f919"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="array creation sizeainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for conjugate"/>
       <proof
@@ -79,7 +79,7 @@
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
       expl="3. loop invariant init"
-      sum="803cd83ad11b2ed3abc1d8270839efe2"
+      sum="72fa41e57b529bcad156b80d9c03f6be"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -99,7 +99,7 @@
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
       expl="4. loop invariant init"
-      sum="5e21fb49be833e53df79607197db5941"
+      sum="fdc0ba4e5f6e74f4e209a77db3b29f73"
       proved="true"
       expanded="false"
       shape="loop invariant initanumofgtV2agetaconstc0V4V4Iainfix &lt;V4V3Aainfix &lt;=agetV1c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -118,11 +118,11 @@
       name="WP_parameter conjugate.5"
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
-      expl="5. precondition"
-      sum="6ba77bc0f7e2daf87c90ea658fb61c94"
+      expl="5. index in array bounds"
+      sum="b706d56f9333cdad09fada7f5ed497d7"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V6V6Iainfix &lt;V6V3Aainfix &lt;=agetV1V4V6FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V6V6Iainfix &lt;V6V3Aainfix &lt;=agetV1V4V6FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for conjugate"/>
       <proof
@@ -131,18 +131,18 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.04"/>
+       <result status="valid" time="0.02"/>
       </proof>
      </goal>
      <goal
       name="WP_parameter conjugate.6"
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
-      expl="6. precondition"
-      sum="02a1b7f42c37bba36835038360ebcb1b"
+      expl="6. index in array bounds"
+      sum="3dffca23563431eaffde2e7a93ab5239"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V6V6Iainfix &lt;V6V3Aainfix &lt;=agetV1V4V6FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V6V6Iainfix &lt;V6V3Aainfix &lt;=agetV1V4V6FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for conjugate"/>
       <proof
@@ -151,7 +151,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.00"/>
+       <result status="valid" time="0.01"/>
       </proof>
      </goal>
      <goal
@@ -159,7 +159,7 @@
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
       expl="7. loop invariant init"
-      sum="5f4fb6cb38383b208a47c7e55cd5e72e"
+      sum="b7a78b73380dced2c04197ec2bfc3d66"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix &lt;V7V0Aainfix &lt;=V4V7Iainfix =V7ainfix +V4c1FLagetV1V4Iainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V8V8Iainfix &lt;V8V3Aainfix &lt;=agetV1V4V8FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -179,7 +179,7 @@
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
       expl="8. loop invariant init"
-      sum="27cce110980973c2ffe384a8b081e02d"
+      sum="9eb9148f3905c93db2bc99551ca99aaa"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix =agetV1V8V6Iainfix &lt;V8V7Aainfix &lt;=V4V8FIainfix =V7ainfix +V4c1FLagetV1V4Iainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V9V9Iainfix &lt;V9V3Aainfix &lt;=agetV1V4V9FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -198,11 +198,11 @@
       name="WP_parameter conjugate.9"
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
-      expl="9. precondition"
-      sum="8877411cae79983d111859601872432e"
+      expl="9. index in array bounds"
+      sum="de46895e1fe2c576bc7aab2dff511856"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV1V9V6Iainfix &lt;V9V8Aainfix &lt;=V4V9FAainfix &lt;V8V0Aainfix &lt;=V4V8FIainfix =V7ainfix +V4c1FLagetV1V4Iainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V10V10Iainfix &lt;V10V3Aainfix &lt;=agetV1V4V10FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV1V9V6Iainfix &lt;V9V8Aainfix &lt;=V4V9FAainfix &lt;V8V0Aainfix &lt;=V4V8FIainfix =V7ainfix +V4c1FLagetV1V4Iainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V10V10Iainfix &lt;V10V3Aainfix &lt;=agetV1V4V10FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for conjugate"/>
       <proof
@@ -211,7 +211,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.02"/>
+       <result status="valid" time="0.04"/>
       </proof>
      </goal>
      <goal
@@ -219,7 +219,7 @@
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
       expl="10. loop invariant preservation"
-      sum="3165da8e2ddab949ad3e4e8e239bb712"
+      sum="69ab97853ff8024afeaa0d8a2861087a"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &lt;V9V0Aainfix &lt;=V4V9Iainfix =V9ainfix +V8c1FIainfix =agetV1V8V6Iainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV1V10V6Iainfix &lt;V10V8Aainfix &lt;=V4V10FAainfix &lt;V8V0Aainfix &lt;=V4V8FIainfix =V7ainfix +V4c1FLagetV1V4Iainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V11V11Iainfix &lt;V11V3Aainfix &lt;=agetV1V4V11FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -239,7 +239,7 @@
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
       expl="11. loop invariant preservation"
-      sum="779da917f821aca14956b7d593b1fc35"
+      sum="b31d53a8b1e087d370879ed2eead43a8"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix =agetV1V10V6Iainfix &lt;V10V9Aainfix &lt;=V4V10FIainfix =V9ainfix +V8c1FIainfix =agetV1V8V6Iainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV1V11V6Iainfix &lt;V11V8Aainfix &lt;=V4V11FAainfix &lt;V8V0Aainfix &lt;=V4V8FIainfix =V7ainfix +V4c1FLagetV1V4Iainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V12V12Iainfix &lt;V12V3Aainfix &lt;=agetV1V4V12FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -259,7 +259,7 @@
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
       expl="12. loop variant decrease"
-      sum="42b05004db72145ecafec2c992c177b2"
+      sum="d2f396e409b8dbee87a2e9b0e63b658d"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix &lt;ainfix -V0V9ainfix -V0V8Aainfix &lt;=c0ainfix -V0V8Iainfix =V9ainfix +V8c1FIainfix =agetV1V8V6Iainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV1V10V6Iainfix &lt;V10V8Aainfix &lt;=V4V10FAainfix &lt;V8V0Aainfix &lt;=V4V8FIainfix =V7ainfix +V4c1FLagetV1V4Iainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V11V11Iainfix &lt;V11V3Aainfix &lt;=agetV1V4V11FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -278,11 +278,11 @@
       name="WP_parameter conjugate.13"
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
-      expl="13. precondition"
-      sum="472ce636710591af2791e034db84f759"
+      expl="13. index in array bounds"
+      sum="3d14094503abaaa1fbb126f8714dcf5e"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;V8V0Aainfix &lt;=c0V8Lainfix -V6c1INainfix =agetV1V8V6Iainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV1V10V6Iainfix &lt;V10V8Aainfix &lt;=V4V10FAainfix &lt;V8V0Aainfix &lt;=V4V8FIainfix =V7ainfix +V4c1FLagetV1V4Iainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V11V11Iainfix &lt;V11V3Aainfix &lt;=agetV1V4V11FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;V8V0Aainfix &lt;=c0V8Lainfix -V6c1INainfix =agetV1V8V6Iainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV1V10V6Iainfix &lt;V10V8Aainfix &lt;=V4V10FAainfix &lt;V8V0Aainfix &lt;=V4V8FIainfix =V7ainfix +V4c1FLagetV1V4Iainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V11V11Iainfix &lt;V11V3Aainfix &lt;=agetV1V4V11FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for conjugate"/>
       <proof
@@ -291,7 +291,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.01"/>
+       <result status="valid" time="0.00"/>
       </proof>
      </goal>
      <goal
@@ -299,7 +299,7 @@
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
       expl="14. loop invariant preservation"
-      sum="a3f7b51ea0bedc461c714f8781fcfcb0"
+      sum="a0c04e6ade3ee56b2dcf7b4d4f7f0d04"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix &gt;V10V9LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8Lainfix -V6c1INainfix =agetV1V8V6Iainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV1V11V6Iainfix &lt;V11V8Aainfix &lt;=V4V11FAainfix &lt;V8V0Aainfix &lt;=V4V8FIainfix =V7ainfix +V4c1FLagetV1V4Iainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V12V12Iainfix &lt;V12V3Aainfix &lt;=agetV1V4V12FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -319,7 +319,7 @@
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
       expl="15. loop invariant preservation"
-      sum="9e38222c4e83c77b848d5edb780d4f88"
+      sum="84b3792df0408381f09ea6dc968240a1"
       proved="true"
       expanded="false"
       shape="loop invariant preservationanumofgtV2agetV5V11V11Iainfix &lt;V11V3Aainfix &lt;=agetV1V8V11FIainfix &gt;V10V9LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8Lainfix -V6c1INainfix =agetV1V8V6Iainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV1V12V6Iainfix &lt;V12V8Aainfix &lt;=V4V12FAainfix &lt;V8V0Aainfix &lt;=V4V8FIainfix =V7ainfix +V4c1FLagetV1V4Iainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V13V13Iainfix &lt;V13V3Aainfix &lt;=agetV1V4V13FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -339,7 +339,7 @@
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
       expl="16. loop variant decrease"
-      sum="3f88142dab79e3fe5a7558e19773b11d"
+      sum="bae4cfe31c2dca32d260aefd65374b16"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix &lt;ainfix -V0V8ainfix -V0V4Aainfix &lt;=c0ainfix -V0V4Iainfix &gt;V10V9LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8Lainfix -V6c1INainfix =agetV1V8V6Iainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV1V11V6Iainfix &lt;V11V8Aainfix &lt;=V4V11FAainfix &lt;V8V0Aainfix &lt;=V4V8FIainfix =V7ainfix +V4c1FLagetV1V4Iainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V12V12Iainfix &lt;V12V3Aainfix &lt;=agetV1V4V12FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -359,7 +359,7 @@
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
       expl="17. loop invariant init"
-      sum="c90288fa8e86ed19996a4996869ff9c5"
+      sum="42cdb3c9703bd7c1d4133934f7ba9c24"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix =agetV5V11V8Iainfix &lt;V11V10Aainfix &lt;=agetV1V8V11FIainfix &lt;=V10V9LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8Lainfix -V6c1INainfix =agetV1V8V6Iainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV1V12V6Iainfix &lt;V12V8Aainfix &lt;=V4V12FAainfix &lt;V8V0Aainfix &lt;=V4V8FIainfix =V7ainfix +V4c1FLagetV1V4Iainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V13V13Iainfix &lt;V13V3Aainfix &lt;=agetV1V4V13FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -379,7 +379,7 @@
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
       expl="18. type invariant"
-      sum="f6dabd45c32a5abac112723d31cecc81"
+      sum="11f33c2895aa4b770128c836c9e0f9aa"
       proved="true"
       expanded="false"
       shape="type invariantainfix &lt;=c0V3Iainfix =agetV11V13V8Iainfix &lt;V13V12Aainfix &lt;=agetV1V8V13FAainfix =agetV11V14agetV5V14Iainfix &lt;V14V3Aainfix &lt;=V6V14FIainfix &lt;=V12V9Aainfix &lt;=V10V12FFIainfix &lt;=V10V9LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8Lainfix -V6c1INainfix =agetV1V8V6Iainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV1V15V6Iainfix &lt;V15V8Aainfix &lt;=V4V15FAainfix &lt;V8V0Aainfix &lt;=V4V8FIainfix =V7ainfix +V4c1FLagetV1V4Iainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V16V16Iainfix &lt;V16V3Aainfix &lt;=agetV1V4V16FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -398,11 +398,11 @@
       name="WP_parameter conjugate.19"
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
-      expl="19. precondition"
-      sum="9c96e0a18d41e41a04cce05a5550bafe"
+      expl="19. index in array bounds"
+      sum="99662ffd0915aa0179306e7669f38167"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;V12V3Aainfix &lt;=c0V12Iainfix &lt;=c0V3Iainfix =agetV11V13V8Iainfix &lt;V13V12Aainfix &lt;=agetV1V8V13FAainfix =agetV11V14agetV5V14Iainfix &lt;V14V3Aainfix &lt;=V6V14FIainfix &lt;=V12V9Aainfix &lt;=V10V12FFIainfix &lt;=V10V9LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8Lainfix -V6c1INainfix =agetV1V8V6Iainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV1V15V6Iainfix &lt;V15V8Aainfix &lt;=V4V15FAainfix &lt;V8V0Aainfix &lt;=V4V8FIainfix =V7ainfix +V4c1FLagetV1V4Iainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V16V16Iainfix &lt;V16V3Aainfix &lt;=agetV1V4V16FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;V12V3Aainfix &lt;=c0V12Iainfix &lt;=c0V3Iainfix =agetV11V13V8Iainfix &lt;V13V12Aainfix &lt;=agetV1V8V13FAainfix =agetV11V14agetV5V14Iainfix &lt;V14V3Aainfix &lt;=V6V14FIainfix &lt;=V12V9Aainfix &lt;=V10V12FFIainfix &lt;=V10V9LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8Lainfix -V6c1INainfix =agetV1V8V6Iainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV1V15V6Iainfix &lt;V15V8Aainfix &lt;=V4V15FAainfix &lt;V8V0Aainfix &lt;=V4V8FIainfix =V7ainfix +V4c1FLagetV1V4Iainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V16V16Iainfix &lt;V16V3Aainfix &lt;=agetV1V4V16FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for conjugate"/>
       <proof
@@ -411,7 +411,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.01"/>
+       <result status="valid" time="0.03"/>
       </proof>
      </goal>
      <goal
@@ -419,7 +419,7 @@
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
       expl="20. loop invariant preservation"
-      sum="6355a1c63c4e9590dad34e9045a0b5f3"
+      sum="69c25cc1c8d9934789a4b0491e1a1083"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix =agetV13V14agetV5V14Iainfix &lt;V14V3Aainfix &lt;=V6V14FIainfix =V13asetV11V12V8Aainfix &lt;=c0V3FIainfix &lt;V12V3Aainfix &lt;=c0V12Aainfix &lt;=c0V3Iainfix =agetV11V15V8Iainfix &lt;V15V12Aainfix &lt;=agetV1V8V15FAainfix =agetV11V16agetV5V16Iainfix &lt;V16V3Aainfix &lt;=V6V16FIainfix &lt;=V12V9Aainfix &lt;=V10V12FFIainfix &lt;=V10V9LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8Lainfix -V6c1INainfix =agetV1V8V6Iainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV1V17V6Iainfix &lt;V17V8Aainfix &lt;=V4V17FAainfix &lt;V8V0Aainfix &lt;=V4V8FIainfix =V7ainfix +V4c1FLagetV1V4Iainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V18V18Iainfix &lt;V18V3Aainfix &lt;=agetV1V4V18FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -439,7 +439,7 @@
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
       expl="21. loop invariant preservation"
-      sum="47e6894296d43d28ab85f23bb4ec465c"
+      sum="5df44d7d466dcc09d8c3428114a14d58"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix =agetV13V14V8Iainfix &lt;V14ainfix +V12c1Aainfix &lt;=agetV1V8V14FIainfix =V13asetV11V12V8Aainfix &lt;=c0V3FIainfix &lt;V12V3Aainfix &lt;=c0V12Aainfix &lt;=c0V3Iainfix =agetV11V15V8Iainfix &lt;V15V12Aainfix &lt;=agetV1V8V15FAainfix =agetV11V16agetV5V16Iainfix &lt;V16V3Aainfix &lt;=V6V16FIainfix &lt;=V12V9Aainfix &lt;=V10V12FFIainfix &lt;=V10V9LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8Lainfix -V6c1INainfix =agetV1V8V6Iainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV1V17V6Iainfix &lt;V17V8Aainfix &lt;=V4V17FAainfix &lt;V8V0Aainfix &lt;=V4V8FIainfix =V7ainfix +V4c1FLagetV1V4Iainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V18V18Iainfix &lt;V18V3Aainfix &lt;=agetV1V4V18FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -459,7 +459,7 @@
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
       expl="22. loop invariant preservation"
-      sum="cef5265c9851bc3c1f0aee137cb5d3d0"
+      sum="d87089bcc4114b2b30c28577663ef8e5"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV11V12V8Iainfix &lt;V12ainfix +V9c1Aainfix &lt;=agetV1V8V12FAainfix =agetV11V13agetV5V13Iainfix &lt;V13V3Aainfix &lt;=V6V13FFIainfix &lt;=V10V9LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8Lainfix -V6c1INainfix =agetV1V8V6Iainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV1V14V6Iainfix &lt;V14V8Aainfix &lt;=V4V14FAainfix &lt;V8V0Aainfix &lt;=V4V8FIainfix =V7ainfix +V4c1FLagetV1V4Iainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V15V15Iainfix &lt;V15V3Aainfix &lt;=agetV1V4V15FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -479,7 +479,7 @@
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
       expl="23. loop invariant preservation"
-      sum="9f16df8857c251609d331a2880aa6f8d"
+      sum="8b455453ada3e43c6941ea1f23a2e247"
       proved="true"
       expanded="false"
       shape="loop invariant preservationanumofgtV2agetV11V12V12Iainfix &lt;V12V3Aainfix &lt;=agetV1V8V12FIainfix =agetV11V13V8Iainfix &lt;V13ainfix +V9c1Aainfix &lt;=agetV1V8V13FAainfix =agetV11V14agetV5V14Iainfix &lt;V14V3Aainfix &lt;=V6V14FFIainfix &lt;=V10V9LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8Lainfix -V6c1INainfix =agetV1V8V6Iainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV1V15V6Iainfix &lt;V15V8Aainfix &lt;=V4V15FAainfix &lt;V8V0Aainfix &lt;=V4V8FIainfix =V7ainfix +V4c1FLagetV1V4Iainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V16V16Iainfix &lt;V16V3Aainfix &lt;=agetV1V4V16FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -499,7 +499,7 @@
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
       expl="24. loop variant decrease"
-      sum="fb3724fb4e412254f81ae02ce97fc679"
+      sum="0c566d306e7c05b8ca8a77eba55ea9a5"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix &lt;ainfix -V0V8ainfix -V0V4Aainfix &lt;=c0ainfix -V0V4Iainfix =agetV11V12V8Iainfix &lt;V12ainfix +V9c1Aainfix &lt;=agetV1V8V12FAainfix =agetV11V13agetV5V13Iainfix &lt;V13V3Aainfix &lt;=V6V13FFIainfix &lt;=V10V9LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8Lainfix -V6c1INainfix =agetV1V8V6Iainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =agetV1V14V6Iainfix &lt;V14V8Aainfix &lt;=V4V14FAainfix &lt;V8V0Aainfix &lt;=V4V8FIainfix =V7ainfix +V4c1FLagetV1V4Iainfix &lt;V4V0Aainfix &lt;=c0V4INainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V15V15Iainfix &lt;V15V3Aainfix &lt;=agetV1V4V15FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -519,7 +519,7 @@
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
       expl="25. assertion"
-      sum="e119ef95d6eb1130a7fa792cc171e130"
+      sum="af0f448e5d4baa3bccbb55d8eb0cbb8e"
       proved="true"
       expanded="false"
       shape="assertionainfix =agetV1V4c0INNainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V6V6Iainfix &lt;V6V3Aainfix &lt;=agetV1V4V6FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -539,7 +539,7 @@
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
       expl="26. type invariant"
-      sum="87637860c48ef4aca21059abdaa8b247"
+      sum="fb6f1dba6b627e3c87fe8f2116fe960c"
       proved="true"
       expanded="false"
       shape="type invariantainfix &lt;=c0V3Iainfix =agetV1V4c0INNainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V6V6Iainfix &lt;V6V3Aainfix &lt;=agetV1V4V6FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -559,7 +559,7 @@
       locfile="../conjugate.mlw"
       loclnum="66" loccnumb="6" loccnume="15"
       expl="27. postcondition"
-      sum="af1bd93d0199dd6bdf4a0aaf5f9a266e"
+      sum="0c72feb303be707b5b83b2a3918160ee"
       proved="true"
       expanded="false"
       shape="postconditionais_conjugateV2amk arrayV3V5Iainfix &lt;=c0V3Iainfix =agetV1V4c0INNainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4IanumofgtV2agetV5V6V6Iainfix &lt;V6V3Aainfix &lt;=agetV1V4V6FAainfix &lt;V4V0Aainfix &lt;=c0V4FIainfix &lt;=c0V3Iainfix &gt;=V3c0Lainfix +agetV1c0c1Iainfix &lt;c0V0Aainfix &lt;=c0c0Iais_partitionV2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -588,7 +588,7 @@
     locfile="../conjugate.mlw"
     loclnum="103" loccnumb="6" loccnume="10"
     expl="VC for test"
-    sum="665f9a4943ccc29adf486e0e9ed5bc97"
+    sum="c38d5ce2a1477e1c9b087d35b5cb4dad"
     proved="true"
     expanded="true"
     shape="ainfix &gt;=V5c4Iais_conjugateV4amk arrayV5V6Aainfix &lt;=c0V5FAais_partitionV4Iainfix =V3asetV2c3c1Aainfix &lt;=c0c5Lamk arrayc5V3FAainfix &lt;c3c5Aainfix &lt;=c0c3Iainfix =V2asetV1c2c2Aainfix &lt;=c0c5FAainfix &lt;c2c5Aainfix &lt;=c0c2Iainfix =V1asetV0c1c2Aainfix &lt;=c0c5FAainfix &lt;c1c5Aainfix &lt;=c0c1Iainfix =V0asetaconstc0c0c3Aainfix &lt;=c0c5FAainfix &lt;c0c5Aainfix &lt;=c0c0Iainfix &lt;=c0c5Aainfix &gt;=c5c0">
@@ -608,7 +608,7 @@
     locfile="../conjugate.mlw"
     loclnum="110" loccnumb="6" loccnume="11"
     expl="VC for bench"
-    sum="4c2eba7f46986aa7a9490c44fd18d46a"
+    sum="2b8c879ca55a278c962440a38492491a"
     proved="true"
     expanded="true"
     shape="ainfix &lt;c3V0Aainfix &lt;=c0c3Iainfix =agetV1c2c1Aainfix &lt;c2V0Aainfix &lt;=c0c2Iainfix =agetV1c1c3Aainfix &lt;c1V0Aainfix &lt;=c0c1Iainfix =agetV1c0c4Aainfix &lt;c0V0Aainfix &lt;=c0c0Iainfix &gt;=V0c4Aainfix &lt;=c0V0F">
diff --git a/examples/decrease1/why3session.xml b/examples/decrease1/why3session.xml
index e7947c28d5c47fee8509206d27cee0623dd2c952..b0949c8b7daf196db4ff4709120e69572126f575 100644
--- a/examples/decrease1/why3session.xml
+++ b/examples/decrease1/why3session.xml
@@ -47,7 +47,7 @@
     name="decrease1_induction"
     locfile="../decrease1.mlw"
     loclnum="17" loccnumb="8" loccnume="27"
-    sum="274102e8bb58aeb99d9f9e45aa7882cf"
+    sum="459ba72bf3659f58e02025676756387f"
     proved="true"
     expanded="true"
     shape="ainfix &gt;=amixfix []V0V2ainfix -ainfix +amixfix []V0V1V1V2Iainfix &lt;V2alengthV0Aainfix &lt;=V1V2Aainfix &lt;=c0V1FIadecrease1V0F">
@@ -66,7 +66,7 @@
     locfile="../decrease1.mlw"
     loclnum="23" loccnumb="6" loccnume="12"
     expl="VC for search"
-    sum="d985d523fcbd66a1ee7e526dc975b55f"
+    sum="f7be780d3f65572f09710dbd91ccde8c"
     proved="true"
     expanded="true"
     shape="iNainfix =agetV1V4c0Iainfix &lt;V4V3Aainfix &lt;=c0V4FAainfix =agetV1V3c0Aainfix &lt;V3V0Aainfix &lt;=c0V3ONainfix =agetV1V5c0Iainfix &lt;V5V0Aainfix &lt;=c0V5FAainfix =V3aprefix -c1Laprefix -c1iiainfix &lt;ainfix -V0V6ainfix -V0V2Aainfix &lt;=c0ainfix -V0V2ANainfix =agetV1V7c0Iainfix &lt;V7V0Iainfix &lt;V7V6Aainfix &lt;=c0V7FAainfix &lt;=c0V6Iainfix =V6ainfix +V2c1Fainfix &lt;ainfix -V0V8ainfix -V0V2Aainfix &lt;=c0ainfix -V0V2ANainfix =agetV1V9c0Iainfix &lt;V9V0Iainfix &lt;V9V8Aainfix &lt;=c0V9FAainfix &lt;=c0V8Iainfix =V8ainfix +V2agetV1V2FAainfix &lt;V2V0Aainfix &lt;=c0V2ainfix &gt;agetV1V2c0Aainfix &lt;V2V0Aainfix &lt;=c0V2Nainfix =agetV1V10c0Iainfix &lt;V10V2Aainfix &lt;=c0V10FAainfix =agetV1V2c0Aainfix &lt;V2V0Aainfix &lt;=c0V2ONainfix =agetV1V11c0Iainfix &lt;V11V0Aainfix &lt;=c0V11FAainfix =V2aprefix -c1ainfix =agetV1V2c0Aainfix &lt;V2V0Aainfix &lt;=c0V2ainfix &lt;V2V0INainfix =agetV1V12c0Iainfix &lt;V12V0Iainfix &lt;V12V2Aainfix &lt;=c0V12FAainfix &lt;=c0V2FANainfix =agetV1V13c0Iainfix &lt;V13V0Iainfix &lt;V13c0Aainfix &lt;=c0V13FAainfix &lt;=c0c0Iadecrease1amk arrayV0V1Aainfix &lt;=c0V0F">
@@ -81,7 +81,7 @@
       locfile="../decrease1.mlw"
       loclnum="23" loccnumb="6" loccnume="12"
       expl="1. loop invariant init"
-      sum="8bab3234524833f0453d36498f8da677"
+      sum="612f1b5434bd72bf4805880e455e8554"
       proved="true"
       expanded="true"
       shape="loop invariant initainfix &lt;=c0c0Iadecrease1amk arrayV0V1Aainfix &lt;=c0V0F">
@@ -125,7 +125,7 @@
       locfile="../decrease1.mlw"
       loclnum="23" loccnumb="6" loccnume="12"
       expl="2. loop invariant init"
-      sum="7381bc35c201179c9434cc584c9abea6"
+      sum="c8f7c58ddedfa52aa10c2b51f4721259"
       proved="true"
       expanded="true"
       shape="loop invariant initNainfix =agetV1V2c0Iainfix &lt;V2V0Iainfix &lt;V2c0Aainfix &lt;=c0V2FIadecrease1amk arrayV0V1Aainfix &lt;=c0V0F">
@@ -184,11 +184,11 @@
       name="WP_parameter search.3"
       locfile="../decrease1.mlw"
       loclnum="23" loccnumb="6" loccnume="12"
-      expl="3. precondition"
-      sum="c772310d66b3a095ea579484b458c462"
+      expl="3. index in array bounds"
+      sum="8a4143d7749f9d2dd2fe16dc04ad774c"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0INainfix =agetV1V3c0Iainfix &lt;V3V0Iainfix &lt;V3V2Aainfix &lt;=c0V3FAainfix &lt;=c0V2FIadecrease1amk arrayV0V1Aainfix &lt;=c0V0F">
+      shape="index in array boundsainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0INainfix =agetV1V3c0Iainfix &lt;V3V0Iainfix &lt;V3V2Aainfix &lt;=c0V3FAainfix &lt;=c0V2FIadecrease1amk arrayV0V1Aainfix &lt;=c0V0F">
       <label
        name="expl:VC for search"/>
       <proof
@@ -245,7 +245,7 @@
       locfile="../decrease1.mlw"
       loclnum="23" loccnumb="6" loccnume="12"
       expl="4. postcondition"
-      sum="44a5a3d91a4cec98e6c0c9fd4ab34d00"
+      sum="884e8f44b12841b2f572c36b45ad363e"
       proved="true"
       expanded="true"
       shape="postconditionNainfix =agetV1V3c0Iainfix &lt;V3V2Aainfix &lt;=c0V3FAainfix =agetV1V2c0Aainfix &lt;V2V0Aainfix &lt;=c0V2ONainfix =agetV1V4c0Iainfix &lt;V4V0Aainfix &lt;=c0V4FAainfix =V2aprefix -c1Iainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0INainfix =agetV1V5c0Iainfix &lt;V5V0Iainfix &lt;V5V2Aainfix &lt;=c0V5FAainfix &lt;=c0V2FIadecrease1amk arrayV0V1Aainfix &lt;=c0V0F">
@@ -304,11 +304,11 @@
       name="WP_parameter search.5"
       locfile="../decrease1.mlw"
       loclnum="23" loccnumb="6" loccnume="12"
-      expl="5. precondition"
-      sum="953b4bc6b6bd4590a13007821b20445a"
+      expl="5. index in array bounds"
+      sum="653a129088ceecc516ab6f78c9833462"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0INainfix =agetV1V3c0Iainfix &lt;V3V0Iainfix &lt;V3V2Aainfix &lt;=c0V3FAainfix &lt;=c0V2FIadecrease1amk arrayV0V1Aainfix &lt;=c0V0F">
+      shape="index in array boundsainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0INainfix =agetV1V3c0Iainfix &lt;V3V0Iainfix &lt;V3V2Aainfix &lt;=c0V3FAainfix &lt;=c0V2FIadecrease1amk arrayV0V1Aainfix &lt;=c0V0F">
       <label
        name="expl:VC for search"/>
       <proof
@@ -364,11 +364,11 @@
       name="WP_parameter search.6"
       locfile="../decrease1.mlw"
       loclnum="23" loccnumb="6" loccnume="12"
-      expl="6. precondition"
-      sum="693c8e7722764eb800f1f8be22eb9af9"
+      expl="6. index in array bounds"
+      sum="a29b22f34c7ab15119514218675a1d4d"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &gt;agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0INainfix =agetV1V3c0Iainfix &lt;V3V0Iainfix &lt;V3V2Aainfix &lt;=c0V3FAainfix &lt;=c0V2FIadecrease1amk arrayV0V1Aainfix &lt;=c0V0F">
+      shape="index in array boundsainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &gt;agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0INainfix =agetV1V3c0Iainfix &lt;V3V0Iainfix &lt;V3V2Aainfix &lt;=c0V3FAainfix &lt;=c0V2FIadecrease1amk arrayV0V1Aainfix &lt;=c0V0F">
       <label
        name="expl:VC for search"/>
       <proof
@@ -425,7 +425,7 @@
       locfile="../decrease1.mlw"
       loclnum="23" loccnumb="6" loccnume="12"
       expl="7. loop invariant preservation"
-      sum="a128a0815ea6c9c03f1b5c3776769e2d"
+      sum="de652690aaf9c3c8b33a115e389465b2"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainfix &lt;=c0V3Iainfix =V3ainfix +V2agetV1V2FIainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &gt;agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0INainfix =agetV1V4c0Iainfix &lt;V4V0Iainfix &lt;V4V2Aainfix &lt;=c0V4FAainfix &lt;=c0V2FIadecrease1amk arrayV0V1Aainfix &lt;=c0V0F">
@@ -469,7 +469,7 @@
       locfile="../decrease1.mlw"
       loclnum="23" loccnumb="6" loccnume="12"
       expl="8. loop invariant preservation"
-      sum="99be841da51729f612f431477b9120d3"
+      sum="faf8bbcbece44bdb5e52e8f10b04cb44"
       proved="true"
       expanded="true"
       shape="loop invariant preservationNainfix =agetV1V4c0Iainfix &lt;V4V0Iainfix &lt;V4V3Aainfix &lt;=c0V4FIainfix =V3ainfix +V2agetV1V2FIainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &gt;agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0INainfix =agetV1V5c0Iainfix &lt;V5V0Iainfix &lt;V5V2Aainfix &lt;=c0V5FAainfix &lt;=c0V2FIadecrease1amk arrayV0V1Aainfix &lt;=c0V0F">
@@ -505,7 +505,7 @@
       locfile="../decrease1.mlw"
       loclnum="23" loccnumb="6" loccnume="12"
       expl="9. loop variant decrease"
-      sum="b572823b417e83a4e57845239b841aed"
+      sum="9b249e8d9ed4e541967231800d5c921f"
       proved="true"
       expanded="true"
       shape="loop variant decreaseainfix &lt;ainfix -V0V3ainfix -V0V2Aainfix &lt;=c0ainfix -V0V2Iainfix =V3ainfix +V2agetV1V2FIainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &gt;agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0INainfix =agetV1V4c0Iainfix &lt;V4V0Iainfix &lt;V4V2Aainfix &lt;=c0V4FAainfix &lt;=c0V2FIadecrease1amk arrayV0V1Aainfix &lt;=c0V0F">
@@ -565,7 +565,7 @@
       locfile="../decrease1.mlw"
       loclnum="23" loccnumb="6" loccnume="12"
       expl="10. loop invariant preservation"
-      sum="cc7b2c53d485c769f2086813884b53b0"
+      sum="c37d2da43fd5c56dfacbf83a07b7a1eb"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainfix &lt;=c0V3Iainfix =V3ainfix +V2c1FINainfix &gt;agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0INainfix =agetV1V4c0Iainfix &lt;V4V0Iainfix &lt;V4V2Aainfix &lt;=c0V4FAainfix &lt;=c0V2FIadecrease1amk arrayV0V1Aainfix &lt;=c0V0F">
@@ -609,7 +609,7 @@
       locfile="../decrease1.mlw"
       loclnum="23" loccnumb="6" loccnume="12"
       expl="11. loop invariant preservation"
-      sum="6720b470c6a4264b81f0b12fe88976e8"
+      sum="5b98bbd0ba7d56dc35c8f0ae435d6d19"
       proved="true"
       expanded="true"
       shape="loop invariant preservationNainfix =agetV1V4c0Iainfix &lt;V4V0Iainfix &lt;V4V3Aainfix &lt;=c0V4FIainfix =V3ainfix +V2c1FINainfix &gt;agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0INainfix =agetV1V5c0Iainfix &lt;V5V0Iainfix &lt;V5V2Aainfix &lt;=c0V5FAainfix &lt;=c0V2FIadecrease1amk arrayV0V1Aainfix &lt;=c0V0F">
@@ -653,7 +653,7 @@
       locfile="../decrease1.mlw"
       loclnum="23" loccnumb="6" loccnume="12"
       expl="12. loop variant decrease"
-      sum="2cc3d9117c50f384d56ae00cfb79a6e5"
+      sum="b1bcede0bf23516c0942ca4cb35f41c3"
       proved="true"
       expanded="true"
       shape="loop variant decreaseainfix &lt;ainfix -V0V3ainfix -V0V2Aainfix &lt;=c0ainfix -V0V2Iainfix =V3ainfix +V2c1FINainfix &gt;agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0INainfix =agetV1V4c0Iainfix &lt;V4V0Iainfix &lt;V4V2Aainfix &lt;=c0V4FAainfix &lt;=c0V2FIadecrease1amk arrayV0V1Aainfix &lt;=c0V0F">
@@ -713,7 +713,7 @@
       locfile="../decrease1.mlw"
       loclnum="23" loccnumb="6" loccnume="12"
       expl="13. postcondition"
-      sum="f30f4d74c833c561cf1990390ed9dbdc"
+      sum="7a44488495f2ef8a357c9b8b7e592ba3"
       proved="true"
       expanded="true"
       shape="postconditionNainfix =agetV1V4c0Iainfix &lt;V4V3Aainfix &lt;=c0V4FAainfix =agetV1V3c0Aainfix &lt;V3V0Aainfix &lt;=c0V3ONainfix =agetV1V5c0Iainfix &lt;V5V0Aainfix &lt;=c0V5FAainfix =V3aprefix -c1Laprefix -c1INainfix &lt;V2V0INainfix =agetV1V6c0Iainfix &lt;V6V0Iainfix &lt;V6V2Aainfix &lt;=c0V6FAainfix &lt;=c0V2FIadecrease1amk arrayV0V1Aainfix &lt;=c0V0F">
@@ -775,7 +775,7 @@
     locfile="../decrease1.mlw"
     loclnum="43" loccnumb="10" loccnume="20"
     expl="VC for search_rec"
-    sum="ad97f613a7c2d553262d772436d41a58"
+    sum="1471d4e48ad8da58cf580cb200e830f9"
     proved="true"
     expanded="true"
     shape="iNainfix =agetV1V5c0Iainfix &lt;V5V4Aainfix &lt;=V2V5FAainfix =agetV1V4c0Aainfix &lt;V4V0Aainfix &lt;=V2V4ONainfix =agetV1V6c0Iainfix &lt;V6V0Aainfix &lt;=V2V6FAainfix =V4aprefix -c1Laprefix -c1iiNainfix =agetV1V9c0Iainfix &lt;V9V8Aainfix &lt;=V2V9FAainfix =agetV1V8c0Aainfix &lt;V8V0Aainfix &lt;=V2V8ONainfix =agetV1V10c0Iainfix &lt;V10V0Aainfix &lt;=V2V10FAainfix =V8aprefix -c1INainfix =agetV1V11c0Iainfix &lt;V11V8Aainfix &lt;=V7V11FAainfix =agetV1V8c0Aainfix &lt;V8V0Aainfix &lt;=V7V8ONainfix =agetV1V12c0Iainfix &lt;V12V0Aainfix &lt;=V7V12FAainfix =V8aprefix -c1FAainfix &lt;=c0V7Aadecrease1V3Aainfix &lt;ainfix -V0V7ainfix -V0V2Aainfix &lt;=c0ainfix -V0V2Lainfix +V2c1Nainfix =agetV1V15c0Iainfix &lt;V15V14Aainfix &lt;=V2V15FAainfix =agetV1V14c0Aainfix &lt;V14V0Aainfix &lt;=V2V14ONainfix =agetV1V16c0Iainfix &lt;V16V0Aainfix &lt;=V2V16FAainfix =V14aprefix -c1INainfix =agetV1V17c0Iainfix &lt;V17V14Aainfix &lt;=V13V17FAainfix =agetV1V14c0Aainfix &lt;V14V0Aainfix &lt;=V13V14ONainfix =agetV1V18c0Iainfix &lt;V18V0Aainfix &lt;=V13V18FAainfix =V14aprefix -c1FAainfix &lt;=c0V13Aadecrease1V3Aainfix &lt;ainfix -V0V13ainfix -V0V2Aainfix &lt;=c0ainfix -V0V2Lainfix +V2agetV1V2Aainfix &lt;V2V0Aainfix &lt;=c0V2ainfix &gt;agetV1V2c0Aainfix &lt;V2V0Aainfix &lt;=c0V2Nainfix =agetV1V19c0Iainfix &lt;V19V2Aainfix &lt;=V2V19FAainfix =agetV1V2c0Aainfix &lt;V2V0Aainfix &lt;=V2V2ONainfix =agetV1V20c0Iainfix &lt;V20V0Aainfix &lt;=V2V20FAainfix =V2aprefix -c1ainfix =agetV1V2c0Aainfix &lt;V2V0Aainfix &lt;=c0V2ainfix &lt;V2V0Iainfix &lt;=c0V2Aadecrease1V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -789,11 +789,11 @@
       name="WP_parameter search_rec.1"
       locfile="../decrease1.mlw"
       loclnum="43" loccnumb="10" loccnume="20"
-      expl="1. precondition"
-      sum="2861bbb30bb355e64c19b4bbd6d70f54"
+      expl="1. index in array bounds"
+      sum="86d3bcbfad4acd3a6e7c26efff208491"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0Iainfix &lt;=c0V2Aadecrease1V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0Iainfix &lt;=c0V2Aadecrease1V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for search_rec"/>
       <proof
@@ -850,7 +850,7 @@
       locfile="../decrease1.mlw"
       loclnum="43" loccnumb="10" loccnume="20"
       expl="2. postcondition"
-      sum="cf5c0bd24e173bc3964a5d872fbc327a"
+      sum="dd60b69ba2ca3e5b45a90805d208fc3f"
       proved="true"
       expanded="true"
       shape="postconditionNainfix =agetV1V4c0Iainfix &lt;V4V2Aainfix &lt;=V2V4FAainfix =agetV1V2c0Aainfix &lt;V2V0Aainfix &lt;=V2V2ONainfix =agetV1V5c0Iainfix &lt;V5V0Aainfix &lt;=V2V5FAainfix =V2aprefix -c1Iainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0Iainfix &lt;=c0V2Aadecrease1V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -909,11 +909,11 @@
       name="WP_parameter search_rec.3"
       locfile="../decrease1.mlw"
       loclnum="43" loccnumb="10" loccnume="20"
-      expl="3. precondition"
-      sum="893c680ce13696bab2990592b6a4b7ad"
+      expl="3. index in array bounds"
+      sum="0761fe5ee1a172a6329c3f7b8a23b0a8"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0Iainfix &lt;=c0V2Aadecrease1V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0Iainfix &lt;=c0V2Aadecrease1V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for search_rec"/>
       <proof
@@ -922,7 +922,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.00"/>
+       <result status="valid" time="0.01"/>
       </proof>
       <proof
        prover="1"
@@ -938,7 +938,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.00"/>
+       <result status="valid" time="0.01"/>
       </proof>
       <proof
        prover="5"
@@ -969,11 +969,11 @@
       name="WP_parameter search_rec.4"
       locfile="../decrease1.mlw"
       loclnum="43" loccnumb="10" loccnume="20"
-      expl="4. precondition"
-      sum="309f46ddf8158434ad882400a77e1168"
+      expl="4. index in array bounds"
+      sum="b45e8534c82dfdccc677a1ff0f0c69a5"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &gt;agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0Iainfix &lt;=c0V2Aadecrease1V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &gt;agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0Iainfix &lt;=c0V2Aadecrease1V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for search_rec"/>
       <proof
@@ -982,7 +982,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.01"/>
+       <result status="valid" time="0.00"/>
       </proof>
       <proof
        prover="1"
@@ -998,7 +998,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.01"/>
+       <result status="valid" time="0.00"/>
       </proof>
       <proof
        prover="5"
@@ -1030,7 +1030,7 @@
       locfile="../decrease1.mlw"
       loclnum="43" loccnumb="10" loccnume="20"
       expl="5. variant decrease"
-      sum="b5131befd85b22706515bd0d2689a059"
+      sum="acdd551cacc39deda21af09540deb202"
       proved="true"
       expanded="false"
       shape="variant decreaseainfix &lt;ainfix -V0V4ainfix -V0V2Aainfix &lt;=c0ainfix -V0V2Lainfix +V2agetV1V2Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &gt;agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0Iainfix &lt;=c0V2Aadecrease1V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -1050,7 +1050,7 @@
       locfile="../decrease1.mlw"
       loclnum="43" loccnumb="10" loccnume="20"
       expl="6. precondition"
-      sum="49cb200e3d38d866eede7c04a237013e"
+      sum="a49d4deba56e50ca672244f645ec3cd5"
       proved="true"
       expanded="true"
       shape="preconditionainfix &lt;=c0V4Aadecrease1V3Lainfix +V2agetV1V2Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &gt;agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0Iainfix &lt;=c0V2Aadecrease1V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -1110,7 +1110,7 @@
       locfile="../decrease1.mlw"
       loclnum="43" loccnumb="10" loccnume="20"
       expl="7. postcondition"
-      sum="8ccca0adf6640e7a56856af8755eb27d"
+      sum="b3d42bbcf96028b267eef724c11d28dd"
       proved="true"
       expanded="true"
       shape="postconditionNainfix =agetV1V6c0Iainfix &lt;V6V5Aainfix &lt;=V2V6FAainfix =agetV1V5c0Aainfix &lt;V5V0Aainfix &lt;=V2V5ONainfix =agetV1V7c0Iainfix &lt;V7V0Aainfix &lt;=V2V7FAainfix =V5aprefix -c1INainfix =agetV1V8c0Iainfix &lt;V8V5Aainfix &lt;=V4V8FAainfix =agetV1V5c0Aainfix &lt;V5V0Aainfix &lt;=V4V5ONainfix =agetV1V9c0Iainfix &lt;V9V0Aainfix &lt;=V4V9FAainfix =V5aprefix -c1FIainfix &lt;=c0V4Aadecrease1V3Lainfix +V2agetV1V2Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &gt;agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0Iainfix &lt;=c0V2Aadecrease1V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -1138,7 +1138,7 @@
       locfile="../decrease1.mlw"
       loclnum="43" loccnumb="10" loccnume="20"
       expl="8. variant decrease"
-      sum="284631f46e41cb304e4fcd1c1cc7ae95"
+      sum="455954821db1ae85815da492be72f369"
       proved="true"
       expanded="false"
       shape="variant decreaseainfix &lt;ainfix -V0V4ainfix -V0V2Aainfix &lt;=c0ainfix -V0V2Lainfix +V2c1INainfix &gt;agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0Iainfix &lt;=c0V2Aadecrease1V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -1158,7 +1158,7 @@
       locfile="../decrease1.mlw"
       loclnum="43" loccnumb="10" loccnume="20"
       expl="9. precondition"
-      sum="1a8d0b567aa4c9e7efaca8e11d30a666"
+      sum="4134912c0ad3ad03a5404a4b61ab6918"
       proved="true"
       expanded="true"
       shape="preconditionainfix &lt;=c0V4Aadecrease1V3Lainfix +V2c1INainfix &gt;agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0Iainfix &lt;=c0V2Aadecrease1V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -1218,7 +1218,7 @@
       locfile="../decrease1.mlw"
       loclnum="43" loccnumb="10" loccnume="20"
       expl="10. postcondition"
-      sum="18732f65b93109ce7b7b5d7b597c1a90"
+      sum="5d9bdff2309eff0e7e49fed477102fec"
       proved="true"
       expanded="true"
       shape="postconditionNainfix =agetV1V6c0Iainfix &lt;V6V5Aainfix &lt;=V2V6FAainfix =agetV1V5c0Aainfix &lt;V5V0Aainfix &lt;=V2V5ONainfix =agetV1V7c0Iainfix &lt;V7V0Aainfix &lt;=V2V7FAainfix =V5aprefix -c1INainfix =agetV1V8c0Iainfix &lt;V8V5Aainfix &lt;=V4V8FAainfix =agetV1V5c0Aainfix &lt;V5V0Aainfix &lt;=V4V5ONainfix =agetV1V9c0Iainfix &lt;V9V0Aainfix &lt;=V4V9FAainfix =V5aprefix -c1FIainfix &lt;=c0V4Aadecrease1V3Lainfix +V2c1INainfix &gt;agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =agetV1V2c0Iainfix &lt;V2V0Aainfix &lt;=c0V2Iainfix &lt;V2V0Iainfix &lt;=c0V2Aadecrease1V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -1262,7 +1262,7 @@
       locfile="../decrease1.mlw"
       loclnum="43" loccnumb="10" loccnume="20"
       expl="11. postcondition"
-      sum="33bcb0b94113c30d6858c47de53395c9"
+      sum="a650bc7ae63562c25b0e48750a1f8c9c"
       proved="true"
       expanded="true"
       shape="postconditionNainfix =agetV1V5c0Iainfix &lt;V5V4Aainfix &lt;=V2V5FAainfix =agetV1V4c0Aainfix &lt;V4V0Aainfix &lt;=V2V4ONainfix =agetV1V6c0Iainfix &lt;V6V0Aainfix &lt;=V2V6FAainfix =V4aprefix -c1Laprefix -c1INainfix &lt;V2V0Iainfix &lt;=c0V2Aadecrease1V3Aainfix &lt;=c0V0Lamk arrayV0V1F">
diff --git a/examples/dfa_example/why3session.xml b/examples/dfa_example/why3session.xml
index a8071418b52d4806b91e3074f6d381c55a484853..67e5f7da649db3f0c8f9b5574155890e38872b75 100644
--- a/examples/dfa_example/why3session.xml
+++ b/examples/dfa_example/why3session.xml
@@ -43,7 +43,7 @@
     name="nil_notin_r1"
     locfile="../dfa_example.mlw"
     loclnum="37" loccnumb="8" loccnume="20"
-    sum="10cfa3fac5df36de8dc16910cace7517"
+    sum="dd56d5342827daa54d58b09e0270bbf7"
     proved="true"
     expanded="false"
     shape="NamemaNilar1">
@@ -78,7 +78,7 @@
     locfile="../dfa_example.mlw"
     loclnum="39" loccnumb="16" loccnume="25"
     expl="VC for all_in_r0"
-    sum="2340c833a1dcb6287ba12a228086d1dc"
+    sum="621336521d05a830ee5e796f1ed94651"
     proved="true"
     expanded="false"
     shape="CamemV0aStaraAltaCharaZeroaCharaOneaNilamemV0aStaraAltaCharaZeroaCharaOneIamemV2aStaraAltaCharaZeroaCharaOneACfaNilainfix =V3V2aConswVV0Aainfix =V0ainfix ++aConsV1aNilV2aConsVVV0F">
@@ -99,7 +99,7 @@
     name="ends_with_one"
     locfile="../dfa_example.mlw"
     loclnum="49" loccnumb="8" loccnume="21"
-    sum="3bc915669deba61fbbaf569be8db6211"
+    sum="9e83c49717b4ddbcbcca0de6e3880d60"
     proved="true"
     expanded="false"
     shape="ainfix =V0ainfix ++V1aConsaOneaNilEqamemV0ar1F">
@@ -112,7 +112,7 @@
       locfile="../dfa_example.mlw"
       loclnum="49" loccnumb="8" loccnume="21"
       expl="1."
-      sum="8ae185aebb47846b4534e4120fcf202d"
+      sum="bf6ba29cb8e959cae131e6468fb0507e"
       proved="true"
       expanded="false"
       shape="ainfix =V0ainfix ++V1aConsaOneaNilEIamemV0ar1F">
@@ -146,7 +146,7 @@
       locfile="../dfa_example.mlw"
       loclnum="49" loccnumb="8" loccnume="21"
       expl="2."
-      sum="3f65ba5570c8e1018548d4e58d0a11ce"
+      sum="e1f305f8b54f4eb5012fc544f5024fec"
       proved="true"
       expanded="false"
       shape="amemV0ar1Iainfix =V0ainfix ++V1aConsaOneaNilEF">
@@ -189,7 +189,7 @@
     name="zero_w_in_r1"
     locfile="../dfa_example.mlw"
     loclnum="53" loccnumb="8" loccnume="20"
-    sum="edb14e295e700b2d4e7e327d0481a042"
+    sum="f96e3f385efd9647117d69842f0b3401"
     proved="true"
     expanded="false"
     shape="amemaConsaZeroV0ar1qamemV0ar1F">
@@ -206,7 +206,7 @@
     name="one_w_in_r1"
     locfile="../dfa_example.mlw"
     loclnum="54" loccnumb="8" loccnume="19"
-    sum="8f8880b17eb7fab658c20bd9562cf519"
+    sum="321596b8773ef66a028c3ffc7fe42fc7"
     proved="true"
     expanded="false"
     shape="amemaConsaOneV0ar1qamemV0ar2F">
@@ -216,14 +216,14 @@
      memlimit="4000"
      obsolete="false"
      archived="false">
-     <result status="valid" time="0.39"/>
+     <result status="valid" time="0.23"/>
     </proof>
    </goal>
    <goal
     name="zero_w_in_r2"
     locfile="../dfa_example.mlw"
     loclnum="56" loccnumb="8" loccnume="20"
-    sum="23501a04f1a1221cfdef3c01c1f5ceb5"
+    sum="bb64a7235f8d565a5d9f9a06908c4c4c"
     proved="true"
     expanded="false"
     shape="amemaConsaZeroV0ar2qamemV0ar1F">
@@ -248,7 +248,7 @@
     name="one_w_in_r2"
     locfile="../dfa_example.mlw"
     loclnum="57" loccnumb="8" loccnume="19"
-    sum="157daf7e06693c1da3b89de12810230c"
+    sum="34a392a370cc63d85679c79facc979e2"
     proved="true"
     expanded="false"
     shape="amemaConsaOneV0ar2qamemV0ar2F">
@@ -274,7 +274,7 @@
     locfile="../dfa_example.mlw"
     loclnum="59" loccnumb="10" loccnume="17"
     expl="VC for astate1"
-    sum="0266bd9f1103469f747b6c3eccf2eefa"
+    sum="6cdaa87b3f2bae9b7868832a5bcdb175"
     proved="true"
     expanded="false"
     shape="CNamemV0aConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V1aNilaNoneamemV0aConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V3aNilqainfix =V4aTrueIamemV1aConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V3aNilqainfix =V4aTrueFFAainfix &lt;alengthV1alengthV0Aainfix &lt;=c0alengthV0aSomeaZeroamemV0aConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V5aNilqainfix =V6aTrueIamemV1aAltaEpsilonaConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V5aNilqainfix =V6aTrueFFAainfix &lt;alengthV1alengthV0Aainfix &lt;=c0alengthV0aSomeaOneV2ICainfix =V2aSomeV7Aainfix =V1V8aConsVVainfix =V2aNoneAainfix =V1aNilAainfix =V0V1aNilV0FFF">
@@ -289,7 +289,7 @@
       locfile="../dfa_example.mlw"
       loclnum="59" loccnumb="10" loccnume="17"
       expl="1. postcondition"
-      sum="fc48650c65c91c82d5525e56ed04e136"
+      sum="36b1161cbca0cdca0e4c08050cd828c9"
       proved="true"
       expanded="false"
       shape="postconditionCNamemV0aConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V1aNilaNonetaSomeaZerotaSomeaOneV2ICainfix =V2aSomeV3Aainfix =V1V4aConsVVainfix =V2aNoneAainfix =V1aNilAainfix =V0V1aNilV0FFF">
@@ -317,7 +317,7 @@
       locfile="../dfa_example.mlw"
       loclnum="59" loccnumb="10" loccnume="17"
       expl="2. variant decrease"
-      sum="4e1c7f6b912318d29496bd6bd17eabec"
+      sum="0ca9dbbebcd85052ee40864447f0a317"
       proved="true"
       expanded="false"
       shape="variant decreaseCtaNoneainfix &lt;alengthV1alengthV0Aainfix &lt;=c0alengthV0aSomeaZerotaSomeaOneV2ICainfix =V2aSomeV3Aainfix =V1V4aConsVVainfix =V2aNoneAainfix =V1aNilAainfix =V0V1aNilV0FFF">
@@ -337,7 +337,7 @@
       locfile="../dfa_example.mlw"
       loclnum="59" loccnumb="10" loccnume="17"
       expl="3. postcondition"
-      sum="18c6aab50ab2146f1cfdf4e4a0e99686"
+      sum="3731003a9f0d42a98fb5965178ea5840"
       proved="true"
       expanded="false"
       shape="postconditionCtaNoneamemV0aConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V3aNilqainfix =V4aTrueIamemV1aConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V3aNilqainfix =V4aTrueFFaSomeaZerotaSomeaOneV2ICainfix =V2aSomeV5Aainfix =V1V6aConsVVainfix =V2aNoneAainfix =V1aNilAainfix =V0V1aNilV0FFF">
@@ -352,7 +352,7 @@
         locfile="../dfa_example.mlw"
         loclnum="59" loccnumb="10" loccnume="17"
         expl="1. postcondition"
-        sum="aa8bac408f2064e5f567128ea7670552"
+        sum="652d59011e0c9d8e4c99b69a130d0dc8"
         proved="true"
         expanded="false"
         shape="postconditionCtaNoneainfix =V3aNilIainfix =V4aTrueIamemV1aConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V3aNilqainfix =V4aTrueFFaSomeaZerotaSomeaOneV2ICainfix =V2aSomeV5Aainfix =V1V6aConsVVainfix =V2aNoneAainfix =V1aNilAainfix =V0V1aNilV0FFF">
@@ -380,7 +380,7 @@
         locfile="../dfa_example.mlw"
         loclnum="59" loccnumb="10" loccnume="17"
         expl="2. postcondition"
-        sum="5717579e3d33f3e7f9c74c7c1038fdf8"
+        sum="cb9f7a8125030c3879c82d94b659c0b6"
         proved="true"
         expanded="false"
         shape="postconditionCtaNoneamemV0aConcataStaraAltaCharaZeroaCharaOneaCharaOneIainfix =V4aTrueIamemV1aConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V3aNilqainfix =V4aTrueFFaSomeaZerotaSomeaOneV2ICainfix =V2aSomeV5Aainfix =V1V6aConsVVainfix =V2aNoneAainfix =V1aNilAainfix =V0V1aNilV0FFF">
@@ -408,7 +408,7 @@
         locfile="../dfa_example.mlw"
         loclnum="59" loccnumb="10" loccnume="17"
         expl="3. postcondition"
-        sum="21d574f883f25dff82032d7b9a4d0b83"
+        sum="48c84496d42056f81e01fb67e07e3aec"
         proved="true"
         expanded="false"
         shape="postconditionCtaNoneainfix =V4aTrueIamemV0aConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V3aNilIamemV1aConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V3aNilqainfix =V4aTrueFFaSomeaZerotaSomeaOneV2ICainfix =V2aSomeV5Aainfix =V1V6aConsVVainfix =V2aNoneAainfix =V1aNilAainfix =V0V1aNilV0FFF">
@@ -438,7 +438,7 @@
       locfile="../dfa_example.mlw"
       loclnum="59" loccnumb="10" loccnume="17"
       expl="4. variant decrease"
-      sum="a5eb7afa15de17f7e6874520842d77cc"
+      sum="489a19fb820db7c37c6b4e689d0ff976"
       proved="true"
       expanded="false"
       shape="variant decreaseCtaNonetaSomeaZeroainfix &lt;alengthV1alengthV0Aainfix &lt;=c0alengthV0aSomeaOneV2ICainfix =V2aSomeV3Aainfix =V1V4aConsVVainfix =V2aNoneAainfix =V1aNilAainfix =V0V1aNilV0FFF">
@@ -458,7 +458,7 @@
       locfile="../dfa_example.mlw"
       loclnum="59" loccnumb="10" loccnume="17"
       expl="5. postcondition"
-      sum="f0f30b1c181f88288c04b4bfce714247"
+      sum="23a5296949ba1d6283f88639188499a5"
       proved="true"
       expanded="false"
       shape="postconditionCtaNonetaSomeaZeroamemV0aConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V3aNilqainfix =V4aTrueIamemV1aAltaEpsilonaConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V3aNilqainfix =V4aTrueFFaSomeaOneV2ICainfix =V2aSomeV5Aainfix =V1V6aConsVVainfix =V2aNoneAainfix =V1aNilAainfix =V0V1aNilV0FFF">
@@ -488,7 +488,7 @@
     locfile="../dfa_example.mlw"
     loclnum="69" loccnumb="7" loccnume="14"
     expl="VC for astate2"
-    sum="b13a51399111e41282cc4827d44aa3ec"
+    sum="5ca5a161667490fcd4e877b58142bc7c"
     proved="true"
     expanded="false"
     shape="CamemV0aAltaEpsilonaConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V1aNilaNoneamemV0aAltaEpsilonaConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V3aNilqainfix =V4aTrueIamemV1aConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V3aNilqainfix =V4aTrueFFAainfix &lt;alengthV1alengthV0Aainfix &lt;=c0alengthV0aSomeaZeroamemV0aAltaEpsilonaConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V5aNilqainfix =V6aTrueIamemV1aAltaEpsilonaConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V5aNilqainfix =V6aTrueFFAainfix &lt;alengthV1alengthV0Aainfix &lt;=c0alengthV0aSomeaOneV2ICainfix =V2aSomeV7Aainfix =V1V8aConsVVainfix =V2aNoneAainfix =V1aNilAainfix =V0V1aNilV0FFF">
@@ -503,7 +503,7 @@
       locfile="../dfa_example.mlw"
       loclnum="69" loccnumb="7" loccnume="14"
       expl="1. postcondition"
-      sum="6e79eea29a1f798a575cad5054c05cff"
+      sum="7491c2589cfd34b18f7fa86aab2aed74"
       proved="true"
       expanded="false"
       shape="postconditionCamemV0aAltaEpsilonaConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V1aNilaNonetaSomeaZerotaSomeaOneV2ICainfix =V2aSomeV3Aainfix =V1V4aConsVVainfix =V2aNoneAainfix =V1aNilAainfix =V0V1aNilV0FFF">
@@ -531,7 +531,7 @@
       locfile="../dfa_example.mlw"
       loclnum="69" loccnumb="7" loccnume="14"
       expl="2. variant decrease"
-      sum="4e1c7f6b912318d29496bd6bd17eabec"
+      sum="0ca9dbbebcd85052ee40864447f0a317"
       proved="true"
       expanded="false"
       shape="variant decreaseCtaNoneainfix &lt;alengthV1alengthV0Aainfix &lt;=c0alengthV0aSomeaZerotaSomeaOneV2ICainfix =V2aSomeV3Aainfix =V1V4aConsVVainfix =V2aNoneAainfix =V1aNilAainfix =V0V1aNilV0FFF">
@@ -551,7 +551,7 @@
       locfile="../dfa_example.mlw"
       loclnum="69" loccnumb="7" loccnume="14"
       expl="3. postcondition"
-      sum="46af92e7ce86e872482cb6419bc2cffa"
+      sum="109d37f8fb09fd1cf013950f1dff5b45"
       proved="true"
       expanded="false"
       shape="postconditionCtaNoneamemV0aAltaEpsilonaConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V3aNilqainfix =V4aTrueIamemV1aConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V3aNilqainfix =V4aTrueFFaSomeaZerotaSomeaOneV2ICainfix =V2aSomeV5Aainfix =V1V6aConsVVainfix =V2aNoneAainfix =V1aNilAainfix =V0V1aNilV0FFF">
@@ -579,7 +579,7 @@
       locfile="../dfa_example.mlw"
       loclnum="69" loccnumb="7" loccnume="14"
       expl="4. variant decrease"
-      sum="a5eb7afa15de17f7e6874520842d77cc"
+      sum="489a19fb820db7c37c6b4e689d0ff976"
       proved="true"
       expanded="false"
       shape="variant decreaseCtaNonetaSomeaZeroainfix &lt;alengthV1alengthV0Aainfix &lt;=c0alengthV0aSomeaOneV2ICainfix =V2aSomeV3Aainfix =V1V4aConsVVainfix =V2aNoneAainfix =V1aNilAainfix =V0V1aNilV0FFF">
@@ -599,7 +599,7 @@
       locfile="../dfa_example.mlw"
       loclnum="69" loccnumb="7" loccnume="14"
       expl="5. postcondition"
-      sum="473083c73d6a992a47d1b5e6a95fb860"
+      sum="076e179d56e2b3267a9f32302e536066"
       proved="true"
       expanded="false"
       shape="postconditionCtaNonetaSomeaZeroamemV0aAltaEpsilonaConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V3aNilqainfix =V4aTrueIamemV1aAltaEpsilonaConcataStaraAltaCharaZeroaCharaOneaCharaOneAainfix =V3aNilqainfix =V4aTrueFFaSomeaOneV2ICainfix =V2aSomeV5Aainfix =V1V6aConsVVainfix =V2aNoneAainfix =V1aNilAainfix =V0V1aNilV0FFF">
diff --git a/examples/dijkstra/why3session.xml b/examples/dijkstra/why3session.xml
index 4675b3994a15c66401ebead5afe1cfc68df79016..49e5c145934978392dfd033b24fdcbb43a19c551 100644
--- a/examples/dijkstra/why3session.xml
+++ b/examples/dijkstra/why3session.xml
@@ -40,7 +40,7 @@
     locfile="../dijkstra.mlw"
     loclnum="72" loccnumb="6" loccnume="11"
     expl="VC for relax"
-    sum="cfe1c3feaa13fb08c3826feac47ad024"
+    sum="d591134ac0070d1fd00d6b98c8ae7464"
     proved="true"
     expanded="false"
     shape="iainfix =V3amixfix [&lt;-]V3V1ainfix +amixfix []V3V0aweightV0V1Aainfix =V2aaddV1V2ANamemV1V2ANamemV1V4Oainfix =V3amixfix [&lt;-]V3V1ainfix +amixfix []V3V0aweightV0V1Aainfix &lt;ainfix +amixfix []V3V0aweightV0V1amixfix []V3V1AamemV1V2Oainfix &gt;=ainfix +amixfix []V3V0aweightV0V1amixfix []V3V1AamemV1V2OamemV1V4iainfix =V7amixfix [&lt;-]V3V1ainfix +amixfix []V3V0aweightV0V1Aainfix =V6aaddV1V2ANamemV1V2ANamemV1V4Oainfix =V7amixfix [&lt;-]V3V1ainfix +amixfix []V3V0aweightV0V1Aainfix =V6V2Aainfix &lt;ainfix +amixfix []V3V0aweightV0V1amixfix []V3V1AamemV1V6Oainfix =V7V3Aainfix =V6V2Aainfix &gt;=ainfix +amixfix []V7V0aweightV0V1amixfix []V7V1AamemV1V6Oainfix =V7V3Aainfix =V6V2AamemV1V4Iainfix =V7amixfix [&lt;-]V3V1V5FIainfix =V6aaddV1V2Fiainfix =V3amixfix [&lt;-]V3V1ainfix +amixfix []V3V0aweightV0V1Aainfix =V2aaddV1V2ANamemV1V2ANamemV1V4Oainfix =V3amixfix [&lt;-]V3V1ainfix +amixfix []V3V0aweightV0V1Aainfix &lt;ainfix +amixfix []V3V0aweightV0V1amixfix []V3V1AamemV1V2Oainfix &gt;=ainfix +amixfix []V3V0aweightV0V1amixfix []V3V1AamemV1V2OamemV1V4ainfix =V8amixfix [&lt;-]V3V1ainfix +amixfix []V3V0aweightV0V1Aainfix =V2aaddV1V2ANamemV1V2ANamemV1V4Oainfix =V8amixfix [&lt;-]V3V1ainfix +amixfix []V3V0aweightV0V1Aainfix &lt;ainfix +amixfix []V3V0aweightV0V1amixfix []V3V1AamemV1V2Oainfix =V8V3Aainfix &gt;=ainfix +amixfix []V8V0aweightV0V1amixfix []V8V1AamemV1V2Oainfix =V8V3AamemV1V4Iainfix =V8amixfix [&lt;-]V3V1V5Fainfix &lt;V5amixfix []V3V1amemV1V2Lainfix +amixfix []V3V0aweightV0V1NamemV1V4FF">
@@ -55,7 +55,7 @@
       locfile="../dijkstra.mlw"
       loclnum="72" loccnumb="6" loccnume="11"
       expl="1. postcondition"
-      sum="5aeec1b3bf34170320e4555d1fea2804"
+      sum="f2562d37779d590d9d9f1d4e090728e6"
       proved="true"
       expanded="false"
       shape="postconditionainfix =V6amixfix [&lt;-]V3V1ainfix +amixfix []V3V0aweightV0V1Aainfix =V2aaddV1V2ANamemV1V2ANamemV1V4Oainfix =V6amixfix [&lt;-]V3V1ainfix +amixfix []V3V0aweightV0V1Aainfix &lt;ainfix +amixfix []V3V0aweightV0V1amixfix []V3V1AamemV1V2Oainfix =V6V3Aainfix &gt;=ainfix +amixfix []V6V0aweightV0V1amixfix []V6V1AamemV1V2Oainfix =V6V3AamemV1V4Iainfix =V6amixfix [&lt;-]V3V1V5FIainfix &lt;V5amixfix []V3V1IamemV1V2Lainfix +amixfix []V3V0aweightV0V1INamemV1V4FF">
@@ -75,7 +75,7 @@
       locfile="../dijkstra.mlw"
       loclnum="72" loccnumb="6" loccnume="11"
       expl="2. postcondition"
-      sum="40313d665d81ce38eb35c5742bb1b117"
+      sum="b0748665b3ad2dd54aecfc02d12f2f5f"
       proved="true"
       expanded="false"
       shape="postconditionainfix =V3amixfix [&lt;-]V3V1ainfix +amixfix []V3V0aweightV0V1Aainfix =V2aaddV1V2ANamemV1V2ANamemV1V4Oainfix =V3amixfix [&lt;-]V3V1ainfix +amixfix []V3V0aweightV0V1Aainfix &lt;ainfix +amixfix []V3V0aweightV0V1amixfix []V3V1AamemV1V2Oainfix &gt;=ainfix +amixfix []V3V0aweightV0V1amixfix []V3V1AamemV1V2OamemV1V4INainfix &lt;V5amixfix []V3V1IamemV1V2Lainfix +amixfix []V3V0aweightV0V1INamemV1V4FF">
@@ -95,7 +95,7 @@
       locfile="../dijkstra.mlw"
       loclnum="72" loccnumb="6" loccnume="11"
       expl="3. postcondition"
-      sum="41241298f217868a61fee342fc28abb9"
+      sum="b79f391ee3e8d25dc685e81fd77ed645"
       proved="true"
       expanded="false"
       shape="postconditionainfix =V7amixfix [&lt;-]V3V1ainfix +amixfix []V3V0aweightV0V1Aainfix =V6aaddV1V2ANamemV1V2ANamemV1V4Oainfix =V7amixfix [&lt;-]V3V1ainfix +amixfix []V3V0aweightV0V1Aainfix =V6V2Aainfix &lt;ainfix +amixfix []V3V0aweightV0V1amixfix []V3V1AamemV1V6Oainfix =V7V3Aainfix =V6V2Aainfix &gt;=ainfix +amixfix []V7V0aweightV0V1amixfix []V7V1AamemV1V6Oainfix =V7V3Aainfix =V6V2AamemV1V4Iainfix =V7amixfix [&lt;-]V3V1V5FIainfix =V6aaddV1V2FINamemV1V2Lainfix +amixfix []V3V0aweightV0V1INamemV1V4FF">
@@ -115,7 +115,7 @@
       locfile="../dijkstra.mlw"
       loclnum="72" loccnumb="6" loccnume="11"
       expl="4. postcondition"
-      sum="93d7fb95ce6f06ef082eae3e617234c4"
+      sum="02271f22e9170ec96b18cffbd486754a"
       proved="true"
       expanded="false"
       shape="postconditionainfix =V3amixfix [&lt;-]V3V1ainfix +amixfix []V3V0aweightV0V1Aainfix =V2aaddV1V2ANamemV1V2ANamemV1V4Oainfix =V3amixfix [&lt;-]V3V1ainfix +amixfix []V3V0aweightV0V1Aainfix &lt;ainfix +amixfix []V3V0aweightV0V1amixfix []V3V1AamemV1V2Oainfix &gt;=ainfix +amixfix []V3V0aweightV0V1amixfix []V3V1AamemV1V2OamemV1V4INNamemV1V4FF">
@@ -136,7 +136,7 @@
     name="Length_nonneg"
     locfile="../dijkstra.mlw"
     loclnum="108" loccnumb="8" loccnume="21"
-    sum="7422244eb2429310f1b7e22935f525ea"
+    sum="c3a07bb5917ab38b89de277c112f10e2"
     proved="true"
     expanded="false"
     shape="ainfix &gt;=V2c0IapathV0V1V2FF">
@@ -154,7 +154,7 @@
     name="Path_inversion"
     locfile="../dijkstra.mlw"
     loclnum="113" loccnumb="8" loccnume="22"
-    sum="6c8b3f16d88a6fe153b8d4e6aa3c9554"
+    sum="34f9d596f015c90d4f15fdc18a4995e8"
     proved="true"
     expanded="false"
     shape="amemV1ag_succV3AapathV0V3ainfix -V2aweightV3V1EOainfix =V2c0Aainfix =V1V0IapathV0V1V2FF">
@@ -171,7 +171,7 @@
     name="Path_shortest_path"
     locfile="../dijkstra.mlw"
     loclnum="118" loccnumb="8" loccnume="26"
-    sum="df80852c183cc6011a5d299649c99243"
+    sum="a8ee86ab5a7a94cd7a3e883cdfcfc70c"
     proved="true"
     expanded="false"
     shape="ainfix &lt;=V3V2Aashortest_pathV0V1V3EIapathV0V1V2FF">
@@ -189,7 +189,7 @@
     name="Main_lemma"
     locfile="../dijkstra.mlw"
     loclnum="124" loccnumb="8" loccnume="18"
-    sum="21ffe5ec233a7552eed0554b412cf44d"
+    sum="35bb635f44c5ec7b8c6db14a845c00fe"
     proved="true"
     expanded="false"
     shape="ainfix &lt;ainfix +V4aweightV3V1V2AamemV1ag_succV3Aashortest_pathV0V3V4EEOainfix &gt;V2c0Aainfix =V1V0INashortest_pathV0V1V2IapathV0V1V2FF">
@@ -206,7 +206,7 @@
     name="Completeness_lemma"
     locfile="../dijkstra.mlw"
     loclnum="132" loccnumb="8" loccnume="26"
-    sum="51cb6ac94b0115078afd9f03aefc2da8"
+    sum="20fcbccab290946251d4742b5a9fe91f"
     proved="true"
     expanded="false"
     shape="amemV2V0IapathV1V2V3FFIamemV1V0FIamemV5V0IamemV5ag_succV4FIamemV4V0FF">
@@ -225,7 +225,7 @@
     locfile="../dijkstra.mlw"
     loclnum="186" loccnumb="6" loccnume="24"
     expl="VC for shortest_path_code"
-    sum="b7fbf479a3aa6854e68877e4e646a87d"
+    sum="a64242df2d336ed996190a397b39803c"
     proved="true"
     expanded="true"
     shape="iNapathV0V10V11FINamemV10V8FAashortest_pathV0V12amixfix []V7V12IamemV12V8Fiainfix &lt;ainfix -acardinalavacardinalV15ainfix -acardinalavacardinalV8Aainfix &lt;=c0ainfix -acardinalavacardinalV8AamemV21V15Iainfix &lt;V22amixfix []V18V20IapathV0V21V22FFIaminV20V17V18FAainv_succV0V15V17V18AainvV0V15V17V18ainfix &lt;acardinalV23acardinalV16Aainfix &lt;=c0acardinalV16Aainv_succ2V0V15V25V26V14V23AainvV0V15V25V26AasubsetV23ag_succV14Aainfix &lt;=amixfix []V26V24ainfix +amixfix []V26V14aweightV14V24Iainfix =V26amixfix [&lt;-]V18V24ainfix +amixfix []V18V14aweightV14V24Aainfix =V25aaddV24V17ANamemV24V17ANamemV24V15Oainfix =V26amixfix [&lt;-]V18V24ainfix +amixfix []V18V14aweightV14V24Aainfix =V25V17Aainfix &lt;ainfix +amixfix []V18V14aweightV14V24amixfix []V18V24AamemV24V25Oainfix =V26V18Aainfix =V25V17Aainfix &gt;=ainfix +amixfix []V26V14aweightV14V24amixfix []V26V24AamemV24V25Oainfix =V26V18Aainfix =V25V17AamemV24V15FIainfix =V23aremoveV24V16AamemV24V16FFANais_emptyV16ainfix =V19aTrueINais_emptyV16qainfix =V19aTrueFIainv_succ2V0V15V17V18V14V16AainvV0V15V17V18AasubsetV16ag_succV14FAainv_succ2V0V15V13V7V14ag_succV14AainvV0V15V13V7Aasubsetag_succV14ag_succV14Iainfix =V15aaddV14V8FAashortest_pathV0V14amixfix []V7V14Iainfix =V13aremoveV14V6AaminV14V6V7FFANais_emptyV6Nainfix =V9aTrueIais_emptyV6qainfix =V9aTrueFIamemV28V8Iainfix &lt;V29amixfix []V7V27IapathV0V28V29FFIaminV27V6V7FAainv_succV0V8V6V7AainvV0V8V6V7FAamemV31V5Iainfix &lt;V32amixfix []V4V30IapathV0V31V32FFIaminV30V3V4FAainv_succV0V5V3V4AainvV0V5V3V4Iainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -240,7 +240,7 @@
       locfile="../dijkstra.mlw"
       loclnum="186" loccnumb="6" loccnume="24"
       expl="1. loop invariant init"
-      sum="9f6ea21c42023bc3e2cb258db1555a49"
+      sum="d44cdf7803e04bb2787dcaa91a200b1c"
       proved="true"
       expanded="false"
       shape="loop invariant initainvV0V5V3V4Iainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -268,7 +268,7 @@
       locfile="../dijkstra.mlw"
       loclnum="186" loccnumb="6" loccnume="24"
       expl="2. loop invariant init"
-      sum="2463f500fb7f855debbd42bac4fb2999"
+      sum="465d18691387af8512eaacc179d3bcc7"
       proved="true"
       expanded="false"
       shape="loop invariant initainv_succV0V5V3V4Iainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -304,7 +304,7 @@
       locfile="../dijkstra.mlw"
       loclnum="186" loccnumb="6" loccnume="24"
       expl="3. loop invariant init"
-      sum="39f8a5dc98d16789de1a1cc041f075c6"
+      sum="179ec0a8f6615213763e340989882429"
       proved="true"
       expanded="false"
       shape="loop invariant initamemV7V5Iainfix &lt;V8amixfix []V4V6IapathV0V7V8FFIaminV6V3V4FIainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -324,7 +324,7 @@
       locfile="../dijkstra.mlw"
       loclnum="186" loccnumb="6" loccnume="24"
       expl="4. precondition"
-      sum="1f078f9eb54170070c548c57a9fe4468"
+      sum="dcd7052a6e9e0769aa8afbec33b30095"
       proved="true"
       expanded="false"
       shape="preconditionNais_emptyV6INainfix =V9aTrueIais_emptyV6qainfix =V9aTrueFIamemV11V8Iainfix &lt;V12amixfix []V7V10IapathV0V11V12FFIaminV10V6V7FAainv_succV0V8V6V7AainvV0V8V6V7FIainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -344,7 +344,7 @@
       locfile="../dijkstra.mlw"
       loclnum="186" loccnumb="6" loccnume="24"
       expl="5. assertion"
-      sum="998c31a51c5bda73db9f5e4175386270"
+      sum="46a6a4a8cba8b2e5e40e9971f5d5cdcc"
       proved="true"
       expanded="false"
       shape="assertionashortest_pathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6AaminV11V6V7FFINais_emptyV6INainfix =V9aTrueIais_emptyV6qainfix =V9aTrueFIamemV13V8Iainfix &lt;V14amixfix []V7V12IapathV0V13V14FFIaminV12V6V7FAainv_succV0V8V6V7AainvV0V8V6V7FIainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -388,7 +388,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="3.75"/>
+       <result status="valid" time="0.58"/>
       </proof>
      </goal>
      <goal
@@ -396,7 +396,7 @@
       locfile="../dijkstra.mlw"
       loclnum="186" loccnumb="6" loccnume="24"
       expl="6. loop invariant init"
-      sum="6324ea406db6d9e76b32bac9f46ebee6"
+      sum="169c307d31d6e785657bd549f97716f3"
       proved="true"
       expanded="false"
       shape="loop invariant initasubsetag_succV11ag_succV11Iainfix =V12aaddV11V8FIashortest_pathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6AaminV11V6V7FFINais_emptyV6INainfix =V9aTrueIais_emptyV6qainfix =V9aTrueFIamemV14V8Iainfix &lt;V15amixfix []V7V13IapathV0V14V15FFIaminV13V6V7FAainv_succV0V8V6V7AainvV0V8V6V7FIainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -416,7 +416,7 @@
       locfile="../dijkstra.mlw"
       loclnum="186" loccnumb="6" loccnume="24"
       expl="7. loop invariant init"
-      sum="998df86d4f2560a158f7e5cf238dd487"
+      sum="f1bccadcf26b3da629be42c8a035d000"
       proved="true"
       expanded="false"
       shape="loop invariant initainvV0V12V10V7Iainfix =V12aaddV11V8FIashortest_pathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6AaminV11V6V7FFINais_emptyV6INainfix =V9aTrueIais_emptyV6qainfix =V9aTrueFIamemV14V8Iainfix &lt;V15amixfix []V7V13IapathV0V14V15FFIaminV13V6V7FAainv_succV0V8V6V7AainvV0V8V6V7FIainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -431,7 +431,7 @@
         locfile="../dijkstra.mlw"
         loclnum="186" loccnumb="6" loccnume="24"
         expl="1. loop invariant init"
-        sum="c8f588fbd2d3a704c85ce365b48b4ad4"
+        sum="e38be09a785a4d7609b4348e6313ad4f"
         proved="true"
         expanded="false"
         shape="loop invariant initapathV0V13amixfix []V7V13IamemV13V10FAashortest_pathV0V14amixfix []V7V14IamemV14V12FAfIamemV15V12IamemV15V10FAasubsetV10avAasubsetV12avAainfix =amixfix []V7V0c0Aainv_srcV0V12V10Iainfix =V12aaddV11V8FIainfix &lt;=amixfix []V7V11V16IapathV0V11V16FAapathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6Aainfix &lt;=amixfix []V7V11amixfix []V7V17IamemV17V6FAamemV11V6FFINNamemV18V6FINainfix =V9aTrueINamemV19V6Fqainfix =V9aTrueFIamemV21V8Iainfix &lt;V22amixfix []V7V20IapathV0V21V22FFIainfix &lt;=amixfix []V7V20amixfix []V7V23IamemV23V6FAamemV20V6FAainfix &lt;=amixfix []V7V25ainfix +amixfix []V7V24aweightV24V25AamemV25V6OamemV25V8IamemV25ag_succV24FIamemV24V8FAapathV0V26amixfix []V7V26IamemV26V6FAashortest_pathV0V27amixfix []V7V27IamemV27V8FAfIamemV28V8IamemV28V6FAasubsetV6avAasubsetV8avAainfix =amixfix []V7V0c0Aainv_srcV0V8V6FIainfix =V4asetV2V0c0Aainfix =V3aaddV0aemptyANamemV29V5FFIamemV1avAamemV0avFF">
@@ -446,7 +446,7 @@
           locfile="../dijkstra.mlw"
           loclnum="186" loccnumb="6" loccnume="24"
           expl="1."
-          sum="48f85ffdb706a5c5a2b45e9cbf6a6981"
+          sum="fc5f214b249cd82d48ca9bfafe581c4d"
           proved="true"
           expanded="false"
           shape="ainv_srcV0V12V10Iainfix =V12aaddV11V8FIainfix &lt;=amixfix []V7V11V13IapathV0V11V13FAapathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6Aainfix &lt;=amixfix []V7V11amixfix []V7V14IamemV14V6FAamemV11V6FFINNamemV15V6FINainfix =V9aTrueINamemV16V6Fqainfix =V9aTrueFIamemV18V8Iainfix &lt;V19amixfix []V7V17IapathV0V18V19FFIainfix &lt;=amixfix []V7V17amixfix []V7V20IamemV20V6FAamemV17V6FAainfix &lt;=amixfix []V7V22ainfix +amixfix []V7V21aweightV21V22AamemV22V6OamemV22V8IamemV22ag_succV21FIamemV21V8FAapathV0V23amixfix []V7V23IamemV23V6FAashortest_pathV0V24amixfix []V7V24IamemV24V8FAfIamemV25V8IamemV25V6FAasubsetV6avAasubsetV8avAainfix =amixfix []V7V0c0Aainv_srcV0V8V6FIainfix =V4asetV2V0c0Aainfix =V3aaddV0aemptyANamemV26V5FFIamemV1avAamemV0avFF">
@@ -466,7 +466,7 @@
           locfile="../dijkstra.mlw"
           loclnum="186" loccnumb="6" loccnume="24"
           expl="2."
-          sum="c8b7f0c638978ea83fb2b5fcbbaa521b"
+          sum="45ab710e8a616a7951bb46412b18b2cc"
           proved="true"
           expanded="false"
           shape="ainfix =amixfix []V7V0c0Iainfix =V12aaddV11V8FIainfix &lt;=amixfix []V7V11V13IapathV0V11V13FAapathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6Aainfix &lt;=amixfix []V7V11amixfix []V7V14IamemV14V6FAamemV11V6FFINNamemV15V6FINainfix =V9aTrueINamemV16V6Fqainfix =V9aTrueFIamemV18V8Iainfix &lt;V19amixfix []V7V17IapathV0V18V19FFIainfix &lt;=amixfix []V7V17amixfix []V7V20IamemV20V6FAamemV17V6FAainfix &lt;=amixfix []V7V22ainfix +amixfix []V7V21aweightV21V22AamemV22V6OamemV22V8IamemV22ag_succV21FIamemV21V8FAapathV0V23amixfix []V7V23IamemV23V6FAashortest_pathV0V24amixfix []V7V24IamemV24V8FAfIamemV25V8IamemV25V6FAasubsetV6avAasubsetV8avAainfix =amixfix []V7V0c0Aainv_srcV0V8V6FIainfix =V4asetV2V0c0Aainfix =V3aaddV0aemptyANamemV26V5FFIamemV1avAamemV0avFF">
@@ -486,7 +486,7 @@
           locfile="../dijkstra.mlw"
           loclnum="186" loccnumb="6" loccnume="24"
           expl="3."
-          sum="2581a0f985147e708daf1b7b1299366f"
+          sum="fa15756317bb901f6f408fd37373b0f3"
           proved="true"
           expanded="false"
           shape="asubsetV12avIainfix =V12aaddV11V8FIainfix &lt;=amixfix []V7V11V13IapathV0V11V13FAapathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6Aainfix &lt;=amixfix []V7V11amixfix []V7V14IamemV14V6FAamemV11V6FFINNamemV15V6FINainfix =V9aTrueINamemV16V6Fqainfix =V9aTrueFIamemV18V8Iainfix &lt;V19amixfix []V7V17IapathV0V18V19FFIainfix &lt;=amixfix []V7V17amixfix []V7V20IamemV20V6FAamemV17V6FAainfix &lt;=amixfix []V7V22ainfix +amixfix []V7V21aweightV21V22AamemV22V6OamemV22V8IamemV22ag_succV21FIamemV21V8FAapathV0V23amixfix []V7V23IamemV23V6FAashortest_pathV0V24amixfix []V7V24IamemV24V8FAfIamemV25V8IamemV25V6FAasubsetV6avAasubsetV8avAainfix =amixfix []V7V0c0Aainv_srcV0V8V6FIainfix =V4asetV2V0c0Aainfix =V3aaddV0aemptyANamemV26V5FFIamemV1avAamemV0avFF">
@@ -506,7 +506,7 @@
           locfile="../dijkstra.mlw"
           loclnum="186" loccnumb="6" loccnume="24"
           expl="4."
-          sum="11291f09217213b2973aec9a6e0a9333"
+          sum="ebe4dc7d428e93b85a2c07f71ce6374e"
           proved="true"
           expanded="false"
           shape="asubsetV10avIainfix =V12aaddV11V8FIainfix &lt;=amixfix []V7V11V13IapathV0V11V13FAapathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6Aainfix &lt;=amixfix []V7V11amixfix []V7V14IamemV14V6FAamemV11V6FFINNamemV15V6FINainfix =V9aTrueINamemV16V6Fqainfix =V9aTrueFIamemV18V8Iainfix &lt;V19amixfix []V7V17IapathV0V18V19FFIainfix &lt;=amixfix []V7V17amixfix []V7V20IamemV20V6FAamemV17V6FAainfix &lt;=amixfix []V7V22ainfix +amixfix []V7V21aweightV21V22AamemV22V6OamemV22V8IamemV22ag_succV21FIamemV21V8FAapathV0V23amixfix []V7V23IamemV23V6FAashortest_pathV0V24amixfix []V7V24IamemV24V8FAfIamemV25V8IamemV25V6FAasubsetV6avAasubsetV8avAainfix =amixfix []V7V0c0Aainv_srcV0V8V6FIainfix =V4asetV2V0c0Aainfix =V3aaddV0aemptyANamemV26V5FFIamemV1avAamemV0avFF">
@@ -526,7 +526,7 @@
           locfile="../dijkstra.mlw"
           loclnum="186" loccnumb="6" loccnume="24"
           expl="5."
-          sum="7cdbd9602679b0842526c9992643dbed"
+          sum="5c267bcceb3f23d511c5702d94e11704"
           proved="true"
           expanded="false"
           shape="fIamemV13V12IamemV13V10FIainfix =V12aaddV11V8FIainfix &lt;=amixfix []V7V11V14IapathV0V11V14FAapathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6Aainfix &lt;=amixfix []V7V11amixfix []V7V15IamemV15V6FAamemV11V6FFINNamemV16V6FINainfix =V9aTrueINamemV17V6Fqainfix =V9aTrueFIamemV19V8Iainfix &lt;V20amixfix []V7V18IapathV0V19V20FFIainfix &lt;=amixfix []V7V18amixfix []V7V21IamemV21V6FAamemV18V6FAainfix &lt;=amixfix []V7V23ainfix +amixfix []V7V22aweightV22V23AamemV23V6OamemV23V8IamemV23ag_succV22FIamemV22V8FAapathV0V24amixfix []V7V24IamemV24V6FAashortest_pathV0V25amixfix []V7V25IamemV25V8FAfIamemV26V8IamemV26V6FAasubsetV6avAasubsetV8avAainfix =amixfix []V7V0c0Aainv_srcV0V8V6FIainfix =V4asetV2V0c0Aainfix =V3aaddV0aemptyANamemV27V5FFIamemV1avAamemV0avFF">
@@ -546,7 +546,7 @@
           locfile="../dijkstra.mlw"
           loclnum="186" loccnumb="6" loccnume="24"
           expl="6."
-          sum="b928d02861304088767d28bc08875321"
+          sum="1174c30e016f114ad311c45df7e7042b"
           proved="true"
           expanded="false"
           shape="ashortest_pathV0V13amixfix []V7V13IamemV13V12FIainfix =V12aaddV11V8FIainfix &lt;=amixfix []V7V11V14IapathV0V11V14FAapathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6Aainfix &lt;=amixfix []V7V11amixfix []V7V15IamemV15V6FAamemV11V6FFINNamemV16V6FINainfix =V9aTrueINamemV17V6Fqainfix =V9aTrueFIamemV19V8Iainfix &lt;V20amixfix []V7V18IapathV0V19V20FFIainfix &lt;=amixfix []V7V18amixfix []V7V21IamemV21V6FAamemV18V6FAainfix &lt;=amixfix []V7V23ainfix +amixfix []V7V22aweightV22V23AamemV23V6OamemV23V8IamemV23ag_succV22FIamemV22V8FAapathV0V24amixfix []V7V24IamemV24V6FAashortest_pathV0V25amixfix []V7V25IamemV25V8FAfIamemV26V8IamemV26V6FAasubsetV6avAasubsetV8avAainfix =amixfix []V7V0c0Aainv_srcV0V8V6FIainfix =V4asetV2V0c0Aainfix =V3aaddV0aemptyANamemV27V5FFIamemV1avAamemV0avFF">
@@ -566,7 +566,7 @@
           locfile="../dijkstra.mlw"
           loclnum="186" loccnumb="6" loccnume="24"
           expl="7."
-          sum="ffb69d2300a5f8edd786c7d12869a8c4"
+          sum="5271787f9609297f51e3f7de393a6725"
           proved="true"
           expanded="false"
           shape="apathV0V13amixfix []V7V13IamemV13V10FIainfix =V12aaddV11V8FIainfix &lt;=amixfix []V7V11V14IapathV0V11V14FAapathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6Aainfix &lt;=amixfix []V7V11amixfix []V7V15IamemV15V6FAamemV11V6FFINNamemV16V6FINainfix =V9aTrueINamemV17V6Fqainfix =V9aTrueFIamemV19V8Iainfix &lt;V20amixfix []V7V18IapathV0V19V20FFIainfix &lt;=amixfix []V7V18amixfix []V7V21IamemV21V6FAamemV18V6FAainfix &lt;=amixfix []V7V23ainfix +amixfix []V7V22aweightV22V23AamemV23V6OamemV23V8IamemV23ag_succV22FIamemV22V8FAapathV0V24amixfix []V7V24IamemV24V6FAashortest_pathV0V25amixfix []V7V25IamemV25V8FAfIamemV26V8IamemV26V6FAasubsetV6avAasubsetV8avAainfix =amixfix []V7V0c0Aainv_srcV0V8V6FIainfix =V4asetV2V0c0Aainfix =V3aaddV0aemptyANamemV27V5FFIamemV1avAamemV0avFF">
@@ -590,7 +590,7 @@
       locfile="../dijkstra.mlw"
       loclnum="186" loccnumb="6" loccnume="24"
       expl="8. loop invariant init"
-      sum="1f065403867c0e22773611b25a6c406c"
+      sum="ca5fe5db36b25ca16d58f18c7be9e259"
       proved="true"
       expanded="false"
       shape="loop invariant initainv_succ2V0V12V10V7V11ag_succV11Iainfix =V12aaddV11V8FIashortest_pathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6AaminV11V6V7FFINais_emptyV6INainfix =V9aTrueIais_emptyV6qainfix =V9aTrueFIamemV14V8Iainfix &lt;V15amixfix []V7V13IapathV0V14V15FFIaminV13V6V7FAainv_succV0V8V6V7AainvV0V8V6V7FIainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -605,7 +605,7 @@
         locfile="../dijkstra.mlw"
         loclnum="186" loccnumb="6" loccnume="24"
         expl="1. loop invariant init"
-        sum="1f065403867c0e22773611b25a6c406c"
+        sum="ca5fe5db36b25ca16d58f18c7be9e259"
         proved="true"
         expanded="false"
         shape="loop invariant initainv_succ2V0V12V10V7V11ag_succV11Iainfix =V12aaddV11V8FIashortest_pathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6AaminV11V6V7FFINais_emptyV6INainfix =V9aTrueIais_emptyV6qainfix =V9aTrueFIamemV14V8Iainfix &lt;V15amixfix []V7V13IapathV0V14V15FFIaminV13V6V7FAainv_succV0V8V6V7AainvV0V8V6V7FIainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -627,7 +627,7 @@
       locfile="../dijkstra.mlw"
       loclnum="186" loccnumb="6" loccnume="24"
       expl="9. precondition"
-      sum="0fcaf703691332be92e405f162a29af5"
+      sum="1f9cc2ff8f01f049706c0b15817bd001"
       proved="true"
       expanded="false"
       shape="preconditionNais_emptyV13Iainfix =V16aTrueINais_emptyV13qainfix =V16aTrueFIainv_succ2V0V12V14V15V11V13AainvV0V12V14V15AasubsetV13ag_succV11FIainfix =V12aaddV11V8FIashortest_pathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6AaminV11V6V7FFINais_emptyV6INainfix =V9aTrueIais_emptyV6qainfix =V9aTrueFIamemV18V8Iainfix &lt;V19amixfix []V7V17IapathV0V18V19FFIaminV17V6V7FAainv_succV0V8V6V7AainvV0V8V6V7FIainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -647,7 +647,7 @@
       locfile="../dijkstra.mlw"
       loclnum="186" loccnumb="6" loccnume="24"
       expl="10. assertion"
-      sum="96f2ad4235190c2c6b222eacf847befc"
+      sum="aefa6deff9668515c73015e7691897fc"
       proved="true"
       expanded="false"
       shape="assertionainfix &lt;=amixfix []V20V18ainfix +amixfix []V20V11aweightV11V18Iainfix =V20amixfix [&lt;-]V15V18ainfix +amixfix []V15V11aweightV11V18Aainfix =V19aaddV18V14ANamemV18V14ANamemV18V12Oainfix =V20amixfix [&lt;-]V15V18ainfix +amixfix []V15V11aweightV11V18Aainfix =V19V14Aainfix &lt;ainfix +amixfix []V15V11aweightV11V18amixfix []V15V18AamemV18V19Oainfix =V20V15Aainfix =V19V14Aainfix &gt;=ainfix +amixfix []V20V11aweightV11V18amixfix []V20V18AamemV18V19Oainfix =V20V15Aainfix =V19V14AamemV18V12FIainfix =V17aremoveV18V13AamemV18V13FFINais_emptyV13Iainfix =V16aTrueINais_emptyV13qainfix =V16aTrueFIainv_succ2V0V12V14V15V11V13AainvV0V12V14V15AasubsetV13ag_succV11FIainfix =V12aaddV11V8FIashortest_pathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6AaminV11V6V7FFINais_emptyV6INainfix =V9aTrueIais_emptyV6qainfix =V9aTrueFIamemV22V8Iainfix &lt;V23amixfix []V7V21IapathV0V22V23FFIaminV21V6V7FAainv_succV0V8V6V7AainvV0V8V6V7FIainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -667,7 +667,7 @@
       locfile="../dijkstra.mlw"
       loclnum="186" loccnumb="6" loccnume="24"
       expl="11. loop invariant preservation"
-      sum="4e6ef18bfc4275331032783100e4b357"
+      sum="de8f19bcd6a359aa13dacf7c6dea66c9"
       proved="true"
       expanded="false"
       shape="loop invariant preservationasubsetV17ag_succV11Iainfix &lt;=amixfix []V20V18ainfix +amixfix []V20V11aweightV11V18Iainfix =V20amixfix [&lt;-]V15V18ainfix +amixfix []V15V11aweightV11V18Aainfix =V19aaddV18V14ANamemV18V14ANamemV18V12Oainfix =V20amixfix [&lt;-]V15V18ainfix +amixfix []V15V11aweightV11V18Aainfix =V19V14Aainfix &lt;ainfix +amixfix []V15V11aweightV11V18amixfix []V15V18AamemV18V19Oainfix =V20V15Aainfix =V19V14Aainfix &gt;=ainfix +amixfix []V20V11aweightV11V18amixfix []V20V18AamemV18V19Oainfix =V20V15Aainfix =V19V14AamemV18V12FIainfix =V17aremoveV18V13AamemV18V13FFINais_emptyV13Iainfix =V16aTrueINais_emptyV13qainfix =V16aTrueFIainv_succ2V0V12V14V15V11V13AainvV0V12V14V15AasubsetV13ag_succV11FIainfix =V12aaddV11V8FIashortest_pathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6AaminV11V6V7FFINais_emptyV6INainfix =V9aTrueIais_emptyV6qainfix =V9aTrueFIamemV22V8Iainfix &lt;V23amixfix []V7V21IapathV0V22V23FFIaminV21V6V7FAainv_succV0V8V6V7AainvV0V8V6V7FIainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -687,7 +687,7 @@
       locfile="../dijkstra.mlw"
       loclnum="186" loccnumb="6" loccnume="24"
       expl="12. loop invariant preservation"
-      sum="e27433f6bdb56d3fe745cc3e0fccada3"
+      sum="8136ab1b753bcde886c8bcfa5a7b9204"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainvV0V12V19V20Iainfix &lt;=amixfix []V20V18ainfix +amixfix []V20V11aweightV11V18Iainfix =V20amixfix [&lt;-]V15V18ainfix +amixfix []V15V11aweightV11V18Aainfix =V19aaddV18V14ANamemV18V14ANamemV18V12Oainfix =V20amixfix [&lt;-]V15V18ainfix +amixfix []V15V11aweightV11V18Aainfix =V19V14Aainfix &lt;ainfix +amixfix []V15V11aweightV11V18amixfix []V15V18AamemV18V19Oainfix =V20V15Aainfix =V19V14Aainfix &gt;=ainfix +amixfix []V20V11aweightV11V18amixfix []V20V18AamemV18V19Oainfix =V20V15Aainfix =V19V14AamemV18V12FIainfix =V17aremoveV18V13AamemV18V13FFINais_emptyV13Iainfix =V16aTrueINais_emptyV13qainfix =V16aTrueFIainv_succ2V0V12V14V15V11V13AainvV0V12V14V15AasubsetV13ag_succV11FIainfix =V12aaddV11V8FIashortest_pathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6AaminV11V6V7FFINais_emptyV6INainfix =V9aTrueIais_emptyV6qainfix =V9aTrueFIamemV22V8Iainfix &lt;V23amixfix []V7V21IapathV0V22V23FFIaminV21V6V7FAainv_succV0V8V6V7AainvV0V8V6V7FIainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -702,7 +702,7 @@
         locfile="../dijkstra.mlw"
         loclnum="186" loccnumb="6" loccnume="24"
         expl="1. loop invariant preservation"
-        sum="ac065398b6aad793d03d02dea5fa7ed6"
+        sum="1ca2034a0d86246ca4a85f14d7843290"
         proved="true"
         expanded="false"
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           proved="true"
           expanded="false"
           shape="apathV0V21amixfix []V20V21IamemV21V19FIainfix =amixfix []V20V18ainfix +amixfix []V20V11aweightV11V18Oainfix &lt;amixfix []V20V18ainfix +amixfix []V20V11aweightV11V18Iainfix =V20asetV15V18ainfix +amixfix []V15V11aweightV11V18Aainfix =V19aaddV18V14ANamemV18V14ANamemV18V12Oainfix =V20asetV15V18ainfix +amixfix []V15V11aweightV11V18Aainfix =V19V14Aainfix &lt;ainfix +amixfix []V15V11aweightV11V18amixfix []V15V18AamemV18V19Oainfix =V20V15Aainfix =V19V14Aainfix &lt;=amixfix []V20V18ainfix +amixfix []V20V11aweightV11V18AamemV18V19Oainfix =V20V15Aainfix =V19V14AamemV18V12FIainfix =V17aremoveV18V13AamemV18V13FFINNamemV22V13FIainfix =V16aTrueINNamemV23V13Fqainfix =V16aTrueFIainfix &lt;=amixfix []V15V25ainfix +amixfix []V15V24aweightV24V25AamemV25V14OamemV25V12INamemV25V13Aainfix =V24V11ONainfix =V24V11IamemV25ag_succV24FIamemV24V12FAapathV0V26amixfix []V15V26IamemV26V14FAashortest_pathV0V27amixfix []V15V27IamemV27V12FAfIamemV28V12IamemV28V14FAasubsetV14avAasubsetV12avAainfix =amixfix []V15V0c0Aainv_srcV0V12V14AamemV29ag_succV11IamemV29V13FFIainfix =V12aaddV11V8FIainfix &lt;=amixfix []V7V11V30IapathV0V11V30FAapathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6Aainfix &lt;=amixfix []V7V11amixfix []V7V31IamemV31V6FAamemV11V6FFINNamemV32V6FINainfix =V9aTrueINamemV33V6Fqainfix =V9aTrueFIamemV35V8Iainfix &lt;V36amixfix []V7V34IapathV0V35V36FFIainfix &lt;=amixfix []V7V34amixfix []V7V37IamemV37V6FAamemV34V6FAainfix &lt;=amixfix []V7V39ainfix +amixfix []V7V38aweightV38V39AamemV39V6OamemV39V8IamemV39ag_succV38FIamemV38V8FAapathV0V40amixfix []V7V40IamemV40V6FAashortest_pathV0V41amixfix []V7V41IamemV41V8FAfIamemV42V8IamemV42V6FAasubsetV6avAasubsetV8avAainfix =amixfix []V7V0c0Aainv_srcV0V8V6FIainfix =V4asetV2V0c0Aainfix =V3aaddV0aemptyANamemV43V5FFIamemV1avAamemV0avFF">
@@ -862,7 +862,7 @@
       locfile="../dijkstra.mlw"
       loclnum="186" loccnumb="6" loccnume="24"
       expl="13. loop invariant preservation"
-      sum="14bce55ec811943a50f73cb4fdd8ce2d"
+      sum="9483f539f18804361662dbd25035db9c"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainv_succ2V0V12V19V20V11V17Iainfix &lt;=amixfix []V20V18ainfix +amixfix []V20V11aweightV11V18Iainfix =V20amixfix [&lt;-]V15V18ainfix +amixfix []V15V11aweightV11V18Aainfix =V19aaddV18V14ANamemV18V14ANamemV18V12Oainfix =V20amixfix [&lt;-]V15V18ainfix +amixfix []V15V11aweightV11V18Aainfix =V19V14Aainfix &lt;ainfix +amixfix []V15V11aweightV11V18amixfix []V15V18AamemV18V19Oainfix =V20V15Aainfix =V19V14Aainfix &gt;=ainfix +amixfix []V20V11aweightV11V18amixfix []V20V18AamemV18V19Oainfix =V20V15Aainfix =V19V14AamemV18V12FIainfix =V17aremoveV18V13AamemV18V13FFINais_emptyV13Iainfix =V16aTrueINais_emptyV13qainfix =V16aTrueFIainv_succ2V0V12V14V15V11V13AainvV0V12V14V15AasubsetV13ag_succV11FIainfix =V12aaddV11V8FIashortest_pathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6AaminV11V6V7FFINais_emptyV6INainfix =V9aTrueIais_emptyV6qainfix =V9aTrueFIamemV22V8Iainfix &lt;V23amixfix []V7V21IapathV0V22V23FFIaminV21V6V7FAainv_succV0V8V6V7AainvV0V8V6V7FIainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -877,7 +877,7 @@
         locfile="../dijkstra.mlw"
         loclnum="186" loccnumb="6" loccnume="24"
         expl="1. loop invariant preservation"
-        sum="14bce55ec811943a50f73cb4fdd8ce2d"
+        sum="9483f539f18804361662dbd25035db9c"
         proved="true"
         expanded="false"
         shape="loop invariant preservationainv_succ2V0V12V19V20V11V17Iainfix &lt;=amixfix []V20V18ainfix +amixfix []V20V11aweightV11V18Iainfix =V20amixfix [&lt;-]V15V18ainfix +amixfix []V15V11aweightV11V18Aainfix =V19aaddV18V14ANamemV18V14ANamemV18V12Oainfix =V20amixfix [&lt;-]V15V18ainfix +amixfix []V15V11aweightV11V18Aainfix =V19V14Aainfix &lt;ainfix +amixfix []V15V11aweightV11V18amixfix []V15V18AamemV18V19Oainfix =V20V15Aainfix =V19V14Aainfix &gt;=ainfix +amixfix []V20V11aweightV11V18amixfix []V20V18AamemV18V19Oainfix =V20V15Aainfix =V19V14AamemV18V12FIainfix =V17aremoveV18V13AamemV18V13FFINais_emptyV13Iainfix =V16aTrueINais_emptyV13qainfix =V16aTrueFIainv_succ2V0V12V14V15V11V13AainvV0V12V14V15AasubsetV13ag_succV11FIainfix =V12aaddV11V8FIashortest_pathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6AaminV11V6V7FFINais_emptyV6INainfix =V9aTrueIais_emptyV6qainfix =V9aTrueFIamemV22V8Iainfix &lt;V23amixfix []V7V21IapathV0V22V23FFIaminV21V6V7FAainv_succV0V8V6V7AainvV0V8V6V7FIainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -892,7 +892,7 @@
           locfile="../dijkstra.mlw"
           loclnum="186" loccnumb="6" loccnume="24"
           expl="1. loop invariant preservation"
-          sum="195f5dd79cc45928d8f115636492271c"
+          sum="2f46e4848e670b9e2486247ad16b6fd9"
           proved="true"
           expanded="false"
           shape="loop invariant preservationainfix &lt;=amixfix []V20V22ainfix +amixfix []V20V21aweightV21V22AamemV22V19OamemV22V12INamemV22V17Aainfix =V21V11ONainfix =V21V11IamemV22ag_succV21FIamemV21V12FIainfix =amixfix []V20V18ainfix +amixfix []V20V11aweightV11V18Oainfix &lt;amixfix []V20V18ainfix +amixfix []V20V11aweightV11V18Iainfix =V20asetV15V18ainfix +amixfix []V15V11aweightV11V18Aainfix =V19aaddV18V14ANamemV18V14ANamemV18V12Oainfix =V20asetV15V18ainfix +amixfix []V15V11aweightV11V18Aainfix =V19V14Aainfix &lt;ainfix +amixfix []V15V11aweightV11V18amixfix []V15V18AamemV18V19Oainfix =V20V15Aainfix =V19V14Aainfix &lt;=amixfix []V20V18ainfix +amixfix []V20V11aweightV11V18AamemV18V19Oainfix =V20V15Aainfix =V19V14AamemV18V12FIainfix =V17aremoveV18V13AamemV18V13FFINNamemV23V13FIainfix =V16aTrueINNamemV24V13Fqainfix =V16aTrueFIainfix &lt;=amixfix []V15V26ainfix +amixfix []V15V25aweightV25V26AamemV26V14OamemV26V12INamemV26V13Aainfix =V25V11ONainfix =V25V11IamemV26ag_succV25FIamemV25V12FAapathV0V27amixfix []V15V27IamemV27V14FAashortest_pathV0V28amixfix []V15V28IamemV28V12FAfIamemV29V12IamemV29V14FAasubsetV14avAasubsetV12avAainfix =amixfix []V15V0c0Aainv_srcV0V12V14AamemV30ag_succV11IamemV30V13FFIainfix =V12aaddV11V8FIainfix &lt;=amixfix []V7V11V31IapathV0V11V31FAapathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6Aainfix &lt;=amixfix []V7V11amixfix []V7V32IamemV32V6FAamemV11V6FFINNamemV33V6FINainfix =V9aTrueINamemV34V6Fqainfix =V9aTrueFIamemV36V8Iainfix &lt;V37amixfix []V7V35IapathV0V36V37FFIainfix &lt;=amixfix []V7V35amixfix []V7V38IamemV38V6FAamemV35V6FAainfix &lt;=amixfix []V7V40ainfix +amixfix []V7V39aweightV39V40AamemV40V6OamemV40V8IamemV40ag_succV39FIamemV39V8FAapathV0V41amixfix []V7V41IamemV41V6FAashortest_pathV0V42amixfix []V7V42IamemV42V8FAfIamemV43V8IamemV43V6FAasubsetV6avAasubsetV8avAainfix =amixfix []V7V0c0Aainv_srcV0V8V6FIainfix =V4asetV2V0c0Aainfix =V3aaddV0aemptyANamemV44V5FFIamemV1avAamemV0avFF">
@@ -907,7 +907,7 @@
             locfile="../dijkstra.mlw"
             loclnum="186" loccnumb="6" loccnume="24"
             expl="1. loop invariant preservation"
-            sum="82e919ce96053ff607f9cf289745b49b"
+            sum="c05bb1b7ea8d6b35988e526b8007b2b3"
             proved="true"
             expanded="false"
             shape="loop invariant preservationamemV22V19OamemV22V12INamemV22V17Aainfix =V21V11ONainfix =V21V11IamemV22ag_succV21FIamemV21V12FIainfix =amixfix []V20V18ainfix +amixfix []V20V11aweightV11V18Oainfix &lt;amixfix []V20V18ainfix +amixfix []V20V11aweightV11V18Iainfix =V20asetV15V18ainfix +amixfix []V15V11aweightV11V18Aainfix =V19aaddV18V14ANamemV18V14ANamemV18V12Oainfix =V20asetV15V18ainfix +amixfix []V15V11aweightV11V18Aainfix =V19V14Aainfix &lt;ainfix +amixfix []V15V11aweightV11V18amixfix []V15V18AamemV18V19Oainfix =V20V15Aainfix =V19V14Aainfix &lt;=amixfix []V20V18ainfix +amixfix []V20V11aweightV11V18AamemV18V19Oainfix =V20V15Aainfix =V19V14AamemV18V12FIainfix =V17aremoveV18V13AamemV18V13FFINNamemV23V13FIainfix =V16aTrueINNamemV24V13Fqainfix =V16aTrueFIainfix &lt;=amixfix []V15V26ainfix +amixfix []V15V25aweightV25V26AamemV26V14OamemV26V12INamemV26V13Aainfix =V25V11ONainfix =V25V11IamemV26ag_succV25FIamemV25V12FAapathV0V27amixfix []V15V27IamemV27V14FAashortest_pathV0V28amixfix []V15V28IamemV28V12FAfIamemV29V12IamemV29V14FAasubsetV14avAasubsetV12avAainfix =amixfix []V15V0c0Aainv_srcV0V12V14AamemV30ag_succV11IamemV30V13FFIainfix =V12aaddV11V8FIainfix &lt;=amixfix []V7V11V31IapathV0V11V31FAapathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6Aainfix &lt;=amixfix []V7V11amixfix []V7V32IamemV32V6FAamemV11V6FFINNamemV33V6FINainfix =V9aTrueINamemV34V6Fqainfix =V9aTrueFIamemV36V8Iainfix &lt;V37amixfix []V7V35IapathV0V36V37FFIainfix &lt;=amixfix []V7V35amixfix []V7V38IamemV38V6FAamemV35V6FAainfix &lt;=amixfix []V7V40ainfix +amixfix []V7V39aweightV39V40AamemV40V6OamemV40V8IamemV40ag_succV39FIamemV39V8FAapathV0V41amixfix []V7V41IamemV41V6FAashortest_pathV0V42amixfix []V7V42IamemV42V8FAfIamemV43V8IamemV43V6FAasubsetV6avAasubsetV8avAainfix =amixfix []V7V0c0Aainv_srcV0V8V6FIainfix =V4asetV2V0c0Aainfix =V3aaddV0aemptyANamemV44V5FFIamemV1avAamemV0avFF">
@@ -935,7 +935,7 @@
             locfile="../dijkstra.mlw"
             loclnum="186" loccnumb="6" loccnume="24"
             expl="2. loop invariant preservation"
-            sum="6354d02e0df1e1c003740babe34b8600"
+            sum="da7f2b663e44a59fd0cd07d8ffe6ccae"
             proved="true"
             expanded="false"
             shape="loop invariant preservationainfix &lt;=amixfix []V20V22ainfix +amixfix []V20V21aweightV21V22INamemV22V17Aainfix =V21V11ONainfix =V21V11IamemV22ag_succV21FIamemV21V12FIainfix =amixfix []V20V18ainfix +amixfix []V20V11aweightV11V18Oainfix &lt;amixfix []V20V18ainfix +amixfix []V20V11aweightV11V18Iainfix =V20asetV15V18ainfix +amixfix []V15V11aweightV11V18Aainfix =V19aaddV18V14ANamemV18V14ANamemV18V12Oainfix =V20asetV15V18ainfix +amixfix []V15V11aweightV11V18Aainfix =V19V14Aainfix &lt;ainfix +amixfix []V15V11aweightV11V18amixfix []V15V18AamemV18V19Oainfix =V20V15Aainfix =V19V14Aainfix &lt;=amixfix []V20V18ainfix +amixfix []V20V11aweightV11V18AamemV18V19Oainfix =V20V15Aainfix =V19V14AamemV18V12FIainfix =V17aremoveV18V13AamemV18V13FFINNamemV23V13FIainfix =V16aTrueINNamemV24V13Fqainfix =V16aTrueFIainfix &lt;=amixfix []V15V26ainfix +amixfix []V15V25aweightV25V26AamemV26V14OamemV26V12INamemV26V13Aainfix =V25V11ONainfix =V25V11IamemV26ag_succV25FIamemV25V12FAapathV0V27amixfix []V15V27IamemV27V14FAashortest_pathV0V28amixfix []V15V28IamemV28V12FAfIamemV29V12IamemV29V14FAasubsetV14avAasubsetV12avAainfix =amixfix []V15V0c0Aainv_srcV0V12V14AamemV30ag_succV11IamemV30V13FFIainfix =V12aaddV11V8FIainfix &lt;=amixfix []V7V11V31IapathV0V11V31FAapathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6Aainfix &lt;=amixfix []V7V11amixfix []V7V32IamemV32V6FAamemV11V6FFINNamemV33V6FINainfix =V9aTrueINamemV34V6Fqainfix =V9aTrueFIamemV36V8Iainfix &lt;V37amixfix []V7V35IapathV0V36V37FFIainfix &lt;=amixfix []V7V35amixfix []V7V38IamemV38V6FAamemV35V6FAainfix &lt;=amixfix []V7V40ainfix +amixfix []V7V39aweightV39V40AamemV40V6OamemV40V8IamemV40ag_succV39FIamemV39V8FAapathV0V41amixfix []V7V41IamemV41V6FAashortest_pathV0V42amixfix []V7V42IamemV42V8FAfIamemV43V8IamemV43V6FAasubsetV6avAasubsetV8avAainfix =amixfix []V7V0c0Aainv_srcV0V8V6FIainfix =V4asetV2V0c0Aainfix =V3aaddV0aemptyANamemV44V5FFIamemV1avAamemV0avFF">
@@ -961,7 +961,7 @@
       locfile="../dijkstra.mlw"
       loclnum="186" loccnumb="6" loccnume="24"
       expl="14. loop variant decrease"
-      sum="8089a6296c5ae1f695beee9ecd974fe1"
+      sum="83bb63d1e01524394e2a9725de6d877a"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix &lt;acardinalV17acardinalV13Aainfix &lt;=c0acardinalV13Iainfix &lt;=amixfix []V20V18ainfix +amixfix []V20V11aweightV11V18Iainfix =V20amixfix [&lt;-]V15V18ainfix +amixfix []V15V11aweightV11V18Aainfix =V19aaddV18V14ANamemV18V14ANamemV18V12Oainfix =V20amixfix [&lt;-]V15V18ainfix +amixfix []V15V11aweightV11V18Aainfix =V19V14Aainfix &lt;ainfix +amixfix []V15V11aweightV11V18amixfix []V15V18AamemV18V19Oainfix =V20V15Aainfix =V19V14Aainfix &gt;=ainfix +amixfix []V20V11aweightV11V18amixfix []V20V18AamemV18V19Oainfix =V20V15Aainfix =V19V14AamemV18V12FIainfix =V17aremoveV18V13AamemV18V13FFINais_emptyV13Iainfix =V16aTrueINais_emptyV13qainfix =V16aTrueFIainv_succ2V0V12V14V15V11V13AainvV0V12V14V15AasubsetV13ag_succV11FIainfix =V12aaddV11V8FIashortest_pathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6AaminV11V6V7FFINais_emptyV6INainfix =V9aTrueIais_emptyV6qainfix =V9aTrueFIamemV22V8Iainfix &lt;V23amixfix []V7V21IapathV0V22V23FFIaminV21V6V7FAainv_succV0V8V6V7AainvV0V8V6V7FIainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -981,7 +981,7 @@
       locfile="../dijkstra.mlw"
       loclnum="186" loccnumb="6" loccnume="24"
       expl="15. loop invariant preservation"
-      sum="16502117b52fe62f3bfaa92e3c476ac5"
+      sum="95a26016c2603a787b9c23b98ab3fe9c"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainvV0V12V14V15INainfix =V16aTrueINais_emptyV13qainfix =V16aTrueFIainv_succ2V0V12V14V15V11V13AainvV0V12V14V15AasubsetV13ag_succV11FIainfix =V12aaddV11V8FIashortest_pathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6AaminV11V6V7FFINais_emptyV6INainfix =V9aTrueIais_emptyV6qainfix =V9aTrueFIamemV18V8Iainfix &lt;V19amixfix []V7V17IapathV0V18V19FFIaminV17V6V7FAainv_succV0V8V6V7AainvV0V8V6V7FIainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -1001,7 +1001,7 @@
       locfile="../dijkstra.mlw"
       loclnum="186" loccnumb="6" loccnume="24"
       expl="16. loop invariant preservation"
-      sum="ad4e22e169f5244bfbcfc0686ba79737"
+      sum="f4debf1d8015987c4443d70072d33c9a"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainv_succV0V12V14V15INainfix =V16aTrueINais_emptyV13qainfix =V16aTrueFIainv_succ2V0V12V14V15V11V13AainvV0V12V14V15AasubsetV13ag_succV11FIainfix =V12aaddV11V8FIashortest_pathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6AaminV11V6V7FFINais_emptyV6INainfix =V9aTrueIais_emptyV6qainfix =V9aTrueFIamemV18V8Iainfix &lt;V19amixfix []V7V17IapathV0V18V19FFIaminV17V6V7FAainv_succV0V8V6V7AainvV0V8V6V7FIainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -1021,7 +1021,7 @@
       locfile="../dijkstra.mlw"
       loclnum="186" loccnumb="6" loccnume="24"
       expl="17. loop invariant preservation"
-      sum="2ecc4cd44e19cc580e718e65e2cf05a6"
+      sum="0a471bb518f36050715a539b05469cd0"
       proved="true"
       expanded="true"
       shape="loop invariant preservationamemV18V12Iainfix &lt;V19amixfix []V15V17IapathV0V18V19FFIaminV17V14V15FINainfix =V16aTrueINais_emptyV13qainfix =V16aTrueFIainv_succ2V0V12V14V15V11V13AainvV0V12V14V15AasubsetV13ag_succV11FIainfix =V12aaddV11V8FIashortest_pathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6AaminV11V6V7FFINais_emptyV6INainfix =V9aTrueIais_emptyV6qainfix =V9aTrueFIamemV21V8Iainfix &lt;V22amixfix []V7V20IapathV0V21V22FFIaminV20V6V7FAainv_succV0V8V6V7AainvV0V8V6V7FIainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -1042,7 +1042,7 @@
       locfile="../dijkstra.mlw"
       loclnum="186" loccnumb="6" loccnume="24"
       expl="18. loop variant decrease"
-      sum="5d9b75c8f1c60185252ed063365f10e0"
+      sum="bcf15b41440a0bd3f0f6d518774c4589"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix &lt;ainfix -acardinalavacardinalV12ainfix -acardinalavacardinalV8Aainfix &lt;=c0ainfix -acardinalavacardinalV8INainfix =V16aTrueINais_emptyV13qainfix =V16aTrueFIainv_succ2V0V12V14V15V11V13AainvV0V12V14V15AasubsetV13ag_succV11FIainfix =V12aaddV11V8FIashortest_pathV0V11amixfix []V7V11Iainfix =V10aremoveV11V6AaminV11V6V7FFINais_emptyV6INainfix =V9aTrueIais_emptyV6qainfix =V9aTrueFIamemV18V8Iainfix &lt;V19amixfix []V7V17IapathV0V18V19FFIaminV17V6V7FAainv_succV0V8V6V7AainvV0V8V6V7FIainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -1062,7 +1062,7 @@
       locfile="../dijkstra.mlw"
       loclnum="186" loccnumb="6" loccnume="24"
       expl="19. postcondition"
-      sum="5c304b583be1bac418291f32669b8f25"
+      sum="87dfd8c083e2d3055ee93a451e8f59e8"
       proved="true"
       expanded="false"
       shape="postconditionashortest_pathV0V10amixfix []V7V10IamemV10V8FINNainfix =V9aTrueIais_emptyV6qainfix =V9aTrueFIamemV12V8Iainfix &lt;V13amixfix []V7V11IapathV0V12V13FFIaminV11V6V7FAainv_succV0V8V6V7AainvV0V8V6V7FIainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
@@ -1082,7 +1082,7 @@
       locfile="../dijkstra.mlw"
       loclnum="186" loccnumb="6" loccnume="24"
       expl="20. postcondition"
-      sum="4854e30b61848288f32b790be7733aa4"
+      sum="1a41494fb9a22dbdf2c766c868364dd2"
       proved="true"
       expanded="false"
       shape="postconditionNapathV0V10V11FINamemV10V8FINNainfix =V9aTrueIais_emptyV6qainfix =V9aTrueFIamemV13V8Iainfix &lt;V14amixfix []V7V12IapathV0V13V14FFIaminV12V6V7FAainv_succV0V8V6V7AainvV0V8V6V7FIainfix =V4amixfix [&lt;-]V2V0c0Aainfix =V3aaddV0aemptyAais_emptyV5FIamemV1avAamemV0avFF">
diff --git a/examples/division/why3session.xml b/examples/division/why3session.xml
index dc9e85204dd3684f8f44ee5d50d184b175250d86..280757460dd62e8f3fb83e5302eaa2b75ecafa26 100644
--- a/examples/division/why3session.xml
+++ b/examples/division/why3session.xml
@@ -20,7 +20,7 @@
     locfile="../division.mlw"
     loclnum="9" loccnumb="6" loccnume="14"
     expl="VC for division"
-    sum="d3b226e27a4e0acecc1bb23ea145e836"
+    sum="17325b12d2a5ee97ba9722c3e954bfbb"
     proved="true"
     expanded="true"
     shape="iainfix &lt;V4V1Aainfix &lt;=c0V4Aainfix =ainfix +ainfix *V3V1V4V0Eainfix &lt;V6V2Aainfix &lt;=c0V2Aainfix &lt;=c0V6Aainfix =ainfix +ainfix *V5V1V6V0Iainfix =V6ainfix -V2V1FIainfix =V5ainfix +V3c1Fainfix &gt;=V2V1Iainfix &lt;=c0V2Aainfix =ainfix +ainfix *V3V1V2V0FAainfix &lt;=c0V0Aainfix =ainfix +ainfix *c0V1V0V0Iainfix &lt;c0V1Aainfix &lt;=c0V0F">
@@ -35,7 +35,7 @@
       locfile="../division.mlw"
       loclnum="9" loccnumb="6" loccnume="14"
       expl="1. loop invariant init"
-      sum="52122f915616a89df4442b60734b4888"
+      sum="23210e55ab366e193f6469f3dd8a7dc9"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix &lt;=c0V0Aainfix =ainfix +ainfix *c0V1V0V0Iainfix &lt;c0V1Aainfix &lt;=c0V0F">
@@ -55,7 +55,7 @@
       locfile="../division.mlw"
       loclnum="9" loccnumb="6" loccnume="14"
       expl="2. loop invariant preservation"
-      sum="51eb50ac0b43bdf79bd3f69e91199fe9"
+      sum="4f68a1a401e16e01cbc0584a2d13e5a8"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &lt;=c0V5Aainfix =ainfix +ainfix *V4V1V5V0Iainfix =V5ainfix -V2V1FIainfix =V4ainfix +V3c1FIainfix &gt;=V2V1Iainfix &lt;=c0V2Aainfix =ainfix +ainfix *V3V1V2V0FIainfix &lt;c0V1Aainfix &lt;=c0V0F">
@@ -75,7 +75,7 @@
       locfile="../division.mlw"
       loclnum="9" loccnumb="6" loccnume="14"
       expl="3. loop variant decrease"
-      sum="70714135f606957803eaea8368919b09"
+      sum="dbc2a65014dce06f159a71dd16dc7fff"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix &lt;V5V2Aainfix &lt;=c0V2Iainfix =V5ainfix -V2V1FIainfix =V4ainfix +V3c1FIainfix &gt;=V2V1Iainfix &lt;=c0V2Aainfix =ainfix +ainfix *V3V1V2V0FIainfix &lt;c0V1Aainfix &lt;=c0V0F">
@@ -95,7 +95,7 @@
       locfile="../division.mlw"
       loclnum="9" loccnumb="6" loccnume="14"
       expl="4. postcondition"
-      sum="8c80cc7291c854f28a428fb703341268"
+      sum="0e720ad9c169791b83d053e9325c9ee3"
       proved="true"
       expanded="true"
       shape="postconditionainfix &lt;V4V1Aainfix &lt;=c0V4Aainfix =ainfix +ainfix *V3V1V4V0EINainfix &gt;=V2V1Iainfix &lt;=c0V2Aainfix =ainfix +ainfix *V3V1V2V0FIainfix &lt;c0V1Aainfix &lt;=c0V0F">
diff --git a/examples/edit_distance/why3session.xml b/examples/edit_distance/why3session.xml
index bde8486f442b087a4d5f07550d5e7f8befc4291d..f03bd0f21e290f8bc76469864be439c662139082 100644
--- a/examples/edit_distance/why3session.xml
+++ b/examples/edit_distance/why3session.xml
@@ -238,7 +238,7 @@
     name="suffix_length"
     locfile="../edit_distance.mlw"
     loclnum="128" loccnumb="8" loccnume="21"
-    sum="103e1aad9817ee154cd69ec0ac890608"
+    sum="e938bb6136c3a783028bb6e0bfca44e3"
     proved="true"
     expanded="true"
     shape="ainfix =alengthasuffixV0V1ainfix -alengthV0V1Iainfix &lt;=V1alengthV0Aainfix &lt;=c0V1F">
@@ -257,7 +257,7 @@
     locfile="../edit_distance.mlw"
     loclnum="139" loccnumb="6" loccnume="14"
     expl="VC for distance"
-    sum="bbb625c2fc31f4c0e38f64447cb664e2"
+    sum="3b343b49391f7993084529fd362354bb"
     proved="true"
     expanded="true"
     shape="amin_distasuffixV5c0asuffixV4c0agetV9c0Aainfix &lt;c0V6Aainfix &lt;=c0c0Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +ainfix -c0c1c1asuffixV4V10agetV9V10Iainfix &lt;=V10V2Aainfix &lt;=c0V10FAamin_distasuffixV5ainfix +ainfix -V11c1c1asuffixV4V16agetV15V16Iainfix &lt;=V16V2Aainfix &lt;=c0V16FIamin_distasuffixV5ainfix +V11c1asuffixV4ainfix +ainfix -c0c1c1V14Aamin_distasuffixV5ainfix +V11c1asuffixV4V17agetV15V17Iainfix &lt;=V17ainfix -c0c1Aainfix &lt;=c0V17FAamin_distasuffixV5V11asuffixV4V18agetV15V18Iainfix &lt;=V18V2Aainfix &lt;ainfix -c0c1V18FAiamin_distasuffixV5ainfix +V11c1asuffixV4ainfix +ainfix -V19c1c1V20Aamin_distasuffixV5ainfix +V11c1asuffixV4V23agetV22V23Iainfix &lt;=V23ainfix -V19c1Aainfix &lt;=c0V23FAamin_distasuffixV5V11asuffixV4V24agetV22V24Iainfix &lt;=V24V2Aainfix &lt;ainfix -V19c1V24FIainfix =V22asetV15V19ainfix +aminagetV15V19agetV15V21c1Aainfix &lt;=c0V6FAainfix &lt;V19V6Aainfix &lt;=c0V19Aainfix &lt;V19V6Aainfix &lt;=c0V19Aainfix &lt;V21V6Aainfix &lt;=c0V21Lainfix +V19c1amin_distasuffixV5ainfix +V11c1asuffixV4ainfix +ainfix -V19c1c1V20Aamin_distasuffixV5ainfix +V11c1asuffixV4V26agetV25V26Iainfix &lt;=V26ainfix -V19c1Aainfix &lt;=c0V26FAamin_distasuffixV5V11asuffixV4V27agetV25V27Iainfix &lt;=V27V2Aainfix &lt;ainfix -V19c1V27FIainfix =V25asetV15V19V14Aainfix &lt;=c0V6FAainfix &lt;V19V6Aainfix &lt;=c0V19ainfix =agetV1V11agetV3V19Aainfix &lt;V11V0Aainfix &lt;=c0V11Aainfix &lt;V19V2Aainfix &lt;=c0V19Iainfix =V20agetV15V19FAainfix &lt;V19V6Aainfix &lt;=c0V19Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V11c1asuffixV4ainfix +V19c1V14Aamin_distasuffixV5ainfix +V11c1asuffixV4V28agetV15V28Iainfix &lt;=V28V19Aainfix &lt;=c0V28FAamin_distasuffixV5V11asuffixV4V29agetV15V29Iainfix &lt;=V29V2Aainfix &lt;V19V29FIainfix &gt;=V19c0Aainfix &gt;=V13V19FFAamin_distasuffixV5ainfix +V11c1asuffixV4ainfix +V13c1agetV9V2Aamin_distasuffixV5ainfix +V11c1asuffixV4V30agetV12V30Iainfix &lt;=V30V13Aainfix &lt;=c0V30FAamin_distasuffixV5V11asuffixV4V31agetV12V31Iainfix &lt;=V31V2Aainfix &lt;V13V31FIainfix &gt;=V13c0Aamin_distasuffixV5ainfix +ainfix -V11c1c1asuffixV4V32agetV12V32Iainfix &lt;=V32V2Aainfix &lt;=c0V32FIainfix &lt;V13c0Lainfix -V2c1Iainfix =V12asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FAainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V11c1asuffixV4V33agetV9V33Iainfix &lt;=V33V2Aainfix &lt;=c0V33FIainfix &gt;=V11c0Aainfix &gt;=V8V11FFAamin_distasuffixV5ainfix +V8c1asuffixV4V34agetV7V34Iainfix &lt;=V34V2Aainfix &lt;=c0V34FIainfix &gt;=V8c0Aamin_distasuffixV5c0asuffixV4c0agetV7c0Aainfix &lt;c0V6Aainfix &lt;=c0c0Aainfix &lt;=c0V6Iainfix &lt;V8c0Lainfix -V0c1Iainfix =agetV7V35ainfix -V2V35Iainfix &lt;V35ainfix +V2c1Aainfix &lt;=c0V35FAainfix =agetV37V38ainfix -V2V38Iainfix &lt;V38ainfix +V36c1Aainfix &lt;=c0V38FIainfix =V37asetV7V36ainfix -V2V36Aainfix &lt;=c0V6FAainfix &lt;V36V6Aainfix &lt;=c0V36Aainfix &lt;=c0V6Iainfix =agetV7V39ainfix -V2V39Iainfix &lt;V39V36Aainfix &lt;=c0V39FIainfix &lt;=V36V2Aainfix &lt;=c0V36FFAainfix =agetaconstc0V40ainfix -V2V40Iainfix &lt;V40c0Aainfix &lt;=c0V40FIainfix &lt;=c0V2Aamin_distasuffixV5c0asuffixV4c0agetV42c0Aainfix &lt;c0V6Aainfix &lt;=c0c0Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +ainfix -c0c1c1asuffixV4V43agetV42V43Iainfix &lt;=V43V2Aainfix &lt;=c0V43FAamin_distasuffixV5ainfix +ainfix -V44c1c1asuffixV4V49agetV48V49Iainfix &lt;=V49V2Aainfix &lt;=c0V49FIamin_distasuffixV5ainfix +V44c1asuffixV4ainfix +ainfix -c0c1c1V47Aamin_distasuffixV5ainfix +V44c1asuffixV4V50agetV48V50Iainfix &lt;=V50ainfix -c0c1Aainfix &lt;=c0V50FAamin_distasuffixV5V44asuffixV4V51agetV48V51Iainfix &lt;=V51V2Aainfix &lt;ainfix -c0c1V51FAiamin_distasuffixV5ainfix +V44c1asuffixV4ainfix +ainfix -V52c1c1V53Aamin_distasuffixV5ainfix +V44c1asuffixV4V56agetV55V56Iainfix &lt;=V56ainfix -V52c1Aainfix &lt;=c0V56FAamin_distasuffixV5V44asuffixV4V57agetV55V57Iainfix &lt;=V57V2Aainfix &lt;ainfix -V52c1V57FIainfix =V55asetV48V52ainfix +aminagetV48V52agetV48V54c1Aainfix &lt;=c0V6FAainfix &lt;V52V6Aainfix &lt;=c0V52Aainfix &lt;V52V6Aainfix &lt;=c0V52Aainfix &lt;V54V6Aainfix &lt;=c0V54Lainfix +V52c1amin_distasuffixV5ainfix +V44c1asuffixV4ainfix +ainfix -V52c1c1V53Aamin_distasuffixV5ainfix +V44c1asuffixV4V59agetV58V59Iainfix &lt;=V59ainfix -V52c1Aainfix &lt;=c0V59FAamin_distasuffixV5V44asuffixV4V60agetV58V60Iainfix &lt;=V60V2Aainfix &lt;ainfix -V52c1V60FIainfix =V58asetV48V52V47Aainfix &lt;=c0V6FAainfix &lt;V52V6Aainfix &lt;=c0V52ainfix =agetV1V44agetV3V52Aainfix &lt;V44V0Aainfix &lt;=c0V44Aainfix &lt;V52V2Aainfix &lt;=c0V52Iainfix =V53agetV48V52FAainfix &lt;V52V6Aainfix &lt;=c0V52Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V44c1asuffixV4ainfix +V52c1V47Aamin_distasuffixV5ainfix +V44c1asuffixV4V61agetV48V61Iainfix &lt;=V61V52Aainfix &lt;=c0V61FAamin_distasuffixV5V44asuffixV4V62agetV48V62Iainfix &lt;=V62V2Aainfix &lt;V52V62FIainfix &gt;=V52c0Aainfix &gt;=V46V52FFAamin_distasuffixV5ainfix +V44c1asuffixV4ainfix +V46c1agetV42V2Aamin_distasuffixV5ainfix +V44c1asuffixV4V63agetV45V63Iainfix &lt;=V63V46Aainfix &lt;=c0V63FAamin_distasuffixV5V44asuffixV4V64agetV45V64Iainfix &lt;=V64V2Aainfix &lt;V46V64FIainfix &gt;=V46c0Aamin_distasuffixV5ainfix +ainfix -V44c1c1asuffixV4V65agetV45V65Iainfix &lt;=V65V2Aainfix &lt;=c0V65FIainfix &lt;V46c0Lainfix -V2c1Iainfix =V45asetV42V2ainfix +agetV42V2c1Aainfix &lt;=c0V6FAainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V44c1asuffixV4V66agetV42V66Iainfix &lt;=V66V2Aainfix &lt;=c0V66FIainfix &gt;=V44c0Aainfix &gt;=V41V44FFAamin_distasuffixV5ainfix +V41c1asuffixV4V67agetaconstc0V67Iainfix &lt;=V67V2Aainfix &lt;=c0V67FIainfix &gt;=V41c0Aamin_distasuffixV5c0asuffixV4c0agetaconstc0c0Aainfix &lt;c0V6Aainfix &lt;=c0c0Iainfix &lt;V41c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Aainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -271,11 +271,11 @@
       name="WP_parameter distance.1"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="1. precondition"
-      sum="141fa8283011007b73136c4b9994e585"
+      expl="1. array creation size"
+      sum="700b5492bd67232f3d47dc7ccfedbd04"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="array creation sizeainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
@@ -291,20 +291,20 @@
       name="WP_parameter distance.2"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="2. precondition"
-      sum="1817646a723397cc1ee3af5363465838"
+      expl="2. index in array bounds"
+      sum="d270745fe5c89897c504817bf3a728f4"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;c0V6Aainfix &lt;=c0c0Iainfix &lt;V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;c0V6Aainfix &lt;=c0c0Iainfix &lt;V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
        prover="0"
-       timelimit="30"
-       memlimit="0"
+       timelimit="5"
+       memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.02"/>
+       <result status="valid" time="0.01"/>
       </proof>
      </goal>
      <goal
@@ -312,7 +312,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="3. postcondition"
-      sum="e7694937dd19426b23fef1ae473b1229"
+      sum="4968572d08fba8822fdaa8cbbe2a9b8f"
       proved="true"
       expanded="true"
       shape="postconditionamin_distasuffixV5c0asuffixV4c0agetaconstc0c0Iainfix &lt;c0V6Aainfix &lt;=c0c0Iainfix &lt;V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -332,7 +332,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="4. loop invariant init"
-      sum="f85954f67724f57349e24fec22f0e551"
+      sum="019bae2d7be58caaec3694699f7b737e"
       proved="true"
       expanded="true"
       shape="loop invariant initamin_distasuffixV5ainfix +V7c1asuffixV4V8agetaconstc0V8Iainfix &lt;=V8V2Aainfix &lt;=c0V8FIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -352,7 +352,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="5. type invariant"
-      sum="a184c7c32f3f1bfc6b7a78993c692204"
+      sum="7798fd6adb753d9eec5a8f6d753d59f3"
       proved="true"
       expanded="true"
       shape="type invariantainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V10agetV8V10Iainfix &lt;=V10V2Aainfix &lt;=c0V10FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -371,11 +371,11 @@
       name="WP_parameter distance.6"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="6. precondition"
-      sum="e49e40d2e48128d1946e5cd4f0b6c055"
+      expl="6. index in array bounds"
+      sum="67c8233cde34d88da403e7754d4c639f"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V10agetV8V10Iainfix &lt;=V10V2Aainfix &lt;=c0V10FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V10agetV8V10Iainfix &lt;=V10V2Aainfix &lt;=c0V10FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
@@ -384,18 +384,18 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.02"/>
+       <result status="valid" time="0.01"/>
       </proof>
      </goal>
      <goal
       name="WP_parameter distance.7"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="7. precondition"
-      sum="d1734bffba6a40371f66be0a2cfc1dd1"
+      expl="7. index in array bounds"
+      sum="343fb6aafa304c0b34ae1fe143229d6c"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V10agetV8V10Iainfix &lt;=V10V2Aainfix &lt;=c0V10FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V10agetV8V10Iainfix &lt;=V10V2Aainfix &lt;=c0V10FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
@@ -411,11 +411,11 @@
       name="WP_parameter distance.8"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="8. precondition"
-      sum="ac4ca8e4f38502563c9090ed55cf27c9"
+      expl="8. index in array bounds"
+      sum="ff57a1877f7e3b2e59f93ed7a4b8c083"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V10agetV8V10Iainfix &lt;=V10V2Aainfix &lt;=c0V10FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V10agetV8V10Iainfix &lt;=V10V2Aainfix &lt;=c0V10FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
@@ -424,7 +424,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.01"/>
+       <result status="valid" time="0.02"/>
       </proof>
      </goal>
      <goal
@@ -432,7 +432,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="9. loop invariant preservation"
-      sum="87fb3cd443b73e96605806433b005801"
+      sum="e68caf8074a79a31c76e0902f180b656"
       proved="true"
       expanded="true"
       shape="loop invariant preservationamin_distasuffixV5ainfix +ainfix -V9c1c1asuffixV4V12agetV10V12Iainfix &lt;=V12V2Aainfix &lt;=c0V12FIainfix &lt;V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V13agetV8V13Iainfix &lt;=V13V2Aainfix &lt;=c0V13FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -452,7 +452,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="10. loop invariant init"
-      sum="79265a146c5dcf65e412d5957e522a22"
+      sum="0f2d4a2f35264cb2cd82d9a901506869"
       proved="true"
       expanded="true"
       shape="loop invariant initamin_distasuffixV5V9asuffixV4V12agetV10V12Iainfix &lt;=V12V2Aainfix &lt;V11V12FIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V13agetV8V13Iainfix &lt;=V13V2Aainfix &lt;=c0V13FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -472,7 +472,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="11. loop invariant init"
-      sum="2f553ac1e15c01fd789d6abc0d719c3b"
+      sum="7b06b2d0a45cbcc32abf92c451533589"
       proved="true"
       expanded="true"
       shape="loop invariant initamin_distasuffixV5ainfix +V9c1asuffixV4V12agetV10V12Iainfix &lt;=V12V11Aainfix &lt;=c0V12FIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V13agetV8V13Iainfix &lt;=V13V2Aainfix &lt;=c0V13FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -508,7 +508,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="12. loop invariant init"
-      sum="3db1d320072b3ceba22dfa281f8508fb"
+      sum="85ae30e9270c91ed871cb841b2647843"
       proved="true"
       expanded="true"
       shape="loop invariant initamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V11c1agetV8V2Iainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V12agetV8V12Iainfix &lt;=V12V2Aainfix &lt;=c0V12FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -528,7 +528,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="13. type invariant"
-      sum="6854abec4d852cee6205caaea9959ad9"
+      sum="f243ef7dea6029da00c16547e835df18"
       proved="true"
       expanded="true"
       shape="type invariantainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V14c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V15agetV13V15Iainfix &lt;=V15V14Aainfix &lt;=c0V15FAamin_distasuffixV5V9asuffixV4V16agetV13V16Iainfix &lt;=V16V2Aainfix &lt;V14V16FIainfix &gt;=V14c0Aainfix &gt;=V11V14FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V17agetV8V17Iainfix &lt;=V17V2Aainfix &lt;=c0V17FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -547,51 +547,51 @@
       name="WP_parameter distance.14"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="14. precondition"
-      sum="1c671e90cbdbea571e5e68e017ba7aa1"
+      expl="14. index in array bounds"
+      sum="55f1d057185962f9bf5aa6a7328d19d8"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V14V6Aainfix &lt;=c0V14Iainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V14c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V15agetV13V15Iainfix &lt;=V15V14Aainfix &lt;=c0V15FAamin_distasuffixV5V9asuffixV4V16agetV13V16Iainfix &lt;=V16V2Aainfix &lt;V14V16FIainfix &gt;=V14c0Aainfix &gt;=V11V14FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V17agetV8V17Iainfix &lt;=V17V2Aainfix &lt;=c0V17FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;V14V6Aainfix &lt;=c0V14Iainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V14c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V15agetV13V15Iainfix &lt;=V15V14Aainfix &lt;=c0V15FAamin_distasuffixV5V9asuffixV4V16agetV13V16Iainfix &lt;=V16V2Aainfix &lt;V14V16FIainfix &gt;=V14c0Aainfix &gt;=V11V14FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V17agetV8V17Iainfix &lt;=V17V2Aainfix &lt;=c0V17FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
        prover="0"
-       timelimit="5"
-       memlimit="1000"
+       timelimit="30"
+       memlimit="0"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.01"/>
+       <result status="valid" time="0.02"/>
       </proof>
      </goal>
      <goal
       name="WP_parameter distance.15"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="15. precondition"
-      sum="86882de53bb8ad6736a86e186d48ad7d"
+      expl="15. index in array bounds"
+      sum="339c1da011ac59aa78e6b55482988c53"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V14V2Aainfix &lt;=c0V14Iainfix =V15agetV13V14FIainfix &lt;V14V6Aainfix &lt;=c0V14Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V14c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V16agetV13V16Iainfix &lt;=V16V14Aainfix &lt;=c0V16FAamin_distasuffixV5V9asuffixV4V17agetV13V17Iainfix &lt;=V17V2Aainfix &lt;V14V17FIainfix &gt;=V14c0Aainfix &gt;=V11V14FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V18agetV8V18Iainfix &lt;=V18V2Aainfix &lt;=c0V18FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;V14V2Aainfix &lt;=c0V14Iainfix =V15agetV13V14FIainfix &lt;V14V6Aainfix &lt;=c0V14Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V14c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V16agetV13V16Iainfix &lt;=V16V14Aainfix &lt;=c0V16FAamin_distasuffixV5V9asuffixV4V17agetV13V17Iainfix &lt;=V17V2Aainfix &lt;V14V17FIainfix &gt;=V14c0Aainfix &gt;=V11V14FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V18agetV8V18Iainfix &lt;=V18V2Aainfix &lt;=c0V18FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
        prover="0"
-       timelimit="5"
-       memlimit="1000"
+       timelimit="30"
+       memlimit="0"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.02"/>
+       <result status="valid" time="0.01"/>
       </proof>
      </goal>
      <goal
       name="WP_parameter distance.16"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="16. precondition"
-      sum="6830eda940a8fa1387e551697a801cb9"
+      expl="16. index in array bounds"
+      sum="261d5b228cdd2428df7b5954c75df67a"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V9V0Aainfix &lt;=c0V9Iainfix &lt;V14V2Aainfix &lt;=c0V14Iainfix =V15agetV13V14FIainfix &lt;V14V6Aainfix &lt;=c0V14Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V14c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V16agetV13V16Iainfix &lt;=V16V14Aainfix &lt;=c0V16FAamin_distasuffixV5V9asuffixV4V17agetV13V17Iainfix &lt;=V17V2Aainfix &lt;V14V17FIainfix &gt;=V14c0Aainfix &gt;=V11V14FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V18agetV8V18Iainfix &lt;=V18V2Aainfix &lt;=c0V18FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;V9V0Aainfix &lt;=c0V9Iainfix &lt;V14V2Aainfix &lt;=c0V14Iainfix =V15agetV13V14FIainfix &lt;V14V6Aainfix &lt;=c0V14Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V14c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V16agetV13V16Iainfix &lt;=V16V14Aainfix &lt;=c0V16FAamin_distasuffixV5V9asuffixV4V17agetV13V17Iainfix &lt;=V17V2Aainfix &lt;V14V17FIainfix &gt;=V14c0Aainfix &gt;=V11V14FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V18agetV8V18Iainfix &lt;=V18V2Aainfix &lt;=c0V18FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
@@ -600,18 +600,18 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.02"/>
+       <result status="valid" time="0.01"/>
       </proof>
      </goal>
      <goal
       name="WP_parameter distance.17"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="17. precondition"
-      sum="2a7440dd4cb380250924f5c12d866c3f"
+      expl="17. index in array bounds"
+      sum="77a1484566f6df23975935eeb79b6ff4"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V14V6Aainfix &lt;=c0V14Iainfix =agetV1V9agetV3V14Iainfix &lt;V9V0Aainfix &lt;=c0V9Iainfix &lt;V14V2Aainfix &lt;=c0V14Iainfix =V15agetV13V14FIainfix &lt;V14V6Aainfix &lt;=c0V14Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V14c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V16agetV13V16Iainfix &lt;=V16V14Aainfix &lt;=c0V16FAamin_distasuffixV5V9asuffixV4V17agetV13V17Iainfix &lt;=V17V2Aainfix &lt;V14V17FIainfix &gt;=V14c0Aainfix &gt;=V11V14FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V18agetV8V18Iainfix &lt;=V18V2Aainfix &lt;=c0V18FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;V14V6Aainfix &lt;=c0V14Iainfix =agetV1V9agetV3V14Iainfix &lt;V9V0Aainfix &lt;=c0V9Iainfix &lt;V14V2Aainfix &lt;=c0V14Iainfix =V15agetV13V14FIainfix &lt;V14V6Aainfix &lt;=c0V14Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V14c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V16agetV13V16Iainfix &lt;=V16V14Aainfix &lt;=c0V16FAamin_distasuffixV5V9asuffixV4V17agetV13V17Iainfix &lt;=V17V2Aainfix &lt;V14V17FIainfix &gt;=V14c0Aainfix &gt;=V11V14FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V18agetV8V18Iainfix &lt;=V18V2Aainfix &lt;=c0V18FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
@@ -620,7 +620,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.02"/>
+       <result status="valid" time="0.01"/>
       </proof>
      </goal>
      <goal
@@ -628,7 +628,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="18. loop invariant preservation"
-      sum="abe4400a9e1dba482e7058f8d6e5fe71"
+      sum="f446923a3f4c5437e97126eb61291572"
       proved="true"
       expanded="true"
       shape="loop invariant preservationamin_distasuffixV5V9asuffixV4V17agetV16V17Iainfix &lt;=V17V2Aainfix &lt;ainfix -V14c1V17FIainfix =V16asetV13V14V12Aainfix &lt;=c0V6FIainfix &lt;V14V6Aainfix &lt;=c0V14Iainfix =agetV1V9agetV3V14Iainfix &lt;V9V0Aainfix &lt;=c0V9Iainfix &lt;V14V2Aainfix &lt;=c0V14Iainfix =V15agetV13V14FIainfix &lt;V14V6Aainfix &lt;=c0V14Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V14c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V18agetV13V18Iainfix &lt;=V18V14Aainfix &lt;=c0V18FAamin_distasuffixV5V9asuffixV4V19agetV13V19Iainfix &lt;=V19V2Aainfix &lt;V14V19FIainfix &gt;=V14c0Aainfix &gt;=V11V14FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V20agetV8V20Iainfix &lt;=V20V2Aainfix &lt;=c0V20FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -648,7 +648,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="19. loop invariant preservation"
-      sum="289dbbc6d9c44ef19298c9cd1245c22a"
+      sum="728897bda24718a5a322398f3feb6a23"
       proved="true"
       expanded="true"
       shape="loop invariant preservationamin_distasuffixV5ainfix +V9c1asuffixV4V17agetV16V17Iainfix &lt;=V17ainfix -V14c1Aainfix &lt;=c0V17FIainfix =V16asetV13V14V12Aainfix &lt;=c0V6FIainfix &lt;V14V6Aainfix &lt;=c0V14Iainfix =agetV1V9agetV3V14Iainfix &lt;V9V0Aainfix &lt;=c0V9Iainfix &lt;V14V2Aainfix &lt;=c0V14Iainfix =V15agetV13V14FIainfix &lt;V14V6Aainfix &lt;=c0V14Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V14c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V18agetV13V18Iainfix &lt;=V18V14Aainfix &lt;=c0V18FAamin_distasuffixV5V9asuffixV4V19agetV13V19Iainfix &lt;=V19V2Aainfix &lt;V14V19FIainfix &gt;=V14c0Aainfix &gt;=V11V14FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V20agetV8V20Iainfix &lt;=V20V2Aainfix &lt;=c0V20FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -668,7 +668,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="20. loop invariant preservation"
-      sum="69ee89936ae5f1e2019260e487dc107a"
+      sum="dd8ff08d178bd7ecefdd9469d89b5917"
       proved="true"
       expanded="true"
       shape="loop invariant preservationamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +ainfix -V14c1c1V15Iainfix =V16asetV13V14V12Aainfix &lt;=c0V6FIainfix &lt;V14V6Aainfix &lt;=c0V14Iainfix =agetV1V9agetV3V14Iainfix &lt;V9V0Aainfix &lt;=c0V9Iainfix &lt;V14V2Aainfix &lt;=c0V14Iainfix =V15agetV13V14FIainfix &lt;V14V6Aainfix &lt;=c0V14Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V14c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V17agetV13V17Iainfix &lt;=V17V14Aainfix &lt;=c0V17FAamin_distasuffixV5V9asuffixV4V18agetV13V18Iainfix &lt;=V18V2Aainfix &lt;V14V18FIainfix &gt;=V14c0Aainfix &gt;=V11V14FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V19agetV8V19Iainfix &lt;=V19V2Aainfix &lt;=c0V19FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -687,11 +687,11 @@
       name="WP_parameter distance.21"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="21. precondition"
-      sum="408e95c18d4045b695767a20c61a7a18"
+      expl="21. index in array bounds"
+      sum="c7c63c61fc586c0ffc94f7d6142282c2"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V16V6Aainfix &lt;=c0V16Lainfix +V14c1INainfix =agetV1V9agetV3V14Iainfix &lt;V9V0Aainfix &lt;=c0V9Iainfix &lt;V14V2Aainfix &lt;=c0V14Iainfix =V15agetV13V14FIainfix &lt;V14V6Aainfix &lt;=c0V14Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V14c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V17agetV13V17Iainfix &lt;=V17V14Aainfix &lt;=c0V17FAamin_distasuffixV5V9asuffixV4V18agetV13V18Iainfix &lt;=V18V2Aainfix &lt;V14V18FIainfix &gt;=V14c0Aainfix &gt;=V11V14FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V19agetV8V19Iainfix &lt;=V19V2Aainfix &lt;=c0V19FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;V16V6Aainfix &lt;=c0V16Lainfix +V14c1INainfix =agetV1V9agetV3V14Iainfix &lt;V9V0Aainfix &lt;=c0V9Iainfix &lt;V14V2Aainfix &lt;=c0V14Iainfix =V15agetV13V14FIainfix &lt;V14V6Aainfix &lt;=c0V14Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V14c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V17agetV13V17Iainfix &lt;=V17V14Aainfix &lt;=c0V17FAamin_distasuffixV5V9asuffixV4V18agetV13V18Iainfix &lt;=V18V2Aainfix &lt;V14V18FIainfix &gt;=V14c0Aainfix &gt;=V11V14FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V19agetV8V19Iainfix &lt;=V19V2Aainfix &lt;=c0V19FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
@@ -707,11 +707,11 @@
       name="WP_parameter distance.22"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="22. precondition"
-      sum="deaff5a2d2f501471ffa8a54ff034c79"
+      expl="22. index in array bounds"
+      sum="46ea47313886210fa6cfde74a9fba896"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V14V6Aainfix &lt;=c0V14Iainfix &lt;V16V6Aainfix &lt;=c0V16Lainfix +V14c1INainfix =agetV1V9agetV3V14Iainfix &lt;V9V0Aainfix &lt;=c0V9Iainfix &lt;V14V2Aainfix &lt;=c0V14Iainfix =V15agetV13V14FIainfix &lt;V14V6Aainfix &lt;=c0V14Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V14c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V17agetV13V17Iainfix &lt;=V17V14Aainfix &lt;=c0V17FAamin_distasuffixV5V9asuffixV4V18agetV13V18Iainfix &lt;=V18V2Aainfix &lt;V14V18FIainfix &gt;=V14c0Aainfix &gt;=V11V14FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V19agetV8V19Iainfix &lt;=V19V2Aainfix &lt;=c0V19FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;V14V6Aainfix &lt;=c0V14Iainfix &lt;V16V6Aainfix &lt;=c0V16Lainfix +V14c1INainfix =agetV1V9agetV3V14Iainfix &lt;V9V0Aainfix &lt;=c0V9Iainfix &lt;V14V2Aainfix &lt;=c0V14Iainfix =V15agetV13V14FIainfix &lt;V14V6Aainfix &lt;=c0V14Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V14c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V17agetV13V17Iainfix &lt;=V17V14Aainfix &lt;=c0V17FAamin_distasuffixV5V9asuffixV4V18agetV13V18Iainfix &lt;=V18V2Aainfix &lt;V14V18FIainfix &gt;=V14c0Aainfix &gt;=V11V14FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V19agetV8V19Iainfix &lt;=V19V2Aainfix &lt;=c0V19FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
@@ -720,24 +720,24 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.01"/>
+       <result status="valid" time="0.02"/>
       </proof>
      </goal>
      <goal
       name="WP_parameter distance.23"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="23. precondition"
-      sum="8765f44d8a0dc2ae85abf2e6e96fae02"
+      expl="23. index in array bounds"
+      sum="eb9bb891baf0dffc80705ba728db6c4e"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V14V6Aainfix &lt;=c0V14Iainfix &lt;V14V6Aainfix &lt;=c0V14Iainfix &lt;V16V6Aainfix &lt;=c0V16Lainfix +V14c1INainfix =agetV1V9agetV3V14Iainfix &lt;V9V0Aainfix &lt;=c0V9Iainfix &lt;V14V2Aainfix &lt;=c0V14Iainfix =V15agetV13V14FIainfix &lt;V14V6Aainfix &lt;=c0V14Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V14c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V17agetV13V17Iainfix &lt;=V17V14Aainfix &lt;=c0V17FAamin_distasuffixV5V9asuffixV4V18agetV13V18Iainfix &lt;=V18V2Aainfix &lt;V14V18FIainfix &gt;=V14c0Aainfix &gt;=V11V14FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V19agetV8V19Iainfix &lt;=V19V2Aainfix &lt;=c0V19FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;V14V6Aainfix &lt;=c0V14Iainfix &lt;V14V6Aainfix &lt;=c0V14Iainfix &lt;V16V6Aainfix &lt;=c0V16Lainfix +V14c1INainfix =agetV1V9agetV3V14Iainfix &lt;V9V0Aainfix &lt;=c0V9Iainfix &lt;V14V2Aainfix &lt;=c0V14Iainfix =V15agetV13V14FIainfix &lt;V14V6Aainfix &lt;=c0V14Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V14c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V17agetV13V17Iainfix &lt;=V17V14Aainfix &lt;=c0V17FAamin_distasuffixV5V9asuffixV4V18agetV13V18Iainfix &lt;=V18V2Aainfix &lt;V14V18FIainfix &gt;=V14c0Aainfix &gt;=V11V14FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V19agetV8V19Iainfix &lt;=V19V2Aainfix &lt;=c0V19FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
        prover="0"
-       timelimit="5"
-       memlimit="1000"
+       timelimit="30"
+       memlimit="0"
        obsolete="false"
        archived="false">
        <result status="valid" time="0.01"/>
@@ -748,7 +748,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="24. loop invariant preservation"
-      sum="f8757aeed9271cab98fee2dcbf56cf20"
+      sum="ec1d2d72e389d334d41fa37815ce56a4"
       proved="true"
       expanded="true"
       shape="loop invariant preservationamin_distasuffixV5V9asuffixV4V18agetV17V18Iainfix &lt;=V18V2Aainfix &lt;ainfix -V14c1V18FIainfix =V17asetV13V14ainfix +aminagetV13V14agetV13V16c1Aainfix &lt;=c0V6FIainfix &lt;V14V6Aainfix &lt;=c0V14Iainfix &lt;V14V6Aainfix &lt;=c0V14Iainfix &lt;V16V6Aainfix &lt;=c0V16Lainfix +V14c1INainfix =agetV1V9agetV3V14Iainfix &lt;V9V0Aainfix &lt;=c0V9Iainfix &lt;V14V2Aainfix &lt;=c0V14Iainfix =V15agetV13V14FIainfix &lt;V14V6Aainfix &lt;=c0V14Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V14c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V19agetV13V19Iainfix &lt;=V19V14Aainfix &lt;=c0V19FAamin_distasuffixV5V9asuffixV4V20agetV13V20Iainfix &lt;=V20V2Aainfix &lt;V14V20FIainfix &gt;=V14c0Aainfix &gt;=V11V14FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V21agetV8V21Iainfix &lt;=V21V2Aainfix &lt;=c0V21FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -768,7 +768,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="25. loop invariant preservation"
-      sum="9bb8692479137c23bb650a605f286798"
+      sum="0a14832b71af0c697e6ece7077f4485d"
       proved="true"
       expanded="true"
       shape="loop invariant preservationamin_distasuffixV5ainfix +V9c1asuffixV4V18agetV17V18Iainfix &lt;=V18ainfix -V14c1Aainfix &lt;=c0V18FIainfix =V17asetV13V14ainfix +aminagetV13V14agetV13V16c1Aainfix &lt;=c0V6FIainfix &lt;V14V6Aainfix &lt;=c0V14Iainfix &lt;V14V6Aainfix &lt;=c0V14Iainfix &lt;V16V6Aainfix &lt;=c0V16Lainfix +V14c1INainfix =agetV1V9agetV3V14Iainfix &lt;V9V0Aainfix &lt;=c0V9Iainfix &lt;V14V2Aainfix &lt;=c0V14Iainfix =V15agetV13V14FIainfix &lt;V14V6Aainfix &lt;=c0V14Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V14c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V19agetV13V19Iainfix &lt;=V19V14Aainfix &lt;=c0V19FAamin_distasuffixV5V9asuffixV4V20agetV13V20Iainfix &lt;=V20V2Aainfix &lt;V14V20FIainfix &gt;=V14c0Aainfix &gt;=V11V14FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V21agetV8V21Iainfix &lt;=V21V2Aainfix &lt;=c0V21FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -788,7 +788,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="26. loop invariant preservation"
-      sum="2c5634812c47343f6481d4a1655dcef1"
+      sum="040ae86d6da905afc7d2029afcee5533"
       proved="true"
       expanded="true"
       shape="loop invariant preservationamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +ainfix -V14c1c1V15Iainfix =V17asetV13V14ainfix +aminagetV13V14agetV13V16c1Aainfix &lt;=c0V6FIainfix &lt;V14V6Aainfix &lt;=c0V14Iainfix &lt;V14V6Aainfix &lt;=c0V14Iainfix &lt;V16V6Aainfix &lt;=c0V16Lainfix +V14c1INainfix =agetV1V9agetV3V14Iainfix &lt;V9V0Aainfix &lt;=c0V9Iainfix &lt;V14V2Aainfix &lt;=c0V14Iainfix =V15agetV13V14FIainfix &lt;V14V6Aainfix &lt;=c0V14Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +V14c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V18agetV13V18Iainfix &lt;=V18V14Aainfix &lt;=c0V18FAamin_distasuffixV5V9asuffixV4V19agetV13V19Iainfix &lt;=V19V2Aainfix &lt;V14V19FIainfix &gt;=V14c0Aainfix &gt;=V11V14FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V20agetV8V20Iainfix &lt;=V20V2Aainfix &lt;=c0V20FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -808,7 +808,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="27. loop invariant preservation"
-      sum="e8264d9f94f46ae230ddc1c445ff8103"
+      sum="e6b66c8a226f58d6f326120d976ecf50"
       proved="true"
       expanded="true"
       shape="loop invariant preservationamin_distasuffixV5ainfix +ainfix -V9c1c1asuffixV4V14agetV13V14Iainfix &lt;=V14V2Aainfix &lt;=c0V14FIamin_distasuffixV5ainfix +V9c1asuffixV4ainfix +ainfix -c0c1c1V12Aamin_distasuffixV5ainfix +V9c1asuffixV4V15agetV13V15Iainfix &lt;=V15ainfix -c0c1Aainfix &lt;=c0V15FAamin_distasuffixV5V9asuffixV4V16agetV13V16Iainfix &lt;=V16V2Aainfix &lt;ainfix -c0c1V16FFIainfix &gt;=V11c0Lainfix -V2c1Iainfix =V10asetV8V2ainfix +agetV8V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V9c1asuffixV4V17agetV8V17Iainfix &lt;=V17V2Aainfix &lt;=c0V17FIainfix &gt;=V9c0Aainfix &gt;=V7V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -828,7 +828,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="28. type invariant"
-      sum="76016cbb6326cb78b55424fee5533e91"
+      sum="b987eac95d6105cf712cd4d986f560c0"
       proved="true"
       expanded="true"
       shape="type invariantainfix &lt;=c0V6Iamin_distasuffixV5ainfix +ainfix -c0c1c1asuffixV4V9agetV8V9Iainfix &lt;=V9V2Aainfix &lt;=c0V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -847,20 +847,20 @@
       name="WP_parameter distance.29"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="29. precondition"
-      sum="0a258534db70197723a55bd413d51eb8"
+      expl="29. index in array bounds"
+      sum="7c1071420ee196d43d20ab461aaeca73"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;c0V6Aainfix &lt;=c0c0Iainfix &lt;=c0V6Iamin_distasuffixV5ainfix +ainfix -c0c1c1asuffixV4V9agetV8V9Iainfix &lt;=V9V2Aainfix &lt;=c0V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;c0V6Aainfix &lt;=c0c0Iainfix &lt;=c0V6Iamin_distasuffixV5ainfix +ainfix -c0c1c1asuffixV4V9agetV8V9Iainfix &lt;=V9V2Aainfix &lt;=c0V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
        prover="0"
-       timelimit="30"
-       memlimit="0"
+       timelimit="5"
+       memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.01"/>
+       <result status="valid" time="0.02"/>
       </proof>
      </goal>
      <goal
@@ -868,7 +868,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="30. postcondition"
-      sum="539d92f9f8508e232ef4022f55405d24"
+      sum="da5afe5784df024516bdddbfc8d8ad75"
       proved="true"
       expanded="true"
       shape="postconditionamin_distasuffixV5c0asuffixV4c0agetV8c0Iainfix &lt;c0V6Aainfix &lt;=c0c0Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +ainfix -c0c1c1asuffixV4V9agetV8V9Iainfix &lt;=V9V2Aainfix &lt;=c0V9FFIainfix &gt;=V7c0Lainfix -V0c1Iainfix &gt;c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -888,7 +888,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="31. loop invariant init"
-      sum="c22357f5bbffba884dd385fe9d7d5a54"
+      sum="ab69ed8f3f597d8e59b2323ac9ad04bb"
       proved="true"
       expanded="true"
       shape="loop invariant initainfix =agetaconstc0V7ainfix -V2V7Iainfix &lt;V7c0Aainfix &lt;=c0V7FIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -908,7 +908,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="32. type invariant"
-      sum="7dcd794e3c589c21794186a82f47187b"
+      sum="af9dc0a4f59f4d1073046e4cb6915a7e"
       proved="true"
       expanded="true"
       shape="type invariantainfix &lt;=c0V6Iainfix =agetV7V9ainfix -V2V9Iainfix &lt;V9V8Aainfix &lt;=c0V9FIainfix &lt;=V8V2Aainfix &lt;=c0V8FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -927,11 +927,11 @@
       name="WP_parameter distance.33"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="33. precondition"
-      sum="b57a5bf4f4e6b5bcc996cccdfd35a14a"
+      expl="33. index in array bounds"
+      sum="40f11ec0747b8d37626141fc971020b1"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V8V6Aainfix &lt;=c0V8Iainfix &lt;=c0V6Iainfix =agetV7V9ainfix -V2V9Iainfix &lt;V9V8Aainfix &lt;=c0V9FIainfix &lt;=V8V2Aainfix &lt;=c0V8FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;V8V6Aainfix &lt;=c0V8Iainfix &lt;=c0V6Iainfix =agetV7V9ainfix -V2V9Iainfix &lt;V9V8Aainfix &lt;=c0V9FIainfix &lt;=V8V2Aainfix &lt;=c0V8FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
@@ -940,7 +940,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.01"/>
+       <result status="valid" time="0.02"/>
       </proof>
      </goal>
      <goal
@@ -948,7 +948,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="34. loop invariant preservation"
-      sum="1883d8c7f118802d70966472216c8530"
+      sum="ba4e2e70539f48f467a5d4bbc1699540"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainfix =agetV9V10ainfix -V2V10Iainfix &lt;V10ainfix +V8c1Aainfix &lt;=c0V10FIainfix =V9asetV7V8ainfix -V2V8Aainfix &lt;=c0V6FIainfix &lt;V8V6Aainfix &lt;=c0V8Aainfix &lt;=c0V6Iainfix =agetV7V11ainfix -V2V11Iainfix &lt;V11V8Aainfix &lt;=c0V11FIainfix &lt;=V8V2Aainfix &lt;=c0V8FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -968,7 +968,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="35. type invariant"
-      sum="efe324a193f62192b29808de1aa0fb7e"
+      sum="bdb462883080e107fe1f08d805cff653"
       proved="true"
       expanded="true"
       shape="type invariantainfix &lt;=c0V6Iainfix &lt;V8c0Lainfix -V0c1Iainfix =agetV7V9ainfix -V2V9Iainfix &lt;V9ainfix +V2c1Aainfix &lt;=c0V9FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -987,17 +987,17 @@
       name="WP_parameter distance.36"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="36. precondition"
-      sum="567f62643e63413f7749e856a241b075"
+      expl="36. index in array bounds"
+      sum="f7246cc67c8a41035be6d42c0cecf62f"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;c0V6Aainfix &lt;=c0c0Iainfix &lt;=c0V6Iainfix &lt;V8c0Lainfix -V0c1Iainfix =agetV7V9ainfix -V2V9Iainfix &lt;V9ainfix +V2c1Aainfix &lt;=c0V9FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;c0V6Aainfix &lt;=c0c0Iainfix &lt;=c0V6Iainfix &lt;V8c0Lainfix -V0c1Iainfix =agetV7V9ainfix -V2V9Iainfix &lt;V9ainfix +V2c1Aainfix &lt;=c0V9FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
        prover="0"
-       timelimit="30"
-       memlimit="0"
+       timelimit="5"
+       memlimit="1000"
        obsolete="false"
        archived="false">
        <result status="valid" time="0.01"/>
@@ -1008,7 +1008,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="37. postcondition"
-      sum="6e0f8c4737d6349d591fd372af3ff463"
+      sum="f8f2dee7ed36f50c09b9558e583617ee"
       proved="true"
       expanded="true"
       shape="postconditionamin_distasuffixV5c0asuffixV4c0agetV7c0Iainfix &lt;c0V6Aainfix &lt;=c0c0Aainfix &lt;=c0V6Iainfix &lt;V8c0Lainfix -V0c1Iainfix =agetV7V9ainfix -V2V9Iainfix &lt;V9ainfix +V2c1Aainfix &lt;=c0V9FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -1028,7 +1028,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="38. loop invariant init"
-      sum="0311ed23bc3bd9f6096c35f3dc6d3964"
+      sum="0deafabdd752097bcf69e30581b9e3a2"
       proved="true"
       expanded="true"
       shape="loop invariant initamin_distasuffixV5ainfix +V8c1asuffixV4V9agetV7V9Iainfix &lt;=V9V2Aainfix &lt;=c0V9FIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V10ainfix -V2V10Iainfix &lt;V10ainfix +V2c1Aainfix &lt;=c0V10FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -1048,7 +1048,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="39. type invariant"
-      sum="24919c30eaa5218946e824885fad4410"
+      sum="1366c889fe69494c4e3d1348ec749c4b"
       proved="true"
       expanded="true"
       shape="type invariantainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V11agetV9V11Iainfix &lt;=V11V2Aainfix &lt;=c0V11FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V12ainfix -V2V12Iainfix &lt;V12ainfix +V2c1Aainfix &lt;=c0V12FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -1067,11 +1067,11 @@
       name="WP_parameter distance.40"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="40. precondition"
-      sum="02179a26ecdf8ea18857929461bb3fa8"
+      expl="40. index in array bounds"
+      sum="b21d34be971a60b2017f47d078a8eda7"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V11agetV9V11Iainfix &lt;=V11V2Aainfix &lt;=c0V11FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V12ainfix -V2V12Iainfix &lt;V12ainfix +V2c1Aainfix &lt;=c0V12FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V11agetV9V11Iainfix &lt;=V11V2Aainfix &lt;=c0V11FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V12ainfix -V2V12Iainfix &lt;V12ainfix +V2c1Aainfix &lt;=c0V12FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
@@ -1087,11 +1087,11 @@
       name="WP_parameter distance.41"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="41. precondition"
-      sum="c3a0c9cefc9e969af416201daa9f197f"
+      expl="41. index in array bounds"
+      sum="f239486a44b016b3c5b06255df1b27b5"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V11agetV9V11Iainfix &lt;=V11V2Aainfix &lt;=c0V11FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V12ainfix -V2V12Iainfix &lt;V12ainfix +V2c1Aainfix &lt;=c0V12FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V11agetV9V11Iainfix &lt;=V11V2Aainfix &lt;=c0V11FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V12ainfix -V2V12Iainfix &lt;V12ainfix +V2c1Aainfix &lt;=c0V12FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
@@ -1100,18 +1100,18 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.01"/>
+       <result status="valid" time="0.02"/>
       </proof>
      </goal>
      <goal
       name="WP_parameter distance.42"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="42. precondition"
-      sum="6d0fdb47b35189d8c69856b5489d0af2"
+      expl="42. index in array bounds"
+      sum="8ca726dd769eb505f5202e74e23cdb06"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V11agetV9V11Iainfix &lt;=V11V2Aainfix &lt;=c0V11FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V12ainfix -V2V12Iainfix &lt;V12ainfix +V2c1Aainfix &lt;=c0V12FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V11agetV9V11Iainfix &lt;=V11V2Aainfix &lt;=c0V11FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V12ainfix -V2V12Iainfix &lt;V12ainfix +V2c1Aainfix &lt;=c0V12FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
@@ -1128,7 +1128,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="43. loop invariant preservation"
-      sum="b529dec8d9120666886c3ff01fc22b92"
+      sum="ff97974fc86e3110191d86089bb07315"
       proved="true"
       expanded="true"
       shape="loop invariant preservationamin_distasuffixV5ainfix +ainfix -V10c1c1asuffixV4V13agetV11V13Iainfix &lt;=V13V2Aainfix &lt;=c0V13FIainfix &lt;V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V14agetV9V14Iainfix &lt;=V14V2Aainfix &lt;=c0V14FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V15ainfix -V2V15Iainfix &lt;V15ainfix +V2c1Aainfix &lt;=c0V15FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -1149,7 +1149,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="44. loop invariant init"
-      sum="1c9e5e4518f28eafd6f4172fc41a9be7"
+      sum="79ffbf5d25120a40d1e981a7120c65b1"
       proved="true"
       expanded="true"
       shape="loop invariant initamin_distasuffixV5V10asuffixV4V13agetV11V13Iainfix &lt;=V13V2Aainfix &lt;V12V13FIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V14agetV9V14Iainfix &lt;=V14V2Aainfix &lt;=c0V14FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V15ainfix -V2V15Iainfix &lt;V15ainfix +V2c1Aainfix &lt;=c0V15FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -1169,7 +1169,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="45. loop invariant init"
-      sum="e28db3bff0930c23667d7184ccd17b4a"
+      sum="ef32d609e97b7679d075356a68d5d1ef"
       proved="true"
       expanded="true"
       shape="loop invariant initamin_distasuffixV5ainfix +V10c1asuffixV4V13agetV11V13Iainfix &lt;=V13V12Aainfix &lt;=c0V13FIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V14agetV9V14Iainfix &lt;=V14V2Aainfix &lt;=c0V14FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V15ainfix -V2V15Iainfix &lt;V15ainfix +V2c1Aainfix &lt;=c0V15FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -1189,7 +1189,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="46. loop invariant init"
-      sum="9f566c62409062b939d763defba46833"
+      sum="08e3a251ca0a50c9544601fb7e14befd"
       proved="true"
       expanded="true"
       shape="loop invariant initamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V12c1agetV9V2Iainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V13agetV9V13Iainfix &lt;=V13V2Aainfix &lt;=c0V13FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V14ainfix -V2V14Iainfix &lt;V14ainfix +V2c1Aainfix &lt;=c0V14FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -1209,7 +1209,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="47. type invariant"
-      sum="ee4cb59c88cd2ff57f9a0da111dbbd4c"
+      sum="2aa7f2ffc858b4affc694933d7106886"
       proved="true"
       expanded="true"
       shape="type invariantainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V15c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V16agetV14V16Iainfix &lt;=V16V15Aainfix &lt;=c0V16FAamin_distasuffixV5V10asuffixV4V17agetV14V17Iainfix &lt;=V17V2Aainfix &lt;V15V17FIainfix &gt;=V15c0Aainfix &gt;=V12V15FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V18agetV9V18Iainfix &lt;=V18V2Aainfix &lt;=c0V18FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V19ainfix -V2V19Iainfix &lt;V19ainfix +V2c1Aainfix &lt;=c0V19FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -1228,11 +1228,11 @@
       name="WP_parameter distance.48"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="48. precondition"
-      sum="218cb9211ec9bb7be9bde394698b48f4"
+      expl="48. index in array bounds"
+      sum="a275853eb8bcbe0cb56225acf7cce708"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V15V6Aainfix &lt;=c0V15Iainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V15c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V16agetV14V16Iainfix &lt;=V16V15Aainfix &lt;=c0V16FAamin_distasuffixV5V10asuffixV4V17agetV14V17Iainfix &lt;=V17V2Aainfix &lt;V15V17FIainfix &gt;=V15c0Aainfix &gt;=V12V15FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V18agetV9V18Iainfix &lt;=V18V2Aainfix &lt;=c0V18FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V19ainfix -V2V19Iainfix &lt;V19ainfix +V2c1Aainfix &lt;=c0V19FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;V15V6Aainfix &lt;=c0V15Iainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V15c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V16agetV14V16Iainfix &lt;=V16V15Aainfix &lt;=c0V16FAamin_distasuffixV5V10asuffixV4V17agetV14V17Iainfix &lt;=V17V2Aainfix &lt;V15V17FIainfix &gt;=V15c0Aainfix &gt;=V12V15FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V18agetV9V18Iainfix &lt;=V18V2Aainfix &lt;=c0V18FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V19ainfix -V2V19Iainfix &lt;V19ainfix +V2c1Aainfix &lt;=c0V19FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
@@ -1248,11 +1248,11 @@
       name="WP_parameter distance.49"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="49. precondition"
-      sum="56addf81c92246c0fa8f04178eb840b3"
+      expl="49. index in array bounds"
+      sum="172f9fc26249577a133852ff71cb3f20"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V15V2Aainfix &lt;=c0V15Iainfix =V16agetV14V15FIainfix &lt;V15V6Aainfix &lt;=c0V15Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V15c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V17agetV14V17Iainfix &lt;=V17V15Aainfix &lt;=c0V17FAamin_distasuffixV5V10asuffixV4V18agetV14V18Iainfix &lt;=V18V2Aainfix &lt;V15V18FIainfix &gt;=V15c0Aainfix &gt;=V12V15FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V19agetV9V19Iainfix &lt;=V19V2Aainfix &lt;=c0V19FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V20ainfix -V2V20Iainfix &lt;V20ainfix +V2c1Aainfix &lt;=c0V20FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;V15V2Aainfix &lt;=c0V15Iainfix =V16agetV14V15FIainfix &lt;V15V6Aainfix &lt;=c0V15Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V15c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V17agetV14V17Iainfix &lt;=V17V15Aainfix &lt;=c0V17FAamin_distasuffixV5V10asuffixV4V18agetV14V18Iainfix &lt;=V18V2Aainfix &lt;V15V18FIainfix &gt;=V15c0Aainfix &gt;=V12V15FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V19agetV9V19Iainfix &lt;=V19V2Aainfix &lt;=c0V19FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V20ainfix -V2V20Iainfix &lt;V20ainfix +V2c1Aainfix &lt;=c0V20FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
@@ -1261,38 +1261,38 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.02"/>
+       <result status="valid" time="0.01"/>
       </proof>
      </goal>
      <goal
       name="WP_parameter distance.50"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="50. precondition"
-      sum="3248d1628bd14ec88cdbaf4145610624"
+      expl="50. index in array bounds"
+      sum="98e1a154bbbcc89277d6ed18b5d267f2"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V10V0Aainfix &lt;=c0V10Iainfix &lt;V15V2Aainfix &lt;=c0V15Iainfix =V16agetV14V15FIainfix &lt;V15V6Aainfix &lt;=c0V15Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V15c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V17agetV14V17Iainfix &lt;=V17V15Aainfix &lt;=c0V17FAamin_distasuffixV5V10asuffixV4V18agetV14V18Iainfix &lt;=V18V2Aainfix &lt;V15V18FIainfix &gt;=V15c0Aainfix &gt;=V12V15FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V19agetV9V19Iainfix &lt;=V19V2Aainfix &lt;=c0V19FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V20ainfix -V2V20Iainfix &lt;V20ainfix +V2c1Aainfix &lt;=c0V20FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;V10V0Aainfix &lt;=c0V10Iainfix &lt;V15V2Aainfix &lt;=c0V15Iainfix =V16agetV14V15FIainfix &lt;V15V6Aainfix &lt;=c0V15Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V15c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V17agetV14V17Iainfix &lt;=V17V15Aainfix &lt;=c0V17FAamin_distasuffixV5V10asuffixV4V18agetV14V18Iainfix &lt;=V18V2Aainfix &lt;V15V18FIainfix &gt;=V15c0Aainfix &gt;=V12V15FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V19agetV9V19Iainfix &lt;=V19V2Aainfix &lt;=c0V19FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V20ainfix -V2V20Iainfix &lt;V20ainfix +V2c1Aainfix &lt;=c0V20FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
        prover="0"
-       timelimit="5"
-       memlimit="1000"
+       timelimit="30"
+       memlimit="0"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.01"/>
+       <result status="valid" time="0.02"/>
       </proof>
      </goal>
      <goal
       name="WP_parameter distance.51"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="51. precondition"
-      sum="ebfdf3cfefe75c1563d4569f87a79982"
+      expl="51. index in array bounds"
+      sum="3c16d011738355965ed8dc900de20763"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V15V6Aainfix &lt;=c0V15Iainfix =agetV1V10agetV3V15Iainfix &lt;V10V0Aainfix &lt;=c0V10Iainfix &lt;V15V2Aainfix &lt;=c0V15Iainfix =V16agetV14V15FIainfix &lt;V15V6Aainfix &lt;=c0V15Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V15c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V17agetV14V17Iainfix &lt;=V17V15Aainfix &lt;=c0V17FAamin_distasuffixV5V10asuffixV4V18agetV14V18Iainfix &lt;=V18V2Aainfix &lt;V15V18FIainfix &gt;=V15c0Aainfix &gt;=V12V15FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V19agetV9V19Iainfix &lt;=V19V2Aainfix &lt;=c0V19FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V20ainfix -V2V20Iainfix &lt;V20ainfix +V2c1Aainfix &lt;=c0V20FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;V15V6Aainfix &lt;=c0V15Iainfix =agetV1V10agetV3V15Iainfix &lt;V10V0Aainfix &lt;=c0V10Iainfix &lt;V15V2Aainfix &lt;=c0V15Iainfix =V16agetV14V15FIainfix &lt;V15V6Aainfix &lt;=c0V15Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V15c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V17agetV14V17Iainfix &lt;=V17V15Aainfix &lt;=c0V17FAamin_distasuffixV5V10asuffixV4V18agetV14V18Iainfix &lt;=V18V2Aainfix &lt;V15V18FIainfix &gt;=V15c0Aainfix &gt;=V12V15FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V19agetV9V19Iainfix &lt;=V19V2Aainfix &lt;=c0V19FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V20ainfix -V2V20Iainfix &lt;V20ainfix +V2c1Aainfix &lt;=c0V20FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
@@ -1301,7 +1301,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.01"/>
+       <result status="valid" time="0.02"/>
       </proof>
      </goal>
      <goal
@@ -1309,7 +1309,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="52. loop invariant preservation"
-      sum="ed2e977f594a2c23ad5ff4379c045624"
+      sum="266968dbf080a537823d0b4abd9d345d"
       proved="true"
       expanded="true"
       shape="loop invariant preservationamin_distasuffixV5V10asuffixV4V18agetV17V18Iainfix &lt;=V18V2Aainfix &lt;ainfix -V15c1V18FIainfix =V17asetV14V15V13Aainfix &lt;=c0V6FIainfix &lt;V15V6Aainfix &lt;=c0V15Iainfix =agetV1V10agetV3V15Iainfix &lt;V10V0Aainfix &lt;=c0V10Iainfix &lt;V15V2Aainfix &lt;=c0V15Iainfix =V16agetV14V15FIainfix &lt;V15V6Aainfix &lt;=c0V15Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V15c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V19agetV14V19Iainfix &lt;=V19V15Aainfix &lt;=c0V19FAamin_distasuffixV5V10asuffixV4V20agetV14V20Iainfix &lt;=V20V2Aainfix &lt;V15V20FIainfix &gt;=V15c0Aainfix &gt;=V12V15FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V21agetV9V21Iainfix &lt;=V21V2Aainfix &lt;=c0V21FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V22ainfix -V2V22Iainfix &lt;V22ainfix +V2c1Aainfix &lt;=c0V22FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -1330,7 +1330,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="53. loop invariant preservation"
-      sum="be3557e654b16b36b95ed79aca1c314c"
+      sum="e2075956a920b98ff0da53801b06030b"
       proved="true"
       expanded="true"
       shape="loop invariant preservationamin_distasuffixV5ainfix +V10c1asuffixV4V18agetV17V18Iainfix &lt;=V18ainfix -V15c1Aainfix &lt;=c0V18FIainfix =V17asetV14V15V13Aainfix &lt;=c0V6FIainfix &lt;V15V6Aainfix &lt;=c0V15Iainfix =agetV1V10agetV3V15Iainfix &lt;V10V0Aainfix &lt;=c0V10Iainfix &lt;V15V2Aainfix &lt;=c0V15Iainfix =V16agetV14V15FIainfix &lt;V15V6Aainfix &lt;=c0V15Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V15c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V19agetV14V19Iainfix &lt;=V19V15Aainfix &lt;=c0V19FAamin_distasuffixV5V10asuffixV4V20agetV14V20Iainfix &lt;=V20V2Aainfix &lt;V15V20FIainfix &gt;=V15c0Aainfix &gt;=V12V15FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V21agetV9V21Iainfix &lt;=V21V2Aainfix &lt;=c0V21FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V22ainfix -V2V22Iainfix &lt;V22ainfix +V2c1Aainfix &lt;=c0V22FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -1350,7 +1350,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="54. loop invariant preservation"
-      sum="40e9a0892289e6633f7ceca018f8186e"
+      sum="2124f3b98366e221d6305b2c5f3c6dbe"
       proved="true"
       expanded="true"
       shape="loop invariant preservationamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +ainfix -V15c1c1V16Iainfix =V17asetV14V15V13Aainfix &lt;=c0V6FIainfix &lt;V15V6Aainfix &lt;=c0V15Iainfix =agetV1V10agetV3V15Iainfix &lt;V10V0Aainfix &lt;=c0V10Iainfix &lt;V15V2Aainfix &lt;=c0V15Iainfix =V16agetV14V15FIainfix &lt;V15V6Aainfix &lt;=c0V15Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V15c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V18agetV14V18Iainfix &lt;=V18V15Aainfix &lt;=c0V18FAamin_distasuffixV5V10asuffixV4V19agetV14V19Iainfix &lt;=V19V2Aainfix &lt;V15V19FIainfix &gt;=V15c0Aainfix &gt;=V12V15FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V20agetV9V20Iainfix &lt;=V20V2Aainfix &lt;=c0V20FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V21ainfix -V2V21Iainfix &lt;V21ainfix +V2c1Aainfix &lt;=c0V21FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -1369,11 +1369,11 @@
       name="WP_parameter distance.55"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="55. precondition"
-      sum="e477dac5d597bd7b438aef4f2fd83474"
+      expl="55. index in array bounds"
+      sum="079534b59f525477e6965e47d286d5a8"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V17V6Aainfix &lt;=c0V17Lainfix +V15c1INainfix =agetV1V10agetV3V15Iainfix &lt;V10V0Aainfix &lt;=c0V10Iainfix &lt;V15V2Aainfix &lt;=c0V15Iainfix =V16agetV14V15FIainfix &lt;V15V6Aainfix &lt;=c0V15Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V15c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V18agetV14V18Iainfix &lt;=V18V15Aainfix &lt;=c0V18FAamin_distasuffixV5V10asuffixV4V19agetV14V19Iainfix &lt;=V19V2Aainfix &lt;V15V19FIainfix &gt;=V15c0Aainfix &gt;=V12V15FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V20agetV9V20Iainfix &lt;=V20V2Aainfix &lt;=c0V20FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V21ainfix -V2V21Iainfix &lt;V21ainfix +V2c1Aainfix &lt;=c0V21FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;V17V6Aainfix &lt;=c0V17Lainfix +V15c1INainfix =agetV1V10agetV3V15Iainfix &lt;V10V0Aainfix &lt;=c0V10Iainfix &lt;V15V2Aainfix &lt;=c0V15Iainfix =V16agetV14V15FIainfix &lt;V15V6Aainfix &lt;=c0V15Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V15c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V18agetV14V18Iainfix &lt;=V18V15Aainfix &lt;=c0V18FAamin_distasuffixV5V10asuffixV4V19agetV14V19Iainfix &lt;=V19V2Aainfix &lt;V15V19FIainfix &gt;=V15c0Aainfix &gt;=V12V15FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V20agetV9V20Iainfix &lt;=V20V2Aainfix &lt;=c0V20FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V21ainfix -V2V21Iainfix &lt;V21ainfix +V2c1Aainfix &lt;=c0V21FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
@@ -1389,11 +1389,11 @@
       name="WP_parameter distance.56"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="56. precondition"
-      sum="e3c460a4168abc9f8da4fe69c355ab7c"
+      expl="56. index in array bounds"
+      sum="196e036b62721894b01459280b2711bc"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V15V6Aainfix &lt;=c0V15Iainfix &lt;V17V6Aainfix &lt;=c0V17Lainfix +V15c1INainfix =agetV1V10agetV3V15Iainfix &lt;V10V0Aainfix &lt;=c0V10Iainfix &lt;V15V2Aainfix &lt;=c0V15Iainfix =V16agetV14V15FIainfix &lt;V15V6Aainfix &lt;=c0V15Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V15c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V18agetV14V18Iainfix &lt;=V18V15Aainfix &lt;=c0V18FAamin_distasuffixV5V10asuffixV4V19agetV14V19Iainfix &lt;=V19V2Aainfix &lt;V15V19FIainfix &gt;=V15c0Aainfix &gt;=V12V15FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V20agetV9V20Iainfix &lt;=V20V2Aainfix &lt;=c0V20FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V21ainfix -V2V21Iainfix &lt;V21ainfix +V2c1Aainfix &lt;=c0V21FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;V15V6Aainfix &lt;=c0V15Iainfix &lt;V17V6Aainfix &lt;=c0V17Lainfix +V15c1INainfix =agetV1V10agetV3V15Iainfix &lt;V10V0Aainfix &lt;=c0V10Iainfix &lt;V15V2Aainfix &lt;=c0V15Iainfix =V16agetV14V15FIainfix &lt;V15V6Aainfix &lt;=c0V15Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V15c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V18agetV14V18Iainfix &lt;=V18V15Aainfix &lt;=c0V18FAamin_distasuffixV5V10asuffixV4V19agetV14V19Iainfix &lt;=V19V2Aainfix &lt;V15V19FIainfix &gt;=V15c0Aainfix &gt;=V12V15FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V20agetV9V20Iainfix &lt;=V20V2Aainfix &lt;=c0V20FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V21ainfix -V2V21Iainfix &lt;V21ainfix +V2c1Aainfix &lt;=c0V21FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
@@ -1402,18 +1402,18 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.02"/>
+       <result status="valid" time="0.01"/>
       </proof>
      </goal>
      <goal
       name="WP_parameter distance.57"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="57. precondition"
-      sum="12db102e44ab721e81e536416758e71f"
+      expl="57. index in array bounds"
+      sum="35af5e662f7142feef3ef8791c7e95ed"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V15V6Aainfix &lt;=c0V15Iainfix &lt;V15V6Aainfix &lt;=c0V15Iainfix &lt;V17V6Aainfix &lt;=c0V17Lainfix +V15c1INainfix =agetV1V10agetV3V15Iainfix &lt;V10V0Aainfix &lt;=c0V10Iainfix &lt;V15V2Aainfix &lt;=c0V15Iainfix =V16agetV14V15FIainfix &lt;V15V6Aainfix &lt;=c0V15Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V15c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V18agetV14V18Iainfix &lt;=V18V15Aainfix &lt;=c0V18FAamin_distasuffixV5V10asuffixV4V19agetV14V19Iainfix &lt;=V19V2Aainfix &lt;V15V19FIainfix &gt;=V15c0Aainfix &gt;=V12V15FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V20agetV9V20Iainfix &lt;=V20V2Aainfix &lt;=c0V20FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V21ainfix -V2V21Iainfix &lt;V21ainfix +V2c1Aainfix &lt;=c0V21FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;V15V6Aainfix &lt;=c0V15Iainfix &lt;V15V6Aainfix &lt;=c0V15Iainfix &lt;V17V6Aainfix &lt;=c0V17Lainfix +V15c1INainfix =agetV1V10agetV3V15Iainfix &lt;V10V0Aainfix &lt;=c0V10Iainfix &lt;V15V2Aainfix &lt;=c0V15Iainfix =V16agetV14V15FIainfix &lt;V15V6Aainfix &lt;=c0V15Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V15c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V18agetV14V18Iainfix &lt;=V18V15Aainfix &lt;=c0V18FAamin_distasuffixV5V10asuffixV4V19agetV14V19Iainfix &lt;=V19V2Aainfix &lt;V15V19FIainfix &gt;=V15c0Aainfix &gt;=V12V15FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V20agetV9V20Iainfix &lt;=V20V2Aainfix &lt;=c0V20FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V21ainfix -V2V21Iainfix &lt;V21ainfix +V2c1Aainfix &lt;=c0V21FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
@@ -1430,7 +1430,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="58. loop invariant preservation"
-      sum="fa8ca98be147e11c9927cca9e800de55"
+      sum="fe65a5a30ca8cef61cf8024618cd8c2a"
       proved="true"
       expanded="true"
       shape="loop invariant preservationamin_distasuffixV5V10asuffixV4V19agetV18V19Iainfix &lt;=V19V2Aainfix &lt;ainfix -V15c1V19FIainfix =V18asetV14V15ainfix +aminagetV14V15agetV14V17c1Aainfix &lt;=c0V6FIainfix &lt;V15V6Aainfix &lt;=c0V15Iainfix &lt;V15V6Aainfix &lt;=c0V15Iainfix &lt;V17V6Aainfix &lt;=c0V17Lainfix +V15c1INainfix =agetV1V10agetV3V15Iainfix &lt;V10V0Aainfix &lt;=c0V10Iainfix &lt;V15V2Aainfix &lt;=c0V15Iainfix =V16agetV14V15FIainfix &lt;V15V6Aainfix &lt;=c0V15Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V15c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V20agetV14V20Iainfix &lt;=V20V15Aainfix &lt;=c0V20FAamin_distasuffixV5V10asuffixV4V21agetV14V21Iainfix &lt;=V21V2Aainfix &lt;V15V21FIainfix &gt;=V15c0Aainfix &gt;=V12V15FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V22agetV9V22Iainfix &lt;=V22V2Aainfix &lt;=c0V22FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V23ainfix -V2V23Iainfix &lt;V23ainfix +V2c1Aainfix &lt;=c0V23FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -1451,7 +1451,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="59. loop invariant preservation"
-      sum="20de0a573408a1b783400d0ab843f495"
+      sum="87aa79c68c9ab1bcaa0e6c6c576db1eb"
       proved="true"
       expanded="true"
       shape="loop invariant preservationamin_distasuffixV5ainfix +V10c1asuffixV4V19agetV18V19Iainfix &lt;=V19ainfix -V15c1Aainfix &lt;=c0V19FIainfix =V18asetV14V15ainfix +aminagetV14V15agetV14V17c1Aainfix &lt;=c0V6FIainfix &lt;V15V6Aainfix &lt;=c0V15Iainfix &lt;V15V6Aainfix &lt;=c0V15Iainfix &lt;V17V6Aainfix &lt;=c0V17Lainfix +V15c1INainfix =agetV1V10agetV3V15Iainfix &lt;V10V0Aainfix &lt;=c0V10Iainfix &lt;V15V2Aainfix &lt;=c0V15Iainfix =V16agetV14V15FIainfix &lt;V15V6Aainfix &lt;=c0V15Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V15c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V20agetV14V20Iainfix &lt;=V20V15Aainfix &lt;=c0V20FAamin_distasuffixV5V10asuffixV4V21agetV14V21Iainfix &lt;=V21V2Aainfix &lt;V15V21FIainfix &gt;=V15c0Aainfix &gt;=V12V15FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V22agetV9V22Iainfix &lt;=V22V2Aainfix &lt;=c0V22FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V23ainfix -V2V23Iainfix &lt;V23ainfix +V2c1Aainfix &lt;=c0V23FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -1471,7 +1471,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="60. loop invariant preservation"
-      sum="7cd9f255e734cdaac00d28fd3a1f0c92"
+      sum="44f87ad809daa5a776bea2cb0d9257fc"
       proved="true"
       expanded="true"
       shape="loop invariant preservationamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +ainfix -V15c1c1V16Iainfix =V18asetV14V15ainfix +aminagetV14V15agetV14V17c1Aainfix &lt;=c0V6FIainfix &lt;V15V6Aainfix &lt;=c0V15Iainfix &lt;V15V6Aainfix &lt;=c0V15Iainfix &lt;V17V6Aainfix &lt;=c0V17Lainfix +V15c1INainfix =agetV1V10agetV3V15Iainfix &lt;V10V0Aainfix &lt;=c0V10Iainfix &lt;V15V2Aainfix &lt;=c0V15Iainfix =V16agetV14V15FIainfix &lt;V15V6Aainfix &lt;=c0V15Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +V15c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V19agetV14V19Iainfix &lt;=V19V15Aainfix &lt;=c0V19FAamin_distasuffixV5V10asuffixV4V20agetV14V20Iainfix &lt;=V20V2Aainfix &lt;V15V20FIainfix &gt;=V15c0Aainfix &gt;=V12V15FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V21agetV9V21Iainfix &lt;=V21V2Aainfix &lt;=c0V21FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V22ainfix -V2V22Iainfix &lt;V22ainfix +V2c1Aainfix &lt;=c0V22FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -1491,7 +1491,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="61. loop invariant preservation"
-      sum="d69754933be2208ce689785648fab7b3"
+      sum="150dd37b3a196cfbef517caa8d65db8b"
       proved="true"
       expanded="true"
       shape="loop invariant preservationamin_distasuffixV5ainfix +ainfix -V10c1c1asuffixV4V15agetV14V15Iainfix &lt;=V15V2Aainfix &lt;=c0V15FIamin_distasuffixV5ainfix +V10c1asuffixV4ainfix +ainfix -c0c1c1V13Aamin_distasuffixV5ainfix +V10c1asuffixV4V16agetV14V16Iainfix &lt;=V16ainfix -c0c1Aainfix &lt;=c0V16FAamin_distasuffixV5V10asuffixV4V17agetV14V17Iainfix &lt;=V17V2Aainfix &lt;ainfix -c0c1V17FFIainfix &gt;=V12c0Lainfix -V2c1Iainfix =V11asetV9V2ainfix +agetV9V2c1Aainfix &lt;=c0V6FIainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Iainfix &lt;V2V6Aainfix &lt;=c0V2Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +V10c1asuffixV4V18agetV9V18Iainfix &lt;=V18V2Aainfix &lt;=c0V18FIainfix &gt;=V10c0Aainfix &gt;=V8V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V19ainfix -V2V19Iainfix &lt;V19ainfix +V2c1Aainfix &lt;=c0V19FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -1511,7 +1511,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="62. type invariant"
-      sum="9814340e28ab562d69c17f866fffa00f"
+      sum="3c8b11c1745df7166a85db8fd50ef918"
       proved="true"
       expanded="true"
       shape="type invariantainfix &lt;=c0V6Iamin_distasuffixV5ainfix +ainfix -c0c1c1asuffixV4V10agetV9V10Iainfix &lt;=V10V2Aainfix &lt;=c0V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V11ainfix -V2V11Iainfix &lt;V11ainfix +V2c1Aainfix &lt;=c0V11FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
@@ -1530,20 +1530,20 @@
       name="WP_parameter distance.63"
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
-      expl="63. precondition"
-      sum="2e83435f850fb280173d5796c24c317b"
+      expl="63. index in array bounds"
+      sum="180d9dabb612924faf32200d53f434a5"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;c0V6Aainfix &lt;=c0c0Iainfix &lt;=c0V6Iamin_distasuffixV5ainfix +ainfix -c0c1c1asuffixV4V10agetV9V10Iainfix &lt;=V10V2Aainfix &lt;=c0V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V11ainfix -V2V11Iainfix &lt;V11ainfix +V2c1Aainfix &lt;=c0V11FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
+      shape="index in array boundsainfix &lt;c0V6Aainfix &lt;=c0c0Iainfix &lt;=c0V6Iamin_distasuffixV5ainfix +ainfix -c0c1c1asuffixV4V10agetV9V10Iainfix &lt;=V10V2Aainfix &lt;=c0V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V11ainfix -V2V11Iainfix &lt;V11ainfix +V2c1Aainfix &lt;=c0V11FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
       <label
        name="expl:VC for distance"/>
       <proof
        prover="0"
-       timelimit="30"
-       memlimit="0"
+       timelimit="5"
+       memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.02"/>
+       <result status="valid" time="0.01"/>
       </proof>
      </goal>
      <goal
@@ -1551,7 +1551,7 @@
       locfile="../edit_distance.mlw"
       loclnum="139" loccnumb="6" loccnume="14"
       expl="64. postcondition"
-      sum="9d575a1a33b2eaccc64be7f01a482a2f"
+      sum="e86013baaf9f8f46ec4e6f22551853a8"
       proved="true"
       expanded="true"
       shape="postconditionamin_distasuffixV5c0asuffixV4c0agetV9c0Iainfix &lt;c0V6Aainfix &lt;=c0c0Aainfix &lt;=c0V6Iamin_distasuffixV5ainfix +ainfix -c0c1c1asuffixV4V10agetV9V10Iainfix &lt;=V10V2Aainfix &lt;=c0V10FFIainfix &gt;=V8c0Lainfix -V0c1Iainfix =agetV7V11ainfix -V2V11Iainfix &lt;V11ainfix +V2c1Aainfix &lt;=c0V11FFIainfix &lt;=c0V2Iainfix &lt;=c0V6Iainfix &gt;=V6c0Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &lt;=c0V0Lamk arrayV0V1Lamk arrayV2V3F">
diff --git a/examples/euler001/why3session.xml b/examples/euler001/why3session.xml
index bdb3e12364664a7677d29c5ed8ce92b991b7a571..1c7b1a115222610dd8b89f80f105106a997b22a0 100644
--- a/examples/euler001/why3session.xml
+++ b/examples/euler001/why3session.xml
@@ -696,7 +696,7 @@
      memlimit="1000"
      obsolete="false"
      archived="false">
-     <result status="valid" time="5.45"/>
+     <result status="valid" time="4.68"/>
     </proof>
     <proof
      prover="2"
@@ -984,7 +984,7 @@
     locfile="../euler001.mlw"
     loclnum="163" loccnumb="6" loccnume="11"
     expl="VC for solve"
-    sum="20c2ea3e89c32f328e969b4b2772b83f"
+    sum="53c23f7f6496b3723c58106224ec6ea1"
     proved="true"
     expanded="false"
     shape="ainfix =adivainfix -ainfix +ainfix *ainfix *c3V1ainfix +V1c1ainfix *ainfix *c5V2ainfix +V2c1ainfix *ainfix *c15V3ainfix +V3c1c2asum_multiple_3_5_ltV0Ladivainfix -V0c1c15Ladivainfix -V0c1c5Ladivainfix -V0c1c3Iainfix &gt;=V0c1F">
@@ -1028,7 +1028,7 @@
     locfile="../euler001.mlw"
     loclnum="171" loccnumb="6" loccnume="9"
     expl="VC for run"
-    sum="bbe5e2d9a964f027184aa299c81021f3"
+    sum="d23ff9ccc58983c27e6aa9eee7a9f1af"
     proved="true"
     expanded="false"
     shape="ainfix &gt;=c1000c1">
@@ -1048,7 +1048,7 @@
     locfile="../euler001.mlw"
     loclnum="176" loccnumb="6" loccnume="11"
     expl="VC for bench"
-    sum="7662fc2421c6f5e8f39d962237b5dc0b"
+    sum="0dcae62fb187df85b26250a70b69538d"
     proved="true"
     expanded="false"
     shape="t">
diff --git a/examples/euler002/why3session.xml b/examples/euler002/why3session.xml
index efbdc58497f88315ff2ebee0547ed0da5f52cddc..9e9715a0b1b14a16f09bf660df700e30370c2f1c 100644
--- a/examples/euler002/why3session.xml
+++ b/examples/euler002/why3session.xml
@@ -75,7 +75,7 @@
      edited="euler002_FibOnlyEven_fib_even_1.v"
      obsolete="false"
      archived="false">
-     <result status="valid" time="4.68"/>
+     <result status="valid" time="3.53"/>
     </proof>
    </goal>
    <goal
@@ -141,7 +141,7 @@
     locfile="../euler002.mlw"
     loclnum="71" loccnumb="6" loccnume="7"
     expl="VC for f"
-    sum="e0e3932922620f9c9605c5f565dee169"
+    sum="7e440994953774a48412049bc78f3c70"
     proved="true"
     expanded="true"
     shape="iainfix &gt;afibV6V0Aainfix =V3afib_sum_evenV0V6Eainfix &lt;ainfix -V0V7ainfix -V0V5Aainfix &lt;=c0ainfix -V0V5Aainfix &lt;V7V8Aainfix &lt;=c0V7Aainfix =V9afib_sum_evenV0V11Aainfix =V8afibainfix +V11c3Aainfix =V8afib_evenainfix +V10c1Aainfix =V7afibV11Aainfix =V7afib_evenV10Aainfix &gt;=V11c0Aainfix &gt;=V10c0Iainfix =V11ainfix +V1c3FIainfix =V10ainfix +V2c1FIainfix =V9ainfix +V3V5FIainfix =V8ainfix +ainfix *c4V4V5FIainfix =V7V4Fainfix &lt;=V5V0Iainfix &lt;V5V4Aainfix &lt;=c0V5Aainfix =V3afib_sum_evenV0V1Aainfix =V4afibainfix +V1c3Aainfix =V4afib_evenainfix +V2c1Aainfix =V5afibV1Aainfix =V5afib_evenV2Aainfix &gt;=V1c0Aainfix &gt;=V2c0FAainfix &lt;c0c2Aainfix &lt;=c0c0Aainfix =c0afib_sum_evenV0c0Aainfix =c2afibainfix +c0c3Aainfix =c2afib_evenainfix +c0c1Aainfix =c0afibc0Aainfix =c0afib_evenc0Aainfix &gt;=c0c0Aainfix &gt;=c0c0Iainfix &gt;=V0c0F">
@@ -156,7 +156,7 @@
       locfile="../euler002.mlw"
       loclnum="71" loccnumb="6" loccnume="7"
       expl="1. loop invariant init"
-      sum="157083af493e4e2b4cfeb1c79d64dad3"
+      sum="a06a1919bc43c73270f9b925c9e3142d"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix &gt;=c0c0Iainfix &gt;=V0c0F">
@@ -224,7 +224,7 @@
       locfile="../euler002.mlw"
       loclnum="71" loccnumb="6" loccnume="7"
       expl="2. loop invariant init"
-      sum="157083af493e4e2b4cfeb1c79d64dad3"
+      sum="a06a1919bc43c73270f9b925c9e3142d"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix &gt;=c0c0Iainfix &gt;=V0c0F">
@@ -292,7 +292,7 @@
       locfile="../euler002.mlw"
       loclnum="71" loccnumb="6" loccnume="7"
       expl="3. loop invariant init"
-      sum="878e9fba1b3ff7eecf63f0fe258b79c9"
+      sum="58dd8eb1a1574dfa0b63dfba634cfd7a"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix =c0afib_evenc0Iainfix &gt;=V0c0F">
@@ -360,7 +360,7 @@
       locfile="../euler002.mlw"
       loclnum="71" loccnumb="6" loccnume="7"
       expl="4. loop invariant init"
-      sum="1ac546b946a7a5c74762824d28fe028c"
+      sum="503408b46888fb7654ff1d605480d210"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix =c0afibc0Iainfix &gt;=V0c0F">
@@ -428,7 +428,7 @@
       locfile="../euler002.mlw"
       loclnum="71" loccnumb="6" loccnume="7"
       expl="5. loop invariant init"
-      sum="b315508e6922842af67c779f6e74dd6b"
+      sum="ca8e892194472c208ab7d6d1fed5a3f6"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix =c2afib_evenainfix +c0c1Iainfix &gt;=V0c0F">
@@ -496,7 +496,7 @@
       locfile="../euler002.mlw"
       loclnum="71" loccnumb="6" loccnume="7"
       expl="6. loop invariant init"
-      sum="383a4cd17d1dd2fafa37574a81770bb5"
+      sum="8196cb3bb443adb6c125d8afa271dc17"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix =c2afibainfix +c0c3Iainfix &gt;=V0c0F">
@@ -564,7 +564,7 @@
       locfile="../euler002.mlw"
       loclnum="71" loccnumb="6" loccnume="7"
       expl="7. loop invariant init"
-      sum="54842a0ef286145b033b1e85b4a02567"
+      sum="cda644fe98a58ab3ebd9d1c0421e8713"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix =c0afib_sum_evenV0c0Iainfix &gt;=V0c0F">
@@ -592,7 +592,7 @@
       locfile="../euler002.mlw"
       loclnum="71" loccnumb="6" loccnume="7"
       expl="8. loop invariant init"
-      sum="6e504eb68b7da19ff23807a1fe510b21"
+      sum="28ccab7c5812f638a803cb725b923597"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix &lt;c0c2Aainfix &lt;=c0c0Iainfix &gt;=V0c0F">
@@ -612,7 +612,7 @@
       locfile="../euler002.mlw"
       loclnum="71" loccnumb="6" loccnume="7"
       expl="9. loop invariant preservation"
-      sum="fc4df68bda728107d4f2ae26e383a903"
+      sum="48bc98e0d813d5eaa5764c262327fc04"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &gt;=V9c0Iainfix =V10ainfix +V1c3FIainfix =V9ainfix +V2c1FIainfix =V8ainfix +V3V5FIainfix =V7ainfix +ainfix *c4V4V5FIainfix =V6V4FIainfix &lt;=V5V0Iainfix &lt;V5V4Aainfix &lt;=c0V5Aainfix =V3afib_sum_evenV0V1Aainfix =V4afibainfix +V1c3Aainfix =V4afib_evenainfix +V2c1Aainfix =V5afibV1Aainfix =V5afib_evenV2Aainfix &gt;=V1c0Aainfix &gt;=V2c0FIainfix &gt;=V0c0F">
@@ -680,7 +680,7 @@
       locfile="../euler002.mlw"
       loclnum="71" loccnumb="6" loccnume="7"
       expl="10. loop invariant preservation"
-      sum="dc540ca5077538edb2e494c6d2eeec5a"
+      sum="9aaaacca2101ceeca1a6df9399519265"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &gt;=V10c0Iainfix =V10ainfix +V1c3FIainfix =V9ainfix +V2c1FIainfix =V8ainfix +V3V5FIainfix =V7ainfix +ainfix *c4V4V5FIainfix =V6V4FIainfix &lt;=V5V0Iainfix &lt;V5V4Aainfix &lt;=c0V5Aainfix =V3afib_sum_evenV0V1Aainfix =V4afibainfix +V1c3Aainfix =V4afib_evenainfix +V2c1Aainfix =V5afibV1Aainfix =V5afib_evenV2Aainfix &gt;=V1c0Aainfix &gt;=V2c0FIainfix &gt;=V0c0F">
@@ -748,7 +748,7 @@
       locfile="../euler002.mlw"
       loclnum="71" loccnumb="6" loccnume="7"
       expl="11. loop invariant preservation"
-      sum="d03b09aa7a1e0d863ef10d83474453bf"
+      sum="48f8b7cd93d0cceb027886512de0cfdf"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix =V6afib_evenV9Iainfix =V10ainfix +V1c3FIainfix =V9ainfix +V2c1FIainfix =V8ainfix +V3V5FIainfix =V7ainfix +ainfix *c4V4V5FIainfix =V6V4FIainfix &lt;=V5V0Iainfix &lt;V5V4Aainfix &lt;=c0V5Aainfix =V3afib_sum_evenV0V1Aainfix =V4afibainfix +V1c3Aainfix =V4afib_evenainfix +V2c1Aainfix =V5afibV1Aainfix =V5afib_evenV2Aainfix &gt;=V1c0Aainfix &gt;=V2c0FIainfix &gt;=V0c0F">
@@ -784,7 +784,7 @@
       locfile="../euler002.mlw"
       loclnum="71" loccnumb="6" loccnume="7"
       expl="12. loop invariant preservation"
-      sum="5ddf9c1bd90fe8e45c4b7dfb30d744d7"
+      sum="29cb8fea476940aa251bfacac80d8ec7"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix =V6afibV10Iainfix =V10ainfix +V1c3FIainfix =V9ainfix +V2c1FIainfix =V8ainfix +V3V5FIainfix =V7ainfix +ainfix *c4V4V5FIainfix =V6V4FIainfix &lt;=V5V0Iainfix &lt;V5V4Aainfix &lt;=c0V5Aainfix =V3afib_sum_evenV0V1Aainfix =V4afibainfix +V1c3Aainfix =V4afib_evenainfix +V2c1Aainfix =V5afibV1Aainfix =V5afib_evenV2Aainfix &gt;=V1c0Aainfix &gt;=V2c0FIainfix &gt;=V0c0F">
@@ -844,7 +844,7 @@
       locfile="../euler002.mlw"
       loclnum="71" loccnumb="6" loccnume="7"
       expl="13. loop invariant preservation"
-      sum="91f1c03d05f0d53da16b0df9ada8f20e"
+      sum="1c71520cf095438caa770900967bfcc6"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix =V7afib_evenainfix +V9c1Iainfix =V10ainfix +V1c3FIainfix =V9ainfix +V2c1FIainfix =V8ainfix +V3V5FIainfix =V7ainfix +ainfix *c4V4V5FIainfix =V6V4FIainfix &lt;=V5V0Iainfix &lt;V5V4Aainfix &lt;=c0V5Aainfix =V3afib_sum_evenV0V1Aainfix =V4afibainfix +V1c3Aainfix =V4afib_evenainfix +V2c1Aainfix =V5afibV1Aainfix =V5afib_evenV2Aainfix &gt;=V1c0Aainfix &gt;=V2c0FIainfix &gt;=V0c0F">
@@ -880,7 +880,7 @@
       locfile="../euler002.mlw"
       loclnum="71" loccnumb="6" loccnume="7"
       expl="14. loop invariant preservation"
-      sum="e49b0da99b97c3f38157e169ad121ddf"
+      sum="0f8d3acc30cd3b43ad44bf1a65233088"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix =V7afibainfix +V10c3Iainfix =V10ainfix +V1c3FIainfix =V9ainfix +V2c1FIainfix =V8ainfix +V3V5FIainfix =V7ainfix +ainfix *c4V4V5FIainfix =V6V4FIainfix &lt;=V5V0Iainfix &lt;V5V4Aainfix &lt;=c0V5Aainfix =V3afib_sum_evenV0V1Aainfix =V4afibainfix +V1c3Aainfix =V4afib_evenainfix +V2c1Aainfix =V5afibV1Aainfix =V5afib_evenV2Aainfix &gt;=V1c0Aainfix &gt;=V2c0FIainfix &gt;=V0c0F">
@@ -932,7 +932,7 @@
       locfile="../euler002.mlw"
       loclnum="71" loccnumb="6" loccnume="7"
       expl="15. loop invariant preservation"
-      sum="a4a1cc64a36cffcae1863c2832dc2c89"
+      sum="f5919b489e8e4b2673670a62585e5470"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainfix =V8afib_sum_evenV0V10Iainfix =V10ainfix +V1c3FIainfix =V9ainfix +V2c1FIainfix =V8ainfix +V3V5FIainfix =V7ainfix +ainfix *c4V4V5FIainfix =V6V4FIainfix &lt;=V5V0Iainfix &lt;V5V4Aainfix &lt;=c0V5Aainfix =V3afib_sum_evenV0V1Aainfix =V4afibainfix +V1c3Aainfix =V4afib_evenainfix +V2c1Aainfix =V5afibV1Aainfix =V5afib_evenV2Aainfix &gt;=V1c0Aainfix &gt;=V2c0FIainfix &gt;=V0c0F">
@@ -944,7 +944,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="1.39"/>
+       <result status="valid" time="1.06"/>
       </proof>
       <proof
        prover="3"
@@ -952,7 +952,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="3.50"/>
+       <result status="valid" time="2.60"/>
       </proof>
      </goal>
      <goal
@@ -960,7 +960,7 @@
       locfile="../euler002.mlw"
       loclnum="71" loccnumb="6" loccnume="7"
       expl="16. loop invariant preservation"
-      sum="b1960d51c474866c145dd7404e2fc414"
+      sum="2881e167751f0b1888656088e62e48ba"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &lt;V6V7Aainfix &lt;=c0V6Iainfix =V10ainfix +V1c3FIainfix =V9ainfix +V2c1FIainfix =V8ainfix +V3V5FIainfix =V7ainfix +ainfix *c4V4V5FIainfix =V6V4FIainfix &lt;=V5V0Iainfix &lt;V5V4Aainfix &lt;=c0V5Aainfix =V3afib_sum_evenV0V1Aainfix =V4afibainfix +V1c3Aainfix =V4afib_evenainfix +V2c1Aainfix =V5afibV1Aainfix =V5afib_evenV2Aainfix &gt;=V1c0Aainfix &gt;=V2c0FIainfix &gt;=V0c0F">
@@ -980,7 +980,7 @@
       locfile="../euler002.mlw"
       loclnum="71" loccnumb="6" loccnume="7"
       expl="17. loop variant decrease"
-      sum="797706aea971f0cb0f0a3dcb90fefb38"
+      sum="8e8fa85df1a16e55a56f380ad151d8b7"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix &lt;ainfix -V0V6ainfix -V0V5Aainfix &lt;=c0ainfix -V0V5Iainfix =V10ainfix +V1c3FIainfix =V9ainfix +V2c1FIainfix =V8ainfix +V3V5FIainfix =V7ainfix +ainfix *c4V4V5FIainfix =V6V4FIainfix &lt;=V5V0Iainfix &lt;V5V4Aainfix &lt;=c0V5Aainfix =V3afib_sum_evenV0V1Aainfix =V4afibainfix +V1c3Aainfix =V4afib_evenainfix +V2c1Aainfix =V5afibV1Aainfix =V5afib_evenV2Aainfix &gt;=V1c0Aainfix &gt;=V2c0FIainfix &gt;=V0c0F">
@@ -1000,7 +1000,7 @@
       locfile="../euler002.mlw"
       loclnum="71" loccnumb="6" loccnume="7"
       expl="18. postcondition"
-      sum="ebbde869cce76b99ceed41ae70d8a4a7"
+      sum="20a7c13cb0017d3679085c148eb4dfcb"
       proved="true"
       expanded="false"
       shape="postconditionainfix &gt;afibV6V0Aainfix =V3afib_sum_evenV0V6EINainfix &lt;=V5V0Iainfix &lt;V5V4Aainfix &lt;=c0V5Aainfix =V3afib_sum_evenV0V1Aainfix =V4afibainfix +V1c3Aainfix =V4afib_evenainfix +V2c1Aainfix =V5afibV1Aainfix =V5afib_evenV2Aainfix &gt;=V1c0Aainfix &gt;=V2c0FIainfix &gt;=V0c0F">
@@ -1070,7 +1070,7 @@
     locfile="../euler002.mlw"
     loclnum="98" loccnumb="6" loccnume="9"
     expl="VC for run"
-    sum="01f7f287b6428da8745ab9c42b32bcac"
+    sum="cd4497214b45f4c8dd62b209a7c4c05d"
     proved="true"
     expanded="true"
     shape="ainfix &gt;=c4000000c0">
@@ -1090,7 +1090,7 @@
     locfile="../euler002.mlw"
     loclnum="102" loccnumb="6" loccnume="11"
     expl="VC for bench"
-    sum="921d105c6281a818a73343a83d283f83"
+    sum="76d36ae6d181596ac486c16aa0681d47"
     proved="true"
     expanded="true"
     shape="t">
diff --git a/examples/euler003/why3session.xml b/examples/euler003/why3session.xml
index e2b49d8f2241b951eb52ee510d89dc690b8337c5..d82915cecbbe7a9e53b1c9c60e61dea40f9b8bb6 100644
--- a/examples/euler003/why3session.xml
+++ b/examples/euler003/why3session.xml
@@ -44,7 +44,7 @@
     locfile="../euler003.mlw"
     loclnum="19" loccnumb="8" loccnume="24"
     expl="VC for smallest_divisor"
-    sum="4761d5be084e7a6de8182079b6e06405"
+    sum="5148e7a4e729dac62919ff35357f7209"
     proved="true"
     expanded="false"
     shape="iiNadividesV4V1Iainfix &lt;V4V3Aainfix &lt;=c2V4FAadividesV3V1Aainfix &lt;=V3V1Aainfix &lt;=V0V3INadividesV5V1Iainfix &lt;V5V3Aainfix &lt;=c2V5FAadividesV3V1Aainfix &lt;=V3V1Aainfix &lt;=V2V3FANadividesV6V1Iainfix &lt;V6V2Aainfix &lt;=c2V6FAainfix &lt;=V2V1Aainfix &lt;=c2V2Aainfix &lt;=c2V1Aainfix &lt;ainfix -V1V2ainfix -V1V0Aainfix &lt;=c0ainfix -V1V0Lainfix +V0c1NadividesV7V1Iainfix &lt;V7V0Aainfix &lt;=c2V7FAadividesV0V1Aainfix &lt;=V0V1Aainfix &lt;=V0V0ainfix =amodV1V0c0Aainfix &gt;=V0c2NadividesV8V1Iainfix &lt;V8V1Aainfix &lt;=c2V8FAadividesV1V1Aainfix &lt;=V1V1Aainfix &lt;=V0V1AfAainfix &lt;V10V1Aainfix &gt;=V10c2AfAainfix &gt;=ainfix *V0V9ainfix *V0V0Aainfix &gt;=V1ainfix *V0V9Iainfix &gt;=V10V0Aainfix =ainfix *V10V9V1AadividesV10V1Aainfix =ainfix *V10V9V1LadivV1V9Aainfix &gt;=V9V0IadividesV9V1Aainfix &lt;V9V1Aainfix &lt;=c2V9Fainfix &gt;ainfix *V0V0V1INadividesV11V1Iainfix &lt;V11V0Aainfix &lt;=c2V11FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -59,7 +59,7 @@
       locfile="../euler003.mlw"
       loclnum="19" loccnumb="8" loccnume="24"
       expl="1. assertion"
-      sum="68a049f79ff737130e89702d44bd066a"
+      sum="2bba7a26f99f92d3c4ea1dc601f609c1"
       proved="true"
       expanded="false"
       shape="assertionfAainfix &lt;V3V1Aainfix &gt;=V3c2AfAainfix &gt;=ainfix *V0V2ainfix *V0V0Aainfix &gt;=V1ainfix *V0V2Iainfix &gt;=V3V0Aainfix =ainfix *V3V2V1AadividesV3V1Aainfix =ainfix *V3V2V1LadivV1V2Aainfix &gt;=V2V0IadividesV2V1Aainfix &lt;V2V1Aainfix &lt;=c2V2FIainfix &gt;ainfix *V0V0V1INadividesV4V1Iainfix &lt;V4V0Aainfix &lt;=c2V4FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -74,7 +74,7 @@
         locfile="../euler003.mlw"
         loclnum="19" loccnumb="8" loccnume="24"
         expl="1. assertion"
-        sum="c901e6ddd2b7271f7869b1773d373c37"
+        sum="32824234b61f6f792ecbe86bcad17b68"
         proved="true"
         expanded="false"
         shape="assertionainfix &gt;=V2V0IadividesV2V1Aainfix &lt;V2V1Aainfix &lt;=c2V2FIainfix &gt;ainfix *V0V0V1INadividesV3V1Iainfix &lt;V3V0Aainfix &lt;=c2V3FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -94,7 +94,7 @@
         locfile="../euler003.mlw"
         loclnum="19" loccnumb="8" loccnume="24"
         expl="2. assertion"
-        sum="a80e3ff3c5c67a53cf1b3f3e8a549aa8"
+        sum="824f47baa04cd3df43d9dcb51e99b3f6"
         proved="true"
         expanded="false"
         shape="assertionainfix =ainfix *V3V2V1LadivV1V2Iainfix &gt;=V2V0IadividesV2V1Aainfix &lt;V2V1Aainfix &lt;=c2V2FIainfix &gt;ainfix *V0V0V1INadividesV4V1Iainfix &lt;V4V0Aainfix &lt;=c2V4FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -114,7 +114,7 @@
         locfile="../euler003.mlw"
         loclnum="19" loccnumb="8" loccnume="24"
         expl="3. assertion"
-        sum="5aa11148a4e715ef23587330bc57e6ae"
+        sum="5b7e581efce61165047735554f082451"
         proved="true"
         expanded="false"
         shape="assertionadividesV3V1Iainfix =ainfix *V3V2V1LadivV1V2Iainfix &gt;=V2V0IadividesV2V1Aainfix &lt;V2V1Aainfix &lt;=c2V2FIainfix &gt;ainfix *V0V0V1INadividesV4V1Iainfix &lt;V4V0Aainfix &lt;=c2V4FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -134,7 +134,7 @@
         locfile="../euler003.mlw"
         loclnum="19" loccnumb="8" loccnume="24"
         expl="4. assertion"
-        sum="db867aea3a6dce6ad2c80a0f330c3512"
+        sum="5b47d7fcdac9483cf68d30335f421854"
         proved="true"
         expanded="false"
         shape="assertionainfix =ainfix *V3V2V1IadividesV3V1Iainfix =ainfix *V3V2V1LadivV1V2Iainfix &gt;=V2V0IadividesV2V1Aainfix &lt;V2V1Aainfix &lt;=c2V2FIainfix &gt;ainfix *V0V0V1INadividesV4V1Iainfix &lt;V4V0Aainfix &lt;=c2V4FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -154,7 +154,7 @@
         locfile="../euler003.mlw"
         loclnum="19" loccnumb="8" loccnume="24"
         expl="5. assertion"
-        sum="8ba72b24866e59ee96483ef8879ce716"
+        sum="c70ecfb1ad31eed9528c50eefe156458"
         proved="true"
         expanded="false"
         shape="assertionainfix &gt;=V1ainfix *V0V2Iainfix &gt;=V3V0Iainfix =ainfix *V3V2V1IadividesV3V1Iainfix =ainfix *V3V2V1LadivV1V2Iainfix &gt;=V2V0IadividesV2V1Aainfix &lt;V2V1Aainfix &lt;=c2V2FIainfix &gt;ainfix *V0V0V1INadividesV4V1Iainfix &lt;V4V0Aainfix &lt;=c2V4FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -174,7 +174,7 @@
         locfile="../euler003.mlw"
         loclnum="19" loccnumb="8" loccnume="24"
         expl="6. assertion"
-        sum="aaa0cc74a91fff711bc2cda7f5558f65"
+        sum="9bf0bb7ab3f5f9467773de31ba944760"
         proved="true"
         expanded="false"
         shape="assertionainfix &gt;=ainfix *V0V2ainfix *V0V0Iainfix &gt;=V3V0Iainfix =ainfix *V3V2V1IadividesV3V1Iainfix =ainfix *V3V2V1LadivV1V2Iainfix &gt;=V2V0IadividesV2V1Aainfix &lt;V2V1Aainfix &lt;=c2V2FIainfix &gt;ainfix *V0V0V1INadividesV4V1Iainfix &lt;V4V0Aainfix &lt;=c2V4FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -194,7 +194,7 @@
         locfile="../euler003.mlw"
         loclnum="19" loccnumb="8" loccnume="24"
         expl="7. assertion"
-        sum="511148b8fb8d3c1735a752775819de44"
+        sum="c7af7194a701d4309049824d3e1466dc"
         proved="true"
         expanded="false"
         shape="assertionfIainfix &gt;=ainfix *V0V2ainfix *V0V0Aainfix &gt;=V1ainfix *V0V2Iainfix &gt;=V3V0Iainfix =ainfix *V3V2V1IadividesV3V1Iainfix =ainfix *V3V2V1LadivV1V2Iainfix &gt;=V2V0IadividesV2V1Aainfix &lt;V2V1Aainfix &lt;=c2V2FIainfix &gt;ainfix *V0V0V1INadividesV4V1Iainfix &lt;V4V0Aainfix &lt;=c2V4FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -214,7 +214,7 @@
         locfile="../euler003.mlw"
         loclnum="19" loccnumb="8" loccnume="24"
         expl="8. assertion"
-        sum="646fa51f9de870777f0ba8543039d71f"
+        sum="15327381f18f815e96be50b120184254"
         proved="true"
         expanded="false"
         shape="assertionainfix &gt;=V3c2IfAainfix &gt;=ainfix *V0V2ainfix *V0V0Aainfix &gt;=V1ainfix *V0V2Iainfix &gt;=V3V0Iainfix =ainfix *V3V2V1IadividesV3V1Iainfix =ainfix *V3V2V1LadivV1V2Iainfix &gt;=V2V0IadividesV2V1Aainfix &lt;V2V1Aainfix &lt;=c2V2FIainfix &gt;ainfix *V0V0V1INadividesV4V1Iainfix &lt;V4V0Aainfix &lt;=c2V4FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -234,7 +234,7 @@
         locfile="../euler003.mlw"
         loclnum="19" loccnumb="8" loccnume="24"
         expl="9. assertion"
-        sum="7f3c5c1059e39908a6dbf442a7ba0f67"
+        sum="3c395117a2f0534579537ffc48bded06"
         proved="true"
         expanded="false"
         shape="assertionainfix &lt;V3V1Iainfix &gt;=V3c2IfAainfix &gt;=ainfix *V0V2ainfix *V0V0Aainfix &gt;=V1ainfix *V0V2Iainfix &gt;=V3V0Iainfix =ainfix *V3V2V1IadividesV3V1Iainfix =ainfix *V3V2V1LadivV1V2Iainfix &gt;=V2V0IadividesV2V1Aainfix &lt;V2V1Aainfix &lt;=c2V2FIainfix &gt;ainfix *V0V0V1INadividesV4V1Iainfix &lt;V4V0Aainfix &lt;=c2V4FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -254,7 +254,7 @@
         locfile="../euler003.mlw"
         loclnum="19" loccnumb="8" loccnume="24"
         expl="10. assertion"
-        sum="16499ba922b21f00b540e6cf5b51c78f"
+        sum="985f2f140b6761460b28a6591be4b19c"
         proved="true"
         expanded="false"
         shape="assertionfIainfix &lt;V3V1Iainfix &gt;=V3c2IfAainfix &gt;=ainfix *V0V2ainfix *V0V0Aainfix &gt;=V1ainfix *V0V2Iainfix &gt;=V3V0Iainfix =ainfix *V3V2V1IadividesV3V1Iainfix =ainfix *V3V2V1LadivV1V2Iainfix &gt;=V2V0IadividesV2V1Aainfix &lt;V2V1Aainfix &lt;=c2V2FIainfix &gt;ainfix *V0V0V1INadividesV4V1Iainfix &lt;V4V0Aainfix &lt;=c2V4FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -276,7 +276,7 @@
       locfile="../euler003.mlw"
       loclnum="19" loccnumb="8" loccnume="24"
       expl="2. postcondition"
-      sum="15fd7662f742a0fa3adace72484b09ad"
+      sum="072ce4e1079be7e064f9622f1293893f"
       proved="true"
       expanded="false"
       shape="postconditionainfix &lt;=V1V1Aainfix &lt;=V0V1IfAainfix &lt;V3V1Aainfix &gt;=V3c2AfAainfix &gt;=ainfix *V0V2ainfix *V0V0Aainfix &gt;=V1ainfix *V0V2Iainfix &gt;=V3V0Aainfix =ainfix *V3V2V1AadividesV3V1Aainfix =ainfix *V3V2V1LadivV1V2Aainfix &gt;=V2V0IadividesV2V1Aainfix &lt;V2V1Aainfix &lt;=c2V2FIainfix &gt;ainfix *V0V0V1INadividesV4V1Iainfix &lt;V4V0Aainfix &lt;=c2V4FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -296,7 +296,7 @@
       locfile="../euler003.mlw"
       loclnum="19" loccnumb="8" loccnume="24"
       expl="3. postcondition"
-      sum="894be0af6c7c90c82ae309b3d6859811"
+      sum="c9b36f9ed2930619d137902fb18cb28c"
       proved="true"
       expanded="false"
       shape="postconditionadividesV1V1IfAainfix &lt;V3V1Aainfix &gt;=V3c2AfAainfix &gt;=ainfix *V0V2ainfix *V0V0Aainfix &gt;=V1ainfix *V0V2Iainfix &gt;=V3V0Aainfix =ainfix *V3V2V1AadividesV3V1Aainfix =ainfix *V3V2V1LadivV1V2Aainfix &gt;=V2V0IadividesV2V1Aainfix &lt;V2V1Aainfix &lt;=c2V2FIainfix &gt;ainfix *V0V0V1INadividesV4V1Iainfix &lt;V4V0Aainfix &lt;=c2V4FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -316,7 +316,7 @@
       locfile="../euler003.mlw"
       loclnum="19" loccnumb="8" loccnume="24"
       expl="4. postcondition"
-      sum="03d5eaae165d3ca92cc78f6883ddea5e"
+      sum="f8f1bc3d2b3ec3c9ea3d3c43855ba896"
       proved="true"
       expanded="false"
       shape="postconditionNadividesV2V1Iainfix &lt;V2V1Aainfix &lt;=c2V2FIfAainfix &lt;V4V1Aainfix &gt;=V4c2AfAainfix &gt;=ainfix *V0V3ainfix *V0V0Aainfix &gt;=V1ainfix *V0V3Iainfix &gt;=V4V0Aainfix =ainfix *V4V3V1AadividesV4V1Aainfix =ainfix *V4V3V1LadivV1V3Aainfix &gt;=V3V0IadividesV3V1Aainfix &lt;V3V1Aainfix &lt;=c2V3FIainfix &gt;ainfix *V0V0V1INadividesV5V1Iainfix &lt;V5V0Aainfix &lt;=c2V5FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -336,7 +336,7 @@
       locfile="../euler003.mlw"
       loclnum="19" loccnumb="8" loccnume="24"
       expl="5. postcondition"
-      sum="b8e04e744b5b716443101c57a6be3a35"
+      sum="0508f6c6aa14b4debc4e3b17955a5157"
       proved="true"
       expanded="false"
       shape="postconditionainfix &lt;=V0V1Aainfix &lt;=V0V0Iainfix =amodV1V0c0Aainfix &gt;=V0c2INainfix &gt;ainfix *V0V0V1INadividesV2V1Iainfix &lt;V2V0Aainfix &lt;=c2V2FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -356,7 +356,7 @@
       locfile="../euler003.mlw"
       loclnum="19" loccnumb="8" loccnume="24"
       expl="6. postcondition"
-      sum="8fc71fe7cffccbafca77f6e55b2a4981"
+      sum="eb7beeda174cb0da13205390013b5614"
       proved="true"
       expanded="false"
       shape="postconditionadividesV0V1Iainfix =amodV1V0c0Aainfix &gt;=V0c2INainfix &gt;ainfix *V0V0V1INadividesV2V1Iainfix &lt;V2V0Aainfix &lt;=c2V2FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -376,7 +376,7 @@
       locfile="../euler003.mlw"
       loclnum="19" loccnumb="8" loccnume="24"
       expl="7. postcondition"
-      sum="f669e5d3694943bce3d4af0f12056623"
+      sum="38a56fc12089a9862ea11d4a5aec077b"
       proved="true"
       expanded="false"
       shape="postconditionNadividesV2V1Iainfix &lt;V2V0Aainfix &lt;=c2V2FIainfix =amodV1V0c0Aainfix &gt;=V0c2INainfix &gt;ainfix *V0V0V1INadividesV3V1Iainfix &lt;V3V0Aainfix &lt;=c2V3FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -396,7 +396,7 @@
       locfile="../euler003.mlw"
       loclnum="19" loccnumb="8" loccnume="24"
       expl="8. variant decrease"
-      sum="880ce09792b98a01f9a8e11aa95cc324"
+      sum="a34c36c9029a63eadc23b82fc9b92d44"
       proved="true"
       expanded="false"
       shape="variant decreaseainfix &lt;ainfix -V1V2ainfix -V1V0Aainfix &lt;=c0ainfix -V1V0Lainfix +V0c1INainfix =amodV1V0c0Aainfix &gt;=V0c2INainfix &gt;ainfix *V0V0V1INadividesV3V1Iainfix &lt;V3V0Aainfix &lt;=c2V3FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -416,7 +416,7 @@
       locfile="../euler003.mlw"
       loclnum="19" loccnumb="8" loccnume="24"
       expl="9. precondition"
-      sum="772f70e0e44a0a9ddcc0c2912aa96dbf"
+      sum="33a7c63e98ce9dcd4b93f7aa808f8c23"
       proved="true"
       expanded="false"
       shape="preconditionainfix &lt;=c2V1Lainfix +V0c1INainfix =amodV1V0c0Aainfix &gt;=V0c2INainfix &gt;ainfix *V0V0V1INadividesV3V1Iainfix &lt;V3V0Aainfix &lt;=c2V3FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -436,7 +436,7 @@
       locfile="../euler003.mlw"
       loclnum="19" loccnumb="8" loccnume="24"
       expl="10. precondition"
-      sum="7f4bf840528bff67f55b8dd48009fc09"
+      sum="1ebcc1569c43a20bbc7807afd1d1c652"
       proved="true"
       expanded="false"
       shape="preconditionainfix &lt;=V2V1Aainfix &lt;=c2V2Lainfix +V0c1INainfix =amodV1V0c0Aainfix &gt;=V0c2INainfix &gt;ainfix *V0V0V1INadividesV3V1Iainfix &lt;V3V0Aainfix &lt;=c2V3FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -456,7 +456,7 @@
       locfile="../euler003.mlw"
       loclnum="19" loccnumb="8" loccnume="24"
       expl="11. precondition"
-      sum="f8ee405a980261e9f41992ef2132e3f8"
+      sum="941270a17df0ff50bf4e8e180ca13afd"
       proved="true"
       expanded="false"
       shape="preconditionNadividesV3V1Iainfix &lt;V3V2Aainfix &lt;=c2V3FLainfix +V0c1INainfix =amodV1V0c0Aainfix &gt;=V0c2INainfix &gt;ainfix *V0V0V1INadividesV4V1Iainfix &lt;V4V0Aainfix &lt;=c2V4FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -476,7 +476,7 @@
       locfile="../euler003.mlw"
       loclnum="19" loccnumb="8" loccnume="24"
       expl="12. postcondition"
-      sum="1982e6ab84e4badea4ee23e466fdcaa0"
+      sum="b40e4752e90d7dcd4994487fa3610bf5"
       proved="true"
       expanded="false"
       shape="postconditionainfix &lt;=V3V1Aainfix &lt;=V0V3INadividesV4V1Iainfix &lt;V4V3Aainfix &lt;=c2V4FAadividesV3V1Aainfix &lt;=V3V1Aainfix &lt;=V2V3FINadividesV5V1Iainfix &lt;V5V2Aainfix &lt;=c2V5FAainfix &lt;=V2V1Aainfix &lt;=c2V2Aainfix &lt;=c2V1Lainfix +V0c1INainfix =amodV1V0c0Aainfix &gt;=V0c2INainfix &gt;ainfix *V0V0V1INadividesV6V1Iainfix &lt;V6V0Aainfix &lt;=c2V6FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -496,7 +496,7 @@
       locfile="../euler003.mlw"
       loclnum="19" loccnumb="8" loccnume="24"
       expl="13. postcondition"
-      sum="3e340c8b9e650c8b132b980ce88528e5"
+      sum="b1cbb110b9806fab6ac5b82294c0c0d2"
       proved="true"
       expanded="false"
       shape="postconditionadividesV3V1INadividesV4V1Iainfix &lt;V4V3Aainfix &lt;=c2V4FAadividesV3V1Aainfix &lt;=V3V1Aainfix &lt;=V2V3FINadividesV5V1Iainfix &lt;V5V2Aainfix &lt;=c2V5FAainfix &lt;=V2V1Aainfix &lt;=c2V2Aainfix &lt;=c2V1Lainfix +V0c1INainfix =amodV1V0c0Aainfix &gt;=V0c2INainfix &gt;ainfix *V0V0V1INadividesV6V1Iainfix &lt;V6V0Aainfix &lt;=c2V6FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -516,7 +516,7 @@
       locfile="../euler003.mlw"
       loclnum="19" loccnumb="8" loccnume="24"
       expl="14. postcondition"
-      sum="b91bc3e12497b9ae1a641135d3d07f5e"
+      sum="6e6d618d760df9e27364dd483b70c2f3"
       proved="true"
       expanded="false"
       shape="postconditionNadividesV4V1Iainfix &lt;V4V3Aainfix &lt;=c2V4FINadividesV5V1Iainfix &lt;V5V3Aainfix &lt;=c2V5FAadividesV3V1Aainfix &lt;=V3V1Aainfix &lt;=V2V3FINadividesV6V1Iainfix &lt;V6V2Aainfix &lt;=c2V6FAainfix &lt;=V2V1Aainfix &lt;=c2V2Aainfix &lt;=c2V1Lainfix +V0c1INainfix =amodV1V0c0Aainfix &gt;=V0c2INainfix &gt;ainfix *V0V0V1INadividesV7V1Iainfix &lt;V7V0Aainfix &lt;=c2V7FAainfix &lt;=V0V1Aainfix &lt;=c2V0Aainfix &lt;=c2V1F">
@@ -538,7 +538,7 @@
     locfile="../euler003.mlw"
     loclnum="55" loccnumb="4" loccnume="24"
     expl="VC for largest_prime_factor"
-    sum="5fec65ff45a4771eefd18b438edc3877"
+    sum="82f51dcf7c5c5cb1cf49fce71e24a4f3"
     proved="true"
     expanded="false"
     shape="iNadividesV6V0AaprimeV6Iainfix &lt;=V6V0Aainfix &lt;V4V6FAadividesV4V0AaprimeV4ainfix &lt;V10V3Aainfix &lt;=c0V3AadividesV11V10Iainfix &gt;V11V8AadividesV11V0AaprimeV11FAadividesV12V0Aainfix &gt;=V12V8Iainfix &gt;=V12c2AadividesV12V10FAaprimeV8AadividesV8V0Aainfix &lt;=V8V0Aainfix &lt;=c2V8Aainfix &lt;=V10V0Aainfix &lt;=c1V10AadividesV13V10AacoprimeV7V13Aainfix &lt;V7V13Aainfix &lt;=c1V7AadividesV13V3Aainfix &gt;V13V4Iainfix &gt;V13V7AadividesV13V0AaprimeV13FAadividesV10V3Aainfix =ainfix *V10V7V3Iainfix =V10adivV3V7FIainfix =V9aConsV7V5FIainfix =V8V7FAaprimeV7INadividesV14V3Iainfix &lt;V14V7Aainfix &lt;=c2V14FAadividesV7V3Aainfix &lt;=V7V3Aainfix &lt;=V4V7FANadividesV15V3Iainfix &lt;V15V4Aainfix &lt;=c2V15FAainfix &lt;=V4V3Aainfix &lt;=c2V4Aainfix &lt;=c2V3Aainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3ainfix &gt;=V3c2IadividesV16V3Iainfix &gt;V16V4AadividesV16V0AaprimeV16FAadividesV17V0Aainfix &gt;=V17V4Iainfix &gt;=V17c2AadividesV17V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FAadividesV18adivV0V1Iainfix &gt;V18V1AadividesV18V0AaprimeV18FAadividesV19V0Aainfix &gt;=V19V1Iainfix &gt;=V19c2AadividesV19adivV0V1FAaprimeV1AadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1Aainfix &lt;=adivV0V1V0Aainfix &lt;=c1adivV0V1AadividesV20adivV0V1AacoprimeV1V20Iainfix &gt;V20V1AadividesV20V0AaprimeV20FAadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV21V0Iainfix &lt;V21V1Aainfix &lt;=c2V21FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FANadividesV22V0Iainfix &lt;V22c2Aainfix &lt;=c2V22FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -553,7 +553,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="1. precondition"
-      sum="e43578b01fa416ce6bec19c75597c3be"
+      sum="2184826c7f3607d95bb7562d42140d6f"
       proved="true"
       expanded="false"
       shape="preconditionainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -573,7 +573,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="2. precondition"
-      sum="1075671ac6fde30840484d7b966ad738"
+      sum="15c1756fc611a6d7cc1eeb2c8f58f8e5"
       proved="true"
       expanded="false"
       shape="preconditionainfix &lt;=c2V0Aainfix &lt;=c2c2Iainfix &lt;=c2V0F">
@@ -593,7 +593,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="3. precondition"
-      sum="adb4d58eec886cb537620ec7e33ccefb"
+      sum="a171a830f8892bd14bc7f8545888333d"
       proved="true"
       expanded="false"
       shape="preconditionNadividesV1V0Iainfix &lt;V1c2Aainfix &lt;=c2V1FIainfix &lt;=c2V0F">
@@ -613,7 +613,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="4. assertion"
-      sum="cc5d18f168e8f7ce309eb10a23f4a985"
+      sum="926db07d453cb0d3b6ec06ed7cb90533"
       proved="true"
       expanded="false"
       shape="assertionadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV3V0Iainfix &lt;V3V1Aainfix &lt;=c2V3FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV4V0Iainfix &lt;V4c2Aainfix &lt;=c2V4FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -628,7 +628,7 @@
         locfile="../euler003.mlw"
         loclnum="55" loccnumb="4" loccnume="24"
         expl="1."
-        sum="e6a0b1375262f0b47d3b3d5ea2c8587c"
+        sum="c62addf15c2413f67ced057de113c5be"
         proved="true"
         expanded="false"
         shape="ainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV3V0Iainfix &lt;V3V1Aainfix &lt;=c2V3FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV4V0Iainfix &lt;V4c2Aainfix &lt;=c2V4FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -648,7 +648,7 @@
         locfile="../euler003.mlw"
         loclnum="55" loccnumb="4" loccnume="24"
         expl="2."
-        sum="4d66a2cd507a1f8a297c28950be72774"
+        sum="7e599979b410f30b3c85ae3cc56806db"
         proved="true"
         expanded="false"
         shape="adividesadivV0V1V0Iainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV3V0Iainfix &lt;V3V1Aainfix &lt;=c2V3FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV4V0Iainfix &lt;V4c2Aainfix &lt;=c2V4FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -670,7 +670,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="5. assertion"
-      sum="e1b4299472167882bd4825e22eb539fe"
+      sum="7512eb38350192b99784fa6cb4d42bd5"
       proved="true"
       expanded="false"
       shape="assertionadividesV3adivV0V1AacoprimeV1V3Iainfix &gt;V3V1AadividesV3V0AaprimeV3FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV4V0Iainfix &lt;V4V1Aainfix &lt;=c2V4FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV5V0Iainfix &lt;V5c2Aainfix &lt;=c2V5FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -690,7 +690,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="6. loop invariant init"
-      sum="c269df6268e9a261f9e42820cd0589ae"
+      sum="20611831a17cb08e735c40b97f58d176"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix &lt;=adivV0V1V0Aainfix &lt;=c1adivV0V1IadividesV3adivV0V1AacoprimeV1V3Iainfix &gt;V3V1AadividesV3V0AaprimeV3FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV4V0Iainfix &lt;V4V1Aainfix &lt;=c2V4FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV5V0Iainfix &lt;V5c2Aainfix &lt;=c2V5FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -710,7 +710,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="7. loop invariant init"
-      sum="f31b098c0ee6719b448ffc7b9974cb58"
+      sum="35a6cc38a7b41bded0ca32c330868bb4"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix &lt;=V1V0Aainfix &lt;=c2V1IadividesV3adivV0V1AacoprimeV1V3Iainfix &gt;V3V1AadividesV3V0AaprimeV3FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV4V0Iainfix &lt;V4V1Aainfix &lt;=c2V4FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV5V0Iainfix &lt;V5c2Aainfix &lt;=c2V5FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -730,7 +730,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="8. loop invariant init"
-      sum="4d75adbf70014d869316b421ffd15acf"
+      sum="c1d4a6d117eaa6333a354b15c8aae0fc"
       proved="true"
       expanded="false"
       shape="loop invariant initadividesV1V0IadividesV3adivV0V1AacoprimeV1V3Iainfix &gt;V3V1AadividesV3V0AaprimeV3FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV4V0Iainfix &lt;V4V1Aainfix &lt;=c2V4FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV5V0Iainfix &lt;V5c2Aainfix &lt;=c2V5FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -750,7 +750,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="9. loop invariant init"
-      sum="2b0227676595be09b78ae1b21a0440d0"
+      sum="6303afbabc03135f1021dadba130bf7e"
       proved="true"
       expanded="false"
       shape="loop invariant initaprimeV1IadividesV3adivV0V1AacoprimeV1V3Iainfix &gt;V3V1AadividesV3V0AaprimeV3FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV4V0Iainfix &lt;V4V1Aainfix &lt;=c2V4FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV5V0Iainfix &lt;V5c2Aainfix &lt;=c2V5FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -770,7 +770,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="10. loop invariant init"
-      sum="f2dfba9b64df310435e92c4e6c1d30ea"
+      sum="e59ab4c97bb3f2e19e3107c35695b395"
       proved="true"
       expanded="false"
       shape="loop invariant initadividesV3V0Aainfix &gt;=V3V1Iainfix &gt;=V3c2AadividesV3adivV0V1FIadividesV4adivV0V1AacoprimeV1V4Iainfix &gt;V4V1AadividesV4V0AaprimeV4FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV5V0Iainfix &lt;V5V1Aainfix &lt;=c2V5FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV6V0Iainfix &lt;V6c2Aainfix &lt;=c2V6FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -790,7 +790,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="11. loop invariant init"
-      sum="bc0cecbae08eaefbb024c0c0a6b69784"
+      sum="5855c54ed35d9657778f3cdd15338b75"
       proved="true"
       expanded="false"
       shape="loop invariant initadividesV3adivV0V1Iainfix &gt;V3V1AadividesV3V0AaprimeV3FIadividesV4adivV0V1AacoprimeV1V4Iainfix &gt;V4V1AadividesV4V0AaprimeV4FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV5V0Iainfix &lt;V5V1Aainfix &lt;=c2V5FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV6V0Iainfix &lt;V6c2Aainfix &lt;=c2V6FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -810,7 +810,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="12. assertion"
-      sum="b744f295878e1008545b7bfe1201d84a"
+      sum="fc5d0a3abed8d14a15aca3e9e174f922"
       proved="true"
       expanded="false"
       shape="assertionainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV6V3Iainfix &gt;V6V4AadividesV6V0AaprimeV6FAadividesV7V0Aainfix &gt;=V7V4Iainfix &gt;=V7c2AadividesV7V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV8adivV0V1AacoprimeV1V8Iainfix &gt;V8V1AadividesV8V0AaprimeV8FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV9V0Iainfix &lt;V9V1Aainfix &lt;=c2V9FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV10V0Iainfix &lt;V10c2Aainfix &lt;=c2V10FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -825,7 +825,7 @@
         locfile="../euler003.mlw"
         loclnum="55" loccnumb="4" loccnume="24"
         expl="1."
-        sum="9eeac8a1d695dee28aa7b4bb708535a8"
+        sum="341fc55dda37c16291149404e27e2268"
         proved="true"
         expanded="false"
         shape="adividesV3V3Iainfix &gt;=V3c2IadividesV6V3Iainfix &gt;V6V4AadividesV6V0AaprimeV6FAadividesV7V0Aainfix &gt;=V7V4Iainfix &gt;=V7c2AadividesV7V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV8adivV0V1AacoprimeV1V8Iainfix &gt;V8V1AadividesV8V0AaprimeV8FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV9V0Iainfix &lt;V9V1Aainfix &lt;=c2V9FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV10V0Iainfix &lt;V10c2Aainfix &lt;=c2V10FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -845,7 +845,7 @@
         locfile="../euler003.mlw"
         loclnum="55" loccnumb="4" loccnume="24"
         expl="2."
-        sum="568aace1a0a699e7bb169b5d8f9adc4b"
+        sum="443f3bfc28ccbf4125ab6ec6161338dc"
         proved="true"
         expanded="false"
         shape="ainfix &gt;=V3c2IadividesV3V3Iainfix &gt;=V3c2IadividesV6V3Iainfix &gt;V6V4AadividesV6V0AaprimeV6FAadividesV7V0Aainfix &gt;=V7V4Iainfix &gt;=V7c2AadividesV7V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV8adivV0V1AacoprimeV1V8Iainfix &gt;V8V1AadividesV8V0AaprimeV8FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV9V0Iainfix &lt;V9V1Aainfix &lt;=c2V9FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV10V0Iainfix &lt;V10c2Aainfix &lt;=c2V10FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -865,7 +865,7 @@
         locfile="../euler003.mlw"
         loclnum="55" loccnumb="4" loccnume="24"
         expl="3."
-        sum="bb751dea04e869ea227aad3956bed0a9"
+        sum="0bdd93529eb2f83a1339c024c300d5cb"
         proved="true"
         expanded="false"
         shape="ainfix &gt;=V3V4Iainfix &gt;=V3c2IadividesV3V3Iainfix &gt;=V3c2IadividesV6V3Iainfix &gt;V6V4AadividesV6V0AaprimeV6FAadividesV7V0Aainfix &gt;=V7V4Iainfix &gt;=V7c2AadividesV7V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV8adivV0V1AacoprimeV1V8Iainfix &gt;V8V1AadividesV8V0AaprimeV8FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV9V0Iainfix &lt;V9V1Aainfix &lt;=c2V9FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV10V0Iainfix &lt;V10c2Aainfix &lt;=c2V10FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -887,7 +887,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="13. precondition"
-      sum="92b9a9db8749422b3f22bed561361367"
+      sum="7aa295f86d8f09d3837ae5926f9154f8"
       proved="true"
       expanded="false"
       shape="preconditionainfix &lt;=c2V3Iainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV6V3Iainfix &gt;V6V4AadividesV6V0AaprimeV6FAadividesV7V0Aainfix &gt;=V7V4Iainfix &gt;=V7c2AadividesV7V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV8adivV0V1AacoprimeV1V8Iainfix &gt;V8V1AadividesV8V0AaprimeV8FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV9V0Iainfix &lt;V9V1Aainfix &lt;=c2V9FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV10V0Iainfix &lt;V10c2Aainfix &lt;=c2V10FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -907,7 +907,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="14. precondition"
-      sum="c9e5b38cd837bd1e4f38422b5e7a3f6c"
+      sum="bc1dac1b80f66c7311bd1733957589e7"
       proved="true"
       expanded="false"
       shape="preconditionainfix &lt;=V4V3Aainfix &lt;=c2V4Iainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV6V3Iainfix &gt;V6V4AadividesV6V0AaprimeV6FAadividesV7V0Aainfix &gt;=V7V4Iainfix &gt;=V7c2AadividesV7V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV8adivV0V1AacoprimeV1V8Iainfix &gt;V8V1AadividesV8V0AaprimeV8FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV9V0Iainfix &lt;V9V1Aainfix &lt;=c2V9FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV10V0Iainfix &lt;V10c2Aainfix &lt;=c2V10FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -927,7 +927,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="15. precondition"
-      sum="e3a5bfa146ea4c741156c028387c3ac6"
+      sum="cea6c5f40c7cbdeedf5ae6e1e8eaa172"
       proved="true"
       expanded="false"
       shape="preconditionNadividesV6V3Iainfix &lt;V6V4Aainfix &lt;=c2V6FIainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV7V3Iainfix &gt;V7V4AadividesV7V0AaprimeV7FAadividesV8V0Aainfix &gt;=V8V4Iainfix &gt;=V8c2AadividesV8V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV9adivV0V1AacoprimeV1V9Iainfix &gt;V9V1AadividesV9V0AaprimeV9FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV10V0Iainfix &lt;V10V1Aainfix &lt;=c2V10FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV11V0Iainfix &lt;V11c2Aainfix &lt;=c2V11FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -947,7 +947,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="16. assertion"
-      sum="55568d855214851f115e38e8af75ea6f"
+      sum="870fd789c9f4fe3049ed7b246b2cbe74"
       proved="true"
       expanded="false"
       shape="assertionaprimeV6INadividesV7V3Iainfix &lt;V7V6Aainfix &lt;=c2V7FAadividesV6V3Aainfix &lt;=V6V3Aainfix &lt;=V4V6FINadividesV8V3Iainfix &lt;V8V4Aainfix &lt;=c2V8FAainfix &lt;=V4V3Aainfix &lt;=c2V4Aainfix &lt;=c2V3Iainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV9V3Iainfix &gt;V9V4AadividesV9V0AaprimeV9FAadividesV10V0Aainfix &gt;=V10V4Iainfix &gt;=V10c2AadividesV10V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV11adivV0V1AacoprimeV1V11Iainfix &gt;V11V1AadividesV11V0AaprimeV11FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV12V0Iainfix &lt;V12V1Aainfix &lt;=c2V12FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV13V0Iainfix &lt;V13c2Aainfix &lt;=c2V13FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -967,7 +967,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="17. assertion"
-      sum="a4443804d97803f9bd1fa2a6ad1a9067"
+      sum="bca106f688e018fdc712421509bd4190"
       proved="true"
       expanded="false"
       shape="assertionadividesV9V3Aainfix =ainfix *V9V6V3Iainfix =V9adivV3V6FIainfix =V8aConsV6V5FIainfix =V7V6FIaprimeV6INadividesV10V3Iainfix &lt;V10V6Aainfix &lt;=c2V10FAadividesV6V3Aainfix &lt;=V6V3Aainfix &lt;=V4V6FINadividesV11V3Iainfix &lt;V11V4Aainfix &lt;=c2V11FAainfix &lt;=V4V3Aainfix &lt;=c2V4Aainfix &lt;=c2V3Iainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV12V3Iainfix &gt;V12V4AadividesV12V0AaprimeV12FAadividesV13V0Aainfix &gt;=V13V4Iainfix &gt;=V13c2AadividesV13V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV14adivV0V1AacoprimeV1V14Iainfix &gt;V14V1AadividesV14V0AaprimeV14FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV15V0Iainfix &lt;V15V1Aainfix &lt;=c2V15FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV16V0Iainfix &lt;V16c2Aainfix &lt;=c2V16FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -982,7 +982,7 @@
         locfile="../euler003.mlw"
         loclnum="55" loccnumb="4" loccnume="24"
         expl="1."
-        sum="8a9fb7b467456f895e66b377d16fa4d6"
+        sum="66180f2f3c4519a6296ee16cb9006037"
         proved="true"
         expanded="false"
         shape="ainfix =ainfix *V9V6V3Iainfix =V9adivV3V6FIainfix =V8aConsV6V5FIainfix =V7V6FIaprimeV6INadividesV10V3Iainfix &lt;V10V6Aainfix &lt;=c2V10FAadividesV6V3Aainfix &lt;=V6V3Aainfix &lt;=V4V6FINadividesV11V3Iainfix &lt;V11V4Aainfix &lt;=c2V11FAainfix &lt;=V4V3Aainfix &lt;=c2V4Aainfix &lt;=c2V3Iainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV12V3Iainfix &gt;V12V4AadividesV12V0AaprimeV12FAadividesV13V0Aainfix &gt;=V13V4Iainfix &gt;=V13c2AadividesV13V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV14adivV0V1AacoprimeV1V14Iainfix &gt;V14V1AadividesV14V0AaprimeV14FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV15V0Iainfix &lt;V15V1Aainfix &lt;=c2V15FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV16V0Iainfix &lt;V16c2Aainfix &lt;=c2V16FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -1002,7 +1002,7 @@
         locfile="../euler003.mlw"
         loclnum="55" loccnumb="4" loccnume="24"
         expl="2."
-        sum="a2ae87f63ed5222b99aa0c6a32b97eda"
+        sum="88737e93d547b633ad2d343d053ae3eb"
         proved="true"
         expanded="false"
         shape="adividesV9V3Iainfix =ainfix *V9V6V3Iainfix =V9adivV3V6FIainfix =V8aConsV6V5FIainfix =V7V6FIaprimeV6INadividesV10V3Iainfix &lt;V10V6Aainfix &lt;=c2V10FAadividesV6V3Aainfix &lt;=V6V3Aainfix &lt;=V4V6FINadividesV11V3Iainfix &lt;V11V4Aainfix &lt;=c2V11FAainfix &lt;=V4V3Aainfix &lt;=c2V4Aainfix &lt;=c2V3Iainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV12V3Iainfix &gt;V12V4AadividesV12V0AaprimeV12FAadividesV13V0Aainfix &gt;=V13V4Iainfix &gt;=V13c2AadividesV13V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV14adivV0V1AacoprimeV1V14Iainfix &gt;V14V1AadividesV14V0AaprimeV14FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV15V0Iainfix &lt;V15V1Aainfix &lt;=c2V15FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV16V0Iainfix &lt;V16c2Aainfix &lt;=c2V16FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -1024,7 +1024,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="18. assertion"
-      sum="478edfe194a97c38ce3e916ad5dbd956"
+      sum="fe2600ea387143bc46154547cd58a3d9"
       proved="true"
       expanded="false"
       shape="assertionadividesV10V9AacoprimeV6V10Aainfix &lt;V6V10Aainfix &lt;=c1V6AadividesV10V3Aainfix &gt;V10V4Iainfix &gt;V10V6AadividesV10V0AaprimeV10FIadividesV9V3Aainfix =ainfix *V9V6V3Iainfix =V9adivV3V6FIainfix =V8aConsV6V5FIainfix =V7V6FIaprimeV6INadividesV11V3Iainfix &lt;V11V6Aainfix &lt;=c2V11FAadividesV6V3Aainfix &lt;=V6V3Aainfix &lt;=V4V6FINadividesV12V3Iainfix &lt;V12V4Aainfix &lt;=c2V12FAainfix &lt;=V4V3Aainfix &lt;=c2V4Aainfix &lt;=c2V3Iainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV13V3Iainfix &gt;V13V4AadividesV13V0AaprimeV13FAadividesV14V0Aainfix &gt;=V14V4Iainfix &gt;=V14c2AadividesV14V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV15adivV0V1AacoprimeV1V15Iainfix &gt;V15V1AadividesV15V0AaprimeV15FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV16V0Iainfix &lt;V16V1Aainfix &lt;=c2V16FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV17V0Iainfix &lt;V17c2Aainfix &lt;=c2V17FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -1039,7 +1039,7 @@
         locfile="../euler003.mlw"
         loclnum="55" loccnumb="4" loccnume="24"
         expl="1. assertion"
-        sum="9ca501cbe01f8e5a7208ab6aa2ddf909"
+        sum="abb143dd3542dda1f1936144c7e790c4"
         proved="true"
         expanded="false"
         shape="assertionainfix &gt;V10V4Iainfix &gt;V10V6AadividesV10V0AaprimeV10FIadividesV9V3Aainfix =ainfix *V9V6V3Iainfix =V9adivV3V6FIainfix =V8aConsV6V5FIainfix =V7V6FIaprimeV6INadividesV11V3Iainfix &lt;V11V6Aainfix &lt;=c2V11FAadividesV6V3Aainfix &lt;=V6V3Aainfix &lt;=V4V6FINadividesV12V3Iainfix &lt;V12V4Aainfix &lt;=c2V12FAainfix &lt;=V4V3Aainfix &lt;=c2V4Aainfix &lt;=c2V3Iainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV13V3Iainfix &gt;V13V4AadividesV13V0AaprimeV13FAadividesV14V0Aainfix &gt;=V14V4Iainfix &gt;=V14c2AadividesV14V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV15adivV0V1AacoprimeV1V15Iainfix &gt;V15V1AadividesV15V0AaprimeV15FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV16V0Iainfix &lt;V16V1Aainfix &lt;=c2V16FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV17V0Iainfix &lt;V17c2Aainfix &lt;=c2V17FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -1059,7 +1059,7 @@
         locfile="../euler003.mlw"
         loclnum="55" loccnumb="4" loccnume="24"
         expl="2. assertion"
-        sum="8995314c8b2e176ebd3039c7a86644ac"
+        sum="e5fb8d92667f1960b6966f2539a581f9"
         proved="true"
         expanded="false"
         shape="assertionadividesV10V3Iainfix &gt;V10V4Iainfix &gt;V10V6AadividesV10V0AaprimeV10FIadividesV9V3Aainfix =ainfix *V9V6V3Iainfix =V9adivV3V6FIainfix =V8aConsV6V5FIainfix =V7V6FIaprimeV6INadividesV11V3Iainfix &lt;V11V6Aainfix &lt;=c2V11FAadividesV6V3Aainfix &lt;=V6V3Aainfix &lt;=V4V6FINadividesV12V3Iainfix &lt;V12V4Aainfix &lt;=c2V12FAainfix &lt;=V4V3Aainfix &lt;=c2V4Aainfix &lt;=c2V3Iainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV13V3Iainfix &gt;V13V4AadividesV13V0AaprimeV13FAadividesV14V0Aainfix &gt;=V14V4Iainfix &gt;=V14c2AadividesV14V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV15adivV0V1AacoprimeV1V15Iainfix &gt;V15V1AadividesV15V0AaprimeV15FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV16V0Iainfix &lt;V16V1Aainfix &lt;=c2V16FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV17V0Iainfix &lt;V17c2Aainfix &lt;=c2V17FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -1079,7 +1079,7 @@
         locfile="../euler003.mlw"
         loclnum="55" loccnumb="4" loccnume="24"
         expl="3. assertion"
-        sum="bc3e6b8b87ee1e5d8f3220765c2ffb72"
+        sum="610c00ed6f5170d022c19af29b8e3e67"
         proved="true"
         expanded="false"
         shape="assertionainfix &lt;=c1V6IadividesV10V3Iainfix &gt;V10V4Iainfix &gt;V10V6AadividesV10V0AaprimeV10FIadividesV9V3Aainfix =ainfix *V9V6V3Iainfix =V9adivV3V6FIainfix =V8aConsV6V5FIainfix =V7V6FIaprimeV6INadividesV11V3Iainfix &lt;V11V6Aainfix &lt;=c2V11FAadividesV6V3Aainfix &lt;=V6V3Aainfix &lt;=V4V6FINadividesV12V3Iainfix &lt;V12V4Aainfix &lt;=c2V12FAainfix &lt;=V4V3Aainfix &lt;=c2V4Aainfix &lt;=c2V3Iainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV13V3Iainfix &gt;V13V4AadividesV13V0AaprimeV13FAadividesV14V0Aainfix &gt;=V14V4Iainfix &gt;=V14c2AadividesV14V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV15adivV0V1AacoprimeV1V15Iainfix &gt;V15V1AadividesV15V0AaprimeV15FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV16V0Iainfix &lt;V16V1Aainfix &lt;=c2V16FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV17V0Iainfix &lt;V17c2Aainfix &lt;=c2V17FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -1099,7 +1099,7 @@
         locfile="../euler003.mlw"
         loclnum="55" loccnumb="4" loccnume="24"
         expl="4. assertion"
-        sum="20fef15af3b05cc31c41ed59bf3c05c0"
+        sum="d37e23b0e084c081e42151378ca73d73"
         proved="true"
         expanded="false"
         shape="assertionainfix &lt;V6V10IadividesV10V3Iainfix &gt;V10V4Iainfix &gt;V10V6AadividesV10V0AaprimeV10FIadividesV9V3Aainfix =ainfix *V9V6V3Iainfix =V9adivV3V6FIainfix =V8aConsV6V5FIainfix =V7V6FIaprimeV6INadividesV11V3Iainfix &lt;V11V6Aainfix &lt;=c2V11FAadividesV6V3Aainfix &lt;=V6V3Aainfix &lt;=V4V6FINadividesV12V3Iainfix &lt;V12V4Aainfix &lt;=c2V12FAainfix &lt;=V4V3Aainfix &lt;=c2V4Aainfix &lt;=c2V3Iainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV13V3Iainfix &gt;V13V4AadividesV13V0AaprimeV13FAadividesV14V0Aainfix &gt;=V14V4Iainfix &gt;=V14c2AadividesV14V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV15adivV0V1AacoprimeV1V15Iainfix &gt;V15V1AadividesV15V0AaprimeV15FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV16V0Iainfix &lt;V16V1Aainfix &lt;=c2V16FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV17V0Iainfix &lt;V17c2Aainfix &lt;=c2V17FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -1119,7 +1119,7 @@
         locfile="../euler003.mlw"
         loclnum="55" loccnumb="4" loccnume="24"
         expl="5. assertion"
-        sum="77b17a82eb7072a5a5cbb58c80656964"
+        sum="1d781e28d1b0113718384cde0c8bc7b7"
         proved="true"
         expanded="false"
         shape="assertionacoprimeV6V10Iainfix &lt;V6V10Aainfix &lt;=c1V6IadividesV10V3Iainfix &gt;V10V4Iainfix &gt;V10V6AadividesV10V0AaprimeV10FIadividesV9V3Aainfix =ainfix *V9V6V3Iainfix =V9adivV3V6FIainfix =V8aConsV6V5FIainfix =V7V6FIaprimeV6INadividesV11V3Iainfix &lt;V11V6Aainfix &lt;=c2V11FAadividesV6V3Aainfix &lt;=V6V3Aainfix &lt;=V4V6FINadividesV12V3Iainfix &lt;V12V4Aainfix &lt;=c2V12FAainfix &lt;=V4V3Aainfix &lt;=c2V4Aainfix &lt;=c2V3Iainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV13V3Iainfix &gt;V13V4AadividesV13V0AaprimeV13FAadividesV14V0Aainfix &gt;=V14V4Iainfix &gt;=V14c2AadividesV14V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV15adivV0V1AacoprimeV1V15Iainfix &gt;V15V1AadividesV15V0AaprimeV15FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV16V0Iainfix &lt;V16V1Aainfix &lt;=c2V16FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV17V0Iainfix &lt;V17c2Aainfix &lt;=c2V17FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -1131,7 +1131,7 @@
          memlimit="1000"
          obsolete="false"
          archived="false">
-         <result status="valid" time="1.31"/>
+         <result status="valid" time="0.89"/>
         </proof>
        </goal>
        <goal
@@ -1139,7 +1139,7 @@
         locfile="../euler003.mlw"
         loclnum="55" loccnumb="4" loccnume="24"
         expl="6. assertion"
-        sum="24df0eafc8ac1f1f239d7a5bc64352d2"
+        sum="1acbe165c3d2b63850cc877ff55df79b"
         proved="true"
         expanded="false"
         shape="assertionadividesV10V9IacoprimeV6V10Iainfix &lt;V6V10Aainfix &lt;=c1V6IadividesV10V3Iainfix &gt;V10V4Iainfix &gt;V10V6AadividesV10V0AaprimeV10FIadividesV9V3Aainfix =ainfix *V9V6V3Iainfix =V9adivV3V6FIainfix =V8aConsV6V5FIainfix =V7V6FIaprimeV6INadividesV11V3Iainfix &lt;V11V6Aainfix &lt;=c2V11FAadividesV6V3Aainfix &lt;=V6V3Aainfix &lt;=V4V6FINadividesV12V3Iainfix &lt;V12V4Aainfix &lt;=c2V12FAainfix &lt;=V4V3Aainfix &lt;=c2V4Aainfix &lt;=c2V3Iainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV13V3Iainfix &gt;V13V4AadividesV13V0AaprimeV13FAadividesV14V0Aainfix &gt;=V14V4Iainfix &gt;=V14c2AadividesV14V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV15adivV0V1AacoprimeV1V15Iainfix &gt;V15V1AadividesV15V0AaprimeV15FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV16V0Iainfix &lt;V16V1Aainfix &lt;=c2V16FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV17V0Iainfix &lt;V17c2Aainfix &lt;=c2V17FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -1177,7 +1177,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="19. loop invariant preservation"
-      sum="1971ab60ee2ba17f7f7e4aa5a3aeec00"
+      sum="abbb138ad42bff9112723c08c9931fb0"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &lt;=V9V0Aainfix &lt;=c1V9IadividesV10V9AacoprimeV6V10Aainfix &lt;V6V10Aainfix &lt;=c1V6AadividesV10V3Aainfix &gt;V10V4Iainfix &gt;V10V6AadividesV10V0AaprimeV10FIadividesV9V3Aainfix =ainfix *V9V6V3Iainfix =V9adivV3V6FIainfix =V8aConsV6V5FIainfix =V7V6FIaprimeV6INadividesV11V3Iainfix &lt;V11V6Aainfix &lt;=c2V11FAadividesV6V3Aainfix &lt;=V6V3Aainfix &lt;=V4V6FINadividesV12V3Iainfix &lt;V12V4Aainfix &lt;=c2V12FAainfix &lt;=V4V3Aainfix &lt;=c2V4Aainfix &lt;=c2V3Iainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV13V3Iainfix &gt;V13V4AadividesV13V0AaprimeV13FAadividesV14V0Aainfix &gt;=V14V4Iainfix &gt;=V14c2AadividesV14V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV15adivV0V1AacoprimeV1V15Iainfix &gt;V15V1AadividesV15V0AaprimeV15FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV16V0Iainfix &lt;V16V1Aainfix &lt;=c2V16FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV17V0Iainfix &lt;V17c2Aainfix &lt;=c2V17FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -1197,7 +1197,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="20. loop invariant preservation"
-      sum="e680a2ce0e9ed0f5a7a5dfcc6adf13a4"
+      sum="259a077bba0d316d3646f0b5ba270678"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &lt;=V7V0Aainfix &lt;=c2V7IadividesV10V9AacoprimeV6V10Aainfix &lt;V6V10Aainfix &lt;=c1V6AadividesV10V3Aainfix &gt;V10V4Iainfix &gt;V10V6AadividesV10V0AaprimeV10FIadividesV9V3Aainfix =ainfix *V9V6V3Iainfix =V9adivV3V6FIainfix =V8aConsV6V5FIainfix =V7V6FIaprimeV6INadividesV11V3Iainfix &lt;V11V6Aainfix &lt;=c2V11FAadividesV6V3Aainfix &lt;=V6V3Aainfix &lt;=V4V6FINadividesV12V3Iainfix &lt;V12V4Aainfix &lt;=c2V12FAainfix &lt;=V4V3Aainfix &lt;=c2V4Aainfix &lt;=c2V3Iainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV13V3Iainfix &gt;V13V4AadividesV13V0AaprimeV13FAadividesV14V0Aainfix &gt;=V14V4Iainfix &gt;=V14c2AadividesV14V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV15adivV0V1AacoprimeV1V15Iainfix &gt;V15V1AadividesV15V0AaprimeV15FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV16V0Iainfix &lt;V16V1Aainfix &lt;=c2V16FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV17V0Iainfix &lt;V17c2Aainfix &lt;=c2V17FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -1217,7 +1217,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="21. loop invariant preservation"
-      sum="95c58f1d7839fc781a5f6dc695564e8b"
+      sum="fe9c86189e6e7cd0a6d209eda7dfe879"
       proved="true"
       expanded="false"
       shape="loop invariant preservationadividesV7V0IadividesV10V9AacoprimeV6V10Aainfix &lt;V6V10Aainfix &lt;=c1V6AadividesV10V3Aainfix &gt;V10V4Iainfix &gt;V10V6AadividesV10V0AaprimeV10FIadividesV9V3Aainfix =ainfix *V9V6V3Iainfix =V9adivV3V6FIainfix =V8aConsV6V5FIainfix =V7V6FIaprimeV6INadividesV11V3Iainfix &lt;V11V6Aainfix &lt;=c2V11FAadividesV6V3Aainfix &lt;=V6V3Aainfix &lt;=V4V6FINadividesV12V3Iainfix &lt;V12V4Aainfix &lt;=c2V12FAainfix &lt;=V4V3Aainfix &lt;=c2V4Aainfix &lt;=c2V3Iainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV13V3Iainfix &gt;V13V4AadividesV13V0AaprimeV13FAadividesV14V0Aainfix &gt;=V14V4Iainfix &gt;=V14c2AadividesV14V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV15adivV0V1AacoprimeV1V15Iainfix &gt;V15V1AadividesV15V0AaprimeV15FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV16V0Iainfix &lt;V16V1Aainfix &lt;=c2V16FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV17V0Iainfix &lt;V17c2Aainfix &lt;=c2V17FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -1229,7 +1229,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.30"/>
+       <result status="valid" time="0.17"/>
       </proof>
      </goal>
      <goal
@@ -1237,7 +1237,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="22. loop invariant preservation"
-      sum="0c0e103258462b2f3e3ed528b574ad88"
+      sum="b489e4d5da80bc5b1902ed027e2cec8d"
       proved="true"
       expanded="false"
       shape="loop invariant preservationaprimeV7IadividesV10V9AacoprimeV6V10Aainfix &lt;V6V10Aainfix &lt;=c1V6AadividesV10V3Aainfix &gt;V10V4Iainfix &gt;V10V6AadividesV10V0AaprimeV10FIadividesV9V3Aainfix =ainfix *V9V6V3Iainfix =V9adivV3V6FIainfix =V8aConsV6V5FIainfix =V7V6FIaprimeV6INadividesV11V3Iainfix &lt;V11V6Aainfix &lt;=c2V11FAadividesV6V3Aainfix &lt;=V6V3Aainfix &lt;=V4V6FINadividesV12V3Iainfix &lt;V12V4Aainfix &lt;=c2V12FAainfix &lt;=V4V3Aainfix &lt;=c2V4Aainfix &lt;=c2V3Iainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV13V3Iainfix &gt;V13V4AadividesV13V0AaprimeV13FAadividesV14V0Aainfix &gt;=V14V4Iainfix &gt;=V14c2AadividesV14V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV15adivV0V1AacoprimeV1V15Iainfix &gt;V15V1AadividesV15V0AaprimeV15FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV16V0Iainfix &lt;V16V1Aainfix &lt;=c2V16FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV17V0Iainfix &lt;V17c2Aainfix &lt;=c2V17FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -1257,7 +1257,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="23. loop invariant preservation"
-      sum="994ce1b650342a57dd8ad520e2b4520b"
+      sum="3d7bfbb426a15cd2f47ec9f48953f3dd"
       proved="true"
       expanded="false"
       shape="loop invariant preservationadividesV10V0Aainfix &gt;=V10V7Iainfix &gt;=V10c2AadividesV10V9FIadividesV11V9AacoprimeV6V11Aainfix &lt;V6V11Aainfix &lt;=c1V6AadividesV11V3Aainfix &gt;V11V4Iainfix &gt;V11V6AadividesV11V0AaprimeV11FIadividesV9V3Aainfix =ainfix *V9V6V3Iainfix =V9adivV3V6FIainfix =V8aConsV6V5FIainfix =V7V6FIaprimeV6INadividesV12V3Iainfix &lt;V12V6Aainfix &lt;=c2V12FAadividesV6V3Aainfix &lt;=V6V3Aainfix &lt;=V4V6FINadividesV13V3Iainfix &lt;V13V4Aainfix &lt;=c2V13FAainfix &lt;=V4V3Aainfix &lt;=c2V4Aainfix &lt;=c2V3Iainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV14V3Iainfix &gt;V14V4AadividesV14V0AaprimeV14FAadividesV15V0Aainfix &gt;=V15V4Iainfix &gt;=V15c2AadividesV15V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV16adivV0V1AacoprimeV1V16Iainfix &gt;V16V1AadividesV16V0AaprimeV16FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV17V0Iainfix &lt;V17V1Aainfix &lt;=c2V17FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV18V0Iainfix &lt;V18c2Aainfix &lt;=c2V18FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -1277,7 +1277,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="24. loop invariant preservation"
-      sum="54847aeaf97e37d06d17a35b989239e0"
+      sum="0484bacdcf482242cb182494ebf8119a"
       proved="true"
       expanded="false"
       shape="loop invariant preservationadividesV10V9Iainfix &gt;V10V7AadividesV10V0AaprimeV10FIadividesV11V9AacoprimeV6V11Aainfix &lt;V6V11Aainfix &lt;=c1V6AadividesV11V3Aainfix &gt;V11V4Iainfix &gt;V11V6AadividesV11V0AaprimeV11FIadividesV9V3Aainfix =ainfix *V9V6V3Iainfix =V9adivV3V6FIainfix =V8aConsV6V5FIainfix =V7V6FIaprimeV6INadividesV12V3Iainfix &lt;V12V6Aainfix &lt;=c2V12FAadividesV6V3Aainfix &lt;=V6V3Aainfix &lt;=V4V6FINadividesV13V3Iainfix &lt;V13V4Aainfix &lt;=c2V13FAainfix &lt;=V4V3Aainfix &lt;=c2V4Aainfix &lt;=c2V3Iainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV14V3Iainfix &gt;V14V4AadividesV14V0AaprimeV14FAadividesV15V0Aainfix &gt;=V15V4Iainfix &gt;=V15c2AadividesV15V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV16adivV0V1AacoprimeV1V16Iainfix &gt;V16V1AadividesV16V0AaprimeV16FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV17V0Iainfix &lt;V17V1Aainfix &lt;=c2V17FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV18V0Iainfix &lt;V18c2Aainfix &lt;=c2V18FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -1297,7 +1297,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="25. loop variant decrease"
-      sum="92dc3d4f5754521af91ea1d6f86ad3e9"
+      sum="35d2e7ab69d5da424ce7b761a2088c97"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix &lt;V9V3Aainfix &lt;=c0V3IadividesV10V9AacoprimeV6V10Aainfix &lt;V6V10Aainfix &lt;=c1V6AadividesV10V3Aainfix &gt;V10V4Iainfix &gt;V10V6AadividesV10V0AaprimeV10FIadividesV9V3Aainfix =ainfix *V9V6V3Iainfix =V9adivV3V6FIainfix =V8aConsV6V5FIainfix =V7V6FIaprimeV6INadividesV11V3Iainfix &lt;V11V6Aainfix &lt;=c2V11FAadividesV6V3Aainfix &lt;=V6V3Aainfix &lt;=V4V6FINadividesV12V3Iainfix &lt;V12V4Aainfix &lt;=c2V12FAainfix &lt;=V4V3Aainfix &lt;=c2V4Aainfix &lt;=c2V3Iainfix &gt;=V3V4Aainfix &gt;=V3c2AadividesV3V3Iainfix &gt;=V3c2IadividesV13V3Iainfix &gt;V13V4AadividesV13V0AaprimeV13FAadividesV14V0Aainfix &gt;=V14V4Iainfix &gt;=V14c2AadividesV14V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV15adivV0V1AacoprimeV1V15Iainfix &gt;V15V1AadividesV15V0AaprimeV15FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV16V0Iainfix &lt;V16V1Aainfix &lt;=c2V16FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV17V0Iainfix &lt;V17c2Aainfix &lt;=c2V17FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -1317,7 +1317,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="26. postcondition"
-      sum="13d2c9ac3284545f948ce4ab3786c5d9"
+      sum="0d16456924d603a92dcb52926bd54d9c"
       proved="true"
       expanded="false"
       shape="postconditionaprimeV4INainfix &gt;=V3c2IadividesV6V3Iainfix &gt;V6V4AadividesV6V0AaprimeV6FAadividesV7V0Aainfix &gt;=V7V4Iainfix &gt;=V7c2AadividesV7V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV8adivV0V1AacoprimeV1V8Iainfix &gt;V8V1AadividesV8V0AaprimeV8FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV9V0Iainfix &lt;V9V1Aainfix &lt;=c2V9FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV10V0Iainfix &lt;V10c2Aainfix &lt;=c2V10FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -1337,7 +1337,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="27. postcondition"
-      sum="fab2c2a6782a0439eebe70f625e09204"
+      sum="830dd87ff41b4dae93a5d0dc03eab493"
       proved="true"
       expanded="false"
       shape="postconditionadividesV4V0INainfix &gt;=V3c2IadividesV6V3Iainfix &gt;V6V4AadividesV6V0AaprimeV6FAadividesV7V0Aainfix &gt;=V7V4Iainfix &gt;=V7c2AadividesV7V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV8adivV0V1AacoprimeV1V8Iainfix &gt;V8V1AadividesV8V0AaprimeV8FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV9V0Iainfix &lt;V9V1Aainfix &lt;=c2V9FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV10V0Iainfix &lt;V10c2Aainfix &lt;=c2V10FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -1357,7 +1357,7 @@
       locfile="../euler003.mlw"
       loclnum="55" loccnumb="4" loccnume="24"
       expl="28. postcondition"
-      sum="d9b90185098cf3b9c88669c5cf366502"
+      sum="22bbada92b8039038dbebb13aaad9748"
       proved="true"
       expanded="false"
       shape="postconditionNadividesV6V0AaprimeV6Iainfix &lt;=V6V0Aainfix &lt;V4V6FINainfix &gt;=V3c2IadividesV7V3Iainfix &gt;V7V4AadividesV7V0AaprimeV7FAadividesV8V0Aainfix &gt;=V8V4Iainfix &gt;=V8c2AadividesV8V3FAaprimeV4AadividesV4V0Aainfix &lt;=V4V0Aainfix &lt;=c2V4Aainfix &lt;=V3V0Aainfix &lt;=c1V3FIadividesV9adivV0V1AacoprimeV1V9Iainfix &gt;V9V1AadividesV9V0AaprimeV9FIadividesadivV0V1V0Aainfix =ainfix *adivV0V1V1V0Iainfix =V2aConsV1aNilFINadividesV10V0Iainfix &lt;V10V1Aainfix &lt;=c2V10FAadividesV1V0Aainfix &lt;=V1V0Aainfix &lt;=c2V1FINadividesV11V0Iainfix &lt;V11c2Aainfix &lt;=c2V11FAainfix &lt;=c2V0Aainfix &lt;=c2c2Aainfix &lt;=c2V0Iainfix &lt;=c2V0F">
@@ -1379,7 +1379,7 @@
     locfile="../euler003.mlw"
     loclnum="97" loccnumb="4" loccnume="8"
     expl="VC for test"
-    sum="7850314bba5c86e1b01084be03f46308"
+    sum="1f68094bf108787ce2e89cff937f2ec2"
     proved="true"
     expanded="false"
     shape="ainfix &lt;=c2c13195">
@@ -1399,7 +1399,7 @@
     locfile="../euler003.mlw"
     loclnum="100" loccnumb="4" loccnume="9"
     expl="VC for solve"
-    sum="ddf19e30cf464c94bc94a674b6b008c1"
+    sum="e2142f24f78c2821c235ee6b07a99a22"
     proved="true"
     expanded="false"
     shape="ainfix &lt;=c2c600851475143">
diff --git a/examples/euler290/why3session.xml b/examples/euler290/why3session.xml
index 7803174e15a1a230e5f7ffe2483108d3a579756f..6b3dcfefa58a47a9a47b24552370fd0069a5e62d 100644
--- a/examples/euler290/why3session.xml
+++ b/examples/euler290/why3session.xml
@@ -31,7 +31,7 @@
     name="Base"
     locfile="../euler290.mlw"
     loclnum="49" loccnumb="8" loccnume="12"
-    sum="a800be5522f47c3fbb0d82c9e60e4aa0"
+    sum="38e1ff8cdd036ae501e4e391a4996777"
     proved="true"
     expanded="false"
     shape="apaTuple3V0V1c10c0Iainfix =ainfix +asum_digitsV0V1c0Iainfix &lt;=c0V0F">
@@ -48,7 +48,7 @@
     name="Empty"
     locfile="../euler290.mlw"
     loclnum="52" loccnumb="8" loccnume="13"
-    sum="ec43ace9c5ab9d4d7394fe6c1c604544"
+    sum="c32555c739e47f2cada745d5d7ac6fb2"
     proved="true"
     expanded="false"
     shape="ainfix =anum_ofaTuple3V0V1c0V2V3c0F">
@@ -65,7 +65,7 @@
     name="Induc"
     locfile="../euler290.mlw"
     loclnum="55" loccnumb="8" loccnume="13"
-    sum="ca95c539ce1f450727b457f26db7653c"
+    sum="883a60405607ef56e27231e1f0241da3"
     proved="false"
     expanded="true"
     shape="ainfix =asolutionV5V6ainfix -V3c1anum_of_modcaTuple3V0V1V2c0apowerc10V3Lainfix -ainfix +amodV4c10V1V2LadivV4c10Lainfix +ainfix *c137V2V0Iainfix &gt;V3c0Iainfix &lt;V2c10Aainfix &lt;=c0V2Iainfix &lt;=c0V0F">
@@ -75,7 +75,7 @@
     locfile="../euler290.mlw"
     loclnum="66" loccnumb="10" loccnume="12"
     expl="VC for sd"
-    sum="8342411a644201fb547526bb6874ee10"
+    sum="ff8a9c4c092c4724fa7aef9c54ad1d61"
     proved="true"
     expanded="false"
     shape="iainfix =ainfix +asum_digitsV1amodV0c10asum_digitsV0Aainfix &gt;=V1c0Aainfix &lt;V1V0Aainfix &lt;=c0V0LadivV0c10ainfix =c0asum_digitsV0ainfix =V0c0Iainfix &gt;=V0c0F">
@@ -95,7 +95,7 @@
     locfile="../euler290.mlw"
     loclnum="74" loccnumb="10" loccnume="11"
     expl="VC for f"
-    sum="b23418f37a0e558c5966caa99f592e5a"
+    sum="fb58dd1a92816376c4c6ba61f456265f"
     proved="true"
     expanded="true"
     shape="iainfix =V4asolutionV1V2V0Iainfix =V4anum_ofaTuple3V1V2ainfix +c9c1c0V3Aainfix =V10anum_ofaTuple3V1V2ainfix +V5c1c0V3Aainfix =ainfix -V10V4anum_of_modcaTuple3V1V2V5c0V3Aainfix =V8amodV6c10Aainfix =V7adivV6c10Iainfix =V10ainfix +V4asolutionV7ainfix -ainfix +V8V2V5V9FAainfix &lt;=c0V7Aainfix &lt;=c0V9Aainfix &lt;V9V0Aainfix &lt;=c0V0Lainfix -V0c1LamodV6c10LadivV6c10Lainfix +ainfix *c137V5V1Iainfix =V4anum_ofaTuple3V1V2V5c0V3Iainfix &lt;=V5c9Aainfix &lt;=c0V5FFAainfix =c0anum_ofaTuple3V1V2c0c0V3Iainfix &lt;=c0c9Aainfix =c0asolutionV1V2V0Iainfix &gt;c0c9Lapowerc10V0ainfix =ic0c1ainfix =ainfix +asum_digitsV1V2c0asolutionV1V2V0Aainfix &gt;=V1c0ainfix =V0c0Iainfix &lt;=c0V1Aainfix &lt;=c0V0F">
@@ -110,7 +110,7 @@
       locfile="../euler290.mlw"
       loclnum="74" loccnumb="10" loccnume="11"
       expl="1. precondition"
-      sum="df686f449aa663b84288cabd21ec8bfd"
+      sum="f55d9535d79e1ccc5d637bd6a6e36345"
       proved="true"
       expanded="false"
       shape="preconditionainfix &gt;=V1c0Iainfix =V0c0Iainfix &lt;=c0V1Aainfix &lt;=c0V0F">
@@ -130,7 +130,7 @@
       locfile="../euler290.mlw"
       loclnum="74" loccnumb="10" loccnume="11"
       expl="2. postcondition"
-      sum="11b1ec0d33a50b32990fa47977f57ba3"
+      sum="547ae043f7b7b52d37eab6f5275981f9"
       proved="true"
       expanded="false"
       shape="postconditionainfix =ic0c1ainfix =ainfix +asum_digitsV1V2c0asolutionV1V2V0Iainfix &gt;=V1c0Iainfix =V0c0Iainfix &lt;=c0V1Aainfix &lt;=c0V0F">
@@ -150,7 +150,7 @@
       locfile="../euler290.mlw"
       loclnum="74" loccnumb="10" loccnume="11"
       expl="3. postcondition"
-      sum="3ac52b10a35bb138c192ad80f6690447"
+      sum="995fd7722e21ed62c5df79928f9f3f68"
       proved="true"
       expanded="false"
       shape="postconditionainfix =c0asolutionV1V2V0Iainfix &gt;c0c9Lapowerc10V0INainfix =V0c0Iainfix &lt;=c0V1Aainfix &lt;=c0V0F">
@@ -170,7 +170,7 @@
       locfile="../euler290.mlw"
       loclnum="74" loccnumb="10" loccnume="11"
       expl="4. loop invariant init"
-      sum="b33e0bfa983d9f60d77faf7c42ee7f9c"
+      sum="4ff7d3e9f2fa9786badc98d035a263b6"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix =c0anum_ofaTuple3V1V2c0c0V3Iainfix &lt;=c0c9Lapowerc10V0INainfix =V0c0Iainfix &lt;=c0V1Aainfix &lt;=c0V0F">
@@ -190,7 +190,7 @@
       locfile="../euler290.mlw"
       loclnum="74" loccnumb="10" loccnume="11"
       expl="5. variant decrease"
-      sum="e82236042dfa76f945e256f165a6d76a"
+      sum="7f01d83c2d87ef6f7783cc3ca5c60f76"
       proved="true"
       expanded="false"
       shape="variant decreaseainfix &lt;V9V0Aainfix &lt;=c0V0Lainfix -V0c1LamodV6c10LadivV6c10Lainfix +ainfix *c137V5V1Iainfix =V4anum_ofaTuple3V1V2V5c0V3Iainfix &lt;=V5c9Aainfix &lt;=c0V5FFIainfix &lt;=c0c9Lapowerc10V0INainfix =V0c0Iainfix &lt;=c0V1Aainfix &lt;=c0V0F">
@@ -210,7 +210,7 @@
       locfile="../euler290.mlw"
       loclnum="74" loccnumb="10" loccnume="11"
       expl="6. precondition"
-      sum="46fdaf3fc65dfa87f42bd3bf923abbf2"
+      sum="d8b2404618ce53e5ab434fa4b19ca019"
       proved="true"
       expanded="false"
       shape="preconditionainfix &lt;=c0V7Aainfix &lt;=c0V9Lainfix -V0c1LamodV6c10LadivV6c10Lainfix +ainfix *c137V5V1Iainfix =V4anum_ofaTuple3V1V2V5c0V3Iainfix &lt;=V5c9Aainfix &lt;=c0V5FFIainfix &lt;=c0c9Lapowerc10V0INainfix =V0c0Iainfix &lt;=c0V1Aainfix &lt;=c0V0F">
@@ -230,7 +230,7 @@
       locfile="../euler290.mlw"
       loclnum="74" loccnumb="10" loccnume="11"
       expl="7. assertion"
-      sum="9d1074bedd3d5967f8e3721034d6c2ba"
+      sum="d9119b0de2e1e314a9c20cb5c9aed143"
       proved="true"
       expanded="false"
       shape="assertionainfix =ainfix -V10V4anum_of_modcaTuple3V1V2V5c0V3Aainfix =V8amodV6c10Aainfix =V7adivV6c10Iainfix =V10ainfix +V4asolutionV7ainfix -ainfix +V8V2V5V9FIainfix &lt;=c0V7Aainfix &lt;=c0V9Lainfix -V0c1LamodV6c10LadivV6c10Lainfix +ainfix *c137V5V1Iainfix =V4anum_ofaTuple3V1V2V5c0V3Iainfix &lt;=V5c9Aainfix &lt;=c0V5FFIainfix &lt;=c0c9Lapowerc10V0INainfix =V0c0Iainfix &lt;=c0V1Aainfix &lt;=c0V0F">
@@ -245,7 +245,7 @@
         locfile="../euler290.mlw"
         loclnum="74" loccnumb="10" loccnume="11"
         expl="1."
-        sum="c741fcd5dffae3dfa67eb1ee25d02f09"
+        sum="215e63f1c3cf3703c8c03a808a06db04"
         proved="true"
         expanded="false"
         shape="ainfix =V7adivV6c10Iainfix =V10ainfix +V4asolutionV7ainfix -ainfix +V8V2V5V9FIainfix &lt;=c0V7Aainfix &lt;=c0V9Lainfix -V0c1LamodV6c10LadivV6c10Lainfix +ainfix *c137V5V1Iainfix =V4anum_ofaTuple3V1V2V5c0V3Iainfix &lt;=V5c9Aainfix &lt;=c0V5FFIainfix &lt;=c0c9Lapowerc10V0INainfix =V0c0Iainfix &lt;=c0V1Aainfix &lt;=c0V0F">
@@ -265,7 +265,7 @@
         locfile="../euler290.mlw"
         loclnum="74" loccnumb="10" loccnume="11"
         expl="2."
-        sum="4a9bd4a92b6ccd11cd3686bc7550c62e"
+        sum="d6019d8336f1d68f09dcaa8d1ad8ec00"
         proved="true"
         expanded="false"
         shape="ainfix =V8amodV6c10Iainfix =V7adivV6c10Iainfix =V10ainfix +V4asolutionV7ainfix -ainfix +V8V2V5V9FIainfix &lt;=c0V7Aainfix &lt;=c0V9Lainfix -V0c1LamodV6c10LadivV6c10Lainfix +ainfix *c137V5V1Iainfix =V4anum_ofaTuple3V1V2V5c0V3Iainfix &lt;=V5c9Aainfix &lt;=c0V5FFIainfix &lt;=c0c9Lapowerc10V0INainfix =V0c0Iainfix &lt;=c0V1Aainfix &lt;=c0V0F">
@@ -285,7 +285,7 @@
         locfile="../euler290.mlw"
         loclnum="74" loccnumb="10" loccnume="11"
         expl="3."
-        sum="fa1f48fc01ddf17792a7399273cb6644"
+        sum="3bb90bb3501687aeeb8359768363d908"
         proved="true"
         expanded="false"
         shape="ainfix =ainfix -V10V4anum_of_modcaTuple3V1V2V5c0V3Iainfix =V8amodV6c10Iainfix =V7adivV6c10Iainfix =V10ainfix +V4asolutionV7ainfix -ainfix +V8V2V5V9FIainfix &lt;=c0V7Aainfix &lt;=c0V9Lainfix -V0c1LamodV6c10LadivV6c10Lainfix +ainfix *c137V5V1Iainfix =V4anum_ofaTuple3V1V2V5c0V3Iainfix &lt;=V5c9Aainfix &lt;=c0V5FFIainfix &lt;=c0c9Lapowerc10V0INainfix =V0c0Iainfix &lt;=c0V1Aainfix &lt;=c0V0F">
@@ -307,7 +307,7 @@
       locfile="../euler290.mlw"
       loclnum="74" loccnumb="10" loccnume="11"
       expl="8. loop invariant preservation"
-      sum="b4967c65aa346cec7fa0e03362930b2d"
+      sum="56a5ede9fa7e4fdbdd6361a3be1df3ae"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix =V10anum_ofaTuple3V1V2ainfix +V5c1c0V3Iainfix =ainfix -V10V4anum_of_modcaTuple3V1V2V5c0V3Aainfix =V8amodV6c10Aainfix =V7adivV6c10Iainfix =V10ainfix +V4asolutionV7ainfix -ainfix +V8V2V5V9FIainfix &lt;=c0V7Aainfix &lt;=c0V9Lainfix -V0c1LamodV6c10LadivV6c10Lainfix +ainfix *c137V5V1Iainfix =V4anum_ofaTuple3V1V2V5c0V3Iainfix &lt;=V5c9Aainfix &lt;=c0V5FFIainfix &lt;=c0c9Lapowerc10V0INainfix =V0c0Iainfix &lt;=c0V1Aainfix &lt;=c0V0F">
@@ -351,7 +351,7 @@
       locfile="../euler290.mlw"
       loclnum="74" loccnumb="10" loccnume="11"
       expl="9. postcondition"
-      sum="a99c47b1acc72b443c11156626b0a8c7"
+      sum="9a1a94d88241dbd427d2e8c361f130be"
       proved="true"
       expanded="false"
       shape="postconditionainfix =V4asolutionV1V2V0Iainfix =V4anum_ofaTuple3V1V2ainfix +c9c1c0V3FIainfix &lt;=c0c9Lapowerc10V0INainfix =V0c0Iainfix &lt;=c0V1Aainfix &lt;=c0V0F">
diff --git a/examples/ewd673/why3session.xml b/examples/ewd673/why3session.xml
index 910efd46e457ac75f2552a53c3db8ee5f870afe3..3bed4ec42a81d41f8f82e309e4fd66c3c22f2772 100644
--- a/examples/ewd673/why3session.xml
+++ b/examples/ewd673/why3session.xml
@@ -20,7 +20,7 @@
     locfile="../ewd673.mlw"
     loclnum="14" loccnumb="6" loccnume="7"
     expl="VC for s"
-    sum="bac7751fc9eeb34cb6b1da8b4c7c6ef5"
+    sum="bf61d43d8798a7c65fc486fdde7e9edb"
     proved="true"
     expanded="true"
     shape="iiiainfix &lt;V2V2Aainfix &lt;=c0V2Oainfix &lt;V3V3Aainfix &lt;=c0V3Aainfix &gt;=V2c0Aainfix &gt;=V3c0ainfix &lt;V4V2Aainfix &lt;=c0V2Oainfix &lt;V3V3Aainfix &lt;=c0V3Aainfix &gt;=V4c0Aainfix &gt;=V3c0Iainfix =V4ainfix -V2c1Fainfix &gt;V2c0iainfix &lt;V7V2Aainfix &lt;=c0V2Aainfix =V3V5Oainfix &lt;V5V3Aainfix &lt;=c0V3Aainfix &gt;=V7c0Aainfix &gt;=V5c0ainfix &lt;V8V2Aainfix &lt;=c0V2Aainfix =V3V5Oainfix &lt;V5V3Aainfix &lt;=c0V3Aainfix &gt;=V8c0Aainfix &gt;=V5c0Iainfix =V8ainfix -V7c1Fainfix &gt;V7c0Iainfix =V7V6FIainfix &gt;=V6c0FIainfix =V5ainfix -V3c1Fainfix &gt;V3c0Iainfix &gt;V2c0iiainfix &lt;V2V2Aainfix &lt;=c0V2Oainfix &lt;V3V3Aainfix &lt;=c0V3Aainfix &gt;=V2c0Aainfix &gt;=V3c0ainfix &lt;V9V2Aainfix &lt;=c0V2Oainfix &lt;V3V3Aainfix &lt;=c0V3Aainfix &gt;=V9c0Aainfix &gt;=V3c0Iainfix =V9ainfix -V2c1Fainfix &gt;V2c0iainfix &lt;V12V2Aainfix &lt;=c0V2Aainfix =V3V10Oainfix &lt;V10V3Aainfix &lt;=c0V3Aainfix &gt;=V12c0Aainfix &gt;=V10c0ainfix &lt;V13V2Aainfix &lt;=c0V2Aainfix =V3V10Oainfix &lt;V10V3Aainfix &lt;=c0V3Aainfix &gt;=V13c0Aainfix &gt;=V10c0Iainfix =V13ainfix -V12c1Fainfix &gt;V12c0Iainfix =V12V11FIainfix &gt;=V11c0FIainfix =V10ainfix -V3c1Fainfix &gt;V3c0ainfix &gt;V3c0Iainfix &gt;=V2c0Aainfix &gt;=V3c0FAainfix &gt;=V1c0Aainfix &gt;=V0c0Iainfix &gt;=V1c0Aainfix &gt;=V0c0F">
diff --git a/examples/fact/why3session.xml b/examples/fact/why3session.xml
index 96770ee83a5b8c022e10f0b9f5cb16f88c4698dc..4f9e9b4880f0c39c71f79df4b3bca394bb8a0a8e 100644
--- a/examples/fact/why3session.xml
+++ b/examples/fact/why3session.xml
@@ -20,7 +20,7 @@
     locfile="../fact.mlw"
     loclnum="8" loccnumb="10" loccnume="18"
     expl="VC for fact_rec"
-    sum="e7ef4d3233cbc640ca17a6ec6e99a2f6"
+    sum="d1b639786ad9d5a35a5c0180317a383a"
     proved="true"
     expanded="true"
     shape="iainfix =ainfix *V0afactV1afactV0Aainfix &gt;=V1c0Aainfix &lt;V1V0Aainfix &lt;=c0V0Lainfix -V0c1ainfix =c1afactV0ainfix =V0c0Iainfix &gt;=V0c0F">
@@ -40,7 +40,7 @@
     locfile="../fact.mlw"
     loclnum="12" loccnumb="6" loccnume="11"
     expl="VC for test0"
-    sum="613c5b4a1490a22647abcaf5a77b2234"
+    sum="59c6fd5082e897ac2d2fae56d8deefeb"
     proved="true"
     expanded="false"
     shape="ainfix &gt;=c0c0">
@@ -60,7 +60,7 @@
     locfile="../fact.mlw"
     loclnum="13" loccnumb="6" loccnume="11"
     expl="VC for test1"
-    sum="ee02ab83a74d29ceb75cd980a41965eb"
+    sum="8fb930a8105b3708e71d247b9f39ea37"
     proved="true"
     expanded="false"
     shape="ainfix &gt;=c1c0">
@@ -80,7 +80,7 @@
     locfile="../fact.mlw"
     loclnum="14" loccnumb="6" loccnume="11"
     expl="VC for test7"
-    sum="ef23e3c42b1b078d77e6fc62b84087e8"
+    sum="4877551c1988591d8ba0f42a6e7efb52"
     proved="true"
     expanded="false"
     shape="ainfix &gt;=c7c0">
@@ -100,7 +100,7 @@
     locfile="../fact.mlw"
     loclnum="15" loccnumb="6" loccnume="12"
     expl="VC for test42"
-    sum="8fa469130747ee4346595b864a7d3c27"
+    sum="3d472a855d247ba4168852cac8112150"
     proved="true"
     expanded="false"
     shape="ainfix &gt;=c42c0">
@@ -127,7 +127,7 @@
     locfile="../fact.mlw"
     loclnum="24" loccnumb="6" loccnume="14"
     expl="VC for fact_imp"
-    sum="6ebaf9f4c656759c9693894b8ac005b9"
+    sum="28547e0b05e5ba60aa6aa7b1f9134732"
     proved="true"
     expanded="false"
     shape="iainfix =V1afactV0ainfix &lt;ainfix -V0V3ainfix -V0V2Aainfix &lt;=c0ainfix -V0V2Aainfix =V4afactV3Aainfix &lt;=V3V0Aainfix &lt;=c0V3Iainfix =V4ainfix *V1V3FIainfix =V3ainfix +V2c1Fainfix &lt;V2V0Iainfix =V1afactV2Aainfix &lt;=V2V0Aainfix &lt;=c0V2FAainfix =c1afactc0Aainfix &lt;=c0V0Aainfix &lt;=c0c0Iainfix &gt;=V0c0F">
@@ -147,7 +147,7 @@
     locfile="../fact.mlw"
     loclnum="37" loccnumb="6" loccnume="11"
     expl="VC for test0"
-    sum="c56f352251f72fcb62509c411e4ef4f5"
+    sum="88df2c74de074da943fad388221c0a4e"
     proved="true"
     expanded="false"
     shape="ainfix &gt;=c0c0">
@@ -167,7 +167,7 @@
     locfile="../fact.mlw"
     loclnum="38" loccnumb="6" loccnume="11"
     expl="VC for test1"
-    sum="8e3cc4e59a682896fe45051e9ea93c4e"
+    sum="c80581a3659b6c569c00ba77116b7e13"
     proved="true"
     expanded="false"
     shape="ainfix &gt;=c1c0">
@@ -187,7 +187,7 @@
     locfile="../fact.mlw"
     loclnum="39" loccnumb="6" loccnume="11"
     expl="VC for test7"
-    sum="e3591dd2ba3bdda571e4d7ce05bb34c9"
+    sum="3943fa40803adfe0450b25429e19e4ad"
     proved="true"
     expanded="false"
     shape="ainfix &gt;=c7c0">
@@ -207,7 +207,7 @@
     locfile="../fact.mlw"
     loclnum="40" loccnumb="6" loccnume="12"
     expl="VC for test42"
-    sum="3b36ff4dc78444fb5d7765a03f5ae658"
+    sum="f2fb55e716478f9e5c11371751d08476"
     proved="true"
     expanded="false"
     shape="ainfix &gt;=c42c0">
diff --git a/examples/fibonacci/why3session.xml b/examples/fibonacci/why3session.xml
index d2c06f50637713bb3abee19e8e3a68654a49aa92..8b3caabb933d9ffec0f3fcd4aa89513f26757641 100644
--- a/examples/fibonacci/why3session.xml
+++ b/examples/fibonacci/why3session.xml
@@ -146,7 +146,7 @@
     locfile="../fibonacci.mlw"
     loclnum="19" loccnumb="6" loccnume="9"
     expl="VC for fib"
-    sum="9ada67fc86f929d7870f3e083dad3f05"
+    sum="d3643ebd5d0c772daa2f273f63086847"
     proved="true"
     expanded="false"
     shape="ainfix =afibV0V3Iainfix =afibainfix +V1c1V3Aainfix =afibainfix +ainfix +V1c1c1V2Aainfix &lt;=ainfix +V1c1V0Aainfix &lt;=c0ainfix +V1c1Aainfix =afibainfix +V4c1V5Aainfix =afibainfix +ainfix +V4c1c1V6Aainfix &lt;=ainfix +V4c1V0Aainfix &lt;=c0ainfix +V4c1Iainfix =V6ainfix +V2V3FIainfix =V5V2FIainfix =afibV4V3Aainfix =afibainfix +V4c1V2Aainfix &lt;=V4V0Aainfix &lt;=c0V4Iainfix &lt;=V4V1Aainfix &lt;=c0V4FFAainfix =afibc0c0Aainfix =afibainfix +c0c1c1Aainfix &lt;=c0V0Aainfix &lt;=c0c0Iainfix &lt;=c0V1Aainfix =afibV0c0Iainfix &gt;c0V1Lainfix -V0c1Iainfix &gt;=V0c0F">
@@ -175,7 +175,7 @@
     locfile="../fibonacci.mlw"
     loclnum="39" loccnumb="10" loccnume="17"
     expl="VC for fib_aux"
-    sum="fe024fd4d3e49a8553bf22d0b5325567"
+    sum="dda413b6132cead1cc08cc4a58e88732"
     proved="true"
     expanded="true"
     shape="iainfix =afibainfix +V5V4afibainfix +V0V3Aainfix =ainfix +V1V2afibainfix +V5c1Aainfix =V2afibV5Aainfix &lt;=c0V5Aainfix &gt;=V4c0Aainfix &lt;V4V3Aainfix &lt;=c0V3Lainfix +V0c1Lainfix -V3c1ainfix =V1afibainfix +V0V3ainfix =V3c0Iainfix =V2afibainfix +V0c1Aainfix =V1afibV0Aainfix &lt;=c0V0Aainfix &gt;=V3c0F">
@@ -190,7 +190,7 @@
       locfile="../fibonacci.mlw"
       loclnum="39" loccnumb="10" loccnume="17"
       expl="1. postcondition"
-      sum="7391fad7801b56502827e009305f2d3c"
+      sum="d51530298cb93605a94ac9f83df5e04d"
       proved="true"
       expanded="false"
       shape="postconditionainfix =V1afibainfix +V0V3Iainfix =V3c0Iainfix =V2afibainfix +V0c1Aainfix =V1afibV0Aainfix &lt;=c0V0Aainfix &gt;=V3c0F">
@@ -234,7 +234,7 @@
       locfile="../fibonacci.mlw"
       loclnum="39" loccnumb="10" loccnume="17"
       expl="2. variant decrease"
-      sum="eaffa5a1f9aa90092780757a44447a16"
+      sum="c7e73b52dd05b8af596f7f52365b2941"
       proved="true"
       expanded="false"
       shape="variant decreaseainfix &lt;V4V3Aainfix &lt;=c0V3Lainfix +V0c1Lainfix -V3c1INainfix =V3c0Iainfix =V2afibainfix +V0c1Aainfix =V1afibV0Aainfix &lt;=c0V0Aainfix &gt;=V3c0F">
@@ -278,7 +278,7 @@
       locfile="../fibonacci.mlw"
       loclnum="39" loccnumb="10" loccnume="17"
       expl="3. precondition"
-      sum="d6035edcb7ca48a027dd577bcbcc3e63"
+      sum="460d1ce76f0050c02d196dc539780fc4"
       proved="true"
       expanded="false"
       shape="preconditionainfix &gt;=V4c0Lainfix +V0c1Lainfix -V3c1INainfix =V3c0Iainfix =V2afibainfix +V0c1Aainfix =V1afibV0Aainfix &lt;=c0V0Aainfix &gt;=V3c0F">
@@ -322,7 +322,7 @@
       locfile="../fibonacci.mlw"
       loclnum="39" loccnumb="10" loccnume="17"
       expl="4. precondition"
-      sum="3c4213cd0ea49cb1c1724aedf1dd1f08"
+      sum="71f299444cde5628a88222779c067b50"
       proved="true"
       expanded="false"
       shape="preconditionainfix =ainfix +V1V2afibainfix +V5c1Aainfix =V2afibV5Aainfix &lt;=c0V5Lainfix +V0c1Lainfix -V3c1INainfix =V3c0Iainfix =V2afibainfix +V0c1Aainfix =V1afibV0Aainfix &lt;=c0V0Aainfix &gt;=V3c0F">
@@ -358,7 +358,7 @@
       locfile="../fibonacci.mlw"
       loclnum="39" loccnumb="10" loccnume="17"
       expl="5. postcondition"
-      sum="57268a19e9c6b41bdd755d3fd7246311"
+      sum="5e3967e7ef675ef45f96d0cb51eba929"
       proved="true"
       expanded="false"
       shape="postconditionainfix =afibainfix +V5V4afibainfix +V0V3Iainfix =ainfix +V1V2afibainfix +V5c1Aainfix =V2afibV5Aainfix &lt;=c0V5Aainfix &gt;=V4c0Lainfix +V0c1Lainfix -V3c1INainfix =V3c0Iainfix =V2afibainfix +V0c1Aainfix =V1afibV0Aainfix &lt;=c0V0Aainfix &gt;=V3c0F">
@@ -404,7 +404,7 @@
     locfile="../fibonacci.mlw"
     loclnum="46" loccnumb="6" loccnume="9"
     expl="VC for fib"
-    sum="b8d71b0050ff0208e14ee9f963176af6"
+    sum="86fd6c42d4110f8a723644588cad6ea9"
     proved="true"
     expanded="true"
     shape="ainfix =afibainfix +c0V0afibV0Aainfix =c1afibainfix +c0c1Aainfix =c0afibc0Aainfix &lt;=c0c0Aainfix &gt;=V0c0Iainfix &lt;=c0V0F">
@@ -419,7 +419,7 @@
       locfile="../fibonacci.mlw"
       loclnum="46" loccnumb="6" loccnume="9"
       expl="1. precondition"
-      sum="456045ca837aaadb8d3e14826c4931e1"
+      sum="64d2fec2c0bb21621535f44cc2543ad1"
       proved="true"
       expanded="false"
       shape="preconditionainfix &gt;=V0c0Iainfix &lt;=c0V0F">
@@ -463,7 +463,7 @@
       locfile="../fibonacci.mlw"
       loclnum="46" loccnumb="6" loccnume="9"
       expl="2. precondition"
-      sum="449fece412bc1542033216116a4a84ab"
+      sum="9d1cf1e055414fea9f0b4919dc17e842"
       proved="true"
       expanded="false"
       shape="preconditionainfix =c1afibainfix +c0c1Aainfix =c0afibc0Aainfix &lt;=c0c0Iainfix &lt;=c0V0F">
@@ -507,7 +507,7 @@
       locfile="../fibonacci.mlw"
       loclnum="46" loccnumb="6" loccnume="9"
       expl="3. postcondition"
-      sum="3fab60bae1be389879fce448a971e44b"
+      sum="23dea1702cc6a9f94cddfff6f679147a"
       proved="true"
       expanded="false"
       shape="postconditionainfix =afibainfix +c0V0afibV0Iainfix =c1afibainfix +c0c1Aainfix =c0afibc0Aainfix &lt;=c0c0Aainfix &gt;=V0c0Iainfix &lt;=c0V0F">
@@ -553,7 +553,7 @@
     locfile="../fibonacci.mlw"
     loclnum="51" loccnumb="6" loccnume="12"
     expl="VC for test42"
-    sum="38afdef7b5b5ac6fffa8996872bd2095"
+    sum="9a6fd78663ba63909441c9988cbc07e9"
     proved="true"
     expanded="true"
     shape="ainfix &lt;=c0c42">
@@ -597,7 +597,7 @@
     locfile="../fibonacci.mlw"
     loclnum="55" loccnumb="6" loccnume="11"
     expl="VC for bench"
-    sum="7d4d99c9e9eb470bf93f2140c0d09a23"
+    sum="b753fa3039bd703205c60f5b88ec2653"
     proved="true"
     expanded="false"
     shape="t">
@@ -650,7 +650,7 @@
     locfile="../fibonacci.mlw"
     loclnum="65" loccnumb="10" loccnume="17"
     expl="VC for fib_aux"
-    sum="ce7200b4d670bc30104ecf121feeb9ce"
+    sum="fa6719c80ca3817412a0fdb9c3248c5b"
     proved="true"
     expanded="false"
     shape="iainfix =V5afibainfix +V6V2Iainfix =V1afibainfix +V6c1Aainfix =V0afibV6Aainfix &lt;=c0V6FIainfix =V5afibainfix +V7V3Iainfix =V4afibainfix +V7c1Aainfix =V1afibV7Aainfix &lt;=c0V7FFAainfix =V4afibainfix +V8c1Aainfix =V1afibV8Aainfix &lt;=c0V8EAainfix &gt;=V3c0Aainfix &lt;V3V2Aainfix &lt;=c0V2Lainfix +V0V1Lainfix -V2c1ainfix =V0afibainfix +V9V2Iainfix =V1afibainfix +V9c1Aainfix =V0afibV9Aainfix &lt;=c0V9Fainfix =V2c0Iainfix =V1afibainfix +V10c1Aainfix =V0afibV10Aainfix &lt;=c0V10EAainfix &gt;=V2c0F">
@@ -665,7 +665,7 @@
       locfile="../fibonacci.mlw"
       loclnum="65" loccnumb="10" loccnume="17"
       expl="1. postcondition"
-      sum="e833e782ae38ad97ad5e0c6ef0c729be"
+      sum="3d82ea4b5fafc72b2ef705f092608301"
       proved="true"
       expanded="false"
       shape="postconditionainfix =V0afibainfix +V3V2Iainfix =V1afibainfix +V3c1Aainfix =V0afibV3Aainfix &lt;=c0V3FIainfix =V2c0Iainfix =V1afibainfix +V4c1Aainfix =V0afibV4Aainfix &lt;=c0V4EAainfix &gt;=V2c0F">
@@ -701,7 +701,7 @@
       locfile="../fibonacci.mlw"
       loclnum="65" loccnumb="10" loccnume="17"
       expl="2. variant decrease"
-      sum="0b9fa288d276dbc63e11795d8fcb66b5"
+      sum="6c67bb9bef04c4142d38a34c54934935"
       proved="true"
       expanded="false"
       shape="variant decreaseainfix &lt;V3V2Aainfix &lt;=c0V2Lainfix +V0V1Lainfix -V2c1INainfix =V2c0Iainfix =V1afibainfix +V5c1Aainfix =V0afibV5Aainfix &lt;=c0V5EAainfix &gt;=V2c0F">
@@ -737,7 +737,7 @@
       locfile="../fibonacci.mlw"
       loclnum="65" loccnumb="10" loccnume="17"
       expl="3. precondition"
-      sum="0c8d0da63b9cbe1d8bb435f53fbbd7ff"
+      sum="700ae696e953b09498ea6c14038b9182"
       proved="true"
       expanded="false"
       shape="preconditionainfix &gt;=V3c0Lainfix +V0V1Lainfix -V2c1INainfix =V2c0Iainfix =V1afibainfix +V5c1Aainfix =V0afibV5Aainfix &lt;=c0V5EAainfix &gt;=V2c0F">
@@ -773,7 +773,7 @@
       locfile="../fibonacci.mlw"
       loclnum="65" loccnumb="10" loccnume="17"
       expl="4. precondition"
-      sum="a6382a2c842f049c9aa766730e9bc604"
+      sum="4e22773fe0992eaf3e9f0ecfac9758be"
       proved="true"
       expanded="false"
       shape="preconditionainfix =V4afibainfix +V5c1Aainfix =V1afibV5Aainfix &lt;=c0V5ELainfix +V0V1Lainfix -V2c1INainfix =V2c0Iainfix =V1afibainfix +V6c1Aainfix =V0afibV6Aainfix &lt;=c0V6EAainfix &gt;=V2c0F">
@@ -809,7 +809,7 @@
       locfile="../fibonacci.mlw"
       loclnum="65" loccnumb="10" loccnume="17"
       expl="5. postcondition"
-      sum="2b5d1b47064c7dab7072861ac83635f3"
+      sum="5452e83c66e86fe4f692341782f1e331"
       proved="true"
       expanded="false"
       shape="postconditionainfix =V5afibainfix +V6V2Iainfix =V1afibainfix +V6c1Aainfix =V0afibV6Aainfix &lt;=c0V6FIainfix =V5afibainfix +V7V3Iainfix =V4afibainfix +V7c1Aainfix =V1afibV7Aainfix &lt;=c0V7FFIainfix =V4afibainfix +V8c1Aainfix =V1afibV8Aainfix &lt;=c0V8EAainfix &gt;=V3c0Lainfix +V0V1Lainfix -V2c1INainfix =V2c0Iainfix =V1afibainfix +V9c1Aainfix =V0afibV9Aainfix &lt;=c0V9EAainfix &gt;=V2c0F">
@@ -847,7 +847,7 @@
     locfile="../fibonacci.mlw"
     loclnum="73" loccnumb="6" loccnume="9"
     expl="VC for fib"
-    sum="ff788be168bc6720e4fcbcc630a3251b"
+    sum="9601b8e33a77cc57dce1a4ed8594a7c8"
     proved="true"
     expanded="false"
     shape="ainfix =V1afibV0Iainfix =V1afibainfix +V2V0Iainfix =c1afibainfix +V2c1Aainfix =c0afibV2Aainfix &lt;=c0V2FFAainfix =c1afibainfix +V3c1Aainfix =c0afibV3Aainfix &lt;=c0V3EAainfix &gt;=V0c0Iainfix &lt;=c0V0F">
@@ -862,7 +862,7 @@
       locfile="../fibonacci.mlw"
       loclnum="73" loccnumb="6" loccnume="9"
       expl="1. precondition"
-      sum="456045ca837aaadb8d3e14826c4931e1"
+      sum="64d2fec2c0bb21621535f44cc2543ad1"
       proved="true"
       expanded="false"
       shape="preconditionainfix &gt;=V0c0Iainfix &lt;=c0V0F">
@@ -898,7 +898,7 @@
       locfile="../fibonacci.mlw"
       loclnum="73" loccnumb="6" loccnume="9"
       expl="2. precondition"
-      sum="077701aba00b6e3868691e15f797e52e"
+      sum="f917c53edee94f5a736b878579701c74"
       proved="true"
       expanded="false"
       shape="preconditionainfix =c1afibainfix +V1c1Aainfix =c0afibV1Aainfix &lt;=c0V1EIainfix &lt;=c0V0F">
@@ -934,7 +934,7 @@
       locfile="../fibonacci.mlw"
       loclnum="73" loccnumb="6" loccnume="9"
       expl="3. postcondition"
-      sum="079e370f11c30ae450b25105958acf9b"
+      sum="4894a2f538f7a1af188e97413791497f"
       proved="true"
       expanded="false"
       shape="postconditionainfix =V1afibV0Iainfix =V1afibainfix +V2V0Iainfix =c1afibainfix +V2c1Aainfix =c0afibV2Aainfix &lt;=c0V2FFIainfix =c1afibainfix +V3c1Aainfix =c0afibV3Aainfix &lt;=c0V3EAainfix &gt;=V0c0Iainfix &lt;=c0V0F">
@@ -988,7 +988,7 @@
     locfile="../fibonacci.mlw"
     loclnum="116" loccnumb="10" loccnume="16"
     expl="VC for logfib"
-    sum="4bf28360a9d6e26ec26ae0fa8808c94a"
+    sum="b234769e061bbd5fe5fd6a9cf24e4a08"
     proved="true"
     expanded="false"
     shape="iiainfix =apoweramk tc1c1c1c0V0amk tainfix +V5V6V6V6V5Lainfix +ainfix *V4V4ainfix *V3V3Lainfix *V3ainfix +V2V4ainfix =apoweramk tc1c1c1c0V0amk tainfix +V7V8V8V8V7Lainfix *V3ainfix +V2V4Lainfix +ainfix *V2V2ainfix *V3V3ainfix =amodV0c2c0Lainfix +V2V3Iainfix =apoweramk tc1c1c1c0V1amk tainfix +V2V3V3V3V2FAainfix &gt;=V1c0Aainfix &lt;V1V0Aainfix &lt;=c0V0LadivV0c2ainfix =apoweramk tc1c1c1c0V0amk tainfix +c1c0c0c0c1ainfix =V0c0Iainfix &gt;=V0c0F">
@@ -1003,7 +1003,7 @@
       locfile="../fibonacci.mlw"
       loclnum="116" loccnumb="10" loccnume="16"
       expl="1. postcondition"
-      sum="aad99960004fad0ac81327b1fa9f5bde"
+      sum="2148c502669840e526336c892be4c9d5"
       proved="true"
       expanded="false"
       shape="postconditionainfix =apoweramk tc1c1c1c0V0amk tainfix +c1c0c0c0c1Iainfix =V0c0Iainfix &gt;=V0c0F">
@@ -1047,7 +1047,7 @@
       locfile="../fibonacci.mlw"
       loclnum="116" loccnumb="10" loccnume="16"
       expl="2. variant decrease"
-      sum="69dbc6000e5ed466089f88ae608f96f1"
+      sum="790d16ef4127bfe071afa15d7f5881a0"
       proved="true"
       expanded="false"
       shape="variant decreaseainfix &lt;V1V0Aainfix &lt;=c0V0LadivV0c2INainfix =V0c0Iainfix &gt;=V0c0F">
@@ -1067,7 +1067,7 @@
       locfile="../fibonacci.mlw"
       loclnum="116" loccnumb="10" loccnume="16"
       expl="3. precondition"
-      sum="1948dc8995c19414f992e58bdc4b78c2"
+      sum="565ea219d06ce16740025d4d33c2ba1d"
       proved="true"
       expanded="false"
       shape="preconditionainfix &gt;=V1c0LadivV0c2INainfix =V0c0Iainfix &gt;=V0c0F">
@@ -1095,7 +1095,7 @@
       locfile="../fibonacci.mlw"
       loclnum="116" loccnumb="10" loccnume="16"
       expl="4. postcondition"
-      sum="2d1fa1ffec20672d247cc3406f329764"
+      sum="ee582ecd6d2cd6eaf949d9a7678104ae"
       proved="true"
       expanded="false"
       shape="postconditioniainfix =apoweramk tc1c1c1c0V0amk tainfix +V5V6V6V6V5Lainfix +ainfix *V4V4ainfix *V3V3Lainfix *V3ainfix +V2V4ainfix =apoweramk tc1c1c1c0V0amk tainfix +V7V8V8V8V7Lainfix *V3ainfix +V2V4Lainfix +ainfix *V2V2ainfix *V3V3ainfix =amodV0c2c0Lainfix +V2V3Iainfix =apoweramk tc1c1c1c0V1amk tainfix +V2V3V3V3V2FIainfix &gt;=V1c0LadivV0c2INainfix =V0c0Iainfix &gt;=V0c0F">
@@ -1108,7 +1108,7 @@
        edited="fibonacci_WP_FibonacciLogarithmic_WP_parameter_logfib_1.v"
        obsolete="false"
        archived="false">
-       <result status="valid" time="1.74"/>
+       <result status="valid" time="1.11"/>
       </proof>
      </goal>
     </transf>
@@ -1117,7 +1117,7 @@
     name="fib_m"
     locfile="../fibonacci.mlw"
     loclnum="139" loccnumb="8" loccnume="13"
-    sum="6cab3170c69efe9e0ce492e84380ae9e"
+    sum="374ab1e4f1cde3e73d3ff774f9ea0a10"
     proved="true"
     expanded="false"
     shape="ainfix =afibV0aa21V1Aainfix =afibainfix +V0c1aa11V1Lapoweram1110V0Iainfix &gt;=V0c0F">
@@ -1128,7 +1128,7 @@
      edited="fibonacci_WP_FibonacciLogarithmic_fib_m_1.v"
      obsolete="false"
      archived="false">
-     <result status="valid" time="1.53"/>
+     <result status="valid" time="0.97"/>
     </proof>
    </goal>
    <goal
@@ -1136,7 +1136,7 @@
     locfile="../fibonacci.mlw"
     loclnum="143" loccnumb="6" loccnume="10"
     expl="VC for fibo"
-    sum="8d9272c2a55a11be4a7275e8ee570b91"
+    sum="1226a3f65b7424fc384e981289e24755"
     proved="true"
     expanded="false"
     shape="ainfix =V2afibV0Iainfix =apoweramk tc1c1c1c0V0amk tainfix +V1V2V2V2V1FAainfix &gt;=V0c0Iainfix &gt;=V0c0F">
@@ -1164,7 +1164,7 @@
     locfile="../fibonacci.mlw"
     loclnum="147" loccnumb="6" loccnume="11"
     expl="VC for test0"
-    sum="3c8d9dd2cdb53195502768e132d69279"
+    sum="275bf4fe28193c7860affe5d2fe5c820"
     proved="true"
     expanded="false"
     shape="ainfix &gt;=c0c0">
@@ -1184,7 +1184,7 @@
     locfile="../fibonacci.mlw"
     loclnum="148" loccnumb="6" loccnume="11"
     expl="VC for test1"
-    sum="1732a25ce699e77bd9a0845dca10ab1f"
+    sum="853d4f4b25ed0f0c0d6593a501a642e8"
     proved="true"
     expanded="false"
     shape="ainfix &gt;=c1c0">
@@ -1204,7 +1204,7 @@
     locfile="../fibonacci.mlw"
     loclnum="149" loccnumb="6" loccnume="11"
     expl="VC for test7"
-    sum="2b9e8efef11dc133adcc197db54d8a02"
+    sum="7a9d7f1fc19ed80d91d9f50f2e21397f"
     proved="true"
     expanded="false"
     shape="ainfix &gt;=c7c0">
@@ -1224,7 +1224,7 @@
     locfile="../fibonacci.mlw"
     loclnum="150" loccnumb="6" loccnume="12"
     expl="VC for test42"
-    sum="9ea29275e13065a5ec0c46583f36222b"
+    sum="645cb4e141c2f517b4acb2b96b81a4f6"
     proved="true"
     expanded="false"
     shape="ainfix &gt;=c42c0">
@@ -1244,7 +1244,7 @@
     locfile="../fibonacci.mlw"
     loclnum="151" loccnumb="6" loccnume="14"
     expl="VC for test2014"
-    sum="91e058948eee1b25a5b3b3bbd6098fbd"
+    sum="d98446db0fb043dfad3916ab08646c99"
     proved="true"
     expanded="false"
     shape="ainfix &gt;=c2014c0">
@@ -1264,7 +1264,7 @@
     locfile="../fibonacci.mlw"
     loclnum="155" loccnumb="6" loccnume="11"
     expl="VC for bench"
-    sum="a7515d74b803668439d32a337276f930"
+    sum="1c8cc6e9591030300637b089cff31fd2"
     proved="true"
     expanded="false"
     shape="t">
diff --git a/examples/fill/why3session.xml b/examples/fill/why3session.xml
index f259f21a40e7ee9c8bbed156eb3d7616add91e5f..e3e03c10d4d26f4eda3681d0858b2c533c905da2 100644
--- a/examples/fill/why3session.xml
+++ b/examples/fill/why3session.xml
@@ -20,7 +20,7 @@
     locfile="../fill.mlw"
     loclnum="21" loccnumb="10" loccnume="14"
     expl="VC for fill"
-    sum="54f68147a978c58c7d986082f25212bb"
+    sum="6487ff96121bc3134674e8744b8bcadb"
     proved="true"
     expanded="true"
     shape="CacontainsV0agetV2V4Iainfix &lt;V4V3Aainfix &lt;=V3V4FAainfix &lt;=V3V1Aainfix &lt;=V3V3aNulliacontainsV0agetV8V10Iainfix &lt;V10V9Aainfix &lt;=V3V10FAainfix =agetV8V11agetV2V11Iainfix &lt;V11V3Aainfix &lt;=c0V11FAainfix &lt;=V9V1Aainfix &lt;=V3V9acontainsV0agetV14V16Iainfix &lt;V16V15Aainfix &lt;=V3V16FAainfix =agetV14V17agetV2V17Iainfix &lt;V17V3Aainfix &lt;=c0V17FAainfix &lt;=V15V1Aainfix &lt;=V3V15IacontainsV7agetV14V18Iainfix &lt;V18V15Aainfix &lt;=V13V18FAainfix =agetV14V19agetV12V19Iainfix &lt;V19V13Aainfix &lt;=c0V19FAainfix &lt;=V15V1Aainfix &lt;=V13V15Aainfix &lt;=c0V1FFAainfix &lt;=V13V1Aainfix &lt;=c0V13ACfaNullainfix =V21V7Oainfix =V20V7aNodeVwVV0Lainfix +V9c1Iainfix =V12asetV8V9V6Aainfix &lt;=c0V1FAainfix &lt;V9V1Aainfix &lt;=c0V9Nainfix =V9V1IacontainsV5agetV8V22Iainfix &lt;V22V9Aainfix &lt;=V3V22FAainfix =agetV8V23agetV2V23Iainfix &lt;V23V3Aainfix &lt;=c0V23FAainfix &lt;=V9V1Aainfix &lt;=V3V9Aainfix &lt;=c0V1FFAainfix &lt;=V3V1Aainfix &lt;=c0V3ACfaNullainfix =V25V5Oainfix =V24V5aNodeVwVV0aNodeVVVV0Iainfix &lt;=V3V1Aainfix &lt;=c0V3Aainfix &lt;=c0V1F">
diff --git a/examples/find/why3session.xml b/examples/find/why3session.xml
index 7a13c85bc6074c1405339940c661a142f2ba6312..c17069c0434b30a66591b990a4ec8911e8bc6b79 100644
--- a/examples/find/why3session.xml
+++ b/examples/find/why3session.xml
@@ -32,7 +32,7 @@
     locfile="../find.mlw"
     loclnum="40" loccnumb="6" loccnume="10"
     expl="VC for find"
-    sum="32e36d4968d9b9f7b8827e07569cbbd3"
+    sum="36172b5bed7ddeb854f8b0cdb03b6d3a"
     proved="true"
     expanded="true"
     shape="iapermut_allV6V2AafoundV6Aainfix &lt;=c0V0iiiainfix &lt;ainfix -V13V14ainfix -V3V4Aainfix &lt;=c0ainfix -V3V4Aainfix &lt;=V13a_NAainfix &lt;=c1V14Aapermut_allV12V2Aan_invariantV13V12Aam_invariantV14V12Iainfix =V14afFIainfix =V13afFainfix &lt;ainfix -V3V15ainfix -V3V4Aainfix &lt;=c0ainfix -V3V4Aainfix &lt;=V3a_NAainfix &lt;=c1V15Aapermut_allV12V2Aan_invariantV3V12Aam_invariantV15V12Iainfix =V15V10Fainfix &lt;=V10afainfix &lt;ainfix -V16V4ainfix -V3V4Aainfix &lt;=c0ainfix -V3V4Aainfix &lt;=V16a_NAainfix &lt;=c1V4Aapermut_allV12V2Aan_invariantV16V12Aam_invariantV4V12Iainfix =V16V9Fainfix &lt;=afV9Aainfix &lt;V9V3Aainfix &lt;V4V10iiiainfix &lt;ainfix -ainfix +ainfix +a_Nc2V18V17ainfix -ainfix +ainfix +a_Nc2V9V10Aainfix &lt;=c0ainfix -ainfix +ainfix +a_Nc2V9V10Aapermut_allV12V2AaterminationV17V18V4V3V8V12Aainfix &lt;=V17ainfix +a_Nc1Aainfix &lt;=c0V18Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V18V8V12Aai_invariantV4V3V17V8V12ainfix &lt;ainfix -ainfix +ainfix +a_Nc2V23V22ainfix -ainfix +ainfix +a_Nc2V9V10Aainfix &lt;=c0ainfix -ainfix +ainfix +a_Nc2V9V10Aapermut_allV21V2AaterminationV22V23V4V3V8V21Aainfix &lt;=V22ainfix +a_Nc1Aainfix &lt;=c0V23Aan_invariantV3V21Aam_invariantV4V21Aaj_invariantV4V3V23V8V21Aai_invariantV4V3V22V8V21Iainfix =V23ainfix -V18c1FIainfix =V22ainfix +V17c1FAainfix &lt;=V8agetV20V18Aainfix &lt;=agetV20V17V8AaexchangeV21V12V17V18Iainfix =V20asetV19V18agetV11V17Aainfix &lt;=c0V0Lamk arrayV0V20FAainfix &lt;V18V0Aainfix &lt;=c0V18Iainfix =V19asetV11V17agetV11V18Aainfix &lt;=c0V0FAainfix &lt;V17V0Aainfix &lt;=c0V17Aainfix &lt;V18V0Aainfix &lt;=c0V18Aainfix &lt;V17V0Aainfix &lt;=c0V17ainfix &lt;=V17V18Aainfix &lt;=V8agetV11V17Aainfix &lt;=agetV11V18V8ainfix &lt;V24V18Aainfix &lt;=c0V18AaterminationV17V24V4V3V8V12Aainfix &lt;=V4V24Aainfix &lt;=V24V9Aaj_invariantV4V3V24V8V12Iainfix =V24ainfix -V18c1Fainfix &lt;V8agetV11V18Aainfix &lt;V18V0Aainfix &lt;=c0V18IaterminationV17V18V4V3V8V12Aainfix &lt;=V4V18Aainfix &lt;=V18V9Aaj_invariantV4V3V18V8V12FAaterminationV17V9V4V3V8V12Aainfix &lt;=V4V9Aainfix &lt;=V9V9Aaj_invariantV4V3V9V8V12ainfix &lt;ainfix -ainfix +a_Nc1V25ainfix -ainfix +a_Nc1V17Aainfix &lt;=c0ainfix -ainfix +a_Nc1V17AaterminationV25V9V4V3V8V12Aainfix &lt;=V25V3Aainfix &lt;=V10V25Aai_invariantV4V3V25V8V12Iainfix =V25ainfix +V17c1Fainfix &lt;agetV11V17V8Aainfix &lt;V17V0Aainfix &lt;=c0V17Aainfix &lt;=c0V0IaterminationV17V9V4V3V8V12Aainfix &lt;=V17V3Aainfix &lt;=V10V17Aai_invariantV4V3V17V8V12FAaterminationV10V9V4V3V8V12Aainfix &lt;=V10V3Aainfix &lt;=V10V10Aai_invariantV4V3V10V8V12ainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FAapermut_allV6V2AaterminationV4V3V4V3V8V6Aainfix &lt;=V4ainfix +a_Nc1Aainfix &lt;=c0V3Aan_invariantV3V6Aam_invariantV4V6Aaj_invariantV4V3V3V8V6Aai_invariantV4V3V4V8V6LagetV5V7Aainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0Lafainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FAainfix &lt;=a_Na_NAainfix &lt;=c1c1Aapermut_allV2V2Aan_invarianta_NV2Aam_invariantc1V2Iainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -47,7 +47,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="1. loop invariant init"
-      sum="db95c8978c2e3dc604f86fecfaf9e2de"
+      sum="ca3f88e20ddfd4163e96ccbe41f01765"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix &lt;=a_Na_NAainfix &lt;=c1c1Aapermut_allV2V2Aan_invarianta_NV2Aam_invariantc1V2Iainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -67,7 +67,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="2. type invariant"
-      sum="216192d77393bc2db70f6771d5c12576"
+      sum="fa2ba51983e4424421de761f1d2c5d28"
       proved="true"
       expanded="false"
       shape="type invariantainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -87,7 +87,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="3. index in array bounds"
-      sum="f28f0b9ee908df1c9b9c2c791025a1f2"
+      sum="29e672cb9842e0deeaf2a11cff739838"
       proved="true"
       expanded="false"
       shape="index in array boundsainfix &lt;V7V0Aainfix &lt;=c0V7Iainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -107,7 +107,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="4. loop invariant init"
-      sum="7c1e5b7fd6eb23bba0d5eb07b3086408"
+      sum="98a0f4a446d6a4e45b071d2573b94fa2"
       proved="true"
       expanded="false"
       shape="loop invariant initapermut_allV6V2AaterminationV4V3V4V3V8V6Aainfix &lt;=V4ainfix +a_Nc1Aainfix &lt;=c0V3Aan_invariantV3V6Aam_invariantV4V6Aaj_invariantV4V3V3V8V6Aai_invariantV4V3V4V8V6LagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -127,7 +127,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="5. loop invariant init"
-      sum="de6da740e4056c4d05b4b1a5038544e7"
+      sum="5faa638cd6366eb29bd4458cdf4acc9d"
       proved="true"
       expanded="false"
       shape="loop invariant initaterminationV10V9V4V3V8V12Aainfix &lt;=V10V3Aainfix &lt;=V10V10Aai_invariantV4V3V10V8V12Iainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -147,7 +147,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="6. type invariant"
-      sum="fdcc131146640aeaa3d458d5d40c8ae0"
+      sum="e464273cb44a8de8f932980d9b210342"
       proved="true"
       expanded="false"
       shape="type invariantainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -167,7 +167,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="7. index in array bounds"
-      sum="c6b301641a379cd9db935dcfb5f3e268"
+      sum="48e57969764e3ddd0f45215008770d9c"
       proved="true"
       expanded="false"
       shape="index in array boundsainfix &lt;V13V0Aainfix &lt;=c0V13Iainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -187,7 +187,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="8. loop invariant preservation"
-      sum="50d13d170e4b28e7d702b9e3c06d75b5"
+      sum="7b3683dae8bcb6cf9d2697ee24c63b70"
       proved="true"
       expanded="false"
       shape="loop invariant preservationaterminationV14V9V4V3V8V12Aainfix &lt;=V14V3Aainfix &lt;=V10V14Aai_invariantV4V3V14V8V12Iainfix =V14ainfix +V13c1FIainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -202,7 +202,7 @@
         locfile="../find.mlw"
         loclnum="40" loccnumb="6" loccnume="10"
         expl="1."
-        sum="94ee93600bcff6dc31924463a7425a68"
+        sum="201bb749f97f37ad7d08d9ff53e3c6c0"
         proved="true"
         expanded="false"
         shape="ai_invariantV4V3V14V8V12Iainfix =V14ainfix +V13c1FIainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -230,7 +230,7 @@
         locfile="../find.mlw"
         loclnum="40" loccnumb="6" loccnume="10"
         expl="2."
-        sum="baa35db76ec3a29dc67f57bf2301a7b6"
+        sum="d8d4125feb5c8f9a742580eed2793cee"
         proved="true"
         expanded="false"
         shape="ainfix &lt;=V10V14Iainfix =V14ainfix +V13c1FIainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -250,7 +250,7 @@
         locfile="../find.mlw"
         loclnum="40" loccnumb="6" loccnume="10"
         expl="3."
-        sum="b62b076ce6687ae3a1978f3f4649ff02"
+        sum="1d95993d3f3ad48d524d7a464be0e26b"
         proved="true"
         expanded="false"
         shape="ainfix &lt;=V14V3Iainfix =V14ainfix +V13c1FIainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -270,7 +270,7 @@
         locfile="../find.mlw"
         loclnum="40" loccnumb="6" loccnume="10"
         expl="4."
-        sum="6a693879def2f95e31bbc95317c8bf5a"
+        sum="3d2667131acb1e3e3ec655243afea2c8"
         proved="true"
         expanded="false"
         shape="aterminationV14V9V4V3V8V12Iainfix =V14ainfix +V13c1FIainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -292,7 +292,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="9. loop variant decrease"
-      sum="fe0662390ef00c9684818a77e6de2183"
+      sum="9f91b562c2b06ed5258bf5a5a2ff0179"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix &lt;ainfix -ainfix +a_Nc1V14ainfix -ainfix +a_Nc1V13Aainfix &lt;=c0ainfix -ainfix +a_Nc1V13Iainfix =V14ainfix +V13c1FIainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -312,7 +312,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="10. loop invariant init"
-      sum="c2f703d3f65a3b4aac2a823d7bea80f6"
+      sum="328e5ce447ff179ee618f825bbc06a12"
       proved="true"
       expanded="false"
       shape="loop invariant initaterminationV13V9V4V3V8V12Aainfix &lt;=V4V9Aainfix &lt;=V9V9Aaj_invariantV4V3V9V8V12INainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -332,7 +332,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="11. index in array bounds"
-      sum="8f27c2a3e335b91a68041459543b3ac7"
+      sum="2af25fc8de73c7e857ffa6dfc84a892d"
       proved="true"
       expanded="false"
       shape="index in array boundsainfix &lt;V14V0Aainfix &lt;=c0V14IaterminationV13V14V4V3V8V12Aainfix &lt;=V4V14Aainfix &lt;=V14V9Aaj_invariantV4V3V14V8V12FINainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -355,7 +355,7 @@
         locfile="../find.mlw"
         loclnum="40" loccnumb="6" loccnume="10"
         expl="1."
-        sum="4e0d32b0c465c0a5f2141b9d58ade09f"
+        sum="6cf60e3c4683708c8a9da4ea777d010c"
         proved="true"
         expanded="false"
         shape="ainfix &lt;=c0V14IaterminationV13V14V4V3V8V12Aainfix &lt;=V4V14Aainfix &lt;=V14V9Aaj_invariantV4V3V14V8V12FINainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -375,7 +375,7 @@
         locfile="../find.mlw"
         loclnum="40" loccnumb="6" loccnume="10"
         expl="2."
-        sum="b7725e0c916356acdebb208fe6ef3323"
+        sum="3cecd1b64f7c4612a94b220a7b96000f"
         proved="true"
         expanded="false"
         shape="ainfix &lt;V14V0IaterminationV13V14V4V3V8V12Aainfix &lt;=V4V14Aainfix &lt;=V14V9Aaj_invariantV4V3V14V8V12FINainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -413,7 +413,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="12. loop invariant preservation"
-      sum="428defea5ff5fdacb2ed6a5925507a55"
+      sum="3266ac2f618c4b6dddd9b4f1ce0444d0"
       proved="true"
       expanded="false"
       shape="loop invariant preservationaterminationV13V15V4V3V8V12Aainfix &lt;=V4V15Aainfix &lt;=V15V9Aaj_invariantV4V3V15V8V12Iainfix =V15ainfix -V14c1FIainfix &lt;V8agetV11V14Iainfix &lt;V14V0Aainfix &lt;=c0V14IaterminationV13V14V4V3V8V12Aainfix &lt;=V4V14Aainfix &lt;=V14V9Aaj_invariantV4V3V14V8V12FINainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -428,7 +428,7 @@
         locfile="../find.mlw"
         loclnum="40" loccnumb="6" loccnume="10"
         expl="1."
-        sum="ac79353c01c41355cb52404bd5c30d2a"
+        sum="d5dc1e65cf836beb617dfa9027cc29e3"
         proved="true"
         expanded="false"
         shape="aj_invariantV4V3V15V8V12Iainfix =V15ainfix -V14c1FIainfix &lt;V8agetV11V14Iainfix &lt;V14V0Aainfix &lt;=c0V14IaterminationV13V14V4V3V8V12Aainfix &lt;=V4V14Aainfix &lt;=V14V9Aaj_invariantV4V3V14V8V12FINainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -448,7 +448,7 @@
         locfile="../find.mlw"
         loclnum="40" loccnumb="6" loccnume="10"
         expl="2."
-        sum="a7466c5368fb62160eae4297ac9f4af0"
+        sum="51b4c71a694dd120260d883b32db18a1"
         proved="true"
         expanded="false"
         shape="ainfix &lt;=V15V9Iainfix =V15ainfix -V14c1FIainfix &lt;V8agetV11V14Iainfix &lt;V14V0Aainfix &lt;=c0V14IaterminationV13V14V4V3V8V12Aainfix &lt;=V4V14Aainfix &lt;=V14V9Aaj_invariantV4V3V14V8V12FINainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -468,7 +468,7 @@
         locfile="../find.mlw"
         loclnum="40" loccnumb="6" loccnume="10"
         expl="3."
-        sum="b550ba7ff70dbac7244773225c4f86e7"
+        sum="cf8bc1423eb34f1fc21d7be922f2709b"
         proved="true"
         expanded="false"
         shape="ainfix &lt;=V4V15Iainfix =V15ainfix -V14c1FIainfix &lt;V8agetV11V14Iainfix &lt;V14V0Aainfix &lt;=c0V14IaterminationV13V14V4V3V8V12Aainfix &lt;=V4V14Aainfix &lt;=V14V9Aaj_invariantV4V3V14V8V12FINainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -488,7 +488,7 @@
         locfile="../find.mlw"
         loclnum="40" loccnumb="6" loccnume="10"
         expl="4."
-        sum="b52ab74d2420af0f78f94fa52ee0ad67"
+        sum="aff02edc39b8de998f9110547ef66ce6"
         proved="true"
         expanded="false"
         shape="aterminationV13V15V4V3V8V12Iainfix =V15ainfix -V14c1FIainfix &lt;V8agetV11V14Iainfix &lt;V14V0Aainfix &lt;=c0V14IaterminationV13V14V4V3V8V12Aainfix &lt;=V4V14Aainfix &lt;=V14V9Aaj_invariantV4V3V14V8V12FINainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -510,7 +510,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="13. loop variant decrease"
-      sum="dbe046c08f0c0d1bb474e6db2fc8123a"
+      sum="009057d210044044a29c9b29af6a7db4"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix &lt;V15V14Aainfix &lt;=c0V14Iainfix =V15ainfix -V14c1FIainfix &lt;V8agetV11V14Iainfix &lt;V14V0Aainfix &lt;=c0V14IaterminationV13V14V4V3V8V12Aainfix &lt;=V4V14Aainfix &lt;=V14V9Aaj_invariantV4V3V14V8V12FINainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -530,7 +530,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="14. assertion"
-      sum="adbd93101dc428c51f5f4d2cd89ffc23"
+      sum="cbea7ad77de7b1a5fca9aeb8e313ac7d"
       proved="true"
       expanded="false"
       shape="assertionainfix &lt;=V8agetV11V13Aainfix &lt;=agetV11V14V8INainfix &lt;V8agetV11V14Iainfix &lt;V14V0Aainfix &lt;=c0V14IaterminationV13V14V4V3V8V12Aainfix &lt;=V4V14Aainfix &lt;=V14V9Aaj_invariantV4V3V14V8V12FINainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -550,7 +550,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="15. index in array bounds"
-      sum="11d47c037f133c7926ccee9821b2942b"
+      sum="1e2fba7763bf9bab004d314efb596706"
       proved="true"
       expanded="false"
       shape="index in array boundsainfix &lt;V13V0Aainfix &lt;=c0V13Iainfix &lt;=V13V14Iainfix &lt;=V8agetV11V13Aainfix &lt;=agetV11V14V8INainfix &lt;V8agetV11V14Iainfix &lt;V14V0Aainfix &lt;=c0V14IaterminationV13V14V4V3V8V12Aainfix &lt;=V4V14Aainfix &lt;=V14V9Aaj_invariantV4V3V14V8V12FINainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -570,7 +570,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="16. index in array bounds"
-      sum="1c0bbd27a8f18b01976a7ee6991be9ec"
+      sum="3c0f8fde3353290027a7a7adccec0d38"
       proved="true"
       expanded="false"
       shape="index in array boundsainfix &lt;V14V0Aainfix &lt;=c0V14Iainfix &lt;V13V0Aainfix &lt;=c0V13Iainfix &lt;=V13V14Iainfix &lt;=V8agetV11V13Aainfix &lt;=agetV11V14V8INainfix &lt;V8agetV11V14Iainfix &lt;V14V0Aainfix &lt;=c0V14IaterminationV13V14V4V3V8V12Aainfix &lt;=V4V14Aainfix &lt;=V14V9Aaj_invariantV4V3V14V8V12FINainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -590,7 +590,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="17. index in array bounds"
-      sum="0282b4a1fac3a853e0a0db5010dd08ce"
+      sum="604840f5d18f47d4ef49f7dae160932c"
       proved="true"
       expanded="false"
       shape="index in array boundsainfix &lt;V13V0Aainfix &lt;=c0V13Iainfix &lt;V14V0Aainfix &lt;=c0V14Iainfix &lt;V13V0Aainfix &lt;=c0V13Iainfix &lt;=V13V14Iainfix &lt;=V8agetV11V13Aainfix &lt;=agetV11V14V8INainfix &lt;V8agetV11V14Iainfix &lt;V14V0Aainfix &lt;=c0V14IaterminationV13V14V4V3V8V12Aainfix &lt;=V4V14Aainfix &lt;=V14V9Aaj_invariantV4V3V14V8V12FINainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -610,7 +610,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="18. index in array bounds"
-      sum="fcf929a191594f3a02a3be2f2cadc4d3"
+      sum="5a696a6683083a63ee5c0d6152c5acc2"
       proved="true"
       expanded="false"
       shape="index in array boundsainfix &lt;V14V0Aainfix &lt;=c0V14Iainfix =V15asetV11V13agetV11V14Aainfix &lt;=c0V0FIainfix &lt;V13V0Aainfix &lt;=c0V13Iainfix &lt;V14V0Aainfix &lt;=c0V14Iainfix &lt;V13V0Aainfix &lt;=c0V13Iainfix &lt;=V13V14Iainfix &lt;=V8agetV11V13Aainfix &lt;=agetV11V14V8INainfix &lt;V8agetV11V14Iainfix &lt;V14V0Aainfix &lt;=c0V14IaterminationV13V14V4V3V8V12Aainfix &lt;=V4V14Aainfix &lt;=V14V9Aaj_invariantV4V3V14V8V12FINainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -630,7 +630,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="19. assertion"
-      sum="8d51bced0669b2ff5e5eb626dd979d18"
+      sum="d2906e50bee0c2f392d88050dce45f4c"
       proved="true"
       expanded="false"
       shape="assertionaexchangeV17V12V13V14Iainfix =V16asetV15V14agetV11V13Aainfix &lt;=c0V0Lamk arrayV0V16FIainfix &lt;V14V0Aainfix &lt;=c0V14Iainfix =V15asetV11V13agetV11V14Aainfix &lt;=c0V0FIainfix &lt;V13V0Aainfix &lt;=c0V13Iainfix &lt;V14V0Aainfix &lt;=c0V14Iainfix &lt;V13V0Aainfix &lt;=c0V13Iainfix &lt;=V13V14Iainfix &lt;=V8agetV11V13Aainfix &lt;=agetV11V14V8INainfix &lt;V8agetV11V14Iainfix &lt;V14V0Aainfix &lt;=c0V14IaterminationV13V14V4V3V8V12Aainfix &lt;=V4V14Aainfix &lt;=V14V9Aaj_invariantV4V3V14V8V12FINainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -642,7 +642,7 @@
        memlimit="0"
        obsolete="false"
        archived="false">
-       <result status="valid" time="1.63"/>
+       <result status="valid" time="1.01"/>
       </proof>
      </goal>
      <goal
@@ -650,7 +650,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="20. assertion"
-      sum="dafd58383a18de2dad3046a543bc9fb0"
+      sum="918c18b25dbb3bce50ac67e8d088e1e1"
       proved="true"
       expanded="false"
       shape="assertionainfix &lt;=agetV16V13V8IaexchangeV17V12V13V14Iainfix =V16asetV15V14agetV11V13Aainfix &lt;=c0V0Lamk arrayV0V16FIainfix &lt;V14V0Aainfix &lt;=c0V14Iainfix =V15asetV11V13agetV11V14Aainfix &lt;=c0V0FIainfix &lt;V13V0Aainfix &lt;=c0V13Iainfix &lt;V14V0Aainfix &lt;=c0V14Iainfix &lt;V13V0Aainfix &lt;=c0V13Iainfix &lt;=V13V14Iainfix &lt;=V8agetV11V13Aainfix &lt;=agetV11V14V8INainfix &lt;V8agetV11V14Iainfix &lt;V14V0Aainfix &lt;=c0V14IaterminationV13V14V4V3V8V12Aainfix &lt;=V4V14Aainfix &lt;=V14V9Aaj_invariantV4V3V14V8V12FINainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -670,7 +670,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="21. assertion"
-      sum="5d5b8023273c0898ee2d012b18b42379"
+      sum="ee357b1714f39d3d008e065da5855bd6"
       proved="true"
       expanded="false"
       shape="assertionainfix &lt;=V8agetV16V14Iainfix &lt;=agetV16V13V8IaexchangeV17V12V13V14Iainfix =V16asetV15V14agetV11V13Aainfix &lt;=c0V0Lamk arrayV0V16FIainfix &lt;V14V0Aainfix &lt;=c0V14Iainfix =V15asetV11V13agetV11V14Aainfix &lt;=c0V0FIainfix &lt;V13V0Aainfix &lt;=c0V13Iainfix &lt;V14V0Aainfix &lt;=c0V14Iainfix &lt;V13V0Aainfix &lt;=c0V13Iainfix &lt;=V13V14Iainfix &lt;=V8agetV11V13Aainfix &lt;=agetV11V14V8INainfix &lt;V8agetV11V14Iainfix &lt;V14V0Aainfix &lt;=c0V14IaterminationV13V14V4V3V8V12Aainfix &lt;=V4V14Aainfix &lt;=V14V9Aaj_invariantV4V3V14V8V12FINainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -690,7 +690,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="22. loop invariant preservation"
-      sum="a8c05311e0792d92f2e1ee8459967eb0"
+      sum="9b9ca2b40ab52e880693ffeed0add79f"
       proved="true"
       expanded="true"
       shape="loop invariant preservationapermut_allV17V2AaterminationV18V19V4V3V8V17Aainfix &lt;=V18ainfix +a_Nc1Aainfix &lt;=c0V19Aan_invariantV3V17Aam_invariantV4V17Aaj_invariantV4V3V19V8V17Aai_invariantV4V3V18V8V17Iainfix =V19ainfix -V14c1FIainfix =V18ainfix +V13c1FIainfix &lt;=V8agetV16V14Iainfix &lt;=agetV16V13V8IaexchangeV17V12V13V14Iainfix =V16asetV15V14agetV11V13Aainfix &lt;=c0V0Lamk arrayV0V16FIainfix &lt;V14V0Aainfix &lt;=c0V14Iainfix =V15asetV11V13agetV11V14Aainfix &lt;=c0V0FIainfix &lt;V13V0Aainfix &lt;=c0V13Iainfix &lt;V14V0Aainfix &lt;=c0V14Iainfix &lt;V13V0Aainfix &lt;=c0V13Iainfix &lt;=V13V14Iainfix &lt;=V8agetV11V13Aainfix &lt;=agetV11V14V8INainfix &lt;V8agetV11V14Iainfix &lt;V14V0Aainfix &lt;=c0V14IaterminationV13V14V4V3V8V12Aainfix &lt;=V4V14Aainfix &lt;=V14V9Aaj_invariantV4V3V14V8V12FINainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -703,7 +703,7 @@
        edited="find_WP_FIND_WP_parameter_find_4.v"
        obsolete="false"
        archived="false">
-       <result status="valid" time="16.79"/>
+       <result status="valid" time="10.44"/>
       </proof>
      </goal>
      <goal
@@ -711,7 +711,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="23. loop variant decrease"
-      sum="0b64c8176e5edb7a07cf1af2cb4626d5"
+      sum="70277adec57fd5be8dd2a5050d7861ad"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix &lt;ainfix -ainfix +ainfix +a_Nc2V19V18ainfix -ainfix +ainfix +a_Nc2V9V10Aainfix &lt;=c0ainfix -ainfix +ainfix +a_Nc2V9V10Iainfix =V19ainfix -V14c1FIainfix =V18ainfix +V13c1FIainfix &lt;=V8agetV16V14Iainfix &lt;=agetV16V13V8IaexchangeV17V12V13V14Iainfix =V16asetV15V14agetV11V13Aainfix &lt;=c0V0Lamk arrayV0V16FIainfix &lt;V14V0Aainfix &lt;=c0V14Iainfix =V15asetV11V13agetV11V14Aainfix &lt;=c0V0FIainfix &lt;V13V0Aainfix &lt;=c0V13Iainfix &lt;V14V0Aainfix &lt;=c0V14Iainfix &lt;V13V0Aainfix &lt;=c0V13Iainfix &lt;=V13V14Iainfix &lt;=V8agetV11V13Aainfix &lt;=agetV11V14V8INainfix &lt;V8agetV11V14Iainfix &lt;V14V0Aainfix &lt;=c0V14IaterminationV13V14V4V3V8V12Aainfix &lt;=V4V14Aainfix &lt;=V14V9Aaj_invariantV4V3V14V8V12FINainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -731,7 +731,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="24. loop invariant preservation"
-      sum="ab4f4405b4581701bc44724b8af31f82"
+      sum="976c1df0ccba55fd0b782a7bdf850650"
       proved="true"
       expanded="false"
       shape="loop invariant preservationapermut_allV12V2AaterminationV13V14V4V3V8V12Aainfix &lt;=V13ainfix +a_Nc1Aainfix &lt;=c0V14Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V14V8V12Aai_invariantV4V3V13V8V12INainfix &lt;=V13V14Iainfix &lt;=V8agetV11V13Aainfix &lt;=agetV11V14V8INainfix &lt;V8agetV11V14Iainfix &lt;V14V0Aainfix &lt;=c0V14IaterminationV13V14V4V3V8V12Aainfix &lt;=V4V14Aainfix &lt;=V14V9Aaj_invariantV4V3V14V8V12FINainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -751,7 +751,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="25. loop variant decrease"
-      sum="4e8f3866cda1379db6894bff6bf87d8e"
+      sum="0879d04e6733a98247d6159bd850378e"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix &lt;ainfix -ainfix +ainfix +a_Nc2V14V13ainfix -ainfix +ainfix +a_Nc2V9V10Aainfix &lt;=c0ainfix -ainfix +ainfix +a_Nc2V9V10INainfix &lt;=V13V14Iainfix &lt;=V8agetV11V13Aainfix &lt;=agetV11V14V8INainfix &lt;V8agetV11V14Iainfix &lt;V14V0Aainfix &lt;=c0V14IaterminationV13V14V4V3V8V12Aainfix &lt;=V4V14Aainfix &lt;=V14V9Aaj_invariantV4V3V14V8V12FINainfix &lt;agetV11V13V8Iainfix &lt;V13V0Aainfix &lt;=c0V13Aainfix &lt;=c0V0IaterminationV13V9V4V3V8V12Aainfix &lt;=V13V3Aainfix &lt;=V10V13Aai_invariantV4V3V13V8V12FIainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -771,7 +771,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="26. assertion"
-      sum="715cbfd4c14c0af0cefefdb1d0b4df9a"
+      sum="68ed03df71b42901106e3f7d073d9c73"
       proved="true"
       expanded="false"
       shape="assertionainfix &lt;V9V3Aainfix &lt;V4V10INainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -791,7 +791,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="27. loop invariant preservation"
-      sum="6a9d0376eaa489afe59c3bc7b04b7674"
+      sum="c636b4d63bbbd8bceb6f64374e9d789b"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &lt;=V13a_NAainfix &lt;=c1V4Aapermut_allV12V2Aan_invariantV13V12Aam_invariantV4V12Iainfix =V13V9FIainfix &lt;=afV9Iainfix &lt;V9V3Aainfix &lt;V4V10INainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -803,7 +803,7 @@
        memlimit="0"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.31"/>
+       <result status="valid" time="0.16"/>
       </proof>
      </goal>
      <goal
@@ -811,7 +811,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="28. loop variant decrease"
-      sum="154db981629d1511e0400b8eb9a743d3"
+      sum="3bd6a8e2f30e7e1bad0ad469eeeb1021"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix &lt;ainfix -V13V4ainfix -V3V4Aainfix &lt;=c0ainfix -V3V4Iainfix =V13V9FIainfix &lt;=afV9Iainfix &lt;V9V3Aainfix &lt;V4V10INainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -831,7 +831,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="29. loop invariant preservation"
-      sum="626bd3110a62f488806b38eb216be343"
+      sum="2f861fb16b167f9489d9418a7523d86d"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &lt;=V3a_NAainfix &lt;=c1V13Aapermut_allV12V2Aan_invariantV3V12Aam_invariantV13V12Iainfix =V13V10FIainfix &lt;=V10afINainfix &lt;=afV9Iainfix &lt;V9V3Aainfix &lt;V4V10INainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -846,7 +846,7 @@
         locfile="../find.mlw"
         loclnum="40" loccnumb="6" loccnume="10"
         expl="1."
-        sum="7ef9ca216f21c87377680d82f504382e"
+        sum="02ea50d56fc50e2020c26cd731993cb9"
         proved="true"
         expanded="false"
         shape="am_invariantV13V12Iainfix =V13V10FIainfix &lt;=V10afINainfix &lt;=afV9Iainfix &lt;V9V3Aainfix &lt;V4V10INainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -866,7 +866,7 @@
         locfile="../find.mlw"
         loclnum="40" loccnumb="6" loccnume="10"
         expl="2."
-        sum="3be27d0e01ade46705fc50568f397167"
+        sum="10be47a99ac0d2b68382d33ca9aafe94"
         proved="true"
         expanded="false"
         shape="an_invariantV3V12Iainfix =V13V10FIainfix &lt;=V10afINainfix &lt;=afV9Iainfix &lt;V9V3Aainfix &lt;V4V10INainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -886,7 +886,7 @@
         locfile="../find.mlw"
         loclnum="40" loccnumb="6" loccnume="10"
         expl="3."
-        sum="4c1df771551ec776b96366e0a239aa7b"
+        sum="a5a9f085c7d8747058cc6bb136600283"
         proved="true"
         expanded="false"
         shape="apermut_allV12V2Iainfix =V13V10FIainfix &lt;=V10afINainfix &lt;=afV9Iainfix &lt;V9V3Aainfix &lt;V4V10INainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -906,7 +906,7 @@
         locfile="../find.mlw"
         loclnum="40" loccnumb="6" loccnume="10"
         expl="4."
-        sum="3c48bdd3b4818eb6b7d3a2465f1e5e59"
+        sum="8ca0a4010cc6372ead9a95e788813415"
         proved="true"
         expanded="false"
         shape="ainfix &lt;=c1V13Iainfix =V13V10FIainfix &lt;=V10afINainfix &lt;=afV9Iainfix &lt;V9V3Aainfix &lt;V4V10INainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -926,7 +926,7 @@
         locfile="../find.mlw"
         loclnum="40" loccnumb="6" loccnume="10"
         expl="5."
-        sum="f078671ba147dd4e1c842bc5bddbdcd7"
+        sum="6d659c9e44c8a644905f61f3426dff9e"
         proved="true"
         expanded="false"
         shape="ainfix &lt;=V3a_NIainfix =V13V10FIainfix &lt;=V10afINainfix &lt;=afV9Iainfix &lt;V9V3Aainfix &lt;V4V10INainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -948,7 +948,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="30. loop variant decrease"
-      sum="e247482903f866e99ed8919ba1c672a4"
+      sum="eabbd1d91a52661a0b96ef9ef58eb63b"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix &lt;ainfix -V3V13ainfix -V3V4Aainfix &lt;=c0ainfix -V3V4Iainfix =V13V10FIainfix &lt;=V10afINainfix &lt;=afV9Iainfix &lt;V9V3Aainfix &lt;V4V10INainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -968,7 +968,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="31. loop invariant preservation"
-      sum="29c91419eebf04a903532dadad18494f"
+      sum="9c57016ce45c863013f81f58d7258929"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &lt;=V13a_NAainfix &lt;=c1V14Aapermut_allV12V2Aan_invariantV13V12Aam_invariantV14V12Iainfix =V14afFIainfix =V13afFINainfix &lt;=V10afINainfix &lt;=afV9Iainfix &lt;V9V3Aainfix &lt;V4V10INainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -988,7 +988,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="32. loop variant decrease"
-      sum="894d3c5570d1ea980c0c3dfea5a8a74c"
+      sum="976241b2c020fb46025a5aec893a3d35"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix &lt;ainfix -V13V14ainfix -V3V4Aainfix &lt;=c0ainfix -V3V4Iainfix =V14afFIainfix =V13afFINainfix &lt;=V10afINainfix &lt;=afV9Iainfix &lt;V9V3Aainfix &lt;V4V10INainfix &lt;=V10V9Iapermut_allV12V2AaterminationV10V9V4V3V8V12Aainfix &lt;=V10ainfix +a_Nc1Aainfix &lt;=c0V9Aan_invariantV3V12Aam_invariantV4V12Aaj_invariantV4V3V9V8V12Aai_invariantV4V3V10V8V12Lamk arrayV0V11FLagetV5V7Iainfix &lt;V7V0Aainfix &lt;=c0V7Aainfix &lt;=c0V0LafIainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -1008,7 +1008,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="33. type invariant"
-      sum="0c2bf076b949b6bff61105a5be2db2cc"
+      sum="29bfa9ea73ca14e924ee81eb293c4d6a"
       proved="true"
       expanded="false"
       shape="type invariantainfix &lt;=c0V0INainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -1028,7 +1028,7 @@
       locfile="../find.mlw"
       loclnum="40" loccnumb="6" loccnume="10"
       expl="34. postcondition"
-      sum="2d0659d36d42a82f1d6607f741c299c4"
+      sum="ab5455077ca9f5a092fd8730587f317b"
       proved="true"
       expanded="false"
       shape="postconditionapermut_allV6V2AafoundV6Iainfix &lt;=c0V0INainfix &lt;V4V3Iainfix &lt;=V3a_NAainfix &lt;=c1V4Aapermut_allV6V2Aan_invariantV3V6Aam_invariantV4V6Lamk arrayV0V5FIainfix =V0ainfix +a_Nc1Aainfix &lt;=c0V0Lamk arrayV0V1F">
diff --git a/examples/flag/why3session.xml b/examples/flag/why3session.xml
index a85cd448bbdebdbea52c802f44909d8d8bbe405f..0636593635bcb3978b636836f416cacaa0481c43 100644
--- a/examples/flag/why3session.xml
+++ b/examples/flag/why3session.xml
@@ -20,7 +20,7 @@
     locfile="../flag.mlw"
     loclnum="26" loccnumb="6" loccnume="16"
     expl="VC for dutch_flag"
-    sum="eed8ac03a3f1c2af0f09538e6e80e992"
+    sum="4a6a1485475f8fccf7e9ab0538541bfd"
     proved="true"
     expanded="true"
     shape="iapermut_allV2V7AamonochromeV7V9V0aRedAamonochromeV7V8V9aWhiteAamonochromeV7c0V8aBlueEAainfix &lt;=c0V0Cainfix &lt;ainfix -V3V13ainfix -V3V4Aainfix &lt;=c0ainfix -V3V4Aapermut_allV2V11AamonochromeV11V3V0aRedAamonochromeV11V12V13aWhiteAamonochromeV11c0V12aBlueAainfix &lt;=V3V0Aainfix &lt;=V13V3Aainfix &lt;=V12V13Aainfix &lt;=c0V12Iainfix =V13ainfix +V4c1FIainfix =V12ainfix +V5c1FIaexchangeV7V11V5V4Aainfix &lt;=c0V0Lamk arrayV0V10FAainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;V5V0Aainfix &lt;=c0V5aBlueainfix &lt;ainfix -V3V14ainfix -V3V4Aainfix &lt;=c0ainfix -V3V4Aapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V14aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V14V3Aainfix &lt;=V5V14Aainfix &lt;=c0V5Iainfix =V14ainfix +V4c1FaWhiteainfix &lt;ainfix -V15V4ainfix -V3V4Aainfix &lt;=c0ainfix -V3V4Aapermut_allV2V17AamonochromeV17V15V0aRedAamonochromeV17V5V4aWhiteAamonochromeV17c0V5aBlueAainfix &lt;=V15V0Aainfix &lt;=V4V15Aainfix &lt;=V5V4Aainfix &lt;=c0V5IaexchangeV7V17V15V4Aainfix &lt;=c0V0Lamk arrayV0V16FAainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;V15V0Aainfix &lt;=c0V15Iainfix =V15ainfix -V3c1FaRedagetV6V4Aainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;=c0V0ainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FAapermut_allV2V2AamonochromeV2V0V0aRedAamonochromeV2c0c0aWhiteAamonochromeV2c0c0aBlueAainfix &lt;=V0V0Aainfix &lt;=c0V0Aainfix &lt;=c0c0Aainfix &lt;=c0c0Iainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -35,7 +35,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="1. loop invariant init"
-      sum="48dbac489c0f5bbb12fcf6e056c5afd7"
+      sum="2cc6a915b76b9620b8af1dd3d57f254d"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix &lt;=V0V0Aainfix &lt;=c0V0Aainfix &lt;=c0c0Aainfix &lt;=c0c0Iainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -55,7 +55,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="2. loop invariant init"
-      sum="8256443d756a810ca45147cb74455528"
+      sum="4ec97db48644206cef3c72ee3eac1743"
       proved="true"
       expanded="false"
       shape="loop invariant initamonochromeV2c0c0aBlueIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -75,7 +75,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="3. loop invariant init"
-      sum="dc084ff1c550c03744c6901521c51bed"
+      sum="4c552e53c5aa8e599b4b4a846747e3df"
       proved="true"
       expanded="false"
       shape="loop invariant initamonochromeV2c0c0aWhiteIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -95,7 +95,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="4. loop invariant init"
-      sum="847500d1985a7e9c8dd46dc75eb017e4"
+      sum="b7378a3399f69a31ea3cc4474c7b590b"
       proved="true"
       expanded="false"
       shape="loop invariant initamonochromeV2V0V0aRedIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -115,7 +115,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="5. loop invariant init"
-      sum="18440a3d6c933da34439765aecf254b3"
+      sum="574bcbfb57993040aa890efa3f67e93c"
       proved="true"
       expanded="false"
       shape="loop invariant initapermut_allV2V2Iainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -135,7 +135,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="6. type invariant"
-      sum="6833774a3e997dfcf51f7d340861523a"
+      sum="f6712737f6f0c13b2012485bd016d4fc"
       proved="true"
       expanded="false"
       shape="type invariantainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -155,7 +155,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="7. index in array bounds"
-      sum="3c19e18e5c2946eec74e88b349fe911a"
+      sum="8c9c70e677a7ea80605b96d96728b7f3"
       proved="true"
       expanded="false"
       shape="index in array boundsainfix &lt;V4V0Aainfix &lt;=c0V4Iainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -175,7 +175,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="8. precondition"
-      sum="54be51f4775e6c2d2489ea5addad04dd"
+      sum="968e7e6b0bd750321a6dd3872261cc0c"
       proved="true"
       expanded="false"
       shape="preconditionCainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;V5V0Aainfix &lt;=c0V5aBluetaWhitetaRedagetV6V4Iainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -195,7 +195,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="9. loop invariant preservation"
-      sum="592ed80ef4da3091b0fcf9124ac2e813"
+      sum="f5aed6859dba4808e1c4d5b74802812f"
       proved="true"
       expanded="false"
       shape="loop invariant preservationCainfix &lt;=V3V0Aainfix &lt;=V11V3Aainfix &lt;=V10V11Aainfix &lt;=c0V10Iainfix =V11ainfix +V4c1FIainfix =V10ainfix +V5c1FIaexchangeV7V9V5V4Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;V5V0Aainfix &lt;=c0V5aBluetaWhitetaRedagetV6V4Iainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -215,7 +215,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="10. loop invariant preservation"
-      sum="b1a781eaa46a8e5da447a4d84b04087c"
+      sum="2b1fcb709aaa9582732401cbd973e91c"
       proved="true"
       expanded="false"
       shape="loop invariant preservationCamonochromeV9c0V10aBlueIainfix =V11ainfix +V4c1FIainfix =V10ainfix +V5c1FIaexchangeV7V9V5V4Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;V5V0Aainfix &lt;=c0V5aBluetaWhitetaRedagetV6V4Iainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -230,7 +230,7 @@
         locfile="../flag.mlw"
         loclnum="26" loccnumb="6" loccnume="16"
         expl="1. loop invariant preservation"
-        sum="77f047a1a5d6554d544ca55da6745983"
+        sum="d8c41fc9501b9e96206476f2c0d5ab2a"
         proved="true"
         expanded="false"
         shape="loop invariant preservationCainfix =agetaeltsV9V12aBlueIainfix &lt;V12V10Aainfix =c0V12Oainfix &lt;c0V12FIainfix =V11ainfix +V4c1FIainfix =V10ainfix +V5c1FIainfix =agetaeltsV7V13agetaeltsV9V13INainfix =V13V4INainfix =V13V5Iainfix &lt;V13alengthV7Aainfix =c0V13Oainfix &lt;c0V13FAainfix =agetaeltsV7V4agetaeltsV9V5Aainfix =agetaeltsV7V5agetaeltsV9V4Aainfix &lt;V4alengthV7Aainfix =c0V4Oainfix &lt;c0V4Aainfix &lt;V5alengthV7Aainfix =c0V5Oainfix &lt;c0V5Aainfix =alengthV7alengthV9Aainfix =c0V0Oainfix &lt;c0V0Lamk arrayV0V8FIainfix &lt;V4V0Aainfix =c0V4Oainfix &lt;c0V4Aainfix &lt;V5V0Aainfix =c0V5Oainfix &lt;c0V5aBluetaWhitetaRedagetV6V4Iainfix &lt;V4V0Aainfix =c0V4Oainfix &lt;c0V4Aainfix =c0V0Oainfix &lt;c0V0Iainfix &lt;V4V3Iainfix =aoccV14aeltsV2c0alengthV2aoccV14aeltsV7c0alengthV2FAainfix =alengthV2alengthV7Aainfix =agetaeltsV7V15aRedIainfix &lt;V15V0Aainfix =V3V15Oainfix &lt;V3V15FAainfix =agetaeltsV7V16aWhiteIainfix &lt;V16V4Aainfix =V5V16Oainfix &lt;V5V16FAainfix =agetaeltsV7V17aBlueIainfix &lt;V17V5Aainfix =c0V17Oainfix &lt;c0V17FAainfix =V3V0Oainfix &lt;V3V0Aainfix =V4V3Oainfix &lt;V4V3Aainfix =V5V4Oainfix &lt;V5V4Aainfix =c0V5Oainfix &lt;c0V5Lamk arrayV0V6FIainfix =c0V0Oainfix &lt;c0V0Lamk arrayV0V1F">
@@ -252,7 +252,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="11. loop invariant preservation"
-      sum="25135bc6029accf8a904c1eed4e00a10"
+      sum="bf26297893434a4a8c55a8410166f754"
       proved="true"
       expanded="false"
       shape="loop invariant preservationCamonochromeV9V10V11aWhiteIainfix =V11ainfix +V4c1FIainfix =V10ainfix +V5c1FIaexchangeV7V9V5V4Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;V5V0Aainfix &lt;=c0V5aBluetaWhitetaRedagetV6V4Iainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -267,7 +267,7 @@
         locfile="../flag.mlw"
         loclnum="26" loccnumb="6" loccnume="16"
         expl="1. loop invariant preservation"
-        sum="c26371049e6a65f55adf5ea6f3764b21"
+        sum="00b246f37973ccffd8d31502b5eff6a5"
         proved="true"
         expanded="false"
         shape="loop invariant preservationCainfix =agetaeltsV9V12aWhiteIainfix &lt;V12V11Aainfix =V10V12Oainfix &lt;V10V12FIainfix =V11ainfix +V4c1FIainfix =V10ainfix +V5c1FIainfix =agetaeltsV7V13agetaeltsV9V13INainfix =V13V4INainfix =V13V5Iainfix &lt;V13alengthV7Aainfix =c0V13Oainfix &lt;c0V13FAainfix =agetaeltsV7V4agetaeltsV9V5Aainfix =agetaeltsV7V5agetaeltsV9V4Aainfix &lt;V4alengthV7Aainfix =c0V4Oainfix &lt;c0V4Aainfix &lt;V5alengthV7Aainfix =c0V5Oainfix &lt;c0V5Aainfix =alengthV7alengthV9Aainfix =c0V0Oainfix &lt;c0V0Lamk arrayV0V8FIainfix &lt;V4V0Aainfix =c0V4Oainfix &lt;c0V4Aainfix &lt;V5V0Aainfix =c0V5Oainfix &lt;c0V5aBluetaWhitetaRedagetV6V4Iainfix &lt;V4V0Aainfix =c0V4Oainfix &lt;c0V4Aainfix =c0V0Oainfix &lt;c0V0Iainfix &lt;V4V3Iainfix =aoccV14aeltsV2c0alengthV2aoccV14aeltsV7c0alengthV2FAainfix =alengthV2alengthV7Aainfix =agetaeltsV7V15aRedIainfix &lt;V15V0Aainfix =V3V15Oainfix &lt;V3V15FAainfix =agetaeltsV7V16aWhiteIainfix &lt;V16V4Aainfix =V5V16Oainfix &lt;V5V16FAainfix =agetaeltsV7V17aBlueIainfix &lt;V17V5Aainfix =c0V17Oainfix &lt;c0V17FAainfix =V3V0Oainfix &lt;V3V0Aainfix =V4V3Oainfix &lt;V4V3Aainfix =V5V4Oainfix &lt;V5V4Aainfix =c0V5Oainfix &lt;c0V5Lamk arrayV0V6FIainfix =c0V0Oainfix &lt;c0V0Lamk arrayV0V1F">
@@ -279,7 +279,7 @@
          memlimit="1000"
          obsolete="false"
          archived="false">
-         <result status="valid" time="0.66"/>
+         <result status="valid" time="0.46"/>
         </proof>
        </goal>
       </transf>
@@ -289,7 +289,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="12. loop invariant preservation"
-      sum="f053080fc0c87b822dacb61af7cfce69"
+      sum="f8cda897fd77afb36af6e79dd094e4cc"
       proved="true"
       expanded="false"
       shape="loop invariant preservationCamonochromeV9V3V0aRedIainfix =V11ainfix +V4c1FIainfix =V10ainfix +V5c1FIaexchangeV7V9V5V4Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;V5V0Aainfix &lt;=c0V5aBluetaWhitetaRedagetV6V4Iainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -304,7 +304,7 @@
         locfile="../flag.mlw"
         loclnum="26" loccnumb="6" loccnume="16"
         expl="1. loop invariant preservation"
-        sum="51566b68e337e786855c0b7b047b61d6"
+        sum="57cc3a2662b1f729451e27ecc3bafc49"
         proved="true"
         expanded="false"
         shape="loop invariant preservationCainfix =agetaeltsV9V12aRedIainfix &lt;V12V0Aainfix =V3V12Oainfix &lt;V3V12FIainfix =V11ainfix +V4c1FIainfix =V10ainfix +V5c1FIainfix =agetaeltsV7V13agetaeltsV9V13INainfix =V13V4INainfix =V13V5Iainfix &lt;V13alengthV7Aainfix =c0V13Oainfix &lt;c0V13FAainfix =agetaeltsV7V4agetaeltsV9V5Aainfix =agetaeltsV7V5agetaeltsV9V4Aainfix &lt;V4alengthV7Aainfix =c0V4Oainfix &lt;c0V4Aainfix &lt;V5alengthV7Aainfix =c0V5Oainfix &lt;c0V5Aainfix =alengthV7alengthV9Aainfix =c0V0Oainfix &lt;c0V0Lamk arrayV0V8FIainfix &lt;V4V0Aainfix =c0V4Oainfix &lt;c0V4Aainfix &lt;V5V0Aainfix =c0V5Oainfix &lt;c0V5aBluetaWhitetaRedagetV6V4Iainfix &lt;V4V0Aainfix =c0V4Oainfix &lt;c0V4Aainfix =c0V0Oainfix &lt;c0V0Iainfix &lt;V4V3Iainfix =aoccV14aeltsV2c0alengthV2aoccV14aeltsV7c0alengthV2FAainfix =alengthV2alengthV7Aainfix =agetaeltsV7V15aRedIainfix &lt;V15V0Aainfix =V3V15Oainfix &lt;V3V15FAainfix =agetaeltsV7V16aWhiteIainfix &lt;V16V4Aainfix =V5V16Oainfix &lt;V5V16FAainfix =agetaeltsV7V17aBlueIainfix &lt;V17V5Aainfix =c0V17Oainfix &lt;c0V17FAainfix =V3V0Oainfix &lt;V3V0Aainfix =V4V3Oainfix &lt;V4V3Aainfix =V5V4Oainfix &lt;V5V4Aainfix =c0V5Oainfix &lt;c0V5Lamk arrayV0V6FIainfix =c0V0Oainfix &lt;c0V0Lamk arrayV0V1F">
@@ -316,7 +316,7 @@
          memlimit="1000"
          obsolete="false"
          archived="false">
-         <result status="valid" time="0.60"/>
+         <result status="valid" time="0.41"/>
         </proof>
        </goal>
       </transf>
@@ -326,7 +326,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="13. loop invariant preservation"
-      sum="79b9dad63a72eb101587fe77ee9776f4"
+      sum="2fb8b716e4bef88f44dc2480548cb57a"
       proved="true"
       expanded="false"
       shape="loop invariant preservationCapermut_allV2V9Iainfix =V11ainfix +V4c1FIainfix =V10ainfix +V5c1FIaexchangeV7V9V5V4Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;V5V0Aainfix &lt;=c0V5aBluetaWhitetaRedagetV6V4Iainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -346,7 +346,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="14. loop variant decrease"
-      sum="e5f0574e34155721d83577c0435287c4"
+      sum="f12fef27dd8cdc4dee46e80011dc8d7e"
       proved="true"
       expanded="false"
       shape="loop variant decreaseCainfix &lt;ainfix -V3V11ainfix -V3V4Aainfix &lt;=c0ainfix -V3V4Iainfix =V11ainfix +V4c1FIainfix =V10ainfix +V5c1FIaexchangeV7V9V5V4Aainfix &lt;=c0V0Lamk arrayV0V8FIainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;V5V0Aainfix &lt;=c0V5aBluetaWhitetaRedagetV6V4Iainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -366,7 +366,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="15. loop invariant preservation"
-      sum="8a12d2e5bd1e19963d31db8e1f397cc1"
+      sum="f0f2874d75b7017b2718ccbd65d81633"
       proved="true"
       expanded="false"
       shape="loop invariant preservationCtaBlueainfix &lt;=V3V0Aainfix &lt;=V8V3Aainfix &lt;=V5V8Aainfix &lt;=c0V5Iainfix =V8ainfix +V4c1FaWhitetaRedagetV6V4Iainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -386,7 +386,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="16. loop invariant preservation"
-      sum="98cd70618052ee9724682e44cbf153b2"
+      sum="338a166f32905fdb7be0655cb4ea92c1"
       proved="true"
       expanded="false"
       shape="loop invariant preservationCtaBlueamonochromeV7c0V5aBlueIainfix =V8ainfix +V4c1FaWhitetaRedagetV6V4Iainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -406,7 +406,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="17. loop invariant preservation"
-      sum="f01a2b6a85f5c7bb00d7c0a56268726a"
+      sum="f1bdde4e6b422686b87d403bbd8fd123"
       proved="true"
       expanded="false"
       shape="loop invariant preservationCtaBlueamonochromeV7V5V8aWhiteIainfix =V8ainfix +V4c1FaWhitetaRedagetV6V4Iainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -426,7 +426,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="18. loop invariant preservation"
-      sum="f0b81206b85fdcc9558c600887aa006a"
+      sum="24e839571a6039f9a79a5021c9c54c10"
       proved="true"
       expanded="false"
       shape="loop invariant preservationCtaBlueamonochromeV7V3V0aRedIainfix =V8ainfix +V4c1FaWhitetaRedagetV6V4Iainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -446,7 +446,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="19. loop invariant preservation"
-      sum="7e068a405461c1e96312ca49b697d455"
+      sum="1b909ebc30019aeb9db5b78bf4968145"
       proved="true"
       expanded="false"
       shape="loop invariant preservationCtaBlueapermut_allV2V7Iainfix =V8ainfix +V4c1FaWhitetaRedagetV6V4Iainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -466,7 +466,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="20. loop variant decrease"
-      sum="543b53a10df39545a8ecfb2d5d7c6abf"
+      sum="8b7f3ad1e60d0a0a81638d63f097ac2e"
       proved="true"
       expanded="false"
       shape="loop variant decreaseCtaBlueainfix &lt;ainfix -V3V8ainfix -V3V4Aainfix &lt;=c0ainfix -V3V4Iainfix =V8ainfix +V4c1FaWhitetaRedagetV6V4Iainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -486,7 +486,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="21. precondition"
-      sum="b551b0aa1488626c56babf74b53273dc"
+      sum="eb5c889e0763ca6641c7a6518c9f1eac"
       proved="true"
       expanded="false"
       shape="preconditionCtaBluetaWhiteainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =V8ainfix -V3c1FaRedagetV6V4Iainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -506,7 +506,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="22. loop invariant preservation"
-      sum="d6ae874eee743ba812a8131b20576010"
+      sum="d9f9babc771d8071a72031eedc9856cd"
       proved="true"
       expanded="false"
       shape="loop invariant preservationCtaBluetaWhiteainfix &lt;=V8V0Aainfix &lt;=V4V8Aainfix &lt;=V5V4Aainfix &lt;=c0V5IaexchangeV7V10V8V4Aainfix &lt;=c0V0Lamk arrayV0V9FIainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =V8ainfix -V3c1FaRedagetV6V4Iainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -526,7 +526,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="23. loop invariant preservation"
-      sum="f78f9cc252d6dad7daf4e489ac829738"
+      sum="3209bb45da7d55a991b9a3f968dfaf04"
       proved="true"
       expanded="false"
       shape="loop invariant preservationCtaBluetaWhiteamonochromeV10c0V5aBlueIaexchangeV7V10V8V4Aainfix &lt;=c0V0Lamk arrayV0V9FIainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =V8ainfix -V3c1FaRedagetV6V4Iainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -541,7 +541,7 @@
         locfile="../flag.mlw"
         loclnum="26" loccnumb="6" loccnume="16"
         expl="1. loop invariant preservation"
-        sum="1940d0546664dc2a2e5fb781fc278bee"
+        sum="3372d6150f38ab8fc4dab11ed4cc13a5"
         proved="true"
         expanded="false"
         shape="loop invariant preservationCtaBluetaWhiteainfix =agetaeltsV10V11aBlueIainfix &lt;V11V5Aainfix =c0V11Oainfix &lt;c0V11FIainfix =agetaeltsV7V12agetaeltsV10V12INainfix =V12V4INainfix =V12V8Iainfix &lt;V12alengthV7Aainfix =c0V12Oainfix &lt;c0V12FAainfix =agetaeltsV7V4agetaeltsV10V8Aainfix =agetaeltsV7V8agetaeltsV10V4Aainfix &lt;V4alengthV7Aainfix =c0V4Oainfix &lt;c0V4Aainfix &lt;V8alengthV7Aainfix =c0V8Oainfix &lt;c0V8Aainfix =alengthV7alengthV10Aainfix =c0V0Oainfix &lt;c0V0Lamk arrayV0V9FIainfix &lt;V4V0Aainfix =c0V4Oainfix &lt;c0V4Aainfix &lt;V8V0Aainfix =c0V8Oainfix &lt;c0V8Iainfix =V8ainfix +V3aprefix -c1FaRedagetV6V4Iainfix &lt;V4V0Aainfix =c0V4Oainfix &lt;c0V4Aainfix =c0V0Oainfix &lt;c0V0Iainfix &lt;V4V3Iainfix =aoccV13aeltsV2c0alengthV2aoccV13aeltsV7c0alengthV2FAainfix =alengthV2alengthV7Aainfix =agetaeltsV7V14aRedIainfix &lt;V14V0Aainfix =V3V14Oainfix &lt;V3V14FAainfix =agetaeltsV7V15aWhiteIainfix &lt;V15V4Aainfix =V5V15Oainfix &lt;V5V15FAainfix =agetaeltsV7V16aBlueIainfix &lt;V16V5Aainfix =c0V16Oainfix &lt;c0V16FAainfix =V3V0Oainfix &lt;V3V0Aainfix =V4V3Oainfix &lt;V4V3Aainfix =V5V4Oainfix &lt;V5V4Aainfix =c0V5Oainfix &lt;c0V5Lamk arrayV0V6FIainfix =c0V0Oainfix &lt;c0V0Lamk arrayV0V1F">
@@ -553,7 +553,7 @@
          memlimit="1000"
          obsolete="false"
          archived="false">
-         <result status="valid" time="0.67"/>
+         <result status="valid" time="0.47"/>
         </proof>
        </goal>
       </transf>
@@ -563,7 +563,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="24. loop invariant preservation"
-      sum="479581244d07f3ad3760e65963a66665"
+      sum="bfbd9a7746e8d34305d57bfc5cc0cf50"
       proved="true"
       expanded="false"
       shape="loop invariant preservationCtaBluetaWhiteamonochromeV10V5V4aWhiteIaexchangeV7V10V8V4Aainfix &lt;=c0V0Lamk arrayV0V9FIainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =V8ainfix -V3c1FaRedagetV6V4Iainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -578,7 +578,7 @@
         locfile="../flag.mlw"
         loclnum="26" loccnumb="6" loccnume="16"
         expl="1. loop invariant preservation"
-        sum="703e2ed95c05ca4bb0cce9d7b9290ae0"
+        sum="6d450b270b48974c39519772d3e9d523"
         proved="true"
         expanded="false"
         shape="loop invariant preservationCtaBluetaWhiteainfix =agetaeltsV10V11aWhiteIainfix &lt;V11V4Aainfix =V5V11Oainfix &lt;V5V11FIainfix =agetaeltsV7V12agetaeltsV10V12INainfix =V12V4INainfix =V12V8Iainfix &lt;V12alengthV7Aainfix =c0V12Oainfix &lt;c0V12FAainfix =agetaeltsV7V4agetaeltsV10V8Aainfix =agetaeltsV7V8agetaeltsV10V4Aainfix &lt;V4alengthV7Aainfix =c0V4Oainfix &lt;c0V4Aainfix &lt;V8alengthV7Aainfix =c0V8Oainfix &lt;c0V8Aainfix =alengthV7alengthV10Aainfix =c0V0Oainfix &lt;c0V0Lamk arrayV0V9FIainfix &lt;V4V0Aainfix =c0V4Oainfix &lt;c0V4Aainfix &lt;V8V0Aainfix =c0V8Oainfix &lt;c0V8Iainfix =V8ainfix +V3aprefix -c1FaRedagetV6V4Iainfix &lt;V4V0Aainfix =c0V4Oainfix &lt;c0V4Aainfix =c0V0Oainfix &lt;c0V0Iainfix &lt;V4V3Iainfix =aoccV13aeltsV2c0alengthV2aoccV13aeltsV7c0alengthV2FAainfix =alengthV2alengthV7Aainfix =agetaeltsV7V14aRedIainfix &lt;V14V0Aainfix =V3V14Oainfix &lt;V3V14FAainfix =agetaeltsV7V15aWhiteIainfix &lt;V15V4Aainfix =V5V15Oainfix &lt;V5V15FAainfix =agetaeltsV7V16aBlueIainfix &lt;V16V5Aainfix =c0V16Oainfix &lt;c0V16FAainfix =V3V0Oainfix &lt;V3V0Aainfix =V4V3Oainfix &lt;V4V3Aainfix =V5V4Oainfix &lt;V5V4Aainfix =c0V5Oainfix &lt;c0V5Lamk arrayV0V6FIainfix =c0V0Oainfix &lt;c0V0Lamk arrayV0V1F">
@@ -600,7 +600,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="25. loop invariant preservation"
-      sum="ad34de3d89c4c2e210eed65910eb3af4"
+      sum="99634ae8918e448fc5ebb9a6cdd2a4f9"
       proved="true"
       expanded="false"
       shape="loop invariant preservationCtaBluetaWhiteamonochromeV10V8V0aRedIaexchangeV7V10V8V4Aainfix &lt;=c0V0Lamk arrayV0V9FIainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =V8ainfix -V3c1FaRedagetV6V4Iainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -615,7 +615,7 @@
         locfile="../flag.mlw"
         loclnum="26" loccnumb="6" loccnume="16"
         expl="1. loop invariant preservation"
-        sum="e0251d3da0d0bb6721362bac3633ef17"
+        sum="346efdd75b7f0e49d00047eb6702450a"
         proved="true"
         expanded="false"
         shape="loop invariant preservationCtaBluetaWhiteainfix =agetaeltsV10V11aRedIainfix &lt;V11V0Aainfix =V8V11Oainfix &lt;V8V11FIainfix =agetaeltsV7V12agetaeltsV10V12INainfix =V12V4INainfix =V12V8Iainfix &lt;V12alengthV7Aainfix =c0V12Oainfix &lt;c0V12FAainfix =agetaeltsV7V4agetaeltsV10V8Aainfix =agetaeltsV7V8agetaeltsV10V4Aainfix &lt;V4alengthV7Aainfix =c0V4Oainfix &lt;c0V4Aainfix &lt;V8alengthV7Aainfix =c0V8Oainfix &lt;c0V8Aainfix =alengthV7alengthV10Aainfix =c0V0Oainfix &lt;c0V0Lamk arrayV0V9FIainfix &lt;V4V0Aainfix =c0V4Oainfix &lt;c0V4Aainfix &lt;V8V0Aainfix =c0V8Oainfix &lt;c0V8Iainfix =V8ainfix +V3aprefix -c1FaRedagetV6V4Iainfix &lt;V4V0Aainfix =c0V4Oainfix &lt;c0V4Aainfix =c0V0Oainfix &lt;c0V0Iainfix &lt;V4V3Iainfix =aoccV13aeltsV2c0alengthV2aoccV13aeltsV7c0alengthV2FAainfix =alengthV2alengthV7Aainfix =agetaeltsV7V14aRedIainfix &lt;V14V0Aainfix =V3V14Oainfix &lt;V3V14FAainfix =agetaeltsV7V15aWhiteIainfix &lt;V15V4Aainfix =V5V15Oainfix &lt;V5V15FAainfix =agetaeltsV7V16aBlueIainfix &lt;V16V5Aainfix =c0V16Oainfix &lt;c0V16FAainfix =V3V0Oainfix &lt;V3V0Aainfix =V4V3Oainfix &lt;V4V3Aainfix =V5V4Oainfix &lt;V5V4Aainfix =c0V5Oainfix &lt;c0V5Lamk arrayV0V6FIainfix =c0V0Oainfix &lt;c0V0Lamk arrayV0V1F">
@@ -637,7 +637,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="26. loop invariant preservation"
-      sum="fd7bfd645b125710aa19d7f89de0ddff"
+      sum="b5a2676a356f496336bd0213c2fc2c2e"
       proved="true"
       expanded="false"
       shape="loop invariant preservationCtaBluetaWhiteapermut_allV2V10IaexchangeV7V10V8V4Aainfix &lt;=c0V0Lamk arrayV0V9FIainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =V8ainfix -V3c1FaRedagetV6V4Iainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -657,7 +657,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="27. loop variant decrease"
-      sum="5d84b4f26ff82ab62b7b9ce4dea714ce"
+      sum="7a73cba535c4c9f922559f7de357d191"
       proved="true"
       expanded="false"
       shape="loop variant decreaseCtaBluetaWhiteainfix &lt;ainfix -V8V4ainfix -V3V4Aainfix &lt;=c0ainfix -V3V4IaexchangeV7V10V8V4Aainfix &lt;=c0V0Lamk arrayV0V9FIainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;V8V0Aainfix &lt;=c0V8Iainfix =V8ainfix -V3c1FaRedagetV6V4Iainfix &lt;V4V0Aainfix &lt;=c0V4Aainfix &lt;=c0V0Iainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -677,7 +677,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="28. type invariant"
-      sum="6c66a8350d36b3a5deb434b2e75539d1"
+      sum="2ec0de47fb177c746c4074cdd047fe85"
       proved="true"
       expanded="false"
       shape="type invariantainfix &lt;=c0V0INainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -697,7 +697,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="29. postcondition"
-      sum="366edbc283f95eb5d0c2b89a4747b099"
+      sum="bdf37fa980cf1161fc199cfc3f64bbd7"
       proved="true"
       expanded="false"
       shape="postconditionamonochromeV7V9V0aRedAamonochromeV7V8V9aWhiteAamonochromeV7c0V8aBlueEIainfix &lt;=c0V0INainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -717,7 +717,7 @@
       locfile="../flag.mlw"
       loclnum="26" loccnumb="6" loccnume="16"
       expl="30. postcondition"
-      sum="80679fa470a06c49f99112d0e10dad40"
+      sum="f4bea1ea4ba89bd28d04a2708e1e5057"
       proved="true"
       expanded="false"
       shape="postconditionapermut_allV2V7Iainfix &lt;=c0V0INainfix &lt;V4V3Iapermut_allV2V7AamonochromeV7V3V0aRedAamonochromeV7V5V4aWhiteAamonochromeV7c0V5aBlueAainfix &lt;=V3V0Aainfix &lt;=V4V3Aainfix &lt;=V5V4Aainfix &lt;=c0V5Lamk arrayV0V6FIainfix &lt;=c0V0Lamk arrayV0V1F">
diff --git a/examples/flag2/why3session.xml b/examples/flag2/why3session.xml
index d21a72909ca853afa86130b5296e149bf771ed9e..306430842e8c2c5e1789466f89b12b5d55503fa1 100644
--- a/examples/flag2/why3session.xml
+++ b/examples/flag2/why3session.xml
@@ -47,7 +47,7 @@
     name="nb_occ_split"
     locfile="../flag2.mlw"
     loclnum="32" loccnumb="8" loccnume="20"
-    sum="60298884ce33160d48816e4c64bae24c"
+    sum="810fe9a28f426a269e028aa1bd7712df"
     proved="true"
     expanded="true"
     shape="ainfix =anb_occV0V1V3V4ainfix +anb_occV0V1V2V4anb_occV0V2V3V4Iainfix &lt;=V2V3Aainfix &lt;=V1V2F">
@@ -65,7 +65,7 @@
     name="nb_occ_ext"
     locfile="../flag2.mlw"
     loclnum="37" loccnumb="8" loccnume="18"
-    sum="933f84fd0cc85fd87b613ca42ed36209"
+    sum="388cbf08a5d8112a634e9e4efda8ae33"
     proved="true"
     expanded="true"
     shape="ainfix =anb_occV0V2V3V4anb_occV1V2V3V4Iainfix =agetV0V5agetV1V5Iainfix &lt;V5V3Aainfix &lt;=V2V5FF">
@@ -83,7 +83,7 @@
     name="nb_occ_store_outside_up"
     locfile="../flag2.mlw"
     loclnum="42" loccnumb="8" loccnume="31"
-    sum="8bf18d25323ccf27c0da1638a3ff6591"
+    sum="02d8aa6e0a8697080bcb8963fdb27e8a"
     proved="true"
     expanded="true"
     shape="ainfix =anb_occasetV0V3V4V1V2V4anb_occV0V1V2V4Iainfix &lt;=V2V3Aainfix &lt;=V1V2F">
@@ -117,7 +117,7 @@
     name="nb_occ_store_outside_down"
     locfile="../flag2.mlw"
     loclnum="46" loccnumb="8" loccnume="33"
-    sum="3e3f5a02b34ddaf4f3fb9c14d64b5cee"
+    sum="4cbd1dd08f25039e9f9dfa96e78f10ee"
     proved="true"
     expanded="true"
     shape="ainfix =anb_occasetV0V3V4V1V2V4anb_occV0V1V2V4Iainfix &lt;=V1V2Aainfix &lt;V3V1F">
@@ -151,7 +151,7 @@
     name="nb_occ_store_eq_eq"
     locfile="../flag2.mlw"
     loclnum="50" loccnumb="8" loccnume="26"
-    sum="cf85830dbbfbc347e3ccf0587b6d1dc2"
+    sum="fd5bab9f93724addb391393ac05c1604"
     proved="true"
     expanded="true"
     shape="ainfix =anb_occasetV0V3V4V1V2V4anb_occV0V1V2V4Iainfix =agetV0V3V4Iainfix &lt;V3V2Aainfix &lt;=V1V3F">
@@ -192,7 +192,7 @@
     name="nb_occ_store_eq_neq"
     locfile="../flag2.mlw"
     loclnum="55" loccnumb="8" loccnume="27"
-    sum="e14712997014fa6ed3922d7036e5a8c8"
+    sum="416394da8576b1461916d2a8399f244c"
     proved="true"
     expanded="true"
     shape="ainfix =anb_occasetV0V3V4V1V2V4ainfix +anb_occV0V1V2V4c1INainfix =agetV0V3V4Iainfix &lt;V3V2Aainfix &lt;=V1V3F">
@@ -210,7 +210,7 @@
     name="nb_occ_store_neq_eq"
     locfile="../flag2.mlw"
     loclnum="60" loccnumb="8" loccnume="27"
-    sum="19b329f0d4fab13cc7673e5ffbea141e"
+    sum="a3e7d7637272bc3bfe9434a6b8041d7d"
     proved="true"
     expanded="true"
     shape="ainfix =anb_occasetV0V3V5V1V2V4ainfix -anb_occV0V1V2V4c1Iainfix =agetV0V3V4INainfix =V4V5Iainfix &lt;V3V2Aainfix &lt;=V1V3F">
@@ -235,7 +235,7 @@
     name="nb_occ_store_neq_neq"
     locfile="../flag2.mlw"
     loclnum="65" loccnumb="8" loccnume="28"
-    sum="ccbdeedc37221586db970753c0a379c3"
+    sum="66086a9f6bda288dce2f90f4e17ed899"
     proved="true"
     expanded="true"
     shape="ainfix =anb_occasetV0V3V5V1V2V4anb_occV0V1V2V4INainfix =agetV0V3V4INainfix =V4V5Iainfix &lt;V3V2Aainfix &lt;=V1V3F">
@@ -261,7 +261,7 @@
     locfile="../flag2.mlw"
     loclnum="71" loccnumb="5" loccnume="9"
     expl="VC for swap"
-    sum="dd4fd997af7e40d6cff6f8f90845ce42"
+    sum="2dca636ee69e3cd11b59637625e39f73"
     proved="true"
     expanded="true"
     shape="ainfix =anb_occV4V5V6V7anb_occV0V5V6V7Iainfix &lt;V2V6Aainfix &lt;=V5V2Aainfix &lt;V1V6Aainfix &lt;=V5V1FAainfix =agetV4V8agetV0V8INainfix =V8V2ANainfix =V8V1FAainfix =agetV4V2agetV0V1Aainfix =agetV4V1agetV0V2Iainfix =V4asetV3V2agetV0V1FIainfix =V3asetV0V1agetV0V2FF">
@@ -276,7 +276,7 @@
       locfile="../flag2.mlw"
       loclnum="71" loccnumb="5" loccnume="9"
       expl="1. postcondition"
-      sum="2f65167bba9a693705490d556476eac2"
+      sum="463038d78212cd2d4874c33d1feb438c"
       proved="true"
       expanded="true"
       shape="postconditionainfix =agetV4V1agetV0V2Iainfix =V4asetV3V2agetV0V1FIainfix =V3asetV0V1agetV0V2FF">
@@ -296,7 +296,7 @@
       locfile="../flag2.mlw"
       loclnum="71" loccnumb="5" loccnume="9"
       expl="2. postcondition"
-      sum="f1d719f53418c58b1cc69dcc5c058ab9"
+      sum="af200abbb405087d48a6cca225b2b031"
       proved="true"
       expanded="true"
       shape="postconditionainfix =agetV4V2agetV0V1Iainfix =V4asetV3V2agetV0V1FIainfix =V3asetV0V1agetV0V2FF">
@@ -316,7 +316,7 @@
       locfile="../flag2.mlw"
       loclnum="71" loccnumb="5" loccnume="9"
       expl="3. postcondition"
-      sum="c89b5fcf5b202b5f205c7434db35205a"
+      sum="eca706984a4768cbe21d23ed424194ea"
       proved="true"
       expanded="true"
       shape="postconditionainfix =agetV4V5agetV0V5INainfix =V5V2ANainfix =V5V1FIainfix =V4asetV3V2agetV0V1FIainfix =V3asetV0V1agetV0V2FF">
@@ -336,7 +336,7 @@
       locfile="../flag2.mlw"
       loclnum="71" loccnumb="5" loccnume="9"
       expl="4. postcondition"
-      sum="46dded7fae2935693edaa5cc38fd3117"
+      sum="962c7f2b9ebdd5cd4001c25c89a0db15"
       proved="true"
       expanded="true"
       shape="postconditionainfix =anb_occV4V5V6V7anb_occV0V5V6V7Iainfix &lt;V2V6Aainfix &lt;=V5V2Aainfix &lt;V1V6Aainfix &lt;=V5V1FIainfix =V4asetV3V2agetV0V1FIainfix =V3asetV0V1agetV0V2FF">
@@ -358,7 +358,7 @@
     locfile="../flag2.mlw"
     loclnum="83" loccnumb="5" loccnume="15"
     expl="VC for dutch_flag"
-    sum="1017afcdb38bcfcb4e1c89ef2da44c92"
+    sum="a61f1d03555cfb0e3c14287030145d8c"
     proved="true"
     expanded="true"
     shape="iainfix =anb_occV5c0V1V6anb_occV0c0V1V6FAamonochromeV5V8V1aRedAamonochromeV5V7V8aWhiteAamonochromeV5c0V7aBlueEECainfix &lt;ainfix -V2V11ainfix -V2V3Aainfix &lt;=c0ainfix -V2V3Aainfix =anb_occV9c0V1V12anb_occV0c0V1V12FAamonochromeV9V2V1aRedAamonochromeV9V10V11aWhiteAamonochromeV9c0V10aBlueAainfix &lt;=V2V1Aainfix &lt;=V11V2Aainfix &lt;=V10V11Aainfix &lt;=c0V10Iainfix =V11ainfix +V3c1FIainfix =V10ainfix +V4c1FIainfix =anb_occV9V13V14V15anb_occV5V13V14V15Iainfix &lt;V3V14Aainfix &lt;=V13V3Aainfix &lt;V4V14Aainfix &lt;=V13V4FAainfix =agetV9V16agetV5V16INainfix =V16V3ANainfix =V16V4FAainfix =agetV9V3agetV5V4Aainfix =agetV9V4agetV5V3FaBlueainfix &lt;ainfix -V2V17ainfix -V2V3Aainfix &lt;=c0ainfix -V2V3Aainfix =anb_occV5c0V1V18anb_occV0c0V1V18FAamonochromeV5V2V1aRedAamonochromeV5V4V17aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V17V2Aainfix &lt;=V4V17Aainfix &lt;=c0V4Iainfix =V17ainfix +V3c1FaWhiteainfix &lt;ainfix -V19V3ainfix -V2V3Aainfix &lt;=c0ainfix -V2V3Aainfix =anb_occV20c0V1V21anb_occV0c0V1V21FAamonochromeV20V19V1aRedAamonochromeV20V4V3aWhiteAamonochromeV20c0V4aBlueAainfix &lt;=V19V1Aainfix &lt;=V3V19Aainfix &lt;=V4V3Aainfix &lt;=c0V4Iainfix =anb_occV20V22V23V24anb_occV5V22V23V24Iainfix &lt;V3V23Aainfix &lt;=V22V3Aainfix &lt;V19V23Aainfix &lt;=V22V19FAainfix =agetV20V25agetV5V25INainfix =V25V3ANainfix =V25V19FAainfix =agetV20V3agetV5V19Aainfix =agetV20V19agetV5V3FIainfix =V19ainfix -V2c1FaRedagetV5V3ainfix &lt;V3V2Iainfix =anb_occV5c0V1V26anb_occV0c0V1V26FAamonochromeV5V2V1aRedAamonochromeV5V4V3aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V3V2Aainfix &lt;=V4V3Aainfix &lt;=c0V4FAamonochromeV0V1V1aRedAamonochromeV0c0c0aWhiteAamonochromeV0c0c0aBlueAainfix &lt;=V1V1Aainfix &lt;=c0V1Aainfix &lt;=c0c0Aainfix &lt;=c0c0Iainfix &lt;=c0V1F">
@@ -373,7 +373,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="1. loop invariant init"
-      sum="2f2e5f853927da51c62ebf213f461b7b"
+      sum="b4ab82b7fbda05319c32423a6e8007f0"
       proved="true"
       expanded="true"
       shape="loop invariant initainfix &lt;=V1V1Aainfix &lt;=c0V1Aainfix &lt;=c0c0Aainfix &lt;=c0c0Iainfix &lt;=c0V1F">
@@ -409,7 +409,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="2. loop invariant init"
-      sum="c3e176af1a3c7b23724ca5de7bc51e02"
+      sum="2816daeca1675b7beb96fcd3888c65bc"
       proved="true"
       expanded="true"
       shape="loop invariant initamonochromeV0c0c0aBlueIainfix &lt;=c0V1F">
@@ -445,7 +445,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="3. loop invariant init"
-      sum="ba347038cc0510b48f10e69516525d0a"
+      sum="6f3f9d4e6f8720880ef872c15ccc5cd1"
       proved="true"
       expanded="true"
       shape="loop invariant initamonochromeV0c0c0aWhiteIainfix &lt;=c0V1F">
@@ -481,7 +481,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="4. loop invariant init"
-      sum="458c3cc95b82d7ccedf51b4ca84d8e18"
+      sum="cabda48632e9e176acda7be1454f99b8"
       proved="true"
       expanded="true"
       shape="loop invariant initamonochromeV0V1V1aRedIainfix &lt;=c0V1F">
@@ -517,7 +517,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="5. loop invariant preservation"
-      sum="2cd92e74d1c24586fb3118d688186e71"
+      sum="d57991fbaf5187afcf274d9237e1c7e4"
       proved="true"
       expanded="true"
       shape="loop invariant preservationCainfix &lt;=V2V1Aainfix &lt;=V8V2Aainfix &lt;=V7V8Aainfix &lt;=c0V7Iainfix =V8ainfix +V3c1FIainfix =V7ainfix +V4c1FIainfix =anb_occV6V9V10V11anb_occV5V9V10V11Iainfix &lt;V3V10Aainfix &lt;=V9V3Aainfix &lt;V4V10Aainfix &lt;=V9V4FAainfix =agetV6V12agetV5V12INainfix =V12V3ANainfix =V12V4FAainfix =agetV6V3agetV5V4Aainfix =agetV6V4agetV5V3FaBluetaWhitetaRedagetV5V3Iainfix &lt;V3V2Iainfix =anb_occV5c0V1V13anb_occV0c0V1V13FAamonochromeV5V2V1aRedAamonochromeV5V4V3aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V3V2Aainfix &lt;=V4V3Aainfix &lt;=c0V4FIainfix &lt;=c0V1F">
@@ -553,7 +553,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="6. loop invariant preservation"
-      sum="4fd34e054298c345b34cb2db9889f1e3"
+      sum="64403b4cee62f8d8770d6f69f7e0ece3"
       proved="true"
       expanded="true"
       shape="loop invariant preservationCamonochromeV6c0V7aBlueIainfix =V8ainfix +V3c1FIainfix =V7ainfix +V4c1FIainfix =anb_occV6V9V10V11anb_occV5V9V10V11Iainfix &lt;V3V10Aainfix &lt;=V9V3Aainfix &lt;V4V10Aainfix &lt;=V9V4FAainfix =agetV6V12agetV5V12INainfix =V12V3ANainfix =V12V4FAainfix =agetV6V3agetV5V4Aainfix =agetV6V4agetV5V3FaBluetaWhitetaRedagetV5V3Iainfix &lt;V3V2Iainfix =anb_occV5c0V1V13anb_occV0c0V1V13FAamonochromeV5V2V1aRedAamonochromeV5V4V3aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V3V2Aainfix &lt;=V4V3Aainfix &lt;=c0V4FIainfix &lt;=c0V1F">
@@ -589,7 +589,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="7. loop invariant preservation"
-      sum="8a3e587643d3af225df6cd86cd9768fd"
+      sum="d523c4b58bbbdc1275d693e6833c2142"
       proved="true"
       expanded="true"
       shape="loop invariant preservationCamonochromeV6V7V8aWhiteIainfix =V8ainfix +V3c1FIainfix =V7ainfix +V4c1FIainfix =anb_occV6V9V10V11anb_occV5V9V10V11Iainfix &lt;V3V10Aainfix &lt;=V9V3Aainfix &lt;V4V10Aainfix &lt;=V9V4FAainfix =agetV6V12agetV5V12INainfix =V12V3ANainfix =V12V4FAainfix =agetV6V3agetV5V4Aainfix =agetV6V4agetV5V3FaBluetaWhitetaRedagetV5V3Iainfix &lt;V3V2Iainfix =anb_occV5c0V1V13anb_occV0c0V1V13FAamonochromeV5V2V1aRedAamonochromeV5V4V3aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V3V2Aainfix &lt;=V4V3Aainfix &lt;=c0V4FIainfix &lt;=c0V1F">
@@ -625,7 +625,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="8. loop invariant preservation"
-      sum="0a6b0b824954ac24e251dab37263e9f5"
+      sum="4426bc6e603df8b860a1925161514208"
       proved="true"
       expanded="true"
       shape="loop invariant preservationCamonochromeV6V2V1aRedIainfix =V8ainfix +V3c1FIainfix =V7ainfix +V4c1FIainfix =anb_occV6V9V10V11anb_occV5V9V10V11Iainfix &lt;V3V10Aainfix &lt;=V9V3Aainfix &lt;V4V10Aainfix &lt;=V9V4FAainfix =agetV6V12agetV5V12INainfix =V12V3ANainfix =V12V4FAainfix =agetV6V3agetV5V4Aainfix =agetV6V4agetV5V3FaBluetaWhitetaRedagetV5V3Iainfix &lt;V3V2Iainfix =anb_occV5c0V1V13anb_occV0c0V1V13FAamonochromeV5V2V1aRedAamonochromeV5V4V3aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V3V2Aainfix &lt;=V4V3Aainfix &lt;=c0V4FIainfix &lt;=c0V1F">
@@ -661,7 +661,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="9. loop invariant preservation"
-      sum="8718ef9732c0f1aa10fb5691ee28b62d"
+      sum="2592d99160ff9ebeef75a4296cb29940"
       proved="true"
       expanded="true"
       shape="loop invariant preservationCainfix =anb_occV6c0V1V9anb_occV0c0V1V9FIainfix =V8ainfix +V3c1FIainfix =V7ainfix +V4c1FIainfix =anb_occV6V10V11V12anb_occV5V10V11V12Iainfix &lt;V3V11Aainfix &lt;=V10V3Aainfix &lt;V4V11Aainfix &lt;=V10V4FAainfix =agetV6V13agetV5V13INainfix =V13V3ANainfix =V13V4FAainfix =agetV6V3agetV5V4Aainfix =agetV6V4agetV5V3FaBluetaWhitetaRedagetV5V3Iainfix &lt;V3V2Iainfix =anb_occV5c0V1V14anb_occV0c0V1V14FAamonochromeV5V2V1aRedAamonochromeV5V4V3aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V3V2Aainfix &lt;=V4V3Aainfix &lt;=c0V4FIainfix &lt;=c0V1F">
@@ -713,7 +713,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="10. loop variant decrease"
-      sum="6da91c9c89e9d1616f51d180f19c6051"
+      sum="d7bcb99eec07e91e8c6b1d79106c63b2"
       proved="true"
       expanded="true"
       shape="loop variant decreaseCainfix &lt;ainfix -V2V8ainfix -V2V3Aainfix &lt;=c0ainfix -V2V3Iainfix =V8ainfix +V3c1FIainfix =V7ainfix +V4c1FIainfix =anb_occV6V9V10V11anb_occV5V9V10V11Iainfix &lt;V3V10Aainfix &lt;=V9V3Aainfix &lt;V4V10Aainfix &lt;=V9V4FAainfix =agetV6V12agetV5V12INainfix =V12V3ANainfix =V12V4FAainfix =agetV6V3agetV5V4Aainfix =agetV6V4agetV5V3FaBluetaWhitetaRedagetV5V3Iainfix &lt;V3V2Iainfix =anb_occV5c0V1V13anb_occV0c0V1V13FAamonochromeV5V2V1aRedAamonochromeV5V4V3aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V3V2Aainfix &lt;=V4V3Aainfix &lt;=c0V4FIainfix &lt;=c0V1F">
@@ -765,7 +765,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="11. loop invariant preservation"
-      sum="0418d77553491bb39b619474364f5fbe"
+      sum="eca277b32a9864f1aa2209442cf74ac2"
       proved="true"
       expanded="true"
       shape="loop invariant preservationCtaBlueainfix &lt;=V2V1Aainfix &lt;=V6V2Aainfix &lt;=V4V6Aainfix &lt;=c0V4Iainfix =V6ainfix +V3c1FaWhitetaRedagetV5V3Iainfix &lt;V3V2Iainfix =anb_occV5c0V1V7anb_occV0c0V1V7FAamonochromeV5V2V1aRedAamonochromeV5V4V3aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V3V2Aainfix &lt;=V4V3Aainfix &lt;=c0V4FIainfix &lt;=c0V1F">
@@ -801,7 +801,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="12. loop invariant preservation"
-      sum="02038b84aa236b6c83360ee286cdb14f"
+      sum="b79155958d9d04e86b85cdb9de48fe40"
       proved="true"
       expanded="true"
       shape="loop invariant preservationCtaBlueamonochromeV5c0V4aBlueIainfix =V6ainfix +V3c1FaWhitetaRedagetV5V3Iainfix &lt;V3V2Iainfix =anb_occV5c0V1V7anb_occV0c0V1V7FAamonochromeV5V2V1aRedAamonochromeV5V4V3aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V3V2Aainfix &lt;=V4V3Aainfix &lt;=c0V4FIainfix &lt;=c0V1F">
@@ -837,7 +837,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="13. loop invariant preservation"
-      sum="be2b14b2585e704682a55c19e2bb0166"
+      sum="e509c8bd90e4929cdcdf3abecb6900dd"
       proved="true"
       expanded="true"
       shape="loop invariant preservationCtaBlueamonochromeV5V4V6aWhiteIainfix =V6ainfix +V3c1FaWhitetaRedagetV5V3Iainfix &lt;V3V2Iainfix =anb_occV5c0V1V7anb_occV0c0V1V7FAamonochromeV5V2V1aRedAamonochromeV5V4V3aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V3V2Aainfix &lt;=V4V3Aainfix &lt;=c0V4FIainfix &lt;=c0V1F">
@@ -873,7 +873,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="14. loop invariant preservation"
-      sum="085aaa65335a58f31c8e9a9a351e9ff4"
+      sum="2289808d71b270ec265d3defb49f0e1a"
       proved="true"
       expanded="true"
       shape="loop invariant preservationCtaBlueamonochromeV5V2V1aRedIainfix =V6ainfix +V3c1FaWhitetaRedagetV5V3Iainfix &lt;V3V2Iainfix =anb_occV5c0V1V7anb_occV0c0V1V7FAamonochromeV5V2V1aRedAamonochromeV5V4V3aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V3V2Aainfix &lt;=V4V3Aainfix &lt;=c0V4FIainfix &lt;=c0V1F">
@@ -909,7 +909,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="15. loop invariant preservation"
-      sum="b80adf5c76c0b11d2aacf705fb4a1b62"
+      sum="97ec537c6e3f757931848e6f97ffada6"
       proved="true"
       expanded="true"
       shape="loop invariant preservationCtaBlueainfix =anb_occV5c0V1V7anb_occV0c0V1V7FIainfix =V6ainfix +V3c1FaWhitetaRedagetV5V3Iainfix &lt;V3V2Iainfix =anb_occV5c0V1V8anb_occV0c0V1V8FAamonochromeV5V2V1aRedAamonochromeV5V4V3aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V3V2Aainfix &lt;=V4V3Aainfix &lt;=c0V4FIainfix &lt;=c0V1F">
@@ -961,7 +961,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="16. loop variant decrease"
-      sum="4494317773313ade59b2d536f324264e"
+      sum="6573b575b2b017b381fffa724cde638b"
       proved="true"
       expanded="true"
       shape="loop variant decreaseCtaBlueainfix &lt;ainfix -V2V6ainfix -V2V3Aainfix &lt;=c0ainfix -V2V3Iainfix =V6ainfix +V3c1FaWhitetaRedagetV5V3Iainfix &lt;V3V2Iainfix =anb_occV5c0V1V7anb_occV0c0V1V7FAamonochromeV5V2V1aRedAamonochromeV5V4V3aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V3V2Aainfix &lt;=V4V3Aainfix &lt;=c0V4FIainfix &lt;=c0V1F">
@@ -1013,7 +1013,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="17. loop invariant preservation"
-      sum="4ea609ee978453d9a99386e81f8c8f6e"
+      sum="03b46f76907798dae06102159f609a67"
       proved="true"
       expanded="true"
       shape="loop invariant preservationCtaBluetaWhiteainfix &lt;=V6V1Aainfix &lt;=V3V6Aainfix &lt;=V4V3Aainfix &lt;=c0V4Iainfix =anb_occV7V8V9V10anb_occV5V8V9V10Iainfix &lt;V3V9Aainfix &lt;=V8V3Aainfix &lt;V6V9Aainfix &lt;=V8V6FAainfix =agetV7V11agetV5V11INainfix =V11V3ANainfix =V11V6FAainfix =agetV7V3agetV5V6Aainfix =agetV7V6agetV5V3FIainfix =V6ainfix -V2c1FaRedagetV5V3Iainfix &lt;V3V2Iainfix =anb_occV5c0V1V12anb_occV0c0V1V12FAamonochromeV5V2V1aRedAamonochromeV5V4V3aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V3V2Aainfix &lt;=V4V3Aainfix &lt;=c0V4FIainfix &lt;=c0V1F">
@@ -1049,7 +1049,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="18. loop invariant preservation"
-      sum="a2474548cd59bbff2b0820f63bf44f75"
+      sum="334778f61042121b5129f384750f1577"
       proved="true"
       expanded="true"
       shape="loop invariant preservationCtaBluetaWhiteamonochromeV7c0V4aBlueIainfix =anb_occV7V8V9V10anb_occV5V8V9V10Iainfix &lt;V3V9Aainfix &lt;=V8V3Aainfix &lt;V6V9Aainfix &lt;=V8V6FAainfix =agetV7V11agetV5V11INainfix =V11V3ANainfix =V11V6FAainfix =agetV7V3agetV5V6Aainfix =agetV7V6agetV5V3FIainfix =V6ainfix -V2c1FaRedagetV5V3Iainfix &lt;V3V2Iainfix =anb_occV5c0V1V12anb_occV0c0V1V12FAamonochromeV5V2V1aRedAamonochromeV5V4V3aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V3V2Aainfix &lt;=V4V3Aainfix &lt;=c0V4FIainfix &lt;=c0V1F">
@@ -1085,7 +1085,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="19. loop invariant preservation"
-      sum="38d0763354168a0ac776c33bb36d67fd"
+      sum="6a7e66129268bd6fcc07a834dafa52ef"
       proved="true"
       expanded="true"
       shape="loop invariant preservationCtaBluetaWhiteamonochromeV7V4V3aWhiteIainfix =anb_occV7V8V9V10anb_occV5V8V9V10Iainfix &lt;V3V9Aainfix &lt;=V8V3Aainfix &lt;V6V9Aainfix &lt;=V8V6FAainfix =agetV7V11agetV5V11INainfix =V11V3ANainfix =V11V6FAainfix =agetV7V3agetV5V6Aainfix =agetV7V6agetV5V3FIainfix =V6ainfix -V2c1FaRedagetV5V3Iainfix &lt;V3V2Iainfix =anb_occV5c0V1V12anb_occV0c0V1V12FAamonochromeV5V2V1aRedAamonochromeV5V4V3aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V3V2Aainfix &lt;=V4V3Aainfix &lt;=c0V4FIainfix &lt;=c0V1F">
@@ -1121,7 +1121,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="20. loop invariant preservation"
-      sum="41c20e9a69977f3143de36294fdbcdfd"
+      sum="f8d01b1b405ab261788aa99333c8e441"
       proved="true"
       expanded="true"
       shape="loop invariant preservationCtaBluetaWhiteamonochromeV7V6V1aRedIainfix =anb_occV7V8V9V10anb_occV5V8V9V10Iainfix &lt;V3V9Aainfix &lt;=V8V3Aainfix &lt;V6V9Aainfix &lt;=V8V6FAainfix =agetV7V11agetV5V11INainfix =V11V3ANainfix =V11V6FAainfix =agetV7V3agetV5V6Aainfix =agetV7V6agetV5V3FIainfix =V6ainfix -V2c1FaRedagetV5V3Iainfix &lt;V3V2Iainfix =anb_occV5c0V1V12anb_occV0c0V1V12FAamonochromeV5V2V1aRedAamonochromeV5V4V3aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V3V2Aainfix &lt;=V4V3Aainfix &lt;=c0V4FIainfix &lt;=c0V1F">
@@ -1157,7 +1157,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="21. loop invariant preservation"
-      sum="bec68d51364e267fa375fa10491925d5"
+      sum="44879c8f4af3f45907a0b9e4c1429f74"
       proved="true"
       expanded="true"
       shape="loop invariant preservationCtaBluetaWhiteainfix =anb_occV7c0V1V8anb_occV0c0V1V8FIainfix =anb_occV7V9V10V11anb_occV5V9V10V11Iainfix &lt;V3V10Aainfix &lt;=V9V3Aainfix &lt;V6V10Aainfix &lt;=V9V6FAainfix =agetV7V12agetV5V12INainfix =V12V3ANainfix =V12V6FAainfix =agetV7V3agetV5V6Aainfix =agetV7V6agetV5V3FIainfix =V6ainfix -V2c1FaRedagetV5V3Iainfix &lt;V3V2Iainfix =anb_occV5c0V1V13anb_occV0c0V1V13FAamonochromeV5V2V1aRedAamonochromeV5V4V3aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V3V2Aainfix &lt;=V4V3Aainfix &lt;=c0V4FIainfix &lt;=c0V1F">
@@ -1209,7 +1209,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="22. loop variant decrease"
-      sum="e4039ac9eebbba038edabf030494efe4"
+      sum="66cd91b264ff1d1bc3818801e8ac19b0"
       proved="true"
       expanded="true"
       shape="loop variant decreaseCtaBluetaWhiteainfix &lt;ainfix -V6V3ainfix -V2V3Aainfix &lt;=c0ainfix -V2V3Iainfix =anb_occV7V8V9V10anb_occV5V8V9V10Iainfix &lt;V3V9Aainfix &lt;=V8V3Aainfix &lt;V6V9Aainfix &lt;=V8V6FAainfix =agetV7V11agetV5V11INainfix =V11V3ANainfix =V11V6FAainfix =agetV7V3agetV5V6Aainfix =agetV7V6agetV5V3FIainfix =V6ainfix -V2c1FaRedagetV5V3Iainfix &lt;V3V2Iainfix =anb_occV5c0V1V12anb_occV0c0V1V12FAamonochromeV5V2V1aRedAamonochromeV5V4V3aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V3V2Aainfix &lt;=V4V3Aainfix &lt;=c0V4FIainfix &lt;=c0V1F">
@@ -1261,7 +1261,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="23. postcondition"
-      sum="550d1b45a8ccbf6b9486081b3b24396c"
+      sum="11aea1e25695dc0337c3f5ae4bd8bab1"
       proved="true"
       expanded="true"
       shape="postconditionamonochromeV5V7V1aRedAamonochromeV5V6V7aWhiteAamonochromeV5c0V6aBlueEEINainfix &lt;V3V2Iainfix =anb_occV5c0V1V8anb_occV0c0V1V8FAamonochromeV5V2V1aRedAamonochromeV5V4V3aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V3V2Aainfix &lt;=V4V3Aainfix &lt;=c0V4FIainfix &lt;=c0V1F">
@@ -1289,7 +1289,7 @@
       locfile="../flag2.mlw"
       loclnum="83" loccnumb="5" loccnume="15"
       expl="24. postcondition"
-      sum="38f7f36db24d3cc8607864d414a7f18d"
+      sum="de1194cbe72570796b194ecb08011737"
       proved="true"
       expanded="true"
       shape="postconditionainfix =anb_occV5c0V1V6anb_occV0c0V1V6FINainfix &lt;V3V2Iainfix =anb_occV5c0V1V7anb_occV0c0V1V7FAamonochromeV5V2V1aRedAamonochromeV5V4V3aWhiteAamonochromeV5c0V4aBlueAainfix &lt;=V2V1Aainfix &lt;=V3V2Aainfix &lt;=V4V3Aainfix &lt;=c0V4FIainfix &lt;=c0V1F">
diff --git a/examples/foveoos11-cm/array_max/why3session.xml b/examples/foveoos11-cm/array_max/why3session.xml
index ec33ca7f7da2a7c3bdf3c9ad176d47ca3fce90d5..36a2857443fcd83badb35f33f390d055fb28da52 100644
--- a/examples/foveoos11-cm/array_max/why3session.xml
+++ b/examples/foveoos11-cm/array_max/why3session.xml
@@ -28,7 +28,7 @@
     locfile="../array_max.mlw"
     loclnum="21" loccnumb="6" loccnume="9"
     expl="VC for max"
-    sum="a37987a5e676f40c92d75527f9e4884b"
+    sum="446766dfbbc974125392a246d174eb98"
     proved="true"
     expanded="true"
     shape="iainfix &lt;=agetV1V4agetV1V3Iainfix &lt;V4V0Aainfix &lt;=c0V4FAainfix &lt;V3V0Aainfix &lt;=c0V3iainfix &lt;ainfix -V5V3ainfix -V2V3Aainfix &lt;=c0ainfix -V2V3Aainfix &lt;=agetV1V6amaxagetV1V3agetV1V5Iainfix &lt;V6V0Aainfix &lt;V5V6Oainfix &lt;V6V3Aainfix &lt;=c0V6FAainfix &lt;V5V0Aainfix &lt;=V3V5Aainfix &lt;=c0V3Iainfix =V5ainfix -V2c1Fainfix &lt;ainfix -V2V7ainfix -V2V3Aainfix &lt;=c0ainfix -V2V3Aainfix &lt;=agetV1V8amaxagetV1V7agetV1V2Iainfix &lt;V8V0Aainfix &lt;V2V8Oainfix &lt;V8V7Aainfix &lt;=c0V8FAainfix &lt;V2V0Aainfix &lt;=V7V2Aainfix &lt;=c0V7Iainfix =V7ainfix +V3c1Fainfix &lt;=agetV1V3agetV1V2Aainfix &lt;V3V0Aainfix &lt;=c0V3Aainfix &lt;V2V0Aainfix &lt;=c0V2Nainfix =V3V2Iainfix &lt;=agetV1V9amaxagetV1V3agetV1V2Iainfix &lt;V9V0Aainfix &lt;V2V9Oainfix &lt;V9V3Aainfix &lt;=c0V9FAainfix &lt;V2V0Aainfix &lt;=V3V2Aainfix &lt;=c0V3FAainfix &lt;=agetV1V10amaxagetV1c0agetV1ainfix -V0c1Iainfix &lt;V10V0Aainfix &lt;ainfix -V0c1V10Oainfix &lt;V10c0Aainfix &lt;=c0V10FAainfix &lt;ainfix -V0c1V0Aainfix &lt;=c0ainfix -V0c1Aainfix &lt;=c0c0Iainfix &lt;c0V0Aainfix &lt;=c0V0F">
diff --git a/examples/foveoos11-cm/duplets/why3session.xml b/examples/foveoos11-cm/duplets/why3session.xml
index 8ed0aa89498cec35146844fe467ede393180a51e..de0e5747ebfde795ed7ed6636cbc1febb6802ff6 100644
--- a/examples/foveoos11-cm/duplets/why3session.xml
+++ b/examples/foveoos11-cm/duplets/why3session.xml
@@ -35,7 +35,7 @@
     locfile="../duplets.mlw"
     loclnum="43" loccnumb="6" loccnume="12"
     expl="VC for duplet"
-    sum="30ec71bf3cb5391c62226f5687dde4dd"
+    sum="1c36188765ed69899a7407a1278d7bc5"
     proved="true"
     expanded="true"
     shape="fANais_dupletV3V5V6FINais_dupletV3V7V8INCfaNoneainfix =V9agetV1V7aSomeVV2Iainfix &lt;V8V0Aainfix &lt;V7V8Aainfix &lt;V7ainfix +V4c1Aainfix &lt;=c0V7FAiNais_dupletV3V14V15INCfaNoneainfix =V16agetV1V14aSomeVV2Iainfix &lt;V15V0Aainfix &lt;V14V15Aainfix &lt;V14ainfix +V10c1Aainfix &lt;=c0V14FINais_dupletV3V10V17Iainfix &lt;V17ainfix +V12c1Aainfix &lt;V10V17FAiNais_dupletV3V10V19Iainfix &lt;V19ainfix +V18c1Aainfix &lt;V10V19FNCfaNoneainfix =V22agetV1V20aSomeVV2Aais_dupletV3V20V21Iainfix =V21V18Aainfix =V20V10Fainfix =agetV1V18V11Aainfix &lt;V18V0Aainfix &lt;=c0V18INais_dupletV3V10V23Iainfix &lt;V23V18Aainfix &lt;V10V23FIainfix &lt;=V18V12Aainfix &lt;=V13V18FANais_dupletV3V10V24Iainfix &lt;V24V13Aainfix &lt;V10V24FIainfix &lt;=V13V12ANais_dupletV3V25V26INCfaNoneainfix =V27agetV1V25aSomeVV2Iainfix &lt;V26V0Aainfix &lt;V25V26Aainfix &lt;V25ainfix +V10c1Aainfix &lt;=c0V25FIainfix &gt;V13V12Lainfix +V10c1Lainfix -V0c1Nais_dupletV3V28V29INCfaNoneainfix =V30agetV1V28aSomeVV2Iainfix &lt;V29V0Aainfix &lt;V28V29Aainfix &lt;V28ainfix +V10c1Aainfix &lt;=c0V28FCfaNoneainfix =V31V11aSomeVV2LagetV1V10Aainfix &lt;V10V0Aainfix &lt;=c0V10INais_dupletV3V32V33INCfaNoneainfix =V34agetV1V32aSomeVV2Iainfix &lt;V33V0Aainfix &lt;V32V33Aainfix &lt;V32V10Aainfix &lt;=c0V32FIainfix &lt;=V10V4Aainfix &lt;=c0V10FANais_dupletV3V35V36INCfaNoneainfix =V37agetV1V35aSomeVV2Iainfix &lt;V36V0Aainfix &lt;V35V36Aainfix &lt;V35c0Aainfix &lt;=c0V35FIainfix &lt;=c0V4AfANais_dupletV3V38V39FIainfix &gt;c0V4Lainfix -V0c2INCfaNoneainfix =V42agetV1V40aSomeVV2Aais_dupletV3V40V41EAainfix &lt;=c2V0Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -63,7 +63,7 @@
     locfile="../duplets.mlw"
     loclnum="74" loccnumb="6" loccnume="13"
     expl="VC for duplets"
-    sum="8ae936d18c4e2b099719da14ee829868"
+    sum="6d132558280b9f241cdf69a91f9b41ed"
     proved="true"
     expanded="true"
     shape="Nainfix =agetV1V3agetV1V5Aais_dupletV2V5V6Aais_dupletV2V3V4INainfix =agetV1V4agetV1V5Aais_dupletV2V5V6FANainfix =agetV1V4agetV1V7Aais_dupletV2V7V8EAainfix &lt;=c2V0Aainfix &lt;V4V0Aainfix &lt;=c0V4Iais_dupletV2V3V4FAais_dupletV2V9V10EAainfix &lt;=c2V0INainfix =agetV1V11agetV1V13Aais_dupletV2V13V14Aais_dupletV2V11V12EAainfix &lt;=c4V0Aainfix &lt;=c0V0Lamk arrayV0V1F">
diff --git a/examples/foveoos11-cm/tree_max/why3session.xml b/examples/foveoos11-cm/tree_max/why3session.xml
index 8047bbdc413f477285631addf394d7d74f0dd245..ee464b398fff1bbba5eacbb6c83cdceddd2546a3 100644
--- a/examples/foveoos11-cm/tree_max/why3session.xml
+++ b/examples/foveoos11-cm/tree_max/why3session.xml
@@ -49,7 +49,7 @@
     locfile="../tree_max.mlw"
     loclnum="58" loccnumb="10" loccnume="17"
     expl="VC for max_aux"
-    sum="c2b6e12c0a720000ed7d0579b49f8c5c"
+    sum="6b764843259ff3f85cb0128cdc670c4d"
     proved="true"
     expanded="true"
     shape="Cainfix &gt;=V1V1Aage_treeV1V0aNullamemV7V0Oainfix =V7V1Aainfix &gt;=V7V1Aage_treeV7V0IamemV7V3Oainfix =V7V6Aainfix &gt;=V7V6Aage_treeV7V3FACfaNullainfix =V9V3Oainfix =V8V3aTreewVVV0IamemV6V4Oainfix =V6V5Aainfix &gt;=V6V5Aage_treeV6V4FACfaNullainfix =V11V4Oainfix =V10V4aTreewVVV0LamaxV2V1aTreeVVVV0F">
@@ -69,7 +69,7 @@
     locfile="../tree_max.mlw"
     loclnum="67" loccnumb="6" loccnume="9"
     expl="VC for max"
-    sum="c190d67bc2f25100647afbd61f1bb96e"
+    sum="1c828b90a1e4318baf723a5eae624377"
     proved="true"
     expanded="true"
     shape="CfaNullamemV5V0Aage_treeV5V0IamemV5V2Oainfix =V5V4Aainfix &gt;=V5V4Aage_treeV5V2FIamemV4V3Oainfix =V4V1Aainfix &gt;=V4V1Aage_treeV4V3FaTreeVVVV0INainfix =V0aNullF">
diff --git a/examples/foveoos11_challenge1/why3session.xml b/examples/foveoos11_challenge1/why3session.xml
index e7851ca4ccb084070640a913808ba01c912c5cf2..f378c67934e36a60191d0b0b58997b686f673ba4 100644
--- a/examples/foveoos11_challenge1/why3session.xml
+++ b/examples/foveoos11_challenge1/why3session.xml
@@ -20,7 +20,7 @@
     locfile="../foveoos11_challenge1.mlw"
     loclnum="13" loccnumb="6" loccnume="9"
     expl="VC for max"
-    sum="6ee802ee5cd914d3bef7c82009465989"
+    sum="5b81f2923d622d59df74ae3ed5135590"
     proved="true"
     expanded="true"
     shape="iainfix &lt;=agetV1V4agetV1V3Iainfix &lt;V4V0Aainfix &lt;=c0V4FAainfix &lt;V3V0Aainfix &lt;=c0V3iainfix &lt;ainfix -V5V3ainfix -V2V3Aainfix &lt;=c0ainfix -V2V3Aainfix &lt;=agetV1V6agetV1V3Oainfix &lt;=agetV1V6agetV1V5Iainfix &lt;V6V0Aainfix &lt;V5V6Oainfix &lt;V6V3Aainfix &lt;=c0V6FAainfix &lt;V5V0Aainfix &lt;=V3V5Aainfix &lt;=c0V3Iainfix =V5ainfix -V2c1Fainfix &lt;ainfix -V2V7ainfix -V2V3Aainfix &lt;=c0ainfix -V2V3Aainfix &lt;=agetV1V8agetV1V7Oainfix &lt;=agetV1V8agetV1V2Iainfix &lt;V8V0Aainfix &lt;V2V8Oainfix &lt;V8V7Aainfix &lt;=c0V8FAainfix &lt;V2V0Aainfix &lt;=V7V2Aainfix &lt;=c0V7Iainfix =V7ainfix +V3c1Fainfix &lt;=agetV1V3agetV1V2Aainfix &lt;V3V0Aainfix &lt;=c0V3Aainfix &lt;V2V0Aainfix &lt;=c0V2Nainfix =V3V2Iainfix &lt;=agetV1V9agetV1V3Oainfix &lt;=agetV1V9agetV1V2Iainfix &lt;V9V0Aainfix &lt;V2V9Oainfix &lt;V9V3Aainfix &lt;=c0V9FAainfix &lt;V2V0Aainfix &lt;=V3V2Aainfix &lt;=c0V3FAainfix &lt;=agetV1V10agetV1c0Oainfix &lt;=agetV1V10agetV1ainfix -V0c1Iainfix &lt;V10V0Aainfix &lt;ainfix -V0c1V10Oainfix &lt;V10c0Aainfix &lt;=c0V10FAainfix &lt;ainfix -V0c1V0Aainfix &lt;=c0ainfix -V0c1Aainfix &lt;=c0c0Iainfix &gt;V0c0Aainfix &lt;=c0V0F">
@@ -35,7 +35,7 @@
       locfile="../foveoos11_challenge1.mlw"
       loclnum="13" loccnumb="6" loccnume="9"
       expl="1. loop invariant init"
-      sum="b191904bfd3a99931d9e94fa10b4feeb"
+      sum="5933c6bf145fe8e5b712bffc1b7b3915"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix &lt;ainfix -V0c1V0Aainfix &lt;=c0ainfix -V0c1Aainfix &lt;=c0c0Iainfix &gt;V0c0Aainfix &lt;=c0V0F">
@@ -55,7 +55,7 @@
       locfile="../foveoos11_challenge1.mlw"
       loclnum="13" loccnumb="6" loccnume="9"
       expl="2. loop invariant init"
-      sum="6536dac2829047121667887634d93bff"
+      sum="12aba8e43bb56d10dd86d8944be42cc0"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix &lt;=agetV1V2agetV1c0Oainfix &lt;=agetV1V2agetV1ainfix -V0c1Iainfix &lt;V2V0Aainfix &lt;ainfix -V0c1V2Oainfix &lt;V2c0Aainfix &lt;=c0V2FIainfix &gt;V0c0Aainfix &lt;=c0V0F">
@@ -74,11 +74,11 @@
       name="WP_parameter max.3"
       locfile="../foveoos11_challenge1.mlw"
       loclnum="13" loccnumb="6" loccnume="9"
-      expl="3. precondition"
-      sum="84b5683849dbf664389af5d6978ce967"
+      expl="3. index in array bounds"
+      sum="7e1a88d59ccbb891510128abcafed0bf"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =V3V2Iainfix &lt;=agetV1V4agetV1V3Oainfix &lt;=agetV1V4agetV1V2Iainfix &lt;V4V0Aainfix &lt;V2V4Oainfix &lt;V4V3Aainfix &lt;=c0V4FAainfix &lt;V2V0Aainfix &lt;=V3V2Aainfix &lt;=c0V3FIainfix &gt;V0c0Aainfix &lt;=c0V0F">
+      shape="index in array boundsainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =V3V2Iainfix &lt;=agetV1V4agetV1V3Oainfix &lt;=agetV1V4agetV1V2Iainfix &lt;V4V0Aainfix &lt;V2V4Oainfix &lt;V4V3Aainfix &lt;=c0V4FAainfix &lt;V2V0Aainfix &lt;=V3V2Aainfix &lt;=c0V3FIainfix &gt;V0c0Aainfix &lt;=c0V0F">
       <label
        name="expl:VC for max"/>
       <proof
@@ -94,11 +94,11 @@
       name="WP_parameter max.4"
       locfile="../foveoos11_challenge1.mlw"
       loclnum="13" loccnumb="6" loccnume="9"
-      expl="4. precondition"
-      sum="bcc047b5e846473b768d1bb63429c9f9"
+      expl="4. index in array bounds"
+      sum="b33ee3d887af1a52bad4e0e01d1fb9c0"
       proved="true"
       expanded="false"
-      shape="preconditionainfix &lt;V3V0Aainfix &lt;=c0V3Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =V3V2Iainfix &lt;=agetV1V4agetV1V3Oainfix &lt;=agetV1V4agetV1V2Iainfix &lt;V4V0Aainfix &lt;V2V4Oainfix &lt;V4V3Aainfix &lt;=c0V4FAainfix &lt;V2V0Aainfix &lt;=V3V2Aainfix &lt;=c0V3FIainfix &gt;V0c0Aainfix &lt;=c0V0F">
+      shape="index in array boundsainfix &lt;V3V0Aainfix &lt;=c0V3Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =V3V2Iainfix &lt;=agetV1V4agetV1V3Oainfix &lt;=agetV1V4agetV1V2Iainfix &lt;V4V0Aainfix &lt;V2V4Oainfix &lt;V4V3Aainfix &lt;=c0V4FAainfix &lt;V2V0Aainfix &lt;=V3V2Aainfix &lt;=c0V3FIainfix &gt;V0c0Aainfix &lt;=c0V0F">
       <label
        name="expl:VC for max"/>
       <proof
@@ -115,7 +115,7 @@
       locfile="../foveoos11_challenge1.mlw"
       loclnum="13" loccnumb="6" loccnume="9"
       expl="5. loop invariant preservation"
-      sum="bb569932cd12c7f0baa8b5a5bc550a25"
+      sum="267f57c0907d37d6a0eb78974aac6a01"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &lt;V2V0Aainfix &lt;=V4V2Aainfix &lt;=c0V4Iainfix =V4ainfix +V3c1FIainfix &lt;=agetV1V3agetV1V2Iainfix &lt;V3V0Aainfix &lt;=c0V3Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =V3V2Iainfix &lt;=agetV1V5agetV1V3Oainfix &lt;=agetV1V5agetV1V2Iainfix &lt;V5V0Aainfix &lt;V2V5Oainfix &lt;V5V3Aainfix &lt;=c0V5FAainfix &lt;V2V0Aainfix &lt;=V3V2Aainfix &lt;=c0V3FIainfix &gt;V0c0Aainfix &lt;=c0V0F">
@@ -135,7 +135,7 @@
       locfile="../foveoos11_challenge1.mlw"
       loclnum="13" loccnumb="6" loccnume="9"
       expl="6. loop invariant preservation"
-      sum="8647d423404422d830b08fe61cdcf446"
+      sum="1b8f706297b3c3b49b3e7a9ae55ed32f"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &lt;=agetV1V5agetV1V4Oainfix &lt;=agetV1V5agetV1V2Iainfix &lt;V5V0Aainfix &lt;V2V5Oainfix &lt;V5V4Aainfix &lt;=c0V5FIainfix =V4ainfix +V3c1FIainfix &lt;=agetV1V3agetV1V2Iainfix &lt;V3V0Aainfix &lt;=c0V3Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =V3V2Iainfix &lt;=agetV1V6agetV1V3Oainfix &lt;=agetV1V6agetV1V2Iainfix &lt;V6V0Aainfix &lt;V2V6Oainfix &lt;V6V3Aainfix &lt;=c0V6FAainfix &lt;V2V0Aainfix &lt;=V3V2Aainfix &lt;=c0V3FIainfix &gt;V0c0Aainfix &lt;=c0V0F">
@@ -155,7 +155,7 @@
       locfile="../foveoos11_challenge1.mlw"
       loclnum="13" loccnumb="6" loccnume="9"
       expl="7. loop variant decrease"
-      sum="528eb19110039c281e6ddf4814136cfe"
+      sum="bb6f97f4f27382c8a9066d5531fc6379"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix &lt;ainfix -V2V4ainfix -V2V3Aainfix &lt;=c0ainfix -V2V3Iainfix =V4ainfix +V3c1FIainfix &lt;=agetV1V3agetV1V2Iainfix &lt;V3V0Aainfix &lt;=c0V3Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =V3V2Iainfix &lt;=agetV1V5agetV1V3Oainfix &lt;=agetV1V5agetV1V2Iainfix &lt;V5V0Aainfix &lt;V2V5Oainfix &lt;V5V3Aainfix &lt;=c0V5FAainfix &lt;V2V0Aainfix &lt;=V3V2Aainfix &lt;=c0V3FIainfix &gt;V0c0Aainfix &lt;=c0V0F">
@@ -175,7 +175,7 @@
       locfile="../foveoos11_challenge1.mlw"
       loclnum="13" loccnumb="6" loccnume="9"
       expl="8. loop invariant preservation"
-      sum="8cc0f12a526ba13104d3978883888f2b"
+      sum="66bc9267bfb59d48bd1191228dabd238"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &lt;V4V0Aainfix &lt;=V3V4Aainfix &lt;=c0V3Iainfix =V4ainfix -V2c1FINainfix &lt;=agetV1V3agetV1V2Iainfix &lt;V3V0Aainfix &lt;=c0V3Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =V3V2Iainfix &lt;=agetV1V5agetV1V3Oainfix &lt;=agetV1V5agetV1V2Iainfix &lt;V5V0Aainfix &lt;V2V5Oainfix &lt;V5V3Aainfix &lt;=c0V5FAainfix &lt;V2V0Aainfix &lt;=V3V2Aainfix &lt;=c0V3FIainfix &gt;V0c0Aainfix &lt;=c0V0F">
@@ -195,7 +195,7 @@
       locfile="../foveoos11_challenge1.mlw"
       loclnum="13" loccnumb="6" loccnume="9"
       expl="9. loop invariant preservation"
-      sum="15aff62c41278ef2caf93b4bebfaff61"
+      sum="0dea8e80e5d3c575b86f9d3ebf14d7df"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &lt;=agetV1V5agetV1V3Oainfix &lt;=agetV1V5agetV1V4Iainfix &lt;V5V0Aainfix &lt;V4V5Oainfix &lt;V5V3Aainfix &lt;=c0V5FIainfix =V4ainfix -V2c1FINainfix &lt;=agetV1V3agetV1V2Iainfix &lt;V3V0Aainfix &lt;=c0V3Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =V3V2Iainfix &lt;=agetV1V6agetV1V3Oainfix &lt;=agetV1V6agetV1V2Iainfix &lt;V6V0Aainfix &lt;V2V6Oainfix &lt;V6V3Aainfix &lt;=c0V6FAainfix &lt;V2V0Aainfix &lt;=V3V2Aainfix &lt;=c0V3FIainfix &gt;V0c0Aainfix &lt;=c0V0F">
@@ -215,7 +215,7 @@
       locfile="../foveoos11_challenge1.mlw"
       loclnum="13" loccnumb="6" loccnume="9"
       expl="10. loop variant decrease"
-      sum="ece24743d4f6e649c027f041b725ccdf"
+      sum="b215c15d06afd75df64bbf7a87864639"
       proved="true"
       expanded="false"
       shape="loop variant decreaseainfix &lt;ainfix -V4V3ainfix -V2V3Aainfix &lt;=c0ainfix -V2V3Iainfix =V4ainfix -V2c1FINainfix &lt;=agetV1V3agetV1V2Iainfix &lt;V3V0Aainfix &lt;=c0V3Iainfix &lt;V2V0Aainfix &lt;=c0V2INainfix =V3V2Iainfix &lt;=agetV1V5agetV1V3Oainfix &lt;=agetV1V5agetV1V2Iainfix &lt;V5V0Aainfix &lt;V2V5Oainfix &lt;V5V3Aainfix &lt;=c0V5FAainfix &lt;V2V0Aainfix &lt;=V3V2Aainfix &lt;=c0V3FIainfix &gt;V0c0Aainfix &lt;=c0V0F">
@@ -235,7 +235,7 @@
       locfile="../foveoos11_challenge1.mlw"
       loclnum="13" loccnumb="6" loccnume="9"
       expl="11. postcondition"
-      sum="bdd575d3675da00925d8d81650fc45c6"
+      sum="0c7f58e05627bd34344832930b84e3b3"
       proved="true"
       expanded="false"
       shape="postconditionainfix &lt;V3V0Aainfix &lt;=c0V3INNainfix =V3V2Iainfix &lt;=agetV1V4agetV1V3Oainfix &lt;=agetV1V4agetV1V2Iainfix &lt;V4V0Aainfix &lt;V2V4Oainfix &lt;V4V3Aainfix &lt;=c0V4FAainfix &lt;V2V0Aainfix &lt;=V3V2Aainfix &lt;=c0V3FIainfix &gt;V0c0Aainfix &lt;=c0V0F">
@@ -255,7 +255,7 @@
       locfile="../foveoos11_challenge1.mlw"
       loclnum="13" loccnumb="6" loccnume="9"
       expl="12. postcondition"
-      sum="976d2df81f7490196e46444b69e0743b"
+      sum="81d9c5d653fe33859717ae0405942e1c"
       proved="true"
       expanded="false"
       shape="postconditionainfix &lt;=agetV1V4agetV1V3Iainfix &lt;V4V0Aainfix &lt;=c0V4FINNainfix =V3V2Iainfix &lt;=agetV1V5agetV1V3Oainfix &lt;=agetV1V5agetV1V2Iainfix &lt;V5V0Aainfix &lt;V2V5Oainfix &lt;V5V3Aainfix &lt;=c0V5FAainfix &lt;V2V0Aainfix &lt;=V3V2Aainfix &lt;=c0V3FIainfix &gt;V0c0Aainfix &lt;=c0V0F">
diff --git a/examples/foveoos11_challenge2/why3session.xml b/examples/foveoos11_challenge2/why3session.xml
index 77bfb885bd8dfa28d5b47f15d93a8a734352e487..715f69eec3cb63cfb95d1e6617e5961d6f902f59 100644
--- a/examples/foveoos11_challenge2/why3session.xml
+++ b/examples/foveoos11_challenge2/why3session.xml
@@ -23,7 +23,7 @@
     name="size_nonneg"
     locfile="../foveoos11_challenge2.mlw"
     loclnum="20" loccnumb="8" loccnume="19"
-    sum="4b7b47199dbcebe6269d68e271013fd3"
+    sum="90be72aa7b64802ee6c2b22382b16a93"
     proved="true"
     expanded="true"
     shape="ainfix &gt;=asizeV0c0F">
@@ -42,7 +42,7 @@
     locfile="../foveoos11_challenge2.mlw"
     loclnum="27" loccnumb="10" loccnume="17"
     expl="VC for maximum"
-    sum="04cfaef9caba49f243c3ba2d6055ca5f"
+    sum="c0b136a3442f8a5627a4573fa7133376"
     proved="true"
     expanded="true"
     shape="CfaEmptyainfix &lt;=V2V1IamemV2V0FAamemV1V0aNodeaEmptyVaEmptyainfix &lt;=V7V6IamemV7V0FAamemV6V0LamaxV5V3Iainfix &lt;=V8V5IamemV8V4FAamemV5V4FANainfix =V4aEmptyAainfix &lt;asizeV4asizeV0Aainfix &lt;=c0asizeV0aNodeVVaEmptyOaNodeaEmptyVVainfix &lt;=V15V14IamemV15V0FAamemV14V0LamaxV13amaxV10V12Iainfix &lt;=V16V13IamemV16V9FAamemV13V9FANainfix =V9aEmptyAainfix &lt;asizeV9asizeV0Aainfix &lt;=c0asizeV0Iainfix &lt;=V17V12IamemV17V11FAamemV12V11FANainfix =V11aEmptyAainfix &lt;asizeV11asizeV0Aainfix &lt;=c0asizeV0aNodeVVVV0INainfix =V0aEmptyF">
diff --git a/examples/foveoos11_challenge3/why3session.xml b/examples/foveoos11_challenge3/why3session.xml
index d79006de4cec87e2d25c8b80028091580e5163be..12c9e69f398a7ab3e0a81711b007633d97a2c254 100644
--- a/examples/foveoos11_challenge3/why3session.xml
+++ b/examples/foveoos11_challenge3/why3session.xml
@@ -28,7 +28,7 @@
     locfile="../foveoos11_challenge3.mlw"
     loclnum="17" loccnumb="6" loccnume="24"
     expl="VC for two_equal_elements"
-    sum="2f0f69b69541940a4d1e61dfa8d2dc35"
+    sum="cf7bdaa98bac96f7b7b5bea8b9ece592"
     proved="true"
     expanded="true"
     shape="Nainfix =V6V5Aaappear_twiceV3V5ainfix +V2c2Aaappear_twiceV3V6ainfix +V2c2INaappear_twiceV3V8ainfix +V4c1INainfix =V8V6Iainfix &lt;V8V2Aainfix &lt;=c0V8FIainfix =V5aprefix -c1ANaappear_twiceV3V9ainfix +V4c1Iainfix &lt;V9V2Aainfix &lt;=c0V9FIainfix =V6aprefix -c1AiNainfix =agetV1V11V10Iainfix &lt;V11ainfix +V4c1Aainfix &lt;=c0V11Fainfix =agetV1V12V10Aainfix &lt;V12ainfix +V4c1Aainfix &lt;=c0V12Eainfix =agetV7V10aTrueIainfix &lt;V10V2Aainfix &lt;=c0V10FANainfix =V5V6Aaappear_twiceV3V5ainfix +V4c1INainfix =V5aprefix -c1Aaappear_twiceV3V6ainfix +V4c1INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1AiNaappear_twiceV3V16ainfix +V13c1INainfix =V16V6Iainfix &lt;V16V2Aainfix &lt;=c0V16FIainfix =V5aprefix -c1ANaappear_twiceV3V17ainfix +V13c1Iainfix &lt;V17V2Aainfix &lt;=c0V17FIainfix =V6aprefix -c1AiNainfix =agetV1V19V18Iainfix &lt;V19ainfix +V13c1Aainfix &lt;=c0V19Fainfix =agetV1V20V18Aainfix &lt;V20ainfix +V13c1Aainfix &lt;=c0V20Eainfix =agetV15V18aTrueIainfix &lt;V18V2Aainfix &lt;=c0V18FANainfix =V5V6Aaappear_twiceV3V5ainfix +V13c1INainfix =V5aprefix -c1Aaappear_twiceV3V6ainfix +V13c1INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix =V15asetV7V14aTrueAainfix &lt;=c0V2FAainfix &lt;V14V2Aainfix &lt;=c0V14iiNaappear_twiceV3V21ainfix +V13c1INainfix =V21V6Iainfix &lt;V21V2Aainfix &lt;=c0V21FIainfix =V5aprefix -c1ANaappear_twiceV3V22ainfix +V13c1Iainfix &lt;V22V2Aainfix &lt;=c0V22FIainfix =V6aprefix -c1AiNainfix =agetV1V24V23Iainfix &lt;V24ainfix +V13c1Aainfix &lt;=c0V24Fainfix =agetV1V25V23Aainfix &lt;V25ainfix +V13c1Aainfix &lt;=c0V25Eainfix =agetV7V23aTrueIainfix &lt;V23V2Aainfix &lt;=c0V23FANainfix =V5V6Aaappear_twiceV3V5ainfix +V13c1INainfix =V5aprefix -c1Aaappear_twiceV3V6ainfix +V13c1INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1iNaappear_twiceV3V26ainfix +V13c1INainfix =V26V6Iainfix &lt;V26V2Aainfix &lt;=c0V26FIainfix =V5aprefix -c1ANaappear_twiceV3V27ainfix +V13c1Iainfix &lt;V27V2Aainfix &lt;=c0V27FIainfix =V6aprefix -c1AiNainfix =agetV1V29V28Iainfix &lt;V29ainfix +V13c1Aainfix &lt;=c0V29Fainfix =agetV1V30V28Aainfix &lt;V30ainfix +V13c1Aainfix &lt;=c0V30Eainfix =agetV7V28aTrueIainfix &lt;V28V2Aainfix &lt;=c0V28FANainfix =V5V6Aaappear_twiceV3V5ainfix +V13c1INainfix =V5aprefix -c1Aaappear_twiceV3V6ainfix +V13c1INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Naappear_twiceV3V32ainfix +V13c1INainfix =V32V6Iainfix &lt;V32V2Aainfix &lt;=c0V32FIainfix =V31aprefix -c1ANaappear_twiceV3V33ainfix +V13c1Iainfix &lt;V33V2Aainfix &lt;=c0V33FIainfix =V6aprefix -c1AiNainfix =agetV1V35V34Iainfix &lt;V35ainfix +V13c1Aainfix &lt;=c0V35Fainfix =agetV1V36V34Aainfix &lt;V36ainfix +V13c1Aainfix &lt;=c0V36Eainfix =agetV7V34aTrueIainfix &lt;V34V2Aainfix &lt;=c0V34FANainfix =V31V6Aaappear_twiceV3V31ainfix +V13c1INainfix =V31aprefix -c1Aaappear_twiceV3V6ainfix +V13c1INainfix =V6aprefix -c1Aainfix =V31aprefix -c1Iainfix =V6aprefix -c1Iainfix =V31V14FNainfix =V14V6ainfix =V5aprefix -c1Naappear_twiceV3V38ainfix +V13c1INainfix =V38V37Iainfix &lt;V38V2Aainfix &lt;=c0V38FIainfix =V5aprefix -c1ANaappear_twiceV3V39ainfix +V13c1Iainfix &lt;V39V2Aainfix &lt;=c0V39FIainfix =V37aprefix -c1AiNainfix =agetV1V41V40Iainfix &lt;V41ainfix +V13c1Aainfix &lt;=c0V41Fainfix =agetV1V42V40Aainfix &lt;V42ainfix +V13c1Aainfix &lt;=c0V42Eainfix =agetV7V40aTrueIainfix &lt;V40V2Aainfix &lt;=c0V40FANainfix =V5V37Aaappear_twiceV3V5ainfix +V13c1INainfix =V5aprefix -c1Aaappear_twiceV3V37ainfix +V13c1INainfix =V37aprefix -c1Aainfix =V5aprefix -c1Iainfix =V37aprefix -c1Iainfix =V37V14Fainfix =V6aprefix -c1ainfix =agetV7V14aTrueAainfix &lt;V14V2Aainfix &lt;=c0V14Aainfix &lt;=c0V2LagetV1V13Aainfix &lt;V13V0Aainfix &lt;=c0V13INaappear_twiceV3V43V13INainfix =V43V6Iainfix &lt;V43V2Aainfix &lt;=c0V43FIainfix =V5aprefix -c1ANaappear_twiceV3V44V13Iainfix &lt;V44V2Aainfix &lt;=c0V44FIainfix =V6aprefix -c1AiNainfix =agetV1V46V45Iainfix &lt;V46V13Aainfix &lt;=c0V46Fainfix =agetV1V47V45Aainfix &lt;V47V13Aainfix &lt;=c0V47Eainfix =agetV7V45aTrueIainfix &lt;V45V2Aainfix &lt;=c0V45FANainfix =V5V6Aaappear_twiceV3V5V13INainfix =V5aprefix -c1Aaappear_twiceV3V6V13INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V13V4Aainfix &lt;=c0V13FFANaappear_twiceV3V48c0INainfix =V48aprefix -c1Iainfix &lt;V48V2Aainfix &lt;=c0V48FANaappear_twiceV3V49c0Iainfix &lt;V49V2Aainfix &lt;=c0V49FAiNainfix =agetV1V51V50Iainfix &lt;V51c0Aainfix &lt;=c0V51Fainfix =agetV1V52V50Aainfix &lt;V52c0Aainfix &lt;=c0V52Eainfix =agetaconstaFalseV50aTrueIainfix &lt;V50V2Aainfix &lt;=c0V50FIainfix &lt;=c0V4ANainfix =V53V54Aaappear_twiceV3V54ainfix +V2c2Aaappear_twiceV3V53ainfix +V2c2Laprefix -c1Laprefix -c1Iainfix &gt;c0V4Lainfix +V2c1Iainfix &lt;=c0V2Aainfix &gt;=V2c0INainfix =V56V55Aaappear_twiceV3V56ainfix +V2c2EAaappear_twiceV3V55ainfix +V2c2EAainfix &lt;agetV1V57V2Aainfix &lt;=c0agetV1V57Iainfix &lt;V57V0Aainfix &lt;=c0V57FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -42,11 +42,11 @@
       name="WP_parameter two_equal_elements.1"
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
-      expl="1. precondition"
-      sum="bc72a9e292acefd87e07bb4196d8ca49"
+      expl="1. array creation size"
+      sum="fcbd5906f87c854d1d802d29081c672d"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &gt;=V2c0INainfix =V5V4Aaappear_twiceV3V5ainfix +V2c2EAaappear_twiceV3V4ainfix +V2c2EAainfix &lt;agetV1V6V2Aainfix &lt;=c0agetV1V6Iainfix &lt;V6V0Aainfix &lt;=c0V6FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="array creation sizeainfix &gt;=V2c0INainfix =V5V4Aaappear_twiceV3V5ainfix +V2c2EAaappear_twiceV3V4ainfix +V2c2EAainfix &lt;agetV1V6V2Aainfix &lt;=c0agetV1V6Iainfix &lt;V6V0Aainfix &lt;=c0V6FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for two_equal_elements"/>
       <proof
@@ -63,7 +63,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="2. postcondition"
-      sum="17a4a79c2f2185d657e7762b0bef7fbd"
+      sum="25d65808b37c635ef8b8a6c74dbf6db5"
       proved="true"
       expanded="true"
       shape="postconditionNainfix =V5V6Aaappear_twiceV3V6ainfix +V2c2Aaappear_twiceV3V5ainfix +V2c2Laprefix -c1Laprefix -c1Iainfix &gt;c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V8V7Aaappear_twiceV3V8ainfix +V2c2EAaappear_twiceV3V7ainfix +V2c2EAainfix &lt;agetV1V9V2Aainfix &lt;=c0agetV1V9Iainfix &lt;V9V0Aainfix &lt;=c0V9FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -83,7 +83,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="3. loop invariant init"
-      sum="c04225a9c8cd52a8df349ee297be9241"
+      sum="3d1d63ae48380cad798dd9b03aa5ea54"
       proved="true"
       expanded="true"
       shape="loop invariant initiNainfix =agetV1V6V5Iainfix &lt;V6c0Aainfix &lt;=c0V6Fainfix =agetV1V7V5Aainfix &lt;V7c0Aainfix &lt;=c0V7Eainfix =agetaconstaFalseV5aTrueIainfix &lt;V5V2Aainfix &lt;=c0V5FIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V9V8Aaappear_twiceV3V9ainfix +V2c2EAaappear_twiceV3V8ainfix +V2c2EAainfix &lt;agetV1V10V2Aainfix &lt;=c0agetV1V10Iainfix &lt;V10V0Aainfix &lt;=c0V10FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -103,7 +103,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="4. loop invariant init"
-      sum="415d7c5bfc2e9b3081cee5a0554435d8"
+      sum="d66f53ab0269fe7ab6e412a433650d9e"
       proved="true"
       expanded="true"
       shape="loop invariant initNaappear_twiceV3V5c0Iainfix &lt;V5V2Aainfix &lt;=c0V5FIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V7V6Aaappear_twiceV3V7ainfix +V2c2EAaappear_twiceV3V6ainfix +V2c2EAainfix &lt;agetV1V8V2Aainfix &lt;=c0agetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -123,7 +123,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="5. loop invariant init"
-      sum="4f7953c11ea2bd0ca71a56d4adbb9312"
+      sum="990e50e0aea39032de19ba4459f58c8d"
       proved="true"
       expanded="true"
       shape="loop invariant initNaappear_twiceV3V5c0INainfix =V5aprefix -c1Iainfix &lt;V5V2Aainfix &lt;=c0V5FIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V7V6Aaappear_twiceV3V7ainfix +V2c2EAaappear_twiceV3V6ainfix +V2c2EAainfix &lt;agetV1V8V2Aainfix &lt;=c0agetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -142,11 +142,11 @@
       name="WP_parameter two_equal_elements.6"
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
-      expl="6. precondition"
-      sum="65a98be0569ce96f10d2149ceb4c31dc"
+      expl="6. index in array bounds"
+      sum="72e3dfe8e877420721381258deee681c"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V9V8INainfix =V9V6Iainfix &lt;V9V2Aainfix &lt;=c0V9FIainfix =V5aprefix -c1ANaappear_twiceV3V10V8Iainfix &lt;V10V2Aainfix &lt;=c0V10FIainfix =V6aprefix -c1AiNainfix =agetV1V12V11Iainfix &lt;V12V8Aainfix &lt;=c0V12Fainfix =agetV1V13V11Aainfix &lt;V13V8Aainfix &lt;=c0V13Eainfix =agetV7V11aTrueIainfix &lt;V11V2Aainfix &lt;=c0V11FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V15V14Aaappear_twiceV3V15ainfix +V2c2EAaappear_twiceV3V14ainfix +V2c2EAainfix &lt;agetV1V16V2Aainfix &lt;=c0agetV1V16Iainfix &lt;V16V0Aainfix &lt;=c0V16FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V9V8INainfix =V9V6Iainfix &lt;V9V2Aainfix &lt;=c0V9FIainfix =V5aprefix -c1ANaappear_twiceV3V10V8Iainfix &lt;V10V2Aainfix &lt;=c0V10FIainfix =V6aprefix -c1AiNainfix =agetV1V12V11Iainfix &lt;V12V8Aainfix &lt;=c0V12Fainfix =agetV1V13V11Aainfix &lt;V13V8Aainfix &lt;=c0V13Eainfix =agetV7V11aTrueIainfix &lt;V11V2Aainfix &lt;=c0V11FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V15V14Aaappear_twiceV3V15ainfix +V2c2EAaappear_twiceV3V14ainfix +V2c2EAainfix &lt;agetV1V16V2Aainfix &lt;=c0agetV1V16Iainfix &lt;V16V0Aainfix &lt;=c0V16FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for two_equal_elements"/>
       <proof
@@ -155,7 +155,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.02"/>
+       <result status="valid" time="0.01"/>
       </proof>
      </goal>
      <goal
@@ -163,7 +163,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="7. type invariant"
-      sum="c7991f0fb2ba43fbe6f40bc814b8278d"
+      sum="fa5a6c1eb8f67e1b21cbff8c9e6d883e"
       proved="true"
       expanded="true"
       shape="type invariantainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V10V8INainfix =V10V6Iainfix &lt;V10V2Aainfix &lt;=c0V10FIainfix =V5aprefix -c1ANaappear_twiceV3V11V8Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V6aprefix -c1AiNainfix =agetV1V13V12Iainfix &lt;V13V8Aainfix &lt;=c0V13Fainfix =agetV1V14V12Aainfix &lt;V14V8Aainfix &lt;=c0V14Eainfix =agetV7V12aTrueIainfix &lt;V12V2Aainfix &lt;=c0V12FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V16V15Aaappear_twiceV3V16ainfix +V2c2EAaappear_twiceV3V15ainfix +V2c2EAainfix &lt;agetV1V17V2Aainfix &lt;=c0agetV1V17Iainfix &lt;V17V0Aainfix &lt;=c0V17FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -182,11 +182,11 @@
       name="WP_parameter two_equal_elements.8"
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
-      expl="8. precondition"
-      sum="65844640370da141cd6d28821aa58baa"
+      expl="8. index in array bounds"
+      sum="bc544fd66360849f8567f21e24b1b83d"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V9V2Aainfix &lt;=c0V9Iainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V10V8INainfix =V10V6Iainfix &lt;V10V2Aainfix &lt;=c0V10FIainfix =V5aprefix -c1ANaappear_twiceV3V11V8Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V6aprefix -c1AiNainfix =agetV1V13V12Iainfix &lt;V13V8Aainfix &lt;=c0V13Fainfix =agetV1V14V12Aainfix &lt;V14V8Aainfix &lt;=c0V14Eainfix =agetV7V12aTrueIainfix &lt;V12V2Aainfix &lt;=c0V12FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V16V15Aaappear_twiceV3V16ainfix +V2c2EAaappear_twiceV3V15ainfix +V2c2EAainfix &lt;agetV1V17V2Aainfix &lt;=c0agetV1V17Iainfix &lt;V17V0Aainfix &lt;=c0V17FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;V9V2Aainfix &lt;=c0V9Iainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V10V8INainfix =V10V6Iainfix &lt;V10V2Aainfix &lt;=c0V10FIainfix =V5aprefix -c1ANaappear_twiceV3V11V8Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V6aprefix -c1AiNainfix =agetV1V13V12Iainfix &lt;V13V8Aainfix &lt;=c0V13Fainfix =agetV1V14V12Aainfix &lt;V14V8Aainfix &lt;=c0V14Eainfix =agetV7V12aTrueIainfix &lt;V12V2Aainfix &lt;=c0V12FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V16V15Aaappear_twiceV3V16ainfix +V2c2EAaappear_twiceV3V15ainfix +V2c2EAainfix &lt;agetV1V17V2Aainfix &lt;=c0agetV1V17Iainfix &lt;V17V0Aainfix &lt;=c0V17FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for two_equal_elements"/>
       <proof
@@ -195,7 +195,7 @@
        memlimit="1000"
        obsolete="false"
        archived="false">
-       <result status="valid" time="0.01"/>
+       <result status="valid" time="0.02"/>
       </proof>
      </goal>
      <goal
@@ -203,7 +203,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="9. loop invariant preservation"
-      sum="d41d867cd616a7d65dae0c283e9c2435"
+      sum="6a8cf2084456e42a5f47b454cb0d7867"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainfix =V5aprefix -c1Iainfix =V10aprefix -c1Iainfix =V10V9FIainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V11V8INainfix =V11V6Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V5aprefix -c1ANaappear_twiceV3V12V8Iainfix &lt;V12V2Aainfix &lt;=c0V12FIainfix =V6aprefix -c1AiNainfix =agetV1V14V13Iainfix &lt;V14V8Aainfix &lt;=c0V14Fainfix =agetV1V15V13Aainfix &lt;V15V8Aainfix &lt;=c0V15Eainfix =agetV7V13aTrueIainfix &lt;V13V2Aainfix &lt;=c0V13FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V17V16Aaappear_twiceV3V17ainfix +V2c2EAaappear_twiceV3V16ainfix +V2c2EAainfix &lt;agetV1V18V2Aainfix &lt;=c0agetV1V18Iainfix &lt;V18V0Aainfix &lt;=c0V18FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -223,7 +223,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="10. loop invariant preservation"
-      sum="09678c63113466791815782d29e6730f"
+      sum="50d0f3f611b76b59aa76be4ceaec5f9c"
       proved="true"
       expanded="true"
       shape="loop invariant preservationaappear_twiceV3V10ainfix +V8c1INainfix =V10aprefix -c1Iainfix =V10V9FIainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V11V8INainfix =V11V6Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V5aprefix -c1ANaappear_twiceV3V12V8Iainfix &lt;V12V2Aainfix &lt;=c0V12FIainfix =V6aprefix -c1AiNainfix =agetV1V14V13Iainfix &lt;V14V8Aainfix &lt;=c0V14Fainfix =agetV1V15V13Aainfix &lt;V15V8Aainfix &lt;=c0V15Eainfix =agetV7V13aTrueIainfix &lt;V13V2Aainfix &lt;=c0V13FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V17V16Aaappear_twiceV3V17ainfix +V2c2EAaappear_twiceV3V16ainfix +V2c2EAainfix &lt;agetV1V18V2Aainfix &lt;=c0agetV1V18Iainfix &lt;V18V0Aainfix &lt;=c0V18FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -243,7 +243,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="11. loop invariant preservation"
-      sum="bd85c9d0061f68cb1d79cd4652ab0f6c"
+      sum="ca33eb047dc53b56eeff824106146f2b"
       proved="true"
       expanded="true"
       shape="loop invariant preservationNainfix =V5V10Aaappear_twiceV3V5ainfix +V8c1INainfix =V5aprefix -c1Iainfix =V10V9FIainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V11V8INainfix =V11V6Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V5aprefix -c1ANaappear_twiceV3V12V8Iainfix &lt;V12V2Aainfix &lt;=c0V12FIainfix =V6aprefix -c1AiNainfix =agetV1V14V13Iainfix &lt;V14V8Aainfix &lt;=c0V14Fainfix =agetV1V15V13Aainfix &lt;V15V8Aainfix &lt;=c0V15Eainfix =agetV7V13aTrueIainfix &lt;V13V2Aainfix &lt;=c0V13FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V17V16Aaappear_twiceV3V17ainfix +V2c2EAaappear_twiceV3V16ainfix +V2c2EAainfix &lt;agetV1V18V2Aainfix &lt;=c0agetV1V18Iainfix &lt;V18V0Aainfix &lt;=c0V18FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -263,7 +263,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="12. loop invariant preservation"
-      sum="c87c235ce237c2955068577e39b1a933"
+      sum="483a41ea1e929cecdc1ec6abd9787b49"
       proved="true"
       expanded="true"
       shape="loop invariant preservationiNainfix =agetV1V12V11Iainfix &lt;V12ainfix +V8c1Aainfix &lt;=c0V12Fainfix =agetV1V13V11Aainfix &lt;V13ainfix +V8c1Aainfix &lt;=c0V13Eainfix =agetV7V11aTrueIainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V10V9FIainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V14V8INainfix =V14V6Iainfix &lt;V14V2Aainfix &lt;=c0V14FIainfix =V5aprefix -c1ANaappear_twiceV3V15V8Iainfix &lt;V15V2Aainfix &lt;=c0V15FIainfix =V6aprefix -c1AiNainfix =agetV1V17V16Iainfix &lt;V17V8Aainfix &lt;=c0V17Fainfix =agetV1V18V16Aainfix &lt;V18V8Aainfix &lt;=c0V18Eainfix =agetV7V16aTrueIainfix &lt;V16V2Aainfix &lt;=c0V16FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V20V19Aaappear_twiceV3V20ainfix +V2c2EAaappear_twiceV3V19ainfix +V2c2EAainfix &lt;agetV1V21V2Aainfix &lt;=c0agetV1V21Iainfix &lt;V21V0Aainfix &lt;=c0V21FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -283,7 +283,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="13. loop invariant preservation"
-      sum="db39d774b58fe11f7c2237f93e3bc72f"
+      sum="625ad22079e3ec6bce6b21004f6e207a"
       proved="true"
       expanded="true"
       shape="loop invariant preservationNaappear_twiceV3V11ainfix +V8c1Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V10aprefix -c1Iainfix =V10V9FIainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V12V8INainfix =V12V6Iainfix &lt;V12V2Aainfix &lt;=c0V12FIainfix =V5aprefix -c1ANaappear_twiceV3V13V8Iainfix &lt;V13V2Aainfix &lt;=c0V13FIainfix =V6aprefix -c1AiNainfix =agetV1V15V14Iainfix &lt;V15V8Aainfix &lt;=c0V15Fainfix =agetV1V16V14Aainfix &lt;V16V8Aainfix &lt;=c0V16Eainfix =agetV7V14aTrueIainfix &lt;V14V2Aainfix &lt;=c0V14FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V18V17Aaappear_twiceV3V18ainfix +V2c2EAaappear_twiceV3V17ainfix +V2c2EAainfix &lt;agetV1V19V2Aainfix &lt;=c0agetV1V19Iainfix &lt;V19V0Aainfix &lt;=c0V19FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -303,7 +303,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="14. loop invariant preservation"
-      sum="171cf7b09b9a559c2520959cb21fc38e"
+      sum="c259a77048afc4bbc71e84ec4fd89c55"
       proved="true"
       expanded="true"
       shape="loop invariant preservationNaappear_twiceV3V11ainfix +V8c1INainfix =V11V10Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V5aprefix -c1Iainfix =V10V9FIainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V12V8INainfix =V12V6Iainfix &lt;V12V2Aainfix &lt;=c0V12FIainfix =V5aprefix -c1ANaappear_twiceV3V13V8Iainfix &lt;V13V2Aainfix &lt;=c0V13FIainfix =V6aprefix -c1AiNainfix =agetV1V15V14Iainfix &lt;V15V8Aainfix &lt;=c0V15Fainfix =agetV1V16V14Aainfix &lt;V16V8Aainfix &lt;=c0V16Eainfix =agetV7V14aTrueIainfix &lt;V14V2Aainfix &lt;=c0V14FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V18V17Aaappear_twiceV3V18ainfix +V2c2EAaappear_twiceV3V17ainfix +V2c2EAainfix &lt;agetV1V19V2Aainfix &lt;=c0agetV1V19Iainfix &lt;V19V0Aainfix &lt;=c0V19FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -324,7 +324,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="15. loop invariant preservation"
-      sum="9f7416d1ce1bf67a113d5e3876d9492e"
+      sum="dbeabe9ad0782a369f69dbbe132a55c0"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainfix =V10aprefix -c1Iainfix =V6aprefix -c1Iainfix =V10V9FINainfix =V9V6Iainfix =V5aprefix -c1INainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V11V8INainfix =V11V6Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V5aprefix -c1ANaappear_twiceV3V12V8Iainfix &lt;V12V2Aainfix &lt;=c0V12FIainfix =V6aprefix -c1AiNainfix =agetV1V14V13Iainfix &lt;V14V8Aainfix &lt;=c0V14Fainfix =agetV1V15V13Aainfix &lt;V15V8Aainfix &lt;=c0V15Eainfix =agetV7V13aTrueIainfix &lt;V13V2Aainfix &lt;=c0V13FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V17V16Aaappear_twiceV3V17ainfix +V2c2EAaappear_twiceV3V16ainfix +V2c2EAainfix &lt;agetV1V18V2Aainfix &lt;=c0agetV1V18Iainfix &lt;V18V0Aainfix &lt;=c0V18FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -344,7 +344,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="16. loop invariant preservation"
-      sum="6fe69a0c27365c35b48f383b933ed787"
+      sum="b6c37b74c2ef04474684456a403add46"
       proved="true"
       expanded="true"
       shape="loop invariant preservationaappear_twiceV3V6ainfix +V8c1INainfix =V6aprefix -c1Iainfix =V10V9FINainfix =V9V6Iainfix =V5aprefix -c1INainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V11V8INainfix =V11V6Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V5aprefix -c1ANaappear_twiceV3V12V8Iainfix &lt;V12V2Aainfix &lt;=c0V12FIainfix =V6aprefix -c1AiNainfix =agetV1V14V13Iainfix &lt;V14V8Aainfix &lt;=c0V14Fainfix =agetV1V15V13Aainfix &lt;V15V8Aainfix &lt;=c0V15Eainfix =agetV7V13aTrueIainfix &lt;V13V2Aainfix &lt;=c0V13FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V17V16Aaappear_twiceV3V17ainfix +V2c2EAaappear_twiceV3V16ainfix +V2c2EAainfix &lt;agetV1V18V2Aainfix &lt;=c0agetV1V18Iainfix &lt;V18V0Aainfix &lt;=c0V18FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -364,7 +364,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="17. loop invariant preservation"
-      sum="9e1d45266c562aa18b0c6b0b333caa69"
+      sum="086f2662ef138b6cc2fa705c64aac2b5"
       proved="true"
       expanded="true"
       shape="loop invariant preservationNainfix =V10V6Aaappear_twiceV3V10ainfix +V8c1INainfix =V10aprefix -c1Iainfix =V10V9FINainfix =V9V6Iainfix =V5aprefix -c1INainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V11V8INainfix =V11V6Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V5aprefix -c1ANaappear_twiceV3V12V8Iainfix &lt;V12V2Aainfix &lt;=c0V12FIainfix =V6aprefix -c1AiNainfix =agetV1V14V13Iainfix &lt;V14V8Aainfix &lt;=c0V14Fainfix =agetV1V15V13Aainfix &lt;V15V8Aainfix &lt;=c0V15Eainfix =agetV7V13aTrueIainfix &lt;V13V2Aainfix &lt;=c0V13FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V17V16Aaappear_twiceV3V17ainfix +V2c2EAaappear_twiceV3V16ainfix +V2c2EAainfix &lt;agetV1V18V2Aainfix &lt;=c0agetV1V18Iainfix &lt;V18V0Aainfix &lt;=c0V18FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -384,7 +384,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="18. loop invariant preservation"
-      sum="ccdefaba47c6766195439b20cd515ce9"
+      sum="c9e03e69941c4f909c93557fee5722d3"
       proved="true"
       expanded="true"
       shape="loop invariant preservationiNainfix =agetV1V12V11Iainfix &lt;V12ainfix +V8c1Aainfix &lt;=c0V12Fainfix =agetV1V13V11Aainfix &lt;V13ainfix +V8c1Aainfix &lt;=c0V13Eainfix =agetV7V11aTrueIainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V10V9FINainfix =V9V6Iainfix =V5aprefix -c1INainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V14V8INainfix =V14V6Iainfix &lt;V14V2Aainfix &lt;=c0V14FIainfix =V5aprefix -c1ANaappear_twiceV3V15V8Iainfix &lt;V15V2Aainfix &lt;=c0V15FIainfix =V6aprefix -c1AiNainfix =agetV1V17V16Iainfix &lt;V17V8Aainfix &lt;=c0V17Fainfix =agetV1V18V16Aainfix &lt;V18V8Aainfix &lt;=c0V18Eainfix =agetV7V16aTrueIainfix &lt;V16V2Aainfix &lt;=c0V16FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V20V19Aaappear_twiceV3V20ainfix +V2c2EAaappear_twiceV3V19ainfix +V2c2EAainfix &lt;agetV1V21V2Aainfix &lt;=c0agetV1V21Iainfix &lt;V21V0Aainfix &lt;=c0V21FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -404,7 +404,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="19. loop invariant preservation"
-      sum="b8a8977f0747ab06d3fab87fa969e42d"
+      sum="f04b085dddbeabcd39df275893b73bd3"
       proved="true"
       expanded="true"
       shape="loop invariant preservationNaappear_twiceV3V11ainfix +V8c1Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V6aprefix -c1Iainfix =V10V9FINainfix =V9V6Iainfix =V5aprefix -c1INainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V12V8INainfix =V12V6Iainfix &lt;V12V2Aainfix &lt;=c0V12FIainfix =V5aprefix -c1ANaappear_twiceV3V13V8Iainfix &lt;V13V2Aainfix &lt;=c0V13FIainfix =V6aprefix -c1AiNainfix =agetV1V15V14Iainfix &lt;V15V8Aainfix &lt;=c0V15Fainfix =agetV1V16V14Aainfix &lt;V16V8Aainfix &lt;=c0V16Eainfix =agetV7V14aTrueIainfix &lt;V14V2Aainfix &lt;=c0V14FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V18V17Aaappear_twiceV3V18ainfix +V2c2EAaappear_twiceV3V17ainfix +V2c2EAainfix &lt;agetV1V19V2Aainfix &lt;=c0agetV1V19Iainfix &lt;V19V0Aainfix &lt;=c0V19FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -424,7 +424,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="20. loop invariant preservation"
-      sum="8297d4e099a089a233c70bffc059b240"
+      sum="7fe992792363a78593716ac142625d58"
       proved="true"
       expanded="true"
       shape="loop invariant preservationNaappear_twiceV3V11ainfix +V8c1INainfix =V11V6Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V10aprefix -c1Iainfix =V10V9FINainfix =V9V6Iainfix =V5aprefix -c1INainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V12V8INainfix =V12V6Iainfix &lt;V12V2Aainfix &lt;=c0V12FIainfix =V5aprefix -c1ANaappear_twiceV3V13V8Iainfix &lt;V13V2Aainfix &lt;=c0V13FIainfix =V6aprefix -c1AiNainfix =agetV1V15V14Iainfix &lt;V15V8Aainfix &lt;=c0V15Fainfix =agetV1V16V14Aainfix &lt;V16V8Aainfix &lt;=c0V16Eainfix =agetV7V14aTrueIainfix &lt;V14V2Aainfix &lt;=c0V14FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V18V17Aaappear_twiceV3V18ainfix +V2c2EAaappear_twiceV3V17ainfix +V2c2EAainfix &lt;agetV1V19V2Aainfix &lt;=c0agetV1V19Iainfix &lt;V19V0Aainfix &lt;=c0V19FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -444,7 +444,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="21. loop invariant preservation"
-      sum="66080f7dc99d4d72ceaaa1ff3080f3bb"
+      sum="57c0e63cf580b80dc060b2210073a8ae"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainfix =V5aprefix -c1Iainfix =V6aprefix -c1INNainfix =V9V6Iainfix =V5aprefix -c1INainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V10V8INainfix =V10V6Iainfix &lt;V10V2Aainfix &lt;=c0V10FIainfix =V5aprefix -c1ANaappear_twiceV3V11V8Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V6aprefix -c1AiNainfix =agetV1V13V12Iainfix &lt;V13V8Aainfix &lt;=c0V13Fainfix =agetV1V14V12Aainfix &lt;V14V8Aainfix &lt;=c0V14Eainfix =agetV7V12aTrueIainfix &lt;V12V2Aainfix &lt;=c0V12FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V16V15Aaappear_twiceV3V16ainfix +V2c2EAaappear_twiceV3V15ainfix +V2c2EAainfix &lt;agetV1V17V2Aainfix &lt;=c0agetV1V17Iainfix &lt;V17V0Aainfix &lt;=c0V17FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -464,7 +464,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="22. loop invariant preservation"
-      sum="f0aafd463010d837077c919e956e07a3"
+      sum="6d2acbe6b628a62483d6a77803cd55a6"
       proved="true"
       expanded="true"
       shape="loop invariant preservationaappear_twiceV3V6ainfix +V8c1INainfix =V6aprefix -c1INNainfix =V9V6Iainfix =V5aprefix -c1INainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V10V8INainfix =V10V6Iainfix &lt;V10V2Aainfix &lt;=c0V10FIainfix =V5aprefix -c1ANaappear_twiceV3V11V8Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V6aprefix -c1AiNainfix =agetV1V13V12Iainfix &lt;V13V8Aainfix &lt;=c0V13Fainfix =agetV1V14V12Aainfix &lt;V14V8Aainfix &lt;=c0V14Eainfix =agetV7V12aTrueIainfix &lt;V12V2Aainfix &lt;=c0V12FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V16V15Aaappear_twiceV3V16ainfix +V2c2EAaappear_twiceV3V15ainfix +V2c2EAainfix &lt;agetV1V17V2Aainfix &lt;=c0agetV1V17Iainfix &lt;V17V0Aainfix &lt;=c0V17FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -484,7 +484,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="23. loop invariant preservation"
-      sum="152cdb84931b93631f632f1079b9e15c"
+      sum="ceb7f9a3b2fa7d66a5922fece9488972"
       proved="true"
       expanded="true"
       shape="loop invariant preservationNainfix =V5V6Aaappear_twiceV3V5ainfix +V8c1INainfix =V5aprefix -c1INNainfix =V9V6Iainfix =V5aprefix -c1INainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V10V8INainfix =V10V6Iainfix &lt;V10V2Aainfix &lt;=c0V10FIainfix =V5aprefix -c1ANaappear_twiceV3V11V8Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V6aprefix -c1AiNainfix =agetV1V13V12Iainfix &lt;V13V8Aainfix &lt;=c0V13Fainfix =agetV1V14V12Aainfix &lt;V14V8Aainfix &lt;=c0V14Eainfix =agetV7V12aTrueIainfix &lt;V12V2Aainfix &lt;=c0V12FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V16V15Aaappear_twiceV3V16ainfix +V2c2EAaappear_twiceV3V15ainfix +V2c2EAainfix &lt;agetV1V17V2Aainfix &lt;=c0agetV1V17Iainfix &lt;V17V0Aainfix &lt;=c0V17FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -504,7 +504,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="24. loop invariant preservation"
-      sum="d47c7102fedd5cb671caf1849d02cf4a"
+      sum="ae24ccb77f70967479bbafb00fdb592b"
       proved="true"
       expanded="true"
       shape="loop invariant preservationiNainfix =agetV1V11V10Iainfix &lt;V11ainfix +V8c1Aainfix &lt;=c0V11Fainfix =agetV1V12V10Aainfix &lt;V12ainfix +V8c1Aainfix &lt;=c0V12Eainfix =agetV7V10aTrueIainfix &lt;V10V2Aainfix &lt;=c0V10FINNainfix =V9V6Iainfix =V5aprefix -c1INainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V13V8INainfix =V13V6Iainfix &lt;V13V2Aainfix &lt;=c0V13FIainfix =V5aprefix -c1ANaappear_twiceV3V14V8Iainfix &lt;V14V2Aainfix &lt;=c0V14FIainfix =V6aprefix -c1AiNainfix =agetV1V16V15Iainfix &lt;V16V8Aainfix &lt;=c0V16Fainfix =agetV1V17V15Aainfix &lt;V17V8Aainfix &lt;=c0V17Eainfix =agetV7V15aTrueIainfix &lt;V15V2Aainfix &lt;=c0V15FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V19V18Aaappear_twiceV3V19ainfix +V2c2EAaappear_twiceV3V18ainfix +V2c2EAainfix &lt;agetV1V20V2Aainfix &lt;=c0agetV1V20Iainfix &lt;V20V0Aainfix &lt;=c0V20FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -524,7 +524,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="25. loop invariant preservation"
-      sum="30128f632ee08478da35a5013cdbc9f8"
+      sum="08a67ac4b4bf193a09cfdd9e00a70b41"
       proved="true"
       expanded="true"
       shape="loop invariant preservationNaappear_twiceV3V10ainfix +V8c1Iainfix &lt;V10V2Aainfix &lt;=c0V10FIainfix =V6aprefix -c1INNainfix =V9V6Iainfix =V5aprefix -c1INainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V11V8INainfix =V11V6Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V5aprefix -c1ANaappear_twiceV3V12V8Iainfix &lt;V12V2Aainfix &lt;=c0V12FIainfix =V6aprefix -c1AiNainfix =agetV1V14V13Iainfix &lt;V14V8Aainfix &lt;=c0V14Fainfix =agetV1V15V13Aainfix &lt;V15V8Aainfix &lt;=c0V15Eainfix =agetV7V13aTrueIainfix &lt;V13V2Aainfix &lt;=c0V13FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V17V16Aaappear_twiceV3V17ainfix +V2c2EAaappear_twiceV3V16ainfix +V2c2EAainfix &lt;agetV1V18V2Aainfix &lt;=c0agetV1V18Iainfix &lt;V18V0Aainfix &lt;=c0V18FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -544,7 +544,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="26. loop invariant preservation"
-      sum="a88d7fa440383daa6041f21f75850562"
+      sum="ddbd152c1ca10b9ad8db90583ef84a18"
       proved="true"
       expanded="true"
       shape="loop invariant preservationNaappear_twiceV3V10ainfix +V8c1INainfix =V10V6Iainfix &lt;V10V2Aainfix &lt;=c0V10FIainfix =V5aprefix -c1INNainfix =V9V6Iainfix =V5aprefix -c1INainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V11V8INainfix =V11V6Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V5aprefix -c1ANaappear_twiceV3V12V8Iainfix &lt;V12V2Aainfix &lt;=c0V12FIainfix =V6aprefix -c1AiNainfix =agetV1V14V13Iainfix &lt;V14V8Aainfix &lt;=c0V14Fainfix =agetV1V15V13Aainfix &lt;V15V8Aainfix &lt;=c0V15Eainfix =agetV7V13aTrueIainfix &lt;V13V2Aainfix &lt;=c0V13FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V17V16Aaappear_twiceV3V17ainfix +V2c2EAaappear_twiceV3V16ainfix +V2c2EAainfix &lt;agetV1V18V2Aainfix &lt;=c0agetV1V18Iainfix &lt;V18V0Aainfix &lt;=c0V18FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -557,7 +557,7 @@
        edited="foveoos11_challenge3_WP_TwoEqualElements_WP_parameter_two_equal_elements_2.v"
        obsolete="false"
        archived="false">
-       <result status="valid" time="3.56"/>
+       <result status="valid" time="4.08"/>
       </proof>
      </goal>
      <goal
@@ -565,7 +565,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="27. loop invariant preservation"
-      sum="cd039473cbbf3b23c4d2dcbceb8a773f"
+      sum="aa44931229d4fe186391de868112a7b8"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainfix =V5aprefix -c1Iainfix =V6aprefix -c1INainfix =V5aprefix -c1INainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V10V8INainfix =V10V6Iainfix &lt;V10V2Aainfix &lt;=c0V10FIainfix =V5aprefix -c1ANaappear_twiceV3V11V8Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V6aprefix -c1AiNainfix =agetV1V13V12Iainfix &lt;V13V8Aainfix &lt;=c0V13Fainfix =agetV1V14V12Aainfix &lt;V14V8Aainfix &lt;=c0V14Eainfix =agetV7V12aTrueIainfix &lt;V12V2Aainfix &lt;=c0V12FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V16V15Aaappear_twiceV3V16ainfix +V2c2EAaappear_twiceV3V15ainfix +V2c2EAainfix &lt;agetV1V17V2Aainfix &lt;=c0agetV1V17Iainfix &lt;V17V0Aainfix &lt;=c0V17FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -585,7 +585,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="28. loop invariant preservation"
-      sum="0b3d70bae052bb6e7fe1a09622604784"
+      sum="422ccee896ed0f981bba860f325dbc6b"
       proved="true"
       expanded="true"
       shape="loop invariant preservationaappear_twiceV3V6ainfix +V8c1INainfix =V6aprefix -c1INainfix =V5aprefix -c1INainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V10V8INainfix =V10V6Iainfix &lt;V10V2Aainfix &lt;=c0V10FIainfix =V5aprefix -c1ANaappear_twiceV3V11V8Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V6aprefix -c1AiNainfix =agetV1V13V12Iainfix &lt;V13V8Aainfix &lt;=c0V13Fainfix =agetV1V14V12Aainfix &lt;V14V8Aainfix &lt;=c0V14Eainfix =agetV7V12aTrueIainfix &lt;V12V2Aainfix &lt;=c0V12FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V16V15Aaappear_twiceV3V16ainfix +V2c2EAaappear_twiceV3V15ainfix +V2c2EAainfix &lt;agetV1V17V2Aainfix &lt;=c0agetV1V17Iainfix &lt;V17V0Aainfix &lt;=c0V17FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -605,7 +605,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="29. loop invariant preservation"
-      sum="f1e87b30b766e81d9bfa7e0d468841d9"
+      sum="36c75f167c5c8fed089d45d1a0f34930"
       proved="true"
       expanded="true"
       shape="loop invariant preservationNainfix =V5V6Aaappear_twiceV3V5ainfix +V8c1INainfix =V5aprefix -c1INainfix =V5aprefix -c1INainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V10V8INainfix =V10V6Iainfix &lt;V10V2Aainfix &lt;=c0V10FIainfix =V5aprefix -c1ANaappear_twiceV3V11V8Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V6aprefix -c1AiNainfix =agetV1V13V12Iainfix &lt;V13V8Aainfix &lt;=c0V13Fainfix =agetV1V14V12Aainfix &lt;V14V8Aainfix &lt;=c0V14Eainfix =agetV7V12aTrueIainfix &lt;V12V2Aainfix &lt;=c0V12FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V16V15Aaappear_twiceV3V16ainfix +V2c2EAaappear_twiceV3V15ainfix +V2c2EAainfix &lt;agetV1V17V2Aainfix &lt;=c0agetV1V17Iainfix &lt;V17V0Aainfix &lt;=c0V17FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -625,7 +625,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="30. loop invariant preservation"
-      sum="2555c6288f2f8075d1af549711d46769"
+      sum="f6eff6bdd6522672a1540683b3e163ab"
       proved="true"
       expanded="true"
       shape="loop invariant preservationiNainfix =agetV1V11V10Iainfix &lt;V11ainfix +V8c1Aainfix &lt;=c0V11Fainfix =agetV1V12V10Aainfix &lt;V12ainfix +V8c1Aainfix &lt;=c0V12Eainfix =agetV7V10aTrueIainfix &lt;V10V2Aainfix &lt;=c0V10FINainfix =V5aprefix -c1INainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V13V8INainfix =V13V6Iainfix &lt;V13V2Aainfix &lt;=c0V13FIainfix =V5aprefix -c1ANaappear_twiceV3V14V8Iainfix &lt;V14V2Aainfix &lt;=c0V14FIainfix =V6aprefix -c1AiNainfix =agetV1V16V15Iainfix &lt;V16V8Aainfix &lt;=c0V16Fainfix =agetV1V17V15Aainfix &lt;V17V8Aainfix &lt;=c0V17Eainfix =agetV7V15aTrueIainfix &lt;V15V2Aainfix &lt;=c0V15FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V19V18Aaappear_twiceV3V19ainfix +V2c2EAaappear_twiceV3V18ainfix +V2c2EAainfix &lt;agetV1V20V2Aainfix &lt;=c0agetV1V20Iainfix &lt;V20V0Aainfix &lt;=c0V20FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -645,7 +645,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="31. loop invariant preservation"
-      sum="03a94059cfc706037e6e14ef6d29d53a"
+      sum="8dd74950402f496f7dcdbb9249b477a9"
       proved="true"
       expanded="true"
       shape="loop invariant preservationNaappear_twiceV3V10ainfix +V8c1Iainfix &lt;V10V2Aainfix &lt;=c0V10FIainfix =V6aprefix -c1INainfix =V5aprefix -c1INainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V11V8INainfix =V11V6Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V5aprefix -c1ANaappear_twiceV3V12V8Iainfix &lt;V12V2Aainfix &lt;=c0V12FIainfix =V6aprefix -c1AiNainfix =agetV1V14V13Iainfix &lt;V14V8Aainfix &lt;=c0V14Fainfix =agetV1V15V13Aainfix &lt;V15V8Aainfix &lt;=c0V15Eainfix =agetV7V13aTrueIainfix &lt;V13V2Aainfix &lt;=c0V13FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V17V16Aaappear_twiceV3V17ainfix +V2c2EAaappear_twiceV3V16ainfix +V2c2EAainfix &lt;agetV1V18V2Aainfix &lt;=c0agetV1V18Iainfix &lt;V18V0Aainfix &lt;=c0V18FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -665,7 +665,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="32. loop invariant preservation"
-      sum="d7cebc314706091b733d983afb30486b"
+      sum="0eacc7a7b5b087da77fe9503cb8f18e0"
       proved="true"
       expanded="true"
       shape="loop invariant preservationNaappear_twiceV3V10ainfix +V8c1INainfix =V10V6Iainfix &lt;V10V2Aainfix &lt;=c0V10FIainfix =V5aprefix -c1INainfix =V5aprefix -c1INainfix =V6aprefix -c1Iainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V11V8INainfix =V11V6Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V5aprefix -c1ANaappear_twiceV3V12V8Iainfix &lt;V12V2Aainfix &lt;=c0V12FIainfix =V6aprefix -c1AiNainfix =agetV1V14V13Iainfix &lt;V14V8Aainfix &lt;=c0V14Fainfix =agetV1V15V13Aainfix &lt;V15V8Aainfix &lt;=c0V15Eainfix =agetV7V13aTrueIainfix &lt;V13V2Aainfix &lt;=c0V13FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V17V16Aaappear_twiceV3V17ainfix +V2c2EAaappear_twiceV3V16ainfix +V2c2EAainfix &lt;agetV1V18V2Aainfix &lt;=c0agetV1V18Iainfix &lt;V18V0Aainfix &lt;=c0V18FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -684,11 +684,11 @@
       name="WP_parameter two_equal_elements.33"
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
-      expl="33. precondition"
-      sum="1c4f68143d4d1cf00ac26178c459cf19"
+      expl="33. index in array bounds"
+      sum="560776018bfcabf1c50bef9ea68e5974"
       proved="true"
       expanded="true"
-      shape="preconditionainfix &lt;V9V2Aainfix &lt;=c0V9INainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V10V8INainfix =V10V6Iainfix &lt;V10V2Aainfix &lt;=c0V10FIainfix =V5aprefix -c1ANaappear_twiceV3V11V8Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V6aprefix -c1AiNainfix =agetV1V13V12Iainfix &lt;V13V8Aainfix &lt;=c0V13Fainfix =agetV1V14V12Aainfix &lt;V14V8Aainfix &lt;=c0V14Eainfix =agetV7V12aTrueIainfix &lt;V12V2Aainfix &lt;=c0V12FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V16V15Aaappear_twiceV3V16ainfix +V2c2EAaappear_twiceV3V15ainfix +V2c2EAainfix &lt;agetV1V17V2Aainfix &lt;=c0agetV1V17Iainfix &lt;V17V0Aainfix &lt;=c0V17FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
+      shape="index in array boundsainfix &lt;V9V2Aainfix &lt;=c0V9INainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V10V8INainfix =V10V6Iainfix &lt;V10V2Aainfix &lt;=c0V10FIainfix =V5aprefix -c1ANaappear_twiceV3V11V8Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V6aprefix -c1AiNainfix =agetV1V13V12Iainfix &lt;V13V8Aainfix &lt;=c0V13Fainfix =agetV1V14V12Aainfix &lt;V14V8Aainfix &lt;=c0V14Eainfix =agetV7V12aTrueIainfix &lt;V12V2Aainfix &lt;=c0V12FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V16V15Aaappear_twiceV3V16ainfix +V2c2EAaappear_twiceV3V15ainfix +V2c2EAainfix &lt;agetV1V17V2Aainfix &lt;=c0agetV1V17Iainfix &lt;V17V0Aainfix &lt;=c0V17FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
       <label
        name="expl:VC for two_equal_elements"/>
       <proof
@@ -705,7 +705,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="34. loop invariant preservation"
-      sum="319e0e7e0319e53374767108fdf70138"
+      sum="8c3a7521c7691ac8578342a0e07df4ad"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix =V10asetV7V9aTrueAainfix &lt;=c0V2FIainfix &lt;V9V2Aainfix &lt;=c0V9INainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V11V8INainfix =V11V6Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V5aprefix -c1ANaappear_twiceV3V12V8Iainfix &lt;V12V2Aainfix &lt;=c0V12FIainfix =V6aprefix -c1AiNainfix =agetV1V14V13Iainfix &lt;V14V8Aainfix &lt;=c0V14Fainfix =agetV1V15V13Aainfix &lt;V15V8Aainfix &lt;=c0V15Eainfix =agetV7V13aTrueIainfix &lt;V13V2Aainfix &lt;=c0V13FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V17V16Aaappear_twiceV3V17ainfix +V2c2EAaappear_twiceV3V16ainfix +V2c2EAainfix &lt;agetV1V18V2Aainfix &lt;=c0agetV1V18Iainfix &lt;V18V0Aainfix &lt;=c0V18FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -725,7 +725,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="35. loop invariant preservation"
-      sum="3a60f31b00e7e96a8dcdace0c67ede03"
+      sum="5cf542f99b0b3eff639dab43aed8b074"
       proved="true"
       expanded="true"
       shape="loop invariant preservationaappear_twiceV3V6ainfix +V8c1INainfix =V6aprefix -c1Iainfix =V10asetV7V9aTrueAainfix &lt;=c0V2FIainfix &lt;V9V2Aainfix &lt;=c0V9INainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V11V8INainfix =V11V6Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V5aprefix -c1ANaappear_twiceV3V12V8Iainfix &lt;V12V2Aainfix &lt;=c0V12FIainfix =V6aprefix -c1AiNainfix =agetV1V14V13Iainfix &lt;V14V8Aainfix &lt;=c0V14Fainfix =agetV1V15V13Aainfix &lt;V15V8Aainfix &lt;=c0V15Eainfix =agetV7V13aTrueIainfix &lt;V13V2Aainfix &lt;=c0V13FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V17V16Aaappear_twiceV3V17ainfix +V2c2EAaappear_twiceV3V16ainfix +V2c2EAainfix &lt;agetV1V18V2Aainfix &lt;=c0agetV1V18Iainfix &lt;V18V0Aainfix &lt;=c0V18FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -745,7 +745,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="36. loop invariant preservation"
-      sum="07283a24b038354677d477fc2c22037f"
+      sum="811a7731e97041a0295eb1af5aad24e7"
       proved="true"
       expanded="true"
       shape="loop invariant preservationNainfix =V5V6Aaappear_twiceV3V5ainfix +V8c1INainfix =V5aprefix -c1Iainfix =V10asetV7V9aTrueAainfix &lt;=c0V2FIainfix &lt;V9V2Aainfix &lt;=c0V9INainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V11V8INainfix =V11V6Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V5aprefix -c1ANaappear_twiceV3V12V8Iainfix &lt;V12V2Aainfix &lt;=c0V12FIainfix =V6aprefix -c1AiNainfix =agetV1V14V13Iainfix &lt;V14V8Aainfix &lt;=c0V14Fainfix =agetV1V15V13Aainfix &lt;V15V8Aainfix &lt;=c0V15Eainfix =agetV7V13aTrueIainfix &lt;V13V2Aainfix &lt;=c0V13FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V17V16Aaappear_twiceV3V17ainfix +V2c2EAaappear_twiceV3V16ainfix +V2c2EAainfix &lt;agetV1V18V2Aainfix &lt;=c0agetV1V18Iainfix &lt;V18V0Aainfix &lt;=c0V18FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -765,7 +765,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="37. loop invariant preservation"
-      sum="4154a523aecbafc4882fa1b58fbb3035"
+      sum="95587306333b8a0716f69ad772269df8"
       proved="true"
       expanded="true"
       shape="loop invariant preservationiNainfix =agetV1V12V11Iainfix &lt;V12ainfix +V8c1Aainfix &lt;=c0V12Fainfix =agetV1V13V11Aainfix &lt;V13ainfix +V8c1Aainfix &lt;=c0V13Eainfix =agetV10V11aTrueIainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V10asetV7V9aTrueAainfix &lt;=c0V2FIainfix &lt;V9V2Aainfix &lt;=c0V9INainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V14V8INainfix =V14V6Iainfix &lt;V14V2Aainfix &lt;=c0V14FIainfix =V5aprefix -c1ANaappear_twiceV3V15V8Iainfix &lt;V15V2Aainfix &lt;=c0V15FIainfix =V6aprefix -c1AiNainfix =agetV1V17V16Iainfix &lt;V17V8Aainfix &lt;=c0V17Fainfix =agetV1V18V16Aainfix &lt;V18V8Aainfix &lt;=c0V18Eainfix =agetV7V16aTrueIainfix &lt;V16V2Aainfix &lt;=c0V16FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V20V19Aaappear_twiceV3V20ainfix +V2c2EAaappear_twiceV3V19ainfix +V2c2EAainfix &lt;agetV1V21V2Aainfix &lt;=c0agetV1V21Iainfix &lt;V21V0Aainfix &lt;=c0V21FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -785,7 +785,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="38. loop invariant preservation"
-      sum="51a908dde1d0b21d645198c734e3525e"
+      sum="f99e5ea276c08a11f3914b019d06423a"
       proved="true"
       expanded="true"
       shape="loop invariant preservationNaappear_twiceV3V11ainfix +V8c1Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V6aprefix -c1Iainfix =V10asetV7V9aTrueAainfix &lt;=c0V2FIainfix &lt;V9V2Aainfix &lt;=c0V9INainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V12V8INainfix =V12V6Iainfix &lt;V12V2Aainfix &lt;=c0V12FIainfix =V5aprefix -c1ANaappear_twiceV3V13V8Iainfix &lt;V13V2Aainfix &lt;=c0V13FIainfix =V6aprefix -c1AiNainfix =agetV1V15V14Iainfix &lt;V15V8Aainfix &lt;=c0V15Fainfix =agetV1V16V14Aainfix &lt;V16V8Aainfix &lt;=c0V16Eainfix =agetV7V14aTrueIainfix &lt;V14V2Aainfix &lt;=c0V14FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V18V17Aaappear_twiceV3V18ainfix +V2c2EAaappear_twiceV3V17ainfix +V2c2EAainfix &lt;agetV1V19V2Aainfix &lt;=c0agetV1V19Iainfix &lt;V19V0Aainfix &lt;=c0V19FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -806,7 +806,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="39. loop invariant preservation"
-      sum="94b765d91d0fa7aa3e8e45c5de763029"
+      sum="cd959195fa11643564207f7f042516a3"
       proved="true"
       expanded="true"
       shape="loop invariant preservationNaappear_twiceV3V11ainfix +V8c1INainfix =V11V6Iainfix &lt;V11V2Aainfix &lt;=c0V11FIainfix =V5aprefix -c1Iainfix =V10asetV7V9aTrueAainfix &lt;=c0V2FIainfix &lt;V9V2Aainfix &lt;=c0V9INainfix =agetV7V9aTrueIainfix &lt;V9V2Aainfix &lt;=c0V9Aainfix &lt;=c0V2LagetV1V8Iainfix &lt;V8V0Aainfix &lt;=c0V8INaappear_twiceV3V12V8INainfix =V12V6Iainfix &lt;V12V2Aainfix &lt;=c0V12FIainfix =V5aprefix -c1ANaappear_twiceV3V13V8Iainfix &lt;V13V2Aainfix &lt;=c0V13FIainfix =V6aprefix -c1AiNainfix =agetV1V15V14Iainfix &lt;V15V8Aainfix &lt;=c0V15Fainfix =agetV1V16V14Aainfix &lt;V16V8Aainfix &lt;=c0V16Eainfix =agetV7V14aTrueIainfix &lt;V14V2Aainfix &lt;=c0V14FANainfix =V5V6Aaappear_twiceV3V5V8INainfix =V5aprefix -c1Aaappear_twiceV3V6V8INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1Iainfix &lt;=V8V4Aainfix &lt;=c0V8FFIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V18V17Aaappear_twiceV3V18ainfix +V2c2EAaappear_twiceV3V17ainfix +V2c2EAainfix &lt;agetV1V19V2Aainfix &lt;=c0agetV1V19Iainfix &lt;V19V0Aainfix &lt;=c0V19FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -827,7 +827,7 @@
       locfile="../foveoos11_challenge3.mlw"
       loclnum="17" loccnumb="6" loccnume="24"
       expl="40. postcondition"
-      sum="1654eb482280e08c58bb3b14eb10a77c"
+      sum="554d2cb248060b367f1d40209c864083"
       proved="true"
       expanded="true"
       shape="postconditionNainfix =V6V5Aaappear_twiceV3V5ainfix +V2c2Aaappear_twiceV3V6ainfix +V2c2INaappear_twiceV3V8ainfix +V4c1INainfix =V8V6Iainfix &lt;V8V2Aainfix &lt;=c0V8FIainfix =V5aprefix -c1ANaappear_twiceV3V9ainfix +V4c1Iainfix &lt;V9V2Aainfix &lt;=c0V9FIainfix =V6aprefix -c1AiNainfix =agetV1V11V10Iainfix &lt;V11ainfix +V4c1Aainfix &lt;=c0V11Fainfix =agetV1V12V10Aainfix &lt;V12ainfix +V4c1Aainfix &lt;=c0V12Eainfix =agetV7V10aTrueIainfix &lt;V10V2Aainfix &lt;=c0V10FANainfix =V5V6Aaappear_twiceV3V5ainfix +V4c1INainfix =V5aprefix -c1Aaappear_twiceV3V6ainfix +V4c1INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1FIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V14V13Aaappear_twiceV3V14ainfix +V2c2EAaappear_twiceV3V13ainfix +V2c2EAainfix &lt;agetV1V15V2Aainfix &lt;=c0agetV1V15Iainfix &lt;V15V0Aainfix &lt;=c0V15FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -842,7 +842,7 @@
         locfile="../foveoos11_challenge3.mlw"
         loclnum="17" loccnumb="6" loccnume="24"
         expl="1."
-        sum="366d49bdf29a76ba7422fbb790766c3d"
+        sum="6b75860a5189f48522d64905b07c3b89"
         proved="true"
         expanded="true"
         shape="aappear_twiceV3V6ainfix +V2c2INaappear_twiceV3V8ainfix +V4c1INainfix =V8V6Iainfix &lt;V8V2Aainfix &lt;=c0V8FIainfix =V5aprefix -c1ANaappear_twiceV3V9ainfix +V4c1Iainfix &lt;V9V2Aainfix &lt;=c0V9FIainfix =V6aprefix -c1AiNainfix =agetV1V11V10Iainfix &lt;V11ainfix +V4c1Aainfix &lt;=c0V11Fainfix =agetV1V12V10Aainfix &lt;V12ainfix +V4c1Aainfix &lt;=c0V12Eainfix =agetV7V10aTrueIainfix &lt;V10V2Aainfix &lt;=c0V10FANainfix =V5V6Aaappear_twiceV3V5ainfix +V4c1INainfix =V5aprefix -c1Aaappear_twiceV3V6ainfix +V4c1INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1FIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V14V13Aaappear_twiceV3V14ainfix +V2c2EAaappear_twiceV3V13ainfix +V2c2EAainfix &lt;agetV1V15V2Aainfix &lt;=c0agetV1V15Iainfix &lt;V15V0Aainfix &lt;=c0V15FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -862,7 +862,7 @@
         locfile="../foveoos11_challenge3.mlw"
         loclnum="17" loccnumb="6" loccnume="24"
         expl="2."
-        sum="aa8c5b7ca2063ffe731b830e8a0a80d7"
+        sum="eeb218ec330186bd0abec6f519b9dc87"
         proved="true"
         expanded="true"
         shape="aappear_twiceV3V5ainfix +V2c2INaappear_twiceV3V8ainfix +V4c1INainfix =V8V6Iainfix &lt;V8V2Aainfix &lt;=c0V8FIainfix =V5aprefix -c1ANaappear_twiceV3V9ainfix +V4c1Iainfix &lt;V9V2Aainfix &lt;=c0V9FIainfix =V6aprefix -c1AiNainfix =agetV1V11V10Iainfix &lt;V11ainfix +V4c1Aainfix &lt;=c0V11Fainfix =agetV1V12V10Aainfix &lt;V12ainfix +V4c1Aainfix &lt;=c0V12Eainfix =agetV7V10aTrueIainfix &lt;V10V2Aainfix &lt;=c0V10FANainfix =V5V6Aaappear_twiceV3V5ainfix +V4c1INainfix =V5aprefix -c1Aaappear_twiceV3V6ainfix +V4c1INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1FIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V14V13Aaappear_twiceV3V14ainfix +V2c2EAaappear_twiceV3V13ainfix +V2c2EAainfix &lt;agetV1V15V2Aainfix &lt;=c0agetV1V15Iainfix &lt;V15V0Aainfix &lt;=c0V15FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
@@ -882,7 +882,7 @@
         locfile="../foveoos11_challenge3.mlw"
         loclnum="17" loccnumb="6" loccnume="24"
         expl="3."
-        sum="e1bf272875bfcd6c0af43a42489887c6"
+        sum="97f8fe0136af1b9ecbaa7cd4cb6b6c80"
         proved="true"
         expanded="true"
         shape="Nainfix =V6V5INaappear_twiceV3V8ainfix +V4c1INainfix =V8V6Iainfix &lt;V8V2Aainfix &lt;=c0V8FIainfix =V5aprefix -c1ANaappear_twiceV3V9ainfix +V4c1Iainfix &lt;V9V2Aainfix &lt;=c0V9FIainfix =V6aprefix -c1AiNainfix =agetV1V11V10Iainfix &lt;V11ainfix +V4c1Aainfix &lt;=c0V11Fainfix =agetV1V12V10Aainfix &lt;V12ainfix +V4c1Aainfix &lt;=c0V12Eainfix =agetV7V10aTrueIainfix &lt;V10V2Aainfix &lt;=c0V10FANainfix =V5V6Aaappear_twiceV3V5ainfix +V4c1INainfix =V5aprefix -c1Aaappear_twiceV3V6ainfix +V4c1INainfix =V6aprefix -c1Aainfix =V5aprefix -c1Iainfix =V6aprefix -c1FIainfix &lt;=c0V4Lainfix +V2c1Iainfix &lt;=c0V2Iainfix &gt;=V2c0INainfix =V14V13Aaappear_twiceV3V14ainfix +V2c2EAaappear_twiceV3V13ainfix +V2c2EAainfix &lt;agetV1V15V2Aainfix &lt;=c0agetV1V15Iainfix &lt;V15V0Aainfix &lt;=c0V15FAainfix &gt;=V2c2Aainfix =V0ainfix +V2c2Aainfix &lt;=c0V0Lamk arrayV0V1F">
diff --git a/examples/gcd_bezout/why3session.xml b/examples/gcd_bezout/why3session.xml
index 37372998b889f4150e59093e3732053fa45a24f7..61f89777134dbe44a5be49c179c557232383be2f 100644
--- a/examples/gcd_bezout/why3session.xml
+++ b/examples/gcd_bezout/why3session.xml
@@ -24,7 +24,7 @@
     locfile="../gcd_bezout.mlw"
     loclnum="11" loccnumb="6" loccnume="9"
     expl="VC for gcd"
-    sum="6c429deaa52e3e1376925aa3b82ac9c5"
+    sum="dd5b635cf20551bf3fdec8a51da907ac"
     proved="true"
     expanded="true"
     shape="iainfix =ainfix +ainfix *V8V0ainfix *V9V1V7EAainfix =V7agcdV0V1ainfix &lt;V12V6Aainfix &lt;=c0V6Aainfix =ainfix +ainfix *V15V0ainfix *V16V1V12Aainfix =ainfix +ainfix *V13V0ainfix *V14V1V11Aainfix =agcdV11V12agcdV0V1Aainfix &gt;=V12c0Aainfix &gt;=V11c0Iainfix =V16ainfix -V4ainfix *V2V10FIainfix =V15ainfix -V5ainfix *V3V10FIainfix =V14V2FIainfix =V13V3FIainfix =V12amodV7V6FIainfix =V11V6FLadivV7V6ainfix &gt;V6c0Iainfix =ainfix +ainfix *V3V0ainfix *V2V1V6Aainfix =ainfix +ainfix *V5V0ainfix *V4V1V7Aainfix =agcdV7V6agcdV0V1Aainfix &gt;=V6c0Aainfix &gt;=V7c0FAainfix =ainfix +ainfix *c0V0ainfix *c1V1V1Aainfix =ainfix +ainfix *c1V0ainfix *c0V1V0Aainfix &gt;=V1c0Aainfix &gt;=V0c0Iainfix &gt;=V1c0Aainfix &gt;=V0c0F">
@@ -39,7 +39,7 @@
       locfile="../gcd_bezout.mlw"
       loclnum="11" loccnumb="6" loccnume="9"
       expl="1. loop invariant init"
-      sum="17fcda060c57588efc749d3ef0dc3477"
+      sum="da3074d3e27e2c25c6a91f37f9746b27"
       proved="true"
       expanded="true"
       shape="loop invariant initainfix &gt;=V1c0Aainfix &gt;=V0c0Iainfix &gt;=V1c0Aainfix &gt;=V0c0F">
@@ -59,7 +59,7 @@
       locfile="../gcd_bezout.mlw"
       loclnum="11" loccnumb="6" loccnume="9"
       expl="2. loop invariant init"
-      sum="d2c7fea4d3048a9eb4c4104ea761c52d"
+      sum="f32092787c447469280857c4f2d6dc1f"
       proved="true"
       expanded="false"
       shape="loop invariant initainfix =ainfix +ainfix *c1V0ainfix *c0V1V0Iainfix &gt;=V1c0Aainfix &gt;=V0c0F">
@@ -79,7 +79,7 @@
       locfile="../gcd_bezout.mlw"
       loclnum="11" loccnumb="6" loccnume="9"
       expl="3. loop invariant init"
-      sum="ddee185fb15200ed9181a4d17d328fd4"
+      sum="f63c6b50140b468894665b6ca89646df"
       proved="true"
       expanded="true"
       shape="loop invariant initainfix =ainfix +ainfix *c0V0ainfix *c1V1V1Iainfix &gt;=V1c0Aainfix &gt;=V0c0F">
@@ -99,7 +99,7 @@
       locfile="../gcd_bezout.mlw"
       loclnum="11" loccnumb="6" loccnume="9"
       expl="4. loop invariant preservation"
-      sum="4016e4a5b271d492e44f87f6d59db5cf"
+      sum="6284f503442fe6173578adeda1b06979"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix &gt;=V10c0Aainfix &gt;=V9c0Iainfix =V14ainfix -V4ainfix *V2V8FIainfix =V13ainfix -V5ainfix *V3V8FIainfix =V12V2FIainfix =V11V3FIainfix =V10amodV7V6FIainfix =V9V6FLadivV7V6Iainfix &gt;V6c0Iainfix =ainfix +ainfix *V3V0ainfix *V2V1V6Aainfix =ainfix +ainfix *V5V0ainfix *V4V1V7Aainfix =agcdV7V6agcdV0V1Aainfix &gt;=V6c0Aainfix &gt;=V7c0FIainfix &gt;=V1c0Aainfix &gt;=V0c0F">
@@ -119,7 +119,7 @@
       locfile="../gcd_bezout.mlw"
       loclnum="11" loccnumb="6" loccnume="9"
       expl="5. loop invariant preservation"
-      sum="434557e3cd222d9e7ccaf76dcb6c7e58"
+      sum="bcd385e03766f1044540c6eb29813dbc"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix =agcdV9V10agcdV0V1Iainfix =V14ainfix -V4ainfix *V2V8FIainfix =V13ainfix -V5ainfix *V3V8FIainfix =V12V2FIainfix =V11V3FIainfix =V10amodV7V6FIainfix =V9V6FLadivV7V6Iainfix &gt;V6c0Iainfix =ainfix +ainfix *V3V0ainfix *V2V1V6Aainfix =ainfix +ainfix *V5V0ainfix *V4V1V7Aainfix =agcdV7V6agcdV0V1Aainfix &gt;=V6c0Aainfix &gt;=V7c0FIainfix &gt;=V1c0Aainfix &gt;=V0c0F">
@@ -139,7 +139,7 @@
       locfile="../gcd_bezout.mlw"
       loclnum="11" loccnumb="6" loccnume="9"
       expl="6. loop invariant preservation"
-      sum="0e4cae3bd19b375bb9ee6640c6107f38"
+      sum="78e3d2413c87e432e203e2bd73dc71cd"
       proved="true"
       expanded="false"
       shape="loop invariant preservationainfix =ainfix +ainfix *V11V0ainfix *V12V1V9Iainfix =V14ainfix -V4ainfix *V2V8FIainfix =V13ainfix -V5ainfix *V3V8FIainfix =V12V2FIainfix =V11V3FIainfix =V10amodV7V6FIainfix =V9V6FLadivV7V6Iainfix &gt;V6c0Iainfix =ainfix +ainfix *V3V0ainfix *V2V1V6Aainfix =ainfix +ainfix *V5V0ainfix *V4V1V7Aainfix =agcdV7V6agcdV0V1Aainfix &gt;=V6c0Aainfix &gt;=V7c0FIainfix &gt;=V1c0Aainfix &gt;=V0c0F">
@@ -159,7 +159,7 @@
       locfile="../gcd_bezout.mlw"
       loclnum="11" loccnumb="6" loccnume="9"
       expl="7. loop invariant preservation"
-      sum="0ad43354345b8630e2f783cc90f70b9b"
+      sum="37de487c97d971a060517a4b8b984d59"
       proved="true"
       expanded="true"
       shape="loop invariant preservationainfix =ainfix +ainfix *V13V0ainfix *V14V1V10Iainfix =V14ainfix -V4ainfix *V2V8FIainfix =V13ainfix -V5ainfix *V3V8FIainfix =V12V2FIainfix =V11V3FIainfix =V10amodV7V6FIainfix =V9V6FLadivV7V6Iainfix &gt;V6c0Iainfix =ainfix +ainfix *V3V0ainfix *V2V1V6Aainfix =ainfix +ainfix *V5V0ainfix *V4V1V7Aainfix =agcdV7V6agcdV0V1Aainfix &gt;=V6c0Aainfix &gt;=V7c0FIainfix &gt;=V1c0Aainfix &gt;=V0c0F">
@@ -179,7 +179,7 @@
       locfile="../gcd_bezout.mlw"
       loclnum="11" loccnumb="6" loccnume="9"
       expl="8. loop variant decrease"
-      sum="3d9e22b18c462064fb4587a6db93b9f0"
+      sum="aca87e80acff9a65daf3e3d00709ab37"
       proved="true"
       expanded="true"
       shape="loop variant decreaseainfix &lt;V10V6Aainfix &lt;=c0V6Iainfix =V14ainfix -V4ainfix *V2V8FIainfix =V13ainfix -V5ainfix *V3V8FIainfix =V12V2FIainfix =V11V3FIainfix =V10amodV7V6FIainfix =V9V6FLadivV7V6Iainfix &gt;V6c0Iainfix =ainfix +ainfix *V3V0ainfix *V2V1V6Aainfix =ainfix +ainfix *V5V0ainfix *V4V1V7Aainfix =agcdV7V6agcdV0V1Aainfix &gt;=V6c0Aainfix &gt;=V7c0FIainfix &gt;=V1c0Aainfix &gt;=V0c0F">
@@ -199,7 +199,7 @@
       locfile="../gcd_bezout.mlw"
       loclnum="11" loccnumb="6" loccnume="9"
       expl="9. postcondition"
-      sum="bdc0886aed092b6aad9ded797be5a95c"
+      sum="ff8e6e31e82ba511efaddb56552d8b06"
       proved="true"
       expanded="false"
       shape="postconditionainfix =V7agcdV0V1INainfix &gt;V6c0Iainfix =ainfix +ainfix *V3V0ainfix *V2V1V6Aainfix =ainfix +ainfix *V5V0ainfix *V4V1V7Aainfix =agcdV7V6agcdV0V1Aainfix &gt;=V6c0Aainfix &gt;=V7c0FIainfix &gt;=V1c0Aainfix &gt;=V0c0F">
@@ -219,7 +219,7 @@
       locfile="../gcd_bezout.mlw"
       loclnum="11" loccnumb="6" loccnume="9"
       expl="10. postcondition"
-      sum="5cdc9975900c875e9b2371995c4f80bd"
+      sum="6f24fd2990a18dd3ceb62d59e34fc7de"
       proved="true"
       expanded="false"
       shape="postconditionainfix =ainfix +ainfix *V8V0ainfix *V9V1V7EINainfix &gt;V6c0Iainfix =ainfix +ainfix *V3V0ainfix *V2V1V6Aainfix =ainfix +ainfix *V5V0ainfix *V4V1V7Aainfix =agcdV7V6agcdV0V1Aainfix &gt;=V6c0Aainfix &gt;=V7c0FIainfix &gt;=V1c0Aainfix &gt;=V0c0F">
diff --git a/examples/generate_all_trees/why3session.xml b/examples/generate_all_trees/why3session.xml
index d06e5b158550696a8c4d4470dd876080344fc69b..7931604346656025cacf380e18a11c91d75048fd 100644
--- a/examples/generate_all_trees/why3session.xml
+++ b/examples/generate_all_trees/why3session.xml
@@ -51,7 +51,7 @@
     name="size_nonneg"
     locfile="../generate_all_trees.mlw"
     loclnum="28" loccnumb="8" loccnume="19"
-    sum="82806d5ee586ed8ee638e11b07ccbaca"
+    sum="61e3ab895388cf197fc15e0a39fda761"
     proved="true"
     expanded="true"
     shape="ainfix &gt;=asizeV0c0F">
@@ -69,7 +69,7 @@
     name="size_left"
     locfile="../generate_all_trees.mlw"
     loclnum="30" loccnumb="8" loccnume="17"
-    sum="fe9810c8bf8d90c3d3471dea0f954117"
+    sum="f3079bda4558f4e015c4d94a77179960"
     proved="true"
     expanded="true"
     shape="ainfix &lt;asizeV1asizeV0Aainfix =V0aNodeV1V2EIainfix &gt;asizeV0c0F">
@@ -86,7 +86,7 @@
     name="all_trees_0"
     locfile="../generate_all_trees.mlw"
     loclnum="38" loccnumb="8" loccnume="19"
-    sum="abb3432e8fbaaaa32a986e111f52956d"
+    sum="760940913c78ddf736761466252de140"
     proved="true"
     expanded="true"
     shape="aall_treesc0aConsaEmptyaNil">
@@ -104,7 +104,7 @@
     name="tree_diff"
     locfile="../generate_all_trees.mlw"
     loclnum="40" loccnumb="8" loccnume="17"
-    sum="3dd0062026c1b8511f7719340b1361ef"
+    sum="e30c5b0a54538b9acd9a5e98b68eb95f"
     proved="true"
     expanded="true"
     shape="Nainfix =aNodeV0V2aNodeV1V3FINainfix =asizeV0asizeV1F">
@@ -122,7 +122,7 @@
     locfile="../generate_all_trees.mlw"
     loclnum="46" loccnumb="6" loccnume="13"
     expl="VC for combine"
-    sum="b252dcb709562539692eb9893d86968a"
+    sum="7a223f3128ae5770938ddd2f17c10036"
     proved="true"
     expanded="true"
     shape="ainfix =asizeV7V2Aainfix =asizeV6V0Aainfix =V5aNodeV6V7EqamemV5V4FAadistinctV4IamemV10V3AamemV9V1Aainfix =V8aNodeV9V10EqamemV8V4FAadistinctV4FAadistinctV1ACamemV15V3AamemV14V11Aainfix =V13aNodeV14V15EqamemV13V12FAadistinctV12LaNilaNilamemV23V3AamemV22V11Aainfix =V21aNodeV22V23EqamemV21V20FAadistinctV20Lainfix ++V19V18IamemV25V3Aainfix =V24aNodeV16V25EqamemV24V19FAadistinctV19FAadistinctV3IamemV28V3AamemV27V17Aainfix =V26aNodeV27V28EqamemV26V18FAadistinctV18FAadistinctV17ACfaNilainfix =V29V17aConswVV11ACamemV33V30Aainfix =V32aNodeV16V33EqamemV32V31FAadistinctV31LaNilaNilamemV39V30Aainfix =V38aNodeV16V39EqamemV38V37FAadistinctV37LaConsaNodeV16V34V36IamemV41V35Aainfix =V40aNodeV16V41EqamemV40V36FAadistinctV36FAadistinctV35ACfaNilainfix =V42V35aConswVV30aConsVVV30IadistinctV30FaConsVVV11IadistinctV11FIaall_treesV2V3Aainfix &lt;=c0V2Aaall_treesV0V1Aainfix &lt;=c0V0F">
@@ -137,7 +137,7 @@
       locfile="../generate_all_trees.mlw"
       loclnum="46" loccnumb="6" loccnume="13"
       expl="1. postcondition"
-      sum="5f7a72cccb6ce01b1db5c1610991a585"
+      sum="978baba4e7fa17e5437dca5e25bf0af0"
       proved="true"
       expanded="true"
       shape="postconditionCadistinctV5LaNilaNiltaConsVVV4IadistinctV4FIaall_treesV2V3Aainfix &lt;=c0V2Aaall_treesV0V1Aainfix &lt;=c0V0F">
@@ -157,7 +157,7 @@
       locfile="../generate_all_trees.mlw"
       loclnum="46" loccnumb="6" loccnume="13"
       expl="2. postcondition"
-      sum="f0336d0e5db58c491ad36cb226f169c1"
+      sum="367ee645d4339ad1b5d601d8c272db45"
       proved="true"
       expanded="true"
       shape="postconditionCamemV8V3AamemV7V4Aainfix =V6aNodeV7V8EqamemV6V5FLaNilaNiltaConsVVV4IadistinctV4FIaall_treesV2V3Aainfix &lt;=c0V2Aaall_treesV0V1Aainfix &lt;=c0V0F">
@@ -177,7 +177,7 @@
       locfile="../generate_all_trees.mlw"
       loclnum="46" loccnumb="6" loccnume="13"
       expl="3. postcondition"
-      sum="795c29d41c71bd80c586a7c840cc06ef"
+      sum="a285fd75119361118b2672d1ca7bd914"
       proved="true"
       expanded="true"
       shape="postconditionCtaNilCadistinctV8LaNilaNiltaConsVVV7IadistinctV7FaConsVVV4IadistinctV4FIaall_treesV2V3Aainfix &lt;=c0V2Aaall_treesV0V1Aainfix &lt;=c0V0F">
@@ -197,7 +197,7 @@
       locfile="../generate_all_trees.mlw"
       loclnum="46" loccnumb="6" loccnume="13"
       expl="4. postcondition"
-      sum="e367afa8129a221d696750eb56f801f1"
+      sum="f5b96b12293c747e33eb46b30dec0f58"
       proved="true"
       expanded="true"
       shape="postconditionCtaNilCamemV10V7Aainfix =V9aNodeV5V10EqamemV9V8FLaNilaNiltaConsVVV7IadistinctV7FaConsVVV4IadistinctV4FIaall_treesV2V3Aainfix &lt;=c0V2Aaall_treesV0V1Aainfix &lt;=c0V0F">
@@ -217,7 +217,7 @@
       locfile="../generate_all_trees.mlw"
       loclnum="46" loccnumb="6" loccnume="13"
       expl="5. variant decrease"
-      sum="03a41b7b2826cc9a6e59b4f06743952e"
+      sum="8d0e6a8271d08927f00c5458fb1b5cec"
       proved="true"
       expanded="true"
       shape="variant decreaseCtaNilCtaNilCfaNilainfix =V10V9aConswVV7aConsVVV7IadistinctV7FaConsVVV4IadistinctV4FIaall_treesV2V3Aainfix &lt;=c0V2Aaall_treesV0V1Aainfix &lt;=c0V0F">
@@ -237,7 +237,7 @@
       locfile="../generate_all_trees.mlw"
       loclnum="46" loccnumb="6" loccnume="13"
       expl="6. precondition"
-      sum="79b542d5987add8295dd1d8fb0330654"
+      sum="b6ed4e635e76728bd10f7e6b3db0b2d7"
       proved="true"
       expanded="true"
       shape="preconditionCtaNilCtaNiladistinctV9aConsVVV7IadistinctV7FaConsVVV4IadistinctV4FIaall_treesV2V3Aainfix &lt;=c0V2Aaall_treesV0V1Aainfix &lt;=c0V0F">
@@ -257,7 +257,7 @@
       locfile="../generate_all_trees.mlw"
       loclnum="46" loccnumb="6" loccnume="13"
       expl="7. postcondition"
-      sum="5f9ada6048c6d4f7ba2a41c9255b60bc"
+      sum="d558c93ced56726c4ed9590ff27ef7f9"
       proved="true"
       expanded="true"
       shape="postconditionCtaNilCtaNiladistinctV11LaConsaNodeV5V8V10IamemV13V9Aainfix =V12aNodeV5V13EqamemV12V10FAadistinctV10FIadistinctV9aConsVVV7IadistinctV7FaConsVVV4IadistinctV4FIaall_treesV2V3Aainfix &lt;=c0V2Aaall_treesV0V1Aainfix &lt;=c0V0F">
@@ -285,7 +285,7 @@
       locfile="../generate_all_trees.mlw"
       loclnum="46" loccnumb="6" loccnume="13"
       expl="8. postcondition"
-      sum="2875749848df8a10cba69a7eba385cfd"
+      sum="1c2b50161415af6cea82f1acc732ce66"
       proved="true"
       expanded="true"
       shape="postconditionCtaNilCtaNilamemV13V7Aainfix =V12aNodeV5V13EqamemV12V11FLaConsaNodeV5V8V10IamemV15V9Aainfix =V14aNodeV5V15EqamemV14V10FAadistinctV10FIadistinctV9aConsVVV7IadistinctV7FaConsVVV4IadistinctV4FIaall_treesV2V3Aainfix &lt;=c0V2Aaall_treesV0V1Aainfix &lt;=c0V0F">
@@ -300,7 +300,7 @@
         locfile="../generate_all_trees.mlw"
         loclnum="46" loccnumb="6" loccnume="13"
         expl="1. postcondition"
-        sum="5ef58f139df5bd7ecc3968c4d166ca9b"
+        sum="880128bbb24dfe53122673b1b1c3b92a"
         proved="true"
         expanded="true"
         shape="postconditionCtaNilCtaNilamemV13V7Aainfix =V12aNodeV5V13EIamemV12V11FLaConsaNodeV5V8V10IamemV15V9Aainfix =V14aNodeV5V15EqamemV14V10FAadistinctV10FIadistinctV9aConsVVV7IadistinctV7FaConsVVV4IadistinctV4FIaall_treesV2V3Aainfix &lt;=c0V2Aaall_treesV0V1Aainfix &lt;=c0V0F">
@@ -337,7 +337,7 @@
         locfile="../generate_all_trees.mlw"
         loclnum="46" loccnumb="6" loccnume="13"
         expl="2. postcondition"
-        sum="25f4f59ece81321875a9407e9c840ce5"
+        sum="b9cf7b522a45b38abf46bde64dfcd416"
         proved="true"
         expanded="true"
         shape="postconditionCtaNilCtaNilamemV12V11IamemV13V7Aainfix =V12aNodeV5V13EFLaConsaNodeV5V8V10IamemV15V9Aainfix =V14aNodeV5V15EqamemV14V10FAadistinctV10FIadistinctV9aConsVVV7IadistinctV7FaConsVVV4IadistinctV4FIaall_treesV2V3Aainfix &lt;=c0V2Aaall_treesV0V1Aainfix &lt;=c0V0F">
@@ -359,7 +359,7 @@
       locfile="../generate_all_trees.mlw"
       loclnum="46" loccnumb="6" loccnume="13"
       expl="9. variant decrease"
-      sum="86213b00b9a5bd91636e33099f675628"
+      sum="544b4451873d61b001435197dc976eb5"
       proved="true"
       expanded="true"
       shape="variant decreaseCtaNilCfaNilainfix =V7V6aConswVV4aConsVVV4IadistinctV4FIaall_treesV2V3Aainfix &lt;=c0V2Aaall_treesV0V1Aainfix &lt;=c0V0F">
@@ -379,7 +379,7 @@
       locfile="../generate_all_trees.mlw"
       loclnum="46" loccnumb="6" loccnume="13"
       expl="10. precondition"
-      sum="fe6b31f0b2e542341e656ee0893056ee"
+      sum="558289f9403675d3428df7252f940f2c"
       proved="true"
       expanded="true"
       shape="preconditionCtaNiladistinctV6aConsVVV4IadistinctV4FIaall_treesV2V3Aainfix &lt;=c0V2Aaall_treesV0V1Aainfix &lt;=c0V0F">
@@ -399,7 +399,7 @@
       locfile="../generate_all_trees.mlw"
       loclnum="46" loccnumb="6" loccnume="13"
       expl="11. precondition"
-      sum="e3a1bac802a510f0e5ec392d6d980177"
+      sum="04d72a17ae6a88c37c385b9944d438f2"
       proved="true"
       expanded="true"
       shape="preconditionCtaNiladistinctV3IamemV10V3AamemV9V6Aainfix =V8aNodeV9V10EqamemV8V7FAadistinctV7FIadistinctV6aConsVVV4IadistinctV4FIaall_treesV2V3Aainfix &lt;=c0V2Aaall_treesV0V1Aainfix &lt;=c0V0F">
@@ -419,7 +419,7 @@
       locfile="../generate_all_trees.mlw"
       loclnum="46" loccnumb="6" loccnume="13"
       expl="12. postcondition"
-      sum="36a254193f3f0e8566c53612d48fd01a"
+      sum="de4c431e0fb76b6142bfd06244f9af55"
       proved="true"
       expanded="true"
       shape="postconditionCtaNiladistinctV9Lainfix ++V8V7IamemV11V3Aainfix =V10aNodeV5V11EqamemV10V8FAadistinctV8FIadistinctV3IamemV14V3AamemV13V6Aainfix =V12aNodeV13V14EqamemV12V7FAadistinctV7FIadistinctV6aConsVVV4IadistinctV4FIaall_treesV2V3Aainfix &lt;=c0V2Aaall_treesV0V1Aainfix &lt;=c0V0F">
@@ -439,7 +439,7 @@
       locfile="../generate_all_trees.mlw"
       loclnum="46" loccnumb="6" loccnume="13"
       expl="13. postcondition"
-      sum="435c2ede08d1b2beac19d342f19d37d1"
+      sum="cf750f5945b419a7b0e948c2efb2698c"
       proved="true"
       expanded="true"
       shape="postconditionCtaNilamemV12V3AamemV11V4Aainfix =V10aNodeV11V12EqamemV10V9FLainfix ++V8V7IamemV14V3Aainfix =V13aNodeV5V14EqamemV13V8FAadistinctV8FIadistinctV3IamemV17V3AamemV16V6Aainfix =V15aNodeV16V17EqamemV15V7FAadistinctV7FIadistinctV6aConsVVV4IadistinctV4FIaall_treesV2V3Aainfix &lt;=c0V2Aaall_treesV0V1Aainfix &lt;=c0V0F">
@@ -454,7 +454,7 @@
         locfile="../generate_all_trees.mlw"
         loclnum="46" loccnumb="6" loccnume="13"
         expl="1. postcondition"
-        sum="30258a46310f160084c2957f63b15f43"
+        sum="f4940ba280ccec99a62c00628f423110"
         proved="true"
         expanded="true"
         shape="postconditionCtaNilamemV12V3AamemV11V4Aainfix =V10aNodeV11V12EIamemV10V9FLainfix ++V8V7IamemV14V3Aainfix =V13aNodeV5V14EqamemV13V8FAadistinctV8FIadistinctV3IamemV17V3AamemV16V6Aainfix =V15aNodeV16V17EqamemV15V7FAadistinctV7FIadistinctV6aConsVVV4IadistinctV4FIaall_treesV2V3Aainfix &lt;=c0V2Aaall_treesV0V1Aainfix &lt;=c0V0F">
@@ -474,7 +474,7 @@
         locfile="../generate_all_trees.mlw"
         loclnum="46"