more on bitvectors example

examples/bitvectors/double_of_int/why3session.xml

 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE why3session SYSTEM "/home/marche/why3/share/why3session.dtd">
+<!DOCTYPE why3session SYSTEM "/usr/local/share/why3/why3session.dtd">
 <why3session
- name="bitvectors/double_of_int/why3session.xml">
+ name="double_of_int/why3session.xml">
  <prover
   id="0"
   name="Alt-Ergo"
@@ -33,16 +33,16 @@
  <file
   name="../double_of_int.why"
   verified="false"
-  expanded="false">
+  expanded="true">
   <theory
    name="DoubleOfInt"
-   locfile="bitvectors/double_of_int/../double_of_int.why"
+   locfile="double_of_int/../double_of_int.why"
    loclnum="3" loccnumb="7" loccnume="18"
    verified="false"
    expanded="true">
    <goal
     name="jp0_30"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="25" loccnumb="8" loccnume="14"
     sum="dd1e1ceb3a9788e30e15fe9c25a9382a"
     proved="true"
@@ -59,7 +59,7 @@
    </goal>
    <goal
     name="nth_const1"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="41" loccnumb="8" loccnume="18"
     sum="261d6c248d650ec55f76dd63e84bc0e3"
     proved="true"
@@ -76,7 +76,7 @@
    </goal>
    <goal
     name="nth_const2"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="42" loccnumb="8" loccnume="18"
     sum="daf929e1d75bad068e4657175e1314a0"
     proved="true"
@@ -93,7 +93,7 @@
    </goal>
    <goal
     name="nth_const3"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="43" loccnumb="8" loccnume="18"
     sum="737f1a2db4422815ed1bc511f8080f23"
     proved="true"
@@ -110,7 +110,7 @@
    </goal>
    <goal
     name="nth_const4"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="44" loccnumb="8" loccnume="18"
     sum="182396c90f8ea54cff0a7541d27d6cec"
     proved="true"
@@ -127,7 +127,7 @@
    </goal>
    <goal
     name="nth_const5"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="45" loccnumb="8" loccnume="18"
     sum="1e5b09a5be939521831570ad2a468783"
     proved="true"
@@ -144,7 +144,7 @@
    </goal>
    <goal
     name="nth_const6"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="46" loccnumb="8" loccnume="18"
     sum="22d800cdc6cd6ab8b99dd99bd0b50323"
     proved="true"
@@ -161,7 +161,7 @@
    </goal>
    <goal
     name="nth_const7"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="47" loccnumb="8" loccnume="18"
     sum="f996be957be7f520983d69ddec7a44ef"
     proved="true"
@@ -178,7 +178,7 @@
    </goal>
    <goal
     name="nth_const8"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="48" loccnumb="8" loccnume="18"
     sum="4c23639c5ec039a10e6e325b1301e497"
     proved="true"
@@ -195,7 +195,7 @@
    </goal>
    <goal
     name="nth_const9"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="49" loccnumb="8" loccnume="18"
     sum="f76d9a803bc45a893cca15ce1d3335e8"
     proved="true"
@@ -212,7 +212,7 @@
    </goal>
    <goal
     name="sign_const"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="51" loccnumb="8" loccnume="18"
     sum="e7060da582f6a712f7fd94be17f80dd0"
     proved="true"
@@ -269,7 +269,7 @@
    </goal>
    <goal
     name="exp_const"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="53" loccnumb="8" loccnume="17"
     sum="5c5372a8718de21456f67bd1ca4d0307"
     proved="true"
@@ -287,7 +287,7 @@
    </goal>
    <goal
     name="to_nat_mantissa_1"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="55" loccnumb="8" loccnume="25"
     sum="1fa1973374d4d12946d36e021270b22f"
     proved="true"
@@ -320,7 +320,7 @@
    </goal>
    <goal
     name="mantissa_const_nth2"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="57" loccnumb="8" loccnume="27"
     sum="7433d00332d59717c1ffdf7ec45114f3"
     proved="true"
@@ -369,7 +369,7 @@
    </goal>
    <goal
     name="mantissa_const_to_nat51"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="60" loccnumb="8" loccnume="31"
     sum="50e2e6714169744021a05e4814b9dc09"
     proved="true"
@@ -402,7 +402,7 @@
    </goal>
    <goal
     name="mantissa_const"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="63" loccnumb="8" loccnume="22"
     sum="2ff85bcb325502fbe7940125d2f49870"
     proved="true"
@@ -435,7 +435,7 @@
    </goal>
    <goal
     name="real1075m1023"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="65" loccnumb="8" loccnume="21"
     sum="a8ea52f2a5b6aeabdde75cd427b9b403"
     proved="true"
@@ -484,7 +484,7 @@
    </goal>
    <goal
     name="real1075m1023_2"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="67" loccnumb="8" loccnume="23"
     sum="ef4f676fc3549cdde4e75e5d1a3bca21"
     proved="true"
@@ -541,48 +541,24 @@
    </goal>
    <goal
     name="real52_a_m52"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="69" loccnumb="8" loccnume="20"
     sum="091e7b7b8d42964e6fc2897ac38606c8"
-    proved="false"
-    expanded="true"
+    proved="true"
+    expanded="false"
     shape="ainfix =ainfix *.ainfix *.apow2ainfix -c1075c1023apow2c31apow2aprefix -c52apow2c31">
-    <proof
-     prover="5"
-     timelimit="5"
-     memlimit="1000"
-     obsolete="false"
-     archived="false">
-     <result status="timeout" time="5.12"/>
-    </proof>
     <proof
      prover="0"
-     timelimit="5"
-     memlimit="1000"
-     obsolete="false"
-     archived="false">
-     <result status="timeout" time="5.02"/>
-    </proof>
-    <proof
-     prover="4"
-     timelimit="5"
-     memlimit="1000"
-     obsolete="false"
-     archived="false">
-     <result status="unknown" time="0.00"/>
-    </proof>
-    <proof
-     prover="6"
-     timelimit="5"
+     timelimit="30"
      memlimit="1000"
      obsolete="false"
      archived="false">
-     <result status="timeout" time="5.01"/>
+     <result status="valid" time="11.12"/>
     </proof>
    </goal>
    <goal
     name="const_value0"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="71" loccnumb="8" loccnume="20"
     sum="053e10e406e6f3b38b72aece1d2ea1cc"
     proved="true"
@@ -615,7 +591,7 @@
    </goal>
    <goal
     name="const_value"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="74" loccnumb="8" loccnume="19"
     sum="15c0e266eaa7e83629a4b99a8c7fbbbc"
     proved="true"
@@ -656,7 +632,7 @@
    </goal>
    <goal
     name="nth_0_30"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="100" loccnumb="8" loccnume="16"
     sum="0f62d85765410f7e4511d07bde414f6b"
     proved="true"
@@ -689,7 +665,7 @@
    </goal>
    <goal
     name="nth_jpxor_0_30"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="102" loccnumb="8" loccnume="22"
     sum="122538c45d56e139bb3836e5a0df1b67"
     proved="true"
@@ -722,7 +698,7 @@
    </goal>
    <goal
     name="nth_var31"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="104" loccnumb="8" loccnume="17"
     sum="615ab90161692c1aeedf9d5b18404b7b"
     proved="true"
@@ -739,7 +715,7 @@
    </goal>
    <goal
     name="to_nat_sub_0_30"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="107" loccnumb="8" loccnume="23"
     sum="dfb01a9181d5c0966a7d6ec96d5ac09b"
     proved="true"
@@ -780,7 +756,7 @@
    </goal>
    <goal
     name="jpxorx_pos"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="114" loccnumb="8" loccnume="18"
     sum="44892484235e0bcc9ae0ae2692013aa4"
     proved="true"
@@ -829,7 +805,7 @@
    </goal>
    <goal
     name="from_int2c_to_nat_sub_gen"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="121" loccnumb="8" loccnume="33"
     sum="5ebb2305fcfec2d2956b80a9e1b8fb25"
     proved="false"
@@ -859,10 +835,19 @@
      archived="false">
      <result status="timeout" time="5.02"/>
     </proof>
+    <proof
+     prover="3"
+     timelimit="30"
+     memlimit="1000"
+     edited="double_of_int_DoubleOfInt_from_int2c_to_nat_sub_gen_1.v"
+     obsolete="false"
+     archived="false">
+     <result status="unknown" time="1.82"/>
+    </proof>
    </goal>
    <goal
     name="from_int2c_to_nat_sub"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="126" loccnumb="8" loccnume="29"
     sum="ad558127c1887d36861533f052fa7881"
     proved="false"
@@ -870,32 +855,48 @@
     shape="ainfix =ato_nat_subafrom_int2cV0c30c0V0Iainfix &gt;=V0c0Aais_int32V0F">
     <proof
      prover="5"
-     timelimit="5"
+     timelimit="30"
      memlimit="1000"
      obsolete="false"
      archived="false">
-     <result status="timeout" time="5.12"/>
+     <result status="highfailure" time="13.35"/>
+    </proof>
+    <proof
+     prover="1"
+     timelimit="30"
+     memlimit="1000"
+     obsolete="false"
+     archived="false">
+     <result status="highfailure" time="0.19"/>
     </proof>
     <proof
      prover="0"
-     timelimit="5"
+     timelimit="30"
      memlimit="1000"
      obsolete="false"
      archived="false">
-     <result status="timeout" time="5.02"/>
+     <result status="timeout" time="30.10"/>
+    </proof>
+    <proof
+     prover="2"
+     timelimit="30"
+     memlimit="1000"
+     obsolete="false"
+     archived="false">
+     <result status="highfailure" time="0.42"/>
     </proof>
     <proof
      prover="6"
-     timelimit="5"
+     timelimit="30"
      memlimit="1000"
      obsolete="false"
      archived="false">
-     <result status="timeout" time="5.02"/>
+     <result status="highfailure" time="17.06"/>
     </proof>
    </goal>
    <goal
     name="lemma1_pos"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="129" loccnumb="8" loccnume="18"
     sum="d139a96e73e962725d19413c55cb8b14"
     proved="false"
@@ -928,7 +929,7 @@
    </goal>
    <goal
     name="to_nat_sub_0_30_neg"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="133" loccnumb="8" loccnume="27"
     sum="99070120f3f44a6f210fea6e47536165"
     proved="true"
@@ -977,7 +978,7 @@
    </goal>
    <goal
     name="to_nat_sub_0_30_neg1"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="136" loccnumb="8" loccnume="28"
     sum="7700539e32b8c609dda46df0274b2fa4"
     proved="false"
@@ -1010,40 +1011,24 @@
    </goal>
    <goal
     name="lemma1_neg"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="139" loccnumb="8" loccnume="18"
     sum="f9b7369b8893d642cfe764d5817e2a95"
-    proved="false"
-    expanded="true"
+    proved="true"
+    expanded="false"
     shape="ainfix =ato_nat_subajpxorV0c31c0ainfix +apow2c31V0Iainfix &lt;V0c0Aais_int32V0F">
-    <proof
-     prover="5"
-     timelimit="5"
-     memlimit="1000"
-     obsolete="false"
-     archived="false">
-     <result status="timeout" time="5.12"/>
-    </proof>
-    <proof
-     prover="0"
-     timelimit="5"
-     memlimit="1000"
-     obsolete="false"
-     archived="false">
-     <result status="timeout" time="5.02"/>
-    </proof>
     <proof
      prover="6"
-     timelimit="5"
+     timelimit="30"
      memlimit="1000"
      obsolete="false"
      archived="false">
-     <result status="timeout" time="5.02"/>
+     <result status="valid" time="17.02"/>
     </proof>
    </goal>
    <goal
     name="lemma1"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"
     loclnum="143" loccnumb="8" loccnume="14"
     sum="e5436643ae8166e1886bbfc73bcef98e"
     proved="true"
@@ -1092,7 +1077,7 @@
    </goal>
    <goal
     name="nth_var_0_31"
-    locfile="bitvectors/double_of_int/../double_of_int.why"
+    locfile="double_of_int/../double_of_int.why"