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Commit 6a180e51 authored by Jean-Christophe Filliâtre's avatar Jean-Christophe Filliâtre
Browse files

proof of algo64

parent 29e42dd4
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Showing with 264 additions and 11 deletions
.gitignore
View file @ 6a180e51
......@@ -177,7 +177,6 @@ pvsbin/
/examples/programs/vacid_0_red_black_trees_harness/
/examples/programs/next_digit_sum/
/examples/programs/algo63/
/examples/programs/algo64/
/examples/programs/algo65/
/examples/programs/binary_search_c/
/examples/programs/dijkstra/
......
examples/programs/algo64.mlw
View file @ 6a180e51
......@@ -18,12 +18,7 @@ module Algo64
use import module ref.Ref
use import module array.Array
use import module array.ArrayPermut
predicate sorted_sub (a: array int) (l u: int)
(*
clone import module array.ArraySorted with
type elt = int, predicate le = (<=)
*)
use import module array.ArraySorted
(* Algorithm 63 *)
......@@ -31,7 +26,7 @@ module Algo64
a:array int -> m:int -> n:int -> i:ref int -> j:ref int ->
{ 0 <= m < n < length a }
unit writes a i j
{ m <= !j < !i <= n /\ permut_sub (old a) a m n /\
{ m <= !j < !i <= n /\ permut_sub (old a) a m (n+1) /\
exists x:int.
(forall r:int. m <= r <= !j -> a[r] <= x) /\
(forall r:int. !j < r < !i -> a[r] = x) /\
......@@ -47,11 +42,11 @@ module Algo64
let j = ref 0 in
partition a m n i j;
'L1: quicksort a m !j;
assert { permut_sub (at a 'L1) a m n };
assert { permut_sub (at a 'L1) a m (n+1) };
'L2: quicksort a !i n;
assert { permut_sub (at a 'L2) a m n }
assert { permut_sub (at a 'L2) a m (n+1) }
end
{ permut_sub (old a) a m n /\ sorted_sub a m n }
{ permut_sub (old a) a m (n+1) /\ sorted_sub a m (n+1) }
end
......
examples/programs/algo64/why3session.xml 0 → 100644
View file @ 6a180e51
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE why3session SYSTEM "/home/jc/why3/share/why3session.dtd">
<why3session
name="examples/programs/algo64/why3session.xml" shape_version="2">
<prover
id="0"
name="Alt-Ergo"
version="0.94"/>
<prover
id="1"
name="Z3"
version="3.2"/>
<file
name="../algo64.mlw"
verified="true"
expanded="true">
<theory
name="Algo64"
locfile="examples/programs/algo64/../algo64.mlw"
loclnum="15" loccnumb="7" loccnume="13"
verified="true"
expanded="true">
<goal
name="WP_parameter quicksort"
locfile="examples/programs/algo64/../algo64.mlw"
loclnum="37" loccnumb="10" loccnume="19"
expl="parameter quicksort"
sum="3533c0ea980cde0949f11d81f0039f7d"
proved="true"
expanded="true"
shape="iainfix &lt;V1V2asorted_subV8V1ainfix +V2c1Aapermut_subV3V8V1ainfix +V2c1Aapermut_subV7V8V1ainfix +V2c1Iasorted_subV8V5ainfix +V2c1Aapermut_subV7V8V5ainfix +V2c1FAainfix &lt;V2V0Aainfix &lt;=V5V2Aainfix &lt;=c0V5Aainfix &lt;ainfix -V2V5ainfix -V2V1Aainfix &lt;=c0ainfix -V2V1Aapermut_subV6V7V1ainfix +V2c1Iasorted_subV7V1ainfix +V4c1Aapermut_subV6V7V1ainfix +V4c1FAainfix &lt;V4V0Aainfix &lt;=V1V4Aainfix &lt;=c0V1Aainfix &lt;ainfix -V4V1ainfix -V2V1Aainfix &lt;=c0ainfix -V2V1Iainfix &gt;=agetV6V10V9Iainfix &lt;=V10V2Aainfix &lt;=V5V10FAainfix =agetV6V11V9Iainfix &lt;V11V5Aainfix &lt;V4V11FAainfix &lt;=agetV6V12V9Iainfix &lt;=V12V4Aainfix &lt;=V1V12FEAapermut_subV3V6V1ainfix +V2c1Aainfix &lt;=V5V2Aainfix &lt;V4V5Aainfix &lt;=V1V4FAainfix &lt;V2V0Aainfix &lt;V1V2Aainfix &lt;=c0V1asorted_subV3V1ainfix +V2c1Aapermut_subV3V3V1ainfix +V2c1Iainfix &lt;V2V0Aainfix &lt;=V1V2Aainfix &lt;=c0V1FF">
<label
name="expl:parameter quicksort"/>
<transf
name="split_goal"
proved="true"
expanded="true">
<goal
name="WP_parameter quicksort.1"
locfile="examples/programs/algo64/../algo64.mlw"
loclnum="37" loccnumb="10" loccnume="19"
expl="precondition"
sum="1937b51a248d0b81e263cfda90830a31"
proved="true"
expanded="false"
shape="ainfix &lt;V2V0Aainfix &lt;V1V2Aainfix &lt;=c0V1Iainfix &lt;V1V2Iainfix &lt;V2V0Aainfix &lt;=V1V2Aainfix &lt;=c0V1FF">
<label
name="expl:parameter quicksort"/>
<proof
prover="0"
timelimit="5"
memlimit="1000"
obsolete="false"
archived="false">
<result status="valid" time="0.02"/>
</proof>
</goal>
<goal
name="WP_parameter quicksort.2"
locfile="examples/programs/algo64/../algo64.mlw"
loclnum="37" loccnumb="10" loccnume="19"
expl="variant decreases"
sum="194b5831756da65b29d0a1aea48225f1"
proved="true"
expanded="false"
shape="ainfix &lt;ainfix -V4V1ainfix -V2V1Aainfix &lt;=c0ainfix -V2V1Iainfix &gt;=agetV6V8V7Iainfix &lt;=V8V2Aainfix &lt;=V5V8FAainfix =agetV6V9V7Iainfix &lt;V9V5Aainfix &lt;V4V9FAainfix &lt;=agetV6V10V7Iainfix &lt;=V10V4Aainfix &lt;=V1V10FEAapermut_subV3V6V1ainfix +V2c1Aainfix &lt;=V5V2Aainfix &lt;V4V5Aainfix &lt;=V1V4FIainfix &lt;V2V0Aainfix &lt;V1V2Aainfix &lt;=c0V1Iainfix &lt;V1V2Iainfix &lt;V2V0Aainfix &lt;=V1V2Aainfix &lt;=c0V1FF">
<label
name="expl:parameter quicksort"/>
<proof
prover="0"
timelimit="5"
memlimit="1000"
obsolete="false"
archived="false">
<result status="valid" time="0.03"/>
</proof>
</goal>
<goal
name="WP_parameter quicksort.3"
locfile="examples/programs/algo64/../algo64.mlw"
loclnum="37" loccnumb="10" loccnume="19"
expl="precondition"
sum="034928eff8a6ffb4a2a09d9cef39ca33"
proved="true"
expanded="false"
shape="ainfix &lt;V4V0Aainfix &lt;=V1V4Aainfix &lt;=c0V1Iainfix &gt;=agetV6V8V7Iainfix &lt;=V8V2Aainfix &lt;=V5V8FAainfix =agetV6V9V7Iainfix &lt;V9V5Aainfix &lt;V4V9FAainfix &lt;=agetV6V10V7Iainfix &lt;=V10V4Aainfix &lt;=V1V10FEAapermut_subV3V6V1ainfix +V2c1Aainfix &lt;=V5V2Aainfix &lt;V4V5Aainfix &lt;=V1V4FIainfix &lt;V2V0Aainfix &lt;V1V2Aainfix &lt;=c0V1Iainfix &lt;V1V2Iainfix &lt;V2V0Aainfix &lt;=V1V2Aainfix &lt;=c0V1FF">
<label
name="expl:parameter quicksort"/>
<proof
prover="0"
timelimit="5"
memlimit="1000"
obsolete="false"
archived="false">
<result status="valid" time="0.03"/>
</proof>
</goal>
<goal
name="WP_parameter quicksort.4"
locfile="examples/programs/algo64/../algo64.mlw"
loclnum="37" loccnumb="10" loccnume="19"
expl="assertion"
sum="c02cf84424f0d3f80a18bbd62f4f9d7f"
proved="true"
expanded="false"
shape="apermut_subV6V7V1ainfix +V2c1Iasorted_subV7V1ainfix +V4c1Aapermut_subV6V7V1ainfix +V4c1FIainfix &lt;V4V0Aainfix &lt;=V1V4Aainfix &lt;=c0V1Aainfix &lt;ainfix -V4V1ainfix -V2V1Aainfix &lt;=c0ainfix -V2V1Iainfix &gt;=agetV6V9V8Iainfix &lt;=V9V2Aainfix &lt;=V5V9FAainfix =agetV6V10V8Iainfix &lt;V10V5Aainfix &lt;V4V10FAainfix &lt;=agetV6V11V8Iainfix &lt;=V11V4Aainfix &lt;=V1V11FEAapermut_subV3V6V1ainfix +V2c1Aainfix &lt;=V5V2Aainfix &lt;V4V5Aainfix &lt;=V1V4FIainfix &lt;V2V0Aainfix &lt;V1V2Aainfix &lt;=c0V1Iainfix &lt;V1V2Iainfix &lt;V2V0Aainfix &lt;=V1V2Aainfix &lt;=c0V1FF">
<label
name="expl:parameter quicksort"/>
<proof
prover="0"
timelimit="5"
memlimit="1000"
obsolete="false"
archived="false">
<result status="valid" time="0.04"/>
</proof>
</goal>
<goal
name="WP_parameter quicksort.5"
locfile="examples/programs/algo64/../algo64.mlw"
loclnum="37" loccnumb="10" loccnume="19"
expl="variant decreases"
sum="2acdc20b13b77e830b11f6b0ff7915bc"
proved="true"
expanded="false"
shape="ainfix &lt;ainfix -V2V5ainfix -V2V1Aainfix &lt;=c0ainfix -V2V1Iapermut_subV6V7V1ainfix +V2c1Iasorted_subV7V1ainfix +V4c1Aapermut_subV6V7V1ainfix +V4c1FIainfix &lt;V4V0Aainfix &lt;=V1V4Aainfix &lt;=c0V1Aainfix &lt;ainfix -V4V1ainfix -V2V1Aainfix &lt;=c0ainfix -V2V1Iainfix &gt;=agetV6V9V8Iainfix &lt;=V9V2Aainfix &lt;=V5V9FAainfix =agetV6V10V8Iainfix &lt;V10V5Aainfix &lt;V4V10FAainfix &lt;=agetV6V11V8Iainfix &lt;=V11V4Aainfix &lt;=V1V11FEAapermut_subV3V6V1ainfix +V2c1Aainfix &lt;=V5V2Aainfix &lt;V4V5Aainfix &lt;=V1V4FIainfix &lt;V2V0Aainfix &lt;V1V2Aainfix &lt;=c0V1Iainfix &lt;V1V2Iainfix &lt;V2V0Aainfix &lt;=V1V2Aainfix &lt;=c0V1FF">
<label
name="expl:parameter quicksort"/>
<proof
prover="0"
timelimit="5"
memlimit="1000"
obsolete="false"
archived="false">
<result status="valid" time="0.03"/>
</proof>
</goal>
<goal
name="WP_parameter quicksort.6"
locfile="examples/programs/algo64/../algo64.mlw"
loclnum="37" loccnumb="10" loccnume="19"
expl="precondition"
sum="2e6be7b6dba972c3888cf2d815f92588"
proved="true"
expanded="false"
shape="ainfix &lt;V2V0Aainfix &lt;=V5V2Aainfix &lt;=c0V5Iapermut_subV6V7V1ainfix +V2c1Iasorted_subV7V1ainfix +V4c1Aapermut_subV6V7V1ainfix +V4c1FIainfix &lt;V4V0Aainfix &lt;=V1V4Aainfix &lt;=c0V1Aainfix &lt;ainfix -V4V1ainfix -V2V1Aainfix &lt;=c0ainfix -V2V1Iainfix &gt;=agetV6V9V8Iainfix &lt;=V9V2Aainfix &lt;=V5V9FAainfix =agetV6V10V8Iainfix &lt;V10V5Aainfix &lt;V4V10FAainfix &lt;=agetV6V11V8Iainfix &lt;=V11V4Aainfix &lt;=V1V11FEAapermut_subV3V6V1ainfix +V2c1Aainfix &lt;=V5V2Aainfix &lt;V4V5Aainfix &lt;=V1V4FIainfix &lt;V2V0Aainfix &lt;V1V2Aainfix &lt;=c0V1Iainfix &lt;V1V2Iainfix &lt;V2V0Aainfix &lt;=V1V2Aainfix &lt;=c0V1FF">
<label
name="expl:parameter quicksort"/>
<proof
prover="0"
timelimit="5"
memlimit="1000"
obsolete="false"
archived="false">
<result status="valid" time="0.03"/>
</proof>
</goal>
<goal
name="WP_parameter quicksort.7"
locfile="examples/programs/algo64/../algo64.mlw"
loclnum="37" loccnumb="10" loccnume="19"
expl="assertion"
sum="4cb0e10c07f7d1266dcbca3b21e61000"
proved="true"
expanded="false"
shape="apermut_subV7V8V1ainfix +V2c1Iasorted_subV8V5ainfix +V2c1Aapermut_subV7V8V5ainfix +V2c1FIainfix &lt;V2V0Aainfix &lt;=V5V2Aainfix &lt;=c0V5Aainfix &lt;ainfix -V2V5ainfix -V2V1Aainfix &lt;=c0ainfix -V2V1Iapermut_subV6V7V1ainfix +V2c1Iasorted_subV7V1ainfix +V4c1Aapermut_subV6V7V1ainfix +V4c1FIainfix &lt;V4V0Aainfix &lt;=V1V4Aainfix &lt;=c0V1Aainfix &lt;ainfix -V4V1ainfix -V2V1Aainfix &lt;=c0ainfix -V2V1Iainfix &gt;=agetV6V10V9Iainfix &lt;=V10V2Aainfix &lt;=V5V10FAainfix =agetV6V11V9Iainfix &lt;V11V5Aainfix &lt;V4V11FAainfix &lt;=agetV6V12V9Iainfix &lt;=V12V4Aainfix &lt;=V1V12FEAapermut_subV3V6V1ainfix +V2c1Aainfix &lt;=V5V2Aainfix &lt;V4V5Aainfix &lt;=V1V4FIainfix &lt;V2V0Aainfix &lt;V1V2Aainfix &lt;=c0V1Iainfix &lt;V1V2Iainfix &lt;V2V0Aainfix &lt;=V1V2Aainfix &lt;=c0V1FF">
<label
name="expl:parameter quicksort"/>
<proof
prover="0"
timelimit="5"
memlimit="1000"
obsolete="false"
archived="false">
<result status="valid" time="0.04"/>
</proof>
</goal>
<goal
name="WP_parameter quicksort.8"
locfile="examples/programs/algo64/../algo64.mlw"
loclnum="37" loccnumb="10" loccnume="19"
expl="normal postcondition"
sum="73b08ee7a978f24b740f747e96186b06"
proved="true"
expanded="true"
shape="asorted_subV8V1ainfix +V2c1Aapermut_subV3V8V1ainfix +V2c1Iapermut_subV7V8V1ainfix +V2c1Iasorted_subV8V5ainfix +V2c1Aapermut_subV7V8V5ainfix +V2c1FIainfix &lt;V2V0Aainfix &lt;=V5V2Aainfix &lt;=c0V5Aainfix &lt;ainfix -V2V5ainfix -V2V1Aainfix &lt;=c0ainfix -V2V1Iapermut_subV6V7V1ainfix +V2c1Iasorted_subV7V1ainfix +V4c1Aapermut_subV6V7V1ainfix +V4c1FIainfix &lt;V4V0Aainfix &lt;=V1V4Aainfix &lt;=c0V1Aainfix &lt;ainfix -V4V1ainfix -V2V1Aainfix &lt;=c0ainfix -V2V1Iainfix &gt;=agetV6V10V9Iainfix &lt;=V10V2Aainfix &lt;=V5V10FAainfix =agetV6V11V9Iainfix &lt;V11V5Aainfix &lt;V4V11FAainfix &lt;=agetV6V12V9Iainfix &lt;=V12V4Aainfix &lt;=V1V12FEAapermut_subV3V6V1ainfix +V2c1Aainfix &lt;=V5V2Aainfix &lt;V4V5Aainfix &lt;=V1V4FIainfix &lt;V2V0Aainfix &lt;V1V2Aainfix &lt;=c0V1Iainfix &lt;V1V2Iainfix &lt;V2V0Aainfix &lt;=V1V2Aainfix &lt;=c0V1FF">
<label
name="expl:parameter quicksort"/>
<transf
name="split_goal"
proved="true"
expanded="true">
<goal
name="WP_parameter quicksort.8.1"
locfile="examples/programs/algo64/../algo64.mlw"
loclnum="37" loccnumb="10" loccnume="19"
expl="parameter quicksort"
sum="ad5ce69bb20a3c62372c864f4a9a6cdc"
proved="true"
expanded="false"
shape="apermut_subV3V8V1ainfix +V2c1Iapermut_subV7V8V1ainfix +V2c1Iasorted_subV8V5ainfix +V2c1Aapermut_subV7V8V5ainfix +V2c1FIainfix &lt;V2V0Aainfix &lt;=V5V2Aainfix &lt;=c0V5Aainfix &lt;ainfix -V2V5ainfix -V2V1Aainfix &lt;=c0ainfix -V2V1Iapermut_subV6V7V1ainfix +V2c1Iasorted_subV7V1ainfix +V4c1Aapermut_subV6V7V1ainfix +V4c1FIainfix &lt;V4V0Aainfix &lt;=V1V4Aainfix &lt;=c0V1Aainfix &lt;ainfix -V4V1ainfix -V2V1Aainfix &lt;=c0ainfix -V2V1Iainfix &gt;=agetV6V10V9Iainfix &lt;=V10V2Aainfix &lt;=V5V10FAainfix =agetV6V11V9Iainfix &lt;V11V5Aainfix &lt;V4V11FAainfix &lt;=agetV6V12V9Iainfix &lt;=V12V4Aainfix &lt;=V1V12FEAapermut_subV3V6V1ainfix +V2c1Aainfix &lt;=V5V2Aainfix &lt;V4V5Aainfix &lt;=V1V4FIainfix &lt;V2V0Aainfix &lt;V1V2Aainfix &lt;=c0V1Iainfix &lt;V1V2Iainfix &lt;V2V0Aainfix &lt;=V1V2Aainfix &lt;=c0V1FF">
<label
name="expl:parameter quicksort"/>
<proof
prover="0"
timelimit="5"
memlimit="1000"
obsolete="false"
archived="false">
<result status="valid" time="0.10"/>
</proof>
</goal>
<goal
name="WP_parameter quicksort.8.2"
locfile="examples/programs/algo64/../algo64.mlw"
loclnum="37" loccnumb="10" loccnume="19"
expl="parameter quicksort"
sum="af0bb134c03b7b81b0ec6db2673c6e7c"
proved="true"
expanded="true"
shape="asorted_subV8V1ainfix +V2c1Iapermut_subV7V8V1ainfix +V2c1Iasorted_subV8V5ainfix +V2c1Aapermut_subV7V8V5ainfix +V2c1FIainfix &lt;V2V0Aainfix &lt;=V5V2Aainfix &lt;=c0V5Aainfix &lt;ainfix -V2V5ainfix -V2V1Aainfix &lt;=c0ainfix -V2V1Iapermut_subV6V7V1ainfix +V2c1Iasorted_subV7V1ainfix +V4c1Aapermut_subV6V7V1ainfix +V4c1FIainfix &lt;V4V0Aainfix &lt;=V1V4Aainfix &lt;=c0V1Aainfix &lt;ainfix -V4V1ainfix -V2V1Aainfix &lt;=c0ainfix -V2V1Iainfix &gt;=agetV6V10V9Iainfix &lt;=V10V2Aainfix &lt;=V5V10FAainfix =agetV6V11V9Iainfix &lt;V11V5Aainfix &lt;V4V11FAainfix &lt;=agetV6V12V9Iainfix &lt;=V12V4Aainfix &lt;=V1V12FEAapermut_subV3V6V1ainfix +V2c1Aainfix &lt;=V5V2Aainfix &lt;V4V5Aainfix &lt;=V1V4FIainfix &lt;V2V0Aainfix &lt;V1V2Aainfix &lt;=c0V1Iainfix &lt;V1V2Iainfix &lt;V2V0Aainfix &lt;=V1V2Aainfix &lt;=c0V1FF">
<label
name="expl:parameter quicksort"/>
<proof
prover="1"
timelimit="19"
memlimit="1000"
obsolete="false"
archived="false">
<result status="valid" time="14.69"/>
</proof>
</goal>
</transf>
</goal>
<goal
name="WP_parameter quicksort.9"
locfile="examples/programs/algo64/../algo64.mlw"
loclnum="37" loccnumb="10" loccnume="19"
expl="normal postcondition"
sum="07812c408c2ef8ba959a4c34a2b3e06e"
proved="true"
expanded="false"
shape="asorted_subV3V1ainfix +V2c1Aapermut_subV3V3V1ainfix +V2c1Iainfix &lt;V1V2NIainfix &lt;V2V0Aainfix &lt;=V1V2Aainfix &lt;=c0V1FF">
<label
name="expl:parameter quicksort"/>
<proof
prover="0"
timelimit="5"
memlimit="1000"
obsolete="false"
archived="false">
<result status="valid" time="0.04"/>
</proof>
</goal>
</transf>
</goal>
</theory>
</file>
</why3session>
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