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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE why3session PUBLIC "-//Why3//proof session v5//EN"
"https://www.why3.org/why3session.dtd">
<why3session shape_version="6">
<prover id="2" name="CVC4" version="1.6" timelimit="1" steplimit="0" memlimit="1000"/>
<prover id="3" name="CVC4" version="1.5" timelimit="1" steplimit="0" memlimit="1000"/>
<prover id="4" name="Z3" version="4.7.1" timelimit="1" steplimit="0" memlimit="1000"/>
<file format="whyml">
<path name=".."/><path name=".."/><path name=".."/><path name="stdlib"/>
<path name="pigeon.mlw"/>
<theory name="Pigeonhole" proved="true">
<goal name="pigeonhole'vc" expl="VC for pigeonhole" proved="true">
<transf name="split_vc" proved="true" >
<goal name="pigeonhole'vc.0" expl="loop invariant init" proved="true">
<proof prover="3"><result status="valid" time="0.000000" steps="431"/></proof>
</goal>
<goal name="pigeonhole'vc.1" expl="loop invariant init" proved="true">
<proof prover="3"><result status="valid" time="0.010000" steps="627"/></proof>
</goal>
<goal name="pigeonhole'vc.2" expl="postcondition" proved="true">
<proof prover="3"><result status="valid" time="0.000000" steps="1457"/></proof>
</goal>
<goal name="pigeonhole'vc.3" expl="loop invariant preservation" proved="true">
<proof prover="3"><result status="valid" time="0.010000" steps="1589"/></proof>
</goal>
<goal name="pigeonhole'vc.4" expl="variant decrease" proved="true">
<proof prover="3"><result status="valid" time="0.010000" steps="791"/></proof>
</goal>
<goal name="pigeonhole'vc.5" expl="precondition" proved="true">
<proof prover="3"><result status="valid" time="0.010000" steps="1255"/></proof>
<proof prover="4"><result status="valid" time="0.000000" steps="2505"/></proof>
</goal>
<goal name="pigeonhole'vc.6" expl="precondition" proved="true">
<proof prover="3"><result status="valid" time="0.020000" steps="2123"/></proof>
</goal>
<goal name="pigeonhole'vc.7" expl="postcondition" proved="true">
<proof prover="3"><result status="valid" time="0.040000" steps="8726"/></proof>
</goal>
<goal name="pigeonhole'vc.8" expl="out of loop bounds" proved="true">
<proof prover="3"><result status="valid" time="0.010000" steps="1334"/></proof>
<proof prover="4"><result status="valid" time="0.000000" steps="256"/></proof>
</goal>
<goal name="pigeonhole'vc.9" expl="loop invariant preservation" proved="true">
<proof prover="3"><result status="valid" time="0.010000" steps="903"/></proof>
</goal>
<goal name="pigeonhole'vc.10" expl="variant decrease" proved="true">
<proof prover="3"><result status="valid" time="0.010000" steps="511"/></proof>
<proof prover="4"><result status="valid" time="0.000000" steps="98"/></proof>
</goal>
<goal name="pigeonhole'vc.11" expl="precondition" proved="true">
<proof prover="4"><result status="valid" time="0.010000" steps="1716"/></proof>
</goal>
<goal name="pigeonhole'vc.12" expl="precondition" proved="true">
<proof prover="3"><result status="valid" time="0.000000" steps="738"/></proof>
</goal>
<goal name="pigeonhole'vc.13" expl="postcondition" proved="true">
<proof prover="3"><result status="valid" time="0.010000" steps="805"/></proof>
</goal>
<goal name="pigeonhole'vc.14" expl="out of loop bounds" proved="true">
<proof prover="3"><result status="valid" time="0.000000" steps="611"/></proof>
</goal>
</transf>
</goal>
</theory>
<theory name="ListAndSet">
<goal name="corner">
</goal>
<goal name="pigeon_0" proved="true">
<transf name="unfold" proved="true" arg1="pigeon_set">
<goal name="pigeon_0.0" proved="true">
<transf name="introduce_premises" proved="true" >
<goal name="pigeon_0.0.0" proved="true">
<transf name="destruct_term" proved="true" arg1="l">
<goal name="pigeon_0.0.0.0" proved="true">
<transf name="assert" proved="true" arg1="(mem x1 empty)">
<goal name="pigeon_0.0.0.0.0" expl="asserted formula" proved="true">
<proof prover="2"><result status="valid" time="0.060000" steps="13910"/></proof>
</goal>
<goal name="pigeon_0.0.0.0.1" proved="true">
<proof prover="2"><result status="valid" time="0.050000" steps="13106"/></proof>
</goal>
</transf>
</goal>
<goal name="pigeon_0.0.0.1" proved="true">
<proof prover="2"><result status="valid" time="0.040000" steps="13046"/></proof>
</goal>
</transf>
</goal>
</transf>
</goal>
</transf>
</goal>
<goal name="pigeon_1">
</goal>
<goal name="pigeon_2" proved="true">
<proof prover="2"><result status="valid" time="0.050000" steps="8924"/></proof>
</goal>
<goal name="pigeonhole" proved="true">
<proof prover="4"><result status="valid" time="0.295074" steps="565653"/></proof>
</goal>
</theory>
</file>
</why3session>
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