<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE why3session PUBLIC "-//Why3//proof session v5//EN"
"http://why3.lri.fr/why3session.dtd">
<why3session shape_version="6">
<prover id="2" name="Z3" version="3.2" timelimit="8" steplimit="0" memlimit="1000"/>
<prover id="3" name="CVC4" version="1.5" timelimit="1" steplimit="0" memlimit="1000"/>
<prover id="4" name="Alt-Ergo" version="2.0.0" timelimit="5" steplimit="0" memlimit="1000"/>
<file format="whyml" proved="true">
<path name=".."/><path name="vstte10_queens.mlw"/>
<theory name="NQueens" proved="true">
 <goal name="eq_board_set" proved="true">
 <proof prover="4"><result status="valid" time="0.00" steps="15"/></proof>
 </goal>
 <goal name="eq_board_sym" proved="true">
 <proof prover="4" timelimit="20" memlimit="0"><result status="valid" time="0.01" steps="3"/></proof>
 </goal>
 <goal name="eq_board_trans" proved="true">
 <proof prover="4" timelimit="20" memlimit="0"><result status="valid" time="0.01" steps="12"/></proof>
 </goal>
 <goal name="eq_board_extension" proved="true">
 <proof prover="4" timelimit="20" memlimit="0"><result status="valid" time="0.01" steps="13"/></proof>
 </goal>
 <goal name="consistent_row_eq" proved="true">
 <proof prover="4" timelimit="20" memlimit="0"><result status="valid" time="0.06" steps="41"/></proof>
 </goal>
 <goal name="check_is_consistent&#39;vc" expl="VC for check_is_consistent" proved="true">
 <proof prover="4"><result status="valid" time="0.02" steps="66"/></proof>
 </goal>
 <goal name="solution_eq_board" proved="true">
 <proof prover="2"><result status="valid" time="0.06"/></proof>
 </goal>
 <goal name="bt_queens&#39;vc" expl="VC for bt_queens" proved="true">
 <transf name="split_goal_right" proved="true" >
  <goal name="bt_queens&#39;vc.0" expl="exceptional postcondition" proved="true">
  <proof prover="4"><result status="valid" time="0.01" steps="6"/></proof>
  </goal>
  <goal name="bt_queens&#39;vc.1" expl="loop invariant init" proved="true">
  <proof prover="3"><result status="valid" time="0.01" steps="4428"/></proof>
  </goal>
  <goal name="bt_queens&#39;vc.2" expl="loop invariant init" proved="true">
  <proof prover="4"><result status="valid" time="0.01" steps="11"/></proof>
  </goal>
  <goal name="bt_queens&#39;vc.3" expl="index in array bounds" proved="true">
  <proof prover="4"><result status="valid" time="0.01" steps="11"/></proof>
  </goal>
  <goal name="bt_queens&#39;vc.4" expl="precondition" proved="true">
  <proof prover="4"><result status="valid" time="0.01" steps="14"/></proof>
  </goal>
  <goal name="bt_queens&#39;vc.5" expl="variant decrease" proved="true">
  <proof prover="4"><result status="valid" time="0.01" steps="15"/></proof>
  </goal>
  <goal name="bt_queens&#39;vc.6" expl="precondition" proved="true">
  <proof prover="3" timelimit="5"><result status="valid" time="0.16" steps="25412"/></proof>
  </goal>
  <goal name="bt_queens&#39;vc.7" expl="loop invariant preservation" proved="true">
  <proof prover="3"><result status="valid" time="0.08" steps="15638"/></proof>
  </goal>
  <goal name="bt_queens&#39;vc.8" expl="loop invariant preservation" proved="true">
  <proof prover="4"><result status="valid" time="0.04" steps="130"/></proof>
  </goal>
  <goal name="bt_queens&#39;vc.9" expl="exceptional postcondition" proved="true">
  <proof prover="4"><result status="valid" time="0.01" steps="1"/></proof>
  </goal>
  <goal name="bt_queens&#39;vc.10" expl="loop invariant preservation" proved="true">
  <proof prover="3"><result status="valid" time="0.04" steps="8004"/></proof>
  </goal>
  <goal name="bt_queens&#39;vc.11" expl="loop invariant preservation" proved="true">
  <proof prover="4"><result status="valid" time="0.06" steps="282"/></proof>
  </goal>
  <goal name="bt_queens&#39;vc.12" expl="postcondition" proved="true">
  <proof prover="3"><result status="valid" time="0.00" steps="3878"/></proof>
  </goal>
  <goal name="bt_queens&#39;vc.13" expl="postcondition" proved="true">
  <proof prover="4"><result status="valid" time="0.01" steps="28"/></proof>
  </goal>
  <goal name="bt_queens&#39;vc.14" expl="out of loop bounds" proved="true">
  <proof prover="4"><result status="valid" time="0.01" steps="6"/></proof>
  </goal>
 </transf>
 </goal>
 <goal name="queens&#39;vc" expl="VC for queens" proved="true">
 <proof prover="4"><result status="valid" time="0.00" steps="27"/></proof>
 </goal>
 <goal name="test8&#39;vc" expl="VC for test8" proved="true">
 <proof prover="4"><result status="valid" time="0.00" steps="1"/></proof>
 </goal>
 <goal name="count_bt_queens&#39;vc" expl="VC for count_bt_queens" proved="true">
 <proof prover="4"><result status="valid" time="1.80" steps="631"/></proof>
 </goal>
 <goal name="count_queens&#39;vc" expl="VC for count_queens" proved="true">
 <proof prover="4"><result status="valid" time="0.00" steps="8"/></proof>
 </goal>
 <goal name="test_count_8&#39;vc" expl="VC for test_count_8" proved="true">
 <proof prover="4"><result status="valid" time="0.00" steps="1"/></proof>
 </goal>
</theory>
<theory name="NQueens63" proved="true">
 <goal name="check_is_consistent&#39;vc" expl="VC for check_is_consistent" proved="true">
 <proof prover="4"><result status="valid" time="0.18" steps="890"/></proof>
 </goal>
 <goal name="count_bt_queens&#39;vc" expl="VC for count_bt_queens" proved="true">
 <proof prover="4"><result status="valid" time="2.25" steps="2329"/></proof>
 </goal>
 <goal name="count_queens&#39;vc" expl="VC for count_queens" proved="true">
 <proof prover="4"><result status="valid" time="0.01" steps="13"/></proof>
 </goal>
 <goal name="test_count_8&#39;vc" expl="VC for test_count_8" proved="true">
 <proof prover="4"><result status="valid" time="0.01" steps="6"/></proof>
 </goal>
</theory>
</file>
</why3session>
