1 <?xml version="1.0" encoding="UTF-8"?>
2 <!DOCTYPE why3session PUBLIC "-//Why3//proof session v5//EN"
3 "https://www.why3.org/why3session.dtd">
4 <why3session shape_version="6">
5 <prover id="0" name="Alt-Ergo" version="2.6.0" timelimit="5" steplimit="0" memlimit="1000"/>
6 <prover id="2" name="Z3" version="3.2" timelimit="8" steplimit="0" memlimit="1000"/>
7 <prover id="3" name="CVC4" version="1.5" timelimit="1" steplimit="0" memlimit="1000"/>
8 <file format="whyml" proved="true">
9 <path name=".."/><path name="vstte10_queens.mlw"/>
10 <theory name="NQueens" proved="true">
11 <goal name="eq_board_set" proved="true">
12 <proof prover="0"><result status="valid" time="0.000000" steps="30"/></proof>
14 <goal name="eq_board_sym" proved="true">
15 <proof prover="0" timelimit="20" memlimit="0"><result status="valid" time="0.010000" steps="16"/></proof>
17 <goal name="eq_board_trans" proved="true">
18 <proof prover="0" timelimit="20" memlimit="0"><result status="valid" time="0.010000" steps="26"/></proof>
20 <goal name="eq_board_extension" proved="true">
21 <proof prover="0" timelimit="20" memlimit="0"><result status="valid" time="0.010000" steps="29"/></proof>
23 <goal name="consistent_row_eq" proved="true">
24 <proof prover="0" timelimit="20" memlimit="0"><result status="valid" time="0.060000" steps="54"/></proof>
26 <goal name="check_is_consistent'vc" expl="VC for check_is_consistent" proved="true">
27 <proof prover="0"><result status="valid" time="0.020000" steps="91"/></proof>
29 <goal name="solution_eq_board" proved="true">
30 <proof prover="2"><result status="valid" time="0.060000"/></proof>
32 <goal name="bt_queens'vc" expl="VC for bt_queens" proved="true">
33 <transf name="split_goal_right" proved="true" >
34 <goal name="bt_queens'vc.0" expl="exceptional postcondition" proved="true">
35 <proof prover="0"><result status="valid" time="0.010000" steps="2"/></proof>
37 <goal name="bt_queens'vc.1" expl="loop invariant init" proved="true">
38 <proof prover="3"><result status="valid" time="0.010000" steps="3920"/></proof>
40 <goal name="bt_queens'vc.2" expl="loop invariant init" proved="true">
41 <proof prover="0"><result status="valid" time="0.010000" steps="16"/></proof>
43 <goal name="bt_queens'vc.3" expl="index in array bounds" proved="true">
44 <proof prover="0"><result status="valid" time="0.010000" steps="20"/></proof>
46 <goal name="bt_queens'vc.4" expl="precondition" proved="true">
47 <proof prover="0"><result status="valid" time="0.010000" steps="20"/></proof>
49 <goal name="bt_queens'vc.5" expl="variant decrease" proved="true">
50 <proof prover="0"><result status="valid" time="0.010000" steps="20"/></proof>
52 <goal name="bt_queens'vc.6" expl="precondition" proved="true">
53 <proof prover="3" timelimit="5"><result status="valid" time="0.160000" steps="25123"/></proof>
55 <goal name="bt_queens'vc.7" expl="loop invariant preservation" proved="true">
56 <proof prover="3"><result status="valid" time="0.080000" steps="15349"/></proof>
58 <goal name="bt_queens'vc.8" expl="loop invariant preservation" proved="true">
59 <proof prover="0"><result status="valid" time="0.040000" steps="206"/></proof>
61 <goal name="bt_queens'vc.9" expl="exceptional postcondition" proved="true">
62 <proof prover="0"><result status="valid" time="0.010000" steps="0"/></proof>
64 <goal name="bt_queens'vc.10" expl="loop invariant preservation" proved="true">
65 <proof prover="3"><result status="valid" time="0.040000" steps="7715"/></proof>
67 <goal name="bt_queens'vc.11" expl="loop invariant preservation" proved="true">
68 <proof prover="0"><result status="valid" time="0.207324" steps="1117"/></proof>
70 <goal name="bt_queens'vc.12" expl="postcondition" proved="true">
71 <proof prover="3"><result status="valid" time="0.000000" steps="3568"/></proof>
73 <goal name="bt_queens'vc.13" expl="postcondition" proved="true">
74 <proof prover="0"><result status="valid" time="0.010000" steps="66"/></proof>
76 <goal name="bt_queens'vc.14" expl="out of loop bounds" proved="true">
77 <proof prover="0"><result status="valid" time="0.010000" steps="5"/></proof>
81 <goal name="queens'vc" expl="VC for queens" proved="true">
82 <proof prover="0"><result status="valid" time="0.000000" steps="70"/></proof>
84 <goal name="test8'vc" expl="VC for test8" proved="true">
85 <proof prover="0"><result status="valid" time="0.000000" steps="2"/></proof>
87 <goal name="count_bt_queens'vc" expl="VC for count_bt_queens" proved="true">
88 <proof prover="0"><result status="valid" time="0.168391" steps="1925"/></proof>
90 <goal name="count_queens'vc" expl="VC for count_queens" proved="true">
91 <proof prover="0"><result status="valid" time="0.000000" steps="21"/></proof>
93 <goal name="test_count_8'vc" expl="VC for test_count_8" proved="true">
94 <proof prover="0"><result status="valid" time="0.000000" steps="2"/></proof>
97 <theory name="NQueens63" proved="true">
98 <goal name="check_is_consistent'vc" expl="VC for check_is_consistent" proved="true">
99 <proof prover="0"><result status="valid" time="0.055650" steps="504"/></proof>
101 <goal name="count_bt_queens'vc" expl="VC for count_bt_queens" proved="true">
102 <proof prover="0"><result status="valid" time="0.205286" steps="1122"/></proof>
104 <goal name="count_queens'vc" expl="VC for count_queens" proved="true">
105 <proof prover="0"><result status="valid" time="0.010000" steps="47"/></proof>
107 <goal name="test_count_8'vc" expl="VC for test_count_8" proved="true">
108 <proof prover="0"><result status="valid" time="0.010000" steps="10"/></proof>