%------------------------------------------------------------------------------
% File : SPASS-SCL---0.1
% Problem : PUZ031+3 : TPTP v9.2.1. Released v4.1.0.
% Transfm : none
% Format : tptp
% Command : /export/starexec/sandbox2/solver/bin/execute.py 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n021.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8042.1875MB
% OS : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Thu May 7 07:31:26 PM UTC 2026
% Result : Theorem 0.38s 0.69s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12 % Problem : PUZ031+3 : TPTP v9.2.1. Released v4.1.0.
% 0.11/0.12 % Command : /export/starexec/sandbox2/solver/bin/execute.py 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.15/0.33 % Computer : n021.cluster.edu
% 0.15/0.33 % Model : x86_64 x86_64
% 0.15/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.33 % Memory : 8042.1875MB
% 0.15/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.15/0.33 % CPULimit : 300
% 0.15/0.33 % WCLimit : 300
% 0.15/0.33 % DateTime : Thu May 7 12:58:58 EDT 2026
% 0.15/0.34 % CPUTime :
% 0.15/0.34 SPASS-SCL-FOL version:
% 0.15/0.43 SPASS-SCL-FOL 0.1 (595c0c7b1) [parallel mode]
% 0.38/0.69 Starting: ./SPASS-SCL-FOL --heuristics_normal -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.38/0.69 Starting: ./SPASS-SCL-FOL --heuristics_resolution_1 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.38/0.69 Starting: ./SPASS-SCL-FOL --heuristics_resolution_2 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.38/0.69 Starting: ./SPASS-SCL-FOL --heuristics_resolution_3 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.38/0.69 Starting: ./SPASS-SCL-FOL --heuristics_lmodel_grow -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.38/0.69 Execution lmodel_grow ended with status: unsatisfiable
% 0.38/0.69 Used heuristic: lmodel_grow
% 0.38/0.69
% 0.38/0.69 Input Clauses:
% 0.38/0.69
% 0.38/0.69 Predicates: edible animal wolf fox bird caterpillar snail plant grain eats much_smaller ren1 ren2
% 0.38/0.69 Fol Constants: skc1 skc2 skc3 skc4 skc5 skc6 skc7 skc8 skc9
% 0.38/0.69 Fol Functions: skf10 skf11
% 0.38/0.69 Problem Properties:
% 0.38/0.69 This is a full first-order problem without equality.
% 0.38/0.69
% 0.38/0.69 After reduction: Problem Properties:
% 0.38/0.69 This is a full first-order problem without equality.
% 0.38/0.69
% 0.38/0.69
% 0.38/0.69 Reduced Input Clauses:
% 0.38/0.69
% 0.38/0.69 Most General Atoms: edible(x0) bird(x0) plant(x3) snail(x1) caterpillar(x1) fox(x1) much_smaller(x0,x1) wolf(x1) ren1(x0,x1) ren2(x0,x1) animal(x1) grain(x2) eats(x1,x2)
% 0.38/0.69
% 0.38/0.69 === Starting SPASS-SCL-FOL A Little Less Naive, considering 54 atoms initially, heuristics mode: lmodel_grow ===
% 0.38/0.69
% 0.38/0.69 === Clause set with instances from active satisfied. Growing active. New size: 66
% 0.38/0.69 === Backtracking. Learning clause 34:3:2:[26.3,25.3]:TopTop: snail(x1),bird(x0),caterpillar(x1) ->
% 0.38/0.69 === Clause set with instances from active satisfied. Growing active. New size: 71
% 0.38/0.69 === Clause set with instances from active satisfied. Growing active. New size: 85
% 0.38/0.69 === Clause set with instances from active satisfied. Growing active. New size: 90
% 0.38/0.69 === Clause set with instances from active satisfied. Growing active. New size: 101
% 0.38/0.69 === Clause set with instances from active satisfied. Growing active. New size: 102
% 0.38/0.69 === Backtracking. Learning clause 38:6:4:[9.1,35.0,13.1,36.2,26.2,37.8,18.4,19.3]:TopTopTopTop: plant(x0),plant(x1),eats(x2,x1),bird(x3),snail(x2) -> eats(x3,x0)
% 0.38/0.69 === Conflict found: 38:6:4:[9.1,35.0,13.1,36.2,26.2,37.8,18.4,19.3]:TopTopTopTop: plant(x0),plant(x1),eats(x2,x1),bird(x3),snail(x2) -> eats(x3,x0) {x0 -> skc9, x1 -> skc1, x2 -> skc3, x3 -> skc3}
% 0.38/0.69 === Backtracking. Learning clause 41:5:4:[17.1,39.0,27.1,40.1,38.6,24.3,28.2]:TopTopTopTop: bird(x0),snail(x1),wolf(x0),grain(x2),ren1(x3,x1) ->
% 0.38/0.69 === Clause set with instances from active satisfied. Growing active. New size: 108
% 0.38/0.69 === Clause set with instances from active satisfied. Growing active. New size: 111
% 0.38/0.69 === Backtracking. Learning clause 42:7:4:[18.6,31.2,30.2]:TopTopTopTop: animal(x0),plant(x1),animal(x2),much_smaller(x2,x0),ren2(x3,x2) -> eats(x0,x1),eats(x0,x2)
% 0.38/0.69 === Conflict found: 38:6:4:[9.1,35.0,13.1,36.2,26.2,37.8,18.4,19.3]:TopTopTopTop: plant(x0),plant(x1),eats(x2,x1),bird(x3),snail(x2) -> eats(x3,x0) {x0 -> skc9, x1 -> skf11(skc7), x2 -> skc7, x3 -> skc3}
% 0.38/0.69 === Backtracking. Learning clause 44:5:4:[17.1,43.0,38.2,30.2,31.2,24.3]:TopTopTopTop: bird(x0),snail(x1),ren2(x2,x1),wolf(x0),grain(x3) ->
% 0.38/0.69 === Backtracking. Learning clause 45:2:1:[30.1,32.2]:Top: snail(x0) -> plant(skf11(x0))
% 0.38/0.69 === Clause set with instances from active satisfied. Growing active. New size: 119
% 0.38/0.69 === Clause set with instances from active satisfied. Growing active. New size: 127
% 0.38/0.69 === Backtracking. Learning clause 49:5:4:[5.1,46.0,17.1,47.1,7.1,48.2,18.4,22.3,24.3,23.3]:TopTopTopTop: plant(x0),eats(x1,x0),grain(x2),wolf(x3),fox(x1) ->
% 0.38/0.69 === Clause set with instances from active satisfied. Growing active. New size: 135
% 0.38/0.69 === Backtracking. Learning clause 50:7:5:[33.5,18.8,7.2,9.2,21.3,38.6,17.2,24.3]:TopTopTopTopTop: fox(x1),plant(x3),eats(x4,x3),bird(x2),snail(x4),wolf(x1),grain(x0) ->
% 0.38/0.69 === Conflict found: 49:5:4:[5.1,46.0,17.1,47.1,7.1,48.2,18.4,22.3,24.3,23.3]:TopTopTopTop: plant(x0),eats(x1,x0),grain(x2),wolf(x3),fox(x1) -> {x0 -> skc9, x1 -> skc4, x2 -> skc9, x3 -> skc3}
% 0.38/0.69
% 0.38/0.69 SZS status Unsatisfiable
% 0.38/0.69
% 0.38/0.69 Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.38/0.69
% 0.38/0.69 SPASS-SCL-FOL Statistics:
% 0.38/0.69 Number of learned clauses: 8
% 0.38/0.69 Number of propagations: 314
% 0.38/0.69 Number of decisions: 203
% 0.38/0.69 Number of resolutions: 35
% 0.38/0.69 Number of condensations: 2
% 0.38/0.69 Number of sub resolutions: 9
% 0.38/0.69 Number of input literals (deduplicated): 24
% 0.38/0.69 Number of grows: 11
% 0.38/0.69 Number of considered ground atoms: 135
% 0.38/0.69
% 0.38/0.69 Needed: 0:00:00.15
% 0.38/0.69
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