%------------------------------------------------------------------------------
% File : SPASS-SCL---0.1
% Problem : LCL013-1 : TPTP v9.2.1. Released v1.0.0.
% Transfm : none
% Format : tptp
% Command : /export/starexec/sandbox2/solver/bin/execute.py 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n031.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 07:27:16 PM UTC 2026
% Result : Unsatisfiable 0.38s 0.62s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.13 % Problem : LCL013-1 : TPTP v9.2.1. Released v1.0.0.
% 0.11/0.14 % Command : /export/starexec/sandbox2/solver/bin/execute.py 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.16/0.35 % Computer : n031.cluster.edu
% 0.16/0.35 % Model : x86_64 x86_64
% 0.16/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.35 % Memory : 8042.1875MB
% 0.16/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.16/0.35 % CPULimit : 300
% 0.16/0.35 % WCLimit : 300
% 0.16/0.35 % DateTime : Thu May 7 12:27:56 EDT 2026
% 0.16/0.35 % CPUTime :
% 0.16/0.35 SPASS-SCL-FOL version:
% 0.19/0.44 SPASS-SCL-FOL 0.1 (595c0c7b1) [parallel mode]
% 0.38/0.62 Starting: ./SPASS-SCL-FOL --heuristics_normal -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.38/0.62 Starting: ./SPASS-SCL-FOL --heuristics_resolution_1 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.38/0.62 Starting: ./SPASS-SCL-FOL --heuristics_resolution_2 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.38/0.62 Starting: ./SPASS-SCL-FOL --heuristics_resolution_3 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.38/0.62 Starting: ./SPASS-SCL-FOL --heuristics_lmodel_grow -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.38/0.62 Execution resolution_2 ended with status: unsatisfiable
% 0.38/0.62 Used heuristic: resolution_2
% 0.38/0.62
% 0.38/0.62 Input Clauses:
% 0.38/0.62
% 0.38/0.62 Predicates: is_a_theorem
% 0.38/0.62 Fol Constants: a b c
% 0.38/0.62 Fol Functions: equivalent
% 0.38/0.62 Problem Properties:
% 0.38/0.62 This is a full first-order problem without equality.
% 0.38/0.62
% 0.38/0.62 After reduction: Problem Properties:
% 0.38/0.62 This is a full first-order problem without equality.
% 0.38/0.62
% 0.38/0.62
% 0.38/0.62 Reduced Input Clauses:
% 0.38/0.62
% 0.38/0.62 Most General Atoms: is_a_theorem(x1)
% 0.38/0.62
% 0.38/0.62 === Starting SPASS-SCL-FOL A Little Less Naive, considering 40 atoms initially, heuristics mode: resolution_2 ===
% 0.38/0.62
% 0.38/0.62 === Clause set with instances from active satisfied. Growing active. New size: 41
% 0.38/0.62 === Restarting.
% 0.38/0.62 === Backtracking. Learning clause 4:2:3:[1.1,2.1]:TopTopTop: is_a_theorem(x0) -> is_a_theorem(equivalent(equivalent(x1,equivalent(x0,x2)),equivalent(x2,x1)))
% 0.38/0.62 === Clause set with instances from active satisfied. Growing active. New size: 42
% 0.38/0.62 === Restarting.
% 0.38/0.62 === Backtracking. Learning clause 5:2:1:[1.3,3.1]:Top: is_a_theorem(equivalent(x0,equivalent(equivalent(equivalent(a,b),c),equivalent(b,equivalent(c,a))))),is_a_theorem(x0) ->
% 0.38/0.62 === Clause set with instances from active satisfied. Growing active. New size: 45
% 0.38/0.62 === Restarting.
% 0.38/0.62 === Conflict found: 5:2:1:[1.3,3.1]:Top: is_a_theorem(equivalent(x0,equivalent(equivalent(equivalent(a,b),c),equivalent(b,equivalent(c,a))))),is_a_theorem(x0) -> {x0 -> equivalent(equivalent(b,equivalent(c,a)),equivalent(a,equivalent(equivalent(a,b),c)))}
% 0.38/0.62 === Backtracking. Learning clause 6:2:1:[5.1,4.2]:Top: is_a_theorem(equivalent(equivalent(b,equivalent(c,a)),equivalent(x0,equivalent(equivalent(a,b),c)))),is_a_theorem(x0) ->
% 0.38/0.62 === Clause set with instances from active satisfied. Growing active. New size: 48
% 0.38/0.62 === Restarting.
% 0.38/0.62 === Conflict found: 6:2:1:[5.1,4.2]:Top: is_a_theorem(equivalent(equivalent(b,equivalent(c,a)),equivalent(x0,equivalent(equivalent(a,b),c)))),is_a_theorem(x0) -> {x0 -> equivalent(c,equivalent(equivalent(b,equivalent(c,a)),equivalent(a,b)))}
% 0.38/0.62
% 0.38/0.62 SZS status Unsatisfiable
% 0.38/0.62
% 0.38/0.62 Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.38/0.62
% 0.38/0.62 SPASS-SCL-FOL Statistics:
% 0.38/0.62 Number of learned clauses: 3
% 0.38/0.62 Number of propagations: 84
% 0.38/0.62 Number of decisions: 95
% 0.38/0.62 Number of resolutions: 5
% 0.38/0.62 Number of condensations: 0
% 0.38/0.62 Number of sub resolutions: 0
% 0.38/0.62 Number of input literals (deduplicated): 4
% 0.38/0.62 Number of grows: 4
% 0.38/0.62 Number of considered ground atoms: 48
% 0.38/0.62
% 0.38/0.62 Needed: 0:00:00.04
% 0.38/0.62
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