%------------------------------------------------------------------------------ % File : SPASS-SCL---0.1 % Problem : MSC005-1 : 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 : n001.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 07:28:55 PM UTC 2026 % Result : Unsatisfiable 0.31s 0.52s % Output : Assurance 0s % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----No solution output by system %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.00/0.12 % Problem : MSC005-1 : TPTP v9.2.1. Released v1.0.0. % 0.00/0.13 % Command : /export/starexec/sandbox2/solver/bin/execute.py 300 /export/starexec/sandbox2/benchmark/theBenchmark.p % 0.16/0.34 % Computer : n001.cluster.edu % 0.16/0.34 % Model : x86_64 x86_64 % 0.16/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz % 0.16/0.34 % Memory : 8042.1875MB % 0.16/0.34 % OS : Linux 3.10.0-693.el7.x86_64 % 0.16/0.34 % CPULimit : 300 % 0.16/0.34 % WCLimit : 300 % 0.16/0.34 % DateTime : Thu May 7 12:43:34 EDT 2026 % 0.16/0.34 % CPUTime : % 0.16/0.34 SPASS-SCL-FOL version: % 0.21/0.43 SPASS-SCL-FOL 0.1 (595c0c7b1) [parallel mode] % 0.31/0.52 Starting: ./SPASS-SCL-FOL --heuristics_normal -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p % 0.31/0.52 Starting: ./SPASS-SCL-FOL --heuristics_resolution_1 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p % 0.31/0.52 Starting: ./SPASS-SCL-FOL --heuristics_resolution_2 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p % 0.31/0.52 Starting: ./SPASS-SCL-FOL --heuristics_resolution_3 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p % 0.31/0.52 Starting: ./SPASS-SCL-FOL --heuristics_lmodel_grow -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p % 0.31/0.52 Execution resolution_1 ended with status: unsatisfiable % 0.31/0.52 Used heuristic: resolution_1 % 0.31/0.52 % 0.31/0.52 Input Clauses: % 0.31/0.52 % 0.31/0.52 Predicates: value % 0.31/0.52 Fol Constants: truth falsity % 0.31/0.52 Fol Functions: xor % 0.31/0.52 Problem Properties: % 0.31/0.52 This is a full first-order problem without equality. % 0.31/0.52 % 0.31/0.52 After reduction: Problem Properties: % 0.31/0.52 This is a full first-order problem without equality. % 0.31/0.52 % 0.31/0.52 % 0.31/0.52 Reduced Input Clauses: % 0.31/0.52 % 0.31/0.52 Most General Atoms: value(x1,truth) value(x0,falsity) value(xor(xor(xor(xor(truth,falsity),falsity),truth),falsity),x0) % 0.31/0.52 % 0.31/0.52 === Starting SPASS-SCL-FOL A Little Less Naive, considering 6 atoms initially, heuristics mode: resolution_1 === % 0.31/0.52 % 0.31/0.52 === Backtracking. Learning clause 8:2:0:[5.3,7.1]:: value(xor(xor(xor(truth,falsity),falsity),truth),falsity),value(falsity,truth) -> % 0.31/0.52 === Backtracking. Learning clause 10:1:0:[2.0,9.1,4.3,7.1]:: value(xor(xor(xor(truth,falsity),falsity),truth),truth) -> % 0.31/0.52 === Clause set with instances from active satisfied. Growing active. New size: 10 % 0.31/0.52 === Restarting. % 0.31/0.52 === Backtracking. Learning clause 13:1:0:[2.0,11.0,1.0,12.2,6.3,7.1,3.3]:: value(xor(xor(truth,falsity),falsity),truth) -> % 0.31/0.52 === Clause set with instances from active satisfied. Growing active. New size: 12 % 0.31/0.52 === Restarting. % 0.31/0.52 === Backtracking. Learning clause 15:1:0:[1.0,14.0,5.3,13.1,3.3]:: value(falsity,truth) -> % 0.31/0.52 % 0.31/0.52 SZS status Unsatisfiable % 0.31/0.52 % 0.31/0.52 Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p % 0.31/0.52 % 0.31/0.52 SPASS-SCL-FOL Statistics: % 0.31/0.52 Number of learned clauses: 4 % 0.31/0.52 Number of propagations: 32 % 0.31/0.52 Number of decisions: 17 % 0.31/0.52 Number of resolutions: 10 % 0.31/0.52 Number of condensations: 0 % 0.31/0.52 Number of sub resolutions: 4 % 0.31/0.52 Number of input literals (deduplicated): 7 % 0.31/0.52 Number of grows: 2 % 0.31/0.52 Number of considered ground atoms: 12 % 0.31/0.52 % 0.31/0.52 Needed: 0:00:00.00 % 0.31/0.52 %------------------------------------------------------------------------------