%------------------------------------------------------------------------------ % File : SPASS-SCL---0.1 % Problem : PUZ035-7 : TPTP v9.2.1. Released v2.0.0. % Transfm : none % Format : tptp % Command : /export/starexec/sandbox/solver/bin/execute.py 300 /export/starexec/sandbox/benchmark/theBenchmark.p % Computer : n025.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 07:31:27 PM UTC 2026 % Result : Unsatisfiable 0.37s 0.55s % Output : Assurance 0s % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----No solution output by system %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.12/0.14 % Problem : PUZ035-7 : TPTP v9.2.1. Released v2.0.0. % 0.12/0.14 % Command : /export/starexec/sandbox/solver/bin/execute.py 300 /export/starexec/sandbox/benchmark/theBenchmark.p % 0.17/0.36 % Computer : n025.cluster.edu % 0.17/0.36 % Model : x86_64 x86_64 % 0.17/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz % 0.17/0.36 % Memory : 8042.1875MB % 0.17/0.36 % OS : Linux 3.10.0-693.el7.x86_64 % 0.17/0.36 % CPULimit : 300 % 0.17/0.36 % WCLimit : 300 % 0.17/0.36 % DateTime : Thu May 7 12:58:14 EDT 2026 % 0.17/0.36 % CPUTime : % 0.17/0.36 SPASS-SCL-FOL version: % 0.28/0.45 SPASS-SCL-FOL 0.1 (595c0c7b1) [parallel mode] % 0.37/0.55 Starting: ./SPASS-SCL-FOL --heuristics_normal -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p % 0.37/0.55 Starting: ./SPASS-SCL-FOL --heuristics_resolution_1 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p % 0.37/0.55 Starting: ./SPASS-SCL-FOL --heuristics_resolution_2 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p % 0.37/0.55 Starting: ./SPASS-SCL-FOL --heuristics_resolution_3 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p % 0.37/0.55 Starting: ./SPASS-SCL-FOL --heuristics_lmodel_grow -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p % 0.37/0.55 Execution normal ended with status: unsatisfiable % 0.37/0.55 Used heuristic: normal % 0.37/0.55 % 0.37/0.55 Input Clauses: % 0.37/0.55 % 0.37/0.55 Predicates: truth reply % 0.37/0.55 Fol Constants: knight knave yes no asked other % 0.37/0.55 Fol Functions: isa not or % 0.37/0.55 Problem Properties: % 0.37/0.55 This is a full first-order problem without equality. % 0.37/0.55 % 0.37/0.55 After reduction: Problem Properties: % 0.37/0.55 This is a full first-order problem without equality. % 0.37/0.55 % 0.37/0.55 % 0.37/0.55 Reduced Input Clauses: % 0.37/0.55 % 0.37/0.55 Most General Atoms: truth(x0) reply(x1,x0,yes) reply(x0,x1,no) reply(asked,or(isa(asked,knight),isa(other,knight)),x0) % 0.37/0.55 % 0.37/0.55 === Starting SPASS-SCL-FOL A Little Less Naive, considering 50 atoms initially, heuristics mode: normal === % 0.37/0.55 % 0.37/0.55 === Backtracking. Learning clause 15:2:2:[7.2,14.1,14.1]:TopTop: truth(isa(asked,x0)),truth(isa(other,x1)) -> % 0.37/0.55 === Backtracking. Learning clause 16:1:0:[1.2,15.2,15.2,1.1]:: -> truth(isa(asked,knave)) % 0.37/0.55 % 0.37/0.55 SZS status Unsatisfiable % 0.37/0.55 % 0.37/0.55 Problem: /export/starexec/sandbox/benchmark/theBenchmark.p % 0.37/0.55 % 0.37/0.55 SPASS-SCL-FOL Statistics: % 0.37/0.55 Number of learned clauses: 2 % 0.37/0.55 Number of propagations: 38 % 0.37/0.55 Number of decisions: 14 % 0.37/0.55 Number of resolutions: 8 % 0.37/0.55 Number of condensations: 1 % 0.37/0.55 Number of sub resolutions: 0 % 0.37/0.55 Number of input literals (deduplicated): 10 % 0.37/0.55 Number of grows: 0 % 0.37/0.55 Number of considered ground atoms: 50 % 0.37/0.55 % 0.37/0.55 Needed: 0:00:00.01 % 0.37/0.55 %------------------------------------------------------------------------------