%------------------------------------------------------------------------------
% File : SPASS-SCL---0.1
% Problem : PUZ021-1 : TPTP v9.2.1. Released v1.0.0.
% Transfm : none
% Format : tptp
% Command : /export/starexec/sandbox/solver/bin/execute.py 300 /export/starexec/sandbox/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 07:31:25 PM UTC 2026
% Result : Unsatisfiable 1.04s 0.73s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : PUZ021-1 : TPTP v9.2.1. Released v1.0.0.
% 0.12/0.13 % Command : /export/starexec/sandbox/solver/bin/execute.py 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.16/0.34 % Computer : n021.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 12:58:43 EDT 2026
% 0.16/0.34 % CPUTime :
% 0.16/0.34 SPASS-SCL-FOL version:
% 0.19/0.43 SPASS-SCL-FOL 0.1 (595c0c7b1) [parallel mode]
% 1.04/0.73 Starting: ./SPASS-SCL-FOL --heuristics_normal -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 1.04/0.73 Starting: ./SPASS-SCL-FOL --heuristics_resolution_1 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 1.04/0.73 Starting: ./SPASS-SCL-FOL --heuristics_resolution_2 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 1.04/0.73 Starting: ./SPASS-SCL-FOL --heuristics_resolution_3 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 1.04/0.73 Starting: ./SPASS-SCL-FOL --heuristics_lmodel_grow -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 1.04/0.73 Execution normal ended with status: unsatisfiable
% 1.04/0.73 Used heuristic: normal
% 1.04/0.73
% 1.04/0.73 Input Clauses:
% 1.04/0.73
% 1.04/0.73 Predicates: a_truth says
% 1.04/0.73 Fol Constants: me
% 1.04/0.73 Fol Functions: knight knave rich poor and
% 1.04/0.73 Problem Properties:
% 1.04/0.73 This is a full first-order problem without equality.
% 1.04/0.73
% 1.04/0.73 After reduction: Problem Properties:
% 1.04/0.73 This is a full first-order problem without equality.
% 1.04/0.73
% 1.04/0.73
% 1.04/0.73 Reduced Input Clauses:
% 1.04/0.73
% 1.04/0.73 Most General Atoms: says(x0,x2) a_truth(x0,x1)
% 1.04/0.73
% 1.04/0.73 === Starting SPASS-SCL-FOL A Little Less Naive, considering 54 atoms initially, heuristics mode: normal ===
% 1.04/0.73
% 1.04/0.73 === Backtracking. Learning clause 14:4:4:[2.2,11.1,6.1]:TopTopTopTop: a_truth(x0,x1),a_truth(x2,x1) -> a_truth(and(knave(x3),x0),x1),says(x3,x2)
% 1.04/0.73 === Conflict found: 14:4:4:[2.2,11.1,6.1]:TopTopTopTop: a_truth(x0,x1),a_truth(x2,x1) -> a_truth(and(knave(x3),x0),x1),says(x3,x2) {x0 -> rich(me), x1 -> poor(me), x2 -> rich(me), x3 -> me}
% 1.04/0.73 === Backtracking. Learning clause 15:4:2:[14.3,12.2,8.3,2.2]:TopTop: says(me,x0) -> says(me,rich(me)),says(x1,rich(me)),a_truth(knight(x1),x0)
% 1.04/0.73 === Clause set with instances from active satisfied. Growing active. New size: 118
% 1.04/0.73 === Clause set with instances from active satisfied. Growing active. New size: 182
% 1.04/0.73 === Backtracking. Learning clause 16:3:4:[7.1,9.2]:TopTopTopTop: says(x0,x1),a_truth(x1,x2),a_truth(and(knave(x0),x3),x2) ->
% 1.04/0.73 === Backtracking. Learning clause 17:4:2:[8.2,12.1,3.2,11.3]:TopTop: a_truth(knave(me),x0),a_truth(rich(x1),x0),a_truth(knave(me),poor(x1)),a_truth(rich(me),poor(x1)) ->
% 1.04/0.73 === Backtracking. Learning clause 18:1:0:[7.2,13.1,4.2,10.1,17.2,2.2]:: -> a_truth(knight(me),poor(me))
% 1.04/0.73 === Backtracking. Learning clause 19:3:3:[8.2,5.2,10.1,9.2,16.2,13.2,9.1,6.2,7.2]:TopTopTop: says(me,x0),a_truth(knight(me),x1),a_truth(knave(me),x2) ->
% 1.04/0.73
% 1.04/0.73 SZS status Unsatisfiable
% 1.04/0.73
% 1.04/0.73 Problem: /export/starexec/sandbox/benchmark/theBenchmark.p
% 1.04/0.73
% 1.04/0.73 SPASS-SCL-FOL Statistics:
% 1.04/0.73 Number of learned clauses: 6
% 1.04/0.73 Number of propagations: 317
% 1.04/0.73 Number of decisions: 22
% 1.04/0.73 Number of resolutions: 31
% 1.04/0.73 Number of condensations: 1
% 1.04/0.73 Number of sub resolutions: 0
% 1.04/0.73 Number of input literals (deduplicated): 9
% 1.04/0.73 Number of grows: 2
% 1.04/0.73 Number of considered ground atoms: 182
% 1.04/0.73
% 1.04/0.73 Needed: 0:00:00.16
% 1.04/0.73
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