%------------------------------------------------------------------------------
% File : SPASS-SCL---0.1
% Problem : PLA020-1 : TPTP v9.2.1. Released v1.1.0.
% Transfm : none
% Format : tptp
% Command : /export/starexec/sandbox/solver/bin/execute.py 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n018.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 07:31:13 PM UTC 2026
% Result : Unsatisfiable 0.37s 0.54s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.13 % Problem : PLA020-1 : TPTP v9.2.1. Released v1.1.0.
% 0.12/0.14 % Command : /export/starexec/sandbox/solver/bin/execute.py 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.17/0.36 % Computer : n018.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 12:56:02 EDT 2026
% 0.17/0.36 % CPUTime :
% 0.17/0.36 SPASS-SCL-FOL version:
% 0.29/0.45 SPASS-SCL-FOL 0.1 (595c0c7b1) [parallel mode]
% 0.37/0.54 Starting: ./SPASS-SCL-FOL --heuristics_normal -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.37/0.54 Starting: ./SPASS-SCL-FOL --heuristics_resolution_1 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.37/0.54 Starting: ./SPASS-SCL-FOL --heuristics_resolution_2 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.37/0.54 Starting: ./SPASS-SCL-FOL --heuristics_resolution_3 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.37/0.54 Starting: ./SPASS-SCL-FOL --heuristics_lmodel_grow -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.37/0.54 Execution resolution_1 ended with status: unsatisfiable
% 0.37/0.54 Used heuristic: resolution_1
% 0.37/0.54
% 0.37/0.54 Input Clauses:
% 0.37/0.54
% 0.37/0.54 Predicates: holds differ
% 0.37/0.54 Fol Constants: empty table a b c d s0
% 0.37/0.54 Fol Functions: and holding pickup do clear on putdown
% 0.37/0.54 Problem Properties:
% 0.37/0.54 This is a full first-order problem without equality.
% 0.37/0.54
% 0.37/0.54 After reduction: Problem Properties:
% 0.37/0.54 This is a full first-order problem without equality.
% 0.37/0.54
% 0.37/0.54
% 0.37/0.54 Reduced Input Clauses:
% 0.37/0.54
% 0.37/0.54 Most General Atoms: holds(x2,x1) differ(x1,x0)
% 0.37/0.54
% 0.37/0.54 === Starting SPASS-SCL-FOL A Little Less Naive, considering 17 atoms initially, heuristics mode: resolution_1 ===
% 0.37/0.54
% 0.37/0.54 === Backtracking. Learning clause 32:1:0:[11.1,15.1]:: -> differ(table,a)
% 0.37/0.54 === Backtracking. Learning clause 33:1:0:[11.1,18.1]:: -> differ(table,b)
% 0.37/0.54 === Backtracking. Learning clause 34:1:0:[11.1,20.1]:: -> differ(table,c)
% 0.37/0.54 === Backtracking. Learning clause 35:1:0:[11.1,21.1]:: -> differ(table,d)
% 0.37/0.54 === Backtracking. Learning clause 36:3:2:[3.4,31.1]:TopTop: holds(on(x0,d),x1),holds(clear(x0),x1),holds(empty,x1) ->
% 0.37/0.54 === Backtracking. Learning clause 37:2:2:[8.3,31.1]:TopTop: holds(holding(d),x0),holds(clear(x1),x0) ->
% 0.37/0.54 === Clause set with instances from active satisfied. Growing active. New size: 38
% 0.37/0.54 === Restarting.
% 0.37/0.54 === Conflict found: 36:3:2:[3.4,31.1]:TopTop: holds(on(x0,d),x1),holds(clear(x0),x1),holds(empty,x1) -> {x0 -> c, x1 -> s0}
% 0.37/0.54
% 0.37/0.54 SZS status Unsatisfiable
% 0.37/0.54
% 0.37/0.54 Problem: /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.37/0.54
% 0.37/0.54 SPASS-SCL-FOL Statistics:
% 0.37/0.54 Number of learned clauses: 6
% 0.37/0.54 Number of propagations: 51
% 0.37/0.54 Number of decisions: 30
% 0.37/0.54 Number of resolutions: 9
% 0.37/0.54 Number of condensations: 0
% 0.37/0.54 Number of sub resolutions: 0
% 0.37/0.54 Number of input literals (deduplicated): 36
% 0.37/0.54 Number of grows: 1
% 0.37/0.54 Number of considered ground atoms: 38
% 0.37/0.54
% 0.37/0.54 Needed: 0:00:00.00
% 0.37/0.54
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