%------------------------------------------------------------------------------
% File : E-SAT---3.5.1
% Problem : SET113-7 : TPTP v9.3.1. Bugfixed v7.3.0.
% Transfm : none
% Format : tptp:raw
% Command : run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% Computer : n001.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Thu Sep 24 02:16:35 PM UTC 2026
% Result : Unsatisfiable 0.24s 0.58s
% Output : CNFRefutation 0.24s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 3
% Syntax : Number of clauses : 9 ( 7 unt; 2 nHn; 7 RR)
% Number of literals : 11 ( 5 equ; 6 neg)
% Maximal clause size : 2 ( 1 avg)
% Maximal term depth : 3 ( 2 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 2 con; 0-2 aty)
% Number of variables : 2 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(prove_unique_1st_and_2nd_in_pair_of_non_sets1_1,negated_conjecture,
~ member(ordered_pair(first(x),second(x)),cross_product(universal_class,universal_class)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_unique_1st_and_2nd_in_pair_of_non_sets1_1) ).
cnf(prove_unique_1st_in_pair_of_non_sets,negated_conjecture,
first(x) != x,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_unique_1st_in_pair_of_non_sets) ).
cnf(existence_of_1st_and_2nd_2,axiom,
( first(X1) = X1
| member(ordered_pair(first(X1),second(X1)),cross_product(universal_class,universal_class)) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_of_1st_and_2nd_2) ).
cnf(c_0_3,negated_conjecture,
~ member(ordered_pair(first(x),second(x)),cross_product(universal_class,universal_class)),
inference(fof_simplification,[status(thm)],[prove_unique_1st_and_2nd_in_pair_of_non_sets1_1]) ).
cnf(c_0_4,negated_conjecture,
first(x) != x,
inference(fof_simplification,[status(thm)],[prove_unique_1st_in_pair_of_non_sets]) ).
cnf(c_0_5,negated_conjecture,
~ member(ordered_pair(first(x),second(x)),cross_product(universal_class,universal_class)),
c_0_3 ).
cnf(c_0_6,axiom,
( first(X1) = X1
| member(ordered_pair(first(X1),second(X1)),cross_product(universal_class,universal_class)) ),
existence_of_1st_and_2nd_2 ).
cnf(c_0_7,negated_conjecture,
first(x) != x,
c_0_4 ).
cnf(c_0_8,negated_conjecture,
$false,
inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_5,c_0_6]),c_0_7]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : SET113-7 : TPTP v9.3.1. Bugfixed v7.3.0.
% 0.00/0.08 % Command : run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.19/0.46 % Computer : n001.cluster.edu
% 0.19/0.46 % Model : x86_64 x86_64
% 0.19/0.46 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.19/0.46 % Memory : 8046.5625MB
% 0.19/0.46 % OS : Linux 6.8.0-71-generic
% 0.19/0.46 % CPULimit : 300
% 0.19/0.46 % WCLimit : 300
% 0.19/0.46 % DateTime : Mon Sep 21 04:59:43 UTC 2026
% 0.19/0.46 % CPUTime :
% 0.19/0.46 Running run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.24/0.52 Running first-order theorem proving
% 0.24/0.53 Running: /export/starexec/sandbox2/solver/bin/eprover --delete-bad-limit=2000000000 --definitional-cnf=24 -s --print-statistics -R --print-version --proof-object --auto-schedule=8 --cpu-limit=300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.24/0.58 % Version: 3.5.1
% 0.24/0.58 % Preprocessing class: FSLSSMSMSSSNFFN.
% 0.24/0.58 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.24/0.58 % Starting C07_19_nc_SOS_SAT001_MinMin_p005000_rr with 1500s (5) cores
% 0.24/0.58 % Starting new_bool_3 with 300s (1) cores
% 0.24/0.58 % Starting new_bool_1 with 300s (1) cores
% 0.24/0.58 % Starting sh5l with 300s (1) cores
% 0.24/0.58 % new_bool_3 with pid 2238276 completed with status 0
% 0.24/0.58 % Result found by new_bool_3
% 0.24/0.58 % Preprocessing class: FSLSSMSMSSSNFFN.
% 0.24/0.58 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.24/0.58 % Starting C07_19_nc_SOS_SAT001_MinMin_p005000_rr with 1500s (5) cores
% 0.24/0.58 % Starting new_bool_3 with 300s (1) cores
% 0.24/0.58 % (lift_lambdas = 0, lambda_to_forall = 0,unroll_only_formulas = 0, sine = GSinE(CountFormulas,hypos,1.5,,3,20000,1.0))
% 0.24/0.58 % SinE strategy is GSinE(CountFormulas,hypos,1.5,,3,20000,1.0)
% 0.24/0.58 % Search class: FGHSM-FFMF21-MFFFFFNN
% 0.24/0.58 % Scheduled 5 strats onto 1 cores with 300 seconds (300 total)
% 0.24/0.58 % Starting SubtermCWHack with 31s (1) cores
% 0.24/0.58 % SubtermCWHack with pid 2238279 completed with status 0
% 0.24/0.58 % Result found by SubtermCWHack
% 0.24/0.58 % Preprocessing class: FSLSSMSMSSSNFFN.
% 0.24/0.58 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.24/0.58 % Starting C07_19_nc_SOS_SAT001_MinMin_p005000_rr with 1500s (5) cores
% 0.24/0.58 % Starting new_bool_3 with 300s (1) cores
% 0.24/0.58 % (lift_lambdas = 0, lambda_to_forall = 0,unroll_only_formulas = 0, sine = GSinE(CountFormulas,hypos,1.5,,3,20000,1.0))
% 0.24/0.58 % SinE strategy is GSinE(CountFormulas,hypos,1.5,,3,20000,1.0)
% 0.24/0.58 % Search class: FGHSM-FFMF21-MFFFFFNN
% 0.24/0.58 % Scheduled 5 strats onto 1 cores with 300 seconds (300 total)
% 0.24/0.58 % Starting SubtermCWHack with 31s (1) cores
% 0.24/0.58 % Preprocessing time : 0.003 s
% 0.24/0.58
% 0.24/0.58 % Proof found!
% 0.24/0.58 % SZS status Unsatisfiable
% 0.24/0.58 % SZS output start CNFRefutation
% See solution above
% 0.24/0.58 % Parsed axioms : 161
% 0.24/0.58 % Removed by relevancy pruning/SinE : 95
% 0.24/0.58 % Initial clauses : 66
% 0.24/0.58 % Removed in clause preprocessing : 0
% 0.24/0.58 % Initial clauses in saturation : 66
% 0.24/0.58 % Processed clauses : 220
% 0.24/0.58 % ...of these trivial : 14
% 0.24/0.58 % ...subsumed : 106
% 0.24/0.58 % ...remaining for further processing : 100
% 0.24/0.58 % Other redundant clauses eliminated : 14
% 0.24/0.58 % Clauses deleted for lack of memory : 0
% 0.24/0.58 % Backward-subsumed : 4
% 0.24/0.58 % Backward-rewritten : 1
% 0.24/0.58 % Generated clauses : 905
% 0.24/0.58 % ...of the previous two non-redundant : 569
% 0.24/0.58 % ...aggressively subsumed : 0
% 0.24/0.58 % Contextual simplify-reflections : 0
% 0.24/0.58 % Paramodulations : 888
% 0.24/0.58 % Factorizations : 0
% 0.24/0.58 % NegExts : 0
% 0.24/0.58 % Equation resolutions : 17
% 0.24/0.58 % Disequality decompositions : 0
% 0.24/0.58 % Total rewrite steps : 364
% 0.24/0.58 % ...of those cached : 286
% 0.24/0.58 % Propositional unsat checks : 0
% 0.24/0.58 % Propositional check models : 0
% 0.24/0.58 % Propositional check unsatisfiable : 0
% 0.24/0.58 % Propositional clauses : 0
% 0.24/0.58 % Propositional clauses after purity: 0
% 0.24/0.58 % Propositional unsat core size : 0
% 0.24/0.58 % Propositional preprocessing time : 0.000
% 0.24/0.58 % Propositional encoding time : 0.000
% 0.24/0.58 % Propositional solver time : 0.000
% 0.24/0.58 % Success case prop preproc time : 0.000
% 0.24/0.58 % Success case prop encoding time : 0.000
% 0.24/0.58 % Success case prop solver time : 0.000
% 0.24/0.58 % Current number of processed clauses : 93
% 0.24/0.58 % Positive orientable unit clauses : 33
% 0.24/0.58 % Positive unorientable unit clauses: 2
% 0.24/0.58 % Negative unit clauses : 5
% 0.24/0.58 % Non-unit-clauses : 53
% 0.24/0.58 % Current number of unprocessed clauses: 410
% 0.24/0.58 % ...number of literals in the above : 1128
% 0.24/0.58 % Current number of archived formulas : 0
% 0.24/0.58 % Current number of archived clauses : 5
% 0.24/0.58 % Clause-clause subsumption calls (NU) : 381
% 0.24/0.58 % Rec. Clause-clause subsumption calls : 353
% 0.24/0.58 % Non-unit clause-clause subsumptions : 95
% 0.24/0.58 % Unit Clause-clause subsumption calls : 17
% 0.24/0.58 % Rewrite failures with RHS unbound : 0
% 0.24/0.58 % BW rewrite match attempts : 18
% 0.24/0.58 % BW rewrite match successes : 10
% 0.24/0.58 % Condensation attempts : 0
% 0.24/0.58 % Condensation successes : 0
% 0.24/0.58 % Termbank termtop insertions : 9372
% 0.24/0.58 % Search garbage collected termcells : 521
% 0.24/0.58
% 0.24/0.58 % -------------------------------------------------
% 0.24/0.58 % User time : 0.026 s
% 0.24/0.58 % System time : 0.004 s
% 0.24/0.58 % Total time : 0.030 s
% 0.24/0.58 % Maximum resident set size: 3756 pages
% 0.24/0.58
% 0.24/0.58 % -------------------------------------------------
% 0.24/0.58 % User time : 0.029 s
% 0.24/0.58 % System time : 0.009 s
% 0.24/0.58 % Total time : 0.038 s
% 0.24/0.58 % Maximum resident set size: 4864 pages
% 0.24/0.58 % E exiting
%------------------------------------------------------------------------------