%------------------------------------------------------------------------------
% File : E---3.5.1
% Problem : SET061-7 : TPTP v9.3.1. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp:raw
% Command : run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% Computer : n015.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 02:13:20 PM UTC 2026
% Result : Unsatisfiable 0.16s 5.46s
% Output : CNFRefutation 0.16s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 3
% Syntax : Number of clauses : 10 ( 8 unt; 2 nHn; 7 RR)
% Number of literals : 12 ( 3 equ; 4 neg)
% Maximal clause size : 2 ( 1 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 2 con; 0-2 aty)
% Number of variables : 10 ( 4 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(special_classes_lemma,axiom,
~ member(X1,intersection(complement(X2),X2)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',special_classes_lemma) ).
cnf(regularity1,axiom,
( member(regular(X1),X1)
| X1 = null_class ),
file('/export/starexec/sandbox2/benchmark/Axioms/SET004-0.ax',regularity1) ).
cnf(prove_existence_of_null_class_1,negated_conjecture,
member(z,null_class),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_existence_of_null_class_1) ).
cnf(c_0_3,plain,
~ member(X1,intersection(complement(X2),X2)),
inference(fof_simplification,[status(thm)],[special_classes_lemma]) ).
cnf(c_0_4,plain,
~ member(X1,intersection(complement(X2),X2)),
c_0_3 ).
cnf(c_0_5,axiom,
( member(regular(X1),X1)
| X1 = null_class ),
regularity1 ).
cnf(c_0_6,plain,
intersection(complement(X1),X1) = null_class,
inference(spm,[status(thm)],[c_0_4,c_0_5]) ).
cnf(c_0_7,negated_conjecture,
member(z,null_class),
prove_existence_of_null_class_1 ).
cnf(c_0_8,plain,
~ member(X1,null_class),
inference(rw,[status(thm)],[c_0_4,c_0_6]) ).
cnf(c_0_9,negated_conjecture,
$false,
inference(sr,[status(thm)],[c_0_7,c_0_8]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SET061-7 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.05 % Command : run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.11/5.38 % Computer : n015.cluster.edu
% 0.11/5.38 % Model : x86_64 x86_64
% 0.11/5.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/5.38 % Memory : 8046.5625MB
% 0.11/5.38 % OS : Linux 6.8.0-71-generic
% 0.11/5.38 % CPULimit : 300
% 0.11/5.38 % WCLimit : 300
% 0.11/5.38 % DateTime : Mon Sep 21 04:51:57 UTC 2026
% 0.11/5.39 % CPUTime :
% 0.11/5.39 Running run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.16/5.43 Running first-order theorem proving
% 0.16/5.43 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
% 0.16/5.46 % Version: 3.5.1
% 0.16/5.46 % Preprocessing class: FSLSSMSMSSSNFFN.
% 0.16/5.46 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.16/5.46 % Starting C07_19_nc_SOS_SAT001_MinMin_p005000_rr with 1500s (5) cores
% 0.16/5.46 % Starting new_bool_3 with 300s (1) cores
% 0.16/5.46 % Starting new_bool_1 with 300s (1) cores
% 0.16/5.46 % Starting sh5l with 300s (1) cores
% 0.16/5.46 % sh5l with pid 595671 completed with status 0
% 0.16/5.46 % Result found by sh5l
% 0.16/5.46 % Preprocessing class: FSLSSMSMSSSNFFN.
% 0.16/5.46 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.16/5.46 % Starting C07_19_nc_SOS_SAT001_MinMin_p005000_rr with 1500s (5) cores
% 0.16/5.46 % Starting new_bool_3 with 300s (1) cores
% 0.16/5.46 % Starting new_bool_1 with 300s (1) cores
% 0.16/5.46 % Starting sh5l with 300s (1) cores
% 0.16/5.46 % (lift_lambdas = 0, lambda_to_forall = 0,unroll_only_formulas = 0, sine = gf500_gu_R04_F100_L20000)
% 0.16/5.46 % SinE strategy is gf500_gu_R04_F100_L20000
% 0.16/5.46 % Search class: FGHSM-FFMM31-MFFFFFNN
% 0.16/5.46 % Scheduled 13 strats onto 1 cores with 300 seconds (300 total)
% 0.16/5.46 % Starting SubtermCWHack with 28s (1) cores
% 0.16/5.46 % SubtermCWHack with pid 595674 completed with status 0
% 0.16/5.46 % Result found by SubtermCWHack
% 0.16/5.46 % Preprocessing class: FSLSSMSMSSSNFFN.
% 0.16/5.46 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.16/5.46 % Starting C07_19_nc_SOS_SAT001_MinMin_p005000_rr with 1500s (5) cores
% 0.16/5.46 % Starting new_bool_3 with 300s (1) cores
% 0.16/5.46 % Starting new_bool_1 with 300s (1) cores
% 0.16/5.46 % Starting sh5l with 300s (1) cores
% 0.16/5.46 % (lift_lambdas = 0, lambda_to_forall = 0,unroll_only_formulas = 0, sine = gf500_gu_R04_F100_L20000)
% 0.16/5.46 % SinE strategy is gf500_gu_R04_F100_L20000
% 0.16/5.46 % Search class: FGHSM-FFMM31-MFFFFFNN
% 0.16/5.46 % Scheduled 13 strats onto 1 cores with 300 seconds (300 total)
% 0.16/5.46 % Starting SubtermCWHack with 28s (1) cores
% 0.16/5.46 % Preprocessing time : 0.002 s
% 0.16/5.46
% 0.16/5.46 % Proof found!
% 0.16/5.46 % SZS status Unsatisfiable
% 0.16/5.46 % SZS output start CNFRefutation
% See solution above
% 0.16/5.46 % Parsed axioms : 103
% 0.16/5.46 % Removed by relevancy pruning/SinE : 7
% 0.16/5.46 % Initial clauses : 96
% 0.16/5.46 % Removed in clause preprocessing : 0
% 0.16/5.46 % Initial clauses in saturation : 96
% 0.16/5.46 % Processed clauses : 29
% 0.16/5.46 % ...of these trivial : 0
% 0.16/5.46 % ...subsumed : 0
% 0.16/5.46 % ...remaining for further processing : 29
% 0.16/5.46 % Other redundant clauses eliminated : 2
% 0.16/5.46 % Clauses deleted for lack of memory : 0
% 0.16/5.46 % Backward-subsumed : 0
% 0.16/5.46 % Backward-rewritten : 1
% 0.16/5.46 % Generated clauses : 7
% 0.16/5.46 % ...of the previous two non-redundant : 4
% 0.16/5.46 % ...aggressively subsumed : 0
% 0.16/5.46 % Contextual simplify-reflections : 0
% 0.16/5.46 % Paramodulations : 4
% 0.16/5.46 % Factorizations : 0
% 0.16/5.46 % NegExts : 0
% 0.16/5.46 % Equation resolutions : 2
% 0.16/5.46 % Disequality decompositions : 0
% 0.16/5.46 % Total rewrite steps : 4
% 0.16/5.46 % ...of those cached : 1
% 0.16/5.46 % Propositional unsat checks : 0
% 0.16/5.46 % Propositional check models : 0
% 0.16/5.46 % Propositional check unsatisfiable : 0
% 0.16/5.46 % Propositional clauses : 0
% 0.16/5.46 % Propositional clauses after purity: 0
% 0.16/5.46 % Propositional unsat core size : 0
% 0.16/5.46 % Propositional preprocessing time : 0.000
% 0.16/5.46 % Propositional encoding time : 0.000
% 0.16/5.46 % Propositional solver time : 0.000
% 0.16/5.46 % Success case prop preproc time : 0.000
% 0.16/5.46 % Success case prop encoding time : 0.000
% 0.16/5.46 % Success case prop solver time : 0.000
% 0.16/5.46 % Current number of processed clauses : 25
% 0.16/5.46 % Positive orientable unit clauses : 14
% 0.16/5.46 % Positive unorientable unit clauses: 0
% 0.16/5.46 % Negative unit clauses : 1
% 0.16/5.46 % Non-unit-clauses : 10
% 0.16/5.46 % Current number of unprocessed clauses: 71
% 0.16/5.46 % ...number of literals in the above : 159
% 0.16/5.46 % Current number of archived formulas : 0
% 0.16/5.46 % Current number of archived clauses : 2
% 0.16/5.46 % Clause-clause subsumption calls (NU) : 26
% 0.16/5.46 % Rec. Clause-clause subsumption calls : 20
% 0.16/5.46 % Non-unit clause-clause subsumptions : 0
% 0.16/5.46 % Unit Clause-clause subsumption calls : 7
% 0.16/5.46 % Rewrite failures with RHS unbound : 0
% 0.16/5.46 % BW rewrite match attempts : 3
% 0.16/5.46 % BW rewrite match successes : 1
% 0.16/5.46 % Condensation attempts : 0
% 0.16/5.46 % Condensation successes : 0
% 0.16/5.46 % Termbank termtop insertions : 2444
% 0.16/5.46 % Search garbage collected termcells : 200
% 0.16/5.46
% 0.16/5.46 % -------------------------------------------------
% 0.16/5.46 % User time : 0.005 s
% 0.16/5.46 % System time : 0.004 s
% 0.16/5.46 % Total time : 0.008 s
% 0.16/5.46 % Maximum resident set size: 3720 pages
% 0.16/5.46
% 0.16/5.46 % -------------------------------------------------
% 0.16/5.46 % User time : 0.010 s
% 0.16/5.46 % System time : 0.007 s
% 0.16/5.46 % Total time : 0.017 s
% 0.16/5.46 % Maximum resident set size: 4864 pages
% 0.16/5.46 % E exiting
%------------------------------------------------------------------------------