%------------------------------------------------------------------------------
% File : E-SAT---3.5.1
% Problem : SET077-6 : TPTP v9.3.1. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp:raw
% Command : run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% Computer : n014.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 02:16:25 PM UTC 2026
% Result : Unsatisfiable 0.24s 0.59s
% Output : CNFRefutation 0.24s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 3
% Syntax : Number of clauses : 9 ( 9 unt; 0 nHn; 5 RR)
% Number of literals : 9 ( 2 equ; 4 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 2 con; 0-2 aty)
% Number of variables : 6 ( 4 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(prove_singletons_are_sets_1,negated_conjecture,
~ member(singleton(x),universal_class),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_singletons_are_sets_1) ).
cnf(singleton_set,axiom,
unordered_pair(X1,X1) = singleton(X1),
file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',singleton_set) ).
cnf(unordered_pairs_in_universal,axiom,
member(unordered_pair(X1,X2),universal_class),
file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',unordered_pairs_in_universal) ).
cnf(c_0_3,negated_conjecture,
~ member(singleton(x),universal_class),
inference(fof_simplification,[status(thm)],[prove_singletons_are_sets_1]) ).
cnf(c_0_4,negated_conjecture,
~ member(singleton(x),universal_class),
c_0_3 ).
cnf(c_0_5,axiom,
unordered_pair(X1,X1) = singleton(X1),
singleton_set ).
cnf(c_0_6,negated_conjecture,
~ member(unordered_pair(x,x),universal_class),
inference(rw,[status(thm)],[c_0_4,c_0_5]) ).
cnf(c_0_7,axiom,
member(unordered_pair(X1,X2),universal_class),
unordered_pairs_in_universal ).
cnf(c_0_8,negated_conjecture,
$false,
inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_6,c_0_7])]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : SET077-6 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.08 % Command : run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.19/0.46 % Computer : n014.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 04:49:49 UTC 2026
% 0.19/0.47 % CPUTime :
% 0.19/0.47 Running run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.24/0.54 Running first-order theorem proving
% 0.24/0.55 Running: /export/starexec/sandbox/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/sandbox/benchmark/theBenchmark.p
% 0.24/0.59 % Version: 3.5.1
% 0.24/0.59 % Preprocessing class: FSLSSMSMSSSNFFN.
% 0.24/0.59 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.24/0.59 % Starting C07_19_nc_SOS_SAT001_MinMin_p005000_rr with 1500s (5) cores
% 0.24/0.59 % Starting new_bool_3 with 300s (1) cores
% 0.24/0.59 % Starting new_bool_1 with 300s (1) cores
% 0.24/0.59 % Starting sh5l with 300s (1) cores
% 0.24/0.59 % C07_19_nc_SOS_SAT001_MinMin_p005000_rr with pid 3172128 completed with status 0
% 0.24/0.59 % Result found by C07_19_nc_SOS_SAT001_MinMin_p005000_rr
% 0.24/0.59 % Preprocessing class: FSLSSMSMSSSNFFN.
% 0.24/0.59 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.24/0.59 % Starting C07_19_nc_SOS_SAT001_MinMin_p005000_rr with 1500s (5) cores
% 0.24/0.59 % (lift_lambdas = 1, lambda_to_forall = 1,unroll_only_formulas = 1, sine = Auto)
% 0.24/0.59 % No SInE strategy applied
% 0.24/0.59 % Search class: FGHSM-FFLM31-DFFFFFNN
% 0.24/0.59 % Scheduled 7 strats onto 5 cores with 1500 seconds (1500 total)
% 0.24/0.59 % Starting SubtermCWHack with 136s (1) cores
% 0.24/0.59 % Starting C07_19_nc_SOS_SAT001_MinMin_p005000_rr with 151s (1) cores
% 0.24/0.59 % Starting new_bool_3 with 311s (1) cores
% 0.24/0.59 % Starting new_bool_1 with 308s (1) cores
% 0.24/0.59 % Starting sh5l with 304s (1) cores
% 0.24/0.59 % sh5l with pid 3172139 completed with status 0
% 0.24/0.59 % Result found by sh5l
% 0.24/0.59 % Preprocessing class: FSLSSMSMSSSNFFN.
% 0.24/0.59 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.24/0.59 % Starting C07_19_nc_SOS_SAT001_MinMin_p005000_rr with 1500s (5) cores
% 0.24/0.59 % (lift_lambdas = 1, lambda_to_forall = 1,unroll_only_formulas = 1, sine = Auto)
% 0.24/0.59 % No SInE strategy applied
% 0.24/0.59 % Search class: FGHSM-FFLM31-DFFFFFNN
% 0.24/0.59 % Scheduled 7 strats onto 5 cores with 1500 seconds (1500 total)
% 0.24/0.59 % Starting SubtermCWHack with 136s (1) cores
% 0.24/0.59 % Starting C07_19_nc_SOS_SAT001_MinMin_p005000_rr with 151s (1) cores
% 0.24/0.59 % Starting new_bool_3 with 311s (1) cores
% 0.24/0.59 % Starting new_bool_1 with 308s (1) cores
% 0.24/0.59 % Starting sh5l with 304s (1) cores
% 0.24/0.59 % Preprocessing time : 0.004 s
% 0.24/0.59 % Presaturation interreduction done
% 0.24/0.59
% 0.24/0.59 % Proof found!
% 0.24/0.59 % SZS status Unsatisfiable
% 0.24/0.59 % SZS output start CNFRefutation
% See solution above
% 0.24/0.59 % Parsed axioms : 92
% 0.24/0.59 % Removed by relevancy pruning/SinE : 0
% 0.24/0.59 % Initial clauses : 92
% 0.24/0.59 % Removed in clause preprocessing : 15
% 0.24/0.59 % Initial clauses in saturation : 77
% 0.24/0.59 % Processed clauses : 7
% 0.24/0.59 % ...of these trivial : 0
% 0.24/0.59 % ...subsumed : 0
% 0.24/0.59 % ...remaining for further processing : 7
% 0.24/0.59 % Other redundant clauses eliminated : 0
% 0.24/0.59 % Clauses deleted for lack of memory : 0
% 0.24/0.59 % Backward-subsumed : 0
% 0.24/0.59 % Backward-rewritten : 1
% 0.24/0.59 % Generated clauses : 0
% 0.24/0.59 % ...of the previous two non-redundant : 0
% 0.24/0.59 % ...aggressively subsumed : 0
% 0.24/0.59 % Contextual simplify-reflections : 0
% 0.24/0.59 % Paramodulations : 0
% 0.24/0.59 % Factorizations : 0
% 0.24/0.59 % NegExts : 0
% 0.24/0.59 % Equation resolutions : 0
% 0.24/0.59 % Disequality decompositions : 0
% 0.24/0.59 % Total rewrite steps : 1
% 0.24/0.59 % ...of those cached : 0
% 0.24/0.59 % Propositional unsat checks : 0
% 0.24/0.59 % Propositional check models : 0
% 0.24/0.59 % Propositional check unsatisfiable : 0
% 0.24/0.59 % Propositional clauses : 0
% 0.24/0.59 % Propositional clauses after purity: 0
% 0.24/0.59 % Propositional unsat core size : 0
% 0.24/0.59 % Propositional preprocessing time : 0.000
% 0.24/0.59 % Propositional encoding time : 0.000
% 0.24/0.59 % Propositional solver time : 0.000
% 0.24/0.59 % Success case prop preproc time : 0.000
% 0.24/0.59 % Success case prop encoding time : 0.000
% 0.24/0.59 % Success case prop solver time : 0.000
% 0.24/0.59 % Current number of processed clauses : 6
% 0.24/0.59 % Positive orientable unit clauses : 5
% 0.24/0.59 % Positive unorientable unit clauses: 0
% 0.24/0.59 % Negative unit clauses : 0
% 0.24/0.59 % Non-unit-clauses : 1
% 0.24/0.59 % Current number of unprocessed clauses: 70
% 0.24/0.59 % ...number of literals in the above : 159
% 0.24/0.59 % Current number of archived formulas : 0
% 0.24/0.59 % Current number of archived clauses : 16
% 0.24/0.59 % Clause-clause subsumption calls (NU) : 0
% 0.24/0.59 % Rec. Clause-clause subsumption calls : 0
% 0.24/0.59 % Non-unit clause-clause subsumptions : 0
% 0.24/0.59 % Unit Clause-clause subsumption calls : 0
% 0.24/0.59 % Rewrite failures with RHS unbound : 0
% 0.24/0.59 % BW rewrite match attempts : 1
% 0.24/0.59 % BW rewrite match successes : 1
% 0.24/0.59 % Condensation attempts : 7
% 0.24/0.59 % Condensation successes : 0
% 0.24/0.59 % Termbank termtop insertions : 3764
% 0.24/0.59 % Search garbage collected termcells : 156
% 0.24/0.59
% 0.24/0.59 % -------------------------------------------------
% 0.24/0.59 % User time : 0.007 s
% 0.24/0.59 % System time : 0.006 s
% 0.24/0.59 % Total time : 0.014 s
% 0.24/0.59 % Maximum resident set size: 3720 pages
% 0.24/0.59
% 0.24/0.59 % -------------------------------------------------
% 0.24/0.59 % User time : 0.023 s
% 0.24/0.59 % System time : 0.013 s
% 0.24/0.59 % Total time : 0.036 s
% 0.24/0.59 % Maximum resident set size: 4864 pages
% 0.24/0.59 % E exiting
%------------------------------------------------------------------------------