%------------------------------------------------------------------------------
% File : E---3.5.1
% Problem : SET062-7 : 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 : n011.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 02:13:21 PM UTC 2026
% Result : Unsatisfiable 0.14s 0.64s
% Output : CNFRefutation 0.14s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 3
% Syntax : Number of clauses : 10 ( 8 unt; 2 nHn; 7 RR)
% Number of literals : 12 ( 0 equ; 6 neg)
% Maximal clause size : 2 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 2 con; 0-2 aty)
% Number of variables : 8 ( 4 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(existence_of_null_class,axiom,
~ member(X1,null_class),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_of_null_class) ).
cnf(prove_null_class_is_subclass_1,negated_conjecture,
~ subclass(null_class,x),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_null_class_is_subclass_1) ).
cnf(not_subclass_members1,axiom,
( subclass(X1,X2)
| member(not_subclass_element(X1,X2),X1) ),
file('/export/starexec/sandbox2/benchmark/Axioms/SET004-0.ax',not_subclass_members1) ).
cnf(c_0_3,plain,
~ member(X1,null_class),
inference(fof_simplification,[status(thm)],[existence_of_null_class]) ).
cnf(c_0_4,negated_conjecture,
~ subclass(null_class,x),
inference(fof_simplification,[status(thm)],[prove_null_class_is_subclass_1]) ).
cnf(c_0_5,plain,
~ member(X1,null_class),
c_0_3 ).
cnf(c_0_6,axiom,
( subclass(X1,X2)
| member(not_subclass_element(X1,X2),X1) ),
not_subclass_members1 ).
cnf(c_0_7,negated_conjecture,
~ subclass(null_class,x),
c_0_4 ).
cnf(c_0_8,plain,
subclass(null_class,X1),
inference(spm,[status(thm)],[c_0_5,c_0_6]) ).
cnf(c_0_9,negated_conjecture,
$false,
inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_7,c_0_8])]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SET062-7 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.04 % Command : run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.11/0.57 % Computer : n011.cluster.edu
% 0.11/0.57 % Model : x86_64 x86_64
% 0.11/0.57 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.57 % Memory : 8046.5625MB
% 0.11/0.57 % OS : Linux 6.8.0-71-generic
% 0.11/0.57 % CPULimit : 300
% 0.11/0.57 % WCLimit : 300
% 0.11/0.57 % DateTime : Mon Sep 21 04:48:58 UTC 2026
% 0.11/0.58 % CPUTime :
% 0.11/0.58 Running run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.13/0.62 Running first-order theorem proving
% 0.13/0.62 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
% 0.14/0.64 % Version: 3.5.1
% 0.14/0.64 % Preprocessing class: FSLSSMSMSSSNFFN.
% 0.14/0.64 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.14/0.64 % Starting C07_19_nc_SOS_SAT001_MinMin_p005000_rr with 1500s (5) cores
% 0.14/0.64 % Starting new_bool_3 with 300s (1) cores
% 0.14/0.64 % Starting new_bool_1 with 300s (1) cores
% 0.14/0.64 % Starting sh5l with 300s (1) cores
% 0.14/0.64 % sh5l with pid 1001339 completed with status 0
% 0.14/0.64 % Result found by sh5l
% 0.14/0.64 % Preprocessing class: FSLSSMSMSSSNFFN.
% 0.14/0.64 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.14/0.64 % Starting C07_19_nc_SOS_SAT001_MinMin_p005000_rr with 1500s (5) cores
% 0.14/0.64 % Starting new_bool_3 with 300s (1) cores
% 0.14/0.64 % Starting new_bool_1 with 300s (1) cores
% 0.14/0.64 % Starting sh5l with 300s (1) cores
% 0.14/0.64 % (lift_lambdas = 0, lambda_to_forall = 0,unroll_only_formulas = 0, sine = gf500_gu_R04_F100_L20000)
% 0.14/0.64 % SinE strategy is gf500_gu_R04_F100_L20000
% 0.14/0.64 % Search class: FGHSM-FFMM31-MFFFFFNN
% 0.14/0.64 % Scheduled 13 strats onto 1 cores with 300 seconds (300 total)
% 0.14/0.64 % Starting SubtermCWHack with 28s (1) cores
% 0.14/0.64 % SubtermCWHack with pid 1001342 completed with status 0
% 0.14/0.64 % Result found by SubtermCWHack
% 0.14/0.64 % Preprocessing class: FSLSSMSMSSSNFFN.
% 0.14/0.64 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.14/0.64 % Starting C07_19_nc_SOS_SAT001_MinMin_p005000_rr with 1500s (5) cores
% 0.14/0.64 % Starting new_bool_3 with 300s (1) cores
% 0.14/0.64 % Starting new_bool_1 with 300s (1) cores
% 0.14/0.64 % Starting sh5l with 300s (1) cores
% 0.14/0.64 % (lift_lambdas = 0, lambda_to_forall = 0,unroll_only_formulas = 0, sine = gf500_gu_R04_F100_L20000)
% 0.14/0.64 % SinE strategy is gf500_gu_R04_F100_L20000
% 0.14/0.64 % Search class: FGHSM-FFMM31-MFFFFFNN
% 0.14/0.64 % Scheduled 13 strats onto 1 cores with 300 seconds (300 total)
% 0.14/0.64 % Starting SubtermCWHack with 28s (1) cores
% 0.14/0.64 % Preprocessing time : 0.002 s
% 0.14/0.64
% 0.14/0.64 % Proof found!
% 0.14/0.64 % SZS status Unsatisfiable
% 0.14/0.64 % SZS output start CNFRefutation
% See solution above
% 0.14/0.64 % Parsed axioms : 104
% 0.14/0.64 % Removed by relevancy pruning/SinE : 9
% 0.14/0.64 % Initial clauses : 95
% 0.14/0.64 % Removed in clause preprocessing : 0
% 0.14/0.64 % Initial clauses in saturation : 95
% 0.14/0.64 % Processed clauses : 38
% 0.14/0.64 % ...of these trivial : 0
% 0.14/0.64 % ...subsumed : 0
% 0.14/0.64 % ...remaining for further processing : 38
% 0.14/0.64 % Other redundant clauses eliminated : 2
% 0.14/0.64 % Clauses deleted for lack of memory : 0
% 0.14/0.64 % Backward-subsumed : 0
% 0.14/0.64 % Backward-rewritten : 1
% 0.14/0.64 % Generated clauses : 13
% 0.14/0.64 % ...of the previous two non-redundant : 8
% 0.14/0.64 % ...aggressively subsumed : 0
% 0.14/0.64 % Contextual simplify-reflections : 0
% 0.14/0.64 % Paramodulations : 11
% 0.14/0.64 % Factorizations : 0
% 0.14/0.64 % NegExts : 0
% 0.14/0.64 % Equation resolutions : 2
% 0.14/0.64 % Disequality decompositions : 0
% 0.14/0.64 % Total rewrite steps : 5
% 0.14/0.64 % ...of those cached : 1
% 0.14/0.64 % Propositional unsat checks : 0
% 0.14/0.64 % Propositional check models : 0
% 0.14/0.64 % Propositional check unsatisfiable : 0
% 0.14/0.64 % Propositional clauses : 0
% 0.14/0.64 % Propositional clauses after purity: 0
% 0.14/0.64 % Propositional unsat core size : 0
% 0.14/0.64 % Propositional preprocessing time : 0.000
% 0.14/0.64 % Propositional encoding time : 0.000
% 0.14/0.64 % Propositional solver time : 0.000
% 0.14/0.64 % Success case prop preproc time : 0.000
% 0.14/0.64 % Success case prop encoding time : 0.000
% 0.14/0.64 % Success case prop solver time : 0.000
% 0.14/0.64 % Current number of processed clauses : 35
% 0.14/0.64 % Positive orientable unit clauses : 17
% 0.14/0.64 % Positive unorientable unit clauses: 0
% 0.14/0.64 % Negative unit clauses : 2
% 0.14/0.64 % Non-unit-clauses : 16
% 0.14/0.64 % Current number of unprocessed clauses: 65
% 0.14/0.64 % ...number of literals in the above : 146
% 0.14/0.64 % Current number of archived formulas : 0
% 0.14/0.64 % Current number of archived clauses : 1
% 0.14/0.64 % Clause-clause subsumption calls (NU) : 78
% 0.14/0.64 % Rec. Clause-clause subsumption calls : 72
% 0.14/0.64 % Non-unit clause-clause subsumptions : 0
% 0.14/0.64 % Unit Clause-clause subsumption calls : 21
% 0.14/0.64 % Rewrite failures with RHS unbound : 0
% 0.14/0.64 % BW rewrite match attempts : 3
% 0.14/0.64 % BW rewrite match successes : 1
% 0.14/0.64 % Condensation attempts : 0
% 0.14/0.64 % Condensation successes : 0
% 0.14/0.64 % Termbank termtop insertions : 2579
% 0.14/0.64 % Search garbage collected termcells : 211
% 0.14/0.64
% 0.14/0.64 % -------------------------------------------------
% 0.14/0.64 % User time : 0.004 s
% 0.14/0.64 % System time : 0.005 s
% 0.14/0.64 % Total time : 0.009 s
% 0.14/0.64 % Maximum resident set size: 3720 pages
% 0.14/0.64
% 0.14/0.64 % -------------------------------------------------
% 0.14/0.64 % User time : 0.008 s
% 0.14/0.64 % System time : 0.008 s
% 0.14/0.64 % Total time : 0.017 s
% 0.14/0.64 % Maximum resident set size: 4864 pages
% 0.14/0.64 % E exiting
%------------------------------------------------------------------------------