%------------------------------------------------------------------------------
% File : E---3.5.1
% Problem : LCL076-2 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% Computer : n005.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 01:11:42 PM UTC 2026
% Result : Unsatisfiable 0.23s 0.57s
% Output : CNFRefutation 0.23s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 4
% Syntax : Number of clauses : 13 ( 9 unt; 0 nHn; 8 RR)
% Number of literals : 20 ( 0 equ; 10 neg)
% Maximal clause size : 3 ( 1 avg)
% Maximal term depth : 4 ( 2 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-1 aty)
% Number of functors : 3 ( 3 usr; 1 con; 0-2 aty)
% Number of variables : 15 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(condensed_detachment,axiom,
( ~ is_a_theorem(X1)
| ~ is_a_theorem(implies(X1,X2))
| is_a_theorem(X2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',condensed_detachment) ).
cnf(cn_49,axiom,
is_a_theorem(implies(implies(not(X1),not(X2)),implies(X2,X1))),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',cn_49) ).
cnf(prove_cn_40,negated_conjecture,
~ is_a_theorem(implies(a,not(not(a)))),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_cn_40) ).
cnf(extra_lemma,axiom,
is_a_theorem(implies(not(not(X1)),X1)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',extra_lemma) ).
cnf(c_0_4,plain,
( ~ is_a_theorem(X1)
| ~ is_a_theorem(implies(X1,X2))
| is_a_theorem(X2) ),
inference(fof_simplification,[status(thm)],[condensed_detachment]) ).
cnf(c_0_5,plain,
( ~ is_a_theorem(X1)
| ~ is_a_theorem(implies(X1,X2))
| is_a_theorem(X2) ),
c_0_4 ).
cnf(c_0_6,axiom,
is_a_theorem(implies(implies(not(X1),not(X2)),implies(X2,X1))),
cn_49 ).
cnf(c_0_7,negated_conjecture,
~ is_a_theorem(implies(a,not(not(a)))),
inference(fof_simplification,[status(thm)],[prove_cn_40]) ).
cnf(c_0_8,plain,
( ~ is_a_theorem(implies(not(X2),not(X1)))
| is_a_theorem(implies(X1,X2)) ),
inference(spm,[status(thm)],[c_0_5,c_0_6]) ).
cnf(c_0_9,axiom,
is_a_theorem(implies(not(not(X1)),X1)),
extra_lemma ).
cnf(c_0_10,negated_conjecture,
~ is_a_theorem(implies(a,not(not(a)))),
c_0_7 ).
cnf(c_0_11,plain,
is_a_theorem(implies(X1,not(not(X1)))),
inference(spm,[status(thm)],[c_0_8,c_0_9]) ).
cnf(c_0_12,negated_conjecture,
$false,
inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_10,c_0_11])]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : LCL076-2 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.07 % Command : run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.20/0.46 % Computer : n005.cluster.edu
% 0.20/0.46 % Model : x86_64 x86_64
% 0.20/0.46 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.20/0.46 % Memory : 8046.5625MB
% 0.20/0.46 % OS : Linux 6.8.0-71-generic
% 0.20/0.46 % CPULimit : 300
% 0.20/0.46 % WCLimit : 300
% 0.20/0.46 % DateTime : Mon Sep 21 00:03:48 UTC 2026
% 0.20/0.47 % CPUTime :
% 0.20/0.47 Running run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.23/0.54 Running first-order theorem proving
% 0.23/0.54 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
% 0.23/0.57 % Version: 3.5.1
% 0.23/0.57 % Preprocessing class: FSSSSMSSSSSNFFN.
% 0.23/0.57 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.23/0.57 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 1500s (5) cores
% 0.23/0.57 % Starting new_bool_3 with 300s (1) cores
% 0.23/0.57 % Starting new_bool_1 with 300s (1) cores
% 0.23/0.57 % Starting sh5l with 300s (1) cores
% 0.23/0.57 % new_bool_3 with pid 2110916 completed with status 0
% 0.23/0.57 % Result found by new_bool_3
% 0.23/0.57 % Preprocessing class: FSSSSMSSSSSNFFN.
% 0.23/0.57 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.23/0.57 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 1500s (5) cores
% 0.23/0.57 % Starting new_bool_3 with 300s (1) cores
% 0.23/0.57 % (lift_lambdas = 0, lambda_to_forall = 0,unroll_only_formulas = 0, sine = GSinE(CountFormulas,hypos,1.5,,3,20000,1.0))
% 0.23/0.57 % SinE strategy is GSinE(CountFormulas,hypos,1.5,,3,20000,1.0)
% 0.23/0.57 % Search class: FHUNM-FFSF21-MFFFFFNN
% 0.23/0.57 % Scheduled 5 strats onto 1 cores with 300 seconds (300 total)
% 0.23/0.57 % Starting SubtermCWHack with 31s (1) cores
% 0.23/0.57 % SubtermCWHack with pid 2110924 completed with status 0
% 0.23/0.57 % Result found by SubtermCWHack
% 0.23/0.57 % Preprocessing class: FSSSSMSSSSSNFFN.
% 0.23/0.57 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.23/0.57 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 1500s (5) cores
% 0.23/0.57 % Starting new_bool_3 with 300s (1) cores
% 0.23/0.57 % (lift_lambdas = 0, lambda_to_forall = 0,unroll_only_formulas = 0, sine = GSinE(CountFormulas,hypos,1.5,,3,20000,1.0))
% 0.23/0.57 % SinE strategy is GSinE(CountFormulas,hypos,1.5,,3,20000,1.0)
% 0.23/0.57 % Search class: FHUNM-FFSF21-MFFFFFNN
% 0.23/0.57 % Scheduled 5 strats onto 1 cores with 300 seconds (300 total)
% 0.23/0.57 % Starting SubtermCWHack with 31s (1) cores
% 0.23/0.57 % Preprocessing time : 0.002 s
% 0.23/0.57
% 0.23/0.57 % Proof found!
% 0.23/0.57 % SZS status Unsatisfiable
% 0.23/0.57 % SZS output start CNFRefutation
% See solution above
% 0.23/0.57 % Parsed axioms : 6
% 0.23/0.57 % Removed by relevancy pruning/SinE : 0
% 0.23/0.57 % Initial clauses : 6
% 0.23/0.57 % Removed in clause preprocessing : 0
% 0.23/0.57 % Initial clauses in saturation : 6
% 0.23/0.57 % Processed clauses : 10
% 0.23/0.57 % ...of these trivial : 0
% 0.23/0.57 % ...subsumed : 0
% 0.23/0.57 % ...remaining for further processing : 10
% 0.23/0.57 % Other redundant clauses eliminated : 0
% 0.23/0.57 % Clauses deleted for lack of memory : 0
% 0.23/0.57 % Backward-subsumed : 0
% 0.23/0.57 % Backward-rewritten : 1
% 0.23/0.57 % Generated clauses : 9
% 0.23/0.57 % ...of the previous two non-redundant : 6
% 0.23/0.57 % ...aggressively subsumed : 0
% 0.23/0.57 % Contextual simplify-reflections : 0
% 0.23/0.57 % Paramodulations : 9
% 0.23/0.58 % Factorizations : 0
% 0.23/0.58 % NegExts : 0
% 0.23/0.58 % Equation resolutions : 0
% 0.23/0.58 % Disequality decompositions : 0
% 0.23/0.58 % Total rewrite steps : 1
% 0.23/0.58 % ...of those cached : 0
% 0.23/0.58 % Propositional unsat checks : 0
% 0.23/0.58 % Propositional check models : 0
% 0.23/0.58 % Propositional check unsatisfiable : 0
% 0.23/0.58 % Propositional clauses : 0
% 0.23/0.58 % Propositional clauses after purity: 0
% 0.23/0.58 % Propositional unsat core size : 0
% 0.23/0.58 % Propositional preprocessing time : 0.000
% 0.23/0.58 % Propositional encoding time : 0.000
% 0.23/0.58 % Propositional solver time : 0.000
% 0.23/0.58 % Success case prop preproc time : 0.000
% 0.23/0.58 % Success case prop encoding time : 0.000
% 0.23/0.58 % Success case prop solver time : 0.000
% 0.23/0.58 % Current number of processed clauses : 9
% 0.23/0.58 % Positive orientable unit clauses : 4
% 0.23/0.58 % Positive unorientable unit clauses: 0
% 0.23/0.58 % Negative unit clauses : 1
% 0.23/0.58 % Non-unit-clauses : 4
% 0.23/0.58 % Current number of unprocessed clauses: 2
% 0.23/0.58 % ...number of literals in the above : 3
% 0.23/0.58 % Current number of archived formulas : 0
% 0.23/0.58 % Current number of archived clauses : 1
% 0.23/0.58 % Clause-clause subsumption calls (NU) : 2
% 0.23/0.58 % Rec. Clause-clause subsumption calls : 2
% 0.23/0.58 % Non-unit clause-clause subsumptions : 0
% 0.23/0.58 % Unit Clause-clause subsumption calls : 1
% 0.23/0.58 % Rewrite failures with RHS unbound : 0
% 0.23/0.58 % BW rewrite match attempts : 2
% 0.23/0.58 % BW rewrite match successes : 1
% 0.23/0.58 % Condensation attempts : 0
% 0.23/0.58 % Condensation successes : 0
% 0.23/0.58 % Termbank termtop insertions : 250
% 0.23/0.58 % Search garbage collected termcells : 8
% 0.23/0.58
% 0.23/0.58 % -------------------------------------------------
% 0.23/0.58 % User time : 0.004 s
% 0.23/0.58 % System time : 0.002 s
% 0.23/0.58 % Total time : 0.005 s
% 0.23/0.58 % Maximum resident set size: 3632 pages
% 0.23/0.58
% 0.23/0.58 % -------------------------------------------------
% 0.23/0.58 % User time : 0.005 s
% 0.23/0.58 % System time : 0.006 s
% 0.23/0.58 % Total time : 0.011 s
% 0.23/0.58 % Maximum resident set size: 4864 pages
% 0.23/0.58 % E exiting
%------------------------------------------------------------------------------