%------------------------------------------------------------------------------
% File : E---3.5.1
% Problem : SYN347+1 : TPTP v9.3.1. Released v2.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% Computer : n009.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 03:23:46 PM UTC 2026
% Result : Theorem 0.10s 0.43s
% Output : CNFRefutation 0.10s
% Verified :
% SZS Type : Refutation
% Derivation depth : 12
% Number of leaves : 1
% Syntax : Number of formulae : 20 ( 4 unt; 0 def)
% Number of atoms : 61 ( 0 equ)
% Maximal formula atoms : 16 ( 3 avg)
% Number of connectives : 62 ( 21 ~; 30 |; 5 &)
% ( 6 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 10 ( 4 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 2 con; 0-2 aty)
% Number of variables : 31 ( 0 sgn 8 !; 4 ?)
% Comments :
%------------------------------------------------------------------------------
fof(church_46_17_3,conjecture,
! [X1,X2] :
? [X3,X4] :
! [X5] :
( ( big_f(X1,X5)
<=> big_f(X2,X5) )
| ( ( big_f(X3,X5)
<=> big_f(X4,X5) )
<=> big_f(X1,X2) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',church_46_17_3) ).
fof(c_0_1,negated_conjecture,
~ ! [X1,X2] :
? [X3,X4] :
! [X5] :
( ( big_f(X1,X5)
<=> big_f(X2,X5) )
| ( ( big_f(X3,X5)
<=> big_f(X4,X5) )
<=> big_f(X1,X2) ) ),
inference(assume_negation,[status(cth)],[church_46_17_3]) ).
fof(c_0_2,negated_conjecture,
! [X8,X9] :
( ( big_f(esk2_0,esk3_2(X8,X9))
| big_f(esk1_0,esk3_2(X8,X9)) )
& ( ~ big_f(esk2_0,esk3_2(X8,X9))
| ~ big_f(esk1_0,esk3_2(X8,X9)) )
& ( big_f(esk1_0,esk2_0)
| big_f(X8,esk3_2(X8,X9))
| ~ big_f(X9,esk3_2(X8,X9)) )
& ( big_f(esk1_0,esk2_0)
| big_f(X9,esk3_2(X8,X9))
| ~ big_f(X8,esk3_2(X8,X9)) )
& ( ~ big_f(esk1_0,esk2_0)
| big_f(X9,esk3_2(X8,X9))
| big_f(X8,esk3_2(X8,X9)) )
& ( ~ big_f(esk1_0,esk2_0)
| ~ big_f(X9,esk3_2(X8,X9))
| ~ big_f(X8,esk3_2(X8,X9)) ) ),
inference(distribute,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_1])])])])]) ).
cnf(c_0_3,negated_conjecture,
( ~ big_f(X1,esk3_2(X2,X1))
| big_f(esk1_0,esk2_0)
| big_f(X2,esk3_2(X2,X1)) ),
inference(split_conjunct,[status(thm)],[c_0_2]) ).
cnf(c_0_4,negated_conjecture,
( big_f(esk2_0,esk3_2(X1,X2))
| big_f(esk1_0,esk3_2(X1,X2)) ),
inference(split_conjunct,[status(thm)],[c_0_2]) ).
cnf(c_0_5,negated_conjecture,
( big_f(esk1_0,esk2_0)
| big_f(X1,esk3_2(X1,esk1_0))
| big_f(esk2_0,esk3_2(X1,esk1_0)) ),
inference(spm,[status(thm)],[c_0_3,c_0_4]) ).
cnf(c_0_6,negated_conjecture,
( ~ big_f(X1,esk3_2(X1,X2))
| big_f(esk1_0,esk2_0)
| big_f(X2,esk3_2(X1,X2)) ),
inference(split_conjunct,[status(thm)],[c_0_2]) ).
cnf(c_0_7,negated_conjecture,
( big_f(esk1_0,esk2_0)
| big_f(esk2_0,esk3_2(esk2_0,esk1_0)) ),
inference(ef,[status(thm)],[c_0_5]) ).
cnf(c_0_8,negated_conjecture,
( ~ big_f(esk2_0,esk3_2(X1,X2))
| ~ big_f(esk1_0,esk3_2(X1,X2)) ),
inference(split_conjunct,[status(thm)],[c_0_2]) ).
cnf(c_0_9,negated_conjecture,
( big_f(esk1_0,esk2_0)
| big_f(esk1_0,esk3_2(esk2_0,esk1_0)) ),
inference(spm,[status(thm)],[c_0_6,c_0_7]) ).
cnf(c_0_10,negated_conjecture,
( ~ big_f(esk1_0,esk2_0)
| ~ big_f(X2,esk3_2(X1,X2))
| ~ big_f(X1,esk3_2(X1,X2)) ),
inference(split_conjunct,[status(thm)],[c_0_2]) ).
cnf(c_0_11,negated_conjecture,
big_f(esk1_0,esk2_0),
inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_8,c_0_9]),c_0_7]) ).
cnf(c_0_12,negated_conjecture,
( ~ big_f(esk1_0,esk2_0)
| big_f(X2,esk3_2(X1,X2))
| big_f(X1,esk3_2(X1,X2)) ),
inference(split_conjunct,[status(thm)],[c_0_2]) ).
cnf(c_0_13,negated_conjecture,
( ~ big_f(X2,esk3_2(X2,X1))
| ~ big_f(X1,esk3_2(X2,X1)) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_10,c_0_11])]) ).
cnf(c_0_14,negated_conjecture,
( big_f(X2,esk3_2(X1,X2))
| big_f(X1,esk3_2(X1,X2)) ),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_12,c_0_11])]) ).
cnf(c_0_15,negated_conjecture,
( ~ big_f(X1,esk3_2(X1,esk1_0))
| big_f(esk2_0,esk3_2(X1,esk1_0)) ),
inference(spm,[status(thm)],[c_0_13,c_0_4]) ).
cnf(c_0_16,negated_conjecture,
( ~ big_f(esk2_0,esk3_2(X1,esk1_0))
| big_f(X1,esk3_2(X1,esk1_0)) ),
inference(spm,[status(thm)],[c_0_8,c_0_14]) ).
cnf(c_0_17,negated_conjecture,
big_f(esk2_0,esk3_2(esk1_0,esk1_0)),
inference(spm,[status(thm)],[c_0_15,c_0_4]) ).
cnf(c_0_18,negated_conjecture,
big_f(esk1_0,esk3_2(esk1_0,esk1_0)),
inference(spm,[status(thm)],[c_0_16,c_0_17]) ).
cnf(c_0_19,negated_conjecture,
$false,
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_13,c_0_18]),c_0_18])]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYN347+1 : TPTP v9.3.1. Released v2.0.0.
% 0.00/0.05 % Command : run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.10/0.36 % Computer : n009.cluster.edu
% 0.10/0.36 % Model : x86_64 x86_64
% 0.10/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.36 % Memory : 8046.5625MB
% 0.10/0.36 % OS : Linux 6.8.0-71-generic
% 0.10/0.36 % CPULimit : 300
% 0.10/0.36 % WCLimit : 300
% 0.10/0.36 % DateTime : Mon Sep 21 10:50:58 UTC 2026
% 0.10/0.36 % CPUTime :
% 0.10/0.36 Running run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.10/0.41 Running first-order theorem proving
% 0.10/0.41 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
% 0.10/0.42 % Version: 3.5.1
% 0.10/0.42 % Preprocessing class: FSSSSMSSSSSNFFN.
% 0.10/0.42 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.10/0.42 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 1500s (5) cores
% 0.10/0.42 % Starting new_bool_3 with 300s (1) cores
% 0.10/0.42 % Starting new_bool_1 with 300s (1) cores
% 0.10/0.42 % Starting sh5l with 300s (1) cores
% 0.10/0.42 % G-E--_302_C18_F1_URBAN_RG_S04BN with pid 1563664 completed with status 0
% 0.10/0.42 % Result found by G-E--_302_C18_F1_URBAN_RG_S04BN
% 0.10/0.42 % Preprocessing class: FSSSSMSSSSSNFFN.
% 0.10/0.42 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.10/0.42 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 1500s (5) cores
% 0.10/0.42 % (lift_lambdas = 1, lambda_to_forall = 1,unroll_only_formulas = 1, sine = Auto)
% 0.10/0.42 % No SInE strategy applied
% 0.10/0.42 % Search class: FGHNF-FFSF22-SFFFFFNN
% 0.10/0.42 % Scheduled 7 strats onto 5 cores with 1500 seconds (1500 total)
% 0.10/0.42 % Starting SubtermCWHack with 136s (1) cores
% 0.10/0.42 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 151s (1) cores
% 0.10/0.42 % Starting G-E--_208_C18_F1_SE_CS_SP_PS_S5PRR_S0Y with 136s (1) cores
% 0.10/0.42 % Starting new_bool_3 with 136s (1) cores
% 0.10/0.43 % Starting new_bool_1 with 136s (1) cores
% 0.10/0.43 % new_bool_1 with pid 1563672 completed with status 0
% 0.10/0.43 % Result found by new_bool_1
% 0.10/0.43 % Preprocessing class: FSSSSMSSSSSNFFN.
% 0.10/0.43 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.10/0.43 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 1500s (5) cores
% 0.10/0.43 % (lift_lambdas = 1, lambda_to_forall = 1,unroll_only_formulas = 1, sine = Auto)
% 0.10/0.43 % No SInE strategy applied
% 0.10/0.43 % Search class: FGHNF-FFSF22-SFFFFFNN
% 0.10/0.43 % Scheduled 7 strats onto 5 cores with 1500 seconds (1500 total)
% 0.10/0.43 % Starting SubtermCWHack with 136s (1) cores
% 0.10/0.43 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 151s (1) cores
% 0.10/0.43 % Starting G-E--_208_C18_F1_SE_CS_SP_PS_S5PRR_S0Y with 136s (1) cores
% 0.10/0.43 % Starting new_bool_3 with 136s (1) cores
% 0.10/0.43 % Starting new_bool_1 with 136s (1) cores
% 0.10/0.43 % Preprocessing time : 0.001 s
% 0.10/0.43 % Presaturation interreduction done
% 0.10/0.43
% 0.10/0.43 % Proof found!
% 0.10/0.43 % SZS status Theorem
% 0.10/0.43 % SZS output start CNFRefutation
% See solution above
% 0.10/0.43 % Parsed axioms : 1
% 0.10/0.43 % Removed by relevancy pruning/SinE : 0
% 0.10/0.43 % Initial clauses : 6
% 0.10/0.43 % Removed in clause preprocessing : 0
% 0.10/0.43 % Initial clauses in saturation : 6
% 0.10/0.43 % Processed clauses : 26
% 0.10/0.43 % ...of these trivial : 0
% 0.10/0.43 % ...subsumed : 3
% 0.10/0.43 % ...remaining for further processing : 23
% 0.10/0.43 % Other redundant clauses eliminated : 0
% 0.10/0.43 % Clauses deleted for lack of memory : 0
% 0.10/0.43 % Backward-subsumed : 0
% 0.10/0.43 % Backward-rewritten : 8
% 0.10/0.43 % Generated clauses : 28
% 0.10/0.43 % ...of the previous two non-redundant : 23
% 0.10/0.43 % ...aggressively subsumed : 0
% 0.10/0.43 % Contextual simplify-reflections : 1
% 0.10/0.43 % Paramodulations : 22
% 0.10/0.43 % Factorizations : 6
% 0.10/0.43 % NegExts : 0
% 0.10/0.43 % Equation resolutions : 0
% 0.10/0.43 % Disequality decompositions : 0
% 0.10/0.43 % Total rewrite steps : 9
% 0.10/0.43 % ...of those cached : 7
% 0.10/0.43 % Propositional unsat checks : 0
% 0.10/0.43 % Propositional check models : 0
% 0.10/0.43 % Propositional check unsatisfiable : 0
% 0.10/0.43 % Propositional clauses : 0
% 0.10/0.43 % Propositional clauses after purity: 0
% 0.10/0.43 % Propositional unsat core size : 0
% 0.10/0.43 % Propositional preprocessing time : 0.000
% 0.10/0.43 % Propositional encoding time : 0.000
% 0.10/0.43 % Propositional solver time : 0.000
% 0.10/0.43 % Success case prop preproc time : 0.000
% 0.10/0.43 % Success case prop encoding time : 0.000
% 0.10/0.43 % Success case prop solver time : 0.000
% 0.10/0.43 % Current number of processed clauses : 9
% 0.10/0.43 % Positive orientable unit clauses : 3
% 0.10/0.43 % Positive unorientable unit clauses: 0
% 0.10/0.43 % Negative unit clauses : 0
% 0.10/0.43 % Non-unit-clauses : 6
% 0.10/0.43 % Current number of unprocessed clauses: 5
% 0.10/0.43 % ...number of literals in the above : 10
% 0.10/0.43 % Current number of archived formulas : 0
% 0.10/0.43 % Current number of archived clauses : 14
% 0.10/0.43 % Clause-clause subsumption calls (NU) : 44
% 0.10/0.43 % Rec. Clause-clause subsumption calls : 30
% 0.10/0.43 % Non-unit clause-clause subsumptions : 4
% 0.10/0.43 % Unit Clause-clause subsumption calls : 1
% 0.10/0.43 % Rewrite failures with RHS unbound : 0
% 0.10/0.43 % BW rewrite match attempts : 1
% 0.10/0.43 % BW rewrite match successes : 1
% 0.10/0.43 % Condensation attempts : 0
% 0.10/0.43 % Condensation successes : 0
% 0.10/0.43 % Termbank termtop insertions : 983
% 0.10/0.43 % Search garbage collected termcells : 160
% 0.10/0.43
% 0.10/0.43 % -------------------------------------------------
% 0.10/0.43 % User time : 0.003 s
% 0.10/0.43 % System time : 0.001 s
% 0.10/0.43 % Total time : 0.004 s
% 0.10/0.43 % Maximum resident set size: 3588 pages
% 0.10/0.43
% 0.10/0.43 % -------------------------------------------------
% 0.10/0.43 % User time : 0.014 s
% 0.10/0.43 % System time : 0.010 s
% 0.10/0.43 % Total time : 0.023 s
% 0.10/0.43 % Maximum resident set size: 4864 pages
% 0.10/0.43 % E exiting
%------------------------------------------------------------------------------