%------------------------------------------------------------------------------
% File : E-SAT---3.5.1
% Problem : SET605^5 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% Computer : n018.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 : Wed Sep 30 08:22:41 AM UTC 2026
% Result : Theorem 0.07s 0.24s
% Output : CNFRefutation 0.07s
% Verified :
% SZS Type : Refutation
% Derivation depth : 8
% Number of leaves : 1
% Syntax : Number of formulae : 9 ( 8 unt; 0 typ; 0 def)
% Number of atoms : 26 ( 6 equ; 0 cnn)
% Maximal formula atoms : 3 ( 2 avg)
% Number of connectives : 55 ( 19 ~; 7 |; 7 &; 22 @)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 3 avg)
% Number of types : 2 ( 1 usr)
% Number of type conns : 6 ( 6 >; 0 *; 0 +; 0 <<)
% Number of symbols : 6 ( 3 usr; 3 con; 0-2 aty)
% Number of variables : 18 ( 12 ^; 6 !; 0 ?; 18 :)
% Comments :
%------------------------------------------------------------------------------
thf(decl_sort1,type,
a: $tType ).
thf(decl_23,type,
epred1_0: a > $o ).
thf(decl_24,type,
epred2_0: a > $o ).
thf(decl_25,type,
esk3_0: a ).
thf(cBOOL_PROP_76_pme,conjecture,
! [X1: a > $o,X2: a > $o] :
( ( ^ [X3: a] :
( ( X1 @ X3 )
& ~ ( ( X1 @ X3 )
| ( X2 @ X3 ) ) ) )
= ( ^ [X3: a] : ~ $true ) ),
file('/export/starexec/sandbox/tmp/tmp.jaodHkB7Lp/E---3.1_78439.p',cBOOL_PROP_76_pme) ).
thf(c_0_1,negated_conjecture,
~ ! [X1: a > $o,X2: a > $o] :
( ( ^ [X3: a] :
( ( X1 @ X3 )
& ~ ( ( X1 @ X3 )
| ( X2 @ X3 ) ) ) )
= ( ^ [X3: a] : ~ $true ) ),
inference(assume_negation,[status(cth)],[cBOOL_PROP_76_pme]) ).
thf(c_0_2,negated_conjecture,
~ ! [X1: a > $o,X2: a > $o] :
( ( ^ [Z0: a] :
( ( X1 @ Z0 )
& ~ ( ( X1 @ Z0 )
| ( X2 @ Z0 ) ) ) )
= ( ^ [Z0: a] : ~ $true ) ),
inference(fof_simplification,[status(thm)],[c_0_1]) ).
thf(c_0_3,negated_conjecture,
( ( ^ [Z0: a] :
( ( epred1_0 @ Z0 )
& ~ ( ( epred1_0 @ Z0 )
| ( epred2_0 @ Z0 ) ) ) )
!= ( ^ [Z0: a] : ~ $true ) ),
inference(fof_nnf,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_2])])])]) ).
thf(c_0_4,negated_conjecture,
( ( ^ [Z0: a] :
( ( epred1_0 @ Z0 )
& ~ ( ( epred1_0 @ Z0 )
| ( epred2_0 @ Z0 ) ) ) )
!= ( ^ [Z0: a] : ~ $true ) ),
inference(split_conjunct,[status(thm)],[c_0_3]) ).
thf(c_0_5,negated_conjecture,
( ( ^ [Z0: a] :
( ( epred1_0 @ Z0 )
& ~ ( ( epred1_0 @ Z0 )
| ( epred2_0 @ Z0 ) ) ) )
!= ( ^ [Z0: a] : ~ $true ) ),
inference(cn,[status(thm)],[c_0_4]) ).
thf(c_0_6,negated_conjecture,
( ( epred1_0 @ esk3_0 )
& ~ ( ( epred1_0 @ esk3_0 )
| ( epred2_0 @ esk3_0 ) ) ),
inference(neg_ext,[status(thm)],[c_0_5]) ).
thf(c_0_7,negated_conjecture,
~ ( epred1_0 @ esk3_0 ),
inference(dynamic_cnf,[status(thm)],[c_0_6]) ).
thf(c_0_8,negated_conjecture,
$false,
inference(sr,[status(thm)],[inference(dynamic_cnf,[status(thm)],[c_0_6]),c_0_7]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SET605^5 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.04 % Command : run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.07/0.17 % Computer : n018.cluster.edu
% 0.07/0.17 % Model : x86_64 x86_64
% 0.07/0.17 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.17 % Memory : 8046.5625MB
% 0.07/0.17 % OS : Linux 6.8.0-71-generic
% 0.07/0.17 % CPULimit : 300
% 0.07/0.17 % WCLimit : 300
% 0.07/0.17 % DateTime : Tue Sep 29 13:40:56 UTC 2026
% 0.07/0.17 % CPUTime :
% 0.07/0.17 Running run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.07/0.21 Running higher-order theorem proving
% 0.07/0.22 Running: /export/starexec/sandbox/solver/bin/eprover-ho --delete-bad-limit=2000000000 --definitional-cnf=24 -s --print-statistics -R --print-version --proof-object --auto-schedule=8 --cpu-limit=300 /export/starexec/sandbox/tmp/tmp.jaodHkB7Lp/E---3.1_78439.p
% 0.07/0.24 % Version: 3.5.1-ho
% 0.07/0.24 % Preprocessing class: HSSSSMSSSSSNSSN.
% 0.07/0.24 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.07/0.24 % Starting ehoh_best_nonlift_nonlambdatoforall with 1500s (5) cores
% 0.07/0.24 % Starting post_as_ho10 with 300s (1) cores
% 0.07/0.24 % Starting new_bool_9 with 300s (1) cores
% 0.07/0.24 % Starting sh5l with 300s (1) cores
% 0.07/0.24 % ehoh_best_nonlift_nonlambdatoforall with pid 78452 completed with status 0
% 0.07/0.24 % Result found by ehoh_best_nonlift_nonlambdatoforall
% 0.07/0.24 % Preprocessing class: HSSSSMSSSSSNSSN.
% 0.07/0.24 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.07/0.24 % Starting ehoh_best_nonlift_nonlambdatoforall with 1500s (5) cores
% 0.07/0.24 % (lift_lambdas = 0, lambda_to_forall = 0,unroll_only_formulas = 1, sine = Auto)
% 0.07/0.24 % No SInE strategy applied
% 0.07/0.24 % Search class: HUUPF-FFSF00-MSSFFFNN
% 0.07/0.24 % partial match(1): HUUPF-FFSF00-SSSFFFNN
% 0.07/0.24 % Scheduled 7 strats onto 5 cores with 1500 seconds (1500 total)
% 0.07/0.24 % Starting SubtermCWHack with 136s (1) cores
% 0.07/0.24 % Starting ehoh_best_nonlift_nonlambdatoforall with 151s (1) cores
% 0.07/0.24 % Starting sh5l with 136s (1) cores
% 0.07/0.24 % Starting new_bool_1 with 136s (1) cores
% 0.07/0.24 % Starting new_bool_2 with 136s (1) cores
% 0.07/0.24 % SubtermCWHack with pid 78456 completed with status 10
% 0.07/0.24 % Starting new_bool_9 with 136s (1) cores
% 0.07/0.24 % new_bool_1 with pid 78459 completed with status 0
% 0.07/0.24 % Result found by new_bool_1
% 0.07/0.24 % Preprocessing class: HSSSSMSSSSSNSSN.
% 0.07/0.24 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.07/0.24 % Starting ehoh_best_nonlift_nonlambdatoforall with 1500s (5) cores
% 0.07/0.24 % (lift_lambdas = 0, lambda_to_forall = 0,unroll_only_formulas = 1, sine = Auto)
% 0.07/0.24 % No SInE strategy applied
% 0.07/0.24 % Search class: HUUPF-FFSF00-MSSFFFNN
% 0.07/0.24 % partial match(1): HUUPF-FFSF00-SSSFFFNN
% 0.07/0.24 % Scheduled 7 strats onto 5 cores with 1500 seconds (1500 total)
% 0.07/0.24 % Starting SubtermCWHack with 136s (1) cores
% 0.07/0.24 % Starting ehoh_best_nonlift_nonlambdatoforall with 151s (1) cores
% 0.07/0.24 % Starting sh5l with 136s (1) cores
% 0.07/0.24 % Starting new_bool_1 with 136s (1) cores
% 0.07/0.24 % Preprocessing time : 0.001 s
% 0.07/0.24 % Presaturation interreduction done
% 0.07/0.24
% 0.07/0.24 % Proof found!
% 0.07/0.24 % SZS status Theorem
% 0.07/0.24 % SZS output start CNFRefutation
% See solution above
% 0.07/0.24 % Parsed axioms : 2
% 0.07/0.24 % Removed by relevancy pruning/SinE : 0
% 0.07/0.24 % Initial clauses : 2
% 0.07/0.24 % Removed in clause preprocessing : 1
% 0.07/0.24 % Initial clauses in saturation : 1
% 0.07/0.24 % Processed clauses : 7
% 0.07/0.24 % ...of these trivial : 0
% 0.07/0.24 % ...subsumed : 1
% 0.07/0.24 % ...remaining for further processing : 5
% 0.07/0.24 % Other redundant clauses eliminated : 0
% 0.07/0.24 % Clauses deleted for lack of memory : 0
% 0.07/0.24 % Backward-subsumed : 0
% 0.07/0.24 % Backward-rewritten : 0
% 0.07/0.24 % Generated clauses : 5
% 0.07/0.24 % ...of the previous two non-redundant : 5
% 0.07/0.24 % ...aggressively subsumed : 0
% 0.07/0.24 % Contextual simplify-reflections : 0
% 0.07/0.24 % Paramodulations : 0
% 0.07/0.24 % Factorizations : 0
% 0.07/0.24 % NegExts : 1
% 0.07/0.24 % Equation resolutions : 0
% 0.07/0.24 % Disequality decompositions : 0
% 0.07/0.24 % Total rewrite steps : 0
% 0.07/0.24 % ...of those cached : 0
% 0.07/0.24 % Propositional unsat checks : 0
% 0.07/0.24 % Propositional check models : 0
% 0.07/0.24 % Propositional check unsatisfiable : 0
% 0.07/0.24 % Propositional clauses : 0
% 0.07/0.24 % Propositional clauses after purity: 0
% 0.07/0.24 % Propositional unsat core size : 0
% 0.07/0.24 % Propositional preprocessing time : 0.000
% 0.07/0.24 % Propositional encoding time : 0.000
% 0.07/0.24 % Propositional solver time : 0.000
% 0.07/0.24 % Success case prop preproc time : 0.000
% 0.07/0.24 % Success case prop encoding time : 0.000
% 0.07/0.24 % Success case prop solver time : 0.000
% 0.07/0.24 % Current number of processed clauses : 3
% 0.07/0.24 % Positive orientable unit clauses : 0
% 0.07/0.24 % Positive unorientable unit clauses: 0
% 0.07/0.24 % Negative unit clauses : 3
% 0.07/0.24 % Non-unit-clauses : 0
% 0.07/0.24 % Current number of unprocessed clauses: 0
% 0.07/0.24 % ...number of literals in the above : 0
% 0.07/0.24 % Current number of archived formulas : 0
% 0.07/0.24 % Current number of archived clauses : 2
% 0.07/0.24 % Clause-clause subsumption calls (NU) : 0
% 0.07/0.24 % Rec. Clause-clause subsumption calls : 0
% 0.07/0.24 % Non-unit clause-clause subsumptions : 0
% 0.07/0.24 % Unit Clause-clause subsumption calls : 0
% 0.07/0.24 % Rewrite failures with RHS unbound : 0
% 0.07/0.24 % BW rewrite match attempts : 0
% 0.07/0.24 % BW rewrite match successes : 0
% 0.07/0.24 % Condensation attempts : 0
% 0.07/0.24 % Condensation successes : 0
% 0.07/0.24 % Termbank termtop insertions : 269
% 0.07/0.24 % Search garbage collected termcells : 42
% 0.07/0.24
% 0.07/0.24 % -------------------------------------------------
% 0.07/0.24 % User time : 0.003 s
% 0.07/0.24 % System time : 0.002 s
% 0.07/0.24 % Total time : 0.005 s
% 0.07/0.24 % Maximum resident set size: 3628 pages
% 0.07/0.24
% 0.07/0.24 % -------------------------------------------------
% 0.07/0.24 % User time : 0.007 s
% 0.07/0.24 % System time : 0.010 s
% 0.07/0.24 % Total time : 0.017 s
% 0.07/0.24 % Maximum resident set size: 4608 pages
% 0.07/0.24 % E exiting
%------------------------------------------------------------------------------