%------------------------------------------------------------------------------
% File : E-SAT---3.5.1
% Problem : SYO517^1 : TPTP v9.3.1. Released v4.1.0.
% Transfm : none
% Format : tptp:raw
% Command : run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% Computer : n015.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 08:44:46 AM UTC 2026
% Result : Theorem 0.08s 0.24s
% Output : CNFRefutation 0.08s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 2
% Syntax : Number of formulae : 9 ( 4 unt; 0 typ; 0 def)
% Number of atoms : 16 ( 3 equ; 0 cnn)
% Maximal formula atoms : 5 ( 1 avg)
% Number of connectives : 55 ( 6 ~; 3 |; 4 &; 38 @)
% ( 0 <=>; 4 =>; 0 <=; 0 <~>)
% Maximal formula depth : 10 ( 6 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 17 ( 17 >; 0 *; 0 +; 0 <<)
% Number of symbols : 5 ( 3 usr; 1 con; 0-2 aty)
% Number of variables : 17 ( 0 ^; 13 !; 4 ?; 17 :)
% Comments :
%------------------------------------------------------------------------------
thf(decl_23,type,
epred1_1: ( ( $i > $o ) > $i ) > $i > $o ).
thf(decl_24,type,
esk1_1: ( ( $i > $o ) > $i ) > $i ).
thf(decl_25,type,
esk2_0: ( $i > $o ) > $i ).
thf(descri,conjecture,
? [X1: ( $i > $o ) > $i] :
! [X2: $i > $o] :
( ? [X3: $i] :
( ( X2 @ X3 )
& ! [X4: $i] :
( ( X2 @ X4 )
=> ( X3 = X4 ) ) )
=> ( X2 @ ( X1 @ X2 ) ) ),
file('/export/starexec/sandbox2/tmp/tmp.gRBbVoIh6Z/E---3.1_3830206.p',descri) ).
thf(c_0_1,negated_conjecture,
~ ? [X1: ( $i > $o ) > $i] :
! [X2: $i > $o] :
( ? [X3: $i] :
( ( X2 @ X3 )
& ! [X4: $i] :
( ( X2 @ X4 )
=> ( X3 = X4 ) ) )
=> ( X2 @ ( X1 @ X2 ) ) ),
inference(assume_negation,[status(cth)],[descri]) ).
thf(c_0_2,negated_conjecture,
! [X9: ( $i > $o ) > $i,X12: $i] :
( ( epred1_1 @ X9 @ ( esk1_1 @ X9 ) )
& ( ~ ( epred1_1 @ X9 @ X12 )
| ( ( esk1_1 @ X9 )
= X12 ) )
& ~ ( epred1_1 @ X9 @ ( X9 @ ( epred1_1 @ X9 ) ) ) ),
inference(fof_nnf,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_1])])])])]) ).
thf(c_0_3,negated_conjecture,
! [X1: ( $i > $o ) > $i] :
~ ( epred1_1 @ X1 @ ( X1 @ ( epred1_1 @ X1 ) ) ),
inference(split_conjunct,[status(thm)],[c_0_2]) ).
thf(c_0_4,plain,
! [X13: $i > $o,X14: $i] :
( ( X13 @ ( esk2_0 @ X13 ) )
| ~ ( X13 @ X14 ) ),
inference(introduce_choice_axiom,[status(thm)],[]) ).
thf(c_0_5,negated_conjecture,
! [X1: ( $i > $o ) > $i,X3: $i] :
( ( epred1_1 @ X1 @ ( esk2_0 @ ( epred1_1 @ X1 ) ) )
| ~ ( epred1_1 @ X1 @ X3 ) ),
inference(choice_inst,[status(thm)],[c_0_3,c_0_4]) ).
thf(c_0_6,negated_conjecture,
! [X1: ( $i > $o ) > $i] : ( epred1_1 @ X1 @ ( esk1_1 @ X1 ) ),
inference(split_conjunct,[status(thm)],[c_0_2]) ).
thf(c_0_7,negated_conjecture,
! [X1: ( $i > $o ) > $i] : ( epred1_1 @ X1 @ ( esk2_0 @ ( epred1_1 @ X1 ) ) ),
inference(spm,[status(thm)],[c_0_5,c_0_6]) ).
thf(c_0_8,negated_conjecture,
$false,
inference(spm,[status(thm)],[c_0_3,c_0_7]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYO517^1 : TPTP v9.3.1. Released v4.1.0.
% 0.00/0.05 % Command : run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.08/0.17 % Computer : n015.cluster.edu
% 0.08/0.17 % Model : x86_64 x86_64
% 0.08/0.17 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.17 % Memory : 8046.5625MB
% 0.08/0.17 % OS : Linux 6.8.0-71-generic
% 0.08/0.17 % CPULimit : 300
% 0.08/0.17 % WCLimit : 300
% 0.08/0.17 % DateTime : Tue Sep 29 17:15:48 UTC 2026
% 0.08/0.17 % CPUTime :
% 0.08/0.17 Running run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.08/0.22 Running higher-order theorem proving
% 0.08/0.23 Running: /export/starexec/sandbox2/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/sandbox2/tmp/tmp.gRBbVoIh6Z/E---3.1_3830206.p
% 0.08/0.24 % Version: 3.5.1-ho
% 0.08/0.24 % Preprocessing class: HSSSSMSSSSSNHHA.
% 0.08/0.24 % Scheduled 5 strats onto 8 cores with 300 seconds (2400 total)
% 0.08/0.24 % Starting sh2lt with 1200s (4) cores
% 0.08/0.24 % Starting new_ho_10_unif with 300s (1) cores
% 0.08/0.24 % Starting full_lambda_6 with 300s (1) cores
% 0.08/0.24 % Starting post_as_ho1 with 300s (1) cores
% 0.08/0.24 % Starting ehoh_best3_rw with 300s (1) cores
% 0.08/0.24 % sh2lt with pid 3830219 completed with status 0
% 0.08/0.24 % Result found by sh2lt
% 0.08/0.24 % Preprocessing class: HSSSSMSSSSSNHHA.
% 0.08/0.24 % Scheduled 5 strats onto 8 cores with 300 seconds (2400 total)
% 0.08/0.24 % Starting sh2lt with 1200s (4) cores
% 0.08/0.24 % (lift_lambdas = 1, lambda_to_forall = 1,unroll_only_formulas = 0, sine = GSinE(CountFormulas,hypos,5,,4,20000,1.0,true))
% 0.08/0.24 % SinE strategy is GSinE(CountFormulas,hypos,5,,4,20000,1.0,true)
% 0.08/0.24 % Search class: HHUSF-FFSF11-SHHFFFBN
% 0.08/0.24 % partial match(2): HGUSF-FFSF11-SHHFFSBN
% 0.08/0.24 % Scheduled 7 strats onto 4 cores with 1200 seconds (1200 total)
% 0.08/0.24 % Starting SubtermCWHack with 109s (1) cores
% 0.08/0.24 % Starting sh2lt with 121s (1) cores
% 0.08/0.24 % Starting new_bool_3 with 240s (1) cores
% 0.08/0.24 % Starting new_bool_1 with 240s (1) cores
% 0.08/0.24 % sh2lt with pid 3830226 completed with status 0
% 0.08/0.24 % Result found by sh2lt
% 0.08/0.24 % Preprocessing class: HSSSSMSSSSSNHHA.
% 0.08/0.24 % Scheduled 5 strats onto 8 cores with 300 seconds (2400 total)
% 0.08/0.24 % Starting sh2lt with 1200s (4) cores
% 0.08/0.24 % (lift_lambdas = 1, lambda_to_forall = 1,unroll_only_formulas = 0, sine = GSinE(CountFormulas,hypos,5,,4,20000,1.0,true))
% 0.08/0.24 % SinE strategy is GSinE(CountFormulas,hypos,5,,4,20000,1.0,true)
% 0.08/0.24 % Search class: HHUSF-FFSF11-SHHFFFBN
% 0.08/0.24 % partial match(2): HGUSF-FFSF11-SHHFFSBN
% 0.08/0.24 % Scheduled 7 strats onto 4 cores with 1200 seconds (1200 total)
% 0.08/0.24 % Starting SubtermCWHack with 109s (1) cores
% 0.08/0.24 % Starting sh2lt with 121s (1) cores
% 0.08/0.24 % Preprocessing time : 0.001 s
% 0.08/0.24 % Presaturation interreduction done
% 0.08/0.24
% 0.08/0.24 % Proof found!
% 0.08/0.24 % SZS status Theorem
% 0.08/0.24 % SZS output start CNFRefutation
% See solution above
% 0.08/0.24 % Parsed axioms : 1
% 0.08/0.24 % Removed by relevancy pruning/SinE : 0
% 0.08/0.24 % Initial clauses : 3
% 0.08/0.24 % Removed in clause preprocessing : 0
% 0.08/0.24 % Initial clauses in saturation : 3
% 0.08/0.24 % Processed clauses : 8
% 0.08/0.24 % ...of these trivial : 0
% 0.08/0.24 % ...subsumed : 0
% 0.08/0.24 % ...remaining for further processing : 8
% 0.08/0.24 % Other redundant clauses eliminated : 0
% 0.08/0.24 % Clauses deleted for lack of memory : 0
% 0.08/0.24 % Backward-subsumed : 0
% 0.08/0.24 % Backward-rewritten : 1
% 0.08/0.24 % Generated clauses : 5
% 0.08/0.24 % ...of the previous two non-redundant : 3
% 0.08/0.24 % ...aggressively subsumed : 0
% 0.08/0.24 % Contextual simplify-reflections : 0
% 0.08/0.24 % Paramodulations : 3
% 0.08/0.24 % Factorizations : 0
% 0.08/0.24 % NegExts : 0
% 0.08/0.24 % Equation resolutions : 0
% 0.08/0.24 % Disequality decompositions : 0
% 0.08/0.24 % Total rewrite steps : 1
% 0.08/0.24 % ...of those cached : 0
% 0.08/0.24 % Propositional unsat checks : 0
% 0.08/0.24 % Propositional check models : 0
% 0.08/0.24 % Propositional check unsatisfiable : 0
% 0.08/0.24 % Propositional clauses : 0
% 0.08/0.24 % Propositional clauses after purity: 0
% 0.08/0.24 % Propositional unsat core size : 0
% 0.08/0.24 % Propositional preprocessing time : 0.000
% 0.08/0.24 % Propositional encoding time : 0.000
% 0.08/0.24 % Propositional solver time : 0.000
% 0.08/0.24 % Success case prop preproc time : 0.000
% 0.08/0.24 % Success case prop encoding time : 0.000
% 0.08/0.24 % Success case prop solver time : 0.000
% 0.08/0.24 % Current number of processed clauses : 4
% 0.08/0.24 % Positive orientable unit clauses : 2
% 0.08/0.24 % Positive unorientable unit clauses: 0
% 0.08/0.24 % Negative unit clauses : 1
% 0.08/0.24 % Non-unit-clauses : 1
% 0.08/0.24 % Current number of unprocessed clauses: 1
% 0.08/0.24 % ...number of literals in the above : 2
% 0.08/0.24 % Current number of archived formulas : 0
% 0.08/0.24 % Current number of archived clauses : 5
% 0.08/0.24 % Clause-clause subsumption calls (NU) : 0
% 0.08/0.24 % Rec. Clause-clause subsumption calls : 0
% 0.08/0.24 % Non-unit clause-clause subsumptions : 0
% 0.08/0.24 % Unit Clause-clause subsumption calls : 0
% 0.08/0.24 % Rewrite failures with RHS unbound : 0
% 0.08/0.24 % BW rewrite match attempts : 1
% 0.08/0.24 % BW rewrite match successes : 1
% 0.08/0.24 % Condensation attempts : 0
% 0.08/0.24 % Condensation successes : 0
% 0.08/0.24 % Termbank termtop insertions : 412
% 0.08/0.24 % Search garbage collected termcells : 100
% 0.08/0.24
% 0.08/0.24 % -------------------------------------------------
% 0.08/0.25 % User time : 0.003 s
% 0.08/0.25 % System time : 0.002 s
% 0.08/0.25 % Total time : 0.005 s
% 0.08/0.25 % Maximum resident set size: 3632 pages
% 0.08/0.25
% 0.08/0.25 % -------------------------------------------------
% 0.08/0.25 % User time : 0.010 s
% 0.08/0.25 % System time : 0.006 s
% 0.08/0.25 % Total time : 0.016 s
% 0.08/0.25 % Maximum resident set size: 4864 pages
% 0.08/0.25 % E exiting
%------------------------------------------------------------------------------