%------------------------------------------------------------------------------
% File : E---3.5.1
% Problem : SYO456^4 : 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 08:43:04 AM UTC 2026
% Result : Theorem 0.21s 0.26s
% Output : CNFRefutation 0.21s
% Verified :
% SZS Type : Refutation
% Derivation depth : 9
% Number of leaves : 9
% Syntax : Number of formulae : 33 ( 18 unt; 0 typ; 0 def)
% Number of atoms : 104 ( 16 equ; 0 cnn)
% Maximal formula atoms : 10 ( 3 avg)
% Number of connectives : 222 ( 45 ~; 30 |; 4 &; 140 @)
% ( 0 <=>; 3 =>; 0 <=; 0 <~>)
% Maximal formula depth : 20 ( 4 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 23 ( 23 >; 0 *; 0 +; 0 <<)
% Number of symbols : 15 ( 13 usr; 3 con; 0-3 aty)
% Number of variables : 65 ( 31 ^; 34 !; 0 ?; 65 :)
% Comments :
%------------------------------------------------------------------------------
thf(decl_25,type,
mnot: ( $i > $o ) > $i > $o ).
thf(decl_26,type,
mor: ( $i > $o ) > ( $i > $o ) > $i > $o ).
thf(decl_28,type,
mimplies: ( $i > $o ) > ( $i > $o ) > $i > $o ).
thf(decl_41,type,
msymmetric: ( $i > $i > $o ) > $o ).
thf(decl_50,type,
mvalid: ( $i > $o ) > $o ).
thf(decl_54,type,
rel_b: $i > $i > $o ).
thf(decl_55,type,
mbox_b: ( $i > $o ) > $i > $o ).
thf(decl_56,type,
mdia_b: ( $i > $o ) > $i > $o ).
thf(decl_57,type,
p: $i > $o ).
thf(decl_59,type,
esk1_0: $i ).
thf(decl_60,type,
esk2_0: $i ).
thf(decl_61,type,
esk3_1: $i > $i ).
thf(decl_62,type,
esk4_1: $i > $i ).
thf(mimplies,axiom,
( mimplies
= ( ^ [X6: $i > $o,X7: $i > $o] : ( mor @ ( mnot @ X6 ) @ X7 ) ) ),
file('/export/starexec/sandbox/tmp/tmp.3uGghv0dqU/E---3.1_350893.p',mimplies) ).
thf(mnot,axiom,
( mnot
= ( ^ [X6: $i > $o,X3: $i] :
~ ( X6 @ X3 ) ) ),
file('/export/starexec/sandbox/tmp/tmp.3uGghv0dqU/E---3.1_350893.p',mnot) ).
thf(mor,axiom,
( mor
= ( ^ [X6: $i > $o,X7: $i > $o,X3: $i] :
( ( X6 @ X3 )
| ( X7 @ X3 ) ) ) ),
file('/export/starexec/sandbox/tmp/tmp.3uGghv0dqU/E---3.1_350893.p',mor) ).
thf(mdia_b,axiom,
( mdia_b
= ( ^ [X6: $i > $o] : ( mnot @ ( mbox_b @ ( mnot @ X6 ) ) ) ) ),
file('/export/starexec/sandbox/tmp/tmp.3uGghv0dqU/E---3.1_350893.p',mdia_b) ).
thf(mbox_b,axiom,
( mbox_b
= ( ^ [X6: $i > $o,X3: $i] :
! [X14: $i] :
( ~ ( rel_b @ X3 @ X14 )
| ( X6 @ X14 ) ) ) ),
file('/export/starexec/sandbox/tmp/tmp.3uGghv0dqU/E---3.1_350893.p',mbox_b) ).
thf(msymmetric,axiom,
( msymmetric
= ( ^ [X13: $i > $i > $o] :
! [X15: $i,X16: $i] :
( ( X13 @ X15 @ X16 )
=> ( X13 @ X16 @ X15 ) ) ) ),
file('/export/starexec/sandbox/tmp/tmp.3uGghv0dqU/E---3.1_350893.p',msymmetric) ).
thf(prove,conjecture,
mvalid @ ( mimplies @ ( mdia_b @ ( mbox_b @ ( mdia_b @ ( mbox_b @ p ) ) ) ) @ ( mdia_b @ ( mbox_b @ p ) ) ),
file('/export/starexec/sandbox/tmp/tmp.3uGghv0dqU/E---3.1_350893.p',prove) ).
thf(mvalid,axiom,
( mvalid
= ( ^ [X6: $i > $o] :
! [X3: $i] : ( X6 @ X3 ) ) ),
file('/export/starexec/sandbox/tmp/tmp.3uGghv0dqU/E---3.1_350893.p',mvalid) ).
thf(a2,axiom,
msymmetric @ rel_b,
file('/export/starexec/sandbox/tmp/tmp.3uGghv0dqU/E---3.1_350893.p',a2) ).
thf(c_0_9,plain,
( mimplies
= ( ^ [Z0: $i > $o,Z1: $i > $o,Z2: $i] :
( ~ ( Z0 @ Z2 )
| ( Z1 @ Z2 ) ) ) ),
inference(fof_simplification,[status(thm)],[mimplies]) ).
thf(c_0_10,plain,
( mnot
= ( ^ [Z0: $i > $o,Z1: $i] :
~ ( Z0 @ Z1 ) ) ),
inference(fof_simplification,[status(thm)],[mnot]) ).
thf(c_0_11,plain,
( mor
= ( ^ [Z0: $i > $o,Z1: $i > $o,Z2: $i] :
( ( Z0 @ Z2 )
| ( Z1 @ Z2 ) ) ) ),
inference(fof_simplification,[status(thm)],[mor]) ).
thf(c_0_12,plain,
( mdia_b
= ( ^ [Z0: $i > $o,Z1: $i] :
~ ! [X21: $i] :
( ~ ( rel_b @ Z1 @ X21 )
| ~ ( Z0 @ X21 ) ) ) ),
inference(fof_simplification,[status(thm)],[mdia_b]) ).
thf(c_0_13,plain,
( mbox_b
= ( ^ [Z0: $i > $o,Z1: $i] :
! [X14: $i] :
( ~ ( rel_b @ Z1 @ X14 )
| ( Z0 @ X14 ) ) ) ),
inference(fof_simplification,[status(thm)],[mbox_b]) ).
thf(c_0_14,plain,
( msymmetric
= ( ^ [Z0: $i > $i > $o] :
! [X15: $i,X16: $i] :
( ( Z0 @ X15 @ X16 )
=> ( Z0 @ X16 @ X15 ) ) ) ),
inference(fof_simplification,[status(thm)],[msymmetric]) ).
thf(c_0_15,negated_conjecture,
~ ( mvalid @ ( mimplies @ ( mdia_b @ ( mbox_b @ ( mdia_b @ ( mbox_b @ p ) ) ) ) @ ( mdia_b @ ( mbox_b @ p ) ) ) ),
inference(assume_negation,[status(cth)],[prove]) ).
thf(c_0_16,plain,
( mimplies
= ( ^ [Z0: $i > $o,Z1: $i > $o,Z2: $i] :
( ~ ( Z0 @ Z2 )
| ( Z1 @ Z2 ) ) ) ),
inference(apply_def,[status(thm)],[inference(apply_def,[status(thm)],[c_0_9,c_0_10]),c_0_11]) ).
thf(c_0_17,plain,
( mvalid
= ( ^ [Z0: $i > $o] :
! [X3: $i] : ( Z0 @ X3 ) ) ),
inference(fof_simplification,[status(thm)],[mvalid]) ).
thf(c_0_18,plain,
( mdia_b
= ( ^ [Z0: $i > $o,Z1: $i] :
~ ! [X21: $i] :
( ~ ( rel_b @ Z1 @ X21 )
| ~ ( Z0 @ X21 ) ) ) ),
inference(apply_def,[status(thm)],[inference(apply_def,[status(thm)],[c_0_12,c_0_10]),c_0_13]) ).
thf(c_0_19,plain,
! [X23: $i,X24: $i] :
( ( rel_b @ X23 @ X24 )
=> ( rel_b @ X24 @ X23 ) ),
inference(apply_def,[status(thm)],[a2,c_0_14]) ).
thf(c_0_20,negated_conjecture,
~ ! [X31: $i] :
( ~ ~ ! [X28: $i] :
( ~ ( rel_b @ X31 @ X28 )
| ~ ! [X27: $i] :
( ~ ( rel_b @ X28 @ X27 )
| ~ ! [X26: $i] :
( ~ ( rel_b @ X27 @ X26 )
| ~ ! [X25: $i] :
( ~ ( rel_b @ X26 @ X25 )
| ( p @ X25 ) ) ) ) )
| ~ ! [X30: $i] :
( ~ ( rel_b @ X31 @ X30 )
| ~ ! [X29: $i] :
( ~ ( rel_b @ X30 @ X29 )
| ( p @ X29 ) ) ) ),
inference(fof_simplification,[status(thm)],[inference(apply_def,[status(thm)],[inference(apply_def,[status(thm)],[inference(apply_def,[status(thm)],[inference(apply_def,[status(thm)],[c_0_15,c_0_16]),c_0_17]),c_0_13]),c_0_18])]) ).
thf(c_0_21,plain,
! [X33: $i,X34: $i] :
( ~ ( rel_b @ X33 @ X34 )
| ( rel_b @ X34 @ X33 ) ),
inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_19])])]) ).
thf(c_0_22,negated_conjecture,
! [X37: $i,X39: $i,X40: $i] :
( ( rel_b @ esk1_0 @ esk2_0 )
& ( ( rel_b @ X37 @ ( esk3_1 @ X37 ) )
| ~ ( rel_b @ esk2_0 @ X37 ) )
& ( ~ ( rel_b @ ( esk3_1 @ X37 ) @ X39 )
| ( p @ X39 )
| ~ ( rel_b @ esk2_0 @ X37 ) )
& ( ( rel_b @ X40 @ ( esk4_1 @ X40 ) )
| ~ ( rel_b @ esk1_0 @ X40 ) )
& ( ~ ( p @ ( esk4_1 @ X40 ) )
| ~ ( rel_b @ esk1_0 @ X40 ) ) ),
inference(distribute,[status(thm)],[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_20])])])])])]) ).
thf(c_0_23,plain,
! [X3: $i,X14: $i] :
( ( rel_b @ X14 @ X3 )
| ~ ( rel_b @ X3 @ X14 ) ),
inference(split_conjunct,[status(thm)],[c_0_21]) ).
thf(c_0_24,negated_conjecture,
! [X3: $i] :
( ( rel_b @ X3 @ ( esk3_1 @ X3 ) )
| ~ ( rel_b @ esk2_0 @ X3 ) ),
inference(split_conjunct,[status(thm)],[c_0_22]) ).
thf(c_0_25,negated_conjecture,
! [X14: $i,X3: $i] :
( ( p @ X14 )
| ~ ( rel_b @ ( esk3_1 @ X3 ) @ X14 )
| ~ ( rel_b @ esk2_0 @ X3 ) ),
inference(split_conjunct,[status(thm)],[c_0_22]) ).
thf(c_0_26,negated_conjecture,
! [X3: $i] :
( ( rel_b @ ( esk3_1 @ X3 ) @ X3 )
| ~ ( rel_b @ esk2_0 @ X3 ) ),
inference(spm,[status(thm)],[c_0_23,c_0_24]) ).
thf(c_0_27,negated_conjecture,
! [X3: $i] :
( ~ ( p @ ( esk4_1 @ X3 ) )
| ~ ( rel_b @ esk1_0 @ X3 ) ),
inference(split_conjunct,[status(thm)],[c_0_22]) ).
thf(c_0_28,negated_conjecture,
! [X3: $i] :
( ( p @ X3 )
| ~ ( rel_b @ esk2_0 @ X3 ) ),
inference(spm,[status(thm)],[c_0_25,c_0_26]) ).
thf(c_0_29,negated_conjecture,
! [X3: $i] :
( ~ ( rel_b @ esk2_0 @ ( esk4_1 @ X3 ) )
| ~ ( rel_b @ esk1_0 @ X3 ) ),
inference(spm,[status(thm)],[c_0_27,c_0_28]) ).
thf(c_0_30,negated_conjecture,
! [X3: $i] :
( ( rel_b @ X3 @ ( esk4_1 @ X3 ) )
| ~ ( rel_b @ esk1_0 @ X3 ) ),
inference(split_conjunct,[status(thm)],[c_0_22]) ).
thf(c_0_31,negated_conjecture,
rel_b @ esk1_0 @ esk2_0,
inference(split_conjunct,[status(thm)],[c_0_22]) ).
thf(c_0_32,negated_conjecture,
$false,
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_30]),c_0_31])]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SYO456^4 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.05 % Command : run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.07/0.18 % Computer : n018.cluster.edu
% 0.07/0.18 % Model : x86_64 x86_64
% 0.07/0.18 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.18 % Memory : 8046.5625MB
% 0.07/0.18 % OS : Linux 6.8.0-71-generic
% 0.07/0.18 % CPULimit : 300
% 0.07/0.18 % WCLimit : 300
% 0.07/0.18 % DateTime : Tue Sep 29 16:59:41 UTC 2026
% 0.07/0.18 % CPUTime :
% 0.07/0.18 Running run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.07/0.22 Running higher-order theorem proving
% 0.07/0.24 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.3uGghv0dqU/E---3.1_350893.p
% 0.21/0.26 % Version: 3.5.1-ho
% 0.21/0.26 % Preprocessing class: HSMSSMSSMLMNHSN.
% 0.21/0.26 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.21/0.26 % Starting ho_unfolding_3 with 1500s (5) cores
% 0.21/0.26 % Starting ehoh_best2_full_lfho with 300s (1) cores
% 0.21/0.26 % Starting almost_fo_3_lam with 300s (1) cores
% 0.21/0.26 % Starting post_as_ho1 with 300s (1) cores
% 0.21/0.26 % ehoh_best2_full_lfho with pid 350907 completed with status 0
% 0.21/0.26 % Result found by ehoh_best2_full_lfho
% 0.21/0.26 % Preprocessing class: HSMSSMSSMLMNHSN.
% 0.21/0.26 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.21/0.26 % Starting ho_unfolding_3 with 1500s (5) cores
% 0.21/0.26 % Starting ehoh_best2_full_lfho with 300s (1) cores
% 0.21/0.26 % (lift_lambdas = 0, lambda_to_forall = 1,unroll_only_formulas = 1, sine = Auto)
% 0.21/0.26 % No SInE strategy applied
% 0.21/0.26 % Search class: HHHNF-FFSF11-SHSSMFNN
% 0.21/0.26 % Scheduled 7 strats onto 1 cores with 300 seconds (300 total)
% 0.21/0.26 % Starting SubtermCWHack with 28s (1) cores
% 0.21/0.26 % SubtermCWHack with pid 350912 completed with status 0
% 0.21/0.26 % Result found by SubtermCWHack
% 0.21/0.26 % Preprocessing class: HSMSSMSSMLMNHSN.
% 0.21/0.26 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.21/0.26 % Starting ho_unfolding_3 with 1500s (5) cores
% 0.21/0.26 % Starting ehoh_best2_full_lfho with 300s (1) cores
% 0.21/0.26 % (lift_lambdas = 0, lambda_to_forall = 1,unroll_only_formulas = 1, sine = Auto)
% 0.21/0.26 % No SInE strategy applied
% 0.21/0.26 % Search class: HHHNF-FFSF11-SHSSMFNN
% 0.21/0.26 % Scheduled 7 strats onto 1 cores with 300 seconds (300 total)
% 0.21/0.26 % Starting SubtermCWHack with 28s (1) cores
% 0.21/0.26 % Preprocessing time : 0.001 s
% 0.21/0.26
% 0.21/0.26 % Proof found!
% 0.21/0.26 % SZS status Theorem
% 0.21/0.26 % SZS output start CNFRefutation
% See solution above
% 0.21/0.27 % Parsed axioms : 73
% 0.21/0.27 % Removed by relevancy pruning/SinE : 0
% 0.21/0.27 % Initial clauses : 44
% 0.21/0.27 % Removed in clause preprocessing : 37
% 0.21/0.27 % Initial clauses in saturation : 7
% 0.21/0.27 % Processed clauses : 15
% 0.21/0.27 % ...of these trivial : 0
% 0.21/0.27 % ...subsumed : 2
% 0.21/0.27 % ...remaining for further processing : 13
% 0.21/0.27 % Other redundant clauses eliminated : 0
% 0.21/0.27 % Clauses deleted for lack of memory : 0
% 0.21/0.27 % Backward-subsumed : 0
% 0.21/0.27 % Backward-rewritten : 0
% 0.21/0.27 % Generated clauses : 13
% 0.21/0.27 % ...of the previous two non-redundant : 10
% 0.21/0.27 % ...aggressively subsumed : 0
% 0.21/0.27 % Contextual simplify-reflections : 0
% 0.21/0.27 % Paramodulations : 13
% 0.21/0.27 % Factorizations : 0
% 0.21/0.27 % NegExts : 0
% 0.21/0.27 % Equation resolutions : 0
% 0.21/0.27 % Disequality decompositions : 0
% 0.21/0.27 % Total rewrite steps : 3
% 0.21/0.27 % ...of those cached : 1
% 0.21/0.27 % Propositional unsat checks : 0
% 0.21/0.27 % Propositional check models : 0
% 0.21/0.27 % Propositional check unsatisfiable : 0
% 0.21/0.27 % Propositional clauses : 0
% 0.21/0.27 % Propositional clauses after purity: 0
% 0.21/0.27 % Propositional unsat core size : 0
% 0.21/0.27 % Propositional preprocessing time : 0.000
% 0.21/0.27 % Propositional encoding time : 0.000
% 0.21/0.27 % Propositional solver time : 0.000
% 0.21/0.27 % Success case prop preproc time : 0.000
% 0.21/0.27 % Success case prop encoding time : 0.000
% 0.21/0.27 % Success case prop solver time : 0.000
% 0.21/0.27 % Current number of processed clauses : 13
% 0.21/0.27 % Positive orientable unit clauses : 3
% 0.21/0.27 % Positive unorientable unit clauses: 0
% 0.21/0.27 % Negative unit clauses : 0
% 0.21/0.27 % Non-unit-clauses : 10
% 0.21/0.27 % Current number of unprocessed clauses: 2
% 0.21/0.27 % ...number of literals in the above : 6
% 0.21/0.27 % Current number of archived formulas : 0
% 0.21/0.27 % Current number of archived clauses : 0
% 0.21/0.27 % Clause-clause subsumption calls (NU) : 24
% 0.21/0.27 % Rec. Clause-clause subsumption calls : 24
% 0.21/0.27 % Non-unit clause-clause subsumptions : 2
% 0.21/0.27 % Unit Clause-clause subsumption calls : 0
% 0.21/0.27 % Rewrite failures with RHS unbound : 0
% 0.21/0.27 % BW rewrite match attempts : 1
% 0.21/0.27 % BW rewrite match successes : 0
% 0.21/0.27 % Condensation attempts : 0
% 0.21/0.27 % Condensation successes : 0
% 0.21/0.27 % Termbank termtop insertions : 2790
% 0.21/0.27 % Search garbage collected termcells : 588
% 0.21/0.27
% 0.21/0.27 % -------------------------------------------------
% 0.21/0.27 % User time : 0.004 s
% 0.21/0.27 % System time : 0.003 s
% 0.21/0.27 % Total time : 0.007 s
% 0.21/0.27 % Maximum resident set size: 3700 pages
% 0.21/0.27
% 0.21/0.27 % -------------------------------------------------
% 0.21/0.27 % User time : 0.007 s
% 0.21/0.27 % System time : 0.008 s
% 0.21/0.27 % Total time : 0.015 s
% 0.21/0.27 % Maximum resident set size: 4864 pages
% 0.21/0.27 % E exiting
%------------------------------------------------------------------------------