TSTP Solution File: SEU327+1 by ET---2.0
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%------------------------------------------------------------------------------
% File : ET---2.0
% Problem : SEU327+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm : none
% Format : tptp:raw
% Command : run_ET %s %d
% Computer : n023.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8042.1875MB
% OS : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit : 600s
% DateTime : Tue Jul 19 09:19:01 EDT 2022
% Result : Theorem 0.26s 1.42s
% Output : CNFRefutation 0.26s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 7
% Syntax : Number of formulae : 30 ( 13 unt; 0 def)
% Number of atoms : 58 ( 28 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 50 ( 22 ~; 16 |; 3 &)
% ( 0 <=>; 9 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 3 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 11 ( 11 usr; 3 con; 0-3 aty)
% Number of variables : 42 ( 0 sgn 26 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(t47_setfam_1,axiom,
! [X1,X2] :
( element(X2,powerset(powerset(X1)))
=> ( X2 != empty_set
=> subset_difference(X1,cast_to_subset(X1),union_of_subsets(X1,X2)) = meet_of_subsets(X1,complements_of_subsets(X1,X2)) ) ),
file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t47_setfam_1) ).
fof(d4_subset_1,axiom,
! [X1] : cast_to_subset(X1) = X1,
file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',d4_subset_1) ).
fof(dt_k2_subset_1,axiom,
! [X1] : element(cast_to_subset(X1),powerset(X1)),
file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',dt_k2_subset_1) ).
fof(t11_tops_2,conjecture,
! [X1,X2] :
( element(X2,powerset(powerset(X1)))
=> ( X2 != empty_set
=> meet_of_subsets(X1,complements_of_subsets(X1,X2)) = subset_complement(X1,union_of_subsets(X1,X2)) ) ),
file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t11_tops_2) ).
fof(redefinition_k6_subset_1,axiom,
! [X1,X2,X3] :
( ( element(X2,powerset(X1))
& element(X3,powerset(X1)) )
=> subset_difference(X1,X2,X3) = set_difference(X2,X3) ),
file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',redefinition_k6_subset_1) ).
fof(dt_k5_setfam_1,axiom,
! [X1,X2] :
( element(X2,powerset(powerset(X1)))
=> element(union_of_subsets(X1,X2),powerset(X1)) ),
file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',dt_k5_setfam_1) ).
fof(d5_subset_1,axiom,
! [X1,X2] :
( element(X2,powerset(X1))
=> subset_complement(X1,X2) = set_difference(X1,X2) ),
file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',d5_subset_1) ).
fof(c_0_7,plain,
! [X3,X4] :
( ~ element(X4,powerset(powerset(X3)))
| X4 = empty_set
| subset_difference(X3,cast_to_subset(X3),union_of_subsets(X3,X4)) = meet_of_subsets(X3,complements_of_subsets(X3,X4)) ),
inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t47_setfam_1])]) ).
fof(c_0_8,plain,
! [X2] : cast_to_subset(X2) = X2,
inference(variable_rename,[status(thm)],[d4_subset_1]) ).
fof(c_0_9,plain,
! [X2] : element(cast_to_subset(X2),powerset(X2)),
inference(variable_rename,[status(thm)],[dt_k2_subset_1]) ).
fof(c_0_10,negated_conjecture,
~ ! [X1,X2] :
( element(X2,powerset(powerset(X1)))
=> ( X2 != empty_set
=> meet_of_subsets(X1,complements_of_subsets(X1,X2)) = subset_complement(X1,union_of_subsets(X1,X2)) ) ),
inference(assume_negation,[status(cth)],[t11_tops_2]) ).
cnf(c_0_11,plain,
( subset_difference(X1,cast_to_subset(X1),union_of_subsets(X1,X2)) = meet_of_subsets(X1,complements_of_subsets(X1,X2))
| X2 = empty_set
| ~ element(X2,powerset(powerset(X1))) ),
inference(split_conjunct,[status(thm)],[c_0_7]) ).
cnf(c_0_12,plain,
cast_to_subset(X1) = X1,
inference(split_conjunct,[status(thm)],[c_0_8]) ).
fof(c_0_13,plain,
! [X4,X5,X6] :
( ~ element(X5,powerset(X4))
| ~ element(X6,powerset(X4))
| subset_difference(X4,X5,X6) = set_difference(X5,X6) ),
inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[redefinition_k6_subset_1])]) ).
cnf(c_0_14,plain,
element(cast_to_subset(X1),powerset(X1)),
inference(split_conjunct,[status(thm)],[c_0_9]) ).
fof(c_0_15,plain,
! [X3,X4] :
( ~ element(X4,powerset(powerset(X3)))
| element(union_of_subsets(X3,X4),powerset(X3)) ),
inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[dt_k5_setfam_1])]) ).
fof(c_0_16,negated_conjecture,
( element(esk2_0,powerset(powerset(esk1_0)))
& esk2_0 != empty_set
& meet_of_subsets(esk1_0,complements_of_subsets(esk1_0,esk2_0)) != subset_complement(esk1_0,union_of_subsets(esk1_0,esk2_0)) ),
inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_10])])]) ).
cnf(c_0_17,plain,
( X2 = empty_set
| subset_difference(X1,X1,union_of_subsets(X1,X2)) = meet_of_subsets(X1,complements_of_subsets(X1,X2))
| ~ element(X2,powerset(powerset(X1))) ),
inference(rw,[status(thm)],[c_0_11,c_0_12]) ).
cnf(c_0_18,plain,
( subset_difference(X1,X2,X3) = set_difference(X2,X3)
| ~ element(X3,powerset(X1))
| ~ element(X2,powerset(X1)) ),
inference(split_conjunct,[status(thm)],[c_0_13]) ).
cnf(c_0_19,plain,
element(X1,powerset(X1)),
inference(rw,[status(thm)],[c_0_14,c_0_12]) ).
cnf(c_0_20,plain,
( element(union_of_subsets(X1,X2),powerset(X1))
| ~ element(X2,powerset(powerset(X1))) ),
inference(split_conjunct,[status(thm)],[c_0_15]) ).
cnf(c_0_21,negated_conjecture,
meet_of_subsets(esk1_0,complements_of_subsets(esk1_0,esk2_0)) != subset_complement(esk1_0,union_of_subsets(esk1_0,esk2_0)),
inference(split_conjunct,[status(thm)],[c_0_16]) ).
cnf(c_0_22,plain,
( meet_of_subsets(X1,complements_of_subsets(X1,X2)) = set_difference(X1,union_of_subsets(X1,X2))
| X2 = empty_set
| ~ element(X2,powerset(powerset(X1))) ),
inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_17,c_0_18]),c_0_19])]),c_0_20]) ).
cnf(c_0_23,negated_conjecture,
element(esk2_0,powerset(powerset(esk1_0))),
inference(split_conjunct,[status(thm)],[c_0_16]) ).
cnf(c_0_24,negated_conjecture,
esk2_0 != empty_set,
inference(split_conjunct,[status(thm)],[c_0_16]) ).
fof(c_0_25,plain,
! [X3,X4] :
( ~ element(X4,powerset(X3))
| subset_complement(X3,X4) = set_difference(X3,X4) ),
inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[d5_subset_1])]) ).
cnf(c_0_26,negated_conjecture,
subset_complement(esk1_0,union_of_subsets(esk1_0,esk2_0)) != set_difference(esk1_0,union_of_subsets(esk1_0,esk2_0)),
inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_21,c_0_22]),c_0_23])]),c_0_24]) ).
cnf(c_0_27,plain,
( subset_complement(X1,X2) = set_difference(X1,X2)
| ~ element(X2,powerset(X1)) ),
inference(split_conjunct,[status(thm)],[c_0_25]) ).
cnf(c_0_28,negated_conjecture,
~ element(union_of_subsets(esk1_0,esk2_0),powerset(esk1_0)),
inference(spm,[status(thm)],[c_0_26,c_0_27]) ).
cnf(c_0_29,negated_conjecture,
$false,
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_28,c_0_20]),c_0_23])]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12 % Problem : SEU327+1 : TPTP v8.1.0. Released v3.3.0.
% 0.07/0.13 % Command : run_ET %s %d
% 0.13/0.34 % Computer : n023.cluster.edu
% 0.13/0.34 % Model : x86_64 x86_64
% 0.13/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34 % Memory : 8042.1875MB
% 0.13/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34 % CPULimit : 300
% 0.13/0.34 % WCLimit : 600
% 0.13/0.34 % DateTime : Sun Jun 19 11:06:03 EDT 2022
% 0.13/0.34 % CPUTime :
% 0.26/1.42 # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.26/1.42 # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.26/1.42 # Preprocessing time : 0.030 s
% 0.26/1.42
% 0.26/1.42 # Proof found!
% 0.26/1.42 # SZS status Theorem
% 0.26/1.42 # SZS output start CNFRefutation
% See solution above
% 0.26/1.42 # Proof object total steps : 30
% 0.26/1.42 # Proof object clause steps : 15
% 0.26/1.42 # Proof object formula steps : 15
% 0.26/1.42 # Proof object conjectures : 9
% 0.26/1.42 # Proof object clause conjectures : 6
% 0.26/1.42 # Proof object formula conjectures : 3
% 0.26/1.42 # Proof object initial clauses used : 9
% 0.26/1.42 # Proof object initial formulas used : 7
% 0.26/1.42 # Proof object generating inferences : 4
% 0.26/1.42 # Proof object simplifying inferences : 10
% 0.26/1.42 # Training examples: 0 positive, 0 negative
% 0.26/1.42 # Parsed axioms : 59
% 0.26/1.42 # Removed by relevancy pruning/SinE : 21
% 0.26/1.42 # Initial clauses : 76
% 0.26/1.42 # Removed in clause preprocessing : 1
% 0.26/1.42 # Initial clauses in saturation : 75
% 0.26/1.42 # Processed clauses : 611
% 0.26/1.42 # ...of these trivial : 12
% 0.26/1.42 # ...subsumed : 203
% 0.26/1.42 # ...remaining for further processing : 396
% 0.26/1.42 # Other redundant clauses eliminated : 0
% 0.26/1.42 # Clauses deleted for lack of memory : 0
% 0.26/1.42 # Backward-subsumed : 2
% 0.26/1.42 # Backward-rewritten : 7
% 0.26/1.42 # Generated clauses : 1870
% 0.26/1.42 # ...of the previous two non-trivial : 1384
% 0.26/1.42 # Contextual simplify-reflections : 31
% 0.26/1.42 # Paramodulations : 1870
% 0.26/1.42 # Factorizations : 0
% 0.26/1.42 # Equation resolutions : 0
% 0.26/1.42 # Current number of processed clauses : 387
% 0.26/1.42 # Positive orientable unit clauses : 63
% 0.26/1.42 # Positive unorientable unit clauses: 0
% 0.26/1.42 # Negative unit clauses : 6
% 0.26/1.42 # Non-unit-clauses : 318
% 0.26/1.42 # Current number of unprocessed clauses: 799
% 0.26/1.42 # ...number of literals in the above : 2435
% 0.26/1.42 # Current number of archived formulas : 0
% 0.26/1.42 # Current number of archived clauses : 10
% 0.26/1.42 # Clause-clause subsumption calls (NU) : 13118
% 0.26/1.42 # Rec. Clause-clause subsumption calls : 12258
% 0.26/1.42 # Non-unit clause-clause subsumptions : 234
% 0.26/1.42 # Unit Clause-clause subsumption calls : 183
% 0.26/1.42 # Rewrite failures with RHS unbound : 0
% 0.26/1.42 # BW rewrite match attempts : 76
% 0.26/1.42 # BW rewrite match successes : 5
% 0.26/1.42 # Condensation attempts : 0
% 0.26/1.42 # Condensation successes : 0
% 0.26/1.42 # Termbank termtop insertions : 25612
% 0.26/1.42
% 0.26/1.42 # -------------------------------------------------
% 0.26/1.42 # User time : 0.094 s
% 0.26/1.42 # System time : 0.006 s
% 0.26/1.42 # Total time : 0.100 s
% 0.26/1.42 # Maximum resident set size: 4408 pages
% 0.26/23.43 eprover: CPU time limit exceeded, terminating
% 0.26/23.48 eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.26/23.48 eprover: No such file or directory
% 0.26/23.48 eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.26/23.48 eprover: No such file or directory
% 0.26/23.49 eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.26/23.49 eprover: No such file or directory
% 0.26/23.49 eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.26/23.49 eprover: No such file or directory
% 0.26/23.50 eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.26/23.50 eprover: No such file or directory
% 0.26/23.50 eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.26/23.50 eprover: No such file or directory
% 0.26/23.51 eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.26/23.51 eprover: No such file or directory
% 0.26/23.51 eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.26/23.51 eprover: No such file or directory
% 0.26/23.51 eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.26/23.51 eprover: No such file or directory
% 0.26/23.52 eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.26/23.52 eprover: No such file or directory
% 0.26/23.52 eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.26/23.52 eprover: No such file or directory
%------------------------------------------------------------------------------