TSTP Solution File: SEU326+2 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SEU326+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n032.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 0.20s 1.39s
% Output   : CNFRefutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   21 (   7 unt;   0 def)
%            Number of atoms       :   51 (  32 equ)
%            Maximal formula atoms :    9 (   2 avg)
%            Number of connectives :   56 (  26   ~;  14   |;  11   &)
%                                         (   0 <=>;   5  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :   22 (   0 sgn  16   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(t10_tops_2,conjecture,
    ! [X1,X2] :
      ( element(X2,powerset(powerset(X1)))
     => ( ~ ( X2 != empty_set
            & complements_of_subsets(X1,X2) = empty_set )
        & ~ ( complements_of_subsets(X1,X2) != empty_set
            & X2 = empty_set ) ) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p',t10_tops_2) ).

fof(t46_setfam_1,lemma,
    ! [X1,X2] :
      ( element(X2,powerset(powerset(X1)))
     => ~ ( X2 != empty_set
          & complements_of_subsets(X1,X2) = empty_set ) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p',t46_setfam_1) ).

fof(dt_k7_setfam_1,axiom,
    ! [X1,X2] :
      ( element(X2,powerset(powerset(X1)))
     => element(complements_of_subsets(X1,X2),powerset(powerset(X1))) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p',dt_k7_setfam_1) ).

fof(involutiveness_k7_setfam_1,axiom,
    ! [X1,X2] :
      ( element(X2,powerset(powerset(X1)))
     => complements_of_subsets(X1,complements_of_subsets(X1,X2)) = X2 ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p',involutiveness_k7_setfam_1) ).

fof(c_0_4,negated_conjecture,
    ~ ! [X1,X2] :
        ( element(X2,powerset(powerset(X1)))
       => ( ~ ( X2 != empty_set
              & complements_of_subsets(X1,X2) = empty_set )
          & ~ ( complements_of_subsets(X1,X2) != empty_set
              & X2 = empty_set ) ) ),
    inference(assume_negation,[status(cth)],[t10_tops_2]) ).

fof(c_0_5,lemma,
    ! [X3,X4] :
      ( ~ element(X4,powerset(powerset(X3)))
      | X4 = empty_set
      | complements_of_subsets(X3,X4) != empty_set ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t46_setfam_1])]) ).

fof(c_0_6,negated_conjecture,
    ( element(esk2_0,powerset(powerset(esk1_0)))
    & ( complements_of_subsets(esk1_0,esk2_0) != empty_set
      | esk2_0 != empty_set )
    & ( esk2_0 = empty_set
      | esk2_0 != empty_set )
    & ( complements_of_subsets(esk1_0,esk2_0) != empty_set
      | complements_of_subsets(esk1_0,esk2_0) = empty_set )
    & ( esk2_0 = empty_set
      | complements_of_subsets(esk1_0,esk2_0) = empty_set ) ),
    inference(distribute,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_4])])])]) ).

cnf(c_0_7,lemma,
    ( X2 = empty_set
    | complements_of_subsets(X1,X2) != empty_set
    | ~ element(X2,powerset(powerset(X1))) ),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_8,negated_conjecture,
    element(esk2_0,powerset(powerset(esk1_0))),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

cnf(c_0_9,negated_conjecture,
    ( complements_of_subsets(esk1_0,esk2_0) = empty_set
    | esk2_0 = empty_set ),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

fof(c_0_10,plain,
    ! [X3,X4] :
      ( ~ element(X4,powerset(powerset(X3)))
      | element(complements_of_subsets(X3,X4),powerset(powerset(X3))) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[dt_k7_setfam_1])]) ).

cnf(c_0_11,negated_conjecture,
    esk2_0 = empty_set,
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_7,c_0_8]),c_0_9]) ).

fof(c_0_12,plain,
    ! [X3,X4] :
      ( ~ element(X4,powerset(powerset(X3)))
      | complements_of_subsets(X3,complements_of_subsets(X3,X4)) = X4 ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[involutiveness_k7_setfam_1])]) ).

cnf(c_0_13,plain,
    ( element(complements_of_subsets(X1,X2),powerset(powerset(X1)))
    | ~ element(X2,powerset(powerset(X1))) ),
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

cnf(c_0_14,negated_conjecture,
    element(empty_set,powerset(powerset(esk1_0))),
    inference(rw,[status(thm)],[c_0_8,c_0_11]) ).

cnf(c_0_15,plain,
    ( complements_of_subsets(X1,complements_of_subsets(X1,X2)) = X2
    | ~ element(X2,powerset(powerset(X1))) ),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_16,negated_conjecture,
    ( esk2_0 != empty_set
    | complements_of_subsets(esk1_0,esk2_0) != empty_set ),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

cnf(c_0_17,negated_conjecture,
    element(complements_of_subsets(esk1_0,empty_set),powerset(powerset(esk1_0))),
    inference(spm,[status(thm)],[c_0_13,c_0_14]) ).

cnf(c_0_18,negated_conjecture,
    complements_of_subsets(esk1_0,complements_of_subsets(esk1_0,empty_set)) = empty_set,
    inference(spm,[status(thm)],[c_0_15,c_0_14]) ).

cnf(c_0_19,negated_conjecture,
    complements_of_subsets(esk1_0,empty_set) != empty_set,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_16,c_0_11]),c_0_11])]) ).

cnf(c_0_20,lemma,
    $false,
    inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_7,c_0_17]),c_0_18])]),c_0_19]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.09  % Problem  : SEU326+2 : TPTP v8.1.0. Released v3.3.0.
% 0.00/0.10  % Command  : run_ET %s %d
% 0.09/0.29  % Computer : n032.cluster.edu
% 0.09/0.29  % Model    : x86_64 x86_64
% 0.09/0.29  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.29  % Memory   : 8042.1875MB
% 0.09/0.29  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.29  % CPULimit : 300
% 0.09/0.29  % WCLimit  : 600
% 0.09/0.29  % DateTime : Sun Jun 19 08:55:47 EDT 2022
% 0.09/0.29  % CPUTime  : 
% 0.20/1.39  # Running protocol protocol_eprover_2d86bd69119e7e9cc4417c0ee581499eaf828bb2 for 23 seconds:
% 0.20/1.39  # SinE strategy is GSinE(CountFormulas,,1.1,,02,500,1.0)
% 0.20/1.39  # Preprocessing time       : 0.033 s
% 0.20/1.39  
% 0.20/1.39  # Proof found!
% 0.20/1.39  # SZS status Theorem
% 0.20/1.39  # SZS output start CNFRefutation
% See solution above
% 0.20/1.39  # Proof object total steps             : 21
% 0.20/1.39  # Proof object clause steps            : 12
% 0.20/1.39  # Proof object formula steps           : 9
% 0.20/1.39  # Proof object conjectures             : 11
% 0.20/1.39  # Proof object clause conjectures      : 8
% 0.20/1.39  # Proof object formula conjectures     : 3
% 0.20/1.39  # Proof object initial clauses used    : 6
% 0.20/1.39  # Proof object initial formulas used   : 4
% 0.20/1.39  # Proof object generating inferences   : 4
% 0.20/1.39  # Proof object simplifying inferences  : 8
% 0.20/1.39  # Training examples: 0 positive, 0 negative
% 0.20/1.39  # Parsed axioms                        : 539
% 0.20/1.39  # Removed by relevancy pruning/SinE    : 482
% 0.20/1.39  # Initial clauses                      : 226
% 0.20/1.39  # Removed in clause preprocessing      : 4
% 0.20/1.39  # Initial clauses in saturation        : 222
% 0.20/1.39  # Processed clauses                    : 234
% 0.20/1.39  # ...of these trivial                  : 1
% 0.20/1.39  # ...subsumed                          : 14
% 0.20/1.39  # ...remaining for further processing  : 219
% 0.20/1.39  # Other redundant clauses eliminated   : 38
% 0.20/1.39  # Clauses deleted for lack of memory   : 0
% 0.20/1.39  # Backward-subsumed                    : 0
% 0.20/1.39  # Backward-rewritten                   : 6
% 0.20/1.39  # Generated clauses                    : 704
% 0.20/1.39  # ...of the previous two non-trivial   : 677
% 0.20/1.39  # Contextual simplify-reflections      : 44
% 0.20/1.39  # Paramodulations                      : 662
% 0.20/1.39  # Factorizations                       : 2
% 0.20/1.39  # Equation resolutions                 : 40
% 0.20/1.39  # Current number of processed clauses  : 175
% 0.20/1.39  #    Positive orientable unit clauses  : 19
% 0.20/1.39  #    Positive unorientable unit clauses: 0
% 0.20/1.39  #    Negative unit clauses             : 5
% 0.20/1.39  #    Non-unit-clauses                  : 151
% 0.20/1.39  # Current number of unprocessed clauses: 631
% 0.20/1.39  # ...number of literals in the above   : 2896
% 0.20/1.39  # Current number of archived formulas  : 0
% 0.20/1.39  # Current number of archived clauses   : 6
% 0.20/1.39  # Clause-clause subsumption calls (NU) : 16362
% 0.20/1.39  # Rec. Clause-clause subsumption calls : 1662
% 0.20/1.39  # Non-unit clause-clause subsumptions  : 58
% 0.20/1.39  # Unit Clause-clause subsumption calls : 163
% 0.20/1.39  # Rewrite failures with RHS unbound    : 0
% 0.20/1.39  # BW rewrite match attempts            : 3
% 0.20/1.39  # BW rewrite match successes           : 2
% 0.20/1.39  # Condensation attempts                : 0
% 0.20/1.39  # Condensation successes               : 0
% 0.20/1.39  # Termbank termtop insertions          : 33488
% 0.20/1.39  
% 0.20/1.39  # -------------------------------------------------
% 0.20/1.39  # User time                : 0.052 s
% 0.20/1.39  # System time              : 0.003 s
% 0.20/1.39  # Total time               : 0.055 s
% 0.20/1.39  # Maximum resident set size: 5324 pages
%------------------------------------------------------------------------------