TSTP Solution File: SET978+1 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SET978+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n027.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 00:55:50 EDT 2022

% Result   : Theorem 0.24s 1.42s
% Output   : CNFRefutation 0.24s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   21 (   3 unt;   0 def)
%            Number of atoms       :   45 (   9 equ)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :   43 (  19   ~;  15   |;   4   &)
%                                         (   0 <=>;   5  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   6 con; 0-2 aty)
%            Number of variables   :   52 (  12 sgn  24   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(symmetry_r1_xboole_0,axiom,
    ! [X1,X2] :
      ( disjoint(X1,X2)
     => disjoint(X2,X1) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',symmetry_r1_xboole_0) ).

fof(t127_zfmisc_1,axiom,
    ! [X1,X2,X3,X4] :
      ( ( disjoint(X1,X2)
        | disjoint(X3,X4) )
     => disjoint(cartesian_product2(X1,X3),cartesian_product2(X2,X4)) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t127_zfmisc_1) ).

fof(t131_zfmisc_1,conjecture,
    ! [X1,X2,X3,X4] :
      ( X1 != X2
     => ( disjoint(cartesian_product2(singleton(X1),X3),cartesian_product2(singleton(X2),X4))
        & disjoint(cartesian_product2(X3,singleton(X1)),cartesian_product2(X4,singleton(X2))) ) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t131_zfmisc_1) ).

fof(t17_zfmisc_1,axiom,
    ! [X1,X2] :
      ( X1 != X2
     => disjoint(singleton(X1),singleton(X2)) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t17_zfmisc_1) ).

fof(c_0_4,plain,
    ! [X3,X4] :
      ( ~ disjoint(X3,X4)
      | disjoint(X4,X3) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[symmetry_r1_xboole_0])]) ).

fof(c_0_5,plain,
    ! [X5,X6,X7,X8] :
      ( ( ~ disjoint(X5,X6)
        | disjoint(cartesian_product2(X5,X7),cartesian_product2(X6,X8)) )
      & ( ~ disjoint(X7,X8)
        | disjoint(cartesian_product2(X5,X7),cartesian_product2(X6,X8)) ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t127_zfmisc_1])])]) ).

fof(c_0_6,negated_conjecture,
    ~ ! [X1,X2,X3,X4] :
        ( X1 != X2
       => ( disjoint(cartesian_product2(singleton(X1),X3),cartesian_product2(singleton(X2),X4))
          & disjoint(cartesian_product2(X3,singleton(X1)),cartesian_product2(X4,singleton(X2))) ) ),
    inference(assume_negation,[status(cth)],[t131_zfmisc_1]) ).

cnf(c_0_7,plain,
    ( disjoint(X1,X2)
    | ~ disjoint(X2,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_8,plain,
    ( disjoint(cartesian_product2(X1,X2),cartesian_product2(X3,X4))
    | ~ disjoint(X1,X3) ),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

fof(c_0_9,plain,
    ! [X3,X4] :
      ( X3 = X4
      | disjoint(singleton(X3),singleton(X4)) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t17_zfmisc_1])]) ).

fof(c_0_10,negated_conjecture,
    ( esk1_0 != esk2_0
    & ( ~ disjoint(cartesian_product2(singleton(esk1_0),esk3_0),cartesian_product2(singleton(esk2_0),esk4_0))
      | ~ disjoint(cartesian_product2(esk5_0,singleton(esk1_0)),cartesian_product2(esk6_0,singleton(esk2_0))) ) ),
    inference(skolemize,[status(esa)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_6])])])]) ).

cnf(c_0_11,plain,
    ( disjoint(cartesian_product2(X1,X2),cartesian_product2(X3,X4))
    | ~ disjoint(X3,X1) ),
    inference(spm,[status(thm)],[c_0_7,c_0_8]) ).

cnf(c_0_12,plain,
    ( disjoint(singleton(X1),singleton(X2))
    | X1 = X2 ),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_13,plain,
    ( disjoint(cartesian_product2(X1,X2),cartesian_product2(X3,X4))
    | ~ disjoint(X2,X4) ),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_14,negated_conjecture,
    ( ~ disjoint(cartesian_product2(esk5_0,singleton(esk1_0)),cartesian_product2(esk6_0,singleton(esk2_0)))
    | ~ disjoint(cartesian_product2(singleton(esk1_0),esk3_0),cartesian_product2(singleton(esk2_0),esk4_0)) ),
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

cnf(c_0_15,plain,
    ( X1 = X2
    | disjoint(cartesian_product2(singleton(X2),X3),cartesian_product2(singleton(X1),X4)) ),
    inference(spm,[status(thm)],[c_0_11,c_0_12]) ).

cnf(c_0_16,negated_conjecture,
    esk1_0 != esk2_0,
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

cnf(c_0_17,plain,
    ( disjoint(cartesian_product2(X1,X2),cartesian_product2(X3,X4))
    | ~ disjoint(X4,X2) ),
    inference(spm,[status(thm)],[c_0_7,c_0_13]) ).

cnf(c_0_18,negated_conjecture,
    ~ disjoint(cartesian_product2(esk5_0,singleton(esk1_0)),cartesian_product2(esk6_0,singleton(esk2_0))),
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_14,c_0_15]),c_0_16]) ).

cnf(c_0_19,plain,
    ( X1 = X2
    | disjoint(cartesian_product2(X3,singleton(X2)),cartesian_product2(X4,singleton(X1))) ),
    inference(spm,[status(thm)],[c_0_17,c_0_12]) ).

cnf(c_0_20,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_18,c_0_19]),c_0_16]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET978+1 : TPTP v8.1.0. Released v3.2.0.
% 0.07/0.13  % Command  : run_ET %s %d
% 0.13/0.34  % Computer : n027.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 : Sat Jul  9 16:15:17 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.24/1.42  # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.24/1.42  # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.24/1.42  # Preprocessing time       : 0.014 s
% 0.24/1.42  
% 0.24/1.42  # Proof found!
% 0.24/1.42  # SZS status Theorem
% 0.24/1.42  # SZS output start CNFRefutation
% See solution above
% 0.24/1.42  # Proof object total steps             : 21
% 0.24/1.42  # Proof object clause steps            : 12
% 0.24/1.42  # Proof object formula steps           : 9
% 0.24/1.42  # Proof object conjectures             : 7
% 0.24/1.42  # Proof object clause conjectures      : 4
% 0.24/1.42  # Proof object formula conjectures     : 3
% 0.24/1.42  # Proof object initial clauses used    : 6
% 0.24/1.42  # Proof object initial formulas used   : 4
% 0.24/1.42  # Proof object generating inferences   : 6
% 0.24/1.42  # Proof object simplifying inferences  : 2
% 0.24/1.42  # Training examples: 0 positive, 0 negative
% 0.24/1.42  # Parsed axioms                        : 6
% 0.24/1.42  # Removed by relevancy pruning/SinE    : 2
% 0.24/1.42  # Initial clauses                      : 6
% 0.24/1.42  # Removed in clause preprocessing      : 0
% 0.24/1.42  # Initial clauses in saturation        : 6
% 0.24/1.42  # Processed clauses                    : 13
% 0.24/1.42  # ...of these trivial                  : 0
% 0.24/1.42  # ...subsumed                          : 1
% 0.24/1.42  # ...remaining for further processing  : 12
% 0.24/1.42  # Other redundant clauses eliminated   : 0
% 0.24/1.42  # Clauses deleted for lack of memory   : 0
% 0.24/1.42  # Backward-subsumed                    : 0
% 0.24/1.42  # Backward-rewritten                   : 0
% 0.24/1.42  # Generated clauses                    : 24
% 0.24/1.42  # ...of the previous two non-trivial   : 23
% 0.24/1.42  # Contextual simplify-reflections      : 0
% 0.24/1.42  # Paramodulations                      : 24
% 0.24/1.42  # Factorizations                       : 0
% 0.24/1.42  # Equation resolutions                 : 0
% 0.24/1.42  # Current number of processed clauses  : 12
% 0.24/1.42  #    Positive orientable unit clauses  : 0
% 0.24/1.42  #    Positive unorientable unit clauses: 0
% 0.24/1.42  #    Negative unit clauses             : 2
% 0.24/1.42  #    Non-unit-clauses                  : 10
% 0.24/1.42  # Current number of unprocessed clauses: 16
% 0.24/1.42  # ...number of literals in the above   : 29
% 0.24/1.42  # Current number of archived formulas  : 0
% 0.24/1.42  # Current number of archived clauses   : 0
% 0.24/1.42  # Clause-clause subsumption calls (NU) : 30
% 0.24/1.42  # Rec. Clause-clause subsumption calls : 30
% 0.24/1.42  # Non-unit clause-clause subsumptions  : 1
% 0.24/1.42  # Unit Clause-clause subsumption calls : 2
% 0.24/1.42  # Rewrite failures with RHS unbound    : 0
% 0.24/1.42  # BW rewrite match attempts            : 0
% 0.24/1.42  # BW rewrite match successes           : 0
% 0.24/1.42  # Condensation attempts                : 0
% 0.24/1.42  # Condensation successes               : 0
% 0.24/1.42  # Termbank termtop insertions          : 648
% 0.24/1.42  
% 0.24/1.42  # -------------------------------------------------
% 0.24/1.42  # User time                : 0.011 s
% 0.24/1.42  # System time              : 0.004 s
% 0.24/1.42  # Total time               : 0.015 s
% 0.24/1.42  # Maximum resident set size: 2772 pages
%------------------------------------------------------------------------------