TSTP Solution File: SET091+1 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SET091+1 : TPTP v8.1.0. Bugfixed v7.3.0.
% 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 00:49:00 EDT 2022

% Result   : Theorem 0.24s 1.42s
% Output   : CNFRefutation 0.24s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   17 (   4 unt;   0 def)
%            Number of atoms       :   36 (  27 equ)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :   33 (  14   ~;  11   |;   6   &)
%                                         (   0 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   3 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; 0-1 aty)
%            Number of variables   :   17 (   0 sgn   9   !;   2   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(member_when_not_a_singleton,conjecture,
    ! [X1,X3] :
      ( ( ~ ? [X2] :
              ( member(X2,universal_class)
              & X1 = singleton(X2) )
        & X1 = X3 )
     => member_of(X1) = X3 ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',member_when_not_a_singleton) ).

fof(member_universal_self,axiom,
    ! [X1] :
      ( member(member_of(X1),universal_class)
      | member_of(X1) = X1 ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',member_universal_self) ).

fof(singleton_self,axiom,
    ! [X1] :
      ( singleton(member_of(X1)) = X1
      | member_of(X1) = X1 ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',singleton_self) ).

fof(c_0_3,negated_conjecture,
    ~ ! [X1,X3] :
        ( ( ~ ? [X2] :
                ( member(X2,universal_class)
                & X1 = singleton(X2) )
          & X1 = X3 )
       => member_of(X1) = X3 ),
    inference(assume_negation,[status(cth)],[member_when_not_a_singleton]) ).

fof(c_0_4,negated_conjecture,
    ! [X6] :
      ( ( ~ member(X6,universal_class)
        | esk1_0 != singleton(X6) )
      & esk1_0 = esk2_0
      & member_of(esk1_0) != esk2_0 ),
    inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_3])])])])])]) ).

cnf(c_0_5,negated_conjecture,
    ( esk1_0 != singleton(X1)
    | ~ member(X1,universal_class) ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_6,negated_conjecture,
    esk1_0 = esk2_0,
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

fof(c_0_7,plain,
    ! [X2] :
      ( member(member_of(X2),universal_class)
      | member_of(X2) = X2 ),
    inference(variable_rename,[status(thm)],[member_universal_self]) ).

cnf(c_0_8,negated_conjecture,
    ( singleton(X1) != esk2_0
    | ~ member(X1,universal_class) ),
    inference(rw,[status(thm)],[c_0_5,c_0_6]) ).

cnf(c_0_9,plain,
    ( member_of(X1) = X1
    | member(member_of(X1),universal_class) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

fof(c_0_10,plain,
    ! [X2] :
      ( singleton(member_of(X2)) = X2
      | member_of(X2) = X2 ),
    inference(variable_rename,[status(thm)],[singleton_self]) ).

cnf(c_0_11,negated_conjecture,
    member_of(esk1_0) != esk2_0,
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_12,negated_conjecture,
    ( member_of(X1) = X1
    | singleton(member_of(X1)) != esk2_0 ),
    inference(spm,[status(thm)],[c_0_8,c_0_9]) ).

cnf(c_0_13,plain,
    ( member_of(X1) = X1
    | singleton(member_of(X1)) = X1 ),
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

cnf(c_0_14,negated_conjecture,
    member_of(esk2_0) != esk2_0,
    inference(rw,[status(thm)],[c_0_11,c_0_6]) ).

cnf(c_0_15,negated_conjecture,
    ( member_of(X1) = X1
    | X1 != esk2_0 ),
    inference(spm,[status(thm)],[c_0_12,c_0_13]) ).

cnf(c_0_16,negated_conjecture,
    $false,
    inference(spm,[status(thm)],[c_0_14,c_0_15]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET091+1 : TPTP v8.1.0. Bugfixed v7.3.0.
% 0.07/0.13  % Command  : run_ET %s %d
% 0.14/0.34  % Computer : n027.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 600
% 0.14/0.34  % DateTime : Sun Jul 10 09:52:17 EDT 2022
% 0.14/0.34  % 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       : 0.015 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             : 17
% 0.24/1.42  # Proof object clause steps            : 10
% 0.24/1.42  # Proof object formula steps           : 7
% 0.24/1.42  # Proof object conjectures             : 11
% 0.24/1.42  # Proof object clause conjectures      : 8
% 0.24/1.42  # Proof object formula conjectures     : 3
% 0.24/1.42  # Proof object initial clauses used    : 5
% 0.24/1.42  # Proof object initial formulas used   : 3
% 0.24/1.42  # Proof object generating inferences   : 3
% 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                        : 48
% 0.24/1.42  # Removed by relevancy pruning/SinE    : 43
% 0.24/1.42  # Initial clauses                      : 7
% 0.24/1.42  # Removed in clause preprocessing      : 0
% 0.24/1.42  # Initial clauses in saturation        : 7
% 0.24/1.42  # Processed clauses                    : 11
% 0.24/1.42  # ...of these trivial                  : 0
% 0.24/1.42  # ...subsumed                          : 0
% 0.24/1.42  # ...remaining for further processing  : 11
% 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                   : 1
% 0.24/1.42  # Generated clauses                    : 10
% 0.24/1.42  # ...of the previous two non-trivial   : 9
% 0.24/1.42  # Contextual simplify-reflections      : 0
% 0.24/1.42  # Paramodulations                      : 10
% 0.24/1.42  # Factorizations                       : 0
% 0.24/1.42  # Equation resolutions                 : 0
% 0.24/1.42  # Current number of processed clauses  : 10
% 0.24/1.42  #    Positive orientable unit clauses  : 1
% 0.24/1.42  #    Positive unorientable unit clauses: 0
% 0.24/1.42  #    Negative unit clauses             : 1
% 0.24/1.42  #    Non-unit-clauses                  : 8
% 0.24/1.42  # Current number of unprocessed clauses: 5
% 0.24/1.42  # ...number of literals in the above   : 11
% 0.24/1.42  # Current number of archived formulas  : 0
% 0.24/1.42  # Current number of archived clauses   : 1
% 0.24/1.42  # Clause-clause subsumption calls (NU) : 5
% 0.24/1.42  # Rec. Clause-clause subsumption calls : 5
% 0.24/1.42  # Non-unit clause-clause subsumptions  : 0
% 0.24/1.42  # Unit Clause-clause subsumption calls : 0
% 0.24/1.42  # Rewrite failures with RHS unbound    : 0
% 0.24/1.42  # BW rewrite match attempts            : 1
% 0.24/1.42  # BW rewrite match successes           : 1
% 0.24/1.42  # Condensation attempts                : 0
% 0.24/1.42  # Condensation successes               : 0
% 0.24/1.42  # Termbank termtop insertions          : 958
% 0.24/1.42  
% 0.24/1.42  # -------------------------------------------------
% 0.24/1.42  # User time                : 0.014 s
% 0.24/1.42  # System time              : 0.002 s
% 0.24/1.42  # Total time               : 0.016 s
% 0.24/1.42  # Maximum resident set size: 2752 pages
%------------------------------------------------------------------------------