TSTP Solution File: SYN966+1 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SYN966+1 : TPTP v8.1.0. Released v3.1.0.
% 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 : Thu Jul 21 06:06:39 EDT 2022

% Result   : Theorem 0.26s 1.45s
% Output   : CNFRefutation 0.26s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    1
% Syntax   : Number of formulae    :   15 (   4 unt;   0 def)
%            Number of atoms       :   50 (   0 equ)
%            Maximal formula atoms :   14 (   3 avg)
%            Number of connectives :   54 (  19   ~;  22   |;   5   &)
%                                         (   4 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-2 aty)
%            Number of variables   :   30 (   3 sgn  16   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(prove_this,conjecture,
    ( ! [X1,X2] :
        ( eq(X1,X2)
      <=> ! [X3] :
            ( a_member_of(X3,X1)
          <=> a_member_of(X3,X2) ) )
   => ! [X4,X5] :
        ( eq(X4,X5)
       => eq(X5,X4) ) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',prove_this) ).

fof(c_0_1,negated_conjecture,
    ~ ( ! [X1,X2] :
          ( eq(X1,X2)
        <=> ! [X3] :
              ( a_member_of(X3,X1)
            <=> a_member_of(X3,X2) ) )
     => ! [X4,X5] :
          ( eq(X4,X5)
         => eq(X5,X4) ) ),
    inference(assume_negation,[status(cth)],[prove_this]) ).

fof(c_0_2,negated_conjecture,
    ! [X6,X7,X8,X8,X6,X7] :
      ( ( ~ a_member_of(X8,X6)
        | a_member_of(X8,X7)
        | ~ eq(X6,X7) )
      & ( ~ a_member_of(X8,X7)
        | a_member_of(X8,X6)
        | ~ eq(X6,X7) )
      & ( ~ a_member_of(esk1_2(X6,X7),X6)
        | ~ a_member_of(esk1_2(X6,X7),X7)
        | eq(X6,X7) )
      & ( a_member_of(esk1_2(X6,X7),X6)
        | a_member_of(esk1_2(X6,X7),X7)
        | eq(X6,X7) )
      & eq(esk2_0,esk3_0)
      & ~ eq(esk3_0,esk2_0) ),
    inference(distribute,[status(thm)],[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_1])])])])])])]) ).

cnf(c_0_3,negated_conjecture,
    ( a_member_of(X3,X2)
    | ~ eq(X1,X2)
    | ~ a_member_of(X3,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_2]) ).

cnf(c_0_4,negated_conjecture,
    eq(esk2_0,esk3_0),
    inference(split_conjunct,[status(thm)],[c_0_2]) ).

cnf(c_0_5,negated_conjecture,
    ( a_member_of(X3,X1)
    | ~ eq(X1,X2)
    | ~ a_member_of(X3,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_2]) ).

cnf(c_0_6,negated_conjecture,
    ( a_member_of(X1,esk3_0)
    | ~ a_member_of(X1,esk2_0) ),
    inference(spm,[status(thm)],[c_0_3,c_0_4]) ).

cnf(c_0_7,negated_conjecture,
    ( eq(X1,X2)
    | a_member_of(esk1_2(X1,X2),X2)
    | a_member_of(esk1_2(X1,X2),X1) ),
    inference(split_conjunct,[status(thm)],[c_0_2]) ).

cnf(c_0_8,negated_conjecture,
    ( eq(X1,X2)
    | ~ a_member_of(esk1_2(X1,X2),X2)
    | ~ a_member_of(esk1_2(X1,X2),X1) ),
    inference(split_conjunct,[status(thm)],[c_0_2]) ).

cnf(c_0_9,negated_conjecture,
    ( a_member_of(X1,esk2_0)
    | ~ a_member_of(X1,esk3_0) ),
    inference(spm,[status(thm)],[c_0_5,c_0_4]) ).

cnf(c_0_10,negated_conjecture,
    ( a_member_of(esk1_2(X1,esk2_0),esk3_0)
    | a_member_of(esk1_2(X1,esk2_0),X1)
    | eq(X1,esk2_0) ),
    inference(spm,[status(thm)],[c_0_6,c_0_7]) ).

cnf(c_0_11,negated_conjecture,
    ~ eq(esk3_0,esk2_0),
    inference(split_conjunct,[status(thm)],[c_0_2]) ).

cnf(c_0_12,negated_conjecture,
    ( eq(X1,esk2_0)
    | ~ a_member_of(esk1_2(X1,esk2_0),esk3_0)
    | ~ a_member_of(esk1_2(X1,esk2_0),X1) ),
    inference(spm,[status(thm)],[c_0_8,c_0_9]) ).

cnf(c_0_13,negated_conjecture,
    a_member_of(esk1_2(esk3_0,esk2_0),esk3_0),
    inference(sr,[status(thm)],[inference(ef,[status(thm)],[c_0_10]),c_0_11]) ).

cnf(c_0_14,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_12,c_0_13]),c_0_13])]),c_0_11]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.09/0.14  % Problem  : SYN966+1 : TPTP v8.1.0. Released v3.1.0.
% 0.09/0.15  % Command  : run_ET %s %d
% 0.15/0.36  % Computer : n027.cluster.edu
% 0.15/0.36  % Model    : x86_64 x86_64
% 0.15/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.36  % Memory   : 8042.1875MB
% 0.15/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.36  % CPULimit : 300
% 0.15/0.36  % WCLimit  : 600
% 0.15/0.36  % DateTime : Mon Jul 11 19:56:49 EDT 2022
% 0.15/0.37  % CPUTime  : 
% 0.26/1.45  # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.26/1.45  # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.26/1.45  # Preprocessing time       : 0.013 s
% 0.26/1.45  
% 0.26/1.45  # Proof found!
% 0.26/1.45  # SZS status Theorem
% 0.26/1.45  # SZS output start CNFRefutation
% See solution above
% 0.26/1.45  # Proof object total steps             : 15
% 0.26/1.45  # Proof object clause steps            : 12
% 0.26/1.45  # Proof object formula steps           : 3
% 0.26/1.45  # Proof object conjectures             : 15
% 0.26/1.45  # Proof object clause conjectures      : 12
% 0.26/1.45  # Proof object formula conjectures     : 3
% 0.26/1.45  # Proof object initial clauses used    : 6
% 0.26/1.45  # Proof object initial formulas used   : 1
% 0.26/1.45  # Proof object generating inferences   : 6
% 0.26/1.45  # Proof object simplifying inferences  : 4
% 0.26/1.45  # Training examples: 0 positive, 0 negative
% 0.26/1.45  # Parsed axioms                        : 1
% 0.26/1.45  # Removed by relevancy pruning/SinE    : 0
% 0.26/1.45  # Initial clauses                      : 6
% 0.26/1.45  # Removed in clause preprocessing      : 0
% 0.26/1.45  # Initial clauses in saturation        : 6
% 0.26/1.45  # Processed clauses                    : 11
% 0.26/1.45  # ...of these trivial                  : 0
% 0.26/1.45  # ...subsumed                          : 0
% 0.26/1.45  # ...remaining for further processing  : 11
% 0.26/1.45  # Other redundant clauses eliminated   : 0
% 0.26/1.45  # Clauses deleted for lack of memory   : 0
% 0.26/1.45  # Backward-subsumed                    : 0
% 0.26/1.45  # Backward-rewritten                   : 0
% 0.26/1.45  # Generated clauses                    : 15
% 0.26/1.45  # ...of the previous two non-trivial   : 11
% 0.26/1.45  # Contextual simplify-reflections      : 0
% 0.26/1.45  # Paramodulations                      : 11
% 0.26/1.45  # Factorizations                       : 4
% 0.26/1.45  # Equation resolutions                 : 0
% 0.26/1.45  # Current number of processed clauses  : 11
% 0.26/1.45  #    Positive orientable unit clauses  : 2
% 0.26/1.45  #    Positive unorientable unit clauses: 0
% 0.26/1.45  #    Negative unit clauses             : 1
% 0.26/1.45  #    Non-unit-clauses                  : 8
% 0.26/1.45  # Current number of unprocessed clauses: 6
% 0.26/1.45  # ...number of literals in the above   : 13
% 0.26/1.45  # Current number of archived formulas  : 0
% 0.26/1.45  # Current number of archived clauses   : 0
% 0.26/1.45  # Clause-clause subsumption calls (NU) : 8
% 0.26/1.45  # Rec. Clause-clause subsumption calls : 7
% 0.26/1.45  # Non-unit clause-clause subsumptions  : 0
% 0.26/1.45  # Unit Clause-clause subsumption calls : 0
% 0.26/1.45  # Rewrite failures with RHS unbound    : 0
% 0.26/1.45  # BW rewrite match attempts            : 0
% 0.26/1.45  # BW rewrite match successes           : 0
% 0.26/1.45  # Condensation attempts                : 0
% 0.26/1.45  # Condensation successes               : 0
% 0.26/1.45  # Termbank termtop insertions          : 696
% 0.26/1.45  
% 0.26/1.45  # -------------------------------------------------
% 0.26/1.45  # User time                : 0.012 s
% 0.26/1.45  # System time              : 0.002 s
% 0.26/1.45  # Total time               : 0.014 s
% 0.26/1.45  # Maximum resident set size: 2756 pages
%------------------------------------------------------------------------------