TSTP Solution File: SEU267+2 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SEU267+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n019.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 09:18:27 EDT 2022

% Result   : Theorem 0.24s 1.44s
% Output   : CNFRefutation 0.24s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   18 (   4 unt;   0 def)
%            Number of atoms       :   58 (  57 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :   70 (  30   ~;  28   |;   6   &)
%                                         (   2 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :   11 (  11 usr;   4 con; 0-2 aty)
%            Number of variables   :   64 (  18 sgn  26   !;   4   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(d1_mcart_1,axiom,
    ! [X1] :
      ( ? [X2,X3] : X1 = ordered_pair(X2,X3)
     => ! [X2] :
          ( X2 = pair_first(X1)
        <=> ! [X3,X4] :
              ( X1 = ordered_pair(X3,X4)
             => X2 = X3 ) ) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',d1_mcart_1) ).

fof(d2_mcart_1,axiom,
    ! [X1] :
      ( ? [X2,X3] : X1 = ordered_pair(X2,X3)
     => ! [X2] :
          ( X2 = pair_second(X1)
        <=> ! [X3,X4] :
              ( X1 = ordered_pair(X3,X4)
             => X2 = X4 ) ) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',d2_mcart_1) ).

fof(t7_mcart_1,conjecture,
    ! [X1,X2] :
      ( pair_first(ordered_pair(X1,X2)) = X1
      & pair_second(ordered_pair(X1,X2)) = X2 ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t7_mcart_1) ).

fof(c_0_3,plain,
    ! [X5,X6,X7,X8,X9,X10,X8] :
      ( ( X8 != pair_first(X5)
        | X5 != ordered_pair(X9,X10)
        | X8 = X9
        | X5 != ordered_pair(X6,X7) )
      & ( X5 = ordered_pair(esk22_2(X5,X8),esk23_2(X5,X8))
        | X8 = pair_first(X5)
        | X5 != ordered_pair(X6,X7) )
      & ( X8 != esk22_2(X5,X8)
        | X8 = pair_first(X5)
        | X5 != ordered_pair(X6,X7) ) ),
    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)],[d1_mcart_1])])])])])])]) ).

cnf(c_0_4,plain,
    ( X4 = X5
    | X1 != ordered_pair(X2,X3)
    | X1 != ordered_pair(X5,X6)
    | X4 != pair_first(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_3]) ).

fof(c_0_5,plain,
    ! [X5,X6,X7,X8,X9,X10,X8] :
      ( ( X8 != pair_second(X5)
        | X5 != ordered_pair(X9,X10)
        | X8 = X10
        | X5 != ordered_pair(X6,X7) )
      & ( X5 = ordered_pair(esk5_2(X5,X8),esk6_2(X5,X8))
        | X8 = pair_second(X5)
        | X5 != ordered_pair(X6,X7) )
      & ( X8 != esk6_2(X5,X8)
        | X8 = pair_second(X5)
        | X5 != ordered_pair(X6,X7) ) ),
    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)],[d2_mcart_1])])])])])])]) ).

fof(c_0_6,negated_conjecture,
    ~ ! [X1,X2] :
        ( pair_first(ordered_pair(X1,X2)) = X1
        & pair_second(ordered_pair(X1,X2)) = X2 ),
    inference(assume_negation,[status(cth)],[t7_mcart_1]) ).

cnf(c_0_7,plain,
    ( X1 = X2
    | ordered_pair(X2,X3) != ordered_pair(X4,X5)
    | X1 != pair_first(ordered_pair(X2,X3)) ),
    inference(er,[status(thm)],[c_0_4]) ).

cnf(c_0_8,plain,
    ( X4 = X5
    | X1 != ordered_pair(X2,X3)
    | X1 != ordered_pair(X6,X5)
    | X4 != pair_second(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

fof(c_0_9,negated_conjecture,
    ( pair_first(ordered_pair(esk1_0,esk2_0)) != esk1_0
    | pair_second(ordered_pair(esk3_0,esk4_0)) != esk4_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_10,plain,
    ( pair_first(ordered_pair(X1,X2)) = X1
    | ordered_pair(X1,X2) != ordered_pair(X3,X4) ),
    inference(er,[status(thm)],[c_0_7]) ).

cnf(c_0_11,plain,
    ( X1 = X2
    | ordered_pair(X3,X2) != ordered_pair(X4,X5)
    | X1 != pair_second(ordered_pair(X3,X2)) ),
    inference(er,[status(thm)],[c_0_8]) ).

cnf(c_0_12,negated_conjecture,
    ( pair_second(ordered_pair(esk3_0,esk4_0)) != esk4_0
    | pair_first(ordered_pair(esk1_0,esk2_0)) != esk1_0 ),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_13,plain,
    pair_first(ordered_pair(X1,X2)) = X1,
    inference(er,[status(thm)],[c_0_10]) ).

cnf(c_0_14,plain,
    ( pair_second(ordered_pair(X1,X2)) = X2
    | ordered_pair(X1,X2) != ordered_pair(X3,X4) ),
    inference(er,[status(thm)],[c_0_11]) ).

cnf(c_0_15,negated_conjecture,
    pair_second(ordered_pair(esk3_0,esk4_0)) != esk4_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_12,c_0_13])]) ).

cnf(c_0_16,plain,
    pair_second(ordered_pair(X1,X2)) = X2,
    inference(er,[status(thm)],[c_0_14]) ).

cnf(c_0_17,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_15,c_0_16])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : SEU267+2 : TPTP v8.1.0. Released v3.3.0.
% 0.12/0.13  % Command  : run_ET %s %d
% 0.12/0.34  % Computer : n019.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Sun Jun 19 21:56:39 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.24/1.44  # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.24/1.44  # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.24/1.44  # Preprocessing time       : 0.027 s
% 0.24/1.44  
% 0.24/1.44  # Proof found!
% 0.24/1.44  # SZS status Theorem
% 0.24/1.44  # SZS output start CNFRefutation
% See solution above
% 0.24/1.44  # Proof object total steps             : 18
% 0.24/1.44  # Proof object clause steps            : 11
% 0.24/1.44  # Proof object formula steps           : 7
% 0.24/1.44  # Proof object conjectures             : 6
% 0.24/1.44  # Proof object clause conjectures      : 3
% 0.24/1.44  # Proof object formula conjectures     : 3
% 0.24/1.44  # Proof object initial clauses used    : 3
% 0.24/1.44  # Proof object initial formulas used   : 3
% 0.24/1.44  # Proof object generating inferences   : 6
% 0.24/1.44  # Proof object simplifying inferences  : 4
% 0.24/1.44  # Training examples: 0 positive, 0 negative
% 0.24/1.44  # Parsed axioms                        : 342
% 0.24/1.44  # Removed by relevancy pruning/SinE    : 285
% 0.24/1.44  # Initial clauses                      : 105
% 0.24/1.44  # Removed in clause preprocessing      : 2
% 0.24/1.44  # Initial clauses in saturation        : 103
% 0.24/1.44  # Processed clauses                    : 492
% 0.24/1.44  # ...of these trivial                  : 13
% 0.24/1.44  # ...subsumed                          : 197
% 0.24/1.44  # ...remaining for further processing  : 282
% 0.24/1.44  # Other redundant clauses eliminated   : 10
% 0.24/1.44  # Clauses deleted for lack of memory   : 0
% 0.24/1.44  # Backward-subsumed                    : 0
% 0.24/1.44  # Backward-rewritten                   : 28
% 0.24/1.44  # Generated clauses                    : 1456
% 0.24/1.44  # ...of the previous two non-trivial   : 1223
% 0.24/1.44  # Contextual simplify-reflections      : 25
% 0.24/1.44  # Paramodulations                      : 1417
% 0.24/1.44  # Factorizations                       : 2
% 0.24/1.44  # Equation resolutions                 : 37
% 0.24/1.44  # Current number of processed clauses  : 252
% 0.24/1.44  #    Positive orientable unit clauses  : 39
% 0.24/1.44  #    Positive unorientable unit clauses: 0
% 0.24/1.44  #    Negative unit clauses             : 15
% 0.24/1.44  #    Non-unit-clauses                  : 198
% 0.24/1.44  # Current number of unprocessed clauses: 771
% 0.24/1.44  # ...number of literals in the above   : 2812
% 0.24/1.44  # Current number of archived formulas  : 0
% 0.24/1.44  # Current number of archived clauses   : 28
% 0.24/1.44  # Clause-clause subsumption calls (NU) : 6489
% 0.24/1.44  # Rec. Clause-clause subsumption calls : 4297
% 0.24/1.44  # Non-unit clause-clause subsumptions  : 124
% 0.24/1.44  # Unit Clause-clause subsumption calls : 640
% 0.24/1.44  # Rewrite failures with RHS unbound    : 0
% 0.24/1.44  # BW rewrite match attempts            : 13
% 0.24/1.44  # BW rewrite match successes           : 10
% 0.24/1.44  # Condensation attempts                : 0
% 0.24/1.44  # Condensation successes               : 0
% 0.24/1.44  # Termbank termtop insertions          : 24753
% 0.24/1.44  
% 0.24/1.44  # -------------------------------------------------
% 0.24/1.44  # User time                : 0.064 s
% 0.24/1.44  # System time              : 0.003 s
% 0.24/1.44  # Total time               : 0.067 s
% 0.24/1.44  # Maximum resident set size: 4776 pages
% 0.24/23.44  eprover: CPU time limit exceeded, terminating
% 0.24/23.46  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.24/23.46  eprover: No such file or directory
% 0.24/23.47  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.24/23.47  eprover: No such file or directory
% 0.24/23.47  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.24/23.47  eprover: No such file or directory
% 0.24/23.48  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.24/23.48  eprover: No such file or directory
% 0.24/23.48  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.24/23.48  eprover: No such file or directory
% 0.24/23.48  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.24/23.48  eprover: No such file or directory
% 0.24/23.49  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.24/23.49  eprover: No such file or directory
% 0.24/23.49  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.24/23.49  eprover: No such file or directory
% 0.24/23.50  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.24/23.50  eprover: No such file or directory
% 0.24/23.50  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.24/23.50  eprover: No such file or directory
% 0.24/23.50  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p
% 0.24/23.50  eprover: No such file or directory
%------------------------------------------------------------------------------