TSTP Solution File: SEU142+2 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SEU142+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n009.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 09:17:06 EDT 2022

% Result   : Theorem 0.24s 1.42s
% Output   : CNFRefutation 0.24s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   20 (   7 unt;   0 def)
%            Number of atoms       :   75 (  56 equ)
%            Maximal formula atoms :   20 (   3 avg)
%            Number of connectives :   82 (  27   ~;  43   |;   8   &)
%                                         (   4 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   1 con; 0-3 aty)
%            Number of variables   :   50 (   7 sgn  23   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(d1_tarski,axiom,
    ! [X1,X2] :
      ( X2 = singleton(X1)
    <=> ! [X3] :
          ( in(X3,X2)
        <=> X3 = X1 ) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p',d1_tarski) ).

fof(d2_tarski,axiom,
    ! [X1,X2,X3] :
      ( X3 = unordered_pair(X1,X2)
    <=> ! [X4] :
          ( in(X4,X3)
        <=> ( X4 = X1
            | X4 = X2 ) ) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p',d2_tarski) ).

fof(t69_enumset1,conjecture,
    ! [X1] : unordered_pair(X1,X1) = singleton(X1),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p',t69_enumset1) ).

fof(c_0_3,plain,
    ! [X4,X5,X6,X6,X4,X5] :
      ( ( ~ in(X6,X5)
        | X6 = X4
        | X5 != singleton(X4) )
      & ( X6 != X4
        | in(X6,X5)
        | X5 != singleton(X4) )
      & ( ~ in(esk2_2(X4,X5),X5)
        | esk2_2(X4,X5) != X4
        | X5 = singleton(X4) )
      & ( in(esk2_2(X4,X5),X5)
        | esk2_2(X4,X5) = X4
        | X5 = singleton(X4) ) ),
    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_tarski])])])])])])]) ).

fof(c_0_4,plain,
    ! [X5,X6,X7,X8,X8,X5,X6,X7] :
      ( ( ~ in(X8,X7)
        | X8 = X5
        | X8 = X6
        | X7 != unordered_pair(X5,X6) )
      & ( X8 != X5
        | in(X8,X7)
        | X7 != unordered_pair(X5,X6) )
      & ( X8 != X6
        | in(X8,X7)
        | X7 != unordered_pair(X5,X6) )
      & ( esk3_3(X5,X6,X7) != X5
        | ~ in(esk3_3(X5,X6,X7),X7)
        | X7 = unordered_pair(X5,X6) )
      & ( esk3_3(X5,X6,X7) != X6
        | ~ in(esk3_3(X5,X6,X7),X7)
        | X7 = unordered_pair(X5,X6) )
      & ( in(esk3_3(X5,X6,X7),X7)
        | esk3_3(X5,X6,X7) = X5
        | esk3_3(X5,X6,X7) = X6
        | X7 = unordered_pair(X5,X6) ) ),
    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_tarski])])])])])])]) ).

cnf(c_0_5,plain,
    ( X3 = X2
    | X1 != singleton(X2)
    | ~ in(X3,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_3]) ).

cnf(c_0_6,plain,
    ( X1 = unordered_pair(X2,X3)
    | esk3_3(X2,X3,X1) = X3
    | esk3_3(X2,X3,X1) = X2
    | in(esk3_3(X2,X3,X1),X1) ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_7,plain,
    ( esk3_3(X1,X2,X3) = X2
    | esk3_3(X1,X2,X3) = X1
    | X4 = esk3_3(X1,X2,X3)
    | X3 = unordered_pair(X1,X2)
    | X3 != singleton(X4) ),
    inference(spm,[status(thm)],[c_0_5,c_0_6]) ).

cnf(c_0_8,plain,
    ( in(X3,X1)
    | X1 != singleton(X2)
    | X3 != X2 ),
    inference(split_conjunct,[status(thm)],[c_0_3]) ).

cnf(c_0_9,plain,
    ( esk3_3(X1,X2,singleton(X3)) = X3
    | esk3_3(X1,X2,singleton(X3)) = X1
    | esk3_3(X1,X2,singleton(X3)) = X2
    | singleton(X3) = unordered_pair(X1,X2) ),
    inference(er,[status(thm)],[c_0_7]) ).

cnf(c_0_10,plain,
    ( in(X1,X2)
    | X2 != singleton(X1) ),
    inference(er,[status(thm)],[c_0_8]) ).

fof(c_0_11,negated_conjecture,
    ~ ! [X1] : unordered_pair(X1,X1) = singleton(X1),
    inference(assume_negation,[status(cth)],[t69_enumset1]) ).

cnf(c_0_12,plain,
    ( X1 = unordered_pair(X2,X3)
    | ~ in(esk3_3(X2,X3,X1),X1)
    | esk3_3(X2,X3,X1) != X2 ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_13,plain,
    ( esk3_3(X1,X2,singleton(X1)) = X2
    | esk3_3(X1,X2,singleton(X1)) = X1
    | singleton(X1) = unordered_pair(X1,X2) ),
    inference(er,[status(thm)],[inference(ef,[status(thm)],[c_0_9])]) ).

cnf(c_0_14,plain,
    in(X1,singleton(X1)),
    inference(er,[status(thm)],[c_0_10]) ).

fof(c_0_15,negated_conjecture,
    unordered_pair(esk1_0,esk1_0) != singleton(esk1_0),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_11])])]) ).

cnf(c_0_16,plain,
    ( esk3_3(X1,X2,singleton(X1)) = X2
    | singleton(X1) = unordered_pair(X1,X2) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_12,c_0_13]),c_0_14])]) ).

cnf(c_0_17,negated_conjecture,
    unordered_pair(esk1_0,esk1_0) != singleton(esk1_0),
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

cnf(c_0_18,plain,
    singleton(X1) = unordered_pair(X1,X1),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(er,[status(thm)],[inference(spm,[status(thm)],[c_0_12,c_0_16])]),c_0_14])]) ).

cnf(c_0_19,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_17,c_0_18])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SEU142+2 : TPTP v8.1.0. Released v3.3.0.
% 0.03/0.13  % Command  : run_ET %s %d
% 0.13/0.34  % Computer : n009.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 Jun 18 21:05:37 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.24/1.42  # Running protocol protocol_eprover_2d86bd69119e7e9cc4417c0ee581499eaf828bb2 for 23 seconds:
% 0.24/1.42  # SinE strategy is GSinE(CountFormulas,,1.1,,02,500,1.0)
% 0.24/1.42  # Preprocessing time       : 0.017 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             : 20
% 0.24/1.42  # Proof object clause steps            : 13
% 0.24/1.42  # Proof object formula steps           : 7
% 0.24/1.42  # Proof object conjectures             : 5
% 0.24/1.42  # Proof object clause conjectures      : 2
% 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   : 6
% 0.24/1.42  # Proof object simplifying inferences  : 9
% 0.24/1.42  # Training examples: 0 positive, 0 negative
% 0.24/1.42  # Parsed axioms                        : 63
% 0.24/1.42  # Removed by relevancy pruning/SinE    : 52
% 0.24/1.42  # Initial clauses                      : 38
% 0.24/1.42  # Removed in clause preprocessing      : 0
% 0.24/1.42  # Initial clauses in saturation        : 38
% 0.24/1.42  # Processed clauses                    : 124
% 0.24/1.42  # ...of these trivial                  : 3
% 0.24/1.42  # ...subsumed                          : 32
% 0.24/1.42  # ...remaining for further processing  : 89
% 0.24/1.42  # Other redundant clauses eliminated   : 45
% 0.24/1.42  # Clauses deleted for lack of memory   : 0
% 0.24/1.42  # Backward-subsumed                    : 1
% 0.24/1.42  # Backward-rewritten                   : 23
% 0.24/1.42  # Generated clauses                    : 788
% 0.24/1.42  # ...of the previous two non-trivial   : 736
% 0.24/1.42  # Contextual simplify-reflections      : 0
% 0.24/1.42  # Paramodulations                      : 693
% 0.24/1.42  # Factorizations                       : 22
% 0.24/1.42  # Equation resolutions                 : 67
% 0.24/1.42  # Current number of processed clauses  : 56
% 0.24/1.42  #    Positive orientable unit clauses  : 7
% 0.24/1.42  #    Positive unorientable unit clauses: 1
% 0.24/1.42  #    Negative unit clauses             : 4
% 0.24/1.42  #    Non-unit-clauses                  : 44
% 0.24/1.42  # Current number of unprocessed clauses: 426
% 0.24/1.42  # ...number of literals in the above   : 1697
% 0.24/1.42  # Current number of archived formulas  : 0
% 0.24/1.42  # Current number of archived clauses   : 30
% 0.24/1.42  # Clause-clause subsumption calls (NU) : 1091
% 0.24/1.42  # Rec. Clause-clause subsumption calls : 810
% 0.24/1.42  # Non-unit clause-clause subsumptions  : 21
% 0.24/1.42  # Unit Clause-clause subsumption calls : 244
% 0.24/1.42  # Rewrite failures with RHS unbound    : 0
% 0.24/1.42  # BW rewrite match attempts            : 12
% 0.24/1.42  # BW rewrite match successes           : 7
% 0.24/1.42  # Condensation attempts                : 0
% 0.24/1.42  # Condensation successes               : 0
% 0.24/1.42  # Termbank termtop insertions          : 10518
% 0.24/1.42  
% 0.24/1.42  # -------------------------------------------------
% 0.24/1.42  # User time                : 0.027 s
% 0.24/1.42  # System time              : 0.005 s
% 0.24/1.42  # Total time               : 0.032 s
% 0.24/1.42  # Maximum resident set size: 3560 pages
%------------------------------------------------------------------------------