TSTP Solution File: SET095+1 by Enigma---0.5.1

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%------------------------------------------------------------------------------
% File     : Enigma---0.5.1
% Problem  : SET095+1 : TPTP v8.1.0. Bugfixed v5.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : enigmatic-eprover.py %s %d 1

% Computer : n026.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 00:09:22 EDT 2022

% Result   : Theorem 7.43s 2.40s
% Output   : CNFRefutation 7.43s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   19 (   9 unt;   0 def)
%            Number of atoms       :   47 (  12 equ)
%            Maximal formula atoms :   11 (   2 avg)
%            Number of connectives :   43 (  15   ~;  16   |;   7   &)
%                                         (   2 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   3 con; 0-2 aty)
%            Number of variables   :   28 (   0 sgn  20   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(property_of_singletons2,conjecture,
    ! [X1,X2] :
      ( member(X1,X2)
     => subclass(singleton(X1),X2) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',property_of_singletons2) ).

fof(singleton_set_defn,axiom,
    ! [X1] : singleton(X1) = unordered_pair(X1,X1),
    file('/export/starexec/sandbox/benchmark/Axioms/SET005+0.ax',singleton_set_defn) ).

fof(subclass_defn,axiom,
    ! [X1,X2] :
      ( subclass(X1,X2)
    <=> ! [X3] :
          ( member(X3,X1)
         => member(X3,X2) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET005+0.ax',subclass_defn) ).

fof(unordered_pair_defn,axiom,
    ! [X3,X1,X2] :
      ( member(X3,unordered_pair(X1,X2))
    <=> ( member(X3,universal_class)
        & ( X3 = X1
          | X3 = X2 ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET005+0.ax',unordered_pair_defn) ).

fof(c_0_4,negated_conjecture,
    ~ ! [X1,X2] :
        ( member(X1,X2)
       => subclass(singleton(X1),X2) ),
    inference(assume_negation,[status(cth)],[property_of_singletons2]) ).

fof(c_0_5,negated_conjecture,
    ( member(esk8_0,esk9_0)
    & ~ subclass(singleton(esk8_0),esk9_0) ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_4])])]) ).

fof(c_0_6,plain,
    ! [X24] : singleton(X24) = unordered_pair(X24,X24),
    inference(variable_rename,[status(thm)],[singleton_set_defn]) ).

cnf(c_0_7,negated_conjecture,
    ~ subclass(singleton(esk8_0),esk9_0),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_8,plain,
    singleton(X1) = unordered_pair(X1,X1),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

fof(c_0_9,plain,
    ! [X10,X11,X12,X13,X14] :
      ( ( ~ subclass(X10,X11)
        | ~ member(X12,X10)
        | member(X12,X11) )
      & ( member(esk1_2(X13,X14),X13)
        | subclass(X13,X14) )
      & ( ~ member(esk1_2(X13,X14),X14)
        | subclass(X13,X14) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(fof_nnf,[status(thm)],[subclass_defn])])])])])]) ).

fof(c_0_10,plain,
    ! [X19,X20,X21] :
      ( ( member(X19,universal_class)
        | ~ member(X19,unordered_pair(X20,X21)) )
      & ( X19 = X20
        | X19 = X21
        | ~ member(X19,unordered_pair(X20,X21)) )
      & ( X19 != X20
        | ~ member(X19,universal_class)
        | member(X19,unordered_pair(X20,X21)) )
      & ( X19 != X21
        | ~ member(X19,universal_class)
        | member(X19,unordered_pair(X20,X21)) ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[unordered_pair_defn])])]) ).

cnf(c_0_11,negated_conjecture,
    ~ subclass(unordered_pair(esk8_0,esk8_0),esk9_0),
    inference(rw,[status(thm)],[c_0_7,c_0_8]) ).

cnf(c_0_12,plain,
    ( member(esk1_2(X1,X2),X1)
    | subclass(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_13,plain,
    ( X1 = X2
    | X1 = X3
    | ~ member(X1,unordered_pair(X2,X3)) ),
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

cnf(c_0_14,negated_conjecture,
    member(esk1_2(unordered_pair(esk8_0,esk8_0),esk9_0),unordered_pair(esk8_0,esk8_0)),
    inference(spm,[status(thm)],[c_0_11,c_0_12]) ).

cnf(c_0_15,plain,
    ( subclass(X1,X2)
    | ~ member(esk1_2(X1,X2),X2) ),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_16,negated_conjecture,
    esk1_2(unordered_pair(esk8_0,esk8_0),esk9_0) = esk8_0,
    inference(spm,[status(thm)],[c_0_13,c_0_14]) ).

cnf(c_0_17,negated_conjecture,
    member(esk8_0,esk9_0),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_18,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_15,c_0_16]),c_0_17])]),c_0_11]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.13  % Problem  : SET095+1 : TPTP v8.1.0. Bugfixed v5.4.0.
% 0.04/0.13  % Command  : enigmatic-eprover.py %s %d 1
% 0.14/0.35  % Computer : n026.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 600
% 0.14/0.35  % DateTime : Sun Jul 10 13:29:13 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 0.22/0.47  # ENIGMATIC: Selected SinE mode:
% 0.22/0.48  # Parsing /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.22/0.48  # Filter: axfilter_auto   0 goes into file theBenchmark_axfilter_auto   0.p
% 0.22/0.48  # Filter: axfilter_auto   1 goes into file theBenchmark_axfilter_auto   1.p
% 0.22/0.48  # Filter: axfilter_auto   2 goes into file theBenchmark_axfilter_auto   2.p
% 7.43/2.40  # ENIGMATIC: Solved by autoschedule:
% 7.43/2.40  # No SInE strategy applied
% 7.43/2.40  # Trying AutoSched0 for 150 seconds
% 7.43/2.40  # AutoSched0-Mode selected heuristic G_E___208_C18_F1_SE_CS_SP_PS_S026I
% 7.43/2.40  # and selection function SelectOptimalRestrNDepth2.
% 7.43/2.40  #
% 7.43/2.40  # Preprocessing time       : 0.029 s
% 7.43/2.40  # Presaturation interreduction done
% 7.43/2.40  
% 7.43/2.40  # Proof found!
% 7.43/2.40  # SZS status Theorem
% 7.43/2.40  # SZS output start CNFRefutation
% See solution above
% 7.43/2.40  # Training examples: 0 positive, 0 negative
% 7.43/2.40  
% 7.43/2.40  # -------------------------------------------------
% 7.43/2.40  # User time                : 0.038 s
% 7.43/2.40  # System time              : 0.006 s
% 7.43/2.40  # Total time               : 0.044 s
% 7.43/2.40  # Maximum resident set size: 7124 pages
% 7.43/2.40  
%------------------------------------------------------------------------------