TSTP Solution File: SET082+1 by Enigma---0.5.1

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%------------------------------------------------------------------------------
% File     : Enigma---0.5.1
% Problem  : SET082+1 : TPTP v8.1.0. Bugfixed v5.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : enigmatic-eprover.py %s %d 1

% Computer : n028.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 00:09:11 EDT 2022

% Result   : Theorem 7.28s 2.35s
% Output   : CNFRefutation 7.28s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   20 (   7 unt;   0 def)
%            Number of atoms       :   52 (  28 equ)
%            Maximal formula atoms :   11 (   2 avg)
%            Number of connectives :   48 (  16   ~;  19   |;   9   &)
%                                         (   1 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   3 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   :   23 (   0 sgn  12   !;   1   ?)

% Comments : 
%------------------------------------------------------------------------------
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/sandbox2/benchmark/Axioms/SET005+0.ax',unordered_pair_defn) ).

fof(regularity,axiom,
    ! [X1] :
      ( X1 != null_class
     => ? [X3] :
          ( member(X3,universal_class)
          & member(X3,X1)
          & disjoint(X3,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET005+0.ax',regularity) ).

fof(singleton_is_null_class,conjecture,
    ! [X1] :
      ( ~ member(X1,universal_class)
     => singleton(X1) = null_class ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_is_null_class) ).

fof(singleton_set_defn,axiom,
    ! [X1] : singleton(X1) = unordered_pair(X1,X1),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET005+0.ax',singleton_set_defn) ).

fof(c_0_4,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])])]) ).

fof(c_0_5,plain,
    ! [X101] :
      ( ( member(esk6_1(X101),universal_class)
        | X101 = null_class )
      & ( member(esk6_1(X101),X101)
        | X101 = null_class )
      & ( disjoint(esk6_1(X101),X101)
        | X101 = null_class ) ),
    inference(distribute,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[regularity])])])]) ).

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

cnf(c_0_7,plain,
    ( member(esk6_1(X1),X1)
    | X1 = null_class ),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

fof(c_0_8,negated_conjecture,
    ~ ! [X1] :
        ( ~ member(X1,universal_class)
       => singleton(X1) = null_class ),
    inference(assume_negation,[status(cth)],[singleton_is_null_class]) ).

cnf(c_0_9,plain,
    ( esk6_1(unordered_pair(X1,X2)) = X1
    | esk6_1(unordered_pair(X1,X2)) = X2
    | unordered_pair(X1,X2) = null_class ),
    inference(spm,[status(thm)],[c_0_6,c_0_7]) ).

fof(c_0_10,negated_conjecture,
    ( ~ member(esk8_0,universal_class)
    & singleton(esk8_0) != null_class ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(fof_simplification,[status(thm)],[c_0_8])])])]) ).

fof(c_0_11,plain,
    ! [X24] : singleton(X24) = unordered_pair(X24,X24),
    inference(variable_rename,[status(thm)],[singleton_set_defn]) ).

cnf(c_0_12,plain,
    ( member(esk6_1(X1),universal_class)
    | X1 = null_class ),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_13,plain,
    ( esk6_1(unordered_pair(X1,X1)) = X1
    | unordered_pair(X1,X1) = null_class ),
    inference(er,[status(thm)],[inference(ef,[status(thm)],[c_0_9])]) ).

cnf(c_0_14,negated_conjecture,
    singleton(esk8_0) != null_class,
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

cnf(c_0_15,plain,
    singleton(X1) = unordered_pair(X1,X1),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_16,negated_conjecture,
    ~ member(esk8_0,universal_class),
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

cnf(c_0_17,plain,
    ( unordered_pair(X1,X1) = null_class
    | member(X1,universal_class) ),
    inference(spm,[status(thm)],[c_0_12,c_0_13]) ).

cnf(c_0_18,negated_conjecture,
    unordered_pair(esk8_0,esk8_0) != null_class,
    inference(rw,[status(thm)],[c_0_14,c_0_15]) ).

cnf(c_0_19,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_16,c_0_17]),c_0_18]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET082+1 : TPTP v8.1.0. Bugfixed v5.4.0.
% 0.07/0.13  % Command  : enigmatic-eprover.py %s %d 1
% 0.13/0.34  % Computer : n028.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 Jul  9 22:21:43 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.19/0.44  # ENIGMATIC: Selected SinE mode:
% 0.19/0.45  # Parsing /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.19/0.45  # Filter: axfilter_auto   0 goes into file theBenchmark_axfilter_auto   0.p
% 0.19/0.45  # Filter: axfilter_auto   1 goes into file theBenchmark_axfilter_auto   1.p
% 0.19/0.45  # Filter: axfilter_auto   2 goes into file theBenchmark_axfilter_auto   2.p
% 7.28/2.35  # ENIGMATIC: Solved by autoschedule:
% 7.28/2.35  # No SInE strategy applied
% 7.28/2.35  # Trying AutoSched0 for 150 seconds
% 7.28/2.35  # AutoSched0-Mode selected heuristic G_E___042_C18_F1_PI_AE_Q4_CS_SP_PS_S0Y
% 7.28/2.35  # and selection function SelectMaxLComplexAvoidPosPred.
% 7.28/2.35  #
% 7.28/2.35  # Preprocessing time       : 0.015 s
% 7.28/2.35  # Presaturation interreduction done
% 7.28/2.35  
% 7.28/2.35  # Proof found!
% 7.28/2.35  # SZS status Theorem
% 7.28/2.35  # SZS output start CNFRefutation
% See solution above
% 7.28/2.35  # Training examples: 0 positive, 0 negative
% 7.28/2.35  
% 7.28/2.35  # -------------------------------------------------
% 7.28/2.35  # User time                : 0.024 s
% 7.28/2.35  # System time              : 0.009 s
% 7.28/2.35  # Total time               : 0.033 s
% 7.28/2.35  # Maximum resident set size: 7120 pages
% 7.28/2.35  
%------------------------------------------------------------------------------