TSTP Solution File: SET085-6 by Drodi---3.5.1

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%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SET085-6 : TPTP v8.1.2. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n013.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  : 300s
% DateTime : Wed May 31 12:33:56 EDT 2023

% Result   : Unsatisfiable 0.21s 0.60s
% Output   : CNFRefutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   33 (  14 unt;   0 def)
%            Number of atoms       :   58 (  22 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   46 (  21   ~;  22   |;   0   &)
%                                         (   3 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   4 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   4 con; 0-2 aty)
%            Number of variables   :   19 (;  19   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f8,axiom,
    ! [U,X,Y] :
      ( ~ member(U,unordered_pair(X,Y))
      | U = X
      | U = Y ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f9,axiom,
    ! [X,Y] :
      ( ~ member(X,universal_class)
      | member(X,unordered_pair(X,Y)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f12,axiom,
    ! [X] : unordered_pair(X,X) = singleton(X),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f92,negated_conjecture,
    unordered_pair(y,z) = singleton(x),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f93,negated_conjecture,
    member(x,universal_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f94,negated_conjecture,
    x != y,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f95,negated_conjecture,
    x != z,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f104,plain,
    ! [U,Y] :
      ( ! [X] :
          ( ~ member(U,unordered_pair(X,Y))
          | U = X )
      | U = Y ),
    inference(miniscoping,[status(esa)],[f8]) ).

fof(f105,plain,
    ! [X0,X1,X2] :
      ( ~ member(X0,unordered_pair(X1,X2))
      | X0 = X1
      | X0 = X2 ),
    inference(cnf_transformation,[status(esa)],[f104]) ).

fof(f106,plain,
    ! [X] :
      ( ~ member(X,universal_class)
      | ! [Y] : member(X,unordered_pair(X,Y)) ),
    inference(miniscoping,[status(esa)],[f9]) ).

fof(f107,plain,
    ! [X0,X1] :
      ( ~ member(X0,universal_class)
      | member(X0,unordered_pair(X0,X1)) ),
    inference(cnf_transformation,[status(esa)],[f106]) ).

fof(f111,plain,
    ! [X0] : unordered_pair(X0,X0) = singleton(X0),
    inference(cnf_transformation,[status(esa)],[f12]) ).

fof(f201,plain,
    unordered_pair(y,z) = singleton(x),
    inference(cnf_transformation,[status(esa)],[f92]) ).

fof(f202,plain,
    member(x,universal_class),
    inference(cnf_transformation,[status(esa)],[f93]) ).

fof(f203,plain,
    x != y,
    inference(cnf_transformation,[status(esa)],[f94]) ).

fof(f204,plain,
    x != z,
    inference(cnf_transformation,[status(esa)],[f95]) ).

fof(f208,plain,
    ! [X0] :
      ( ~ member(X0,singleton(x))
      | X0 = y
      | X0 = z ),
    inference(paramodulation,[status(thm)],[f201,f105]) ).

fof(f221,plain,
    ! [X0] :
      ( ~ member(X0,universal_class)
      | member(X0,singleton(X0)) ),
    inference(paramodulation,[status(thm)],[f111,f107]) ).

fof(f231,plain,
    ( spl0_4
  <=> x = y ),
    introduced(split_symbol_definition) ).

fof(f232,plain,
    ( x = y
    | ~ spl0_4 ),
    inference(component_clause,[status(thm)],[f231]) ).

fof(f234,plain,
    ( spl0_5
  <=> x = z ),
    introduced(split_symbol_definition) ).

fof(f235,plain,
    ( x = z
    | ~ spl0_5 ),
    inference(component_clause,[status(thm)],[f234]) ).

fof(f237,plain,
    ( spl0_6
  <=> member(x,universal_class) ),
    introduced(split_symbol_definition) ).

fof(f239,plain,
    ( ~ member(x,universal_class)
    | spl0_6 ),
    inference(component_clause,[status(thm)],[f237]) ).

fof(f240,plain,
    ( x = y
    | x = z
    | ~ member(x,universal_class) ),
    inference(resolution,[status(thm)],[f208,f221]) ).

fof(f241,plain,
    ( spl0_4
    | spl0_5
    | ~ spl0_6 ),
    inference(split_clause,[status(thm)],[f240,f231,f234,f237]) ).

fof(f242,plain,
    ( $false
    | spl0_6 ),
    inference(forward_subsumption_resolution,[status(thm)],[f239,f202]) ).

fof(f243,plain,
    spl0_6,
    inference(contradiction_clause,[status(thm)],[f242]) ).

fof(f244,plain,
    ( $false
    | ~ spl0_4 ),
    inference(forward_subsumption_resolution,[status(thm)],[f232,f203]) ).

fof(f245,plain,
    ~ spl0_4,
    inference(contradiction_clause,[status(thm)],[f244]) ).

fof(f246,plain,
    ( $false
    | ~ spl0_5 ),
    inference(forward_subsumption_resolution,[status(thm)],[f235,f204]) ).

fof(f247,plain,
    ~ spl0_5,
    inference(contradiction_clause,[status(thm)],[f246]) ).

fof(f248,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f241,f243,f245,f247]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET085-6 : TPTP v8.1.2. Bugfixed v2.1.0.
% 0.07/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.12/0.34  % Computer : n013.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  : 300
% 0.12/0.34  % DateTime : Tue May 30 10:11:35 EDT 2023
% 0.12/0.35  % CPUTime  : 
% 0.12/0.36  % Drodi V3.5.1
% 0.21/0.60  % Refutation found
% 0.21/0.60  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.21/0.60  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.21/0.60  % Elapsed time: 0.029143 seconds
% 0.21/0.60  % CPU time: 0.026021 seconds
% 0.21/0.60  % Memory used: 3.789 MB
%------------------------------------------------------------------------------