TSTP Solution File: SET838-1 by Drodi---3.5.1

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%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SET838-1 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% 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  : 300s
% DateTime : Wed May 31 12:35:19 EDT 2023

% Result   : Unsatisfiable 0.06s 0.29s
% Output   : CNFRefutation 0.06s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   30 (   5 unt;   0 def)
%            Number of atoms       :   61 (  29 equ)
%            Maximal formula atoms :    3 (   2 avg)
%            Number of connectives :   61 (  30   ~;  27   |;   0   &)
%                                         (   4 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    4 (   3 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    6 (   4 usr;   5 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   1 con; 0-1 aty)
%            Number of variables   :    6 (;   6   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1358,negated_conjecture,
    v_f(v_g(v_x)) = v_x,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f1359,negated_conjecture,
    ! [V_U] :
      ( V_U = v_x
      | v_f(v_g(V_U)) != V_U ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f1360,negated_conjecture,
    ! [V_U] :
      ( v_g(v_f(v_xa(V_U))) = v_xa(V_U)
      | v_g(v_f(V_U)) != V_U ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f1361,negated_conjecture,
    ! [V_U] :
      ( v_xa(V_U) != V_U
      | v_g(v_f(V_U)) != V_U ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f2837,plain,
    v_f(v_g(v_x)) = v_x,
    inference(cnf_transformation,[status(esa)],[f1358]) ).

fof(f2838,plain,
    ! [X0] :
      ( X0 = v_x
      | v_f(v_g(X0)) != X0 ),
    inference(cnf_transformation,[status(esa)],[f1359]) ).

fof(f2839,plain,
    ! [X0] :
      ( v_g(v_f(v_xa(X0))) = v_xa(X0)
      | v_g(v_f(X0)) != X0 ),
    inference(cnf_transformation,[status(esa)],[f1360]) ).

fof(f2840,plain,
    ! [X0] :
      ( v_xa(X0) != X0
      | v_g(v_f(X0)) != X0 ),
    inference(cnf_transformation,[status(esa)],[f1361]) ).

fof(f2846,plain,
    ( spl0_1
  <=> v_g(v_f(v_xa(v_g(v_x)))) = v_xa(v_g(v_x)) ),
    introduced(split_symbol_definition) ).

fof(f2847,plain,
    ( v_g(v_f(v_xa(v_g(v_x)))) = v_xa(v_g(v_x))
    | ~ spl0_1 ),
    inference(component_clause,[status(thm)],[f2846]) ).

fof(f2849,plain,
    ( spl0_2
  <=> v_g(v_x) = v_g(v_x) ),
    introduced(split_symbol_definition) ).

fof(f2851,plain,
    ( v_g(v_x) != v_g(v_x)
    | spl0_2 ),
    inference(component_clause,[status(thm)],[f2849]) ).

fof(f2852,plain,
    ( v_g(v_f(v_xa(v_g(v_x)))) = v_xa(v_g(v_x))
    | v_g(v_x) != v_g(v_x) ),
    inference(paramodulation,[status(thm)],[f2837,f2839]) ).

fof(f2853,plain,
    ( spl0_1
    | ~ spl0_2 ),
    inference(split_clause,[status(thm)],[f2852,f2846,f2849]) ).

fof(f2854,plain,
    ( $false
    | spl0_2 ),
    inference(trivial_equality_resolution,[status(esa)],[f2851]) ).

fof(f2855,plain,
    spl0_2,
    inference(contradiction_clause,[status(thm)],[f2854]) ).

fof(f2867,plain,
    ( spl0_5
  <=> v_f(v_xa(v_g(v_x))) = v_x ),
    introduced(split_symbol_definition) ).

fof(f2868,plain,
    ( v_f(v_xa(v_g(v_x))) = v_x
    | ~ spl0_5 ),
    inference(component_clause,[status(thm)],[f2867]) ).

fof(f2870,plain,
    ( spl0_6
  <=> v_f(v_xa(v_g(v_x))) = v_f(v_xa(v_g(v_x))) ),
    introduced(split_symbol_definition) ).

fof(f2872,plain,
    ( v_f(v_xa(v_g(v_x))) != v_f(v_xa(v_g(v_x)))
    | spl0_6 ),
    inference(component_clause,[status(thm)],[f2870]) ).

fof(f2873,plain,
    ( v_f(v_xa(v_g(v_x))) = v_x
    | v_f(v_xa(v_g(v_x))) != v_f(v_xa(v_g(v_x)))
    | ~ spl0_1 ),
    inference(paramodulation,[status(thm)],[f2847,f2838]) ).

fof(f2874,plain,
    ( spl0_5
    | ~ spl0_6
    | ~ spl0_1 ),
    inference(split_clause,[status(thm)],[f2873,f2867,f2870,f2846]) ).

fof(f2877,plain,
    ( $false
    | spl0_6 ),
    inference(trivial_equality_resolution,[status(esa)],[f2872]) ).

fof(f2878,plain,
    spl0_6,
    inference(contradiction_clause,[status(thm)],[f2877]) ).

fof(f2879,plain,
    ( v_g(v_x) = v_xa(v_g(v_x))
    | ~ spl0_5
    | ~ spl0_1 ),
    inference(backward_demodulation,[status(thm)],[f2868,f2847]) ).

fof(f2886,plain,
    ( v_g(v_f(v_g(v_x))) != v_g(v_x)
    | ~ spl0_5
    | ~ spl0_1 ),
    inference(resolution,[status(thm)],[f2879,f2840]) ).

fof(f2887,plain,
    ( v_g(v_x) != v_g(v_x)
    | ~ spl0_5
    | ~ spl0_1 ),
    inference(forward_demodulation,[status(thm)],[f2837,f2886]) ).

fof(f2888,plain,
    ( $false
    | ~ spl0_5
    | ~ spl0_1 ),
    inference(trivial_equality_resolution,[status(esa)],[f2887]) ).

fof(f2889,plain,
    ( ~ spl0_5
    | ~ spl0_1 ),
    inference(contradiction_clause,[status(thm)],[f2888]) ).

fof(f2890,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f2853,f2855,f2874,f2878,f2889]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.06  % Problem  : SET838-1 : TPTP v8.1.2. Released v3.2.0.
% 0.00/0.07  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.06/0.25  % Computer : n026.cluster.edu
% 0.06/0.25  % Model    : x86_64 x86_64
% 0.06/0.25  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.06/0.25  % Memory   : 8042.1875MB
% 0.06/0.25  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.06/0.25  % CPULimit : 300
% 0.06/0.25  % WCLimit  : 300
% 0.06/0.25  % DateTime : Tue May 30 10:29:13 EDT 2023
% 0.06/0.25  % CPUTime  : 
% 0.06/0.27  % Drodi V3.5.1
% 0.06/0.29  % Refutation found
% 0.06/0.29  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.06/0.29  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.06/0.30  % Elapsed time: 0.039296 seconds
% 0.06/0.30  % CPU time: 0.058453 seconds
% 0.06/0.30  % Memory used: 25.890 MB
%------------------------------------------------------------------------------