TSTP Solution File: HEN004-5 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : HEN004-5 : TPTP v8.1.2. Released v1.0.0.
% 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 12:12:46 EDT 2023

% Result   : Unsatisfiable 0.12s 0.35s
% Output   : CNFRefutation 0.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   12
% Syntax   : Number of formulae    :   45 (  17 unt;   0 def)
%            Number of atoms       :   79 (  40 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   62 (  28   ~;  28   |;   0   &)
%                                         (   6 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    8 (   6 usr;   7 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-2 aty)
%            Number of variables   :   21 (;  21   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [X,Y] : divide(divide(X,Y),X) = zero,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f2,axiom,
    ! [X,Z,Y] : divide(divide(divide(X,Z),divide(Y,Z)),divide(divide(X,Y),Z)) = zero,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [X] : divide(zero,X) = zero,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f4,axiom,
    ! [X,Y] :
      ( divide(X,Y) != zero
      | divide(Y,X) != zero
      | X = Y ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f6,axiom,
    ! [X] : divide(X,X) = zero,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f7,negated_conjecture,
    divide(a,zero) != a,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f8,plain,
    ! [X0,X1] : divide(divide(X0,X1),X0) = zero,
    inference(cnf_transformation,[status(esa)],[f1]) ).

fof(f9,plain,
    ! [X0,X1,X2] : divide(divide(divide(X0,X1),divide(X2,X1)),divide(divide(X0,X2),X1)) = zero,
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f10,plain,
    ! [X0] : divide(zero,X0) = zero,
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f11,plain,
    ! [X0,X1] :
      ( divide(X0,X1) != zero
      | divide(X1,X0) != zero
      | X0 = X1 ),
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f13,plain,
    ! [X0] : divide(X0,X0) = zero,
    inference(cnf_transformation,[status(esa)],[f6]) ).

fof(f14,plain,
    divide(a,zero) != a,
    inference(cnf_transformation,[status(esa)],[f7]) ).

fof(f18,plain,
    ( spl0_0
  <=> divide(divide(a,zero),a) = zero ),
    introduced(split_symbol_definition) ).

fof(f20,plain,
    ( divide(divide(a,zero),a) != zero
    | spl0_0 ),
    inference(component_clause,[status(thm)],[f18]) ).

fof(f21,plain,
    ( spl0_1
  <=> divide(a,divide(a,zero)) = zero ),
    introduced(split_symbol_definition) ).

fof(f23,plain,
    ( divide(a,divide(a,zero)) != zero
    | spl0_1 ),
    inference(component_clause,[status(thm)],[f21]) ).

fof(f24,plain,
    ( divide(divide(a,zero),a) != zero
    | divide(a,divide(a,zero)) != zero ),
    inference(resolution,[status(thm)],[f11,f14]) ).

fof(f25,plain,
    ( ~ spl0_0
    | ~ spl0_1 ),
    inference(split_clause,[status(thm)],[f24,f18,f21]) ).

fof(f28,plain,
    ( zero != zero
    | spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f8,f20]) ).

fof(f29,plain,
    ( $false
    | spl0_0 ),
    inference(trivial_equality_resolution,[status(esa)],[f28]) ).

fof(f30,plain,
    spl0_0,
    inference(contradiction_clause,[status(thm)],[f29]) ).

fof(f31,plain,
    ( spl0_2
  <=> divide(divide(a,divide(a,zero)),zero) = zero ),
    introduced(split_symbol_definition) ).

fof(f33,plain,
    ( divide(divide(a,divide(a,zero)),zero) != zero
    | spl0_2 ),
    inference(component_clause,[status(thm)],[f31]) ).

fof(f34,plain,
    ( spl0_3
  <=> divide(zero,divide(a,divide(a,zero))) = zero ),
    introduced(split_symbol_definition) ).

fof(f36,plain,
    ( divide(zero,divide(a,divide(a,zero))) != zero
    | spl0_3 ),
    inference(component_clause,[status(thm)],[f34]) ).

fof(f37,plain,
    ( divide(divide(a,divide(a,zero)),zero) != zero
    | divide(zero,divide(a,divide(a,zero))) != zero
    | spl0_1 ),
    inference(resolution,[status(thm)],[f23,f11]) ).

fof(f38,plain,
    ( ~ spl0_2
    | ~ spl0_3
    | spl0_1 ),
    inference(split_clause,[status(thm)],[f37,f31,f34,f21]) ).

fof(f53,plain,
    ! [X0,X1] : divide(divide(divide(X0,X1),zero),divide(divide(X0,zero),X1)) = zero,
    inference(paramodulation,[status(thm)],[f10,f9]) ).

fof(f67,plain,
    ( spl0_4
  <=> divide(divide(divide(a,divide(a,zero)),zero),zero) = zero ),
    introduced(split_symbol_definition) ).

fof(f69,plain,
    ( divide(divide(divide(a,divide(a,zero)),zero),zero) != zero
    | spl0_4 ),
    inference(component_clause,[status(thm)],[f67]) ).

fof(f70,plain,
    ( spl0_5
  <=> divide(zero,divide(divide(a,divide(a,zero)),zero)) = zero ),
    introduced(split_symbol_definition) ).

fof(f72,plain,
    ( divide(zero,divide(divide(a,divide(a,zero)),zero)) != zero
    | spl0_5 ),
    inference(component_clause,[status(thm)],[f70]) ).

fof(f73,plain,
    ( divide(divide(divide(a,divide(a,zero)),zero),zero) != zero
    | divide(zero,divide(divide(a,divide(a,zero)),zero)) != zero
    | spl0_2 ),
    inference(resolution,[status(thm)],[f33,f11]) ).

fof(f74,plain,
    ( ~ spl0_4
    | ~ spl0_5
    | spl0_2 ),
    inference(split_clause,[status(thm)],[f73,f67,f70,f31]) ).

fof(f77,plain,
    ( zero != zero
    | spl0_3 ),
    inference(forward_demodulation,[status(thm)],[f10,f36]) ).

fof(f78,plain,
    ( $false
    | spl0_3 ),
    inference(trivial_equality_resolution,[status(esa)],[f77]) ).

fof(f79,plain,
    spl0_3,
    inference(contradiction_clause,[status(thm)],[f78]) ).

fof(f180,plain,
    ! [X0] : divide(divide(divide(X0,divide(X0,zero)),zero),zero) = zero,
    inference(paramodulation,[status(thm)],[f13,f53]) ).

fof(f205,plain,
    ( zero != zero
    | spl0_4 ),
    inference(backward_demodulation,[status(thm)],[f180,f69]) ).

fof(f206,plain,
    ( $false
    | spl0_4 ),
    inference(trivial_equality_resolution,[status(esa)],[f205]) ).

fof(f207,plain,
    spl0_4,
    inference(contradiction_clause,[status(thm)],[f206]) ).

fof(f208,plain,
    ( zero != zero
    | spl0_5 ),
    inference(forward_demodulation,[status(thm)],[f10,f72]) ).

fof(f209,plain,
    ( $false
    | spl0_5 ),
    inference(trivial_equality_resolution,[status(esa)],[f208]) ).

fof(f210,plain,
    spl0_5,
    inference(contradiction_clause,[status(thm)],[f209]) ).

fof(f211,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f25,f30,f38,f74,f79,f207,f210]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : HEN004-5 : TPTP v8.1.2. Released v1.0.0.
% 0.03/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.12/0.33  % Computer : n013.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 300
% 0.12/0.33  % DateTime : Tue May 30 09:28:50 EDT 2023
% 0.12/0.33  % CPUTime  : 
% 0.12/0.34  % Drodi V3.5.1
% 0.12/0.35  % Refutation found
% 0.12/0.35  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.12/0.35  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.28/0.57  % Elapsed time: 0.021361 seconds
% 0.28/0.57  % CPU time: 0.068018 seconds
% 0.28/0.57  % Memory used: 9.957 MB
%------------------------------------------------------------------------------