TSTP Solution File: GRP109-1 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : GRP109-1 : TPTP v8.1.2. Bugfixed v2.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n014.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 : Tue Apr 30 20:19:15 EDT 2024

% Result   : Unsatisfiable 0.20s 0.47s
% Output   : CNFRefutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   24
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   58 (  34 unt;   0 def)
%            Number of atoms       :   88 (  54 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   55 (  25   ~;  26   |;   0   &)
%                                         (   4 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   3 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    6 (   4 usr;   5 prp; 0-2 aty)
%            Number of functors    :   12 (  12 usr;   9 con; 0-2 aty)
%            Number of variables   :   74 (  74   !;   0   ?)

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

fof(f2,axiom,
    ! [X,Y] : multiply(X,Y) = inverse(double_divide(Y,X)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f3,negated_conjecture,
    ( multiply(inverse(a1),a1) != multiply(inverse(b1),b1)
    | multiply(multiply(inverse(b2),b2),a2) != a2
    | multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3))
    | multiply(a4,b4) != multiply(b4,a4) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f4,plain,
    ! [X0,X1,X2] : double_divide(inverse(double_divide(X0,inverse(double_divide(inverse(X1),double_divide(X0,X2))))),X2) = X1,
    inference(cnf_transformation,[status(esa)],[f1]) ).

fof(f5,plain,
    ! [X0,X1] : multiply(X0,X1) = inverse(double_divide(X1,X0)),
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f6,plain,
    ( multiply(inverse(a1),a1) != multiply(inverse(b1),b1)
    | multiply(multiply(inverse(b2),b2),a2) != a2
    | multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3))
    | multiply(a4,b4) != multiply(b4,a4) ),
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f7,plain,
    ( spl0_0
  <=> multiply(inverse(a1),a1) = multiply(inverse(b1),b1) ),
    introduced(split_symbol_definition) ).

fof(f9,plain,
    ( multiply(inverse(a1),a1) != multiply(inverse(b1),b1)
    | spl0_0 ),
    inference(component_clause,[status(thm)],[f7]) ).

fof(f10,plain,
    ( spl0_1
  <=> multiply(multiply(inverse(b2),b2),a2) = a2 ),
    introduced(split_symbol_definition) ).

fof(f12,plain,
    ( multiply(multiply(inverse(b2),b2),a2) != a2
    | spl0_1 ),
    inference(component_clause,[status(thm)],[f10]) ).

fof(f13,plain,
    ( spl0_2
  <=> multiply(multiply(a3,b3),c3) = multiply(a3,multiply(b3,c3)) ),
    introduced(split_symbol_definition) ).

fof(f15,plain,
    ( multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3))
    | spl0_2 ),
    inference(component_clause,[status(thm)],[f13]) ).

fof(f16,plain,
    ( spl0_3
  <=> multiply(a4,b4) = multiply(b4,a4) ),
    introduced(split_symbol_definition) ).

fof(f18,plain,
    ( multiply(a4,b4) != multiply(b4,a4)
    | spl0_3 ),
    inference(component_clause,[status(thm)],[f16]) ).

fof(f19,plain,
    ( ~ spl0_0
    | ~ spl0_1
    | ~ spl0_2
    | ~ spl0_3 ),
    inference(split_clause,[status(thm)],[f6,f7,f10,f13,f16]) ).

fof(f20,plain,
    ! [X0,X1,X2] : double_divide(inverse(double_divide(X0,multiply(double_divide(X0,X1),inverse(X2)))),X1) = X2,
    inference(backward_demodulation,[status(thm)],[f5,f4]) ).

fof(f21,plain,
    ! [X0,X1,X2] : double_divide(multiply(multiply(double_divide(X0,X1),inverse(X2)),X0),X1) = X2,
    inference(forward_demodulation,[status(thm)],[f5,f20]) ).

fof(f22,plain,
    ! [X0,X1,X2,X3] : double_divide(multiply(multiply(X0,inverse(X1)),multiply(multiply(double_divide(X2,X3),inverse(X0)),X2)),X3) = X1,
    inference(paramodulation,[status(thm)],[f21,f21]) ).

fof(f24,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(multiply(double_divide(X1,X0),inverse(X2)),X1)) = inverse(X2),
    inference(paramodulation,[status(thm)],[f21,f5]) ).

fof(f26,plain,
    ! [X0,X1,X2,X3] : multiply(X0,multiply(multiply(double_divide(X1,X0),multiply(X2,X3)),X1)) = inverse(double_divide(X3,X2)),
    inference(paramodulation,[status(thm)],[f5,f24]) ).

fof(f27,plain,
    ! [X0,X1,X2,X3] : multiply(X0,multiply(multiply(double_divide(X1,X0),multiply(X2,X3)),X1)) = multiply(X2,X3),
    inference(forward_demodulation,[status(thm)],[f5,f26]) ).

fof(f48,plain,
    ! [X0,X1] : double_divide(inverse(X0),multiply(X0,inverse(X1))) = X1,
    inference(paramodulation,[status(thm)],[f24,f22]) ).

fof(f66,plain,
    ! [X0,X1] : multiply(multiply(X0,inverse(X1)),inverse(X0)) = inverse(X1),
    inference(paramodulation,[status(thm)],[f48,f5]) ).

fof(f67,plain,
    ! [X0,X1] : multiply(inverse(X0),inverse(multiply(X1,inverse(X0)))) = inverse(X1),
    inference(paramodulation,[status(thm)],[f66,f66]) ).

fof(f71,plain,
    ! [X0,X1] : double_divide(inverse(multiply(X0,inverse(X1))),inverse(X1)) = X0,
    inference(paramodulation,[status(thm)],[f66,f48]) ).

fof(f84,plain,
    ! [X0,X1] : double_divide(inverse(inverse(X0)),inverse(X1)) = multiply(X1,inverse(X0)),
    inference(paramodulation,[status(thm)],[f67,f48]) ).

fof(f91,plain,
    ! [X0,X1,X2] : double_divide(inverse(multiply(X0,X1)),inverse(X2)) = multiply(X2,inverse(double_divide(X1,X0))),
    inference(paramodulation,[status(thm)],[f5,f84]) ).

fof(f92,plain,
    ! [X0,X1,X2] : double_divide(inverse(multiply(X0,X1)),inverse(X2)) = multiply(X2,multiply(X0,X1)),
    inference(forward_demodulation,[status(thm)],[f5,f91]) ).

fof(f100,plain,
    ! [X0,X1] : multiply(X0,multiply(X1,inverse(X0))) = X1,
    inference(backward_demodulation,[status(thm)],[f92,f71]) ).

fof(f105,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(X1,X2)) = multiply(X1,inverse(double_divide(X2,X0))),
    inference(paramodulation,[status(thm)],[f100,f27]) ).

fof(f106,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(X1,X2)) = multiply(X1,multiply(X0,X2)),
    inference(forward_demodulation,[status(thm)],[f5,f105]) ).

fof(f117,plain,
    ! [X0,X1] : X0 = multiply(X0,multiply(X1,inverse(X1))),
    inference(paramodulation,[status(thm)],[f100,f106]) ).

fof(f166,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(X1,multiply(X2,inverse(X2)))) = multiply(X1,X0),
    inference(paramodulation,[status(thm)],[f117,f106]) ).

fof(f167,plain,
    ! [X0,X1] : multiply(X0,X1) = multiply(X1,X0),
    inference(forward_demodulation,[status(thm)],[f117,f166]) ).

fof(f172,plain,
    ( $false
    | spl0_3 ),
    inference(backward_subsumption_resolution,[status(thm)],[f18,f167]) ).

fof(f173,plain,
    spl0_3,
    inference(contradiction_clause,[status(thm)],[f172]) ).

fof(f174,plain,
    ( multiply(c3,multiply(a3,b3)) != multiply(a3,multiply(b3,c3))
    | spl0_2 ),
    inference(forward_demodulation,[status(thm)],[f167,f15]) ).

fof(f175,plain,
    ( multiply(a3,multiply(c3,b3)) != multiply(a3,multiply(b3,c3))
    | spl0_2 ),
    inference(forward_demodulation,[status(thm)],[f106,f174]) ).

fof(f176,plain,
    ( multiply(a3,multiply(b3,c3)) != multiply(a3,multiply(b3,c3))
    | spl0_2 ),
    inference(forward_demodulation,[status(thm)],[f167,f175]) ).

fof(f177,plain,
    ( $false
    | spl0_2 ),
    inference(trivial_equality_resolution,[status(esa)],[f176]) ).

fof(f178,plain,
    spl0_2,
    inference(contradiction_clause,[status(thm)],[f177]) ).

fof(f179,plain,
    ( multiply(a1,inverse(a1)) != multiply(inverse(b1),b1)
    | spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f167,f9]) ).

fof(f180,plain,
    ( multiply(a1,inverse(a1)) != multiply(b1,inverse(b1))
    | spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f167,f179]) ).

fof(f214,plain,
    ! [X0,X1] : multiply(X0,multiply(inverse(X0),X1)) = X1,
    inference(paramodulation,[status(thm)],[f167,f100]) ).

fof(f227,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(X1,X2)) = multiply(X1,multiply(X2,X0)),
    inference(paramodulation,[status(thm)],[f167,f106]) ).

fof(f450,plain,
    ! [X0] : X0 = inverse(inverse(X0)),
    inference(paramodulation,[status(thm)],[f117,f214]) ).

fof(f453,plain,
    ! [X0,X1] : multiply(X0,inverse(X0)) = multiply(X1,inverse(X1)),
    inference(paramodulation,[status(thm)],[f117,f214]) ).

fof(f467,plain,
    ! [X0,X1] : double_divide(X0,inverse(X1)) = multiply(X1,inverse(X0)),
    inference(backward_demodulation,[status(thm)],[f450,f84]) ).

fof(f497,plain,
    ( $false
    | spl0_0 ),
    inference(backward_subsumption_resolution,[status(thm)],[f180,f453]) ).

fof(f498,plain,
    spl0_0,
    inference(contradiction_clause,[status(thm)],[f497]) ).

fof(f500,plain,
    ! [X0,X1] : multiply(X0,double_divide(X0,inverse(X1))) = X1,
    inference(backward_demodulation,[status(thm)],[f467,f100]) ).

fof(f599,plain,
    ( multiply(a2,multiply(inverse(b2),b2)) != a2
    | spl0_1 ),
    inference(forward_demodulation,[status(thm)],[f167,f12]) ).

fof(f600,plain,
    ( multiply(b2,multiply(a2,inverse(b2))) != a2
    | spl0_1 ),
    inference(forward_demodulation,[status(thm)],[f227,f599]) ).

fof(f601,plain,
    ( multiply(b2,double_divide(b2,inverse(a2))) != a2
    | spl0_1 ),
    inference(forward_demodulation,[status(thm)],[f467,f600]) ).

fof(f602,plain,
    ( a2 != a2
    | spl0_1 ),
    inference(forward_demodulation,[status(thm)],[f500,f601]) ).

fof(f603,plain,
    ( $false
    | spl0_1 ),
    inference(trivial_equality_resolution,[status(esa)],[f602]) ).

fof(f604,plain,
    spl0_1,
    inference(contradiction_clause,[status(thm)],[f603]) ).

fof(f605,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f19,f173,f178,f498,f604]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : GRP109-1 : TPTP v8.1.2. Bugfixed v2.7.0.
% 0.07/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.14/0.35  % Computer : n014.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  : 300
% 0.14/0.35  % DateTime : Tue Apr 30 00:20:04 EDT 2024
% 0.14/0.35  % CPUTime  : 
% 0.14/0.36  % Drodi V3.6.0
% 0.20/0.47  % Refutation found
% 0.20/0.47  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.20/0.47  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.20/0.49  % Elapsed time: 0.135984 seconds
% 0.20/0.49  % CPU time: 0.958207 seconds
% 0.20/0.49  % Total memory used: 57.119 MB
% 0.20/0.49  % Net memory used: 55.928 MB
%------------------------------------------------------------------------------