TSTP Solution File: GRP494-1 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : GRP494-1 : TPTP v8.1.2. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n018.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 12:11:51 EDT 2023

% Result   : Unsatisfiable 0.13s 0.37s
% Output   : CNFRefutation 0.13s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   38 (  38 unt;   0 def)
%            Number of atoms       :   38 (  37 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    3 (   3   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    4 (   2 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :   45 (;  45   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [A,B,C] : double_divide(double_divide(identity,A),double_divide(double_divide(double_divide(B,C),double_divide(identity,identity)),double_divide(A,C))) = B,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f2,axiom,
    ! [A,B] : multiply(A,B) = double_divide(double_divide(B,A),identity),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [A] : inverse(A) = double_divide(A,identity),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f4,axiom,
    ! [A] : identity = double_divide(A,inverse(A)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f5,negated_conjecture,
    multiply(identity,a2) != a2,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f6,plain,
    ! [X0,X1,X2] : double_divide(double_divide(identity,X0),double_divide(double_divide(double_divide(X1,X2),double_divide(identity,identity)),double_divide(X0,X2))) = X1,
    inference(cnf_transformation,[status(esa)],[f1]) ).

fof(f7,plain,
    ! [X0,X1] : multiply(X0,X1) = double_divide(double_divide(X1,X0),identity),
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f8,plain,
    ! [X0] : inverse(X0) = double_divide(X0,identity),
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f9,plain,
    ! [X0] : identity = double_divide(X0,inverse(X0)),
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f10,plain,
    multiply(identity,a2) != a2,
    inference(cnf_transformation,[status(esa)],[f5]) ).

fof(f11,plain,
    ! [X0,X1,X2] : double_divide(double_divide(identity,X0),double_divide(double_divide(double_divide(X1,X2),inverse(identity)),double_divide(X0,X2))) = X1,
    inference(backward_demodulation,[status(thm)],[f8,f6]) ).

fof(f12,plain,
    ! [X0,X1] : multiply(X0,X1) = inverse(double_divide(X1,X0)),
    inference(backward_demodulation,[status(thm)],[f8,f7]) ).

fof(f14,plain,
    ! [X0] : multiply(identity,X0) = inverse(inverse(X0)),
    inference(paramodulation,[status(thm)],[f8,f12]) ).

fof(f17,plain,
    ! [X0,X1] : double_divide(identity,double_divide(double_divide(double_divide(X0,X1),inverse(identity)),double_divide(inverse(identity),X1))) = X0,
    inference(paramodulation,[status(thm)],[f9,f11]) ).

fof(f20,plain,
    ! [X0,X1] : double_divide(double_divide(identity,X0),double_divide(double_divide(identity,inverse(identity)),double_divide(X0,inverse(X1)))) = X1,
    inference(paramodulation,[status(thm)],[f9,f11]) ).

fof(f21,plain,
    ! [X0,X1] : double_divide(double_divide(identity,X0),double_divide(identity,double_divide(X0,inverse(X1)))) = X1,
    inference(forward_demodulation,[status(thm)],[f9,f20]) ).

fof(f78,plain,
    ! [X0] : double_divide(double_divide(identity,X0),double_divide(identity,identity)) = X0,
    inference(paramodulation,[status(thm)],[f9,f21]) ).

fof(f79,plain,
    ! [X0] : double_divide(double_divide(identity,X0),inverse(identity)) = X0,
    inference(forward_demodulation,[status(thm)],[f8,f78]) ).

fof(f99,plain,
    ! [X0] : double_divide(identity,double_divide(double_divide(inverse(X0),inverse(identity)),double_divide(inverse(identity),identity))) = X0,
    inference(paramodulation,[status(thm)],[f8,f17]) ).

fof(f100,plain,
    ! [X0] : double_divide(identity,double_divide(double_divide(inverse(X0),inverse(identity)),inverse(inverse(identity)))) = X0,
    inference(forward_demodulation,[status(thm)],[f8,f99]) ).

fof(f101,plain,
    ! [X0] : double_divide(identity,double_divide(double_divide(inverse(X0),inverse(identity)),multiply(identity,identity))) = X0,
    inference(forward_demodulation,[status(thm)],[f14,f100]) ).

fof(f147,plain,
    ! [X0,X1] : double_divide(X0,inverse(identity)) = double_divide(double_divide(double_divide(X0,X1),inverse(identity)),double_divide(inverse(identity),X1)),
    inference(paramodulation,[status(thm)],[f17,f79]) ).

fof(f148,plain,
    double_divide(identity,inverse(identity)) = inverse(identity),
    inference(paramodulation,[status(thm)],[f9,f79]) ).

fof(f149,plain,
    identity = inverse(identity),
    inference(forward_demodulation,[status(thm)],[f9,f148]) ).

fof(f188,plain,
    ! [X0] : double_divide(identity,double_divide(X0,inverse(identity))) = X0,
    inference(backward_demodulation,[status(thm)],[f147,f17]) ).

fof(f189,plain,
    ! [X0] : double_divide(identity,double_divide(X0,identity)) = X0,
    inference(forward_demodulation,[status(thm)],[f149,f188]) ).

fof(f190,plain,
    ! [X0] : double_divide(identity,inverse(X0)) = X0,
    inference(forward_demodulation,[status(thm)],[f8,f189]) ).

fof(f210,plain,
    ! [X0] : double_divide(double_divide(identity,X0),identity) = X0,
    inference(backward_demodulation,[status(thm)],[f149,f79]) ).

fof(f211,plain,
    ! [X0] : inverse(double_divide(identity,X0)) = X0,
    inference(forward_demodulation,[status(thm)],[f8,f210]) ).

fof(f212,plain,
    ! [X0] : multiply(X0,identity) = X0,
    inference(forward_demodulation,[status(thm)],[f12,f211]) ).

fof(f233,plain,
    ! [X0] : double_divide(identity,double_divide(double_divide(inverse(X0),identity),multiply(identity,identity))) = X0,
    inference(backward_demodulation,[status(thm)],[f149,f101]) ).

fof(f234,plain,
    ! [X0] : double_divide(identity,double_divide(inverse(inverse(X0)),multiply(identity,identity))) = X0,
    inference(forward_demodulation,[status(thm)],[f8,f233]) ).

fof(f235,plain,
    ! [X0] : double_divide(identity,double_divide(multiply(identity,X0),multiply(identity,identity))) = X0,
    inference(forward_demodulation,[status(thm)],[f14,f234]) ).

fof(f236,plain,
    ! [X0] : double_divide(identity,double_divide(multiply(identity,X0),identity)) = X0,
    inference(forward_demodulation,[status(thm)],[f212,f235]) ).

fof(f237,plain,
    ! [X0] : double_divide(identity,inverse(multiply(identity,X0))) = X0,
    inference(forward_demodulation,[status(thm)],[f8,f236]) ).

fof(f238,plain,
    ! [X0] : multiply(identity,X0) = X0,
    inference(forward_demodulation,[status(thm)],[f190,f237]) ).

fof(f291,plain,
    a2 != a2,
    inference(backward_demodulation,[status(thm)],[f238,f10]) ).

fof(f292,plain,
    $false,
    inference(trivial_equality_resolution,[status(esa)],[f291]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.12  % Problem  : GRP494-1 : TPTP v8.1.2. Released v2.6.0.
% 0.08/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.35  % Computer : n018.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 300
% 0.13/0.35  % DateTime : Tue May 30 11:33:25 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.13/0.35  % Drodi V3.5.1
% 0.13/0.37  % Refutation found
% 0.13/0.37  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.13/0.37  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.13/0.38  % Elapsed time: 0.032175 seconds
% 0.13/0.38  % CPU time: 0.157169 seconds
% 0.13/0.38  % Memory used: 4.435 MB
%------------------------------------------------------------------------------