TSTP Solution File: GRP588-1 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : GRP588-1 : TPTP v8.1.2. Bugfixed v2.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n025.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 12:12:08 EDT 2023

% Result   : Unsatisfiable 0.18s 0.38s
% Output   : CNFRefutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   28
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   42 (  42 unt;   0 def)
%            Number of atoms       :   42 (  41 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    2 (   2   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   3 avg)
%            Maximal term depth    :    7 (   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   :   97 (;  97   !;   0   ?)

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

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

fof(f3,negated_conjecture,
    multiply(a,b) != multiply(b,a),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f4,plain,
    ! [X0,X1,X2] : double_divide(X0,inverse(double_divide(inverse(double_divide(double_divide(X0,X1),inverse(X2))),X1))) = X2,
    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(a,b) != multiply(b,a),
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f7,plain,
    ! [X0,X1,X2] : double_divide(X0,inverse(double_divide(multiply(inverse(X1),double_divide(X0,X2)),X2))) = X1,
    inference(backward_demodulation,[status(thm)],[f5,f4]) ).

fof(f8,plain,
    ! [X0,X1,X2] : double_divide(X0,multiply(X1,multiply(inverse(X2),double_divide(X0,X1)))) = X2,
    inference(forward_demodulation,[status(thm)],[f5,f7]) ).

fof(f10,plain,
    ! [X0,X1,X2,X3] : double_divide(X0,multiply(multiply(X1,multiply(inverse(X2),double_divide(X0,X1))),multiply(inverse(X3),X2))) = X3,
    inference(paramodulation,[status(thm)],[f8,f8]) ).

fof(f11,plain,
    ! [X0,X1,X2] : multiply(multiply(X0,multiply(inverse(X1),double_divide(X2,X0))),X2) = inverse(X1),
    inference(paramodulation,[status(thm)],[f8,f5]) ).

fof(f35,plain,
    ! [X0,X1] : double_divide(multiply(inverse(X0),X1),inverse(X1)) = X0,
    inference(paramodulation,[status(thm)],[f11,f10]) ).

fof(f47,plain,
    ! [X0,X1,X2] : double_divide(multiply(inverse(X0),double_divide(X1,X2)),multiply(X2,X1)) = X0,
    inference(paramodulation,[status(thm)],[f5,f35]) ).

fof(f53,plain,
    ! [X0,X1] : multiply(inverse(X0),multiply(inverse(X1),X0)) = inverse(X1),
    inference(paramodulation,[status(thm)],[f35,f5]) ).

fof(f58,plain,
    ! [X0,X1] : double_divide(inverse(X0),inverse(multiply(inverse(X0),X1))) = X1,
    inference(paramodulation,[status(thm)],[f53,f35]) ).

fof(f64,plain,
    ! [X0,X1,X2] : double_divide(multiply(X0,X1),inverse(multiply(inverse(double_divide(X1,X0)),X2))) = X2,
    inference(paramodulation,[status(thm)],[f5,f58]) ).

fof(f65,plain,
    ! [X0,X1,X2] : double_divide(multiply(X0,X1),inverse(multiply(multiply(X0,X1),X2))) = X2,
    inference(forward_demodulation,[status(thm)],[f5,f64]) ).

fof(f66,plain,
    ! [X0,X1] : double_divide(inverse(X0),inverse(inverse(X1))) = multiply(inverse(X1),X0),
    inference(paramodulation,[status(thm)],[f53,f58]) ).

fof(f145,plain,
    ! [X0,X1,X2] : double_divide(inverse(X0),inverse(multiply(X1,X2))) = multiply(inverse(double_divide(X2,X1)),X0),
    inference(paramodulation,[status(thm)],[f5,f66]) ).

fof(f146,plain,
    ! [X0,X1,X2] : double_divide(inverse(X0),inverse(multiply(X1,X2))) = multiply(multiply(X1,X2),X0),
    inference(forward_demodulation,[status(thm)],[f5,f145]) ).

fof(f156,plain,
    ! [X0,X1] : multiply(multiply(inverse(X0),X1),X0) = X1,
    inference(backward_demodulation,[status(thm)],[f146,f58]) ).

fof(f169,plain,
    ! [X0,X1,X2] : double_divide(multiply(multiply(inverse(X0),X1),X0),inverse(multiply(X1,X2))) = X2,
    inference(paramodulation,[status(thm)],[f156,f65]) ).

fof(f170,plain,
    ! [X0,X1] : double_divide(X0,inverse(multiply(X0,X1))) = X1,
    inference(forward_demodulation,[status(thm)],[f156,f169]) ).

fof(f191,plain,
    ! [X0,X1] : multiply(inverse(multiply(X0,X1)),X0) = inverse(X1),
    inference(paramodulation,[status(thm)],[f170,f5]) ).

fof(f266,plain,
    ! [X0,X1,X2] : double_divide(X0,multiply(X1,inverse(X2))) = multiply(double_divide(X0,X1),X2),
    inference(paramodulation,[status(thm)],[f191,f8]) ).

fof(f269,plain,
    ! [X0,X1] : multiply(inverse(X0),multiply(X1,X0)) = X1,
    inference(paramodulation,[status(thm)],[f191,f156]) ).

fof(f271,plain,
    ! [X0,X1] : double_divide(inverse(X0),inverse(X1)) = multiply(X1,X0),
    inference(paramodulation,[status(thm)],[f191,f35]) ).

fof(f389,plain,
    ! [X0,X1,X2] : double_divide(multiply(X0,X1),inverse(X2)) = multiply(X2,double_divide(X1,X0)),
    inference(paramodulation,[status(thm)],[f5,f271]) ).

fof(f398,plain,
    ! [X0,X1] : multiply(X0,double_divide(X0,inverse(X1))) = X1,
    inference(backward_demodulation,[status(thm)],[f389,f35]) ).

fof(f407,plain,
    ! [X0,X1] : double_divide(X0,multiply(inverse(X0),inverse(X1))) = X1,
    inference(paramodulation,[status(thm)],[f398,f47]) ).

fof(f408,plain,
    ! [X0,X1] : multiply(double_divide(X0,inverse(X0)),X1) = X1,
    inference(forward_demodulation,[status(thm)],[f266,f407]) ).

fof(f415,plain,
    ! [X0,X1] : multiply(multiply(inverse(X0),X0),X1) = X1,
    inference(paramodulation,[status(thm)],[f271,f408]) ).

fof(f419,plain,
    ! [X0,X1] : multiply(inverse(X0),X0) = double_divide(X1,inverse(X1)),
    inference(paramodulation,[status(thm)],[f408,f269]) ).

fof(f423,plain,
    ! [X0,X1] : X0 = double_divide(multiply(inverse(X1),X1),inverse(X0)),
    inference(paramodulation,[status(thm)],[f398,f415]) ).

fof(f424,plain,
    ! [X0,X1] : X0 = multiply(X0,double_divide(X1,inverse(X1))),
    inference(forward_demodulation,[status(thm)],[f389,f423]) ).

fof(f528,plain,
    ! [X0,X1,X2] : double_divide(multiply(inverse(X0),double_divide(X1,inverse(X1))),double_divide(X2,inverse(X2))) = X0,
    inference(paramodulation,[status(thm)],[f419,f47]) ).

fof(f529,plain,
    ! [X0,X1] : double_divide(inverse(X0),double_divide(X1,inverse(X1))) = X0,
    inference(forward_demodulation,[status(thm)],[f424,f528]) ).

fof(f540,plain,
    ! [X0,X1,X2] : double_divide(multiply(X0,X1),double_divide(X2,inverse(X2))) = double_divide(X1,X0),
    inference(paramodulation,[status(thm)],[f5,f529]) ).

fof(f549,plain,
    ! [X0,X1,X2] : double_divide(multiply(inverse(X0),X1),multiply(double_divide(X2,inverse(X2)),inverse(X1))) = X0,
    inference(paramodulation,[status(thm)],[f529,f47]) ).

fof(f550,plain,
    ! [X0,X1,X2] : multiply(double_divide(multiply(inverse(X0),X1),double_divide(X2,inverse(X2))),X1) = X0,
    inference(forward_demodulation,[status(thm)],[f266,f549]) ).

fof(f551,plain,
    ! [X0,X1] : multiply(double_divide(X0,inverse(X1)),X0) = X1,
    inference(forward_demodulation,[status(thm)],[f540,f550]) ).

fof(f557,plain,
    ! [X0,X1] : multiply(X0,X1) = multiply(X1,X0),
    inference(paramodulation,[status(thm)],[f170,f551]) ).

fof(f558,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[f6,f557]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.11  % Problem  : GRP588-1 : TPTP v8.1.2. Bugfixed v2.7.0.
% 0.02/0.12  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.10/0.32  % Computer : n025.cluster.edu
% 0.10/0.32  % Model    : x86_64 x86_64
% 0.10/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.32  % Memory   : 8042.1875MB
% 0.10/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.32  % CPULimit : 300
% 0.10/0.32  % WCLimit  : 300
% 0.10/0.32  % DateTime : Tue May 30 11:42:12 EDT 2023
% 0.10/0.33  % CPUTime  : 
% 0.10/0.33  % Drodi V3.5.1
% 0.18/0.38  % Refutation found
% 0.18/0.38  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.18/0.38  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.33/0.61  % Elapsed time: 0.064359 seconds
% 0.33/0.61  % CPU time: 0.125776 seconds
% 0.33/0.61  % Memory used: 3.405 MB
%------------------------------------------------------------------------------