TSTP Solution File: GRP592-1 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : GRP592-1 : TPTP v8.1.2. Bugfixed v2.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n008.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 20:21:01 EDT 2024

% Result   : Unsatisfiable 0.15s 0.34s
% Output   : CNFRefutation 0.15s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   26
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   65 (  65 unt;   0 def)
%            Number of atoms       :   65 (  64 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    2 (   2   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   4 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   :  163 ( 163   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [A,B,C] : double_divide(inverse(double_divide(double_divide(A,B),inverse(double_divide(A,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(inverse(double_divide(double_divide(X0,X1),inverse(double_divide(X0,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(multiply(inverse(double_divide(X0,inverse(X1))),double_divide(X0,X2)),X2) = X1,
    inference(backward_demodulation,[status(thm)],[f5,f4]) ).

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

fof(f9,plain,
    ! [X0,X1,X2,X3] : double_divide(multiply(multiply(multiply(X0,X1),X2),double_divide(X2,X3)),X3) = double_divide(X1,X0),
    inference(paramodulation,[status(thm)],[f5,f8]) ).

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

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

fof(f13,plain,
    ! [X0,X1,X2,X3] : multiply(X0,multiply(multiply(multiply(X1,X2),X3),double_divide(X3,X0))) = inverse(double_divide(X2,X1)),
    inference(paramodulation,[status(thm)],[f5,f11]) ).

fof(f14,plain,
    ! [X0,X1,X2,X3] : multiply(X0,multiply(multiply(multiply(X1,X2),X3),double_divide(X3,X0))) = multiply(X1,X2),
    inference(forward_demodulation,[status(thm)],[f5,f13]) ).

fof(f16,plain,
    ! [X0,X1,X2,X3] : double_divide(multiply(inverse(X0),double_divide(multiply(multiply(inverse(X0),X1),double_divide(X1,inverse(X2))),X3)),X3) = X2,
    inference(paramodulation,[status(thm)],[f11,f8]) ).

fof(f27,plain,
    ! [X0,X1,X2,X3,X4] : double_divide(multiply(inverse(X0),double_divide(multiply(multiply(inverse(X0),X1),double_divide(X1,multiply(X2,X3))),X4)),X4) = double_divide(X3,X2),
    inference(paramodulation,[status(thm)],[f11,f9]) ).

fof(f39,plain,
    ! [X0,X1] : double_divide(multiply(inverse(X0),X0),inverse(X1)) = X1,
    inference(paramodulation,[status(thm)],[f11,f10]) ).

fof(f56,plain,
    ! [X0,X1,X2,X3] : multiply(inverse(X0),multiply(multiply(multiply(X1,X2),multiply(inverse(X3),X3)),X0)) = multiply(X1,X2),
    inference(paramodulation,[status(thm)],[f39,f14]) ).

fof(f57,plain,
    ! [X0,X1,X2] : multiply(inverse(X0),multiply(multiply(inverse(X1),multiply(inverse(X2),X2)),X0)) = inverse(X1),
    inference(paramodulation,[status(thm)],[f39,f11]) ).

fof(f58,plain,
    ! [X0,X1,X2] : double_divide(multiply(multiply(inverse(X0),multiply(inverse(X1),X1)),X2),inverse(X2)) = X0,
    inference(paramodulation,[status(thm)],[f39,f8]) ).

fof(f59,plain,
    ! [X0,X1] : multiply(inverse(X0),multiply(inverse(X1),X1)) = inverse(X0),
    inference(paramodulation,[status(thm)],[f39,f5]) ).

fof(f60,plain,
    ! [X0,X1] : double_divide(multiply(inverse(X0),X1),inverse(X1)) = X0,
    inference(backward_demodulation,[status(thm)],[f59,f58]) ).

fof(f61,plain,
    ! [X0,X1] : multiply(inverse(X0),multiply(inverse(X1),X0)) = inverse(X1),
    inference(backward_demodulation,[status(thm)],[f59,f57]) ).

fof(f74,plain,
    ! [X0,X1,X2] : multiply(multiply(X0,X1),multiply(inverse(X2),X2)) = inverse(double_divide(X1,X0)),
    inference(paramodulation,[status(thm)],[f5,f59]) ).

fof(f75,plain,
    ! [X0,X1,X2] : multiply(multiply(X0,X1),multiply(inverse(X2),X2)) = multiply(X0,X1),
    inference(forward_demodulation,[status(thm)],[f5,f74]) ).

fof(f78,plain,
    ! [X0,X1] : double_divide(inverse(X0),inverse(multiply(inverse(X1),X1))) = X0,
    inference(paramodulation,[status(thm)],[f59,f60]) ).

fof(f79,plain,
    ! [X0,X1] : double_divide(inverse(multiply(inverse(X0),X0)),inverse(X1)) = X1,
    inference(paramodulation,[status(thm)],[f59,f39]) ).

fof(f87,plain,
    ! [X0,X1,X2] : multiply(inverse(X0),multiply(multiply(X1,X2),X0)) = multiply(X1,X2),
    inference(backward_demodulation,[status(thm)],[f75,f56]) ).

fof(f88,plain,
    ! [X0,X1,X2] : double_divide(multiply(X0,X1),inverse(multiply(inverse(X2),X2))) = double_divide(X1,X0),
    inference(paramodulation,[status(thm)],[f5,f78]) ).

fof(f97,plain,
    ! [X0,X1,X2] : double_divide(multiply(multiply(inverse(X0),inverse(X1)),X1),inverse(multiply(inverse(X2),X2))) = X0,
    inference(paramodulation,[status(thm)],[f78,f8]) ).

fof(f98,plain,
    ! [X0,X1] : double_divide(X0,multiply(inverse(X1),inverse(X0))) = X1,
    inference(forward_demodulation,[status(thm)],[f88,f97]) ).

fof(f107,plain,
    ! [X0,X1] : multiply(multiply(inverse(X0),inverse(X1)),X1) = inverse(X0),
    inference(paramodulation,[status(thm)],[f98,f5]) ).

fof(f113,plain,
    ! [X0,X1,X2] : double_divide(multiply(inverse(X0),double_divide(X1,X2)),X2) = double_divide(inverse(X1),inverse(X0)),
    inference(paramodulation,[status(thm)],[f107,f9]) ).

fof(f121,plain,
    ! [X0,X1,X2,X3] : double_divide(inverse(multiply(multiply(inverse(X0),X1),double_divide(X1,multiply(X2,X3)))),inverse(X0)) = double_divide(X3,X2),
    inference(backward_demodulation,[status(thm)],[f113,f27]) ).

fof(f122,plain,
    ! [X0,X1,X2] : double_divide(inverse(multiply(multiply(inverse(X0),X1),double_divide(X1,inverse(X2)))),inverse(X0)) = X2,
    inference(backward_demodulation,[status(thm)],[f113,f16]) ).

fof(f126,plain,
    ! [X0,X1] : multiply(inverse(X0),X0) = multiply(inverse(X1),X1),
    inference(paramodulation,[status(thm)],[f78,f79]) ).

fof(f150,plain,
    ! [X0,X1] : multiply(multiply(inverse(X0),X0),X1) = inverse(inverse(X1)),
    inference(paramodulation,[status(thm)],[f126,f107]) ).

fof(f153,plain,
    ! [X0,X1,X2,X3] : double_divide(multiply(multiply(inverse(X0),X0),X1),X2) = multiply(multiply(inverse(X1),X3),double_divide(X3,X2)),
    inference(paramodulation,[status(thm)],[f126,f10]) ).

fof(f154,plain,
    ! [X0,X1,X2] : double_divide(inverse(inverse(X0)),X1) = multiply(multiply(inverse(X0),X2),double_divide(X2,X1)),
    inference(forward_demodulation,[status(thm)],[f150,f153]) ).

fof(f163,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(multiply(inverse(X1),X1),double_divide(X2,X0))) = inverse(X2),
    inference(paramodulation,[status(thm)],[f126,f11]) ).

fof(f164,plain,
    ! [X0,X1] : multiply(X0,inverse(inverse(double_divide(X1,X0)))) = inverse(X1),
    inference(forward_demodulation,[status(thm)],[f150,f163]) ).

fof(f165,plain,
    ! [X0,X1] : multiply(X0,inverse(multiply(X0,X1))) = inverse(X1),
    inference(forward_demodulation,[status(thm)],[f5,f164]) ).

fof(f166,plain,
    ! [X0,X1,X2] : double_divide(multiply(multiply(inverse(X0),X0),double_divide(X1,X2)),X2) = X1,
    inference(paramodulation,[status(thm)],[f126,f8]) ).

fof(f167,plain,
    ! [X0,X1] : double_divide(inverse(inverse(double_divide(X0,X1))),X1) = X0,
    inference(forward_demodulation,[status(thm)],[f150,f166]) ).

fof(f168,plain,
    ! [X0,X1] : double_divide(inverse(multiply(X0,X1)),X0) = X1,
    inference(forward_demodulation,[status(thm)],[f5,f167]) ).

fof(f201,plain,
    ! [X0,X1,X2] : double_divide(inverse(double_divide(inverse(inverse(X0)),multiply(X1,X2))),inverse(X0)) = double_divide(X2,X1),
    inference(backward_demodulation,[status(thm)],[f154,f121]) ).

fof(f202,plain,
    ! [X0,X1,X2] : double_divide(multiply(multiply(X0,X1),inverse(inverse(X2))),inverse(X2)) = double_divide(X1,X0),
    inference(forward_demodulation,[status(thm)],[f5,f201]) ).

fof(f205,plain,
    ! [X0,X1] : double_divide(inverse(double_divide(inverse(inverse(X0)),inverse(X1))),inverse(X0)) = X1,
    inference(backward_demodulation,[status(thm)],[f154,f122]) ).

fof(f206,plain,
    ! [X0,X1] : double_divide(multiply(inverse(X0),inverse(inverse(X1))),inverse(X1)) = X0,
    inference(forward_demodulation,[status(thm)],[f5,f205]) ).

fof(f258,plain,
    ! [X0,X1] : multiply(X0,inverse(inverse(X1))) = inverse(inverse(multiply(X0,X1))),
    inference(paramodulation,[status(thm)],[f165,f165]) ).

fof(f262,plain,
    ! [X0,X1] : double_divide(inverse(inverse(X0)),X1) = inverse(multiply(X1,X0)),
    inference(paramodulation,[status(thm)],[f165,f168]) ).

fof(f266,plain,
    ! [X0,X1] : double_divide(inverse(inverse(multiply(inverse(X0),X1))),inverse(X1)) = X0,
    inference(backward_demodulation,[status(thm)],[f258,f206]) ).

fof(f267,plain,
    ! [X0,X1] : inverse(multiply(inverse(X0),multiply(inverse(X1),X0))) = X1,
    inference(forward_demodulation,[status(thm)],[f262,f266]) ).

fof(f268,plain,
    ! [X0] : inverse(inverse(X0)) = X0,
    inference(forward_demodulation,[status(thm)],[f61,f267]) ).

fof(f274,plain,
    ! [X0,X1,X2] : double_divide(inverse(inverse(multiply(multiply(X0,X1),X2))),inverse(X2)) = double_divide(X1,X0),
    inference(backward_demodulation,[status(thm)],[f258,f202]) ).

fof(f275,plain,
    ! [X0,X1,X2] : inverse(multiply(inverse(X0),multiply(multiply(X1,X2),X0))) = double_divide(X2,X1),
    inference(forward_demodulation,[status(thm)],[f262,f274]) ).

fof(f276,plain,
    ! [X0,X1] : inverse(multiply(X0,X1)) = double_divide(X1,X0),
    inference(forward_demodulation,[status(thm)],[f87,f275]) ).

fof(f323,plain,
    ! [X0,X1] : multiply(X0,double_divide(X1,X0)) = inverse(X1),
    inference(backward_demodulation,[status(thm)],[f276,f165]) ).

fof(f355,plain,
    ! [X0,X1] : multiply(multiply(X0,inverse(X1)),X1) = inverse(inverse(X0)),
    inference(paramodulation,[status(thm)],[f268,f107]) ).

fof(f356,plain,
    ! [X0,X1] : multiply(multiply(X0,inverse(X1)),X1) = X0,
    inference(forward_demodulation,[status(thm)],[f268,f355]) ).

fof(f392,plain,
    ! [X0,X1] : multiply(multiply(X0,X1),inverse(X1)) = X0,
    inference(paramodulation,[status(thm)],[f268,f356]) ).

fof(f424,plain,
    ! [X0,X1] : multiply(inverse(X0),inverse(double_divide(X0,X1))) = X1,
    inference(paramodulation,[status(thm)],[f323,f392]) ).

fof(f425,plain,
    ! [X0,X1] : multiply(inverse(X0),multiply(X1,X0)) = X1,
    inference(forward_demodulation,[status(thm)],[f5,f424]) ).

fof(f434,plain,
    ! [X0,X1] : multiply(inverse(inverse(X0)),X1) = multiply(X1,X0),
    inference(paramodulation,[status(thm)],[f392,f425]) ).

fof(f435,plain,
    ! [X0,X1] : multiply(X0,X1) = multiply(X1,X0),
    inference(forward_demodulation,[status(thm)],[f268,f434]) ).

fof(f436,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[f6,f435]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.10  % Problem  : GRP592-1 : TPTP v8.1.2. Bugfixed v2.7.0.
% 0.08/0.11  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.09/0.31  % Computer : n008.cluster.edu
% 0.09/0.31  % Model    : x86_64 x86_64
% 0.09/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.31  % Memory   : 8042.1875MB
% 0.09/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.31  % CPULimit : 300
% 0.09/0.31  % WCLimit  : 300
% 0.09/0.31  % DateTime : Tue Apr 30 00:35:12 EDT 2024
% 0.09/0.31  % CPUTime  : 
% 0.15/0.31  % Drodi V3.6.0
% 0.15/0.34  % Refutation found
% 0.15/0.34  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.15/0.34  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.15/0.35  % Elapsed time: 0.037477 seconds
% 0.15/0.35  % CPU time: 0.232102 seconds
% 0.15/0.35  % Total memory used: 17.186 MB
% 0.15/0.35  % Net memory used: 16.926 MB
%------------------------------------------------------------------------------