TSTP Solution File: GRP421-1 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : GRP421-1 : TPTP v8.1.2. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n017.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 12:11:37 EDT 2023

% Result   : Unsatisfiable 27.43s 3.85s
% Output   : CNFRefutation 27.43s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    2
% Syntax   : Number of formulae    :   14 (  14 unt;   0 def)
%            Number of atoms       :   14 (  13 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    2 (   2   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   4 avg)
%            Maximal term depth    :   11 (   3 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   42 (;  42   !;   0   ?)

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

fof(f2,negated_conjecture,
    multiply(inverse(a1),a1) != multiply(inverse(b1),b1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f3,plain,
    ! [X0,X1,X2] : inverse(multiply(inverse(multiply(X0,inverse(multiply(inverse(X1),multiply(inverse(X2),inverse(multiply(inverse(X2),X2))))))),multiply(X0,X2))) = X1,
    inference(cnf_transformation,[status(esa)],[f1]) ).

fof(f4,plain,
    multiply(inverse(a1),a1) != multiply(inverse(b1),b1),
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f5,plain,
    ! [X0,X1,X2] : inverse(multiply(inverse(multiply(X0,X1)),multiply(X0,X2))) = multiply(inverse(X2),inverse(multiply(inverse(X1),multiply(inverse(inverse(multiply(inverse(X2),X2))),inverse(multiply(inverse(inverse(multiply(inverse(X2),X2))),inverse(multiply(inverse(X2),X2)))))))),
    inference(paramodulation,[status(thm)],[f3,f3]) ).

fof(f6,plain,
    ! [X0,X1,X2,X3,X4] : inverse(multiply(inverse(multiply(X0,inverse(multiply(X1,multiply(inverse(X2),inverse(multiply(inverse(X2),X2))))))),multiply(X0,X2))) = multiply(inverse(multiply(X3,inverse(multiply(inverse(X1),multiply(inverse(X4),inverse(multiply(inverse(X4),X4))))))),multiply(X3,X4)),
    inference(paramodulation,[status(thm)],[f3,f3]) ).

fof(f15,plain,
    ! [X0,X1,X2,X3] : inverse(multiply(inverse(multiply(X0,X1)),multiply(X0,X2))) = inverse(multiply(inverse(multiply(X3,X1)),multiply(X3,X2))),
    inference(paramodulation,[status(thm)],[f5,f5]) ).

fof(f85,plain,
    ! [X0,X1,X2,X3,X4,X5] : inverse(multiply(inverse(multiply(X0,inverse(multiply(inverse(multiply(inverse(multiply(X1,X2)),multiply(X1,X3))),multiply(inverse(X4),inverse(multiply(inverse(X4),X4))))))),multiply(X0,X4))) = multiply(inverse(multiply(X5,X2)),multiply(X5,X3)),
    inference(paramodulation,[status(thm)],[f15,f3]) ).

fof(f86,plain,
    ! [X0,X1,X2,X3] : multiply(inverse(multiply(X0,X1)),multiply(X0,X2)) = multiply(inverse(multiply(X3,X1)),multiply(X3,X2)),
    inference(forward_demodulation,[status(thm)],[f3,f85]) ).

fof(f107,plain,
    ! [X0,X1,X2,X3,X4] : multiply(X0,multiply(inverse(multiply(X1,inverse(multiply(inverse(X0),multiply(inverse(X2),inverse(multiply(inverse(X2),X2))))))),X3)) = multiply(inverse(multiply(X4,multiply(X1,X2))),multiply(X4,X3)),
    inference(paramodulation,[status(thm)],[f3,f86]) ).

fof(f163,plain,
    ! [X0,X1,X2] : X0 = multiply(inverse(multiply(X1,inverse(multiply(inverse(inverse(X0)),multiply(inverse(X2),inverse(multiply(inverse(X2),X2))))))),multiply(X1,X2)),
    inference(paramodulation,[status(thm)],[f3,f6]) ).

fof(f7324,plain,
    ! [X0,X1,X2,X3] : multiply(inverse(X0),X0) = multiply(inverse(multiply(X1,multiply(X2,X3))),multiply(X1,multiply(X2,X3))),
    inference(paramodulation,[status(thm)],[f163,f107]) ).

fof(f7961,plain,
    ! [X0,X1] : multiply(inverse(X0),X0) = multiply(inverse(X1),X1),
    inference(paramodulation,[status(thm)],[f7324,f7324]) ).

fof(f7962,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[f4,f7961]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : GRP421-1 : TPTP v8.1.2. Released v2.6.0.
% 0.12/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.34  % Computer : n017.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Tue May 30 10:59:55 EDT 2023
% 0.19/0.34  % CPUTime  : 
% 0.19/0.34  % Drodi V3.5.1
% 27.43/3.85  % Refutation found
% 27.43/3.85  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 27.43/3.85  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 27.80/3.92  % Elapsed time: 3.559871 seconds
% 27.80/3.92  % CPU time: 27.605368 seconds
% 27.80/3.92  % Memory used: 470.123 MB
%------------------------------------------------------------------------------