TSTP Solution File: GRP458-1 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : GRP458-1 : TPTP v8.1.2. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n032.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 12:11:45 EDT 2023

% Result   : Unsatisfiable 0.08s 0.29s
% Output   : CNFRefutation 0.08s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   30 (  30 unt;   0 def)
%            Number of atoms       :   30 (  29 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    3 (   3   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    4 (   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   :   51 (;  51   !;   0   ?)

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

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

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

fof(f4,axiom,
    ! [A] : identity = divide(A,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] : divide(divide(divide(X0,X0),divide(X0,divide(X1,divide(divide(identity,X0),X2)))),X2) = X1,
    inference(cnf_transformation,[status(esa)],[f1]) ).

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

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

fof(f9,plain,
    ! [X0] : identity = divide(X0,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] : multiply(X0,X1) = divide(X0,inverse(X1)),
    inference(backward_demodulation,[status(thm)],[f8,f7]) ).

fof(f12,plain,
    ! [X0,X1,X2] : divide(divide(divide(X0,X0),divide(X0,divide(X1,divide(inverse(X0),X2)))),X2) = X1,
    inference(backward_demodulation,[status(thm)],[f8,f6]) ).

fof(f13,plain,
    ! [X0,X1,X2] : divide(divide(identity,divide(X0,divide(X1,divide(inverse(X0),X2)))),X2) = X1,
    inference(forward_demodulation,[status(thm)],[f9,f12]) ).

fof(f14,plain,
    ! [X0,X1,X2] : divide(inverse(divide(X0,divide(X1,divide(inverse(X0),X2)))),X2) = X1,
    inference(forward_demodulation,[status(thm)],[f8,f13]) ).

fof(f15,plain,
    ! [X0] : multiply(inverse(X0),X0) = identity,
    inference(paramodulation,[status(thm)],[f9,f11]) ).

fof(f17,plain,
    ! [X0,X1,X2] : multiply(inverse(divide(X0,divide(X1,divide(inverse(X0),inverse(X2))))),X2) = X1,
    inference(paramodulation,[status(thm)],[f11,f14]) ).

fof(f18,plain,
    ! [X0,X1,X2] : multiply(inverse(divide(X0,divide(X1,multiply(inverse(X0),X2)))),X2) = X1,
    inference(forward_demodulation,[status(thm)],[f11,f17]) ).

fof(f24,plain,
    ! [X0,X1] : divide(inverse(divide(X0,divide(X1,identity))),inverse(X0)) = X1,
    inference(paramodulation,[status(thm)],[f9,f14]) ).

fof(f25,plain,
    ! [X0,X1] : multiply(inverse(divide(X0,divide(X1,identity))),X0) = X1,
    inference(forward_demodulation,[status(thm)],[f11,f24]) ).

fof(f29,plain,
    ! [X0,X1] : multiply(inverse(divide(X0,identity)),X1) = multiply(inverse(X0),X1),
    inference(paramodulation,[status(thm)],[f9,f18]) ).

fof(f33,plain,
    ! [X0] : multiply(inverse(identity),divide(X0,identity)) = X0,
    inference(paramodulation,[status(thm)],[f9,f25]) ).

fof(f40,plain,
    ! [X0,X1] : multiply(inverse(divide(identity,divide(X0,X1))),divide(X1,identity)) = X0,
    inference(paramodulation,[status(thm)],[f33,f18]) ).

fof(f41,plain,
    ! [X0,X1] : multiply(inverse(inverse(divide(X0,X1))),divide(X1,identity)) = X0,
    inference(forward_demodulation,[status(thm)],[f8,f40]) ).

fof(f52,plain,
    ! [X0,X1,X2] : multiply(inverse(inverse(X0)),divide(X1,identity)) = inverse(divide(X2,divide(X0,divide(inverse(X2),X1)))),
    inference(paramodulation,[status(thm)],[f14,f41]) ).

fof(f59,plain,
    ! [X0,X1] : divide(multiply(inverse(inverse(X0)),divide(X1,identity)),X1) = X0,
    inference(backward_demodulation,[status(thm)],[f52,f14]) ).

fof(f72,plain,
    ! [X0] : identity = multiply(inverse(X0),divide(X0,identity)),
    inference(paramodulation,[status(thm)],[f15,f29]) ).

fof(f107,plain,
    ! [X0] : divide(identity,inverse(X0)) = X0,
    inference(paramodulation,[status(thm)],[f72,f59]) ).

fof(f108,plain,
    ! [X0] : multiply(identity,X0) = X0,
    inference(forward_demodulation,[status(thm)],[f11,f107]) ).

fof(f136,plain,
    a2 != a2,
    inference(backward_demodulation,[status(thm)],[f108,f10]) ).

fof(f137,plain,
    $false,
    inference(trivial_equality_resolution,[status(esa)],[f136]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.08  % Problem  : GRP458-1 : TPTP v8.1.2. Released v2.6.0.
% 0.05/0.09  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.08/0.28  % Computer : n032.cluster.edu
% 0.08/0.28  % Model    : x86_64 x86_64
% 0.08/0.28  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.28  % Memory   : 8042.1875MB
% 0.08/0.28  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.08/0.28  % CPULimit : 300
% 0.08/0.28  % WCLimit  : 300
% 0.08/0.28  % DateTime : Tue May 30 11:33:31 EDT 2023
% 0.08/0.28  % CPUTime  : 
% 0.08/0.28  % Drodi V3.5.1
% 0.08/0.29  % Refutation found
% 0.08/0.29  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.08/0.29  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.08/0.29  % Elapsed time: 0.014417 seconds
% 0.08/0.29  % CPU time: 0.033809 seconds
% 0.08/0.29  % Memory used: 1.116 MB
%------------------------------------------------------------------------------