TSTP Solution File: GRP452-1 by Drodi---3.6.0

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%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : GRP452-1 : TPTP v8.1.2. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n013.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 20:20:40 EDT 2024

% Result   : Unsatisfiable 0.19s 0.40s
% Output   : CNFRefutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   34 (  34 unt;   0 def)
%            Number of atoms       :   34 (  33 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    4 (   4   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   3 avg)
%            Maximal term depth    :    8 (   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   :   66 (  66   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [A,B,C] : divide(divide(divide(A,A),divide(A,divide(B,divide(divide(divide(A,A),A),C)))),C) = B,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f2,axiom,
    ! [A,B,C] : multiply(A,B) = divide(A,divide(divide(C,C),B)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [A,B] : inverse(A) = divide(divide(B,B),A),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f4,negated_conjecture,
    multiply(multiply(inverse(b2),b2),a2) != a2,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f5,plain,
    ! [X0,X1,X2] : divide(divide(divide(X0,X0),divide(X0,divide(X1,divide(divide(divide(X0,X0),X0),X2)))),X2) = X1,
    inference(cnf_transformation,[status(esa)],[f1]) ).

fof(f6,plain,
    ! [X0,X1,X2] : multiply(X0,X1) = divide(X0,divide(divide(X2,X2),X1)),
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f7,plain,
    ! [X0,X1] : inverse(X0) = divide(divide(X1,X1),X0),
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f8,plain,
    multiply(multiply(inverse(b2),b2),a2) != a2,
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f9,plain,
    ! [X0,X1,X2] : divide(inverse(divide(X0,divide(X1,divide(divide(divide(X0,X0),X0),X2)))),X2) = X1,
    inference(backward_demodulation,[status(thm)],[f7,f5]) ).

fof(f10,plain,
    ! [X0,X1,X2] : divide(inverse(divide(X0,divide(X1,divide(inverse(X0),X2)))),X2) = X1,
    inference(forward_demodulation,[status(thm)],[f7,f9]) ).

fof(f11,plain,
    ! [X0,X1] : multiply(X0,X1) = divide(X0,inverse(X1)),
    inference(backward_demodulation,[status(thm)],[f7,f6]) ).

fof(f12,plain,
    ! [X0,X1] : inverse(X0) = divide(inverse(divide(X1,X1)),X0),
    inference(paramodulation,[status(thm)],[f7,f7]) ).

fof(f13,plain,
    ! [X0,X1] : multiply(divide(X0,X0),X1) = inverse(inverse(X1)),
    inference(paramodulation,[status(thm)],[f7,f11]) ).

fof(f17,plain,
    ! [X0,X1] : multiply(multiply(inverse(X0),X0),X1) = inverse(inverse(X1)),
    inference(paramodulation,[status(thm)],[f11,f13]) ).

fof(f18,plain,
    inverse(inverse(a2)) != a2,
    inference(backward_demodulation,[status(thm)],[f17,f8]) ).

fof(f21,plain,
    ! [X0,X1,X2] : divide(inverse(inverse(divide(X0,divide(inverse(divide(X1,X1)),X2)))),X2) = X0,
    inference(paramodulation,[status(thm)],[f7,f10]) ).

fof(f22,plain,
    ! [X0,X1] : divide(inverse(inverse(divide(X0,inverse(X1)))),X1) = X0,
    inference(forward_demodulation,[status(thm)],[f12,f21]) ).

fof(f23,plain,
    ! [X0,X1] : divide(inverse(inverse(multiply(X0,X1))),X1) = X0,
    inference(forward_demodulation,[status(thm)],[f11,f22]) ).

fof(f24,plain,
    ! [X0,X1,X2,X3] : divide(inverse(divide(X0,X1)),X2) = inverse(divide(X3,divide(X1,divide(inverse(X3),divide(inverse(X0),X2))))),
    inference(paramodulation,[status(thm)],[f10,f10]) ).

fof(f32,plain,
    ! [X0,X1] : multiply(inverse(inverse(multiply(X0,inverse(X1)))),X1) = X0,
    inference(paramodulation,[status(thm)],[f11,f23]) ).

fof(f33,plain,
    ! [X0,X1] : divide(inverse(inverse(inverse(inverse(X0)))),X0) = divide(X1,X1),
    inference(paramodulation,[status(thm)],[f13,f23]) ).

fof(f66,plain,
    ! [X0,X1] : divide(inverse(inverse(X0)),X1) = inverse(inverse(multiply(X0,inverse(X1)))),
    inference(paramodulation,[status(thm)],[f32,f23]) ).

fof(f67,plain,
    ! [X0,X1] : multiply(divide(inverse(inverse(X0)),X1),X1) = X0,
    inference(backward_demodulation,[status(thm)],[f66,f32]) ).

fof(f69,plain,
    ! [X0] : inverse(inverse(inverse(inverse(X0)))) = X0,
    inference(paramodulation,[status(thm)],[f13,f67]) ).

fof(f75,plain,
    ! [X0,X1] : divide(X0,X0) = divide(X1,X1),
    inference(backward_demodulation,[status(thm)],[f69,f33]) ).

fof(f219,plain,
    ! [X0,X1,X2,X3] : divide(inverse(divide(X0,divide(inverse(X1),divide(inverse(X0),X2)))),X2) = inverse(divide(X1,divide(X3,X3))),
    inference(paramodulation,[status(thm)],[f75,f24]) ).

fof(f220,plain,
    ! [X0,X1] : inverse(X0) = inverse(divide(X0,divide(X1,X1))),
    inference(forward_demodulation,[status(thm)],[f10,f219]) ).

fof(f335,plain,
    ! [X0,X1] : inverse(inverse(inverse(multiply(X0,divide(X1,X1))))) = inverse(X0),
    inference(paramodulation,[status(thm)],[f23,f220]) ).

fof(f348,plain,
    ! [X0,X1] : inverse(X0) = inverse(divide(X0,inverse(divide(X1,X1)))),
    inference(paramodulation,[status(thm)],[f7,f220]) ).

fof(f349,plain,
    ! [X0,X1] : inverse(X0) = inverse(multiply(X0,divide(X1,X1))),
    inference(forward_demodulation,[status(thm)],[f11,f348]) ).

fof(f371,plain,
    ! [X0] : inverse(inverse(inverse(X0))) = inverse(X0),
    inference(backward_demodulation,[status(thm)],[f349,f335]) ).

fof(f376,plain,
    ! [X0] : inverse(inverse(X0)) = X0,
    inference(backward_demodulation,[status(thm)],[f371,f69]) ).

fof(f397,plain,
    a2 != a2,
    inference(backward_demodulation,[status(thm)],[f376,f18]) ).

fof(f398,plain,
    $false,
    inference(trivial_equality_resolution,[status(esa)],[f397]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GRP452-1 : TPTP v8.1.2. Released v2.6.0.
% 0.07/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.34  % Computer : n013.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 Apr 30 00:19:19 EDT 2024
% 0.13/0.35  % CPUTime  : 
% 0.13/0.36  % Drodi V3.6.0
% 0.19/0.40  % Refutation found
% 0.19/0.40  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.19/0.40  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.19/0.41  % Elapsed time: 0.056808 seconds
% 0.19/0.41  % CPU time: 0.339189 seconds
% 0.19/0.41  % Total memory used: 16.378 MB
% 0.19/0.41  % Net memory used: 16.196 MB
%------------------------------------------------------------------------------