TSTP Solution File: GRP564-1 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : GRP564-1 : TPTP v8.1.2. Bugfixed v2.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n010.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 12:12:04 EDT 2023

% Result   : Unsatisfiable 0.20s 0.36s
% Output   : CNFRefutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   22 (  22 unt;   0 def)
%            Number of atoms       :   22 (  21 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   :   52 (;  52   !;   0   ?)

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

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

fof(f3,negated_conjecture,
    multiply(a,b) != multiply(b,a),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

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

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

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

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

fof(f10,plain,
    ! [X0,X1,X2,X3] : divide(divide(multiply(divide(multiply(X0,X1),X2),X3),divide(X0,X2)),X1) = X3,
    inference(paramodulation,[status(thm)],[f7,f7]) ).

fof(f13,plain,
    ! [X0,X1,X2] : divide(X0,divide(multiply(X1,X0),multiply(X1,X2))) = X2,
    inference(paramodulation,[status(thm)],[f9,f7]) ).

fof(f14,plain,
    ! [X0,X1,X2,X3] : divide(divide(multiply(multiply(multiply(X0,X1),X2),X3),multiply(X0,X2)),X1) = X3,
    inference(paramodulation,[status(thm)],[f9,f7]) ).

fof(f30,plain,
    ! [X0,X1,X2,X3] : multiply(divide(multiply(multiply(multiply(X0,inverse(X1)),X2),X3),multiply(X0,X2)),X1) = X3,
    inference(paramodulation,[status(thm)],[f5,f14]) ).

fof(f36,plain,
    ! [X0,X1,X2,X3] : divide(divide(X0,divide(multiply(multiply(X1,inverse(X2)),X3),multiply(X1,X3))),X0) = X2,
    inference(paramodulation,[status(thm)],[f30,f10]) ).

fof(f37,plain,
    ! [X0,X1] : divide(divide(X0,inverse(X1)),X0) = X1,
    inference(forward_demodulation,[status(thm)],[f9,f36]) ).

fof(f38,plain,
    ! [X0,X1] : divide(multiply(X0,X1),X0) = X1,
    inference(forward_demodulation,[status(thm)],[f5,f37]) ).

fof(f47,plain,
    ! [X0,X1] : multiply(multiply(inverse(X0),X1),X0) = X1,
    inference(paramodulation,[status(thm)],[f5,f38]) ).

fof(f59,plain,
    ! [X0,X1] : divide(X0,multiply(inverse(X1),X0)) = X1,
    inference(paramodulation,[status(thm)],[f47,f38]) ).

fof(f92,plain,
    ! [X0,X1] : divide(X0,X1) = multiply(inverse(X1),X0),
    inference(paramodulation,[status(thm)],[f59,f13]) ).

fof(f103,plain,
    ! [X0,X1] : multiply(divide(X0,X1),X1) = X0,
    inference(backward_demodulation,[status(thm)],[f92,f47]) ).

fof(f120,plain,
    ! [X0,X1] : multiply(X0,X1) = multiply(X1,X0),
    inference(paramodulation,[status(thm)],[f38,f103]) ).

fof(f121,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[f6,f120]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : GRP564-1 : TPTP v8.1.2. Bugfixed v2.7.0.
% 0.04/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.34  % Computer : n010.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 11:24:37 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.13/0.35  % Drodi V3.5.1
% 0.20/0.36  % Refutation found
% 0.20/0.36  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.20/0.36  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.20/0.37  % Elapsed time: 0.025027 seconds
% 0.20/0.37  % CPU time: 0.100916 seconds
% 0.20/0.37  % Memory used: 2.710 MB
%------------------------------------------------------------------------------