%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : GRP461-1 : TPTP v8.1.2. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n006.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 12:11:46 EDT 2023

% Result   : Unsatisfiable 0.13s 0.35s
% Output   : CNFRefutation 0.13s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   21 (  21 unt;   0 def)
%            Number of atoms       :   21 (  20 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    3 (   3   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    4 (   2 avg)
%            Maximal term depth    :    6 (   2 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   :   28 (;  28   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [A,B,C] : divide(A,divide(divide(divide(identity,B),C),divide(divide(divide(A,A),A),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(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(X0,divide(divide(divide(identity,X1),X2),divide(divide(divide(X0,X0),X0),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(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(f17,plain,
    ! [X0,X1,X2] : divide(X0,divide(divide(divide(identity,X1),X2),divide(divide(identity,X0),X2))) = X1,
    inference(forward_demodulation,[status(thm)],[f9,f6]) ).

fof(f18,plain,
    ! [X0] : divide(X0,identity) = X0,
    inference(paramodulation,[status(thm)],[f9,f17]) ).

fof(f23,plain,
    ! [X0,X1] : divide(X0,divide(identity,divide(divide(identity,X0),divide(identity,X1)))) = X1,
    inference(paramodulation,[status(thm)],[f9,f17]) ).

fof(f24,plain,
    ! [X0,X1] : multiply(X0,divide(divide(identity,X0),divide(identity,X1))) = X1,
    inference(forward_demodulation,[status(thm)],[f7,f23]) ).

fof(f25,plain,
    ! [X0,X1] : multiply(X0,multiply(divide(identity,X0),X1)) = X1,
    inference(forward_demodulation,[status(thm)],[f7,f24]) ).

fof(f59,plain,
    ! [X0] : multiply(X0,identity) = divide(X0,identity),
    inference(paramodulation,[status(thm)],[f18,f7]) ).

fof(f60,plain,
    ! [X0] : multiply(X0,identity) = X0,
    inference(forward_demodulation,[status(thm)],[f18,f59]) ).

fof(f67,plain,
    ! [X0] : multiply(X0,divide(identity,X0)) = identity,
    inference(paramodulation,[status(thm)],[f60,f25]) ).

fof(f80,plain,
    ! [X0] : multiply(X0,identity) = divide(identity,divide(identity,X0)),
    inference(paramodulation,[status(thm)],[f67,f25]) ).

fof(f81,plain,
    ! [X0] : X0 = divide(identity,divide(identity,X0)),
    inference(forward_demodulation,[status(thm)],[f60,f80]) ).

fof(f82,plain,
    ! [X0] : X0 = multiply(identity,X0),
    inference(forward_demodulation,[status(thm)],[f7,f81]) ).

fof(f83,plain,
    a2 != a2,
    inference(backward_demodulation,[status(thm)],[f82,f10]) ).

fof(f84,plain,
    $false,
    inference(trivial_equality_resolution,[status(esa)],[f83]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : GRP461-1 : TPTP v8.1.2. Released v2.6.0.
% 0.11/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.33  % Computer : n006.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 300
% 0.13/0.33  % DateTime : Tue May 30 11:24:32 EDT 2023
% 0.13/0.33  % CPUTime  : 
% 0.13/0.34  % Drodi V3.5.1
% 0.13/0.35  % Refutation found
% 0.13/0.35  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.13/0.35  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.13/0.35  % Elapsed time: 0.014724 seconds
% 0.13/0.35  % CPU time: 0.027996 seconds
% 0.13/0.35  % Memory used: 758.705 KB
%------------------------------------------------------------------------------