TSTP Solution File: GRP120-1 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : GRP120-1 : TPTP v8.1.2. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n023.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 12:10:16 EDT 2023

% Result   : Unsatisfiable 7.85s 1.38s
% Output   : CNFRefutation 7.85s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   55
%            Number of leaves      :    3
% Syntax   : Number of formulae    :  128 ( 128 unt;   0 def)
%            Number of atoms       :  128 ( 127 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    :   10 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-2 aty)
%            Number of variables   :  210 (; 210   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [Y,X,Z] : multiply(Y,multiply(multiply(Y,multiply(multiply(Y,Y),multiply(X,Z))),multiply(Z,multiply(Z,Z)))) = X,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f2,axiom,
    multiply(identity,identity) = identity,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

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

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

fof(f5,plain,
    multiply(identity,identity) = identity,
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f6,plain,
    multiply(identity,a) != a,
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f7,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(multiply(X0,X1),multiply(multiply(X2,multiply(X2,X2)),multiply(multiply(X2,multiply(X2,X2)),multiply(X2,multiply(X2,X2)))))) = multiply(multiply(X0,X0),multiply(multiply(multiply(X0,X0),multiply(X0,X0)),multiply(X1,X2))),
    inference(paramodulation,[status(thm)],[f4,f4]) ).

fof(f9,plain,
    ! [X0] : multiply(X0,multiply(multiply(X0,multiply(multiply(X0,X0),identity)),multiply(identity,multiply(identity,identity)))) = identity,
    inference(paramodulation,[status(thm)],[f5,f4]) ).

fof(f10,plain,
    ! [X0] : multiply(X0,multiply(multiply(X0,multiply(multiply(X0,X0),identity)),multiply(identity,identity))) = identity,
    inference(forward_demodulation,[status(thm)],[f5,f9]) ).

fof(f11,plain,
    ! [X0] : multiply(X0,multiply(multiply(X0,multiply(multiply(X0,X0),identity)),identity)) = identity,
    inference(forward_demodulation,[status(thm)],[f5,f10]) ).

fof(f13,plain,
    ! [X0,X1] : multiply(X0,multiply(multiply(X0,multiply(multiply(X0,X0),multiply(X1,identity))),multiply(identity,identity))) = X1,
    inference(paramodulation,[status(thm)],[f5,f4]) ).

fof(f14,plain,
    ! [X0,X1] : multiply(X0,multiply(multiply(X0,multiply(multiply(X0,X0),multiply(X1,identity))),identity)) = X1,
    inference(forward_demodulation,[status(thm)],[f5,f13]) ).

fof(f34,plain,
    ! [X0] : multiply(identity,multiply(identity,multiply(multiply(X0,multiply(X0,X0)),multiply(multiply(X0,multiply(X0,X0)),multiply(X0,multiply(X0,X0)))))) = multiply(multiply(identity,identity),multiply(multiply(multiply(identity,identity),multiply(identity,identity)),multiply(identity,X0))),
    inference(paramodulation,[status(thm)],[f5,f7]) ).

fof(f35,plain,
    ! [X0] : multiply(identity,multiply(identity,multiply(multiply(X0,multiply(X0,X0)),multiply(multiply(X0,multiply(X0,X0)),multiply(X0,multiply(X0,X0)))))) = multiply(identity,multiply(multiply(multiply(identity,identity),multiply(identity,identity)),multiply(identity,X0))),
    inference(forward_demodulation,[status(thm)],[f5,f34]) ).

fof(f36,plain,
    ! [X0] : multiply(identity,multiply(identity,multiply(multiply(X0,multiply(X0,X0)),multiply(multiply(X0,multiply(X0,X0)),multiply(X0,multiply(X0,X0)))))) = multiply(identity,multiply(multiply(identity,multiply(identity,identity)),multiply(identity,X0))),
    inference(forward_demodulation,[status(thm)],[f5,f35]) ).

fof(f37,plain,
    ! [X0] : multiply(identity,multiply(identity,multiply(multiply(X0,multiply(X0,X0)),multiply(multiply(X0,multiply(X0,X0)),multiply(X0,multiply(X0,X0)))))) = multiply(identity,multiply(multiply(identity,identity),multiply(identity,X0))),
    inference(forward_demodulation,[status(thm)],[f5,f36]) ).

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

fof(f107,plain,
    ! [X0,X1] : multiply(multiply(X0,X0),multiply(multiply(X0,multiply(multiply(X0,X1),multiply(multiply(identity,multiply(identity,identity)),multiply(multiply(identity,multiply(identity,identity)),multiply(identity,multiply(identity,identity)))))),identity)) = X1,
    inference(paramodulation,[status(thm)],[f7,f14]) ).

fof(f108,plain,
    ! [X0,X1] : multiply(multiply(X0,X0),multiply(multiply(X0,multiply(multiply(X0,X1),multiply(multiply(identity,identity),multiply(multiply(identity,multiply(identity,identity)),multiply(identity,multiply(identity,identity)))))),identity)) = X1,
    inference(forward_demodulation,[status(thm)],[f5,f107]) ).

fof(f109,plain,
    ! [X0,X1] : multiply(multiply(X0,X0),multiply(multiply(X0,multiply(multiply(X0,X1),multiply(identity,multiply(multiply(identity,multiply(identity,identity)),multiply(identity,multiply(identity,identity)))))),identity)) = X1,
    inference(forward_demodulation,[status(thm)],[f5,f108]) ).

fof(f110,plain,
    ! [X0,X1] : multiply(multiply(X0,X0),multiply(multiply(X0,multiply(multiply(X0,X1),multiply(identity,multiply(multiply(identity,identity),multiply(identity,multiply(identity,identity)))))),identity)) = X1,
    inference(forward_demodulation,[status(thm)],[f5,f109]) ).

fof(f111,plain,
    ! [X0,X1] : multiply(multiply(X0,X0),multiply(multiply(X0,multiply(multiply(X0,X1),multiply(identity,multiply(identity,multiply(identity,multiply(identity,identity)))))),identity)) = X1,
    inference(forward_demodulation,[status(thm)],[f5,f110]) ).

fof(f112,plain,
    ! [X0,X1] : multiply(multiply(X0,X0),multiply(multiply(X0,multiply(multiply(X0,X1),multiply(identity,multiply(identity,multiply(identity,identity))))),identity)) = X1,
    inference(forward_demodulation,[status(thm)],[f5,f111]) ).

fof(f113,plain,
    ! [X0,X1] : multiply(multiply(X0,X0),multiply(multiply(X0,multiply(multiply(X0,X1),multiply(identity,multiply(identity,identity)))),identity)) = X1,
    inference(forward_demodulation,[status(thm)],[f5,f112]) ).

fof(f114,plain,
    ! [X0,X1] : multiply(multiply(X0,X0),multiply(multiply(X0,multiply(multiply(X0,X1),multiply(identity,identity))),identity)) = X1,
    inference(forward_demodulation,[status(thm)],[f5,f113]) ).

fof(f115,plain,
    ! [X0,X1] : multiply(multiply(X0,X0),multiply(multiply(X0,multiply(multiply(X0,X1),identity)),identity)) = X1,
    inference(forward_demodulation,[status(thm)],[f5,f114]) ).

fof(f132,plain,
    ! [X0] : multiply(identity,multiply(multiply(identity,multiply(multiply(identity,X0),identity)),identity)) = X0,
    inference(paramodulation,[status(thm)],[f5,f115]) ).

fof(f144,plain,
    ! [X0] : multiply(multiply(X0,X0),multiply(multiply(X0,multiply(identity,identity)),identity)) = multiply(multiply(X0,multiply(multiply(X0,X0),identity)),identity),
    inference(paramodulation,[status(thm)],[f11,f115]) ).

fof(f145,plain,
    ! [X0] : multiply(multiply(X0,X0),multiply(multiply(X0,identity),identity)) = multiply(multiply(X0,multiply(multiply(X0,X0),identity)),identity),
    inference(forward_demodulation,[status(thm)],[f5,f144]) ).

fof(f161,plain,
    ! [X0] : multiply(identity,multiply(X0,identity)) = multiply(multiply(identity,X0),identity),
    inference(paramodulation,[status(thm)],[f132,f132]) ).

fof(f183,plain,
    ! [X0,X1] : multiply(identity,multiply(multiply(identity,multiply(X0,identity)),identity)) = multiply(multiply(identity,multiply(multiply(identity,identity),multiply(X0,X1))),multiply(X1,multiply(X1,X1))),
    inference(paramodulation,[status(thm)],[f4,f132]) ).

fof(f184,plain,
    ! [X0,X1] : multiply(identity,multiply(multiply(identity,multiply(X0,identity)),identity)) = multiply(multiply(identity,multiply(identity,multiply(X0,X1))),multiply(X1,multiply(X1,X1))),
    inference(forward_demodulation,[status(thm)],[f5,f183]) ).

fof(f202,plain,
    ! [X0] : multiply(identity,multiply(identity,multiply(multiply(multiply(identity,X0),identity),identity))) = X0,
    inference(backward_demodulation,[status(thm)],[f161,f132]) ).

fof(f203,plain,
    ! [X0] : multiply(identity,multiply(identity,multiply(multiply(identity,multiply(X0,identity)),identity))) = X0,
    inference(forward_demodulation,[status(thm)],[f161,f202]) ).

fof(f204,plain,
    ! [X0] : multiply(identity,multiply(identity,multiply(identity,multiply(multiply(X0,identity),identity)))) = X0,
    inference(forward_demodulation,[status(thm)],[f161,f203]) ).

fof(f255,plain,
    ! [X0,X1] : multiply(X0,multiply(multiply(X0,multiply(multiply(X0,X0),multiply(identity,multiply(X1,identity)))),identity)) = multiply(identity,X1),
    inference(paramodulation,[status(thm)],[f161,f14]) ).

fof(f749,plain,
    ! [X0] : multiply(multiply(X0,X0),multiply(multiply(X0,X0),multiply(multiply(X0,identity),identity))) = X0,
    inference(paramodulation,[status(thm)],[f145,f115]) ).

fof(f975,plain,
    ! [X0,X1] : multiply(X0,multiply(multiply(X0,multiply(multiply(X0,X0),X1)),identity)) = multiply(identity,multiply(identity,multiply(multiply(identity,identity),multiply(X1,identity)))),
    inference(paramodulation,[status(thm)],[f14,f255]) ).

fof(f976,plain,
    ! [X0,X1] : multiply(X0,multiply(multiply(X0,multiply(multiply(X0,X0),X1)),identity)) = multiply(identity,multiply(identity,multiply(identity,multiply(X1,identity)))),
    inference(forward_demodulation,[status(thm)],[f5,f975]) ).

fof(f2263,plain,
    ! [X0,X1] : multiply(multiply(X0,X0),multiply(multiply(X0,multiply(multiply(identity,multiply(identity,multiply(identity,multiply(X1,identity)))),identity)),identity)) = multiply(multiply(X0,multiply(multiply(X0,X0),X1)),identity),
    inference(paramodulation,[status(thm)],[f976,f115]) ).

fof(f2264,plain,
    ! [X0,X1] : multiply(multiply(X0,X0),multiply(multiply(X0,multiply(identity,multiply(multiply(identity,multiply(identity,multiply(X1,identity))),identity))),identity)) = multiply(multiply(X0,multiply(multiply(X0,X0),X1)),identity),
    inference(forward_demodulation,[status(thm)],[f161,f2263]) ).

fof(f2265,plain,
    ! [X0,X1] : multiply(multiply(X0,X0),multiply(multiply(X0,multiply(identity,multiply(identity,multiply(multiply(identity,multiply(X1,identity)),identity)))),identity)) = multiply(multiply(X0,multiply(multiply(X0,X0),X1)),identity),
    inference(forward_demodulation,[status(thm)],[f161,f2264]) ).

fof(f2266,plain,
    ! [X0,X1] : multiply(multiply(X0,X0),multiply(multiply(X0,multiply(identity,multiply(identity,multiply(identity,multiply(multiply(X1,identity),identity))))),identity)) = multiply(multiply(X0,multiply(multiply(X0,X0),X1)),identity),
    inference(forward_demodulation,[status(thm)],[f161,f2265]) ).

fof(f2267,plain,
    ! [X0,X1] : multiply(multiply(X0,X0),multiply(multiply(X0,X1),identity)) = multiply(multiply(X0,multiply(multiply(X0,X0),X1)),identity),
    inference(forward_demodulation,[status(thm)],[f204,f2266]) ).

fof(f2274,plain,
    ! [X0,X1] : multiply(X0,multiply(multiply(X0,X0),multiply(multiply(X0,X1),identity))) = multiply(identity,multiply(identity,multiply(identity,multiply(X1,identity)))),
    inference(backward_demodulation,[status(thm)],[f2267,f976]) ).

fof(f4897,plain,
    ! [X0,X1] : multiply(identity,multiply(identity,multiply(multiply(X0,identity),identity))) = multiply(multiply(identity,multiply(identity,multiply(X0,X1))),multiply(X1,multiply(X1,X1))),
    inference(forward_demodulation,[status(thm)],[f161,f184]) ).

fof(f4902,plain,
    ! [X0] : multiply(identity,multiply(identity,multiply(multiply(identity,identity),identity))) = multiply(X0,multiply(multiply(multiply(X0,identity),identity),multiply(multiply(multiply(X0,identity),identity),multiply(multiply(X0,identity),identity)))),
    inference(paramodulation,[status(thm)],[f204,f4897]) ).

fof(f4903,plain,
    ! [X0] : multiply(identity,multiply(identity,multiply(identity,multiply(identity,identity)))) = multiply(X0,multiply(multiply(multiply(X0,identity),identity),multiply(multiply(multiply(X0,identity),identity),multiply(multiply(X0,identity),identity)))),
    inference(forward_demodulation,[status(thm)],[f161,f4902]) ).

fof(f4904,plain,
    ! [X0] : multiply(identity,multiply(identity,multiply(identity,identity))) = multiply(X0,multiply(multiply(multiply(X0,identity),identity),multiply(multiply(multiply(X0,identity),identity),multiply(multiply(X0,identity),identity)))),
    inference(forward_demodulation,[status(thm)],[f5,f4903]) ).

fof(f4905,plain,
    ! [X0] : multiply(identity,multiply(identity,identity)) = multiply(X0,multiply(multiply(multiply(X0,identity),identity),multiply(multiply(multiply(X0,identity),identity),multiply(multiply(X0,identity),identity)))),
    inference(forward_demodulation,[status(thm)],[f5,f4904]) ).

fof(f4906,plain,
    ! [X0] : multiply(identity,identity) = multiply(X0,multiply(multiply(multiply(X0,identity),identity),multiply(multiply(multiply(X0,identity),identity),multiply(multiply(X0,identity),identity)))),
    inference(forward_demodulation,[status(thm)],[f5,f4905]) ).

fof(f4907,plain,
    ! [X0] : identity = multiply(X0,multiply(multiply(multiply(X0,identity),identity),multiply(multiply(multiply(X0,identity),identity),multiply(multiply(X0,identity),identity)))),
    inference(forward_demodulation,[status(thm)],[f5,f4906]) ).

fof(f5804,plain,
    ! [X0] : multiply(multiply(identity,identity),multiply(multiply(identity,multiply(multiply(identity,multiply(identity,multiply(identity,X0))),identity)),identity)) = multiply(identity,multiply(multiply(X0,multiply(X0,X0)),multiply(multiply(X0,multiply(X0,X0)),multiply(X0,multiply(X0,X0))))),
    inference(paramodulation,[status(thm)],[f38,f115]) ).

fof(f5805,plain,
    ! [X0] : multiply(identity,multiply(identity,X0)) = multiply(identity,multiply(multiply(X0,multiply(X0,X0)),multiply(multiply(X0,multiply(X0,X0)),multiply(X0,multiply(X0,X0))))),
    inference(forward_demodulation,[status(thm)],[f115,f5804]) ).

fof(f6051,plain,
    ! [X0] : multiply(multiply(identity,identity),multiply(multiply(identity,multiply(multiply(identity,multiply(identity,X0)),identity)),identity)) = multiply(multiply(X0,multiply(X0,X0)),multiply(multiply(X0,multiply(X0,X0)),multiply(X0,multiply(X0,X0)))),
    inference(paramodulation,[status(thm)],[f5805,f115]) ).

fof(f6052,plain,
    ! [X0] : multiply(identity,X0) = multiply(multiply(X0,multiply(X0,X0)),multiply(multiply(X0,multiply(X0,X0)),multiply(X0,multiply(X0,X0)))),
    inference(forward_demodulation,[status(thm)],[f115,f6051]) ).

fof(f6068,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(multiply(X0,X1),multiply(identity,X2))) = multiply(multiply(X0,X0),multiply(multiply(multiply(X0,X0),multiply(X0,X0)),multiply(X1,X2))),
    inference(backward_demodulation,[status(thm)],[f6052,f7]) ).

fof(f6114,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(multiply(X0,multiply(multiply(X0,X0),multiply(X1,multiply(X2,multiply(X2,X2))))),multiply(identity,X2))) = X1,
    inference(paramodulation,[status(thm)],[f6052,f4]) ).

fof(f6541,plain,
    ! [X0,X1] : multiply(identity,multiply(multiply(identity,multiply(identity,multiply(X0,multiply(X1,multiply(X1,X1))))),multiply(identity,X1))) = X0,
    inference(paramodulation,[status(thm)],[f5,f6114]) ).

fof(f6710,plain,
    ! [X0,X1] : multiply(identity,multiply(multiply(identity,X0),multiply(identity,X1))) = multiply(identity,multiply(multiply(identity,identity),multiply(X0,X1))),
    inference(paramodulation,[status(thm)],[f4,f6541]) ).

fof(f6711,plain,
    ! [X0,X1] : multiply(identity,multiply(multiply(identity,X0),multiply(identity,X1))) = multiply(identity,multiply(identity,multiply(X0,X1))),
    inference(forward_demodulation,[status(thm)],[f5,f6710]) ).

fof(f6904,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(multiply(X0,identity),multiply(identity,multiply(multiply(identity,multiply(identity,multiply(X1,multiply(X2,multiply(X2,X2))))),multiply(identity,X2))))) = multiply(multiply(X0,X0),multiply(multiply(multiply(X0,X0),multiply(X0,X0)),X1)),
    inference(paramodulation,[status(thm)],[f6541,f6068]) ).

fof(f6905,plain,
    ! [X0,X1] : multiply(X0,multiply(multiply(X0,identity),X1)) = multiply(multiply(X0,X0),multiply(multiply(multiply(X0,X0),multiply(X0,X0)),X1)),
    inference(forward_demodulation,[status(thm)],[f6541,f6904]) ).

fof(f7186,plain,
    ! [X0,X1] : multiply(multiply(identity,identity),multiply(multiply(identity,multiply(multiply(identity,multiply(identity,multiply(X0,X1))),identity)),identity)) = multiply(multiply(identity,X0),multiply(identity,X1)),
    inference(paramodulation,[status(thm)],[f6711,f115]) ).

fof(f7187,plain,
    ! [X0,X1] : multiply(identity,multiply(X0,X1)) = multiply(multiply(identity,X0),multiply(identity,X1)),
    inference(forward_demodulation,[status(thm)],[f115,f7186]) ).

fof(f7760,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(multiply(X0,X1),multiply(identity,X2))) = multiply(X0,multiply(multiply(X0,identity),multiply(X1,X2))),
    inference(backward_demodulation,[status(thm)],[f6905,f6068]) ).

fof(f7835,plain,
    ! [X0,X1,X2] : multiply(multiply(X0,X0),multiply(multiply(X0,multiply(multiply(X0,identity),multiply(X1,X2))),multiply(X2,multiply(X2,X2)))) = X1,
    inference(paramodulation,[status(thm)],[f6905,f4]) ).

fof(f8038,plain,
    ! [X0,X1] : multiply(X0,multiply(multiply(X0,multiply(multiply(X0,identity),multiply(X0,multiply(X1,multiply(X1,X1))))),multiply(identity,X1))) = identity,
    inference(paramodulation,[status(thm)],[f7760,f6114]) ).

fof(f8039,plain,
    ! [X0,X1] : multiply(X0,multiply(multiply(X0,identity),multiply(multiply(multiply(X0,identity),multiply(X0,multiply(X1,multiply(X1,X1)))),X1))) = identity,
    inference(forward_demodulation,[status(thm)],[f7760,f8038]) ).

fof(f8052,plain,
    ! [X0,X1,X2] : multiply(multiply(X0,X0),multiply(multiply(X0,multiply(multiply(X0,multiply(multiply(X0,identity),multiply(X1,X2))),identity)),identity)) = multiply(multiply(X0,X1),multiply(identity,X2)),
    inference(paramodulation,[status(thm)],[f7760,f115]) ).

fof(f8053,plain,
    ! [X0,X1,X2] : multiply(multiply(X0,identity),multiply(X1,X2)) = multiply(multiply(X0,X1),multiply(identity,X2)),
    inference(forward_demodulation,[status(thm)],[f115,f8052]) ).

fof(f8201,plain,
    ! [X0,X1,X2] : multiply(multiply(multiply(identity,X0),identity),multiply(multiply(identity,X1),X2)) = multiply(multiply(identity,multiply(X0,X1)),multiply(identity,X2)),
    inference(paramodulation,[status(thm)],[f7187,f8053]) ).

fof(f8202,plain,
    ! [X0,X1,X2] : multiply(multiply(identity,multiply(X0,identity)),multiply(multiply(identity,X1),X2)) = multiply(multiply(identity,multiply(X0,X1)),multiply(identity,X2)),
    inference(forward_demodulation,[status(thm)],[f161,f8201]) ).

fof(f8203,plain,
    ! [X0,X1,X2] : multiply(multiply(identity,multiply(X0,identity)),multiply(multiply(identity,X1),X2)) = multiply(identity,multiply(multiply(X0,X1),X2)),
    inference(forward_demodulation,[status(thm)],[f7187,f8202]) ).

fof(f8232,plain,
    ! [X0,X1] : multiply(multiply(X0,identity),multiply(X1,identity)) = multiply(multiply(X0,X1),identity),
    inference(paramodulation,[status(thm)],[f5,f8053]) ).

fof(f8651,plain,
    ! [X0] : identity = multiply(X0,multiply(multiply(multiply(X0,identity),identity),multiply(multiply(multiply(X0,identity),multiply(X0,identity)),identity))),
    inference(backward_demodulation,[status(thm)],[f8232,f4907]) ).

fof(f8652,plain,
    ! [X0] : identity = multiply(X0,multiply(multiply(multiply(X0,identity),multiply(multiply(X0,identity),multiply(X0,identity))),identity)),
    inference(forward_demodulation,[status(thm)],[f8232,f8651]) ).

fof(f8653,plain,
    ! [X0] : identity = multiply(X0,multiply(multiply(multiply(X0,identity),multiply(multiply(X0,X0),identity)),identity)),
    inference(forward_demodulation,[status(thm)],[f8232,f8652]) ).

fof(f8654,plain,
    ! [X0] : identity = multiply(X0,multiply(multiply(multiply(X0,multiply(X0,X0)),identity),identity)),
    inference(forward_demodulation,[status(thm)],[f8232,f8653]) ).

fof(f8693,plain,
    ! [X0,X1] : multiply(multiply(X0,identity),multiply(identity,multiply(X1,identity))) = multiply(multiply(X0,multiply(identity,X1)),identity),
    inference(paramodulation,[status(thm)],[f161,f8232]) ).

fof(f8861,plain,
    ! [X0,X1] : multiply(multiply(multiply(X0,identity),multiply(X0,identity)),multiply(multiply(multiply(X0,multiply(multiply(X0,identity),X1)),identity),identity)) = X1,
    inference(paramodulation,[status(thm)],[f8232,f115]) ).

fof(f8862,plain,
    ! [X0,X1] : multiply(multiply(multiply(X0,X0),identity),multiply(multiply(multiply(X0,multiply(multiply(X0,identity),X1)),identity),identity)) = X1,
    inference(forward_demodulation,[status(thm)],[f8232,f8861]) ).

fof(f8863,plain,
    ! [X0,X1] : multiply(multiply(multiply(X0,X0),multiply(multiply(X0,multiply(multiply(X0,identity),X1)),identity)),identity) = X1,
    inference(forward_demodulation,[status(thm)],[f8232,f8862]) ).

fof(f9219,plain,
    ! [X0] : multiply(X0,multiply(multiply(X0,X0),multiply(identity,identity))) = multiply(identity,multiply(identity,multiply(identity,multiply(multiply(multiply(multiply(X0,multiply(X0,X0)),identity),identity),identity)))),
    inference(paramodulation,[status(thm)],[f8654,f2274]) ).

fof(f9220,plain,
    ! [X0] : multiply(X0,multiply(multiply(X0,X0),identity)) = multiply(identity,multiply(identity,multiply(identity,multiply(multiply(multiply(multiply(X0,multiply(X0,X0)),identity),identity),identity)))),
    inference(forward_demodulation,[status(thm)],[f5,f9219]) ).

fof(f9221,plain,
    ! [X0] : multiply(X0,multiply(multiply(X0,X0),identity)) = multiply(multiply(X0,multiply(X0,X0)),identity),
    inference(forward_demodulation,[status(thm)],[f204,f9220]) ).

fof(f10587,plain,
    ! [X0,X1] : multiply(multiply(X0,multiply(multiply(X0,X0),identity)),multiply(identity,multiply(X1,identity))) = multiply(multiply(multiply(X0,multiply(X0,X0)),multiply(identity,X1)),identity),
    inference(paramodulation,[status(thm)],[f9221,f8693]) ).

fof(f10588,plain,
    ! [X0,X1] : multiply(multiply(X0,identity),multiply(multiply(multiply(X0,X0),identity),multiply(X1,identity))) = multiply(multiply(multiply(X0,multiply(X0,X0)),multiply(identity,X1)),identity),
    inference(forward_demodulation,[status(thm)],[f8053,f10587]) ).

fof(f10589,plain,
    ! [X0,X1] : multiply(multiply(X0,identity),multiply(multiply(multiply(X0,X0),X1),identity)) = multiply(multiply(multiply(X0,multiply(X0,X0)),multiply(identity,X1)),identity),
    inference(forward_demodulation,[status(thm)],[f8232,f10588]) ).

fof(f10590,plain,
    ! [X0,X1] : multiply(multiply(X0,multiply(multiply(X0,X0),X1)),identity) = multiply(multiply(multiply(X0,multiply(X0,X0)),multiply(identity,X1)),identity),
    inference(forward_demodulation,[status(thm)],[f8232,f10589]) ).

fof(f10591,plain,
    ! [X0,X1] : multiply(multiply(X0,X0),multiply(multiply(X0,X1),identity)) = multiply(multiply(multiply(X0,multiply(X0,X0)),multiply(identity,X1)),identity),
    inference(forward_demodulation,[status(thm)],[f2267,f10590]) ).

fof(f10592,plain,
    ! [X0,X1] : multiply(multiply(X0,X0),multiply(multiply(X0,X1),identity)) = multiply(multiply(multiply(X0,identity),multiply(multiply(X0,X0),X1)),identity),
    inference(forward_demodulation,[status(thm)],[f8053,f10591]) ).

fof(f11438,plain,
    ! [X0,X1,X2] : multiply(multiply(X0,X0),multiply(multiply(X0,multiply(multiply(X0,X1),multiply(identity,X2))),multiply(X2,multiply(X2,X2)))) = X1,
    inference(paramodulation,[status(thm)],[f7760,f7835]) ).

fof(f16765,plain,
    ! [X0,X1] : multiply(multiply(identity,X0),multiply(multiply(identity,multiply(X0,identity)),multiply(multiply(multiply(multiply(identity,X0),identity),multiply(multiply(identity,X0),multiply(X1,multiply(X1,X1)))),X1))) = identity,
    inference(paramodulation,[status(thm)],[f161,f8039]) ).

fof(f16766,plain,
    ! [X0,X1] : multiply(multiply(identity,X0),multiply(multiply(identity,multiply(X0,identity)),multiply(multiply(multiply(identity,multiply(X0,identity)),multiply(multiply(identity,X0),multiply(X1,multiply(X1,X1)))),X1))) = identity,
    inference(forward_demodulation,[status(thm)],[f161,f16765]) ).

fof(f16767,plain,
    ! [X0,X1] : multiply(multiply(identity,X0),multiply(multiply(identity,multiply(X0,identity)),multiply(multiply(identity,multiply(multiply(X0,X0),multiply(X1,multiply(X1,X1)))),X1))) = identity,
    inference(forward_demodulation,[status(thm)],[f8203,f16766]) ).

fof(f16768,plain,
    ! [X0,X1] : multiply(multiply(identity,X0),multiply(identity,multiply(multiply(X0,multiply(multiply(X0,X0),multiply(X1,multiply(X1,X1)))),X1))) = identity,
    inference(forward_demodulation,[status(thm)],[f8203,f16767]) ).

fof(f16769,plain,
    ! [X0,X1] : multiply(identity,multiply(X0,multiply(multiply(X0,multiply(multiply(X0,X0),multiply(X1,multiply(X1,X1)))),X1))) = identity,
    inference(forward_demodulation,[status(thm)],[f7187,f16768]) ).

fof(f17642,plain,
    ! [X0,X1,X2] : multiply(multiply(identity,identity),multiply(multiply(identity,multiply(identity,multiply(identity,X0))),multiply(X0,multiply(X0,X0)))) = multiply(X1,multiply(multiply(X1,multiply(multiply(X1,X1),multiply(X2,multiply(X2,X2)))),X2)),
    inference(paramodulation,[status(thm)],[f16769,f11438]) ).

fof(f17643,plain,
    ! [X0,X1,X2] : multiply(identity,multiply(multiply(identity,multiply(identity,multiply(identity,X0))),multiply(X0,multiply(X0,X0)))) = multiply(X1,multiply(multiply(X1,multiply(multiply(X1,X1),multiply(X2,multiply(X2,X2)))),X2)),
    inference(forward_demodulation,[status(thm)],[f5,f17642]) ).

fof(f17644,plain,
    ! [X0,X1] : multiply(identity,multiply(identity,multiply(identity,multiply(multiply(identity,identity),identity)))) = multiply(X0,multiply(multiply(X0,multiply(multiply(X0,X0),multiply(X1,multiply(X1,X1)))),X1)),
    inference(forward_demodulation,[status(thm)],[f4897,f17643]) ).

fof(f17645,plain,
    ! [X0,X1] : identity = multiply(X0,multiply(multiply(X0,multiply(multiply(X0,X0),multiply(X1,multiply(X1,X1)))),X1)),
    inference(forward_demodulation,[status(thm)],[f204,f17644]) ).

fof(f17776,plain,
    ! [X0,X1] : identity = multiply(multiply(X0,X0),multiply(multiply(X0,multiply(multiply(X0,identity),multiply(X1,multiply(X1,X1)))),X1)),
    inference(paramodulation,[status(thm)],[f6905,f17645]) ).

fof(f18215,plain,
    ! [X0,X1] : identity = multiply(multiply(X0,X0),multiply(multiply(X0,multiply(multiply(X0,X1),multiply(identity,multiply(X1,X1)))),X1)),
    inference(paramodulation,[status(thm)],[f7760,f17776]) ).

fof(f23049,plain,
    ! [X0,X1] : multiply(multiply(X0,X0),multiply(multiply(X0,multiply(multiply(X0,multiply(multiply(X0,X1),identity)),identity)),identity)) = multiply(multiply(multiply(X0,identity),X1),identity),
    inference(paramodulation,[status(thm)],[f115,f10592]) ).

fof(f23050,plain,
    ! [X0,X1] : multiply(multiply(X0,X1),identity) = multiply(multiply(multiply(X0,identity),X1),identity),
    inference(forward_demodulation,[status(thm)],[f115,f23049]) ).

fof(f23378,plain,
    ! [X0] : multiply(multiply(identity,multiply(multiply(identity,multiply(multiply(identity,X0),identity)),identity)),identity) = multiply(X0,identity),
    inference(paramodulation,[status(thm)],[f115,f23050]) ).

fof(f23379,plain,
    ! [X0] : multiply(identity,multiply(multiply(multiply(identity,multiply(multiply(identity,X0),identity)),identity),identity)) = multiply(X0,identity),
    inference(forward_demodulation,[status(thm)],[f161,f23378]) ).

fof(f23380,plain,
    ! [X0] : multiply(identity,multiply(multiply(identity,multiply(multiply(multiply(identity,X0),identity),identity)),identity)) = multiply(X0,identity),
    inference(forward_demodulation,[status(thm)],[f161,f23379]) ).

fof(f23381,plain,
    ! [X0] : multiply(identity,multiply(identity,multiply(multiply(multiply(multiply(identity,X0),identity),identity),identity))) = multiply(X0,identity),
    inference(forward_demodulation,[status(thm)],[f161,f23380]) ).

fof(f23382,plain,
    ! [X0] : multiply(identity,multiply(identity,multiply(multiply(multiply(identity,X0),identity),identity))) = multiply(X0,identity),
    inference(forward_demodulation,[status(thm)],[f23050,f23381]) ).

fof(f23383,plain,
    ! [X0] : multiply(identity,multiply(identity,multiply(multiply(identity,multiply(X0,identity)),identity))) = multiply(X0,identity),
    inference(forward_demodulation,[status(thm)],[f161,f23382]) ).

fof(f23384,plain,
    ! [X0] : multiply(identity,multiply(identity,multiply(identity,multiply(multiply(X0,identity),identity)))) = multiply(X0,identity),
    inference(forward_demodulation,[status(thm)],[f161,f23383]) ).

fof(f23385,plain,
    ! [X0] : X0 = multiply(X0,identity),
    inference(forward_demodulation,[status(thm)],[f204,f23384]) ).

fof(f23777,plain,
    ! [X0,X1] : multiply(multiply(X0,X0),multiply(multiply(X0,multiply(multiply(X0,identity),X1)),identity)) = X1,
    inference(backward_demodulation,[status(thm)],[f23385,f8863]) ).

fof(f23778,plain,
    ! [X0,X1] : multiply(multiply(X0,X0),multiply(X0,multiply(multiply(X0,identity),X1))) = X1,
    inference(forward_demodulation,[status(thm)],[f23385,f23777]) ).

fof(f23779,plain,
    ! [X0,X1] : multiply(multiply(X0,X0),multiply(X0,multiply(X0,X1))) = X1,
    inference(forward_demodulation,[status(thm)],[f23385,f23778]) ).

fof(f23805,plain,
    ! [X0] : multiply(multiply(X0,X0),multiply(multiply(X0,X0),multiply(X0,identity))) = X0,
    inference(backward_demodulation,[status(thm)],[f23385,f749]) ).

fof(f23806,plain,
    ! [X0] : multiply(multiply(X0,X0),multiply(multiply(X0,X0),X0)) = X0,
    inference(forward_demodulation,[status(thm)],[f23385,f23805]) ).

fof(f23837,plain,
    ! [X0] : identity = multiply(multiply(X0,X0),multiply(X0,multiply(multiply(X0,identity),multiply(identity,multiply(identity,identity))))),
    inference(paramodulation,[status(thm)],[f23385,f18215]) ).

fof(f23838,plain,
    ! [X0] : identity = multiply(multiply(X0,X0),multiply(X0,multiply(X0,multiply(identity,multiply(identity,identity))))),
    inference(forward_demodulation,[status(thm)],[f23385,f23837]) ).

fof(f23839,plain,
    ! [X0] : identity = multiply(multiply(X0,X0),multiply(X0,multiply(X0,multiply(identity,identity)))),
    inference(forward_demodulation,[status(thm)],[f23385,f23838]) ).

fof(f23840,plain,
    ! [X0] : identity = multiply(multiply(X0,X0),multiply(X0,multiply(X0,identity))),
    inference(forward_demodulation,[status(thm)],[f23385,f23839]) ).

fof(f23841,plain,
    ! [X0] : identity = multiply(multiply(X0,X0),multiply(X0,X0)),
    inference(forward_demodulation,[status(thm)],[f23385,f23840]) ).

fof(f24816,plain,
    ! [X0] : multiply(multiply(multiply(X0,X0),multiply(X0,X0)),X0) = X0,
    inference(paramodulation,[status(thm)],[f23806,f23779]) ).

fof(f24817,plain,
    ! [X0] : multiply(identity,X0) = X0,
    inference(forward_demodulation,[status(thm)],[f23841,f24816]) ).

fof(f24836,plain,
    a != a,
    inference(backward_demodulation,[status(thm)],[f24817,f6]) ).

fof(f24837,plain,
    $false,
    inference(trivial_equality_resolution,[status(esa)],[f24836]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GRP120-1 : TPTP v8.1.2. Released v1.2.0.
% 0.03/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.34  % Computer : n023.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 11:43:53 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.13/0.35  % Drodi V3.5.1
% 7.85/1.38  % Refutation found
% 7.85/1.38  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 7.85/1.38  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 8.37/1.44  % Elapsed time: 1.085953 seconds
% 8.37/1.44  % CPU time: 8.370927 seconds
% 8.37/1.44  % Memory used: 169.200 MB
%------------------------------------------------------------------------------