TSTP Solution File: GRP408-1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : GRP408-1 : TPTP v8.1.2. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n016.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 12:06:32 EDT 2024

% Result   : Unsatisfiable 8.32s 1.60s
% Output   : Refutation 8.32s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   31
%            Number of leaves      :    2
% Syntax   : Number of formulae    :   75 (  75 unt;   0 def)
%            Number of atoms       :   75 (  74 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    2 (   2   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   5 avg)
%            Maximal term depth    :   14 (   3 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :  273 ( 273   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f55309,plain,
    $false,
    inference(trivial_inequality_removal,[],[f55140]) ).

fof(f55140,plain,
    multiply(a3,multiply(b3,c3)) != multiply(a3,multiply(b3,c3)),
    inference(superposition,[],[f2,f12665]) ).

fof(f12665,plain,
    ! [X2,X0,X1] : multiply(X0,multiply(X1,X2)) = multiply(multiply(X0,X1),X2),
    inference(forward_demodulation,[],[f12338,f11967]) ).

fof(f11967,plain,
    ! [X2,X3,X1] : multiply(X1,X3) = inverse(multiply(inverse(X3),multiply(inverse(X1),multiply(inverse(X2),X2)))),
    inference(forward_demodulation,[],[f11966,f11187]) ).

fof(f11187,plain,
    ! [X3,X0,X4,X5] : multiply(inverse(X3),multiply(X4,X5)) = multiply(inverse(multiply(inverse(multiply(X4,X0)),X3)),multiply(inverse(X0),X5)),
    inference(forward_demodulation,[],[f11186,f10216]) ).

fof(f10216,plain,
    ! [X2,X3,X1] : multiply(inverse(X2),X1) = multiply(inverse(multiply(X3,X2)),multiply(X3,X1)),
    inference(superposition,[],[f141,f9819]) ).

fof(f9819,plain,
    ! [X2,X0,X1] : inverse(multiply(inverse(multiply(X2,X0)),multiply(X2,multiply(inverse(X1),X1)))) = X0,
    inference(superposition,[],[f9587,f8613]) ).

fof(f8613,plain,
    ! [X2,X3] : multiply(inverse(X2),X2) = multiply(inverse(X3),X3),
    inference(superposition,[],[f8326,f8106]) ).

fof(f8106,plain,
    ! [X2,X0,X1] : multiply(inverse(multiply(inverse(multiply(X0,X1)),multiply(X0,inverse(X2)))),multiply(inverse(X1),multiply(inverse(X1),X1))) = X2,
    inference(superposition,[],[f147,f93]) ).

fof(f93,plain,
    ! [X2,X0,X1] : multiply(inverse(X1),multiply(inverse(X1),X1)) = multiply(inverse(multiply(X0,X1)),inverse(multiply(X2,multiply(inverse(multiply(X0,X2)),multiply(inverse(multiply(X0,X2)),multiply(X0,X2)))))),
    inference(superposition,[],[f1,f53]) ).

fof(f53,plain,
    ! [X3,X4,X5] : inverse(multiply(inverse(multiply(inverse(multiply(X3,X4)),multiply(X3,X5))),multiply(inverse(X4),multiply(inverse(X4),X4)))) = X5,
    inference(superposition,[],[f20,f20]) ).

fof(f20,plain,
    ! [X2,X3,X0,X1] : inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(X0,X1)),X3)),multiply(inverse(multiply(X0,X1)),X2))),multiply(inverse(X3),multiply(inverse(X3),X3)))) = X2,
    inference(superposition,[],[f4,f1]) ).

fof(f4,plain,
    ! [X2,X3,X0,X1] : inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(X0,X1)),X2)),X3)),multiply(inverse(X2),multiply(inverse(X2),X2)))) = multiply(X0,inverse(multiply(inverse(X3),multiply(inverse(X1),multiply(inverse(X1),X1))))),
    inference(superposition,[],[f1,f1]) ).

fof(f1,axiom,
    ! [X2,X0,X1] : multiply(X0,inverse(multiply(inverse(multiply(inverse(multiply(X0,X1)),X2)),multiply(inverse(X1),multiply(inverse(X1),X1))))) = X2,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',single_axiom) ).

fof(f147,plain,
    ! [X2,X3,X0,X1,X4] : multiply(inverse(multiply(X3,multiply(X0,X1))),multiply(X3,inverse(multiply(inverse(X4),multiply(inverse(multiply(X0,X1)),multiply(inverse(multiply(X2,X1)),multiply(X2,X1))))))) = X4,
    inference(superposition,[],[f22,f95]) ).

fof(f95,plain,
    ! [X2,X3,X0,X1] : multiply(inverse(multiply(X0,X1)),multiply(X0,X2)) = multiply(inverse(multiply(X3,X1)),multiply(X3,X2)),
    inference(superposition,[],[f22,f53]) ).

fof(f22,plain,
    ! [X3,X0,X1] : multiply(inverse(multiply(X0,X1)),multiply(X0,inverse(multiply(inverse(X3),multiply(inverse(X1),multiply(inverse(X1),X1)))))) = X3,
    inference(superposition,[],[f1,f4]) ).

fof(f8326,plain,
    ! [X2,X3,X1,X4] : multiply(inverse(X2),X2) = multiply(X3,multiply(inverse(multiply(inverse(multiply(X4,X1)),multiply(X4,X3))),multiply(inverse(X1),multiply(inverse(X1),X1)))),
    inference(superposition,[],[f1662,f8106]) ).

fof(f1662,plain,
    ! [X2,X3,X0,X1,X4,X5] : multiply(X2,multiply(inverse(multiply(inverse(multiply(X0,X1)),multiply(X0,X2))),X5)) = multiply(X3,multiply(inverse(multiply(inverse(multiply(X4,X1)),multiply(X4,X3))),X5)),
    inference(superposition,[],[f115,f53]) ).

fof(f115,plain,
    ! [X2,X3,X0,X1,X4] : multiply(X2,multiply(inverse(multiply(inverse(multiply(X0,X1)),multiply(X0,X2))),X3)) = multiply(inverse(multiply(X4,multiply(inverse(X1),multiply(inverse(X1),X1)))),multiply(X4,X3)),
    inference(superposition,[],[f95,f53]) ).

fof(f9587,plain,
    ! [X0,X1] : inverse(multiply(inverse(multiply(X1,X0)),multiply(X1,multiply(inverse(X0),X0)))) = X0,
    inference(superposition,[],[f9023,f95]) ).

fof(f9023,plain,
    ! [X2,X5] : inverse(multiply(inverse(multiply(inverse(X5),X5)),multiply(inverse(X2),multiply(inverse(X2),X2)))) = X2,
    inference(forward_demodulation,[],[f9022,f1]) ).

fof(f9022,plain,
    ! [X2,X0,X1,X5] : multiply(X0,inverse(multiply(inverse(multiply(inverse(multiply(X0,X1)),X2)),multiply(inverse(X1),multiply(inverse(X1),X1))))) = inverse(multiply(inverse(multiply(inverse(X5),X5)),multiply(inverse(X2),multiply(inverse(X2),X2)))),
    inference(forward_demodulation,[],[f8977,f53]) ).

fof(f8977,plain,
    ! [X2,X3,X0,X1,X4,X5] : multiply(X0,inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(X3,X4)),multiply(X3,inverse(multiply(inverse(multiply(X0,X1)),X2))))),multiply(inverse(X4),multiply(inverse(X4),X4)))),multiply(inverse(X1),multiply(inverse(X1),X1))))) = inverse(multiply(inverse(multiply(inverse(X5),X5)),multiply(inverse(X2),multiply(inverse(X2),X2)))),
    inference(superposition,[],[f4,f8326]) ).

fof(f141,plain,
    ! [X2,X3,X0,X1] : multiply(inverse(X0),X1) = multiply(inverse(multiply(X3,X0)),multiply(X3,inverse(multiply(inverse(multiply(X2,X1)),multiply(X2,multiply(inverse(X0),X0)))))),
    inference(superposition,[],[f22,f95]) ).

fof(f11186,plain,
    ! [X2,X3,X0,X4,X5] : multiply(inverse(multiply(X2,X3)),multiply(X2,multiply(X4,X5))) = multiply(inverse(multiply(inverse(multiply(X4,X0)),X3)),multiply(inverse(X0),X5)),
    inference(forward_demodulation,[],[f10767,f11160]) ).

fof(f11160,plain,
    ! [X0,X1,X4] : multiply(inverse(X0),X4) = multiply(inverse(inverse(multiply(inverse(X1),X1))),multiply(inverse(X0),X4)),
    inference(forward_demodulation,[],[f10749,f10216]) ).

fof(f10749,plain,
    ! [X2,X3,X0,X1,X4] : multiply(inverse(multiply(inverse(multiply(X2,X3)),X0)),multiply(inverse(multiply(X2,X3)),X4)) = multiply(inverse(inverse(multiply(inverse(X1),X1))),multiply(inverse(X0),X4)),
    inference(superposition,[],[f65,f10202]) ).

fof(f10202,plain,
    ! [X2,X1] : multiply(inverse(X1),X1) = inverse(multiply(inverse(X2),X2)),
    inference(superposition,[],[f9819,f8613]) ).

fof(f65,plain,
    ! [X2,X3,X0,X1,X4] : multiply(inverse(multiply(inverse(multiply(X0,X1)),X2)),multiply(inverse(multiply(X0,X1)),X3)) = multiply(inverse(multiply(X4,X2)),multiply(X4,X3)),
    inference(superposition,[],[f22,f20]) ).

fof(f10767,plain,
    ! [X2,X3,X0,X1,X4,X5] : multiply(inverse(multiply(X2,X3)),multiply(X2,multiply(X4,X5))) = multiply(inverse(multiply(inverse(multiply(X4,X0)),X3)),multiply(inverse(inverse(multiply(inverse(X1),X1))),multiply(inverse(X0),X5))),
    inference(superposition,[],[f119,f10202]) ).

fof(f119,plain,
    ! [X2,X3,X0,X1,X4,X5] : multiply(inverse(multiply(X5,X4)),multiply(X5,multiply(X0,X2))) = multiply(inverse(multiply(inverse(multiply(X0,X1)),X4)),multiply(inverse(multiply(X3,X1)),multiply(X3,X2))),
    inference(superposition,[],[f95,f95]) ).

fof(f11966,plain,
    ! [X2,X3,X1] : multiply(X1,X3) = inverse(multiply(inverse(multiply(inverse(multiply(inverse(X1),X2)),X3)),multiply(inverse(X2),multiply(inverse(X2),X2)))),
    inference(forward_demodulation,[],[f11965,f11287]) ).

fof(f11287,plain,
    ! [X3,X0] : multiply(multiply(inverse(X0),X0),X3) = X3,
    inference(forward_demodulation,[],[f11286,f9819]) ).

fof(f11286,plain,
    ! [X2,X3,X0] : inverse(multiply(inverse(multiply(X2,X3)),multiply(X2,multiply(inverse(X0),X0)))) = multiply(multiply(inverse(X0),X0),X3),
    inference(forward_demodulation,[],[f11285,f11264]) ).

fof(f11264,plain,
    ! [X2,X0] : inverse(multiply(inverse(X0),X2)) = multiply(inverse(X2),X0),
    inference(forward_demodulation,[],[f11263,f11160]) ).

fof(f11263,plain,
    ! [X2,X0,X1] : multiply(inverse(X2),X0) = inverse(multiply(inverse(inverse(multiply(inverse(X1),X1))),multiply(inverse(X0),X2))),
    inference(forward_demodulation,[],[f11262,f10216]) ).

fof(f11262,plain,
    ! [X2,X3,X0,X1] : multiply(inverse(X2),X0) = inverse(multiply(inverse(multiply(X3,inverse(multiply(inverse(X1),X1)))),multiply(X3,multiply(inverse(X0),X2)))),
    inference(forward_demodulation,[],[f10815,f11187]) ).

fof(f10815,plain,
    ! [X2,X3,X0,X1] : multiply(inverse(X2),X0) = inverse(multiply(inverse(multiply(inverse(multiply(X3,X2)),multiply(X3,inverse(multiply(inverse(X1),X1))))),multiply(inverse(X2),multiply(inverse(X0),X2)))),
    inference(superposition,[],[f5437,f10202]) ).

fof(f5437,plain,
    ! [X2,X3,X0,X4] : multiply(inverse(X2),X3) = inverse(multiply(inverse(multiply(inverse(multiply(X4,X2)),multiply(X4,multiply(X0,X3)))),multiply(inverse(X2),multiply(X0,X2)))),
    inference(superposition,[],[f5267,f119]) ).

fof(f5267,plain,
    ! [X2,X0,X1,X4] : inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(X0,X1)),X2)),multiply(inverse(multiply(inverse(X2),X1)),X4))),multiply(inverse(X2),multiply(X0,X2)))) = X4,
    inference(forward_demodulation,[],[f5266,f110]) ).

fof(f110,plain,
    ! [X2,X3,X0,X1,X4] : multiply(inverse(X2),multiply(inverse(multiply(X0,X1)),X3)) = multiply(inverse(multiply(X4,multiply(X0,inverse(multiply(inverse(X2),multiply(inverse(X1),multiply(inverse(X1),X1))))))),multiply(X4,X3)),
    inference(superposition,[],[f95,f22]) ).

fof(f5266,plain,
    ! [X2,X3,X0,X1,X4] : inverse(multiply(inverse(multiply(inverse(multiply(X3,multiply(inverse(X2),inverse(multiply(inverse(multiply(inverse(multiply(X0,X1)),X2)),multiply(inverse(X1),multiply(inverse(X1),X1))))))),multiply(X3,X4))),multiply(inverse(X2),multiply(X0,X2)))) = X4,
    inference(forward_demodulation,[],[f5113,f108]) ).

fof(f108,plain,
    ! [X2,X3,X0,X1,X4] : multiply(inverse(X2),multiply(X0,X3)) = multiply(inverse(multiply(X4,inverse(multiply(inverse(multiply(inverse(multiply(X0,X1)),X2)),multiply(inverse(X1),multiply(inverse(X1),X1)))))),multiply(X4,X3)),
    inference(superposition,[],[f95,f1]) ).

fof(f5113,plain,
    ! [X2,X3,X0,X1,X4,X5] : inverse(multiply(inverse(multiply(inverse(multiply(X3,multiply(inverse(X2),inverse(multiply(inverse(multiply(inverse(multiply(X0,X1)),X2)),multiply(inverse(X1),multiply(inverse(X1),X1))))))),multiply(X3,X4))),multiply(inverse(multiply(X5,inverse(multiply(inverse(multiply(inverse(multiply(X0,X1)),X2)),multiply(inverse(X1),multiply(inverse(X1),X1)))))),multiply(X5,X2)))) = X4,
    inference(superposition,[],[f837,f1]) ).

fof(f837,plain,
    ! [X2,X3,X0,X1,X4] : inverse(multiply(inverse(multiply(inverse(multiply(X3,multiply(inverse(multiply(X0,X1)),X1))),multiply(X3,X4))),multiply(inverse(multiply(X2,X1)),multiply(X2,multiply(X0,X1))))) = X4,
    inference(superposition,[],[f53,f119]) ).

fof(f11285,plain,
    ! [X2,X3,X0] : inverse(multiply(inverse(multiply(X2,X3)),multiply(X2,multiply(inverse(X0),X0)))) = multiply(inverse(multiply(inverse(X0),X0)),X3),
    inference(forward_demodulation,[],[f10838,f11061]) ).

fof(f11061,plain,
    ! [X1,X4] : inverse(multiply(inverse(X4),inverse(multiply(inverse(X1),X1)))) = X4,
    inference(forward_demodulation,[],[f11060,f10216]) ).

fof(f11060,plain,
    ! [X0,X1,X4] : inverse(multiply(inverse(multiply(inverse(X0),X4)),multiply(inverse(X0),inverse(multiply(inverse(X1),X1))))) = X4,
    inference(forward_demodulation,[],[f10643,f10216]) ).

fof(f10643,plain,
    ! [X2,X3,X0,X1,X4] : inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(X2,X3)),X0)),multiply(inverse(multiply(X2,X3)),X4))),multiply(inverse(X0),inverse(multiply(inverse(X1),X1))))) = X4,
    inference(superposition,[],[f20,f10202]) ).

fof(f10838,plain,
    ! [X2,X3,X0,X1] : inverse(multiply(inverse(multiply(X2,X3)),multiply(X2,multiply(inverse(X0),X0)))) = inverse(multiply(inverse(multiply(inverse(multiply(inverse(X0),X0)),X3)),inverse(multiply(inverse(X1),X1)))),
    inference(superposition,[],[f1241,f10202]) ).

fof(f1241,plain,
    ! [X2,X3,X0,X1] : inverse(multiply(inverse(multiply(X2,X1)),multiply(X2,multiply(inverse(X0),X0)))) = inverse(multiply(inverse(multiply(X3,X1)),multiply(X3,multiply(inverse(X0),X0)))),
    inference(superposition,[],[f408,f95]) ).

fof(f408,plain,
    ! [X2,X3,X4] : inverse(multiply(inverse(multiply(X3,X4)),multiply(X3,multiply(inverse(X2),X2)))) = inverse(multiply(inverse(multiply(inverse(X2),X4)),multiply(inverse(X2),multiply(inverse(X2),X2)))),
    inference(superposition,[],[f20,f141]) ).

fof(f11965,plain,
    ! [X2,X3,X0,X1] : inverse(multiply(inverse(multiply(inverse(multiply(inverse(X1),X2)),X3)),multiply(inverse(X2),multiply(inverse(X2),X2)))) = multiply(multiply(inverse(X0),X0),multiply(X1,X3)),
    inference(forward_demodulation,[],[f11964,f11132]) ).

fof(f11132,plain,
    ! [X3,X1,X4] : multiply(X1,X3) = multiply(X4,multiply(inverse(multiply(inverse(X1),X4)),X3)),
    inference(forward_demodulation,[],[f11131,f10216]) ).

fof(f11131,plain,
    ! [X3,X1,X4,X5] : multiply(X1,X3) = multiply(X4,multiply(inverse(multiply(inverse(multiply(X5,X1)),multiply(X5,X4))),X3)),
    inference(forward_demodulation,[],[f10717,f11129]) ).

fof(f11129,plain,
    ! [X2,X3,X1] : multiply(X1,X3) = multiply(X1,multiply(inverse(inverse(multiply(inverse(X2),X2))),X3)),
    inference(forward_demodulation,[],[f10715,f10538]) ).

fof(f10538,plain,
    ! [X2,X3,X1,X4] : multiply(X1,X3) = multiply(inverse(multiply(X4,multiply(inverse(X1),multiply(inverse(X2),X2)))),multiply(X4,X3)),
    inference(forward_demodulation,[],[f10537,f10216]) ).

fof(f10537,plain,
    ! [X2,X3,X0,X1,X4] : multiply(X1,X3) = multiply(inverse(multiply(X4,multiply(inverse(multiply(X0,X1)),multiply(X0,multiply(inverse(X2),X2))))),multiply(X4,X3)),
    inference(forward_demodulation,[],[f10323,f10135]) ).

fof(f10135,plain,
    ! [X2,X3,X0,X1,X4] : inverse(multiply(inverse(multiply(X3,X4)),multiply(X3,multiply(X1,multiply(inverse(multiply(X0,X1)),multiply(X0,multiply(inverse(X2),X2))))))) = X4,
    inference(superposition,[],[f9819,f9819]) ).

fof(f10323,plain,
    ! [X2,X3,X0,X1,X4,X5] : multiply(X1,X3) = multiply(inverse(multiply(X4,multiply(inverse(multiply(X0,X1)),multiply(X0,multiply(inverse(X2),X2))))),multiply(X4,inverse(multiply(inverse(multiply(X5,X3)),multiply(X5,multiply(X1,multiply(inverse(multiply(X0,X1)),multiply(X0,multiply(inverse(X2),X2))))))))),
    inference(superposition,[],[f141,f9819]) ).

fof(f10715,plain,
    ! [X2,X3,X1,X4] : multiply(inverse(multiply(X4,multiply(inverse(X1),multiply(inverse(X1),X1)))),multiply(X4,X3)) = multiply(X1,multiply(inverse(inverse(multiply(inverse(X2),X2))),X3)),
    inference(superposition,[],[f115,f10202]) ).

fof(f10717,plain,
    ! [X2,X3,X1,X4,X5] : multiply(X4,multiply(inverse(multiply(inverse(multiply(X5,X1)),multiply(X5,X4))),X3)) = multiply(X1,multiply(inverse(inverse(multiply(inverse(X2),X2))),X3)),
    inference(superposition,[],[f1662,f10202]) ).

fof(f11964,plain,
    ! [X2,X3,X0,X1] : inverse(multiply(inverse(multiply(inverse(multiply(inverse(X1),X2)),X3)),multiply(inverse(X2),multiply(inverse(X2),X2)))) = multiply(multiply(inverse(X0),X0),multiply(X1,multiply(inverse(multiply(inverse(X1),X1)),X3))),
    inference(forward_demodulation,[],[f11963,f10033]) ).

fof(f10033,plain,
    ! [X2,X0,X1] : multiply(inverse(multiply(X0,multiply(inverse(X1),X1))),X2) = multiply(X1,multiply(inverse(multiply(X0,X1)),X2)),
    inference(forward_demodulation,[],[f9954,f9819]) ).

fof(f9954,plain,
    ! [X2,X3,X0,X1] : multiply(inverse(multiply(X0,multiply(inverse(X1),X1))),X2) = multiply(X1,multiply(inverse(multiply(X0,X1)),inverse(multiply(inverse(multiply(X3,X2)),multiply(X3,multiply(inverse(multiply(X0,multiply(inverse(X1),X1))),multiply(X0,multiply(inverse(X1),X1)))))))),
    inference(superposition,[],[f141,f9587]) ).

fof(f11963,plain,
    ! [X2,X3,X0,X1] : inverse(multiply(inverse(multiply(inverse(multiply(inverse(X1),X2)),X3)),multiply(inverse(X2),multiply(inverse(X2),X2)))) = multiply(multiply(inverse(X0),X0),multiply(inverse(multiply(inverse(X1),multiply(inverse(X1),X1))),X3)),
    inference(forward_demodulation,[],[f11730,f11264]) ).

fof(f11730,plain,
    ! [X2,X3,X0,X1] : inverse(multiply(inverse(multiply(inverse(multiply(inverse(X1),X2)),X3)),multiply(inverse(X2),multiply(inverse(X2),X2)))) = multiply(multiply(inverse(X0),X0),inverse(multiply(inverse(X3),multiply(inverse(X1),multiply(inverse(X1),X1))))),
    inference(superposition,[],[f4,f11287]) ).

fof(f12338,plain,
    ! [X2,X0,X1] : multiply(X0,inverse(multiply(inverse(X2),multiply(inverse(X1),multiply(inverse(X1),X1))))) = multiply(multiply(X0,X1),X2),
    inference(superposition,[],[f1,f11405]) ).

fof(f11405,plain,
    ! [X2,X0] : multiply(inverse(X0),multiply(X0,X2)) = X2,
    inference(forward_demodulation,[],[f11404,f11287]) ).

fof(f11404,plain,
    ! [X2,X0,X1] : multiply(inverse(X0),multiply(X0,multiply(multiply(inverse(X1),X1),X2))) = X2,
    inference(forward_demodulation,[],[f11403,f11132]) ).

fof(f11403,plain,
    ! [X2,X0,X1] : multiply(inverse(X0),multiply(X0,multiply(inverse(multiply(inverse(X0),X0)),multiply(multiply(inverse(X1),X1),X2)))) = X2,
    inference(forward_demodulation,[],[f11402,f10033]) ).

fof(f11402,plain,
    ! [X2,X0,X1] : multiply(inverse(X0),multiply(inverse(multiply(inverse(X0),multiply(inverse(X0),X0))),multiply(multiply(inverse(X1),X1),X2))) = X2,
    inference(forward_demodulation,[],[f10907,f11264]) ).

fof(f10907,plain,
    ! [X2,X0,X1] : multiply(inverse(X0),inverse(multiply(inverse(multiply(multiply(inverse(X1),X1),X2)),multiply(inverse(X0),multiply(inverse(X0),X0))))) = X2,
    inference(superposition,[],[f1,f10202]) ).

fof(f2,axiom,
    multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_these_axioms_3) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem    : GRP408-1 : TPTP v8.1.2. Released v2.6.0.
% 0.08/0.15  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.14/0.36  % Computer : n016.cluster.edu
% 0.14/0.36  % Model    : x86_64 x86_64
% 0.14/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36  % Memory   : 8042.1875MB
% 0.14/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36  % CPULimit   : 300
% 0.14/0.36  % WCLimit    : 300
% 0.14/0.36  % DateTime   : Tue Apr 30 05:10:11 EDT 2024
% 0.14/0.36  % CPUTime    : 
% 0.14/0.36  % (13928)Running in auto input_syntax mode. Trying TPTP
% 0.14/0.38  % (13931)WARNING: value z3 for option sas not known
% 0.14/0.38  % (13932)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.14/0.38  % (13929)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.14/0.38  % (13930)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.14/0.38  % (13934)ott-10_8_av=off:bd=preordered:bs=on:fsd=off:fsr=off:fde=unused:irw=on:lcm=predicate:lma=on:nm=4:nwc=1.7:sp=frequency_522 on theBenchmark for (522ds/0Mi)
% 0.14/0.38  % (13933)ott+10_10:1_add=off:afr=on:amm=off:anc=all:bd=off:bs=on:fsr=off:irw=on:lma=on:msp=off:nm=4:nwc=4.0:sac=on:sp=reverse_frequency_531 on theBenchmark for (531ds/0Mi)
% 0.14/0.38  % (13931)dis+2_11_add=large:afr=on:amm=off:bd=off:bce=on:fsd=off:fde=none:gs=on:gsaa=full_model:gsem=off:irw=on:msp=off:nm=4:nwc=1.3:sas=z3:sims=off:sac=on:sp=reverse_arity_569 on theBenchmark for (569ds/0Mi)
% 0.14/0.38  % (13935)ott+1_64_av=off:bd=off:bce=on:fsd=off:fde=unused:gsp=on:irw=on:lcm=predicate:lma=on:nm=2:nwc=1.1:sims=off:urr=on_497 on theBenchmark for (497ds/0Mi)
% 0.14/0.38  TRYING [1]
% 0.14/0.38  TRYING [2]
% 0.14/0.38  TRYING [1]
% 0.14/0.38  TRYING [3]
% 0.14/0.38  TRYING [2]
% 0.14/0.39  TRYING [3]
% 0.21/0.40  TRYING [4]
% 0.21/0.53  TRYING [4]
% 3.00/0.84  TRYING [5]
% 7.87/1.48  TRYING [1]
% 7.87/1.48  TRYING [2]
% 7.87/1.48  TRYING [3]
% 7.87/1.49  TRYING [4]
% 8.32/1.59  % (13935)First to succeed.
% 8.32/1.60  % (13935)Refutation found. Thanks to Tanya!
% 8.32/1.60  % SZS status Unsatisfiable for theBenchmark
% 8.32/1.60  % SZS output start Proof for theBenchmark
% See solution above
% 8.32/1.60  % (13935)------------------------------
% 8.32/1.60  % (13935)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 8.32/1.60  % (13935)Termination reason: Refutation
% 8.32/1.60  
% 8.32/1.60  % (13935)Memory used [KB]: 24782
% 8.32/1.60  % (13935)Time elapsed: 1.218 s
% 8.32/1.60  % (13935)Instructions burned: 3896 (million)
% 8.32/1.60  % (13935)------------------------------
% 8.32/1.60  % (13935)------------------------------
% 8.32/1.60  % (13928)Success in time 1.214 s
%------------------------------------------------------------------------------