TSTP Solution File: GRP105-1 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : GRP105-1 : TPTP v8.1.2. Bugfixed v2.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n004.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 20:19:14 EDT 2024

% Result   : Unsatisfiable 2.56s 0.66s
% Output   : CNFRefutation 2.56s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   35
%            Number of leaves      :    7
% Syntax   : Number of formulae    :  106 (  84 unt;   0 def)
%            Number of atoms       :  134 ( 102 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   51 (  23   ~;  24   |;   0   &)
%                                         (   4 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :   10 (   2 avg)
%            Number of predicates  :    6 (   4 usr;   5 prp; 0-2 aty)
%            Number of functors    :   12 (  12 usr;   9 con; 0-2 aty)
%            Number of variables   :  216 ( 216   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [X,Y,Z] : double_divide(inverse(double_divide(double_divide(X,Y),inverse(double_divide(X,inverse(Z))))),Y) = Z,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f2,axiom,
    ! [X,Y] : multiply(X,Y) = inverse(double_divide(Y,X)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f3,negated_conjecture,
    ( multiply(inverse(a1),a1) != multiply(inverse(b1),b1)
    | multiply(multiply(inverse(b2),b2),a2) != a2
    | multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3))
    | multiply(a4,b4) != multiply(b4,a4) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

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

fof(f5,plain,
    ! [X0,X1] : multiply(X0,X1) = inverse(double_divide(X1,X0)),
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f6,plain,
    ( multiply(inverse(a1),a1) != multiply(inverse(b1),b1)
    | multiply(multiply(inverse(b2),b2),a2) != a2
    | multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3))
    | multiply(a4,b4) != multiply(b4,a4) ),
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f7,plain,
    ( spl0_0
  <=> multiply(inverse(a1),a1) = multiply(inverse(b1),b1) ),
    introduced(split_symbol_definition) ).

fof(f9,plain,
    ( multiply(inverse(a1),a1) != multiply(inverse(b1),b1)
    | spl0_0 ),
    inference(component_clause,[status(thm)],[f7]) ).

fof(f10,plain,
    ( spl0_1
  <=> multiply(multiply(inverse(b2),b2),a2) = a2 ),
    introduced(split_symbol_definition) ).

fof(f12,plain,
    ( multiply(multiply(inverse(b2),b2),a2) != a2
    | spl0_1 ),
    inference(component_clause,[status(thm)],[f10]) ).

fof(f13,plain,
    ( spl0_2
  <=> multiply(multiply(a3,b3),c3) = multiply(a3,multiply(b3,c3)) ),
    introduced(split_symbol_definition) ).

fof(f15,plain,
    ( multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3))
    | spl0_2 ),
    inference(component_clause,[status(thm)],[f13]) ).

fof(f16,plain,
    ( spl0_3
  <=> multiply(a4,b4) = multiply(b4,a4) ),
    introduced(split_symbol_definition) ).

fof(f18,plain,
    ( multiply(a4,b4) != multiply(b4,a4)
    | spl0_3 ),
    inference(component_clause,[status(thm)],[f16]) ).

fof(f19,plain,
    ( ~ spl0_0
    | ~ spl0_1
    | ~ spl0_2
    | ~ spl0_3 ),
    inference(split_clause,[status(thm)],[f6,f7,f10,f13,f16]) ).

fof(f20,plain,
    ! [X0,X1,X2] : double_divide(multiply(inverse(double_divide(X0,inverse(X1))),double_divide(X0,X2)),X2) = X1,
    inference(backward_demodulation,[status(thm)],[f5,f4]) ).

fof(f21,plain,
    ! [X0,X1,X2] : double_divide(multiply(multiply(inverse(X0),X1),double_divide(X1,X2)),X2) = X0,
    inference(forward_demodulation,[status(thm)],[f5,f20]) ).

fof(f23,plain,
    ! [X0,X1,X2,X3] : double_divide(multiply(multiply(inverse(X0),multiply(multiply(inverse(X1),X2),double_divide(X2,X3))),X1),X3) = X0,
    inference(paramodulation,[status(thm)],[f21,f21]) ).

fof(f24,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(multiply(inverse(X1),X2),double_divide(X2,X0))) = inverse(X1),
    inference(paramodulation,[status(thm)],[f21,f5]) ).

fof(f34,plain,
    ! [X0,X1,X2,X3] : multiply(X0,multiply(multiply(inverse(X1),multiply(multiply(inverse(X2),X3),double_divide(X3,X0))),X2)) = inverse(X1),
    inference(paramodulation,[status(thm)],[f21,f24]) ).

fof(f39,plain,
    ! [X0,X1] : double_divide(multiply(inverse(X0),X0),inverse(X1)) = X1,
    inference(paramodulation,[status(thm)],[f24,f23]) ).

fof(f41,plain,
    ! [X0,X1,X2,X3,X4] : double_divide(multiply(multiply(inverse(X0),multiply(inverse(X1),double_divide(multiply(multiply(inverse(X1),X2),double_divide(X2,inverse(X3))),X4))),X3),X4) = X0,
    inference(paramodulation,[status(thm)],[f24,f23]) ).

fof(f55,plain,
    ! [X0,X1,X2] : double_divide(multiply(multiply(inverse(X0),multiply(inverse(X1),X1)),X2),inverse(X2)) = X0,
    inference(paramodulation,[status(thm)],[f39,f21]) ).

fof(f56,plain,
    ! [X0,X1] : multiply(inverse(X0),multiply(inverse(X1),X1)) = inverse(X0),
    inference(paramodulation,[status(thm)],[f39,f5]) ).

fof(f57,plain,
    ! [X0,X1] : double_divide(multiply(inverse(X0),X1),inverse(X1)) = X0,
    inference(backward_demodulation,[status(thm)],[f56,f55]) ).

fof(f61,plain,
    ! [X0,X1,X2] : double_divide(multiply(multiply(X0,X1),X2),inverse(X2)) = double_divide(X1,X0),
    inference(paramodulation,[status(thm)],[f5,f57]) ).

fof(f99,plain,
    ! [X0,X1] : double_divide(inverse(X0),inverse(multiply(inverse(X1),X1))) = X0,
    inference(paramodulation,[status(thm)],[f56,f57]) ).

fof(f100,plain,
    ! [X0,X1] : double_divide(inverse(multiply(inverse(X0),X0)),inverse(X1)) = X1,
    inference(paramodulation,[status(thm)],[f56,f39]) ).

fof(f110,plain,
    ! [X0,X1,X2] : double_divide(multiply(X0,X1),inverse(multiply(inverse(X2),X2))) = double_divide(X1,X0),
    inference(paramodulation,[status(thm)],[f5,f99]) ).

fof(f118,plain,
    ! [X0,X1,X2] : double_divide(multiply(multiply(inverse(X0),inverse(X1)),X1),inverse(multiply(inverse(X2),X2))) = X0,
    inference(paramodulation,[status(thm)],[f99,f21]) ).

fof(f119,plain,
    ! [X0,X1] : double_divide(X0,multiply(inverse(X1),inverse(X0))) = X1,
    inference(forward_demodulation,[status(thm)],[f110,f118]) ).

fof(f132,plain,
    ! [X0,X1] : multiply(inverse(X0),X0) = multiply(inverse(X1),X1),
    inference(paramodulation,[status(thm)],[f99,f100]) ).

fof(f154,plain,
    ! [X0,X1] : double_divide(X0,multiply(inverse(X1),X1)) = inverse(X0),
    inference(paramodulation,[status(thm)],[f132,f119]) ).

fof(f156,plain,
    ! [X0,X1,X2,X3] : double_divide(multiply(multiply(inverse(X0),X0),X1),X2) = multiply(multiply(inverse(X1),X3),double_divide(X3,X2)),
    inference(paramodulation,[status(thm)],[f132,f23]) ).

fof(f164,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(multiply(inverse(X1),X1),double_divide(X2,X0))) = inverse(X2),
    inference(paramodulation,[status(thm)],[f132,f24]) ).

fof(f165,plain,
    ! [X0,X1,X2] : double_divide(multiply(multiply(inverse(X0),X0),double_divide(X1,X2)),X2) = X1,
    inference(paramodulation,[status(thm)],[f132,f21]) ).

fof(f166,plain,
    ! [X0,X1,X2] : double_divide(multiply(multiply(inverse(X0),X0),X1),inverse(X1)) = double_divide(X2,inverse(X2)),
    inference(paramodulation,[status(thm)],[f132,f61]) ).

fof(f167,plain,
    ! [X0,X1] : double_divide(X0,inverse(X0)) = double_divide(X1,inverse(X1)),
    inference(forward_demodulation,[status(thm)],[f61,f166]) ).

fof(f195,plain,
    ! [X0,X1,X2] : X0 = inverse(multiply(multiply(inverse(X0),X1),double_divide(X1,multiply(inverse(X2),X2)))),
    inference(paramodulation,[status(thm)],[f21,f154]) ).

fof(f196,plain,
    ! [X0,X1] : X0 = inverse(multiply(multiply(inverse(X0),X1),inverse(X1))),
    inference(forward_demodulation,[status(thm)],[f154,f195]) ).

fof(f197,plain,
    ! [X0,X1] : double_divide(X0,inverse(multiply(inverse(X1),X1))) = inverse(X0),
    inference(paramodulation,[status(thm)],[f56,f154]) ).

fof(f215,plain,
    ! [X0,X1] : multiply(multiply(inverse(X0),X0),X1) = inverse(inverse(X1)),
    inference(paramodulation,[status(thm)],[f154,f5]) ).

fof(f216,plain,
    ! [X0] : inverse(inverse(X0)) = X0,
    inference(backward_demodulation,[status(thm)],[f197,f99]) ).

fof(f217,plain,
    ! [X0,X1] : inverse(multiply(X0,X1)) = double_divide(X1,X0),
    inference(backward_demodulation,[status(thm)],[f197,f110]) ).

fof(f220,plain,
    ! [X0,X1] : double_divide(inverse(inverse(double_divide(X0,X1))),X1) = X0,
    inference(backward_demodulation,[status(thm)],[f215,f165]) ).

fof(f221,plain,
    ! [X0,X1] : double_divide(double_divide(X0,X1),X1) = X0,
    inference(forward_demodulation,[status(thm)],[f216,f220]) ).

fof(f222,plain,
    ! [X0,X1] : multiply(X0,inverse(inverse(double_divide(X1,X0)))) = inverse(X1),
    inference(backward_demodulation,[status(thm)],[f215,f164]) ).

fof(f223,plain,
    ! [X0,X1] : multiply(X0,double_divide(X1,X0)) = inverse(X1),
    inference(forward_demodulation,[status(thm)],[f216,f222]) ).

fof(f226,plain,
    ! [X0,X1,X2] : double_divide(inverse(inverse(X0)),X1) = multiply(multiply(inverse(X0),X2),double_divide(X2,X1)),
    inference(backward_demodulation,[status(thm)],[f215,f156]) ).

fof(f227,plain,
    ! [X0,X1,X2] : double_divide(X0,X1) = multiply(multiply(inverse(X0),X2),double_divide(X2,X1)),
    inference(forward_demodulation,[status(thm)],[f216,f226]) ).

fof(f234,plain,
    ! [X0,X1] : double_divide(X0,double_divide(X1,inverse(X1))) = inverse(X0),
    inference(backward_demodulation,[status(thm)],[f217,f197]) ).

fof(f243,plain,
    ! [X0,X1] : X0 = double_divide(inverse(X1),multiply(inverse(X0),X1)),
    inference(backward_demodulation,[status(thm)],[f217,f196]) ).

fof(f252,plain,
    ! [X0,X1,X2,X3] : double_divide(multiply(multiply(inverse(X0),multiply(inverse(X1),double_divide(double_divide(X1,inverse(X2)),X3))),X2),X3) = X0,
    inference(backward_demodulation,[status(thm)],[f227,f41]) ).

fof(f259,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(multiply(inverse(X1),double_divide(X2,X0)),X2)) = inverse(X1),
    inference(backward_demodulation,[status(thm)],[f227,f34]) ).

fof(f386,plain,
    ! [X0,X1] : double_divide(multiply(X0,X1),inverse(X1)) = inverse(X0),
    inference(paramodulation,[status(thm)],[f216,f57]) ).

fof(f400,plain,
    ! [X0,X1] : inverse(double_divide(X0,multiply(inverse(X1),X1))) = X0,
    inference(paramodulation,[status(thm)],[f154,f221]) ).

fof(f401,plain,
    ! [X0,X1] : multiply(multiply(inverse(X0),X0),X1) = X1,
    inference(forward_demodulation,[status(thm)],[f5,f400]) ).

fof(f443,plain,
    ! [X0,X1,X2] : multiply(multiply(double_divide(X0,X1),multiply(X1,X0)),X2) = X2,
    inference(paramodulation,[status(thm)],[f217,f401]) ).

fof(f579,plain,
    ! [X0,X1] : multiply(multiply(inverse(X0),X1),X0) = inverse(inverse(X1)),
    inference(paramodulation,[status(thm)],[f243,f223]) ).

fof(f580,plain,
    ! [X0,X1] : multiply(multiply(inverse(X0),X1),X0) = X1,
    inference(forward_demodulation,[status(thm)],[f216,f579]) ).

fof(f590,plain,
    ! [X0,X1] : multiply(inverse(X0),X1) = double_divide(X0,inverse(X1)),
    inference(paramodulation,[status(thm)],[f223,f580]) ).

fof(f593,plain,
    ! [X0,X1,X2] : multiply(multiply(multiply(X0,X1),X2),double_divide(X1,X0)) = X2,
    inference(paramodulation,[status(thm)],[f5,f580]) ).

fof(f635,plain,
    ! [X0,X1,X2,X3] : double_divide(multiply(multiply(inverse(X0),double_divide(X1,inverse(double_divide(double_divide(X1,inverse(X2)),X3)))),X2),X3) = X0,
    inference(backward_demodulation,[status(thm)],[f590,f252]) ).

fof(f636,plain,
    ! [X0,X1,X2,X3] : double_divide(multiply(double_divide(X0,inverse(double_divide(X1,inverse(double_divide(double_divide(X1,inverse(X2)),X3))))),X2),X3) = X0,
    inference(forward_demodulation,[status(thm)],[f590,f635]) ).

fof(f637,plain,
    ! [X0,X1,X2,X3] : double_divide(multiply(double_divide(X0,multiply(inverse(double_divide(double_divide(X1,inverse(X2)),X3)),X1)),X2),X3) = X0,
    inference(forward_demodulation,[status(thm)],[f5,f636]) ).

fof(f638,plain,
    ! [X0,X1,X2,X3] : double_divide(multiply(double_divide(X0,double_divide(double_divide(double_divide(X1,inverse(X2)),X3),inverse(X1))),X2),X3) = X0,
    inference(forward_demodulation,[status(thm)],[f590,f637]) ).

fof(f651,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(double_divide(X1,inverse(double_divide(X2,X0))),X2)) = inverse(X1),
    inference(backward_demodulation,[status(thm)],[f590,f259]) ).

fof(f652,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(double_divide(X1,multiply(X0,X2)),X2)) = inverse(X1),
    inference(forward_demodulation,[status(thm)],[f5,f651]) ).

fof(f861,plain,
    ! [X0,X1,X2,X3] : inverse(multiply(double_divide(X0,double_divide(double_divide(double_divide(X1,inverse(X2)),double_divide(X3,inverse(X3))),inverse(X1))),X2)) = X0,
    inference(paramodulation,[status(thm)],[f234,f638]) ).

fof(f862,plain,
    ! [X0,X1,X2,X3] : double_divide(X0,double_divide(X1,double_divide(double_divide(double_divide(X2,inverse(X0)),double_divide(X3,inverse(X3))),inverse(X2)))) = X1,
    inference(forward_demodulation,[status(thm)],[f217,f861]) ).

fof(f863,plain,
    ! [X0,X1,X2] : double_divide(X0,double_divide(X1,double_divide(inverse(double_divide(X2,inverse(X0))),inverse(X2)))) = X1,
    inference(forward_demodulation,[status(thm)],[f234,f862]) ).

fof(f864,plain,
    ! [X0,X1,X2] : double_divide(X0,double_divide(X1,double_divide(multiply(inverse(X0),X2),inverse(X2)))) = X1,
    inference(forward_demodulation,[status(thm)],[f5,f863]) ).

fof(f865,plain,
    ! [X0,X1] : double_divide(X0,double_divide(X1,inverse(inverse(X0)))) = X1,
    inference(forward_demodulation,[status(thm)],[f386,f864]) ).

fof(f866,plain,
    ! [X0,X1] : double_divide(X0,double_divide(X1,X0)) = X1,
    inference(forward_demodulation,[status(thm)],[f216,f865]) ).

fof(f872,plain,
    ! [X0,X1,X2,X3] : double_divide(multiply(X0,X1),X2) = double_divide(X0,double_divide(double_divide(double_divide(X3,inverse(X1)),X2),inverse(X3))),
    inference(paramodulation,[status(thm)],[f221,f638]) ).

fof(f909,plain,
    ! [X0,X1,X2,X3] : X0 = inverse(multiply(double_divide(X0,double_divide(double_divide(double_divide(X1,inverse(X2)),double_divide(X3,inverse(X3))),inverse(X1))),X2)),
    inference(paramodulation,[status(thm)],[f638,f234]) ).

fof(f910,plain,
    ! [X0,X1,X2,X3] : X0 = double_divide(X1,double_divide(X0,double_divide(double_divide(double_divide(X2,inverse(X1)),double_divide(X3,inverse(X3))),inverse(X2)))),
    inference(forward_demodulation,[status(thm)],[f217,f909]) ).

fof(f911,plain,
    ! [X0,X1,X2] : X0 = double_divide(X1,double_divide(multiply(X0,X1),double_divide(X2,inverse(X2)))),
    inference(forward_demodulation,[status(thm)],[f872,f910]) ).

fof(f912,plain,
    ! [X0,X1] : X0 = double_divide(X1,inverse(multiply(X0,X1))),
    inference(forward_demodulation,[status(thm)],[f234,f911]) ).

fof(f913,plain,
    ! [X0,X1] : X0 = double_divide(X1,double_divide(X1,X0)),
    inference(forward_demodulation,[status(thm)],[f217,f912]) ).

fof(f928,plain,
    ! [X0,X1] : double_divide(X0,X1) = double_divide(X1,X0),
    inference(paramodulation,[status(thm)],[f221,f866]) ).

fof(f967,plain,
    ! [X0,X1] : multiply(X0,X1) = inverse(double_divide(X0,X1)),
    inference(paramodulation,[status(thm)],[f928,f5]) ).

fof(f968,plain,
    ! [X0,X1] : multiply(X0,X1) = multiply(X1,X0),
    inference(forward_demodulation,[status(thm)],[f5,f967]) ).

fof(f979,plain,
    ( $false
    | spl0_3 ),
    inference(backward_subsumption_resolution,[status(thm)],[f18,f968]) ).

fof(f980,plain,
    spl0_3,
    inference(contradiction_clause,[status(thm)],[f979]) ).

fof(f981,plain,
    ( multiply(c3,multiply(a3,b3)) != multiply(a3,multiply(b3,c3))
    | spl0_2 ),
    inference(forward_demodulation,[status(thm)],[f968,f15]) ).

fof(f1558,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(X1,X2)) = inverse(double_divide(X1,multiply(X0,X2))),
    inference(paramodulation,[status(thm)],[f221,f652]) ).

fof(f1559,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(X1,X2)) = multiply(multiply(X0,X2),X1),
    inference(forward_demodulation,[status(thm)],[f5,f1558]) ).

fof(f1597,plain,
    ! [X0,X1,X2] : multiply(double_divide(X0,X1),multiply(X2,multiply(X1,X0))) = X2,
    inference(backward_demodulation,[status(thm)],[f1559,f443]) ).

fof(f1647,plain,
    ! [X0,X1,X2] : multiply(multiply(X0,X1),multiply(double_divide(X1,X0),X2)) = X2,
    inference(backward_demodulation,[status(thm)],[f1559,f593]) ).

fof(f1648,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(multiply(double_divide(X1,X0),X2),X1)) = X2,
    inference(forward_demodulation,[status(thm)],[f1559,f1647]) ).

fof(f1649,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(X1,multiply(double_divide(X1,X0),X2))) = X2,
    inference(forward_demodulation,[status(thm)],[f968,f1648]) ).

fof(f3302,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(X1,X2)) = multiply(X2,multiply(X0,X1)),
    inference(paramodulation,[status(thm)],[f1597,f1649]) ).

fof(f3431,plain,
    ( $false
    | spl0_2 ),
    inference(backward_subsumption_resolution,[status(thm)],[f981,f3302]) ).

fof(f3432,plain,
    spl0_2,
    inference(contradiction_clause,[status(thm)],[f3431]) ).

fof(f3433,plain,
    ( double_divide(a1,inverse(a1)) != multiply(inverse(b1),b1)
    | spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f590,f9]) ).

fof(f3434,plain,
    ( double_divide(a1,inverse(a1)) != double_divide(b1,inverse(b1))
    | spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f590,f3433]) ).

fof(f3435,plain,
    ( $false
    | spl0_0 ),
    inference(forward_subsumption_resolution,[status(thm)],[f3434,f167]) ).

fof(f3436,plain,
    spl0_0,
    inference(contradiction_clause,[status(thm)],[f3435]) ).

fof(f3438,plain,
    ( multiply(inverse(b2),multiply(a2,b2)) != a2
    | spl0_1 ),
    inference(forward_demodulation,[status(thm)],[f1559,f12]) ).

fof(f3439,plain,
    ( double_divide(b2,inverse(multiply(a2,b2))) != a2
    | spl0_1 ),
    inference(forward_demodulation,[status(thm)],[f590,f3438]) ).

fof(f3440,plain,
    ( double_divide(b2,double_divide(b2,a2)) != a2
    | spl0_1 ),
    inference(forward_demodulation,[status(thm)],[f217,f3439]) ).

fof(f3441,plain,
    ( a2 != a2
    | spl0_1 ),
    inference(forward_demodulation,[status(thm)],[f913,f3440]) ).

fof(f3442,plain,
    ( $false
    | spl0_1 ),
    inference(trivial_equality_resolution,[status(esa)],[f3441]) ).

fof(f3443,plain,
    spl0_1,
    inference(contradiction_clause,[status(thm)],[f3442]) ).

fof(f3444,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f19,f980,f3432,f3436,f3443]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : GRP105-1 : TPTP v8.1.2. Bugfixed v2.7.0.
% 0.03/0.11  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.11/0.32  % Computer : n004.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit : 300
% 0.11/0.32  % WCLimit  : 300
% 0.11/0.32  % DateTime : Tue Apr 30 00:14:18 EDT 2024
% 0.11/0.32  % CPUTime  : 
% 0.11/0.33  % Drodi V3.6.0
% 2.56/0.66  % Refutation found
% 2.56/0.66  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 2.56/0.66  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 2.56/0.68  % Elapsed time: 0.360401 seconds
% 2.56/0.68  % CPU time: 2.733349 seconds
% 2.56/0.68  % Total memory used: 86.384 MB
% 2.56/0.68  % Net memory used: 82.136 MB
%------------------------------------------------------------------------------