TSTP Solution File: GRP092-1 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : GRP092-1 : TPTP v8.1.2. Bugfixed v2.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n011.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 20:19:12 EDT 2024

% Result   : Unsatisfiable 0.18s 0.42s
% Output   : CNFRefutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   23
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   75 (  50 unt;   0 def)
%            Number of atoms       :  106 (  71 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   57 (  26   ~;  27   |;   0   &)
%                                         (   4 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   3 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    6 (   4 usr;   5 prp; 0-2 aty)
%            Number of functors    :   13 (  13 usr;  10 con; 0-2 aty)
%            Number of variables   :  100 ( 100   !;   0   ?)

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

fof(f2,axiom,
    ! [X,Y,Z] : multiply(X,Y) = divide(X,divide(divide(Z,Z),Y)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [X,Z] : inverse(X) = divide(divide(Z,Z),X),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f4,axiom,
    ! [X] : identity = divide(X,X),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f5,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/sandbox/benchmark/theBenchmark.p') ).

fof(f6,plain,
    ! [X0,X1,X2] : divide(divide(X0,X1),divide(divide(X0,X2),X1)) = X2,
    inference(cnf_transformation,[status(esa)],[f1]) ).

fof(f7,plain,
    ! [X0,X1,X2] : multiply(X0,X1) = divide(X0,divide(divide(X2,X2),X1)),
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f8,plain,
    ! [X0,X1] : inverse(X0) = divide(divide(X1,X1),X0),
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f9,plain,
    ! [X0] : identity = divide(X0,X0),
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f10,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)],[f5]) ).

fof(f11,plain,
    ( spl0_0
  <=> multiply(inverse(a1),a1) = multiply(inverse(b1),b1) ),
    introduced(split_symbol_definition) ).

fof(f13,plain,
    ( multiply(inverse(a1),a1) != multiply(inverse(b1),b1)
    | spl0_0 ),
    inference(component_clause,[status(thm)],[f11]) ).

fof(f14,plain,
    ( spl0_1
  <=> multiply(multiply(inverse(b2),b2),a2) = a2 ),
    introduced(split_symbol_definition) ).

fof(f16,plain,
    ( multiply(multiply(inverse(b2),b2),a2) != a2
    | spl0_1 ),
    inference(component_clause,[status(thm)],[f14]) ).

fof(f17,plain,
    ( spl0_2
  <=> multiply(multiply(a3,b3),c3) = multiply(a3,multiply(b3,c3)) ),
    introduced(split_symbol_definition) ).

fof(f19,plain,
    ( multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3))
    | spl0_2 ),
    inference(component_clause,[status(thm)],[f17]) ).

fof(f20,plain,
    ( spl0_3
  <=> multiply(a4,b4) = multiply(b4,a4) ),
    introduced(split_symbol_definition) ).

fof(f22,plain,
    ( multiply(a4,b4) != multiply(b4,a4)
    | spl0_3 ),
    inference(component_clause,[status(thm)],[f20]) ).

fof(f23,plain,
    ( ~ spl0_0
    | ~ spl0_1
    | ~ spl0_2
    | ~ spl0_3 ),
    inference(split_clause,[status(thm)],[f10,f11,f14,f17,f20]) ).

fof(f24,plain,
    ! [X0,X1] : multiply(X0,X1) = divide(X0,inverse(X1)),
    inference(backward_demodulation,[status(thm)],[f8,f7]) ).

fof(f25,plain,
    ! [X0] : inverse(X0) = divide(identity,X0),
    inference(backward_demodulation,[status(thm)],[f9,f8]) ).

fof(f26,plain,
    ! [X0] : inverse(inverse(X0)) = multiply(identity,X0),
    inference(paramodulation,[status(thm)],[f24,f25]) ).

fof(f29,plain,
    ! [X0,X1] : multiply(X0,inverse(X1)) = divide(X0,multiply(identity,X1)),
    inference(paramodulation,[status(thm)],[f26,f24]) ).

fof(f37,plain,
    ! [X0,X1] : divide(inverse(X0),divide(divide(identity,X1),X0)) = X1,
    inference(paramodulation,[status(thm)],[f25,f6]) ).

fof(f38,plain,
    ! [X0,X1] : divide(inverse(X0),divide(inverse(X1),X0)) = X1,
    inference(forward_demodulation,[status(thm)],[f25,f37]) ).

fof(f58,plain,
    ! [X0,X1] : divide(inverse(divide(inverse(X0),X1)),X0) = X1,
    inference(paramodulation,[status(thm)],[f38,f38]) ).

fof(f65,plain,
    ! [X0,X1,X2] : divide(divide(inverse(X0),X1),divide(X2,X1)) = divide(inverse(X2),X0),
    inference(paramodulation,[status(thm)],[f38,f6]) ).

fof(f108,plain,
    ! [X0,X1,X2] : divide(X0,divide(X1,X2)) = divide(inverse(X1),divide(inverse(X2),X0)),
    inference(paramodulation,[status(thm)],[f58,f65]) ).

fof(f116,plain,
    ! [X0,X1,X2] : divide(divide(multiply(identity,X0),X1),divide(X2,X1)) = divide(inverse(X2),inverse(X0)),
    inference(paramodulation,[status(thm)],[f26,f65]) ).

fof(f117,plain,
    ! [X0,X1,X2] : divide(divide(multiply(identity,X0),X1),divide(X2,X1)) = multiply(inverse(X2),X0),
    inference(forward_demodulation,[status(thm)],[f24,f116]) ).

fof(f140,plain,
    ! [X0,X1] : divide(X0,divide(X0,X1)) = X1,
    inference(backward_demodulation,[status(thm)],[f108,f38]) ).

fof(f143,plain,
    ! [X0] : inverse(divide(identity,X0)) = X0,
    inference(paramodulation,[status(thm)],[f25,f140]) ).

fof(f144,plain,
    ! [X0] : inverse(inverse(X0)) = X0,
    inference(forward_demodulation,[status(thm)],[f25,f143]) ).

fof(f145,plain,
    ! [X0] : multiply(identity,X0) = X0,
    inference(forward_demodulation,[status(thm)],[f26,f144]) ).

fof(f150,plain,
    ! [X0,X1,X2] : divide(divide(X0,X1),X2) = divide(divide(X0,X2),X1),
    inference(paramodulation,[status(thm)],[f6,f140]) ).

fof(f156,plain,
    ! [X0,X1] : divide(X0,multiply(X0,X1)) = inverse(X1),
    inference(paramodulation,[status(thm)],[f24,f140]) ).

fof(f158,plain,
    ! [X0,X1] : divide(inverse(X0),X1) = divide(inverse(X1),X0),
    inference(paramodulation,[status(thm)],[f140,f58]) ).

fof(f169,plain,
    ! [X0,X1,X2] : divide(divide(X0,X1),divide(X2,X1)) = divide(X0,X2),
    inference(paramodulation,[status(thm)],[f140,f6]) ).

fof(f173,plain,
    ! [X0,X1] : multiply(X0,inverse(X1)) = divide(X0,X1),
    inference(backward_demodulation,[status(thm)],[f145,f29]) ).

fof(f180,plain,
    ! [X0,X1,X2] : divide(divide(X0,X1),divide(X2,X1)) = multiply(inverse(X2),X0),
    inference(backward_demodulation,[status(thm)],[f145,f117]) ).

fof(f181,plain,
    ! [X0,X1] : divide(X0,X1) = multiply(inverse(X1),X0),
    inference(forward_demodulation,[status(thm)],[f169,f180]) ).

fof(f218,plain,
    ! [X0,X1] : divide(X0,divide(X0,X1)) = inverse(inverse(X1)),
    inference(paramodulation,[status(thm)],[f173,f156]) ).

fof(f219,plain,
    ! [X0] : X0 = inverse(inverse(X0)),
    inference(forward_demodulation,[status(thm)],[f140,f218]) ).

fof(f226,plain,
    ! [X0,X1] : divide(X0,inverse(X1)) = multiply(X1,X0),
    inference(paramodulation,[status(thm)],[f219,f181]) ).

fof(f227,plain,
    ! [X0,X1] : multiply(X0,X1) = multiply(X1,X0),
    inference(forward_demodulation,[status(thm)],[f24,f226]) ).

fof(f230,plain,
    ( $false
    | spl0_3 ),
    inference(backward_subsumption_resolution,[status(thm)],[f22,f227]) ).

fof(f231,plain,
    spl0_3,
    inference(contradiction_clause,[status(thm)],[f230]) ).

fof(f232,plain,
    ( multiply(c3,multiply(a3,b3)) != multiply(a3,multiply(b3,c3))
    | spl0_2 ),
    inference(forward_demodulation,[status(thm)],[f227,f19]) ).

fof(f300,plain,
    ! [X0,X1] : divide(divide(X0,X1),X0) = divide(identity,X1),
    inference(paramodulation,[status(thm)],[f9,f150]) ).

fof(f301,plain,
    ! [X0,X1] : divide(divide(X0,X1),X0) = inverse(X1),
    inference(forward_demodulation,[status(thm)],[f25,f300]) ).

fof(f376,plain,
    ! [X0,X1] : divide(inverse(X0),X1) = inverse(multiply(X1,X0)),
    inference(paramodulation,[status(thm)],[f156,f301]) ).

fof(f377,plain,
    ! [X0,X1] : divide(X0,X1) = inverse(divide(X1,X0)),
    inference(paramodulation,[status(thm)],[f140,f301]) ).

fof(f501,plain,
    ! [X0,X1,X2] : divide(X0,divide(X1,X2)) = inverse(divide(divide(X1,X0),X2)),
    inference(paramodulation,[status(thm)],[f150,f377]) ).

fof(f502,plain,
    ! [X0,X1,X2] : divide(X0,divide(X1,X2)) = divide(X2,divide(X1,X0)),
    inference(forward_demodulation,[status(thm)],[f377,f501]) ).

fof(f519,plain,
    ! [X0,X1,X2] : multiply(X0,divide(X1,X2)) = divide(X0,divide(X2,X1)),
    inference(paramodulation,[status(thm)],[f377,f173]) ).

fof(f614,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(X1,X2)) = divide(X0,divide(inverse(X2),X1)),
    inference(paramodulation,[status(thm)],[f376,f24]) ).

fof(f776,plain,
    ! [X0,X1,X2] : divide(X0,divide(inverse(X1),X2)) = divide(X1,divide(inverse(X2),X0)),
    inference(paramodulation,[status(thm)],[f158,f502]) ).

fof(f777,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(X1,X2)) = divide(X2,divide(inverse(X1),X0)),
    inference(forward_demodulation,[status(thm)],[f614,f776]) ).

fof(f778,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(X1,X2)) = multiply(X2,multiply(X0,X1)),
    inference(forward_demodulation,[status(thm)],[f614,f777]) ).

fof(f890,plain,
    ( $false
    | spl0_2 ),
    inference(backward_subsumption_resolution,[status(thm)],[f232,f778]) ).

fof(f891,plain,
    spl0_2,
    inference(contradiction_clause,[status(thm)],[f890]) ).

fof(f892,plain,
    ( divide(a1,a1) != multiply(inverse(b1),b1)
    | spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f181,f13]) ).

fof(f893,plain,
    ( identity != multiply(inverse(b1),b1)
    | spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f9,f892]) ).

fof(f894,plain,
    ( identity != divide(b1,b1)
    | spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f181,f893]) ).

fof(f895,plain,
    ( identity != identity
    | spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f9,f894]) ).

fof(f896,plain,
    ( $false
    | spl0_0 ),
    inference(trivial_equality_resolution,[status(esa)],[f895]) ).

fof(f897,plain,
    spl0_0,
    inference(contradiction_clause,[status(thm)],[f896]) ).

fof(f899,plain,
    ( multiply(a2,multiply(inverse(b2),b2)) != a2
    | spl0_1 ),
    inference(forward_demodulation,[status(thm)],[f227,f16]) ).

fof(f900,plain,
    ( multiply(b2,multiply(a2,inverse(b2))) != a2
    | spl0_1 ),
    inference(forward_demodulation,[status(thm)],[f778,f899]) ).

fof(f901,plain,
    ( multiply(b2,divide(a2,b2)) != a2
    | spl0_1 ),
    inference(forward_demodulation,[status(thm)],[f173,f900]) ).

fof(f902,plain,
    ( divide(b2,divide(b2,a2)) != a2
    | spl0_1 ),
    inference(forward_demodulation,[status(thm)],[f519,f901]) ).

fof(f903,plain,
    ( a2 != a2
    | spl0_1 ),
    inference(forward_demodulation,[status(thm)],[f140,f902]) ).

fof(f904,plain,
    ( $false
    | spl0_1 ),
    inference(trivial_equality_resolution,[status(esa)],[f903]) ).

fof(f905,plain,
    spl0_1,
    inference(contradiction_clause,[status(thm)],[f904]) ).

fof(f906,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f23,f231,f891,f897,f905]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.13  % Problem  : GRP092-1 : TPTP v8.1.2. Bugfixed v2.7.0.
% 0.05/0.14  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.12/0.35  % Computer : n011.cluster.edu
% 0.12/0.35  % Model    : x86_64 x86_64
% 0.12/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.35  % Memory   : 8042.1875MB
% 0.12/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.35  % CPULimit : 300
% 0.12/0.35  % WCLimit  : 300
% 0.12/0.35  % DateTime : Tue Apr 30 00:34:16 EDT 2024
% 0.12/0.35  % CPUTime  : 
% 0.12/0.36  % Drodi V3.6.0
% 0.18/0.42  % Refutation found
% 0.18/0.42  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.18/0.42  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.18/0.44  % Elapsed time: 0.079418 seconds
% 0.18/0.44  % CPU time: 0.431992 seconds
% 0.18/0.44  % Total memory used: 47.637 MB
% 0.18/0.44  % Net memory used: 46.744 MB
%------------------------------------------------------------------------------