TSTP Solution File: GRP700+1 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : GRP700+1 : TPTP v8.1.2. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n017.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 20:21:26 EDT 2024

% Result   : Theorem 6.66s 1.22s
% Output   : CNFRefutation 7.05s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   34 (  29 unt;   0 def)
%            Number of atoms       :   39 (  38 equ)
%            Maximal formula atoms :    2 (   1 avg)
%            Number of connectives :   14 (   9   ~;   3   |;   2   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   3 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :   52 (  49   !;   3   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [B,A] : mult(A,ld(A,B)) = B,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f2,axiom,
    ! [B,A] : ld(A,mult(A,B)) = B,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [B,A] : mult(rd(A,B),B) = A,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f4,axiom,
    ! [B,A] : rd(mult(A,B),B) = A,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f5,axiom,
    ! [A] : mult(A,unit) = A,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f6,axiom,
    ! [A] : mult(unit,A) = A,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f8,axiom,
    ! [C,B,A] : mult(mult(A,B),mult(B,mult(C,B))) = mult(mult(A,mult(B,mult(B,C))),B),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f9,conjecture,
    ! [X0] :
    ? [X1] :
      ( mult(X1,X0) = unit
      & mult(X0,X1) = unit ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f10,negated_conjecture,
    ~ ! [X0] :
      ? [X1] :
        ( mult(X1,X0) = unit
        & mult(X0,X1) = unit ),
    inference(negated_conjecture,[status(cth)],[f9]) ).

fof(f11,plain,
    ! [X0,X1] : mult(X0,ld(X0,X1)) = X1,
    inference(cnf_transformation,[status(esa)],[f1]) ).

fof(f12,plain,
    ! [X0,X1] : ld(X0,mult(X0,X1)) = X1,
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f13,plain,
    ! [X0,X1] : mult(rd(X0,X1),X1) = X0,
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f14,plain,
    ! [X0,X1] : rd(mult(X0,X1),X1) = X0,
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f15,plain,
    ! [X0] : mult(X0,unit) = X0,
    inference(cnf_transformation,[status(esa)],[f5]) ).

fof(f16,plain,
    ! [X0] : mult(unit,X0) = X0,
    inference(cnf_transformation,[status(esa)],[f6]) ).

fof(f18,plain,
    ! [X0,X1,X2] : mult(mult(X0,X1),mult(X1,mult(X2,X1))) = mult(mult(X0,mult(X1,mult(X1,X2))),X1),
    inference(cnf_transformation,[status(esa)],[f8]) ).

fof(f19,plain,
    ? [X0] :
    ! [X1] :
      ( mult(X1,X0) != unit
      | mult(X0,X1) != unit ),
    inference(pre_NNF_transformation,[status(esa)],[f10]) ).

fof(f20,plain,
    ! [X1] :
      ( mult(X1,sk0_0) != unit
      | mult(sk0_0,X1) != unit ),
    inference(skolemization,[status(esa)],[f19]) ).

fof(f21,plain,
    ! [X0] :
      ( mult(X0,sk0_0) != unit
      | mult(sk0_0,X0) != unit ),
    inference(cnf_transformation,[status(esa)],[f20]) ).

fof(f59,plain,
    ! [X0,X1] : mult(mult(unit,X0),mult(X0,mult(X1,X0))) = mult(mult(X0,mult(X0,X1)),X0),
    inference(paramodulation,[status(thm)],[f16,f18]) ).

fof(f60,plain,
    ! [X0,X1] : mult(X0,mult(X0,mult(X1,X0))) = mult(mult(X0,mult(X0,X1)),X0),
    inference(forward_demodulation,[status(thm)],[f16,f59]) ).

fof(f1484,plain,
    ! [X0,X1] : mult(X0,mult(X0,mult(ld(X0,X1),X0))) = mult(mult(X0,X1),X0),
    inference(paramodulation,[status(thm)],[f11,f60]) ).

fof(f1499,plain,
    ! [X0,X1] : ld(mult(X0,mult(X0,X1)),mult(X0,mult(X0,mult(X1,X0)))) = X0,
    inference(paramodulation,[status(thm)],[f60,f12]) ).

fof(f1505,plain,
    ! [X0] : ld(X0,X0) = unit,
    inference(paramodulation,[status(thm)],[f15,f12]) ).

fof(f1515,plain,
    ! [X0,X1] : ld(rd(X0,X1),X0) = X1,
    inference(paramodulation,[status(thm)],[f13,f12]) ).

fof(f3414,plain,
    ! [X0,X1] : rd(mult(mult(X0,X1),X0),mult(X0,mult(ld(X0,X1),X0))) = X0,
    inference(paramodulation,[status(thm)],[f1484,f14]) ).

fof(f7304,plain,
    ! [X0] : rd(mult(X0,X0),mult(X0,mult(ld(X0,unit),X0))) = X0,
    inference(paramodulation,[status(thm)],[f15,f3414]) ).

fof(f7378,plain,
    ! [X0] : ld(X0,mult(X0,X0)) = mult(X0,mult(ld(X0,unit),X0)),
    inference(paramodulation,[status(thm)],[f7304,f1515]) ).

fof(f7379,plain,
    ! [X0] : X0 = mult(X0,mult(ld(X0,unit),X0)),
    inference(forward_demodulation,[status(thm)],[f12,f7378]) ).

fof(f7485,plain,
    ! [X0] : ld(mult(mult(ld(X0,unit),X0),mult(mult(ld(X0,unit),X0),X0)),mult(mult(ld(X0,unit),X0),mult(mult(ld(X0,unit),X0),X0))) = mult(ld(X0,unit),X0),
    inference(paramodulation,[status(thm)],[f7379,f1499]) ).

fof(f7486,plain,
    ! [X0] : unit = mult(ld(X0,unit),X0),
    inference(forward_demodulation,[status(thm)],[f1505,f7485]) ).

fof(f7593,plain,
    mult(sk0_0,ld(sk0_0,unit)) != unit,
    inference(resolution,[status(thm)],[f7486,f21]) ).

fof(f7594,plain,
    unit != unit,
    inference(forward_demodulation,[status(thm)],[f11,f7593]) ).

fof(f7595,plain,
    $false,
    inference(trivial_equality_resolution,[status(esa)],[f7594]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.10  % Problem  : GRP700+1 : TPTP v8.1.2. Released v4.0.0.
% 0.00/0.11  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.10/0.32  % Computer : n017.cluster.edu
% 0.10/0.32  % Model    : x86_64 x86_64
% 0.10/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.32  % Memory   : 8042.1875MB
% 0.10/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.32  % CPULimit : 300
% 0.10/0.32  % WCLimit  : 300
% 0.10/0.32  % DateTime : Tue Apr 30 00:00:18 EDT 2024
% 0.10/0.32  % CPUTime  : 
% 0.10/0.32  % Drodi V3.6.0
% 6.66/1.22  % Refutation found
% 6.66/1.22  % SZS status Theorem for theBenchmark: Theorem is valid
% 6.66/1.22  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 7.13/1.27  % Elapsed time: 0.939177 seconds
% 7.13/1.27  % CPU time: 7.245903 seconds
% 7.13/1.27  % Total memory used: 176.518 MB
% 7.13/1.27  % Net memory used: 174.386 MB
%------------------------------------------------------------------------------