TSTP Solution File: LCL022-1 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : LCL022-1 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n007.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 20:26:10 EDT 2024

% Result   : Unsatisfiable 0.14s 0.34s
% Output   : CNFRefutation 0.14s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   26 (  15 unt;   0 def)
%            Number of atoms       :   42 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   36 (  20   ~;  16   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   4 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :   58 (  58   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [X,Y] :
      ( ~ is_a_theorem(equivalent(X,Y))
      | ~ is_a_theorem(X)
      | is_a_theorem(Y) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f2,axiom,
    ! [X,Y,Z] : is_a_theorem(equivalent(equivalent(X,Y),equivalent(equivalent(Z,Y),equivalent(X,Z)))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f3,negated_conjecture,
    ~ is_a_theorem(equivalent(equivalent(equivalent(a,b),equivalent(c,a)),equivalent(b,c))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f4,plain,
    ! [Y] :
      ( ! [X] :
          ( ~ is_a_theorem(equivalent(X,Y))
          | ~ is_a_theorem(X) )
      | is_a_theorem(Y) ),
    inference(miniscoping,[status(esa)],[f1]) ).

fof(f5,plain,
    ! [X0,X1] :
      ( ~ is_a_theorem(equivalent(X0,X1))
      | ~ is_a_theorem(X0)
      | is_a_theorem(X1) ),
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f6,plain,
    ! [X0,X1,X2] : is_a_theorem(equivalent(equivalent(X0,X1),equivalent(equivalent(X2,X1),equivalent(X0,X2)))),
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f7,plain,
    ~ is_a_theorem(equivalent(equivalent(equivalent(a,b),equivalent(c,a)),equivalent(b,c))),
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f8,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(equivalent(X0,X1))
      | is_a_theorem(equivalent(equivalent(X2,X1),equivalent(X0,X2))) ),
    inference(resolution,[status(thm)],[f6,f5]) ).

fof(f9,plain,
    ! [X0,X1,X2,X3] : is_a_theorem(equivalent(equivalent(X0,equivalent(equivalent(X1,X2),equivalent(X3,X1))),equivalent(equivalent(X3,X2),X0))),
    inference(resolution,[status(thm)],[f8,f6]) ).

fof(f11,plain,
    ! [X0,X1,X2,X3] :
      ( ~ is_a_theorem(equivalent(X0,equivalent(equivalent(X1,X2),equivalent(X3,X1))))
      | is_a_theorem(equivalent(equivalent(X3,X2),X0)) ),
    inference(resolution,[status(thm)],[f9,f5]) ).

fof(f16,plain,
    ! [X0,X1] : is_a_theorem(equivalent(equivalent(X0,X1),equivalent(X0,X1))),
    inference(resolution,[status(thm)],[f11,f6]) ).

fof(f18,plain,
    ! [X0,X1,X2] : is_a_theorem(equivalent(equivalent(X0,equivalent(X1,X2)),equivalent(equivalent(X1,X2),X0))),
    inference(resolution,[status(thm)],[f16,f8]) ).

fof(f19,plain,
    ! [X0,X1,X2] : is_a_theorem(equivalent(equivalent(X0,X1),equivalent(equivalent(X0,X2),equivalent(X2,X1)))),
    inference(resolution,[status(thm)],[f18,f11]) ).

fof(f21,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(equivalent(X0,equivalent(X1,X2)))
      | is_a_theorem(equivalent(equivalent(X1,X2),X0)) ),
    inference(resolution,[status(thm)],[f18,f5]) ).

fof(f22,plain,
    ! [X0,X1] : is_a_theorem(equivalent(equivalent(X0,X0),equivalent(X1,X1))),
    inference(resolution,[status(thm)],[f19,f11]) ).

fof(f24,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(equivalent(X0,X1))
      | is_a_theorem(equivalent(equivalent(X0,X2),equivalent(X2,X1))) ),
    inference(resolution,[status(thm)],[f19,f5]) ).

fof(f26,plain,
    ! [X0,X1,X2] : is_a_theorem(equivalent(equivalent(X0,equivalent(X1,X1)),equivalent(equivalent(X2,X2),X0))),
    inference(resolution,[status(thm)],[f22,f8]) ).

fof(f38,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(equivalent(X0,equivalent(X1,X2)))
      | ~ is_a_theorem(equivalent(X1,X2))
      | is_a_theorem(X0) ),
    inference(resolution,[status(thm)],[f21,f5]) ).

fof(f41,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(equivalent(X0,X1))
      | ~ is_a_theorem(equivalent(X0,X2))
      | is_a_theorem(equivalent(X2,X1)) ),
    inference(resolution,[status(thm)],[f24,f5]) ).

fof(f42,plain,
    ! [X0,X1,X2] : is_a_theorem(equivalent(equivalent(X0,X1),equivalent(equivalent(X0,X1),equivalent(X2,X2)))),
    inference(resolution,[status(thm)],[f26,f11]) ).

fof(f52,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(equivalent(X0,equivalent(equivalent(X1,X1),equivalent(X2,X2))))
      | is_a_theorem(X0) ),
    inference(resolution,[status(thm)],[f38,f22]) ).

fof(f55,plain,
    ! [X0] :
      ( ~ is_a_theorem(equivalent(X0,equivalent(b,c)))
      | ~ is_a_theorem(equivalent(X0,equivalent(equivalent(a,b),equivalent(c,a)))) ),
    inference(resolution,[status(thm)],[f41,f7]) ).

fof(f86,plain,
    ! [X0] : is_a_theorem(equivalent(X0,X0)),
    inference(resolution,[status(thm)],[f52,f42]) ).

fof(f102,plain,
    ! [X0,X1] : is_a_theorem(equivalent(equivalent(X0,X1),equivalent(X1,X0))),
    inference(resolution,[status(thm)],[f86,f8]) ).

fof(f234,plain,
    ~ is_a_theorem(equivalent(equivalent(c,b),equivalent(equivalent(a,b),equivalent(c,a)))),
    inference(resolution,[status(thm)],[f55,f102]) ).

fof(f235,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[f234,f6]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.10  % Problem  : LCL022-1 : TPTP v8.1.2. Released v1.0.0.
% 0.08/0.11  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.10/0.31  % Computer : n007.cluster.edu
% 0.10/0.31  % Model    : x86_64 x86_64
% 0.10/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.31  % Memory   : 8042.1875MB
% 0.10/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.31  % CPULimit : 300
% 0.10/0.31  % WCLimit  : 300
% 0.10/0.31  % DateTime : Mon Apr 29 20:23:32 EDT 2024
% 0.14/0.31  % CPUTime  : 
% 0.14/0.32  % Drodi V3.6.0
% 0.14/0.34  % Refutation found
% 0.14/0.34  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.14/0.34  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.14/0.35  % Elapsed time: 0.024101 seconds
% 0.14/0.35  % CPU time: 0.115468 seconds
% 0.14/0.35  % Total memory used: 20.727 MB
% 0.14/0.35  % Net memory used: 19.857 MB
%------------------------------------------------------------------------------