TSTP Solution File: LCL016-1 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : LCL016-1 : TPTP v8.1.2. Released v1.0.0.
% 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 20:26:09 EDT 2024

% Result   : Unsatisfiable 9.27s 1.53s
% Output   : CNFRefutation 9.27s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   35 (  11 unt;   0 def)
%            Number of atoms       :   75 (   0 equ)
%            Maximal formula atoms :    5 (   2 avg)
%            Number of connectives :   87 (  47   ~;  40   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   5 avg)
%            Maximal term depth    :    7 (   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   :   77 (  77   !;   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(Z,equivalent(equivalent(Z,Y),X)))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f3,negated_conjecture,
    ~ is_a_theorem(equivalent(equivalent(a,b),equivalent(c,equivalent(equivalent(b,c),a)))),
    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(X2,equivalent(equivalent(X2,X1),X0)))),
    inference(cnf_transformation,[status(esa)],[f2]) ).

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

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

fof(f9,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(equivalent(X0,X1))
      | ~ is_a_theorem(X2)
      | is_a_theorem(equivalent(equivalent(X2,X1),X0)) ),
    inference(resolution,[status(thm)],[f8,f5]) ).

fof(f18,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(equivalent(X0,X1))
      | ~ is_a_theorem(X2)
      | ~ is_a_theorem(equivalent(X2,X1))
      | is_a_theorem(X0) ),
    inference(resolution,[status(thm)],[f9,f5]) ).

fof(f20,plain,
    ! [X0,X1,X2,X3] :
      ( ~ is_a_theorem(equivalent(X0,X1))
      | ~ is_a_theorem(equivalent(X2,X3))
      | is_a_theorem(X0)
      | ~ is_a_theorem(equivalent(X1,X3))
      | ~ is_a_theorem(X2) ),
    inference(resolution,[status(thm)],[f18,f9]) ).

fof(f24,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(equivalent(X0,equivalent(X1,X2)))
      | is_a_theorem(X0)
      | ~ is_a_theorem(equivalent(X1,X2)) ),
    inference(resolution,[status(thm)],[f20,f6]) ).

fof(f41,plain,
    ! [X0,X1,X2] :
      ( is_a_theorem(equivalent(X0,X1))
      | ~ is_a_theorem(equivalent(X2,equivalent(equivalent(X2,X1),X0))) ),
    inference(resolution,[status(thm)],[f24,f6]) ).

fof(f43,plain,
    ! [X0,X1,X2] :
      ( is_a_theorem(X0)
      | ~ is_a_theorem(equivalent(equivalent(X0,X1),X2))
      | ~ is_a_theorem(equivalent(X2,X1)) ),
    inference(resolution,[status(thm)],[f24,f8]) ).

fof(f48,plain,
    ! [X0,X1,X2] : is_a_theorem(equivalent(equivalent(equivalent(equivalent(equivalent(X0,X1),X2),X1),X0),X2)),
    inference(resolution,[status(thm)],[f41,f6]) ).

fof(f50,plain,
    ! [X0,X1,X2] :
      ( is_a_theorem(X0)
      | ~ is_a_theorem(equivalent(equivalent(X1,equivalent(equivalent(X1,X2),X0)),X2)) ),
    inference(resolution,[status(thm)],[f43,f6]) ).

fof(f60,plain,
    ! [X0,X1,X2] :
      ( is_a_theorem(equivalent(equivalent(equivalent(X0,X1),X2),X1))
      | ~ is_a_theorem(equivalent(X2,X0)) ),
    inference(resolution,[status(thm)],[f48,f43]) ).

fof(f70,plain,
    ! [X0,X1,X2] :
      ( is_a_theorem(X0)
      | ~ is_a_theorem(equivalent(X1,equivalent(equivalent(X2,X1),X0)))
      | ~ is_a_theorem(X2) ),
    inference(resolution,[status(thm)],[f50,f9]) ).

fof(f71,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(equivalent(equivalent(equivalent(equivalent(X0,X1),X1),X2),X0))
      | is_a_theorem(X2) ),
    inference(resolution,[status(thm)],[f60,f50]) ).

fof(f72,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(equivalent(X0,X1))
      | is_a_theorem(equivalent(X1,X2))
      | ~ is_a_theorem(equivalent(X2,X0)) ),
    inference(resolution,[status(thm)],[f60,f43]) ).

fof(f81,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(equivalent(X0,X1))
      | ~ is_a_theorem(equivalent(equivalent(X1,X2),X0))
      | is_a_theorem(X2) ),
    inference(resolution,[status(thm)],[f60,f5]) ).

fof(f97,plain,
    ! [X0,X1] :
      ( is_a_theorem(X0)
      | ~ is_a_theorem(X1)
      | ~ is_a_theorem(equivalent(X0,X1)) ),
    inference(resolution,[status(thm)],[f70,f8]) ).

fof(f99,plain,
    ! [X0,X1,X2] :
      ( is_a_theorem(equivalent(equivalent(X0,X1),X2))
      | ~ is_a_theorem(X1)
      | ~ is_a_theorem(equivalent(X2,X0)) ),
    inference(resolution,[status(thm)],[f97,f60]) ).

fof(f103,plain,
    ! [X0,X1] :
      ( is_a_theorem(X0)
      | ~ is_a_theorem(equivalent(X0,equivalent(X1,X1))) ),
    inference(resolution,[status(thm)],[f71,f60]) ).

fof(f108,plain,
    ! [X0,X1] :
      ( is_a_theorem(X0)
      | ~ is_a_theorem(equivalent(equivalent(X0,X1),X1)) ),
    inference(resolution,[status(thm)],[f103,f8]) ).

fof(f109,plain,
    ! [X0,X1] : is_a_theorem(equivalent(equivalent(equivalent(X0,X1),X0),X1)),
    inference(resolution,[status(thm)],[f108,f48]) ).

fof(f110,plain,
    ! [X0,X1] :
      ( is_a_theorem(equivalent(X0,X1))
      | ~ is_a_theorem(equivalent(X1,X0)) ),
    inference(resolution,[status(thm)],[f108,f60]) ).

fof(f142,plain,
    ! [X0,X1,X2] : is_a_theorem(equivalent(equivalent(X0,equivalent(equivalent(X0,X1),X2)),equivalent(X2,X1))),
    inference(resolution,[status(thm)],[f110,f6]) ).

fof(f602,plain,
    ! [X0] :
      ( ~ is_a_theorem(equivalent(X0,equivalent(a,b)))
      | ~ is_a_theorem(equivalent(equivalent(c,equivalent(equivalent(b,c),a)),X0)) ),
    inference(resolution,[status(thm)],[f72,f7]) ).

fof(f944,plain,
    ! [X0] : ~ is_a_theorem(equivalent(equivalent(X0,equivalent(equivalent(X0,equivalent(equivalent(b,c),a)),c)),equivalent(a,b))),
    inference(resolution,[status(thm)],[f602,f6]) ).

fof(f1082,plain,
    ! [X0] :
      ( ~ is_a_theorem(equivalent(equivalent(X0,equivalent(equivalent(b,c),a)),c))
      | ~ is_a_theorem(equivalent(equivalent(a,b),X0)) ),
    inference(resolution,[status(thm)],[f99,f944]) ).

fof(f1328,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(equivalent(equivalent(X0,X1),X2))
      | is_a_theorem(equivalent(equivalent(X2,X1),X0)) ),
    inference(resolution,[status(thm)],[f142,f81]) ).

fof(f3072,plain,
    ~ is_a_theorem(equivalent(equivalent(a,b),equivalent(equivalent(equivalent(b,c),a),c))),
    inference(resolution,[status(thm)],[f1082,f109]) ).

fof(f6893,plain,
    ~ is_a_theorem(equivalent(equivalent(equivalent(equivalent(equivalent(b,c),a),c),b),a)),
    inference(resolution,[status(thm)],[f1328,f3072]) ).

fof(f6894,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[f6893,f48]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : LCL016-1 : TPTP v8.1.2. Released v1.0.0.
% 0.07/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.34  % Computer : n004.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Mon Apr 29 20:26:18 EDT 2024
% 0.13/0.35  % CPUTime  : 
% 0.13/0.35  % Drodi V3.6.0
% 9.27/1.53  % Refutation found
% 9.27/1.53  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 9.27/1.53  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 9.27/1.58  % Elapsed time: 1.215248 seconds
% 9.27/1.58  % CPU time: 9.536297 seconds
% 9.27/1.58  % Total memory used: 246.940 MB
% 9.27/1.58  % Net memory used: 238.774 MB
%------------------------------------------------------------------------------