TSTP Solution File: LCL045-1 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : LCL045-1 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n003.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 20:26:13 EDT 2024

% Result   : Unsatisfiable 5.94s 1.14s
% Output   : CNFRefutation 6.23s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   27 (  17 unt;   0 def)
%            Number of atoms       :   41 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   34 (  20   ~;  14   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   4 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   54 (  54   !;   0   ?)

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

fof(f2,axiom,
    ! [X,Y] : is_a_theorem(implies(X,implies(not(X),Y))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [X,Y] : is_a_theorem(implies(X,implies(Y,X))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f4,axiom,
    ! [X,Y,Z] : is_a_theorem(implies(implies(X,implies(Y,Z)),implies(Y,implies(X,Z)))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f5,axiom,
    ! [Y,Z,X] : is_a_theorem(implies(implies(Y,Z),implies(implies(X,Y),implies(X,Z)))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f6,axiom,
    ! [X,Y] : is_a_theorem(implies(implies(X,Y),implies(implies(not(X),Y),Y))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f7,negated_conjecture,
    ~ is_a_theorem(implies(implies(a,b),implies(not(b),not(a)))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f8,plain,
    ! [Y] :
      ( ! [X] :
          ( ~ is_a_theorem(implies(X,Y))
          | ~ is_a_theorem(X) )
      | is_a_theorem(Y) ),
    inference(miniscoping,[status(esa)],[f1]) ).

fof(f9,plain,
    ! [X0,X1] :
      ( ~ is_a_theorem(implies(X0,X1))
      | ~ is_a_theorem(X0)
      | is_a_theorem(X1) ),
    inference(cnf_transformation,[status(esa)],[f8]) ).

fof(f10,plain,
    ! [X0,X1] : is_a_theorem(implies(X0,implies(not(X0),X1))),
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f11,plain,
    ! [X0,X1] : is_a_theorem(implies(X0,implies(X1,X0))),
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f12,plain,
    ! [X0,X1,X2] : is_a_theorem(implies(implies(X0,implies(X1,X2)),implies(X1,implies(X0,X2)))),
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f13,plain,
    ! [X0,X1,X2] : is_a_theorem(implies(implies(X0,X1),implies(implies(X2,X0),implies(X2,X1)))),
    inference(cnf_transformation,[status(esa)],[f5]) ).

fof(f14,plain,
    ! [X0,X1] : is_a_theorem(implies(implies(X0,X1),implies(implies(not(X0),X1),X1))),
    inference(cnf_transformation,[status(esa)],[f6]) ).

fof(f15,plain,
    ~ is_a_theorem(implies(implies(a,b),implies(not(b),not(a)))),
    inference(cnf_transformation,[status(esa)],[f7]) ).

fof(f16,plain,
    ! [X0] :
      ( ~ is_a_theorem(implies(X0,implies(implies(a,b),implies(not(b),not(a)))))
      | ~ is_a_theorem(X0) ),
    inference(resolution,[status(thm)],[f9,f15]) ).

fof(f18,plain,
    ! [X0,X1] :
      ( ~ is_a_theorem(X0)
      | ~ is_a_theorem(implies(X1,implies(X0,implies(implies(a,b),implies(not(b),not(a))))))
      | ~ is_a_theorem(X1) ),
    inference(resolution,[status(thm)],[f16,f9]) ).

fof(f41,plain,
    ! [X0] :
      ( ~ is_a_theorem(implies(not(X0),implies(implies(a,b),implies(not(b),not(a)))))
      | ~ is_a_theorem(implies(X0,implies(implies(a,b),implies(not(b),not(a))))) ),
    inference(resolution,[status(thm)],[f18,f14]) ).

fof(f73,plain,
    ! [X0,X1] :
      ( ~ is_a_theorem(X0)
      | is_a_theorem(implies(X1,X0)) ),
    inference(resolution,[status(thm)],[f9,f11]) ).

fof(f95,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(implies(X0,implies(X1,X2)))
      | is_a_theorem(implies(X1,implies(X0,X2))) ),
    inference(resolution,[status(thm)],[f12,f9]) ).

fof(f375,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(implies(X0,X1))
      | is_a_theorem(implies(implies(X2,X0),implies(X2,X1))) ),
    inference(resolution,[status(thm)],[f13,f9]) ).

fof(f385,plain,
    ! [X0,X1,X2] :
      ( is_a_theorem(implies(X0,implies(X1,X2)))
      | ~ is_a_theorem(implies(X0,X2)) ),
    inference(resolution,[status(thm)],[f95,f73]) ).

fof(f637,plain,
    ! [X0,X1,X2] : is_a_theorem(implies(implies(X0,X1),implies(X0,implies(not(X1),X2)))),
    inference(resolution,[status(thm)],[f375,f10]) ).

fof(f933,plain,
    ! [X0,X1,X2] : is_a_theorem(implies(X0,implies(X1,implies(X2,X0)))),
    inference(resolution,[status(thm)],[f385,f11]) ).

fof(f962,plain,
    ~ is_a_theorem(implies(a,implies(implies(a,b),implies(not(b),not(a))))),
    inference(resolution,[status(thm)],[f933,f41]) ).

fof(f2687,plain,
    ! [X0,X1,X2] : is_a_theorem(implies(X0,implies(implies(X0,X1),implies(not(X1),X2)))),
    inference(resolution,[status(thm)],[f637,f95]) ).

fof(f2688,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[f962,f2687]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : LCL045-1 : TPTP v8.1.2. Released v1.0.0.
% 0.12/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.35  % Computer : n003.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 300
% 0.13/0.35  % DateTime : Mon Apr 29 20:27:33 EDT 2024
% 0.13/0.35  % CPUTime  : 
% 0.13/0.36  % Drodi V3.6.0
% 5.94/1.14  % Refutation found
% 5.94/1.14  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 5.94/1.14  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 6.23/1.19  % Elapsed time: 0.825538 seconds
% 6.23/1.19  % CPU time: 6.392651 seconds
% 6.23/1.19  % Total memory used: 172.876 MB
% 6.23/1.19  % Net memory used: 155.328 MB
%------------------------------------------------------------------------------