TSTP Solution File: LCL239-3 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : LCL239-3 : TPTP v8.1.2. Released v2.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n019.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 : Wed May 31 12:18:49 EDT 2023

% Result   : Unsatisfiable 0.20s 0.60s
% Output   : CNFRefutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   43 (  32 unt;   0 def)
%            Number of atoms       :   57 (   5 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   30 (  16   ~;  14   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   1 con; 0-2 aty)
%            Number of variables   :   77 (;  77   !;   0   ?)

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

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

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

fof(f4,axiom,
    ! [A,B,C] : axiom(implies(or(A,or(B,C)),or(B,or(A,C)))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

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

fof(f7,axiom,
    ! [X] :
      ( theorem(X)
      | ~ axiom(X) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f8,axiom,
    ! [X,Y] :
      ( theorem(X)
      | ~ theorem(implies(Y,X))
      | ~ theorem(Y) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f9,axiom,
    ! [P,Q] : and(P,Q) = not(or(not(P),not(Q))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f10,negated_conjecture,
    ~ theorem(not(and(p,not(p)))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f11,plain,
    ! [X0] : axiom(implies(or(X0,X0),X0)),
    inference(cnf_transformation,[status(esa)],[f1]) ).

fof(f12,plain,
    ! [X0,X1] : axiom(implies(X0,or(X1,X0))),
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f13,plain,
    ! [X0,X1] : axiom(implies(or(X0,X1),or(X1,X0))),
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f14,plain,
    ! [X0,X1,X2] : axiom(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2)))),
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f16,plain,
    ! [X0,X1] : implies(X0,X1) = or(not(X0),X1),
    inference(cnf_transformation,[status(esa)],[f6]) ).

fof(f17,plain,
    ! [X0] :
      ( theorem(X0)
      | ~ axiom(X0) ),
    inference(cnf_transformation,[status(esa)],[f7]) ).

fof(f18,plain,
    ! [Y] :
      ( ! [X] :
          ( theorem(X)
          | ~ theorem(implies(Y,X)) )
      | ~ theorem(Y) ),
    inference(miniscoping,[status(esa)],[f8]) ).

fof(f19,plain,
    ! [X0,X1] :
      ( theorem(X0)
      | ~ theorem(implies(X1,X0))
      | ~ theorem(X1) ),
    inference(cnf_transformation,[status(esa)],[f18]) ).

fof(f20,plain,
    ! [X0,X1] : and(X0,X1) = not(or(not(X0),not(X1))),
    inference(cnf_transformation,[status(esa)],[f9]) ).

fof(f21,plain,
    ~ theorem(not(and(p,not(p)))),
    inference(cnf_transformation,[status(esa)],[f10]) ).

fof(f22,plain,
    ! [X0,X1] : and(X0,X1) = not(implies(X0,not(X1))),
    inference(forward_demodulation,[status(thm)],[f16,f20]) ).

fof(f190,plain,
    ! [X0] : theorem(implies(or(X0,X0),X0)),
    inference(resolution,[status(thm)],[f11,f17]) ).

fof(f193,plain,
    ! [X0,X1] : theorem(implies(X0,or(X1,X0))),
    inference(resolution,[status(thm)],[f12,f17]) ).

fof(f198,plain,
    ! [X0] :
      ( theorem(X0)
      | ~ theorem(or(X0,X0)) ),
    inference(resolution,[status(thm)],[f190,f19]) ).

fof(f201,plain,
    ! [X0,X1] :
      ( theorem(or(X0,X1))
      | ~ theorem(X1) ),
    inference(resolution,[status(thm)],[f193,f19]) ).

fof(f256,plain,
    ! [X0,X1] : theorem(implies(or(X0,X1),or(X1,X0))),
    inference(resolution,[status(thm)],[f13,f17]) ).

fof(f280,plain,
    ! [X0,X1,X2] : theorem(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2)))),
    inference(resolution,[status(thm)],[f14,f17]) ).

fof(f300,plain,
    ! [X0,X1] :
      ( theorem(or(X0,X1))
      | ~ theorem(or(X1,X0)) ),
    inference(resolution,[status(thm)],[f256,f19]) ).

fof(f401,plain,
    ! [X0,X1] :
      ( theorem(or(X0,not(X1)))
      | ~ theorem(implies(X1,X0)) ),
    inference(paramodulation,[status(thm)],[f16,f300]) ).

fof(f460,plain,
    ! [X0,X1,X2] :
      ( theorem(or(X0,or(X1,X2)))
      | ~ theorem(or(X1,or(X0,X2))) ),
    inference(resolution,[status(thm)],[f280,f19]) ).

fof(f915,plain,
    ! [X0,X1] : theorem(or(or(X0,X1),not(X1))),
    inference(resolution,[status(thm)],[f401,f193]) ).

fof(f939,plain,
    ! [X0,X1,X2] : theorem(or(X0,or(or(X1,X2),not(X2)))),
    inference(resolution,[status(thm)],[f915,f201]) ).

fof(f1300,plain,
    ! [X0,X1,X2] : theorem(or(or(X0,X1),or(X2,not(X1)))),
    inference(resolution,[status(thm)],[f460,f939]) ).

fof(f1363,plain,
    ! [X0,X1,X2] : theorem(or(or(X0,not(X1)),or(X2,X1))),
    inference(resolution,[status(thm)],[f1300,f300]) ).

fof(f1562,plain,
    ! [X0,X1,X2] : theorem(or(X0,or(or(X1,not(X2)),X2))),
    inference(resolution,[status(thm)],[f1363,f460]) ).

fof(f1716,plain,
    ! [X0,X1] : theorem(or(or(X0,not(X1)),X1)),
    inference(resolution,[status(thm)],[f1562,f198]) ).

fof(f1730,plain,
    ! [X0,X1] : theorem(or(X0,or(X1,not(X0)))),
    inference(resolution,[status(thm)],[f1716,f300]) ).

fof(f1742,plain,
    ! [X0,X1] : theorem(or(X0,or(X1,not(X1)))),
    inference(resolution,[status(thm)],[f1730,f460]) ).

fof(f1777,plain,
    ! [X0] : theorem(or(X0,not(X0))),
    inference(resolution,[status(thm)],[f1742,f198]) ).

fof(f1798,plain,
    ! [X0] : theorem(implies(X0,not(not(X0)))),
    inference(paramodulation,[status(thm)],[f16,f1777]) ).

fof(f1881,plain,
    ! [X0] :
      ( theorem(not(not(X0)))
      | ~ theorem(X0) ),
    inference(resolution,[status(thm)],[f1798,f19]) ).

fof(f1962,plain,
    ! [X0] : theorem(not(not(implies(X0,not(not(X0)))))),
    inference(resolution,[status(thm)],[f1881,f1798]) ).

fof(f1963,plain,
    ! [X0] : theorem(not(and(X0,not(X0)))),
    inference(forward_demodulation,[status(thm)],[f22,f1962]) ).

fof(f1979,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[f21,f1963]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : LCL239-3 : TPTP v8.1.2. Released v2.3.0.
% 0.11/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.12/0.34  % Computer : n019.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 300
% 0.12/0.34  % DateTime : Tue May 30 09:48:55 EDT 2023
% 0.12/0.34  % CPUTime  : 
% 0.12/0.35  % Drodi V3.5.1
% 0.20/0.60  % Refutation found
% 0.20/0.60  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.20/0.60  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.20/0.64  % Elapsed time: 0.279685 seconds
% 0.20/0.64  % CPU time: 1.504746 seconds
% 0.20/0.64  % Memory used: 56.959 MB
%------------------------------------------------------------------------------