TSTP Solution File: LCL301-3 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : LCL301-3 : TPTP v8.1.2. Released v2.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n029.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 12:18:57 EDT 2023

% Result   : Unsatisfiable 0.20s 0.46s
% Output   : CNFRefutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   53 (  41 unt;   0 def)
%            Number of atoms       :   68 (   8 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   33 (  18   ~;  15   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   2 con; 0-2 aty)
%            Number of variables   :   92 (;  92   !;   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,axiom,
    ! [P,Q] : equivalent(P,Q) = and(implies(P,Q),implies(Q,P)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f11,negated_conjecture,
    ~ theorem(equivalent(not(implies(not(p),not(q))),and(not(p),q))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f12,plain,
    ! [X0] : axiom(implies(or(X0,X0),X0)),
    inference(cnf_transformation,[status(esa)],[f1]) ).

fof(f13,plain,
    ! [X0,X1] : axiom(implies(X0,or(X1,X0))),
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f14,plain,
    ! [X0,X1] : axiom(implies(or(X0,X1),or(X1,X0))),
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f15,plain,
    ! [X0,X1,X2] : axiom(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2)))),
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f17,plain,
    ! [X0,X1] : implies(X0,X1) = or(not(X0),X1),
    inference(cnf_transformation,[status(esa)],[f6]) ).

fof(f18,plain,
    ! [X0] :
      ( theorem(X0)
      | ~ axiom(X0) ),
    inference(cnf_transformation,[status(esa)],[f7]) ).

fof(f19,plain,
    ! [Y] :
      ( ! [X] :
          ( theorem(X)
          | ~ theorem(implies(Y,X)) )
      | ~ theorem(Y) ),
    inference(miniscoping,[status(esa)],[f8]) ).

fof(f20,plain,
    ! [X0,X1] :
      ( theorem(X0)
      | ~ theorem(implies(X1,X0))
      | ~ theorem(X1) ),
    inference(cnf_transformation,[status(esa)],[f19]) ).

fof(f21,plain,
    ! [X0,X1] : and(X0,X1) = not(or(not(X0),not(X1))),
    inference(cnf_transformation,[status(esa)],[f9]) ).

fof(f22,plain,
    ! [X0,X1] : equivalent(X0,X1) = and(implies(X0,X1),implies(X1,X0)),
    inference(cnf_transformation,[status(esa)],[f10]) ).

fof(f23,plain,
    ~ theorem(equivalent(not(implies(not(p),not(q))),and(not(p),q))),
    inference(cnf_transformation,[status(esa)],[f11]) ).

fof(f24,plain,
    ! [X0,X1] : and(X0,X1) = not(implies(X0,not(X1))),
    inference(forward_demodulation,[status(thm)],[f17,f21]) ).

fof(f25,plain,
    ~ theorem(equivalent(and(not(p),q),and(not(p),q))),
    inference(backward_demodulation,[status(thm)],[f24,f23]) ).

fof(f27,plain,
    ! [X0,X1,X2] : implies(implies(X0,not(X1)),X2) = or(and(X0,X1),X2),
    inference(paramodulation,[status(thm)],[f24,f17]) ).

fof(f141,plain,
    ! [X0] : theorem(implies(or(X0,X0),X0)),
    inference(resolution,[status(thm)],[f12,f18]) ).

fof(f144,plain,
    ! [X0,X1] : theorem(implies(X0,or(X1,X0))),
    inference(resolution,[status(thm)],[f13,f18]) ).

fof(f148,plain,
    ! [X0] :
      ( theorem(X0)
      | ~ theorem(or(X0,X0)) ),
    inference(resolution,[status(thm)],[f141,f20]) ).

fof(f149,plain,
    ! [X0] : theorem(implies(implies(X0,not(X0)),not(X0))),
    inference(paramodulation,[status(thm)],[f17,f141]) ).

fof(f150,plain,
    ! [X0] : theorem(or(and(X0,X0),not(X0))),
    inference(forward_demodulation,[status(thm)],[f27,f149]) ).

fof(f151,plain,
    ! [X0,X1] :
      ( theorem(or(X0,X1))
      | ~ theorem(X1) ),
    inference(resolution,[status(thm)],[f144,f20]) ).

fof(f198,plain,
    ! [X0,X1] : theorem(implies(or(X0,X1),or(X1,X0))),
    inference(resolution,[status(thm)],[f14,f18]) ).

fof(f217,plain,
    ! [X0,X1,X2] : theorem(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2)))),
    inference(resolution,[status(thm)],[f15,f18]) ).

fof(f235,plain,
    ! [X0,X1] :
      ( theorem(or(X0,X1))
      | ~ theorem(or(X1,X0)) ),
    inference(resolution,[status(thm)],[f198,f20]) ).

fof(f241,plain,
    ! [X0,X1] : theorem(implies(or(X0,not(X1)),implies(X1,X0))),
    inference(paramodulation,[status(thm)],[f17,f198]) ).

fof(f363,plain,
    ! [X0] : theorem(or(not(X0),and(X0,X0))),
    inference(resolution,[status(thm)],[f235,f150]) ).

fof(f364,plain,
    ! [X0] : theorem(implies(X0,and(X0,X0))),
    inference(forward_demodulation,[status(thm)],[f17,f363]) ).

fof(f365,plain,
    ! [X0,X1] :
      ( theorem(or(X0,not(X1)))
      | ~ theorem(implies(X1,X0)) ),
    inference(paramodulation,[status(thm)],[f17,f235]) ).

fof(f373,plain,
    ! [X0] : theorem(implies(implies(X0,X0),equivalent(X0,X0))),
    inference(paramodulation,[status(thm)],[f22,f364]) ).

fof(f425,plain,
    ! [X0,X1,X2] :
      ( theorem(or(X0,or(X1,X2)))
      | ~ theorem(or(X1,or(X0,X2))) ),
    inference(resolution,[status(thm)],[f217,f20]) ).

fof(f512,plain,
    ! [X0] :
      ( theorem(equivalent(X0,X0))
      | ~ theorem(implies(X0,X0)) ),
    inference(resolution,[status(thm)],[f373,f20]) ).

fof(f677,plain,
    ! [X0,X1] :
      ( theorem(implies(X0,X1))
      | ~ theorem(or(X1,not(X0))) ),
    inference(resolution,[status(thm)],[f241,f20]) ).

fof(f716,plain,
    ! [X0,X1] : theorem(or(or(X0,X1),not(X1))),
    inference(resolution,[status(thm)],[f365,f144]) ).

fof(f781,plain,
    ! [X0,X1,X2] : theorem(or(X0,or(or(X1,X2),not(X2)))),
    inference(resolution,[status(thm)],[f716,f151]) ).

fof(f1284,plain,
    ! [X0,X1,X2] : theorem(or(or(X0,X1),or(X2,not(X1)))),
    inference(resolution,[status(thm)],[f425,f781]) ).

fof(f1307,plain,
    ! [X0,X1,X2] : theorem(or(or(X0,not(X1)),or(X2,X1))),
    inference(resolution,[status(thm)],[f1284,f235]) ).

fof(f1545,plain,
    ! [X0,X1,X2] : theorem(or(X0,or(or(X1,not(X2)),X2))),
    inference(resolution,[status(thm)],[f1307,f425]) ).

fof(f1714,plain,
    ! [X0,X1] : theorem(or(or(X0,not(X1)),X1)),
    inference(resolution,[status(thm)],[f1545,f148]) ).

fof(f1728,plain,
    ! [X0,X1] : theorem(or(X0,or(X1,not(X0)))),
    inference(resolution,[status(thm)],[f1714,f235]) ).

fof(f1740,plain,
    ! [X0,X1] : theorem(or(X0,or(X1,not(X1)))),
    inference(resolution,[status(thm)],[f1728,f425]) ).

fof(f1774,plain,
    ! [X0] : theorem(or(X0,not(X0))),
    inference(resolution,[status(thm)],[f1740,f148]) ).

fof(f1787,plain,
    ! [X0] : theorem(implies(X0,X0)),
    inference(resolution,[status(thm)],[f1774,f677]) ).

fof(f1800,plain,
    ! [X0] : theorem(equivalent(X0,X0)),
    inference(backward_subsumption_resolution,[status(thm)],[f512,f1787]) ).

fof(f1829,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[f25,f1800]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : LCL301-3 : TPTP v8.1.2. Released v2.3.0.
% 0.03/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.14/0.34  % Computer : n029.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 300
% 0.14/0.34  % DateTime : Tue May 30 10:01:37 EDT 2023
% 0.14/0.34  % CPUTime  : 
% 0.14/0.35  % Drodi V3.5.1
% 0.20/0.46  % Refutation found
% 0.20/0.46  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.20/0.46  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.20/0.49  % Elapsed time: 0.143983 seconds
% 0.20/0.49  % CPU time: 0.568044 seconds
% 0.20/0.49  % Memory used: 44.895 MB
%------------------------------------------------------------------------------