TSTP Solution File: LCL272-3 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : LCL272-3 : TPTP v8.1.2. Released v2.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n018.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 12:18:54 EDT 2023

% Result   : Unsatisfiable 26.71s 3.79s
% Output   : CNFRefutation 27.39s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   76 (  48 unt;   0 def)
%            Number of atoms       :  110 (   8 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   70 (  36   ~;  34   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   4 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   1 con; 0-2 aty)
%            Number of variables   :  149 (; 149   !;   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(f5,axiom,
    ! [A,B,C] : axiom(implies(implies(A,B),implies(or(C,A),or(C,B)))),
    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(p,or(p,p))),
    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(f16,plain,
    ! [X0,X1,X2] : axiom(implies(implies(X0,X1),implies(or(X2,X0),or(X2,X1)))),
    inference(cnf_transformation,[status(esa)],[f5]) ).

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(p,or(p,p))),
    inference(cnf_transformation,[status(esa)],[f11]) ).

fof(f24,plain,
    ! [X0] : theorem(implies(or(X0,X0),X0)),
    inference(resolution,[status(thm)],[f12,f18]) ).

fof(f26,plain,
    ! [X0] :
      ( theorem(X0)
      | ~ theorem(or(X0,X0)) ),
    inference(resolution,[status(thm)],[f24,f20]) ).

fof(f30,plain,
    ! [X0,X1] : theorem(implies(X0,or(X1,X0))),
    inference(resolution,[status(thm)],[f13,f18]) ).

fof(f44,plain,
    ! [X0,X1] : theorem(implies(or(X0,X1),or(X1,X0))),
    inference(resolution,[status(thm)],[f14,f18]) ).

fof(f45,plain,
    ! [X0,X1] : axiom(implies(implies(X0,X1),or(X1,not(X0)))),
    inference(paramodulation,[status(thm)],[f17,f14]) ).

fof(f48,plain,
    ! [X0,X1] :
      ( theorem(or(X0,X1))
      | ~ theorem(or(X1,X0)) ),
    inference(resolution,[status(thm)],[f44,f20]) ).

fof(f49,plain,
    ! [X0,X1] : theorem(implies(implies(X0,X1),or(X1,not(X0)))),
    inference(paramodulation,[status(thm)],[f17,f44]) ).

fof(f50,plain,
    ! [X0,X1] : theorem(implies(or(X0,not(X1)),implies(X1,X0))),
    inference(paramodulation,[status(thm)],[f17,f44]) ).

fof(f52,plain,
    ! [X0,X1] :
      ( theorem(or(X0,not(X1)))
      | ~ theorem(implies(X1,X0)) ),
    inference(paramodulation,[status(thm)],[f17,f48]) ).

fof(f57,plain,
    ! [X0,X1] : and(X0,X1) = not(implies(X0,not(X1))),
    inference(forward_demodulation,[status(thm)],[f17,f21]) ).

fof(f70,plain,
    ! [X0,X1,X2] : implies(implies(X0,not(X1)),X2) = or(and(X0,X1),X2),
    inference(paramodulation,[status(thm)],[f57,f17]) ).

fof(f83,plain,
    ! [X0,X1,X2] :
      ( theorem(X0)
      | ~ theorem(or(and(X1,X2),X0))
      | ~ theorem(implies(X1,not(X2))) ),
    inference(paramodulation,[status(thm)],[f70,f20]) ).

fof(f100,plain,
    ! [X0,X1,X2] : theorem(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2)))),
    inference(resolution,[status(thm)],[f15,f18]) ).

fof(f109,plain,
    ! [X0,X1,X2] : theorem(implies(implies(X0,X1),implies(or(X2,X0),or(X2,X1)))),
    inference(resolution,[status(thm)],[f16,f18]) ).

fof(f117,plain,
    ! [X0,X1] : axiom(or(and(X0,X1),or(not(X1),not(X0)))),
    inference(paramodulation,[status(thm)],[f70,f45]) ).

fof(f118,plain,
    ! [X0,X1] : axiom(or(and(X0,X1),implies(X1,not(X0)))),
    inference(forward_demodulation,[status(thm)],[f17,f117]) ).

fof(f126,plain,
    ! [X0,X1] : theorem(or(and(X0,X1),or(not(X1),not(X0)))),
    inference(paramodulation,[status(thm)],[f70,f49]) ).

fof(f127,plain,
    ! [X0,X1] : theorem(or(and(X0,X1),implies(X1,not(X0)))),
    inference(forward_demodulation,[status(thm)],[f17,f126]) ).

fof(f134,plain,
    ! [X0,X1] :
      ( theorem(implies(X0,X1))
      | ~ theorem(or(X1,not(X0))) ),
    inference(resolution,[status(thm)],[f50,f20]) ).

fof(f143,plain,
    ! [X0,X1] :
      ( theorem(implies(X0,not(X1)))
      | ~ theorem(implies(X1,not(X0))) ),
    inference(paramodulation,[status(thm)],[f17,f52]) ).

fof(f190,plain,
    ! [X0,X1,X2] : theorem(implies(or(not(X0),or(X1,X2)),or(X1,implies(X0,X2)))),
    inference(paramodulation,[status(thm)],[f17,f100]) ).

fof(f191,plain,
    ! [X0,X1,X2] : theorem(implies(implies(X0,or(X1,X2)),or(X1,implies(X0,X2)))),
    inference(forward_demodulation,[status(thm)],[f17,f190]) ).

fof(f193,plain,
    ! [X0,X1,X2] : theorem(or(and(X0,X1),implies(or(X2,X0),or(X2,not(X1))))),
    inference(paramodulation,[status(thm)],[f70,f109]) ).

fof(f199,plain,
    ! [X0,X1] : theorem(or(implies(X0,not(X1)),and(X1,X0))),
    inference(resolution,[status(thm)],[f127,f48]) ).

fof(f205,plain,
    ! [X0,X1] :
      ( ~ theorem(or(X0,not(X1)))
      | theorem(X0)
      | ~ theorem(X1) ),
    inference(resolution,[status(thm)],[f134,f20]) ).

fof(f245,plain,
    ! [X0,X1] :
      ( theorem(X0)
      | ~ theorem(implies(X1,X0))
      | ~ axiom(X1) ),
    inference(resolution,[status(thm)],[f20,f18]) ).

fof(f273,plain,
    ! [X0,X1] :
      ( theorem(X0)
      | ~ theorem(implies(implies(or(X1,X1),X1),X0)) ),
    inference(resolution,[status(thm)],[f24,f20]) ).

fof(f298,plain,
    ! [X0,X1,X2] :
      ( theorem(X0)
      | ~ theorem(implies(implies(X1,or(X2,X1)),X0)) ),
    inference(resolution,[status(thm)],[f30,f20]) ).

fof(f393,plain,
    ! [X0,X1,X2] :
      ( theorem(X0)
      | ~ theorem(implies(implies(or(X1,X2),or(X2,X1)),X0)) ),
    inference(resolution,[status(thm)],[f44,f20]) ).

fof(f1272,plain,
    ! [X0,X1] : theorem(or(and(X0,X1),implies(X1,not(X0)))),
    inference(resolution,[status(thm)],[f199,f48]) ).

fof(f1349,plain,
    ! [X0,X1,X2] :
      ( theorem(X0)
      | ~ theorem(implies(or(and(X1,X2),implies(X2,not(X1))),X0)) ),
    inference(resolution,[status(thm)],[f118,f245]) ).

fof(f3368,plain,
    ! [X0,X1] : theorem(or(X0,implies(X1,X1))),
    inference(resolution,[status(thm)],[f298,f191]) ).

fof(f3382,plain,
    ! [X0] : theorem(implies(X0,X0)),
    inference(resolution,[status(thm)],[f3368,f26]) ).

fof(f4417,plain,
    ! [X0,X1] : theorem(or(X0,implies(or(X1,X0),X1))),
    inference(resolution,[status(thm)],[f393,f191]) ).

fof(f4865,plain,
    ! [X0,X1] : theorem(implies(X0,implies(or(X1,not(X0)),X1))),
    inference(paramodulation,[status(thm)],[f17,f4417]) ).

fof(f4882,plain,
    ! [X0,X1] :
      ( theorem(implies(or(X0,not(X1)),X0))
      | ~ axiom(X1) ),
    inference(resolution,[status(thm)],[f4865,f245]) ).

fof(f6872,plain,
    ! [X0,X1] :
      ( theorem(X0)
      | ~ theorem(or(and(not(X1),X1),X0)) ),
    inference(resolution,[status(thm)],[f83,f3382]) ).

fof(f6895,plain,
    ! [X0] : theorem(implies(X0,not(not(X0)))),
    inference(resolution,[status(thm)],[f6872,f1272]) ).

fof(f6983,plain,
    ! [X0,X1] :
      ( theorem(X0)
      | ~ theorem(or(and(X1,not(X1)),X0)) ),
    inference(resolution,[status(thm)],[f6895,f83]) ).

fof(f7561,plain,
    ! [X0,X1] : theorem(implies(or(X0,X1),or(X0,not(not(X1))))),
    inference(resolution,[status(thm)],[f6983,f193]) ).

fof(f11725,plain,
    ! [X0,X1] :
      ( theorem(implies(X0,not(or(not(X0),not(X1)))))
      | ~ axiom(X1) ),
    inference(resolution,[status(thm)],[f143,f4882]) ).

fof(f11726,plain,
    ! [X0,X1] :
      ( theorem(implies(X0,not(implies(X0,not(X1)))))
      | ~ axiom(X1) ),
    inference(forward_demodulation,[status(thm)],[f17,f11725]) ).

fof(f11727,plain,
    ! [X0,X1] :
      ( theorem(implies(X0,and(X0,X1)))
      | ~ axiom(X1) ),
    inference(forward_demodulation,[status(thm)],[f57,f11726]) ).

fof(f11782,plain,
    ! [X0,X1] :
      ( ~ axiom(X0)
      | theorem(and(implies(or(X1,X1),X1),X0)) ),
    inference(resolution,[status(thm)],[f11727,f273]) ).

fof(f12108,plain,
    ! [X0] :
      ( ~ axiom(implies(X0,or(X0,X0)))
      | theorem(equivalent(or(X0,X0),X0)) ),
    inference(paramodulation,[status(thm)],[f22,f11782]) ).

fof(f12109,plain,
    ! [X0] : theorem(equivalent(or(X0,X0),X0)),
    inference(forward_subsumption_resolution,[status(thm)],[f12108,f13]) ).

fof(f19208,plain,
    ! [X0,X1] : theorem(or(and(X0,X1),not(not(implies(X1,not(X0)))))),
    inference(resolution,[status(thm)],[f1349,f7561]) ).

fof(f19209,plain,
    ! [X0,X1] : theorem(or(and(X0,X1),not(and(X1,X0)))),
    inference(forward_demodulation,[status(thm)],[f57,f19208]) ).

fof(f19646,plain,
    ! [X0,X1] :
      ( theorem(and(X0,X1))
      | ~ theorem(and(X1,X0)) ),
    inference(resolution,[status(thm)],[f19209,f205]) ).

fof(f19768,plain,
    ! [X0,X1] :
      ( theorem(and(implies(X0,X1),implies(X1,X0)))
      | ~ theorem(equivalent(X1,X0)) ),
    inference(paramodulation,[status(thm)],[f22,f19646]) ).

fof(f19769,plain,
    ! [X0,X1] :
      ( theorem(equivalent(X0,X1))
      | ~ theorem(equivalent(X1,X0)) ),
    inference(forward_demodulation,[status(thm)],[f22,f19768]) ).

fof(f19772,plain,
    ! [X0] : theorem(equivalent(X0,or(X0,X0))),
    inference(resolution,[status(thm)],[f19769,f12109]) ).

fof(f19775,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[f23,f19772]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : LCL272-3 : TPTP v8.1.2. Released v2.3.0.
% 0.07/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.34  % Computer : n018.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 : Tue May 30 09:54:10 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.13/0.35  % Drodi V3.5.1
% 26.71/3.79  % Refutation found
% 26.71/3.79  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 26.71/3.79  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 27.94/3.91  % Elapsed time: 3.549447 seconds
% 27.94/3.91  % CPU time: 27.837321 seconds
% 27.94/3.91  % Memory used: 522.379 MB
%------------------------------------------------------------------------------