TSTP Solution File: LCL068-1 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : LCL068-1 : TPTP v8.1.2. Bugfixed v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n027.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 12:18:09 EDT 2023

% Result   : Unsatisfiable 42.93s 5.83s
% Output   : CNFRefutation 43.62s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   28
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   66 (  24 unt;   0 def)
%            Number of atoms       :  121 (   0 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :  110 (  55   ~;  53   |;   0   &)
%                                         (   2 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    4 (   3 usr;   3 prp; 0-1 aty)
%            Number of functors    :    3 (   3 usr;   1 con; 0-2 aty)
%            Number of variables   :  127 (; 127   !;   0   ?)

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

fof(f2,axiom,
    ! [X,Y,Z] : is_a_theorem(implies(implies(implies(X,Y),Z),implies(Y,Z))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [X,Y,Z] : is_a_theorem(implies(implies(implies(X,Y),Z),implies(not(X),Z))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f4,axiom,
    ! [X,Z,Y] : is_a_theorem(implies(implies(not(X),Z),implies(implies(Y,Z),implies(implies(X,Y),Z)))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f5,negated_conjecture,
    ~ is_a_theorem(implies(implies(not(a),a),a)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f6,plain,
    ! [Y] :
      ( ! [X] :
          ( ~ is_a_theorem(implies(X,Y))
          | ~ is_a_theorem(X) )
      | is_a_theorem(Y) ),
    inference(miniscoping,[status(esa)],[f1]) ).

fof(f7,plain,
    ! [X0,X1] :
      ( ~ is_a_theorem(implies(X0,X1))
      | ~ is_a_theorem(X0)
      | is_a_theorem(X1) ),
    inference(cnf_transformation,[status(esa)],[f6]) ).

fof(f8,plain,
    ! [X0,X1,X2] : is_a_theorem(implies(implies(implies(X0,X1),X2),implies(X1,X2))),
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f9,plain,
    ! [X0,X1,X2] : is_a_theorem(implies(implies(implies(X0,X1),X2),implies(not(X0),X2))),
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f10,plain,
    ! [X0,X1,X2] : is_a_theorem(implies(implies(not(X0),X1),implies(implies(X2,X1),implies(implies(X0,X2),X1)))),
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f11,plain,
    ~ is_a_theorem(implies(implies(not(a),a),a)),
    inference(cnf_transformation,[status(esa)],[f5]) ).

fof(f12,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(implies(implies(X0,X1),X2))
      | is_a_theorem(implies(X1,X2)) ),
    inference(resolution,[status(thm)],[f8,f7]) ).

fof(f13,plain,
    ! [X0,X1] : is_a_theorem(implies(X0,implies(X1,X0))),
    inference(resolution,[status(thm)],[f12,f8]) ).

fof(f14,plain,
    ! [X0,X1,X2] : is_a_theorem(implies(X0,implies(X1,implies(X2,X0)))),
    inference(resolution,[status(thm)],[f13,f12]) ).

fof(f17,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(implies(implies(X0,X1),X2))
      | is_a_theorem(implies(not(X0),X2)) ),
    inference(resolution,[status(thm)],[f9,f7]) ).

fof(f56,plain,
    ! [X0,X1,X2] : is_a_theorem(implies(not(implies(X0,X1)),implies(not(X0),X2))),
    inference(resolution,[status(thm)],[f17,f9]) ).

fof(f57,plain,
    ! [X0,X1,X2] : is_a_theorem(implies(not(implies(X0,X1)),implies(X1,X2))),
    inference(resolution,[status(thm)],[f17,f8]) ).

fof(f108,plain,
    ! [X0,X1,X2] : is_a_theorem(implies(not(not(X0)),implies(implies(X1,X2),implies(implies(X0,X1),X2)))),
    inference(resolution,[status(thm)],[f10,f17]) ).

fof(f110,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(implies(not(X0),X1))
      | is_a_theorem(implies(implies(X2,X1),implies(implies(X0,X2),X1))) ),
    inference(resolution,[status(thm)],[f10,f7]) ).

fof(f113,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(implies(not(X0),X1))
      | ~ is_a_theorem(implies(X2,X1))
      | is_a_theorem(implies(implies(X0,X2),X1)) ),
    inference(resolution,[status(thm)],[f110,f7]) ).

fof(f131,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(not(not(X0)))
      | is_a_theorem(implies(implies(X1,X2),implies(implies(X0,X1),X2))) ),
    inference(resolution,[status(thm)],[f108,f7]) ).

fof(f247,plain,
    ( spl0_17
  <=> is_a_theorem(implies(a,a)) ),
    introduced(split_symbol_definition) ).

fof(f249,plain,
    ( ~ is_a_theorem(implies(a,a))
    | spl0_17 ),
    inference(component_clause,[status(thm)],[f247]) ).

fof(f258,plain,
    ( spl0_19
  <=> is_a_theorem(implies(not(not(a)),a)) ),
    introduced(split_symbol_definition) ).

fof(f260,plain,
    ( ~ is_a_theorem(implies(not(not(a)),a))
    | spl0_19 ),
    inference(component_clause,[status(thm)],[f258]) ).

fof(f269,plain,
    ( ~ is_a_theorem(implies(not(not(a)),a))
    | ~ is_a_theorem(implies(a,a)) ),
    inference(resolution,[status(thm)],[f113,f11]) ).

fof(f270,plain,
    ( ~ spl0_19
    | ~ spl0_17 ),
    inference(split_clause,[status(thm)],[f269,f258,f247]) ).

fof(f271,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(implies(not(X0),X1))
      | ~ is_a_theorem(implies(X2,X1))
      | ~ is_a_theorem(implies(X0,X2))
      | is_a_theorem(X1) ),
    inference(resolution,[status(thm)],[f113,f7]) ).

fof(f274,plain,
    ! [X0,X1,X2,X3] :
      ( ~ is_a_theorem(implies(X0,implies(X1,X2)))
      | ~ is_a_theorem(implies(implies(X3,X1),X0))
      | is_a_theorem(implies(X1,X2)) ),
    inference(resolution,[status(thm)],[f271,f57]) ).

fof(f287,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(implies(X0,implies(X1,not(X2))))
      | ~ is_a_theorem(implies(X2,X0))
      | is_a_theorem(implies(X1,not(X2))) ),
    inference(resolution,[status(thm)],[f271,f13]) ).

fof(f294,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(implies(implies(X0,X1),implies(X1,X2)))
      | is_a_theorem(implies(X1,X2)) ),
    inference(resolution,[status(thm)],[f274,f8]) ).

fof(f309,plain,
    ! [X0] : is_a_theorem(implies(X0,X0)),
    inference(resolution,[status(thm)],[f294,f8]) ).

fof(f325,plain,
    ! [X0,X1] : is_a_theorem(implies(not(X0),implies(X0,X1))),
    inference(resolution,[status(thm)],[f309,f17]) ).

fof(f327,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(implies(X0,implies(X1,X2)))
      | ~ is_a_theorem(implies(X1,X0))
      | is_a_theorem(implies(X1,X2)) ),
    inference(resolution,[status(thm)],[f325,f271]) ).

fof(f381,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(implies(X0,X1))
      | is_a_theorem(implies(X0,implies(X2,X1))) ),
    inference(resolution,[status(thm)],[f327,f14]) ).

fof(f382,plain,
    ! [X0,X1] :
      ( ~ is_a_theorem(implies(X0,implies(X0,X1)))
      | is_a_theorem(implies(X0,X1)) ),
    inference(resolution,[status(thm)],[f327,f309]) ).

fof(f392,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(implies(X0,X1))
      | ~ is_a_theorem(X0)
      | is_a_theorem(implies(X2,X1)) ),
    inference(resolution,[status(thm)],[f381,f7]) ).

fof(f394,plain,
    ! [X0] :
      ( is_a_theorem(implies(implies(X0,X0),X0))
      | ~ is_a_theorem(implies(not(X0),X0)) ),
    inference(resolution,[status(thm)],[f382,f110]) ).

fof(f449,plain,
    ! [X0,X1] :
      ( ~ is_a_theorem(implies(not(X0),X0))
      | ~ is_a_theorem(implies(X0,X0))
      | is_a_theorem(implies(X1,X0)) ),
    inference(resolution,[status(thm)],[f394,f392]) ).

fof(f450,plain,
    ! [X0,X1] :
      ( ~ is_a_theorem(implies(not(X0),X0))
      | is_a_theorem(implies(X1,X0)) ),
    inference(forward_subsumption_resolution,[status(thm)],[f449,f309]) ).

fof(f451,plain,
    ! [X0] :
      ( ~ is_a_theorem(implies(not(X0),X0))
      | ~ is_a_theorem(implies(X0,X0))
      | is_a_theorem(X0) ),
    inference(resolution,[status(thm)],[f394,f7]) ).

fof(f452,plain,
    ! [X0] :
      ( ~ is_a_theorem(implies(not(X0),X0))
      | is_a_theorem(X0) ),
    inference(forward_subsumption_resolution,[status(thm)],[f451,f309]) ).

fof(f680,plain,
    ! [X0,X1] :
      ( is_a_theorem(implies(X0,X1))
      | ~ is_a_theorem(implies(not(implies(X0,X1)),X1)) ),
    inference(resolution,[status(thm)],[f452,f381]) ).

fof(f681,plain,
    ! [X0,X1] : is_a_theorem(implies(X0,implies(X1,X1))),
    inference(resolution,[status(thm)],[f450,f57]) ).

fof(f700,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(implies(implies(X0,X0),implies(X1,X2)))
      | is_a_theorem(implies(X1,X2)) ),
    inference(resolution,[status(thm)],[f681,f274]) ).

fof(f718,plain,
    ! [X0,X1] : is_a_theorem(implies(X0,implies(not(X0),X1))),
    inference(resolution,[status(thm)],[f680,f56]) ).

fof(f733,plain,
    ! [X0,X1] :
      ( ~ is_a_theorem(implies(not(X0),X0))
      | is_a_theorem(implies(not(X0),X1)) ),
    inference(resolution,[status(thm)],[f718,f327]) ).

fof(f884,plain,
    ! [X0,X1] : is_a_theorem(implies(not(implies(X0,X0)),X1)),
    inference(resolution,[status(thm)],[f733,f57]) ).

fof(f909,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(implies(X0,not(implies(X1,X1))))
      | is_a_theorem(implies(X0,X2)) ),
    inference(resolution,[status(thm)],[f884,f327]) ).

fof(f1248,plain,
    ! [X0,X1] :
      ( ~ is_a_theorem(implies(X0,X1))
      | is_a_theorem(implies(not(X1),not(X0))) ),
    inference(resolution,[status(thm)],[f287,f718]) ).

fof(f1860,plain,
    ( $false
    | spl0_17 ),
    inference(forward_subsumption_resolution,[status(thm)],[f249,f309]) ).

fof(f1861,plain,
    spl0_17,
    inference(contradiction_clause,[status(thm)],[f1860]) ).

fof(f1883,plain,
    ! [X0] :
      ( ~ is_a_theorem(implies(X0,not(X0)))
      | is_a_theorem(not(X0)) ),
    inference(resolution,[status(thm)],[f1248,f452]) ).

fof(f1886,plain,
    ! [X0] :
      ( is_a_theorem(not(not(X0)))
      | ~ is_a_theorem(implies(not(X0),X0)) ),
    inference(resolution,[status(thm)],[f1883,f1248]) ).

fof(f3201,plain,
    ! [X0,X1,X2] :
      ( is_a_theorem(implies(not(X0),X1))
      | ~ is_a_theorem(implies(implies(X2,X2),X0)) ),
    inference(resolution,[status(thm)],[f909,f1248]) ).

fof(f4389,plain,
    ! [X0,X1,X2] : is_a_theorem(implies(not(implies(X0,implies(X1,X0))),X2)),
    inference(resolution,[status(thm)],[f3201,f8]) ).

fof(f4435,plain,
    ! [X0,X1] : is_a_theorem(not(not(implies(X0,implies(X1,X0))))),
    inference(resolution,[status(thm)],[f4389,f1886]) ).

fof(f7239,plain,
    ! [X0,X1] :
      ( is_a_theorem(implies(implies(X0,X1),X1))
      | ~ is_a_theorem(not(not(X0))) ),
    inference(resolution,[status(thm)],[f700,f131]) ).

fof(f7241,plain,
    ! [X0,X1] :
      ( is_a_theorem(implies(implies(X0,X1),X1))
      | ~ is_a_theorem(implies(not(X0),X1)) ),
    inference(resolution,[status(thm)],[f700,f110]) ).

fof(f7403,plain,
    ! [X0,X1] :
      ( ~ is_a_theorem(not(not(X0)))
      | ~ is_a_theorem(implies(X0,X1))
      | is_a_theorem(X1) ),
    inference(resolution,[status(thm)],[f7239,f7]) ).

fof(f7419,plain,
    ! [X0,X1,X2] :
      ( ~ is_a_theorem(implies(implies(X0,implies(X1,X0)),X2))
      | is_a_theorem(X2) ),
    inference(resolution,[status(thm)],[f7403,f4435]) ).

fof(f8016,plain,
    ! [X0,X1] :
      ( ~ is_a_theorem(implies(not(X0),implies(X1,X0)))
      | is_a_theorem(implies(X1,X0)) ),
    inference(resolution,[status(thm)],[f7241,f7419]) ).

fof(f8186,plain,
    ! [X0] : is_a_theorem(implies(not(not(X0)),X0)),
    inference(resolution,[status(thm)],[f8016,f718]) ).

fof(f8212,plain,
    ( $false
    | spl0_19 ),
    inference(backward_subsumption_resolution,[status(thm)],[f260,f8186]) ).

fof(f8213,plain,
    spl0_19,
    inference(contradiction_clause,[status(thm)],[f8212]) ).

fof(f8214,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f270,f1861,f8213]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : LCL068-1 : TPTP v8.1.2. Bugfixed v1.2.0.
% 0.04/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.14/0.34  % Computer : n027.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 10:05:18 EDT 2023
% 0.14/0.34  % CPUTime  : 
% 0.14/0.35  % Drodi V3.5.1
% 42.93/5.83  % Refutation found
% 42.93/5.83  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 42.93/5.83  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 43.96/5.94  % Elapsed time: 5.579973 seconds
% 43.96/5.94  % CPU time: 44.202002 seconds
% 43.96/5.94  % Memory used: 613.352 MB
%------------------------------------------------------------------------------