TSTP Solution File: SWC102+1 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SWC102+1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n007.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 12:39:15 EDT 2023

% Result   : Theorem 0.11s 0.28s
% Output   : CNFRefutation 0.11s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   28 (  11 unt;   0 def)
%            Number of atoms       :   77 (  17 equ)
%            Maximal formula atoms :   10 (   2 avg)
%            Number of connectives :   72 (  23   ~;  20   |;  18   &)
%                                         (   2 <=>;   9  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   15 (   4 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    7 (   5 usr;   3 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   5 con; 0-0 aty)
%            Number of variables   :   15 (;  11   !;   4   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f42,axiom,
    ! [U] :
      ( ssList(U)
     => frontsegP(U,U) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f96,conjecture,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssList(V)
         => ! [W] :
              ( ssList(W)
             => ! [X] :
                  ( ssList(X)
                 => ( V != X
                    | U != W
                    | X != W
                    | ~ neq(V,nil)
                    | ( neq(U,nil)
                      & frontsegP(V,U) ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f97,negated_conjecture,
    ~ ! [U] :
        ( ssList(U)
       => ! [V] :
            ( ssList(V)
           => ! [W] :
                ( ssList(W)
               => ! [X] :
                    ( ssList(X)
                   => ( V != X
                      | U != W
                      | X != W
                      | ~ neq(V,nil)
                      | ( neq(U,nil)
                        & frontsegP(V,U) ) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f96]) ).

fof(f285,plain,
    ! [U] :
      ( ~ ssList(U)
      | frontsegP(U,U) ),
    inference(pre_NNF_transformation,[status(esa)],[f42]) ).

fof(f286,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | frontsegP(X0,X0) ),
    inference(cnf_transformation,[status(esa)],[f285]) ).

fof(f415,plain,
    ? [U] :
      ( ssList(U)
      & ? [V] :
          ( ssList(V)
          & ? [W] :
              ( ssList(W)
              & ? [X] :
                  ( ssList(X)
                  & V = X
                  & U = W
                  & X = W
                  & neq(V,nil)
                  & ( ~ neq(U,nil)
                    | ~ frontsegP(V,U) ) ) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f97]) ).

fof(f416,plain,
    ( ssList(sk0_47)
    & ssList(sk0_48)
    & ssList(sk0_49)
    & ssList(sk0_50)
    & sk0_48 = sk0_50
    & sk0_47 = sk0_49
    & sk0_50 = sk0_49
    & neq(sk0_48,nil)
    & ( ~ neq(sk0_47,nil)
      | ~ frontsegP(sk0_48,sk0_47) ) ),
    inference(skolemization,[status(esa)],[f415]) ).

fof(f417,plain,
    ssList(sk0_47),
    inference(cnf_transformation,[status(esa)],[f416]) ).

fof(f421,plain,
    sk0_48 = sk0_50,
    inference(cnf_transformation,[status(esa)],[f416]) ).

fof(f422,plain,
    sk0_47 = sk0_49,
    inference(cnf_transformation,[status(esa)],[f416]) ).

fof(f423,plain,
    sk0_50 = sk0_49,
    inference(cnf_transformation,[status(esa)],[f416]) ).

fof(f424,plain,
    neq(sk0_48,nil),
    inference(cnf_transformation,[status(esa)],[f416]) ).

fof(f425,plain,
    ( ~ neq(sk0_47,nil)
    | ~ frontsegP(sk0_48,sk0_47) ),
    inference(cnf_transformation,[status(esa)],[f416]) ).

fof(f426,plain,
    ( spl0_0
  <=> neq(sk0_47,nil) ),
    introduced(split_symbol_definition) ).

fof(f428,plain,
    ( ~ neq(sk0_47,nil)
    | spl0_0 ),
    inference(component_clause,[status(thm)],[f426]) ).

fof(f429,plain,
    ( spl0_1
  <=> frontsegP(sk0_48,sk0_47) ),
    introduced(split_symbol_definition) ).

fof(f431,plain,
    ( ~ frontsegP(sk0_48,sk0_47)
    | spl0_1 ),
    inference(component_clause,[status(thm)],[f429]) ).

fof(f432,plain,
    ( ~ spl0_0
    | ~ spl0_1 ),
    inference(split_clause,[status(thm)],[f425,f426,f429]) ).

fof(f465,plain,
    sk0_48 = sk0_49,
    inference(forward_demodulation,[status(thm)],[f421,f423]) ).

fof(f466,plain,
    sk0_48 = sk0_47,
    inference(forward_demodulation,[status(thm)],[f422,f465]) ).

fof(f469,plain,
    neq(sk0_47,nil),
    inference(forward_demodulation,[status(thm)],[f466,f424]) ).

fof(f482,plain,
    ( $false
    | spl0_0 ),
    inference(forward_subsumption_resolution,[status(thm)],[f428,f469]) ).

fof(f483,plain,
    spl0_0,
    inference(contradiction_clause,[status(thm)],[f482]) ).

fof(f484,plain,
    ( ~ frontsegP(sk0_47,sk0_47)
    | spl0_1 ),
    inference(forward_demodulation,[status(thm)],[f466,f431]) ).

fof(f485,plain,
    ( ~ ssList(sk0_47)
    | spl0_1 ),
    inference(resolution,[status(thm)],[f484,f286]) ).

fof(f486,plain,
    ( $false
    | spl0_1 ),
    inference(forward_subsumption_resolution,[status(thm)],[f485,f417]) ).

fof(f487,plain,
    spl0_1,
    inference(contradiction_clause,[status(thm)],[f486]) ).

fof(f488,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f432,f483,f487]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.07  % Problem  : SWC102+1 : TPTP v8.1.2. Released v2.4.0.
% 0.02/0.07  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.07/0.26  % Computer : n007.cluster.edu
% 0.07/0.26  % Model    : x86_64 x86_64
% 0.07/0.26  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.26  % Memory   : 8042.1875MB
% 0.07/0.26  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.07/0.26  % CPULimit : 300
% 0.07/0.26  % WCLimit  : 300
% 0.07/0.26  % DateTime : Tue May 30 11:10:01 EDT 2023
% 0.07/0.26  % CPUTime  : 
% 0.11/0.27  % Drodi V3.5.1
% 0.11/0.28  % Refutation found
% 0.11/0.28  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.11/0.28  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.11/0.28  % Elapsed time: 0.017547 seconds
% 0.11/0.28  % CPU time: 0.027679 seconds
% 0.11/0.28  % Memory used: 16.071 MB
%------------------------------------------------------------------------------