TSTP Solution File: SWC367+1 by Drodi---3.5.1

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%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SWC367+1 : TPTP v8.1.2. Released v2.4.0.
% 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 12:40:13 EDT 2023

% Result   : Theorem 0.14s 0.33s
% Output   : CNFRefutation 0.14s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   40 (   8 unt;   0 def)
%            Number of atoms       :  117 (  26 equ)
%            Maximal formula atoms :   11 (   2 avg)
%            Number of connectives :  118 (  41   ~;  35   |;  29   &)
%                                         (   3 <=>;  10  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   16 (   4 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    9 (   7 usr;   4 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   5 con; 0-0 aty)
%            Number of variables   :   27 (;  19   !;   8   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f17,axiom,
    ssList(nil),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f51,axiom,
    ! [U] :
      ( ssList(U)
     => rearsegP(U,nil) ),
    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
                    | rearsegP(V,U)
                    | ( ( nil != X
                        | nil != W )
                      & ( ~ neq(W,nil)
                        | ~ rearsegP(X,W) ) ) ) ) ) ) ),
    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
                      | rearsegP(V,U)
                      | ( ( nil != X
                          | nil != W )
                        & ( ~ neq(W,nil)
                          | ~ rearsegP(X,W) ) ) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f96]) ).

fof(f223,plain,
    ssList(nil),
    inference(cnf_transformation,[status(esa)],[f17]) ).

fof(f308,plain,
    ! [U] :
      ( ~ ssList(U)
      | rearsegP(U,nil) ),
    inference(pre_NNF_transformation,[status(esa)],[f51]) ).

fof(f309,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | rearsegP(X0,nil) ),
    inference(cnf_transformation,[status(esa)],[f308]) ).

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

fof(f416,plain,
    ! [W,X] :
      ( pd0_0(X,W)
     => ( nil = X
        & nil = W ) ),
    introduced(predicate_definition,[f415]) ).

fof(f417,plain,
    ? [U] :
      ( ssList(U)
      & ? [V] :
          ( ssList(V)
          & ? [W] :
              ( ssList(W)
              & ? [X] :
                  ( ssList(X)
                  & V = X
                  & U = W
                  & ~ rearsegP(V,U)
                  & ( pd0_0(X,W)
                    | ( neq(W,nil)
                      & rearsegP(X,W) ) ) ) ) ) ),
    inference(formula_renaming,[status(thm)],[f415,f416]) ).

fof(f418,plain,
    ( ssList(sk0_47)
    & ssList(sk0_48)
    & ssList(sk0_49)
    & ssList(sk0_50)
    & sk0_48 = sk0_50
    & sk0_47 = sk0_49
    & ~ rearsegP(sk0_48,sk0_47)
    & ( pd0_0(sk0_50,sk0_49)
      | ( neq(sk0_49,nil)
        & rearsegP(sk0_50,sk0_49) ) ) ),
    inference(skolemization,[status(esa)],[f417]) ).

fof(f423,plain,
    sk0_48 = sk0_50,
    inference(cnf_transformation,[status(esa)],[f418]) ).

fof(f424,plain,
    sk0_47 = sk0_49,
    inference(cnf_transformation,[status(esa)],[f418]) ).

fof(f425,plain,
    ~ rearsegP(sk0_48,sk0_47),
    inference(cnf_transformation,[status(esa)],[f418]) ).

fof(f427,plain,
    ( pd0_0(sk0_50,sk0_49)
    | rearsegP(sk0_50,sk0_49) ),
    inference(cnf_transformation,[status(esa)],[f418]) ).

fof(f428,plain,
    ! [W,X] :
      ( ~ pd0_0(X,W)
      | ( nil = X
        & nil = W ) ),
    inference(pre_NNF_transformation,[status(esa)],[f416]) ).

fof(f429,plain,
    ! [X0,X1] :
      ( ~ pd0_0(X0,X1)
      | nil = X0 ),
    inference(cnf_transformation,[status(esa)],[f428]) ).

fof(f430,plain,
    ! [X0,X1] :
      ( ~ pd0_0(X0,X1)
      | nil = X1 ),
    inference(cnf_transformation,[status(esa)],[f428]) ).

fof(f431,plain,
    ( spl0_0
  <=> pd0_0(sk0_50,sk0_49) ),
    introduced(split_symbol_definition) ).

fof(f432,plain,
    ( pd0_0(sk0_50,sk0_49)
    | ~ spl0_0 ),
    inference(component_clause,[status(thm)],[f431]) ).

fof(f438,plain,
    ( spl0_2
  <=> rearsegP(sk0_50,sk0_49) ),
    introduced(split_symbol_definition) ).

fof(f439,plain,
    ( rearsegP(sk0_50,sk0_49)
    | ~ spl0_2 ),
    inference(component_clause,[status(thm)],[f438]) ).

fof(f441,plain,
    ( spl0_0
    | spl0_2 ),
    inference(split_clause,[status(thm)],[f427,f431,f438]) ).

fof(f474,plain,
    ( spl0_3
  <=> ssList(nil) ),
    introduced(split_symbol_definition) ).

fof(f476,plain,
    ( ~ ssList(nil)
    | spl0_3 ),
    inference(component_clause,[status(thm)],[f474]) ).

fof(f484,plain,
    ( $false
    | spl0_3 ),
    inference(forward_subsumption_resolution,[status(thm)],[f476,f223]) ).

fof(f485,plain,
    spl0_3,
    inference(contradiction_clause,[status(thm)],[f484]) ).

fof(f490,plain,
    ( pd0_0(sk0_48,sk0_49)
    | ~ spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f423,f432]) ).

fof(f491,plain,
    ( pd0_0(sk0_48,sk0_47)
    | ~ spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f424,f490]) ).

fof(f492,plain,
    ( nil = sk0_47
    | ~ spl0_0 ),
    inference(resolution,[status(thm)],[f491,f430]) ).

fof(f493,plain,
    ( nil = sk0_48
    | ~ spl0_0 ),
    inference(resolution,[status(thm)],[f491,f429]) ).

fof(f495,plain,
    ( ~ rearsegP(sk0_48,nil)
    | ~ spl0_0 ),
    inference(backward_demodulation,[status(thm)],[f492,f425]) ).

fof(f501,plain,
    ( ~ rearsegP(nil,nil)
    | ~ spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f493,f495]) ).

fof(f502,plain,
    ( ~ ssList(nil)
    | ~ spl0_0 ),
    inference(resolution,[status(thm)],[f501,f309]) ).

fof(f503,plain,
    ( ~ spl0_3
    | ~ spl0_0 ),
    inference(split_clause,[status(thm)],[f502,f474,f431]) ).

fof(f507,plain,
    ( rearsegP(sk0_48,sk0_49)
    | ~ spl0_2 ),
    inference(backward_demodulation,[status(thm)],[f423,f439]) ).

fof(f508,plain,
    ( rearsegP(sk0_48,sk0_47)
    | ~ spl0_2 ),
    inference(backward_demodulation,[status(thm)],[f424,f507]) ).

fof(f511,plain,
    ( $false
    | ~ spl0_2 ),
    inference(forward_subsumption_resolution,[status(thm)],[f425,f508]) ).

fof(f512,plain,
    ~ spl0_2,
    inference(contradiction_clause,[status(thm)],[f511]) ).

fof(f513,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f441,f485,f503,f512]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.10  % Problem  : SWC367+1 : TPTP v8.1.2. Released v2.4.0.
% 0.05/0.10  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.09/0.30  % Computer : n027.cluster.edu
% 0.09/0.30  % Model    : x86_64 x86_64
% 0.09/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.30  % Memory   : 8042.1875MB
% 0.09/0.30  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.30  % CPULimit : 300
% 0.09/0.30  % WCLimit  : 300
% 0.09/0.30  % DateTime : Tue May 30 11:42:32 EDT 2023
% 0.09/0.30  % CPUTime  : 
% 0.14/0.31  % Drodi V3.5.1
% 0.14/0.33  % Refutation found
% 0.14/0.33  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.14/0.33  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.14/0.54  % Elapsed time: 0.021266 seconds
% 0.14/0.54  % CPU time: 0.019101 seconds
% 0.14/0.54  % Memory used: 4.066 MB
%------------------------------------------------------------------------------