TSTP Solution File: SWC275+1 by Drodi---3.5.1

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%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : SWC275+1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n020.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 12:39:52 EDT 2023

% Result   : Theorem 0.13s 0.36s
% Output   : CNFRefutation 0.13s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   14
% Syntax   : Number of formulae    :   62 (  13 unt;   0 def)
%            Number of atoms       :  172 (  42 equ)
%            Maximal formula atoms :   13 (   2 avg)
%            Number of connectives :  178 (  68   ~;  65   |;  25   &)
%                                         (  11 <=>;   9  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   19 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :   16 (  14 usr;  10 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   6 con; 0-2 aty)
%            Number of variables   :   26 (;  21   !;   5   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f15,axiom,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssList(V)
         => ( neq(U,V)
          <=> U != V ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

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

fof(f65,axiom,
    ! [U] :
      ( ssItem(U)
     => totalorderedP(cons(U,nil)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f66,axiom,
    totalorderedP(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
                  | totalorderedP(U)
                  | ( nil != W
                    & nil = X )
                  | ( ! [Y] :
                        ( ~ ssItem(Y)
                        | cons(Y,nil) != W
                        | ~ memberP(X,Y) )
                    & neq(X,nil) ) ) ) ) ),
    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
                    | totalorderedP(U)
                    | ( nil != W
                      & nil = X )
                    | ( ! [Y] :
                          ( ~ ssItem(Y)
                          | cons(Y,nil) != W
                          | ~ memberP(X,Y) )
                      & neq(X,nil) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f96]) ).

fof(f217,plain,
    ! [U] :
      ( ~ ssList(U)
      | ! [V] :
          ( ~ ssList(V)
          | ( neq(U,V)
          <=> U != V ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f15]) ).

fof(f218,plain,
    ! [U] :
      ( ~ ssList(U)
      | ! [V] :
          ( ~ ssList(V)
          | ( ( ~ neq(U,V)
              | U != V )
            & ( neq(U,V)
              | U = V ) ) ) ),
    inference(NNF_transformation,[status(esa)],[f217]) ).

fof(f220,plain,
    ! [X0,X1] :
      ( ~ ssList(X0)
      | ~ ssList(X1)
      | neq(X0,X1)
      | X0 = X1 ),
    inference(cnf_transformation,[status(esa)],[f218]) ).

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

fof(f337,plain,
    ! [U] :
      ( ~ ssItem(U)
      | totalorderedP(cons(U,nil)) ),
    inference(pre_NNF_transformation,[status(esa)],[f65]) ).

fof(f338,plain,
    ! [X0] :
      ( ~ ssItem(X0)
      | totalorderedP(cons(X0,nil)) ),
    inference(cnf_transformation,[status(esa)],[f337]) ).

fof(f339,plain,
    totalorderedP(nil),
    inference(cnf_transformation,[status(esa)],[f66]) ).

fof(f415,plain,
    ? [U] :
      ( ssList(U)
      & ? [V] :
          ( ssList(V)
          & ? [W] :
              ( ssList(W)
              & ? [X] :
                  ( ssList(X)
                  & V = X
                  & U = W
                  & ~ totalorderedP(U)
                  & ( nil = W
                    | nil != X )
                  & ( ? [Y] :
                        ( ssItem(Y)
                        & cons(Y,nil) = W
                        & memberP(X,Y) )
                    | ~ neq(X,nil) ) ) ) ) ),
    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
    & ~ totalorderedP(sk0_47)
    & ( nil = sk0_49
      | nil != sk0_50 )
    & ( ( ssItem(sk0_51)
        & cons(sk0_51,nil) = sk0_49
        & memberP(sk0_50,sk0_51) )
      | ~ neq(sk0_50,nil) ) ),
    inference(skolemization,[status(esa)],[f415]) ).

fof(f418,plain,
    ssList(sk0_48),
    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,
    ~ totalorderedP(sk0_47),
    inference(cnf_transformation,[status(esa)],[f416]) ).

fof(f424,plain,
    ( nil = sk0_49
    | nil != sk0_50 ),
    inference(cnf_transformation,[status(esa)],[f416]) ).

fof(f425,plain,
    ( ssItem(sk0_51)
    | ~ neq(sk0_50,nil) ),
    inference(cnf_transformation,[status(esa)],[f416]) ).

fof(f426,plain,
    ( cons(sk0_51,nil) = sk0_49
    | ~ neq(sk0_50,nil) ),
    inference(cnf_transformation,[status(esa)],[f416]) ).

fof(f428,plain,
    ( spl0_0
  <=> nil = sk0_49 ),
    introduced(split_symbol_definition) ).

fof(f429,plain,
    ( nil = sk0_49
    | ~ spl0_0 ),
    inference(component_clause,[status(thm)],[f428]) ).

fof(f431,plain,
    ( spl0_1
  <=> nil = sk0_50 ),
    introduced(split_symbol_definition) ).

fof(f433,plain,
    ( nil != sk0_50
    | spl0_1 ),
    inference(component_clause,[status(thm)],[f431]) ).

fof(f434,plain,
    ( spl0_0
    | ~ spl0_1 ),
    inference(split_clause,[status(thm)],[f424,f428,f431]) ).

fof(f435,plain,
    ( spl0_2
  <=> ssItem(sk0_51) ),
    introduced(split_symbol_definition) ).

fof(f438,plain,
    ( spl0_3
  <=> neq(sk0_50,nil) ),
    introduced(split_symbol_definition) ).

fof(f440,plain,
    ( ~ neq(sk0_50,nil)
    | spl0_3 ),
    inference(component_clause,[status(thm)],[f438]) ).

fof(f441,plain,
    ( spl0_2
    | ~ spl0_3 ),
    inference(split_clause,[status(thm)],[f425,f435,f438]) ).

fof(f442,plain,
    ( spl0_4
  <=> cons(sk0_51,nil) = sk0_49 ),
    introduced(split_symbol_definition) ).

fof(f443,plain,
    ( cons(sk0_51,nil) = sk0_49
    | ~ spl0_4 ),
    inference(component_clause,[status(thm)],[f442]) ).

fof(f445,plain,
    ( spl0_4
    | ~ spl0_3 ),
    inference(split_clause,[status(thm)],[f426,f442,f438]) ).

fof(f482,plain,
    ( nil != sk0_48
    | spl0_1 ),
    inference(forward_demodulation,[status(thm)],[f421,f433]) ).

fof(f483,plain,
    ( ~ neq(sk0_48,nil)
    | spl0_3 ),
    inference(forward_demodulation,[status(thm)],[f421,f440]) ).

fof(f484,plain,
    ( spl0_6
  <=> ssList(sk0_48) ),
    introduced(split_symbol_definition) ).

fof(f486,plain,
    ( ~ ssList(sk0_48)
    | spl0_6 ),
    inference(component_clause,[status(thm)],[f484]) ).

fof(f487,plain,
    ( spl0_7
  <=> ssList(nil) ),
    introduced(split_symbol_definition) ).

fof(f489,plain,
    ( ~ ssList(nil)
    | spl0_7 ),
    inference(component_clause,[status(thm)],[f487]) ).

fof(f490,plain,
    ( spl0_8
  <=> sk0_48 = nil ),
    introduced(split_symbol_definition) ).

fof(f491,plain,
    ( sk0_48 = nil
    | ~ spl0_8 ),
    inference(component_clause,[status(thm)],[f490]) ).

fof(f493,plain,
    ( ~ ssList(sk0_48)
    | ~ ssList(nil)
    | sk0_48 = nil
    | spl0_3 ),
    inference(resolution,[status(thm)],[f483,f220]) ).

fof(f494,plain,
    ( ~ spl0_6
    | ~ spl0_7
    | spl0_8
    | spl0_3 ),
    inference(split_clause,[status(thm)],[f493,f484,f487,f490,f438]) ).

fof(f503,plain,
    ( $false
    | spl0_7 ),
    inference(forward_subsumption_resolution,[status(thm)],[f489,f223]) ).

fof(f504,plain,
    spl0_7,
    inference(contradiction_clause,[status(thm)],[f503]) ).

fof(f505,plain,
    ( $false
    | spl0_6 ),
    inference(forward_subsumption_resolution,[status(thm)],[f486,f418]) ).

fof(f506,plain,
    spl0_6,
    inference(contradiction_clause,[status(thm)],[f505]) ).

fof(f507,plain,
    ( cons(sk0_51,nil) = sk0_47
    | ~ spl0_4 ),
    inference(forward_demodulation,[status(thm)],[f422,f443]) ).

fof(f510,plain,
    ( spl0_11
  <=> totalorderedP(sk0_47) ),
    introduced(split_symbol_definition) ).

fof(f511,plain,
    ( totalorderedP(sk0_47)
    | ~ spl0_11 ),
    inference(component_clause,[status(thm)],[f510]) ).

fof(f513,plain,
    ( ~ ssItem(sk0_51)
    | totalorderedP(sk0_47)
    | ~ spl0_4 ),
    inference(paramodulation,[status(thm)],[f507,f338]) ).

fof(f514,plain,
    ( ~ spl0_2
    | spl0_11
    | ~ spl0_4 ),
    inference(split_clause,[status(thm)],[f513,f435,f510,f442]) ).

fof(f535,plain,
    ( $false
    | ~ spl0_11 ),
    inference(forward_subsumption_resolution,[status(thm)],[f511,f423]) ).

fof(f536,plain,
    ~ spl0_11,
    inference(contradiction_clause,[status(thm)],[f535]) ).

fof(f537,plain,
    ( $false
    | spl0_1
    | ~ spl0_8 ),
    inference(forward_subsumption_resolution,[status(thm)],[f491,f482]) ).

fof(f538,plain,
    ( spl0_1
    | ~ spl0_8 ),
    inference(contradiction_clause,[status(thm)],[f537]) ).

fof(f539,plain,
    ( nil = sk0_47
    | ~ spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f422,f429]) ).

fof(f541,plain,
    ( ~ totalorderedP(nil)
    | ~ spl0_0 ),
    inference(backward_demodulation,[status(thm)],[f539,f423]) ).

fof(f542,plain,
    ( $false
    | ~ spl0_0 ),
    inference(forward_subsumption_resolution,[status(thm)],[f541,f339]) ).

fof(f543,plain,
    ~ spl0_0,
    inference(contradiction_clause,[status(thm)],[f542]) ).

fof(f544,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f434,f441,f445,f494,f504,f506,f514,f536,f538,f543]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SWC275+1 : TPTP v8.1.2. Released v2.4.0.
% 0.11/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.34  % Computer : n020.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 11:20:13 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.13/0.36  % Drodi V3.5.1
% 0.13/0.36  % Refutation found
% 0.13/0.36  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.13/0.36  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.13/0.38  % Elapsed time: 0.030490 seconds
% 0.13/0.38  % CPU time: 0.049209 seconds
% 0.13/0.38  % Memory used: 16.148 MB
%------------------------------------------------------------------------------