TSTP Solution File: SWC098+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SWC098+1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %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 Aug 31 18:41:44 EDT 2022

% Result   : Theorem 1.52s 0.60s
% Output   : Refutation 1.52s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   30
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   77 (   8 unt;   0 def)
%            Number of atoms       :  524 ( 249 equ)
%            Maximal formula atoms :   48 (   6 avg)
%            Number of connectives :  681 ( 234   ~; 248   |; 181   &)
%                                         (   0 <=>;  18  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   23 (   6 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   7 con; 0-2 aty)
%            Number of variables   :   99 (  49   !;  50   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f681,plain,
    $false,
    inference(subsumption_resolution,[],[f680,f667]) ).

fof(f667,plain,
    nil != sK27,
    inference(trivial_inequality_removal,[],[f655]) ).

fof(f655,plain,
    ( nil != sK27
    | nil != nil ),
    inference(backward_demodulation,[],[f425,f654]) ).

fof(f654,plain,
    nil = sK26,
    inference(subsumption_resolution,[],[f653,f625]) ).

fof(f625,plain,
    ( sK26 = sF59
    | nil = sK26 ),
    inference(forward_demodulation,[],[f621,f439]) ).

fof(f439,plain,
    sK26 = sK28,
    inference(cnf_transformation,[],[f284]) ).

fof(f284,plain,
    ( ssList(sK26)
    & ssList(sK27)
    & sK26 = sK28
    & ! [X4] :
        ( ( leq(X4,sK30(X4))
          & memberP(sK27,sK30(X4))
          & sK30(X4) != X4
          & ssItem(sK30(X4)) )
        | cons(X4,nil) != sK26
        | ~ ssItem(X4)
        | ~ memberP(sK27,X4) )
    & ssList(sK29)
    & ( ( ! [X7] :
            ( sK31 = X7
            | ~ ssItem(X7)
            | ~ leq(sK31,X7)
            | ~ memberP(sK29,X7) )
        & cons(sK31,nil) = sK28
        & ssItem(sK31)
        & memberP(sK29,sK31) )
      | ( nil = sK29
        & nil = sK28 ) )
    & ( nil != sK27
      | nil != sK26 )
    & sK29 = sK27
    & ssList(sK28) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK26,sK27,sK28,sK29,sK30,sK31])],[f202,f283,f282,f281,f280,f279,f278]) ).

fof(f278,plain,
    ( ? [X0] :
        ( ssList(X0)
        & ? [X1] :
            ( ssList(X1)
            & ? [X2] :
                ( ? [X3] :
                    ( X0 = X2
                    & ! [X4] :
                        ( ? [X5] :
                            ( leq(X4,X5)
                            & memberP(X1,X5)
                            & X4 != X5
                            & ssItem(X5) )
                        | cons(X4,nil) != X0
                        | ~ ssItem(X4)
                        | ~ memberP(X1,X4) )
                    & ssList(X3)
                    & ( ? [X6] :
                          ( ! [X7] :
                              ( X6 = X7
                              | ~ ssItem(X7)
                              | ~ leq(X6,X7)
                              | ~ memberP(X3,X7) )
                          & cons(X6,nil) = X2
                          & ssItem(X6)
                          & memberP(X3,X6) )
                      | ( nil = X3
                        & nil = X2 ) )
                    & ( nil != X1
                      | nil != X0 )
                    & X1 = X3 )
                & ssList(X2) ) ) )
   => ( ssList(sK26)
      & ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ? [X3] :
                  ( sK26 = X2
                  & ! [X4] :
                      ( ? [X5] :
                          ( leq(X4,X5)
                          & memberP(X1,X5)
                          & X4 != X5
                          & ssItem(X5) )
                      | cons(X4,nil) != sK26
                      | ~ ssItem(X4)
                      | ~ memberP(X1,X4) )
                  & ssList(X3)
                  & ( ? [X6] :
                        ( ! [X7] :
                            ( X6 = X7
                            | ~ ssItem(X7)
                            | ~ leq(X6,X7)
                            | ~ memberP(X3,X7) )
                        & cons(X6,nil) = X2
                        & ssItem(X6)
                        & memberP(X3,X6) )
                    | ( nil = X3
                      & nil = X2 ) )
                  & ( nil != X1
                    | nil != sK26 )
                  & X1 = X3 )
              & ssList(X2) ) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f279,plain,
    ( ? [X1] :
        ( ssList(X1)
        & ? [X2] :
            ( ? [X3] :
                ( sK26 = X2
                & ! [X4] :
                    ( ? [X5] :
                        ( leq(X4,X5)
                        & memberP(X1,X5)
                        & X4 != X5
                        & ssItem(X5) )
                    | cons(X4,nil) != sK26
                    | ~ ssItem(X4)
                    | ~ memberP(X1,X4) )
                & ssList(X3)
                & ( ? [X6] :
                      ( ! [X7] :
                          ( X6 = X7
                          | ~ ssItem(X7)
                          | ~ leq(X6,X7)
                          | ~ memberP(X3,X7) )
                      & cons(X6,nil) = X2
                      & ssItem(X6)
                      & memberP(X3,X6) )
                  | ( nil = X3
                    & nil = X2 ) )
                & ( nil != X1
                  | nil != sK26 )
                & X1 = X3 )
            & ssList(X2) ) )
   => ( ssList(sK27)
      & ? [X2] :
          ( ? [X3] :
              ( sK26 = X2
              & ! [X4] :
                  ( ? [X5] :
                      ( leq(X4,X5)
                      & memberP(sK27,X5)
                      & X4 != X5
                      & ssItem(X5) )
                  | cons(X4,nil) != sK26
                  | ~ ssItem(X4)
                  | ~ memberP(sK27,X4) )
              & ssList(X3)
              & ( ? [X6] :
                    ( ! [X7] :
                        ( X6 = X7
                        | ~ ssItem(X7)
                        | ~ leq(X6,X7)
                        | ~ memberP(X3,X7) )
                    & cons(X6,nil) = X2
                    & ssItem(X6)
                    & memberP(X3,X6) )
                | ( nil = X3
                  & nil = X2 ) )
              & ( nil != sK27
                | nil != sK26 )
              & sK27 = X3 )
          & ssList(X2) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f280,plain,
    ( ? [X2] :
        ( ? [X3] :
            ( sK26 = X2
            & ! [X4] :
                ( ? [X5] :
                    ( leq(X4,X5)
                    & memberP(sK27,X5)
                    & X4 != X5
                    & ssItem(X5) )
                | cons(X4,nil) != sK26
                | ~ ssItem(X4)
                | ~ memberP(sK27,X4) )
            & ssList(X3)
            & ( ? [X6] :
                  ( ! [X7] :
                      ( X6 = X7
                      | ~ ssItem(X7)
                      | ~ leq(X6,X7)
                      | ~ memberP(X3,X7) )
                  & cons(X6,nil) = X2
                  & ssItem(X6)
                  & memberP(X3,X6) )
              | ( nil = X3
                & nil = X2 ) )
            & ( nil != sK27
              | nil != sK26 )
            & sK27 = X3 )
        & ssList(X2) )
   => ( ? [X3] :
          ( sK26 = sK28
          & ! [X4] :
              ( ? [X5] :
                  ( leq(X4,X5)
                  & memberP(sK27,X5)
                  & X4 != X5
                  & ssItem(X5) )
              | cons(X4,nil) != sK26
              | ~ ssItem(X4)
              | ~ memberP(sK27,X4) )
          & ssList(X3)
          & ( ? [X6] :
                ( ! [X7] :
                    ( X6 = X7
                    | ~ ssItem(X7)
                    | ~ leq(X6,X7)
                    | ~ memberP(X3,X7) )
                & cons(X6,nil) = sK28
                & ssItem(X6)
                & memberP(X3,X6) )
            | ( nil = X3
              & nil = sK28 ) )
          & ( nil != sK27
            | nil != sK26 )
          & sK27 = X3 )
      & ssList(sK28) ) ),
    introduced(choice_axiom,[]) ).

fof(f281,plain,
    ( ? [X3] :
        ( sK26 = sK28
        & ! [X4] :
            ( ? [X5] :
                ( leq(X4,X5)
                & memberP(sK27,X5)
                & X4 != X5
                & ssItem(X5) )
            | cons(X4,nil) != sK26
            | ~ ssItem(X4)
            | ~ memberP(sK27,X4) )
        & ssList(X3)
        & ( ? [X6] :
              ( ! [X7] :
                  ( X6 = X7
                  | ~ ssItem(X7)
                  | ~ leq(X6,X7)
                  | ~ memberP(X3,X7) )
              & cons(X6,nil) = sK28
              & ssItem(X6)
              & memberP(X3,X6) )
          | ( nil = X3
            & nil = sK28 ) )
        & ( nil != sK27
          | nil != sK26 )
        & sK27 = X3 )
   => ( sK26 = sK28
      & ! [X4] :
          ( ? [X5] :
              ( leq(X4,X5)
              & memberP(sK27,X5)
              & X4 != X5
              & ssItem(X5) )
          | cons(X4,nil) != sK26
          | ~ ssItem(X4)
          | ~ memberP(sK27,X4) )
      & ssList(sK29)
      & ( ? [X6] :
            ( ! [X7] :
                ( X6 = X7
                | ~ ssItem(X7)
                | ~ leq(X6,X7)
                | ~ memberP(sK29,X7) )
            & cons(X6,nil) = sK28
            & ssItem(X6)
            & memberP(sK29,X6) )
        | ( nil = sK29
          & nil = sK28 ) )
      & ( nil != sK27
        | nil != sK26 )
      & sK29 = sK27 ) ),
    introduced(choice_axiom,[]) ).

fof(f282,plain,
    ! [X4] :
      ( ? [X5] :
          ( leq(X4,X5)
          & memberP(sK27,X5)
          & X4 != X5
          & ssItem(X5) )
     => ( leq(X4,sK30(X4))
        & memberP(sK27,sK30(X4))
        & sK30(X4) != X4
        & ssItem(sK30(X4)) ) ),
    introduced(choice_axiom,[]) ).

fof(f283,plain,
    ( ? [X6] :
        ( ! [X7] :
            ( X6 = X7
            | ~ ssItem(X7)
            | ~ leq(X6,X7)
            | ~ memberP(sK29,X7) )
        & cons(X6,nil) = sK28
        & ssItem(X6)
        & memberP(sK29,X6) )
   => ( ! [X7] :
          ( sK31 = X7
          | ~ ssItem(X7)
          | ~ leq(sK31,X7)
          | ~ memberP(sK29,X7) )
      & cons(sK31,nil) = sK28
      & ssItem(sK31)
      & memberP(sK29,sK31) ) ),
    introduced(choice_axiom,[]) ).

fof(f202,plain,
    ? [X0] :
      ( ssList(X0)
      & ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ? [X3] :
                  ( X0 = X2
                  & ! [X4] :
                      ( ? [X5] :
                          ( leq(X4,X5)
                          & memberP(X1,X5)
                          & X4 != X5
                          & ssItem(X5) )
                      | cons(X4,nil) != X0
                      | ~ ssItem(X4)
                      | ~ memberP(X1,X4) )
                  & ssList(X3)
                  & ( ? [X6] :
                        ( ! [X7] :
                            ( X6 = X7
                            | ~ ssItem(X7)
                            | ~ leq(X6,X7)
                            | ~ memberP(X3,X7) )
                        & cons(X6,nil) = X2
                        & ssItem(X6)
                        & memberP(X3,X6) )
                    | ( nil = X3
                      & nil = X2 ) )
                  & ( nil != X1
                    | nil != X0 )
                  & X1 = X3 )
              & ssList(X2) ) ) ),
    inference(flattening,[],[f201]) ).

fof(f201,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ! [X4] :
                      ( ~ ssItem(X4)
                      | ? [X5] :
                          ( leq(X4,X5)
                          & X4 != X5
                          & memberP(X1,X5)
                          & ssItem(X5) )
                      | cons(X4,nil) != X0
                      | ~ memberP(X1,X4) )
                  & X1 = X3
                  & ( ? [X6] :
                        ( memberP(X3,X6)
                        & ! [X7] :
                            ( X6 = X7
                            | ~ ssItem(X7)
                            | ~ leq(X6,X7)
                            | ~ memberP(X3,X7) )
                        & cons(X6,nil) = X2
                        & ssItem(X6) )
                    | ( nil = X3
                      & nil = X2 ) )
                  & ( nil != X1
                    | nil != X0 )
                  & X0 = X2
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(ennf_transformation,[],[f97]) ).

fof(f97,negated_conjecture,
    ~ ! [X0] :
        ( ssList(X0)
       => ! [X1] :
            ( ssList(X1)
           => ! [X2] :
                ( ssList(X2)
               => ! [X3] :
                    ( ssList(X3)
                   => ( ? [X4] :
                          ( ssItem(X4)
                          & ! [X5] :
                              ( ssItem(X5)
                             => ( ~ leq(X4,X5)
                                | X4 = X5
                                | ~ memberP(X1,X5) ) )
                          & cons(X4,nil) = X0
                          & memberP(X1,X4) )
                      | X1 != X3
                      | ( ! [X6] :
                            ( ssItem(X6)
                           => ( ~ memberP(X3,X6)
                              | ? [X7] :
                                  ( leq(X6,X7)
                                  & ssItem(X7)
                                  & memberP(X3,X7)
                                  & X6 != X7 )
                              | cons(X6,nil) != X2 ) )
                        & ( nil != X2
                          | nil != X3 ) )
                      | ( nil = X0
                        & nil = X1 )
                      | X0 != X2 ) ) ) ) ),
    inference(negated_conjecture,[],[f96]) ).

fof(f96,conjecture,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ! [X2] :
              ( ssList(X2)
             => ! [X3] :
                  ( ssList(X3)
                 => ( ? [X4] :
                        ( ssItem(X4)
                        & ! [X5] :
                            ( ssItem(X5)
                           => ( ~ leq(X4,X5)
                              | X4 = X5
                              | ~ memberP(X1,X5) ) )
                        & cons(X4,nil) = X0
                        & memberP(X1,X4) )
                    | X1 != X3
                    | ( ! [X6] :
                          ( ssItem(X6)
                         => ( ~ memberP(X3,X6)
                            | ? [X7] :
                                ( leq(X6,X7)
                                & ssItem(X7)
                                & memberP(X3,X7)
                                & X6 != X7 )
                            | cons(X6,nil) != X2 ) )
                      & ( nil != X2
                        | nil != X3 ) )
                    | ( nil = X0
                      & nil = X1 )
                    | X0 != X2 ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1) ).

fof(f621,plain,
    ( sK28 = sF59
    | nil = sK26 ),
    inference(backward_demodulation,[],[f597,f439]) ).

fof(f597,plain,
    ( sK28 = sF59
    | nil = sK28 ),
    inference(definition_folding,[],[f430,f595]) ).

fof(f595,plain,
    cons(sK31,nil) = sF59,
    introduced(function_definition,[]) ).

fof(f430,plain,
    ( cons(sK31,nil) = sK28
    | nil = sK28 ),
    inference(cnf_transformation,[],[f284]) ).

fof(f653,plain,
    ( nil = sK26
    | sK26 != sF59 ),
    inference(superposition,[],[f652,f595]) ).

fof(f652,plain,
    ( sK26 != cons(sK31,nil)
    | nil = sK26 ),
    inference(subsumption_resolution,[],[f651,f623]) ).

fof(f623,plain,
    ( memberP(sK27,sK31)
    | nil = sK26 ),
    inference(backward_demodulation,[],[f613,f439]) ).

fof(f613,plain,
    ( nil = sK28
    | memberP(sK27,sK31) ),
    inference(forward_demodulation,[],[f426,f424]) ).

fof(f424,plain,
    sK29 = sK27,
    inference(cnf_transformation,[],[f284]) ).

fof(f426,plain,
    ( memberP(sK29,sK31)
    | nil = sK28 ),
    inference(cnf_transformation,[],[f284]) ).

fof(f651,plain,
    ( sK26 != cons(sK31,nil)
    | ~ memberP(sK27,sK31)
    | nil = sK26 ),
    inference(subsumption_resolution,[],[f650,f620]) ).

fof(f620,plain,
    ( ssItem(sK31)
    | nil = sK26 ),
    inference(backward_demodulation,[],[f428,f439]) ).

fof(f428,plain,
    ( ssItem(sK31)
    | nil = sK28 ),
    inference(cnf_transformation,[],[f284]) ).

fof(f650,plain,
    ( ~ memberP(sK27,sK31)
    | nil = sK26
    | ~ ssItem(sK31)
    | sK26 != cons(sK31,nil) ),
    inference(subsumption_resolution,[],[f649,f436]) ).

fof(f436,plain,
    ! [X4] :
      ( cons(X4,nil) != sK26
      | ~ memberP(sK27,X4)
      | ~ ssItem(X4)
      | sK30(X4) != X4 ),
    inference(cnf_transformation,[],[f284]) ).

fof(f649,plain,
    ( ~ memberP(sK27,sK31)
    | nil = sK26
    | ~ ssItem(sK31)
    | sK26 != cons(sK31,nil)
    | sK30(sK31) = sK31 ),
    inference(resolution,[],[f644,f437]) ).

fof(f437,plain,
    ! [X4] :
      ( memberP(sK27,sK30(X4))
      | ~ memberP(sK27,X4)
      | ~ ssItem(X4)
      | cons(X4,nil) != sK26 ),
    inference(cnf_transformation,[],[f284]) ).

fof(f644,plain,
    ( ~ memberP(sK27,sK30(sK31))
    | sK30(sK31) = sK31
    | nil = sK26 ),
    inference(subsumption_resolution,[],[f643,f625]) ).

fof(f643,plain,
    ( sK30(sK31) = sK31
    | sK26 != sF59
    | nil = sK26
    | ~ memberP(sK27,sK30(sK31)) ),
    inference(subsumption_resolution,[],[f642,f623]) ).

fof(f642,plain,
    ( sK26 != sF59
    | sK30(sK31) = sK31
    | nil = sK26
    | ~ memberP(sK27,sK30(sK31))
    | ~ memberP(sK27,sK31) ),
    inference(subsumption_resolution,[],[f641,f620]) ).

fof(f641,plain,
    ( ~ ssItem(sK31)
    | nil = sK26
    | ~ memberP(sK27,sK31)
    | sK30(sK31) = sK31
    | ~ memberP(sK27,sK30(sK31))
    | sK26 != sF59 ),
    inference(subsumption_resolution,[],[f639,f632]) ).

fof(f632,plain,
    ( ~ memberP(sK27,sK31)
    | sK26 != sF59
    | ssItem(sK30(sK31))
    | ~ ssItem(sK31) ),
    inference(superposition,[],[f435,f595]) ).

fof(f435,plain,
    ! [X4] :
      ( cons(X4,nil) != sK26
      | ssItem(sK30(X4))
      | ~ memberP(sK27,X4)
      | ~ ssItem(X4) ),
    inference(cnf_transformation,[],[f284]) ).

fof(f639,plain,
    ( ~ ssItem(sK31)
    | nil = sK26
    | sK30(sK31) = sK31
    | ~ memberP(sK27,sK31)
    | sK26 != sF59
    | ~ ssItem(sK30(sK31))
    | ~ memberP(sK27,sK30(sK31)) ),
    inference(resolution,[],[f630,f624]) ).

fof(f624,plain,
    ! [X7] :
      ( ~ leq(sK31,X7)
      | sK31 = X7
      | nil = sK26
      | ~ memberP(sK27,X7)
      | ~ ssItem(X7) ),
    inference(backward_demodulation,[],[f617,f439]) ).

fof(f617,plain,
    ! [X7] :
      ( nil = sK28
      | ~ memberP(sK27,X7)
      | ~ leq(sK31,X7)
      | sK31 = X7
      | ~ ssItem(X7) ),
    inference(forward_demodulation,[],[f432,f424]) ).

fof(f432,plain,
    ! [X7] :
      ( ~ leq(sK31,X7)
      | sK31 = X7
      | ~ ssItem(X7)
      | ~ memberP(sK29,X7)
      | nil = sK28 ),
    inference(cnf_transformation,[],[f284]) ).

fof(f630,plain,
    ( leq(sK31,sK30(sK31))
    | ~ memberP(sK27,sK31)
    | ~ ssItem(sK31)
    | sK26 != sF59 ),
    inference(superposition,[],[f438,f595]) ).

fof(f438,plain,
    ! [X4] :
      ( cons(X4,nil) != sK26
      | ~ ssItem(X4)
      | ~ memberP(sK27,X4)
      | leq(X4,sK30(X4)) ),
    inference(cnf_transformation,[],[f284]) ).

fof(f425,plain,
    ( nil != sK27
    | nil != sK26 ),
    inference(cnf_transformation,[],[f284]) ).

fof(f680,plain,
    nil = sK27,
    inference(trivial_inequality_removal,[],[f679]) ).

fof(f679,plain,
    ( nil = sK27
    | nil != nil ),
    inference(superposition,[],[f678,f662]) ).

fof(f662,plain,
    ( nil = sF59
    | nil = sK27 ),
    inference(backward_demodulation,[],[f622,f654]) ).

fof(f622,plain,
    ( sK26 = sF59
    | nil = sK27 ),
    inference(backward_demodulation,[],[f609,f439]) ).

fof(f609,plain,
    ( nil = sK27
    | sK28 = sF59 ),
    inference(backward_demodulation,[],[f596,f424]) ).

fof(f596,plain,
    ( sK28 = sF59
    | nil = sK29 ),
    inference(definition_folding,[],[f431,f595]) ).

fof(f431,plain,
    ( cons(sK31,nil) = sK28
    | nil = sK29 ),
    inference(cnf_transformation,[],[f284]) ).

fof(f678,plain,
    nil != sF59,
    inference(subsumption_resolution,[],[f677,f667]) ).

fof(f677,plain,
    ( nil = sK27
    | nil != sF59 ),
    inference(resolution,[],[f676,f618]) ).

fof(f618,plain,
    ( ssItem(sK31)
    | nil = sK27 ),
    inference(forward_demodulation,[],[f429,f424]) ).

fof(f429,plain,
    ( ssItem(sK31)
    | nil = sK29 ),
    inference(cnf_transformation,[],[f284]) ).

fof(f676,plain,
    ( ~ ssItem(sK31)
    | nil != sF59 ),
    inference(subsumption_resolution,[],[f675,f667]) ).

fof(f675,plain,
    ( ~ ssItem(sK31)
    | nil != sF59
    | nil = sK27 ),
    inference(resolution,[],[f674,f611]) ).

fof(f611,plain,
    ( memberP(sK27,sK31)
    | nil = sK27 ),
    inference(forward_demodulation,[],[f610,f424]) ).

fof(f610,plain,
    ( nil = sK27
    | memberP(sK29,sK31) ),
    inference(backward_demodulation,[],[f427,f424]) ).

fof(f427,plain,
    ( memberP(sK29,sK31)
    | nil = sK29 ),
    inference(cnf_transformation,[],[f284]) ).

fof(f674,plain,
    ( ~ memberP(sK27,sK31)
    | ~ ssItem(sK31)
    | nil != sF59 ),
    inference(forward_demodulation,[],[f673,f595]) ).

fof(f673,plain,
    ( nil != cons(sK31,nil)
    | ~ ssItem(sK31)
    | ~ memberP(sK27,sK31) ),
    inference(subsumption_resolution,[],[f672,f657]) ).

fof(f657,plain,
    ! [X4] :
      ( sK30(X4) != X4
      | ~ memberP(sK27,X4)
      | ~ ssItem(X4)
      | nil != cons(X4,nil) ),
    inference(backward_demodulation,[],[f436,f654]) ).

fof(f672,plain,
    ( nil != cons(sK31,nil)
    | sK30(sK31) = sK31
    | ~ ssItem(sK31)
    | ~ memberP(sK27,sK31) ),
    inference(subsumption_resolution,[],[f671,f667]) ).

fof(f671,plain,
    ( sK30(sK31) = sK31
    | ~ memberP(sK27,sK31)
    | nil != cons(sK31,nil)
    | nil = sK27
    | ~ ssItem(sK31) ),
    inference(resolution,[],[f658,f648]) ).

fof(f648,plain,
    ( ~ memberP(sK27,sK30(sK31))
    | sK30(sK31) = sK31
    | nil = sK27 ),
    inference(subsumption_resolution,[],[f647,f611]) ).

fof(f647,plain,
    ( sK30(sK31) = sK31
    | ~ memberP(sK27,sK31)
    | nil = sK27
    | ~ memberP(sK27,sK30(sK31)) ),
    inference(subsumption_resolution,[],[f646,f622]) ).

fof(f646,plain,
    ( sK26 != sF59
    | ~ memberP(sK27,sK30(sK31))
    | sK30(sK31) = sK31
    | nil = sK27
    | ~ memberP(sK27,sK31) ),
    inference(subsumption_resolution,[],[f645,f618]) ).

fof(f645,plain,
    ( sK30(sK31) = sK31
    | ~ memberP(sK27,sK31)
    | sK26 != sF59
    | nil = sK27
    | ~ memberP(sK27,sK30(sK31))
    | ~ ssItem(sK31) ),
    inference(subsumption_resolution,[],[f640,f632]) ).

fof(f640,plain,
    ( sK30(sK31) = sK31
    | ~ ssItem(sK31)
    | ~ memberP(sK27,sK31)
    | nil = sK27
    | sK26 != sF59
    | ~ ssItem(sK30(sK31))
    | ~ memberP(sK27,sK30(sK31)) ),
    inference(resolution,[],[f630,f615]) ).

fof(f615,plain,
    ! [X7] :
      ( ~ leq(sK31,X7)
      | ~ ssItem(X7)
      | ~ memberP(sK27,X7)
      | nil = sK27
      | sK31 = X7 ),
    inference(forward_demodulation,[],[f614,f424]) ).

fof(f614,plain,
    ! [X7] :
      ( ~ memberP(sK29,X7)
      | ~ ssItem(X7)
      | sK31 = X7
      | nil = sK27
      | ~ leq(sK31,X7) ),
    inference(forward_demodulation,[],[f433,f424]) ).

fof(f433,plain,
    ! [X7] :
      ( ~ leq(sK31,X7)
      | sK31 = X7
      | ~ ssItem(X7)
      | nil = sK29
      | ~ memberP(sK29,X7) ),
    inference(cnf_transformation,[],[f284]) ).

fof(f658,plain,
    ! [X4] :
      ( memberP(sK27,sK30(X4))
      | ~ memberP(sK27,X4)
      | nil != cons(X4,nil)
      | ~ ssItem(X4) ),
    inference(backward_demodulation,[],[f437,f654]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem    : SWC098+1 : TPTP v8.1.0. Released v2.4.0.
% 0.06/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.12/0.34  % Computer : n018.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit   : 300
% 0.12/0.34  % WCLimit    : 300
% 0.12/0.34  % DateTime   : Tue Aug 30 18:19:25 EDT 2022
% 0.12/0.35  % CPUTime    : 
% 1.38/0.55  % (32680)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 1.38/0.55  % (32679)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 1.38/0.55  % (32680)Instruction limit reached!
% 1.38/0.55  % (32680)------------------------------
% 1.38/0.55  % (32680)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.38/0.55  % (32680)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.38/0.55  % (32680)Termination reason: Unknown
% 1.38/0.55  % (32680)Termination phase: shuffling
% 1.38/0.55  
% 1.38/0.55  % (32680)Memory used [KB]: 1023
% 1.38/0.55  % (32680)Time elapsed: 0.003 s
% 1.38/0.55  % (32680)Instructions burned: 3 (million)
% 1.38/0.55  % (32680)------------------------------
% 1.38/0.55  % (32680)------------------------------
% 1.52/0.56  % (32679)Instruction limit reached!
% 1.52/0.56  % (32679)------------------------------
% 1.52/0.56  % (32679)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.52/0.56  % (32688)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 1.52/0.56  % (32696)ott+10_1:1_kws=precedence:tgt=ground:i=482:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/482Mi)
% 1.52/0.56  % (32695)ott+11_1:1_drc=off:nwc=5.0:slsq=on:slsqc=1:spb=goal_then_units:to=lpo:i=467:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/467Mi)
% 1.52/0.56  % (32687)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=75:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/75Mi)
% 1.52/0.57  % (32678)fmb+10_1:1_fmbsr=2.0:nm=4:skr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 1.52/0.58  % (32694)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=498:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/498Mi)
% 1.52/0.58  % (32679)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.52/0.58  % (32679)Termination reason: Unknown
% 1.52/0.58  % (32679)Termination phase: Property scanning
% 1.52/0.58  
% 1.52/0.58  % (32679)Memory used [KB]: 1279
% 1.52/0.58  % (32679)Time elapsed: 0.006 s
% 1.52/0.58  % (32679)Instructions burned: 8 (million)
% 1.52/0.58  % (32679)------------------------------
% 1.52/0.58  % (32679)------------------------------
% 1.52/0.59  % (32686)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/68Mi)
% 1.52/0.59  % (32687)First to succeed.
% 1.52/0.60  % (32687)Refutation found. Thanks to Tanya!
% 1.52/0.60  % SZS status Theorem for theBenchmark
% 1.52/0.60  % SZS output start Proof for theBenchmark
% See solution above
% 1.52/0.60  % (32687)------------------------------
% 1.52/0.60  % (32687)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.52/0.60  % (32687)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.52/0.60  % (32687)Termination reason: Refutation
% 1.52/0.60  
% 1.52/0.60  % (32687)Memory used [KB]: 1535
% 1.52/0.60  % (32687)Time elapsed: 0.176 s
% 1.52/0.60  % (32687)Instructions burned: 22 (million)
% 1.52/0.60  % (32687)------------------------------
% 1.52/0.60  % (32687)------------------------------
% 1.52/0.60  % (32671)Success in time 0.244 s
%------------------------------------------------------------------------------