TSTP Solution File: SWC245+1 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : SWC245+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_uns --cores 0 -t %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 Aug 31 18:39:51 EDT 2022

% Result   : Theorem 0.21s 0.57s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :   19
% Syntax   : Number of formulae    :   81 (   7 unt;   0 def)
%            Number of atoms       :  618 ( 177 equ)
%            Maximal formula atoms :   52 (   7 avg)
%            Number of connectives :  851 ( 314   ~; 302   |; 210   &)
%                                         (   4 <=>;  21  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   28 (   8 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :   12 (  10 usr;   5 prp; 0-2 aty)
%            Number of functors    :   11 (  11 usr;   6 con; 0-3 aty)
%            Number of variables   :  210 ( 142   !;  68   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f440,plain,
    $false,
    inference(avatar_sat_refutation,[],[f268,f278,f426,f432,f439]) ).

fof(f439,plain,
    ( spl16_1
    | ~ spl16_4
    | ~ spl16_5
    | ~ spl16_6 ),
    inference(avatar_contradiction_clause,[],[f438]) ).

fof(f438,plain,
    ( $false
    | spl16_1
    | ~ spl16_4
    | ~ spl16_5
    | ~ spl16_6 ),
    inference(subsumption_resolution,[],[f437,f421]) ).

fof(f421,plain,
    ( ssItem(sK13(sK7(sK8),nil,sK6(sK8)))
    | ~ spl16_5 ),
    inference(avatar_component_clause,[],[f419]) ).

fof(f419,plain,
    ( spl16_5
  <=> ssItem(sK13(sK7(sK8),nil,sK6(sK8))) ),
    introduced(avatar_definition,[new_symbols(naming,[spl16_5])]) ).

fof(f437,plain,
    ( ~ ssItem(sK13(sK7(sK8),nil,sK6(sK8)))
    | spl16_1
    | ~ spl16_4
    | ~ spl16_6 ),
    inference(resolution,[],[f436,f232]) ).

fof(f232,plain,
    ! [X0] :
      ( ~ memberP(nil,X0)
      | ~ ssItem(X0) ),
    inference(cnf_transformation,[],[f119]) ).

fof(f119,plain,
    ! [X0] :
      ( ~ ssItem(X0)
      | ~ memberP(nil,X0) ),
    inference(ennf_transformation,[],[f38]) ).

fof(f38,axiom,
    ! [X0] :
      ( ssItem(X0)
     => ~ memberP(nil,X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax38) ).

fof(f436,plain,
    ( memberP(nil,sK13(sK7(sK8),nil,sK6(sK8)))
    | spl16_1
    | ~ spl16_4
    | ~ spl16_6 ),
    inference(subsumption_resolution,[],[f435,f262]) ).

fof(f262,plain,
    ( nil != sK8
    | spl16_1 ),
    inference(avatar_component_clause,[],[f260]) ).

fof(f260,plain,
    ( spl16_1
  <=> nil = sK8 ),
    introduced(avatar_definition,[new_symbols(naming,[spl16_1])]) ).

fof(f435,plain,
    ( memberP(nil,sK13(sK7(sK8),nil,sK6(sK8)))
    | nil = sK8
    | ~ spl16_4
    | ~ spl16_6 ),
    inference(subsumption_resolution,[],[f434,f226]) ).

fof(f226,plain,
    ssList(sK8),
    inference(cnf_transformation,[],[f167]) ).

fof(f167,plain,
    ( ssList(sK8)
    & ssList(sK10)
    & ssList(sK11)
    & sK9 = sK11
    & ( nil = sK11
      | nil != sK10 )
    & equalelemsP(sK10)
    & ssList(sK12)
    & ! [X5] :
        ( ~ ssItem(X5)
        | ! [X6] :
            ( ! [X7] :
                ( ~ ssList(X7)
                | sK10 != app(X7,cons(X5,nil)) )
            | ~ ssList(X6)
            | sK12 != app(cons(X5,nil),X6) ) )
    & app(sK10,sK12) = sK11
    & sK10 = sK8
    & nil != sK8
    & ! [X8] :
        ( ! [X9] :
            ( ~ ssList(X9)
            | ! [X10] :
                ( app(app(X9,cons(X8,nil)),X10) != sK8
                | ~ ssList(X10)
                | ( ~ leq(X8,sK13(X8,X9,X10))
                  & lt(X8,sK13(X8,X9,X10))
                  & memberP(X9,sK13(X8,X9,X10))
                  & ssItem(sK13(X8,X9,X10))
                  & memberP(X10,sK13(X8,X9,X10)) ) ) )
        | ~ ssItem(X8) )
    & ssList(sK9) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK8,sK9,sK10,sK11,sK12,sK13])],[f160,f166,f165,f164,f163,f162,f161]) ).

fof(f161,plain,
    ( ? [X0] :
        ( ssList(X0)
        & ? [X1] :
            ( ? [X2] :
                ( ssList(X2)
                & ? [X3] :
                    ( ssList(X3)
                    & X1 = X3
                    & ( nil = X3
                      | nil != X2 )
                    & ? [X4] :
                        ( equalelemsP(X2)
                        & ssList(X4)
                        & ! [X5] :
                            ( ~ ssItem(X5)
                            | ! [X6] :
                                ( ! [X7] :
                                    ( ~ ssList(X7)
                                    | app(X7,cons(X5,nil)) != X2 )
                                | ~ ssList(X6)
                                | app(cons(X5,nil),X6) != X4 ) )
                        & app(X2,X4) = X3 )
                    & X0 = X2
                    & nil != X0
                    & ! [X8] :
                        ( ! [X9] :
                            ( ~ ssList(X9)
                            | ! [X10] :
                                ( app(app(X9,cons(X8,nil)),X10) != X0
                                | ~ ssList(X10)
                                | ? [X11] :
                                    ( ~ leq(X8,X11)
                                    & lt(X8,X11)
                                    & memberP(X9,X11)
                                    & ssItem(X11)
                                    & memberP(X10,X11) ) ) )
                        | ~ ssItem(X8) ) ) )
            & ssList(X1) ) )
   => ( ssList(sK8)
      & ? [X1] :
          ( ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( ssList(X3)
                  & X1 = X3
                  & ( nil = X3
                    | nil != X2 )
                  & ? [X4] :
                      ( equalelemsP(X2)
                      & ssList(X4)
                      & ! [X5] :
                          ( ~ ssItem(X5)
                          | ! [X6] :
                              ( ! [X7] :
                                  ( ~ ssList(X7)
                                  | app(X7,cons(X5,nil)) != X2 )
                              | ~ ssList(X6)
                              | app(cons(X5,nil),X6) != X4 ) )
                      & app(X2,X4) = X3 )
                  & sK8 = X2
                  & nil != sK8
                  & ! [X8] :
                      ( ! [X9] :
                          ( ~ ssList(X9)
                          | ! [X10] :
                              ( app(app(X9,cons(X8,nil)),X10) != sK8
                              | ~ ssList(X10)
                              | ? [X11] :
                                  ( ~ leq(X8,X11)
                                  & lt(X8,X11)
                                  & memberP(X9,X11)
                                  & ssItem(X11)
                                  & memberP(X10,X11) ) ) )
                      | ~ ssItem(X8) ) ) )
          & ssList(X1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f162,plain,
    ( ? [X1] :
        ( ? [X2] :
            ( ssList(X2)
            & ? [X3] :
                ( ssList(X3)
                & X1 = X3
                & ( nil = X3
                  | nil != X2 )
                & ? [X4] :
                    ( equalelemsP(X2)
                    & ssList(X4)
                    & ! [X5] :
                        ( ~ ssItem(X5)
                        | ! [X6] :
                            ( ! [X7] :
                                ( ~ ssList(X7)
                                | app(X7,cons(X5,nil)) != X2 )
                            | ~ ssList(X6)
                            | app(cons(X5,nil),X6) != X4 ) )
                    & app(X2,X4) = X3 )
                & sK8 = X2
                & nil != sK8
                & ! [X8] :
                    ( ! [X9] :
                        ( ~ ssList(X9)
                        | ! [X10] :
                            ( app(app(X9,cons(X8,nil)),X10) != sK8
                            | ~ ssList(X10)
                            | ? [X11] :
                                ( ~ leq(X8,X11)
                                & lt(X8,X11)
                                & memberP(X9,X11)
                                & ssItem(X11)
                                & memberP(X10,X11) ) ) )
                    | ~ ssItem(X8) ) ) )
        & ssList(X1) )
   => ( ? [X2] :
          ( ssList(X2)
          & ? [X3] :
              ( ssList(X3)
              & sK9 = X3
              & ( nil = X3
                | nil != X2 )
              & ? [X4] :
                  ( equalelemsP(X2)
                  & ssList(X4)
                  & ! [X5] :
                      ( ~ ssItem(X5)
                      | ! [X6] :
                          ( ! [X7] :
                              ( ~ ssList(X7)
                              | app(X7,cons(X5,nil)) != X2 )
                          | ~ ssList(X6)
                          | app(cons(X5,nil),X6) != X4 ) )
                  & app(X2,X4) = X3 )
              & sK8 = X2
              & nil != sK8
              & ! [X8] :
                  ( ! [X9] :
                      ( ~ ssList(X9)
                      | ! [X10] :
                          ( app(app(X9,cons(X8,nil)),X10) != sK8
                          | ~ ssList(X10)
                          | ? [X11] :
                              ( ~ leq(X8,X11)
                              & lt(X8,X11)
                              & memberP(X9,X11)
                              & ssItem(X11)
                              & memberP(X10,X11) ) ) )
                  | ~ ssItem(X8) ) ) )
      & ssList(sK9) ) ),
    introduced(choice_axiom,[]) ).

fof(f163,plain,
    ( ? [X2] :
        ( ssList(X2)
        & ? [X3] :
            ( ssList(X3)
            & sK9 = X3
            & ( nil = X3
              | nil != X2 )
            & ? [X4] :
                ( equalelemsP(X2)
                & ssList(X4)
                & ! [X5] :
                    ( ~ ssItem(X5)
                    | ! [X6] :
                        ( ! [X7] :
                            ( ~ ssList(X7)
                            | app(X7,cons(X5,nil)) != X2 )
                        | ~ ssList(X6)
                        | app(cons(X5,nil),X6) != X4 ) )
                & app(X2,X4) = X3 )
            & sK8 = X2
            & nil != sK8
            & ! [X8] :
                ( ! [X9] :
                    ( ~ ssList(X9)
                    | ! [X10] :
                        ( app(app(X9,cons(X8,nil)),X10) != sK8
                        | ~ ssList(X10)
                        | ? [X11] :
                            ( ~ leq(X8,X11)
                            & lt(X8,X11)
                            & memberP(X9,X11)
                            & ssItem(X11)
                            & memberP(X10,X11) ) ) )
                | ~ ssItem(X8) ) ) )
   => ( ssList(sK10)
      & ? [X3] :
          ( ssList(X3)
          & sK9 = X3
          & ( nil = X3
            | nil != sK10 )
          & ? [X4] :
              ( equalelemsP(sK10)
              & ssList(X4)
              & ! [X5] :
                  ( ~ ssItem(X5)
                  | ! [X6] :
                      ( ! [X7] :
                          ( ~ ssList(X7)
                          | sK10 != app(X7,cons(X5,nil)) )
                      | ~ ssList(X6)
                      | app(cons(X5,nil),X6) != X4 ) )
              & app(sK10,X4) = X3 )
          & sK10 = sK8
          & nil != sK8
          & ! [X8] :
              ( ! [X9] :
                  ( ~ ssList(X9)
                  | ! [X10] :
                      ( app(app(X9,cons(X8,nil)),X10) != sK8
                      | ~ ssList(X10)
                      | ? [X11] :
                          ( ~ leq(X8,X11)
                          & lt(X8,X11)
                          & memberP(X9,X11)
                          & ssItem(X11)
                          & memberP(X10,X11) ) ) )
              | ~ ssItem(X8) ) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f164,plain,
    ( ? [X3] :
        ( ssList(X3)
        & sK9 = X3
        & ( nil = X3
          | nil != sK10 )
        & ? [X4] :
            ( equalelemsP(sK10)
            & ssList(X4)
            & ! [X5] :
                ( ~ ssItem(X5)
                | ! [X6] :
                    ( ! [X7] :
                        ( ~ ssList(X7)
                        | sK10 != app(X7,cons(X5,nil)) )
                    | ~ ssList(X6)
                    | app(cons(X5,nil),X6) != X4 ) )
            & app(sK10,X4) = X3 )
        & sK10 = sK8
        & nil != sK8
        & ! [X8] :
            ( ! [X9] :
                ( ~ ssList(X9)
                | ! [X10] :
                    ( app(app(X9,cons(X8,nil)),X10) != sK8
                    | ~ ssList(X10)
                    | ? [X11] :
                        ( ~ leq(X8,X11)
                        & lt(X8,X11)
                        & memberP(X9,X11)
                        & ssItem(X11)
                        & memberP(X10,X11) ) ) )
            | ~ ssItem(X8) ) )
   => ( ssList(sK11)
      & sK9 = sK11
      & ( nil = sK11
        | nil != sK10 )
      & ? [X4] :
          ( equalelemsP(sK10)
          & ssList(X4)
          & ! [X5] :
              ( ~ ssItem(X5)
              | ! [X6] :
                  ( ! [X7] :
                      ( ~ ssList(X7)
                      | sK10 != app(X7,cons(X5,nil)) )
                  | ~ ssList(X6)
                  | app(cons(X5,nil),X6) != X4 ) )
          & app(sK10,X4) = sK11 )
      & sK10 = sK8
      & nil != sK8
      & ! [X8] :
          ( ! [X9] :
              ( ~ ssList(X9)
              | ! [X10] :
                  ( app(app(X9,cons(X8,nil)),X10) != sK8
                  | ~ ssList(X10)
                  | ? [X11] :
                      ( ~ leq(X8,X11)
                      & lt(X8,X11)
                      & memberP(X9,X11)
                      & ssItem(X11)
                      & memberP(X10,X11) ) ) )
          | ~ ssItem(X8) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f165,plain,
    ( ? [X4] :
        ( equalelemsP(sK10)
        & ssList(X4)
        & ! [X5] :
            ( ~ ssItem(X5)
            | ! [X6] :
                ( ! [X7] :
                    ( ~ ssList(X7)
                    | sK10 != app(X7,cons(X5,nil)) )
                | ~ ssList(X6)
                | app(cons(X5,nil),X6) != X4 ) )
        & app(sK10,X4) = sK11 )
   => ( equalelemsP(sK10)
      & ssList(sK12)
      & ! [X5] :
          ( ~ ssItem(X5)
          | ! [X6] :
              ( ! [X7] :
                  ( ~ ssList(X7)
                  | sK10 != app(X7,cons(X5,nil)) )
              | ~ ssList(X6)
              | sK12 != app(cons(X5,nil),X6) ) )
      & app(sK10,sK12) = sK11 ) ),
    introduced(choice_axiom,[]) ).

fof(f166,plain,
    ! [X8,X9,X10] :
      ( ? [X11] :
          ( ~ leq(X8,X11)
          & lt(X8,X11)
          & memberP(X9,X11)
          & ssItem(X11)
          & memberP(X10,X11) )
     => ( ~ leq(X8,sK13(X8,X9,X10))
        & lt(X8,sK13(X8,X9,X10))
        & memberP(X9,sK13(X8,X9,X10))
        & ssItem(sK13(X8,X9,X10))
        & memberP(X10,sK13(X8,X9,X10)) ) ),
    introduced(choice_axiom,[]) ).

fof(f160,plain,
    ? [X0] :
      ( ssList(X0)
      & ? [X1] :
          ( ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( ssList(X3)
                  & X1 = X3
                  & ( nil = X3
                    | nil != X2 )
                  & ? [X4] :
                      ( equalelemsP(X2)
                      & ssList(X4)
                      & ! [X5] :
                          ( ~ ssItem(X5)
                          | ! [X6] :
                              ( ! [X7] :
                                  ( ~ ssList(X7)
                                  | app(X7,cons(X5,nil)) != X2 )
                              | ~ ssList(X6)
                              | app(cons(X5,nil),X6) != X4 ) )
                      & app(X2,X4) = X3 )
                  & X0 = X2
                  & nil != X0
                  & ! [X8] :
                      ( ! [X9] :
                          ( ~ ssList(X9)
                          | ! [X10] :
                              ( app(app(X9,cons(X8,nil)),X10) != X0
                              | ~ ssList(X10)
                              | ? [X11] :
                                  ( ~ leq(X8,X11)
                                  & lt(X8,X11)
                                  & memberP(X9,X11)
                                  & ssItem(X11)
                                  & memberP(X10,X11) ) ) )
                      | ~ ssItem(X8) ) ) )
          & ssList(X1) ) ),
    inference(rectify,[],[f127]) ).

fof(f127,plain,
    ? [X0] :
      ( ssList(X0)
      & ? [X1] :
          ( ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( ssList(X3)
                  & X1 = X3
                  & ( nil = X3
                    | nil != X2 )
                  & ? [X8] :
                      ( equalelemsP(X2)
                      & ssList(X8)
                      & ! [X9] :
                          ( ~ ssItem(X9)
                          | ! [X10] :
                              ( ! [X11] :
                                  ( ~ ssList(X11)
                                  | app(X11,cons(X9,nil)) != X2 )
                              | ~ ssList(X10)
                              | app(cons(X9,nil),X10) != X8 ) )
                      & app(X2,X8) = X3 )
                  & X0 = X2
                  & nil != X0
                  & ! [X4] :
                      ( ! [X5] :
                          ( ~ ssList(X5)
                          | ! [X6] :
                              ( app(app(X5,cons(X4,nil)),X6) != X0
                              | ~ ssList(X6)
                              | ? [X7] :
                                  ( ~ leq(X4,X7)
                                  & lt(X4,X7)
                                  & memberP(X5,X7)
                                  & ssItem(X7)
                                  & memberP(X6,X7) ) ) )
                      | ~ ssItem(X4) ) ) )
          & ssList(X1) ) ),
    inference(ennf_transformation,[],[f97]) ).

fof(f97,negated_conjecture,
    ~ ! [X0] :
        ( ssList(X0)
       => ! [X1] :
            ( ssList(X1)
           => ! [X2] :
                ( ssList(X2)
               => ! [X3] :
                    ( ( nil != X3
                      & nil = X2 )
                    | X0 != X2
                    | nil = X0
                    | ! [X8] :
                        ( ? [X9] :
                            ( ? [X10] :
                                ( ssList(X10)
                                & ? [X11] :
                                    ( ssList(X11)
                                    & app(X11,cons(X9,nil)) = X2 )
                                & app(cons(X9,nil),X10) = X8 )
                            & ssItem(X9) )
                        | app(X2,X8) != X3
                        | ~ equalelemsP(X2)
                        | ~ ssList(X8) )
                    | ~ ssList(X3)
                    | ? [X4] :
                        ( ssItem(X4)
                        & ? [X5] :
                            ( ssList(X5)
                            & ? [X6] :
                                ( ssList(X6)
                                & ! [X7] :
                                    ( ~ memberP(X5,X7)
                                    | ~ lt(X4,X7)
                                    | ~ memberP(X6,X7)
                                    | ~ ssItem(X7)
                                    | leq(X4,X7) )
                                & app(app(X5,cons(X4,nil)),X6) = X0 ) ) )
                    | X1 != X3 ) ) ) ),
    inference(negated_conjecture,[],[f96]) ).

fof(f96,conjecture,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ! [X2] :
              ( ssList(X2)
             => ! [X3] :
                  ( ( nil != X3
                    & nil = X2 )
                  | X0 != X2
                  | nil = X0
                  | ! [X8] :
                      ( ? [X9] :
                          ( ? [X10] :
                              ( ssList(X10)
                              & ? [X11] :
                                  ( ssList(X11)
                                  & app(X11,cons(X9,nil)) = X2 )
                              & app(cons(X9,nil),X10) = X8 )
                          & ssItem(X9) )
                      | app(X2,X8) != X3
                      | ~ equalelemsP(X2)
                      | ~ ssList(X8) )
                  | ~ ssList(X3)
                  | ? [X4] :
                      ( ssItem(X4)
                      & ? [X5] :
                          ( ssList(X5)
                          & ? [X6] :
                              ( ssList(X6)
                              & ! [X7] :
                                  ( ~ memberP(X5,X7)
                                  | ~ lt(X4,X7)
                                  | ~ memberP(X6,X7)
                                  | ~ ssItem(X7)
                                  | leq(X4,X7) )
                              & app(app(X5,cons(X4,nil)),X6) = X0 ) ) )
                  | X1 != X3 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1) ).

fof(f434,plain,
    ( ~ ssList(sK8)
    | nil = sK8
    | memberP(nil,sK13(sK7(sK8),nil,sK6(sK8)))
    | ~ spl16_4
    | ~ spl16_6 ),
    inference(subsumption_resolution,[],[f433,f424]) ).

fof(f424,plain,
    ( ssList(cons(sK7(sK8),nil))
    | ~ spl16_6 ),
    inference(avatar_component_clause,[],[f423]) ).

fof(f423,plain,
    ( spl16_6
  <=> ssList(cons(sK7(sK8),nil)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl16_6])]) ).

fof(f433,plain,
    ( ~ ssList(cons(sK7(sK8),nil))
    | ~ ssList(sK8)
    | nil = sK8
    | memberP(nil,sK13(sK7(sK8),nil,sK6(sK8)))
    | ~ spl16_4 ),
    inference(equality_resolution,[],[f405]) ).

fof(f405,plain,
    ( ! [X0] :
        ( sK8 != X0
        | memberP(nil,sK13(sK7(X0),nil,sK6(X0)))
        | nil = X0
        | ~ ssList(X0)
        | ~ ssList(cons(sK7(X0),nil)) )
    | ~ spl16_4 ),
    inference(subsumption_resolution,[],[f404,f192]) ).

fof(f192,plain,
    ! [X0] :
      ( ssItem(sK7(X0))
      | nil = X0
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f155]) ).

fof(f155,plain,
    ! [X0] :
      ( ( ssList(sK6(X0))
        & ssItem(sK7(X0))
        & cons(sK7(X0),sK6(X0)) = X0 )
      | nil = X0
      | ~ ssList(X0) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK6,sK7])],[f109,f154,f153]) ).

fof(f153,plain,
    ! [X0] :
      ( ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ssItem(X2)
              & cons(X2,X1) = X0 ) )
     => ( ssList(sK6(X0))
        & ? [X2] :
            ( ssItem(X2)
            & cons(X2,sK6(X0)) = X0 ) ) ),
    introduced(choice_axiom,[]) ).

fof(f154,plain,
    ! [X0] :
      ( ? [X2] :
          ( ssItem(X2)
          & cons(X2,sK6(X0)) = X0 )
     => ( ssItem(sK7(X0))
        & cons(sK7(X0),sK6(X0)) = X0 ) ),
    introduced(choice_axiom,[]) ).

fof(f109,plain,
    ! [X0] :
      ( ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ssItem(X2)
              & cons(X2,X1) = X0 ) )
      | nil = X0
      | ~ ssList(X0) ),
    inference(flattening,[],[f108]) ).

fof(f108,plain,
    ! [X0] :
      ( nil = X0
      | ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ssItem(X2)
              & cons(X2,X1) = X0 ) )
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f20]) ).

fof(f20,axiom,
    ! [X0] :
      ( ssList(X0)
     => ( nil = X0
        | ? [X1] :
            ( ssList(X1)
            & ? [X2] :
                ( ssItem(X2)
                & cons(X2,X1) = X0 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax20) ).

fof(f404,plain,
    ( ! [X0] :
        ( memberP(nil,sK13(sK7(X0),nil,sK6(X0)))
        | ~ ssList(X0)
        | ~ ssList(cons(sK7(X0),nil))
        | nil = X0
        | ~ ssItem(sK7(X0))
        | sK8 != X0 )
    | ~ spl16_4 ),
    inference(subsumption_resolution,[],[f403,f193]) ).

fof(f193,plain,
    ! [X0] :
      ( ssList(sK6(X0))
      | nil = X0
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f155]) ).

fof(f403,plain,
    ( ! [X0] :
        ( sK8 != X0
        | memberP(nil,sK13(sK7(X0),nil,sK6(X0)))
        | ~ ssList(sK6(X0))
        | ~ ssList(X0)
        | nil = X0
        | ~ ssList(cons(sK7(X0),nil))
        | ~ ssItem(sK7(X0)) )
    | ~ spl16_4 ),
    inference(superposition,[],[f382,f191]) ).

fof(f191,plain,
    ! [X0] :
      ( cons(sK7(X0),sK6(X0)) = X0
      | ~ ssList(X0)
      | nil = X0 ),
    inference(cnf_transformation,[],[f155]) ).

fof(f382,plain,
    ( ! [X6,X5] :
        ( cons(X5,X6) != sK8
        | memberP(nil,sK13(X5,nil,X6))
        | ~ ssItem(X5)
        | ~ ssList(X6)
        | ~ ssList(cons(X5,nil)) )
    | ~ spl16_4 ),
    inference(duplicate_literal_removal,[],[f364]) ).

fof(f364,plain,
    ( ! [X6,X5] :
        ( ~ ssItem(X5)
        | ~ ssItem(X5)
        | cons(X5,X6) != sK8
        | memberP(nil,sK13(X5,nil,X6))
        | ~ ssList(X6)
        | ~ ssList(cons(X5,nil))
        | ~ ssList(X6) )
    | ~ spl16_4 ),
    inference(superposition,[],[f297,f242]) ).

fof(f242,plain,
    ! [X0,X1] :
      ( cons(X1,X0) = app(cons(X1,nil),X0)
      | ~ ssList(X0)
      | ~ ssItem(X1) ),
    inference(cnf_transformation,[],[f124]) ).

fof(f124,plain,
    ! [X0] :
      ( ! [X1] :
          ( ~ ssItem(X1)
          | cons(X1,X0) = app(cons(X1,nil),X0) )
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f81]) ).

fof(f81,axiom,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssItem(X1)
         => cons(X1,X0) = app(cons(X1,nil),X0) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax81) ).

fof(f297,plain,
    ( ! [X4,X5] :
        ( app(cons(X4,nil),X5) != sK8
        | memberP(nil,sK13(X4,nil,X5))
        | ~ ssList(X5)
        | ~ ssList(cons(X4,nil))
        | ~ ssItem(X4) )
    | ~ spl16_4 ),
    inference(subsumption_resolution,[],[f293,f275]) ).

fof(f275,plain,
    ( ssList(nil)
    | ~ spl16_4 ),
    inference(avatar_component_clause,[],[f274]) ).

fof(f274,plain,
    ( spl16_4
  <=> ssList(nil) ),
    introduced(avatar_definition,[new_symbols(naming,[spl16_4])]) ).

fof(f293,plain,
    ! [X4,X5] :
      ( ~ ssList(cons(X4,nil))
      | memberP(nil,sK13(X4,nil,X5))
      | app(cons(X4,nil),X5) != sK8
      | ~ ssItem(X4)
      | ~ ssList(nil)
      | ~ ssList(X5) ),
    inference(superposition,[],[f213,f204]) ).

fof(f204,plain,
    ! [X0] :
      ( app(nil,X0) = X0
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f104]) ).

fof(f104,plain,
    ! [X0] :
      ( app(nil,X0) = X0
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f28]) ).

fof(f28,axiom,
    ! [X0] :
      ( ssList(X0)
     => app(nil,X0) = X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax28) ).

fof(f213,plain,
    ! [X10,X8,X9] :
      ( app(app(X9,cons(X8,nil)),X10) != sK8
      | ~ ssList(X9)
      | ~ ssItem(X8)
      | memberP(X9,sK13(X8,X9,X10))
      | ~ ssList(X10) ),
    inference(cnf_transformation,[],[f167]) ).

fof(f432,plain,
    ( spl16_1
    | ~ spl16_4
    | spl16_6 ),
    inference(avatar_contradiction_clause,[],[f431]) ).

fof(f431,plain,
    ( $false
    | spl16_1
    | ~ spl16_4
    | spl16_6 ),
    inference(subsumption_resolution,[],[f430,f262]) ).

fof(f430,plain,
    ( nil = sK8
    | ~ spl16_4
    | spl16_6 ),
    inference(subsumption_resolution,[],[f429,f226]) ).

fof(f429,plain,
    ( ~ ssList(sK8)
    | nil = sK8
    | ~ spl16_4
    | spl16_6 ),
    inference(resolution,[],[f428,f192]) ).

fof(f428,plain,
    ( ~ ssItem(sK7(sK8))
    | ~ spl16_4
    | spl16_6 ),
    inference(subsumption_resolution,[],[f427,f275]) ).

fof(f427,plain,
    ( ~ ssList(nil)
    | ~ ssItem(sK7(sK8))
    | spl16_6 ),
    inference(resolution,[],[f425,f173]) ).

fof(f173,plain,
    ! [X0,X1] :
      ( ssList(cons(X1,X0))
      | ~ ssList(X0)
      | ~ ssItem(X1) ),
    inference(cnf_transformation,[],[f123]) ).

fof(f123,plain,
    ! [X0] :
      ( ! [X1] :
          ( ssList(cons(X1,X0))
          | ~ ssItem(X1) )
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f16]) ).

fof(f16,axiom,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssItem(X1)
         => ssList(cons(X1,X0)) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax16) ).

fof(f425,plain,
    ( ~ ssList(cons(sK7(sK8),nil))
    | spl16_6 ),
    inference(avatar_component_clause,[],[f423]) ).

fof(f426,plain,
    ( spl16_5
    | ~ spl16_6
    | spl16_1
    | ~ spl16_4 ),
    inference(avatar_split_clause,[],[f417,f274,f260,f423,f419]) ).

fof(f417,plain,
    ( ~ ssList(cons(sK7(sK8),nil))
    | ssItem(sK13(sK7(sK8),nil,sK6(sK8)))
    | spl16_1
    | ~ spl16_4 ),
    inference(subsumption_resolution,[],[f416,f262]) ).

fof(f416,plain,
    ( ssItem(sK13(sK7(sK8),nil,sK6(sK8)))
    | nil = sK8
    | ~ ssList(cons(sK7(sK8),nil))
    | ~ spl16_4 ),
    inference(subsumption_resolution,[],[f415,f226]) ).

fof(f415,plain,
    ( ~ ssList(sK8)
    | ~ ssList(cons(sK7(sK8),nil))
    | nil = sK8
    | ssItem(sK13(sK7(sK8),nil,sK6(sK8)))
    | ~ spl16_4 ),
    inference(equality_resolution,[],[f402]) ).

fof(f402,plain,
    ( ! [X0] :
        ( sK8 != X0
        | ssItem(sK13(sK7(X0),nil,sK6(X0)))
        | ~ ssList(cons(sK7(X0),nil))
        | ~ ssList(X0)
        | nil = X0 )
    | ~ spl16_4 ),
    inference(subsumption_resolution,[],[f401,f192]) ).

fof(f401,plain,
    ( ! [X0] :
        ( ~ ssList(X0)
        | sK8 != X0
        | ssItem(sK13(sK7(X0),nil,sK6(X0)))
        | ~ ssItem(sK7(X0))
        | nil = X0
        | ~ ssList(cons(sK7(X0),nil)) )
    | ~ spl16_4 ),
    inference(subsumption_resolution,[],[f400,f193]) ).

fof(f400,plain,
    ( ! [X0] :
        ( ~ ssList(cons(sK7(X0),nil))
        | ssItem(sK13(sK7(X0),nil,sK6(X0)))
        | ~ ssList(sK6(X0))
        | ~ ssList(X0)
        | nil = X0
        | sK8 != X0
        | ~ ssItem(sK7(X0)) )
    | ~ spl16_4 ),
    inference(superposition,[],[f389,f191]) ).

fof(f389,plain,
    ( ! [X10,X9] :
        ( cons(X9,X10) != sK8
        | ~ ssItem(X9)
        | ~ ssList(cons(X9,nil))
        | ~ ssList(X10)
        | ssItem(sK13(X9,nil,X10)) )
    | ~ spl16_4 ),
    inference(duplicate_literal_removal,[],[f366]) ).

fof(f366,plain,
    ( ! [X10,X9] :
        ( ~ ssList(X10)
        | ~ ssList(X10)
        | cons(X9,X10) != sK8
        | ~ ssItem(X9)
        | ~ ssItem(X9)
        | ~ ssList(cons(X9,nil))
        | ssItem(sK13(X9,nil,X10)) )
    | ~ spl16_4 ),
    inference(superposition,[],[f299,f242]) ).

fof(f299,plain,
    ( ! [X8,X9] :
        ( app(cons(X8,nil),X9) != sK8
        | ~ ssList(X9)
        | ~ ssItem(X8)
        | ssItem(sK13(X8,nil,X9))
        | ~ ssList(cons(X8,nil)) )
    | ~ spl16_4 ),
    inference(subsumption_resolution,[],[f295,f275]) ).

fof(f295,plain,
    ! [X8,X9] :
      ( ~ ssList(cons(X8,nil))
      | ~ ssItem(X8)
      | app(cons(X8,nil),X9) != sK8
      | ~ ssList(X9)
      | ~ ssList(nil)
      | ssItem(sK13(X8,nil,X9)) ),
    inference(superposition,[],[f212,f204]) ).

fof(f212,plain,
    ! [X10,X8,X9] :
      ( app(app(X9,cons(X8,nil)),X10) != sK8
      | ~ ssList(X10)
      | ~ ssList(X9)
      | ssItem(sK13(X8,X9,X10))
      | ~ ssItem(X8) ),
    inference(cnf_transformation,[],[f167]) ).

fof(f278,plain,
    spl16_4,
    inference(avatar_split_clause,[],[f229,f274]) ).

fof(f229,plain,
    ssList(nil),
    inference(cnf_transformation,[],[f17]) ).

fof(f17,axiom,
    ssList(nil),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax17) ).

fof(f268,plain,
    ~ spl16_1,
    inference(avatar_split_clause,[],[f216,f260]) ).

fof(f216,plain,
    nil != sK8,
    inference(cnf_transformation,[],[f167]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem    : SWC245+1 : TPTP v8.1.0. Released v2.4.0.
% 0.08/0.14  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.14/0.36  % Computer : n027.cluster.edu
% 0.14/0.36  % Model    : x86_64 x86_64
% 0.14/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36  % Memory   : 8042.1875MB
% 0.14/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36  % CPULimit   : 300
% 0.14/0.36  % WCLimit    : 300
% 0.14/0.36  % DateTime   : Tue Aug 30 18:53:01 EDT 2022
% 0.14/0.36  % CPUTime    : 
% 0.21/0.52  % (5696)lrs+10_1:1_drc=off:sp=reverse_frequency:spb=goal:to=lpo:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.21/0.52  % (5683)dis+1002_1:1_aac=none:bd=off:sac=on:sos=on:spb=units:i=3:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/3Mi)
% 0.21/0.52  % (5689)dis+10_1:1_newcnf=on:sgt=8:sos=on:ss=axioms:to=lpo:urr=on:i=49:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/49Mi)
% 0.21/0.53  % (5703)dis+1010_2:3_fs=off:fsr=off:nm=0:nwc=5.0:s2a=on:s2agt=32:i=82:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/82Mi)
% 0.21/0.53  % (5695)lrs+10_1:1_ins=3:sp=reverse_frequency:spb=goal:to=lpo:i=3:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/3Mi)
% 0.21/0.54  % (5705)dis+21_1:1_ep=RS:nwc=10.0:s2a=on:s2at=1.5:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 0.21/0.54  % (5695)Instruction limit reached!
% 0.21/0.54  % (5695)------------------------------
% 0.21/0.54  % (5695)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.21/0.54  % (5695)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.21/0.54  % (5695)Termination reason: Unknown
% 0.21/0.54  % (5695)Termination phase: Preprocessing 3
% 0.21/0.54  
% 0.21/0.54  % (5695)Memory used [KB]: 1535
% 0.21/0.54  % (5695)Time elapsed: 0.006 s
% 0.21/0.54  % (5695)Instructions burned: 3 (million)
% 0.21/0.54  % (5695)------------------------------
% 0.21/0.54  % (5695)------------------------------
% 0.21/0.54  % (5687)dis+1010_1:50_awrs=decay:awrsf=128:nwc=10.0:s2pl=no:sp=frequency:ss=axioms:i=39:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/39Mi)
% 0.21/0.54  % (5696)Instruction limit reached!
% 0.21/0.54  % (5696)------------------------------
% 0.21/0.54  % (5696)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.21/0.54  % (5683)Instruction limit reached!
% 0.21/0.54  % (5683)------------------------------
% 0.21/0.54  % (5683)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.21/0.54  % (5683)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.21/0.54  % (5683)Termination reason: Unknown
% 0.21/0.54  % (5683)Termination phase: Preprocessing 3
% 0.21/0.54  
% 0.21/0.54  % (5683)Memory used [KB]: 1663
% 0.21/0.54  % (5683)Time elapsed: 0.004 s
% 0.21/0.54  % (5683)Instructions burned: 4 (million)
% 0.21/0.54  % (5683)------------------------------
% 0.21/0.54  % (5683)------------------------------
% 0.21/0.54  % (5696)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.21/0.54  % (5696)Termination reason: Unknown
% 0.21/0.54  % (5696)Termination phase: Function definition elimination
% 0.21/0.54  
% 0.21/0.54  % (5696)Memory used [KB]: 1791
% 0.21/0.54  % (5696)Time elapsed: 0.005 s
% 0.21/0.54  % (5696)Instructions burned: 8 (million)
% 0.21/0.54  % (5696)------------------------------
% 0.21/0.54  % (5696)------------------------------
% 0.21/0.55  % (5681)dis+1002_1:12_drc=off:fd=preordered:tgt=full:i=99978:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99978Mi)
% 0.21/0.55  % (5708)dis+21_1:1_aac=none:abs=on:er=known:fde=none:fsr=off:nwc=5.0:s2a=on:s2at=4.0:sp=const_frequency:to=lpo:urr=ec_only:i=25:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/25Mi)
% 0.21/0.55  % (5686)dis+21_1:1_av=off:sos=on:sp=frequency:ss=included:to=lpo:i=15:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/15Mi)
% 0.21/0.56  % (5700)dis-10_3:2_amm=sco:ep=RS:fsr=off:nm=10:sd=2:sos=on:ss=axioms:st=3.0:i=11:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/11Mi)
% 0.21/0.56  % (5687)First to succeed.
% 0.21/0.56  % (5693)lrs+10_1:4_av=off:bs=unit_only:bsr=unit_only:ep=RS:s2a=on:sos=on:sp=frequency:to=lpo:i=16:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/16Mi)
% 0.21/0.56  % (5691)lrs+10_1:1_ep=R:lcm=predicate:lma=on:sos=all:spb=goal:ss=included:i=12:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/12Mi)
% 0.21/0.56  % (5698)fmb+10_1:1_nm=2:i=3:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/3Mi)
% 0.21/0.57  % (5687)Refutation found. Thanks to Tanya!
% 0.21/0.57  % SZS status Theorem for theBenchmark
% 0.21/0.57  % SZS output start Proof for theBenchmark
% See solution above
% 0.21/0.57  % (5687)------------------------------
% 0.21/0.57  % (5687)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.21/0.57  % (5687)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.21/0.57  % (5687)Termination reason: Refutation
% 0.21/0.57  
% 0.21/0.57  % (5687)Memory used [KB]: 6268
% 0.21/0.57  % (5687)Time elapsed: 0.081 s
% 0.21/0.57  % (5687)Instructions burned: 14 (million)
% 0.21/0.57  % (5687)------------------------------
% 0.21/0.57  % (5687)------------------------------
% 0.21/0.57  % (5680)Success in time 0.195 s
%------------------------------------------------------------------------------