TSTP Solution File: SWC240+1 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : SWC240+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 : n013.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 18:39:49 EDT 2022

% Result   : Theorem 0.17s 0.53s
% Output   : Refutation 0.17s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :   22
% Syntax   : Number of formulae    :  111 (  11 unt;   0 def)
%            Number of atoms       :  640 ( 134 equ)
%            Maximal formula atoms :   40 (   5 avg)
%            Number of connectives :  849 ( 320   ~; 307   |; 184   &)
%                                         (   8 <=>;  30  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   26 (   7 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :   13 (  11 usr;   7 prp; 0-2 aty)
%            Number of functors    :   11 (  11 usr;   6 con; 0-3 aty)
%            Number of variables   :  213 ( 143   !;  70   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f438,plain,
    $false,
    inference(avatar_sat_refutation,[],[f248,f328,f332,f359,f406,f410,f437]) ).

fof(f437,plain,
    ( ~ spl12_2
    | ~ spl12_3
    | ~ spl12_5
    | ~ spl12_7
    | ~ spl12_8 ),
    inference(avatar_contradiction_clause,[],[f436]) ).

fof(f436,plain,
    ( $false
    | ~ spl12_2
    | ~ spl12_3
    | ~ spl12_5
    | ~ spl12_7
    | ~ spl12_8 ),
    inference(subsumption_resolution,[],[f435,f401]) ).

fof(f401,plain,
    ( ssItem(sK11(sK10,nil,sK0(sK8)))
    | ~ spl12_7 ),
    inference(avatar_component_clause,[],[f399]) ).

fof(f399,plain,
    ( spl12_7
  <=> ssItem(sK11(sK10,nil,sK0(sK8))) ),
    introduced(avatar_definition,[new_symbols(naming,[spl12_7])]) ).

fof(f435,plain,
    ( ~ ssItem(sK11(sK10,nil,sK0(sK8)))
    | ~ spl12_2
    | ~ spl12_3
    | ~ spl12_5
    | ~ spl12_8 ),
    inference(resolution,[],[f432,f184]) ).

fof(f184,plain,
    ! [X0] :
      ( ~ memberP(nil,X0)
      | ~ ssItem(X0) ),
    inference(cnf_transformation,[],[f133]) ).

fof(f133,plain,
    ! [X0] :
      ( ~ ssItem(X0)
      | ~ memberP(nil,X0) ),
    inference(ennf_transformation,[],[f38]) ).

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

fof(f432,plain,
    ( memberP(nil,sK11(sK10,nil,sK0(sK8)))
    | ~ spl12_2
    | ~ spl12_3
    | ~ spl12_5
    | ~ spl12_8 ),
    inference(subsumption_resolution,[],[f431,f349]) ).

fof(f349,plain,
    ( ssList(sK0(sK8))
    | ~ spl12_5 ),
    inference(avatar_component_clause,[],[f348]) ).

fof(f348,plain,
    ( spl12_5
  <=> ssList(sK0(sK8)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl12_5])]) ).

fof(f431,plain,
    ( memberP(nil,sK11(sK10,nil,sK0(sK8)))
    | ~ ssList(sK0(sK8))
    | ~ spl12_2
    | ~ spl12_3
    | ~ spl12_8 ),
    inference(subsumption_resolution,[],[f430,f218]) ).

fof(f218,plain,
    ssItem(sK10),
    inference(cnf_transformation,[],[f163]) ).

fof(f163,plain,
    ( ssList(sK7)
    & ssList(sK8)
    & ssList(sK9)
    & ! [X5] :
        ( ~ memberP(sK8,X5)
        | sK10 = X5
        | ~ ssItem(X5) )
    & ssItem(sK10)
    & nil != sK6
    & sK7 = sK9
    & sK6 = sK8
    & ! [X6] :
        ( ~ ssItem(X6)
        | ! [X7] :
            ( ~ ssList(X7)
            | ! [X8] :
                ( ~ ssList(X8)
                | ( ssItem(sK11(X6,X7,X8))
                  & ~ leq(X6,sK11(X6,X7,X8))
                  & lt(X6,sK11(X6,X7,X8))
                  & memberP(X7,sK11(X6,X7,X8))
                  & memberP(X8,sK11(X6,X7,X8)) )
                | sK6 != app(app(X7,cons(X6,nil)),X8) ) ) )
    & ssList(sK6) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK6,sK7,sK8,sK9,sK10,sK11])],[f156,f162,f161,f160,f159,f158,f157]) ).

fof(f157,plain,
    ( ? [X0] :
        ( ? [X1] :
            ( ssList(X1)
            & ? [X2] :
                ( ssList(X2)
                & ? [X3] :
                    ( ssList(X3)
                    & ? [X4] :
                        ( ! [X5] :
                            ( ~ memberP(X2,X5)
                            | X4 = X5
                            | ~ ssItem(X5) )
                        & ssItem(X4) )
                    & nil != X0
                    & X1 = X3
                    & X0 = X2
                    & ! [X6] :
                        ( ~ ssItem(X6)
                        | ! [X7] :
                            ( ~ ssList(X7)
                            | ! [X8] :
                                ( ~ ssList(X8)
                                | ? [X9] :
                                    ( ssItem(X9)
                                    & ~ leq(X6,X9)
                                    & lt(X6,X9)
                                    & memberP(X7,X9)
                                    & memberP(X8,X9) )
                                | app(app(X7,cons(X6,nil)),X8) != X0 ) ) ) ) ) )
        & ssList(X0) )
   => ( ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( ssList(X3)
                  & ? [X4] :
                      ( ! [X5] :
                          ( ~ memberP(X2,X5)
                          | X4 = X5
                          | ~ ssItem(X5) )
                      & ssItem(X4) )
                  & nil != sK6
                  & X1 = X3
                  & sK6 = X2
                  & ! [X6] :
                      ( ~ ssItem(X6)
                      | ! [X7] :
                          ( ~ ssList(X7)
                          | ! [X8] :
                              ( ~ ssList(X8)
                              | ? [X9] :
                                  ( ssItem(X9)
                                  & ~ leq(X6,X9)
                                  & lt(X6,X9)
                                  & memberP(X7,X9)
                                  & memberP(X8,X9) )
                              | sK6 != app(app(X7,cons(X6,nil)),X8) ) ) ) ) ) )
      & ssList(sK6) ) ),
    introduced(choice_axiom,[]) ).

fof(f158,plain,
    ( ? [X1] :
        ( ssList(X1)
        & ? [X2] :
            ( ssList(X2)
            & ? [X3] :
                ( ssList(X3)
                & ? [X4] :
                    ( ! [X5] :
                        ( ~ memberP(X2,X5)
                        | X4 = X5
                        | ~ ssItem(X5) )
                    & ssItem(X4) )
                & nil != sK6
                & X1 = X3
                & sK6 = X2
                & ! [X6] :
                    ( ~ ssItem(X6)
                    | ! [X7] :
                        ( ~ ssList(X7)
                        | ! [X8] :
                            ( ~ ssList(X8)
                            | ? [X9] :
                                ( ssItem(X9)
                                & ~ leq(X6,X9)
                                & lt(X6,X9)
                                & memberP(X7,X9)
                                & memberP(X8,X9) )
                            | sK6 != app(app(X7,cons(X6,nil)),X8) ) ) ) ) ) )
   => ( ssList(sK7)
      & ? [X2] :
          ( ssList(X2)
          & ? [X3] :
              ( ssList(X3)
              & ? [X4] :
                  ( ! [X5] :
                      ( ~ memberP(X2,X5)
                      | X4 = X5
                      | ~ ssItem(X5) )
                  & ssItem(X4) )
              & nil != sK6
              & sK7 = X3
              & sK6 = X2
              & ! [X6] :
                  ( ~ ssItem(X6)
                  | ! [X7] :
                      ( ~ ssList(X7)
                      | ! [X8] :
                          ( ~ ssList(X8)
                          | ? [X9] :
                              ( ssItem(X9)
                              & ~ leq(X6,X9)
                              & lt(X6,X9)
                              & memberP(X7,X9)
                              & memberP(X8,X9) )
                          | sK6 != app(app(X7,cons(X6,nil)),X8) ) ) ) ) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f159,plain,
    ( ? [X2] :
        ( ssList(X2)
        & ? [X3] :
            ( ssList(X3)
            & ? [X4] :
                ( ! [X5] :
                    ( ~ memberP(X2,X5)
                    | X4 = X5
                    | ~ ssItem(X5) )
                & ssItem(X4) )
            & nil != sK6
            & sK7 = X3
            & sK6 = X2
            & ! [X6] :
                ( ~ ssItem(X6)
                | ! [X7] :
                    ( ~ ssList(X7)
                    | ! [X8] :
                        ( ~ ssList(X8)
                        | ? [X9] :
                            ( ssItem(X9)
                            & ~ leq(X6,X9)
                            & lt(X6,X9)
                            & memberP(X7,X9)
                            & memberP(X8,X9) )
                        | sK6 != app(app(X7,cons(X6,nil)),X8) ) ) ) ) )
   => ( ssList(sK8)
      & ? [X3] :
          ( ssList(X3)
          & ? [X4] :
              ( ! [X5] :
                  ( ~ memberP(sK8,X5)
                  | X4 = X5
                  | ~ ssItem(X5) )
              & ssItem(X4) )
          & nil != sK6
          & sK7 = X3
          & sK6 = sK8
          & ! [X6] :
              ( ~ ssItem(X6)
              | ! [X7] :
                  ( ~ ssList(X7)
                  | ! [X8] :
                      ( ~ ssList(X8)
                      | ? [X9] :
                          ( ssItem(X9)
                          & ~ leq(X6,X9)
                          & lt(X6,X9)
                          & memberP(X7,X9)
                          & memberP(X8,X9) )
                      | sK6 != app(app(X7,cons(X6,nil)),X8) ) ) ) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f160,plain,
    ( ? [X3] :
        ( ssList(X3)
        & ? [X4] :
            ( ! [X5] :
                ( ~ memberP(sK8,X5)
                | X4 = X5
                | ~ ssItem(X5) )
            & ssItem(X4) )
        & nil != sK6
        & sK7 = X3
        & sK6 = sK8
        & ! [X6] :
            ( ~ ssItem(X6)
            | ! [X7] :
                ( ~ ssList(X7)
                | ! [X8] :
                    ( ~ ssList(X8)
                    | ? [X9] :
                        ( ssItem(X9)
                        & ~ leq(X6,X9)
                        & lt(X6,X9)
                        & memberP(X7,X9)
                        & memberP(X8,X9) )
                    | sK6 != app(app(X7,cons(X6,nil)),X8) ) ) ) )
   => ( ssList(sK9)
      & ? [X4] :
          ( ! [X5] :
              ( ~ memberP(sK8,X5)
              | X4 = X5
              | ~ ssItem(X5) )
          & ssItem(X4) )
      & nil != sK6
      & sK7 = sK9
      & sK6 = sK8
      & ! [X6] :
          ( ~ ssItem(X6)
          | ! [X7] :
              ( ~ ssList(X7)
              | ! [X8] :
                  ( ~ ssList(X8)
                  | ? [X9] :
                      ( ssItem(X9)
                      & ~ leq(X6,X9)
                      & lt(X6,X9)
                      & memberP(X7,X9)
                      & memberP(X8,X9) )
                  | sK6 != app(app(X7,cons(X6,nil)),X8) ) ) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f161,plain,
    ( ? [X4] :
        ( ! [X5] :
            ( ~ memberP(sK8,X5)
            | X4 = X5
            | ~ ssItem(X5) )
        & ssItem(X4) )
   => ( ! [X5] :
          ( ~ memberP(sK8,X5)
          | sK10 = X5
          | ~ ssItem(X5) )
      & ssItem(sK10) ) ),
    introduced(choice_axiom,[]) ).

fof(f162,plain,
    ! [X6,X7,X8] :
      ( ? [X9] :
          ( ssItem(X9)
          & ~ leq(X6,X9)
          & lt(X6,X9)
          & memberP(X7,X9)
          & memberP(X8,X9) )
     => ( ssItem(sK11(X6,X7,X8))
        & ~ leq(X6,sK11(X6,X7,X8))
        & lt(X6,sK11(X6,X7,X8))
        & memberP(X7,sK11(X6,X7,X8))
        & memberP(X8,sK11(X6,X7,X8)) ) ),
    introduced(choice_axiom,[]) ).

fof(f156,plain,
    ? [X0] :
      ( ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( ssList(X3)
                  & ? [X4] :
                      ( ! [X5] :
                          ( ~ memberP(X2,X5)
                          | X4 = X5
                          | ~ ssItem(X5) )
                      & ssItem(X4) )
                  & nil != X0
                  & X1 = X3
                  & X0 = X2
                  & ! [X6] :
                      ( ~ ssItem(X6)
                      | ! [X7] :
                          ( ~ ssList(X7)
                          | ! [X8] :
                              ( ~ ssList(X8)
                              | ? [X9] :
                                  ( ssItem(X9)
                                  & ~ leq(X6,X9)
                                  & lt(X6,X9)
                                  & memberP(X7,X9)
                                  & memberP(X8,X9) )
                              | app(app(X7,cons(X6,nil)),X8) != X0 ) ) ) ) ) )
      & ssList(X0) ),
    inference(rectify,[],[f126]) ).

fof(f126,plain,
    ? [X0] :
      ( ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( ssList(X3)
                  & ? [X8] :
                      ( ! [X9] :
                          ( ~ memberP(X2,X9)
                          | X8 = X9
                          | ~ ssItem(X9) )
                      & ssItem(X8) )
                  & nil != X0
                  & X1 = X3
                  & X0 = X2
                  & ! [X4] :
                      ( ~ ssItem(X4)
                      | ! [X5] :
                          ( ~ ssList(X5)
                          | ! [X6] :
                              ( ~ ssList(X6)
                              | ? [X7] :
                                  ( ssItem(X7)
                                  & ~ leq(X4,X7)
                                  & lt(X4,X7)
                                  & memberP(X5,X7)
                                  & memberP(X6,X7) )
                              | app(app(X5,cons(X4,nil)),X6) != X0 ) ) ) ) ) )
      & ssList(X0) ),
    inference(flattening,[],[f125]) ).

fof(f125,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ! [X4] :
                      ( ! [X5] :
                          ( ~ ssList(X5)
                          | ! [X6] :
                              ( ? [X7] :
                                  ( memberP(X6,X7)
                                  & lt(X4,X7)
                                  & ~ leq(X4,X7)
                                  & memberP(X5,X7)
                                  & ssItem(X7) )
                              | app(app(X5,cons(X4,nil)),X6) != X0
                              | ~ ssList(X6) ) )
                      | ~ ssItem(X4) )
                  & X1 = X3
                  & ? [X8] :
                      ( ! [X9] :
                          ( ~ memberP(X2,X9)
                          | X8 = X9
                          | ~ ssItem(X9) )
                      & ssItem(X8) )
                  & X0 = X2
                  & nil != X0
                  & 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] :
                          ( ? [X5] :
                              ( ssList(X5)
                              & ? [X6] :
                                  ( ! [X7] :
                                      ( ssItem(X7)
                                     => ( ~ memberP(X6,X7)
                                        | ~ lt(X4,X7)
                                        | leq(X4,X7)
                                        | ~ memberP(X5,X7) ) )
                                  & app(app(X5,cons(X4,nil)),X6) = X0
                                  & ssList(X6) ) )
                          & ssItem(X4) )
                      | X1 != X3
                      | ! [X8] :
                          ( ssItem(X8)
                         => ? [X9] :
                              ( X8 != X9
                              & ssItem(X9)
                              & memberP(X2,X9) ) )
                      | X0 != X2
                      | nil = X0 ) ) ) ) ),
    inference(negated_conjecture,[],[f96]) ).

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

fof(f430,plain,
    ( memberP(nil,sK11(sK10,nil,sK0(sK8)))
    | ~ ssItem(sK10)
    | ~ ssList(sK0(sK8))
    | ~ spl12_2
    | ~ spl12_3
    | ~ spl12_8 ),
    inference(subsumption_resolution,[],[f429,f404]) ).

fof(f404,plain,
    ( ssList(cons(sK10,nil))
    | ~ spl12_8 ),
    inference(avatar_component_clause,[],[f403]) ).

fof(f403,plain,
    ( spl12_8
  <=> ssList(cons(sK10,nil)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl12_8])]) ).

fof(f429,plain,
    ( ~ ssList(cons(sK10,nil))
    | ~ ssItem(sK10)
    | memberP(nil,sK11(sK10,nil,sK0(sK8)))
    | ~ ssList(sK0(sK8))
    | ~ spl12_2
    | ~ spl12_3 ),
    inference(trivial_inequality_removal,[],[f428]) ).

fof(f428,plain,
    ( memberP(nil,sK11(sK10,nil,sK0(sK8)))
    | ~ ssItem(sK10)
    | sK8 != sK8
    | ~ ssList(cons(sK10,nil))
    | ~ ssList(sK0(sK8))
    | ~ spl12_2
    | ~ spl12_3 ),
    inference(superposition,[],[f384,f338]) ).

fof(f338,plain,
    ( cons(sK10,sK0(sK8)) = sK8
    | ~ spl12_3 ),
    inference(subsumption_resolution,[],[f337,f221]) ).

fof(f221,plain,
    ssList(sK8),
    inference(cnf_transformation,[],[f163]) ).

fof(f337,plain,
    ( ~ ssList(sK8)
    | cons(sK10,sK0(sK8)) = sK8
    | ~ spl12_3 ),
    inference(subsumption_resolution,[],[f335,f224]) ).

fof(f224,plain,
    nil != sK8,
    inference(definition_unfolding,[],[f217,f215]) ).

fof(f215,plain,
    sK6 = sK8,
    inference(cnf_transformation,[],[f163]) ).

fof(f217,plain,
    nil != sK6,
    inference(cnf_transformation,[],[f163]) ).

fof(f335,plain,
    ( nil = sK8
    | ~ ssList(sK8)
    | cons(sK10,sK0(sK8)) = sK8
    | ~ spl12_3 ),
    inference(superposition,[],[f183,f323]) ).

fof(f323,plain,
    ( sK10 = sK1(sK8)
    | ~ spl12_3 ),
    inference(avatar_component_clause,[],[f321]) ).

fof(f321,plain,
    ( spl12_3
  <=> sK10 = sK1(sK8) ),
    introduced(avatar_definition,[new_symbols(naming,[spl12_3])]) ).

fof(f183,plain,
    ! [X0] :
      ( cons(sK1(X0),sK0(X0)) = X0
      | ~ ssList(X0)
      | nil = X0 ),
    inference(cnf_transformation,[],[f145]) ).

fof(f145,plain,
    ! [X0] :
      ( nil = X0
      | ~ ssList(X0)
      | ( cons(sK1(X0),sK0(X0)) = X0
        & ssItem(sK1(X0))
        & ssList(sK0(X0)) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f108,f144,f143]) ).

fof(f143,plain,
    ! [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( cons(X2,X1) = X0
              & ssItem(X2) )
          & ssList(X1) )
     => ( ? [X2] :
            ( cons(X2,sK0(X0)) = X0
            & ssItem(X2) )
        & ssList(sK0(X0)) ) ),
    introduced(choice_axiom,[]) ).

fof(f144,plain,
    ! [X0] :
      ( ? [X2] :
          ( cons(X2,sK0(X0)) = X0
          & ssItem(X2) )
     => ( cons(sK1(X0),sK0(X0)) = X0
        & ssItem(sK1(X0)) ) ),
    introduced(choice_axiom,[]) ).

fof(f108,plain,
    ! [X0] :
      ( nil = X0
      | ~ ssList(X0)
      | ? [X1] :
          ( ? [X2] :
              ( cons(X2,X1) = X0
              & ssItem(X2) )
          & ssList(X1) ) ),
    inference(flattening,[],[f107]) ).

fof(f107,plain,
    ! [X0] :
      ( nil = X0
      | ? [X1] :
          ( ? [X2] :
              ( cons(X2,X1) = X0
              & ssItem(X2) )
          & ssList(X1) )
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f20]) ).

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

fof(f384,plain,
    ( ! [X0,X1] :
        ( cons(X0,X1) != sK8
        | ~ ssList(X1)
        | memberP(nil,sK11(X0,nil,X1))
        | ~ ssList(cons(X0,nil))
        | ~ ssItem(X0) )
    | ~ spl12_2 ),
    inference(duplicate_literal_removal,[],[f360]) ).

fof(f360,plain,
    ( ! [X0,X1] :
        ( ~ ssItem(X0)
        | memberP(nil,sK11(X0,nil,X1))
        | ~ ssList(X1)
        | ~ ssItem(X0)
        | ~ ssList(cons(X0,nil))
        | cons(X0,X1) != sK8
        | ~ ssList(X1) )
    | ~ spl12_2 ),
    inference(superposition,[],[f257,f174]) ).

fof(f174,plain,
    ! [X0,X1] :
      ( cons(X1,X0) = app(cons(X1,nil),X0)
      | ~ ssList(X0)
      | ~ ssItem(X1) ),
    inference(cnf_transformation,[],[f120]) ).

fof(f120,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ~ ssItem(X1)
          | cons(X1,X0) = app(cons(X1,nil),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/sandbox/benchmark/theBenchmark.p',ax81) ).

fof(f257,plain,
    ( ! [X2,X3] :
        ( app(cons(X2,nil),X3) != sK8
        | ~ ssList(X3)
        | ~ ssItem(X2)
        | memberP(nil,sK11(X2,nil,X3))
        | ~ ssList(cons(X2,nil)) )
    | ~ spl12_2 ),
    inference(subsumption_resolution,[],[f250,f245]) ).

fof(f245,plain,
    ( ssList(nil)
    | ~ spl12_2 ),
    inference(avatar_component_clause,[],[f244]) ).

fof(f244,plain,
    ( spl12_2
  <=> ssList(nil) ),
    introduced(avatar_definition,[new_symbols(naming,[spl12_2])]) ).

fof(f250,plain,
    ! [X2,X3] :
      ( app(cons(X2,nil),X3) != sK8
      | ~ ssList(nil)
      | ~ ssList(X3)
      | ~ ssItem(X2)
      | ~ ssList(cons(X2,nil))
      | memberP(nil,sK11(X2,nil,X3)) ),
    inference(superposition,[],[f228,f179]) ).

fof(f179,plain,
    ! [X0] :
      ( app(nil,X0) = X0
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f122]) ).

fof(f122,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/sandbox/benchmark/theBenchmark.p',ax28) ).

fof(f228,plain,
    ! [X8,X6,X7] :
      ( app(app(X7,cons(X6,nil)),X8) != sK8
      | ~ ssList(X7)
      | memberP(X7,sK11(X6,X7,X8))
      | ~ ssItem(X6)
      | ~ ssList(X8) ),
    inference(definition_unfolding,[],[f211,f215]) ).

fof(f211,plain,
    ! [X8,X6,X7] :
      ( ~ ssItem(X6)
      | ~ ssList(X7)
      | ~ ssList(X8)
      | memberP(X7,sK11(X6,X7,X8))
      | sK6 != app(app(X7,cons(X6,nil)),X8) ),
    inference(cnf_transformation,[],[f163]) ).

fof(f410,plain,
    ( ~ spl12_2
    | spl12_8 ),
    inference(avatar_contradiction_clause,[],[f409]) ).

fof(f409,plain,
    ( $false
    | ~ spl12_2
    | spl12_8 ),
    inference(subsumption_resolution,[],[f408,f245]) ).

fof(f408,plain,
    ( ~ ssList(nil)
    | spl12_8 ),
    inference(subsumption_resolution,[],[f407,f218]) ).

fof(f407,plain,
    ( ~ ssItem(sK10)
    | ~ ssList(nil)
    | spl12_8 ),
    inference(resolution,[],[f405,f188]) ).

fof(f188,plain,
    ! [X0,X1] :
      ( ssList(cons(X1,X0))
      | ~ ssItem(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f123]) ).

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

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

fof(f405,plain,
    ( ~ ssList(cons(sK10,nil))
    | spl12_8 ),
    inference(avatar_component_clause,[],[f403]) ).

fof(f406,plain,
    ( spl12_7
    | ~ spl12_8
    | ~ spl12_2
    | ~ spl12_3
    | ~ spl12_5 ),
    inference(avatar_split_clause,[],[f397,f348,f321,f244,f403,f399]) ).

fof(f397,plain,
    ( ~ ssList(cons(sK10,nil))
    | ssItem(sK11(sK10,nil,sK0(sK8)))
    | ~ spl12_2
    | ~ spl12_3
    | ~ spl12_5 ),
    inference(subsumption_resolution,[],[f396,f349]) ).

fof(f396,plain,
    ( ~ ssList(cons(sK10,nil))
    | ~ ssList(sK0(sK8))
    | ssItem(sK11(sK10,nil,sK0(sK8)))
    | ~ spl12_2
    | ~ spl12_3 ),
    inference(subsumption_resolution,[],[f393,f218]) ).

fof(f393,plain,
    ( ~ ssItem(sK10)
    | ~ ssList(sK0(sK8))
    | ~ ssList(cons(sK10,nil))
    | ssItem(sK11(sK10,nil,sK0(sK8)))
    | ~ spl12_2
    | ~ spl12_3 ),
    inference(trivial_inequality_removal,[],[f392]) ).

fof(f392,plain,
    ( ~ ssItem(sK10)
    | ~ ssList(sK0(sK8))
    | sK8 != sK8
    | ssItem(sK11(sK10,nil,sK0(sK8)))
    | ~ ssList(cons(sK10,nil))
    | ~ spl12_2
    | ~ spl12_3 ),
    inference(superposition,[],[f379,f338]) ).

fof(f379,plain,
    ( ! [X8,X9] :
        ( sK8 != cons(X8,X9)
        | ssItem(sK11(X8,nil,X9))
        | ~ ssList(X9)
        | ~ ssList(cons(X8,nil))
        | ~ ssItem(X8) )
    | ~ spl12_2 ),
    inference(duplicate_literal_removal,[],[f364]) ).

fof(f364,plain,
    ( ! [X8,X9] :
        ( ~ ssList(X9)
        | sK8 != cons(X8,X9)
        | ~ ssList(X9)
        | ~ ssList(cons(X8,nil))
        | ~ ssItem(X8)
        | ~ ssItem(X8)
        | ssItem(sK11(X8,nil,X9)) )
    | ~ spl12_2 ),
    inference(superposition,[],[f258,f174]) ).

fof(f258,plain,
    ( ! [X8,X9] :
        ( app(cons(X8,nil),X9) != sK8
        | ~ ssItem(X8)
        | ~ ssList(cons(X8,nil))
        | ~ ssList(X9)
        | ssItem(sK11(X8,nil,X9)) )
    | ~ spl12_2 ),
    inference(subsumption_resolution,[],[f253,f245]) ).

fof(f253,plain,
    ! [X8,X9] :
      ( ~ ssItem(X8)
      | ~ ssList(nil)
      | ~ ssList(X9)
      | ssItem(sK11(X8,nil,X9))
      | ~ ssList(cons(X8,nil))
      | app(cons(X8,nil),X9) != sK8 ),
    inference(superposition,[],[f225,f179]) ).

fof(f225,plain,
    ! [X8,X6,X7] :
      ( app(app(X7,cons(X6,nil)),X8) != sK8
      | ~ ssList(X8)
      | ssItem(sK11(X6,X7,X8))
      | ~ ssItem(X6)
      | ~ ssList(X7) ),
    inference(definition_unfolding,[],[f214,f215]) ).

fof(f214,plain,
    ! [X8,X6,X7] :
      ( ~ ssItem(X6)
      | ~ ssList(X7)
      | ~ ssList(X8)
      | ssItem(sK11(X6,X7,X8))
      | sK6 != app(app(X7,cons(X6,nil)),X8) ),
    inference(cnf_transformation,[],[f163]) ).

fof(f359,plain,
    spl12_5,
    inference(avatar_contradiction_clause,[],[f358]) ).

fof(f358,plain,
    ( $false
    | spl12_5 ),
    inference(subsumption_resolution,[],[f357,f221]) ).

fof(f357,plain,
    ( ~ ssList(sK8)
    | spl12_5 ),
    inference(subsumption_resolution,[],[f356,f224]) ).

fof(f356,plain,
    ( nil = sK8
    | ~ ssList(sK8)
    | spl12_5 ),
    inference(resolution,[],[f350,f181]) ).

fof(f181,plain,
    ! [X0] :
      ( ssList(sK0(X0))
      | nil = X0
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f145]) ).

fof(f350,plain,
    ( ~ ssList(sK0(sK8))
    | spl12_5 ),
    inference(avatar_component_clause,[],[f348]) ).

fof(f332,plain,
    spl12_4,
    inference(avatar_contradiction_clause,[],[f331]) ).

fof(f331,plain,
    ( $false
    | spl12_4 ),
    inference(subsumption_resolution,[],[f330,f221]) ).

fof(f330,plain,
    ( ~ ssList(sK8)
    | spl12_4 ),
    inference(subsumption_resolution,[],[f329,f224]) ).

fof(f329,plain,
    ( nil = sK8
    | ~ ssList(sK8)
    | spl12_4 ),
    inference(resolution,[],[f327,f182]) ).

fof(f182,plain,
    ! [X0] :
      ( ssItem(sK1(X0))
      | nil = X0
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f145]) ).

fof(f327,plain,
    ( ~ ssItem(sK1(sK8))
    | spl12_4 ),
    inference(avatar_component_clause,[],[f325]) ).

fof(f325,plain,
    ( spl12_4
  <=> ssItem(sK1(sK8)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl12_4])]) ).

fof(f328,plain,
    ( spl12_3
    | ~ spl12_4 ),
    inference(avatar_split_clause,[],[f319,f325,f321]) ).

fof(f319,plain,
    ( ~ ssItem(sK1(sK8))
    | sK10 = sK1(sK8) ),
    inference(subsumption_resolution,[],[f318,f221]) ).

fof(f318,plain,
    ( ~ ssItem(sK1(sK8))
    | sK10 = sK1(sK8)
    | ~ ssList(sK8) ),
    inference(subsumption_resolution,[],[f316,f224]) ).

fof(f316,plain,
    ( sK10 = sK1(sK8)
    | nil = sK8
    | ~ ssList(sK8)
    | ~ ssItem(sK1(sK8)) ),
    inference(resolution,[],[f315,f219]) ).

fof(f219,plain,
    ! [X5] :
      ( ~ memberP(sK8,X5)
      | sK10 = X5
      | ~ ssItem(X5) ),
    inference(cnf_transformation,[],[f163]) ).

fof(f315,plain,
    ! [X0] :
      ( memberP(X0,sK1(X0))
      | ~ ssList(X0)
      | nil = X0 ),
    inference(subsumption_resolution,[],[f314,f182]) ).

fof(f314,plain,
    ! [X0] :
      ( memberP(X0,sK1(X0))
      | ~ ssList(X0)
      | ~ ssItem(sK1(X0))
      | nil = X0 ),
    inference(subsumption_resolution,[],[f308,f181]) ).

fof(f308,plain,
    ! [X0] :
      ( memberP(X0,sK1(X0))
      | nil = X0
      | ~ ssList(sK0(X0))
      | ~ ssList(X0)
      | ~ ssItem(sK1(X0)) ),
    inference(superposition,[],[f237,f183]) ).

fof(f237,plain,
    ! [X2,X1] :
      ( memberP(cons(X1,X2),X1)
      | ~ ssList(X2)
      | ~ ssItem(X1) ),
    inference(duplicate_literal_removal,[],[f233]) ).

fof(f233,plain,
    ! [X2,X1] :
      ( memberP(cons(X1,X2),X1)
      | ~ ssList(X2)
      | ~ ssItem(X1)
      | ~ ssItem(X1) ),
    inference(equality_resolution,[],[f172]) ).

fof(f172,plain,
    ! [X2,X0,X1] :
      ( ~ ssItem(X1)
      | memberP(cons(X1,X2),X0)
      | X0 != X1
      | ~ ssList(X2)
      | ~ ssItem(X0) ),
    inference(cnf_transformation,[],[f142]) ).

fof(f142,plain,
    ! [X0] :
      ( ! [X1] :
          ( ~ ssItem(X1)
          | ! [X2] :
              ( ( ( memberP(cons(X1,X2),X0)
                  | ( ~ memberP(X2,X0)
                    & X0 != X1 ) )
                & ( memberP(X2,X0)
                  | X0 = X1
                  | ~ memberP(cons(X1,X2),X0) ) )
              | ~ ssList(X2) ) )
      | ~ ssItem(X0) ),
    inference(flattening,[],[f141]) ).

fof(f141,plain,
    ! [X0] :
      ( ! [X1] :
          ( ~ ssItem(X1)
          | ! [X2] :
              ( ( ( memberP(cons(X1,X2),X0)
                  | ( ~ memberP(X2,X0)
                    & X0 != X1 ) )
                & ( memberP(X2,X0)
                  | X0 = X1
                  | ~ memberP(cons(X1,X2),X0) ) )
              | ~ ssList(X2) ) )
      | ~ ssItem(X0) ),
    inference(nnf_transformation,[],[f132]) ).

fof(f132,plain,
    ! [X0] :
      ( ! [X1] :
          ( ~ ssItem(X1)
          | ! [X2] :
              ( ( memberP(cons(X1,X2),X0)
              <=> ( memberP(X2,X0)
                  | X0 = X1 ) )
              | ~ ssList(X2) ) )
      | ~ ssItem(X0) ),
    inference(ennf_transformation,[],[f37]) ).

fof(f37,axiom,
    ! [X0] :
      ( ssItem(X0)
     => ! [X1] :
          ( ssItem(X1)
         => ! [X2] :
              ( ssList(X2)
             => ( memberP(cons(X1,X2),X0)
              <=> ( memberP(X2,X0)
                  | X0 = X1 ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax37) ).

fof(f248,plain,
    spl12_2,
    inference(avatar_split_clause,[],[f170,f244]) ).

fof(f170,plain,
    ssList(nil),
    inference(cnf_transformation,[],[f17]) ).

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

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem    : SWC240+1 : TPTP v8.1.0. Released v2.4.0.
% 0.03/0.12  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.11/0.32  % Computer : n013.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit   : 300
% 0.11/0.32  % WCLimit    : 300
% 0.11/0.32  % DateTime   : Tue Aug 30 18:34:01 EDT 2022
% 0.11/0.33  % CPUTime    : 
% 0.17/0.48  % (13385)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)
% 0.17/0.49  % (13385)Instruction limit reached!
% 0.17/0.49  % (13385)------------------------------
% 0.17/0.49  % (13385)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.17/0.49  % (13385)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.17/0.49  % (13385)Termination reason: Unknown
% 0.17/0.49  % (13385)Termination phase: Preprocessing 3
% 0.17/0.49  
% 0.17/0.49  % (13385)Memory used [KB]: 1663
% 0.17/0.49  % (13385)Time elapsed: 0.004 s
% 0.17/0.49  % (13385)Instructions burned: 4 (million)
% 0.17/0.49  % (13385)------------------------------
% 0.17/0.49  % (13385)------------------------------
% 0.17/0.49  % (13377)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)
% 0.17/0.49  % (13386)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)
% 0.17/0.49  % (13394)dis+10_1:1_av=off:sos=on:sp=reverse_arity:ss=included:st=2.0:to=lpo:urr=ec_only:i=45:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/45Mi)
% 0.17/0.50  % (13381)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)
% 0.17/0.51  % (13386)Instruction limit reached!
% 0.17/0.51  % (13386)------------------------------
% 0.17/0.51  % (13386)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.17/0.51  % (13393)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)
% 0.17/0.51  % (13384)lrs+10_1:32_br=off:nm=16:sd=2:ss=axioms:st=2.0:urr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.17/0.52  % (13378)lrs+2_1:1_lcm=reverse:lma=on:sos=all:spb=goal_then_units:ss=included:urr=on:i=39:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/39Mi)
% 0.17/0.52  % (13386)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.17/0.52  % (13386)Termination reason: Unknown
% 0.17/0.52  % (13386)Termination phase: Property scanning
% 0.17/0.52  
% 0.17/0.52  % (13386)Memory used [KB]: 1791
% 0.17/0.52  % (13386)Time elapsed: 0.007 s
% 0.17/0.52  % (13386)Instructions burned: 7 (million)
% 0.17/0.52  % (13386)------------------------------
% 0.17/0.52  % (13386)------------------------------
% 0.17/0.52  % (13377)First to succeed.
% 0.17/0.52  % (13372)lrs+10_1:1_gsp=on:sd=1:sgt=32:sos=on:ss=axioms:i=13:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/13Mi)
% 0.17/0.52  % (13383)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)
% 0.17/0.52  % (13373)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)
% 0.17/0.52  % (13371)dis+1002_1:12_drc=off:fd=preordered:tgt=full:i=99978:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99978Mi)
% 0.17/0.52  % (13373)Instruction limit reached!
% 0.17/0.52  % (13373)------------------------------
% 0.17/0.52  % (13373)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.17/0.52  % (13373)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.17/0.52  % (13373)Termination reason: Unknown
% 0.17/0.52  % (13373)Termination phase: Preprocessing 3
% 0.17/0.52  
% 0.17/0.52  % (13373)Memory used [KB]: 1663
% 0.17/0.52  % (13373)Time elapsed: 0.004 s
% 0.17/0.52  % (13373)Instructions burned: 4 (million)
% 0.17/0.52  % (13373)------------------------------
% 0.17/0.52  % (13373)------------------------------
% 0.17/0.53  % (13381)Refutation not found, incomplete strategy% (13381)------------------------------
% 0.17/0.53  % (13381)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.17/0.53  % (13381)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.17/0.53  % (13381)Termination reason: Refutation not found, incomplete strategy
% 0.17/0.53  
% 0.17/0.53  % (13381)Memory used [KB]: 6268
% 0.17/0.53  % (13381)Time elapsed: 0.142 s
% 0.17/0.53  % (13381)Instructions burned: 8 (million)
% 0.17/0.53  % (13381)------------------------------
% 0.17/0.53  % (13381)------------------------------
% 0.17/0.53  % (13376)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)
% 0.17/0.53  % (13377)Refutation found. Thanks to Tanya!
% 0.17/0.53  % SZS status Theorem for theBenchmark
% 0.17/0.53  % SZS output start Proof for theBenchmark
% See solution above
% 0.17/0.53  % (13377)------------------------------
% 0.17/0.53  % (13377)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.17/0.53  % (13377)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.17/0.53  % (13377)Termination reason: Refutation
% 0.17/0.53  
% 0.17/0.53  % (13377)Memory used [KB]: 6268
% 0.17/0.53  % (13377)Time elapsed: 0.125 s
% 0.17/0.53  % (13377)Instructions burned: 13 (million)
% 0.17/0.53  % (13377)------------------------------
% 0.17/0.53  % (13377)------------------------------
% 0.17/0.53  % (13370)Success in time 0.195 s
%------------------------------------------------------------------------------