TSTP Solution File: SWC379+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SWC379+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 : n008.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 18:43:29 EDT 2022

% Result   : Theorem 1.39s 0.54s
% Output   : Refutation 1.39s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   25
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   65 (  10 unt;   0 def)
%            Number of atoms       :  658 ( 122 equ)
%            Maximal formula atoms :   64 (  10 avg)
%            Number of connectives :  892 ( 299   ~; 298   |; 267   &)
%                                         (   0 <=>;  28  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   23 (   7 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   6 con; 0-1 aty)
%            Number of variables   :  144 (  69   !;  75   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f692,plain,
    $false,
    inference(subsumption_resolution,[],[f691,f676]) ).

fof(f676,plain,
    sK58 != sK57(sK58),
    inference(subsumption_resolution,[],[f675,f553]) ).

fof(f553,plain,
    ssItem(sK58),
    inference(cnf_transformation,[],[f350]) ).

fof(f350,plain,
    ( ssList(sK55)
    & ! [X4] :
        ( ( ( ~ memberP(sK56,X4)
            | ( leq(sK57(X4),X4)
              & sK57(X4) != X4
              & ssItem(sK57(X4))
              & memberP(sK56,sK57(X4)) )
            | memberP(sK55,X4) )
          & ( ~ memberP(sK55,X4)
            | ( ! [X6] :
                  ( X4 = X6
                  | ~ memberP(sK56,X6)
                  | ~ ssItem(X6)
                  | ~ leq(X6,X4) )
              & memberP(sK56,X4) ) ) )
        | ~ ssItem(X4) )
    & ( ~ memberP(sK54,sK58)
      | ( leq(sK59,sK58)
        & memberP(sK54,sK59)
        & sK59 != sK58
        & ssItem(sK59) )
      | ~ memberP(sK53,sK58) )
    & ( memberP(sK53,sK58)
      | ( ! [X9] :
            ( sK58 = X9
            | ~ leq(X9,sK58)
            | ~ memberP(sK54,X9)
            | ~ ssItem(X9) )
        & memberP(sK54,sK58) ) )
    & ssItem(sK58)
    & ssList(sK56)
    & sK53 = sK55
    & sK54 = sK56
    & ssList(sK54)
    & ssList(sK53) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK53,sK54,sK55,sK56,sK57,sK58,sK59])],[f342,f349,f348,f347,f346,f345,f344,f343]) ).

fof(f343,plain,
    ( ? [X0] :
        ( ? [X1] :
            ( ? [X2] :
                ( ssList(X2)
                & ? [X3] :
                    ( ! [X4] :
                        ( ( ( ~ memberP(X3,X4)
                            | ? [X5] :
                                ( leq(X5,X4)
                                & X4 != X5
                                & ssItem(X5)
                                & memberP(X3,X5) )
                            | memberP(X2,X4) )
                          & ( ~ memberP(X2,X4)
                            | ( ! [X6] :
                                  ( X4 = X6
                                  | ~ memberP(X3,X6)
                                  | ~ ssItem(X6)
                                  | ~ leq(X6,X4) )
                              & memberP(X3,X4) ) ) )
                        | ~ ssItem(X4) )
                    & ? [X7] :
                        ( ( ~ memberP(X1,X7)
                          | ? [X8] :
                              ( leq(X8,X7)
                              & memberP(X1,X8)
                              & X7 != X8
                              & ssItem(X8) )
                          | ~ memberP(X0,X7) )
                        & ( memberP(X0,X7)
                          | ( ! [X9] :
                                ( X7 = X9
                                | ~ leq(X9,X7)
                                | ~ memberP(X1,X9)
                                | ~ ssItem(X9) )
                            & memberP(X1,X7) ) )
                        & ssItem(X7) )
                    & ssList(X3)
                    & X0 = X2
                    & X1 = X3 ) )
            & ssList(X1) )
        & ssList(X0) )
   => ( ? [X1] :
          ( ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( ! [X4] :
                      ( ( ( ~ memberP(X3,X4)
                          | ? [X5] :
                              ( leq(X5,X4)
                              & X4 != X5
                              & ssItem(X5)
                              & memberP(X3,X5) )
                          | memberP(X2,X4) )
                        & ( ~ memberP(X2,X4)
                          | ( ! [X6] :
                                ( X4 = X6
                                | ~ memberP(X3,X6)
                                | ~ ssItem(X6)
                                | ~ leq(X6,X4) )
                            & memberP(X3,X4) ) ) )
                      | ~ ssItem(X4) )
                  & ? [X7] :
                      ( ( ~ memberP(X1,X7)
                        | ? [X8] :
                            ( leq(X8,X7)
                            & memberP(X1,X8)
                            & X7 != X8
                            & ssItem(X8) )
                        | ~ memberP(sK53,X7) )
                      & ( memberP(sK53,X7)
                        | ( ! [X9] :
                              ( X7 = X9
                              | ~ leq(X9,X7)
                              | ~ memberP(X1,X9)
                              | ~ ssItem(X9) )
                          & memberP(X1,X7) ) )
                      & ssItem(X7) )
                  & ssList(X3)
                  & sK53 = X2
                  & X1 = X3 ) )
          & ssList(X1) )
      & ssList(sK53) ) ),
    introduced(choice_axiom,[]) ).

fof(f344,plain,
    ( ? [X1] :
        ( ? [X2] :
            ( ssList(X2)
            & ? [X3] :
                ( ! [X4] :
                    ( ( ( ~ memberP(X3,X4)
                        | ? [X5] :
                            ( leq(X5,X4)
                            & X4 != X5
                            & ssItem(X5)
                            & memberP(X3,X5) )
                        | memberP(X2,X4) )
                      & ( ~ memberP(X2,X4)
                        | ( ! [X6] :
                              ( X4 = X6
                              | ~ memberP(X3,X6)
                              | ~ ssItem(X6)
                              | ~ leq(X6,X4) )
                          & memberP(X3,X4) ) ) )
                    | ~ ssItem(X4) )
                & ? [X7] :
                    ( ( ~ memberP(X1,X7)
                      | ? [X8] :
                          ( leq(X8,X7)
                          & memberP(X1,X8)
                          & X7 != X8
                          & ssItem(X8) )
                      | ~ memberP(sK53,X7) )
                    & ( memberP(sK53,X7)
                      | ( ! [X9] :
                            ( X7 = X9
                            | ~ leq(X9,X7)
                            | ~ memberP(X1,X9)
                            | ~ ssItem(X9) )
                        & memberP(X1,X7) ) )
                    & ssItem(X7) )
                & ssList(X3)
                & sK53 = X2
                & X1 = X3 ) )
        & ssList(X1) )
   => ( ? [X2] :
          ( ssList(X2)
          & ? [X3] :
              ( ! [X4] :
                  ( ( ( ~ memberP(X3,X4)
                      | ? [X5] :
                          ( leq(X5,X4)
                          & X4 != X5
                          & ssItem(X5)
                          & memberP(X3,X5) )
                      | memberP(X2,X4) )
                    & ( ~ memberP(X2,X4)
                      | ( ! [X6] :
                            ( X4 = X6
                            | ~ memberP(X3,X6)
                            | ~ ssItem(X6)
                            | ~ leq(X6,X4) )
                        & memberP(X3,X4) ) ) )
                  | ~ ssItem(X4) )
              & ? [X7] :
                  ( ( ~ memberP(sK54,X7)
                    | ? [X8] :
                        ( leq(X8,X7)
                        & memberP(sK54,X8)
                        & X7 != X8
                        & ssItem(X8) )
                    | ~ memberP(sK53,X7) )
                  & ( memberP(sK53,X7)
                    | ( ! [X9] :
                          ( X7 = X9
                          | ~ leq(X9,X7)
                          | ~ memberP(sK54,X9)
                          | ~ ssItem(X9) )
                      & memberP(sK54,X7) ) )
                  & ssItem(X7) )
              & ssList(X3)
              & sK53 = X2
              & sK54 = X3 ) )
      & ssList(sK54) ) ),
    introduced(choice_axiom,[]) ).

fof(f345,plain,
    ( ? [X2] :
        ( ssList(X2)
        & ? [X3] :
            ( ! [X4] :
                ( ( ( ~ memberP(X3,X4)
                    | ? [X5] :
                        ( leq(X5,X4)
                        & X4 != X5
                        & ssItem(X5)
                        & memberP(X3,X5) )
                    | memberP(X2,X4) )
                  & ( ~ memberP(X2,X4)
                    | ( ! [X6] :
                          ( X4 = X6
                          | ~ memberP(X3,X6)
                          | ~ ssItem(X6)
                          | ~ leq(X6,X4) )
                      & memberP(X3,X4) ) ) )
                | ~ ssItem(X4) )
            & ? [X7] :
                ( ( ~ memberP(sK54,X7)
                  | ? [X8] :
                      ( leq(X8,X7)
                      & memberP(sK54,X8)
                      & X7 != X8
                      & ssItem(X8) )
                  | ~ memberP(sK53,X7) )
                & ( memberP(sK53,X7)
                  | ( ! [X9] :
                        ( X7 = X9
                        | ~ leq(X9,X7)
                        | ~ memberP(sK54,X9)
                        | ~ ssItem(X9) )
                    & memberP(sK54,X7) ) )
                & ssItem(X7) )
            & ssList(X3)
            & sK53 = X2
            & sK54 = X3 ) )
   => ( ssList(sK55)
      & ? [X3] :
          ( ! [X4] :
              ( ( ( ~ memberP(X3,X4)
                  | ? [X5] :
                      ( leq(X5,X4)
                      & X4 != X5
                      & ssItem(X5)
                      & memberP(X3,X5) )
                  | memberP(sK55,X4) )
                & ( ~ memberP(sK55,X4)
                  | ( ! [X6] :
                        ( X4 = X6
                        | ~ memberP(X3,X6)
                        | ~ ssItem(X6)
                        | ~ leq(X6,X4) )
                    & memberP(X3,X4) ) ) )
              | ~ ssItem(X4) )
          & ? [X7] :
              ( ( ~ memberP(sK54,X7)
                | ? [X8] :
                    ( leq(X8,X7)
                    & memberP(sK54,X8)
                    & X7 != X8
                    & ssItem(X8) )
                | ~ memberP(sK53,X7) )
              & ( memberP(sK53,X7)
                | ( ! [X9] :
                      ( X7 = X9
                      | ~ leq(X9,X7)
                      | ~ memberP(sK54,X9)
                      | ~ ssItem(X9) )
                  & memberP(sK54,X7) ) )
              & ssItem(X7) )
          & ssList(X3)
          & sK53 = sK55
          & sK54 = X3 ) ) ),
    introduced(choice_axiom,[]) ).

fof(f346,plain,
    ( ? [X3] :
        ( ! [X4] :
            ( ( ( ~ memberP(X3,X4)
                | ? [X5] :
                    ( leq(X5,X4)
                    & X4 != X5
                    & ssItem(X5)
                    & memberP(X3,X5) )
                | memberP(sK55,X4) )
              & ( ~ memberP(sK55,X4)
                | ( ! [X6] :
                      ( X4 = X6
                      | ~ memberP(X3,X6)
                      | ~ ssItem(X6)
                      | ~ leq(X6,X4) )
                  & memberP(X3,X4) ) ) )
            | ~ ssItem(X4) )
        & ? [X7] :
            ( ( ~ memberP(sK54,X7)
              | ? [X8] :
                  ( leq(X8,X7)
                  & memberP(sK54,X8)
                  & X7 != X8
                  & ssItem(X8) )
              | ~ memberP(sK53,X7) )
            & ( memberP(sK53,X7)
              | ( ! [X9] :
                    ( X7 = X9
                    | ~ leq(X9,X7)
                    | ~ memberP(sK54,X9)
                    | ~ ssItem(X9) )
                & memberP(sK54,X7) ) )
            & ssItem(X7) )
        & ssList(X3)
        & sK53 = sK55
        & sK54 = X3 )
   => ( ! [X4] :
          ( ( ( ~ memberP(sK56,X4)
              | ? [X5] :
                  ( leq(X5,X4)
                  & X4 != X5
                  & ssItem(X5)
                  & memberP(sK56,X5) )
              | memberP(sK55,X4) )
            & ( ~ memberP(sK55,X4)
              | ( ! [X6] :
                    ( X4 = X6
                    | ~ memberP(sK56,X6)
                    | ~ ssItem(X6)
                    | ~ leq(X6,X4) )
                & memberP(sK56,X4) ) ) )
          | ~ ssItem(X4) )
      & ? [X7] :
          ( ( ~ memberP(sK54,X7)
            | ? [X8] :
                ( leq(X8,X7)
                & memberP(sK54,X8)
                & X7 != X8
                & ssItem(X8) )
            | ~ memberP(sK53,X7) )
          & ( memberP(sK53,X7)
            | ( ! [X9] :
                  ( X7 = X9
                  | ~ leq(X9,X7)
                  | ~ memberP(sK54,X9)
                  | ~ ssItem(X9) )
              & memberP(sK54,X7) ) )
          & ssItem(X7) )
      & ssList(sK56)
      & sK53 = sK55
      & sK54 = sK56 ) ),
    introduced(choice_axiom,[]) ).

fof(f347,plain,
    ! [X4] :
      ( ? [X5] :
          ( leq(X5,X4)
          & X4 != X5
          & ssItem(X5)
          & memberP(sK56,X5) )
     => ( leq(sK57(X4),X4)
        & sK57(X4) != X4
        & ssItem(sK57(X4))
        & memberP(sK56,sK57(X4)) ) ),
    introduced(choice_axiom,[]) ).

fof(f348,plain,
    ( ? [X7] :
        ( ( ~ memberP(sK54,X7)
          | ? [X8] :
              ( leq(X8,X7)
              & memberP(sK54,X8)
              & X7 != X8
              & ssItem(X8) )
          | ~ memberP(sK53,X7) )
        & ( memberP(sK53,X7)
          | ( ! [X9] :
                ( X7 = X9
                | ~ leq(X9,X7)
                | ~ memberP(sK54,X9)
                | ~ ssItem(X9) )
            & memberP(sK54,X7) ) )
        & ssItem(X7) )
   => ( ( ~ memberP(sK54,sK58)
        | ? [X8] :
            ( leq(X8,sK58)
            & memberP(sK54,X8)
            & sK58 != X8
            & ssItem(X8) )
        | ~ memberP(sK53,sK58) )
      & ( memberP(sK53,sK58)
        | ( ! [X9] :
              ( sK58 = X9
              | ~ leq(X9,sK58)
              | ~ memberP(sK54,X9)
              | ~ ssItem(X9) )
          & memberP(sK54,sK58) ) )
      & ssItem(sK58) ) ),
    introduced(choice_axiom,[]) ).

fof(f349,plain,
    ( ? [X8] :
        ( leq(X8,sK58)
        & memberP(sK54,X8)
        & sK58 != X8
        & ssItem(X8) )
   => ( leq(sK59,sK58)
      & memberP(sK54,sK59)
      & sK59 != sK58
      & ssItem(sK59) ) ),
    introduced(choice_axiom,[]) ).

fof(f342,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( ! [X4] :
                      ( ( ( ~ memberP(X3,X4)
                          | ? [X5] :
                              ( leq(X5,X4)
                              & X4 != X5
                              & ssItem(X5)
                              & memberP(X3,X5) )
                          | memberP(X2,X4) )
                        & ( ~ memberP(X2,X4)
                          | ( ! [X6] :
                                ( X4 = X6
                                | ~ memberP(X3,X6)
                                | ~ ssItem(X6)
                                | ~ leq(X6,X4) )
                            & memberP(X3,X4) ) ) )
                      | ~ ssItem(X4) )
                  & ? [X7] :
                      ( ( ~ memberP(X1,X7)
                        | ? [X8] :
                            ( leq(X8,X7)
                            & memberP(X1,X8)
                            & X7 != X8
                            & ssItem(X8) )
                        | ~ memberP(X0,X7) )
                      & ( memberP(X0,X7)
                        | ( ! [X9] :
                              ( X7 = X9
                              | ~ leq(X9,X7)
                              | ~ memberP(X1,X9)
                              | ~ ssItem(X9) )
                          & memberP(X1,X7) ) )
                      & ssItem(X7) )
                  & ssList(X3)
                  & X0 = X2
                  & X1 = X3 ) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(rectify,[],[f112]) ).

fof(f112,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( ! [X7] :
                      ( ( ( ~ memberP(X3,X7)
                          | ? [X8] :
                              ( leq(X8,X7)
                              & X7 != X8
                              & ssItem(X8)
                              & memberP(X3,X8) )
                          | memberP(X2,X7) )
                        & ( ~ memberP(X2,X7)
                          | ( ! [X9] :
                                ( X7 = X9
                                | ~ memberP(X3,X9)
                                | ~ ssItem(X9)
                                | ~ leq(X9,X7) )
                            & memberP(X3,X7) ) ) )
                      | ~ ssItem(X7) )
                  & ? [X4] :
                      ( ( ~ memberP(X1,X4)
                        | ? [X6] :
                            ( leq(X6,X4)
                            & memberP(X1,X6)
                            & X4 != X6
                            & ssItem(X6) )
                        | ~ memberP(X0,X4) )
                      & ( memberP(X0,X4)
                        | ( ! [X5] :
                              ( X4 = X5
                              | ~ leq(X5,X4)
                              | ~ memberP(X1,X5)
                              | ~ ssItem(X5) )
                          & memberP(X1,X4) ) )
                      & ssItem(X4) )
                  & ssList(X3)
                  & X0 = X2
                  & X1 = X3 ) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(flattening,[],[f111]) ).

fof(f111,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( X1 = X3
                  & ! [X7] :
                      ( ~ ssItem(X7)
                      | ( ( memberP(X2,X7)
                          | ? [X8] :
                              ( X7 != X8
                              & leq(X8,X7)
                              & memberP(X3,X8)
                              & ssItem(X8) )
                          | ~ memberP(X3,X7) )
                        & ( ~ memberP(X2,X7)
                          | ( ! [X9] :
                                ( X7 = X9
                                | ~ memberP(X3,X9)
                                | ~ ssItem(X9)
                                | ~ leq(X9,X7) )
                            & memberP(X3,X7) ) ) ) )
                  & ? [X4] :
                      ( ( ~ memberP(X0,X4)
                        | ? [X6] :
                            ( X4 != X6
                            & memberP(X1,X6)
                            & leq(X6,X4)
                            & ssItem(X6) )
                        | ~ memberP(X1,X4) )
                      & ( memberP(X0,X4)
                        | ( ! [X5] :
                              ( X4 = X5
                              | ~ leq(X5,X4)
                              | ~ memberP(X1,X5)
                              | ~ ssItem(X5) )
                          & memberP(X1,X4) ) )
                      & ssItem(X4) )
                  & X0 = X2
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(ennf_transformation,[],[f98]) ).

fof(f98,plain,
    ~ ! [X0] :
        ( ssList(X0)
       => ! [X1] :
            ( ssList(X1)
           => ! [X2] :
                ( ssList(X2)
               => ! [X3] :
                    ( ssList(X3)
                   => ( X1 != X3
                      | ? [X7] :
                          ( ssItem(X7)
                          & ( ( ~ memberP(X2,X7)
                              & ! [X8] :
                                  ( ssItem(X8)
                                 => ( X7 = X8
                                    | ~ leq(X8,X7)
                                    | ~ memberP(X3,X8) ) )
                              & memberP(X3,X7) )
                            | ( memberP(X2,X7)
                              & ( ? [X9] :
                                    ( memberP(X3,X9)
                                    & X7 != X9
                                    & leq(X9,X7)
                                    & ssItem(X9) )
                                | ~ memberP(X3,X7) ) ) ) )
                      | ! [X4] :
                          ( ssItem(X4)
                         => ( ( memberP(X0,X4)
                              & ! [X6] :
                                  ( ssItem(X6)
                                 => ( X4 = X6
                                    | ~ memberP(X1,X6)
                                    | ~ leq(X6,X4) ) )
                              & memberP(X1,X4) )
                            | ( ~ memberP(X0,X4)
                              & ( ~ memberP(X1,X4)
                                | ? [X5] :
                                    ( leq(X5,X4)
                                    & ssItem(X5)
                                    & X4 != X5
                                    & memberP(X1,X5) ) ) ) ) )
                      | X0 != X2 ) ) ) ) ),
    inference(rectify,[],[f97]) ).

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

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

fof(f675,plain,
    ( sK58 != sK57(sK58)
    | ~ ssItem(sK58) ),
    inference(subsumption_resolution,[],[f670,f615]) ).

fof(f615,plain,
    memberP(sK56,sK58),
    inference(subsumption_resolution,[],[f614,f553]) ).

fof(f614,plain,
    ( memberP(sK56,sK58)
    | ~ ssItem(sK58) ),
    inference(duplicate_literal_removal,[],[f613]) ).

fof(f613,plain,
    ( memberP(sK56,sK58)
    | memberP(sK56,sK58)
    | ~ ssItem(sK58) ),
    inference(resolution,[],[f560,f576]) ).

fof(f576,plain,
    ( memberP(sK55,sK58)
    | memberP(sK56,sK58) ),
    inference(definition_unfolding,[],[f554,f551,f550]) ).

fof(f550,plain,
    sK54 = sK56,
    inference(cnf_transformation,[],[f350]) ).

fof(f551,plain,
    sK53 = sK55,
    inference(cnf_transformation,[],[f350]) ).

fof(f554,plain,
    ( memberP(sK53,sK58)
    | memberP(sK54,sK58) ),
    inference(cnf_transformation,[],[f350]) ).

fof(f560,plain,
    ! [X4] :
      ( ~ memberP(sK55,X4)
      | ~ ssItem(X4)
      | memberP(sK56,X4) ),
    inference(cnf_transformation,[],[f350]) ).

fof(f670,plain,
    ( sK58 != sK57(sK58)
    | ~ memberP(sK56,sK58)
    | ~ ssItem(sK58) ),
    inference(resolution,[],[f668,f564]) ).

fof(f564,plain,
    ! [X4] :
      ( memberP(sK55,X4)
      | sK57(X4) != X4
      | ~ ssItem(X4)
      | ~ memberP(sK56,X4) ),
    inference(cnf_transformation,[],[f350]) ).

fof(f668,plain,
    ~ memberP(sK55,sK58),
    inference(subsumption_resolution,[],[f667,f621]) ).

fof(f621,plain,
    ( ~ memberP(sK55,sK58)
    | sK59 != sK58 ),
    inference(subsumption_resolution,[],[f573,f615]) ).

fof(f573,plain,
    ( sK59 != sK58
    | ~ memberP(sK55,sK58)
    | ~ memberP(sK56,sK58) ),
    inference(definition_unfolding,[],[f557,f550,f551]) ).

fof(f557,plain,
    ( ~ memberP(sK54,sK58)
    | sK59 != sK58
    | ~ memberP(sK53,sK58) ),
    inference(cnf_transformation,[],[f350]) ).

fof(f667,plain,
    ( ~ memberP(sK55,sK58)
    | sK59 = sK58 ),
    inference(subsumption_resolution,[],[f666,f619]) ).

fof(f619,plain,
    ( ~ memberP(sK55,sK58)
    | memberP(sK56,sK59) ),
    inference(subsumption_resolution,[],[f572,f615]) ).

fof(f572,plain,
    ( ~ memberP(sK56,sK58)
    | ~ memberP(sK55,sK58)
    | memberP(sK56,sK59) ),
    inference(definition_unfolding,[],[f558,f550,f550,f551]) ).

fof(f558,plain,
    ( ~ memberP(sK54,sK58)
    | memberP(sK54,sK59)
    | ~ memberP(sK53,sK58) ),
    inference(cnf_transformation,[],[f350]) ).

fof(f666,plain,
    ( ~ memberP(sK55,sK58)
    | ~ memberP(sK56,sK59)
    | sK59 = sK58 ),
    inference(subsumption_resolution,[],[f665,f616]) ).

fof(f616,plain,
    ( ~ memberP(sK55,sK58)
    | ssItem(sK59) ),
    inference(subsumption_resolution,[],[f574,f615]) ).

fof(f574,plain,
    ( ~ memberP(sK56,sK58)
    | ~ memberP(sK55,sK58)
    | ssItem(sK59) ),
    inference(definition_unfolding,[],[f556,f550,f551]) ).

fof(f556,plain,
    ( ~ memberP(sK54,sK58)
    | ssItem(sK59)
    | ~ memberP(sK53,sK58) ),
    inference(cnf_transformation,[],[f350]) ).

fof(f665,plain,
    ( ~ ssItem(sK59)
    | ~ memberP(sK55,sK58)
    | ~ memberP(sK56,sK59)
    | sK59 = sK58 ),
    inference(subsumption_resolution,[],[f663,f553]) ).

fof(f663,plain,
    ( sK59 = sK58
    | ~ ssItem(sK59)
    | ~ memberP(sK56,sK59)
    | ~ memberP(sK55,sK58)
    | ~ ssItem(sK58) ),
    inference(duplicate_literal_removal,[],[f661]) ).

fof(f661,plain,
    ( ~ ssItem(sK59)
    | ~ memberP(sK56,sK59)
    | ~ memberP(sK55,sK58)
    | sK59 = sK58
    | ~ memberP(sK55,sK58)
    | ~ ssItem(sK58) ),
    inference(resolution,[],[f561,f618]) ).

fof(f618,plain,
    ( leq(sK59,sK58)
    | ~ memberP(sK55,sK58) ),
    inference(subsumption_resolution,[],[f571,f615]) ).

fof(f571,plain,
    ( ~ memberP(sK55,sK58)
    | leq(sK59,sK58)
    | ~ memberP(sK56,sK58) ),
    inference(definition_unfolding,[],[f559,f550,f551]) ).

fof(f559,plain,
    ( ~ memberP(sK54,sK58)
    | leq(sK59,sK58)
    | ~ memberP(sK53,sK58) ),
    inference(cnf_transformation,[],[f350]) ).

fof(f561,plain,
    ! [X6,X4] :
      ( ~ leq(X6,X4)
      | ~ ssItem(X6)
      | ~ memberP(sK56,X6)
      | ~ ssItem(X4)
      | ~ memberP(sK55,X4)
      | X4 = X6 ),
    inference(cnf_transformation,[],[f350]) ).

fof(f691,plain,
    sK58 = sK57(sK58),
    inference(subsumption_resolution,[],[f690,f668]) ).

fof(f690,plain,
    ( memberP(sK55,sK58)
    | sK58 = sK57(sK58) ),
    inference(subsumption_resolution,[],[f689,f678]) ).

fof(f678,plain,
    ssItem(sK57(sK58)),
    inference(subsumption_resolution,[],[f677,f553]) ).

fof(f677,plain,
    ( ssItem(sK57(sK58))
    | ~ ssItem(sK58) ),
    inference(subsumption_resolution,[],[f672,f615]) ).

fof(f672,plain,
    ( ~ memberP(sK56,sK58)
    | ssItem(sK57(sK58))
    | ~ ssItem(sK58) ),
    inference(resolution,[],[f668,f563]) ).

fof(f563,plain,
    ! [X4] :
      ( memberP(sK55,X4)
      | ~ ssItem(X4)
      | ssItem(sK57(X4))
      | ~ memberP(sK56,X4) ),
    inference(cnf_transformation,[],[f350]) ).

fof(f689,plain,
    ( ~ ssItem(sK57(sK58))
    | sK58 = sK57(sK58)
    | memberP(sK55,sK58) ),
    inference(subsumption_resolution,[],[f660,f674]) ).

fof(f674,plain,
    memberP(sK56,sK57(sK58)),
    inference(subsumption_resolution,[],[f673,f615]) ).

fof(f673,plain,
    ( memberP(sK56,sK57(sK58))
    | ~ memberP(sK56,sK58) ),
    inference(subsumption_resolution,[],[f671,f553]) ).

fof(f671,plain,
    ( ~ ssItem(sK58)
    | memberP(sK56,sK57(sK58))
    | ~ memberP(sK56,sK58) ),
    inference(resolution,[],[f668,f562]) ).

fof(f562,plain,
    ! [X4] :
      ( memberP(sK55,X4)
      | ~ ssItem(X4)
      | memberP(sK56,sK57(X4))
      | ~ memberP(sK56,X4) ),
    inference(cnf_transformation,[],[f350]) ).

fof(f660,plain,
    ( ~ memberP(sK56,sK57(sK58))
    | memberP(sK55,sK58)
    | ~ ssItem(sK57(sK58))
    | sK58 = sK57(sK58) ),
    inference(subsumption_resolution,[],[f659,f553]) ).

fof(f659,plain,
    ( ~ ssItem(sK58)
    | ~ ssItem(sK57(sK58))
    | memberP(sK55,sK58)
    | ~ memberP(sK56,sK57(sK58))
    | sK58 = sK57(sK58) ),
    inference(subsumption_resolution,[],[f658,f615]) ).

fof(f658,plain,
    ( sK58 = sK57(sK58)
    | ~ memberP(sK56,sK58)
    | ~ memberP(sK56,sK57(sK58))
    | ~ ssItem(sK57(sK58))
    | ~ ssItem(sK58)
    | memberP(sK55,sK58) ),
    inference(duplicate_literal_removal,[],[f657]) ).

fof(f657,plain,
    ( memberP(sK55,sK58)
    | ~ ssItem(sK57(sK58))
    | ~ memberP(sK56,sK58)
    | ~ memberP(sK56,sK57(sK58))
    | memberP(sK55,sK58)
    | sK58 = sK57(sK58)
    | ~ ssItem(sK58) ),
    inference(resolution,[],[f575,f565]) ).

fof(f565,plain,
    ! [X4] :
      ( leq(sK57(X4),X4)
      | ~ ssItem(X4)
      | ~ memberP(sK56,X4)
      | memberP(sK55,X4) ),
    inference(cnf_transformation,[],[f350]) ).

fof(f575,plain,
    ! [X9] :
      ( ~ leq(X9,sK58)
      | ~ ssItem(X9)
      | sK58 = X9
      | ~ memberP(sK56,X9)
      | memberP(sK55,sK58) ),
    inference(definition_unfolding,[],[f555,f551,f550]) ).

fof(f555,plain,
    ! [X9] :
      ( memberP(sK53,sK58)
      | sK58 = X9
      | ~ leq(X9,sK58)
      | ~ memberP(sK54,X9)
      | ~ ssItem(X9) ),
    inference(cnf_transformation,[],[f350]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : SWC379+1 : TPTP v8.1.0. Released v2.4.0.
% 0.07/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.13/0.34  % Computer : n008.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit   : 300
% 0.13/0.34  % WCLimit    : 300
% 0.13/0.34  % DateTime   : Tue Aug 30 18:55:25 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.20/0.45  % (11462)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.20/0.47  % (11457)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.20/0.47  % (11462)Instruction limit reached!
% 0.20/0.47  % (11462)------------------------------
% 0.20/0.47  % (11462)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.47  % (11462)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.47  % (11462)Termination reason: Unknown
% 0.20/0.47  % (11462)Termination phase: Preprocessing 1
% 0.20/0.47  
% 0.20/0.47  % (11462)Memory used [KB]: 1023
% 0.20/0.47  % (11462)Time elapsed: 0.004 s
% 0.20/0.47  % (11462)Instructions burned: 2 (million)
% 0.20/0.47  % (11462)------------------------------
% 0.20/0.47  % (11462)------------------------------
% 0.20/0.47  % (11456)ott+4_1:1_av=off:bd=off:nwc=5.0:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=37:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/37Mi)
% 0.20/0.48  % (11475)ott+3_1:1_gsp=on:lcm=predicate:i=138:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/138Mi)
% 0.20/0.49  % (11479)ott+10_1:5_bd=off:tgt=full:i=500:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/500Mi)
% 0.20/0.49  % (11471)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/59Mi)
% 0.20/0.49  % (11467)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.20/0.49  % (11483)ott+10_7:2_awrs=decay:awrsf=8:bd=preordered:drc=off:fd=preordered:fde=unused:fsr=off:slsq=on:slsqc=2:slsqr=5,8:sp=const_min:spb=units:to=lpo:i=355:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/355Mi)
% 0.20/0.49  % (11459)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=48:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/48Mi)
% 0.20/0.50  % (11463)ott-1_1:6_av=off:cond=on:fsr=off:nwc=3.0:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.20/0.50  % (11477)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)
% 0.20/0.50  % (11464)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 0.20/0.50  % (11458)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.20/0.51  % (11466)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 0.20/0.51  % (11469)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)
% 1.24/0.51  % (11476)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)
% 1.24/0.51  % (11455)ott+10_1:32_abs=on:br=off:urr=ec_only:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 1.24/0.52  % (11465)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 1.24/0.52  % (11474)ott+10_1:8_bsd=on:fsd=on:lcm=predicate:nwc=5.0:s2a=on:s2at=1.5:spb=goal_then_units:i=176:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/176Mi)
% 1.24/0.52  % (11460)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)
% 1.24/0.52  % (11480)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)
% 1.39/0.53  TRYING [1]
% 1.39/0.53  % (11481)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=177:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/177Mi)
% 1.39/0.53  % (11476)First to succeed.
% 1.39/0.54  TRYING [2]
% 1.39/0.54  % (11472)ott+10_1:1_tgt=ground:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 1.39/0.54  % (11456)Instruction limit reached!
% 1.39/0.54  % (11456)------------------------------
% 1.39/0.54  % (11456)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.39/0.54  % (11456)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.39/0.54  % (11456)Termination reason: Unknown
% 1.39/0.54  % (11456)Termination phase: Saturation
% 1.39/0.54  
% 1.39/0.54  % (11456)Memory used [KB]: 1791
% 1.39/0.54  % (11456)Time elapsed: 0.152 s
% 1.39/0.54  % (11456)Instructions burned: 38 (million)
% 1.39/0.54  % (11456)------------------------------
% 1.39/0.54  % (11456)------------------------------
% 1.39/0.54  % (11476)Refutation found. Thanks to Tanya!
% 1.39/0.54  % SZS status Theorem for theBenchmark
% 1.39/0.54  % SZS output start Proof for theBenchmark
% See solution above
% 1.39/0.54  % (11476)------------------------------
% 1.39/0.54  % (11476)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.39/0.54  % (11476)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.39/0.54  % (11476)Termination reason: Refutation
% 1.39/0.54  
% 1.39/0.54  % (11476)Memory used [KB]: 1407
% 1.39/0.54  % (11476)Time elapsed: 0.136 s
% 1.39/0.54  % (11476)Instructions burned: 14 (million)
% 1.39/0.54  % (11476)------------------------------
% 1.39/0.54  % (11476)------------------------------
% 1.39/0.54  % (11453)Success in time 0.192 s
%------------------------------------------------------------------------------