TSTP Solution File: LCL950_17 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : LCL950_17 : TPTP v8.2.0. Released v8.2.0.
% 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 : n032.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 : Mon May 22 15:38:39 EDT 2023

% Result   : Theorem 0.13s 0.42s
% Output   : Refutation 0.13s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :   35
% Syntax   : Number of formulae    :   79 (  11 unt;  17 typ;   0 def)
%            Number of atoms       :  636 (   0 equ)
%            Maximal formula atoms :   26 (  10 avg)
%            Number of connectives :  716 ( 232   ~; 201   |; 193   &)
%                                         (   0 <=>;  90  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   21 (  12 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of FOOLs       :   90 (  90 fml;   0 var)
%            Number of types       :    3 (   1 usr)
%            Number of type conns  :   26 (  10   >;  16   *;   0   +;   0  <<)
%            Number of predicates  :    8 (   7 usr;   4 prp; 0-3 aty)
%            Number of functors    :   12 (  12 usr;   6 con; 0-3 aty)
%            Number of variables   :  409 (; 297   !; 112   ?; 322   :)

% Comments : 
%------------------------------------------------------------------------------
tff(type_def_5,type,
    '$ki_world': $tType ).

tff(func_def_0,type,
    '$ki_local_world': '$ki_world' ).

tff(func_def_1,type,
    sK0: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_2,type,
    sK1: '$ki_world' > $i ).

tff(func_def_3,type,
    sK2: ( $i * $i * '$ki_world' ) > $i ).

tff(func_def_4,type,
    sK3: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_5,type,
    sK4: ( $i * '$ki_world' * $i ) > '$ki_world' ).

tff(func_def_6,type,
    sK5: ( $i * '$ki_world' * $i ) > '$ki_world' ).

tff(func_def_7,type,
    sK6: '$ki_world' ).

tff(func_def_9,type,
    sK8: '$ki_world' ).

tff(func_def_11,type,
    sK10: '$ki_world' ).

tff(func_def_13,type,
    sK12: '$ki_world' ).

tff(func_def_14,type,
    sK13: '$ki_world' ).

tff(pred_def_1,type,
    '$ki_accessible': ( '$ki_world' * '$ki_world' ) > $o ).

tff(pred_def_2,type,
    intersect: ( '$ki_world' * $i * $i ) > $o ).

tff(pred_def_3,type,
    member: ( '$ki_world' * $i * $i ) > $o ).

tff(pred_def_4,type,
    '$ki_exists_in_world_$i': ( '$ki_world' * $i ) > $o ).

tff(f121,plain,
    $false,
    inference(resolution,[],[f115,f61]) ).

tff(f61,plain,
    ~ intersect(sK13,sK9,sK11),
    inference(cnf_transformation,[],[f40]) ).

tff(f40,plain,
    ( '$ki_exists_in_world_$i'(sK6,sK7)
    & '$ki_exists_in_world_$i'(sK8,sK9)
    & '$ki_accessible'(sK10,sK12)
    & ! [X7: '$ki_world'] :
        ( member(X7,sK7,sK9)
        | ~ '$ki_accessible'(sK12,X7) )
    & ! [X8: '$ki_world'] :
        ( ~ '$ki_accessible'(sK12,X8)
        | member(X8,sK7,sK11) )
    & ~ intersect(sK13,sK9,sK11)
    & '$ki_accessible'(sK12,sK13)
    & '$ki_exists_in_world_$i'(sK10,sK11)
    & '$ki_accessible'(sK8,sK10)
    & '$ki_accessible'(sK6,sK8)
    & '$ki_accessible'('$ki_local_world',sK6) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK6,sK7,sK8,sK9,sK10,sK11,sK12,sK13])],[f31,f39,f38,f37,f36,f35,f34,f33,f32]) ).

tff(f32,plain,
    ( ? [X0: '$ki_world'] :
        ( ? [X1] :
            ( '$ki_exists_in_world_$i'(X0,X1)
            & ? [X2: '$ki_world'] :
                ( ? [X3] :
                    ( '$ki_exists_in_world_$i'(X2,X3)
                    & ? [X4: '$ki_world'] :
                        ( ? [X5] :
                            ( ? [X6: '$ki_world'] :
                                ( '$ki_accessible'(X4,X6)
                                & ! [X7: '$ki_world'] :
                                    ( member(X7,X1,X3)
                                    | ~ '$ki_accessible'(X6,X7) )
                                & ! [X8: '$ki_world'] :
                                    ( ~ '$ki_accessible'(X6,X8)
                                    | member(X8,X1,X5) )
                                & ? [X9: '$ki_world'] :
                                    ( ~ intersect(X9,X3,X5)
                                    & '$ki_accessible'(X6,X9) ) )
                            & '$ki_exists_in_world_$i'(X4,X5) )
                        & '$ki_accessible'(X2,X4) ) )
                & '$ki_accessible'(X0,X2) ) )
        & '$ki_accessible'('$ki_local_world',X0) )
   => ( ? [X1] :
          ( '$ki_exists_in_world_$i'(sK6,X1)
          & ? [X2: '$ki_world'] :
              ( ? [X3] :
                  ( '$ki_exists_in_world_$i'(X2,X3)
                  & ? [X4: '$ki_world'] :
                      ( ? [X5] :
                          ( ? [X6: '$ki_world'] :
                              ( '$ki_accessible'(X4,X6)
                              & ! [X7: '$ki_world'] :
                                  ( member(X7,X1,X3)
                                  | ~ '$ki_accessible'(X6,X7) )
                              & ! [X8: '$ki_world'] :
                                  ( ~ '$ki_accessible'(X6,X8)
                                  | member(X8,X1,X5) )
                              & ? [X9: '$ki_world'] :
                                  ( ~ intersect(X9,X3,X5)
                                  & '$ki_accessible'(X6,X9) ) )
                          & '$ki_exists_in_world_$i'(X4,X5) )
                      & '$ki_accessible'(X2,X4) ) )
              & '$ki_accessible'(sK6,X2) ) )
      & '$ki_accessible'('$ki_local_world',sK6) ) ),
    introduced(choice_axiom,[]) ).

tff(f33,plain,
    ( ? [X1] :
        ( '$ki_exists_in_world_$i'(sK6,X1)
        & ? [X2: '$ki_world'] :
            ( ? [X3] :
                ( '$ki_exists_in_world_$i'(X2,X3)
                & ? [X4: '$ki_world'] :
                    ( ? [X5] :
                        ( ? [X6: '$ki_world'] :
                            ( '$ki_accessible'(X4,X6)
                            & ! [X7: '$ki_world'] :
                                ( member(X7,X1,X3)
                                | ~ '$ki_accessible'(X6,X7) )
                            & ! [X8: '$ki_world'] :
                                ( ~ '$ki_accessible'(X6,X8)
                                | member(X8,X1,X5) )
                            & ? [X9: '$ki_world'] :
                                ( ~ intersect(X9,X3,X5)
                                & '$ki_accessible'(X6,X9) ) )
                        & '$ki_exists_in_world_$i'(X4,X5) )
                    & '$ki_accessible'(X2,X4) ) )
            & '$ki_accessible'(sK6,X2) ) )
   => ( '$ki_exists_in_world_$i'(sK6,sK7)
      & ? [X2: '$ki_world'] :
          ( ? [X3] :
              ( '$ki_exists_in_world_$i'(X2,X3)
              & ? [X4: '$ki_world'] :
                  ( ? [X5] :
                      ( ? [X6: '$ki_world'] :
                          ( '$ki_accessible'(X4,X6)
                          & ! [X7: '$ki_world'] :
                              ( member(X7,sK7,X3)
                              | ~ '$ki_accessible'(X6,X7) )
                          & ! [X8: '$ki_world'] :
                              ( ~ '$ki_accessible'(X6,X8)
                              | member(X8,sK7,X5) )
                          & ? [X9: '$ki_world'] :
                              ( ~ intersect(X9,X3,X5)
                              & '$ki_accessible'(X6,X9) ) )
                      & '$ki_exists_in_world_$i'(X4,X5) )
                  & '$ki_accessible'(X2,X4) ) )
          & '$ki_accessible'(sK6,X2) ) ) ),
    introduced(choice_axiom,[]) ).

tff(f34,plain,
    ( ? [X2: '$ki_world'] :
        ( ? [X3] :
            ( '$ki_exists_in_world_$i'(X2,X3)
            & ? [X4: '$ki_world'] :
                ( ? [X5] :
                    ( ? [X6: '$ki_world'] :
                        ( '$ki_accessible'(X4,X6)
                        & ! [X7: '$ki_world'] :
                            ( member(X7,sK7,X3)
                            | ~ '$ki_accessible'(X6,X7) )
                        & ! [X8: '$ki_world'] :
                            ( ~ '$ki_accessible'(X6,X8)
                            | member(X8,sK7,X5) )
                        & ? [X9: '$ki_world'] :
                            ( ~ intersect(X9,X3,X5)
                            & '$ki_accessible'(X6,X9) ) )
                    & '$ki_exists_in_world_$i'(X4,X5) )
                & '$ki_accessible'(X2,X4) ) )
        & '$ki_accessible'(sK6,X2) )
   => ( ? [X3] :
          ( '$ki_exists_in_world_$i'(sK8,X3)
          & ? [X4: '$ki_world'] :
              ( ? [X5] :
                  ( ? [X6: '$ki_world'] :
                      ( '$ki_accessible'(X4,X6)
                      & ! [X7: '$ki_world'] :
                          ( member(X7,sK7,X3)
                          | ~ '$ki_accessible'(X6,X7) )
                      & ! [X8: '$ki_world'] :
                          ( ~ '$ki_accessible'(X6,X8)
                          | member(X8,sK7,X5) )
                      & ? [X9: '$ki_world'] :
                          ( ~ intersect(X9,X3,X5)
                          & '$ki_accessible'(X6,X9) ) )
                  & '$ki_exists_in_world_$i'(X4,X5) )
              & '$ki_accessible'(sK8,X4) ) )
      & '$ki_accessible'(sK6,sK8) ) ),
    introduced(choice_axiom,[]) ).

tff(f35,plain,
    ( ? [X3] :
        ( '$ki_exists_in_world_$i'(sK8,X3)
        & ? [X4: '$ki_world'] :
            ( ? [X5] :
                ( ? [X6: '$ki_world'] :
                    ( '$ki_accessible'(X4,X6)
                    & ! [X7: '$ki_world'] :
                        ( member(X7,sK7,X3)
                        | ~ '$ki_accessible'(X6,X7) )
                    & ! [X8: '$ki_world'] :
                        ( ~ '$ki_accessible'(X6,X8)
                        | member(X8,sK7,X5) )
                    & ? [X9: '$ki_world'] :
                        ( ~ intersect(X9,X3,X5)
                        & '$ki_accessible'(X6,X9) ) )
                & '$ki_exists_in_world_$i'(X4,X5) )
            & '$ki_accessible'(sK8,X4) ) )
   => ( '$ki_exists_in_world_$i'(sK8,sK9)
      & ? [X4: '$ki_world'] :
          ( ? [X5] :
              ( ? [X6: '$ki_world'] :
                  ( '$ki_accessible'(X4,X6)
                  & ! [X7: '$ki_world'] :
                      ( member(X7,sK7,sK9)
                      | ~ '$ki_accessible'(X6,X7) )
                  & ! [X8: '$ki_world'] :
                      ( ~ '$ki_accessible'(X6,X8)
                      | member(X8,sK7,X5) )
                  & ? [X9: '$ki_world'] :
                      ( ~ intersect(X9,sK9,X5)
                      & '$ki_accessible'(X6,X9) ) )
              & '$ki_exists_in_world_$i'(X4,X5) )
          & '$ki_accessible'(sK8,X4) ) ) ),
    introduced(choice_axiom,[]) ).

tff(f36,plain,
    ( ? [X4: '$ki_world'] :
        ( ? [X5] :
            ( ? [X6: '$ki_world'] :
                ( '$ki_accessible'(X4,X6)
                & ! [X7: '$ki_world'] :
                    ( member(X7,sK7,sK9)
                    | ~ '$ki_accessible'(X6,X7) )
                & ! [X8: '$ki_world'] :
                    ( ~ '$ki_accessible'(X6,X8)
                    | member(X8,sK7,X5) )
                & ? [X9: '$ki_world'] :
                    ( ~ intersect(X9,sK9,X5)
                    & '$ki_accessible'(X6,X9) ) )
            & '$ki_exists_in_world_$i'(X4,X5) )
        & '$ki_accessible'(sK8,X4) )
   => ( ? [X5] :
          ( ? [X6: '$ki_world'] :
              ( '$ki_accessible'(sK10,X6)
              & ! [X7: '$ki_world'] :
                  ( member(X7,sK7,sK9)
                  | ~ '$ki_accessible'(X6,X7) )
              & ! [X8: '$ki_world'] :
                  ( ~ '$ki_accessible'(X6,X8)
                  | member(X8,sK7,X5) )
              & ? [X9: '$ki_world'] :
                  ( ~ intersect(X9,sK9,X5)
                  & '$ki_accessible'(X6,X9) ) )
          & '$ki_exists_in_world_$i'(sK10,X5) )
      & '$ki_accessible'(sK8,sK10) ) ),
    introduced(choice_axiom,[]) ).

tff(f37,plain,
    ( ? [X5] :
        ( ? [X6: '$ki_world'] :
            ( '$ki_accessible'(sK10,X6)
            & ! [X7: '$ki_world'] :
                ( member(X7,sK7,sK9)
                | ~ '$ki_accessible'(X6,X7) )
            & ! [X8: '$ki_world'] :
                ( ~ '$ki_accessible'(X6,X8)
                | member(X8,sK7,X5) )
            & ? [X9: '$ki_world'] :
                ( ~ intersect(X9,sK9,X5)
                & '$ki_accessible'(X6,X9) ) )
        & '$ki_exists_in_world_$i'(sK10,X5) )
   => ( ? [X6: '$ki_world'] :
          ( '$ki_accessible'(sK10,X6)
          & ! [X7: '$ki_world'] :
              ( member(X7,sK7,sK9)
              | ~ '$ki_accessible'(X6,X7) )
          & ! [X8: '$ki_world'] :
              ( ~ '$ki_accessible'(X6,X8)
              | member(X8,sK7,sK11) )
          & ? [X9: '$ki_world'] :
              ( ~ intersect(X9,sK9,sK11)
              & '$ki_accessible'(X6,X9) ) )
      & '$ki_exists_in_world_$i'(sK10,sK11) ) ),
    introduced(choice_axiom,[]) ).

tff(f38,plain,
    ( ? [X6: '$ki_world'] :
        ( '$ki_accessible'(sK10,X6)
        & ! [X7: '$ki_world'] :
            ( member(X7,sK7,sK9)
            | ~ '$ki_accessible'(X6,X7) )
        & ! [X8: '$ki_world'] :
            ( ~ '$ki_accessible'(X6,X8)
            | member(X8,sK7,sK11) )
        & ? [X9: '$ki_world'] :
            ( ~ intersect(X9,sK9,sK11)
            & '$ki_accessible'(X6,X9) ) )
   => ( '$ki_accessible'(sK10,sK12)
      & ! [X7: '$ki_world'] :
          ( member(X7,sK7,sK9)
          | ~ '$ki_accessible'(sK12,X7) )
      & ! [X8: '$ki_world'] :
          ( ~ '$ki_accessible'(sK12,X8)
          | member(X8,sK7,sK11) )
      & ? [X9: '$ki_world'] :
          ( ~ intersect(X9,sK9,sK11)
          & '$ki_accessible'(sK12,X9) ) ) ),
    introduced(choice_axiom,[]) ).

tff(f39,plain,
    ( ? [X9: '$ki_world'] :
        ( ~ intersect(X9,sK9,sK11)
        & '$ki_accessible'(sK12,X9) )
   => ( ~ intersect(sK13,sK9,sK11)
      & '$ki_accessible'(sK12,sK13) ) ),
    introduced(choice_axiom,[]) ).

tff(f31,plain,
    ? [X0: '$ki_world'] :
      ( ? [X1] :
          ( '$ki_exists_in_world_$i'(X0,X1)
          & ? [X2: '$ki_world'] :
              ( ? [X3] :
                  ( '$ki_exists_in_world_$i'(X2,X3)
                  & ? [X4: '$ki_world'] :
                      ( ? [X5] :
                          ( ? [X6: '$ki_world'] :
                              ( '$ki_accessible'(X4,X6)
                              & ! [X7: '$ki_world'] :
                                  ( member(X7,X1,X3)
                                  | ~ '$ki_accessible'(X6,X7) )
                              & ! [X8: '$ki_world'] :
                                  ( ~ '$ki_accessible'(X6,X8)
                                  | member(X8,X1,X5) )
                              & ? [X9: '$ki_world'] :
                                  ( ~ intersect(X9,X3,X5)
                                  & '$ki_accessible'(X6,X9) ) )
                          & '$ki_exists_in_world_$i'(X4,X5) )
                      & '$ki_accessible'(X2,X4) ) )
              & '$ki_accessible'(X0,X2) ) )
      & '$ki_accessible'('$ki_local_world',X0) ),
    inference(rectify,[],[f14]) ).

tff(f14,plain,
    ? [X0: '$ki_world'] :
      ( ? [X1] :
          ( '$ki_exists_in_world_$i'(X0,X1)
          & ? [X2: '$ki_world'] :
              ( ? [X3] :
                  ( '$ki_exists_in_world_$i'(X2,X3)
                  & ? [X4: '$ki_world'] :
                      ( ? [X5] :
                          ( ? [X6: '$ki_world'] :
                              ( '$ki_accessible'(X4,X6)
                              & ! [X8: '$ki_world'] :
                                  ( member(X8,X1,X3)
                                  | ~ '$ki_accessible'(X6,X8) )
                              & ! [X7: '$ki_world'] :
                                  ( ~ '$ki_accessible'(X6,X7)
                                  | member(X7,X1,X5) )
                              & ? [X9: '$ki_world'] :
                                  ( ~ intersect(X9,X3,X5)
                                  & '$ki_accessible'(X6,X9) ) )
                          & '$ki_exists_in_world_$i'(X4,X5) )
                      & '$ki_accessible'(X2,X4) ) )
              & '$ki_accessible'(X0,X2) ) )
      & '$ki_accessible'('$ki_local_world',X0) ),
    inference(flattening,[],[f13]) ).

tff(f13,plain,
    ? [X0: '$ki_world'] :
      ( ? [X1] :
          ( ? [X2: '$ki_world'] :
              ( ? [X3] :
                  ( ? [X4: '$ki_world'] :
                      ( ? [X5] :
                          ( ? [X6: '$ki_world'] :
                              ( ? [X9: '$ki_world'] :
                                  ( ~ intersect(X9,X3,X5)
                                  & '$ki_accessible'(X6,X9) )
                              & ! [X8: '$ki_world'] :
                                  ( member(X8,X1,X3)
                                  | ~ '$ki_accessible'(X6,X8) )
                              & ! [X7: '$ki_world'] :
                                  ( ~ '$ki_accessible'(X6,X7)
                                  | member(X7,X1,X5) )
                              & '$ki_accessible'(X4,X6) )
                          & '$ki_exists_in_world_$i'(X4,X5) )
                      & '$ki_accessible'(X2,X4) )
                  & '$ki_exists_in_world_$i'(X2,X3) )
              & '$ki_accessible'(X0,X2) )
          & '$ki_exists_in_world_$i'(X0,X1) )
      & '$ki_accessible'('$ki_local_world',X0) ),
    inference(ennf_transformation,[],[f8]) ).

tff(f8,plain,
    ~ ! [X0: '$ki_world'] :
        ( '$ki_accessible'('$ki_local_world',X0)
       => ! [X1] :
            ( '$ki_exists_in_world_$i'(X0,X1)
           => ! [X2: '$ki_world'] :
                ( '$ki_accessible'(X0,X2)
               => ! [X3] :
                    ( '$ki_exists_in_world_$i'(X2,X3)
                   => ! [X4: '$ki_world'] :
                        ( '$ki_accessible'(X2,X4)
                       => ! [X5] :
                            ( '$ki_exists_in_world_$i'(X4,X5)
                           => ! [X6: '$ki_world'] :
                                ( '$ki_accessible'(X4,X6)
                               => ( ( ! [X8: '$ki_world'] :
                                        ( '$ki_accessible'(X6,X8)
                                       => member(X8,X1,X3) )
                                    & ! [X7: '$ki_world'] :
                                        ( '$ki_accessible'(X6,X7)
                                       => member(X7,X1,X5) ) )
                                 => ! [X9: '$ki_world'] :
                                      ( '$ki_accessible'(X6,X9)
                                     => intersect(X9,X3,X5) ) ) ) ) ) ) ) ) ),
    inference(rectify,[],[f7]) ).

tff(f7,negated_conjecture,
    ~ ! [X0: '$ki_world'] :
        ( '$ki_accessible'('$ki_local_world',X0)
       => ! [X3] :
            ( '$ki_exists_in_world_$i'(X0,X3)
           => ! [X4: '$ki_world'] :
                ( '$ki_accessible'(X0,X4)
               => ! [X5] :
                    ( '$ki_exists_in_world_$i'(X4,X5)
                   => ! [X6: '$ki_world'] :
                        ( '$ki_accessible'(X4,X6)
                       => ! [X8] :
                            ( '$ki_exists_in_world_$i'(X6,X8)
                           => ! [X7: '$ki_world'] :
                                ( '$ki_accessible'(X6,X7)
                               => ( ( ! [X9: '$ki_world'] :
                                        ( '$ki_accessible'(X7,X9)
                                       => member(X9,X3,X8) )
                                    & ! [X9: '$ki_world'] :
                                        ( '$ki_accessible'(X7,X9)
                                       => member(X9,X3,X5) ) )
                                 => ! [X9: '$ki_world'] :
                                      ( '$ki_accessible'(X7,X9)
                                     => intersect(X9,X5,X8) ) ) ) ) ) ) ) ) ),
    inference(negated_conjecture,[],[f6]) ).

tff(f6,conjecture,
    ! [X0: '$ki_world'] :
      ( '$ki_accessible'('$ki_local_world',X0)
     => ! [X3] :
          ( '$ki_exists_in_world_$i'(X0,X3)
         => ! [X4: '$ki_world'] :
              ( '$ki_accessible'(X0,X4)
             => ! [X5] :
                  ( '$ki_exists_in_world_$i'(X4,X5)
                 => ! [X6: '$ki_world'] :
                      ( '$ki_accessible'(X4,X6)
                     => ! [X8] :
                          ( '$ki_exists_in_world_$i'(X6,X8)
                         => ! [X7: '$ki_world'] :
                              ( '$ki_accessible'(X6,X7)
                             => ( ( ! [X9: '$ki_world'] :
                                      ( '$ki_accessible'(X7,X9)
                                     => member(X9,X3,X8) )
                                  & ! [X9: '$ki_world'] :
                                      ( '$ki_accessible'(X7,X9)
                                     => member(X9,X3,X5) ) )
                               => ! [X9: '$ki_world'] :
                                    ( '$ki_accessible'(X7,X9)
                                   => intersect(X9,X5,X8) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',verify) ).

tff(f115,plain,
    ! [X0: '$ki_world'] : intersect(X0,sK9,sK11),
    inference(resolution,[],[f112,f86]) ).

tff(f86,plain,
    ! [X3: $i,X1: $i,X4: '$ki_world',X5: '$ki_world'] :
      ( ~ intersect(sK0(X1,X3,X4),X1,X3)
      | intersect(X5,X3,X1) ),
    inference(subsumption_resolution,[],[f85,f44]) ).

tff(f44,plain,
    ! [X0: '$ki_world',X1: '$ki_world'] : '$ki_accessible'(X1,X0),
    inference(cnf_transformation,[],[f22]) ).

tff(f22,plain,
    ! [X0: '$ki_world',X1: '$ki_world'] : '$ki_accessible'(X1,X0),
    inference(rectify,[],[f1]) ).

tff(f1,axiom,
    ! [X1: '$ki_world',X0: '$ki_world'] : '$ki_accessible'(X0,X1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mrel_universal) ).

tff(f85,plain,
    ! [X2: '$ki_world',X3: $i,X1: $i,X4: '$ki_world',X5: '$ki_world'] :
      ( intersect(X5,X3,X1)
      | ~ '$ki_accessible'(X2,X4)
      | ~ intersect(sK0(X1,X3,X4),X1,X3) ),
    inference(subsumption_resolution,[],[f84,f43]) ).

tff(f43,plain,
    ! [X0: $i,X1: '$ki_world'] : '$ki_exists_in_world_$i'(X1,X0),
    inference(cnf_transformation,[],[f11]) ).

tff(f11,plain,
    ! [X0,X1: '$ki_world'] : '$ki_exists_in_world_$i'(X1,X0),
    inference(rectify,[],[f2]) ).

tff(f2,axiom,
    ! [X2,X0: '$ki_world'] : '$ki_exists_in_world_$i'(X0,X2),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p','$ki_exists_in_world_$i_const') ).

tff(f84,plain,
    ! [X2: '$ki_world',X3: $i,X0: '$ki_world',X1: $i,X4: '$ki_world',X5: '$ki_world'] :
      ( ~ intersect(sK0(X1,X3,X4),X1,X3)
      | intersect(X5,X3,X1)
      | ~ '$ki_exists_in_world_$i'(X0,X1)
      | ~ '$ki_accessible'(X2,X4) ),
    inference(subsumption_resolution,[],[f83,f43]) ).

tff(f83,plain,
    ! [X2: '$ki_world',X3: $i,X0: '$ki_world',X1: $i,X4: '$ki_world',X5: '$ki_world'] :
      ( ~ '$ki_exists_in_world_$i'(X2,X3)
      | intersect(X5,X3,X1)
      | ~ intersect(sK0(X1,X3,X4),X1,X3)
      | ~ '$ki_exists_in_world_$i'(X0,X1)
      | ~ '$ki_accessible'(X2,X4) ),
    inference(subsumption_resolution,[],[f82,f44]) ).

tff(f82,plain,
    ! [X2: '$ki_world',X3: $i,X0: '$ki_world',X1: $i,X4: '$ki_world',X5: '$ki_world'] :
      ( intersect(X5,X3,X1)
      | ~ intersect(sK0(X1,X3,X4),X1,X3)
      | ~ '$ki_accessible'(X4,X5)
      | ~ '$ki_accessible'(X2,X4)
      | ~ '$ki_exists_in_world_$i'(X2,X3)
      | ~ '$ki_exists_in_world_$i'(X0,X1) ),
    inference(subsumption_resolution,[],[f81,f44]) ).

tff(f81,plain,
    ! [X2: '$ki_world',X3: $i,X0: '$ki_world',X1: $i,X4: '$ki_world',X5: '$ki_world'] :
      ( ~ '$ki_accessible'('$ki_local_world',X0)
      | ~ '$ki_accessible'(X2,X4)
      | intersect(X5,X3,X1)
      | ~ '$ki_exists_in_world_$i'(X2,X3)
      | ~ '$ki_accessible'(X4,X5)
      | ~ intersect(sK0(X1,X3,X4),X1,X3)
      | ~ '$ki_exists_in_world_$i'(X0,X1) ),
    inference(subsumption_resolution,[],[f42,f44]) ).

tff(f42,plain,
    ! [X2: '$ki_world',X3: $i,X0: '$ki_world',X1: $i,X4: '$ki_world',X5: '$ki_world'] :
      ( ~ intersect(sK0(X1,X3,X4),X1,X3)
      | ~ '$ki_accessible'(X0,X2)
      | intersect(X5,X3,X1)
      | ~ '$ki_accessible'(X4,X5)
      | ~ '$ki_accessible'('$ki_local_world',X0)
      | ~ '$ki_exists_in_world_$i'(X2,X3)
      | ~ '$ki_accessible'(X2,X4)
      | ~ '$ki_exists_in_world_$i'(X0,X1) ),
    inference(cnf_transformation,[],[f21]) ).

tff(f21,plain,
    ! [X0: '$ki_world'] :
      ( ~ '$ki_accessible'('$ki_local_world',X0)
      | ! [X1] :
          ( ! [X2: '$ki_world'] :
              ( ~ '$ki_accessible'(X0,X2)
              | ! [X3] :
                  ( ~ '$ki_exists_in_world_$i'(X2,X3)
                  | ! [X4: '$ki_world'] :
                      ( ~ '$ki_accessible'(X2,X4)
                      | ! [X5: '$ki_world'] :
                          ( ~ '$ki_accessible'(X4,X5)
                          | intersect(X5,X3,X1) )
                      | ( ~ intersect(sK0(X1,X3,X4),X1,X3)
                        & '$ki_accessible'(X4,sK0(X1,X3,X4)) ) ) ) )
          | ~ '$ki_exists_in_world_$i'(X0,X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f19,f20]) ).

tff(f20,plain,
    ! [X1,X3,X4: '$ki_world'] :
      ( ? [X6: '$ki_world'] :
          ( ~ intersect(X6,X1,X3)
          & '$ki_accessible'(X4,X6) )
     => ( ~ intersect(sK0(X1,X3,X4),X1,X3)
        & '$ki_accessible'(X4,sK0(X1,X3,X4)) ) ),
    introduced(choice_axiom,[]) ).

tff(f19,plain,
    ! [X0: '$ki_world'] :
      ( ~ '$ki_accessible'('$ki_local_world',X0)
      | ! [X1] :
          ( ! [X2: '$ki_world'] :
              ( ~ '$ki_accessible'(X0,X2)
              | ! [X3] :
                  ( ~ '$ki_exists_in_world_$i'(X2,X3)
                  | ! [X4: '$ki_world'] :
                      ( ~ '$ki_accessible'(X2,X4)
                      | ! [X5: '$ki_world'] :
                          ( ~ '$ki_accessible'(X4,X5)
                          | intersect(X5,X3,X1) )
                      | ? [X6: '$ki_world'] :
                          ( ~ intersect(X6,X1,X3)
                          & '$ki_accessible'(X4,X6) ) ) ) )
          | ~ '$ki_exists_in_world_$i'(X0,X1) ) ),
    inference(rectify,[],[f18]) ).

tff(f18,plain,
    ! [X0: '$ki_world'] :
      ( ~ '$ki_accessible'('$ki_local_world',X0)
      | ! [X1] :
          ( ! [X2: '$ki_world'] :
              ( ~ '$ki_accessible'(X0,X2)
              | ! [X3] :
                  ( ~ '$ki_exists_in_world_$i'(X2,X3)
                  | ! [X4: '$ki_world'] :
                      ( ~ '$ki_accessible'(X2,X4)
                      | ! [X6: '$ki_world'] :
                          ( ~ '$ki_accessible'(X4,X6)
                          | intersect(X6,X3,X1) )
                      | ? [X5: '$ki_world'] :
                          ( ~ intersect(X5,X1,X3)
                          & '$ki_accessible'(X4,X5) ) ) ) )
          | ~ '$ki_exists_in_world_$i'(X0,X1) ) ),
    inference(flattening,[],[f17]) ).

tff(f17,plain,
    ! [X0: '$ki_world'] :
      ( ! [X1] :
          ( ! [X2: '$ki_world'] :
              ( ! [X3] :
                  ( ! [X4: '$ki_world'] :
                      ( ! [X6: '$ki_world'] :
                          ( ~ '$ki_accessible'(X4,X6)
                          | intersect(X6,X3,X1) )
                      | ? [X5: '$ki_world'] :
                          ( ~ intersect(X5,X1,X3)
                          & '$ki_accessible'(X4,X5) )
                      | ~ '$ki_accessible'(X2,X4) )
                  | ~ '$ki_exists_in_world_$i'(X2,X3) )
              | ~ '$ki_accessible'(X0,X2) )
          | ~ '$ki_exists_in_world_$i'(X0,X1) )
      | ~ '$ki_accessible'('$ki_local_world',X0) ),
    inference(ennf_transformation,[],[f9]) ).

tff(f9,plain,
    ! [X0: '$ki_world'] :
      ( '$ki_accessible'('$ki_local_world',X0)
     => ! [X1] :
          ( '$ki_exists_in_world_$i'(X0,X1)
         => ! [X2: '$ki_world'] :
              ( '$ki_accessible'(X0,X2)
             => ! [X3] :
                  ( '$ki_exists_in_world_$i'(X2,X3)
                 => ! [X4: '$ki_world'] :
                      ( '$ki_accessible'(X2,X4)
                     => ( ! [X5: '$ki_world'] :
                            ( '$ki_accessible'(X4,X5)
                           => intersect(X5,X1,X3) )
                       => ! [X6: '$ki_world'] :
                            ( '$ki_accessible'(X4,X6)
                           => intersect(X6,X3,X1) ) ) ) ) ) ) ),
    inference(rectify,[],[f5]) ).

tff(f5,axiom,
    ! [X0: '$ki_world'] :
      ( '$ki_accessible'('$ki_local_world',X0)
     => ! [X3] :
          ( '$ki_exists_in_world_$i'(X0,X3)
         => ! [X4: '$ki_world'] :
              ( '$ki_accessible'(X0,X4)
             => ! [X5] :
                  ( '$ki_exists_in_world_$i'(X4,X5)
                 => ! [X6: '$ki_world'] :
                      ( '$ki_accessible'(X4,X6)
                     => ( ! [X7: '$ki_world'] :
                            ( '$ki_accessible'(X6,X7)
                           => intersect(X7,X3,X5) )
                       => ! [X7: '$ki_world'] :
                            ( '$ki_accessible'(X6,X7)
                           => intersect(X7,X5,X3) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',symmetry_of_intersect) ).

tff(f112,plain,
    ! [X0: '$ki_world'] : intersect(X0,sK11,sK9),
    inference(resolution,[],[f107,f93]) ).

tff(f93,plain,
    ! [X8: '$ki_world'] : member(X8,sK7,sK11),
    inference(subsumption_resolution,[],[f62,f44]) ).

tff(f62,plain,
    ! [X8: '$ki_world'] :
      ( member(X8,sK7,sK11)
      | ~ '$ki_accessible'(sK12,X8) ),
    inference(cnf_transformation,[],[f40]) ).

tff(f107,plain,
    ! [X6: $i,X9: '$ki_world',X5: '$ki_world'] :
      ( ~ member(sK4(X6,X9,sK7),sK7,X6)
      | intersect(X5,X6,sK9) ),
    inference(subsumption_resolution,[],[f106,f44]) ).

tff(f106,plain,
    ! [X8: '$ki_world',X6: $i,X9: '$ki_world',X5: '$ki_world'] :
      ( ~ member(sK4(X6,X9,sK7),sK7,X6)
      | intersect(X5,X6,sK9)
      | ~ '$ki_accessible'(X8,X9) ),
    inference(subsumption_resolution,[],[f105,f44]) ).

tff(f105,plain,
    ! [X8: '$ki_world',X6: $i,X9: '$ki_world',X5: '$ki_world'] :
      ( ~ '$ki_accessible'(X9,X5)
      | ~ '$ki_accessible'(X8,X9)
      | ~ member(sK4(X6,X9,sK7),sK7,X6)
      | intersect(X5,X6,sK9) ),
    inference(subsumption_resolution,[],[f104,f44]) ).

tff(f104,plain,
    ! [X8: '$ki_world',X6: $i,X9: '$ki_world',X7: '$ki_world',X5: '$ki_world'] :
      ( ~ '$ki_accessible'(X7,X8)
      | ~ '$ki_accessible'(X9,X5)
      | intersect(X5,X6,sK9)
      | ~ member(sK4(X6,X9,sK7),sK7,X6)
      | ~ '$ki_accessible'(X8,X9) ),
    inference(subsumption_resolution,[],[f103,f44]) ).

tff(f103,plain,
    ! [X8: '$ki_world',X6: $i,X9: '$ki_world',X7: '$ki_world',X5: '$ki_world'] :
      ( ~ '$ki_accessible'('$ki_local_world',X7)
      | ~ '$ki_accessible'(X7,X8)
      | ~ '$ki_accessible'(X9,X5)
      | intersect(X5,X6,sK9)
      | ~ member(sK4(X6,X9,sK7),sK7,X6)
      | ~ '$ki_accessible'(X8,X9) ),
    inference(subsumption_resolution,[],[f102,f44]) ).

tff(f102,plain,
    ! [X8: '$ki_world',X6: $i,X9: '$ki_world',X7: '$ki_world',X5: '$ki_world'] :
      ( intersect(X5,X6,sK9)
      | ~ member(sK4(X6,X9,sK7),sK7,X6)
      | ~ '$ki_accessible'(sK12,sK5(sK9,X9,sK7))
      | ~ '$ki_accessible'(X7,X8)
      | ~ '$ki_accessible'(X8,X9)
      | ~ '$ki_accessible'('$ki_local_world',X7)
      | ~ '$ki_accessible'(X9,X5) ),
    inference(resolution,[],[f74,f63]) ).

tff(f63,plain,
    ! [X7: '$ki_world'] :
      ( member(X7,sK7,sK9)
      | ~ '$ki_accessible'(sK12,X7) ),
    inference(cnf_transformation,[],[f40]) ).

tff(f74,plain,
    ! [X2: '$ki_world',X3: $i,X10: '$ki_world',X0: '$ki_world',X11: $i,X1: $i,X9: '$ki_world'] :
      ( ~ member(sK5(X3,X9,X11),X11,X3)
      | intersect(X10,X1,X3)
      | ~ '$ki_accessible'(X0,X2)
      | ~ '$ki_accessible'(X9,X10)
      | ~ '$ki_accessible'('$ki_local_world',X0)
      | ~ member(sK4(X1,X9,X11),X11,X1)
      | ~ '$ki_accessible'(X2,X9) ),
    inference(subsumption_resolution,[],[f73,f43]) ).

tff(f73,plain,
    ! [X2: '$ki_world',X3: $i,X10: '$ki_world',X0: '$ki_world',X11: $i,X1: $i,X9: '$ki_world'] :
      ( ~ member(sK5(X3,X9,X11),X11,X3)
      | ~ '$ki_accessible'('$ki_local_world',X0)
      | ~ '$ki_accessible'(X9,X10)
      | ~ '$ki_accessible'(X2,X9)
      | ~ '$ki_exists_in_world_$i'(X2,X3)
      | ~ '$ki_accessible'(X0,X2)
      | intersect(X10,X1,X3)
      | ~ member(sK4(X1,X9,X11),X11,X1) ),
    inference(subsumption_resolution,[],[f72,f43]) ).

tff(f72,plain,
    ! [X2: '$ki_world',X3: $i,X10: '$ki_world',X0: '$ki_world',X11: $i,X1: $i,X9: '$ki_world'] :
      ( ~ '$ki_accessible'(X0,X2)
      | intersect(X10,X1,X3)
      | ~ member(sK4(X1,X9,X11),X11,X1)
      | ~ '$ki_accessible'(X9,X10)
      | ~ '$ki_accessible'(X2,X9)
      | ~ '$ki_exists_in_world_$i'(X9,X11)
      | ~ '$ki_accessible'('$ki_local_world',X0)
      | ~ member(sK5(X3,X9,X11),X11,X3)
      | ~ '$ki_exists_in_world_$i'(X2,X3) ),
    inference(subsumption_resolution,[],[f47,f43]) ).

tff(f47,plain,
    ! [X2: '$ki_world',X3: $i,X10: '$ki_world',X0: '$ki_world',X11: $i,X1: $i,X9: '$ki_world'] :
      ( ~ member(sK5(X3,X9,X11),X11,X3)
      | ~ member(sK4(X1,X9,X11),X11,X1)
      | ~ '$ki_exists_in_world_$i'(X0,X1)
      | intersect(X10,X1,X3)
      | ~ '$ki_accessible'(X9,X10)
      | ~ '$ki_accessible'('$ki_local_world',X0)
      | ~ '$ki_accessible'(X0,X2)
      | ~ '$ki_exists_in_world_$i'(X2,X3)
      | ~ '$ki_exists_in_world_$i'(X9,X11)
      | ~ '$ki_accessible'(X2,X9) ),
    inference(cnf_transformation,[],[f30]) ).

tff(f30,plain,
    ! [X0: '$ki_world'] :
      ( ! [X1] :
          ( ! [X2: '$ki_world'] :
              ( ! [X3] :
                  ( ( ! [X4: '$ki_world'] :
                        ( ( '$ki_exists_in_world_$i'(X4,sK2(X1,X3,X4))
                          & ! [X6: '$ki_world'] :
                              ( ~ '$ki_accessible'(X4,X6)
                              | member(X6,sK2(X1,X3,X4),X3) )
                          & ! [X7: '$ki_world'] :
                              ( member(X7,sK2(X1,X3,X4),X1)
                              | ~ '$ki_accessible'(X4,X7) ) )
                        | ~ '$ki_accessible'(X2,X4)
                        | ( ~ intersect(sK3(X1,X3,X4),X1,X3)
                          & '$ki_accessible'(X4,sK3(X1,X3,X4)) ) )
                    & ! [X9: '$ki_world'] :
                        ( ~ '$ki_accessible'(X2,X9)
                        | ! [X10: '$ki_world'] :
                            ( ~ '$ki_accessible'(X9,X10)
                            | intersect(X10,X1,X3) )
                        | ! [X11] :
                            ( ( '$ki_accessible'(X9,sK4(X1,X9,X11))
                              & ~ member(sK4(X1,X9,X11),X11,X1) )
                            | ~ '$ki_exists_in_world_$i'(X9,X11)
                            | ( ~ member(sK5(X3,X9,X11),X11,X3)
                              & '$ki_accessible'(X9,sK5(X3,X9,X11)) ) ) ) )
                  | ~ '$ki_exists_in_world_$i'(X2,X3) )
              | ~ '$ki_accessible'(X0,X2) )
          | ~ '$ki_exists_in_world_$i'(X0,X1) )
      | ~ '$ki_accessible'('$ki_local_world',X0) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2,sK3,sK4,sK5])],[f25,f29,f28,f27,f26]) ).

tff(f26,plain,
    ! [X1,X3,X4: '$ki_world'] :
      ( ? [X5] :
          ( '$ki_exists_in_world_$i'(X4,X5)
          & ! [X6: '$ki_world'] :
              ( ~ '$ki_accessible'(X4,X6)
              | member(X6,X5,X3) )
          & ! [X7: '$ki_world'] :
              ( member(X7,X5,X1)
              | ~ '$ki_accessible'(X4,X7) ) )
     => ( '$ki_exists_in_world_$i'(X4,sK2(X1,X3,X4))
        & ! [X6: '$ki_world'] :
            ( ~ '$ki_accessible'(X4,X6)
            | member(X6,sK2(X1,X3,X4),X3) )
        & ! [X7: '$ki_world'] :
            ( member(X7,sK2(X1,X3,X4),X1)
            | ~ '$ki_accessible'(X4,X7) ) ) ),
    introduced(choice_axiom,[]) ).

tff(f27,plain,
    ! [X1,X3,X4: '$ki_world'] :
      ( ? [X8: '$ki_world'] :
          ( ~ intersect(X8,X1,X3)
          & '$ki_accessible'(X4,X8) )
     => ( ~ intersect(sK3(X1,X3,X4),X1,X3)
        & '$ki_accessible'(X4,sK3(X1,X3,X4)) ) ),
    introduced(choice_axiom,[]) ).

tff(f28,plain,
    ! [X1,X9: '$ki_world',X11] :
      ( ? [X12: '$ki_world'] :
          ( '$ki_accessible'(X9,X12)
          & ~ member(X12,X11,X1) )
     => ( '$ki_accessible'(X9,sK4(X1,X9,X11))
        & ~ member(sK4(X1,X9,X11),X11,X1) ) ),
    introduced(choice_axiom,[]) ).

tff(f29,plain,
    ! [X3,X9: '$ki_world',X11] :
      ( ? [X13: '$ki_world'] :
          ( ~ member(X13,X11,X3)
          & '$ki_accessible'(X9,X13) )
     => ( ~ member(sK5(X3,X9,X11),X11,X3)
        & '$ki_accessible'(X9,sK5(X3,X9,X11)) ) ),
    introduced(choice_axiom,[]) ).

tff(f25,plain,
    ! [X0: '$ki_world'] :
      ( ! [X1] :
          ( ! [X2: '$ki_world'] :
              ( ! [X3] :
                  ( ( ! [X4: '$ki_world'] :
                        ( ? [X5] :
                            ( '$ki_exists_in_world_$i'(X4,X5)
                            & ! [X6: '$ki_world'] :
                                ( ~ '$ki_accessible'(X4,X6)
                                | member(X6,X5,X3) )
                            & ! [X7: '$ki_world'] :
                                ( member(X7,X5,X1)
                                | ~ '$ki_accessible'(X4,X7) ) )
                        | ~ '$ki_accessible'(X2,X4)
                        | ? [X8: '$ki_world'] :
                            ( ~ intersect(X8,X1,X3)
                            & '$ki_accessible'(X4,X8) ) )
                    & ! [X9: '$ki_world'] :
                        ( ~ '$ki_accessible'(X2,X9)
                        | ! [X10: '$ki_world'] :
                            ( ~ '$ki_accessible'(X9,X10)
                            | intersect(X10,X1,X3) )
                        | ! [X11] :
                            ( ? [X12: '$ki_world'] :
                                ( '$ki_accessible'(X9,X12)
                                & ~ member(X12,X11,X1) )
                            | ~ '$ki_exists_in_world_$i'(X9,X11)
                            | ? [X13: '$ki_world'] :
                                ( ~ member(X13,X11,X3)
                                & '$ki_accessible'(X9,X13) ) ) ) )
                  | ~ '$ki_exists_in_world_$i'(X2,X3) )
              | ~ '$ki_accessible'(X0,X2) )
          | ~ '$ki_exists_in_world_$i'(X0,X1) )
      | ~ '$ki_accessible'('$ki_local_world',X0) ),
    inference(rectify,[],[f16]) ).

tff(f16,plain,
    ! [X0: '$ki_world'] :
      ( ! [X1] :
          ( ! [X2: '$ki_world'] :
              ( ! [X3] :
                  ( ( ! [X4: '$ki_world'] :
                        ( ? [X6] :
                            ( '$ki_exists_in_world_$i'(X4,X6)
                            & ! [X8: '$ki_world'] :
                                ( ~ '$ki_accessible'(X4,X8)
                                | member(X8,X6,X3) )
                            & ! [X7: '$ki_world'] :
                                ( member(X7,X6,X1)
                                | ~ '$ki_accessible'(X4,X7) ) )
                        | ~ '$ki_accessible'(X2,X4)
                        | ? [X5: '$ki_world'] :
                            ( ~ intersect(X5,X1,X3)
                            & '$ki_accessible'(X4,X5) ) )
                    & ! [X9: '$ki_world'] :
                        ( ~ '$ki_accessible'(X2,X9)
                        | ! [X13: '$ki_world'] :
                            ( ~ '$ki_accessible'(X9,X13)
                            | intersect(X13,X1,X3) )
                        | ! [X10] :
                            ( ? [X12: '$ki_world'] :
                                ( '$ki_accessible'(X9,X12)
                                & ~ member(X12,X10,X1) )
                            | ~ '$ki_exists_in_world_$i'(X9,X10)
                            | ? [X11: '$ki_world'] :
                                ( ~ member(X11,X10,X3)
                                & '$ki_accessible'(X9,X11) ) ) ) )
                  | ~ '$ki_exists_in_world_$i'(X2,X3) )
              | ~ '$ki_accessible'(X0,X2) )
          | ~ '$ki_exists_in_world_$i'(X0,X1) )
      | ~ '$ki_accessible'('$ki_local_world',X0) ),
    inference(flattening,[],[f15]) ).

tff(f15,plain,
    ! [X0: '$ki_world'] :
      ( ! [X1] :
          ( ! [X2: '$ki_world'] :
              ( ! [X3] :
                  ( ( ! [X9: '$ki_world'] :
                        ( ! [X13: '$ki_world'] :
                            ( ~ '$ki_accessible'(X9,X13)
                            | intersect(X13,X1,X3) )
                        | ! [X10] :
                            ( ? [X12: '$ki_world'] :
                                ( '$ki_accessible'(X9,X12)
                                & ~ member(X12,X10,X1) )
                            | ~ '$ki_exists_in_world_$i'(X9,X10)
                            | ? [X11: '$ki_world'] :
                                ( ~ member(X11,X10,X3)
                                & '$ki_accessible'(X9,X11) ) )
                        | ~ '$ki_accessible'(X2,X9) )
                    & ! [X4: '$ki_world'] :
                        ( ? [X6] :
                            ( '$ki_exists_in_world_$i'(X4,X6)
                            & ! [X8: '$ki_world'] :
                                ( ~ '$ki_accessible'(X4,X8)
                                | member(X8,X6,X3) )
                            & ! [X7: '$ki_world'] :
                                ( member(X7,X6,X1)
                                | ~ '$ki_accessible'(X4,X7) ) )
                        | ? [X5: '$ki_world'] :
                            ( ~ intersect(X5,X1,X3)
                            & '$ki_accessible'(X4,X5) )
                        | ~ '$ki_accessible'(X2,X4) ) )
                  | ~ '$ki_exists_in_world_$i'(X2,X3) )
              | ~ '$ki_accessible'(X0,X2) )
          | ~ '$ki_exists_in_world_$i'(X0,X1) )
      | ~ '$ki_accessible'('$ki_local_world',X0) ),
    inference(ennf_transformation,[],[f10]) ).

tff(f10,plain,
    ! [X0: '$ki_world'] :
      ( '$ki_accessible'('$ki_local_world',X0)
     => ! [X1] :
          ( '$ki_exists_in_world_$i'(X0,X1)
         => ! [X2: '$ki_world'] :
              ( '$ki_accessible'(X0,X2)
             => ! [X3] :
                  ( '$ki_exists_in_world_$i'(X2,X3)
                 => ( ! [X9: '$ki_world'] :
                        ( '$ki_accessible'(X2,X9)
                       => ( ? [X10] :
                              ( ! [X11: '$ki_world'] :
                                  ( '$ki_accessible'(X9,X11)
                                 => member(X11,X10,X3) )
                              & ! [X12: '$ki_world'] :
                                  ( '$ki_accessible'(X9,X12)
                                 => member(X12,X10,X1) )
                              & '$ki_exists_in_world_$i'(X9,X10) )
                         => ! [X13: '$ki_world'] :
                              ( '$ki_accessible'(X9,X13)
                             => intersect(X13,X1,X3) ) ) )
                    & ! [X4: '$ki_world'] :
                        ( '$ki_accessible'(X2,X4)
                       => ( ! [X5: '$ki_world'] :
                              ( '$ki_accessible'(X4,X5)
                             => intersect(X5,X1,X3) )
                         => ? [X6] :
                              ( ! [X8: '$ki_world'] :
                                  ( '$ki_accessible'(X4,X8)
                                 => member(X8,X6,X3) )
                              & '$ki_exists_in_world_$i'(X4,X6)
                              & ! [X7: '$ki_world'] :
                                  ( '$ki_accessible'(X4,X7)
                                 => member(X7,X6,X1) ) ) ) ) ) ) ) ) ),
    inference(rectify,[],[f4]) ).

tff(f4,axiom,
    ! [X0: '$ki_world'] :
      ( '$ki_accessible'('$ki_local_world',X0)
     => ! [X3] :
          ( '$ki_exists_in_world_$i'(X0,X3)
         => ! [X4: '$ki_world'] :
              ( '$ki_accessible'(X0,X4)
             => ! [X5] :
                  ( '$ki_exists_in_world_$i'(X4,X5)
                 => ( ! [X6: '$ki_world'] :
                        ( '$ki_accessible'(X4,X6)
                       => ( ! [X7: '$ki_world'] :
                              ( '$ki_accessible'(X6,X7)
                             => intersect(X7,X3,X5) )
                         => ? [X8] :
                              ( ! [X7: '$ki_world'] :
                                  ( '$ki_accessible'(X6,X7)
                                 => member(X7,X8,X3) )
                              & ! [X7: '$ki_world'] :
                                  ( '$ki_accessible'(X6,X7)
                                 => member(X7,X8,X5) )
                              & '$ki_exists_in_world_$i'(X6,X8) ) ) )
                    & ! [X6: '$ki_world'] :
                        ( '$ki_accessible'(X4,X6)
                       => ( ? [X8] :
                              ( ! [X7: '$ki_world'] :
                                  ( '$ki_accessible'(X6,X7)
                                 => member(X7,X8,X5) )
                              & ! [X7: '$ki_world'] :
                                  ( '$ki_accessible'(X6,X7)
                                 => member(X7,X8,X3) )
                              & '$ki_exists_in_world_$i'(X6,X8) )
                         => ! [X7: '$ki_world'] :
                              ( '$ki_accessible'(X6,X7)
                             => intersect(X7,X3,X5) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',intersect_defn) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.09  % Problem    : LCL950_17 : TPTP v8.2.0. Released v8.2.0.
% 0.02/0.09  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.10/0.28  % Computer : n032.cluster.edu
% 0.10/0.28  % Model    : x86_64 x86_64
% 0.10/0.28  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.28  % Memory   : 8042.1875MB
% 0.10/0.28  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.28  % CPULimit   : 300
% 0.10/0.28  % WCLimit    : 300
% 0.10/0.28  % DateTime   : Mon May 22 12:01:38 EDT 2023
% 0.10/0.28  % CPUTime    : 
% 0.13/0.39  % (17318)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)
% 0.13/0.40  % (17320)lrs+10_1:1024_nm=0:nwc=5.0:ss=axioms:i=13:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/13Mi)
% 0.13/0.40  % (17320)First to succeed.
% 0.13/0.41  % (17327)lrs+10_1:2_br=off:nm=4:ss=included:urr=on:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.13/0.41  % (17319)lrs+10_5:1_br=off:fde=none:nwc=3.0:sd=1:sgt=10:sos=on:ss=axioms:urr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.13/0.41  % (17334)ott+1010_1:1_sd=2:sos=on:sp=occurrence:ss=axioms:urr=on:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.13/0.41  % (17334)Instruction limit reached!
% 0.13/0.41  % (17334)------------------------------
% 0.13/0.41  % (17334)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.13/0.41  % (17334)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.13/0.41  % (17334)Termination reason: Unknown
% 0.13/0.41  % (17334)Termination phase: Preprocessing 1
% 0.13/0.41  
% 0.13/0.41  % (17334)Memory used [KB]: 1407
% 0.13/0.41  % (17334)Time elapsed: 0.002 s
% 0.13/0.41  % (17334)Instructions burned: 2 (million)
% 0.13/0.41  % (17334)------------------------------
% 0.13/0.41  % (17334)------------------------------
% 0.13/0.41  % (17331)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)
% 0.13/0.41  % (17344)dis+2_3:1_aac=none:abs=on:ep=R:lcm=reverse:nwc=10.0:sos=on:sp=const_frequency:spb=units:urr=ec_only:i=8:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/8Mi)
% 0.13/0.41  % (17327)Instruction limit reached!
% 0.13/0.41  % (17327)------------------------------
% 0.13/0.41  % (17327)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.13/0.41  % (17327)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.13/0.41  % (17327)Termination reason: Unknown
% 0.13/0.41  % (17327)Termination phase: Saturation
% 0.13/0.41  
% 0.13/0.41  % (17327)Memory used [KB]: 6012
% 0.13/0.41  % (17327)Time elapsed: 0.096 s
% 0.13/0.41  % (17327)Instructions burned: 8 (million)
% 0.13/0.41  % (17327)------------------------------
% 0.13/0.41  % (17327)------------------------------
% 0.13/0.42  % (17339)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)
% 0.13/0.42  % (17336)dis+1010_1:1_bs=on:ep=RS:erd=off:newcnf=on:nwc=10.0:s2a=on:sgt=32:ss=axioms:i=30:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/30Mi)
% 0.13/0.42  % (17322)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)
% 0.13/0.42  % (17325)lrs+10_1:1_br=off:sos=on:ss=axioms:st=2.0:urr=on:i=33:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/33Mi)
% 0.13/0.42  % (17323)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)
% 0.13/0.42  % (17320)Refutation found. Thanks to Tanya!
% 0.13/0.42  % SZS status Theorem for theBenchmark
% 0.13/0.42  % SZS output start Proof for theBenchmark
% See solution above
% 0.13/0.42  % (17320)------------------------------
% 0.13/0.42  % (17320)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.13/0.42  % (17320)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.13/0.42  % (17320)Termination reason: Refutation
% 0.13/0.42  
% 0.13/0.42  % (17320)Memory used [KB]: 6012
% 0.13/0.42  % (17320)Time elapsed: 0.086 s
% 0.13/0.42  % (17320)Instructions burned: 4 (million)
% 0.13/0.42  % (17320)------------------------------
% 0.13/0.42  % (17320)------------------------------
% 0.13/0.42  % (17315)Success in time 0.133 s
%------------------------------------------------------------------------------