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Vampire-SAT---5.0.1.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Vampire-SAT---5.0.1
% Problem  : LCL947_10 : TPTP v9.3.1. Released v8.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT

% Computer : n018.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Tue Sep 29 12:01:13 PM UTC 2026

% Result   : Theorem 0.15s 0.48s
% Output   : Refutation 0.15s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   69 (  17 unt;   0 typ;   3 def)
%            Number of atoms       :  320 (   0 equ)
%            Maximal formula atoms :    9 (   4 avg)
%            Number of connectives :  307 ( 130   ~; 137   |;  11   &)
%                                         (   3 <=>;  26  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   15 (   6 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of FOOLs       :   74 (  74 fml;   0 var)
%            Number of types       :    3 (   1 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of predicates  :   14 (  13 usr;   5 prp; 0-4 aty)
%            Number of functors    :   39 (  39 usr;   3 con; 0-4 aty)
%            Number of variables   :  136 (   0 sgn 130   !;   6   ?; 136   :)

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

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

tff(func_def_2,type,
    sK3: '$ki_world' > $i ).

tff(func_def_3,type,
    sK4: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_4,type,
    sK5: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_5,type,
    sK6: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_6,type,
    sK7: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_7,type,
    sK8: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_8,type,
    sK9: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_9,type,
    sK10: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_10,type,
    sK11: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_11,type,
    sK12: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_12,type,
    sK13: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_13,type,
    sK14: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_14,type,
    sK15: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_15,type,
    sK16: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_16,type,
    sK17: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_17,type,
    sK18: ( $i * $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_18,type,
    sK19: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_19,type,
    sK20: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_20,type,
    sK21: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_21,type,
    sK22: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_22,type,
    sK23: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_23,type,
    sK24: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_24,type,
    sK25: ( $i * $i * '$ki_world' ) > $i ).

tff(func_def_25,type,
    sK26: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_26,type,
    sK27: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_27,type,
    sK28: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_28,type,
    sK29: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_29,type,
    sK30: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_30,type,
    sK31: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_31,type,
    sK32: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_32,type,
    sK33: ( $i * $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_33,type,
    sK34: ( $i * $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_34,type,
    sK35: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_35,type,
    sK36: ( $i * $i * '$ki_world' ) > $i ).

tff(func_def_36,type,
    sK37: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_37,type,
    sK38: ( $i * $i * '$ki_world' ) > '$ki_world' ).

tff(func_def_38,type,
    sK39: '$ki_world' ).

tff(func_def_40,type,
    sK41: '$ki_world' ).

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

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

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

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

tff(pred_def_5,type,
    '$ki_exists_in_world_$i': ( '$ki_world' * $i ) > $o ).

tff(pred_def_6,type,
    sP0: ( $i * $i * '$ki_world' ) > $o ).

tff(pred_def_7,type,
    sP1: ( $i * $i * $i * '$ki_world' ) > $o ).

tff(pred_def_8,type,
    sP2: ( $i * $i * '$ki_world' ) > $o ).

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

tff(f2,axiom,
    ! [X0: '$ki_world',X1: '$ki_world',X2: '$ki_world'] :
      ( ( '$ki_accessible'(X0,X1)
        & '$ki_accessible'(X1,X2) )
     => '$ki_accessible'(X0,X2) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mrel_transitive) ).

tff(f13,axiom,
    ! [X0: '$ki_world'] :
      ( '$ki_accessible'('$ki_local_world',X0)
     => ! [X1: $i] :
          ( '$ki_exists_in_world_$i'(X0,X1)
         => ! [X2: '$ki_world'] :
              ( '$ki_accessible'(X0,X2)
             => ! [X3: $i] :
                  ( '$ki_exists_in_world_$i'(X2,X3)
                 => ! [X4: '$ki_world'] :
                      ( '$ki_accessible'(X2,X4)
                     => ( ! [X5: '$ki_world'] :
                            ( '$ki_accessible'(X4,X5)
                           => subset(X5,X1,X3) )
                       => ! [X5: '$ki_world'] :
                            ( '$ki_accessible'(X4,X5)
                           => qmltpeq(X5,union(X1,X3),X3) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',subset_union) ).

tff(f18,axiom,
    ! [X0: '$ki_world'] :
      ( '$ki_accessible'('$ki_local_world',X0)
     => ! [X1: $i] :
          ( '$ki_exists_in_world_$i'(X0,X1)
         => ! [X2: '$ki_world'] :
              ( '$ki_accessible'(X0,X2)
             => subset(X2,X1,X1) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',reflexivity_of_subset) ).

tff(f20,conjecture,
    ! [X0: '$ki_world'] :
      ( '$ki_accessible'('$ki_local_world',X0)
     => ! [X1: $i] :
          ( '$ki_exists_in_world_$i'(X0,X1)
         => ! [X2: '$ki_world'] :
              ( '$ki_accessible'(X0,X2)
             => qmltpeq(X2,union(X1,X1),X1) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',verify) ).

tff(f21,negated_conjecture,
    ~ ! [X0: '$ki_world'] :
        ( '$ki_accessible'('$ki_local_world',X0)
       => ! [X1: $i] :
            ( '$ki_exists_in_world_$i'(X0,X1)
           => ! [X2: '$ki_world'] :
                ( '$ki_accessible'(X0,X2)
               => qmltpeq(X2,union(X1,X1),X1) ) ) ),
    inference(negated_conjecture,[status(cth)],[f20]) ).

tff(f30,plain,
    ! [X0: '$ki_world'] :
      ( '$ki_accessible'('$ki_local_world',X0)
     => ! [X1: $i] :
          ( '$ki_exists_in_world_$i'(X0,X1)
         => ! [X2: '$ki_world'] :
              ( '$ki_accessible'(X0,X2)
             => ! [X3: $i] :
                  ( '$ki_exists_in_world_$i'(X2,X3)
                 => ! [X4: '$ki_world'] :
                      ( '$ki_accessible'(X2,X4)
                     => ( ! [X5: '$ki_world'] :
                            ( '$ki_accessible'(X4,X5)
                           => subset(X5,X1,X3) )
                       => ! [X6: '$ki_world'] :
                            ( '$ki_accessible'(X4,X6)
                           => qmltpeq(X6,union(X1,X3),X3) ) ) ) ) ) ) ),
    inference(rectify,[],[f13]) ).

tff(f35,plain,
    ! [X0: '$ki_world',X1: '$ki_world',X2: '$ki_world'] :
      ( '$ki_accessible'(X0,X2)
      | ~ '$ki_accessible'(X0,X1)
      | ~ '$ki_accessible'(X1,X2) ),
    inference(ennf_transformation,[],[f2]) ).

tff(f36,plain,
    ! [X0: '$ki_world',X1: '$ki_world',X2: '$ki_world'] :
      ( '$ki_accessible'(X0,X2)
      | ~ '$ki_accessible'(X0,X1)
      | ~ '$ki_accessible'(X1,X2) ),
    inference(flattening,[],[f35]) ).

tff(f54,plain,
    ! [X0: '$ki_world'] :
      ( ! [X1: $i] :
          ( ! [X2: '$ki_world'] :
              ( ! [X3: $i] :
                  ( ! [X4: '$ki_world'] :
                      ( ! [X6: '$ki_world'] :
                          ( qmltpeq(X6,union(X1,X3),X3)
                          | ~ '$ki_accessible'(X4,X6) )
                      | ? [X5: '$ki_world'] :
                          ( ~ subset(X5,X1,X3)
                          & '$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,[],[f30]) ).

tff(f55,plain,
    ! [X0: '$ki_world'] :
      ( ! [X1: $i] :
          ( ! [X2: '$ki_world'] :
              ( ! [X3: $i] :
                  ( ! [X4: '$ki_world'] :
                      ( ! [X6: '$ki_world'] :
                          ( qmltpeq(X6,union(X1,X3),X3)
                          | ~ '$ki_accessible'(X4,X6) )
                      | ? [X5: '$ki_world'] :
                          ( ~ subset(X5,X1,X3)
                          & '$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(flattening,[],[f54]) ).

tff(f63,plain,
    ! [X0: '$ki_world'] :
      ( ! [X1: $i] :
          ( ! [X2: '$ki_world'] :
              ( subset(X2,X1,X1)
              | ~ '$ki_accessible'(X0,X2) )
          | ~ '$ki_exists_in_world_$i'(X0,X1) )
      | ~ '$ki_accessible'('$ki_local_world',X0) ),
    inference(ennf_transformation,[],[f18]) ).

tff(f66,plain,
    ? [X0: '$ki_world'] :
      ( ? [X1: $i] :
          ( ? [X2: '$ki_world'] :
              ( ~ qmltpeq(X2,union(X1,X1),X1)
              & '$ki_accessible'(X0,X2) )
          & '$ki_exists_in_world_$i'(X0,X1) )
      & '$ki_accessible'('$ki_local_world',X0) ),
    inference(ennf_transformation,[],[f21]) ).

tff(f89,plain,
    ! [X0: '$ki_world'] :
      ( ! [X1: $i] :
          ( ! [X2: '$ki_world'] :
              ( ! [X3: $i] :
                  ( ! [X4: '$ki_world'] :
                      ( ! [X5: '$ki_world'] :
                          ( qmltpeq(X5,union(X1,X3),X3)
                          | ~ '$ki_accessible'(X4,X5) )
                      | ? [X6: '$ki_world'] :
                          ( ~ subset(X6,X1,X3)
                          & '$ki_accessible'(X4,X6) )
                      | ~ '$ki_accessible'(X2,X4) )
                  | ~ '$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(rectify,[],[f55]) ).

tff(f90,plain,
    ! [X0: '$ki_world'] :
      ( ! [X1: $i] :
          ( ! [X2: '$ki_world'] :
              ( ! [X3: $i] :
                  ( ! [X4: '$ki_world'] :
                      ( ! [X5: '$ki_world'] :
                          ( qmltpeq(X5,union(X1,X3),X3)
                          | ~ '$ki_accessible'(X4,X5) )
                      | ( ~ subset(sK17(X1,X3,X4),X1,X3)
                        & '$ki_accessible'(X4,sK17(X1,X3,X4)) )
                      | ~ '$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(skolemize,[status(esa),new_symbols(skolem,[sK17]),skolemize(X6,sK17(X1,X3,X4))],[f89]) ).

tff(f108,plain,
    ( ~ qmltpeq(sK41,union(sK40,sK40),sK40)
    & '$ki_accessible'(sK39,sK41)
    & '$ki_exists_in_world_$i'(sK39,sK40)
    & '$ki_accessible'('$ki_local_world',sK39) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK39,sK40,sK41]),skolemize(X0,sK39),skolemize(X1,sK40),skolemize(X2,sK41)],[f66]) ).

tff(f109,plain,
    ! [X0: '$ki_world'] : '$ki_accessible'(X0,X0),
    inference(cnf_transformation,[],[f1]) ).

tff(f110,plain,
    ! [X2: '$ki_world',X0: '$ki_world',X1: '$ki_world'] :
      ( '$ki_accessible'(X0,X2)
      | ~ '$ki_accessible'(X0,X1)
      | ~ '$ki_accessible'(X1,X2) ),
    inference(cnf_transformation,[],[f36]) ).

tff(f139,plain,
    ! [X2: '$ki_world',X3: $i,X0: '$ki_world',X1: $i,X4: '$ki_world',X5: '$ki_world'] :
      ( qmltpeq(X5,union(X1,X3),X3)
      | ~ '$ki_accessible'(X4,X5)
      | '$ki_accessible'(X4,sK17(X1,X3,X4))
      | ~ '$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(cnf_transformation,[],[f90]) ).

tff(f140,plain,
    ! [X2: '$ki_world',X3: $i,X0: '$ki_world',X1: $i,X4: '$ki_world',X5: '$ki_world'] :
      ( qmltpeq(X5,union(X1,X3),X3)
      | ~ '$ki_accessible'(X4,X5)
      | ~ subset(sK17(X1,X3,X4),X1,X3)
      | ~ '$ki_accessible'(X2,X4)
      | ~ '$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(cnf_transformation,[],[f90]) ).

tff(f167,plain,
    ! [X2: '$ki_world',X0: '$ki_world',X1: $i] :
      ( subset(X2,X1,X1)
      | ~ '$ki_accessible'(X0,X2)
      | ~ '$ki_exists_in_world_$i'(X0,X1)
      | ~ '$ki_accessible'('$ki_local_world',X0) ),
    inference(cnf_transformation,[],[f63]) ).

tff(f187,plain,
    '$ki_accessible'('$ki_local_world',sK39),
    inference(cnf_transformation,[],[f108]) ).

tff(f188,plain,
    '$ki_exists_in_world_$i'(sK39,sK40),
    inference(cnf_transformation,[],[f108]) ).

tff(f189,plain,
    '$ki_accessible'(sK39,sK41),
    inference(cnf_transformation,[],[f108]) ).

tff(f190,plain,
    ~ qmltpeq(sK41,union(sK40,sK40),sK40),
    inference(cnf_transformation,[],[f108]) ).

tff(f191,plain,
    ! [X0: '$ki_world'] : ~ '$ki_accessible'(X0,X0),
    inference(consistent_polarity_flipping,[],[f109]) ).

tff(f192,plain,
    ! [X2: '$ki_world',X0: '$ki_world',X1: '$ki_world'] :
      ( '$ki_accessible'(X1,X2)
      | '$ki_accessible'(X0,X1)
      | ~ '$ki_accessible'(X0,X2) ),
    inference(consistent_polarity_flipping,[],[f110]) ).

tff(f220,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'(X4,X5)
      | ~ subset(sK17(X1,X3,X4),X1,X3)
      | '$ki_accessible'(X2,X4)
      | ~ '$ki_exists_in_world_$i'(X2,X3)
      | '$ki_accessible'(X0,X2)
      | ~ '$ki_exists_in_world_$i'(X0,X1)
      | ~ qmltpeq(X5,union(X1,X3),X3) ),
    inference(consistent_polarity_flipping,[],[f140]) ).

tff(f221,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'(X4,X5)
      | ~ '$ki_accessible'(X4,sK17(X1,X3,X4))
      | '$ki_accessible'(X2,X4)
      | ~ '$ki_exists_in_world_$i'(X2,X3)
      | '$ki_accessible'(X0,X2)
      | ~ '$ki_exists_in_world_$i'(X0,X1)
      | ~ qmltpeq(X5,union(X1,X3),X3) ),
    inference(consistent_polarity_flipping,[],[f139]) ).

tff(f248,plain,
    ! [X2: '$ki_world',X0: '$ki_world',X1: $i] :
      ( '$ki_accessible'('$ki_local_world',X0)
      | '$ki_accessible'(X0,X2)
      | ~ '$ki_exists_in_world_$i'(X0,X1)
      | subset(X2,X1,X1) ),
    inference(consistent_polarity_flipping,[],[f167]) ).

tff(f268,plain,
    qmltpeq(sK41,union(sK40,sK40),sK40),
    inference(consistent_polarity_flipping,[],[f190]) ).

tff(f269,plain,
    ~ '$ki_accessible'(sK39,sK41),
    inference(consistent_polarity_flipping,[],[f189]) ).

tff(f270,plain,
    ~ '$ki_accessible'('$ki_local_world',sK39),
    inference(consistent_polarity_flipping,[],[f187]) ).

tff(f285,plain,
    ! [X0: '$ki_world',X1: $i] :
      ( '$ki_accessible'(sK39,X0)
      | ~ '$ki_exists_in_world_$i'(sK39,X1)
      | subset(X0,X1,X1) ),
    inference(resolution,[],[f248,f270]) ).

tff(f443,definition,
    ( spl42_2
  <=> '$ki_exists_in_world_$i'(sK39,sK40) ),
    introduced(definition,[new_symbols(definition,[spl42_2])],[avatar_definition]) ).

tff(f445,plain,
    ( ~ '$ki_exists_in_world_$i'(sK39,sK40)
    | spl42_2 ),
    inference(avatar_component_clause,[],[f443]) ).

tff(f451,plain,
    ( $false
    | spl42_2 ),
    inference(resolution,[],[f445,f188]) ).

tff(f452,plain,
    spl42_2,
    inference(avatar_contradiction_clause,[],[f451]) ).

tff(f672,plain,
    ! [X2: $i,X3: $i,X0: '$ki_world',X1: '$ki_world',X4: '$ki_world'] :
      ( '$ki_accessible'(sK39,X4)
      | ~ '$ki_accessible'(X0,sK17(X2,X3,X0))
      | '$ki_accessible'(X4,X0)
      | ~ '$ki_exists_in_world_$i'(X4,X3)
      | '$ki_accessible'(X0,X1)
      | ~ '$ki_exists_in_world_$i'(sK39,X2)
      | ~ qmltpeq(X1,union(X2,X3),X3) ),
    inference(resolution,[],[f221,f270]) ).

tff(f699,plain,
    ! [X2: $i,X3: $i,X0: '$ki_world',X1: '$ki_world',X4: '$ki_world'] :
      ( '$ki_accessible'(sK39,X4)
      | ~ subset(sK17(X2,X3,X0),X2,X3)
      | '$ki_accessible'(X4,X0)
      | ~ '$ki_exists_in_world_$i'(X4,X3)
      | '$ki_accessible'(X0,X1)
      | ~ '$ki_exists_in_world_$i'(sK39,X2)
      | ~ qmltpeq(X1,union(X2,X3),X3) ),
    inference(resolution,[],[f220,f270]) ).

tff(f1033,plain,
    ! [X2: $i,X3: '$ki_world',X0: '$ki_world',X1: $i] :
      ( '$ki_accessible'(sK39,X0)
      | ~ '$ki_accessible'(X0,sK17(X1,X2,X0))
      | ~ '$ki_exists_in_world_$i'(sK39,X2)
      | '$ki_accessible'(X0,X3)
      | ~ '$ki_exists_in_world_$i'(sK39,X1)
      | ~ qmltpeq(X3,union(X1,X2),X2) ),
    inference(resolution,[],[f672,f191]) ).

tff(f1044,definition,
    ( spl42_7
  <=> '$ki_accessible'(sK41,sK17(sK40,sK40,sK41)) ),
    introduced(definition,[new_symbols(definition,[spl42_7])],[avatar_definition]) ).

tff(f1046,plain,
    ( ~ '$ki_accessible'(sK41,sK17(sK40,sK40,sK41))
    | spl42_7 ),
    inference(avatar_component_clause,[],[f1044]) ).

tff(f1102,plain,
    ( ! [X0: '$ki_world'] :
        ( '$ki_accessible'(X0,sK41)
        | ~ '$ki_accessible'(X0,sK17(sK40,sK40,sK41)) )
    | spl42_7 ),
    inference(resolution,[],[f1046,f192]) ).

tff(f1115,plain,
    ( ~ '$ki_accessible'(sK39,sK17(sK40,sK40,sK41))
    | spl42_7 ),
    inference(resolution,[],[f1102,f269]) ).

tff(f1154,plain,
    ( ! [X0: $i] :
        ( subset(sK17(sK40,sK40,sK41),X0,X0)
        | ~ '$ki_exists_in_world_$i'(sK39,X0) )
    | spl42_7 ),
    inference(resolution,[],[f1115,f285]) ).

tff(f1326,plain,
    ! [X2: '$ki_world',X0: $i,X1: $i] :
      ( '$ki_accessible'(sK41,X2)
      | ~ '$ki_exists_in_world_$i'(sK39,X1)
      | ~ '$ki_accessible'(sK41,sK17(X0,X1,sK41))
      | ~ '$ki_exists_in_world_$i'(sK39,X0)
      | ~ qmltpeq(X2,union(X0,X1),X1) ),
    inference(resolution,[],[f1033,f269]) ).

tff(f1333,plain,
    ! [X0: $i,X1: $i] :
      ( ~ qmltpeq(sK41,union(X1,X0),X0)
      | ~ '$ki_accessible'(sK41,sK17(X1,X0,sK41))
      | ~ '$ki_exists_in_world_$i'(sK39,X1)
      | ~ '$ki_exists_in_world_$i'(sK39,X0) ),
    inference(resolution,[],[f1326,f191]) ).

tff(f1334,plain,
    ( ~ '$ki_accessible'(sK41,sK17(sK40,sK40,sK41))
    | ~ '$ki_exists_in_world_$i'(sK39,sK40)
    | ~ '$ki_exists_in_world_$i'(sK39,sK40) ),
    inference(resolution,[],[f1333,f268]) ).

tff(f1335,plain,
    ( ~ '$ki_accessible'(sK41,sK17(sK40,sK40,sK41))
    | ~ '$ki_exists_in_world_$i'(sK39,sK40) ),
    inference(duplicate_literal_removal,[],[f1334]) ).

tff(f1672,plain,
    ! [X2: '$ki_world',X3: '$ki_world',X0: $i,X1: $i] :
      ( '$ki_accessible'(sK39,X2)
      | ~ subset(sK17(X0,X1,X2),X0,X1)
      | ~ '$ki_exists_in_world_$i'(sK39,X1)
      | '$ki_accessible'(X2,X3)
      | ~ '$ki_exists_in_world_$i'(sK39,X0)
      | ~ qmltpeq(X3,union(X0,X1),X1) ),
    inference(resolution,[],[f699,f191]) ).

tff(f1939,plain,
    ! [X2: '$ki_world',X0: $i,X1: $i] :
      ( '$ki_accessible'(sK41,X2)
      | ~ '$ki_exists_in_world_$i'(sK39,X1)
      | ~ subset(sK17(X0,X1,sK41),X0,X1)
      | ~ '$ki_exists_in_world_$i'(sK39,X0)
      | ~ qmltpeq(X2,union(X0,X1),X1) ),
    inference(resolution,[],[f1672,f269]) ).

tff(f1947,plain,
    ! [X0: $i,X1: $i] :
      ( ~ subset(sK17(X1,X0,sK41),X1,X0)
      | ~ '$ki_exists_in_world_$i'(sK39,X0)
      | ~ '$ki_exists_in_world_$i'(sK39,X1)
      | ~ qmltpeq(sK41,union(X1,X0),X0) ),
    inference(resolution,[],[f1939,f191]) ).

tff(f1949,plain,
    ( ~ '$ki_exists_in_world_$i'(sK39,sK40)
    | ~ '$ki_exists_in_world_$i'(sK39,sK40)
    | ~ qmltpeq(sK41,union(sK40,sK40),sK40)
    | ~ '$ki_exists_in_world_$i'(sK39,sK40)
    | spl42_7 ),
    inference(resolution,[],[f1947,f1154]) ).

tff(f2078,plain,
    ( ~ '$ki_exists_in_world_$i'(sK39,sK40)
    | ~ qmltpeq(sK41,union(sK40,sK40),sK40)
    | spl42_7 ),
    inference(duplicate_literal_removal,[],[f1949]) ).

tff(f2085,definition,
    ( spl42_10
  <=> qmltpeq(sK41,union(sK40,sK40),sK40) ),
    introduced(definition,[new_symbols(definition,[spl42_10])],[avatar_definition]) ).

tff(f2087,plain,
    ( ~ qmltpeq(sK41,union(sK40,sK40),sK40)
    | spl42_10 ),
    inference(avatar_component_clause,[],[f2085]) ).

tff(f2195,plain,
    ( ~ spl42_10
    | ~ spl42_2
    | spl42_7 ),
    inference(avatar_split_clause,[],[f2078,f1044,f443,f2085]) ).

tff(f2405,plain,
    ( $false
    | spl42_10 ),
    inference(resolution,[],[f2087,f268]) ).

tff(f2406,plain,
    spl42_10,
    inference(avatar_contradiction_clause,[],[f2405]) ).

tff(f2407,plain,
    ( ~ spl42_2
    | ~ spl42_7 ),
    inference(avatar_split_clause,[],[f1335,f1044,f443]) ).

cnf(s2,plain,
    spl42_2,
    inference(sat_conversion,[],[f452]) ).

cnf(s45,plain,
    ( ~ spl42_2
    | spl42_7
    | ~ spl42_10 ),
    inference(sat_conversion,[],[f2195]) ).

cnf(s47,plain,
    spl42_10,
    inference(sat_conversion,[],[f2406]) ).

cnf(s48,plain,
    ( ~ spl42_2
    | ~ spl42_7 ),
    inference(sat_conversion,[],[f2407]) ).

cnf(s50,plain,
    ( ~ spl42_2
    | spl42_7 ),
    inference(rat,[],[s45,s47]) ).

cnf(s90,plain,
    ~ spl42_7,
    inference(rat,[],[s48,s2]) ).

cnf(s91,plain,
    $false,
    inference(rat,[],[s50,s90,s2]) ).

tff(f2408,plain,
    $false,
    inference(avatar_sat_refutation,[],[s91]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : LCL947_10 : TPTP v9.3.1. Released v8.2.0.
% 0.00/0.06  % Command  : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.12/0.37  % Computer : n018.cluster.edu
% 0.12/0.37  % Model    : x86_64 x86_64
% 0.12/0.37  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.37  % Memory   : 8046.5625MB
% 0.12/0.37  % OS       : Linux 6.8.0-71-generic
% 0.12/0.37  % CPULimit : 300
% 0.12/0.37  % WCLimit  : 300
% 0.12/0.37  % DateTime : Sun Sep 27 17:10:23 UTC 2026
% 0.12/0.37  % CPUTime  : 
% 0.12/0.37  Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.12/0.39  Running first-order model finding
% 0.12/0.39  Running: /export/starexec/sandbox/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc --intent sat -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.15/0.48  % (2599858)Will run a generic schedule for satisfiability detection.
% 0.15/0.48  % (2599873)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=4107629835:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.15/0.48  % (2599867)% WARNING: option uhcvi not known.
% 0.15/0.48  % (2599868)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=129587141:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.15/0.48  % (2599871)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=877139383:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.15/0.48  % (2599866)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=193918631_2999 on theBenchmark for (2999ds/0Mi)
% 0.15/0.48  % (2599867)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=417304076:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.15/0.48  % (2599872)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=1626649579:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.15/0.48  % (2599870)dis+10_1_sil=32000:sp=arity:random_seed=3274114319:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.15/0.48  % TRYING [1]
% 0.15/0.48  % TRYING [2]
% 0.15/0.48  % (2599872) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-2599858-2599872"...
% 0.15/0.48  % (2599873) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-2599858-2599873"...
% 0.15/0.48  % (2599873)...printing done.
% 0.15/0.48  % (2599872)...printing done.
% 0.15/0.48  % (2599873)Refutation found. Thanks to Tanya!
% 0.15/0.48  % SZS status Theorem for theBenchmark
% 0.15/0.48  % SZS output start Proof for theBenchmark
% See solution above
% 0.15/0.49  % (2599873)------------------------------
% 0.15/0.49  % (2599873)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.15/0.49  % (2599873)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.15/0.49  % (2599873)CaDiCaL version: 2.1.3
% 0.15/0.49  % (2599873)Termination reason: Refutation
% 0.15/0.49  % (2599873)Time elapsed: 0.045 s
% 0.15/0.49  % (2599873)Peak memory usage: 14 MB
% 0.15/0.49  % (2599873)Instructions burned: 144 (million)
% 0.15/0.49  % (2599858)Success in time 0.082 s
% 0.15/0.49  % Vampire exiting
%------------------------------------------------------------------------------