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

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%------------------------------------------------------------------------------
% File     : Vampire-SAT---5.0.1
% Problem  : SEU506^1 : TPTP v9.3.1. Released v3.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT

% Computer : n017.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 : Wed Sep 30 08:32:13 AM UTC 2026

% Result   : Theorem 0.20s 0.33s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   28
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   48 (  27 unt;   0 typ;   1 def)
%            Number of atoms       :  631 ( 189 equ;   0 cnn)
%            Maximal formula atoms :   24 (  13 avg)
%            Number of connectives :  427 (  32   ~;  15   |;  69   &; 165   @)
%                                         (   3 <=>; 124  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   30 (   7 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   75 (  71 usr;  28 con; 0-4 aty)
%                                         (  19  !!;   0  ??;   0 @@+;   0 @@-)
%            Number of variables   :   73 (   0 sgn  47   !;   2   ?;  73   :)

% Comments : 
%------------------------------------------------------------------------------
thf(type_def_5,type,
    sTfun: ( $tType * $tType ) > $tType ).

thf(func_def_0,type,
    in: $i > $i > $o ).

thf(func_def_1,type,
    exu: ( $i > $o ) > $o ).

thf(func_def_3,type,
    setextAx: $o ).

thf(func_def_5,type,
    emptysetAx: $o ).

thf(func_def_6,type,
    setadjoin: $i > $i > $i ).

thf(func_def_7,type,
    setadjoinAx: $o ).

thf(func_def_8,type,
    powerset: $i > $i ).

thf(func_def_9,type,
    powersetAx: $o ).

thf(func_def_10,type,
    setunion: $i > $i ).

thf(func_def_11,type,
    setunionAx: $o ).

thf(func_def_13,type,
    omega0Ax: $o ).

thf(func_def_14,type,
    omegaSAx: $o ).

thf(func_def_15,type,
    omegaIndAx: $o ).

thf(func_def_16,type,
    replAx: $o ).

thf(func_def_17,type,
    foundationAx: $o ).

thf(func_def_18,type,
    wellorderingAx: $o ).

thf(func_def_19,type,
    descr: ( $i > $o ) > $i ).

thf(func_def_20,type,
    descrp: $o ).

thf(func_def_21,type,
    dsetconstr: $i > ( $i > $o ) > $i ).

thf(func_def_22,type,
    dsetconstrI: $o ).

thf(func_def_23,type,
    dsetconstrEL: $o ).

thf(func_def_24,type,
    dsetconstrER: $o ).

thf(func_def_25,type,
    exuE1: $o ).

thf(func_def_26,type,
    prop2set: $o > $i ).

thf(func_def_27,type,
    prop2setE: $o ).

thf(func_def_28,type,
    emptysetE: $o ).

thf(func_def_29,type,
    emptysetimpfalse: $o ).

thf(func_def_30,type,
    notinemptyset: $o ).

thf(func_def_31,type,
    exuE3e: $o ).

thf(func_def_32,type,
    setext: $o ).

thf(func_def_33,type,
    vSIGMA: 
      !>[X0: $tType] : ( ( X0 > $o ) > $o ) ).

thf(func_def_34,type,
    vAND: $o > $o > $o ).

thf(func_def_35,type,
    db1: 
      !>[X0: $tType] : X0 ).

thf(func_def_36,type,
    db0: 
      !>[X0: $tType] : X0 ).

thf(func_def_37,type,
    vPI: 
      !>[X0: $tType] : ( ( X0 > $o ) > $o ) ).

thf(func_def_38,type,
    vIMP: $o > $o > $o ).

thf(func_def_39,type,
    db2: 
      !>[X0: $tType] : X0 ).

thf(func_def_40,type,
    vEQ: 
      !>[X0: $tType] : ( X0 > X0 > $o ) ).

thf(func_def_41,type,
    vLAM: 
      !>[X0: $tType,X1: $tType] : ( X1 > X0 > X1 ) ).

thf(func_def_42,type,
    vIFF: $o > $o > $o ).

thf(func_def_43,type,
    vNOT: $o > $o ).

thf(func_def_44,type,
    vOR: $o > $o > $o ).

thf(func_def_45,type,
    db4: 
      !>[X0: $tType] : X0 ).

thf(func_def_46,type,
    db3: 
      !>[X0: $tType] : X0 ).

thf(func_def_50,type,
    sK1: $i > $i > $i ).

thf(func_def_51,type,
    sK2: $i > $i > $i ).

thf(func_def_52,type,
    sK3: ( $i > $o ) > $i ).

thf(func_def_53,type,
    sK4: ( $i > $o ) > $i > $i ).

thf(func_def_54,type,
    sK5: ( $i > $o ) > $i ).

thf(func_def_55,type,
    sK6: ( $i > $o ) > $i > $i ).

thf(func_def_56,type,
    sK7: ( $i > $o ) > $i > $i ).

thf(func_def_57,type,
    sK8: $i > $i ).

thf(func_def_58,type,
    sK9: $i > $i > $i > $i ).

thf(func_def_59,type,
    sK10: $i > $i > $i ).

thf(func_def_60,type,
    sK11: $i > $i > $i ).

thf(func_def_61,type,
    sK12: $i > $i > $i ).

thf(func_def_62,type,
    sK13: $i > $i ).

thf(func_def_63,type,
    sK14: $i > ( $i > $i > $o ) > $i ).

thf(func_def_64,type,
    sK15: $i > ( $i > $i > $o ) > $i ).

thf(func_def_65,type,
    sK16: $i > $i > ( $i > $i > $o ) > $i ).

thf(func_def_66,type,
    sK17: $i > $i > ( $i > $i > $o ) > $i ).

thf(func_def_67,type,
    sK18: $i > $i > ( $i > $i > $o ) > $i ).

thf(func_def_68,type,
    sK19: $i > $i > ( $i > $i > $o ) > $i ).

thf(func_def_69,type,
    sK20: $i > $i ).

thf(func_def_70,type,
    sK21: $i > $i > $i ).

thf(func_def_71,type,
    sK22: $i > $i > $i ).

thf(func_def_72,type,
    sK23: $i > $i > $i ).

thf(f2,axiom,
    ( setextAx
    = ( ! [X0: $i,X1: $i] :
          ( ! [X2: $i] :
              ( ( in @ X2 @ X0 )
            <=> ( in @ X2 @ X1 ) )
         => ( X0 = X1 ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',setextAx) ).

thf(f3,axiom,
    ( emptysetAx
    = ( ! [X0: $i] :
          ~ ( in @ X0 @ emptyset ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',emptysetAx) ).

thf(f25,conjecture,
    ( setextAx
   => ( emptysetAx
     => ( setadjoinAx
       => ( powersetAx
         => ( setunionAx
           => ( omega0Ax
             => ( omegaSAx
               => ( omegaIndAx
                 => ( replAx
                   => ( foundationAx
                     => ( wellorderingAx
                       => ( descrp
                         => ( dsetconstrI
                           => ( dsetconstrEL
                             => ( dsetconstrER
                               => ( exuE1
                                 => ( prop2setE
                                   => ( emptysetE
                                     => ( emptysetimpfalse
                                       => ( notinemptyset
                                         => ( exuE3e
                                           => ( setext
                                             => ! [X0: $i] :
                                                  ( ! [X1: $i] :
                                                      ~ ( in @ X1 @ X0 )
                                                 => ( X0 = emptyset ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',emptyI) ).

thf(f26,negated_conjecture,
    ~ ( setextAx
     => ( emptysetAx
       => ( setadjoinAx
         => ( powersetAx
           => ( setunionAx
             => ( omega0Ax
               => ( omegaSAx
                 => ( omegaIndAx
                   => ( replAx
                     => ( foundationAx
                       => ( wellorderingAx
                         => ( descrp
                           => ( dsetconstrI
                             => ( dsetconstrEL
                               => ( dsetconstrER
                                 => ( exuE1
                                   => ( prop2setE
                                     => ( emptysetE
                                       => ( emptysetimpfalse
                                         => ( notinemptyset
                                           => ( exuE3e
                                             => ( setext
                                               => ! [X0: $i] :
                                                    ( ! [X1: $i] :
                                                        ~ ( in @ X1 @ X0 )
                                                   => ( X0 = emptyset ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f25]) ).

thf(f29,plain,
    ( setextAx
    = ( ! [X0: $i,X1: $i] :
          ( ! [X2: $i] :
              ( ( in @ X2 @ X0 )
            <=> ( in @ X2 @ X1 ) )
         => ( X0 = X1 ) ) ) ),
    inference(rectify,[],[f2]) ).

thf(f30,plain,
    ( setextAx
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y2 @ Y1 )
                    = ( in @ Y2 @ Y0 ) ) )
             => ( Y1 = Y0 ) ) ) ) ),
    inference(fool_elimination,[],[f29]) ).

thf(f31,plain,
    ( emptysetAx
    = ( ! [X0: $i] :
          ~ ( in @ X0 @ emptyset ) ) ),
    inference(rectify,[],[f3]) ).

thf(f32,plain,
    ( emptysetAx
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ~ ( in @ Y0 @ emptyset ) ) ),
    inference(fool_elimination,[],[f31]) ).

thf(f73,plain,
    ~ ( setextAx
     => ( emptysetAx
       => ( setadjoinAx
         => ( powersetAx
           => ( setunionAx
             => ( omega0Ax
               => ( omegaSAx
                 => ( omegaIndAx
                   => ( replAx
                     => ( foundationAx
                       => ( wellorderingAx
                         => ( descrp
                           => ( dsetconstrI
                             => ( dsetconstrEL
                               => ( dsetconstrER
                                 => ( exuE1
                                   => ( prop2setE
                                     => ( emptysetE
                                       => ( emptysetimpfalse
                                         => ( notinemptyset
                                           => ( exuE3e
                                             => ( setext
                                               => ! [X0: $i] :
                                                    ( ! [X1: $i] :
                                                        ~ ( in @ X1 @ X0 )
                                                   => ( X0 = emptyset ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(rectify,[],[f26]) ).

thf(f74,plain,
    ~ ( ( setextAx = $true )
     => ( ( emptysetAx = $true )
       => ( ( setadjoinAx = $true )
         => ( ( powersetAx = $true )
           => ( ( setunionAx = $true )
             => ( ( omega0Ax = $true )
               => ( ( omegaSAx = $true )
                 => ( ( omegaIndAx = $true )
                   => ( ( replAx = $true )
                     => ( ( foundationAx = $true )
                       => ( ( wellorderingAx = $true )
                         => ( ( descrp = $true )
                           => ( ( dsetconstrI = $true )
                             => ( ( dsetconstrEL = $true )
                               => ( ( dsetconstrER = $true )
                                 => ( ( exuE1 = $true )
                                   => ( ( prop2setE = $true )
                                     => ( ( emptysetE = $true )
                                       => ( ( emptysetimpfalse = $true )
                                         => ( ( notinemptyset = $true )
                                           => ( ( exuE3e = $true )
                                             => ( ( setext = $true )
                                               => ! [X0: $i] :
                                                    ( ! [X1: $i] :
                                                        ( ( in @ X1 @ X0 )
                                                       != $true )
                                                   => ( emptyset = X0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(fool_elimination,[],[f73]) ).

thf(f75,plain,
    ~ ( ( setextAx = $true )
     => ( ( emptysetAx = $true )
       => ( ( setadjoinAx = $true )
         => ( ( powersetAx = $true )
           => ( ( setunionAx = $true )
             => ( ( omega0Ax = $true )
               => ( ( omegaSAx = $true )
                 => ( ( omegaIndAx = $true )
                   => ( ( replAx = $true )
                     => ( ( foundationAx = $true )
                       => ( ( wellorderingAx = $true )
                         => ( ( descrp = $true )
                           => ( ( dsetconstrI = $true )
                             => ( ( dsetconstrEL = $true )
                               => ( ( dsetconstrER = $true )
                                 => ( ( exuE1 = $true )
                                   => ( ( prop2setE = $true )
                                     => ( ( emptysetE = $true )
                                       => ( ( emptysetimpfalse = $true )
                                         => ( ( notinemptyset = $true )
                                           => ( ( exuE3e = $true )
                                             => ( ( setext = $true )
                                               => ! [X0: $i] :
                                                    ( ! [X1: $i] :
                                                        ( ( in @ X1 @ X0 )
                                                       != $true )
                                                   => ( emptyset = X0 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(flattening,[],[f74]) ).

thf(f76,plain,
    ( ? [X0: $i] :
        ( ( emptyset != X0 )
        & ! [X1: $i] :
            ( ( in @ X1 @ X0 )
           != $true ) )
    & ( setext = $true )
    & ( exuE3e = $true )
    & ( notinemptyset = $true )
    & ( emptysetimpfalse = $true )
    & ( emptysetE = $true )
    & ( prop2setE = $true )
    & ( exuE1 = $true )
    & ( dsetconstrER = $true )
    & ( dsetconstrEL = $true )
    & ( dsetconstrI = $true )
    & ( descrp = $true )
    & ( wellorderingAx = $true )
    & ( foundationAx = $true )
    & ( replAx = $true )
    & ( omegaIndAx = $true )
    & ( omegaSAx = $true )
    & ( omega0Ax = $true )
    & ( setunionAx = $true )
    & ( powersetAx = $true )
    & ( setadjoinAx = $true )
    & ( emptysetAx = $true )
    & ( setextAx = $true ) ),
    inference(ennf_transformation,[],[f75]) ).

thf(f77,plain,
    ( ? [X0: $i] :
        ( ( emptyset != X0 )
        & ! [X1: $i] :
            ( ( in @ X1 @ X0 )
           != $true ) )
    & ( setext = $true )
    & ( exuE3e = $true )
    & ( notinemptyset = $true )
    & ( emptysetimpfalse = $true )
    & ( emptysetE = $true )
    & ( prop2setE = $true )
    & ( exuE1 = $true )
    & ( dsetconstrER = $true )
    & ( dsetconstrEL = $true )
    & ( dsetconstrI = $true )
    & ( descrp = $true )
    & ( wellorderingAx = $true )
    & ( foundationAx = $true )
    & ( replAx = $true )
    & ( omegaIndAx = $true )
    & ( omegaSAx = $true )
    & ( omega0Ax = $true )
    & ( setunionAx = $true )
    & ( powersetAx = $true )
    & ( setadjoinAx = $true )
    & ( emptysetAx = $true )
    & ( setextAx = $true ) ),
    inference(flattening,[],[f76]) ).

thf(f78,plain,
    ( ( emptyset != sK0 )
    & ! [X1: $i] :
        ( $true
       != ( in @ X1 @ sK0 ) )
    & ( setext = $true )
    & ( exuE3e = $true )
    & ( notinemptyset = $true )
    & ( emptysetimpfalse = $true )
    & ( emptysetE = $true )
    & ( prop2setE = $true )
    & ( exuE1 = $true )
    & ( dsetconstrER = $true )
    & ( dsetconstrEL = $true )
    & ( dsetconstrI = $true )
    & ( descrp = $true )
    & ( wellorderingAx = $true )
    & ( foundationAx = $true )
    & ( replAx = $true )
    & ( omegaIndAx = $true )
    & ( omegaSAx = $true )
    & ( omega0Ax = $true )
    & ( setunionAx = $true )
    & ( powersetAx = $true )
    & ( setadjoinAx = $true )
    & ( emptysetAx = $true )
    & ( setextAx = $true ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK0]),skolemize(X0,sK0)],[f77]) ).

thf(f80,plain,
    ( setextAx
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y2 @ Y1 )
                    = ( in @ Y2 @ Y0 ) ) )
             => ( Y1 = Y0 ) ) ) ) ),
    inference(cnf_transformation,[],[f30]) ).

thf(f81,plain,
    ( emptysetAx
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ~ ( in @ Y0 @ emptyset ) ) ),
    inference(cnf_transformation,[],[f32]) ).

thf(f103,plain,
    setextAx = $true,
    inference(cnf_transformation,[],[f78]) ).

thf(f104,plain,
    emptysetAx = $true,
    inference(cnf_transformation,[],[f78]) ).

thf(f125,plain,
    ! [X1: $i] :
      ( $true
     != ( in @ X1 @ sK0 ) ),
    inference(cnf_transformation,[],[f78]) ).

thf(f126,plain,
    emptyset != sK0,
    inference(cnf_transformation,[],[f78]) ).

thf(f129,plain,
    ( ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y2 @ Y1 )
                    = ( in @ Y2 @ Y0 ) ) )
             => ( Y1 = Y0 ) ) ) )
    = $true ),
    inference(definition_unfolding,[],[f80,f103]) ).

thf(f130,plain,
    ( ( !! @ $i
      @ ^ [Y0: $i] :
          ~ ( in @ Y0 @ emptyset ) )
    = $true ),
    inference(definition_unfolding,[],[f81,f104]) ).

thf(f464,plain,
    ! [X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ~ ( in @ Y0 @ emptyset )
        @ X1 ) ),
    inference(pi_proxy_clausification,[],[f130]) ).

thf(f465,plain,
    ! [X1: $i] :
      ( $true
      = ( ~ ( in @ X1 @ emptyset ) ) ),
    inference(beta-eta_normalization,[],[f464]) ).

thf(f466,plain,
    ! [X1: $i] :
      ( $false
      = ( in @ X1 @ emptyset ) ),
    inference(not_proxy_clausification,[],[f465]) ).

thf(f467,plain,
    ! [X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( !! @ $i
                  @ ^ [Y2: $i] :
                      ( ( in @ Y2 @ Y1 )
                      = ( in @ Y2 @ Y0 ) ) )
               => ( Y1 = Y0 ) ) )
        @ X1 ) ),
    inference(pi_proxy_clausification,[],[f129]) ).

thf(f468,plain,
    ! [X1: $i] :
      ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ Y0 )
                  = ( in @ Y1 @ X1 ) ) )
           => ( Y0 = X1 ) ) ) ),
    inference(beta-eta_normalization,[],[f467]) ).

thf(f469,plain,
    ! [X2: $i,X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ Y0 )
                  = ( in @ Y1 @ X1 ) ) )
           => ( Y0 = X1 ) )
        @ X2 ) ),
    inference(pi_proxy_clausification,[],[f468]) ).

thf(f470,plain,
    ! [X2: $i,X1: $i] :
      ( $true
      = ( ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
              = ( in @ Y0 @ X1 ) ) )
       => ( X2 = X1 ) ) ),
    inference(beta-eta_normalization,[],[f469]) ).

thf(f471,plain,
    ! [X2: $i,X1: $i] :
      ( ( $false
        = ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
              = ( in @ Y0 @ X1 ) ) ) )
      | ( $true
        = ( X2 = X1 ) ) ),
    inference(imp_proxy_clausification,[],[f470]) ).

thf(f472,plain,
    ! [X2: $i,X1: $i] :
      ( ( $false
        = ( ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
              = ( in @ Y0 @ X1 ) )
          @ ( sK23 @ X1 @ X2 ) ) )
      | ( $true
        = ( X2 = X1 ) ) ),
    inference(sigma_proxy_clausification,[],[f471]) ).

thf(f473,plain,
    ! [X2: $i,X1: $i] :
      ( ( $false
        = ( ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
              = ( in @ Y0 @ X1 ) )
          @ ( sK23 @ X1 @ X2 ) ) )
      | ( X1 = X2 ) ),
    inference(equality_proxy_clausification,[],[f472]) ).

thf(f474,plain,
    ! [X2: $i,X1: $i] :
      ( ( $false
        = ( ( in @ ( sK23 @ X1 @ X2 ) @ X2 )
          = ( in @ ( sK23 @ X1 @ X2 ) @ X1 ) ) )
      | ( X1 = X2 ) ),
    inference(beta-eta_normalization,[],[f473]) ).

thf(f475,plain,
    ! [X2: $i,X1: $i] :
      ( ( ( in @ ( sK23 @ X1 @ X2 ) @ X2 )
       != ( in @ ( sK23 @ X1 @ X2 ) @ X1 ) )
      | ( X1 = X2 ) ),
    inference(iff_proxy_clausification,[],[f474]) ).

thf(f476,plain,
    ! [X2: $i,X1: $i] :
      ( ( $true
        = ( in @ ( sK23 @ X1 @ X2 ) @ X2 ) )
      | ( $true
        = ( in @ ( sK23 @ X1 @ X2 ) @ X1 ) )
      | ( X1 = X2 ) ),
    inference(xor_proxy_clausification,[],[f475]) ).

thf(f482,definition,
    ( spl24_2
  <=> ! [X1: $i] :
        ( $false
        = ( in @ X1 @ emptyset ) ) ),
    introduced(definition,[new_symbols(definition,[spl24_2])],[avatar_definition]) ).

thf(f483,plain,
    ( ! [X1: $i] :
        ( $false
        = ( in @ X1 @ emptyset ) )
    | ~ spl24_2 ),
    inference(avatar_component_clause,[],[f482]) ).

thf(f485,plain,
    spl24_2,
    inference(avatar_split_clause,[],[f466,f482]) ).

thf(f1046,plain,
    ! [X0: $i] :
      ( ( $true != $true )
      | ( $true
        = ( in @ ( sK23 @ sK0 @ X0 ) @ X0 ) )
      | ( sK0 = X0 ) ),
    inference(constrained_superposition,[],[f125,f476]) ).

thf(f1049,plain,
    ! [X0: $i] :
      ( ( $true
        = ( in @ ( sK23 @ sK0 @ X0 ) @ X0 ) )
      | ( sK0 = X0 ) ),
    inference(trivial_inequality_removal,[],[f1046]) ).

thf(f1195,plain,
    ( ( $false = $true )
    | ( emptyset = sK0 )
    | ~ spl24_2 ),
    inference(constrained_superposition,[],[f1049,f483]) ).

thf(f1228,plain,
    ( ( emptyset = sK0 )
    | ~ spl24_2 ),
    inference(trivial_inequality_removal,[],[f1195]) ).

thf(f1243,plain,
    ( $false
    | ~ spl24_2 ),
    inference(forward_subsumption_resolution,[],[f1228,f126]) ).

thf(f1244,plain,
    ~ spl24_2,
    inference(avatar_contradiction_clause,[],[f1243]) ).

cnf(s2,plain,
    spl24_2,
    inference(sat_conversion,[],[f485]) ).

cnf(s9,plain,
    ~ spl24_2,
    inference(sat_conversion,[],[f1244]) ).

cnf(s10,plain,
    $false,
    inference(rat,[],[s2,s9]) ).

thf(f1245,plain,
    $false,
    inference(avatar_sat_refutation,[],[s10]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SEU506^1 : TPTP v9.3.1. Released v3.7.0.
% 0.00/0.05  % Command  : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.09/0.18  % Computer : n017.cluster.edu
% 0.09/0.18  % Model    : x86_64 x86_64
% 0.09/0.18  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.18  % Memory   : 8046.5625MB
% 0.09/0.18  % OS       : Linux 6.8.0-71-generic
% 0.09/0.18  % CPULimit : 300
% 0.09/0.18  % WCLimit  : 300
% 0.09/0.18  % DateTime : Tue Sep 29 13:42:22 UTC 2026
% 0.09/0.19  % CPUTime  : 
% 0.09/0.19  Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.09/0.22  Running first-order model finding
% 0.09/0.22  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
% 0.20/0.33  % (357118)Will run a generic schedule for satisfiability detection.
% 0.20/0.33  % (357126)dis+10_1_sil=32000:sp=arity:random_seed=2945142719:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.20/0.33  % (357124)% WARNING: option uhcvi not known.
% 0.20/0.33  % (357125)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=2278386881:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.20/0.33  % (357123)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=987092090_2999 on theBenchmark for (2999ds/0Mi)
% 0.20/0.33  % (357124)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=1224172948:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.20/0.33  % (357127)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=3692656759:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.20/0.33  % (357124)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.20/0.33  % (357127)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.20/0.33  % (357128)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=2611348933:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.20/0.33  % Exception at run slice level
% 0.20/0.33  User error: Finite model building is currently not compatible with polymorphism or higher-order constructs
% 0.20/0.33  % (357124)WARNING: Look ahead literal selection is not currently compatible with higher-order. Ignoring request to use
% 0.20/0.33  % (357129)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=2248770343:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.20/0.33  % (357126)Instruction limit reached! 
% 0.20/0.33  % (357126)------------------------------
% 0.20/0.33  % (357126)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.20/0.33  % (357126)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.20/0.33  % (357126)CaDiCaL version: 2.1.3
% 0.20/0.33  % (357126)Termination reason: Instruction limit
% 0.20/0.33  % (357126)Time elapsed: 0.028 s
% 0.20/0.33  % (357126)Peak memory usage: 13 MB
% 0.20/0.33  % (357126)Instructions burned: 105 (million)
% 0.20/0.33  % (357137)fmb+10_1_fmbas=predicate:sil=64000:sas=cadical:random_seed=3076610580:i=714:nm=2_2999 on theBenchmark for (2999ds/714Mi)
% 0.20/0.33  % Exception at run slice level
% 0.20/0.33  User error: Finite model building is currently not compatible with polymorphism or higher-order constructs
% 0.20/0.33  % (357138)ott+32_1_sil=16000:bsd=on:sp=const_max:bce=on:random_seed=766575448:i=131:bd=preordered:fsd=on_2999 on theBenchmark for (2999ds/131Mi)
% 0.20/0.33  % (357140)dis+11_32_anc=none:slsqr=2,1:sil=64000:sas=cadical:lma=off:lsd=50:s2agt=8:slsqc=1:kmz=on:newcnf=on:slsq=on:random_seed=367771137:i=684:slsql=off:bs=unit_only:nicw=on:rawr=on_2999 on theBenchmark for (2999ds/684Mi)
% 0.20/0.33  % (357140)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.20/0.33  % (357140)WARNING: Look ahead literal selection is not currently compatible with higher-order. Ignoring request to use
% 0.20/0.33  % (357124) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-357118-357124"...
% 0.20/0.33  % (357127)Instruction limit reached! 
% 0.20/0.33  % (357127)------------------------------
% 0.20/0.33  % (357127)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.20/0.33  % (357127)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.20/0.33  % (357127)CaDiCaL version: 2.1.3
% 0.20/0.33  % (357127)Termination reason: Instruction limit
% 0.20/0.33  % (357127)Termination phase: Saturation
% 0.20/0.33  % (357127)Time elapsed: 0.058 s
% 0.20/0.33  % (357127)Peak memory usage: 13 MB
% 0.20/0.33  % (357127)Instructions burned: 118 (million)
% 0.20/0.33  % (357124)...printing done.
% 0.20/0.33  % (357124)Refutation found. Thanks to Tanya!
% 0.20/0.33  % SZS status Theorem for theBenchmark
% 0.20/0.33  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.34  % (357124)------------------------------
% 0.20/0.34  % (357124)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.20/0.34  % (357124)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.20/0.34  % (357124)CaDiCaL version: 2.1.3
% 0.20/0.34  % (357124)Termination reason: Refutation
% 0.20/0.34  % (357124)Time elapsed: 0.058 s
% 0.20/0.34  % (357124)Peak memory usage: 14 MB
% 0.20/0.34  % (357124)Instructions burned: 116 (million)
% 0.20/0.34  % (357118)Success in time 0.106 s
% 0.20/0.34  % Vampire exiting
%------------------------------------------------------------------------------