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

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%------------------------------------------------------------------------------
% File     : Vampire-SAT---5.0.1
% Problem  : SET611^3 : TPTP v9.3.1. Released v3.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT

% Computer : n012.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 08:23:42 AM UTC 2026

% Result   : Theorem 0.07s 0.17s
% Output   : Refutation 0.07s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   85 (  17 unt;   0 typ;   4 def)
%            Number of atoms       :  476 ( 105 equ;   0 cnn)
%            Maximal formula atoms :    4 (   5 avg)
%            Number of connectives :  387 (  74   ~; 100   |;  38   &; 168   @)
%                                         (   6 <=>;   0  =>;   0  <=;   1 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   32 (  32   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   37 (  34 usr;   8 con; 0-4 aty)
%            Number of variables   :   87 (  14 sgn  14   !;   4   ?;  87   :)

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

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

thf(func_def_2,type,
    is_a: $i > ( $i > $o ) > $o ).

thf(func_def_3,type,
    emptyset: $i > $o ).

thf(func_def_4,type,
    unord_pair: $i > $i > $i > $o ).

thf(func_def_5,type,
    singleton: $i > $i > $o ).

thf(func_def_6,type,
    union: ( $i > $o ) > ( $i > $o ) > $i > $o ).

thf(func_def_7,type,
    excl_union: ( $i > $o ) > ( $i > $o ) > $i > $o ).

thf(func_def_8,type,
    intersection: ( $i > $o ) > ( $i > $o ) > $i > $o ).

thf(func_def_9,type,
    setminus: ( $i > $o ) > ( $i > $o ) > $i > $o ).

thf(func_def_10,type,
    complement: ( $i > $o ) > $i > $o ).

thf(func_def_11,type,
    disjoint: ( $i > $o ) > ( $i > $o ) > $o ).

thf(func_def_12,type,
    subset: ( $i > $o ) > ( $i > $o ) > $o ).

thf(func_def_13,type,
    meets: ( $i > $o ) > ( $i > $o ) > $o ).

thf(func_def_14,type,
    misses: ( $i > $o ) > ( $i > $o ) > $o ).

thf(func_def_15,type,
    db0: 
      !>[X0: $tType] : X0 ).

thf(func_def_16,type,
    db1: 
      !>[X0: $tType] : X0 ).

thf(func_def_17,type,
    vLAM: 
      !>[X0: $tType,X1: $tType] : ( X1 > X0 > X1 ) ).

thf(func_def_20,type,
    vOR: $o > $o > $o ).

thf(func_def_21,type,
    db2: 
      !>[X0: $tType] : X0 ).

thf(func_def_22,type,
    vEQ: 
      !>[X0: $tType] : ( X0 > X0 > $o ) ).

thf(func_def_23,type,
    vAND: $o > $o > $o ).

thf(func_def_24,type,
    vNOT: $o > $o ).

thf(func_def_25,type,
    vPI: 
      !>[X0: $tType] : ( ( X0 > $o ) > $o ) ).

thf(func_def_26,type,
    vIMP: $o > $o > $o ).

thf(func_def_27,type,
    vSIGMA: 
      !>[X0: $tType] : ( ( X0 > $o ) > $o ) ).

thf(func_def_28,type,
    sK0: $i > $o ).

thf(func_def_29,type,
    sK1: $i > $o ).

thf(f3,axiom,
    ( emptyset
    = ( ^ [X0: $i] : $false ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET008^0.ax',emptyset) ).

thf(f8,axiom,
    ( intersection
    = ( ^ [X0: $i > $o,X1: $i > $o,X2: $i] :
          ( ( X1 @ X2 )
          & ( X0 @ X2 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET008^0.ax',intersection) ).

thf(f9,axiom,
    ( setminus
    = ( ^ [X0: $i > $o,X1: $i > $o,X2: $i] :
          ( ~ ( X1 @ X2 )
          & ( X0 @ X2 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET008^0.ax',setminus) ).

thf(f15,conjecture,
    ! [X0: $i > $o,X1: $i > $o] :
      ( ( ( intersection @ X0 @ X1 )
        = emptyset )
    <=> ( ( setminus @ X0 @ X1 )
        = X0 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',thm) ).

thf(f16,negated_conjecture,
    ~ ! [X0: $i > $o,X1: $i > $o] :
        ( ( ( intersection @ X0 @ X1 )
          = emptyset )
      <=> ( ( setminus @ X0 @ X1 )
          = X0 ) ),
    inference(negated_conjecture,[status(cth)],[f15]) ).

thf(f19,plain,
    ( emptyset
    = ( ^ [Y0: $i] : $false ) ),
    inference(fool_elimination,[],[f3]) ).

thf(f26,plain,
    ( intersection
    = ( ^ [X0: $i > $o,X1: $i > $o,X2: $i] :
          ( ( X1 @ X2 )
          & ( X0 @ X2 ) ) ) ),
    inference(rectify,[],[f8]) ).

thf(f27,plain,
    ( intersection
    = ( ^ [Y0: $i > $o,Y1: $i > $o,Y2: $i] :
          ( ( Y0 @ Y2 )
          & ( Y1 @ Y2 ) ) ) ),
    inference(fool_elimination,[],[f26]) ).

thf(f28,plain,
    ( setminus
    = ( ^ [X0: $i > $o,X1: $i > $o,X2: $i] :
          ( ~ ( X1 @ X2 )
          & ( X0 @ X2 ) ) ) ),
    inference(rectify,[],[f9]) ).

thf(f29,plain,
    ( setminus
    = ( ^ [Y0: $i > $o,Y1: $i > $o,Y2: $i] :
          ( ( Y0 @ Y2 )
          & ~ ( Y1 @ Y2 ) ) ) ),
    inference(fool_elimination,[],[f28]) ).

thf(f39,plain,
    ? [X0: $i > $o,X1: $i > $o] :
      ( ( ( intersection @ X0 @ X1 )
        = emptyset )
    <~> ( ( setminus @ X0 @ X1 )
        = X0 ) ),
    inference(ennf_transformation,[],[f16]) ).

thf(f40,plain,
    ? [X0: $i > $o,X1: $i > $o] :
      ( ( ( ( setminus @ X0 @ X1 )
         != X0 )
        | ( emptyset
         != ( intersection @ X0 @ X1 ) ) )
      & ( ( ( setminus @ X0 @ X1 )
          = X0 )
        | ( ( intersection @ X0 @ X1 )
          = emptyset ) ) ),
    inference(nnf_transformation,[],[f39]) ).

thf(f41,plain,
    ( ( ( sK0
       != ( setminus @ sK0 @ sK1 ) )
      | ( emptyset
       != ( intersection @ sK0 @ sK1 ) ) )
    & ( ( sK0
        = ( setminus @ sK0 @ sK1 ) )
      | ( emptyset
        = ( intersection @ sK0 @ sK1 ) ) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1]),skolemize(X0,sK0),skolemize(X1,sK1)],[f40]) ).

thf(f44,plain,
    ( emptyset
    = ( ^ [Y0: $i] : $false ) ),
    inference(cnf_transformation,[],[f19]) ).

thf(f49,plain,
    ( intersection
    = ( ^ [Y0: $i > $o,Y1: $i > $o,Y2: $i] :
          ( ( Y0 @ Y2 )
          & ( Y1 @ Y2 ) ) ) ),
    inference(cnf_transformation,[],[f27]) ).

thf(f50,plain,
    ( setminus
    = ( ^ [Y0: $i > $o,Y1: $i > $o,Y2: $i] :
          ( ( Y0 @ Y2 )
          & ~ ( Y1 @ Y2 ) ) ) ),
    inference(cnf_transformation,[],[f29]) ).

thf(f56,plain,
    ( ( sK0
      = ( setminus @ sK0 @ sK1 ) )
    | ( emptyset
      = ( intersection @ sK0 @ sK1 ) ) ),
    inference(cnf_transformation,[],[f41]) ).

thf(f57,plain,
    ( ( sK0
     != ( setminus @ sK0 @ sK1 ) )
    | ( emptyset
     != ( intersection @ sK0 @ sK1 ) ) ),
    inference(cnf_transformation,[],[f41]) ).

thf(f61,plain,
    ( ( sK0
     != ( ^ [Y0: $i > $o,Y1: $i > $o,Y2: $i] :
            ( ( Y0 @ Y2 )
            & ~ ( Y1 @ Y2 ) )
        @ sK0
        @ sK1 ) )
    | ( ( ^ [Y0: $i] : $false )
     != ( ^ [Y0: $i > $o,Y1: $i > $o,Y2: $i] :
            ( ( Y0 @ Y2 )
            & ( Y1 @ Y2 ) )
        @ sK0
        @ sK1 ) ) ),
    inference(definition_unfolding,[],[f57,f50,f44,f49]) ).

thf(f62,plain,
    ( ( sK0
      = ( ^ [Y0: $i > $o,Y1: $i > $o,Y2: $i] :
            ( ( Y0 @ Y2 )
            & ~ ( Y1 @ Y2 ) )
        @ sK0
        @ sK1 ) )
    | ( ( ^ [Y0: $i] : $false )
      = ( ^ [Y0: $i > $o,Y1: $i > $o,Y2: $i] :
            ( ( Y0 @ Y2 )
            & ( Y1 @ Y2 ) )
        @ sK0
        @ sK1 ) ) ),
    inference(definition_unfolding,[],[f56,f50,f44,f49]) ).

thf(f63,plain,
    ( ( sK0
      = ( ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
            & ~ ( sK1 @ Y0 ) ) ) )
    | ( ( ^ [Y0: $i] : $false )
      = ( ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
            & ( sK1 @ Y0 ) ) ) ) ),
    inference(beta-eta_normalization,[],[f62]) ).

thf(f64,plain,
    ( ( sK0
     != ( ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
            & ~ ( sK1 @ Y0 ) ) ) )
    | ( ( ^ [Y0: $i] : $false )
     != ( ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
            & ( sK1 @ Y0 ) ) ) ) ),
    inference(beta-eta_normalization,[],[f61]) ).

thf(f66,definition,
    ( spl2_1
  <=> ( ( ^ [Y0: $i] : $false )
      = ( ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
            & ( sK1 @ Y0 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[spl2_1])],[avatar_definition]) ).

thf(f67,plain,
    ( ( ( ^ [Y0: $i] : $false )
     != ( ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
            & ( sK1 @ Y0 ) ) ) )
    | spl2_1 ),
    inference(avatar_component_clause,[],[f66]) ).

thf(f68,plain,
    ( ( ( ^ [Y0: $i] : $false )
      = ( ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
            & ( sK1 @ Y0 ) ) ) )
    | ~ spl2_1 ),
    inference(avatar_component_clause,[],[f66]) ).

thf(f70,definition,
    ( spl2_2
  <=> ( sK0
      = ( ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
            & ~ ( sK1 @ Y0 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[spl2_2])],[avatar_definition]) ).

thf(f71,plain,
    ( ( sK0
     != ( ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
            & ~ ( sK1 @ Y0 ) ) ) )
    | spl2_2 ),
    inference(avatar_component_clause,[],[f70]) ).

thf(f72,plain,
    ( ( sK0
      = ( ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
            & ~ ( sK1 @ Y0 ) ) ) )
    | ~ spl2_2 ),
    inference(avatar_component_clause,[],[f70]) ).

thf(f73,plain,
    ( spl2_1
    | spl2_2 ),
    inference(avatar_split_clause,[],[f63,f70,f66]) ).

thf(f74,plain,
    ( ~ spl2_1
    | ~ spl2_2 ),
    inference(avatar_split_clause,[],[f64,f70,f66]) ).

thf(f75,plain,
    ( ( ( ^ [Y0: $i] : $false
        @ sK3 )
     != ( ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
            & ( sK1 @ Y0 ) )
        @ sK3 ) )
    | spl2_1 ),
    inference(negative_extensionality,[],[f67]) ).

thf(f76,plain,
    ( ( $true
      = ( ^ [Y0: $i] : $false
        @ sK3 ) )
    | ( $true
      = ( ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
            & ( sK1 @ Y0 ) )
        @ sK3 ) )
    | spl2_1 ),
    inference(xor_proxy_clausification,[],[f75]) ).

thf(f80,plain,
    ( ( $false = $true )
    | ( $true
      = ( ( sK0 @ sK3 )
        & ( sK1 @ sK3 ) ) )
    | spl2_1 ),
    inference(beta-eta_normalization,[],[f76]) ).

thf(f81,plain,
    ( ( $false = $true )
    | ( $true
      = ( sK1 @ sK3 ) )
    | spl2_1 ),
    inference(and_proxy_clausification,[],[f80]) ).

thf(f82,plain,
    ( ( $false = $true )
    | ( $true
      = ( sK0 @ sK3 ) )
    | spl2_1 ),
    inference(and_proxy_clausification,[],[f80]) ).

thf(f83,plain,
    ( ( $true
      = ( sK0 @ sK3 ) )
    | spl2_1 ),
    inference(trivial_inequality_removal,[],[f82]) ).

thf(f84,plain,
    ( ( $true
      = ( sK1 @ sK3 ) )
    | spl2_1 ),
    inference(trivial_inequality_removal,[],[f81]) ).

thf(f85,plain,
    ( ! [X1: $i] :
        ( ( sK0 @ X1 )
        = ( ^ [Y0: $i] :
              ( ( sK0 @ Y0 )
              & ~ ( sK1 @ Y0 ) )
          @ X1 ) )
    | ~ spl2_2 ),
    inference(argument_congruence,[],[f72]) ).

thf(f87,plain,
    ( ! [X1: $i] :
        ( ( $false
          = ( sK0 @ X1 ) )
        | ( $true
          = ( ^ [Y0: $i] :
                ( ( sK0 @ Y0 )
                & ~ ( sK1 @ Y0 ) )
            @ X1 ) ) )
    | ~ spl2_2 ),
    inference(iff_proxy_clausification,[],[f85]) ).

thf(f88,plain,
    ( ! [X1: $i] :
        ( ( $false
          = ( sK0 @ X1 ) )
        | ( $true
          = ( ( sK0 @ X1 )
            & ~ ( sK1 @ X1 ) ) ) )
    | ~ spl2_2 ),
    inference(beta-eta_normalization,[],[f87]) ).

thf(f89,plain,
    ( ! [X1: $i] :
        ( ( $false
          = ( sK0 @ X1 ) )
        | ( $true
          = ( ~ ( sK1 @ X1 ) ) ) )
    | ~ spl2_2 ),
    inference(and_proxy_clausification,[],[f88]) ).

thf(f91,plain,
    ( ! [X1: $i] :
        ( ( $false
          = ( sK1 @ X1 ) )
        | ( $false
          = ( sK0 @ X1 ) ) )
    | ~ spl2_2 ),
    inference(not_proxy_clausification,[],[f89]) ).

thf(f104,plain,
    ( ( $false = $true )
    | ( $false
      = ( sK0 @ sK3 ) )
    | spl2_1
    | ~ spl2_2 ),
    inference(constrained_superposition,[],[f84,f91]) ).

thf(f105,plain,
    ( ( $false
      = ( sK0 @ sK3 ) )
    | spl2_1
    | ~ spl2_2 ),
    inference(trivial_inequality_removal,[],[f104]) ).

thf(f109,plain,
    ( ( $false = $true )
    | spl2_1
    | ~ spl2_2 ),
    inference(constrained_superposition,[],[f105,f83]) ).

thf(f113,plain,
    ( $false
    | spl2_1
    | ~ spl2_2 ),
    inference(trivial_inequality_removal,[],[f109]) ).

thf(f114,plain,
    ( spl2_1
    | ~ spl2_2 ),
    inference(avatar_contradiction_clause,[],[f113]) ).

thf(f116,plain,
    ( ! [X1: $i] :
        ( ( ^ [Y0: $i] : $false
          @ X1 )
        = ( ^ [Y0: $i] :
              ( ( sK0 @ Y0 )
              & ( sK1 @ Y0 ) )
          @ X1 ) )
    | ~ spl2_1 ),
    inference(argument_congruence,[],[f68]) ).

thf(f117,plain,
    ( ! [X1: $i] :
        ( ( $true
          = ( ^ [Y0: $i] : $false
            @ X1 ) )
        | ( $false
          = ( ^ [Y0: $i] :
                ( ( sK0 @ Y0 )
                & ( sK1 @ Y0 ) )
            @ X1 ) ) )
    | ~ spl2_1 ),
    inference(iff_proxy_clausification,[],[f116]) ).

thf(f122,plain,
    ( ! [X1: $i] :
        ( ( $false = $true )
        | ( $false
          = ( ( sK0 @ X1 )
            & ( sK1 @ X1 ) ) ) )
    | ~ spl2_1 ),
    inference(beta-eta_normalization,[],[f117]) ).

thf(f123,plain,
    ( ! [X1: $i] :
        ( ( $false = $true )
        | ( $false
          = ( sK1 @ X1 ) )
        | ( $false
          = ( sK0 @ X1 ) ) )
    | ~ spl2_1 ),
    inference(and_proxy_clausification,[],[f122]) ).

thf(f124,plain,
    ( ! [X1: $i] :
        ( ( $false
          = ( sK1 @ X1 ) )
        | ( $false
          = ( sK0 @ X1 ) ) )
    | ~ spl2_1 ),
    inference(trivial_inequality_removal,[],[f123]) ).

thf(f125,plain,
    ( ( ( sK0 @ sK4 )
     != ( ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
            & ~ ( sK1 @ Y0 ) )
        @ sK4 ) )
    | spl2_2 ),
    inference(negative_extensionality,[],[f71]) ).

thf(f126,plain,
    ( ( $true
      = ( sK0 @ sK4 ) )
    | ( $true
      = ( ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
            & ~ ( sK1 @ Y0 ) )
        @ sK4 ) )
    | spl2_2 ),
    inference(xor_proxy_clausification,[],[f125]) ).

thf(f127,plain,
    ( ( $false
      = ( sK0 @ sK4 ) )
    | ( $false
      = ( ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
            & ~ ( sK1 @ Y0 ) )
        @ sK4 ) )
    | spl2_2 ),
    inference(xor_proxy_clausification,[],[f125]) ).

thf(f128,plain,
    ( ( $false
      = ( sK0 @ sK4 ) )
    | ( $false
      = ( ( sK0 @ sK4 )
        & ~ ( sK1 @ sK4 ) ) )
    | spl2_2 ),
    inference(beta-eta_normalization,[],[f127]) ).

thf(f129,plain,
    ( ( $false
      = ( sK0 @ sK4 ) )
    | ( $false
      = ( ~ ( sK1 @ sK4 ) ) )
    | ( $false
      = ( sK0 @ sK4 ) )
    | spl2_2 ),
    inference(and_proxy_clausification,[],[f128]) ).

thf(f130,plain,
    ( ( $false
      = ( sK0 @ sK4 ) )
    | ( $true
      = ( sK1 @ sK4 ) )
    | ( $false
      = ( sK0 @ sK4 ) )
    | spl2_2 ),
    inference(not_proxy_clausification,[],[f129]) ).

thf(f131,plain,
    ( ( $false
      = ( sK0 @ sK4 ) )
    | ( $true
      = ( sK1 @ sK4 ) )
    | spl2_2 ),
    inference(duplicate_literal_removal,[],[f130]) ).

thf(f132,plain,
    ( ( $true
      = ( sK0 @ sK4 ) )
    | ( $true
      = ( ( sK0 @ sK4 )
        & ~ ( sK1 @ sK4 ) ) )
    | spl2_2 ),
    inference(beta-eta_normalization,[],[f126]) ).

thf(f134,plain,
    ( ( $true
      = ( sK0 @ sK4 ) )
    | ( $true
      = ( sK0 @ sK4 ) )
    | spl2_2 ),
    inference(and_proxy_clausification,[],[f132]) ).

thf(f135,plain,
    ( ( $true
      = ( sK0 @ sK4 ) )
    | spl2_2 ),
    inference(duplicate_literal_removal,[],[f134]) ).

thf(f138,definition,
    ( spl2_3
  <=> ( $true
      = ( sK1 @ sK4 ) ) ),
    introduced(definition,[new_symbols(definition,[spl2_3])],[avatar_definition]) ).

thf(f140,plain,
    ( ( $true
      = ( sK1 @ sK4 ) )
    | ~ spl2_3 ),
    inference(avatar_component_clause,[],[f138]) ).

thf(f142,definition,
    ( spl2_4
  <=> ( $false
      = ( sK0 @ sK4 ) ) ),
    introduced(definition,[new_symbols(definition,[spl2_4])],[avatar_definition]) ).

thf(f144,plain,
    ( ( $false
      = ( sK0 @ sK4 ) )
    | ~ spl2_4 ),
    inference(avatar_component_clause,[],[f142]) ).

thf(f145,plain,
    ( spl2_3
    | spl2_4
    | spl2_2 ),
    inference(avatar_split_clause,[],[f131,f70,f142,f138]) ).

thf(f150,plain,
    ( ( $false = $true )
    | spl2_2
    | ~ spl2_4 ),
    inference(constrained_superposition,[],[f135,f144]) ).

thf(f154,plain,
    ( $false
    | spl2_2
    | ~ spl2_4 ),
    inference(trivial_inequality_removal,[],[f150]) ).

thf(f155,plain,
    ( spl2_2
    | ~ spl2_4 ),
    inference(avatar_contradiction_clause,[],[f154]) ).

thf(f158,plain,
    ( ( $false = $true )
    | ( $false
      = ( sK0 @ sK4 ) )
    | ~ spl2_1
    | ~ spl2_3 ),
    inference(constrained_superposition,[],[f124,f140]) ).

thf(f159,plain,
    ( ( $false
      = ( sK0 @ sK4 ) )
    | ~ spl2_1
    | ~ spl2_3 ),
    inference(trivial_inequality_removal,[],[f158]) ).

thf(f161,plain,
    ( spl2_4
    | ~ spl2_1
    | ~ spl2_3 ),
    inference(avatar_split_clause,[],[f159,f138,f66,f142]) ).

cnf(s1,plain,
    ( spl2_1
    | spl2_2 ),
    inference(sat_conversion,[],[f73]) ).

cnf(s2,plain,
    ( ~ spl2_1
    | ~ spl2_2 ),
    inference(sat_conversion,[],[f74]) ).

cnf(s4,plain,
    ( spl2_1
    | ~ spl2_2 ),
    inference(sat_conversion,[],[f114]) ).

cnf(s5,plain,
    ( spl2_2
    | spl2_3
    | spl2_4 ),
    inference(sat_conversion,[],[f145]) ).

cnf(s7,plain,
    ( spl2_2
    | ~ spl2_4 ),
    inference(sat_conversion,[],[f155]) ).

cnf(s8,plain,
    ( ~ spl2_1
    | ~ spl2_3
    | spl2_4 ),
    inference(sat_conversion,[],[f161]) ).

cnf(s10,plain,
    spl2_1,
    inference(rat,[],[s1,s4]) ).

cnf(s11,plain,
    ~ spl2_2,
    inference(rat,[],[s2,s10]) ).

cnf(s12,plain,
    ~ spl2_4,
    inference(rat,[],[s7,s11]) ).

cnf(s13,plain,
    spl2_3,
    inference(rat,[],[s5,s11,s12]) ).

cnf(s14,plain,
    $false,
    inference(rat,[],[s8,s10,s12,s13]) ).

thf(f162,plain,
    $false,
    inference(avatar_sat_refutation,[],[s14]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01  % Problem  : SET611^3 : TPTP v9.3.1. Released v3.6.0.
% 0.00/0.03  % Command  : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.00/0.11  % Computer : n012.cluster.edu
% 0.00/0.11  % Model    : x86_64 x86_64
% 0.00/0.11  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.00/0.11  % Memory   : 8046.5625MB
% 0.00/0.11  % OS       : Linux 6.8.0-71-generic
% 0.00/0.11  % CPULimit : 300
% 0.00/0.11  % WCLimit  : 300
% 0.00/0.11  % DateTime : Tue Sep 29 13:38:49 UTC 2026
% 0.07/0.11  % CPUTime  : 
% 0.07/0.11  Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.07/0.13  Running first-order model finding
% 0.07/0.13  Running: /export/starexec/sandbox2/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc --intent sat -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.07/0.17  % (112626)Will run a generic schedule for satisfiability detection.
% 0.07/0.17  % (112632)% WARNING: option uhcvi not known.
% 0.07/0.17  % (112632)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=4066281991:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.07/0.17  % (112636)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=3662551227:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.07/0.17  % (112634)dis+10_1_sil=32000:sp=arity:random_seed=2090513341:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.07/0.17  % (112635)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=867462417:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.07/0.17  % (112631)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=242334276_2999 on theBenchmark for (2999ds/0Mi)
% 0.07/0.17  % (112632)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.07/0.17  % (112635)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.07/0.17  % (112632)WARNING: Look ahead literal selection is not currently compatible with higher-order. Ignoring request to use
% 0.07/0.17  % Exception at run slice level
% 0.07/0.17  User error: Finite model building is currently not compatible with polymorphism or higher-order constructs
% 0.07/0.17  % (112636) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-112626-112636"...
% 0.07/0.17  % (112635) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-112626-112635"...
% 0.07/0.17  % (112634) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-112626-112634"...
% 0.07/0.17  % (112632) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-112626-112632"...
% 0.07/0.17  % (112636)...printing done.
% 0.07/0.17  % (112635)...printing done.
% 0.07/0.17  % (112634)...printing done.
% 0.07/0.17  % (112632)...printing done.
% 0.07/0.17  % (112636)Refutation found. Thanks to Tanya!
% 0.07/0.17  % SZS status Theorem for theBenchmark
% 0.07/0.17  % SZS output start Proof for theBenchmark
% See solution above
% 0.07/0.17  % (112636)------------------------------
% 0.07/0.17  % (112636)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.07/0.17  % (112636)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.07/0.17  % (112636)CaDiCaL version: 2.1.3
% 0.07/0.17  % (112636)Termination reason: Refutation
% 0.07/0.17  % (112636)Time elapsed: 0.003 s
% 0.07/0.17  % (112636)Peak memory usage: 12 MB
% 0.07/0.17  % (112636)Instructions burned: 8 (million)
% 0.07/0.17  % (112626)Success in time 0.033 s
% 0.07/0.17  % Vampire exiting
%------------------------------------------------------------------------------