TSTP Solution File: PUZ028-5 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : PUZ028-5 : TPTP v8.1.0. Released v2.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s

% Computer : n018.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Aug 31 18:11:35 EDT 2022

% Result   : Unsatisfiable 0.19s 0.51s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   45
% Syntax   : Number of formulae    :  280 (  22 unt;   0 def)
%            Number of atoms       :  748 (   0 equ)
%            Maximal formula atoms :    5 (   2 avg)
%            Number of connectives :  948 ( 480   ~; 438   |;   0   &)
%                                         (  30 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   3 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :   35 (  34 usr;  31 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   6 con; 0-0 aty)
%            Number of variables   :   40 (  40   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f527,plain,
    $false,
    inference(avatar_sat_refutation,[],[f39,f50,f61,f72,f83,f94,f115,f128,f145,f160,f174,f177,f184,f199,f202,f222,f233,f260,f270,f279,f283,f287,f290,f294,f300,f306,f308,f317,f324,f328,f329,f339,f354,f356,f362,f363,f371,f376,f383,f397,f402,f417,f423,f434,f445,f463,f464,f471,f486,f493,f506,f522,f526]) ).

fof(f526,plain,
    ( ~ spl0_1
    | ~ spl0_4
    | ~ spl0_14 ),
    inference(avatar_contradiction_clause,[],[f525]) ).

fof(f525,plain,
    ( $false
    | ~ spl0_1
    | ~ spl0_4
    | ~ spl0_14 ),
    inference(subsumption_resolution,[],[f523,f114]) ).

fof(f114,plain,
    ( not_familiar(two,four)
    | ~ spl0_14 ),
    inference(avatar_component_clause,[],[f112]) ).

fof(f112,plain,
    ( spl0_14
  <=> not_familiar(two,four) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_14])]) ).

fof(f523,plain,
    ( ~ not_familiar(two,four)
    | ~ spl0_1
    | ~ spl0_4 ),
    inference(resolution,[],[f49,f494]) ).

fof(f494,plain,
    ( ! [X0] :
        ( ~ not_familiar(X0,three)
        | ~ not_familiar(X0,four) )
    | ~ spl0_1 ),
    inference(resolution,[],[f34,f15]) ).

fof(f15,axiom,
    ! [X6,X7,X5] :
      ( ~ not_familiar(X6,X7)
      | ~ not_familiar(X5,X6)
      | ~ not_familiar(X5,X7) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',three_not_familiar) ).

fof(f34,plain,
    ( not_familiar(three,four)
    | ~ spl0_1 ),
    inference(avatar_component_clause,[],[f32]) ).

fof(f32,plain,
    ( spl0_1
  <=> not_familiar(three,four) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_1])]) ).

fof(f49,plain,
    ( not_familiar(two,three)
    | ~ spl0_4 ),
    inference(avatar_component_clause,[],[f47]) ).

fof(f47,plain,
    ( spl0_4
  <=> not_familiar(two,three) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_4])]) ).

fof(f522,plain,
    ( ~ spl0_9
    | ~ spl0_22
    | ~ spl0_29 ),
    inference(avatar_contradiction_clause,[],[f521]) ).

fof(f521,plain,
    ( $false
    | ~ spl0_9
    | ~ spl0_22
    | ~ spl0_29 ),
    inference(subsumption_resolution,[],[f518,f78]) ).

fof(f78,plain,
    ( not_familiar(one,two)
    | ~ spl0_9 ),
    inference(avatar_component_clause,[],[f76]) ).

fof(f76,plain,
    ( spl0_9
  <=> not_familiar(one,two) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_9])]) ).

fof(f518,plain,
    ( ~ not_familiar(one,two)
    | ~ spl0_22
    | ~ spl0_29 ),
    inference(resolution,[],[f500,f274]) ).

fof(f274,plain,
    ( not_familiar(one,five)
    | ~ spl0_29 ),
    inference(avatar_component_clause,[],[f272]) ).

fof(f272,plain,
    ( spl0_29
  <=> not_familiar(one,five) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_29])]) ).

fof(f500,plain,
    ( ! [X0] :
        ( ~ not_familiar(X0,five)
        | ~ not_familiar(X0,two) )
    | ~ spl0_22 ),
    inference(resolution,[],[f173,f15]) ).

fof(f173,plain,
    ( not_familiar(two,five)
    | ~ spl0_22 ),
    inference(avatar_component_clause,[],[f171]) ).

fof(f171,plain,
    ( spl0_22
  <=> not_familiar(two,five) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_22])]) ).

fof(f506,plain,
    ( ~ spl0_5
    | ~ spl0_8
    | ~ spl0_19 ),
    inference(avatar_contradiction_clause,[],[f505]) ).

fof(f505,plain,
    ( $false
    | ~ spl0_5
    | ~ spl0_8
    | ~ spl0_19 ),
    inference(subsumption_resolution,[],[f503,f56]) ).

fof(f56,plain,
    ( familiar(four,five)
    | ~ spl0_5 ),
    inference(avatar_component_clause,[],[f54]) ).

fof(f54,plain,
    ( spl0_5
  <=> familiar(four,five) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_5])]) ).

fof(f503,plain,
    ( ~ familiar(four,five)
    | ~ spl0_8
    | ~ spl0_19 ),
    inference(resolution,[],[f496,f155]) ).

fof(f155,plain,
    ( familiar(four,six)
    | ~ spl0_19 ),
    inference(avatar_component_clause,[],[f153]) ).

fof(f153,plain,
    ( spl0_19
  <=> familiar(four,six) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_19])]) ).

fof(f496,plain,
    ( ! [X0] :
        ( ~ familiar(X0,six)
        | ~ familiar(X0,five) )
    | ~ spl0_8 ),
    inference(resolution,[],[f71,f14]) ).

fof(f14,axiom,
    ! [X6,X7,X5] :
      ( ~ familiar(X6,X7)
      | ~ familiar(X5,X7)
      | ~ familiar(X5,X6) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',three_familiar) ).

fof(f71,plain,
    ( familiar(five,six)
    | ~ spl0_8 ),
    inference(avatar_component_clause,[],[f69]) ).

fof(f69,plain,
    ( spl0_8
  <=> familiar(five,six) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_8])]) ).

fof(f493,plain,
    ( ~ spl0_12
    | ~ spl0_23
    | ~ spl0_28 ),
    inference(avatar_contradiction_clause,[],[f492]) ).

fof(f492,plain,
    ( $false
    | ~ spl0_12
    | ~ spl0_23
    | ~ spl0_28 ),
    inference(subsumption_resolution,[],[f490,f269]) ).

fof(f269,plain,
    ( familiar(one,six)
    | ~ spl0_28 ),
    inference(avatar_component_clause,[],[f267]) ).

fof(f267,plain,
    ( spl0_28
  <=> familiar(one,six) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_28])]) ).

fof(f490,plain,
    ( ~ familiar(one,six)
    | ~ spl0_12
    | ~ spl0_23 ),
    inference(resolution,[],[f93,f478]) ).

fof(f478,plain,
    ( ! [X0] :
        ( ~ familiar(X0,three)
        | ~ familiar(X0,six) )
    | ~ spl0_23 ),
    inference(resolution,[],[f194,f14]) ).

fof(f194,plain,
    ( familiar(three,six)
    | ~ spl0_23 ),
    inference(avatar_component_clause,[],[f192]) ).

fof(f192,plain,
    ( spl0_23
  <=> familiar(three,six) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_23])]) ).

fof(f93,plain,
    ( familiar(one,three)
    | ~ spl0_12 ),
    inference(avatar_component_clause,[],[f91]) ).

fof(f91,plain,
    ( spl0_12
  <=> familiar(one,three) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_12])]) ).

fof(f486,plain,
    ( ~ spl0_3
    | ~ spl0_23
    | ~ spl0_25 ),
    inference(avatar_contradiction_clause,[],[f485]) ).

fof(f485,plain,
    ( $false
    | ~ spl0_3
    | ~ spl0_23
    | ~ spl0_25 ),
    inference(subsumption_resolution,[],[f484,f217]) ).

fof(f217,plain,
    ( familiar(two,six)
    | ~ spl0_25 ),
    inference(avatar_component_clause,[],[f215]) ).

fof(f215,plain,
    ( spl0_25
  <=> familiar(two,six) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_25])]) ).

fof(f484,plain,
    ( ~ familiar(two,six)
    | ~ spl0_3
    | ~ spl0_23 ),
    inference(resolution,[],[f478,f45]) ).

fof(f45,plain,
    ( familiar(two,three)
    | ~ spl0_3 ),
    inference(avatar_component_clause,[],[f43]) ).

fof(f43,plain,
    ( spl0_3
  <=> familiar(two,three) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_3])]) ).

fof(f471,plain,
    ( ~ spl0_2
    | ~ spl0_5
    | ~ spl0_18 ),
    inference(avatar_contradiction_clause,[],[f470]) ).

fof(f470,plain,
    ( $false
    | ~ spl0_2
    | ~ spl0_5
    | ~ spl0_18 ),
    inference(subsumption_resolution,[],[f468,f38]) ).

fof(f38,plain,
    ( familiar(three,four)
    | ~ spl0_2 ),
    inference(avatar_component_clause,[],[f36]) ).

fof(f36,plain,
    ( spl0_2
  <=> familiar(three,four) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_2])]) ).

fof(f468,plain,
    ( ~ familiar(three,four)
    | ~ spl0_5
    | ~ spl0_18 ),
    inference(resolution,[],[f466,f144]) ).

fof(f144,plain,
    ( familiar(three,five)
    | ~ spl0_18 ),
    inference(avatar_component_clause,[],[f142]) ).

fof(f142,plain,
    ( spl0_18
  <=> familiar(three,five) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_18])]) ).

fof(f466,plain,
    ( ! [X0] :
        ( ~ familiar(X0,five)
        | ~ familiar(X0,four) )
    | ~ spl0_5 ),
    inference(resolution,[],[f56,f14]) ).

fof(f464,plain,
    ( ~ spl0_15
    | ~ spl0_19
    | ~ spl0_28 ),
    inference(avatar_split_clause,[],[f452,f267,f153,f121]) ).

fof(f121,plain,
    ( spl0_15
  <=> familiar(one,four) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_15])]) ).

fof(f452,plain,
    ( ~ familiar(one,four)
    | ~ spl0_19
    | ~ spl0_28 ),
    inference(resolution,[],[f269,f378]) ).

fof(f378,plain,
    ( ! [X0] :
        ( ~ familiar(X0,six)
        | ~ familiar(X0,four) )
    | ~ spl0_19 ),
    inference(resolution,[],[f155,f14]) ).

fof(f463,plain,
    ( ~ spl0_10
    | ~ spl0_21
    | ~ spl0_30 ),
    inference(avatar_contradiction_clause,[],[f462]) ).

fof(f462,plain,
    ( $false
    | ~ spl0_10
    | ~ spl0_21
    | ~ spl0_30 ),
    inference(subsumption_resolution,[],[f459,f82]) ).

fof(f82,plain,
    ( familiar(one,two)
    | ~ spl0_10 ),
    inference(avatar_component_clause,[],[f80]) ).

fof(f80,plain,
    ( spl0_10
  <=> familiar(one,two) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_10])]) ).

fof(f459,plain,
    ( ~ familiar(one,two)
    | ~ spl0_21
    | ~ spl0_30 ),
    inference(resolution,[],[f429,f278]) ).

fof(f278,plain,
    ( familiar(one,five)
    | ~ spl0_30 ),
    inference(avatar_component_clause,[],[f276]) ).

fof(f276,plain,
    ( spl0_30
  <=> familiar(one,five) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_30])]) ).

fof(f429,plain,
    ( ! [X0] :
        ( ~ familiar(X0,five)
        | ~ familiar(X0,two) )
    | ~ spl0_21 ),
    inference(resolution,[],[f169,f14]) ).

fof(f169,plain,
    ( familiar(two,five)
    | ~ spl0_21 ),
    inference(avatar_component_clause,[],[f167]) ).

fof(f167,plain,
    ( spl0_21
  <=> familiar(two,five) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_21])]) ).

fof(f445,plain,
    ( ~ spl0_11
    | ~ spl0_24
    | ~ spl0_27 ),
    inference(avatar_contradiction_clause,[],[f444]) ).

fof(f444,plain,
    ( $false
    | ~ spl0_11
    | ~ spl0_24
    | ~ spl0_27 ),
    inference(subsumption_resolution,[],[f441,f89]) ).

fof(f89,plain,
    ( not_familiar(one,three)
    | ~ spl0_11 ),
    inference(avatar_component_clause,[],[f87]) ).

fof(f87,plain,
    ( spl0_11
  <=> not_familiar(one,three) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_11])]) ).

fof(f441,plain,
    ( ~ not_familiar(one,three)
    | ~ spl0_24
    | ~ spl0_27 ),
    inference(resolution,[],[f410,f265]) ).

fof(f265,plain,
    ( not_familiar(one,six)
    | ~ spl0_27 ),
    inference(avatar_component_clause,[],[f263]) ).

fof(f263,plain,
    ( spl0_27
  <=> not_familiar(one,six) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_27])]) ).

fof(f410,plain,
    ( ! [X0] :
        ( ~ not_familiar(X0,six)
        | ~ not_familiar(X0,three) )
    | ~ spl0_24 ),
    inference(resolution,[],[f198,f15]) ).

fof(f198,plain,
    ( not_familiar(three,six)
    | ~ spl0_24 ),
    inference(avatar_component_clause,[],[f196]) ).

fof(f196,plain,
    ( spl0_24
  <=> not_familiar(three,six) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_24])]) ).

fof(f434,plain,
    ( ~ spl0_9
    | ~ spl0_14
    | ~ spl0_16 ),
    inference(avatar_contradiction_clause,[],[f433]) ).

fof(f433,plain,
    ( $false
    | ~ spl0_9
    | ~ spl0_14
    | ~ spl0_16 ),
    inference(subsumption_resolution,[],[f432,f127]) ).

fof(f127,plain,
    ( not_familiar(one,four)
    | ~ spl0_16 ),
    inference(avatar_component_clause,[],[f125]) ).

fof(f125,plain,
    ( spl0_16
  <=> not_familiar(one,four) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_16])]) ).

fof(f432,plain,
    ( ~ not_familiar(one,four)
    | ~ spl0_9
    | ~ spl0_14 ),
    inference(resolution,[],[f426,f78]) ).

fof(f426,plain,
    ( ! [X0] :
        ( ~ not_familiar(X0,two)
        | ~ not_familiar(X0,four) )
    | ~ spl0_14 ),
    inference(resolution,[],[f114,f15]) ).

fof(f423,plain,
    ( ~ spl0_3
    | ~ spl0_10
    | ~ spl0_12 ),
    inference(avatar_contradiction_clause,[],[f422]) ).

fof(f422,plain,
    ( $false
    | ~ spl0_3
    | ~ spl0_10
    | ~ spl0_12 ),
    inference(subsumption_resolution,[],[f420,f82]) ).

fof(f420,plain,
    ( ~ familiar(one,two)
    | ~ spl0_3
    | ~ spl0_12 ),
    inference(resolution,[],[f418,f93]) ).

fof(f418,plain,
    ( ! [X0] :
        ( ~ familiar(X0,three)
        | ~ familiar(X0,two) )
    | ~ spl0_3 ),
    inference(resolution,[],[f45,f14]) ).

fof(f417,plain,
    ( ~ spl0_13
    | ~ spl0_19
    | ~ spl0_25 ),
    inference(avatar_contradiction_clause,[],[f416]) ).

fof(f416,plain,
    ( $false
    | ~ spl0_13
    | ~ spl0_19
    | ~ spl0_25 ),
    inference(subsumption_resolution,[],[f413,f110]) ).

fof(f110,plain,
    ( familiar(two,four)
    | ~ spl0_13 ),
    inference(avatar_component_clause,[],[f108]) ).

fof(f108,plain,
    ( spl0_13
  <=> familiar(two,four) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_13])]) ).

fof(f413,plain,
    ( ~ familiar(two,four)
    | ~ spl0_19
    | ~ spl0_25 ),
    inference(resolution,[],[f217,f378]) ).

fof(f402,plain,
    ( ~ spl0_2
    | ~ spl0_19
    | ~ spl0_23 ),
    inference(avatar_contradiction_clause,[],[f401]) ).

fof(f401,plain,
    ( $false
    | ~ spl0_2
    | ~ spl0_19
    | ~ spl0_23 ),
    inference(subsumption_resolution,[],[f398,f38]) ).

fof(f398,plain,
    ( ~ familiar(three,four)
    | ~ spl0_19
    | ~ spl0_23 ),
    inference(resolution,[],[f194,f378]) ).

fof(f397,plain,
    ( ~ spl0_4
    | ~ spl0_24
    | ~ spl0_26 ),
    inference(avatar_contradiction_clause,[],[f396]) ).

fof(f396,plain,
    ( $false
    | ~ spl0_4
    | ~ spl0_24
    | ~ spl0_26 ),
    inference(subsumption_resolution,[],[f395,f221]) ).

fof(f221,plain,
    ( not_familiar(two,six)
    | ~ spl0_26 ),
    inference(avatar_component_clause,[],[f219]) ).

fof(f219,plain,
    ( spl0_26
  <=> not_familiar(two,six) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_26])]) ).

fof(f395,plain,
    ( ~ not_familiar(two,six)
    | ~ spl0_4
    | ~ spl0_24 ),
    inference(resolution,[],[f359,f49]) ).

fof(f359,plain,
    ( ! [X0] :
        ( ~ not_familiar(X0,three)
        | ~ not_familiar(X0,six) )
    | ~ spl0_24 ),
    inference(resolution,[],[f198,f15]) ).

fof(f383,plain,
    ( ~ spl0_12
    | ~ spl0_18
    | ~ spl0_30 ),
    inference(avatar_contradiction_clause,[],[f382]) ).

fof(f382,plain,
    ( $false
    | ~ spl0_12
    | ~ spl0_18
    | ~ spl0_30 ),
    inference(subsumption_resolution,[],[f380,f93]) ).

fof(f380,plain,
    ( ~ familiar(one,three)
    | ~ spl0_18
    | ~ spl0_30 ),
    inference(resolution,[],[f357,f278]) ).

fof(f357,plain,
    ( ! [X0] :
        ( ~ familiar(X0,five)
        | ~ familiar(X0,three) )
    | ~ spl0_18 ),
    inference(resolution,[],[f144,f14]) ).

fof(f376,plain,
    ( ~ spl0_8
    | ~ spl0_28
    | ~ spl0_30 ),
    inference(avatar_contradiction_clause,[],[f375]) ).

fof(f375,plain,
    ( $false
    | ~ spl0_8
    | ~ spl0_28
    | ~ spl0_30 ),
    inference(subsumption_resolution,[],[f373,f278]) ).

fof(f373,plain,
    ( ~ familiar(one,five)
    | ~ spl0_8
    | ~ spl0_28 ),
    inference(resolution,[],[f269,f295]) ).

fof(f295,plain,
    ( ! [X0] :
        ( ~ familiar(X0,six)
        | ~ familiar(X0,five) )
    | ~ spl0_8 ),
    inference(resolution,[],[f71,f14]) ).

fof(f371,plain,
    ( ~ spl0_29
    | ~ spl0_6
    | ~ spl0_16 ),
    inference(avatar_split_clause,[],[f367,f125,f58,f272]) ).

fof(f58,plain,
    ( spl0_6
  <=> not_familiar(four,five) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_6])]) ).

fof(f367,plain,
    ( ~ not_familiar(one,five)
    | ~ spl0_6
    | ~ spl0_16 ),
    inference(resolution,[],[f127,f301]) ).

fof(f301,plain,
    ( ! [X0] :
        ( ~ not_familiar(X0,four)
        | ~ not_familiar(X0,five) )
    | ~ spl0_6 ),
    inference(resolution,[],[f60,f15]) ).

fof(f60,plain,
    ( not_familiar(four,five)
    | ~ spl0_6 ),
    inference(avatar_component_clause,[],[f58]) ).

fof(f363,plain,
    ( ~ spl0_16
    | ~ spl0_20
    | ~ spl0_27 ),
    inference(avatar_split_clause,[],[f313,f263,f157,f125]) ).

fof(f157,plain,
    ( spl0_20
  <=> not_familiar(four,six) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_20])]) ).

fof(f313,plain,
    ( ~ not_familiar(one,four)
    | ~ spl0_20
    | ~ spl0_27 ),
    inference(resolution,[],[f255,f265]) ).

fof(f255,plain,
    ( ! [X0] :
        ( ~ not_familiar(X0,six)
        | ~ not_familiar(X0,four) )
    | ~ spl0_20 ),
    inference(resolution,[],[f159,f15]) ).

fof(f159,plain,
    ( not_familiar(four,six)
    | ~ spl0_20 ),
    inference(avatar_component_clause,[],[f157]) ).

fof(f362,plain,
    ( ~ spl0_10
    | ~ spl0_13
    | ~ spl0_15 ),
    inference(avatar_contradiction_clause,[],[f361]) ).

fof(f361,plain,
    ( $false
    | ~ spl0_10
    | ~ spl0_13
    | ~ spl0_15 ),
    inference(subsumption_resolution,[],[f360,f123]) ).

fof(f123,plain,
    ( familiar(one,four)
    | ~ spl0_15 ),
    inference(avatar_component_clause,[],[f121]) ).

fof(f360,plain,
    ( ~ familiar(one,four)
    | ~ spl0_10
    | ~ spl0_13 ),
    inference(resolution,[],[f344,f82]) ).

fof(f344,plain,
    ( ! [X0] :
        ( ~ familiar(X0,two)
        | ~ familiar(X0,four) )
    | ~ spl0_13 ),
    inference(resolution,[],[f110,f14]) ).

fof(f356,plain,
    ( ~ spl0_4
    | ~ spl0_17
    | ~ spl0_22 ),
    inference(avatar_contradiction_clause,[],[f355]) ).

fof(f355,plain,
    ( $false
    | ~ spl0_4
    | ~ spl0_17
    | ~ spl0_22 ),
    inference(subsumption_resolution,[],[f352,f173]) ).

fof(f352,plain,
    ( ~ not_familiar(two,five)
    | ~ spl0_4
    | ~ spl0_17 ),
    inference(resolution,[],[f325,f49]) ).

fof(f325,plain,
    ( ! [X0] :
        ( ~ not_familiar(X0,three)
        | ~ not_familiar(X0,five) )
    | ~ spl0_17 ),
    inference(resolution,[],[f140,f15]) ).

fof(f140,plain,
    ( not_familiar(three,five)
    | ~ spl0_17 ),
    inference(avatar_component_clause,[],[f138]) ).

fof(f138,plain,
    ( spl0_17
  <=> not_familiar(three,five) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_17])]) ).

fof(f354,plain,
    ( ~ spl0_11
    | ~ spl0_17
    | ~ spl0_29 ),
    inference(avatar_contradiction_clause,[],[f353]) ).

fof(f353,plain,
    ( $false
    | ~ spl0_11
    | ~ spl0_17
    | ~ spl0_29 ),
    inference(subsumption_resolution,[],[f351,f274]) ).

fof(f351,plain,
    ( ~ not_familiar(one,five)
    | ~ spl0_11
    | ~ spl0_17 ),
    inference(resolution,[],[f325,f89]) ).

fof(f339,plain,
    ( ~ spl0_14
    | ~ spl0_20
    | ~ spl0_26 ),
    inference(avatar_contradiction_clause,[],[f338]) ).

fof(f338,plain,
    ( $false
    | ~ spl0_14
    | ~ spl0_20
    | ~ spl0_26 ),
    inference(subsumption_resolution,[],[f336,f114]) ).

fof(f336,plain,
    ( ~ not_familiar(two,four)
    | ~ spl0_20
    | ~ spl0_26 ),
    inference(resolution,[],[f221,f255]) ).

fof(f329,plain,
    ( ~ spl0_21
    | ~ spl0_8
    | ~ spl0_25 ),
    inference(avatar_split_clause,[],[f296,f215,f69,f167]) ).

fof(f296,plain,
    ( ~ familiar(two,five)
    | ~ spl0_8
    | ~ spl0_25 ),
    inference(resolution,[],[f295,f217]) ).

fof(f328,plain,
    ( ~ spl0_4
    | ~ spl0_9
    | ~ spl0_11 ),
    inference(avatar_contradiction_clause,[],[f327]) ).

fof(f327,plain,
    ( $false
    | ~ spl0_4
    | ~ spl0_9
    | ~ spl0_11 ),
    inference(subsumption_resolution,[],[f326,f89]) ).

fof(f326,plain,
    ( ~ not_familiar(one,three)
    | ~ spl0_4
    | ~ spl0_9 ),
    inference(resolution,[],[f320,f78]) ).

fof(f320,plain,
    ( ! [X0] :
        ( ~ not_familiar(X0,two)
        | ~ not_familiar(X0,three) )
    | ~ spl0_4 ),
    inference(resolution,[],[f49,f15]) ).

fof(f324,plain,
    ( ~ spl0_12
    | ~ spl0_2
    | ~ spl0_15 ),
    inference(avatar_split_clause,[],[f321,f121,f36,f91]) ).

fof(f321,plain,
    ( ~ familiar(one,three)
    | ~ spl0_2
    | ~ spl0_15 ),
    inference(resolution,[],[f318,f123]) ).

fof(f318,plain,
    ( ! [X0] :
        ( ~ familiar(X0,four)
        | ~ familiar(X0,three) )
    | ~ spl0_2 ),
    inference(resolution,[],[f38,f14]) ).

fof(f317,plain,
    ( ~ spl0_1
    | ~ spl0_20
    | ~ spl0_24 ),
    inference(avatar_contradiction_clause,[],[f316]) ).

fof(f316,plain,
    ( $false
    | ~ spl0_1
    | ~ spl0_20
    | ~ spl0_24 ),
    inference(subsumption_resolution,[],[f314,f34]) ).

fof(f314,plain,
    ( ~ not_familiar(three,four)
    | ~ spl0_20
    | ~ spl0_24 ),
    inference(resolution,[],[f255,f198]) ).

fof(f308,plain,
    ( ~ spl0_1
    | ~ spl0_6
    | ~ spl0_17 ),
    inference(avatar_contradiction_clause,[],[f307]) ).

fof(f307,plain,
    ( $false
    | ~ spl0_1
    | ~ spl0_6
    | ~ spl0_17 ),
    inference(subsumption_resolution,[],[f304,f140]) ).

fof(f304,plain,
    ( ~ not_familiar(three,five)
    | ~ spl0_1
    | ~ spl0_6 ),
    inference(resolution,[],[f301,f34]) ).

fof(f306,plain,
    ( ~ spl0_6
    | ~ spl0_14
    | ~ spl0_22 ),
    inference(avatar_contradiction_clause,[],[f305]) ).

fof(f305,plain,
    ( $false
    | ~ spl0_6
    | ~ spl0_14
    | ~ spl0_22 ),
    inference(subsumption_resolution,[],[f303,f173]) ).

fof(f303,plain,
    ( ~ not_familiar(two,five)
    | ~ spl0_6
    | ~ spl0_14 ),
    inference(resolution,[],[f301,f114]) ).

fof(f300,plain,
    ( ~ spl0_8
    | ~ spl0_18
    | ~ spl0_23 ),
    inference(avatar_contradiction_clause,[],[f299]) ).

fof(f299,plain,
    ( $false
    | ~ spl0_8
    | ~ spl0_18
    | ~ spl0_23 ),
    inference(subsumption_resolution,[],[f297,f144]) ).

fof(f297,plain,
    ( ~ familiar(three,five)
    | ~ spl0_8
    | ~ spl0_23 ),
    inference(resolution,[],[f295,f194]) ).

fof(f294,plain,
    ( ~ spl0_7
    | ~ spl0_27
    | ~ spl0_29 ),
    inference(avatar_contradiction_clause,[],[f293]) ).

fof(f293,plain,
    ( $false
    | ~ spl0_7
    | ~ spl0_27
    | ~ spl0_29 ),
    inference(subsumption_resolution,[],[f291,f265]) ).

fof(f291,plain,
    ( ~ not_familiar(one,six)
    | ~ spl0_7
    | ~ spl0_29 ),
    inference(resolution,[],[f274,f98]) ).

fof(f98,plain,
    ( ! [X0] :
        ( ~ not_familiar(X0,five)
        | ~ not_familiar(X0,six) )
    | ~ spl0_7 ),
    inference(resolution,[],[f67,f15]) ).

fof(f67,plain,
    ( not_familiar(five,six)
    | ~ spl0_7 ),
    inference(avatar_component_clause,[],[f65]) ).

fof(f65,plain,
    ( spl0_7
  <=> not_familiar(five,six) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_7])]) ).

fof(f290,plain,
    ( ~ spl0_26
    | ~ spl0_7
    | ~ spl0_22 ),
    inference(avatar_split_clause,[],[f288,f171,f65,f219]) ).

fof(f288,plain,
    ( ~ not_familiar(two,six)
    | ~ spl0_7
    | ~ spl0_22 ),
    inference(resolution,[],[f173,f98]) ).

fof(f287,plain,
    ( ~ spl0_30
    | ~ spl0_5
    | ~ spl0_15 ),
    inference(avatar_split_clause,[],[f286,f121,f54,f276]) ).

fof(f286,plain,
    ( ~ familiar(one,five)
    | ~ spl0_5
    | ~ spl0_15 ),
    inference(resolution,[],[f284,f123]) ).

fof(f284,plain,
    ( ! [X0] :
        ( ~ familiar(X0,four)
        | ~ familiar(X0,five) )
    | ~ spl0_5 ),
    inference(resolution,[],[f56,f14]) ).

fof(f283,plain,
    ( ~ spl0_6
    | ~ spl0_7
    | ~ spl0_20 ),
    inference(avatar_contradiction_clause,[],[f282]) ).

fof(f282,plain,
    ( $false
    | ~ spl0_6
    | ~ spl0_7
    | ~ spl0_20 ),
    inference(subsumption_resolution,[],[f280,f159]) ).

fof(f280,plain,
    ( ~ not_familiar(four,six)
    | ~ spl0_6
    | ~ spl0_7 ),
    inference(resolution,[],[f60,f98]) ).

fof(f279,plain,
    ( spl0_29
    | spl0_30 ),
    inference(avatar_split_clause,[],[f206,f276,f272]) ).

fof(f206,plain,
    ( familiar(one,five)
    | not_familiar(one,five) ),
    inference(subsumption_resolution,[],[f205,f1]) ).

fof(f1,axiom,
    person(one),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',person1) ).

fof(f205,plain,
    ( ~ person(one)
    | familiar(one,five)
    | not_familiar(one,five) ),
    inference(subsumption_resolution,[],[f203,f5]) ).

fof(f5,axiom,
    person(five),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',person5) ).

fof(f203,plain,
    ( ~ person(five)
    | ~ person(one)
    | familiar(one,five)
    | not_familiar(one,five) ),
    inference(resolution,[],[f161,f13]) ).

fof(f13,axiom,
    ! [X3,X4] :
      ( ~ after(X3,X4)
      | ~ person(X3)
      | familiar(X3,X4)
      | not_familiar(X3,X4)
      | ~ person(X4) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',familiar_or_not) ).

fof(f161,plain,
    after(one,five),
    inference(resolution,[],[f132,f16]) ).

fof(f16,plain,
    ! [X0] :
      ( ~ after(two,X0)
      | after(one,X0) ),
    inference(resolution,[],[f12,f7]) ).

fof(f7,axiom,
    after(one,two),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',order1) ).

fof(f12,axiom,
    ! [X2,X0,X1] :
      ( ~ after(X0,X2)
      | ~ after(X2,X1)
      | after(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',transitivity_of_order) ).

fof(f132,plain,
    after(two,five),
    inference(resolution,[],[f131,f17]) ).

fof(f17,plain,
    ! [X1] :
      ( ~ after(three,X1)
      | after(two,X1) ),
    inference(resolution,[],[f12,f8]) ).

fof(f8,axiom,
    after(two,three),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',order2) ).

fof(f131,plain,
    after(three,five),
    inference(resolution,[],[f18,f10]) ).

fof(f10,axiom,
    after(four,five),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',order4) ).

fof(f18,plain,
    ! [X2] :
      ( ~ after(four,X2)
      | after(three,X2) ),
    inference(resolution,[],[f12,f9]) ).

fof(f9,axiom,
    after(three,four),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',order3) ).

fof(f270,plain,
    ( spl0_27
    | spl0_28 ),
    inference(avatar_split_clause,[],[f261,f267,f263]) ).

fof(f261,plain,
    ( familiar(one,six)
    | not_familiar(one,six) ),
    inference(subsumption_resolution,[],[f228,f6]) ).

fof(f6,axiom,
    person(six),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',person6) ).

fof(f228,plain,
    ( ~ person(six)
    | familiar(one,six)
    | not_familiar(one,six) ),
    inference(subsumption_resolution,[],[f226,f1]) ).

fof(f226,plain,
    ( ~ person(one)
    | not_familiar(one,six)
    | familiar(one,six)
    | ~ person(six) ),
    inference(resolution,[],[f209,f13]) ).

fof(f209,plain,
    after(one,six),
    inference(resolution,[],[f186,f16]) ).

fof(f186,plain,
    after(two,six),
    inference(resolution,[],[f147,f17]) ).

fof(f147,plain,
    after(three,six),
    inference(resolution,[],[f146,f18]) ).

fof(f146,plain,
    after(four,six),
    inference(resolution,[],[f19,f11]) ).

fof(f11,axiom,
    after(five,six),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',order5) ).

fof(f19,plain,
    ! [X3] :
      ( ~ after(five,X3)
      | after(four,X3) ),
    inference(resolution,[],[f12,f10]) ).

fof(f260,plain,
    ( ~ spl0_3
    | ~ spl0_18
    | ~ spl0_21 ),
    inference(avatar_contradiction_clause,[],[f259]) ).

fof(f259,plain,
    ( $false
    | ~ spl0_3
    | ~ spl0_18
    | ~ spl0_21 ),
    inference(subsumption_resolution,[],[f256,f45]) ).

fof(f256,plain,
    ( ~ familiar(two,three)
    | ~ spl0_18
    | ~ spl0_21 ),
    inference(resolution,[],[f246,f169]) ).

fof(f246,plain,
    ( ! [X0] :
        ( ~ familiar(X0,five)
        | ~ familiar(X0,three) )
    | ~ spl0_18 ),
    inference(resolution,[],[f144,f14]) ).

fof(f233,plain,
    ( ~ spl0_16
    | ~ spl0_1
    | ~ spl0_11 ),
    inference(avatar_split_clause,[],[f232,f87,f32,f125]) ).

fof(f232,plain,
    ( ~ not_familiar(one,four)
    | ~ spl0_1
    | ~ spl0_11 ),
    inference(resolution,[],[f178,f89]) ).

fof(f178,plain,
    ( ! [X0] :
        ( ~ not_familiar(X0,three)
        | ~ not_familiar(X0,four) )
    | ~ spl0_1 ),
    inference(resolution,[],[f34,f15]) ).

fof(f222,plain,
    ( spl0_25
    | spl0_26 ),
    inference(avatar_split_clause,[],[f213,f219,f215]) ).

fof(f213,plain,
    ( not_familiar(two,six)
    | familiar(two,six) ),
    inference(subsumption_resolution,[],[f212,f2]) ).

fof(f2,axiom,
    person(two),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',person2) ).

fof(f212,plain,
    ( ~ person(two)
    | familiar(two,six)
    | not_familiar(two,six) ),
    inference(subsumption_resolution,[],[f210,f6]) ).

fof(f210,plain,
    ( not_familiar(two,six)
    | ~ person(six)
    | familiar(two,six)
    | ~ person(two) ),
    inference(resolution,[],[f186,f13]) ).

fof(f202,plain,
    ( ~ spl0_24
    | ~ spl0_7
    | ~ spl0_17 ),
    inference(avatar_split_clause,[],[f201,f138,f65,f196]) ).

fof(f201,plain,
    ( ~ not_familiar(three,six)
    | ~ spl0_7
    | ~ spl0_17 ),
    inference(resolution,[],[f98,f140]) ).

fof(f199,plain,
    ( spl0_23
    | spl0_24 ),
    inference(avatar_split_clause,[],[f190,f196,f192]) ).

fof(f190,plain,
    ( not_familiar(three,six)
    | familiar(three,six) ),
    inference(subsumption_resolution,[],[f189,f6]) ).

fof(f189,plain,
    ( familiar(three,six)
    | ~ person(six)
    | not_familiar(three,six) ),
    inference(subsumption_resolution,[],[f187,f3]) ).

fof(f3,axiom,
    person(three),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',person3) ).

fof(f187,plain,
    ( not_familiar(three,six)
    | familiar(three,six)
    | ~ person(three)
    | ~ person(six) ),
    inference(resolution,[],[f147,f13]) ).

fof(f184,plain,
    ( ~ spl0_5
    | ~ spl0_13
    | ~ spl0_21 ),
    inference(avatar_contradiction_clause,[],[f183]) ).

fof(f183,plain,
    ( $false
    | ~ spl0_5
    | ~ spl0_13
    | ~ spl0_21 ),
    inference(subsumption_resolution,[],[f182,f169]) ).

fof(f182,plain,
    ( ~ familiar(two,five)
    | ~ spl0_5
    | ~ spl0_13 ),
    inference(resolution,[],[f97,f110]) ).

fof(f97,plain,
    ( ! [X0] :
        ( ~ familiar(X0,four)
        | ~ familiar(X0,five) )
    | ~ spl0_5 ),
    inference(resolution,[],[f56,f14]) ).

fof(f177,plain,
    ( ~ spl0_2
    | ~ spl0_3
    | ~ spl0_13 ),
    inference(avatar_contradiction_clause,[],[f176]) ).

fof(f176,plain,
    ( $false
    | ~ spl0_2
    | ~ spl0_3
    | ~ spl0_13 ),
    inference(subsumption_resolution,[],[f175,f110]) ).

fof(f175,plain,
    ( ~ familiar(two,four)
    | ~ spl0_2
    | ~ spl0_3 ),
    inference(resolution,[],[f95,f45]) ).

fof(f95,plain,
    ( ! [X0] :
        ( ~ familiar(X0,three)
        | ~ familiar(X0,four) )
    | ~ spl0_2 ),
    inference(resolution,[],[f38,f14]) ).

fof(f174,plain,
    ( spl0_21
    | spl0_22 ),
    inference(avatar_split_clause,[],[f165,f171,f167]) ).

fof(f165,plain,
    ( not_familiar(two,five)
    | familiar(two,five) ),
    inference(subsumption_resolution,[],[f164,f5]) ).

fof(f164,plain,
    ( familiar(two,five)
    | not_familiar(two,five)
    | ~ person(five) ),
    inference(subsumption_resolution,[],[f162,f2]) ).

fof(f162,plain,
    ( familiar(two,five)
    | ~ person(two)
    | not_familiar(two,five)
    | ~ person(five) ),
    inference(resolution,[],[f132,f13]) ).

fof(f160,plain,
    ( spl0_19
    | spl0_20 ),
    inference(avatar_split_clause,[],[f151,f157,f153]) ).

fof(f151,plain,
    ( not_familiar(four,six)
    | familiar(four,six) ),
    inference(subsumption_resolution,[],[f150,f4]) ).

fof(f4,axiom,
    person(four),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',person4) ).

fof(f150,plain,
    ( ~ person(four)
    | familiar(four,six)
    | not_familiar(four,six) ),
    inference(subsumption_resolution,[],[f148,f6]) ).

fof(f148,plain,
    ( ~ person(six)
    | familiar(four,six)
    | ~ person(four)
    | not_familiar(four,six) ),
    inference(resolution,[],[f146,f13]) ).

fof(f145,plain,
    ( spl0_17
    | spl0_18 ),
    inference(avatar_split_clause,[],[f136,f142,f138]) ).

fof(f136,plain,
    ( familiar(three,five)
    | not_familiar(three,five) ),
    inference(subsumption_resolution,[],[f135,f5]) ).

fof(f135,plain,
    ( not_familiar(three,five)
    | ~ person(five)
    | familiar(three,five) ),
    inference(subsumption_resolution,[],[f133,f3]) ).

fof(f133,plain,
    ( not_familiar(three,five)
    | ~ person(three)
    | ~ person(five)
    | familiar(three,five) ),
    inference(resolution,[],[f131,f13]) ).

fof(f128,plain,
    ( spl0_15
    | spl0_16 ),
    inference(avatar_split_clause,[],[f119,f125,f121]) ).

fof(f119,plain,
    ( not_familiar(one,four)
    | familiar(one,four) ),
    inference(subsumption_resolution,[],[f118,f4]) ).

fof(f118,plain,
    ( ~ person(four)
    | not_familiar(one,four)
    | familiar(one,four) ),
    inference(subsumption_resolution,[],[f116,f1]) ).

fof(f116,plain,
    ( familiar(one,four)
    | not_familiar(one,four)
    | ~ person(one)
    | ~ person(four) ),
    inference(resolution,[],[f102,f13]) ).

fof(f102,plain,
    after(one,four),
    inference(resolution,[],[f101,f16]) ).

fof(f101,plain,
    after(two,four),
    inference(resolution,[],[f17,f9]) ).

fof(f115,plain,
    ( spl0_13
    | spl0_14 ),
    inference(avatar_split_clause,[],[f106,f112,f108]) ).

fof(f106,plain,
    ( not_familiar(two,four)
    | familiar(two,four) ),
    inference(subsumption_resolution,[],[f105,f4]) ).

fof(f105,plain,
    ( familiar(two,four)
    | not_familiar(two,four)
    | ~ person(four) ),
    inference(subsumption_resolution,[],[f103,f2]) ).

fof(f103,plain,
    ( ~ person(two)
    | familiar(two,four)
    | ~ person(four)
    | not_familiar(two,four) ),
    inference(resolution,[],[f101,f13]) ).

fof(f94,plain,
    ( spl0_11
    | spl0_12 ),
    inference(avatar_split_clause,[],[f85,f91,f87]) ).

fof(f85,plain,
    ( familiar(one,three)
    | not_familiar(one,three) ),
    inference(subsumption_resolution,[],[f84,f3]) ).

fof(f84,plain,
    ( familiar(one,three)
    | not_familiar(one,three)
    | ~ person(three) ),
    inference(subsumption_resolution,[],[f24,f1]) ).

fof(f24,plain,
    ( ~ person(one)
    | familiar(one,three)
    | not_familiar(one,three)
    | ~ person(three) ),
    inference(resolution,[],[f13,f21]) ).

fof(f21,plain,
    after(one,three),
    inference(resolution,[],[f16,f8]) ).

fof(f83,plain,
    ( spl0_9
    | spl0_10 ),
    inference(avatar_split_clause,[],[f74,f80,f76]) ).

fof(f74,plain,
    ( familiar(one,two)
    | not_familiar(one,two) ),
    inference(subsumption_resolution,[],[f73,f1]) ).

fof(f73,plain,
    ( familiar(one,two)
    | ~ person(one)
    | not_familiar(one,two) ),
    inference(subsumption_resolution,[],[f23,f2]) ).

fof(f23,plain,
    ( not_familiar(one,two)
    | familiar(one,two)
    | ~ person(two)
    | ~ person(one) ),
    inference(resolution,[],[f13,f7]) ).

fof(f72,plain,
    ( spl0_7
    | spl0_8 ),
    inference(avatar_split_clause,[],[f63,f69,f65]) ).

fof(f63,plain,
    ( familiar(five,six)
    | not_familiar(five,six) ),
    inference(subsumption_resolution,[],[f62,f5]) ).

fof(f62,plain,
    ( not_familiar(five,six)
    | ~ person(five)
    | familiar(five,six) ),
    inference(subsumption_resolution,[],[f28,f6]) ).

fof(f28,plain,
    ( familiar(five,six)
    | ~ person(six)
    | ~ person(five)
    | not_familiar(five,six) ),
    inference(resolution,[],[f13,f11]) ).

fof(f61,plain,
    ( spl0_5
    | spl0_6 ),
    inference(avatar_split_clause,[],[f52,f58,f54]) ).

fof(f52,plain,
    ( not_familiar(four,five)
    | familiar(four,five) ),
    inference(subsumption_resolution,[],[f51,f5]) ).

fof(f51,plain,
    ( not_familiar(four,five)
    | familiar(four,five)
    | ~ person(five) ),
    inference(subsumption_resolution,[],[f27,f4]) ).

fof(f27,plain,
    ( ~ person(four)
    | ~ person(five)
    | not_familiar(four,five)
    | familiar(four,five) ),
    inference(resolution,[],[f13,f10]) ).

fof(f50,plain,
    ( spl0_3
    | spl0_4 ),
    inference(avatar_split_clause,[],[f41,f47,f43]) ).

fof(f41,plain,
    ( not_familiar(two,three)
    | familiar(two,three) ),
    inference(subsumption_resolution,[],[f40,f3]) ).

fof(f40,plain,
    ( familiar(two,three)
    | ~ person(three)
    | not_familiar(two,three) ),
    inference(subsumption_resolution,[],[f25,f2]) ).

fof(f25,plain,
    ( not_familiar(two,three)
    | familiar(two,three)
    | ~ person(two)
    | ~ person(three) ),
    inference(resolution,[],[f13,f8]) ).

fof(f39,plain,
    ( spl0_1
    | spl0_2 ),
    inference(avatar_split_clause,[],[f30,f36,f32]) ).

fof(f30,plain,
    ( familiar(three,four)
    | not_familiar(three,four) ),
    inference(subsumption_resolution,[],[f29,f4]) ).

fof(f29,plain,
    ( ~ person(four)
    | not_familiar(three,four)
    | familiar(three,four) ),
    inference(subsumption_resolution,[],[f26,f3]) ).

fof(f26,plain,
    ( ~ person(three)
    | not_familiar(three,four)
    | ~ person(four)
    | familiar(three,four) ),
    inference(resolution,[],[f13,f9]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem    : PUZ028-5 : TPTP v8.1.0. Released v2.0.0.
% 0.06/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.12/0.34  % Computer : n018.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit   : 300
% 0.12/0.34  % WCLimit    : 300
% 0.12/0.34  % DateTime   : Tue Aug 30 10:43:25 EDT 2022
% 0.12/0.34  % CPUTime    : 
% 0.19/0.48  % (31649)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.19/0.49  % (31646)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.49  % (31665)ott+11_1:1_drc=off:nwc=5.0:slsq=on:slsqc=1:spb=goal_then_units:to=lpo:i=467:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/467Mi)
% 0.19/0.49  % (31646)First to succeed.
% 0.19/0.49  % (31662)ott+10_1:8_bsd=on:fsd=on:lcm=predicate:nwc=5.0:s2a=on:s2at=1.5:spb=goal_then_units:i=176:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/176Mi)
% 0.19/0.50  % (31657)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=75:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/75Mi)
% 0.19/0.50  % (31649)Instruction limit reached!
% 0.19/0.50  % (31649)------------------------------
% 0.19/0.50  % (31649)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.50  % (31649)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.50  % (31649)Termination reason: Unknown
% 0.19/0.50  % (31649)Termination phase: Saturation
% 0.19/0.50  
% 0.19/0.50  % (31649)Memory used [KB]: 5500
% 0.19/0.50  % (31649)Time elapsed: 0.098 s
% 0.19/0.50  % (31649)Instructions burned: 7 (million)
% 0.19/0.50  % (31649)------------------------------
% 0.19/0.50  % (31649)------------------------------
% 0.19/0.50  % (31654)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 0.19/0.51  % (31656)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/68Mi)
% 0.19/0.51  % (31646)Refutation found. Thanks to Tanya!
% 0.19/0.51  % SZS status Unsatisfiable for theBenchmark
% 0.19/0.51  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.51  % (31646)------------------------------
% 0.19/0.51  % (31646)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.51  % (31646)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.51  % (31646)Termination reason: Refutation
% 0.19/0.51  
% 0.19/0.51  % (31646)Memory used [KB]: 5628
% 0.19/0.51  % (31646)Time elapsed: 0.096 s
% 0.19/0.51  % (31646)Instructions burned: 13 (million)
% 0.19/0.51  % (31646)------------------------------
% 0.19/0.51  % (31646)------------------------------
% 0.19/0.51  % (31641)Success in time 0.166 s
%------------------------------------------------------------------------------