TSTP Solution File: PUZ031+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : PUZ031+1 : 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 : n024.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 18:11:37 EDT 2022

% Result   : Theorem 0.21s 0.52s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   35
% Syntax   : Number of formulae    :  155 (  27 unt;   0 def)
%            Number of atoms       :  522 (   0 equ)
%            Maximal formula atoms :    9 (   3 avg)
%            Number of connectives :  681 ( 314   ~; 285   |;  41   &)
%                                         (  11 <=>;  30  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   6 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :   22 (  21 usr;  12 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   5 con; 0-1 aty)
%            Number of variables   :  252 ( 223   !;  29   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f400,plain,
    $false,
    inference(avatar_sat_refutation,[],[f141,f178,f188,f229,f264,f293,f323,f336,f340,f368,f389,f399]) ).

fof(f399,plain,
    ( spl7_17
    | spl7_4
    | ~ spl7_10
    | ~ spl7_28 ),
    inference(avatar_split_clause,[],[f398,f366,f183,f134,f222]) ).

fof(f222,plain,
    ( spl7_17
  <=> ! [X0] : ~ grain(X0) ),
    introduced(avatar_definition,[new_symbols(naming,[spl7_17])]) ).

fof(f134,plain,
    ( spl7_4
  <=> ! [X3] : ~ bird(X3) ),
    introduced(avatar_definition,[new_symbols(naming,[spl7_4])]) ).

fof(f183,plain,
    ( spl7_10
  <=> ! [X11,X10] :
        ( ~ plant(X11)
        | ~ bird(X10)
        | eats(X10,X11) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl7_10])]) ).

fof(f366,plain,
    ( spl7_28
  <=> ! [X6,X4] :
        ( ~ bird(X4)
        | ~ eats(X4,X6)
        | ~ grain(X6) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl7_28])]) ).

fof(f398,plain,
    ( ! [X4,X5] :
        ( ~ bird(X4)
        | ~ grain(X5) )
    | ~ spl7_10
    | ~ spl7_28 ),
    inference(subsumption_resolution,[],[f396,f97]) ).

fof(f97,plain,
    ! [X0] :
      ( ~ grain(X0)
      | plant(X0) ),
    inference(cnf_transformation,[],[f59]) ).

fof(f59,plain,
    ! [X0] :
      ( plant(X0)
      | ~ grain(X0) ),
    inference(ennf_transformation,[],[f36]) ).

fof(f36,plain,
    ! [X0] :
      ( grain(X0)
     => plant(X0) ),
    inference(rectify,[],[f12]) ).

fof(f12,axiom,
    ! [X1] :
      ( grain(X1)
     => plant(X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pel47_6_2) ).

fof(f396,plain,
    ( ! [X4,X5] :
        ( ~ grain(X5)
        | ~ bird(X4)
        | ~ plant(X5) )
    | ~ spl7_10
    | ~ spl7_28 ),
    inference(duplicate_literal_removal,[],[f394]) ).

fof(f394,plain,
    ( ! [X4,X5] :
        ( ~ bird(X4)
        | ~ bird(X4)
        | ~ grain(X5)
        | ~ plant(X5) )
    | ~ spl7_10
    | ~ spl7_28 ),
    inference(resolution,[],[f367,f184]) ).

fof(f184,plain,
    ( ! [X10,X11] :
        ( eats(X10,X11)
        | ~ plant(X11)
        | ~ bird(X10) )
    | ~ spl7_10 ),
    inference(avatar_component_clause,[],[f183]) ).

fof(f367,plain,
    ( ! [X6,X4] :
        ( ~ eats(X4,X6)
        | ~ bird(X4)
        | ~ grain(X6) )
    | ~ spl7_28 ),
    inference(avatar_component_clause,[],[f366]) ).

fof(f389,plain,
    ~ spl7_27,
    inference(avatar_contradiction_clause,[],[f388]) ).

fof(f388,plain,
    ( $false
    | ~ spl7_27 ),
    inference(resolution,[],[f364,f92]) ).

fof(f92,plain,
    fox(sK4),
    inference(cnf_transformation,[],[f70]) ).

fof(f70,plain,
    fox(sK4),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK4])],[f25,f69]) ).

fof(f69,plain,
    ( ? [X0] : fox(X0)
   => fox(sK4) ),
    introduced(choice_axiom,[]) ).

fof(f25,plain,
    ? [X0] : fox(X0),
    inference(rectify,[],[f4]) ).

fof(f4,axiom,
    ? [X1] : fox(X1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pel47_2_2) ).

fof(f364,plain,
    ( ! [X5] : ~ fox(X5)
    | ~ spl7_27 ),
    inference(avatar_component_clause,[],[f363]) ).

fof(f363,plain,
    ( spl7_27
  <=> ! [X5] : ~ fox(X5) ),
    introduced(avatar_definition,[new_symbols(naming,[spl7_27])]) ).

fof(f368,plain,
    ( spl7_27
    | spl7_28
    | ~ spl7_24 ),
    inference(avatar_split_clause,[],[f361,f321,f366,f363]) ).

fof(f321,plain,
    ( spl7_24
  <=> ! [X6,X9] :
        ( ~ fox(X6)
        | ~ bird(X9)
        | eats(X6,X9) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl7_24])]) ).

fof(f361,plain,
    ( ! [X6,X4,X5] :
        ( ~ bird(X4)
        | ~ grain(X6)
        | ~ fox(X5)
        | ~ eats(X4,X6) )
    | ~ spl7_24 ),
    inference(subsumption_resolution,[],[f360,f84]) ).

fof(f84,plain,
    ! [X0] :
      ( ~ bird(X0)
      | animal(X0) ),
    inference(cnf_transformation,[],[f47]) ).

fof(f47,plain,
    ! [X0] :
      ( ~ bird(X0)
      | animal(X0) ),
    inference(ennf_transformation,[],[f5]) ).

fof(f5,axiom,
    ! [X0] :
      ( bird(X0)
     => animal(X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pel47_3_1) ).

fof(f360,plain,
    ( ! [X6,X4,X5] :
        ( ~ animal(X4)
        | ~ bird(X4)
        | ~ eats(X4,X6)
        | ~ fox(X5)
        | ~ grain(X6) )
    | ~ spl7_24 ),
    inference(subsumption_resolution,[],[f351,f101]) ).

fof(f101,plain,
    ! [X0] :
      ( ~ fox(X0)
      | animal(X0) ),
    inference(cnf_transformation,[],[f38]) ).

fof(f38,plain,
    ! [X0] :
      ( ~ fox(X0)
      | animal(X0) ),
    inference(ennf_transformation,[],[f3]) ).

fof(f3,axiom,
    ! [X0] :
      ( fox(X0)
     => animal(X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pel47_2_1) ).

fof(f351,plain,
    ( ! [X6,X4,X5] :
        ( ~ bird(X4)
        | ~ eats(X4,X6)
        | ~ animal(X4)
        | ~ grain(X6)
        | ~ fox(X5)
        | ~ animal(X5) )
    | ~ spl7_24 ),
    inference(resolution,[],[f322,f98]) ).

fof(f98,plain,
    ! [X2,X0,X1] :
      ( ~ eats(X1,X0)
      | ~ eats(X0,X2)
      | ~ animal(X0)
      | ~ grain(X2)
      | ~ animal(X1) ),
    inference(cnf_transformation,[],[f40]) ).

fof(f40,plain,
    ! [X0,X1] :
      ( ! [X2] :
          ( ~ eats(X0,X2)
          | ~ grain(X2)
          | ~ eats(X1,X0) )
      | ~ animal(X1)
      | ~ animal(X0) ),
    inference(ennf_transformation,[],[f27]) ).

fof(f27,plain,
    ~ ? [X1,X0] :
        ( animal(X1)
        & ? [X2] :
            ( grain(X2)
            & eats(X0,X2)
            & eats(X1,X0) )
        & animal(X0) ),
    inference(rectify,[],[f22]) ).

fof(f22,negated_conjecture,
    ~ ? [X2,X0] :
        ( ? [X4] :
            ( eats(X2,X4)
            & grain(X4)
            & eats(X0,X2) )
        & animal(X2)
        & animal(X0) ),
    inference(negated_conjecture,[],[f21]) ).

fof(f21,conjecture,
    ? [X2,X0] :
      ( ? [X4] :
          ( eats(X2,X4)
          & grain(X4)
          & eats(X0,X2) )
      & animal(X2)
      & animal(X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pel47) ).

fof(f322,plain,
    ( ! [X6,X9] :
        ( eats(X6,X9)
        | ~ bird(X9)
        | ~ fox(X6) )
    | ~ spl7_24 ),
    inference(avatar_component_clause,[],[f321]) ).

fof(f340,plain,
    ~ spl7_19,
    inference(avatar_contradiction_clause,[],[f337]) ).

fof(f337,plain,
    ( $false
    | ~ spl7_19 ),
    inference(resolution,[],[f249,f108]) ).

fof(f108,plain,
    plant(sK5),
    inference(resolution,[],[f97,f94]) ).

fof(f94,plain,
    grain(sK5),
    inference(cnf_transformation,[],[f73]) ).

fof(f73,plain,
    grain(sK5),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK5])],[f11,f72]) ).

fof(f72,plain,
    ( ? [X0] : grain(X0)
   => grain(sK5) ),
    introduced(choice_axiom,[]) ).

fof(f11,axiom,
    ? [X0] : grain(X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pel47_6_1) ).

fof(f249,plain,
    ( ! [X0] : ~ plant(X0)
    | ~ spl7_19 ),
    inference(avatar_component_clause,[],[f248]) ).

fof(f248,plain,
    ( spl7_19
  <=> ! [X0] : ~ plant(X0) ),
    introduced(avatar_definition,[new_symbols(naming,[spl7_19])]) ).

fof(f336,plain,
    ~ spl7_14,
    inference(avatar_contradiction_clause,[],[f335]) ).

fof(f335,plain,
    ( $false
    | ~ spl7_14 ),
    inference(resolution,[],[f210,f87]) ).

fof(f87,plain,
    wolf(sK2),
    inference(cnf_transformation,[],[f65]) ).

fof(f65,plain,
    wolf(sK2),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2])],[f30,f64]) ).

fof(f64,plain,
    ( ? [X0] : wolf(X0)
   => wolf(sK2) ),
    introduced(choice_axiom,[]) ).

fof(f30,plain,
    ? [X0] : wolf(X0),
    inference(rectify,[],[f2]) ).

fof(f2,axiom,
    ? [X1] : wolf(X1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pel47_1_2) ).

fof(f210,plain,
    ( ! [X10] : ~ wolf(X10)
    | ~ spl7_14 ),
    inference(avatar_component_clause,[],[f209]) ).

fof(f209,plain,
    ( spl7_14
  <=> ! [X10] : ~ wolf(X10) ),
    introduced(avatar_definition,[new_symbols(naming,[spl7_14])]) ).

fof(f323,plain,
    ( spl7_19
    | spl7_24
    | spl7_19
    | ~ spl7_8
    | ~ spl7_10 ),
    inference(avatar_split_clause,[],[f319,f183,f173,f248,f321,f248]) ).

fof(f173,plain,
    ( spl7_8
  <=> ! [X4,X5] :
        ( ~ fox(X4)
        | ~ plant(X5)
        | ~ eats(X4,X5) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl7_8])]) ).

fof(f319,plain,
    ( ! [X8,X6,X9,X7] :
        ( ~ plant(X7)
        | ~ fox(X6)
        | eats(X6,X9)
        | ~ plant(X8)
        | ~ bird(X9) )
    | ~ spl7_8
    | ~ spl7_10 ),
    inference(subsumption_resolution,[],[f318,f174]) ).

fof(f174,plain,
    ( ! [X4,X5] :
        ( ~ eats(X4,X5)
        | ~ fox(X4)
        | ~ plant(X5) )
    | ~ spl7_8 ),
    inference(avatar_component_clause,[],[f173]) ).

fof(f318,plain,
    ( ! [X8,X6,X9,X7] :
        ( ~ bird(X9)
        | eats(X6,X9)
        | ~ plant(X8)
        | ~ fox(X6)
        | ~ plant(X7)
        | eats(X6,X7) )
    | ~ spl7_10 ),
    inference(duplicate_literal_removal,[],[f315]) ).

fof(f315,plain,
    ( ! [X8,X6,X9,X7] :
        ( ~ fox(X6)
        | eats(X6,X7)
        | ~ bird(X9)
        | ~ bird(X9)
        | ~ plant(X7)
        | ~ plant(X8)
        | eats(X6,X9)
        | ~ plant(X8) )
    | ~ spl7_10 ),
    inference(resolution,[],[f168,f184]) ).

fof(f168,plain,
    ! [X2,X3,X0,X1] :
      ( ~ eats(X0,X1)
      | ~ fox(X2)
      | ~ plant(X3)
      | eats(X2,X3)
      | ~ plant(X1)
      | ~ bird(X0)
      | eats(X2,X0) ),
    inference(subsumption_resolution,[],[f167,f84]) ).

fof(f167,plain,
    ! [X2,X3,X0,X1] :
      ( ~ bird(X0)
      | eats(X2,X0)
      | ~ animal(X0)
      | ~ fox(X2)
      | eats(X2,X3)
      | ~ plant(X1)
      | ~ eats(X0,X1)
      | ~ plant(X3) ),
    inference(subsumption_resolution,[],[f163,f101]) ).

fof(f163,plain,
    ! [X2,X3,X0,X1] :
      ( ~ animal(X2)
      | eats(X2,X3)
      | ~ eats(X0,X1)
      | ~ bird(X0)
      | ~ plant(X1)
      | ~ plant(X3)
      | eats(X2,X0)
      | ~ fox(X2)
      | ~ animal(X0) ),
    inference(resolution,[],[f93,f103]) ).

fof(f103,plain,
    ! [X0,X1] :
      ( much_smaller(X1,X0)
      | ~ bird(X1)
      | ~ fox(X0) ),
    inference(cnf_transformation,[],[f46]) ).

fof(f46,plain,
    ! [X0,X1] :
      ( ~ fox(X0)
      | much_smaller(X1,X0)
      | ~ bird(X1) ),
    inference(flattening,[],[f45]) ).

fof(f45,plain,
    ! [X0,X1] :
      ( much_smaller(X1,X0)
      | ~ bird(X1)
      | ~ fox(X0) ),
    inference(ennf_transformation,[],[f28]) ).

fof(f28,plain,
    ! [X0,X1] :
      ( ( bird(X1)
        & fox(X0) )
     => much_smaller(X1,X0) ),
    inference(rectify,[],[f15]) ).

fof(f15,axiom,
    ! [X2,X0] :
      ( ( bird(X0)
        & fox(X2) )
     => much_smaller(X0,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pel47_9) ).

fof(f93,plain,
    ! [X2,X3,X0,X1] :
      ( ~ much_smaller(X2,X0)
      | ~ eats(X2,X3)
      | ~ plant(X3)
      | ~ animal(X0)
      | eats(X0,X2)
      | ~ plant(X1)
      | ~ animal(X2)
      | eats(X0,X1) ),
    inference(cnf_transformation,[],[f71]) ).

fof(f71,plain,
    ! [X0] :
      ( ! [X1] :
          ( eats(X0,X1)
          | ~ plant(X1) )
      | ~ animal(X0)
      | ! [X2] :
          ( eats(X0,X2)
          | ~ animal(X2)
          | ! [X3] :
              ( ~ eats(X2,X3)
              | ~ plant(X3) )
          | ~ much_smaller(X2,X0) ) ),
    inference(rectify,[],[f55]) ).

fof(f55,plain,
    ! [X0] :
      ( ! [X3] :
          ( eats(X0,X3)
          | ~ plant(X3) )
      | ~ animal(X0)
      | ! [X1] :
          ( eats(X0,X1)
          | ~ animal(X1)
          | ! [X2] :
              ( ~ eats(X1,X2)
              | ~ plant(X2) )
          | ~ much_smaller(X1,X0) ) ),
    inference(flattening,[],[f54]) ).

fof(f54,plain,
    ! [X0] :
      ( ! [X3] :
          ( eats(X0,X3)
          | ~ plant(X3) )
      | ! [X1] :
          ( eats(X0,X1)
          | ~ much_smaller(X1,X0)
          | ~ animal(X1)
          | ! [X2] :
              ( ~ eats(X1,X2)
              | ~ plant(X2) ) )
      | ~ animal(X0) ),
    inference(ennf_transformation,[],[f24]) ).

fof(f24,plain,
    ! [X0] :
      ( animal(X0)
     => ( ! [X3] :
            ( plant(X3)
           => eats(X0,X3) )
        | ! [X1] :
            ( ( much_smaller(X1,X0)
              & animal(X1)
              & ? [X2] :
                  ( eats(X1,X2)
                  & plant(X2) ) )
           => eats(X0,X1) ) ) ),
    inference(rectify,[],[f13]) ).

fof(f13,axiom,
    ! [X0] :
      ( animal(X0)
     => ( ! [X3] :
            ( ( ? [X4] :
                  ( eats(X3,X4)
                  & plant(X4) )
              & much_smaller(X3,X0)
              & animal(X3) )
           => eats(X0,X3) )
        | ! [X2] :
            ( plant(X2)
           => eats(X0,X2) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pel47_7) ).

fof(f293,plain,
    ~ spl7_17,
    inference(avatar_contradiction_clause,[],[f292]) ).

fof(f292,plain,
    ( $false
    | ~ spl7_17 ),
    inference(resolution,[],[f223,f94]) ).

fof(f223,plain,
    ( ! [X0] : ~ grain(X0)
    | ~ spl7_17 ),
    inference(avatar_component_clause,[],[f222]) ).

fof(f264,plain,
    ~ spl7_11,
    inference(avatar_contradiction_clause,[],[f263]) ).

fof(f263,plain,
    ( $false
    | ~ spl7_11 ),
    inference(resolution,[],[f262,f79]) ).

fof(f79,plain,
    snail(sK0),
    inference(cnf_transformation,[],[f61]) ).

fof(f61,plain,
    snail(sK0),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f31,f60]) ).

fof(f60,plain,
    ( ? [X0] : snail(X0)
   => snail(sK0) ),
    introduced(choice_axiom,[]) ).

fof(f31,plain,
    ? [X0] : snail(X0),
    inference(rectify,[],[f10]) ).

fof(f10,axiom,
    ? [X1] : snail(X1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pel47_5_2) ).

fof(f262,plain,
    ( ! [X0] : ~ snail(X0)
    | ~ spl7_11 ),
    inference(subsumption_resolution,[],[f261,f81]) ).

fof(f81,plain,
    ! [X0] :
      ( plant(sK1(X0))
      | ~ snail(X0) ),
    inference(cnf_transformation,[],[f63]) ).

fof(f63,plain,
    ! [X0] :
      ( ( eats(X0,sK1(X0))
        & plant(sK1(X0)) )
      | ( ~ snail(X0)
        & ~ caterpillar(X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1])],[f39,f62]) ).

fof(f62,plain,
    ! [X0] :
      ( ? [X1] :
          ( eats(X0,X1)
          & plant(X1) )
     => ( eats(X0,sK1(X0))
        & plant(sK1(X0)) ) ),
    introduced(choice_axiom,[]) ).

fof(f39,plain,
    ! [X0] :
      ( ? [X1] :
          ( eats(X0,X1)
          & plant(X1) )
      | ( ~ snail(X0)
        & ~ caterpillar(X0) ) ),
    inference(ennf_transformation,[],[f37]) ).

fof(f37,plain,
    ! [X0] :
      ( ( caterpillar(X0)
        | snail(X0) )
     => ? [X1] :
          ( eats(X0,X1)
          & plant(X1) ) ),
    inference(rectify,[],[f20]) ).

fof(f20,axiom,
    ! [X0] :
      ( ( caterpillar(X0)
        | snail(X0) )
     => ? [X2] :
          ( plant(X2)
          & eats(X0,X2) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pel47_14) ).

fof(f261,plain,
    ( ! [X0] :
        ( ~ snail(X0)
        | ~ plant(sK1(X0)) )
    | ~ spl7_11 ),
    inference(duplicate_literal_removal,[],[f258]) ).

fof(f258,plain,
    ( ! [X0] :
        ( ~ snail(X0)
        | ~ snail(X0)
        | ~ plant(sK1(X0)) )
    | ~ spl7_11 ),
    inference(resolution,[],[f187,f83]) ).

fof(f83,plain,
    ! [X0] :
      ( eats(X0,sK1(X0))
      | ~ snail(X0) ),
    inference(cnf_transformation,[],[f63]) ).

fof(f187,plain,
    ( ! [X8,X9] :
        ( ~ eats(X8,X9)
        | ~ plant(X9)
        | ~ snail(X8) )
    | ~ spl7_11 ),
    inference(avatar_component_clause,[],[f186]) ).

fof(f186,plain,
    ( spl7_11
  <=> ! [X9,X8] :
        ( ~ eats(X8,X9)
        | ~ snail(X8)
        | ~ plant(X9) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl7_11])]) ).

fof(f229,plain,
    ( spl7_17
    | spl7_14
    | ~ spl7_9 ),
    inference(avatar_split_clause,[],[f228,f176,f209,f222]) ).

fof(f176,plain,
    ( spl7_9
  <=> ! [X6,X7] :
        ( ~ plant(X7)
        | ~ wolf(X6)
        | eats(X6,X7) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl7_9])]) ).

fof(f228,plain,
    ( ! [X8,X7] :
        ( ~ wolf(X8)
        | ~ grain(X7) )
    | ~ spl7_9 ),
    inference(subsumption_resolution,[],[f206,f97]) ).

fof(f206,plain,
    ( ! [X8,X7] :
        ( ~ wolf(X8)
        | ~ plant(X7)
        | ~ grain(X7) )
    | ~ spl7_9 ),
    inference(duplicate_literal_removal,[],[f204]) ).

fof(f204,plain,
    ( ! [X8,X7] :
        ( ~ grain(X7)
        | ~ wolf(X8)
        | ~ plant(X7)
        | ~ wolf(X8) )
    | ~ spl7_9 ),
    inference(resolution,[],[f177,f96]) ).

fof(f96,plain,
    ! [X0,X1] :
      ( ~ eats(X1,X0)
      | ~ grain(X0)
      | ~ wolf(X1) ),
    inference(cnf_transformation,[],[f74]) ).

fof(f74,plain,
    ! [X0,X1] :
      ( ~ wolf(X1)
      | ~ eats(X1,X0)
      | ( ~ grain(X0)
        & ~ fox(X0) ) ),
    inference(rectify,[],[f44]) ).

fof(f44,plain,
    ! [X1,X0] :
      ( ~ wolf(X0)
      | ~ eats(X0,X1)
      | ( ~ grain(X1)
        & ~ fox(X1) ) ),
    inference(flattening,[],[f43]) ).

fof(f43,plain,
    ! [X1,X0] :
      ( ~ eats(X0,X1)
      | ~ wolf(X0)
      | ( ~ grain(X1)
        & ~ fox(X1) ) ),
    inference(ennf_transformation,[],[f26]) ).

fof(f26,plain,
    ! [X1,X0] :
      ( ( wolf(X0)
        & ( grain(X1)
          | fox(X1) ) )
     => ~ eats(X0,X1) ),
    inference(rectify,[],[f17]) ).

fof(f17,axiom,
    ! [X0,X2] :
      ( ( ( fox(X2)
          | grain(X2) )
        & wolf(X0) )
     => ~ eats(X0,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pel47_11) ).

fof(f177,plain,
    ( ! [X6,X7] :
        ( eats(X6,X7)
        | ~ plant(X7)
        | ~ wolf(X6) )
    | ~ spl7_9 ),
    inference(avatar_component_clause,[],[f176]) ).

fof(f188,plain,
    ( spl7_10
    | spl7_11 ),
    inference(avatar_split_clause,[],[f181,f186,f183]) ).

fof(f181,plain,
    ! [X10,X11,X8,X9] :
      ( ~ eats(X8,X9)
      | ~ plant(X9)
      | ~ snail(X8)
      | ~ plant(X11)
      | ~ bird(X10)
      | eats(X10,X11) ),
    inference(subsumption_resolution,[],[f180,f99]) ).

fof(f99,plain,
    ! [X0,X1] :
      ( ~ eats(X1,X0)
      | ~ snail(X0)
      | ~ bird(X1) ),
    inference(cnf_transformation,[],[f75]) ).

fof(f75,plain,
    ! [X0,X1] :
      ( ~ bird(X1)
      | ~ snail(X0)
      | ~ eats(X1,X0) ),
    inference(rectify,[],[f51]) ).

fof(f51,plain,
    ! [X1,X0] :
      ( ~ bird(X0)
      | ~ snail(X1)
      | ~ eats(X0,X1) ),
    inference(flattening,[],[f50]) ).

fof(f50,plain,
    ! [X1,X0] :
      ( ~ eats(X0,X1)
      | ~ snail(X1)
      | ~ bird(X0) ),
    inference(ennf_transformation,[],[f29]) ).

fof(f29,plain,
    ! [X1,X0] :
      ( ( snail(X1)
        & bird(X0) )
     => ~ eats(X0,X1) ),
    inference(rectify,[],[f19]) ).

fof(f19,axiom,
    ! [X0,X2] :
      ( ( bird(X0)
        & snail(X2) )
     => ~ eats(X0,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pel47_13) ).

fof(f180,plain,
    ! [X10,X11,X8,X9] :
      ( ~ eats(X8,X9)
      | ~ bird(X10)
      | ~ snail(X8)
      | ~ plant(X9)
      | eats(X10,X11)
      | eats(X10,X8)
      | ~ plant(X11) ),
    inference(subsumption_resolution,[],[f179,f84]) ).

fof(f179,plain,
    ! [X10,X11,X8,X9] :
      ( ~ eats(X8,X9)
      | eats(X10,X8)
      | ~ snail(X8)
      | ~ bird(X10)
      | ~ animal(X10)
      | ~ plant(X11)
      | ~ plant(X9)
      | eats(X10,X11) ),
    inference(subsumption_resolution,[],[f165,f89]) ).

fof(f89,plain,
    ! [X0] :
      ( ~ snail(X0)
      | animal(X0) ),
    inference(cnf_transformation,[],[f58]) ).

fof(f58,plain,
    ! [X0] :
      ( ~ snail(X0)
      | animal(X0) ),
    inference(ennf_transformation,[],[f9]) ).

fof(f9,axiom,
    ! [X0] :
      ( snail(X0)
     => animal(X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pel47_5_1) ).

fof(f165,plain,
    ! [X10,X11,X8,X9] :
      ( eats(X10,X11)
      | ~ bird(X10)
      | ~ animal(X10)
      | ~ plant(X9)
      | ~ animal(X8)
      | ~ plant(X11)
      | ~ eats(X8,X9)
      | ~ snail(X8)
      | eats(X10,X8) ),
    inference(resolution,[],[f93,f86]) ).

fof(f86,plain,
    ! [X0,X1] :
      ( much_smaller(X0,X1)
      | ~ bird(X1)
      | ~ snail(X0) ),
    inference(cnf_transformation,[],[f53]) ).

fof(f53,plain,
    ! [X0,X1] :
      ( ( ~ snail(X0)
        & ~ caterpillar(X0) )
      | ~ bird(X1)
      | much_smaller(X0,X1) ),
    inference(flattening,[],[f52]) ).

fof(f52,plain,
    ! [X1,X0] :
      ( much_smaller(X0,X1)
      | ~ bird(X1)
      | ( ~ snail(X0)
        & ~ caterpillar(X0) ) ),
    inference(ennf_transformation,[],[f23]) ).

fof(f23,plain,
    ! [X1,X0] :
      ( ( bird(X1)
        & ( caterpillar(X0)
          | snail(X0) ) )
     => much_smaller(X0,X1) ),
    inference(rectify,[],[f14]) ).

fof(f14,axiom,
    ! [X0,X2] :
      ( ( bird(X2)
        & ( caterpillar(X0)
          | snail(X0) ) )
     => much_smaller(X0,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pel47_8) ).

fof(f178,plain,
    ( spl7_8
    | spl7_9 ),
    inference(avatar_split_clause,[],[f171,f176,f173]) ).

fof(f171,plain,
    ! [X6,X7,X4,X5] :
      ( ~ plant(X7)
      | ~ wolf(X6)
      | ~ fox(X4)
      | ~ eats(X4,X5)
      | ~ plant(X5)
      | eats(X6,X7) ),
    inference(subsumption_resolution,[],[f170,f104]) ).

fof(f104,plain,
    ! [X0] :
      ( ~ wolf(X0)
      | animal(X0) ),
    inference(cnf_transformation,[],[f42]) ).

fof(f42,plain,
    ! [X0] :
      ( ~ wolf(X0)
      | animal(X0) ),
    inference(ennf_transformation,[],[f1]) ).

fof(f1,axiom,
    ! [X0] :
      ( wolf(X0)
     => animal(X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pel47_1_1) ).

fof(f170,plain,
    ! [X6,X7,X4,X5] :
      ( ~ plant(X7)
      | eats(X6,X7)
      | ~ plant(X5)
      | ~ animal(X6)
      | ~ fox(X4)
      | ~ eats(X4,X5)
      | ~ wolf(X6) ),
    inference(subsumption_resolution,[],[f169,f95]) ).

fof(f95,plain,
    ! [X0,X1] :
      ( ~ eats(X1,X0)
      | ~ wolf(X1)
      | ~ fox(X0) ),
    inference(cnf_transformation,[],[f74]) ).

fof(f169,plain,
    ! [X6,X7,X4,X5] :
      ( ~ animal(X6)
      | ~ plant(X5)
      | ~ plant(X7)
      | eats(X6,X4)
      | ~ fox(X4)
      | ~ wolf(X6)
      | eats(X6,X7)
      | ~ eats(X4,X5) ),
    inference(subsumption_resolution,[],[f164,f101]) ).

fof(f164,plain,
    ! [X6,X7,X4,X5] :
      ( ~ eats(X4,X5)
      | ~ wolf(X6)
      | ~ plant(X7)
      | ~ fox(X4)
      | ~ animal(X6)
      | ~ animal(X4)
      | eats(X6,X4)
      | eats(X6,X7)
      | ~ plant(X5) ),
    inference(resolution,[],[f93,f100]) ).

fof(f100,plain,
    ! [X0,X1] :
      ( much_smaller(X0,X1)
      | ~ fox(X0)
      | ~ wolf(X1) ),
    inference(cnf_transformation,[],[f76]) ).

fof(f76,plain,
    ! [X0,X1] :
      ( ~ wolf(X1)
      | much_smaller(X0,X1)
      | ~ fox(X0) ),
    inference(rectify,[],[f57]) ).

fof(f57,plain,
    ! [X1,X0] :
      ( ~ wolf(X0)
      | much_smaller(X1,X0)
      | ~ fox(X1) ),
    inference(flattening,[],[f56]) ).

fof(f56,plain,
    ! [X1,X0] :
      ( much_smaller(X1,X0)
      | ~ fox(X1)
      | ~ wolf(X0) ),
    inference(ennf_transformation,[],[f32]) ).

fof(f32,plain,
    ! [X1,X0] :
      ( ( fox(X1)
        & wolf(X0) )
     => much_smaller(X1,X0) ),
    inference(rectify,[],[f16]) ).

fof(f16,axiom,
    ! [X2,X0] :
      ( ( fox(X0)
        & wolf(X2) )
     => much_smaller(X0,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pel47_10) ).

fof(f141,plain,
    ~ spl7_4,
    inference(avatar_contradiction_clause,[],[f140]) ).

fof(f140,plain,
    ( $false
    | ~ spl7_4 ),
    inference(resolution,[],[f135,f102]) ).

fof(f102,plain,
    bird(sK6),
    inference(cnf_transformation,[],[f78]) ).

fof(f78,plain,
    bird(sK6),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK6])],[f34,f77]) ).

fof(f77,plain,
    ( ? [X0] : bird(X0)
   => bird(sK6) ),
    introduced(choice_axiom,[]) ).

fof(f34,plain,
    ? [X0] : bird(X0),
    inference(rectify,[],[f6]) ).

fof(f6,axiom,
    ? [X1] : bird(X1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pel47_3_2) ).

fof(f135,plain,
    ( ! [X3] : ~ bird(X3)
    | ~ spl7_4 ),
    inference(avatar_component_clause,[],[f134]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem    : PUZ031+1 : TPTP v8.1.0. Released v2.0.0.
% 0.12/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.14/0.34  % Computer : n024.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit   : 300
% 0.14/0.34  % WCLimit    : 300
% 0.14/0.34  % DateTime   : Tue Aug 30 10:42:04 EDT 2022
% 0.14/0.34  % CPUTime    : 
% 0.21/0.50  % (23268)ott+10_1:5_bd=off:tgt=full:i=500:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/500Mi)
% 0.21/0.51  % (23252)ott-1_1:6_av=off:cond=on:fsr=off:nwc=3.0:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.21/0.51  % (23265)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=498:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/498Mi)
% 0.21/0.51  % (23257)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)
% 0.21/0.51  % (23268)First to succeed.
% 0.21/0.52  % (23249)fmb+10_1:1_fmbsr=2.0:nm=4:skr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.21/0.52  % (23268)Refutation found. Thanks to Tanya!
% 0.21/0.52  % SZS status Theorem for theBenchmark
% 0.21/0.52  % SZS output start Proof for theBenchmark
% See solution above
% 0.21/0.52  % (23268)------------------------------
% 0.21/0.52  % (23268)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.21/0.52  % (23268)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.21/0.52  % (23268)Termination reason: Refutation
% 0.21/0.52  
% 0.21/0.52  % (23268)Memory used [KB]: 5628
% 0.21/0.52  % (23268)Time elapsed: 0.113 s
% 0.21/0.52  % (23268)Instructions burned: 9 (million)
% 0.21/0.52  % (23268)------------------------------
% 0.21/0.52  % (23268)------------------------------
% 0.21/0.52  % (23242)Success in time 0.17 s
%------------------------------------------------------------------------------