TSTP Solution File: SEU180+2 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SEU180+2 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n006.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 : Sun May  5 09:28:03 EDT 2024

% Result   : Theorem 0.21s 0.54s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   44
% Syntax   : Number of formulae    :  166 (  24 unt;   0 def)
%            Number of atoms       :  463 (  67 equ)
%            Maximal formula atoms :   10 (   2 avg)
%            Number of connectives :  482 ( 185   ~; 171   |;  71   &)
%                                         (  31 <=>;  24  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :   22 (  20 usr;  13 prp; 0-2 aty)
%            Number of functors    :   21 (  21 usr;   4 con; 0-2 aty)
%            Number of variables   :  256 ( 224   !;  32   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f7295,plain,
    $false,
    inference(avatar_sat_refutation,[],[f790,f2761,f4843,f5032,f5653,f6201,f7221,f7294]) ).

fof(f7294,plain,
    spl55_2,
    inference(avatar_contradiction_clause,[],[f7293]) ).

fof(f7293,plain,
    ( $false
    | spl55_2 ),
    inference(subsumption_resolution,[],[f7292,f420]) ).

fof(f420,plain,
    relation(sK12),
    inference(cnf_transformation,[],[f282]) ).

fof(f282,plain,
    ( ( ~ in(sK11,relation_field(sK12))
      | ~ in(sK10,relation_field(sK12)) )
    & in(ordered_pair(sK10,sK11),sK12)
    & relation(sK12) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK10,sK11,sK12])],[f164,f281]) ).

fof(f281,plain,
    ( ? [X0,X1,X2] :
        ( ( ~ in(X1,relation_field(X2))
          | ~ in(X0,relation_field(X2)) )
        & in(ordered_pair(X0,X1),X2)
        & relation(X2) )
   => ( ( ~ in(sK11,relation_field(sK12))
        | ~ in(sK10,relation_field(sK12)) )
      & in(ordered_pair(sK10,sK11),sK12)
      & relation(sK12) ) ),
    introduced(choice_axiom,[]) ).

fof(f164,plain,
    ? [X0,X1,X2] :
      ( ( ~ in(X1,relation_field(X2))
        | ~ in(X0,relation_field(X2)) )
      & in(ordered_pair(X0,X1),X2)
      & relation(X2) ),
    inference(flattening,[],[f163]) ).

fof(f163,plain,
    ? [X0,X1,X2] :
      ( ( ~ in(X1,relation_field(X2))
        | ~ in(X0,relation_field(X2)) )
      & in(ordered_pair(X0,X1),X2)
      & relation(X2) ),
    inference(ennf_transformation,[],[f109]) ).

fof(f109,negated_conjecture,
    ~ ! [X0,X1,X2] :
        ( relation(X2)
       => ( in(ordered_pair(X0,X1),X2)
         => ( in(X1,relation_field(X2))
            & in(X0,relation_field(X2)) ) ) ),
    inference(negated_conjecture,[],[f108]) ).

fof(f108,conjecture,
    ! [X0,X1,X2] :
      ( relation(X2)
     => ( in(ordered_pair(X0,X1),X2)
       => ( in(X1,relation_field(X2))
          & in(X0,relation_field(X2)) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t30_relat_1) ).

fof(f7292,plain,
    ( ~ relation(sK12)
    | spl55_2 ),
    inference(subsumption_resolution,[],[f7265,f6175]) ).

fof(f6175,plain,
    ( ~ in(sK11,relation_rng(sK12))
    | spl55_2 ),
    inference(resolution,[],[f6126,f4784]) ).

fof(f4784,plain,
    ( ! [X0] :
        ( ~ subset(X0,relation_field(sK12))
        | ~ in(sK11,X0) )
    | spl55_2 ),
    inference(resolution,[],[f4599,f483]) ).

fof(f483,plain,
    ! [X0,X1] :
      ( ~ disjoint(singleton(X0),X1)
      | ~ in(X0,X1) ),
    inference(cnf_transformation,[],[f194]) ).

fof(f194,plain,
    ! [X0,X1] :
      ( ~ in(X0,X1)
      | ~ disjoint(singleton(X0),X1) ),
    inference(ennf_transformation,[],[f67]) ).

fof(f67,axiom,
    ! [X0,X1] :
      ~ ( in(X0,X1)
        & disjoint(singleton(X0),X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l25_zfmisc_1) ).

fof(f4599,plain,
    ( ! [X0] :
        ( disjoint(singleton(sK11),X0)
        | ~ subset(X0,relation_field(sK12)) )
    | spl55_2 ),
    inference(resolution,[],[f4306,f572]) ).

fof(f572,plain,
    ! [X0,X1] :
      ( ~ disjoint(X0,X1)
      | disjoint(X1,X0) ),
    inference(cnf_transformation,[],[f231]) ).

fof(f231,plain,
    ! [X0,X1] :
      ( disjoint(X1,X0)
      | ~ disjoint(X0,X1) ),
    inference(ennf_transformation,[],[f86]) ).

fof(f86,axiom,
    ! [X0,X1] :
      ( disjoint(X0,X1)
     => disjoint(X1,X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',symmetry_r1_xboole_0) ).

fof(f4306,plain,
    ( ! [X0] :
        ( disjoint(X0,singleton(sK11))
        | ~ subset(X0,relation_field(sK12)) )
    | spl55_2 ),
    inference(resolution,[],[f494,f4150]) ).

fof(f4150,plain,
    ( disjoint(relation_field(sK12),singleton(sK11))
    | spl55_2 ),
    inference(trivial_inequality_removal,[],[f4128]) ).

fof(f4128,plain,
    ( relation_field(sK12) != relation_field(sK12)
    | disjoint(relation_field(sK12),singleton(sK11))
    | spl55_2 ),
    inference(superposition,[],[f465,f3978]) ).

fof(f3978,plain,
    ( relation_field(sK12) = set_difference(relation_field(sK12),singleton(sK11))
    | spl55_2 ),
    inference(resolution,[],[f481,f789]) ).

fof(f789,plain,
    ( ~ in(sK11,relation_field(sK12))
    | spl55_2 ),
    inference(avatar_component_clause,[],[f787]) ).

fof(f787,plain,
    ( spl55_2
  <=> in(sK11,relation_field(sK12)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl55_2])]) ).

fof(f481,plain,
    ! [X0,X1] :
      ( in(X1,X0)
      | set_difference(X0,singleton(X1)) = X0 ),
    inference(cnf_transformation,[],[f302]) ).

fof(f302,plain,
    ! [X0,X1] :
      ( ( set_difference(X0,singleton(X1)) = X0
        | in(X1,X0) )
      & ( ~ in(X1,X0)
        | set_difference(X0,singleton(X1)) != X0 ) ),
    inference(nnf_transformation,[],[f138]) ).

fof(f138,axiom,
    ! [X0,X1] :
      ( set_difference(X0,singleton(X1)) = X0
    <=> ~ in(X1,X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t65_zfmisc_1) ).

fof(f465,plain,
    ! [X0,X1] :
      ( set_difference(X0,X1) != X0
      | disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f293]) ).

fof(f293,plain,
    ! [X0,X1] :
      ( ( disjoint(X0,X1)
        | set_difference(X0,X1) != X0 )
      & ( set_difference(X0,X1) = X0
        | ~ disjoint(X0,X1) ) ),
    inference(nnf_transformation,[],[f144]) ).

fof(f144,axiom,
    ! [X0,X1] :
      ( disjoint(X0,X1)
    <=> set_difference(X0,X1) = X0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t83_xboole_1) ).

fof(f494,plain,
    ! [X2,X0,X1] :
      ( ~ disjoint(X1,X2)
      | disjoint(X0,X2)
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f207]) ).

fof(f207,plain,
    ! [X0,X1,X2] :
      ( disjoint(X0,X2)
      | ~ disjoint(X1,X2)
      | ~ subset(X0,X1) ),
    inference(flattening,[],[f206]) ).

fof(f206,plain,
    ! [X0,X1,X2] :
      ( disjoint(X0,X2)
      | ~ disjoint(X1,X2)
      | ~ subset(X0,X1) ),
    inference(ennf_transformation,[],[f137]) ).

fof(f137,axiom,
    ! [X0,X1,X2] :
      ( ( disjoint(X1,X2)
        & subset(X0,X1) )
     => disjoint(X0,X2) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t63_xboole_1) ).

fof(f6126,plain,
    subset(relation_rng(sK12),relation_field(sK12)),
    inference(superposition,[],[f849,f6113]) ).

fof(f6113,plain,
    relation_field(sK12) = set_union2(relation_dom(sK12),relation_rng(sK12)),
    inference(resolution,[],[f522,f420]) ).

fof(f522,plain,
    ! [X0] :
      ( ~ relation(X0)
      | relation_field(X0) = set_union2(relation_dom(X0),relation_rng(X0)) ),
    inference(cnf_transformation,[],[f219]) ).

fof(f219,plain,
    ! [X0] :
      ( relation_field(X0) = set_union2(relation_dom(X0),relation_rng(X0))
      | ~ relation(X0) ),
    inference(ennf_transformation,[],[f25]) ).

fof(f25,axiom,
    ! [X0] :
      ( relation(X0)
     => relation_field(X0) = set_union2(relation_dom(X0),relation_rng(X0)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d6_relat_1) ).

fof(f849,plain,
    ! [X0,X1] : subset(X0,set_union2(X1,X0)),
    inference(superposition,[],[f436,f552]) ).

fof(f552,plain,
    ! [X0,X1] : set_union2(X0,X1) = set_union2(X1,X0),
    inference(cnf_transformation,[],[f4]) ).

fof(f4,axiom,
    ! [X0,X1] : set_union2(X0,X1) = set_union2(X1,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutativity_k2_xboole_0) ).

fof(f436,plain,
    ! [X0,X1] : subset(X0,set_union2(X0,X1)),
    inference(cnf_transformation,[],[f143]) ).

fof(f143,axiom,
    ! [X0,X1] : subset(X0,set_union2(X0,X1)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t7_xboole_1) ).

fof(f7265,plain,
    ( in(sK11,relation_rng(sK12))
    | ~ relation(sK12) ),
    inference(resolution,[],[f485,f421]) ).

fof(f421,plain,
    in(ordered_pair(sK10,sK11),sK12),
    inference(cnf_transformation,[],[f282]) ).

fof(f485,plain,
    ! [X2,X0,X1] :
      ( ~ in(ordered_pair(X0,X1),X2)
      | in(X1,relation_rng(X2))
      | ~ relation(X2) ),
    inference(cnf_transformation,[],[f196]) ).

fof(f196,plain,
    ! [X0,X1,X2] :
      ( ( in(X1,relation_rng(X2))
        & in(X0,relation_dom(X2)) )
      | ~ in(ordered_pair(X0,X1),X2)
      | ~ relation(X2) ),
    inference(flattening,[],[f195]) ).

fof(f195,plain,
    ! [X0,X1,X2] :
      ( ( in(X1,relation_rng(X2))
        & in(X0,relation_dom(X2)) )
      | ~ in(ordered_pair(X0,X1),X2)
      | ~ relation(X2) ),
    inference(ennf_transformation,[],[f99]) ).

fof(f99,axiom,
    ! [X0,X1,X2] :
      ( relation(X2)
     => ( in(ordered_pair(X0,X1),X2)
       => ( in(X1,relation_rng(X2))
          & in(X0,relation_dom(X2)) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t20_relat_1) ).

fof(f7221,plain,
    spl55_1,
    inference(avatar_contradiction_clause,[],[f7220]) ).

fof(f7220,plain,
    ( $false
    | spl55_1 ),
    inference(subsumption_resolution,[],[f7219,f420]) ).

fof(f7219,plain,
    ( ~ relation(sK12)
    | spl55_1 ),
    inference(subsumption_resolution,[],[f7192,f6162]) ).

fof(f6162,plain,
    ( ~ in(sK10,relation_dom(sK12))
    | spl55_1 ),
    inference(resolution,[],[f6119,f4729]) ).

fof(f4729,plain,
    ( ! [X0] :
        ( ~ subset(X0,relation_field(sK12))
        | ~ in(sK10,X0) )
    | spl55_1 ),
    inference(resolution,[],[f4509,f483]) ).

fof(f4509,plain,
    ( ! [X0] :
        ( disjoint(singleton(sK10),X0)
        | ~ subset(X0,relation_field(sK12)) )
    | spl55_1 ),
    inference(resolution,[],[f4305,f572]) ).

fof(f4305,plain,
    ( ! [X0] :
        ( disjoint(X0,singleton(sK10))
        | ~ subset(X0,relation_field(sK12)) )
    | spl55_1 ),
    inference(resolution,[],[f494,f4027]) ).

fof(f4027,plain,
    ( disjoint(relation_field(sK12),singleton(sK10))
    | spl55_1 ),
    inference(trivial_inequality_removal,[],[f4005]) ).

fof(f4005,plain,
    ( relation_field(sK12) != relation_field(sK12)
    | disjoint(relation_field(sK12),singleton(sK10))
    | spl55_1 ),
    inference(superposition,[],[f465,f3977]) ).

fof(f3977,plain,
    ( relation_field(sK12) = set_difference(relation_field(sK12),singleton(sK10))
    | spl55_1 ),
    inference(resolution,[],[f481,f785]) ).

fof(f785,plain,
    ( ~ in(sK10,relation_field(sK12))
    | spl55_1 ),
    inference(avatar_component_clause,[],[f783]) ).

fof(f783,plain,
    ( spl55_1
  <=> in(sK10,relation_field(sK12)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl55_1])]) ).

fof(f6119,plain,
    subset(relation_dom(sK12),relation_field(sK12)),
    inference(superposition,[],[f436,f6113]) ).

fof(f7192,plain,
    ( in(sK10,relation_dom(sK12))
    | ~ relation(sK12) ),
    inference(resolution,[],[f484,f421]) ).

fof(f484,plain,
    ! [X2,X0,X1] :
      ( ~ in(ordered_pair(X0,X1),X2)
      | in(X0,relation_dom(X2))
      | ~ relation(X2) ),
    inference(cnf_transformation,[],[f196]) ).

fof(f6201,plain,
    ( ~ spl55_11
    | ~ spl55_12
    | spl55_9 ),
    inference(avatar_split_clause,[],[f6159,f5646,f6198,f6194]) ).

fof(f6194,plain,
    ( spl55_11
  <=> relation(relation_dom(sK12)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl55_11])]) ).

fof(f6198,plain,
    ( spl55_12
  <=> relation(relation_rng(sK12)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl55_12])]) ).

fof(f5646,plain,
    ( spl55_9
  <=> relation(relation_field(sK12)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl55_9])]) ).

fof(f6159,plain,
    ( ~ relation(relation_rng(sK12))
    | ~ relation(relation_dom(sK12))
    | spl55_9 ),
    inference(subsumption_resolution,[],[f6123,f5647]) ).

fof(f5647,plain,
    ( ~ relation(relation_field(sK12))
    | spl55_9 ),
    inference(avatar_component_clause,[],[f5646]) ).

fof(f6123,plain,
    ( relation(relation_field(sK12))
    | ~ relation(relation_rng(sK12))
    | ~ relation(relation_dom(sK12)) ),
    inference(superposition,[],[f594,f6113]) ).

fof(f594,plain,
    ! [X0,X1] :
      ( relation(set_union2(X0,X1))
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(cnf_transformation,[],[f249]) ).

fof(f249,plain,
    ! [X0,X1] :
      ( relation(set_union2(X0,X1))
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(flattening,[],[f248]) ).

fof(f248,plain,
    ! [X0,X1] :
      ( relation(set_union2(X0,X1))
      | ~ relation(X1)
      | ~ relation(X0) ),
    inference(ennf_transformation,[],[f54]) ).

fof(f54,axiom,
    ! [X0,X1] :
      ( ( relation(X1)
        & relation(X0) )
     => relation(set_union2(X0,X1)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc2_relat_1) ).

fof(f5653,plain,
    ( spl55_9
    | ~ spl55_10
    | spl55_1 ),
    inference(avatar_split_clause,[],[f4253,f783,f5650,f5646]) ).

fof(f5650,plain,
    ( spl55_10
  <=> in(sK24(relation_field(sK12)),singleton(sK10)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl55_10])]) ).

fof(f4253,plain,
    ( ~ in(sK24(relation_field(sK12)),singleton(sK10))
    | relation(relation_field(sK12))
    | spl55_1 ),
    inference(resolution,[],[f4032,f533]) ).

fof(f533,plain,
    ! [X0] :
      ( in(sK24(X0),X0)
      | relation(X0) ),
    inference(cnf_transformation,[],[f327]) ).

fof(f327,plain,
    ! [X0] :
      ( ( relation(X0)
        | ( ! [X2,X3] : ordered_pair(X2,X3) != sK24(X0)
          & in(sK24(X0),X0) ) )
      & ( ! [X4] :
            ( ordered_pair(sK25(X4),sK26(X4)) = X4
            | ~ in(X4,X0) )
        | ~ relation(X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK24,sK25,sK26])],[f324,f326,f325]) ).

fof(f325,plain,
    ! [X0] :
      ( ? [X1] :
          ( ! [X2,X3] : ordered_pair(X2,X3) != X1
          & in(X1,X0) )
     => ( ! [X3,X2] : ordered_pair(X2,X3) != sK24(X0)
        & in(sK24(X0),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f326,plain,
    ! [X4] :
      ( ? [X5,X6] : ordered_pair(X5,X6) = X4
     => ordered_pair(sK25(X4),sK26(X4)) = X4 ),
    introduced(choice_axiom,[]) ).

fof(f324,plain,
    ! [X0] :
      ( ( relation(X0)
        | ? [X1] :
            ( ! [X2,X3] : ordered_pair(X2,X3) != X1
            & in(X1,X0) ) )
      & ( ! [X4] :
            ( ? [X5,X6] : ordered_pair(X5,X6) = X4
            | ~ in(X4,X0) )
        | ~ relation(X0) ) ),
    inference(rectify,[],[f323]) ).

fof(f323,plain,
    ! [X0] :
      ( ( relation(X0)
        | ? [X1] :
            ( ! [X2,X3] : ordered_pair(X2,X3) != X1
            & in(X1,X0) ) )
      & ( ! [X1] :
            ( ? [X2,X3] : ordered_pair(X2,X3) = X1
            | ~ in(X1,X0) )
        | ~ relation(X0) ) ),
    inference(nnf_transformation,[],[f223]) ).

fof(f223,plain,
    ! [X0] :
      ( relation(X0)
    <=> ! [X1] :
          ( ? [X2,X3] : ordered_pair(X2,X3) = X1
          | ~ in(X1,X0) ) ),
    inference(ennf_transformation,[],[f7]) ).

fof(f7,axiom,
    ! [X0] :
      ( relation(X0)
    <=> ! [X1] :
          ~ ( ! [X2,X3] : ordered_pair(X2,X3) != X1
            & in(X1,X0) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_relat_1) ).

fof(f4032,plain,
    ( ! [X0] :
        ( ~ in(X0,relation_field(sK12))
        | ~ in(X0,singleton(sK10)) )
    | spl55_1 ),
    inference(resolution,[],[f4027,f446]) ).

fof(f446,plain,
    ! [X2,X0,X1] :
      ( ~ disjoint(X0,X1)
      | ~ in(X2,X1)
      | ~ in(X2,X0) ),
    inference(cnf_transformation,[],[f289]) ).

fof(f289,plain,
    ! [X0,X1] :
      ( ( ~ disjoint(X0,X1)
        | ! [X2] :
            ( ~ in(X2,X1)
            | ~ in(X2,X0) ) )
      & ( ( in(sK15(X0,X1),X1)
          & in(sK15(X0,X1),X0) )
        | disjoint(X0,X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK15])],[f174,f288]) ).

fof(f288,plain,
    ! [X0,X1] :
      ( ? [X3] :
          ( in(X3,X1)
          & in(X3,X0) )
     => ( in(sK15(X0,X1),X1)
        & in(sK15(X0,X1),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f174,plain,
    ! [X0,X1] :
      ( ( ~ disjoint(X0,X1)
        | ! [X2] :
            ( ~ in(X2,X1)
            | ~ in(X2,X0) ) )
      & ( ? [X3] :
            ( in(X3,X1)
            & in(X3,X0) )
        | disjoint(X0,X1) ) ),
    inference(ennf_transformation,[],[f154]) ).

fof(f154,plain,
    ! [X0,X1] :
      ( ~ ( disjoint(X0,X1)
          & ? [X2] :
              ( in(X2,X1)
              & in(X2,X0) ) )
      & ~ ( ! [X3] :
              ~ ( in(X3,X1)
                & in(X3,X0) )
          & ~ disjoint(X0,X1) ) ),
    inference(rectify,[],[f120]) ).

fof(f120,axiom,
    ! [X0,X1] :
      ( ~ ( disjoint(X0,X1)
          & ? [X2] :
              ( in(X2,X1)
              & in(X2,X0) ) )
      & ~ ( ! [X2] :
              ~ ( in(X2,X1)
                & in(X2,X0) )
          & ~ disjoint(X0,X1) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t3_xboole_0) ).

fof(f5032,plain,
    ( ~ spl55_7
    | ~ spl55_8
    | spl55_1 ),
    inference(avatar_split_clause,[],[f5002,f783,f5029,f5025]) ).

fof(f5025,plain,
    ( spl55_7
  <=> empty(sK10) ),
    introduced(avatar_definition,[new_symbols(naming,[spl55_7])]) ).

fof(f5029,plain,
    ( spl55_8
  <=> in(empty_set,relation_field(sK12)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl55_8])]) ).

fof(f5002,plain,
    ( ~ in(empty_set,relation_field(sK12))
    | ~ empty(sK10)
    | spl55_1 ),
    inference(resolution,[],[f4747,f3471]) ).

fof(f3471,plain,
    ! [X0] :
      ( in(X0,singleton(empty_set))
      | ~ empty(X0) ),
    inference(subsumption_resolution,[],[f3469,f512]) ).

fof(f512,plain,
    ! [X0] : ~ empty(singleton(X0)),
    inference(cnf_transformation,[],[f55]) ).

fof(f55,axiom,
    ! [X0] : ~ empty(singleton(X0)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc2_subset_1) ).

fof(f3469,plain,
    ! [X0] :
      ( ~ empty(X0)
      | in(X0,singleton(empty_set))
      | empty(singleton(empty_set)) ),
    inference(resolution,[],[f3466,f554]) ).

fof(f554,plain,
    ! [X0,X1] :
      ( ~ element(X1,X0)
      | in(X1,X0)
      | empty(X0) ),
    inference(cnf_transformation,[],[f340]) ).

fof(f340,plain,
    ! [X0,X1] :
      ( ( ( ( element(X1,X0)
            | ~ empty(X1) )
          & ( empty(X1)
            | ~ element(X1,X0) ) )
        | ~ empty(X0) )
      & ( ( ( element(X1,X0)
            | ~ in(X1,X0) )
          & ( in(X1,X0)
            | ~ element(X1,X0) ) )
        | empty(X0) ) ),
    inference(nnf_transformation,[],[f226]) ).

fof(f226,plain,
    ! [X0,X1] :
      ( ( ( element(X1,X0)
        <=> empty(X1) )
        | ~ empty(X0) )
      & ( ( element(X1,X0)
        <=> in(X1,X0) )
        | empty(X0) ) ),
    inference(ennf_transformation,[],[f12]) ).

fof(f12,axiom,
    ! [X0,X1] :
      ( ( empty(X0)
       => ( element(X1,X0)
        <=> empty(X1) ) )
      & ( ~ empty(X0)
       => ( element(X1,X0)
        <=> in(X1,X0) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d2_subset_1) ).

fof(f3466,plain,
    ! [X0] :
      ( element(X0,singleton(empty_set))
      | ~ empty(X0) ),
    inference(superposition,[],[f3453,f423]) ).

fof(f423,plain,
    powerset(empty_set) = singleton(empty_set),
    inference(cnf_transformation,[],[f98]) ).

fof(f98,axiom,
    powerset(empty_set) = singleton(empty_set),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t1_zfmisc_1) ).

fof(f3453,plain,
    ! [X0,X1] :
      ( element(X0,powerset(X1))
      | ~ empty(X0) ),
    inference(resolution,[],[f462,f625]) ).

fof(f625,plain,
    ! [X0,X1] :
      ( ~ in(X0,X1)
      | ~ empty(X1) ),
    inference(cnf_transformation,[],[f255]) ).

fof(f255,plain,
    ! [X0,X1] :
      ( ~ empty(X1)
      | ~ in(X0,X1) ),
    inference(ennf_transformation,[],[f142]) ).

fof(f142,axiom,
    ! [X0,X1] :
      ~ ( empty(X1)
        & in(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t7_boole) ).

fof(f462,plain,
    ! [X0,X1] :
      ( in(sK16(X0,X1),X0)
      | element(X0,powerset(X1)) ),
    inference(cnf_transformation,[],[f292]) ).

fof(f292,plain,
    ! [X0,X1] :
      ( element(X0,powerset(X1))
      | ( ~ in(sK16(X0,X1),X1)
        & in(sK16(X0,X1),X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK16])],[f192,f291]) ).

fof(f291,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ~ in(X2,X1)
          & in(X2,X0) )
     => ( ~ in(sK16(X0,X1),X1)
        & in(sK16(X0,X1),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f192,plain,
    ! [X0,X1] :
      ( element(X0,powerset(X1))
      | ? [X2] :
          ( ~ in(X2,X1)
          & in(X2,X0) ) ),
    inference(ennf_transformation,[],[f76]) ).

fof(f76,axiom,
    ! [X0,X1] :
      ( ! [X2] :
          ( in(X2,X0)
         => in(X2,X1) )
     => element(X0,powerset(X1)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l71_subset_1) ).

fof(f4747,plain,
    ( ! [X0] :
        ( ~ in(sK10,singleton(X0))
        | ~ in(X0,relation_field(sK12)) )
    | spl55_1 ),
    inference(resolution,[],[f4729,f473]) ).

fof(f473,plain,
    ! [X0,X1] :
      ( subset(singleton(X0),X1)
      | ~ in(X0,X1) ),
    inference(cnf_transformation,[],[f298]) ).

fof(f298,plain,
    ! [X0,X1] :
      ( ( subset(singleton(X0),X1)
        | ~ in(X0,X1) )
      & ( in(X0,X1)
        | ~ subset(singleton(X0),X1) ) ),
    inference(nnf_transformation,[],[f69]) ).

fof(f69,axiom,
    ! [X0,X1] :
      ( subset(singleton(X0),X1)
    <=> in(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l2_zfmisc_1) ).

fof(f4843,plain,
    ( spl55_5
    | ~ spl55_6
    | spl55_1 ),
    inference(avatar_split_clause,[],[f4694,f783,f4840,f4836]) ).

fof(f4836,plain,
    ( spl55_5
  <=> empty(relation_field(sK12)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl55_5])]) ).

fof(f4840,plain,
    ( spl55_6
  <=> subset(relation_field(sK12),singleton(sK10)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl55_6])]) ).

fof(f4694,plain,
    ( ~ subset(relation_field(sK12),singleton(sK10))
    | empty(relation_field(sK12))
    | spl55_1 ),
    inference(resolution,[],[f4303,f2208]) ).

fof(f2208,plain,
    ! [X0] :
      ( ~ disjoint(X0,X0)
      | empty(X0) ),
    inference(superposition,[],[f2170,f548]) ).

fof(f548,plain,
    ! [X0] : set_intersection2(X0,X0) = X0,
    inference(cnf_transformation,[],[f158]) ).

fof(f158,plain,
    ! [X0] : set_intersection2(X0,X0) = X0,
    inference(rectify,[],[f61]) ).

fof(f61,axiom,
    ! [X0,X1] : set_intersection2(X0,X0) = X0,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',idempotence_k3_xboole_0) ).

fof(f2170,plain,
    ! [X0,X1] :
      ( empty(set_intersection2(X0,X1))
      | ~ disjoint(X0,X1) ),
    inference(resolution,[],[f2145,f443]) ).

fof(f443,plain,
    ! [X2,X0,X1] :
      ( ~ in(X2,set_intersection2(X0,X1))
      | ~ disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f287]) ).

fof(f287,plain,
    ! [X0,X1] :
      ( ( ~ disjoint(X0,X1)
        | ! [X2] : ~ in(X2,set_intersection2(X0,X1)) )
      & ( in(sK14(X0,X1),set_intersection2(X0,X1))
        | disjoint(X0,X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK14])],[f173,f286]) ).

fof(f286,plain,
    ! [X0,X1] :
      ( ? [X3] : in(X3,set_intersection2(X0,X1))
     => in(sK14(X0,X1),set_intersection2(X0,X1)) ),
    introduced(choice_axiom,[]) ).

fof(f173,plain,
    ! [X0,X1] :
      ( ( ~ disjoint(X0,X1)
        | ! [X2] : ~ in(X2,set_intersection2(X0,X1)) )
      & ( ? [X3] : in(X3,set_intersection2(X0,X1))
        | disjoint(X0,X1) ) ),
    inference(ennf_transformation,[],[f153]) ).

fof(f153,plain,
    ! [X0,X1] :
      ( ~ ( disjoint(X0,X1)
          & ? [X2] : in(X2,set_intersection2(X0,X1)) )
      & ~ ( ! [X3] : ~ in(X3,set_intersection2(X0,X1))
          & ~ disjoint(X0,X1) ) ),
    inference(rectify,[],[f132]) ).

fof(f132,axiom,
    ! [X0,X1] :
      ( ~ ( disjoint(X0,X1)
          & ? [X2] : in(X2,set_intersection2(X0,X1)) )
      & ~ ( ! [X2] : ~ in(X2,set_intersection2(X0,X1))
          & ~ disjoint(X0,X1) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t4_xboole_0) ).

fof(f2145,plain,
    ! [X0] :
      ( in(sK28(X0),X0)
      | empty(X0) ),
    inference(resolution,[],[f554,f537]) ).

fof(f537,plain,
    ! [X0] : element(sK28(X0),X0),
    inference(cnf_transformation,[],[f333]) ).

fof(f333,plain,
    ! [X0] : element(sK28(X0),X0),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK28])],[f50,f332]) ).

fof(f332,plain,
    ! [X0] :
      ( ? [X1] : element(X1,X0)
     => element(sK28(X0),X0) ),
    introduced(choice_axiom,[]) ).

fof(f50,axiom,
    ! [X0] :
    ? [X1] : element(X1,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',existence_m1_subset_1) ).

fof(f4303,plain,
    ( ! [X0] :
        ( disjoint(X0,relation_field(sK12))
        | ~ subset(X0,singleton(sK10)) )
    | spl55_1 ),
    inference(resolution,[],[f494,f4035]) ).

fof(f4035,plain,
    ( disjoint(singleton(sK10),relation_field(sK12))
    | spl55_1 ),
    inference(resolution,[],[f4027,f572]) ).

fof(f2761,plain,
    ( ~ spl55_3
    | spl55_4 ),
    inference(avatar_split_clause,[],[f2752,f2758,f2754]) ).

fof(f2754,plain,
    ( spl55_3
  <=> sP1(empty_set,empty_set) ),
    introduced(avatar_definition,[new_symbols(naming,[spl55_3])]) ).

fof(f2758,plain,
    ( spl55_4
  <=> sP0(empty_set,empty_set) ),
    introduced(avatar_definition,[new_symbols(naming,[spl55_4])]) ).

fof(f2752,plain,
    ( sP0(empty_set,empty_set)
    | ~ sP1(empty_set,empty_set) ),
    inference(forward_demodulation,[],[f2751,f687]) ).

fof(f687,plain,
    empty_set = set_meet(empty_set),
    inference(equality_resolution,[],[f686]) ).

fof(f686,plain,
    ! [X0] :
      ( empty_set = set_meet(X0)
      | empty_set != X0 ),
    inference(equality_resolution,[],[f568]) ).

fof(f568,plain,
    ! [X0,X1] :
      ( set_meet(X0) = X1
      | empty_set != X1
      | empty_set != X0 ),
    inference(cnf_transformation,[],[f349]) ).

fof(f349,plain,
    ! [X0,X1] :
      ( ( ( ( set_meet(X0) = X1
            | empty_set != X1 )
          & ( empty_set = X1
            | set_meet(X0) != X1 ) )
        | empty_set != X0 )
      & ( sP1(X1,X0)
        | empty_set = X0 ) ),
    inference(nnf_transformation,[],[f265]) ).

fof(f265,plain,
    ! [X0,X1] :
      ( ( ( set_meet(X0) = X1
        <=> empty_set = X1 )
        | empty_set != X0 )
      & ( sP1(X1,X0)
        | empty_set = X0 ) ),
    inference(definition_folding,[],[f227,f264,f263]) ).

fof(f263,plain,
    ! [X0,X1] :
      ( sP0(X0,X1)
    <=> ! [X2] :
          ( in(X2,X1)
        <=> ! [X3] :
              ( in(X2,X3)
              | ~ in(X3,X0) ) ) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[sP0])]) ).

fof(f264,plain,
    ! [X1,X0] :
      ( ( set_meet(X0) = X1
      <=> sP0(X0,X1) )
      | ~ sP1(X1,X0) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[sP1])]) ).

fof(f227,plain,
    ! [X0,X1] :
      ( ( ( set_meet(X0) = X1
        <=> empty_set = X1 )
        | empty_set != X0 )
      & ( ( set_meet(X0) = X1
        <=> ! [X2] :
              ( in(X2,X1)
            <=> ! [X3] :
                  ( in(X2,X3)
                  | ~ in(X3,X0) ) ) )
        | empty_set = X0 ) ),
    inference(ennf_transformation,[],[f8]) ).

fof(f8,axiom,
    ! [X0,X1] :
      ( ( empty_set = X0
       => ( set_meet(X0) = X1
        <=> empty_set = X1 ) )
      & ( empty_set != X0
       => ( set_meet(X0) = X1
        <=> ! [X2] :
              ( in(X2,X1)
            <=> ! [X3] :
                  ( in(X3,X0)
                 => in(X2,X3) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_setfam_1) ).

fof(f2751,plain,
    ( ~ sP1(empty_set,empty_set)
    | sP0(empty_set,set_meet(empty_set)) ),
    inference(superposition,[],[f685,f687]) ).

fof(f685,plain,
    ! [X1] :
      ( ~ sP1(set_meet(X1),X1)
      | sP0(X1,set_meet(X1)) ),
    inference(equality_resolution,[],[f558]) ).

fof(f558,plain,
    ! [X0,X1] :
      ( sP0(X1,X0)
      | set_meet(X1) != X0
      | ~ sP1(X0,X1) ),
    inference(cnf_transformation,[],[f342]) ).

fof(f342,plain,
    ! [X0,X1] :
      ( ( ( set_meet(X1) = X0
          | ~ sP0(X1,X0) )
        & ( sP0(X1,X0)
          | set_meet(X1) != X0 ) )
      | ~ sP1(X0,X1) ),
    inference(rectify,[],[f341]) ).

fof(f341,plain,
    ! [X1,X0] :
      ( ( ( set_meet(X0) = X1
          | ~ sP0(X0,X1) )
        & ( sP0(X0,X1)
          | set_meet(X0) != X1 ) )
      | ~ sP1(X1,X0) ),
    inference(nnf_transformation,[],[f264]) ).

fof(f790,plain,
    ( ~ spl55_1
    | ~ spl55_2 ),
    inference(avatar_split_clause,[],[f422,f787,f783]) ).

fof(f422,plain,
    ( ~ in(sK11,relation_field(sK12))
    | ~ in(sK10,relation_field(sK12)) ),
    inference(cnf_transformation,[],[f282]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem    : SEU180+2 : TPTP v8.1.2. Released v3.3.0.
% 0.14/0.14  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.14/0.35  % Computer : n006.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit   : 300
% 0.14/0.35  % WCLimit    : 300
% 0.14/0.35  % DateTime   : Fri May  3 11:13:34 EDT 2024
% 0.14/0.35  % CPUTime    : 
% 0.21/0.35  % (27190)Running in auto input_syntax mode. Trying TPTP
% 0.21/0.37  % (27198)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.21/0.37  % (27197)WARNING: value z3 for option sas not known
% 0.21/0.37  % (27195)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.21/0.37  % (27196)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.21/0.37  % (27197)dis+2_11_add=large:afr=on:amm=off:bd=off:bce=on:fsd=off:fde=none:gs=on:gsaa=full_model:gsem=off:irw=on:msp=off:nm=4:nwc=1.3:sas=z3:sims=off:sac=on:sp=reverse_arity_569 on theBenchmark for (569ds/0Mi)
% 0.21/0.37  % (27199)ott+10_10:1_add=off:afr=on:amm=off:anc=all:bd=off:bs=on:fsr=off:irw=on:lma=on:msp=off:nm=4:nwc=4.0:sac=on:sp=reverse_frequency_531 on theBenchmark for (531ds/0Mi)
% 0.21/0.37  % (27200)ott-10_8_av=off:bd=preordered:bs=on:fsd=off:fsr=off:fde=unused:irw=on:lcm=predicate:lma=on:nm=4:nwc=1.7:sp=frequency_522 on theBenchmark for (522ds/0Mi)
% 0.21/0.37  % (27201)ott+1_64_av=off:bd=off:bce=on:fsd=off:fde=unused:gsp=on:irw=on:lcm=predicate:lma=on:nm=2:nwc=1.1:sims=off:urr=on_497 on theBenchmark for (497ds/0Mi)
% 0.21/0.39  TRYING [1]
% 0.21/0.39  TRYING [2]
% 0.21/0.40  TRYING [3]
% 0.21/0.45  TRYING [1]
% 0.21/0.46  TRYING [4]
% 0.21/0.47  TRYING [2]
% 0.21/0.54  % (27197)First to succeed.
% 0.21/0.54  % (27197)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-27190"
% 0.21/0.54  % (27197)Refutation found. Thanks to Tanya!
% 0.21/0.54  % SZS status Theorem for theBenchmark
% 0.21/0.54  % SZS output start Proof for theBenchmark
% See solution above
% 0.21/0.54  % (27197)------------------------------
% 0.21/0.54  % (27197)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.21/0.54  % (27197)Termination reason: Refutation
% 0.21/0.54  
% 0.21/0.54  % (27197)Memory used [KB]: 4086
% 0.21/0.54  % (27197)Time elapsed: 0.167 s
% 0.21/0.54  % (27197)Instructions burned: 350 (million)
% 0.21/0.54  % (27190)Success in time 0.187 s
%------------------------------------------------------------------------------