TSTP Solution File: SET587+3 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : SET587+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s

% Computer : n027.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 18:21:30 EDT 2022

% Result   : Theorem 0.21s 0.52s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   61 (   4 unt;   0 def)
%            Number of atoms       :  183 (  26 equ)
%            Maximal formula atoms :    8 (   3 avg)
%            Number of connectives :  200 (  78   ~;  79   |;  28   &)
%                                         (  11 <=>;   3  =>;   0  <=;   1 <~>)
%            Maximal formula depth :    8 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    8 (   6 usr;   5 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :   77 (  66   !;  11   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f387,plain,
    $false,
    inference(avatar_sat_refutation,[],[f66,f69,f98,f125,f301,f386]) ).

fof(f386,plain,
    ( ~ spl5_1
    | spl5_6 ),
    inference(avatar_contradiction_clause,[],[f382]) ).

fof(f382,plain,
    ( $false
    | ~ spl5_1
    | spl5_6 ),
    inference(unit_resulting_resolution,[],[f354,f355,f99]) ).

fof(f99,plain,
    ( ! [X0] :
        ( ~ member(X0,sK3)
        | member(X0,sK2) )
    | ~ spl5_1 ),
    inference(resolution,[],[f68,f46]) ).

fof(f46,plain,
    ! [X2,X0,X1] :
      ( ~ subset(X1,X0)
      | member(X2,X0)
      | ~ member(X2,X1) ),
    inference(cnf_transformation,[],[f25]) ).

fof(f25,plain,
    ! [X0,X1] :
      ( ( ! [X2] :
            ( member(X2,X0)
            | ~ member(X2,X1) )
        | ~ subset(X1,X0) )
      & ( subset(X1,X0)
        | ( ~ member(sK1(X0,X1),X0)
          & member(sK1(X0,X1),X1) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1])],[f23,f24]) ).

fof(f24,plain,
    ! [X0,X1] :
      ( ? [X3] :
          ( ~ member(X3,X0)
          & member(X3,X1) )
     => ( ~ member(sK1(X0,X1),X0)
        & member(sK1(X0,X1),X1) ) ),
    introduced(choice_axiom,[]) ).

fof(f23,plain,
    ! [X0,X1] :
      ( ( ! [X2] :
            ( member(X2,X0)
            | ~ member(X2,X1) )
        | ~ subset(X1,X0) )
      & ( subset(X1,X0)
        | ? [X3] :
            ( ~ member(X3,X0)
            & member(X3,X1) ) ) ),
    inference(rectify,[],[f22]) ).

fof(f22,plain,
    ! [X1,X0] :
      ( ( ! [X2] :
            ( member(X2,X1)
            | ~ member(X2,X0) )
        | ~ subset(X0,X1) )
      & ( subset(X0,X1)
        | ? [X2] :
            ( ~ member(X2,X1)
            & member(X2,X0) ) ) ),
    inference(nnf_transformation,[],[f13]) ).

fof(f13,plain,
    ! [X1,X0] :
      ( ! [X2] :
          ( member(X2,X1)
          | ~ member(X2,X0) )
    <=> subset(X0,X1) ),
    inference(ennf_transformation,[],[f4]) ).

fof(f4,axiom,
    ! [X0,X1] :
      ( ! [X2] :
          ( member(X2,X0)
         => member(X2,X1) )
    <=> subset(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subset_defn) ).

fof(f68,plain,
    ( subset(sK3,sK2)
    | ~ spl5_1 ),
    inference(avatar_component_clause,[],[f61]) ).

fof(f61,plain,
    ( spl5_1
  <=> subset(sK3,sK2) ),
    introduced(avatar_definition,[new_symbols(naming,[spl5_1])]) ).

fof(f355,plain,
    ( member(sK1(empty_set,difference(sK3,sK2)),sK3)
    | spl5_6 ),
    inference(resolution,[],[f134,f53]) ).

fof(f53,plain,
    ! [X2,X0,X1] :
      ( ~ member(X2,difference(X0,X1))
      | member(X2,X0) ),
    inference(cnf_transformation,[],[f36]) ).

fof(f36,plain,
    ! [X0,X1,X2] :
      ( ( member(X2,difference(X0,X1))
        | member(X2,X1)
        | ~ member(X2,X0) )
      & ( ( ~ member(X2,X1)
          & member(X2,X0) )
        | ~ member(X2,difference(X0,X1)) ) ),
    inference(rectify,[],[f35]) ).

fof(f35,plain,
    ! [X2,X0,X1] :
      ( ( member(X1,difference(X2,X0))
        | member(X1,X0)
        | ~ member(X1,X2) )
      & ( ( ~ member(X1,X0)
          & member(X1,X2) )
        | ~ member(X1,difference(X2,X0)) ) ),
    inference(flattening,[],[f34]) ).

fof(f34,plain,
    ! [X2,X0,X1] :
      ( ( member(X1,difference(X2,X0))
        | member(X1,X0)
        | ~ member(X1,X2) )
      & ( ( ~ member(X1,X0)
          & member(X1,X2) )
        | ~ member(X1,difference(X2,X0)) ) ),
    inference(nnf_transformation,[],[f11]) ).

fof(f11,plain,
    ! [X2,X0,X1] :
      ( member(X1,difference(X2,X0))
    <=> ( ~ member(X1,X0)
        & member(X1,X2) ) ),
    inference(rectify,[],[f2]) ).

fof(f2,axiom,
    ! [X1,X2,X0] :
      ( member(X2,difference(X0,X1))
    <=> ( member(X2,X0)
        & ~ member(X2,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',difference_defn) ).

fof(f134,plain,
    ( member(sK1(empty_set,difference(sK3,sK2)),difference(sK3,sK2))
    | spl5_6 ),
    inference(resolution,[],[f119,f44]) ).

fof(f44,plain,
    ! [X0,X1] :
      ( subset(X1,X0)
      | member(sK1(X0,X1),X1) ),
    inference(cnf_transformation,[],[f25]) ).

fof(f119,plain,
    ( ~ subset(difference(sK3,sK2),empty_set)
    | spl5_6 ),
    inference(avatar_component_clause,[],[f118]) ).

fof(f118,plain,
    ( spl5_6
  <=> subset(difference(sK3,sK2),empty_set) ),
    introduced(avatar_definition,[new_symbols(naming,[spl5_6])]) ).

fof(f354,plain,
    ( ~ member(sK1(empty_set,difference(sK3,sK2)),sK2)
    | spl5_6 ),
    inference(resolution,[],[f134,f54]) ).

fof(f54,plain,
    ! [X2,X0,X1] :
      ( ~ member(X2,difference(X0,X1))
      | ~ member(X2,X1) ),
    inference(cnf_transformation,[],[f36]) ).

fof(f301,plain,
    ( ~ spl5_5
    | ~ spl5_6
    | spl5_2 ),
    inference(avatar_split_clause,[],[f284,f64,f118,f115]) ).

fof(f115,plain,
    ( spl5_5
  <=> subset(empty_set,difference(sK3,sK2)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl5_5])]) ).

fof(f64,plain,
    ( spl5_2
  <=> empty_set = difference(sK3,sK2) ),
    introduced(avatar_definition,[new_symbols(naming,[spl5_2])]) ).

fof(f284,plain,
    ( ~ subset(difference(sK3,sK2),empty_set)
    | ~ subset(empty_set,difference(sK3,sK2))
    | spl5_2 ),
    inference(extensionality_resolution,[],[f37,f65]) ).

fof(f65,plain,
    ( empty_set != difference(sK3,sK2)
    | spl5_2 ),
    inference(avatar_component_clause,[],[f64]) ).

fof(f37,plain,
    ! [X0,X1] :
      ( ~ subset(X0,X1)
      | ~ subset(X1,X0)
      | X0 = X1 ),
    inference(cnf_transformation,[],[f18]) ).

fof(f18,plain,
    ! [X0,X1] :
      ( ( ( subset(X0,X1)
          & subset(X1,X0) )
        | X0 != X1 )
      & ( X0 = X1
        | ~ subset(X0,X1)
        | ~ subset(X1,X0) ) ),
    inference(rectify,[],[f17]) ).

fof(f17,plain,
    ! [X1,X0] :
      ( ( ( subset(X1,X0)
          & subset(X0,X1) )
        | X0 != X1 )
      & ( X0 = X1
        | ~ subset(X1,X0)
        | ~ subset(X0,X1) ) ),
    inference(flattening,[],[f16]) ).

fof(f16,plain,
    ! [X1,X0] :
      ( ( ( subset(X1,X0)
          & subset(X0,X1) )
        | X0 != X1 )
      & ( X0 = X1
        | ~ subset(X1,X0)
        | ~ subset(X0,X1) ) ),
    inference(nnf_transformation,[],[f5]) ).

fof(f5,axiom,
    ! [X1,X0] :
      ( ( subset(X1,X0)
        & subset(X0,X1) )
    <=> X0 = X1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equal_defn) ).

fof(f125,plain,
    spl5_5,
    inference(avatar_contradiction_clause,[],[f122]) ).

fof(f122,plain,
    ( $false
    | spl5_5 ),
    inference(unit_resulting_resolution,[],[f40,f116,f44]) ).

fof(f116,plain,
    ( ~ subset(empty_set,difference(sK3,sK2))
    | spl5_5 ),
    inference(avatar_component_clause,[],[f115]) ).

fof(f40,plain,
    ! [X0] : ~ member(X0,empty_set),
    inference(cnf_transformation,[],[f3]) ).

fof(f3,axiom,
    ! [X0] : ~ member(X0,empty_set),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',empty_set_defn) ).

fof(f98,plain,
    ( spl5_1
    | ~ spl5_2 ),
    inference(avatar_contradiction_clause,[],[f95]) ).

fof(f95,plain,
    ( $false
    | spl5_1
    | ~ spl5_2 ),
    inference(unit_resulting_resolution,[],[f70,f71,f40,f82]) ).

fof(f82,plain,
    ( ! [X0] :
        ( member(X0,empty_set)
        | member(X0,sK2)
        | ~ member(X0,sK3) )
    | ~ spl5_2 ),
    inference(superposition,[],[f55,f67]) ).

fof(f67,plain,
    ( empty_set = difference(sK3,sK2)
    | ~ spl5_2 ),
    inference(avatar_component_clause,[],[f64]) ).

fof(f55,plain,
    ! [X2,X0,X1] :
      ( member(X2,difference(X0,X1))
      | ~ member(X2,X0)
      | member(X2,X1) ),
    inference(cnf_transformation,[],[f36]) ).

fof(f71,plain,
    ( ~ member(sK1(sK2,sK3),sK2)
    | spl5_1 ),
    inference(resolution,[],[f45,f62]) ).

fof(f62,plain,
    ( ~ subset(sK3,sK2)
    | spl5_1 ),
    inference(avatar_component_clause,[],[f61]) ).

fof(f45,plain,
    ! [X0,X1] :
      ( subset(X1,X0)
      | ~ member(sK1(X0,X1),X0) ),
    inference(cnf_transformation,[],[f25]) ).

fof(f70,plain,
    ( member(sK1(sK2,sK3),sK3)
    | spl5_1 ),
    inference(resolution,[],[f44,f62]) ).

fof(f69,plain,
    ( spl5_2
    | spl5_1 ),
    inference(avatar_split_clause,[],[f47,f61,f64]) ).

fof(f47,plain,
    ( subset(sK3,sK2)
    | empty_set = difference(sK3,sK2) ),
    inference(cnf_transformation,[],[f29]) ).

fof(f29,plain,
    ( ( ~ subset(sK3,sK2)
      | empty_set != difference(sK3,sK2) )
    & ( subset(sK3,sK2)
      | empty_set = difference(sK3,sK2) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2,sK3])],[f27,f28]) ).

fof(f28,plain,
    ( ? [X0,X1] :
        ( ( ~ subset(X1,X0)
          | empty_set != difference(X1,X0) )
        & ( subset(X1,X0)
          | empty_set = difference(X1,X0) ) )
   => ( ( ~ subset(sK3,sK2)
        | empty_set != difference(sK3,sK2) )
      & ( subset(sK3,sK2)
        | empty_set = difference(sK3,sK2) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f27,plain,
    ? [X0,X1] :
      ( ( ~ subset(X1,X0)
        | empty_set != difference(X1,X0) )
      & ( subset(X1,X0)
        | empty_set = difference(X1,X0) ) ),
    inference(rectify,[],[f26]) ).

fof(f26,plain,
    ? [X1,X0] :
      ( ( ~ subset(X0,X1)
        | difference(X0,X1) != empty_set )
      & ( subset(X0,X1)
        | difference(X0,X1) = empty_set ) ),
    inference(nnf_transformation,[],[f14]) ).

fof(f14,plain,
    ? [X1,X0] :
      ( difference(X0,X1) = empty_set
    <~> subset(X0,X1) ),
    inference(ennf_transformation,[],[f10]) ).

fof(f10,negated_conjecture,
    ~ ! [X1,X0] :
        ( subset(X0,X1)
      <=> difference(X0,X1) = empty_set ),
    inference(negated_conjecture,[],[f9]) ).

fof(f9,conjecture,
    ! [X1,X0] :
      ( subset(X0,X1)
    <=> difference(X0,X1) = empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_difference_empty_set) ).

fof(f66,plain,
    ( ~ spl5_1
    | ~ spl5_2 ),
    inference(avatar_split_clause,[],[f48,f64,f61]) ).

fof(f48,plain,
    ( empty_set != difference(sK3,sK2)
    | ~ subset(sK3,sK2) ),
    inference(cnf_transformation,[],[f29]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem    : SET587+3 : TPTP v8.1.0. Released v2.2.0.
% 0.03/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.14/0.34  % Computer : n027.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 14:18:16 EDT 2022
% 0.14/0.34  % CPUTime    : 
% 0.21/0.50  % (13333)dis+21_1:1_aac=none:abs=on:er=known:fde=none:fsr=off:nwc=5.0:s2a=on:s2at=4.0:sp=const_frequency:to=lpo:urr=ec_only:i=25:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/25Mi)
% 0.21/0.50  % (13312)dis+1010_1:50_awrs=decay:awrsf=128:nwc=10.0:s2pl=no:sp=frequency:ss=axioms:i=39:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/39Mi)
% 0.21/0.51  % (13311)dis+21_1:1_av=off:sos=on:sp=frequency:ss=included:to=lpo:i=15:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/15Mi)
% 0.21/0.51  % (13317)lrs+10_1:2_br=off:nm=4:ss=included:urr=on:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.21/0.51  % (13326)dis+1010_1:1_bs=on:ep=RS:erd=off:newcnf=on:nwc=10.0:s2a=on:sgt=32:ss=axioms:i=30:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/30Mi)
% 0.21/0.51  % (13333)First to succeed.
% 0.21/0.51  % (13325)dis-10_3:2_amm=sco:ep=RS:fsr=off:nm=10:sd=2:sos=on:ss=axioms:st=3.0:i=11:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/11Mi)
% 0.21/0.51  % (13325)Refutation not found, incomplete strategy% (13325)------------------------------
% 0.21/0.51  % (13325)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.21/0.51  % (13325)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.21/0.51  % (13325)Termination reason: Refutation not found, incomplete strategy
% 0.21/0.51  
% 0.21/0.51  % (13325)Memory used [KB]: 5884
% 0.21/0.51  % (13325)Time elapsed: 0.111 s
% 0.21/0.51  % (13325)Instructions burned: 1 (million)
% 0.21/0.51  % (13325)------------------------------
% 0.21/0.51  % (13325)------------------------------
% 0.21/0.51  % (13327)ott+21_1:1_erd=off:s2a=on:sac=on:sd=1:sgt=64:sos=on:ss=included:st=3.0:to=lpo:urr=on:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.21/0.52  % (13307)lrs+10_1:1_gsp=on:sd=1:sgt=32:sos=on:ss=axioms:i=13:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/13Mi)
% 0.21/0.52  % (13317)Also succeeded, but the first one will report.
% 0.21/0.52  % (13329)dis+10_1:1_av=off:sos=on:sp=reverse_arity:ss=included:st=2.0:to=lpo:urr=ec_only:i=45:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/45Mi)
% 0.21/0.52  % (13333)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  % (13333)------------------------------
% 0.21/0.52  % (13333)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.21/0.52  % (13333)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.21/0.52  % (13333)Termination reason: Refutation
% 0.21/0.52  
% 0.21/0.52  % (13333)Memory used [KB]: 6140
% 0.21/0.52  % (13333)Time elapsed: 0.111 s
% 0.21/0.52  % (13333)Instructions burned: 9 (million)
% 0.21/0.52  % (13333)------------------------------
% 0.21/0.52  % (13333)------------------------------
% 0.21/0.52  % (13303)Success in time 0.166 s
%------------------------------------------------------------------------------