TSTP Solution File: SET961+1 by Vampire---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire---4.8
% Problem  : SET961+1 : TPTP v8.1.2. Bugfixed v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s

% Computer : n029.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 : Thu Aug 31 15:46:31 EDT 2023

% Result   : Theorem 0.19s 0.42s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   59 (   8 unt;   0 def)
%            Number of atoms       :  174 (  53 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :  204 (  89   ~;  74   |;  27   &)
%                                         (   7 <=>;   6  =>;   0  <=;   1 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    7 (   5 usr;   5 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   3 con; 0-2 aty)
%            Number of variables   :   84 (;  72   !;  12   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f170,plain,
    $false,
    inference(avatar_sat_refutation,[],[f153,f154,f161,f162,f169]) ).

fof(f169,plain,
    ~ spl6_4,
    inference(avatar_contradiction_clause,[],[f168]) ).

fof(f168,plain,
    ( $false
    | ~ spl6_4 ),
    inference(subsumption_resolution,[],[f165,f34]) ).

fof(f34,plain,
    empty_set != sK1,
    inference(cnf_transformation,[],[f18]) ).

fof(f18,plain,
    ( sK0 != sK1
    & empty_set != sK1
    & empty_set != sK0
    & cartesian_product2(sK0,sK1) = cartesian_product2(sK1,sK0) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f14,f17]) ).

fof(f17,plain,
    ( ? [X0,X1] :
        ( X0 != X1
        & empty_set != X1
        & empty_set != X0
        & cartesian_product2(X0,X1) = cartesian_product2(X1,X0) )
   => ( sK0 != sK1
      & empty_set != sK1
      & empty_set != sK0
      & cartesian_product2(sK0,sK1) = cartesian_product2(sK1,sK0) ) ),
    introduced(choice_axiom,[]) ).

fof(f14,plain,
    ? [X0,X1] :
      ( X0 != X1
      & empty_set != X1
      & empty_set != X0
      & cartesian_product2(X0,X1) = cartesian_product2(X1,X0) ),
    inference(flattening,[],[f13]) ).

fof(f13,plain,
    ? [X0,X1] :
      ( X0 != X1
      & empty_set != X1
      & empty_set != X0
      & cartesian_product2(X0,X1) = cartesian_product2(X1,X0) ),
    inference(ennf_transformation,[],[f11]) ).

fof(f11,negated_conjecture,
    ~ ! [X0,X1] :
        ( cartesian_product2(X0,X1) = cartesian_product2(X1,X0)
       => ( X0 = X1
          | empty_set = X1
          | empty_set = X0 ) ),
    inference(negated_conjecture,[],[f10]) ).

fof(f10,conjecture,
    ! [X0,X1] :
      ( cartesian_product2(X0,X1) = cartesian_product2(X1,X0)
     => ( X0 = X1
        | empty_set = X1
        | empty_set = X0 ) ),
    file('/export/starexec/sandbox2/tmp/tmp.KEb1HjMbXT/Vampire---4.8_9416',t114_zfmisc_1) ).

fof(f165,plain,
    ( empty_set = sK1
    | ~ spl6_4 ),
    inference(resolution,[],[f103,f71]) ).

fof(f71,plain,
    ! [X4] :
      ( in(sK3(X4,empty_set),X4)
      | empty_set = X4 ),
    inference(resolution,[],[f43,f50]) ).

fof(f50,plain,
    ! [X2] : ~ in(X2,empty_set),
    inference(equality_resolution,[],[f37]) ).

fof(f37,plain,
    ! [X2,X0] :
      ( ~ in(X2,X0)
      | empty_set != X0 ),
    inference(cnf_transformation,[],[f22]) ).

fof(f22,plain,
    ! [X0] :
      ( ( empty_set = X0
        | in(sK2(X0),X0) )
      & ( ! [X2] : ~ in(X2,X0)
        | empty_set != X0 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2])],[f20,f21]) ).

fof(f21,plain,
    ! [X0] :
      ( ? [X1] : in(X1,X0)
     => in(sK2(X0),X0) ),
    introduced(choice_axiom,[]) ).

fof(f20,plain,
    ! [X0] :
      ( ( empty_set = X0
        | ? [X1] : in(X1,X0) )
      & ( ! [X2] : ~ in(X2,X0)
        | empty_set != X0 ) ),
    inference(rectify,[],[f19]) ).

fof(f19,plain,
    ! [X0] :
      ( ( empty_set = X0
        | ? [X1] : in(X1,X0) )
      & ( ! [X1] : ~ in(X1,X0)
        | empty_set != X0 ) ),
    inference(nnf_transformation,[],[f3]) ).

fof(f3,axiom,
    ! [X0] :
      ( empty_set = X0
    <=> ! [X1] : ~ in(X1,X0) ),
    file('/export/starexec/sandbox2/tmp/tmp.KEb1HjMbXT/Vampire---4.8_9416',d1_xboole_0) ).

fof(f43,plain,
    ! [X0,X1] :
      ( in(sK3(X0,X1),X1)
      | X0 = X1
      | in(sK3(X0,X1),X0) ),
    inference(cnf_transformation,[],[f25]) ).

fof(f25,plain,
    ! [X0,X1] :
      ( X0 = X1
      | ( ( ~ in(sK3(X0,X1),X1)
          | ~ in(sK3(X0,X1),X0) )
        & ( in(sK3(X0,X1),X1)
          | in(sK3(X0,X1),X0) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3])],[f23,f24]) ).

fof(f24,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ( ~ in(X2,X1)
            | ~ in(X2,X0) )
          & ( in(X2,X1)
            | in(X2,X0) ) )
     => ( ( ~ in(sK3(X0,X1),X1)
          | ~ in(sK3(X0,X1),X0) )
        & ( in(sK3(X0,X1),X1)
          | in(sK3(X0,X1),X0) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f23,plain,
    ! [X0,X1] :
      ( X0 = X1
      | ? [X2] :
          ( ( ~ in(X2,X1)
            | ~ in(X2,X0) )
          & ( in(X2,X1)
            | in(X2,X0) ) ) ),
    inference(nnf_transformation,[],[f16]) ).

fof(f16,plain,
    ! [X0,X1] :
      ( X0 = X1
      | ? [X2] :
          ( in(X2,X0)
        <~> in(X2,X1) ) ),
    inference(ennf_transformation,[],[f12]) ).

fof(f12,axiom,
    ! [X0,X1] :
      ( ! [X2] :
          ( in(X2,X0)
        <=> in(X2,X1) )
     => X0 = X1 ),
    file('/export/starexec/sandbox2/tmp/tmp.KEb1HjMbXT/Vampire---4.8_9416',t2_tarski) ).

fof(f103,plain,
    ( ! [X10] : ~ in(X10,sK1)
    | ~ spl6_4 ),
    inference(avatar_component_clause,[],[f102]) ).

fof(f102,plain,
    ( spl6_4
  <=> ! [X10] : ~ in(X10,sK1) ),
    introduced(avatar_definition,[new_symbols(naming,[spl6_4])]) ).

fof(f162,plain,
    ( spl6_4
    | spl6_3 ),
    inference(avatar_split_clause,[],[f116,f99,f102]) ).

fof(f99,plain,
    ( spl6_3
  <=> ! [X11] :
        ( ~ in(X11,sK0)
        | in(X11,sK1) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl6_3])]) ).

fof(f116,plain,
    ! [X4,X5] :
      ( ~ in(X4,sK0)
      | ~ in(X5,sK1)
      | in(X4,sK1) ),
    inference(resolution,[],[f90,f46]) ).

fof(f46,plain,
    ! [X2,X3,X0,X1] :
      ( ~ in(ordered_pair(X0,X1),cartesian_product2(X2,X3))
      | in(X1,X3) ),
    inference(cnf_transformation,[],[f27]) ).

fof(f27,plain,
    ! [X0,X1,X2,X3] :
      ( ( in(ordered_pair(X0,X1),cartesian_product2(X2,X3))
        | ~ in(X1,X3)
        | ~ in(X0,X2) )
      & ( ( in(X1,X3)
          & in(X0,X2) )
        | ~ in(ordered_pair(X0,X1),cartesian_product2(X2,X3)) ) ),
    inference(flattening,[],[f26]) ).

fof(f26,plain,
    ! [X0,X1,X2,X3] :
      ( ( in(ordered_pair(X0,X1),cartesian_product2(X2,X3))
        | ~ in(X1,X3)
        | ~ in(X0,X2) )
      & ( ( in(X1,X3)
          & in(X0,X2) )
        | ~ in(ordered_pair(X0,X1),cartesian_product2(X2,X3)) ) ),
    inference(nnf_transformation,[],[f7]) ).

fof(f7,axiom,
    ! [X0,X1,X2,X3] :
      ( in(ordered_pair(X0,X1),cartesian_product2(X2,X3))
    <=> ( in(X1,X3)
        & in(X0,X2) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.KEb1HjMbXT/Vampire---4.8_9416',l55_zfmisc_1) ).

fof(f90,plain,
    ! [X0,X1] :
      ( in(ordered_pair(X0,X1),cartesian_product2(sK0,sK1))
      | ~ in(X1,sK0)
      | ~ in(X0,sK1) ),
    inference(superposition,[],[f47,f32]) ).

fof(f32,plain,
    cartesian_product2(sK0,sK1) = cartesian_product2(sK1,sK0),
    inference(cnf_transformation,[],[f18]) ).

fof(f47,plain,
    ! [X2,X3,X0,X1] :
      ( in(ordered_pair(X0,X1),cartesian_product2(X2,X3))
      | ~ in(X1,X3)
      | ~ in(X0,X2) ),
    inference(cnf_transformation,[],[f27]) ).

fof(f161,plain,
    ~ spl6_1,
    inference(avatar_contradiction_clause,[],[f160]) ).

fof(f160,plain,
    ( $false
    | ~ spl6_1 ),
    inference(subsumption_resolution,[],[f157,f33]) ).

fof(f33,plain,
    empty_set != sK0,
    inference(cnf_transformation,[],[f18]) ).

fof(f157,plain,
    ( empty_set = sK0
    | ~ spl6_1 ),
    inference(resolution,[],[f93,f71]) ).

fof(f93,plain,
    ( ! [X9] : ~ in(X9,sK0)
    | ~ spl6_1 ),
    inference(avatar_component_clause,[],[f92]) ).

fof(f92,plain,
    ( spl6_1
  <=> ! [X9] : ~ in(X9,sK0) ),
    introduced(avatar_definition,[new_symbols(naming,[spl6_1])]) ).

fof(f154,plain,
    ( spl6_2
    | spl6_1 ),
    inference(avatar_split_clause,[],[f117,f92,f95]) ).

fof(f95,plain,
    ( spl6_2
  <=> ! [X8] :
        ( ~ in(X8,sK1)
        | in(X8,sK0) ) ),
    introduced(avatar_definition,[new_symbols(naming,[spl6_2])]) ).

fof(f117,plain,
    ! [X6,X7] :
      ( ~ in(X6,sK0)
      | ~ in(X7,sK1)
      | in(X7,sK0) ),
    inference(resolution,[],[f90,f45]) ).

fof(f45,plain,
    ! [X2,X3,X0,X1] :
      ( ~ in(ordered_pair(X0,X1),cartesian_product2(X2,X3))
      | in(X0,X2) ),
    inference(cnf_transformation,[],[f27]) ).

fof(f153,plain,
    ( ~ spl6_2
    | ~ spl6_3 ),
    inference(avatar_contradiction_clause,[],[f152]) ).

fof(f152,plain,
    ( $false
    | ~ spl6_2
    | ~ spl6_3 ),
    inference(subsumption_resolution,[],[f151,f149]) ).

fof(f149,plain,
    ( ~ in(sK3(sK0,sK1),sK0)
    | ~ spl6_3 ),
    inference(subsumption_resolution,[],[f144,f35]) ).

fof(f35,plain,
    sK0 != sK1,
    inference(cnf_transformation,[],[f18]) ).

fof(f144,plain,
    ( ~ in(sK3(sK0,sK1),sK0)
    | sK0 = sK1
    | ~ spl6_3 ),
    inference(factoring,[],[f124]) ).

fof(f124,plain,
    ( ! [X3] :
        ( ~ in(sK3(X3,sK1),sK0)
        | ~ in(sK3(X3,sK1),X3)
        | sK1 = X3 )
    | ~ spl6_3 ),
    inference(resolution,[],[f100,f44]) ).

fof(f44,plain,
    ! [X0,X1] :
      ( ~ in(sK3(X0,X1),X1)
      | ~ in(sK3(X0,X1),X0)
      | X0 = X1 ),
    inference(cnf_transformation,[],[f25]) ).

fof(f100,plain,
    ( ! [X11] :
        ( in(X11,sK1)
        | ~ in(X11,sK0) )
    | ~ spl6_3 ),
    inference(avatar_component_clause,[],[f99]) ).

fof(f151,plain,
    ( in(sK3(sK0,sK1),sK0)
    | ~ spl6_2
    | ~ spl6_3 ),
    inference(subsumption_resolution,[],[f150,f35]) ).

fof(f150,plain,
    ( sK0 = sK1
    | in(sK3(sK0,sK1),sK0)
    | ~ spl6_2
    | ~ spl6_3 ),
    inference(resolution,[],[f149,f106]) ).

fof(f106,plain,
    ( ! [X0] :
        ( in(sK3(X0,sK1),sK0)
        | sK1 = X0
        | in(sK3(X0,sK1),X0) )
    | ~ spl6_2 ),
    inference(resolution,[],[f96,f43]) ).

fof(f96,plain,
    ( ! [X8] :
        ( ~ in(X8,sK1)
        | in(X8,sK0) )
    | ~ spl6_2 ),
    inference(avatar_component_clause,[],[f95]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem    : SET961+1 : TPTP v8.1.2. Bugfixed v4.0.0.
% 0.00/0.14  % Command    : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s
% 0.12/0.35  % Computer : n029.cluster.edu
% 0.12/0.35  % Model    : x86_64 x86_64
% 0.12/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.35  % Memory   : 8042.1875MB
% 0.12/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.35  % CPULimit   : 300
% 0.12/0.35  % WCLimit    : 300
% 0.12/0.35  % DateTime   : Sat Aug 26 14:33:25 EDT 2023
% 0.12/0.35  % CPUTime    : 
% 0.12/0.35  This is a FOF_THM_RFO_SEQ problem
% 0.12/0.35  Running vampire_casc2023 --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/tmp/tmp.KEb1HjMbXT/Vampire---4.8_9416
% 0.12/0.36  % (9564)Running in auto input_syntax mode. Trying TPTP
% 0.19/0.41  % (9567)ott-4_11_av=off:bd=preordered:bce=on:drc=off:flr=on:fsr=off:lma=on:nwc=2.0:sp=occurrence:tgt=ground:urr=ec_only_1010 on Vampire---4 for (1010ds/0Mi)
% 0.19/0.41  % (9568)lrs+3_20_av=off:bd=preordered:drc=off:fsd=off:fsr=off:fde=unused:irw=on:lcm=reverse:sos=theory:stl=315_961 on Vampire---4 for (961ds/0Mi)
% 0.19/0.41  % (9569)ott+1003_4:1_av=off:cond=on:drc=off:fsd=off:fsr=off:fde=none:gsp=on:nm=2:nwc=1.5:sos=all:sp=reverse_arity:tgt=full_871 on Vampire---4 for (871ds/0Mi)
% 0.19/0.41  % (9570)lrs-11_32_av=off:bd=off:bs=on:bsr=on:drc=off:flr=on:fsd=off:fsr=off:fde=none:gsp=on:irw=on:lcm=predicate:nm=4:sp=scramble:stl=125_825 on Vampire---4 for (825ds/0Mi)
% 0.19/0.41  % (9566)lrs-11_28_aac=none:afr=on:anc=none:bs=on:drc=off:fde=unused:gs=on:nm=2:nwc=1.3:sp=frequency:stl=188_1092 on Vampire---4 for (1092ds/0Mi)
% 0.19/0.41  % (9571)ott+11_14_av=off:bs=on:bsr=on:cond=on:flr=on:fsd=off:fde=unused:gsp=on:nm=4:nwc=1.5:tgt=full_501 on Vampire---4 for (501ds/0Mi)
% 0.19/0.42  % (9566)First to succeed.
% 0.19/0.42  % (9571)Also succeeded, but the first one will report.
% 0.19/0.42  % (9566)Refutation found. Thanks to Tanya!
% 0.19/0.42  % SZS status Theorem for Vampire---4
% 0.19/0.42  % SZS output start Proof for Vampire---4
% See solution above
% 0.19/0.42  % (9566)------------------------------
% 0.19/0.42  % (9566)Version: Vampire 4.7 (commit 05ef610bd on 2023-06-21 19:03:17 +0100)
% 0.19/0.42  % (9566)Linked with Z3 4.9.1.0 6ed071b44407cf6623b8d3c0dceb2a8fb7040cee z3-4.8.4-6427-g6ed071b44
% 0.19/0.42  % (9566)Termination reason: Refutation
% 0.19/0.42  
% 0.19/0.42  % (9566)Memory used [KB]: 9978
% 0.19/0.42  % (9566)Time elapsed: 0.008 s
% 0.19/0.42  % (9566)------------------------------
% 0.19/0.42  % (9566)------------------------------
% 0.19/0.42  % (9564)Success in time 0.065 s
% 0.19/0.42  % Vampire---4.8 exiting
%------------------------------------------------------------------------------