TSTP Solution File: SET931+1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SET931+1 : TPTP v8.1.2. Released v3.2.0.
% 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 : n028.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 : Sat Sep  2 00:05:50 EDT 2023

% Result   : Theorem 0.16s 0.39s
% Output   : Refutation 0.16s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   45 (  14 unt;   0 def)
%            Number of atoms       :  167 ( 140 equ)
%            Maximal formula atoms :   20 (   3 avg)
%            Number of connectives :  198 (  76   ~;  77   |;  38   &)
%                                         (   5 <=>;   1  =>;   0  <=;   1 <~>)
%            Maximal formula depth :   11 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :   62 (;  50   !;  12   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f144,plain,
    $false,
    inference(unit_resulting_resolution,[],[f89,f127,f128,f86,f124,f34]) ).

fof(f34,plain,
    ! [X2,X0,X1] :
      ( ~ subset(X0,unordered_pair(X1,X2))
      | singleton(X2) = X0
      | singleton(X1) = X0
      | empty_set = X0
      | unordered_pair(X1,X2) = X0 ),
    inference(cnf_transformation,[],[f19]) ).

fof(f19,plain,
    ! [X0,X1,X2] :
      ( ( subset(X0,unordered_pair(X1,X2))
        | ( unordered_pair(X1,X2) != X0
          & singleton(X2) != X0
          & singleton(X1) != X0
          & empty_set != X0 ) )
      & ( unordered_pair(X1,X2) = X0
        | singleton(X2) = X0
        | singleton(X1) = X0
        | empty_set = X0
        | ~ subset(X0,unordered_pair(X1,X2)) ) ),
    inference(flattening,[],[f18]) ).

fof(f18,plain,
    ! [X0,X1,X2] :
      ( ( subset(X0,unordered_pair(X1,X2))
        | ( unordered_pair(X1,X2) != X0
          & singleton(X2) != X0
          & singleton(X1) != X0
          & empty_set != X0 ) )
      & ( unordered_pair(X1,X2) = X0
        | singleton(X2) = X0
        | singleton(X1) = X0
        | empty_set = X0
        | ~ subset(X0,unordered_pair(X1,X2)) ) ),
    inference(nnf_transformation,[],[f12]) ).

fof(f12,plain,
    ! [X0,X1,X2] :
      ( subset(X0,unordered_pair(X1,X2))
    <=> ( unordered_pair(X1,X2) = X0
        | singleton(X2) = X0
        | singleton(X1) = X0
        | empty_set = X0 ) ),
    inference(ennf_transformation,[],[f3]) ).

fof(f3,axiom,
    ! [X0,X1,X2] :
      ( subset(X0,unordered_pair(X1,X2))
    <=> ~ ( unordered_pair(X1,X2) != X0
          & singleton(X2) != X0
          & singleton(X1) != X0
          & empty_set != X0 ) ),
    file('/export/starexec/sandbox2/tmp/tmp.ipHghAsRh0/Vampire---4.8_12516',l46_zfmisc_1) ).

fof(f124,plain,
    subset(sK0,unordered_pair(sK1,sK2)),
    inference(subsumption_resolution,[],[f123,f36]) ).

fof(f36,plain,
    ! [X2,X0,X1] :
      ( singleton(X1) != X0
      | subset(X0,unordered_pair(X1,X2)) ),
    inference(cnf_transformation,[],[f19]) ).

fof(f123,plain,
    ( subset(sK0,unordered_pair(sK1,sK2))
    | sK0 = singleton(sK1) ),
    inference(subsumption_resolution,[],[f122,f37]) ).

fof(f37,plain,
    ! [X2,X0,X1] :
      ( singleton(X2) != X0
      | subset(X0,unordered_pair(X1,X2)) ),
    inference(cnf_transformation,[],[f19]) ).

fof(f122,plain,
    ( subset(sK0,unordered_pair(sK1,sK2))
    | sK0 = singleton(sK2)
    | sK0 = singleton(sK1) ),
    inference(subsumption_resolution,[],[f121,f86]) ).

fof(f121,plain,
    ( subset(sK0,unordered_pair(sK1,sK2))
    | sK0 = singleton(sK2)
    | sK0 = singleton(sK1)
    | sK0 = unordered_pair(sK1,sK2) ),
    inference(subsumption_resolution,[],[f120,f89]) ).

fof(f120,plain,
    ( subset(sK0,unordered_pair(sK1,sK2))
    | sK0 = singleton(sK2)
    | sK0 = singleton(sK1)
    | empty_set = sK0
    | sK0 = unordered_pair(sK1,sK2) ),
    inference(trivial_inequality_removal,[],[f119]) ).

fof(f119,plain,
    ( empty_set != empty_set
    | subset(sK0,unordered_pair(sK1,sK2))
    | sK0 = singleton(sK2)
    | sK0 = singleton(sK1)
    | empty_set = sK0
    | sK0 = unordered_pair(sK1,sK2) ),
    inference(superposition,[],[f32,f24]) ).

fof(f24,plain,
    ( empty_set = set_difference(sK0,unordered_pair(sK1,sK2))
    | sK0 = singleton(sK2)
    | sK0 = singleton(sK1)
    | empty_set = sK0
    | sK0 = unordered_pair(sK1,sK2) ),
    inference(cnf_transformation,[],[f16]) ).

fof(f16,plain,
    ( ( ( sK0 != unordered_pair(sK1,sK2)
        & sK0 != singleton(sK2)
        & sK0 != singleton(sK1)
        & empty_set != sK0 )
      | empty_set != set_difference(sK0,unordered_pair(sK1,sK2)) )
    & ( sK0 = unordered_pair(sK1,sK2)
      | sK0 = singleton(sK2)
      | sK0 = singleton(sK1)
      | empty_set = sK0
      | empty_set = set_difference(sK0,unordered_pair(sK1,sK2)) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2])],[f14,f15]) ).

fof(f15,plain,
    ( ? [X0,X1,X2] :
        ( ( ( unordered_pair(X1,X2) != X0
            & singleton(X2) != X0
            & singleton(X1) != X0
            & empty_set != X0 )
          | empty_set != set_difference(X0,unordered_pair(X1,X2)) )
        & ( unordered_pair(X1,X2) = X0
          | singleton(X2) = X0
          | singleton(X1) = X0
          | empty_set = X0
          | empty_set = set_difference(X0,unordered_pair(X1,X2)) ) )
   => ( ( ( sK0 != unordered_pair(sK1,sK2)
          & sK0 != singleton(sK2)
          & sK0 != singleton(sK1)
          & empty_set != sK0 )
        | empty_set != set_difference(sK0,unordered_pair(sK1,sK2)) )
      & ( sK0 = unordered_pair(sK1,sK2)
        | sK0 = singleton(sK2)
        | sK0 = singleton(sK1)
        | empty_set = sK0
        | empty_set = set_difference(sK0,unordered_pair(sK1,sK2)) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f14,plain,
    ? [X0,X1,X2] :
      ( ( ( unordered_pair(X1,X2) != X0
          & singleton(X2) != X0
          & singleton(X1) != X0
          & empty_set != X0 )
        | empty_set != set_difference(X0,unordered_pair(X1,X2)) )
      & ( unordered_pair(X1,X2) = X0
        | singleton(X2) = X0
        | singleton(X1) = X0
        | empty_set = X0
        | empty_set = set_difference(X0,unordered_pair(X1,X2)) ) ),
    inference(flattening,[],[f13]) ).

fof(f13,plain,
    ? [X0,X1,X2] :
      ( ( ( unordered_pair(X1,X2) != X0
          & singleton(X2) != X0
          & singleton(X1) != X0
          & empty_set != X0 )
        | empty_set != set_difference(X0,unordered_pair(X1,X2)) )
      & ( unordered_pair(X1,X2) = X0
        | singleton(X2) = X0
        | singleton(X1) = X0
        | empty_set = X0
        | empty_set = set_difference(X0,unordered_pair(X1,X2)) ) ),
    inference(nnf_transformation,[],[f11]) ).

fof(f11,plain,
    ? [X0,X1,X2] :
      ( empty_set = set_difference(X0,unordered_pair(X1,X2))
    <~> ( unordered_pair(X1,X2) = X0
        | singleton(X2) = X0
        | singleton(X1) = X0
        | empty_set = X0 ) ),
    inference(ennf_transformation,[],[f9]) ).

fof(f9,negated_conjecture,
    ~ ! [X0,X1,X2] :
        ( empty_set = set_difference(X0,unordered_pair(X1,X2))
      <=> ~ ( unordered_pair(X1,X2) != X0
            & singleton(X2) != X0
            & singleton(X1) != X0
            & empty_set != X0 ) ),
    inference(negated_conjecture,[],[f8]) ).

fof(f8,conjecture,
    ! [X0,X1,X2] :
      ( empty_set = set_difference(X0,unordered_pair(X1,X2))
    <=> ~ ( unordered_pair(X1,X2) != X0
          & singleton(X2) != X0
          & singleton(X1) != X0
          & empty_set != X0 ) ),
    file('/export/starexec/sandbox2/tmp/tmp.ipHghAsRh0/Vampire---4.8_12516',t75_zfmisc_1) ).

fof(f32,plain,
    ! [X0,X1] :
      ( empty_set != set_difference(X0,X1)
      | subset(X0,X1) ),
    inference(cnf_transformation,[],[f17]) ).

fof(f17,plain,
    ! [X0,X1] :
      ( ( empty_set = set_difference(X0,X1)
        | ~ subset(X0,X1) )
      & ( subset(X0,X1)
        | empty_set != set_difference(X0,X1) ) ),
    inference(nnf_transformation,[],[f7]) ).

fof(f7,axiom,
    ! [X0,X1] :
      ( empty_set = set_difference(X0,X1)
    <=> subset(X0,X1) ),
    file('/export/starexec/sandbox2/tmp/tmp.ipHghAsRh0/Vampire---4.8_12516',t37_xboole_1) ).

fof(f86,plain,
    sK0 != unordered_pair(sK1,sK2),
    inference(unit_resulting_resolution,[],[f43,f41]) ).

fof(f41,plain,
    ( empty_set != set_difference(sK0,sK0)
    | sK0 != unordered_pair(sK1,sK2) ),
    inference(inner_rewriting,[],[f28]) ).

fof(f28,plain,
    ( sK0 != unordered_pair(sK1,sK2)
    | empty_set != set_difference(sK0,unordered_pair(sK1,sK2)) ),
    inference(cnf_transformation,[],[f16]) ).

fof(f43,plain,
    ! [X0] : empty_set = set_difference(X0,X0),
    inference(unit_resulting_resolution,[],[f30,f33]) ).

fof(f33,plain,
    ! [X0,X1] :
      ( ~ subset(X0,X1)
      | empty_set = set_difference(X0,X1) ),
    inference(cnf_transformation,[],[f17]) ).

fof(f30,plain,
    ! [X0] : subset(X0,X0),
    inference(cnf_transformation,[],[f10]) ).

fof(f10,plain,
    ! [X0] : subset(X0,X0),
    inference(rectify,[],[f6]) ).

fof(f6,axiom,
    ! [X0,X1] : subset(X0,X0),
    file('/export/starexec/sandbox2/tmp/tmp.ipHghAsRh0/Vampire---4.8_12516',reflexivity_r1_tarski) ).

fof(f128,plain,
    sK0 != singleton(sK1),
    inference(unit_resulting_resolution,[],[f125,f26]) ).

fof(f26,plain,
    ( empty_set != set_difference(sK0,unordered_pair(sK1,sK2))
    | sK0 != singleton(sK1) ),
    inference(cnf_transformation,[],[f16]) ).

fof(f125,plain,
    empty_set = set_difference(sK0,unordered_pair(sK1,sK2)),
    inference(unit_resulting_resolution,[],[f124,f33]) ).

fof(f127,plain,
    sK0 != singleton(sK2),
    inference(unit_resulting_resolution,[],[f125,f27]) ).

fof(f27,plain,
    ( empty_set != set_difference(sK0,unordered_pair(sK1,sK2))
    | sK0 != singleton(sK2) ),
    inference(cnf_transformation,[],[f16]) ).

fof(f89,plain,
    empty_set != sK0,
    inference(unit_resulting_resolution,[],[f51,f42]) ).

fof(f42,plain,
    ( empty_set != set_difference(empty_set,unordered_pair(sK1,sK2))
    | empty_set != sK0 ),
    inference(inner_rewriting,[],[f25]) ).

fof(f25,plain,
    ( empty_set != sK0
    | empty_set != set_difference(sK0,unordered_pair(sK1,sK2)) ),
    inference(cnf_transformation,[],[f16]) ).

fof(f51,plain,
    ! [X0,X1] : empty_set = set_difference(empty_set,unordered_pair(X0,X1)),
    inference(unit_resulting_resolution,[],[f50,f33]) ).

fof(f50,plain,
    ! [X2,X1] : subset(empty_set,unordered_pair(X1,X2)),
    inference(forward_demodulation,[],[f48,f43]) ).

fof(f48,plain,
    ! [X2,X0,X1] : subset(set_difference(X0,X0),unordered_pair(X1,X2)),
    inference(unit_resulting_resolution,[],[f43,f35]) ).

fof(f35,plain,
    ! [X2,X0,X1] :
      ( empty_set != X0
      | subset(X0,unordered_pair(X1,X2)) ),
    inference(cnf_transformation,[],[f19]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.13  % Problem    : SET931+1 : TPTP v8.1.2. Released v3.2.0.
% 0.05/0.14  % Command    : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s
% 0.11/0.33  % Computer : n028.cluster.edu
% 0.11/0.33  % Model    : x86_64 x86_64
% 0.11/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.33  % Memory   : 8042.1875MB
% 0.11/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.33  % CPULimit   : 300
% 0.11/0.33  % WCLimit    : 300
% 0.11/0.33  % DateTime   : Wed Aug 30 16:03:27 EDT 2023
% 0.11/0.33  % CPUTime    : 
% 0.11/0.38  % (12622)Running in auto input_syntax mode. Trying TPTP
% 0.11/0.39  % (12625)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 Vampire---4 for (569ds/0Mi)
% 0.11/0.39  % (12624)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on Vampire---4 for (793ds/0Mi)
% 0.11/0.39  % (12627)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 Vampire---4 for (531ds/0Mi)
% 0.11/0.39  % (12628)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 Vampire---4 for (522ds/0Mi)
% 0.11/0.39  % (12629)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 Vampire---4 for (497ds/0Mi)
% 0.11/0.39  % (12626)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on Vampire---4 for (533ds/0Mi)
% 0.16/0.39  % (12623)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on Vampire---4 for (846ds/0Mi)
% 0.16/0.39  TRYING [1]
% 0.16/0.39  TRYING [2]
% 0.16/0.39  TRYING [3]
% 0.16/0.39  % (12629)First to succeed.
% 0.16/0.39  TRYING [4]
% 0.16/0.39  % (12627)Also succeeded, but the first one will report.
% 0.16/0.39  TRYING [1]
% 0.16/0.39  TRYING [1]
% 0.16/0.39  TRYING [2]
% 0.16/0.39  TRYING [5]
% 0.16/0.39  % (12628)Also succeeded, but the first one will report.
% 0.16/0.39  TRYING [2]
% 0.16/0.39  TRYING [3]
% 0.16/0.39  % (12629)Refutation found. Thanks to Tanya!
% 0.16/0.39  % SZS status Theorem for Vampire---4
% 0.16/0.39  % SZS output start Proof for Vampire---4
% See solution above
% 0.16/0.39  % (12629)------------------------------
% 0.16/0.39  % (12629)Version: Vampire 4.7 (commit 05ef610bd on 2023-06-21 19:03:17 +0100)
% 0.16/0.39  % (12629)Linked with Z3 4.9.1.0 6ed071b44407cf6623b8d3c0dceb2a8fb7040cee z3-4.8.4-6427-g6ed071b44
% 0.16/0.39  % (12629)Termination reason: Refutation
% 0.16/0.39  
% 0.16/0.39  % (12629)Memory used [KB]: 895
% 0.16/0.39  % (12629)Time elapsed: 0.006 s
% 0.16/0.39  % (12629)------------------------------
% 0.16/0.39  % (12629)------------------------------
% 0.16/0.39  % (12622)Success in time 0.051 s
% 0.16/0.40  % Vampire---4.8 exiting
%------------------------------------------------------------------------------