TSTP Solution File: SET134-6 by Vampire---4.8

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%------------------------------------------------------------------------------
% File     : Vampire---4.8
% Problem  : SET134-6 : TPTP v8.1.2. Bugfixed v2.1.0.
% 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 : n009.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 15:38:13 EDT 2023

% Result   : Unsatisfiable 9.01s 1.66s
% Output   : Refutation 9.01s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   24 (  16 unt;   0 def)
%            Number of atoms       :   34 (   7 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   24 (  14   ~;  10   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :   12 (  12 usr;   5 con; 0-2 aty)
%            Number of variables   :   23 (;  23   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f44221,plain,
    $false,
    inference(subsumption_resolution,[],[f44219,f4737]) ).

fof(f4737,plain,
    ~ member(u,null_class),
    inference(duplicate_literal_removal,[],[f4690]) ).

fof(f4690,plain,
    ( ~ member(u,null_class)
    | ~ member(u,null_class) ),
    inference(superposition,[],[f105,f468]) ).

fof(f468,plain,
    ( null_class = complement(universal_class)
    | ~ member(u,null_class) ),
    inference(superposition,[],[f206,f67]) ).

fof(f67,axiom,
    ! [X0] :
      ( null_class = intersection(X0,regular(X0))
      | null_class = X0 ),
    file('/export/starexec/sandbox2/tmp/tmp.K8kxYKfKyu/Vampire---4.8_7412',regularity2) ).

fof(f206,plain,
    ! [X0] : ~ member(u,intersection(complement(universal_class),X0)),
    inference(unit_resulting_resolution,[],[f105,f21]) ).

fof(f21,axiom,
    ! [X0,X1,X4] :
      ( ~ member(X4,intersection(X0,X1))
      | member(X4,X0) ),
    file('/export/starexec/sandbox2/tmp/tmp.K8kxYKfKyu/Vampire---4.8_7412',intersection1) ).

fof(f105,plain,
    ~ member(u,complement(universal_class)),
    inference(unit_resulting_resolution,[],[f93,f24]) ).

fof(f24,axiom,
    ! [X0,X4] :
      ( ~ member(X4,complement(X0))
      | ~ member(X4,X0) ),
    file('/export/starexec/sandbox2/tmp/tmp.K8kxYKfKyu/Vampire---4.8_7412',complement1) ).

fof(f93,axiom,
    member(u,universal_class),
    file('/export/starexec/sandbox2/tmp/tmp.K8kxYKfKyu/Vampire---4.8_7412',prove_corollary_2_to_member_of_triple_1) ).

fof(f44219,plain,
    member(u,null_class),
    inference(superposition,[],[f43641,f94]) ).

fof(f94,axiom,
    null_class = set_builder(u,set_builder(y,set_builder(z,null_class))),
    file('/export/starexec/sandbox2/tmp/tmp.K8kxYKfKyu/Vampire---4.8_7412',prove_corollary_2_to_member_of_triple_2) ).

fof(f43641,plain,
    ! [X0] : member(u,set_builder(u,X0)),
    inference(forward_demodulation,[],[f43495,f92]) ).

fof(f92,axiom,
    ! [X0,X1] : union(singleton(X0),X1) = set_builder(X0,X1),
    file('/export/starexec/sandbox2/tmp/tmp.K8kxYKfKyu/Vampire---4.8_7412',definition_of_set_builder) ).

fof(f43495,plain,
    ! [X0] : member(u,union(singleton(u),X0)),
    inference(unit_resulting_resolution,[],[f93,f209,f608]) ).

fof(f608,plain,
    ! [X2,X0,X1] :
      ( member(X2,intersection(complement(X0),complement(X1)))
      | member(X2,union(X0,X1))
      | ~ member(X2,universal_class) ),
    inference(superposition,[],[f25,f26]) ).

fof(f26,axiom,
    ! [X0,X1] : complement(intersection(complement(X0),complement(X1))) = union(X0,X1),
    file('/export/starexec/sandbox2/tmp/tmp.K8kxYKfKyu/Vampire---4.8_7412',union) ).

fof(f25,axiom,
    ! [X0,X4] :
      ( member(X4,complement(X0))
      | member(X4,X0)
      | ~ member(X4,universal_class) ),
    file('/export/starexec/sandbox2/tmp/tmp.K8kxYKfKyu/Vampire---4.8_7412',complement2) ).

fof(f209,plain,
    ! [X0] : ~ member(u,intersection(complement(singleton(u)),X0)),
    inference(unit_resulting_resolution,[],[f171,f21]) ).

fof(f171,plain,
    ~ member(u,complement(singleton(u))),
    inference(unit_resulting_resolution,[],[f170,f24]) ).

fof(f170,plain,
    member(u,singleton(u)),
    inference(superposition,[],[f167,f12]) ).

fof(f12,axiom,
    ! [X0] : unordered_pair(X0,X0) = singleton(X0),
    file('/export/starexec/sandbox2/tmp/tmp.K8kxYKfKyu/Vampire---4.8_7412',singleton_set) ).

fof(f167,plain,
    ! [X0] : member(u,unordered_pair(u,X0)),
    inference(unit_resulting_resolution,[],[f93,f9]) ).

fof(f9,axiom,
    ! [X0,X1] :
      ( member(X0,unordered_pair(X0,X1))
      | ~ member(X0,universal_class) ),
    file('/export/starexec/sandbox2/tmp/tmp.K8kxYKfKyu/Vampire---4.8_7412',unordered_pair2) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem    : SET134-6 : TPTP v8.1.2. Bugfixed v2.1.0.
% 0.14/0.15  % Command    : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s
% 0.15/0.35  % Computer : n009.cluster.edu
% 0.15/0.35  % Model    : x86_64 x86_64
% 0.15/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.35  % Memory   : 8042.1875MB
% 0.15/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.35  % CPULimit   : 300
% 0.15/0.35  % WCLimit    : 300
% 0.15/0.35  % DateTime   : Sat Aug 26 13:54:35 EDT 2023
% 0.15/0.36  % CPUTime    : 
% 0.15/0.36  This is a CNF_UNS_RFO_SEQ_NHN problem
% 0.15/0.36  Running vampire_casc2023 --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/tmp/tmp.K8kxYKfKyu/Vampire---4.8_7412
% 0.21/0.36  % (7520)Running in auto input_syntax mode. Trying TPTP
% 0.21/0.42  % (7526)lrs-1010_2_av=off:bce=on:cond=on:er=filter:fde=unused:lcm=predicate:nm=2:nwc=3.0:sims=off:sp=frequency:urr=on:stl=188_520 on Vampire---4 for (520ds/0Mi)
% 0.21/0.42  % (7524)lrs+2_5:4_anc=none:br=off:fde=unused:gsp=on:nm=32:nwc=1.3:sims=off:sos=all:urr=on:stl=62_558 on Vampire---4 for (558ds/0Mi)
% 0.21/0.42  % (7525)lrs-1010_20_afr=on:anc=all_dependent:bs=on:bsr=on:cond=on:er=known:fde=none:nm=4:nwc=1.3:sims=off:sp=frequency:urr=on:stl=62_533 on Vampire---4 for (533ds/0Mi)
% 0.21/0.42  % (7521)lrs+1010_20_av=off:bd=off:bs=on:bsr=on:bce=on:flr=on:fde=none:gsp=on:nwc=3.0:tgt=ground:urr=ec_only:stl=125_1192 on Vampire---4 for (1192ds/0Mi)
% 0.21/0.42  % (7522)ott+3_2:7_add=large:amm=off:anc=all:bce=on:drc=off:fsd=off:fde=unused:gs=on:irw=on:lcm=predicate:lma=on:msp=off:nwc=10.0:sac=on_598 on Vampire---4 for (598ds/0Mi)
% 0.21/0.42  % (7527)ott+1010_1_aac=none:bce=on:ep=RS:fsd=off:nm=4:nwc=2.0:nicw=on:sas=z3:sims=off_453 on Vampire---4 for (453ds/0Mi)
% 0.21/0.42  % (7523)lrs+11_10:1_bs=unit_only:drc=off:fsd=off:fde=none:gs=on:msp=off:nm=16:nwc=2.0:nicw=on:sos=all:sac=on:sp=reverse_frequency:stl=62_575 on Vampire---4 for (575ds/0Mi)
% 9.01/1.66  % (7526)First to succeed.
% 9.01/1.66  % (7526)Refutation found. Thanks to Tanya!
% 9.01/1.66  % SZS status Unsatisfiable for Vampire---4
% 9.01/1.66  % SZS output start Proof for Vampire---4
% See solution above
% 9.01/1.66  % (7526)------------------------------
% 9.01/1.66  % (7526)Version: Vampire 4.7 (commit 05ef610bd on 2023-06-21 19:03:17 +0100)
% 9.01/1.66  % (7526)Linked with Z3 4.9.1.0 6ed071b44407cf6623b8d3c0dceb2a8fb7040cee z3-4.8.4-6427-g6ed071b44
% 9.01/1.66  % (7526)Termination reason: Refutation
% 9.01/1.66  
% 9.01/1.66  % (7526)Memory used [KB]: 51427
% 9.01/1.66  % (7526)Time elapsed: 1.235 s
% 9.01/1.66  % (7526)------------------------------
% 9.01/1.66  % (7526)------------------------------
% 9.01/1.66  % (7520)Success in time 1.298 s
% 9.01/1.66  % Vampire---4.8 exiting
%------------------------------------------------------------------------------