TSTP Solution File: SET085-6 by Vampire-SAT---4.8

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%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SET085-6 : 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 : n021.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 : Fri Sep  1 22:20:13 EDT 2023

% Result   : Unsatisfiable 0.23s 5.45s
% Output   : Refutation 0.23s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   15 (   8 unt;   0 def)
%            Number of atoms       :   25 (  16 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   19 (   9   ~;  10   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   4 con; 0-2 aty)
%            Number of variables   :    8 (;   8   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f317,plain,
    $false,
    inference(trivial_inequality_removal,[],[f316]) ).

fof(f316,plain,
    x != x,
    inference(superposition,[],[f94,f305]) ).

fof(f305,plain,
    y = x,
    inference(trivial_inequality_removal,[],[f304]) ).

fof(f304,plain,
    ( x != x
    | y = x ),
    inference(superposition,[],[f95,f299]) ).

fof(f299,plain,
    ( z = x
    | y = x ),
    inference(resolution,[],[f291,f93]) ).

fof(f93,axiom,
    member(x,universal_class),
    file('/export/starexec/sandbox2/tmp/tmp.50JCvkjmvi/Vampire---4.8_25972',prove_singleton_in_unordered_pair3_2) ).

fof(f291,plain,
    ( ~ member(x,universal_class)
    | z = x
    | y = x ),
    inference(resolution,[],[f287,f105]) ).

fof(f105,plain,
    ! [X0] :
      ( member(X0,singleton(X0))
      | ~ member(X0,universal_class) ),
    inference(superposition,[],[f9,f12]) ).

fof(f12,axiom,
    ! [X0] : unordered_pair(X0,X0) = singleton(X0),
    file('/export/starexec/sandbox2/tmp/tmp.50JCvkjmvi/Vampire---4.8_25972',singleton_set) ).

fof(f9,axiom,
    ! [X0,X1] :
      ( member(X0,unordered_pair(X0,X1))
      | ~ member(X0,universal_class) ),
    file('/export/starexec/sandbox2/tmp/tmp.50JCvkjmvi/Vampire---4.8_25972',unordered_pair2) ).

fof(f287,plain,
    ! [X0] :
      ( ~ member(X0,singleton(x))
      | y = X0
      | z = X0 ),
    inference(superposition,[],[f8,f92]) ).

fof(f92,axiom,
    unordered_pair(y,z) = singleton(x),
    file('/export/starexec/sandbox2/tmp/tmp.50JCvkjmvi/Vampire---4.8_25972',prove_singleton_in_unordered_pair3_1) ).

fof(f8,axiom,
    ! [X2,X0,X1] :
      ( ~ member(X2,unordered_pair(X0,X1))
      | X0 = X2
      | X1 = X2 ),
    file('/export/starexec/sandbox2/tmp/tmp.50JCvkjmvi/Vampire---4.8_25972',unordered_pair_member) ).

fof(f95,axiom,
    z != x,
    file('/export/starexec/sandbox2/tmp/tmp.50JCvkjmvi/Vampire---4.8_25972',prove_singleton_in_unordered_pair3_4) ).

fof(f94,axiom,
    y != x,
    file('/export/starexec/sandbox2/tmp/tmp.50JCvkjmvi/Vampire---4.8_25972',prove_singleton_in_unordered_pair3_3) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem    : SET085-6 : 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
% 0.20/5.37  % Computer : n021.cluster.edu
% 0.20/5.37  % Model    : x86_64 x86_64
% 0.20/5.37  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.20/5.37  % Memory   : 8042.1875MB
% 0.20/5.37  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.20/5.37  % CPULimit   : 300
% 0.20/5.37  % WCLimit    : 300
% 0.20/5.37  % DateTime   : Wed Aug 30 15:44:05 EDT 2023
% 0.20/5.37  % CPUTime    : 
% 0.23/5.43  % (26324)Running in auto input_syntax mode. Trying TPTP
% 0.23/5.43  % (26326)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on Vampire---4 for (793ds/0Mi)
% 0.23/5.43  % (26325)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on Vampire---4 for (846ds/0Mi)
% 0.23/5.43  % (26328)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on Vampire---4 for (533ds/0Mi)
% 0.23/5.44  % (26327)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)
% 0.23/5.44  % (26329)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)
% 0.23/5.44  % (26331)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)
% 0.23/5.44  % (26332)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)
% 0.23/5.44  TRYING [1]
% 0.23/5.44  TRYING [2]
% 0.23/5.45  % (26331)First to succeed.
% 0.23/5.45  % (26331)Refutation found. Thanks to Tanya!
% 0.23/5.45  % SZS status Unsatisfiable for Vampire---4
% 0.23/5.45  % SZS output start Proof for Vampire---4
% See solution above
% 0.23/5.45  % (26331)------------------------------
% 0.23/5.45  % (26331)Version: Vampire 4.7 (commit 05ef610bd on 2023-06-21 19:03:17 +0100)
% 0.23/5.45  % (26331)Linked with Z3 4.9.1.0 6ed071b44407cf6623b8d3c0dceb2a8fb7040cee z3-4.8.4-6427-g6ed071b44
% 0.23/5.45  % (26331)Termination reason: Refutation
% 0.23/5.45  
% 0.23/5.45  % (26331)Memory used [KB]: 1407
% 0.23/5.45  % (26331)Time elapsed: 0.016 s
% 0.23/5.45  % (26331)------------------------------
% 0.23/5.45  % (26331)------------------------------
% 0.23/5.45  % (26324)Success in time 0.078 s
% 0.23/5.45  % Vampire---4.8 exiting
%------------------------------------------------------------------------------