TSTP Solution File: SET072+1 by Vampire-SAT---4.8

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%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SET072+1 : TPTP v8.1.2. Bugfixed v5.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n006.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 : Tue Apr 30 15:05:27 EDT 2024

% Result   : Theorem 0.15s 0.39s
% Output   : Refutation 0.15s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   28 (   7 unt;   0 def)
%            Number of atoms       :   89 (  48 equ)
%            Maximal formula atoms :    8 (   3 avg)
%            Number of connectives :   86 (  25   ~;  26   |;  29   &)
%                                         (   2 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :   39 (  30   !;   9   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1857,plain,
    $false,
    inference(trivial_inequality_removal,[],[f1856]) ).

fof(f1856,plain,
    sK0 != sK0,
    inference(superposition,[],[f140,f1697]) ).

fof(f1697,plain,
    sK0 = sK1,
    inference(duplicate_literal_removal,[],[f1683]) ).

fof(f1683,plain,
    ( sK0 = sK1
    | sK0 = sK1
    | sK0 = sK1 ),
    inference(superposition,[],[f1681,f1641]) ).

fof(f1641,plain,
    ( sK1 = sK2
    | sK0 = sK1 ),
    inference(resolution,[],[f1631,f138]) ).

fof(f138,plain,
    member(sK1,universal_class),
    inference(cnf_transformation,[],[f88]) ).

fof(f88,plain,
    ( sK0 != sK1
    & unordered_pair(sK0,sK2) = unordered_pair(sK1,sK2)
    & member(sK1,universal_class)
    & member(sK0,universal_class) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2])],[f73,f87]) ).

fof(f87,plain,
    ( ? [X0,X1,X2] :
        ( X0 != X1
        & unordered_pair(X0,X2) = unordered_pair(X1,X2)
        & member(X1,universal_class)
        & member(X0,universal_class) )
   => ( sK0 != sK1
      & unordered_pair(sK0,sK2) = unordered_pair(sK1,sK2)
      & member(sK1,universal_class)
      & member(sK0,universal_class) ) ),
    introduced(choice_axiom,[]) ).

fof(f73,plain,
    ? [X0,X1,X2] :
      ( X0 != X1
      & unordered_pair(X0,X2) = unordered_pair(X1,X2)
      & member(X1,universal_class)
      & member(X0,universal_class) ),
    inference(flattening,[],[f72]) ).

fof(f72,plain,
    ? [X0,X1,X2] :
      ( X0 != X1
      & unordered_pair(X0,X2) = unordered_pair(X1,X2)
      & member(X1,universal_class)
      & member(X0,universal_class) ),
    inference(ennf_transformation,[],[f46]) ).

fof(f46,plain,
    ~ ! [X0,X1,X2] :
        ( ( unordered_pair(X0,X2) = unordered_pair(X1,X2)
          & member(X1,universal_class)
          & member(X0,universal_class) )
       => X0 = X1 ),
    inference(rectify,[],[f45]) ).

fof(f45,negated_conjecture,
    ~ ! [X0,X1,X4] :
        ( ( unordered_pair(X0,X4) = unordered_pair(X1,X4)
          & member(X1,universal_class)
          & member(X0,universal_class) )
       => X0 = X1 ),
    inference(negated_conjecture,[],[f44]) ).

fof(f44,conjecture,
    ! [X0,X1,X4] :
      ( ( unordered_pair(X0,X4) = unordered_pair(X1,X4)
        & member(X1,universal_class)
        & member(X0,universal_class) )
     => X0 = X1 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',right_cancellation) ).

fof(f1631,plain,
    ( ~ member(sK1,universal_class)
    | sK1 = sK2
    | sK0 = sK1 ),
    inference(resolution,[],[f208,f282]) ).

fof(f282,plain,
    ( member(sK1,unordered_pair(sK0,sK2))
    | ~ member(sK1,universal_class) ),
    inference(superposition,[],[f233,f139]) ).

fof(f139,plain,
    unordered_pair(sK0,sK2) = unordered_pair(sK1,sK2),
    inference(cnf_transformation,[],[f88]) ).

fof(f233,plain,
    ! [X2,X1] :
      ( member(X1,unordered_pair(X1,X2))
      | ~ member(X1,universal_class) ),
    inference(equality_resolution,[],[f209]) ).

fof(f209,plain,
    ! [X2,X0,X1] :
      ( member(X0,unordered_pair(X1,X2))
      | X0 != X1
      | ~ member(X0,universal_class) ),
    inference(cnf_transformation,[],[f124]) ).

fof(f124,plain,
    ! [X0,X1,X2] :
      ( ( member(X0,unordered_pair(X1,X2))
        | ( X0 != X2
          & X0 != X1 )
        | ~ member(X0,universal_class) )
      & ( ( ( X0 = X2
            | X0 = X1 )
          & member(X0,universal_class) )
        | ~ member(X0,unordered_pair(X1,X2)) ) ),
    inference(flattening,[],[f123]) ).

fof(f123,plain,
    ! [X0,X1,X2] :
      ( ( member(X0,unordered_pair(X1,X2))
        | ( X0 != X2
          & X0 != X1 )
        | ~ member(X0,universal_class) )
      & ( ( ( X0 = X2
            | X0 = X1 )
          & member(X0,universal_class) )
        | ~ member(X0,unordered_pair(X1,X2)) ) ),
    inference(nnf_transformation,[],[f65]) ).

fof(f65,plain,
    ! [X0,X1,X2] :
      ( member(X0,unordered_pair(X1,X2))
    <=> ( ( X0 = X2
          | X0 = X1 )
        & member(X0,universal_class) ) ),
    inference(rectify,[],[f4]) ).

fof(f4,axiom,
    ! [X2,X0,X1] :
      ( member(X2,unordered_pair(X0,X1))
    <=> ( ( X1 = X2
          | X0 = X2 )
        & member(X2,universal_class) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',unordered_pair_defn) ).

fof(f208,plain,
    ! [X2,X0,X1] :
      ( ~ member(X0,unordered_pair(X1,X2))
      | X0 = X1
      | X0 = X2 ),
    inference(cnf_transformation,[],[f124]) ).

fof(f1681,plain,
    ( sK0 = sK2
    | sK0 = sK1 ),
    inference(resolution,[],[f1672,f137]) ).

fof(f137,plain,
    member(sK0,universal_class),
    inference(cnf_transformation,[],[f88]) ).

fof(f1672,plain,
    ( ~ member(sK0,universal_class)
    | sK0 = sK2
    | sK0 = sK1 ),
    inference(resolution,[],[f1637,f233]) ).

fof(f1637,plain,
    ! [X0] :
      ( ~ member(X0,unordered_pair(sK0,sK2))
      | sK1 = X0
      | sK2 = X0 ),
    inference(superposition,[],[f208,f139]) ).

fof(f140,plain,
    sK0 != sK1,
    inference(cnf_transformation,[],[f88]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.10  % Problem    : SET072+1 : TPTP v8.1.2. Bugfixed v5.4.0.
% 0.02/0.11  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.10/0.31  % Computer : n006.cluster.edu
% 0.10/0.31  % Model    : x86_64 x86_64
% 0.10/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.31  % Memory   : 8042.1875MB
% 0.10/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.31  % CPULimit   : 300
% 0.10/0.31  % WCLimit    : 300
% 0.10/0.31  % DateTime   : Tue Apr 30 01:07:35 EDT 2024
% 0.10/0.31  % CPUTime    : 
% 0.15/0.31  % (14806)Running in auto input_syntax mode. Trying TPTP
% 0.15/0.33  % (14813)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 theBenchmark for (497ds/0Mi)
% 0.15/0.33  % (14812)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 theBenchmark for (522ds/0Mi)
% 0.15/0.34  % (14808)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.15/0.34  % (14807)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.15/0.34  % (14811)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 theBenchmark for (531ds/0Mi)
% 0.15/0.35  % (14809)WARNING: value z3 for option sas not known
% 0.15/0.35  % (14809)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 theBenchmark for (569ds/0Mi)
% 0.15/0.35  % (14810)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.15/0.36  TRYING [1]
% 0.15/0.37  TRYING [2]
% 0.15/0.38  TRYING [1]
% 0.15/0.39  TRYING [2]
% 0.15/0.39  % (14812)First to succeed.
% 0.15/0.39  % (14812)Refutation found. Thanks to Tanya!
% 0.15/0.39  % SZS status Theorem for theBenchmark
% 0.15/0.39  % SZS output start Proof for theBenchmark
% See solution above
% 0.15/0.39  % (14812)------------------------------
% 0.15/0.39  % (14812)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.15/0.39  % (14812)Termination reason: Refutation
% 0.15/0.39  
% 0.15/0.39  % (14812)Memory used [KB]: 1668
% 0.15/0.39  % (14812)Time elapsed: 0.063 s
% 0.15/0.39  % (14812)Instructions burned: 123 (million)
% 0.15/0.39  % (14812)------------------------------
% 0.15/0.39  % (14812)------------------------------
% 0.15/0.39  % (14806)Success in time 0.08 s
%------------------------------------------------------------------------------