TSTP Solution File: SET086+1 by Vampire-SAT---4.8

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%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SET086+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 : n015.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 15:05:33 EDT 2024

% Result   : Theorem 0.23s 0.40s
% Output   : Refutation 0.23s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   13 (   3 unt;   0 def)
%            Number of atoms       :   48 (  28 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :   56 (  21   ~;  14   |;  19   &)
%                                         (   0 <=>;   2  =>;   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    :    4 (   4 usr;   3 con; 0-1 aty)
%            Number of variables   :   22 (  10   !;  12   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f264,plain,
    $false,
    inference(unit_resulting_resolution,[],[f238,f237,f144]) ).

fof(f144,plain,
    ! [X1] :
      ( ~ member(X1,universal_class)
      | singleton(X1) != sK2 ),
    inference(cnf_transformation,[],[f92]) ).

fof(f92,plain,
    ! [X1] :
      ( ( sK2 != X1
        | ( sK2 = singleton(sK3)
          & member(sK3,universal_class) ) )
      & ( singleton(X1) != sK2
        | ~ member(X1,universal_class) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2,sK3])],[f72,f91,f90]) ).

fof(f90,plain,
    ( ? [X0] :
      ! [X1] :
        ( ( X0 != X1
          | ? [X2] :
              ( singleton(X2) = X0
              & member(X2,universal_class) ) )
        & ( singleton(X1) != X0
          | ~ member(X1,universal_class) ) )
   => ! [X1] :
        ( ( sK2 != X1
          | ? [X2] :
              ( singleton(X2) = sK2
              & member(X2,universal_class) ) )
        & ( singleton(X1) != sK2
          | ~ member(X1,universal_class) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f91,plain,
    ( ? [X2] :
        ( singleton(X2) = sK2
        & member(X2,universal_class) )
   => ( sK2 = singleton(sK3)
      & member(sK3,universal_class) ) ),
    introduced(choice_axiom,[]) ).

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

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

fof(f45,negated_conjecture,
    ~ ! [X0] :
      ? [X2] :
        ( ( X0 = X2
          & ~ ? [X1] :
                ( singleton(X1) = X0
                & member(X1,universal_class) ) )
        | ( singleton(X2) = X0
          & member(X2,universal_class) ) ),
    inference(negated_conjecture,[],[f44]) ).

fof(f44,conjecture,
    ! [X0] :
    ? [X2] :
      ( ( X0 = X2
        & ~ ? [X1] :
              ( singleton(X1) = X0
              & member(X1,universal_class) ) )
      | ( singleton(X2) = X0
        & member(X2,universal_class) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',member_of_substitution) ).

fof(f237,plain,
    sK2 = singleton(sK3),
    inference(equality_resolution,[],[f146]) ).

fof(f146,plain,
    ! [X1] :
      ( sK2 != X1
      | sK2 = singleton(sK3) ),
    inference(cnf_transformation,[],[f92]) ).

fof(f238,plain,
    member(sK3,universal_class),
    inference(equality_resolution,[],[f145]) ).

fof(f145,plain,
    ! [X1] :
      ( sK2 != X1
      | member(sK3,universal_class) ),
    inference(cnf_transformation,[],[f92]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem    : SET086+1 : TPTP v8.1.2. Bugfixed v5.4.0.
% 0.08/0.15  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.15/0.36  % Computer : n015.cluster.edu
% 0.15/0.36  % Model    : x86_64 x86_64
% 0.15/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.36  % Memory   : 8042.1875MB
% 0.15/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.36  % CPULimit   : 300
% 0.15/0.36  % WCLimit    : 300
% 0.15/0.36  % DateTime   : Tue Apr 30 01:42:18 EDT 2024
% 0.15/0.36  % CPUTime    : 
% 0.15/0.37  % (22700)Running in auto input_syntax mode. Trying TPTP
% 0.23/0.39  % (22701)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.23/0.39  % (22707)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)
% 0.23/0.39  % (22703)WARNING: value z3 for option sas not known
% 0.23/0.39  % (22704)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.23/0.40  % (22703)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)
% 0.23/0.40  % (22702)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.23/0.40  % (22705)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)
% 0.23/0.40  % (22706)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)
% 0.23/0.40  % (22707)First to succeed.
% 0.23/0.40  % (22707)Refutation found. Thanks to Tanya!
% 0.23/0.40  % SZS status Theorem for theBenchmark
% 0.23/0.40  % SZS output start Proof for theBenchmark
% See solution above
% 0.23/0.40  % (22707)------------------------------
% 0.23/0.40  % (22707)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.23/0.40  % (22707)Termination reason: Refutation
% 0.23/0.40  
% 0.23/0.40  % (22707)Memory used [KB]: 941
% 0.23/0.40  % (22707)Time elapsed: 0.008 s
% 0.23/0.40  % (22707)Instructions burned: 9 (million)
% 0.23/0.40  % (22707)------------------------------
% 0.23/0.40  % (22707)------------------------------
% 0.23/0.40  % (22700)Success in time 0.03 s
%------------------------------------------------------------------------------