TSTP Solution File: SET108+1 by Vampire-SAT---4.8

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%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SET108+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 : n007.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 15:05:43 EDT 2024

% Result   : Theorem 0.21s 0.38s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   21 (   5 unt;   0 def)
%            Number of atoms       :   90 (  44 equ)
%            Maximal formula atoms :   16 (   4 avg)
%            Number of connectives :  112 (  43   ~;  33   |;  34   &)
%                                         (   0 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   6 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   :   44 (  22   !;  22   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f245,plain,
    $false,
    inference(resolution,[],[f244,f233]) ).

fof(f233,plain,
    member(sK1,universal_class),
    inference(equality_resolution,[],[f232]) ).

fof(f232,plain,
    ! [X1] :
      ( sK0 != X1
      | member(sK1,universal_class) ),
    inference(equality_resolution,[],[f138]) ).

fof(f138,plain,
    ! [X2,X1] :
      ( sK0 != X2
      | sK0 != X1
      | member(sK1,universal_class) ),
    inference(cnf_transformation,[],[f88]) ).

fof(f88,plain,
    ! [X1,X2] :
      ( ( sK0 != X2
        | sK0 != X1
        | ( sK0 = ordered_pair(sK1,sK2)
          & member(sK2,universal_class)
          & member(sK1,universal_class) ) )
      & ( ordered_pair(X1,X2) != sK0
        | ~ member(X2,universal_class)
        | ~ member(X1,universal_class) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2])],[f72,f87,f86]) ).

fof(f86,plain,
    ( ? [X0] :
      ! [X1,X2] :
        ( ( X0 != X2
          | X0 != X1
          | ? [X3,X4] :
              ( ordered_pair(X3,X4) = X0
              & member(X4,universal_class)
              & member(X3,universal_class) ) )
        & ( ordered_pair(X1,X2) != X0
          | ~ member(X2,universal_class)
          | ~ member(X1,universal_class) ) )
   => ! [X2,X1] :
        ( ( sK0 != X2
          | sK0 != X1
          | ? [X4,X3] :
              ( ordered_pair(X3,X4) = sK0
              & member(X4,universal_class)
              & member(X3,universal_class) ) )
        & ( ordered_pair(X1,X2) != sK0
          | ~ member(X2,universal_class)
          | ~ member(X1,universal_class) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f87,plain,
    ( ? [X4,X3] :
        ( ordered_pair(X3,X4) = sK0
        & member(X4,universal_class)
        & member(X3,universal_class) )
   => ( sK0 = ordered_pair(sK1,sK2)
      & member(sK2,universal_class)
      & member(sK1,universal_class) ) ),
    introduced(choice_axiom,[]) ).

fof(f72,plain,
    ? [X0] :
    ! [X1,X2] :
      ( ( X0 != X2
        | X0 != X1
        | ? [X3,X4] :
            ( ordered_pair(X3,X4) = X0
            & member(X4,universal_class)
            & member(X3,universal_class) ) )
      & ( ordered_pair(X1,X2) != X0
        | ~ member(X2,universal_class)
        | ~ member(X1,universal_class) ) ),
    inference(ennf_transformation,[],[f46]) ).

fof(f46,plain,
    ~ ! [X0] :
      ? [X1,X2] :
        ( ( X0 = X2
          & X0 = X1
          & ~ ? [X3,X4] :
                ( ordered_pair(X3,X4) = X0
                & member(X4,universal_class)
                & member(X3,universal_class) ) )
        | ( ordered_pair(X1,X2) = X0
          & member(X2,universal_class)
          & member(X1,universal_class) ) ),
    inference(rectify,[],[f45]) ).

fof(f45,negated_conjecture,
    ~ ! [X0] :
      ? [X2,X3] :
        ( ( X0 = X3
          & X0 = X2
          & ~ ? [X1,X4] :
                ( ordered_pair(X1,X4) = X0
                & member(X4,universal_class)
                & member(X1,universal_class) ) )
        | ( ordered_pair(X2,X3) = X0
          & member(X3,universal_class)
          & member(X2,universal_class) ) ),
    inference(negated_conjecture,[],[f44]) ).

fof(f44,conjecture,
    ! [X0] :
    ? [X2,X3] :
      ( ( X0 = X3
        & X0 = X2
        & ~ ? [X1,X4] :
              ( ordered_pair(X1,X4) = X0
              & member(X4,universal_class)
              & member(X1,universal_class) ) )
      | ( ordered_pair(X2,X3) = X0
        & member(X3,universal_class)
        & member(X2,universal_class) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',existence_of_first_and_second) ).

fof(f244,plain,
    ~ member(sK1,universal_class),
    inference(resolution,[],[f243,f231]) ).

fof(f231,plain,
    member(sK2,universal_class),
    inference(equality_resolution,[],[f230]) ).

fof(f230,plain,
    ! [X1] :
      ( sK0 != X1
      | member(sK2,universal_class) ),
    inference(equality_resolution,[],[f139]) ).

fof(f139,plain,
    ! [X2,X1] :
      ( sK0 != X2
      | sK0 != X1
      | member(sK2,universal_class) ),
    inference(cnf_transformation,[],[f88]) ).

fof(f243,plain,
    ( ~ member(sK2,universal_class)
    | ~ member(sK1,universal_class) ),
    inference(trivial_inequality_removal,[],[f242]) ).

fof(f242,plain,
    ( sK0 != sK0
    | ~ member(sK2,universal_class)
    | ~ member(sK1,universal_class) ),
    inference(superposition,[],[f137,f229]) ).

fof(f229,plain,
    sK0 = ordered_pair(sK1,sK2),
    inference(equality_resolution,[],[f228]) ).

fof(f228,plain,
    ! [X1] :
      ( sK0 != X1
      | sK0 = ordered_pair(sK1,sK2) ),
    inference(equality_resolution,[],[f140]) ).

fof(f140,plain,
    ! [X2,X1] :
      ( sK0 != X2
      | sK0 != X1
      | sK0 = ordered_pair(sK1,sK2) ),
    inference(cnf_transformation,[],[f88]) ).

fof(f137,plain,
    ! [X2,X1] :
      ( ordered_pair(X1,X2) != sK0
      | ~ member(X2,universal_class)
      | ~ member(X1,universal_class) ),
    inference(cnf_transformation,[],[f88]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem    : SET108+1 : TPTP v8.1.2. Bugfixed v5.4.0.
% 0.04/0.14  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.15/0.35  % Computer : n007.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   : Tue Apr 30 01:35:32 EDT 2024
% 0.15/0.35  % CPUTime    : 
% 0.15/0.36  % (22070)Running in auto input_syntax mode. Trying TPTP
% 0.15/0.37  % (22074)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.21/0.37  % (22073)WARNING: value z3 for option sas not known
% 0.21/0.37  % (22071)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.21/0.37  % (22073)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)
% 0.21/0.37  % (22072)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.21/0.37  % (22075)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)
% 0.21/0.37  % (22076)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)
% 0.21/0.38  % (22077)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)
% 0.21/0.38  % (22076)First to succeed.
% 0.21/0.38  % (22075)Also succeeded, but the first one will report.
% 0.21/0.38  % (22076)Refutation found. Thanks to Tanya!
% 0.21/0.38  % SZS status Theorem for theBenchmark
% 0.21/0.38  % SZS output start Proof for theBenchmark
% See solution above
% 0.21/0.38  % (22076)------------------------------
% 0.21/0.38  % (22076)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.21/0.38  % (22076)Termination reason: Refutation
% 0.21/0.38  
% 0.21/0.38  % (22076)Memory used [KB]: 951
% 0.21/0.38  % (22076)Time elapsed: 0.007 s
% 0.21/0.38  % (22076)Instructions burned: 9 (million)
% 0.21/0.38  % (22076)------------------------------
% 0.21/0.38  % (22076)------------------------------
% 0.21/0.38  % (22070)Success in time 0.025 s
%------------------------------------------------------------------------------