TSTP Solution File: SET074+1 by Vampire-SAT---4.8

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%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SET074+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 : n022.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 0.14s 0.45s
% Output   : Refutation 0.14s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   18 (   6 unt;   0 def)
%            Number of atoms       :   49 (  20 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :   49 (  18   ~;  14   |;  12   &)
%                                         (   2 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 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   :   27 (  23   !;   4   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f275,plain,
    $false,
    inference(resolution,[],[f274,f135]) ).

fof(f135,plain,
    member(sK1,universal_class),
    inference(cnf_transformation,[],[f86]) ).

fof(f86,plain,
    ( null_class = unordered_pair(sK0,sK1)
    & member(sK1,universal_class) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f71,f85]) ).

fof(f85,plain,
    ( ? [X0,X1] :
        ( unordered_pair(X0,X1) = null_class
        & member(X1,universal_class) )
   => ( null_class = unordered_pair(sK0,sK1)
      & member(sK1,universal_class) ) ),
    introduced(choice_axiom,[]) ).

fof(f71,plain,
    ? [X0,X1] :
      ( unordered_pair(X0,X1) = null_class
      & member(X1,universal_class) ),
    inference(ennf_transformation,[],[f45]) ).

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

fof(f44,conjecture,
    ! [X0,X1] :
      ( member(X1,universal_class)
     => unordered_pair(X0,X1) != null_class ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',corollary1_2) ).

fof(f274,plain,
    ~ member(sK1,universal_class),
    inference(resolution,[],[f272,f139]) ).

fof(f139,plain,
    ! [X0] : ~ member(X0,null_class),
    inference(cnf_transformation,[],[f16]) ).

fof(f16,axiom,
    ! [X0] : ~ member(X0,null_class),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',null_class_defn) ).

fof(f272,plain,
    ( member(sK1,null_class)
    | ~ member(sK1,universal_class) ),
    inference(superposition,[],[f228,f136]) ).

fof(f136,plain,
    null_class = unordered_pair(sK0,sK1),
    inference(cnf_transformation,[],[f86]) ).

fof(f228,plain,
    ! [X2,X1] :
      ( member(X2,unordered_pair(X1,X2))
      | ~ member(X2,universal_class) ),
    inference(equality_resolution,[],[f206]) ).

fof(f206,plain,
    ! [X2,X0,X1] :
      ( member(X0,unordered_pair(X1,X2))
      | X0 != X2
      | ~ member(X0,universal_class) ),
    inference(cnf_transformation,[],[f122]) ).

fof(f122,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,[],[f121]) ).

fof(f121,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,[],[f64]) ).

fof(f64,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) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.19  % Problem    : SET074+1 : TPTP v8.1.2. Bugfixed v5.4.0.
% 0.12/0.21  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.14/0.42  % Computer : n022.cluster.edu
% 0.14/0.42  % Model    : x86_64 x86_64
% 0.14/0.42  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.42  % Memory   : 8042.1875MB
% 0.14/0.42  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.42  % CPULimit   : 300
% 0.14/0.42  % WCLimit    : 300
% 0.14/0.42  % DateTime   : Tue Apr 30 01:03:28 EDT 2024
% 0.14/0.42  % CPUTime    : 
% 0.14/0.42  % (25165)Running in auto input_syntax mode. Trying TPTP
% 0.14/0.44  % (25168)WARNING: value z3 for option sas not known
% 0.14/0.44  % (25169)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.14/0.44  % (25166)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.14/0.44  % (25170)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)
% 0.14/0.44  % (25171)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)
% 0.14/0.44  % (25167)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.14/0.44  % (25172)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)
% 0.14/0.44  % (25168)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)
% 0.14/0.45  % (25171)First to succeed.
% 0.14/0.45  % (25168)Also succeeded, but the first one will report.
% 0.14/0.45  % (25171)Refutation found. Thanks to Tanya!
% 0.14/0.45  % SZS status Theorem for theBenchmark
% 0.14/0.45  % SZS output start Proof for theBenchmark
% See solution above
% 0.14/0.45  % (25171)------------------------------
% 0.14/0.45  % (25171)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.14/0.45  % (25171)Termination reason: Refutation
% 0.14/0.45  
% 0.14/0.45  % (25171)Memory used [KB]: 955
% 0.14/0.45  % (25171)Time elapsed: 0.008 s
% 0.14/0.45  % (25171)Instructions burned: 11 (million)
% 0.14/0.45  % (25171)------------------------------
% 0.14/0.45  % (25171)------------------------------
% 0.14/0.45  % (25165)Success in time 0.014 s
%------------------------------------------------------------------------------