TSTP Solution File: SET102+1 by SnakeForV-SAT---1.0

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%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET102+1 : TPTP v8.1.0. Bugfixed v5.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s

% Computer : n016.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 : Wed Aug 31 18:23:43 EDT 2022

% Result   : Theorem 0.19s 0.47s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   29 (  20 unt;   0 def)
%            Number of atoms       :   61 (  24 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :   57 (  25   ~;  18   |;  11   &)
%                                         (   2 <=>;   1  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   3 con; 0-2 aty)
%            Number of variables   :   50 (  46   !;   4   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f352,plain,
    $false,
    inference(subsumption_resolution,[],[f351,f332]) ).

fof(f332,plain,
    ! [X0,X1] : ~ member(unordered_pair(X0,X1),universal_class),
    inference(consistent_polarity_flipping,[],[f199]) ).

fof(f199,plain,
    ! [X0,X1] : member(unordered_pair(X0,X1),universal_class),
    inference(cnf_transformation,[],[f5]) ).

fof(f5,axiom,
    ! [X0,X1] : member(unordered_pair(X0,X1),universal_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair) ).

fof(f351,plain,
    member(unordered_pair(sK2,unordered_pair(sK1,sK1)),universal_class),
    inference(resolution,[],[f317,f341]) ).

fof(f341,plain,
    member(unordered_pair(sK2,unordered_pair(sK1,sK1)),unordered_pair(unordered_pair(sK2,sK2),unordered_pair(sK2,unordered_pair(sK1,sK1)))),
    inference(consistent_polarity_flipping,[],[f250]) ).

fof(f250,plain,
    ~ member(unordered_pair(sK2,unordered_pair(sK1,sK1)),unordered_pair(unordered_pair(sK2,sK2),unordered_pair(sK2,unordered_pair(sK1,sK1)))),
    inference(definition_unfolding,[],[f169,f179,f242]) ).

fof(f242,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),
    inference(definition_unfolding,[],[f163,f179,f179]) ).

fof(f163,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(singleton(X0),unordered_pair(X0,singleton(X1))),
    inference(cnf_transformation,[],[f94]) ).

fof(f94,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(singleton(X0),unordered_pair(X0,singleton(X1))),
    inference(rectify,[],[f70]) ).

fof(f70,plain,
    ! [X1,X0] : unordered_pair(singleton(X1),unordered_pair(X1,singleton(X0))) = ordered_pair(X1,X0),
    inference(rectify,[],[f7]) ).

fof(f7,axiom,
    ! [X1,X0] : ordered_pair(X0,X1) = unordered_pair(singleton(X0),unordered_pair(X0,singleton(X1))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ordered_pair_defn) ).

fof(f179,plain,
    ! [X0] : singleton(X0) = unordered_pair(X0,X0),
    inference(cnf_transformation,[],[f6]) ).

fof(f6,axiom,
    ! [X0] : singleton(X0) = unordered_pair(X0,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_set_defn) ).

fof(f169,plain,
    ~ member(unordered_pair(sK2,singleton(sK1)),ordered_pair(sK2,sK1)),
    inference(cnf_transformation,[],[f98]) ).

fof(f98,plain,
    ~ member(unordered_pair(sK2,singleton(sK1)),ordered_pair(sK2,sK1)),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1,sK2])],[f82,f97]) ).

fof(f97,plain,
    ( ? [X0,X1] : ~ member(unordered_pair(X1,singleton(X0)),ordered_pair(X1,X0))
   => ~ member(unordered_pair(sK2,singleton(sK1)),ordered_pair(sK2,sK1)) ),
    introduced(choice_axiom,[]) ).

fof(f82,plain,
    ? [X0,X1] : ~ member(unordered_pair(X1,singleton(X0)),ordered_pair(X1,X0)),
    inference(ennf_transformation,[],[f47]) ).

fof(f47,plain,
    ~ ! [X1,X0] : member(unordered_pair(X1,singleton(X0)),ordered_pair(X1,X0)),
    inference(rectify,[],[f45]) ).

fof(f45,negated_conjecture,
    ~ ! [X1,X0] : member(unordered_pair(X0,singleton(X1)),ordered_pair(X0,X1)),
    inference(negated_conjecture,[],[f44]) ).

fof(f44,conjecture,
    ! [X1,X0] : member(unordered_pair(X0,singleton(X1)),ordered_pair(X0,X1)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair_member_of_ordered_pair) ).

fof(f317,plain,
    ! [X2,X1] :
      ( ~ member(X1,unordered_pair(X2,X1))
      | member(X1,universal_class) ),
    inference(consistent_polarity_flipping,[],[f284]) ).

fof(f284,plain,
    ! [X2,X1] :
      ( ~ member(X1,universal_class)
      | member(X1,unordered_pair(X2,X1)) ),
    inference(equality_resolution,[],[f225]) ).

fof(f225,plain,
    ! [X2,X0,X1] :
      ( member(X0,unordered_pair(X2,X1))
      | X0 != X1
      | ~ member(X0,universal_class) ),
    inference(cnf_transformation,[],[f143]) ).

fof(f143,plain,
    ! [X0,X1,X2] :
      ( ( member(X0,unordered_pair(X2,X1))
        | ( X0 != X1
          & X0 != X2 )
        | ~ member(X0,universal_class) )
      & ( ( ( X0 = X1
            | X0 = X2 )
          & member(X0,universal_class) )
        | ~ member(X0,unordered_pair(X2,X1)) ) ),
    inference(rectify,[],[f142]) ).

fof(f142,plain,
    ! [X1,X2,X0] :
      ( ( member(X1,unordered_pair(X0,X2))
        | ( X1 != X2
          & X0 != X1 )
        | ~ member(X1,universal_class) )
      & ( ( ( X1 = X2
            | X0 = X1 )
          & member(X1,universal_class) )
        | ~ member(X1,unordered_pair(X0,X2)) ) ),
    inference(flattening,[],[f141]) ).

fof(f141,plain,
    ! [X1,X2,X0] :
      ( ( member(X1,unordered_pair(X0,X2))
        | ( X1 != X2
          & X0 != X1 )
        | ~ member(X1,universal_class) )
      & ( ( ( X1 = X2
            | X0 = X1 )
          & member(X1,universal_class) )
        | ~ member(X1,unordered_pair(X0,X2)) ) ),
    inference(nnf_transformation,[],[f58]) ).

fof(f58,plain,
    ! [X1,X2,X0] :
      ( member(X1,unordered_pair(X0,X2))
    <=> ( ( X1 = X2
          | X0 = X1 )
        & member(X1,universal_class) ) ),
    inference(rectify,[],[f4]) ).

fof(f4,axiom,
    ! [X0,X2,X1] :
      ( member(X2,unordered_pair(X0,X1))
    <=> ( ( X1 = X2
          | X0 = X2 )
        & member(X2,universal_class) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair_defn) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem    : SET102+1 : TPTP v8.1.0. Bugfixed v5.4.0.
% 0.11/0.12  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.12/0.33  % Computer : n016.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit   : 300
% 0.12/0.33  % WCLimit    : 300
% 0.12/0.33  % DateTime   : Tue Aug 30 16:00:31 EDT 2022
% 0.12/0.33  % CPUTime    : 
% 0.19/0.45  % (13513)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.19/0.46  % (13525)ott+4_1:1_av=off:bd=off:nwc=5.0:rp=on:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.19/0.46  % (13525)First to succeed.
% 0.19/0.47  % (13513)Instruction limit reached!
% 0.19/0.47  % (13513)------------------------------
% 0.19/0.47  % (13513)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.47  % (13525)Refutation found. Thanks to Tanya!
% 0.19/0.47  % SZS status Theorem for theBenchmark
% 0.19/0.47  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.47  % (13525)------------------------------
% 0.19/0.47  % (13525)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.47  % (13525)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.47  % (13525)Termination reason: Refutation
% 0.19/0.47  
% 0.19/0.47  % (13525)Memory used [KB]: 1151
% 0.19/0.47  % (13525)Time elapsed: 0.074 s
% 0.19/0.47  % (13525)Instructions burned: 7 (million)
% 0.19/0.47  % (13525)------------------------------
% 0.19/0.47  % (13525)------------------------------
% 0.19/0.47  % (13505)Success in time 0.128 s
%------------------------------------------------------------------------------