TSTP Solution File: SET875+1 by SnakeForV-SAT---1.0

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%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET875+1 : TPTP v8.1.0. Released v3.2.0.
% 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 : n017.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 18:25:59 EDT 2022

% Result   : Theorem 1.44s 0.55s
% Output   : Refutation 1.44s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   29 (   8 unt;   3 typ;   0 def)
%            Number of atoms       :   78 (  35 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :   89 (  37   ~;  29   |;  19   &)
%                                         (   2 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of types       :    4 (   0 usr;   3 ari)
%            Number of type conns  :    6 (   3   >;   3   *;   0   +;   0  <<)
%            Number of predicates  :    7 (   5 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   44 (  37   !;   7   ?;   0   :)

% Comments : 
%------------------------------------------------------------------------------
tff(pred_def_5,type,
    sQ6_eqProxy: ( $int * $int ) > $o ).

tff(pred_def_6,type,
    sQ7_eqProxy: ( $rat * $rat ) > $o ).

tff(pred_def_7,type,
    sQ8_eqProxy: ( $real * $real ) > $o ).

fof(f82,plain,
    $false,
    inference(subsumption_resolution,[],[f81,f42]) ).

fof(f42,plain,
    ! [X2] : in(X2,singleton(X2)),
    inference(literal_reordering,[],[f41]) ).

fof(f41,plain,
    ! [X2] : in(X2,singleton(X2)),
    inference(equality_resolution,[],[f40]) ).

fof(f40,plain,
    ! [X2,X1] :
      ( in(X2,X1)
      | singleton(X2) != X1 ),
    inference(equality_resolution,[],[f29]) ).

fof(f29,plain,
    ! [X2,X0,X1] :
      ( in(X2,X1)
      | X0 != X2
      | singleton(X0) != X1 ),
    inference(cnf_transformation,[],[f19]) ).

fof(f19,plain,
    ! [X0,X1] :
      ( ( ! [X2] :
            ( ( X0 = X2
              | ~ in(X2,X1) )
            & ( in(X2,X1)
              | X0 != X2 ) )
        | singleton(X0) != X1 )
      & ( singleton(X0) = X1
        | ( ( ~ in(sK0(X0,X1),X1)
            | sK0(X0,X1) != X0 )
          & ( in(sK0(X0,X1),X1)
            | sK0(X0,X1) = X0 ) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f17,f18]) ).

fof(f18,plain,
    ! [X0,X1] :
      ( ? [X3] :
          ( ( ~ in(X3,X1)
            | X0 != X3 )
          & ( in(X3,X1)
            | X0 = X3 ) )
     => ( ( ~ in(sK0(X0,X1),X1)
          | sK0(X0,X1) != X0 )
        & ( in(sK0(X0,X1),X1)
          | sK0(X0,X1) = X0 ) ) ),
    introduced(choice_axiom,[]) ).

fof(f17,plain,
    ! [X0,X1] :
      ( ( ! [X2] :
            ( ( X0 = X2
              | ~ in(X2,X1) )
            & ( in(X2,X1)
              | X0 != X2 ) )
        | singleton(X0) != X1 )
      & ( singleton(X0) = X1
        | ? [X3] :
            ( ( ~ in(X3,X1)
              | X0 != X3 )
            & ( in(X3,X1)
              | X0 = X3 ) ) ) ),
    inference(rectify,[],[f16]) ).

fof(f16,plain,
    ! [X0,X1] :
      ( ( ! [X2] :
            ( ( X0 = X2
              | ~ in(X2,X1) )
            & ( in(X2,X1)
              | X0 != X2 ) )
        | singleton(X0) != X1 )
      & ( singleton(X0) = X1
        | ? [X2] :
            ( ( ~ in(X2,X1)
              | X0 != X2 )
            & ( in(X2,X1)
              | X0 = X2 ) ) ) ),
    inference(nnf_transformation,[],[f2]) ).

fof(f2,axiom,
    ! [X0,X1] :
      ( ! [X2] :
          ( X0 = X2
        <=> in(X2,X1) )
    <=> singleton(X0) = X1 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_tarski) ).

fof(f81,plain,
    ~ in(sK3,singleton(sK3)),
    inference(resolution,[],[f45,f46]) ).

fof(f46,plain,
    disjoint(singleton(sK3),singleton(sK3)),
    inference(literal_reordering,[],[f38]) ).

fof(f38,plain,
    disjoint(singleton(sK3),singleton(sK3)),
    inference(definition_unfolding,[],[f35,f36]) ).

fof(f36,plain,
    sK2 = sK3,
    inference(cnf_transformation,[],[f24]) ).

fof(f24,plain,
    ( sK2 = sK3
    & disjoint(singleton(sK3),singleton(sK2)) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2,sK3])],[f12,f23]) ).

fof(f23,plain,
    ( ? [X0,X1] :
        ( X0 = X1
        & disjoint(singleton(X1),singleton(X0)) )
   => ( sK2 = sK3
      & disjoint(singleton(sK3),singleton(sK2)) ) ),
    introduced(choice_axiom,[]) ).

fof(f12,plain,
    ? [X0,X1] :
      ( X0 = X1
      & disjoint(singleton(X1),singleton(X0)) ),
    inference(ennf_transformation,[],[f11]) ).

fof(f11,plain,
    ~ ! [X0,X1] :
        ~ ( X0 = X1
          & disjoint(singleton(X1),singleton(X0)) ),
    inference(rectify,[],[f8]) ).

fof(f8,negated_conjecture,
    ~ ! [X1,X0] :
        ~ ( disjoint(singleton(X0),singleton(X1))
          & X0 = X1 ),
    inference(negated_conjecture,[],[f7]) ).

fof(f7,conjecture,
    ! [X1,X0] :
      ~ ( disjoint(singleton(X0),singleton(X1))
        & X0 = X1 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t16_zfmisc_1) ).

fof(f35,plain,
    disjoint(singleton(sK3),singleton(sK2)),
    inference(cnf_transformation,[],[f24]) ).

fof(f45,plain,
    ! [X0,X1] :
      ( ~ disjoint(singleton(X1),X0)
      | ~ in(X1,X0) ),
    inference(literal_reordering,[],[f34]) ).

fof(f34,plain,
    ! [X0,X1] :
      ( ~ in(X1,X0)
      | ~ disjoint(singleton(X1),X0) ),
    inference(cnf_transformation,[],[f22]) ).

fof(f22,plain,
    ! [X0,X1] :
      ( ~ disjoint(singleton(X1),X0)
      | ~ in(X1,X0) ),
    inference(rectify,[],[f13]) ).

fof(f13,plain,
    ! [X1,X0] :
      ( ~ disjoint(singleton(X0),X1)
      | ~ in(X0,X1) ),
    inference(ennf_transformation,[],[f3]) ).

fof(f3,axiom,
    ! [X0,X1] :
      ~ ( disjoint(singleton(X0),X1)
        & in(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l25_zfmisc_1) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem    : SET875+1 : TPTP v8.1.0. Released v3.2.0.
% 0.03/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.13/0.34  % Computer : n017.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit   : 300
% 0.13/0.34  % WCLimit    : 300
% 0.13/0.34  % DateTime   : Tue Aug 30 13:51:50 EDT 2022
% 0.13/0.35  % CPUTime    : 
% 0.19/0.54  % (9023)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/68Mi)
% 1.44/0.55  % (9023)First to succeed.
% 1.44/0.55  % (9015)fmb+10_1:1_fmbsr=2.0:nm=4:skr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/51Mi)
% 1.44/0.55  TRYING [1]
% 1.44/0.55  % (9023)Refutation found. Thanks to Tanya!
% 1.44/0.55  % SZS status Theorem for theBenchmark
% 1.44/0.55  % SZS output start Proof for theBenchmark
% See solution above
% 1.44/0.55  % (9023)------------------------------
% 1.44/0.55  % (9023)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.44/0.55  % (9023)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.44/0.55  % (9023)Termination reason: Refutation
% 1.44/0.55  
% 1.44/0.55  % (9023)Memory used [KB]: 5756
% 1.44/0.55  % (9023)Time elapsed: 0.008 s
% 1.44/0.55  % (9023)Instructions burned: 3 (million)
% 1.44/0.55  % (9023)------------------------------
% 1.44/0.55  % (9023)------------------------------
% 1.44/0.55  % (9008)Success in time 0.199 s
%------------------------------------------------------------------------------