TSTP Solution File: SET056+1 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : SET056+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_uns --cores 0 -t %d %s

% Computer : n029.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 18:18:48 EDT 2022

% Result   : Theorem 0.12s 0.45s
% Output   : Refutation 0.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   32 (   4 unt;   0 def)
%            Number of atoms       :  118 (  18 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :  136 (  50   ~;  45   |;  32   &)
%                                         (   5 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   6 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-2 aty)
%            Number of variables   :   71 (  56   !;  15   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f86,plain,
    $false,
    inference(unit_resulting_resolution,[],[f78,f69,f82,f65]) ).

fof(f65,plain,
    ! [X0,X1] :
      ( ~ subclass(X1,X0)
      | X0 = X1
      | ~ subclass(X0,X1) ),
    inference(cnf_transformation,[],[f57]) ).

fof(f57,plain,
    ! [X0,X1] :
      ( ( ( subclass(X1,X0)
          & subclass(X0,X1) )
        | X0 != X1 )
      & ( X0 = X1
        | ~ subclass(X1,X0)
        | ~ subclass(X0,X1) ) ),
    inference(rectify,[],[f56]) ).

fof(f56,plain,
    ! [X1,X0] :
      ( ( ( subclass(X0,X1)
          & subclass(X1,X0) )
        | X0 != X1 )
      & ( X0 = X1
        | ~ subclass(X0,X1)
        | ~ subclass(X1,X0) ) ),
    inference(flattening,[],[f55]) ).

fof(f55,plain,
    ! [X1,X0] :
      ( ( ( subclass(X0,X1)
          & subclass(X1,X0) )
        | X0 != X1 )
      & ( X0 = X1
        | ~ subclass(X0,X1)
        | ~ subclass(X1,X0) ) ),
    inference(nnf_transformation,[],[f47]) ).

fof(f47,plain,
    ! [X1,X0] :
      ( ( subclass(X0,X1)
        & subclass(X1,X0) )
    <=> X0 = X1 ),
    inference(rectify,[],[f3]) ).

fof(f3,axiom,
    ! [X1,X0] :
      ( X0 = X1
    <=> ( subclass(X0,X1)
        & subclass(X1,X0) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',extensionality) ).

fof(f82,plain,
    subclass(sK1,sK2),
    inference(duplicate_literal_removal,[],[f80]) ).

fof(f80,plain,
    ( subclass(sK1,sK2)
    | subclass(sK1,sK2) ),
    inference(resolution,[],[f74,f63]) ).

fof(f63,plain,
    ! [X0,X1] :
      ( ~ member(sK0(X0,X1),X1)
      | subclass(X0,X1) ),
    inference(cnf_transformation,[],[f54]) ).

fof(f54,plain,
    ! [X0,X1] :
      ( ( subclass(X0,X1)
        | ( ~ member(sK0(X0,X1),X1)
          & member(sK0(X0,X1),X0) ) )
      & ( ! [X3] :
            ( member(X3,X1)
            | ~ member(X3,X0) )
        | ~ subclass(X0,X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f52,f53]) ).

fof(f53,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ~ member(X2,X1)
          & member(X2,X0) )
     => ( ~ member(sK0(X0,X1),X1)
        & member(sK0(X0,X1),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f52,plain,
    ! [X0,X1] :
      ( ( subclass(X0,X1)
        | ? [X2] :
            ( ~ member(X2,X1)
            & member(X2,X0) ) )
      & ( ! [X3] :
            ( member(X3,X1)
            | ~ member(X3,X0) )
        | ~ subclass(X0,X1) ) ),
    inference(rectify,[],[f51]) ).

fof(f51,plain,
    ! [X1,X0] :
      ( ( subclass(X1,X0)
        | ? [X2] :
            ( ~ member(X2,X0)
            & member(X2,X1) ) )
      & ( ! [X2] :
            ( member(X2,X0)
            | ~ member(X2,X1) )
        | ~ subclass(X1,X0) ) ),
    inference(nnf_transformation,[],[f49]) ).

fof(f49,plain,
    ! [X1,X0] :
      ( subclass(X1,X0)
    <=> ! [X2] :
          ( member(X2,X0)
          | ~ member(X2,X1) ) ),
    inference(ennf_transformation,[],[f48]) ).

fof(f48,plain,
    ! [X1,X0] :
      ( subclass(X1,X0)
    <=> ! [X2] :
          ( member(X2,X1)
         => member(X2,X0) ) ),
    inference(rectify,[],[f1]) ).

fof(f1,axiom,
    ! [X1,X0] :
      ( subclass(X0,X1)
    <=> ! [X2] :
          ( member(X2,X0)
         => member(X2,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subclass_defn) ).

fof(f74,plain,
    ! [X0] :
      ( member(sK0(sK1,X0),sK2)
      | subclass(sK1,X0) ),
    inference(resolution,[],[f70,f62]) ).

fof(f62,plain,
    ! [X0,X1] :
      ( member(sK0(X0,X1),X0)
      | subclass(X0,X1) ),
    inference(cnf_transformation,[],[f54]) ).

fof(f70,plain,
    ! [X2] :
      ( ~ member(X2,sK1)
      | member(X2,sK2) ),
    inference(cnf_transformation,[],[f60]) ).

fof(f60,plain,
    ( ! [X2] :
        ( ~ member(X2,sK1)
        | member(X2,sK2) )
    & sK2 != sK1
    & ! [X3] :
        ( ~ member(X3,sK2)
        | member(X3,sK1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1,sK2])],[f58,f59]) ).

fof(f59,plain,
    ( ? [X0,X1] :
        ( ! [X2] :
            ( ~ member(X2,X0)
            | member(X2,X1) )
        & X0 != X1
        & ! [X3] :
            ( ~ member(X3,X1)
            | member(X3,X0) ) )
   => ( ! [X2] :
          ( ~ member(X2,sK1)
          | member(X2,sK2) )
      & sK2 != sK1
      & ! [X3] :
          ( ~ member(X3,sK2)
          | member(X3,sK1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f58,plain,
    ? [X0,X1] :
      ( ! [X2] :
          ( ~ member(X2,X0)
          | member(X2,X1) )
      & X0 != X1
      & ! [X3] :
          ( ~ member(X3,X1)
          | member(X3,X0) ) ),
    inference(rectify,[],[f50]) ).

fof(f50,plain,
    ? [X1,X0] :
      ( ! [X3] :
          ( ~ member(X3,X1)
          | member(X3,X0) )
      & X0 != X1
      & ! [X2] :
          ( ~ member(X2,X0)
          | member(X2,X1) ) ),
    inference(ennf_transformation,[],[f46]) ).

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

fof(f45,negated_conjecture,
    ~ ! [X1,X0] :
        ( ? [X6] :
            ( member(X6,X1)
            & ~ member(X6,X0) )
        | ? [X2] :
            ( ~ member(X2,X1)
            & member(X2,X0) )
        | X0 = X1 ),
    inference(negated_conjecture,[],[f44]) ).

fof(f44,conjecture,
    ! [X1,X0] :
      ( ? [X6] :
          ( member(X6,X1)
          & ~ member(X6,X0) )
      | ? [X2] :
          ( ~ member(X2,X1)
          & member(X2,X0) )
      | X0 = X1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equality1) ).

fof(f69,plain,
    sK2 != sK1,
    inference(cnf_transformation,[],[f60]) ).

fof(f78,plain,
    subclass(sK2,sK1),
    inference(duplicate_literal_removal,[],[f76]) ).

fof(f76,plain,
    ( subclass(sK2,sK1)
    | subclass(sK2,sK1) ),
    inference(resolution,[],[f73,f63]) ).

fof(f73,plain,
    ! [X0] :
      ( member(sK0(sK2,X0),sK1)
      | subclass(sK2,X0) ),
    inference(resolution,[],[f68,f62]) ).

fof(f68,plain,
    ! [X3] :
      ( ~ member(X3,sK2)
      | member(X3,sK1) ),
    inference(cnf_transformation,[],[f60]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.08  % Problem    : SET056+1 : TPTP v8.1.0. Bugfixed v5.4.0.
% 0.06/0.08  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.08/0.28  % Computer : n029.cluster.edu
% 0.08/0.28  % Model    : x86_64 x86_64
% 0.08/0.28  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.28  % Memory   : 8042.1875MB
% 0.08/0.28  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.08/0.28  % CPULimit   : 300
% 0.08/0.28  % WCLimit    : 300
% 0.08/0.28  % DateTime   : Tue Aug 30 13:14:42 EDT 2022
% 0.08/0.28  % CPUTime    : 
% 0.12/0.44  % (12570)dis+1010_1:50_awrs=decay:awrsf=128:nwc=10.0:s2pl=no:sp=frequency:ss=axioms:i=39:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/39Mi)
% 0.12/0.45  % (12570)Refutation not found, incomplete strategy% (12570)------------------------------
% 0.12/0.45  % (12570)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.12/0.45  % (12570)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.12/0.45  % (12570)Termination reason: Refutation not found, incomplete strategy
% 0.12/0.45  
% 0.12/0.45  % (12570)Memory used [KB]: 5884
% 0.12/0.45  % (12570)Time elapsed: 0.097 s
% 0.12/0.45  % (12570)Instructions burned: 1 (million)
% 0.12/0.45  % (12570)------------------------------
% 0.12/0.45  % (12570)------------------------------
% 0.12/0.45  % (12587)dis+10_1:1_av=off:sos=on:sp=reverse_arity:ss=included:st=2.0:to=lpo:urr=ec_only:i=45:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/45Mi)
% 0.12/0.45  % (12587)First to succeed.
% 0.12/0.45  % (12587)Refutation found. Thanks to Tanya!
% 0.12/0.45  % SZS status Theorem for theBenchmark
% 0.12/0.45  % SZS output start Proof for theBenchmark
% See solution above
% 0.12/0.45  % (12587)------------------------------
% 0.12/0.45  % (12587)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.12/0.45  % (12587)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.12/0.45  % (12587)Termination reason: Refutation
% 0.12/0.45  
% 0.12/0.45  % (12587)Memory used [KB]: 1535
% 0.12/0.45  % (12587)Time elapsed: 0.108 s
% 0.12/0.45  % (12587)Instructions burned: 2 (million)
% 0.12/0.45  % (12587)------------------------------
% 0.12/0.45  % (12587)------------------------------
% 0.12/0.45  % (12562)Success in time 0.169 s
%------------------------------------------------------------------------------