TSTP Solution File: SEU123+2 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : SEU123+2 : TPTP v8.1.0. Released v3.3.0.
% 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 : n008.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 18:26:45 EDT 2022

% Result   : Theorem 0.18s 0.50s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   33 (   8 unt;   0 def)
%            Number of atoms       :   89 (  16 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :   94 (  38   ~;  28   |;  17   &)
%                                         (   3 <=>;   8  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   64 (  56   !;   8   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f362,plain,
    $false,
    inference(unit_resulting_resolution,[],[f116,f129,f331,f94]) ).

fof(f94,plain,
    ! [X3,X0,X1] :
      ( ~ subset(X0,X1)
      | in(X3,X1)
      | ~ in(X3,X0) ),
    inference(cnf_transformation,[],[f61]) ).

fof(f61,plain,
    ! [X0,X1] :
      ( ( subset(X0,X1)
        | ( in(sK4(X0,X1),X0)
          & ~ in(sK4(X0,X1),X1) ) )
      & ( ! [X3] :
            ( ~ in(X3,X0)
            | in(X3,X1) )
        | ~ subset(X0,X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK4])],[f59,f60]) ).

fof(f60,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( in(X2,X0)
          & ~ in(X2,X1) )
     => ( in(sK4(X0,X1),X0)
        & ~ in(sK4(X0,X1),X1) ) ),
    introduced(choice_axiom,[]) ).

fof(f59,plain,
    ! [X0,X1] :
      ( ( subset(X0,X1)
        | ? [X2] :
            ( in(X2,X0)
            & ~ in(X2,X1) ) )
      & ( ! [X3] :
            ( ~ in(X3,X0)
            | in(X3,X1) )
        | ~ subset(X0,X1) ) ),
    inference(rectify,[],[f58]) ).

fof(f58,plain,
    ! [X0,X1] :
      ( ( subset(X0,X1)
        | ? [X2] :
            ( in(X2,X0)
            & ~ in(X2,X1) ) )
      & ( ! [X2] :
            ( ~ in(X2,X0)
            | in(X2,X1) )
        | ~ subset(X0,X1) ) ),
    inference(nnf_transformation,[],[f40]) ).

fof(f40,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
    <=> ! [X2] :
          ( ~ in(X2,X0)
          | in(X2,X1) ) ),
    inference(ennf_transformation,[],[f5]) ).

fof(f5,axiom,
    ! [X0,X1] :
      ( subset(X0,X1)
    <=> ! [X2] :
          ( in(X2,X0)
         => in(X2,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_tarski) ).

fof(f331,plain,
    ! [X0] : subset(sK7,X0),
    inference(unit_resulting_resolution,[],[f107,f102,f92]) ).

fof(f92,plain,
    ! [X2,X0,X1] :
      ( ~ subset(X1,X2)
      | subset(X0,X2)
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f57]) ).

fof(f57,plain,
    ! [X0,X1,X2] :
      ( subset(X0,X2)
      | ~ subset(X1,X2)
      | ~ subset(X0,X1) ),
    inference(rectify,[],[f34]) ).

fof(f34,plain,
    ! [X2,X0,X1] :
      ( subset(X2,X1)
      | ~ subset(X0,X1)
      | ~ subset(X2,X0) ),
    inference(flattening,[],[f33]) ).

fof(f33,plain,
    ! [X0,X2,X1] :
      ( subset(X2,X1)
      | ~ subset(X0,X1)
      | ~ subset(X2,X0) ),
    inference(ennf_transformation,[],[f25]) ).

fof(f25,plain,
    ! [X0,X2,X1] :
      ( ( subset(X0,X1)
        & subset(X2,X0) )
     => subset(X2,X1) ),
    inference(rectify,[],[f16]) ).

fof(f16,axiom,
    ! [X1,X2,X0] :
      ( ( subset(X0,X1)
        & subset(X1,X2) )
     => subset(X0,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_xboole_1) ).

fof(f102,plain,
    ! [X0] : subset(empty_set,X0),
    inference(cnf_transformation,[],[f17]) ).

fof(f17,axiom,
    ! [X0] : subset(empty_set,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_xboole_1) ).

fof(f107,plain,
    subset(sK7,empty_set),
    inference(cnf_transformation,[],[f73]) ).

fof(f73,plain,
    ( subset(sK7,empty_set)
    & empty_set != sK7 ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK7])],[f37,f72]) ).

fof(f72,plain,
    ( ? [X0] :
        ( subset(X0,empty_set)
        & empty_set != X0 )
   => ( subset(sK7,empty_set)
      & empty_set != sK7 ) ),
    introduced(choice_axiom,[]) ).

fof(f37,plain,
    ? [X0] :
      ( subset(X0,empty_set)
      & empty_set != X0 ),
    inference(ennf_transformation,[],[f20]) ).

fof(f20,negated_conjecture,
    ~ ! [X0] :
        ( subset(X0,empty_set)
       => empty_set = X0 ),
    inference(negated_conjecture,[],[f19]) ).

fof(f19,conjecture,
    ! [X0] :
      ( subset(X0,empty_set)
     => empty_set = X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_xboole_1) ).

fof(f129,plain,
    in(sK5(sK7),sK7),
    inference(unit_resulting_resolution,[],[f106,f101]) ).

fof(f101,plain,
    ! [X0] :
      ( in(sK5(X0),X0)
      | empty_set = X0 ),
    inference(cnf_transformation,[],[f68]) ).

fof(f68,plain,
    ! [X0] :
      ( ( empty_set = X0
        | in(sK5(X0),X0) )
      & ( ! [X2] : ~ in(X2,X0)
        | empty_set != X0 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK5])],[f66,f67]) ).

fof(f67,plain,
    ! [X0] :
      ( ? [X1] : in(X1,X0)
     => in(sK5(X0),X0) ),
    introduced(choice_axiom,[]) ).

fof(f66,plain,
    ! [X0] :
      ( ( empty_set = X0
        | ? [X1] : in(X1,X0) )
      & ( ! [X2] : ~ in(X2,X0)
        | empty_set != X0 ) ),
    inference(rectify,[],[f65]) ).

fof(f65,plain,
    ! [X0] :
      ( ( empty_set = X0
        | ? [X1] : in(X1,X0) )
      & ( ! [X1] : ~ in(X1,X0)
        | empty_set != X0 ) ),
    inference(nnf_transformation,[],[f4]) ).

fof(f4,axiom,
    ! [X0] :
      ( empty_set = X0
    <=> ! [X1] : ~ in(X1,X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_xboole_0) ).

fof(f106,plain,
    empty_set != sK7,
    inference(cnf_transformation,[],[f73]) ).

fof(f116,plain,
    ! [X2] : ~ in(X2,empty_set),
    inference(equality_resolution,[],[f100]) ).

fof(f100,plain,
    ! [X2,X0] :
      ( ~ in(X2,X0)
      | empty_set != X0 ),
    inference(cnf_transformation,[],[f68]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem    : SEU123+2 : TPTP v8.1.0. Released v3.3.0.
% 0.06/0.12  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.12/0.33  % Computer : n008.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 14:43:55 EDT 2022
% 0.12/0.34  % CPUTime    : 
% 0.18/0.48  % (18770)lrs+10_1:32_br=off:nm=16:sd=2:ss=axioms:st=2.0:urr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.18/0.49  % (18770)First to succeed.
% 0.18/0.49  % (18786)lrs-11_1:1_nm=0:sac=on:sd=4:ss=axioms:st=3.0:i=24:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/24Mi)
% 0.18/0.49  % (18778)ott+21_1:1_erd=off:s2a=on:sac=on:sd=1:sgt=64:sos=on:ss=included:st=3.0:to=lpo:urr=on:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.18/0.50  % (18770)Refutation found. Thanks to Tanya!
% 0.18/0.50  % SZS status Theorem for theBenchmark
% 0.18/0.50  % SZS output start Proof for theBenchmark
% See solution above
% 0.18/0.50  % (18770)------------------------------
% 0.18/0.50  % (18770)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.18/0.50  % (18770)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.18/0.50  % (18770)Termination reason: Refutation
% 0.18/0.50  
% 0.18/0.50  % (18770)Memory used [KB]: 6012
% 0.18/0.50  % (18770)Time elapsed: 0.094 s
% 0.18/0.50  % (18770)Instructions burned: 9 (million)
% 0.18/0.50  % (18770)------------------------------
% 0.18/0.50  % (18770)------------------------------
% 0.18/0.50  % (18756)Success in time 0.156 s
%------------------------------------------------------------------------------