TSTP Solution File: SEU143+2 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : SEU143+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 : n024.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 18:26:52 EDT 2022

% Result   : Theorem 1.57s 0.58s
% Output   : Refutation 1.57s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   31 (  17 unt;   0 def)
%            Number of atoms       :   79 (  44 equ)
%            Maximal formula atoms :   10 (   2 avg)
%            Number of connectives :   83 (  35   ~;  29   |;  13   &)
%                                         (   4 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   3 con; 0-2 aty)
%            Number of variables   :   44 (  39   !;   5   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f366,plain,
    $false,
    inference(subsumption_resolution,[],[f361,f275]) ).

fof(f275,plain,
    empty(empty_set),
    inference(cnf_transformation,[],[f22]) ).

fof(f22,axiom,
    empty(empty_set),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc1_xboole_0) ).

fof(f361,plain,
    ~ empty(empty_set),
    inference(superposition,[],[f346,f360]) ).

fof(f360,plain,
    empty_set = unordered_pair(sK1,sK1),
    inference(forward_demodulation,[],[f344,f345]) ).

fof(f345,plain,
    empty_set = sF13,
    inference(definition_folding,[],[f306,f344]) ).

fof(f306,plain,
    empty_set = unordered_pair(sK1,sK1),
    inference(definition_unfolding,[],[f229,f222]) ).

fof(f222,plain,
    ! [X0] : singleton(X0) = unordered_pair(X0,X0),
    inference(cnf_transformation,[],[f59]) ).

fof(f59,axiom,
    ! [X0] : singleton(X0) = unordered_pair(X0,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t69_enumset1) ).

fof(f229,plain,
    empty_set = singleton(sK1),
    inference(cnf_transformation,[],[f147]) ).

fof(f147,plain,
    empty_set = singleton(sK1),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1])],[f126,f146]) ).

fof(f146,plain,
    ( ? [X0] : singleton(X0) = empty_set
   => empty_set = singleton(sK1) ),
    introduced(choice_axiom,[]) ).

fof(f126,plain,
    ? [X0] : singleton(X0) = empty_set,
    inference(ennf_transformation,[],[f29]) ).

fof(f29,negated_conjecture,
    ~ ! [X0] : singleton(X0) != empty_set,
    inference(negated_conjecture,[],[f28]) ).

fof(f28,conjecture,
    ! [X0] : singleton(X0) != empty_set,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l1_zfmisc_1) ).

fof(f344,plain,
    sF13 = unordered_pair(sK1,sK1),
    introduced(function_definition,[]) ).

fof(f346,plain,
    ! [X0] : ~ empty(unordered_pair(X0,X0)),
    inference(resolution,[],[f211,f328]) ).

fof(f328,plain,
    ! [X3] : in(X3,unordered_pair(X3,X3)),
    inference(equality_resolution,[],[f327]) ).

fof(f327,plain,
    ! [X3,X1] :
      ( in(X3,X1)
      | unordered_pair(X3,X3) != X1 ),
    inference(equality_resolution,[],[f310]) ).

fof(f310,plain,
    ! [X3,X0,X1] :
      ( in(X3,X1)
      | X0 != X3
      | unordered_pair(X0,X0) != X1 ),
    inference(definition_unfolding,[],[f230,f222]) ).

fof(f230,plain,
    ! [X3,X0,X1] :
      ( in(X3,X1)
      | X0 != X3
      | singleton(X0) != X1 ),
    inference(cnf_transformation,[],[f151]) ).

fof(f151,plain,
    ! [X0,X1] :
      ( ( singleton(X0) = X1
        | ( ( ~ in(sK2(X0,X1),X1)
            | sK2(X0,X1) != X0 )
          & ( in(sK2(X0,X1),X1)
            | sK2(X0,X1) = X0 ) ) )
      & ( ! [X3] :
            ( ( X0 = X3
              | ~ in(X3,X1) )
            & ( in(X3,X1)
              | X0 != X3 ) )
        | singleton(X0) != X1 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2])],[f149,f150]) ).

fof(f150,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ( ~ in(X2,X1)
            | X0 != X2 )
          & ( in(X2,X1)
            | X0 = X2 ) )
     => ( ( ~ in(sK2(X0,X1),X1)
          | sK2(X0,X1) != X0 )
        & ( in(sK2(X0,X1),X1)
          | sK2(X0,X1) = X0 ) ) ),
    introduced(choice_axiom,[]) ).

fof(f149,plain,
    ! [X0,X1] :
      ( ( singleton(X0) = X1
        | ? [X2] :
            ( ( ~ in(X2,X1)
              | X0 != X2 )
            & ( in(X2,X1)
              | X0 = X2 ) ) )
      & ( ! [X3] :
            ( ( X0 = X3
              | ~ in(X3,X1) )
            & ( in(X3,X1)
              | X0 != X3 ) )
        | singleton(X0) != X1 ) ),
    inference(rectify,[],[f148]) ).

fof(f148,plain,
    ! [X1,X0] :
      ( ( singleton(X1) = X0
        | ? [X2] :
            ( ( ~ in(X2,X0)
              | X1 != X2 )
            & ( in(X2,X0)
              | X1 = X2 ) ) )
      & ( ! [X2] :
            ( ( X1 = X2
              | ~ in(X2,X0) )
            & ( in(X2,X0)
              | X1 != X2 ) )
        | singleton(X1) != X0 ) ),
    inference(nnf_transformation,[],[f86]) ).

fof(f86,plain,
    ! [X1,X0] :
      ( singleton(X1) = X0
    <=> ! [X2] :
          ( X1 = X2
        <=> in(X2,X0) ) ),
    inference(rectify,[],[f7]) ).

fof(f7,axiom,
    ! [X1,X0] :
      ( singleton(X0) = X1
    <=> ! [X2] :
          ( in(X2,X1)
        <=> X0 = X2 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_tarski) ).

fof(f211,plain,
    ! [X0,X1] :
      ( ~ in(X1,X0)
      | ~ empty(X0) ),
    inference(cnf_transformation,[],[f112]) ).

fof(f112,plain,
    ! [X0,X1] :
      ( ~ empty(X0)
      | ~ in(X1,X0) ),
    inference(ennf_transformation,[],[f91]) ).

fof(f91,plain,
    ! [X0,X1] :
      ~ ( in(X1,X0)
        & empty(X0) ),
    inference(rectify,[],[f61]) ).

fof(f61,axiom,
    ! [X1,X0] :
      ~ ( empty(X1)
        & in(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t7_boole) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem    : SEU143+2 : TPTP v8.1.0. Released v3.3.0.
% 0.07/0.14  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.15/0.35  % Computer : n024.cluster.edu
% 0.15/0.35  % Model    : x86_64 x86_64
% 0.15/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.35  % Memory   : 8042.1875MB
% 0.15/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.35  % CPULimit   : 300
% 0.15/0.35  % WCLimit    : 300
% 0.15/0.35  % DateTime   : Tue Aug 30 14:46:19 EDT 2022
% 0.15/0.36  % CPUTime    : 
% 1.32/0.56  % (3250)dis+1002_1:12_drc=off:fd=preordered:tgt=full:i=99978:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99978Mi)
% 1.57/0.58  % (3271)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)
% 1.57/0.58  % (3250)First to succeed.
% 1.57/0.58  % (3258)dis+10_1:1_newcnf=on:sgt=8:sos=on:ss=axioms:to=lpo:urr=on:i=49:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/49Mi)
% 1.57/0.58  % (3250)Refutation found. Thanks to Tanya!
% 1.57/0.58  % SZS status Theorem for theBenchmark
% 1.57/0.58  % SZS output start Proof for theBenchmark
% See solution above
% 1.57/0.58  % (3250)------------------------------
% 1.57/0.58  % (3250)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.57/0.58  % (3250)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.57/0.58  % (3250)Termination reason: Refutation
% 1.57/0.58  
% 1.57/0.58  % (3250)Memory used [KB]: 6140
% 1.57/0.58  % (3250)Time elapsed: 0.134 s
% 1.57/0.58  % (3250)Instructions burned: 5 (million)
% 1.57/0.58  % (3250)------------------------------
% 1.57/0.58  % (3250)------------------------------
% 1.57/0.58  % (3249)Success in time 0.219 s
%------------------------------------------------------------------------------