TSTP Solution File: SET024+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET024+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 : n020.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 18:23:13 EDT 2022

% Result   : Theorem 0.20s 0.52s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   19 (   7 unt;   0 def)
%            Number of atoms       :   56 (  19 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :   60 (  23   ~;  17   |;  15   &)
%                                         (   2 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   26 (  24   !;   2   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f309,plain,
    $false,
    inference(subsumption_resolution,[],[f307,f215]) ).

fof(f215,plain,
    member(sK5,universal_class),
    inference(cnf_transformation,[],[f129]) ).

fof(f129,plain,
    ( member(sK5,universal_class)
    & ~ member(sK5,singleton(sK5)) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK5])],[f78,f128]) ).

fof(f128,plain,
    ( ? [X0] :
        ( member(X0,universal_class)
        & ~ member(X0,singleton(X0)) )
   => ( member(sK5,universal_class)
      & ~ member(sK5,singleton(sK5)) ) ),
    introduced(choice_axiom,[]) ).

fof(f78,plain,
    ? [X0] :
      ( member(X0,universal_class)
      & ~ member(X0,singleton(X0)) ),
    inference(ennf_transformation,[],[f45]) ).

fof(f45,negated_conjecture,
    ~ ! [X0] :
        ( member(X0,universal_class)
       => member(X0,singleton(X0)) ),
    inference(negated_conjecture,[],[f44]) ).

fof(f44,conjecture,
    ! [X0] :
      ( member(X0,universal_class)
     => member(X0,singleton(X0)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',set_in_its_singleton) ).

fof(f307,plain,
    ~ member(sK5,universal_class),
    inference(resolution,[],[f279,f268]) ).

fof(f268,plain,
    ~ member(sK5,unordered_pair(sK5,sK5)),
    inference(definition_unfolding,[],[f214,f184]) ).

fof(f184,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(f214,plain,
    ~ member(sK5,singleton(sK5)),
    inference(cnf_transformation,[],[f129]) ).

fof(f279,plain,
    ! [X2,X1] :
      ( member(X2,unordered_pair(X2,X1))
      | ~ member(X2,universal_class) ),
    inference(equality_resolution,[],[f189]) ).

fof(f189,plain,
    ! [X2,X0,X1] :
      ( member(X0,unordered_pair(X2,X1))
      | ~ member(X0,universal_class)
      | X0 != X2 ),
    inference(cnf_transformation,[],[f114]) ).

fof(f114,plain,
    ! [X0,X1,X2] :
      ( ( member(X0,unordered_pair(X2,X1))
        | ~ member(X0,universal_class)
        | ( X0 != X2
          & X0 != X1 ) )
      & ( ( member(X0,universal_class)
          & ( X0 = X2
            | X0 = X1 ) )
        | ~ member(X0,unordered_pair(X2,X1)) ) ),
    inference(rectify,[],[f113]) ).

fof(f113,plain,
    ! [X1,X0,X2] :
      ( ( member(X1,unordered_pair(X2,X0))
        | ~ member(X1,universal_class)
        | ( X1 != X2
          & X0 != X1 ) )
      & ( ( member(X1,universal_class)
          & ( X1 = X2
            | X0 = X1 ) )
        | ~ member(X1,unordered_pair(X2,X0)) ) ),
    inference(flattening,[],[f112]) ).

fof(f112,plain,
    ! [X1,X0,X2] :
      ( ( member(X1,unordered_pair(X2,X0))
        | ~ member(X1,universal_class)
        | ( X1 != X2
          & X0 != X1 ) )
      & ( ( member(X1,universal_class)
          & ( X1 = X2
            | X0 = X1 ) )
        | ~ member(X1,unordered_pair(X2,X0)) ) ),
    inference(nnf_transformation,[],[f69]) ).

fof(f69,plain,
    ! [X1,X0,X2] :
      ( member(X1,unordered_pair(X2,X0))
    <=> ( member(X1,universal_class)
        & ( X1 = X2
          | X0 = X1 ) ) ),
    inference(rectify,[],[f4]) ).

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

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem    : SET024+1 : TPTP v8.1.0. Bugfixed v5.4.0.
% 0.07/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.13/0.35  % Computer : n020.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit   : 300
% 0.13/0.35  % WCLimit    : 300
% 0.13/0.35  % DateTime   : Tue Aug 30 12:58:00 EDT 2022
% 0.13/0.35  % CPUTime    : 
% 0.20/0.50  % (32660)ott+11_1:1_drc=off:nwc=5.0:slsq=on:slsqc=1:spb=goal_then_units:to=lpo:i=467:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/467Mi)
% 0.20/0.51  % (32652)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=75:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/75Mi)
% 0.20/0.51  % (32644)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.20/0.52  % (32648)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.20/0.52  % (32660)First to succeed.
% 0.20/0.52  % (32652)Also succeeded, but the first one will report.
% 0.20/0.52  % (32660)Refutation found. Thanks to Tanya!
% 0.20/0.52  % SZS status Theorem for theBenchmark
% 0.20/0.52  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.52  % (32660)------------------------------
% 0.20/0.52  % (32660)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.52  % (32660)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.52  % (32660)Termination reason: Refutation
% 0.20/0.52  
% 0.20/0.52  % (32660)Memory used [KB]: 5628
% 0.20/0.52  % (32660)Time elapsed: 0.069 s
% 0.20/0.52  % (32660)Instructions burned: 10 (million)
% 0.20/0.52  % (32660)------------------------------
% 0.20/0.52  % (32660)------------------------------
% 0.20/0.52  % (32636)Success in time 0.164 s
%------------------------------------------------------------------------------