TSTP Solution File: SET867+1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SET867+1 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -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 : Tue Apr 30 15:13:50 EDT 2024

% Result   : Theorem 0.11s 0.35s
% Output   : Refutation 0.11s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   32 (   9 unt;   0 def)
%            Number of atoms       :  112 (  18 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :  128 (  48   ~;  45   |;  25   &)
%                                         (   7 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   1 con; 0-2 aty)
%            Number of variables   :   67 (  56   !;  11   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f64,plain,
    $false,
    inference(unit_resulting_resolution,[],[f60,f49,f48,f36]) ).

fof(f36,plain,
    ! [X3,X0,X1] :
      ( ~ sP1(X0,X1)
      | ~ in(X3,X1)
      | sP0(X0,X3) ),
    inference(cnf_transformation,[],[f21]) ).

fof(f21,plain,
    ! [X0,X1] :
      ( ( sP1(X0,X1)
        | ( ( ~ sP0(X0,sK3(X0,X1))
            | ~ in(sK3(X0,X1),X1) )
          & ( sP0(X0,sK3(X0,X1))
            | in(sK3(X0,X1),X1) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X1)
              | ~ sP0(X0,X3) )
            & ( sP0(X0,X3)
              | ~ in(X3,X1) ) )
        | ~ sP1(X0,X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3])],[f19,f20]) ).

fof(f20,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ( ~ sP0(X0,X2)
            | ~ in(X2,X1) )
          & ( sP0(X0,X2)
            | in(X2,X1) ) )
     => ( ( ~ sP0(X0,sK3(X0,X1))
          | ~ in(sK3(X0,X1),X1) )
        & ( sP0(X0,sK3(X0,X1))
          | in(sK3(X0,X1),X1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f19,plain,
    ! [X0,X1] :
      ( ( sP1(X0,X1)
        | ? [X2] :
            ( ( ~ sP0(X0,X2)
              | ~ in(X2,X1) )
            & ( sP0(X0,X2)
              | in(X2,X1) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X1)
              | ~ sP0(X0,X3) )
            & ( sP0(X0,X3)
              | ~ in(X3,X1) ) )
        | ~ sP1(X0,X1) ) ),
    inference(rectify,[],[f18]) ).

fof(f18,plain,
    ! [X0,X1] :
      ( ( sP1(X0,X1)
        | ? [X2] :
            ( ( ~ sP0(X0,X2)
              | ~ in(X2,X1) )
            & ( sP0(X0,X2)
              | in(X2,X1) ) ) )
      & ( ! [X2] :
            ( ( in(X2,X1)
              | ~ sP0(X0,X2) )
            & ( sP0(X0,X2)
              | ~ in(X2,X1) ) )
        | ~ sP1(X0,X1) ) ),
    inference(nnf_transformation,[],[f12]) ).

fof(f12,plain,
    ! [X0,X1] :
      ( sP1(X0,X1)
    <=> ! [X2] :
          ( in(X2,X1)
        <=> sP0(X0,X2) ) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[sP1])]) ).

fof(f48,plain,
    ! [X0] : sP1(X0,union(X0)),
    inference(equality_resolution,[],[f43]) ).

fof(f43,plain,
    ! [X0,X1] :
      ( sP1(X0,X1)
      | union(X0) != X1 ),
    inference(cnf_transformation,[],[f26]) ).

fof(f26,plain,
    ! [X0,X1] :
      ( ( union(X0) = X1
        | ~ sP1(X0,X1) )
      & ( sP1(X0,X1)
        | union(X0) != X1 ) ),
    inference(nnf_transformation,[],[f13]) ).

fof(f13,plain,
    ! [X0,X1] :
      ( union(X0) = X1
    <=> sP1(X0,X1) ),
    inference(definition_folding,[],[f3,f12,f11]) ).

fof(f11,plain,
    ! [X0,X2] :
      ( sP0(X0,X2)
    <=> ? [X3] :
          ( in(X3,X0)
          & in(X2,X3) ) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[sP0])]) ).

fof(f3,axiom,
    ! [X0,X1] :
      ( union(X0) = X1
    <=> ! [X2] :
          ( in(X2,X1)
        <=> ? [X3] :
              ( in(X3,X0)
              & in(X2,X3) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_tarski) ).

fof(f49,plain,
    in(sK2(union(empty_set)),union(empty_set)),
    inference(unit_resulting_resolution,[],[f31,f34]) ).

fof(f34,plain,
    ! [X0] :
      ( in(sK2(X0),X0)
      | empty_set = X0 ),
    inference(cnf_transformation,[],[f17]) ).

fof(f17,plain,
    ! [X0] :
      ( ( empty_set = X0
        | in(sK2(X0),X0) )
      & ( ! [X2] : ~ in(X2,X0)
        | empty_set != X0 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2])],[f15,f16]) ).

fof(f16,plain,
    ! [X0] :
      ( ? [X1] : in(X1,X0)
     => in(sK2(X0),X0) ),
    introduced(choice_axiom,[]) ).

fof(f15,plain,
    ! [X0] :
      ( ( empty_set = X0
        | ? [X1] : in(X1,X0) )
      & ( ! [X2] : ~ in(X2,X0)
        | empty_set != X0 ) ),
    inference(rectify,[],[f14]) ).

fof(f14,plain,
    ! [X0] :
      ( ( empty_set = X0
        | ? [X1] : in(X1,X0) )
      & ( ! [X1] : ~ in(X1,X0)
        | empty_set != X0 ) ),
    inference(nnf_transformation,[],[f2]) ).

fof(f2,axiom,
    ! [X0] :
      ( empty_set = X0
    <=> ! [X1] : ~ in(X1,X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_xboole_0) ).

fof(f31,plain,
    empty_set != union(empty_set),
    inference(cnf_transformation,[],[f9]) ).

fof(f9,plain,
    empty_set != union(empty_set),
    inference(flattening,[],[f8]) ).

fof(f8,negated_conjecture,
    empty_set != union(empty_set),
    inference(negated_conjecture,[],[f7]) ).

fof(f7,conjecture,
    empty_set = union(empty_set),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_zfmisc_1) ).

fof(f60,plain,
    ! [X0] : ~ sP0(empty_set,X0),
    inference(unit_resulting_resolution,[],[f47,f41]) ).

fof(f41,plain,
    ! [X0,X1] :
      ( ~ sP0(X0,X1)
      | in(sK4(X0,X1),X0) ),
    inference(cnf_transformation,[],[f25]) ).

fof(f25,plain,
    ! [X0,X1] :
      ( ( sP0(X0,X1)
        | ! [X2] :
            ( ~ in(X2,X0)
            | ~ in(X1,X2) ) )
      & ( ( in(sK4(X0,X1),X0)
          & in(X1,sK4(X0,X1)) )
        | ~ sP0(X0,X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK4])],[f23,f24]) ).

fof(f24,plain,
    ! [X0,X1] :
      ( ? [X3] :
          ( in(X3,X0)
          & in(X1,X3) )
     => ( in(sK4(X0,X1),X0)
        & in(X1,sK4(X0,X1)) ) ),
    introduced(choice_axiom,[]) ).

fof(f23,plain,
    ! [X0,X1] :
      ( ( sP0(X0,X1)
        | ! [X2] :
            ( ~ in(X2,X0)
            | ~ in(X1,X2) ) )
      & ( ? [X3] :
            ( in(X3,X0)
            & in(X1,X3) )
        | ~ sP0(X0,X1) ) ),
    inference(rectify,[],[f22]) ).

fof(f22,plain,
    ! [X0,X2] :
      ( ( sP0(X0,X2)
        | ! [X3] :
            ( ~ in(X3,X0)
            | ~ in(X2,X3) ) )
      & ( ? [X3] :
            ( in(X3,X0)
            & in(X2,X3) )
        | ~ sP0(X0,X2) ) ),
    inference(nnf_transformation,[],[f11]) ).

fof(f47,plain,
    ! [X2] : ~ in(X2,empty_set),
    inference(equality_resolution,[],[f33]) ).

fof(f33,plain,
    ! [X2,X0] :
      ( ~ in(X2,X0)
      | empty_set != X0 ),
    inference(cnf_transformation,[],[f17]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.11  % Problem    : SET867+1 : TPTP v8.1.2. Released v3.2.0.
% 0.02/0.12  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.11/0.32  % Computer : n020.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit   : 300
% 0.11/0.32  % WCLimit    : 300
% 0.11/0.32  % DateTime   : Tue Apr 30 01:33:17 EDT 2024
% 0.11/0.33  % CPUTime    : 
% 0.11/0.33  % (6416)Running in auto input_syntax mode. Trying TPTP
% 0.11/0.34  % (6420)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.11/0.34  % (6423)ott+1_64_av=off:bd=off:bce=on:fsd=off:fde=unused:gsp=on:irw=on:lcm=predicate:lma=on:nm=2:nwc=1.1:sims=off:urr=on_497 on theBenchmark for (497ds/0Mi)
% 0.11/0.34  % (6421)ott+10_10:1_add=off:afr=on:amm=off:anc=all:bd=off:bs=on:fsr=off:irw=on:lma=on:msp=off:nm=4:nwc=4.0:sac=on:sp=reverse_frequency_531 on theBenchmark for (531ds/0Mi)
% 0.11/0.34  % (6422)ott-10_8_av=off:bd=preordered:bs=on:fsd=off:fsr=off:fde=unused:irw=on:lcm=predicate:lma=on:nm=4:nwc=1.7:sp=frequency_522 on theBenchmark for (522ds/0Mi)
% 0.11/0.34  % (6423)First to succeed.
% 0.11/0.35  % (6422)Also succeeded, but the first one will report.
% 0.11/0.35  % (6423)Refutation found. Thanks to Tanya!
% 0.11/0.35  % SZS status Theorem for theBenchmark
% 0.11/0.35  % SZS output start Proof for theBenchmark
% See solution above
% 0.11/0.35  % (6423)------------------------------
% 0.11/0.35  % (6423)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.11/0.35  % (6423)Termination reason: Refutation
% 0.11/0.35  
% 0.11/0.35  % (6423)Memory used [KB]: 757
% 0.11/0.35  % (6423)Time elapsed: 0.004 s
% 0.11/0.35  % (6423)Instructions burned: 4 (million)
% 0.11/0.35  % (6423)------------------------------
% 0.11/0.35  % (6423)------------------------------
% 0.11/0.35  % (6416)Success in time 0.017 s
%------------------------------------------------------------------------------