TSTP Solution File: SET688+4 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : SET688+4 : TPTP v8.1.0. Released v2.2.0.
% 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 : n002.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 18:21:53 EDT 2022

% Result   : Theorem 0.20s 0.50s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   37 (   8 unt;   0 def)
%            Number of atoms       :  131 (   0 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :  153 (  59   ~;  37   |;  48   &)
%                                         (   3 <=>;   6  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   6 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :   71 (  56   !;  15   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f71,plain,
    $false,
    inference(subsumption_resolution,[],[f69,f50]) ).

fof(f50,plain,
    ~ subset(sK1,sK2),
    inference(subsumption_resolution,[],[f47,f30]) ).

fof(f30,plain,
    ~ equal_set(sK2,sK1),
    inference(cnf_transformation,[],[f20]) ).

fof(f20,plain,
    ( equal_set(sK2,sK0)
    & ~ equal_set(sK1,sK0)
    & ~ equal_set(sK2,sK1)
    & subset(sK1,sK0)
    & subset(sK2,sK1) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2])],[f18,f19]) ).

fof(f19,plain,
    ( ? [X0,X1,X2] :
        ( equal_set(X2,X0)
        & ~ equal_set(X1,X0)
        & ~ equal_set(X2,X1)
        & subset(X1,X0)
        & subset(X2,X1) )
   => ( equal_set(sK2,sK0)
      & ~ equal_set(sK1,sK0)
      & ~ equal_set(sK2,sK1)
      & subset(sK1,sK0)
      & subset(sK2,sK1) ) ),
    introduced(choice_axiom,[]) ).

fof(f18,plain,
    ? [X0,X1,X2] :
      ( equal_set(X2,X0)
      & ~ equal_set(X1,X0)
      & ~ equal_set(X2,X1)
      & subset(X1,X0)
      & subset(X2,X1) ),
    inference(rectify,[],[f16]) ).

fof(f16,plain,
    ? [X1,X2,X0] :
      ( equal_set(X0,X1)
      & ~ equal_set(X2,X1)
      & ~ equal_set(X0,X2)
      & subset(X2,X1)
      & subset(X0,X2) ),
    inference(flattening,[],[f15]) ).

fof(f15,plain,
    ? [X2,X0,X1] :
      ( equal_set(X0,X1)
      & ~ equal_set(X0,X2)
      & subset(X0,X2)
      & subset(X2,X1)
      & ~ equal_set(X2,X1) ),
    inference(ennf_transformation,[],[f14]) ).

fof(f14,plain,
    ~ ! [X2,X0,X1] :
        ( ( ~ equal_set(X0,X2)
          & subset(X0,X2)
          & subset(X2,X1)
          & ~ equal_set(X2,X1) )
       => ~ equal_set(X0,X1) ),
    inference(rectify,[],[f13]) ).

fof(f13,negated_conjecture,
    ~ ! [X0,X5,X1] :
        ( ( subset(X1,X5)
          & ~ equal_set(X1,X5)
          & ~ equal_set(X0,X1)
          & subset(X0,X1) )
       => ~ equal_set(X0,X5) ),
    inference(negated_conjecture,[],[f12]) ).

fof(f12,conjecture,
    ! [X0,X5,X1] :
      ( ( subset(X1,X5)
        & ~ equal_set(X1,X5)
        & ~ equal_set(X0,X1)
        & subset(X0,X1) )
     => ~ equal_set(X0,X5) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',thI04) ).

fof(f47,plain,
    ( equal_set(sK2,sK1)
    | ~ subset(sK1,sK2) ),
    inference(resolution,[],[f36,f28]) ).

fof(f28,plain,
    subset(sK2,sK1),
    inference(cnf_transformation,[],[f20]) ).

fof(f36,plain,
    ! [X0,X1] :
      ( ~ subset(X1,X0)
      | equal_set(X1,X0)
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f27]) ).

fof(f27,plain,
    ! [X0,X1] :
      ( ( ( subset(X0,X1)
          & subset(X1,X0) )
        | ~ equal_set(X1,X0) )
      & ( equal_set(X1,X0)
        | ~ subset(X0,X1)
        | ~ subset(X1,X0) ) ),
    inference(rectify,[],[f26]) ).

fof(f26,plain,
    ! [X1,X0] :
      ( ( ( subset(X1,X0)
          & subset(X0,X1) )
        | ~ equal_set(X0,X1) )
      & ( equal_set(X0,X1)
        | ~ subset(X1,X0)
        | ~ subset(X0,X1) ) ),
    inference(flattening,[],[f25]) ).

fof(f25,plain,
    ! [X1,X0] :
      ( ( ( subset(X1,X0)
          & subset(X0,X1) )
        | ~ equal_set(X0,X1) )
      & ( equal_set(X0,X1)
        | ~ subset(X1,X0)
        | ~ subset(X0,X1) ) ),
    inference(nnf_transformation,[],[f2]) ).

fof(f2,axiom,
    ! [X1,X0] :
      ( ( subset(X1,X0)
        & subset(X0,X1) )
    <=> equal_set(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equal_set) ).

fof(f69,plain,
    subset(sK1,sK2),
    inference(resolution,[],[f67,f29]) ).

fof(f29,plain,
    subset(sK1,sK0),
    inference(cnf_transformation,[],[f20]) ).

fof(f67,plain,
    ! [X0] :
      ( ~ subset(X0,sK0)
      | subset(X0,sK2) ),
    inference(duplicate_literal_removal,[],[f65]) ).

fof(f65,plain,
    ! [X0] :
      ( subset(X0,sK2)
      | subset(X0,sK2)
      | ~ subset(X0,sK0) ),
    inference(resolution,[],[f61,f35]) ).

fof(f35,plain,
    ! [X0,X1] :
      ( ~ member(sK3(X0,X1),X0)
      | subset(X1,X0) ),
    inference(cnf_transformation,[],[f24]) ).

fof(f24,plain,
    ! [X0,X1] :
      ( ( subset(X1,X0)
        | ( ~ member(sK3(X0,X1),X0)
          & member(sK3(X0,X1),X1) ) )
      & ( ! [X3] :
            ( member(X3,X0)
            | ~ member(X3,X1) )
        | ~ subset(X1,X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3])],[f22,f23]) ).

fof(f23,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ~ member(X2,X0)
          & member(X2,X1) )
     => ( ~ member(sK3(X0,X1),X0)
        & member(sK3(X0,X1),X1) ) ),
    introduced(choice_axiom,[]) ).

fof(f22,plain,
    ! [X0,X1] :
      ( ( subset(X1,X0)
        | ? [X2] :
            ( ~ member(X2,X0)
            & member(X2,X1) ) )
      & ( ! [X3] :
            ( member(X3,X0)
            | ~ member(X3,X1) )
        | ~ subset(X1,X0) ) ),
    inference(rectify,[],[f21]) ).

fof(f21,plain,
    ! [X1,X0] :
      ( ( subset(X0,X1)
        | ? [X2] :
            ( ~ member(X2,X1)
            & member(X2,X0) ) )
      & ( ! [X2] :
            ( member(X2,X1)
            | ~ member(X2,X0) )
        | ~ subset(X0,X1) ) ),
    inference(nnf_transformation,[],[f17]) ).

fof(f17,plain,
    ! [X1,X0] :
      ( subset(X0,X1)
    <=> ! [X2] :
          ( member(X2,X1)
          | ~ member(X2,X0) ) ),
    inference(ennf_transformation,[],[f1]) ).

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

fof(f61,plain,
    ! [X3,X4] :
      ( member(sK3(X4,X3),sK2)
      | ~ subset(X3,sK0)
      | subset(X3,X4) ),
    inference(resolution,[],[f58,f40]) ).

fof(f40,plain,
    subset(sK0,sK2),
    inference(resolution,[],[f38,f32]) ).

fof(f32,plain,
    equal_set(sK2,sK0),
    inference(cnf_transformation,[],[f20]) ).

fof(f38,plain,
    ! [X0,X1] :
      ( ~ equal_set(X1,X0)
      | subset(X0,X1) ),
    inference(cnf_transformation,[],[f27]) ).

fof(f58,plain,
    ! [X2,X3,X4,X5] :
      ( ~ subset(X4,X5)
      | ~ subset(X2,X4)
      | member(sK3(X3,X2),X5)
      | subset(X2,X3) ),
    inference(resolution,[],[f43,f33]) ).

fof(f33,plain,
    ! [X3,X0,X1] :
      ( ~ member(X3,X1)
      | ~ subset(X1,X0)
      | member(X3,X0) ),
    inference(cnf_transformation,[],[f24]) ).

fof(f43,plain,
    ! [X2,X0,X1] :
      ( member(sK3(X2,X0),X1)
      | subset(X0,X2)
      | ~ subset(X0,X1) ),
    inference(resolution,[],[f33,f34]) ).

fof(f34,plain,
    ! [X0,X1] :
      ( member(sK3(X0,X1),X1)
      | subset(X1,X0) ),
    inference(cnf_transformation,[],[f24]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : SET688+4 : TPTP v8.1.0. Released v2.2.0.
% 0.07/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.13/0.34  % Computer : n002.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit   : 300
% 0.13/0.34  % WCLimit    : 300
% 0.13/0.34  % DateTime   : Tue Aug 30 14:26:44 EDT 2022
% 0.13/0.35  % CPUTime    : 
% 0.20/0.50  % (21804)lrs+10_1:1024_nm=0:nwc=5.0:ss=axioms:i=13:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/13Mi)
% 0.20/0.50  % (21820)dis+1010_1:1_bs=on:ep=RS:erd=off:newcnf=on:nwc=10.0:s2a=on:sgt=32:ss=axioms:i=30:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/30Mi)
% 0.20/0.50  % (21804)First to succeed.
% 0.20/0.50  % (21804)Refutation found. Thanks to Tanya!
% 0.20/0.50  % SZS status Theorem for theBenchmark
% 0.20/0.50  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.50  % (21804)------------------------------
% 0.20/0.50  % (21804)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.50  % (21804)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.50  % (21804)Termination reason: Refutation
% 0.20/0.50  
% 0.20/0.50  % (21804)Memory used [KB]: 5884
% 0.20/0.50  % (21804)Time elapsed: 0.100 s
% 0.20/0.50  % (21804)Instructions burned: 2 (million)
% 0.20/0.50  % (21804)------------------------------
% 0.20/0.50  % (21804)------------------------------
% 0.20/0.50  % (21796)Success in time 0.15 s
%------------------------------------------------------------------------------