TSTP Solution File: SET899+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET899+1 : TPTP v8.1.0. Released v3.2.0.
% 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 : 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 18:26:02 EDT 2022

% Result   : Theorem 0.20s 0.48s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   23 (   8 unt;   0 def)
%            Number of atoms       :   55 (   2 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :   53 (  21   ~;  17   |;  10   &)
%                                         (   0 <=>;   5  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   5 con; 0-2 aty)
%            Number of variables   :   36 (  27   !;   9   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f39,plain,
    $false,
    inference(subsumption_resolution,[],[f38,f33]) ).

fof(f33,plain,
    ~ subset(sK2,sF6),
    inference(definition_folding,[],[f27,f32,f31]) ).

fof(f31,plain,
    sF5 = singleton(sK3),
    introduced(function_definition,[]) ).

fof(f32,plain,
    sF6 = set_difference(sK4,sF5),
    introduced(function_definition,[]) ).

fof(f27,plain,
    ~ subset(sK2,set_difference(sK4,singleton(sK3))),
    inference(cnf_transformation,[],[f22]) ).

fof(f22,plain,
    ( ~ in(sK3,sK2)
    & subset(sK2,sK4)
    & ~ subset(sK2,set_difference(sK4,singleton(sK3))) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2,sK3,sK4])],[f14,f21]) ).

fof(f21,plain,
    ( ? [X0,X1,X2] :
        ( ~ in(X1,X0)
        & subset(X0,X2)
        & ~ subset(X0,set_difference(X2,singleton(X1))) )
   => ( ~ in(sK3,sK2)
      & subset(sK2,sK4)
      & ~ subset(sK2,set_difference(sK4,singleton(sK3))) ) ),
    introduced(choice_axiom,[]) ).

fof(f14,plain,
    ? [X0,X1,X2] :
      ( ~ in(X1,X0)
      & subset(X0,X2)
      & ~ subset(X0,set_difference(X2,singleton(X1))) ),
    inference(flattening,[],[f13]) ).

fof(f13,plain,
    ? [X0,X1,X2] :
      ( ~ in(X1,X0)
      & ~ subset(X0,set_difference(X2,singleton(X1)))
      & subset(X0,X2) ),
    inference(ennf_transformation,[],[f8]) ).

fof(f8,plain,
    ~ ! [X0,X1,X2] :
        ( subset(X0,X2)
       => ( in(X1,X0)
          | subset(X0,set_difference(X2,singleton(X1))) ) ),
    inference(rectify,[],[f6]) ).

fof(f6,negated_conjecture,
    ~ ! [X0,X2,X1] :
        ( subset(X0,X1)
       => ( subset(X0,set_difference(X1,singleton(X2)))
          | in(X2,X0) ) ),
    inference(negated_conjecture,[],[f5]) ).

fof(f5,conjecture,
    ! [X0,X2,X1] :
      ( subset(X0,X1)
     => ( subset(X0,set_difference(X1,singleton(X2)))
        | in(X2,X0) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t40_zfmisc_1) ).

fof(f38,plain,
    subset(sK2,sF6),
    inference(subsumption_resolution,[],[f36,f29]) ).

fof(f29,plain,
    ~ in(sK3,sK2),
    inference(cnf_transformation,[],[f22]) ).

fof(f36,plain,
    ( in(sK3,sK2)
    | subset(sK2,sF6) ),
    inference(resolution,[],[f35,f28]) ).

fof(f28,plain,
    subset(sK2,sK4),
    inference(cnf_transformation,[],[f22]) ).

fof(f35,plain,
    ! [X0] :
      ( ~ subset(X0,sK4)
      | subset(X0,sF6)
      | in(sK3,X0) ),
    inference(superposition,[],[f34,f32]) ).

fof(f34,plain,
    ! [X0,X1] :
      ( subset(X0,set_difference(X1,sF5))
      | in(sK3,X0)
      | ~ subset(X0,X1) ),
    inference(superposition,[],[f26,f31]) ).

fof(f26,plain,
    ! [X2,X0,X1] :
      ( subset(X2,set_difference(X0,singleton(X1)))
      | in(X1,X2)
      | ~ subset(X2,X0) ),
    inference(cnf_transformation,[],[f20]) ).

fof(f20,plain,
    ! [X0,X1,X2] :
      ( subset(X2,set_difference(X0,singleton(X1)))
      | ~ subset(X2,X0)
      | in(X1,X2) ),
    inference(rectify,[],[f12]) ).

fof(f12,plain,
    ! [X1,X2,X0] :
      ( subset(X0,set_difference(X1,singleton(X2)))
      | ~ subset(X0,X1)
      | in(X2,X0) ),
    inference(flattening,[],[f11]) ).

fof(f11,plain,
    ! [X1,X2,X0] :
      ( in(X2,X0)
      | subset(X0,set_difference(X1,singleton(X2)))
      | ~ subset(X0,X1) ),
    inference(ennf_transformation,[],[f7]) ).

fof(f7,axiom,
    ! [X1,X2,X0] :
      ( subset(X0,X1)
     => ( in(X2,X0)
        | subset(X0,set_difference(X1,singleton(X2))) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l3_zfmisc_1) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem    : SET899+1 : TPTP v8.1.0. Released v3.2.0.
% 0.13/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.13/0.34  % Computer : n024.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 14:31:04 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.20/0.47  % (25932)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/100Mi)
% 0.20/0.47  % (25939)ott+10_1:1_tgt=ground:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/100Mi)
% 0.20/0.47  % (25939)First to succeed.
% 0.20/0.48  % (25947)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/68Mi)
% 0.20/0.48  % (25939)Refutation found. Thanks to Tanya!
% 0.20/0.48  % SZS status Theorem for theBenchmark
% 0.20/0.48  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.48  % (25939)------------------------------
% 0.20/0.48  % (25939)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.48  % (25939)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.48  % (25939)Termination reason: Refutation
% 0.20/0.48  
% 0.20/0.48  % (25939)Memory used [KB]: 5373
% 0.20/0.48  % (25939)Time elapsed: 0.086 s
% 0.20/0.48  % (25939)Instructions burned: 2 (million)
% 0.20/0.48  % (25939)------------------------------
% 0.20/0.48  % (25939)------------------------------
% 0.20/0.48  % (25920)Success in time 0.136 s
%------------------------------------------------------------------------------