TSTP Solution File: GEO227+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : GEO227+1 : TPTP v8.1.0. Bugfixed v6.4.0.
% 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 : n009.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 16:12:23 EDT 2022

% Result   : Theorem 0.19s 0.51s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   21 (   6 unt;   0 def)
%            Number of atoms       :   67 (   0 equ)
%            Maximal formula atoms :    8 (   3 avg)
%            Number of connectives :   81 (  35   ~;  14   |;  26   &)
%                                         (   0 <=>;   6  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-1 aty)
%            Number of variables   :   24 (  16   !;   8   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f163,plain,
    $false,
    inference(subsumption_resolution,[],[f162,f119]) ).

fof(f119,plain,
    line(sK0),
    inference(cnf_transformation,[],[f105]) ).

fof(f105,plain,
    ( ~ unequally_directed_lines(sK1,sK0)
    & ~ unequally_directed_lines(sK1,reverse_line(sK0))
    & line(sK1)
    & line(sK0) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f103,f104]) ).

fof(f104,plain,
    ( ? [X0,X1] :
        ( ~ unequally_directed_lines(X1,X0)
        & ~ unequally_directed_lines(X1,reverse_line(X0))
        & line(X1)
        & line(X0) )
   => ( ~ unequally_directed_lines(sK1,sK0)
      & ~ unequally_directed_lines(sK1,reverse_line(sK0))
      & line(sK1)
      & line(sK0) ) ),
    introduced(choice_axiom,[]) ).

fof(f103,plain,
    ? [X0,X1] :
      ( ~ unequally_directed_lines(X1,X0)
      & ~ unequally_directed_lines(X1,reverse_line(X0))
      & line(X1)
      & line(X0) ),
    inference(rectify,[],[f82]) ).

fof(f82,plain,
    ? [X1,X0] :
      ( ~ unequally_directed_lines(X0,X1)
      & ~ unequally_directed_lines(X0,reverse_line(X1))
      & line(X0)
      & line(X1) ),
    inference(flattening,[],[f81]) ).

fof(f81,plain,
    ? [X0,X1] :
      ( ~ unequally_directed_lines(X0,X1)
      & ~ unequally_directed_lines(X0,reverse_line(X1))
      & line(X0)
      & line(X1) ),
    inference(ennf_transformation,[],[f58]) ).

fof(f58,plain,
    ~ ! [X0,X1] :
        ( ( line(X0)
          & line(X1) )
       => ~ ( ~ unequally_directed_lines(X0,X1)
            & ~ unequally_directed_lines(X0,reverse_line(X1)) ) ),
    inference(rectify,[],[f33]) ).

fof(f33,negated_conjecture,
    ~ ! [X1,X2] :
        ( ( line(X2)
          & line(X1) )
       => ~ ( ~ unequally_directed_lines(X1,X2)
            & ~ unequally_directed_lines(X1,reverse_line(X2)) ) ),
    inference(negated_conjecture,[],[f32]) ).

fof(f32,conjecture,
    ! [X1,X2] :
      ( ( line(X2)
        & line(X1) )
     => ~ ( ~ unequally_directed_lines(X1,X2)
          & ~ unequally_directed_lines(X1,reverse_line(X2)) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',con) ).

fof(f162,plain,
    ~ line(sK0),
    inference(subsumption_resolution,[],[f161,f122]) ).

fof(f122,plain,
    ~ unequally_directed_lines(sK1,sK0),
    inference(cnf_transformation,[],[f105]) ).

fof(f161,plain,
    ( unequally_directed_lines(sK1,sK0)
    | ~ line(sK0) ),
    inference(subsumption_resolution,[],[f160,f120]) ).

fof(f120,plain,
    line(sK1),
    inference(cnf_transformation,[],[f105]) ).

fof(f160,plain,
    ( ~ line(sK1)
    | unequally_directed_lines(sK1,sK0)
    | ~ line(sK0) ),
    inference(resolution,[],[f153,f121]) ).

fof(f121,plain,
    ~ unequally_directed_lines(sK1,reverse_line(sK0)),
    inference(cnf_transformation,[],[f105]) ).

fof(f153,plain,
    ! [X0,X1] :
      ( unequally_directed_lines(X1,reverse_line(X0))
      | unequally_directed_lines(X1,X0)
      | ~ line(X1)
      | ~ line(X0) ),
    inference(cnf_transformation,[],[f73]) ).

fof(f73,plain,
    ! [X0,X1] :
      ( ~ line(X0)
      | unequally_directed_lines(X1,X0)
      | ~ line(X1)
      | unequally_directed_lines(X1,reverse_line(X0)) ),
    inference(flattening,[],[f72]) ).

fof(f72,plain,
    ! [X1,X0] :
      ( unequally_directed_lines(X1,reverse_line(X0))
      | unequally_directed_lines(X1,X0)
      | ~ line(X1)
      | ~ line(X0) ),
    inference(ennf_transformation,[],[f51]) ).

fof(f51,plain,
    ! [X1,X0] :
      ( ( line(X1)
        & line(X0) )
     => ( unequally_directed_lines(X1,reverse_line(X0))
        | unequally_directed_lines(X1,X0) ) ),
    inference(rectify,[],[f13]) ).

fof(f13,axiom,
    ! [X2,X1] :
      ( ( line(X1)
        & line(X2) )
     => ( unequally_directed_lines(X1,X2)
        | unequally_directed_lines(X1,reverse_line(X2)) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',oag8) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem    : GEO227+1 : TPTP v8.1.0. Bugfixed v6.4.0.
% 0.12/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.12/0.34  % Computer : n009.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit   : 300
% 0.12/0.34  % WCLimit    : 300
% 0.12/0.34  % DateTime   : Mon Aug 29 21:29:20 EDT 2022
% 0.12/0.34  % CPUTime    : 
% 0.19/0.50  % (11316)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.19/0.50  % (11332)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)
% 0.19/0.50  % (11316)First to succeed.
% 0.19/0.51  % (11309)fmb+10_1:1_bce=on:fmbsr=1.5:nm=4:skr=on:i=191324:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/191324Mi)
% 0.19/0.51  % (11316)Refutation found. Thanks to Tanya!
% 0.19/0.51  % SZS status Theorem for theBenchmark
% 0.19/0.51  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.51  % (11316)------------------------------
% 0.19/0.51  % (11316)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.51  % (11316)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.51  % (11316)Termination reason: Refutation
% 0.19/0.51  
% 0.19/0.51  % (11316)Memory used [KB]: 5500
% 0.19/0.51  % (11316)Time elapsed: 0.100 s
% 0.19/0.51  % (11316)Instructions burned: 3 (million)
% 0.19/0.51  % (11316)------------------------------
% 0.19/0.51  % (11316)------------------------------
% 0.19/0.51  % (11308)Success in time 0.164 s
%------------------------------------------------------------------------------