TSTP Solution File: LCL491+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : LCL491+1 : TPTP v8.1.0. Released v3.3.0.
% 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 : n012.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 17:48:31 EDT 2022

% Result   : Theorem 0.17s 0.48s
% Output   : Refutation 0.17s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   23
% Syntax   : Number of formulae    :   77 (  21 unt;   0 def)
%            Number of atoms       :  150 (  27 equ)
%            Maximal formula atoms :    6 (   1 avg)
%            Number of connectives :  128 (  55   ~;  50   |;   0   &)
%                                         (  14 <=>;   9  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :   19 (  17 usr;  17 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   2 con; 0-2 aty)
%            Number of variables   :   80 (  76   !;   4   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f221,plain,
    $false,
    inference(avatar_sat_refutation,[],[f145,f154,f156,f172,f180,f189,f191,f195,f196,f200,f220]) ).

fof(f220,plain,
    ( ~ spl2_3
    | spl2_5
    | ~ spl2_9
    | ~ spl2_12
    | ~ spl2_13 ),
    inference(avatar_contradiction_clause,[],[f219]) ).

fof(f219,plain,
    ( $false
    | ~ spl2_3
    | spl2_5
    | ~ spl2_9
    | ~ spl2_12
    | ~ spl2_13 ),
    inference(subsumption_resolution,[],[f218,f208]) ).

fof(f208,plain,
    ( ! [X0,X1] : is_a_theorem(implies(X1,implies(not(X0),X1)))
    | ~ spl2_3
    | ~ spl2_9
    | ~ spl2_12
    | ~ spl2_13 ),
    inference(backward_demodulation,[],[f184,f206]) ).

fof(f206,plain,
    ( ! [X0,X1] : or(X0,X1) = implies(not(X0),X1)
    | ~ spl2_3
    | ~ spl2_9
    | ~ spl2_12 ),
    inference(forward_demodulation,[],[f205,f202]) ).

fof(f202,plain,
    ( ! [X0,X1] : implies(X0,X1) = not(not(implies(X0,not(not(X1)))))
    | ~ spl2_9
    | ~ spl2_12 ),
    inference(backward_demodulation,[],[f179,f201]) ).

fof(f201,plain,
    ( ! [X0,X1] : not(implies(X1,not(X0))) = and(X1,X0)
    | ~ spl2_9 ),
    inference(forward_demodulation,[],[f167,f199]) ).

fof(f199,plain,
    ! [X0,X1] : implies(X1,X0) = or(not(X1),X0),
    inference(subsumption_resolution,[],[f108,f122]) ).

fof(f122,plain,
    op_implies_or,
    inference(cnf_transformation,[],[f32]) ).

fof(f32,axiom,
    op_implies_or,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',principia_op_implies_or) ).

fof(f108,plain,
    ! [X0,X1] :
      ( implies(X1,X0) = or(not(X1),X0)
      | ~ op_implies_or ),
    inference(cnf_transformation,[],[f97]) ).

fof(f97,plain,
    ( ! [X0,X1] : implies(X1,X0) = or(not(X1),X0)
    | ~ op_implies_or ),
    inference(rectify,[],[f90]) ).

fof(f90,plain,
    ( ! [X1,X0] : implies(X0,X1) = or(not(X0),X1)
    | ~ op_implies_or ),
    inference(ennf_transformation,[],[f30]) ).

fof(f30,axiom,
    ( op_implies_or
   => ! [X1,X0] : implies(X0,X1) = or(not(X0),X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',op_implies_or) ).

fof(f167,plain,
    ( ! [X0,X1] : not(or(not(X1),not(X0))) = and(X1,X0)
    | ~ spl2_9 ),
    inference(avatar_component_clause,[],[f166]) ).

fof(f166,plain,
    ( spl2_9
  <=> ! [X0,X1] : not(or(not(X1),not(X0))) = and(X1,X0) ),
    introduced(avatar_definition,[new_symbols(naming,[spl2_9])]) ).

fof(f179,plain,
    ( ! [X0,X1] : implies(X0,X1) = not(and(X0,not(X1)))
    | ~ spl2_12 ),
    inference(avatar_component_clause,[],[f178]) ).

fof(f178,plain,
    ( spl2_12
  <=> ! [X0,X1] : implies(X0,X1) = not(and(X0,not(X1))) ),
    introduced(avatar_definition,[new_symbols(naming,[spl2_12])]) ).

fof(f205,plain,
    ( ! [X0,X1] : or(X0,X1) = not(not(implies(not(X0),not(not(X1)))))
    | ~ spl2_3
    | ~ spl2_9 ),
    inference(forward_demodulation,[],[f140,f201]) ).

fof(f140,plain,
    ( ! [X0,X1] : or(X0,X1) = not(and(not(X0),not(X1)))
    | ~ spl2_3 ),
    inference(avatar_component_clause,[],[f139]) ).

fof(f139,plain,
    ( spl2_3
  <=> ! [X0,X1] : or(X0,X1) = not(and(not(X0),not(X1))) ),
    introduced(avatar_definition,[new_symbols(naming,[spl2_3])]) ).

fof(f184,plain,
    ( ! [X0,X1] : is_a_theorem(implies(X1,or(X0,X1)))
    | ~ spl2_13 ),
    inference(avatar_component_clause,[],[f183]) ).

fof(f183,plain,
    ( spl2_13
  <=> ! [X0,X1] : is_a_theorem(implies(X1,or(X0,X1))) ),
    introduced(avatar_definition,[new_symbols(naming,[spl2_13])]) ).

fof(f218,plain,
    ( ~ is_a_theorem(implies(sK0,implies(not(sK1),sK0)))
    | ~ spl2_3
    | spl2_5
    | ~ spl2_9
    | ~ spl2_12 ),
    inference(forward_demodulation,[],[f149,f206]) ).

fof(f149,plain,
    ( ~ is_a_theorem(implies(sK0,or(sK1,sK0)))
    | spl2_5 ),
    inference(avatar_component_clause,[],[f147]) ).

fof(f147,plain,
    ( spl2_5
  <=> is_a_theorem(implies(sK0,or(sK1,sK0))) ),
    introduced(avatar_definition,[new_symbols(naming,[spl2_5])]) ).

fof(f200,plain,
    spl2_11,
    inference(avatar_split_clause,[],[f115,f174]) ).

fof(f174,plain,
    ( spl2_11
  <=> op_implies_and ),
    introduced(avatar_definition,[new_symbols(naming,[spl2_11])]) ).

fof(f115,plain,
    op_implies_and,
    inference(cnf_transformation,[],[f43]) ).

fof(f43,axiom,
    op_implies_and,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',hilbert_op_implies_and) ).

fof(f196,plain,
    spl2_14,
    inference(avatar_split_clause,[],[f118,f186]) ).

fof(f186,plain,
    ( spl2_14
  <=> r2 ),
    introduced(avatar_definition,[new_symbols(naming,[spl2_14])]) ).

fof(f118,plain,
    r2,
    inference(cnf_transformation,[],[f37]) ).

fof(f37,axiom,
    r2,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',principia_r2) ).

fof(f195,plain,
    spl2_4,
    inference(avatar_split_clause,[],[f127,f142]) ).

fof(f142,plain,
    ( spl2_4
  <=> op_or ),
    introduced(avatar_definition,[new_symbols(naming,[spl2_4])]) ).

fof(f127,plain,
    op_or,
    inference(cnf_transformation,[],[f42]) ).

fof(f42,axiom,
    op_or,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',hilbert_op_or) ).

fof(f191,plain,
    spl2_10,
    inference(avatar_split_clause,[],[f120,f169]) ).

fof(f169,plain,
    ( spl2_10
  <=> op_and ),
    introduced(avatar_definition,[new_symbols(naming,[spl2_10])]) ).

fof(f120,plain,
    op_and,
    inference(cnf_transformation,[],[f33]) ).

fof(f33,axiom,
    op_and,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',principia_op_and) ).

fof(f189,plain,
    ( spl2_13
    | ~ spl2_14 ),
    inference(avatar_split_clause,[],[f106,f186,f183]) ).

fof(f106,plain,
    ! [X0,X1] :
      ( ~ r2
      | is_a_theorem(implies(X1,or(X0,X1))) ),
    inference(cnf_transformation,[],[f93]) ).

fof(f93,plain,
    ( ! [X0,X1] : is_a_theorem(implies(X1,or(X0,X1)))
    | ~ r2 ),
    inference(ennf_transformation,[],[f76]) ).

fof(f76,plain,
    ( r2
   => ! [X0,X1] : is_a_theorem(implies(X1,or(X0,X1))) ),
    inference(unused_predicate_definition_removal,[],[f72]) ).

fof(f72,plain,
    ( ! [X0,X1] : is_a_theorem(implies(X1,or(X0,X1)))
  <=> r2 ),
    inference(rectify,[],[f23]) ).

fof(f23,axiom,
    ( ! [X3,X4] : is_a_theorem(implies(X4,or(X3,X4)))
  <=> r2 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',r2) ).

fof(f180,plain,
    ( ~ spl2_11
    | spl2_12 ),
    inference(avatar_split_clause,[],[f124,f178,f174]) ).

fof(f124,plain,
    ! [X0,X1] :
      ( implies(X0,X1) = not(and(X0,not(X1)))
      | ~ op_implies_and ),
    inference(cnf_transformation,[],[f100]) ).

fof(f100,plain,
    ( ! [X0,X1] : implies(X0,X1) = not(and(X0,not(X1)))
    | ~ op_implies_and ),
    inference(rectify,[],[f92]) ).

fof(f92,plain,
    ( ! [X1,X0] : implies(X1,X0) = not(and(X1,not(X0)))
    | ~ op_implies_and ),
    inference(ennf_transformation,[],[f62]) ).

fof(f62,plain,
    ( op_implies_and
   => ! [X1,X0] : implies(X1,X0) = not(and(X1,not(X0))) ),
    inference(rectify,[],[f29]) ).

fof(f29,axiom,
    ( op_implies_and
   => ! [X1,X0] : implies(X0,X1) = not(and(X0,not(X1))) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',op_implies_and) ).

fof(f172,plain,
    ( spl2_9
    | ~ spl2_10 ),
    inference(avatar_split_clause,[],[f104,f169,f166]) ).

fof(f104,plain,
    ! [X0,X1] :
      ( ~ op_and
      | not(or(not(X1),not(X0))) = and(X1,X0) ),
    inference(cnf_transformation,[],[f82]) ).

fof(f82,plain,
    ( ! [X0,X1] : not(or(not(X1),not(X0))) = and(X1,X0)
    | ~ op_and ),
    inference(ennf_transformation,[],[f54]) ).

fof(f54,plain,
    ( op_and
   => ! [X0,X1] : not(or(not(X1),not(X0))) = and(X1,X0) ),
    inference(rectify,[],[f28]) ).

fof(f28,axiom,
    ( op_and
   => ! [X1,X0] : and(X0,X1) = not(or(not(X0),not(X1))) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',op_and) ).

fof(f156,plain,
    ~ spl2_6,
    inference(avatar_split_clause,[],[f109,f151]) ).

fof(f151,plain,
    ( spl2_6
  <=> or_2 ),
    introduced(avatar_definition,[new_symbols(naming,[spl2_6])]) ).

fof(f109,plain,
    ~ or_2,
    inference(cnf_transformation,[],[f57]) ).

fof(f57,plain,
    ~ or_2,
    inference(flattening,[],[f46]) ).

fof(f46,negated_conjecture,
    ~ or_2,
    inference(negated_conjecture,[],[f45]) ).

fof(f45,conjecture,
    or_2,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',hilbert_or_2) ).

fof(f154,plain,
    ( ~ spl2_5
    | spl2_6 ),
    inference(avatar_split_clause,[],[f105,f151,f147]) ).

fof(f105,plain,
    ( or_2
    | ~ is_a_theorem(implies(sK0,or(sK1,sK0))) ),
    inference(cnf_transformation,[],[f96]) ).

fof(f96,plain,
    ( or_2
    | ~ is_a_theorem(implies(sK0,or(sK1,sK0))) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f83,f95]) ).

fof(f95,plain,
    ( ? [X0,X1] : ~ is_a_theorem(implies(X0,or(X1,X0)))
   => ~ is_a_theorem(implies(sK0,or(sK1,sK0))) ),
    introduced(choice_axiom,[]) ).

fof(f83,plain,
    ( or_2
    | ? [X0,X1] : ~ is_a_theorem(implies(X0,or(X1,X0))) ),
    inference(ennf_transformation,[],[f78]) ).

fof(f78,plain,
    ( ! [X1,X0] : is_a_theorem(implies(X0,or(X1,X0)))
   => or_2 ),
    inference(unused_predicate_definition_removal,[],[f63]) ).

fof(f63,plain,
    ( ! [X1,X0] : is_a_theorem(implies(X0,or(X1,X0)))
  <=> or_2 ),
    inference(rectify,[],[f11]) ).

fof(f11,axiom,
    ( ! [X1,X0] : is_a_theorem(implies(X1,or(X0,X1)))
  <=> or_2 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',or_2) ).

fof(f145,plain,
    ( spl2_3
    | ~ spl2_4 ),
    inference(avatar_split_clause,[],[f112,f142,f139]) ).

fof(f112,plain,
    ! [X0,X1] :
      ( ~ op_or
      | or(X0,X1) = not(and(not(X0),not(X1))) ),
    inference(cnf_transformation,[],[f81]) ).

fof(f81,plain,
    ( ! [X0,X1] : or(X0,X1) = not(and(not(X0),not(X1)))
    | ~ op_or ),
    inference(ennf_transformation,[],[f27]) ).

fof(f27,axiom,
    ( op_or
   => ! [X0,X1] : or(X0,X1) = not(and(not(X0),not(X1))) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',op_or) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.09/0.10  % Problem    : LCL491+1 : TPTP v8.1.0. Released v3.3.0.
% 0.09/0.11  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.11/0.32  % Computer : n012.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 Aug 30 02:03:36 EDT 2022
% 0.11/0.32  % CPUTime    : 
% 0.17/0.46  % (26388)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)
% 0.17/0.47  % (26371)fmb+10_1:1_fmbsr=2.0:nm=4:skr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.17/0.47  % (26380)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)
% 0.17/0.47  % (26388)First to succeed.
% 0.17/0.47  % (26379)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 (2999ds/68Mi)
% 0.17/0.47  % (26380)Also succeeded, but the first one will report.
% 0.17/0.48  % (26388)Refutation found. Thanks to Tanya!
% 0.17/0.48  % SZS status Theorem for theBenchmark
% 0.17/0.48  % SZS output start Proof for theBenchmark
% See solution above
% 0.17/0.48  % (26388)------------------------------
% 0.17/0.48  % (26388)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.17/0.48  % (26388)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.17/0.48  % (26388)Termination reason: Refutation
% 0.17/0.48  
% 0.17/0.48  % (26388)Memory used [KB]: 5500
% 0.17/0.48  % (26388)Time elapsed: 0.010 s
% 0.17/0.48  % (26388)Instructions burned: 3 (million)
% 0.17/0.48  % (26388)------------------------------
% 0.17/0.48  % (26388)------------------------------
% 0.17/0.48  % (26364)Success in time 0.155 s
%------------------------------------------------------------------------------