%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : PUZ020-1 : TPTP v8.1.0. Released v1.0.0.
% 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 : n001.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 18:10:43 EDT 2022

% Result   : Unsatisfiable 0.19s 0.50s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   17 (   4 unt;   0 def)
%            Number of atoms       :   32 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   26 (  11   ~;  12   |;   0   &)
%                                         (   3 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    7 (   6 usr;   4 prp; 0-1 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-1 aty)
%            Number of variables   :    1 (   1   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f43,plain,
    $false,
    inference(avatar_sat_refutation,[],[f35,f37,f38,f42]) ).

fof(f42,plain,
    ( spl0_1
    | ~ spl0_2 ),
    inference(avatar_contradiction_clause,[],[f41]) ).

fof(f41,plain,
    ( $false
    | spl0_1
    | ~ spl0_2 ),
    inference(subsumption_resolution,[],[f40,f29]) ).

fof(f29,plain,
    ( a_truth(statement_by(husband))
    | ~ spl0_2 ),
    inference(avatar_component_clause,[],[f27]) ).

fof(f27,plain,
    ( spl0_2
  <=> a_truth(statement_by(husband)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_2])]) ).

fof(f40,plain,
    ( ~ a_truth(statement_by(husband))
    | spl0_1 ),
    inference(unit_resulting_resolution,[],[f11,f25,f7]) ).

fof(f7,axiom,
    ! [X0] :
      ( ~ a_truth(statement_by(X0))
      | knight(X0)
      | ~ person(X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',knights_make_true_statements) ).

fof(f25,plain,
    ( ~ knight(husband)
    | spl0_1 ),
    inference(avatar_component_clause,[],[f23]) ).

fof(f23,plain,
    ( spl0_1
  <=> knight(husband) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_1])]) ).

fof(f11,axiom,
    person(husband),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',husband) ).

fof(f38,plain,
    ~ spl0_1,
    inference(avatar_split_clause,[],[f19,f23]) ).

fof(f19,axiom,
    ~ knight(husband),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_knight_husband) ).

fof(f37,plain,
    ( spl0_2
    | spl0_3 ),
    inference(avatar_split_clause,[],[f17,f32,f27]) ).

fof(f32,plain,
    ( spl0_3
  <=> knight(wife) ),
    introduced(avatar_definition,[new_symbols(naming,[spl0_3])]) ).

fof(f17,axiom,
    ( knight(wife)
    | a_truth(statement_by(husband)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',knight_wife_or_truthful_husband) ).

fof(f35,plain,
    ( spl0_2
    | ~ spl0_3 ),
    inference(avatar_split_clause,[],[f18,f32,f27]) ).

fof(f18,axiom,
    ( ~ knight(wife)
    | a_truth(statement_by(husband)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',knight_wife_means_truthful_husband) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem    : PUZ020-1 : TPTP v8.1.0. Released v1.0.0.
% 0.12/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.12/0.34  % Computer : n001.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   : Tue Aug 30 10:58:31 EDT 2022
% 0.12/0.34  % CPUTime    : 
% 0.19/0.48  % (24848)lrs+10_5:1_br=off:fde=none:nwc=3.0:sd=1:sgt=10:sos=on:ss=axioms:urr=on:i=34:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/34Mi)
% 0.19/0.49  % (24847)lrs+10_1:1_bd=off:drc=off:lcm=reverse:nwc=5.0:sd=1:sgt=16:spb=goal_then_units:ss=axioms:to=lpo:i=43:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/43Mi)
% 0.19/0.50  % (24848)First to succeed.
% 0.19/0.50  % (24848)Refutation found. Thanks to Tanya!
% 0.19/0.50  % SZS status Unsatisfiable for theBenchmark
% 0.19/0.50  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.50  % (24848)------------------------------
% 0.19/0.50  % (24848)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.50  % (24848)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.50  % (24848)Termination reason: Refutation
% 0.19/0.50  
% 0.19/0.50  % (24848)Memory used [KB]: 5884
% 0.19/0.50  % (24848)Time elapsed: 0.111 s
% 0.19/0.50  % (24848)Instructions burned: 2 (million)
% 0.19/0.50  % (24848)------------------------------
% 0.19/0.50  % (24848)------------------------------
% 0.19/0.50  % (24840)Success in time 0.153 s
%------------------------------------------------------------------------------