%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : PUZ008-1 : 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 : n004.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 18:10:38 EDT 2022

% Result   : Unsatisfiable 0.20s 0.50s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    2
%            Number of leaves      :    3
% Syntax   : Number of formulae    :    5 (   4 unt;   0 def)
%            Number of atoms       :    6 (   0 equ)
%            Maximal formula atoms :    2 (   1 avg)
%            Number of connectives :    4 (   3   ~;   1   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   4 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-3 aty)
%            Number of functors    :    8 (   8 usr;   3 con; 0-2 aty)
%            Number of variables   :    9 (   9   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f22,plain,
    $false,
    inference(subsumption_resolution,[],[f18,f14]) ).

fof(f14,axiom,
    ! [X2,X3,X0,X1] : achievable(west(X0,X1),X2,east(m(s(X3)),c(s(s(s(X3)))))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',two_extra_cannibals_meal_on_east_bank) ).

fof(f18,plain,
    ~ achievable(west(m(s(s(n0))),c(n0)),boatonwest,east(m(s(n0)),c(s(s(s(n0)))))),
    inference(resolution,[],[f16,f7]) ).

fof(f7,axiom,
    ! [X2,X3,X0,X1] :
      ( ~ achievable(west(m(s(s(X0))),c(X1)),boatonwest,east(m(X2),c(X3)))
      | achievable(west(m(X0),c(X1)),boatoneast,east(m(s(s(X2))),c(X3))) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',two_missionaries_west_to_east) ).

fof(f16,axiom,
    ! [X0] : ~ achievable(west(m(n0),c(n0)),X0,east(m(s(s(s(n0)))),c(s(s(s(n0)))))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_can_get_to_east_bank) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem    : PUZ008-1 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.14  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.13/0.35  % Computer : n004.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit   : 300
% 0.13/0.35  % WCLimit    : 300
% 0.13/0.35  % DateTime   : Tue Aug 30 10:31:49 EDT 2022
% 0.13/0.35  % CPUTime    : 
% 0.20/0.49  % (2942)lrs+1011_1:1_atotf=0.0306256:ep=RST:mep=off:nm=0:sos=all:i=3:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/3Mi)
% 0.20/0.49  % (2942)First to succeed.
% 0.20/0.50  % (2942)Refutation found. Thanks to Tanya!
% 0.20/0.50  % SZS status Unsatisfiable for theBenchmark
% 0.20/0.50  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.50  % (2942)------------------------------
% 0.20/0.50  % (2942)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.50  % (2942)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.50  % (2942)Termination reason: Refutation
% 0.20/0.50  
% 0.20/0.50  % (2942)Memory used [KB]: 5884
% 0.20/0.50  % (2942)Time elapsed: 0.075 s
% 0.20/0.50  % (2942)Instructions burned: 1 (million)
% 0.20/0.50  % (2942)------------------------------
% 0.20/0.50  % (2942)------------------------------
% 0.20/0.50  % (2933)Success in time 0.14 s
%------------------------------------------------------------------------------