%------------------------------------------------------------------------------
% File : ConnectPP---0.7.2
% Problem : PUZ011-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox2/solver/bin/connect++ --verbosity 1 --no-colour --tptp-proof --schedule default --timeout 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n012.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Thu Sep 24 08:54:17 AM UTC 2026
% Result : Unsatisfiable 0.03s 0.32s
% Output : Proof 0.03s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 6
% Syntax : Number of clauses : 17 ( 15 unt; 0 nHn; 17 RR)
% Number of literals : 25 ( 0 equ; 10 neg)
% Maximal clause size : 5 ( 1 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 5 ( 4 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 3 con; 0-0 aty)
% Number of variables : 3 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(indian,hypothesis,
ocean(indian),
file('theBenchmark.p',indian) ).
cnf(indian_iran,hypothesis,
borders(indian,iran),
file('theBenchmark.p',indian_iran) ).
cnf(indian_tanzania,hypothesis,
borders(indian,tanzania),
file('theBenchmark.p',indian_tanzania) ).
cnf(tanzania,hypothesis,
african(tanzania),
file('theBenchmark.p',tanzania) ).
cnf(iran,hypothesis,
asian(iran),
file('theBenchmark.p',iran) ).
cnf(prove_there_is_a_common_ocean,negated_conjecture,
( ~ asian(Asian)
| ~ borders(Ocean,Asian)
| ~ african(African)
| ~ borders(Ocean,African)
| ~ ocean(Ocean) ),
file('theBenchmark.p',prove_there_is_a_common_ocean) ).
cnf(t1,plain,
( ~ borders(indian,tanzania)
| ~ african(tanzania)
| ~ borders(indian,iran)
| ~ asian(iran)
| ~ ocean(indian) ),
inference(start,[status(thm),parent(0:0)],[prove_there_is_a_common_ocean]) ).
cnf(t2,plain,
ocean(indian),
inference(extension,[status(thm),parent(t1:1)],[indian]) ).
cnf(t3,plain,
$false,
inference(connection,[status(thm),parent(t2:1)],[t2:1,t1:1]) ).
cnf(t4,plain,
asian(iran),
inference(extension,[status(thm),parent(t1:2)],[iran]) ).
cnf(t5,plain,
$false,
inference(connection,[status(thm),parent(t4:1)],[t4:1,t1:2]) ).
cnf(t6,plain,
borders(indian,iran),
inference(extension,[status(thm),parent(t1:3)],[indian_iran]) ).
cnf(t7,plain,
$false,
inference(connection,[status(thm),parent(t6:1)],[t6:1,t1:3]) ).
cnf(t8,plain,
african(tanzania),
inference(extension,[status(thm),parent(t1:4)],[tanzania]) ).
cnf(t9,plain,
$false,
inference(connection,[status(thm),parent(t8:1)],[t8:1,t1:4]) ).
cnf(t10,plain,
borders(indian,tanzania),
inference(extension,[status(thm),parent(t1:5)],[indian_tanzania]) ).
cnf(t11,plain,
$false,
inference(connection,[status(thm),parent(t10:1)],[t10:1,t1:5]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.01 % Problem : PUZ011-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.01 This is a CNF_UNS_EPR_NEQ_HRN problem
% 0.00/0.02 % Command : /export/starexec/sandbox2/solver/bin/connect++ --verbosity 1 --no-colour --tptp-proof --schedule default --timeout 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.03/0.30 % Computer : n012.cluster.edu
% 0.03/0.30 % Model : x86_64 x86_64
% 0.03/0.30 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.03/0.30 % Memory : 8046.5625MB
% 0.03/0.30 % OS : Linux 6.8.0-71-generic
% 0.03/0.30 % CPULimit : 300
% 0.03/0.30 % WCLimit : 300
% 0.03/0.30 % DateTime : Sat Sep 19 19:55:07 UTC 2026
% 0.03/0.30 % CPUTime :
% 0.03/0.32 % SZS status Unsatisfiable for theBenchmark
% 0.03/0.32 % SZS output start Proof for theBenchmark
% See solution above
%------------------------------------------------------------------------------