%------------------------------------------------------------------------------
% File : ConnectPP---0.7.2
% Problem : PUZ009-1 : 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 : n019.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 0.09s 0.38s
% Output : Proof 0.09s
% Verified :
% SZS Type : ERROR: Analysing output (MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
cnf(c1,axiom,
( ~ b_is_a_knight
| ~ a_is_a_knight ),
file('theBenchmark.p',c1) ).
cnf(c2,axiom,
( ~ d_is_a_knight
| ~ a_is_a_knight ),
file('theBenchmark.p',c2) ).
cnf(c3,axiom,
( ~ a_is_a_knight
| ~ b_is_a_knight ),
file('theBenchmark.p',c3) ).
cnf(c4,axiom,
( a_is_a_knight
| b_is_a_knight ),
file('theBenchmark.p',c4) ).
cnf(c5,axiom,
( d_is_a_knight
| c_is_a_knight
| ~ b_is_a_knight ),
file('theBenchmark.p',c5) ).
cnf(c6,axiom,
( ~ d_is_a_knight
| ~ c_is_a_knight ),
file('theBenchmark.p',c6) ).
cnf(c7,axiom,
( ~ a_is_a_knight
| ~ d_is_a_knight ),
file('theBenchmark.p',c7) ).
cnf(c8,axiom,
( b_is_a_knight
| ~ d_is_a_knight ),
file('theBenchmark.p',c8) ).
cnf(c9,axiom,
( ~ c_is_a_knight
| ~ d_is_a_knight ),
file('theBenchmark.p',c9) ).
cnf(c10,axiom,
( c_is_a_knight
| ~ d_is_a_knight
| ~ e_is_a_knight ),
file('theBenchmark.p',c10) ).
cnf(c11,axiom,
( d_is_a_knight
| e_is_a_knight ),
file('theBenchmark.p',c11) ).
cnf(c12,axiom,
( ~ c_is_a_knight
| e_is_a_knight ),
file('theBenchmark.p',c12) ).
cnf(c13,axiom,
( c_is_a_knight
| a_is_a_knight
| d_is_a_knight ),
file('theBenchmark.p',c13) ).
cnf(c14,axiom,
( c_is_a_knight
| ~ b_is_a_knight
| d_is_a_knight ),
file('theBenchmark.p',c14) ).
cnf(c15,axiom,
( c_is_a_knight
| ~ e_is_a_knight
| ~ a_is_a_knight ),
file('theBenchmark.p',c15) ).
cnf(c16,axiom,
( e_is_a_knight
| a_is_a_knight ),
file('theBenchmark.p',c16) ).
cnf(c17,axiom,
( ~ c_is_a_knight
| a_is_a_knight ),
file('theBenchmark.p',c17) ).
cnf(c18,negated_conjecture,
b_is_a_knight,
file('theBenchmark.p',c18) ).
cnf(sat_proved,plain,
$false,
inference(cadical,[status(thm)],[]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : PUZ009-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.03 This is a CNF_UNS_PRP problem
% 0.00/0.04 % Command : /export/starexec/sandbox2/solver/bin/connect++ --verbosity 1 --no-colour --tptp-proof --schedule default --timeout 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.09/0.36 % Computer : n019.cluster.edu
% 0.09/0.36 % Model : x86_64 x86_64
% 0.09/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.36 % Memory : 8046.5625MB
% 0.09/0.36 % OS : Linux 6.8.0-71-generic
% 0.09/0.36 % CPULimit : 300
% 0.09/0.36 % WCLimit : 300
% 0.09/0.36 % DateTime : Sat Sep 19 19:55:35 UTC 2026
% 0.09/0.36 % CPUTime :
% 0.09/0.38 % SZS status Unsatisfiable for theBenchmark
% 0.09/0.38 % SZS output start Proof for theBenchmark
% See solution above
%------------------------------------------------------------------------------