%------------------------------------------------------------------------------
% File : ConnectPP---0.7.2
% Problem : PUZ021-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox/solver/bin/connect++ --verbosity 1 --no-colour --tptp-proof --schedule default --timeout 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n002.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 08:54:19 AM UTC 2026
% Result : Unsatisfiable 0.13s 5.50s
% Output : Proof 0.13s
% Verified :
% SZS Type : ERROR: Analysing output (MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
cnf(not_knight_and_knave,axiom,
( ~ a_truth(knave(X),Y)
| ~ a_truth(knight(X),Y) ),
file('theBenchmark.p',not_knight_and_knave) ).
cnf(knight_or_knave,axiom,
( a_truth(knave(X),Y)
| a_truth(knight(X),Y) ),
file('theBenchmark.p',knight_or_knave) ).
cnf(not_rich_and_poor,axiom,
( ~ a_truth(poor(X),Y)
| ~ a_truth(rich(X),Y) ),
file('theBenchmark.p',not_rich_and_poor) ).
cnf(rich_or_poor,axiom,
( a_truth(poor(X),Y)
| a_truth(rich(X),Y) ),
file('theBenchmark.p',rich_or_poor) ).
cnf(knights_tell_truth1,axiom,
( a_truth(Y,Z)
| ~ says(X,Y)
| ~ a_truth(knight(X),Z) ),
file('theBenchmark.p',knights_tell_truth1) ).
cnf(knights_tell_truth2,axiom,
( ~ a_truth(Y,Z)
| says(X,Y)
| ~ a_truth(knight(X),Z) ),
file('theBenchmark.p',knights_tell_truth2) ).
cnf(knaves_lie1,axiom,
( ~ a_truth(Y,Z)
| ~ says(X,Y)
| ~ a_truth(knave(X),Z) ),
file('theBenchmark.p',knaves_lie1) ).
cnf(knaves_lie2,axiom,
( a_truth(Y,Z)
| says(X,Y)
| ~ a_truth(knave(X),Z) ),
file('theBenchmark.p',knaves_lie2) ).
cnf(conjunction1,axiom,
( a_truth(X,Z)
| ~ a_truth(and(X,Y),Z) ),
file('theBenchmark.p',conjunction1) ).
cnf(conjunction2,axiom,
( a_truth(Y,Z)
| ~ a_truth(and(X,Y),Z) ),
file('theBenchmark.p',conjunction2) ).
cnf(conjunction3,axiom,
( ~ a_truth(Y,Z)
| ~ a_truth(X,Z)
| a_truth(and(X,Y),Z) ),
file('theBenchmark.p',conjunction3) ).
cnf(prove_statement_exists1,negated_conjecture,
( ~ a_truth(and(knave(me),rich(me)),X)
| ~ says(me,X) ),
file('theBenchmark.p',prove_statement_exists1) ).
cnf(prove_statement_exists2,negated_conjecture,
( a_truth(and(knave(me),rich(me)),X)
| says(me,X) ),
file('theBenchmark.p',prove_statement_exists2) ).
cnf(sat_proved,plain,
$false,
inference(cadical,[status(thm)],[]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : PUZ021-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.03 This is a CNF_UNS_RFO_NEQ_NHN problem
% 0.00/0.04 % Command : /export/starexec/sandbox/solver/bin/connect++ --verbosity 1 --no-colour --tptp-proof --schedule default --timeout 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/5.37 % Computer : n002.cluster.edu
% 0.09/5.37 % Model : x86_64 x86_64
% 0.09/5.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/5.37 % Memory : 8046.5625MB
% 0.09/5.37 % OS : Linux 6.8.0-71-generic
% 0.09/5.38 % CPULimit : 300
% 0.09/5.38 % WCLimit : 300
% 0.09/5.38 % DateTime : Sat Sep 19 19:58:54 UTC 2026
% 0.09/5.38 % CPUTime :
% 0.13/5.50 % SZS status Unsatisfiable for theBenchmark
% 0.13/5.50 % SZS output start Proof for theBenchmark
% See solution above
%------------------------------------------------------------------------------