ck-prolog seems working... but I don't know what's expected.
I downloaded ck-prolog.zip, unzipped, loaded main_pce.pl, and run
?- [main_pce].
% auxilliary compiled 0.01 sec, 33 clauses
% oo_kernel compiled 0.01 sec, 31 clauses
% ck_kernel compiled 0.02 sec, 116 clauses
% inf_methods compiled 0.00 sec, 14 clauses
% architecture compiled 0.04 sec, 203 clauses
% views_pce compiled 0.00 sec, 9 clauses
% controller compiled 0.00 sec, 24 clauses
% model compiled 0.04 sec, 256 clauses
% database compiled 0.00 sec, 2 clauses
% main_pce compiled 0.10 sec, 506 clauses
true.
?- go.
after some sec I get a window with 3 panels, then after 3 clicks I get
I'm sorry I don't know what that means...