Finally discovered a bug that was preventing plan being formed on Logistics Domain. The bug was that the object of derived classes in a condition were not used (objects of only the class in the condition were being used) in action instantiation. For example, to move from depot to depot, a truck would never go to an airport since airport is not of depotType, but of the derived class airportType. Fixed in svn revision 404.
I am finding out that I need to write even more, not less before starting to code. It will shorten the total time spent in implementation.
Another problem left to fix now is that if there is a long lasting action like FlyAirplane of duration 100 (other actions are of length about 10-20), the action never gets an interval to get inserted. This is because there is no heuristic that takes care to create space for inserting an action.
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