parsing domain file "domain.hddl" and problem "problem.hddl" done successfully WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by fr.uga.pddl4j.util.BitVector (file:/planner/build/libs/pddl4j-3.8.3.jar) to field java.util.BitSet.words WARNING: Please consider reporting this to the maintainers of fr.uga.pddl4j.util.BitVector WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Encoding totally ordered problem done successfully (15 actions, 25 methods, 13 fluents, 28 tasks) Searching a solution plan.... ==> 2 drive truck_0 city_loc_2 city_loc_1 4 pick_up truck_0 city_loc_1 package_0 capacity_0 capacity_1 6 drive truck_0 city_loc_1 city_loc_0 8 drop truck_0 city_loc_0 package_0 capacity_0 capacity_1 11 drive truck_0 city_loc_0 city_loc_1 13 pick_up truck_0 city_loc_1 package_1 capacity_0 capacity_1 15 drive truck_0 city_loc_1 city_loc_2 17 drop truck_0 city_loc_2 package_1 capacity_0 capacity_1 root 0 9 0 (deliver package_0 city_loc_0) -> m_deliver_ordering_0 1 3 5 7 1 (get_to truck_0 city_loc_1) -> m_drive_to_ordering_0 2 3 (load truck_0 city_loc_1 package_0) -> m_load_ordering_0 4 5 (get_to truck_0 city_loc_0) -> m_drive_to_ordering_0 6 7 (unload truck_0 city_loc_0 package_0) -> m_unload_ordering_0 8 9 (deliver package_1 city_loc_2) -> m_deliver_ordering_0 10 12 14 16 10 (get_to truck_0 city_loc_1) -> m_drive_to_ordering_0 11 12 (load truck_0 city_loc_1 package_1) -> m_load_ordering_0 13 14 (get_to truck_0 city_loc_2) -> m_drive_to_ordering_0 15 16 (unload truck_0 city_loc_2 package_1) -> m_unload_ordering_0 17 <== Found plan as follows: 0: ( drive truck_0 city_loc_2 city_loc_1) [0] 1: (pick_up truck_0 city_loc_1 package_0 capacity_0 capacity_1) [0] 2: ( drive truck_0 city_loc_1 city_loc_0) [0] 3: ( drop truck_0 city_loc_0 package_0 capacity_0 capacity_1) [0] 4: ( drive truck_0 city_loc_0 city_loc_1) [0] 5: (pick_up truck_0 city_loc_1 package_1 capacity_0 capacity_1) [0] 6: ( drive truck_0 city_loc_1 city_loc_2) [0] 7: ( drop truck_0 city_loc_2 package_1 capacity_0 capacity_1) [0] Plan total cost : 8.00 Encoding time : 0.084s Searching time : 0.012s Total time : 0.096s