All memory directly allocated by FLAME should be free'd after all Config and Machine instances are destroyed, and Machine::registeryCleanup() is called

valgrind --leak-check=full --show-leak-kinds=all ./tools/run_flame python/flame/test/to_strl.lat

Should show no blocks definitely, indirectly, or possibly lost, but may show some "still reachable" blocks associated with the HDF5 library.