DJ version 0.2 = version
{
	BusRoute -> { BusStop }bypassing { BusRoute, BusStop, Person }
	{ BusStop } -> Person bypassing { BusRoute, BusStop, Person }
} source: BusRoute target: Person  Strategy graph 
Traversal Graph for from BusRoute through BusStop to Person
Object: in copies {0}
Person: in copies {1}
PersonList: in copies {1}
BusStop: in copies {1}
BusRoute: in copies {0}
MyVector: in copies {0}
-> BusRoute,fbuses,MyVector: in copies {0}
=> Object,BusStop: in copies {}, intercopy table {{0, 1}}
-> BusRoute,fbusStops,MyVector: in copies {0}
-> PersonList,fpersons,Person: in copies {1}
-> BusStop,fwaiting,PersonList: in copies {1}
-> MyVector,elements,Object: in copies {0}

Summarized Traversal Graph for from BusRoute through BusStop to Person
BusRoute =			<fbuses> MyVector <fbusStops> MyVector.

MyVector =			<elements> Object.

Object :			BusStop
				common			
.

BusStop =			<fwaiting> PersonList.

PersonList =			<fpersons> Person.

Person =			.

begin
before BusRoute
before Vector
before Vector
after Vector
after Vector
before Vector
before Vector
before BusStop
before PersonList
Exception in thread "main" java.lang.NullPointerException
	at EDU.neu.ccs.demeter.dj.TraversalGraph.shouldTraverse(TraversalGraph.java:774)
	at EDU.neu.ccs.demeter.dj.TraversalGraph.traverseParts(TraversalGraph.java:176)
	at EDU.neu.ccs.demeter.dj.TraversalGraph.traverse(TraversalGraph.java:140)
	at EDU.neu.ccs.demeter.dj.TraversalGraph.traverseParts(TraversalGraph.java:163)
	at EDU.neu.ccs.demeter.dj.TraversalGraph.traverse(TraversalGraph.java:140)
	at EDU.neu.ccs.demeter.dj.TraversalGraph.traverse(TraversalGraph.java:134)
	at EDU.neu.ccs.demeter.dj.TraversalGraph.traverseParts(TraversalGraph.java:163)
	at EDU.neu.ccs.demeter.dj.TraversalGraph.traverse(TraversalGraph.java:140)
	at EDU.neu.ccs.demeter.dj.TraversalGraph.traverse(TraversalGraph.java:72)
	at EDU.neu.ccs.demeter.dj.TraversalGraph.traverse(TraversalGraph.java:58)
	at Main.main(Main.java:72)