* Builds the flow graph and finds schema URLs.
* This method is <i>not</i> thread-safe (because of Soot).
*/
public TranslationResult buildFlowGraph() {
startPhase("Building flow graph...");
TranslationResult tr = new Jimple2FlowGraph(config, errors).run();
FlowGraph g = tr.getGraph();
Debug.println(2, true, "Flow graph nodes: " + g.getNodes().size()
+ ", edges: " + g.getNumberOfEdges()
+ ", entries: " + g.getEntries().size());
dumpFlowGraph(g, "fg1.dot");