repGraph.addEdge(a0, a1, 0);
repGraph.addEdge(a1, a2, 0);
repGraph.addEdge(a2, a3, 0);
repGraph.addEdge(a1, a3, 0);
repGraph.addEdge(a0, a4, 0);
repGraph.addEdge(a4, a3, 0);
repGraph.addEdge(a1, a0, 0);
repGraph.addEdge(a1, a4, 0);
ArrayList<TestbedEdge> paths = Util.getPaths(repGraph, a0, a3, false);