323         graph_traits< Graph >::vertex_descriptor vid = add_vertex(g),  in main()  local
325         vertex_id_map[vid] = current_vertex_id++;  in main()
336             if (!in_vertex_set(g, vid))  in main()
339                 cerr << "   Failed, " << vertex_id_map[vid]  in main()
359             boost::tie(e, e_end) = out_edges(vid, g);  in main()
363                 cerr << "   Failed, " << vertex_id_map[vid]  in main()
386                 if (source(*e, g) == vid || target(*e, g) == vid)  in main()
389                     cerr << "   Failed, " << vertex_id_map[vid]  in main()
432             while (a == vid)  in main()
439             cerr << "add_edge(" << vertex_id_map[vid] << "," << vertex_id_map[a]  in main()
443                 = add_edge(vid, a, EdgeID(current_edge_id++), g);  in main()
446                     g, e, vid, a, edge_id_map, current_edge_id - 1, inserted))  in main()