XBT_VERB("(%d->%d): (%.2f, %.2f)-> (%.2f, %.2f)",
i, j, src_start, src_end, dst_start, dst_end);
if ((src_end <= dst_start) || (dst_end <= src_start)) {
XBT_VERB("(%d->%d): (%.2f, %.2f)-> (%.2f, %.2f)",
i, j, src_start, src_end, dst_start, dst_end);
if ((src_end <= dst_start) || (dst_end <= src_start)) {