xbt_dict_set(patterns, "radical", bprintf("%d", i), NULL);
char *avail_file = xbt_str_varsubst(cluster->availability_trace, patterns);
XBT_DEBUG("\tavailability_file=\"%s\"", avail_file);
xbt_dict_set(patterns, "radical", bprintf("%d", i), NULL);
char *avail_file = xbt_str_varsubst(cluster->availability_trace, patterns);
XBT_DEBUG("\tavailability_file=\"%s\"", avail_file);