xbt_dynar_foreach(file->tasks_before, cpt1, depbefore) {
xbt_dynar_foreach(file->tasks_after, cpt2, depafter) {
if (depbefore->src == depafter->dst) {
xbt_dynar_foreach(file->tasks_before, cpt1, depbefore) {
xbt_dynar_foreach(file->tasks_after, cpt2, depafter) {
if (depbefore->src == depafter->dst) {