task = MSG_task_create("finalize", task_comp_size, task_comm_size, NULL);
comm = MSG_task_isend(task, mailbox);
XBT_INFO("Destroying task \"%s\" during comm", task->name);
MSG_task_destroy(task);
task = MSG_task_create("finalize", task_comp_size, task_comm_size, NULL);
comm = MSG_task_isend(task, mailbox);
XBT_INFO("Destroying task \"%s\" during comm", task->name);
MSG_task_destroy(task);