xbt_assert(this->maestro_stack_start_, "Did not find maestro_stack_start");
xbt_assert(this->maestro_stack_end_, "Did not find maestro_stack_end");
xbt_assert(this->maestro_stack_start_, "Did not find maestro_stack_start");
xbt_assert(this->maestro_stack_end_, "Did not find maestro_stack_end");