rem: ECA_LOG_MSG(ECA_LOGGER::system_objects, "(eca-engine) starting engine operation!");
add: ECA_LOG_MSG(ECA_LOGGER::system_objects, "starting engine operation!");
context: void ECA_ENGINE::start_operation(void){  // ---  DBC_REQUIRE(is_prepared() == true);  DBC_REQUIRE(is_running() != true);  // ---  ECA_LOG_MSG(ECA_LOGGER::system_objects, "(eca-engine) starting engine operation!");  start_realtime_objects();  running_rep = true;  // ---  DBC_ENSURE(is_running() == true);  DBC_ENSURE(status() == ECA_ENGINE::engine_status_running);  // ---}