Fixed some issues in Denm

ttcn/DENM/LibItsDenm_Functions.ttcn

@@ -351,14 +351,18 @@ module LibItsDenm_Functions {
          * @return 
          */
         function f_awaitDenMessageOut(in template (present) DenmInd p_rcvMsg, out template (value) DenmInd p_rcvdMsg) runs on ItsFa return FncRetCode {
-            var FncRetCode v_ret := e_success;
+            var FncRetCode v_ret := e_timeout;
             
-            tc_wait.start;
+            tc_ac.start;
             alt {
                 [] denmPort.receive(p_rcvMsg) -> value p_rcvdMsg {
-                    tc_wait.stop;
+                    tc_ac.stop;
                     v_ret := e_success;
                 }
+                [] tc_ac.timeout {
+                	log("Timeout while awaiting the reception of a message");
+                	v_ret := e_timeout;
+           		}
             }
             
             return v_ret;