Fixes to CBD semantics: simulation works

integration/code/cbd_semantics.alc

@@ -245,13 +245,13 @@ Void function execute_cbd(model : Element):
 	running = False
 
 	while (True):
-		output("Which operation do you want to execute?")
 		if (running):
 			if (has_input()):
 				cmd = input()
 			else:
-				cmd = "start"
+				cmd = "step"
 		else:
+			output("Which operation do you want to execute?")
 			cmd = input()
 
 		if (cmd == "help"):