Just putting the resolution so that others can get benefited if they come across into the same situation.
1. Change port from http to https port what ever the listener, is listening to https calls.In my case it is totally different number such as 18202, and neither started with 5xx100 nor 5xx111.
2. Provide path of your SSL certificate in SoapUI Preferences, See below. From Maine Menu--> File-->Preferences--> SSL settings.
