Phone stolen - Can the phone be tracked if its switched on again with new sim?

Hello,
sadly my Phone was stolen a few days ago.
I had avast mobile security installed and in my avast accountcan i can exactly see when it was switched off. Now my Question:

If somebody puts a new simcard in my Phone and switches it on, can i track it via my avast account?
Because the app should still be installed on the phone right?
And if i dont use the tracking command, will the Status Information be updates automatically wich can be seen if u click “info”?

Thanks for your help!
Flo

http://www.avast.com/faq.php?article=AVKB116