I need to look my application's database file.I found this question:
How view data stored in Core Data?
In answer he said:
Your app will be folder inside (~ is your home directory): ~/Library/Application Support/iPhone Simulator/User/Applications/
I opened the Application Support folder but there is no iPhone Simulator folder inside this folder.
What should I do ? Here is the screenshot:

Edit:I am using xCode 6 and Yosemite.