It seems that the Embassy made a mistake, and you could actually be denied admission when you arrive in the US. The 3-year bar starts on the date of your departure from the US, and you need to spend 3 years outside of the country BEFORE applying for a visa.
You need to resolve your issue BEFORE traveling to the US. If you would like me to review your case, you can contact me directly by e-mail at E.Weiner@immigration-aux-usa.com or my office by phone at + 1 617 889 0215.
Edward Weiner
Attorney at Law
E-mail: E.Weiner@immigration-aux-usa.com
Internet Site:
http://www.immigration-aux-usa.com/>