USCIS consulate now uses an automated methodology. It takes anything from 7 months to 33 months to process the application Form I-485.
The pilot program of granting US citizenship only applies to the following scenario:
N-400 Application for Naturalization
I-485 Application to Register Permanent Residence or Adjust Status
I-90 Application to Replace Permanent Residence Card
I-751 Petition to Remove Conditions on Residence