You cannot be considered independent from your parents just because they refuse to help you with this process.
What if I don't provide my information on the FAFSA?
the application will be considered rejected, and you may not be able to receive any federal student aid. The most you could get depending on what your college financial aid office decides would be a loan called an unsubsidized loan.
One other thing, about FAFSA application form,  what if I have a step mom?