"Unfortunately their budget is pretty unreasonable and they don't seem to be willing to sacrifice features to get the project even close to their budget." Run

"Unfortunately their budget is pretty unreasonable and they don't seem to be willing to sacrifice features to get the project even close to their budget." Run fast. I've worked with too many companies like this and this problem will not end. No matter how much you try to rationalize or explain the situation, they will not listen. In the end, you will most likely get blamed for not making the insane deadlines.