Okay there are quite a few things wrong...it doesn't seem like you've done everything. Before you give up try these.
A real digital thermometer. Not 100% accurate as it's been pointed out before, but accurate enough especially for the money. Can be found at Home Depot, Lowes, and Walmart as well.
http://www.amazon.com/Chaney-Instrum...0145041&sr=8-1
You should get two identical hides. Those log hides don't make them feel secure...probably one of many reasons your snake is stressed. I use these:
http://www.reptilebasics.com/hide-boxes
I would go to Home Depot and get black Con-tact paper. It comes in a roll for $6. Cover the sides and back of the tank.
Try those, and then leave him/her alone completely for a week. Then let us know how feeding went.
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