Pow 4 Pow x3 Mul x0 exp Pow x0 exp x2 
Mul Pow 4 Add Pow x3 Mul x0 exp Pow x0 exp x2 -1 Mul 5.38629436111989 Mul Pow x3 Add Mul x0 exp Pow x0 exp x2 -1 Mul Mul x3 log x3 Add exp Pow x0 exp x2 Mul x0 Mul exp Pow x0 exp x2 Mul Pow x0 Add exp x2 -1 exp x2 