Add Mul Pow x0 pi Mul Add x0 Add x5 x5 acos x3 Pow x7 Mul x0 1.34445786411763 
Add Add Mul Mul Add x0 Add x5 x5 acos x3 Mul Pow x0 Add pi -1 pi Mul Pow x0 pi acos x3 Mul Pow x7 Add Mul x0 1.34445786411763 -1 Mul Mul x7 log x7 1.34445786411763 