Mul -1 Mul Pow Pow x0 0.881373587019543 x0 -4 
Mul -1 Mul -4 Mul Pow Pow x0 0.881373587019543 Add x0 -1 Add Mul x0 Mul Pow x0 -0.118626412980457 0.881373587019543 Mul Pow x0 0.881373587019543 log Pow x0 0.881373587019543 