acosh Pow Add Mul x4 x0 -2 -0.881373587019543 
Mul Mul Pow Add Mul x4 x0 -2 -1.88137358701954 Mul -0.881373587019543 x4 Pow Mul sqrt Add Pow Add Mul x4 x0 -2 -0.881373587019543 -1 sqrt Add 1 Pow Add Mul x4 x0 -2 -0.881373587019543 -1 