Pow x0 sech sech Mul Add x0 2 -0.250000000000000 
Mul Pow x0 Add sech sech Mul Add x0 2 -0.250000000000000 -1 Add sech sech Mul Add x0 2 -0.250000000000000 Mul Mul x0 log x0 Mul Mul tanh sech Mul Add x0 2 -0.250000000000000 Mul -1 sech sech Mul Add x0 2 -0.250000000000000 Mul Mul tanh Mul Add x0 2 -0.250000000000000 Mul -1 sech Mul Add x0 2 -0.250000000000000 -0.250000000000000 