k1 = time_environment
k2 = r_1
k3 = r_2
k4 = c_1
k5 = r_3
k6 = r_4
k7 = c_2
k8 = r_5
k9 = r_6
k10 = r_7
k11 = z_hat
k12 = y_hat
k13 = epsilon
k14 = COMpartment