Production simulation
 &cntrl
  imin = 0, irest = 1, ntx = 7,
  ntb = 2, pres0 = 1.0, ntp = 1,
  taup = 2.0,
  cut = 10, ntr = 0,
  ntc = 2, ntf = 2,
  temp0 = 300.0,
  ntt = 3, gamma_ln = 2.0,
  nstlim = 25000000, dt = 0.002,
  ntpr = 5000, ntwx = 5000, ntwr = 5000
 /
