text: import concore
  
  concore.delay = 0.01
  Nsim = 100
  init_simtime_u = "[0.0,0.0,0.0]"
  init_simtime_ym = "[0.0,0.0,0.0]"
  
  ym = concore.initval(init_simtime_ym)
  while(concore.simtime<Nsim):
      while concore.unchanged():
          u = concore.read(1,"u",init_simtime_u)
      ym[0]  = u[0]+10000
      print("ym="+str(ym[0])+" u="+str(u[0]));
      concore.write(1,"ym",ym,delta=1)
  concore.write(1,"ym",init_simtime_ym)
  print("retry="+str(concore.retrycount))
  