We are aware of the following limitations for monitors.

Files for disabled monitors

Files may be created for disabled write-in-file monitors and disabled data collector monitors.

Monitors and state space tool

Errors may occur if you use state space tool for a net with monitors. This may also be true even if the monitors are disabled.

List length and marking size

The code generated for list length and marking size data collector monitors depends on whether the net is timed or untimed, i.e. whether there is at least one place in the net with a timed color set. If the net changes from being untimed to timed, or vice versa, after one of these data collector monitors has been created, then these monitors are not automatically updated. You can force the monitor to be updated by editing the monitor, e.g. by modifying the name of the monitor. You can then use the Undo to undo the change to the name of the monitor. Saving, closing, and reopening the net will also ensure that these monitors will be (re)created properly.

 Stalled syntax check

Sometimes the tool will stall during syntax checking of nets with monitors. This can happen if may monitors are defined, or if the monitoring functions are very long. When the syntax check stalls, the yellow auras on monitor names and transitions do not disappear, but the declarations and places in the net are successfully checked. The net shown below contains 37 monitors, and it stalls during the syntax check.

Stalled syntax check

Stalled syntax check

Sometimes (but not always) it is possible to force the syntax check to continue by editing a monitor, e.g. by adding a space to a monitoring function. If the syntax check stalls for you, please submit a Bug report and remember to include the net which causes the problem.

Monitor index entries

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