If you specify an action involving inline-if operator where operands evaluate to not compatible references, the server crashes. For example using: (z<10?z:y):=0 where z is an int and y is a clock
Created attachment 25 [details] example of a model manifesting the bug
Confirmed. This also seems to be a problem with older versions of Uppaal such as version 3.4.6. Will be fixed for the next release.
A fix has been checked into CVS.