In the attached model, when switching to the Sampler template the JVM crashes. Observed on both Windows and Linux.
Created attachment 11 [details] UPPAAL model triggering the problem.
Created attachment 13 [details] Java Source file isolating the crash
It seems to be a JVM problem. I have created a small test program that can crash the JVM (attached). I will submit this as a Java bug to Sun.
Bug has been submitted to Java. They claim to have a three week response time for reviewing the bug report. For the moment the workarround is to turn antialiasing off when running Uppaal (only necessary if you happen to trigger this bug). I will leave this bug open until I get confirmation from Sun.
I still got no confirmation from Sun about this bug. I tried the new JRE 1.5 beta 2, but JVM still crashes. I will resubmit the bug when I have time.
The problem seems to be resolved in Java 5 update 6.