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Bug 74

Summary: Underflow in DBM closure operation
Product: UPPAAL Reporter: Gerd Behrmann <behrmann>
Component: EngineAssignee: Gerd Behrmann <behrmann>
Status: CLOSED FIXED    
Severity: major    
Priority: P2    
Version: 3.4.2   
Hardware: All   
OS: All   
Architecture:

Description Gerd Behrmann 2003-12-20 00:47:03 CET 
In big DBMs (i.e. system with many clocks), there is a potential risk that the
diagonal of the DBM can underflow. This will corrupt the DBM and any further
analysis.
Comment 1 Gerd Behrmann 2003-12-20 00:49:03 CET 
A fix was chechked into CVS by adavid@cs.auc.dk on the 8th of December 2003.