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Bug 74 - Underflow in DBM closure operation
Summary: Underflow in DBM closure operation
Status: CLOSED FIXED
Alias: None
Product: UPPAAL
Classification: Unclassified
Component: Engine (show other bugs)
Version: 3.4.2
Hardware: All All
: P2 major
Assignee: Gerd Behrmann
URL:
Depends on:
Blocks:
 
Reported: 2003-12-20 00:47 CET by Gerd Behrmann
Modified: 2004-03-15 07:43 CET (History)
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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.