Sagar Chaki Edmund M. Clarke Joël Ouaknine Natasha Sharygina Nishant Sinha State/Event-Based Software Model Checking. 128-147 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2999&spage=128 2004 conf/ifm/2004 IFM db/conf/ifm/ifm2004.html#ChakiCOSS04