Johann Blieberger Bernd Burgstaller Robert Mittermayr Static Detection of Livelocks in Ada Multitasking Programs. 69-83 2007 conf/adaEurope/2007 Ada-Europe http://dx.doi.org/10.1007/978-3-540-73230-3_6 db/conf/adaEurope/adaEurope2007.html#BliebergerBM07