+*xy*ay*+xay**xyz*x*yz2.0+*xy*ay*+xay+*xy*ay+xa**xyz*x*yz**xyz*yztrue+*xy*ay+xafalse12+*xy*ay*+xayfalse1**xyz*yz**xyz*x*yztrue1*211*211112
AProVE
20cf63ea9f01bf40524adf2af9b95e39102e7dab rene 20110328 unpublished dirty
http://aprove.informatik.rwth-aachen.de/
John
Doe