Tools and Algorithms for the Construction and Analysis of Systems [electronic resource] : 17th International Conference, TACAS 2011, Held as Part of the Joint European Conferences on Theory and Practice of Software, ETAPS 2011, Saarbrücken, Germany, March 26–April 3, 2011. Proceedings / edited by Parosh Aziz Abdulla, K. Rustan M. Leino.