Leveraging Applications of Formal Methods, Verification, and Validation [electronic resource] : International Workshops, SARS 2011 and MLSC 2011, Held Under the Auspices of ISoLA 2011 in Vienna, Austria, October 17-18, 2011. Revised Selected Papers / edited by Reiner Hähnle, Jens Knoop, Tiziana Margaria, Dietmar Schreiner, Bernhard Steffen.