This book presents the refereed proceedings of FM 2009 the 16th International Symposium on
Formal Methods held as the Second World Congress on Formal Methods in Eindhoven The
Netherlands in November 2009 in the course of the first International Formal Methods Week
FMWeek 2009. The 45 revised full papers presented together with 5 invited papers and 3
additional papers from the Industry Day were carefully reviewed and selected from 139
submissions. The papers are organized in topical sections on model checking compositionality
verification concurrency refinement static analysis theorem proving semantics industrial
applications object-orientation pointers real-time tools and industrial applications and
industry-day abstracts.