This book constitutes revised selected papers from the
18th Brazilian Symposium on Formal Methods, SBMF 2015, which took place in Belo
Horizonte, Brazil, in September 2015.





The 11 papers presented in this volume were carefully
reviewed and selected from 25 submissions. They were organized in topical
sections named: model checking; languages and semantics; refinement and
verification; testing and evaluation.