This book constitutes the thoroughly refereed post-conference proceedings of the 17th Brazilian Symposium on Formal Methods, SBMF 2014, held in Maceió, Brazil, in September/October 2014.The 9 revised full papers presented together with 2 invited talks were carefully reviewed and selected from 34 submissions. SBMF is an event devoted to the dissemination of the development and use of formal methods for the construction of high quality computational systems, aiming to promote opportunities for researchers with interests in formal methods to discuss the recent advances in this area.