This book constitutes the refereed proceedings of the 7th International Conference on
Integrated Formal Methods IFM 2009 held in Düsseldorf Germany in February 2009. The 21
revised full papers presented together with 3 invited papers were carefully reviewed and
selected from 55 submissions. The papers address the whole spectrum of integrated formal
methods ranging from formal and semiformal modelling notations semantics verification
refinement model transformations to type systems logics tools and case studies.
