This book brings together a selection of the best papers from the nineteenth edition of the Forum on specification and Design Languages Conference (FDL), which took place on September 14-16, 2016, in Bremen, Germany. FDL is a well-established international forum devoted to dissemination of research results, practical experiences and new ideas in the application of specification, design and verification languages to the design, modeling and verification of integrated circuits, complex hardware/software embedded systems, and mixed-technology systems.

Whether led by fate or dark forces, a young girl named Viola appears at the witch Ellen's door-a chance encounter that bursts open the gates of tragedy. As she explores the house of horrors, which lies deep in the forest awaiting its prey, what new bloody beginnings are in store?