Invited papers.- Positive Non-interference in Elementary and Trace Nets.- Reachability Set Generation for Petri Nets: Can Brute Force Be Smart?.- Embedded Software: Better Models, Better Code.- Specification and Model Checking of Temporal Properties in Time Petri Nets and Timed Automata.- Formal Tools for Modular System Development.- Stochastic Methods for Dependability, Performability, and Security Evaluation.- Full papers.- Composition of Temporal Logic Specifications.- On the Use of Coloured Petri Nets for Object-Oriented Design.- Qualitative Modelling of Genetic Networks: From Logical Regulatory Graphs to Standard Petri Nets.- Finite Unfoldings of Unbounded Petri Nets.- Compositional Modeling of Complex Systems: Contact Center Scenarios in OsMoSys.- Generalised Soundness of Workflow Nets Is Decidable.- Petri Net Based Model Validation in Systems Biology.- Synthesis of Controlled Behavior with Modules of Signal Nets.- New Canonical Representative Marking Algorithms for Place/Transition-Nets.- Properties of Object Petri Nets.- LTL Model Checking for Modular Petri Nets.- Covering Fairness against Conspiracies.- Modeling and Analysis of Margolus Quantum Cellular Automata Using Net-Theoretical Methods.- A Framework for the Modelling and Simulation of Distributed Transaction Processing Systems Using Coloured Petri Nets.- Time Petri Nets with Inhibitor Hyperarcs. Formal Semantics and State Space Computation.- Transit Case Study.- Eliminating Internal Behaviour in Petri Nets.- Infinity of Intermediate States Is Decidable for Petri Nets.- Operation Net System: A Formal Design Representation Model for High-Level Synthesis of Asynchronous Systems Based on Transformations.- Tool Papers.- EMiT: A Process Mining Tool.- 3D-Visualization of Petri Net Models: Concept and Realization.- An Approach to Distributed State Space Exploration for Coloured Petri Nets.- An Extensible Editor and Simulation Engine for Petri Nets: Renew.- Web Supported Enactment of Petri-Net Based Workflows with XRL/Flower.