Logical time is a relaxed form of time promoted by synchronous languages that is functional, elastic (can be abstracted or refined), and multiform. All these properties make logical time adequate also at design time, whereas precise physical time annotations should only matter in later post-synthesis stages. The Clock Constraint Specification Language (CCSL) is a concrete language dedicated to the modeling and analysis of logical time properties. CCSL was initially defined as a companion for the time model of the UML profile for MARTE. It has now become a full-fledged domain-specific...