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This paper presents a methodology to improve the scenariobased modelling process from model checking and static analyzers during behavioural modelling in MDE process. Our method consists on combining modelling techniques with formal verification techniques to obtain an incremental iterative analysis process in an earlier phase of modelling.This helps not to fix architectural decisions earlier, and to guard and verify some choice for variability. These are based on generic properties of scenario modelling languages and verification tools, presented in the paper. This methodology contributes for future works, to obtain modelling increments from a separate verification engineering service process based in our previous results.

Key words and phrases. MDE process, model improvements by verification, scenariobased modelling, formal verification