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Traditionally, the state-space explosion problem in model checking is handled by applying abstractions and simplifications to the model that needs to be verified. In this paper, we propose a model-driven engineering approach that works the other way around. Instead of making a concrete model more abstract, we propose to refine an abstract model to make it more concrete. We propose to use fine-grained model transformations to enable model checking of models that are as close to the implementation model as possible. We applied our approach in a case study. The results show that models that are more concrete can be validated when fine-grained transformations are applied.