The refinement process is a systematic approach in formal verification that involves transforming an abstract model into a more detailed and concrete representation while ensuring that the new model maintains the desired properties of the original. This iterative method helps bridge the gap between high-level specifications and low-level implementations, enabling verification at different levels of abstraction. By refining the model, inconsistencies or errors can be identified and resolved progressively, improving both the reliability and correctness of hardware designs.
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