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Model checking of UML statecharts is the main concern of this paper. To model check it, however, its description has to be translated into the input language of the model checker SMV. For the purpose of translating UML statecharts as closely as possible into SMV, we use rewrite rules and its operational semantics.
State explosion problem is a major huddle in model checking area. The model described in the temporal model checking is mainly control flow model. The fFSM is a model for describing the control flow aspects in PeaCE(Ptolemy extension as a Codesign Environment), which is a hardware/ software codesign environment to support complex embedded systems. fFSM,… (More)
A Sudoku puzzle can be regarded as a propositional SAT problem. Various encodings are known for encoding Sudoku as a Conjunctive Normal Form(CNF) formula. Using these encodings for large Sudoku puzzles, however, generates too many clauses, which impede the performance of state-of-the-art SAT solvers. This paper presents an optimized CNF encoding in order to… (More)