Checking RTECTL properties of STSs via SMT-based Bounded Model Checking

• Autores: A. M. Zbrzeny, A. Zbrzezny
• Localización: IJIMAI, ISSN-e 1989-1660, Vol. 3, Nº. 5, 2015, págs. 28-35
• Idioma: inglés
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• Resumen

  • We present an SMT-based bounded model checking (BMC) method for Simply-Timed Systems (STSs) and for the existential fragment of the Real-time Computation Tree Logic. We implemented the SMT-based BMC algorithm and compared it with the SAT-based BMC method for the same systems and the same property language on several benchmarks for STSs. For the SAT- based BMC we used the PicoSAT solver and for the SMT-based BMC we used the Z3 solver. The experimental results show that the SMT-based BMC performs quite well and is, in fact, sometimes significantly faster than the tested SAT-based BMC.