CAJ | 학술논문

针对参数化系统状态空间爆炸问题提出了一个通用的参数化系统二维抽象框架TDA.对所有进程单独进行抽象,利用参数化系统的设计思想,隐藏系统参数构建全系统的抽象模型,最大限度地剔除了原始系统中的冗余信息.建立的具有真并发语义的参数化系统的形式化模型,更适合描述一般意义上的并发系统,较好地解决了验证大规模同构和异构系统的空间激增问题.理论推导和实例均证实了TDA的正确性和合理性.
침대삼수화계통상태공간폭작문제제출료일개통용적삼수화계통이유추상광가TDA.대소유진정단독진행추상,이용삼수화계통적설계사상,은장계통삼수구건전계통적추상모형,최대한도지척제료원시계통중적용여신식.건립적구유진병발어의적삼수화계통적형식화모형,경괄합묘술일반의의상적병발계통,교호지해결료험증대규모동구화이구계통적공간격증문제.이론추도화실례균증실료TDA적정학성화합이성.
To address the state explosion problem in model checking parameterized systems, this paper proposes a generic framework of two-dimension abstraction (TDA), in which the size of the state transition graph for individual process is reduced independently at first, and the whole system composed of reduced processes is then abstracted based on the design method of parameterized systems, thus avoiding the construction of the unreduced model that might be too big to fit into memory. Formal model with true concurrency semantics for parameterized systems, more suitable for describing general concurrency systems, is introduced, which effectively solves the problem of verifying both homogeneous and heterogeneous systems. Results from the theoretical reasoning and the example given demonstrate that TDA is correct and feasible.