A REACHABILITY TREE FOR STATECHARTS AND ANALYSIS OF SOME PROPERTIES

被引:16
|
作者
MASIERO, PC [1 ]
MALDONADO, JC [1 ]
BOAVENTURA, IG [1 ]
机构
[1] UNIV STATE SAO PAULO,UNESP,SJRP,IBILCE,DEPT COMP SCI & STAT,SAO PAULO,BRAZIL
基金
美国国家科学基金会;
关键词
STATECHARTS; REACTIVE SYSTEMS; REACHABILITY TREE; EXHAUSTIVE SIMULATION; DYNAMIC PROPERTIES OF STATECHARTS;
D O I
10.1016/0950-5849(94)90021-3
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Statecharts are an extension to finite state machines with capability for expressing hierarchical decomposition and parallelism. They also have a mechanism called history, to remember the last visit to a superstate. An algorithm to create a reachability tree for statecharts is presented. Also shown is how to use this tree to analyse dynamic properties of statecharts; reachability from any state configuration, usage of transitions, reinitiability, deadlocks, and valid sequence of events. Owing to its powerful notation, building a reachability tree for statecharts presents some difficulties, and we show how these problems were solved in the tree we propose.
引用
收藏
页码:615 / 624
页数:10
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