一种使用符号符号的程序周期变换

D. Romannikov, G. Troshina, A. Voevoda
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引用次数: 0

摘要

目前,在程序工业中没有正式的工具可以保证分析软件中没有错误。大量的程序路径会影响程序分析的复杂性。本文介绍了一种减少程序路径数量的方法。这种方法基于符号表示法。根据这种方法,程序周期后的变量应该用符号表达式来表示。其中,在这些表达式中引入附加变量以描述一组程序变量。之后,程序应该被描绘成一个图,其中上下文作为节点。然后,可以通过计算表达式来分析任何状态下的上下文图,其中符号被该上下文中的可能值所取代。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A program cycle transformation with using of a symbolic notation
Nowadays there are not formal tools in the program industrial that can guarantee a lack of errors in analyzed software. A huge number of program paths affect to a complexity of a program analysis. An approach of reducing of a quantity of program paths is described in the paper. This approach bases on a symbolic notation. According to this approach variables after program cycle should be depicted as a symbolic expression. Wherein additional variables are introduced in these expressions for describing of a set of a program variables. After that a program should be depicted as a graph with contexts as a nodes. Then this graph of contexts might be analyzed in any state by calculation of an expression where symbols are substituted by their possible values in this context.
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