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Bounded context switch reachability analysis is a useful and efficient approach for detecting bugs in multithreaded programs. In this paper, we address the application of this approach to the analysis of multithreaded programs with procedure calls and dynamic linked structures. We define a program semantics based on concurrent pushdown systems with visible heaps as stack symbols. A visible heap is...
Secure information flow analysis aims to check that the execution of a program does not reveal information about secret data manipulated by this program. In this paper, we consider programs dealing with arrays; unlike most of existing works, we will not assume that arrays are homogeneous in terms of security levels. Some part of an array can be declared as secret whereas another part is public. Based...
We investigate notions of decidability and definability for the Monadic Second-Order Logic over labeled tree structures, and its relations with finite automata using oracles to test input prefixes.A general framework is defined allowing to transfer some MSO-properties from a graph-structure to a labeled tree structure. Transferred properties are the decidability of sentences and the existence of a...
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