Experiments in validating formal semantics for c

It is written and formally verified using the Coq proof assistant.We have implemented a tool that translates BPEL processes into Petri nets and then applies Petri-net-based analysis techniques.This tool has been tested on different examples, and has been used to answer a variety of questions.Abstract : This paper reports on the design of adequate on-machine formal semantics for a certified C compiler.This compiler is an optimizing compiler, that targets critical embedded software.To ensure the availability of the Digital Library we can not allow these types of requests to continue.The restriction will be removed automatically once this activity stops. but we have temporarily restricted your access to the Digital Library.

We use a mapping onto Petri nets because this allows us to use existing theoretical results and analysis tools.Unlike approaches based on finite state machines, we do not need to construct the state space, and can use structural analysis (e.g., transition invariants) instead.

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