Gillian: Compositional Symbolic Execution for All
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We present Gillian, a language-independent framework for the development of compositional symbolic analysis tools. Gillian supports three flavours of analysis: whole-program symbolic testing, full verification, and bi-abduction. It comes with fully parametric meta-theoretical results and a modular implementation, designed to minimise the instantiation effort required of the user. We evaluate Gillian by instantiating it to JavaScript and C, and perform its analyses on a set of data-structure libraries, obtaining results that indicate that Gillian is robust enough to reason about real-world programming languages.
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