Verification of Snapshotable Trees using Access Permissions and Typestate

Hannes Mehnert, Jonathan Aldrich

    Research output: Journal Article or Conference Article in JournalJournal articleResearchpeer-review


    We use access permissions and typestate to specify and ver- ify a Java library that implements snapshotable search trees, as well as some client code. We formalize our approach in the Plural tool, a sound modular typestate checking tool. We describe the challenges to verify- ing snapshotable trees in Plural, give an abstract interface specification against which we verify the client code, provide a concrete specification for an implementation and describe proof patterns we found. We also relate this verification approach to other techniques used to verify this data structure.
    Original languageEnglish
    Book seriesLecture Notes in Computer Science
    Pages (from-to)187-201
    Number of pages15
    Publication statusPublished - 2012


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