POPL 2021 (series) / CPP 2021 (series) / Certified Programs and Proofs Lightning Talks /
Mechanically-checked soundness of type-based null safety
Null pointer dereferencing remains one of the major source of bugs in software. This presentation reviews the first mechanically-checked formalization of guaranteed null safety based on the notion of free and committed types in a statically-typed object-oriented language. It summarizes the results of translation from the original proof on paper into Isabelle/HOL, discusses found inconsistencies, implicit assumptions, and genuine mistakes, and reports on the completed proof for the extended type system.
| Pre-recorded video (CPP-2021 Mechanically-checked soundness of type-based null safety.mkv) | 15.59MiB |
Mon 18 Jan Times are displayed in time zone: Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna change
Mon 18 Jan
Times are displayed in time zone: Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna change
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