Vaunted, avriable, vexatious, verified

Querulent paranoia and the vexatious complainant.

Totally Verified Systems: Linking Verified Software to Verified Hardware

From a Verified Kernel towards Verified Systems

The L4.verified project has produced a formal, machinechecked Isabelle/HOL proof that the C code of the seL4 OS microkernel correctly implements its abstract implementation. This paper briefly summarises the proof, its main implications and assumptions, reports on the experience in conducting such a large-scale verification, and finally lays out a vision how this formally verified kernel may be...

Verified Calculations

Calculational proofs—proofs by stepwise formula manipulation—are praised for their rigor, readability, and elegance. It seems desirable to reuse this style, often employed on paper, in the context of mechanized reasoning, and in particular, program verification. This work leverages the power of SMT solvers to machine-check calculational proofs at the level of detail they are usually written by ...

Pervasive Compiler Verification - From Verified Programs to Verified Systems

We report in this paper on the formal verification of a simple compiler for the C-like programming language C0. The compiler correctness proof meets the special requirements of pervasive system verification and allows to transfer correctness properties from the C0 layer to the assembler and hardware layers. The compiler verification is split into two parts: the correctness of the compiling spec...