Hi Gernot, when analyzing the statement carefully, you'll find that it's indeed true. The seL4 source was *open-sourced* in July 2014 whereas the Muen source was released in August 2013.
But of cause you're right, we're not talking about the same properties here. Cheers, Alex On 03/10/2016 10:33 PM, Gernot Heiser wrote: > Interesting statement on the Muen kernel section: "The world’s first Open > Source microkernel that has been formally proven to contain no runtime errors > at the source code level. “ > > We proved full functional correctness (which is a superset of absence of > runtime errors) for seL4 in 2009. I must be missing something. -- Dipl.-Inf. Alexander Senier Scientific Assistant TU Dresden Faculty of Computer Science Institute of System Architecture Chair of Privacy and Data Security 01062 Dresden Tel.: +49 351 463-38719 Fax : +49 351 463-38255