I found this article describing how they produce the space shuttle software an interesting read.

Another approach taken with life-critical software is Formal Verification. That is, mathematically prove that software meets its specification. Though very expensive to perform, it is performed today in a number of areas, verifying secure microkernels, for instance.

In reply to Re: Projects where people can die by eyepopslikeamosquito
in thread Projects where people can die by cog

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