100% safety is pretty difficult, but take a look at the tool described here starting at slide 60, http://talks.desp.in/fronteers2014 http://talks.desp.in/fronte

100% safety is pretty difficult, but take a look at the tool described here starting at slide 60, http://talks.desp.in/fronteers2014 http://talks.desp.in/fronteers2014 It's fairly easy to roll your own version of this and do analysis.