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Multi-Application
Operating System (MULTOS)
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Smart
card OS
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30%
written in SPARK, 30% Ada, 30% C++
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Proof
process (or lack thereof) similar to C130J
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SIL4
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Real-time
embedded control-system
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Tried
to convert to SPARK after testing
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Code-generator
“flattened” structure
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Lots
of problems…
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