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HyTech Demo Menu

Please choose your input example. You may use an example in our test set or design your own example.

Railroad gate controller
The gate controller of a railroad crossing has a delay of a seconds; that is, the gate starts closing a seconds after a train signals its approach. HyTech computes the safe values of a such that the gate is fully closed whenever the train is within 10 meters of the gate. (PostScript illustration.)

Timing-based mutual-exclusion protocol
Fischer's shared-variables protocol relies on timing to ensure mutual exclusion between two processes. HyTech computes the safe values for the duration a of shared-memory accesses and the duration b of explicit delays, assuming that all durations are measured by drifting local clocks. (PostScript illustration.)
Design your own example

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Last updated in July, 1996
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