Why do I sometimes get 3 lines of Critical Warning messages like the one below?
Timing constraints/analysis
<Critical warning message>
Critical Warning: Timing requirements not met
Quartus II uses three timing models for timing analysis when compiling devices on the 65nm process and beyond.
Three lines of Critical Warning indicate that timing constraints were not met for the three timing models.
Please check the timing analysis results in the compilation report or TimeQuest for details.
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