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Looking for Information on SOCDC-574 Warning

glapi

Any help would be appreciated. 

 

I am attempting to start SI fixing, during detail extraction I get the following warning:

***WARN: (SOCDC-574):     Transition time -1 less than 0 at term [Node Name]

 

Node Name represents a number of different buffer intput pins that were added during postroute hold fixing.I have been unsuccesful in finding information about this warning and I am wondering what causes this and is it a concern? The only hint I have is that the signals listed all seem to fall into one of three categories. 

1.) Asynchronous Signal

2.) Multicycle paths 

3.) Timing Constraint is a path delay. 

 

Has anyone encountered this before or would anyone know where to get more info?

 

Thanks!

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