[sv-ac] Mantis 1900 (checkers) updated

Hi all,

 

I uploaded an updated version of the checker proposal. It has the
following changes:

 

*	Added the formal semantics of local variable assignment
*	Modified the definition of the sequence dependency on a free
variable: instead of saying that a sequence depends on a free variable
if the last cycle of the sequence depends on this free variable I
introduced a coarser definition saying that a sequence depends on a free
variable if this free variable enters the sequence expression. The
reason for doing that is that we don't have a definition of the last
cycle of the sequence. 
*	Replaced "If targeted for simulation the checker shall not
contain non-deterministic free variables." with "In simulation the
assertions containing non-deterministic free variables shall be checked
for all the possible values of these free variables complying the
constraints imposed to them by the assumptions and by the assignments
(see 16.18.5.1)."
*	Fixed several typos and stylistic mistakes pointed out by Erik.

 

Thanks,

Dmitry

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