[sv-ac] notes from SV-AC meeting 2008-01-15

From: John Havlicek <john.havlicek_at_.....>
Date: Tue Jan 15 2008 - 10:49:45 PST
Hi Folks:

My notes from today's meeting are attached.

Please let me know if changes are required.

J.H.

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Minutes of IEEE P1800 SV-AC meeting #2007-35
Written by: John Havlicek

Date:  2008-01-15
Time:  16:00 UTC (10:00 CST) 

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Access Code:  7375405


Attendance Record:
------------------
        Legend:
                x = attended
                - = missed
                r = represented
                . = not yet a member
                v = valid voter (2 out of last 3 or 3/4 overall)
                n = not a valid voter
                t = chair eligible to vote only to make or break a tie

New PAR, attendance re-initialized on 2006-08-22:

vv[xxxxxxxxxxxxxxxxxxxxx-xxxxxxxxxxxxxxxxxxxxxxxx-xx] Doron Bustan (Intel)
vv[xxxxx--xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx-x] Eduard Cerny (Synopsys)     
nn[----------------------x-xxx---------x-x-xxx-x---x] Surrendra Dudani (Synopsys)
vv[xxxxxxxx-xxxxxx-xxxxxxxxx-xx-xxxxx-xxx-xxx-------] Yaniv Fais (Freescale)
tt[xxxx--xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx] John Havlicek (Freescale - Chair)
vv[xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxrxxxxxxxxxxxxx-xxx] Dmitry Korchemny (Intel - Co-Chair)
vv[xxxxx-xxxxxxxxx-xxx-x--xx--xxxxx----------xx-xxxx] Manisha Kulshrestha (Mentor Graphics)
nn[------------------------------xxxxx-------x-xx-x-] Jiang Long (Mentor Graphics)
nn[---------x------------x--xxx.....................] Joseph Lu (Altera)
vv[xxxxxxxxxxxxxxxxxxx..............................] Johan Martensson (Jasper)
nn[---------------------------x--x-xx--xx-xxxxxxx-x-] Hillel Miller (Freescale)
vv[xxxxx-xxxx-xxxxxxxxxxxxxxxxxxx-xxxxxxxx-xxxxxxxxx] Lisa Piper (Cadence)
vv[xxxxxx-x-x-xx-xxxxxxx-x-xxxxx-x..................] Erik Seligman (Intel)
nn[-------x-x----x--------xxxx-----xxxx-xx----------] Tej Singh (Mentor Graphics)
vv[xxxxxx-x-xxxxxx--xxxxxxxx-xxxxxxxxxxxxxxxxxxxxxxx] Bassam Tabbara (Synopsys)
vv[xxxxxxxxx-xxxxxxxxxxxxx-xxxxxxxxxx...............] Tom Thatcher (Sun Microsystems)
   |------------------------------------------------- attendance on 2008-01-15
 |--------------------------------------------------- voting eligibility on 2008-01-15
|---------------------------------------------------- new voting eligibility


Agenda:
-------

- Reminder of IEEE patent policy.

Champions results
- Upcoming meeting 2008-01-17.

Ballot results
- 1667:  Local variable arguments [JH].
- 1729:  Immediate assume and cover [EC].

Ongoing ballots:
- 1900:  Checkers [DK].
- 2091:  Clarify where concurrent assertions may appear [LP].

Old items:
- 1995:  Assertions and checkers in for loops [ES].  Revised to address comments
  from SB.  Voice vote?
- 2005:  Glitches with immediate assertions [ES].  Comments from Tej Singh.
- 2088:  Covergroups in checkers [TT].  Ready to vote?
- 2089:  Final blocks in checkers [TT].  Ready to vote?

Major items:
- 1932:  LTL Operators [DK, DB]
  . operator precedence
  . non-vacuity definition
- 1667:  Local variable arguments [JH]

General working items:
- 1901:  Identifier for ## should be constant [EC]
  . Need reviewers.
- 2150:  Disallow reference to automatic variables in action blocks
  and subroutine calls [MK]
  . Ready to vote?
- 1756:  Assertion control tasks in initial blocks [EC]
- 1769:  Elaboration-time assertions and error reporting [EC]

Other items


Notes:
------

- Reminder of IEEE patent policy.

Champions results
- Upcoming meeting 2008-01-17.
  . The following SV-AC items are on the agenda:  1648, 1682, 1987, 1683, 1668.

Ballot results
- 1667:  Local variable arguments [JH].
  . Voice vote to change "cannot" to "shall not" 7y/0n/0a.
  . We will create a separate mantis for the VPI.
- 1729:  Immediate assume and cover [EC].
  . EC will revise to put in the page break from BT's friendly 
    amendment.

Ongoing ballots:
- 1900:  Checkers [DK].
  . LP will send a ballot in later today.
  . If there are no negative votes, JH will send mail to Neil Korpusik about 
    Champions proactively starting consideration of 1900.
  . DK will address any friendly amendments on 2008-01-16 or, at latest, 2008-01-17, 
    and JH will call for e-mail vote to approve friendly amendments closing 2008-01-21.
- 2091:  Clarify where concurrent assertions may appear [LP].
  . LP has addressed the technical points in the negative votes.
  . If there are no further change requests from the current ballot, JH will 
    call for another e-mail vote to end 2008-01-21.

Old items:
- 1995:  Assertions and checkers in for loops [ES].
  . Voice vote to approve ES's implementation of the rewording changes suggested
    by Shalom Bresticker.  9y/0n/0a
  . JH will mark as resolved.
- 2005:  Glitches with immediate assertions [ES].  Comments from Tej Singh.
  . ES will review Tej's e-mail.
  . ES will post new version on 2008-01-16 or, at latest, 2008-01-17, and JH will call 
    for e-mail vote to close 2008-01-21.
- 2088:  Covergroups in checkers [TT].
  . TT has revised the proposal, DK agrees that his major issue is resolved.
  . JH will call for an e-mail vote to close 2008-01-21.
- 2089:  Final blocks in checkers [TT].
  . TT will post one more revision today.  Then JH will call for an e-mail vote
    to close 2008-01-21.
  . TT has uploaded the revision.

Major items:
- 1932:  LTL Operators [DK, DB]
  . operator precedence
    . JM:  a ##1 b throughout c[->1] will parse with LR(1).  There will not
      be a shift reduce conflict in this case.  
    . Discussion of whether LRM assumes LR(1) parsing.
    . JM will send mail to Brad Pierce about LRM parsing assumptions.
    . JM:  If there are other parsing algorithms, we may need to consider
      the implications of operator precedence.
    . JH:  We are running out of time.  We may need to live with the 
      revised precedence.
    . DB will update proposal, move precedence of next back where Johan had
      suggested it.    
  . non-vacuity definition
    . Discussed JHs suggested.
    . JH:  The prposal needs to have explicit non-vacuity for always, eventually.
      Also the current derived form for s_until does not give the right result.
  . DB will revise proposal and deposit on Wednesday.  
    . DB uploaded.
  . JH will call for an email vote to run until 2008-01-28.

- JH:  People should suggest the next major item(s) based on our schedule.
- LP will have 1698 ready for review this week.  EC will review.

General working items:
- 2182:  VPI for checkers [DK].
  . JH will call for e-mail vote to close 2008-01-21.
- 1901:  Identifier for ## should be constant [EC]
  . YF, TT will review.
- 2150:  Disallow reference to automatic variables in action blocks
  and subroutine calls [MK]
  . MK updated the proposal.
  . JH will call for a vote to close 2008-01-21.
- 1756:  Assertion control tasks in initial blocks [EC]
  . DK does not want to drop this item.
  . DK:  Did we say that we would use a different syntax?
  . JH:  This would avoid the backward compatibility issue.
  . EC:  Then the new syntax needs to be defined and it needs
    to be explained.
- 1769:  Elaboration-time assertions and error reporting [EC]
  . YF reviewed.
  . JH will call for an email vote to run until 2008-01-21.

Other items


-------------------------------------------------------------------------
Remaining Extension Schedule

Legend:
M:  major item slot (2 concurrent)
m:  minor item slot (4 concurrnet)
v:  very minor item slot (no limit)
d:  draft preparation slot (no limit)

Items in other Committees:
--------------------------
  1503 // SV-CC [LP,BT are monitoring]
  1599 // SV-CC [BT is monitoring]
  1601 // SV-EC
  1757 // SV-CC
  1758 // SV-BC
  1898 // SV-CC

Late Items:
-----------
  v: 1687 // review due 2008-01-08
  m: 1756 // due 2007-12-11
  M: 1932 // due 2007-11-27
  M: 1900 // due 2007-12-04
  m: 1729 // due 2007-12-18
  v: 1786 // due 2007-12-18; resolve in 1932
  m: 2172 // draft due 2007-12-18
  m: 2173 // draft due 2008-01-08
  m: 2069 // draft due 2008-01-15

2008-01-15
  M: 1667 ballot & revision
  M: 2005 review
  m: 2172 ballot & revision
  m: 2150 ballot & revision
  m: 1683 ballot & revision
  m: 1769 ballot & revision
  v: 1687 ballot & revision
  v: 1901 review
  d: 0966/1982 draft
  d: 2110 draft
  d: 2069 draft
  d: 1987 draft
2008-01-22
  M: 2005 review
  M: 2110 review
  m: 2173 review
  m: 2150 ballot & revision
  m: 1769 ballot & revision
  m: 2069 review
  v: 1901 ballot & revision
  v: 1987 review
  d: 0966/1982 draft
  d: 2100 draft
  d: 1686 draft
  d: 1830 draft
2008-01-29
  M: 2005 ballot & revision
  M: 2110 ballot & revision
  m: 2173 ballot & revision
  m: 0966/1982 review
  m: 2100 review
  m: 2069 review
  v: 1686 review
  v: 1830 review
  v: 1987 ballot & revision
  d: 1806 draft
2008-02-05
  M: 2005 ballot & revision
  M: 2110 ballot & revision
  m: 2173 ballot & revision
  m: 0966/1982 ballot & revision
  m: 2100 ballot & revision
  m: 1806 review
  v: 1686 ballot & revision
  v: 1830 ballot & revision
2008-02-12
  M: 2069 ballot & revision
  M: 1551 review
  m: 0966/1982 ballot & revision
  m: 2100 ballot & revision
  m: 2168 review
  m: 1806 review
2008-02-19
  M: 2069 ballot & revision
  M: 1551 ballot & revision
  m: 2168 ballot & revision
  m: 1806 ballot & revision
  m:
  m:
2008-02-26
  M: 1551 ballot & revision
  M:
  m:
  m:
  m:
  m:

================================================================
OLD

Notes:
------

- Reminder of IEEE patent policy.

Ballot results
- 1682:  Future value functions [DK]
  . Ballot failed.
  . DK will revise today and JH will call for a vote to close on 2007-12-24.
- 1900:  Checkers [DK]
  . Ballot failed.
  . The equivalence stated is not like other equivalences in simulation.  DK will
    rework the language.  JH says this is not equivalent for what we have been
    talking about requiring of the simulator.  ES says maybe they should be said
    to be equivalent for formal tools.
  . DK will also clarify the second example with local variables.
  . DK will add an example to illustrate using matched.
  . DK will try to revise in two days.  We will have 10-day ballot.
- 1995:  Assertions and checkers in for loops [ES]
  . Ballot passed, but with friendly amendments.
  . ES will modify and JH will call for a vote to close on 2007-12-24.
- 2005:  Glitches with immediate assertions [ES]
  . Ballot failed.
  . The proposal is already updated.  JH will call for a vote to close on 
    2007-12-24.

Old items:
- 1503:  VPI diagram of propertinst has no vpiArgument.
  . We will leave SV-CC to stabilize and pass this and then SV-AC can have a final
    look.
- 1683:  Relaxing rules for building multiclocked properties
  . JH will call for a vote to close on 2007-12-24.

Major items:
- 1932:  LTL Operators [DK, DB]
  . JM: There is still the issue of the rewrite rules in the formal semantics document.
    JM: It is not necessary to state that the transformation T is applied to a clocked
    sequence.  JM will write down comments on Clause 16.  DB:  Intent was to remove the
    part about leading clock and replace with 1.  JM:  It does not look as though 
    this has been done.
- 1667:  Local variable arguments [JH] -- proposal not yet ready
  . EC, DB volunteered to review the proposal.

General working items:
- 1729:  Immediate assume and cover [EC]
  . Proposal updated 2007-12-03.
  . MK will review.  There were changes due to 1641.
- 2088:  Covergroups for checkers [TT]
- 2089:  Allow checker construct to include final blocks with immediate
  assertions [TT]
  . JH will look for the revised proposals in the next two days and call
    for 10-day vote along with the 1900 vote.
- 1987:  Verification statement as defined term [DB review]
  . JH will call for an e-mail vote on this to close on 2007-12-24.
- 2091:  Clarify where concurrent assertions may appear [TT review]
  . LP will post the proposal and then TT will review.
- 2150:  Disallow reference to automatic variables in action blocks
  and subroutine calls [MK]
  . Manisha will post in the next day or two.
  . YF will review.
- 2172:  Sequence if-else [JH] -- proposal not yet ready

Other items


Next Meeting:
- 2008-01-08, two-hour slot.

-------------------------------------------------------------------------
Extension Schedule

Legend:
M:  major item slot (2 concurrent)
m:  minor item slot (4 concurrnet)
v:  very minor item slot (no limit)
d:  draft preparation slot (no limit)

2007-11-13
  M: 1932 ballot & revision
  M: 1900 review
  m: 1757 ballot & revision
  m: 1898 review
  m: 1756 ballot & revision
  m: 1682 ballot & revision
2007-11-20
  M: 1932 ballot & revision
  M: 1900 ballot & revision
  m: 1757 ballot & revision
  m: 1898 review
  m: 1756 ballot & revision
  m: 1682 ballot & revision
  d: 1503 draft
  d: 2033 draft
2007-11-27
  M: 1932 ballot & revision
  M: 1900 ballot & revision
  m: 2005 review
  m: 1898 ballot & revision
  m: 1756 ballot & revision
  m: 1503 ballot & revision
  v: 2033 review
  d: 1667 draft
  d: 1683 draft
2007-12-04
  M: 1900 ballot & revision
  M: 1995 ballot & revision
  m: 1898 ballot & revision
  m: 1756 ballot & revision
  m: 1503 ballot & revision
  v: 2033 ballot & revision
  d: 1667 draft
  d: 2150 draft
  d: 1683 draft
2007-12-11
  M: 1667 review 
  M: 1995 ballot & revision
  m: 1729 ballot & revision
  m: 1756 ballot & revision
  m: 1503 ballot & revision
  m: 2150 review
  m: 1683 review
  v: 1786 review
  d: 2172 draft
2007-12-18
  M: 1667 review 
  M: 1995 ballot & revision
  m: 1729 ballot & revision
  m: 2172 review
  m: 2150 review
  m: 1683 review
  v: 1786 ballot & revision
  d: 1627 draft
2008-01-08 JAN
  M: 1667 ballot & revision
  M: 2005 review
  m: 2172 ballot & revision
  m: 2150 ballot & revision
  m: 1683 ballot & revision
  m: 1769 review
  v: 1687 review
  d: 2173 draft
  d: 2069 draft
  d: 1901 draft
2008-01-15
  M: 1667 ballot & revision
  M: 2005 review
  m: 2172 ballot & revision
  m: 2150 ballot & revision
  m: 1683 ballot & revision
  m: 1769 ballot & revision
  v: 1687 ballot & revision
  v: 1901 review
  d: 0966/1982 draft
  d: 2110 draft
  d: 2069 draft
  d: 1987 draft
2008-01-22
  M: 2005 review
  M: 2110 review
  m: 2173 review
  m: 2150 ballot & revision
  m: 1769 ballot & revision
  m: 2069 review
  v: 1901 ballot & revision
  v: 1987 review
  d: 0966/1982 draft
  d: 2100 draft
  d: 1686 draft
  d: 1830 draft
2008-01-29
  M: 2005 ballot & revision
  M: 2110 ballot & revision
  m: 2173 ballot & revision
  m: 0966/1982 review
  m: 2100 review
  m: 2069 review
  v: 1686 review
  v: 1830 review
  v: 1987 ballot & revision
  d: 1806 draft
2008-02-05
  M: 2005 ballot & revision
  M: 2110 ballot & revision
  m: 2173 ballot & revision
  m: 0966/1982 ballot & revision
  m: 2100 ballot & revision
  m: 1806 review
  v: 1686 ballot & revision
  v: 1830 ballot & revision
2008-02-12
  M: 2069 ballot & revision
  M: 1551 review
  m: 0966/1982 ballot & revision
  m: 2100 ballot & revision
  m: 2168 review
  m: 1806 review
2008-02-19
  M: 2069 ballot & revision
  M: 1551 ballot & revision
  m: 2168 ballot & revision
  m: 1806 ballot & revision
  m:
  m:
2008-02-26
  M: 1551 ballot & revision
  M:
  m:
  m:
  m:
  m:
Received on Tue Jan 15 10:50:53 2008

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