This is a "bad pointer address" message which typically indicates an obscure
bug of some kind. The problem might be in KNITRO or it might be in the
AMPL-solver library. Could you send me your model and data? Once I can
reproduce this error, I'm sure it can be fixed quickly.
As a temporary workaround, you might try setting
option knitro_options 'algorithm=1';
and similarly algorithm=2 or algorithm=3. One of these should give the same
error that you're currently getting, but the other two will attempt to solve
your problem in different ways and might be successful.
Bob Fourer
4er@...
> -----Original Message-----
> From:
ampl@... [mailto:
ampl@...] On Behalf Of
> Steven Joyce
> Sent: Sunday, May 25, 2008 8:12 AM
> To:
ampl@...
> Subject: [AMPL 1798] error message: bad e->a in heswork
>
> I'm getting the following error message when I try to solve my model:
>
> bad e->a = 400603 in heswork
>
> Can anyone help me figure out what this message is trying to tell me?
>
> I'm running AMPL version 20080307 with solver KNITRO 5.2.0.
>
> --
> View this message in context:
http://www.nabble.com/error-message%3A-bad-> e-%3Ea-in-heswork-tp17430124p17430124.html
> Sent from the AMPL mailing list archive at Nabble.com.
>
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