<div dir="ltr"><div>Setting print_level to 0 in couenne_options did the trick. Wouldn't it better to make it the default?</div><div><br></div>Thanks,<div>Victor<br><br><div class="gmail_quote"><div dir="ltr">On Sat, May 30, 2015 at 9:53 AM Pietro Belotti <<a href="mailto:petr.7b6@gmail.com">petr.7b6@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Actually, that turned out much easier than I thought. Please try<br>
adding the line "print_level 0" to the option file couenne.opt.<br>
<br>
Regards,<br>
Pietro<br>
<br>
On Sat, May 30, 2015 at 5:35 PM, Pietro Belotti <<a href="mailto:petr.7b6@gmail.com" target="_blank">petr.7b6@gmail.com</a>> wrote:<br>
> Hi Victor,<br>
><br>
> I'm aware of that. This is due to the Ipopt/AMPL interface<br>
> (Ipopt/src/Apps/AmplSolver/AmplTNLP.cpp), in particular function<br>
> nerror_ok(), line 1461: every time an evaluation error is encountered<br>
> a message is printed. I'm trying now to set the output level for that<br>
> specific message handler from within Couenne, since the print is the<br>
> Ipopt source so I can't directly control that. I'll keep you posted.<br>
><br>
> Pietro<br>
><br>
><br>
><br>
> On Wed, May 27, 2015 at 1:15 AM, <a href="mailto:victor.zverovich@gmail.com" target="_blank">victor.zverovich@gmail.com</a><br>
> <<a href="mailto:victor.zverovich@gmail.com" target="_blank">victor.zverovich@gmail.com</a>> wrote:<br>
>> And another issue with the output: running Couenne on the CUTE test set<br>
>> produced ~1GB of identical error messages:<br>
>><br>
>> Error in an AMPL evaluation. Run with "halt_on_ampl_error yes" to see<br>
>> details.<br>
>><br>
>> It would be nice if the error message was only produced once per<br>
>> optimization problem to avoid flooding the output by domain errors and such.<br>
>><br>
>> Best regards,<br>
>> Victor<br>
>><br>
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</blockquote></div></div></div>