[Ipopt] IPOPT issue solving consecutive problems (segmentation fault)

Andreas Waechter awaechter.iems at gmail.com
Sun Apr 8 15:45:09 EDT 2012

Hi Dragos,

I could run your code through a memory checker, such as "valgrind" on 
Linux.  If it turns out that the segfault is indeed caused by Ipopt 
code, please submit a ticket with a bugfix or a simple program to 
reproduce the problem.



Andreas Waechter

Associate Professor
Department of Industrial Engineering and Management Sciences
McCormick School of Engineering
Northwestern University
Evanston, IL 60208

On 04/06/2012 10:43 AM, Dragos Clipici wrote:
> Good evening,
> I'm trying to develop  C code for solving some distributed 
> optimization problems which employs IPOPT.
> I'm trying to solve problems  in a FOR loop ( at each step i define a 
> new Ipopt problem and then i free it with FreeIpoptProblem), but after 
> the first step the IPOPT solver starts and i get a segmentation fault.
> Everything in the first step runs just dandy, i get 
> status==Solve_Succeeded, etc.
> I tried it as direct code in my main function, then i defined a 
> separate function where i call Ipoptsolve, but to no avail, same result.
> Has anyone encountered this issue before?
> Any advice would be appreciated, thanks.
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> Ipopt mailing list
> Ipopt at list.coin-or.org
> http://list.coin-or.org/mailman/listinfo/ipopt
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