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Re: [Help-glpk] Calling the same LP repeatedly - segmentation fault

From: Krishna
Subject: Re: [Help-glpk] Calling the same LP repeatedly - segmentation fault
Date: Sat, 7 May 2016 03:54:45 +0000 (UTC)
User-agent: Loom/3.14 (

Heinrich Schuchardt <xypron.glpk <at>> writes:

> Hello Krishna,
> if you want to analyze the problem under Linux a good tool is 
> If you want somebody on the list to find out what is going wrong,
> please, supply a complete reproducable example together with the
> following information:
> operating system used including bitness (32bit or 64bit)
> GLPK version used
> compiler version used.
> The code snippet you supplied yesterday is insufficient to understand
> the problem you are facing.
> Best regards
> Heinrich Schuchardt

Hello Heinrich,
Thank you for your response! I have replied to you and also sent the 
reply to address@hidden but I do not see the message posted and I am 
not sure if you have received it either so here it is again:

I have used GDB to analyze the issue, but I will also try to use 
valgrind. Meanwhile, if anyone can try to reproduce the issue, attached 
are all the files you will need and here are the other details:
OS: Red Hat Linux 4.8.5-4, 64-bit
GLPK version: 4.55
compiler version: GCC 4.8.5 20150623
I have all the attached files in examples directory in GLPK and I used 
these commands: 
gcc -c May5.c
gcc -o go May5.c new_ssp.c -lglpk -lm
This should be able to reproduce the problem I am seeing. Thank you very 
much! Any help/direction is greatly appreciated. I need to understand 
what I am doing wrong to move forward with my simulations.
Thank you,

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