[Fwd: Is this a bug?]

[Andrew Makhorin]

-------- Forwarded Message --------
From: Hang  Yu <yu.hang@inf.ethz.ch>
To: bug-glpk@gnu.org <bug-glpk@gnu.org>
Subject: Is this a bug?
Date: Thu, 18 Mar 2021 19:51:00 +0000

> Dear Sir/Madam,
> I got an assertion failure.
> Could you check if it is a bug? Or I called some functions in a wrong
> way?
> The example code is attached, and the log is as follows:
> 
> GLPK Simplex Optimizer 5.0
> 1 row, 4 columns, 2 non-zeros
>       0: obj =   0.000000000e+00 inf =   1.000e+00 (1)
>       1: obj =   0.000000000e+00 inf =   0.000e+00 (0)
> OPTIMAL LP SOLUTION FOUND
> GLPK Simplex Optimizer 5.0
> 1 row, 4 columns, 2 non-zeros
> Assertion failed: k1 < k2
> Error detected in file bflib/sgf.c at line 185
> Aborted (core dumped)
> 
> Thank you in advance.
> 
> 
> --
> Best regards,
> Hang Yu

glpk_bug.zip
Description: glpk_bug.zip