Using Gurobi 9.1.2, getting Kernel dead while running model

Answered

A V

June 13, 2022 06:37

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Hi,

I am currently using version 9.1.2 of Gurubipy. Using Jupyter notebook to run the code . For a VRP optimization problem, my kernel is always getting killed.

An instance :

 28698237 20140151 4770.95796   61   54 6027.00000 4417.42331  26.7%  72.2 30030s
 28703634 20144115 4577.08460   72   73 6027.00000 4417.45932  26.7%  72.2 30036s
 28709045 20147759     cutoff  133      6027.00000 4417.49035  26.7%  72.2 30042s
 28711529 20149364 5521.80772  107   56 6027.00000 4417.50576  26.7%  72.2 30045s
 28716533 20152246 4581.08934   74   66 6027.00000 4417.53417  26.7%  72.2 30050s
Killed

Kindly guide me through this.

1

• Official comment

  

  Simranjit Kaur

  • Gurobi Staff

  November 16, 2025 23:34

  This post is more than three years old. Some information may not be up to date. For current information, please check the Gurobi Documentation or Knowledge Base. If you need more help, please create a new post in the community forum, or try Gurobot, our chatbot interface offering instant, expert-level support.
• 

  Jaromił Najman

  • Gurobi Staff

  June 13, 2022 09:04

  Given the extremely large number of open nodes. I am pretty sure that you run into an out-of-memory condition. The article How do I avoid an out-of-memory condition? should be helpful.

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