[SCIP] References who use scip

[Stefan Vigerske]

Hi,


On 24/04/2025 16:17, Bjørn Gunnar Hansen wrote:
> Hi!
> 
> I have read about scip and think it is a very good tool. As I have understood it, scip also interacts when one uses the software AMPL. My question is how this interaction takes place, 

Usually, AMPL compiles the model and instantiates it with the provided 
data. This model instance is then written out into a file using a format 
invented by AMPL. Then an executable is called which reads this file, 
builds the problem in SCIP, asks SCIP to solve it, and writes out the 
result (e.g., a solution) into a solution file. AMPL then reads the 
solution file and proceeds.

> is it bundled with AMPl when one buys and downloads AMPL, or is it used via a cloud- solution?

The executable that reads the problem file and solves it can be the SCIP 
executable, which you can build from SCIP source or download a binary 
from scipopt.org.
But I think AMPL also wrote another link for SCIP. I guess that the SCIP 
for AMPL download they provide uses their driver 
(https://ampl.com/products/solvers/open-source-solvers/).

> I ask because our IT- department is concerned with possible safety- concerns in open source programs, and if I can convince them that AMPL also uses Scip they might become less septical. In particular so if it is already part of the AMPL- package. The same holds if you have references to well-known commercial firms that use scip and possible persons I could contact there to hear about their experiences. I need some refererences to document for the IT- department that scip is a safe software, which I myself think it is.

SCIP is used and redistributed by various other software products.

I suppose if you mention AMPL, I can point to GAMS, which includes their 
build of SCIP in their distribution 
(https://www.gams.com/latest/docs/S_MAIN.html). The contact person for 
GAMS would be me.

For something more "well-known", I suppose the inclusion of SCIP in 
Google's OR-tools is a suitable reference: 
https://developers.google.com/optimization/mip/mip_example#declare_the_mip_solver
As far as I remember, there is also some cloud option where SCIP runs on 
a Google server.

Best,
Stefan

> Thanks in advance!
> 
> 
> Best regards
> 
> 
> 
> Bjørn Gunnar Hansen
> 
> Researcher
> 
> +47 971 89085
> 
> 
> 
> Norsk melkeråvare
> 
> TINE SA
> 
> Norway
> 
> 
> 
> 
> **** Bemerk: Denne e-post kan inneholde fortrolig informasjon. Hvis du har mottatt forsendelsen feilaktig, vennligst gi avsender beskjed og tilintetgjør forsendelsen inkl. alle evt. vedlegg uten å lese, kopiere, lagre eller offentliggjøre innholdet. Vennligst merk at TINE SA og avsender fraskriver seg ethvert ansvar for virus, og andre evt. feil ved e-posten, samt for skade eller tap som meldingen måtte medføre.
> 
> *** NOTICE: This e-mail may contain privileged or other confidential information. If you have received it by an error, please notify the sender and immediately delete the message and any attachments without reading, copying, saving or disclosing the contents. Please note that neither TINE SA nor the sender accepts any responsibility for any viruses, errors and losses incurred by this e-mail.
> 
> 
> _______________________________________________
> Scip mailing list
> Scip at zib.de
> https://listserv.zib.de/mailman/listinfo/scip