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The French Institute for Radiological Protection and Nuclear Safety (IRSN)

Creating Reliable Innovation with TrustInSoft


The French Institute for Radiological Protection and Nuclear Safety (IRSN) set up by law 2001-398 of 9 May 2001, under the statute of public authority of industrial and commercial nature (EPIC) is the national public expert in nuclear and radiological risks. 

IRSN contributes to public policy-making concerning nuclear safety and health and environmental protection against ionizing radiation.

 As a research and expert appraisal organization, IRSN works together with all the participants concerned by these policies while keeping an open mind.

French nuclear reactors rely heavily on software to perform critical safety tasks. 

Because of this, IRSN encourages the use of formal methods to prove the correctness of the software. 

This is crucial to ensure the proper performance of the required safety tasks. 

IRSN also actively participates in the improvement of tools and their associated analyses methodologies through activities carried out by both research labs and TrustInSoft.


To explore new approaches that prove different structural properties on critical safety C software, IRSN required an advanced and robust static analysis tool with a high level of reactive support. 


IRSN became an early adopter of the TrustInSoft Analyzer. They use a license on a dedicated computer to perform comprehensive formal verifications on its C software.

Key figures

years of license on 16+ projects
lines of code for one project
support and assistance
0 Unlimited

“TrustInSoft provides a highly advanced static analyzer along with a friendly GUI. Its efficient technical
support is a key point in the success of our software analyses. TrustInSoft helps us understand the
meaning of alarms raised, and provides customized solutions. These efforts are necessary to
understand the possibilities of the analyzer and the scope of the proven properties.”

Grégory de la Grange
Engineer in Safety for Digital Instrumentation & Control, IRSN

Learn more about TrustInSoft Analyzer

Learn more about the tool that  IRSN used to secure their code!

Static analysis tool-visual GUI of TrustInSoft Analyzer version 1.44

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