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Article | REF: TRP3309 V1

Formal Methods : Application to the Railway Domain

Author: Jean-Louis BOULANGER

Publication date: February 10, 2016

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7. Qualification

7.1 Requirements

In its 2001 version, the CENELEC EN 50128 standard introduced a requirement for compiler qualification, without really indicating what was expected.

The 2011 version of CENELEC EN 50128 formally introduces the need to qualify tools (see § 6.7 of the standard). As with IEC 61508 and ISO 26262, three tool classes, T 1 , T 2 , T 3 , have been introduced:

  • the T 1 class is dedicated to tools that have no impact on verification and no impact on the final executable;

  • the T ...

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