Prover Trident – Process and Tool Suite for Railway Interlocking Design 2017-09-22T14:18:44+00:00

Prover Trident

Complete process and tool suite for interlocking design automation

About Prover Trident

Prover Trident is a complete process and tool suite for interlocking design automation. With numerous applications around the world, Prover Trident is the result of more than 10 years of R&D. Unlike other point tools, Prover Trident covers the whole life-cycle for interlocking software, based on

  • PiSPEC IP: defining the signalling principles
  • Prover iLock: development of specific systems based on principles
  • Prover Certifier: sign-off verification of of specific systems

Based on signalling principles defined as formal requirements (PiSPEC IP), specific applications are configured, generated and checked using the Prover iLock tool suite. Safety evidence for the revenue service software is based on mathematical proof, generated with the independent sign-off verification tool Prover Certifier.

Benefits

The automated generation and checking of applications based on principles provides:

  • Reduced time-to-market
  • Systems with fewer errors
  • Reduced engineering effort
  • Consistent and interoperable system
  • Efficient management of change in requirements/principles

Read more about the different components of Prover Trident below.

PiSPEC

PiSPEC is a formal specification language for defining signalling principles for interlocking software, consisting of object model, design principles, test and safety principles. The principles for a specific system type is called PiSPEC IP.

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Prover iLock

Prover iLock is a tool suite for configuration, generation and checking of applications based on PiSPEC IP. Creating revenue service code and V&V results based on simulation and formal safety verification is accomplished using push-button tools.

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Prover Certifier

Prover Certifier is an independent tool for sign-off verification of revenue service code, producing CENELEC EN 50128 SIL-4 compliant evidence. Verifi­cation results from Prover Certifier can be used as the sole safety evidence, making manual safety tests and code reviews superfluous.

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Download our brochure about Prover Trident by filling out the form.

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