GE Transportation Orders Turnkey Delivery of Interlocking Rail Control Software Developed With Prover iLock

Supply of Interlocking Rail Control Software Developed with Prover iLock for Stockholm Public Transport SL's Light Rail System Tvärbanan

STOCKHOLM, Sept. 12, 2012 /CNW/ - Prover Technology, a world leader in software technology for Automated Development of Rail Control Software, today announced that General Electric has placed an order for turnkey delivery of interlocking software developed with Prover iLock. The scope of the order includes the interlocking systems for the existing light rail system Tvarbanan as well as the new Solna branch, to be delivered by General Electric to Stockholm Public Transport SL.

Automated Development of Rail Control Software with Prover iLock

The interlocking software code for Tvarbanan will be developed and checked using the highly automated Prover iLock process. Based on design, test and safety requirements defined in the formal specification language PiSPEC, the Prover iLock tool suite generates the software code, test cases and safety requirements for each specific rail control system. The functional testing and formal safety verification is performed using the push-button tools Prover iLock Simulator and Prover iLock Verifier.

The use of formal verification for safety assessment is required by leading railway infrastructure managers, and highly recommended by standards such as CENELEC EN 50128. The reason: formal verification can establish that a rail control system is safe in all possible situations that can arise, as opposed to traditional and time-consuming methods based on test and review. The Prover iLock Process yields a very efficient and reliable development process, integrating generation of software code and documentation, functional testing and formal safety verification based on formal specifications.

About Prover Technology

Prover Technology pioneered the use of formal safety verification in rail control in the 1990s, and today offers complete software solutions for development of rail control systems.

Prover Technology is a privately held Swedish company headquartered in Stockholm, Sweden, with wholly owned subsidiaries in France and the USA. For more information and office locations, visit Prover Technology's web site at

Prover is a registered trademark, and Prover iLock is a trademark of Prover Technology AB.

Any other trademarks mentioned in this release are the intellectual property of their respective owners.

SOURCE: Prover Technology

For further information:

Arne Boralv, +46-8-6176800,

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