XIVT

XIVT – eXcellence In Variant Testing

XIVT

The main goal of the XIVT (pronounced “shift”) project is to develop methods and tools for the design of test suites and the selection of test cases for highly configurable, variant-rich embedded systems in the automotive, rail, industrial production and telecommunication domains. Due to increasing market diversification and customer demand, most industrial products today are available in many different variants. The increasing functionality of embedded systems makes validation and testing highly complex. For cyber-physical systems (CPS) which contain configurable or variant components, the design of adequate test suites is a major problem. In such a setting, not just one system, but many different, “similar” systems must be tested. In a product line with, say, just 10 different features which can be present or not, there are already more than 1000 different combinations to be tested. With the increasing modularity and interconnectivity of smart devices, the variability rises as well. Incremental development and reuse of components can easily result in a system with thousands of configuration parameters. Current test design and selection methods as well as test tools fail to deliver adequate test suites for such a setting. This significantly hinders deployment and evolution of respective products in the market, especially when it comes to systems with high quality demands. Configurable and variant-rich systems are heavily being used in all domains where the innovation is mainly realized by software. The market in the domains addressed by the proposed project is driven by a strong demand for enhanced functionality, including personalization and customization, increased interconnectivity and interoperability, higher modularity, faster design cycles, and higher demands on safety and security. The resulting high complexity of software integration and communication requires capabilities for variant intensive systems testing methodologies.

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