This paper focuses on the use of ISO Standard Z and CADiZ in the formal validation of Stateflow models against requirements-oriented assumptions. It documents some of what the Simulink/Stateflow Analyser tool does in support of the Practical Formal Specification method. The tool aims to automate the formal validations of the method, so that users of Simulink/Stateflow can benefit from them. The...

In this paper we describe a part of our work on the automatic generation of target code from Stateflow models. We focus on the flow diagrams from the Stateflow component of MATLAB and describe how flow diagram models can be compiled into target code for embedded systems. Moreover, the paper describes a method for analyzing flow diagrams, allowing an efficient code generation. The method describ...

Stateflow models are complex software models, often used as part of industrial safety-critical solutions designed with Matlab Simulink. Being solutions, these require the application rigorous verification techniques for assuring their correctness. In this paper, we propose a refutation-based formal approach analyzing against invariant properties, based on bounded model checking (BMC). The crux ...

Real-time mobility is important for many real-world applications, e.g., transportation, urban planning, given different level administrative jurisdiction. However, most of the existing work focuses at small scale with limited data samples (e.g. region or city level with samples over all the taxis). Recently, with upgrades of transportation infrastructures, we have new opportunities to capture r...

This report presents the approach experimented by a railway signaling manufacturer for the development of applications through Simulink/Stateflow in a standard–regulated industrial framework. The General Electric Transportation Systems (GETS) railway signaling division of Florence, inside a long-term effort of introducing formal methods to enforce product safety, decided to adopt the Simulink/S...

1 .O Introduction The HiVy toolset provides model checking for statecharts ([SFUG]). This is achieved by translating statechart specifications into the input language of the Spin model checker ([Ho197]). The HiVy toolbox transforms output of the commercial tool Stateflow@ provided by The Mathworks. HiVy can also be used independently from Stateflow. An abstract syntax of hierarchical sequential...