Author: Majzik, I.
Paper Title Page
THPHA159 What is Special About PLC Software Model Checking? 1781
  • D. Darvas, I. Majzik
    BUTE, Budapest, Hungary
  • E. Blanco Viñuela
    CERN, Geneva, Switzerland
  Model checking is a formal verification technique to check given properties of models, designs or programs with mathematical precision. Due to its high knowledge and resource demand, the use of model checking is restricted mainly to core parts of highly critical systems. However, we and many other authors have argued that automated model checking of PLC programs is feasible and beneficial in practice. In this paper we aim to explain why model checking is applicable to PLC programs even though its use for software in general is too difficult. We present an overview of the particularities of PLC programs which influence the feasibility and complexity of their model checking. Furthermore, we list the main challenges in this domain and the solutions proposed in previous works.  
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