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**A new algorithm for partitioned symbolic reachability analysis.**
*(English)*
Zbl 1337.68167

Halava, Vesa (ed.) et al., Proceedings of the 2nd workshop on reachability problems in computational models (RP 2008), Liverpool, UK, September 15–17, 2008. Amsterdam: Elsevier. Electronic Notes in Theoretical Computer Science 223, 137-151 (2008).

Summary: Binary Decision Diagrams (BDDs) and their multi-terminal extensions have shown to be very helpful for the quantitative verification of systems. Many different approaches have been proposed for deriving symbolic state graph (SG) representations from high-level model descriptions, where compositionality has shown to be crucial for the efficiency of the schemes. Since the symbolic composition schemes deliver the potential SG of a high-level model, one must execute a reachability analysis on the level of the symbolic structures. This step is the main resource of CPU-time and peak memory consumption when it comes to symbolic SG generation. In this work a new operator for zero-suppressed BDDs and their multi-terminal extensions for carrying out (partitioned) symbolic reachability analysis is presented. This algorithm not only replaces standard BDD-based schemes, it even makes symbolic composition as found in contemporary symbolic model checkers such as Prism and Caspa obsolete.

For the entire collection see [Zbl 1279.68014].

For the entire collection see [Zbl 1279.68014].

### MSC:

68Q60 | Specification and verification (program logics, model checking, etc.) |

68P05 | Data structures |

68R10 | Graph theory (including graph drawing) in computer science |

68W30 | Symbolic computation and algebraic computation |

### Keywords:

binary decision diagrams; symbolic reachability analysis; quantitative verification of systems
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\textit{K. Lampka}, Electron. Notes Theor. Comput. Sci. 223, 137--151 (2008; Zbl 1337.68167)

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### References:

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