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@inproceedings{719602, author = {Bouajjani, Ahmed and Strejček, Jan and Touili, Tayssir}, address = {London}, booktitle = {Preliminary Proceedings - 13th International Workshow on Expressiveness in Concurrency - EXPRESS'06}, keywords = {rewrite systems; infinite-state systems; symbolic reachability analysis; model checking}, language = {eng}, location = {London}, pages = {29-41}, publisher = {Imperial College London}, title = {On Symbolic Verification of Weakly Extended PAD}, year = {2006} }
TY - JOUR ID - 719602 AU - Bouajjani, Ahmed - Strejček, Jan - Touili, Tayssir PY - 2006 TI - On Symbolic Verification of Weakly Extended PAD PB - Imperial College London CY - London KW - rewrite systems KW - infinite-state systems KW - symbolic reachability analysis KW - model checking N2 - We consider the verification problem of a class of infinite-state systems called wPAD. These systems can be used to model programs with (possibly recursive) procedure calls and dynamic creation of parallel processes. They correspond to PAD models extended with an acyclic finite-state control unit, where PAD models can be seen as combinations of prefix rewrite systems (pushdown systems) with context-free multiset rewrite systems (synchronization-free Petri nets). Recently, we have presented symbolic reachability techniques for the class of PAD based on the use of a class of unranked tree automata. In this paper, we generalize our previous work to the class wPAD which is strictly larger than PAD. This generalization brings a positive answer to an open question on decidability of the model checking problem for wPAD against EF logic. Moreover, we show how symbolic reachability analysis of wPAD can be used in (under) approximate analysis of Synchronized PAD. ER -
BOUAJJANI, Ahmed, Jan STREJČEK a Tayssir TOUILI. On Symbolic Verification of Weakly Extended PAD. In \textit{Preliminary Proceedings - 13th International Workshow on Expressiveness in Concurrency - EXPRESS'06}. London: Imperial College London, 2006, s.~29-41.
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