@InProceedings{leroux_et_al:LIPIcs.CONCUR.2020.37, author = {Leroux, J\'{e}r\^{o}me and Sutre, Gr\'{e}goire}, title = {{Reachability in Two-Dimensional Vector Addition Systems with States: One Test Is for Free}}, booktitle = {31st International Conference on Concurrency Theory (CONCUR 2020)}, pages = {37:1--37:17}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-160-3}, ISSN = {1868-8969}, year = {2020}, volume = {171}, editor = {Konnov, Igor and Kov\'{a}cs, Laura}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CONCUR.2020.37}, URN = {urn:nbn:de:0030-drops-128498}, doi = {10.4230/LIPIcs.CONCUR.2020.37}, annote = {Keywords: Counter machine, Vector addition system, Reachability problem, Formal verification, Infinite-state system} }