The VLPN Benchmark Suite


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Very Large Petri Nets

1. What is the VLPN benchmark suite?

VLPN ("Very Large Petri Nets") is a collection of 350 Petri nets (called models) to be used as benchmarks in scientific experiments. These models have the following characteristics:

These models are realistic in the sense they have not been produced randomly, but generated from high-level specifications of meaningful systems.

These models are complex as they have been carefully selected in a collection of 10,000 Petri nets by retaining only the largest ones.

These models are structured as they are given in the form of Nested-Unit Petri nets (NUPNs) [Gar15], which bring hierarchical structure to Petri nets.

Notice that NUPNs being an upward-compatible generalization of Petri nets, any NUPN can be considered as an elementary Petri net by simply ignoring information about hierarchical structure and sequential components. Thus, the VLPN models can be processed by standard Petri net tools, albeit with lower performance.

2. How to download the VLPN benchmark suite?

The VLPN models are provided under two different forms:

They are provided as ".nupn" files in the NUPN format. See the CAESAR.BDD manual page for a description of the NUPN format.

They are provided as ".pnml" files in the PNML format with a NUPN-toolspecific extension. See this Model Checking Contest page for a description of the NUPN-toolspecific extension.

The VLPN benchmark suite itself is provided under two different forms:

Each model can be downloaded individually, either in NUPN or PNML format, as a file compressed using bzip2.

The entire suite can also be downloaded as a whole, either in NUPN or PNML format, as a bzip2-compressed tar-file containing models themselves compressed using bzip2.

3. Contents of the VLPN benchmark suite

The columns of the table below have the following meaning:

Column 1: Model name, of the form "vlpn_xxx", where xxx is a number between 001 and 350. Please use the same naming convention when mentioning VLPN in scientific publications.
Column 2: Number of units.
Column 3: Number of places.
Column 4: Number of transitions.
Column 5: HWB code (see below).
Column 6: Number of reachable markings, if known.
Column 7: Origin of the model (see below).
Column 8: Hyperlinks to the bzip2-compressed NUPN and PNML files.

The VLPN models are organized into eight different groups. Each group is lexicographically sorted by increasing values of columns 2 and 3, and gathers models with common characteristics:

Group 1: nets containing redundant units — all models but those of group 1 are expected not to contain redundant units.
Group 2: nets containing disconnected places or transitions — all models but those of group 2 are expected to be connected.
Group 3: unsafe nets — all models but those of group 3 are expected to be unit safe (and, thus, one safe).
Group 4: nets having one single unit — refer to the VLTS benchmark suite for a more comprehensive collection of similar models.
Group 5: trivial nets (i.e., whose width is equal to the number of places) — all models of the next groups 6, 7, and 8 are non-trivial.
Group 6: nets being communicating automata.
Group 7: nets being pseudo-communicating automata (with a root unit containing the initial place).
Group 8: nets combining concurrency and hierarchy (i.e., with a "genuine" NUPN structure).

The HWB code is an integer triple noted H–W–B, where:

H is the height of the tree of nested units (the root unit does not count if it has no local place).
W is the width of the tree of nested units, i.e., the number of leaf units — if the NUPN is unit safe, W gives an upper bound on the number of tokens present in reachable markings.
B is the number of bits needed to represent markings using the best encoding described in [Gar15].

When B is equal to the number of places (i.e., if the model is a trivial NUPN), the HWB code is shortened to "– –B" since H is equal to 1 and W is equal to B. The HWB code gives a measure of the complexity of a NUPN, but also a direct characterization of its structure:

Models of the VLPN group 4 have codes of the form "1–1–B".
Models of the VLPN group 5 have codes of the form "– –B".
Models of the VLPN group 6 have codes of the form "1–W–B" with W≥2.
Models of the VLPN group 7 have codes of the form "2–W–B".
Models of the VLPN group 8 have codes of the form "H–W–B" with H≥3.

The origin of each VLPN model is indicated by a three-letter code:

LOT: the NUPN was generated from a LOTOS specification using the CAESAR compiler.
LNT: the NUPN was generated from an LNT specification translated to LOTOS using the LNT2LOTOS translator.
EXP: the NUPN was generated from a network of communicating automata using the EXP.OPEN tool.
CHP: the NUPN was generated from a CHP specification translated to LOTOS using the CHP2LOTOS translator.
FCR: the NUPN was generated from a FIACRE specification translated to LOTOS using the FLAC translator.
PIC: the NUPN was generated from an applied pi-calculus specification translated to LNT using the PIC2LNT translator.
MCC: the NUPN was generated from a model of the Model Checking Contest using (various versions of) the PNML2NUPN translator — although it is likely that this model originally had some NUPN-like structure, this information has been lost at a later stage when storing the model in PNML.

VLPN group 1: nets containing redundant units
vlpn_001	52 units	330 places	512 transitions	3–49–162	≥ 6.75209e+10 states	LOT	NUPN PNML
vlpn_002	55 units	152 places	3213 transitions	8–28–91	1.52668e+14 states	LOT	NUPN PNML
vlpn_003	69 units	176 places	134 transitions	16–35–91	1.13293e+13 states	LOT	NUPN PNML
vlpn_004	72 units	218 places	215 transitions	5–62–143	≥ 9.14574e+09 states	LOT	NUPN PNML
vlpn_005	81 units	199 places	219 transitions	19–51–120	2.46905e+12 states	LOT	NUPN PNML
VLPN group 2: nets containing disconnected places or transitions
vlpn_006	25 units	572 places	588 transitions	6–13–74	2.36483e+12 states	LOT	NUPN PNML
vlpn_007	35 units	223 places	1088 transitions	18–18–75	3.29769e+13 states	LOT	NUPN PNML
vlpn_008	37 units	644 places	660 transitions	7–19–104	3.85119e+14 states	LOT	NUPN PNML
vlpn_009	200 units	199 places	699 transitions	– –199	1.1418e+46 states	MCC	NUPN PNML
vlpn_010	486 units	486 places	776 transitions	2–485–486	9.79474e+21 states	MCC	NUPN PNML
VLPN group 3: unsafe nets
vlpn_011	76 units	75 places	56105 transitions	– –75	unknown state space	MCC	NUPN PNML
vlpn_012	103 units	102 places	136662 transitions	– –102	unknown state space	MCC	NUPN PNML
vlpn_013	1409 units	1408 places	2400 transitions	– –1408	unknown state space	MCC	NUPN PNML
vlpn_014	2458 units	2457 places	5400 transitions	– –2457	unknown state space	MCC	NUPN PNML
vlpn_015	9154 units	9153 places	25110 transitions	– –9153	unknown state space	MCC	NUPN PNML
VLPN group 4: nets having one single unit
vlpn_016	1 unit	2816 places	11520 transitions	1–1–12	2816 states	LOT	NUPN PNML
vlpn_017	1 unit	5121 places	8961 transitions	1–1–13	5121 states	LOT	NUPN PNML
vlpn_018	1 unit	6144 places	25600 transitions	1–1–13	6144 states	LOT	NUPN PNML
vlpn_019	1 unit	11521 places	20225 transitions	1–1–14	11521 states	LOT	NUPN PNML
vlpn_020	1 unit	25601 places	45057 transitions	1–1–15	25601 states	LOT	NUPN PNML
VLPN group 5: trivial nets (i.e., having one more unit than the number of places)
vlpn_021	118 units	117 places	176 transitions	– –117	≥ 4.53408e+07 states	MCC	NUPN PNML
vlpn_022	121 units	120 places	111160 transitions	– –120	unknown state space	MCC	NUPN PNML
vlpn_023	140 units	139 places	87 transitions	– –139	≥ 4.07308e+07 states	MCC	NUPN PNML
vlpn_024	150 units	149 places	1280 transitions	– –149	≥ 1.5251e+11 states	MCC	NUPN PNML
vlpn_025	175 units	174 places	318 transitions	– –174	≥ 863546 states	MCC	NUPN PNML
vlpn_026	195 units	194 places	2205 transitions	– –194	unknown state space	MCC	NUPN PNML
vlpn_027	207 units	206 places	325 transitions	– –206	≥ 3.69099e+08 states	MCC	NUPN PNML
vlpn_028	218 units	217 places	420 transitions	– –217	≥ 3.00249e+08 states	MCC	NUPN PNML
vlpn_029	251 units	250 places	2600 transitions	– –250	unknown state space	MCC	NUPN PNML
vlpn_030	257 units	256 places	3616 transitions	– –256	≥ 32976 states	MCC	NUPN PNML
vlpn_031	265 units	264 places	536 transitions	– –264	unknown state space	MCC	NUPN PNML
vlpn_032	266 units	265 places	206 transitions	– –265	≥ 50 states	MCC	NUPN PNML
vlpn_033	301 units	300 places	200 transitions	– –300	≥ 2.65036e+20 states	MCC	NUPN PNML
vlpn_034	316 units	315 places	666 transitions	– –315	unknown state space	MCC	NUPN PNML
vlpn_035	401 units	400 places	202 transitions	– –400	≥ 2.85387e+23 states	MCC	NUPN PNML
vlpn_036	442 units	441 places	8421 transitions	– –441	unknown state space	MCC	NUPN PNML
vlpn_037	481 units	480 places	690 transitions	– –480	≥ 3.07091e+06 states	MCC	NUPN PNML
vlpn_038	486 units	485 places	776 transitions	– –485	≥ 1.73005e+17 states	MCC	NUPN PNML
vlpn_039	499 units	498 places	833 transitions	– –498	≥ 3.37033e+16 states	MCC	NUPN PNML
vlpn_040	501 units	500 places	10200 transitions	– –500	unknown state space	MCC	NUPN PNML
vlpn_041	551 units	550 places	176 transitions	– –550	≥ 126780 states	MCC	NUPN PNML
vlpn_042	601 units	600 places	400 transitions	– –600	unknown state space	MCC	NUPN PNML
vlpn_043	736 units	735 places	570 transitions	– –735	unknown state space	MCC	NUPN PNML
vlpn_044	835 units	834 places	1242 transitions	– –834	≥ 1.97474e+06 states	MCC	NUPN PNML
vlpn_045	962 units	961 places	27931 transitions	– –961	unknown state space	MCC	NUPN PNML
vlpn_046	1001 units	1000 places	40400 transitions	– –1000	unknown state space	MCC	NUPN PNML
vlpn_047	1020 units	1019 places	850 transitions	– –1019	unknown state space	MCC	NUPN PNML
vlpn_048	1120 units	1119 places	874 transitions	– –1119	unknown state space	MCC	NUPN PNML
vlpn_049	1312 units	1311 places	2300 transitions	– –1311	unknown state space	MCC	NUPN PNML
vlpn_050	1331 units	1330 places	2030 transitions	– –1330	unknown state space	MCC	NUPN PNML
vlpn_051	1399 units	1398 places	296 transitions	– –1398	unknown state space	MCC	NUPN PNML
vlpn_052	1446 units	1445 places	1190 transitions	– –1445	unknown state space	MCC	NUPN PNML
vlpn_053	1521 units	1520 places	1020 transitions	– –1520	unknown state space	MCC	NUPN PNML
vlpn_054	1601 units	1600 places	12324 transitions	– –1600	unknown state space	MCC	NUPN PNML
vlpn_055	1682 units	1681 places	65641 transitions	– –1681	unknown state space	MCC	NUPN PNML
vlpn_056	1967 units	1966 places	356 transitions	– –1966	unknown state space	MCC	NUPN PNML
vlpn_057	1993 units	1992 places	3096 transitions	– –1992	unknown state space	MCC	NUPN PNML
vlpn_058	2031 units	2030 places	2020 transitions	– –2030	unknown state space	MCC	NUPN PNML
vlpn_059	2128 units	2127 places	1674 transitions	– –2127	unknown state space	MCC	NUPN PNML
vlpn_060	2501 units	2500 places	19404 transitions	– –2500	unknown state space	MCC	NUPN PNML
vlpn_061	2602 units	2601 places	127551 transitions	– –2601	unknown state space	MCC	NUPN PNML
vlpn_062	2652 units	2651 places	5050 transitions	– –2651	unknown state space	MCC	NUPN PNML
vlpn_063	2999 units	2998 places	446 transitions	– –2998	unknown state space	MCC	NUPN PNML
vlpn_064	3021 units	3020 places	2020 transitions	– –3020	unknown state space	MCC	NUPN PNML
vlpn_065	3456 units	3455 places	2730 transitions	– –3455	unknown state space	MCC	NUPN PNML
vlpn_066	3718 units	3717 places	3222 transitions	– –3717	unknown state space	MCC	NUPN PNML
vlpn_067	3807 units	3806 places	506 transitions	– –3806	unknown state space	MCC	NUPN PNML
vlpn_068	4031 units	4030 places	4020 transitions	– –4030	unknown state space	MCC	NUPN PNML
vlpn_069	4210 units	4209 places	3518 transitions	– –4209	unknown state space	MCC	NUPN PNML
vlpn_070	5001 units	5000 places	5000 transitions	– –5000	unknown state space	MCC	NUPN PNML
vlpn_071	5557 units	5556 places	140151 transitions	– –5556	unknown state space	MCC	NUPN PNML
vlpn_072	6021 units	6020 places	4020 transitions	– –6020	unknown state space	MCC	NUPN PNML
vlpn_073	10001 units	10000 places	10000 transitions	– –10000	unknown state space	MCC	NUPN PNML
vlpn_074	10302 units	10301 places	20100 transitions	– –10301	unknown state space	MCC	NUPN PNML
vlpn_075	13687 units	13686 places	550641 transitions	– –13686	unknown state space	MCC	NUPN PNML
vlpn_076	25001 units	25000 places	25000 transitions	– –25000	unknown state space	MCC	NUPN PNML
vlpn_077	40602 units	40601 places	80200 transitions	– –40601	unknown state space	MCC	NUPN PNML
vlpn_078	50001 units	50000 places	50000 transitions	– –50000	unknown state space	MCC	NUPN PNML
VLPN group 6: nets being communicating automata
vlpn_079	3 units	2432 places	193936 transitions	1–2–21	786432 states	EXP	NUPN PNML
vlpn_080	3 units	7636 places	13566727 transitions	1–2–25	unknown state space	EXP	NUPN PNML
vlpn_081	3 units	12413 places	56777 transitions	1–2–25	1.452e+06 states	EXP	NUPN PNML
vlpn_082	3 units	13664 places	16967720 transitions	1–2–26	unknown state space	EXP	NUPN PNML
vlpn_083	5 units	1157 places	377368 transitions	1–4–33	1.22235e+06 states	EXP	NUPN PNML
vlpn_084	6 units	4944 places	836184 transitions	1–5–44	unknown state space	EXP	NUPN PNML
vlpn_085	6 units	4962 places	2145594 transitions	1–5–42	unknown state space	EXP	NUPN PNML
vlpn_086	7 units	107 places	535 transitions	1–6–29	1.1227e+07 states	EXP	NUPN PNML
vlpn_087	7 units	4180 places	147564 transitions	1–6–37	≥ 18073 states	EXP	NUPN PNML
vlpn_088	7 units	5743 places	5798088 transitions	1–6–61	unknown state space	EXP	NUPN PNML
vlpn_089	7 units	8304 places	409612 transitions	1–6–46	560353 states	EXP	NUPN PNML
vlpn_090	7 units	33896 places	11141920 transitions	1–6–56	unknown state space	EXP	NUPN PNML
vlpn_091	7 units	73773 places	761865 transitions	1–6–55	unknown state space	EXP	NUPN PNML
vlpn_092	7 units	131140 places	3670028 transitions	1–6–54	unknown state space	EXP	NUPN PNML
vlpn_093	8 units	215 places	6354553 transitions	1–7–38	138144 states	EXP	NUPN PNML
vlpn_094	8 units	8288 places	196716 transitions	1–7–50	≥ 30657 states	EXP	NUPN PNML
vlpn_095	8 units	65626 places	2457615 transitions	1–7–57	unknown state space	EXP	NUPN PNML
vlpn_096	8 units	131216 places	4194444 transitions	1–7–63	unknown state space	EXP	NUPN PNML
vlpn_097	9 units	2888 places	149066 transitions	1–8–45	≥ 399462 states	EXP	NUPN PNML
vlpn_098	9 units	2924 places	131116 transitions	1–8–45	≥ 461826 states	EXP	NUPN PNML
vlpn_099	9 units	3368 places	215066 transitions	1–8–45	≥ 69577 states	EXP	NUPN PNML
vlpn_100	9 units	3404 places	189196 transitions	1–8–45	≥ 285274 states	EXP	NUPN PNML
vlpn_101	9 units	27447 places	2018245 transitions	1–8–53	unknown state space	EXP	NUPN PNML
vlpn_102	11 units	140 places	270 transitions	1–10–43	4.18867e+07 states	EXP	NUPN PNML
vlpn_103	16 units	1167 places	23296 transitions	1–15–62	6.22611e+06 states	EXP	NUPN PNML
vlpn_104	16 units	1216 places	170663 transitions	1–15–66	1.05844e+07 states	EXP	NUPN PNML
vlpn_105	16 units	2240 places	291513 transitions	1–15–66	1.17995e+06 states	EXP	NUPN PNML
VLPN group 7: nets being pseudo-communicating automata (with a root unit containing the initial place)
vlpn_106	6 units	116 places	3900 transitions	2–5–26	5.59263e+06 states	LNT	NUPN PNML
vlpn_107	7 units	130 places	413 transitions	2–6–28	1.27121e+07 states	LOT	NUPN PNML
vlpn_108	8 units	108 places	512 transitions	2–7–28	2.81183e+06 states	LNT	NUPN PNML
vlpn_109	9 units	82 places	129 transitions	2–8–33	9.00532e+06 states	LOT	NUPN PNML
vlpn_110	9 units	216 places	977 transitions	2–8–37	≥ 3.76759e+09 states	LNT	NUPN PNML
vlpn_111	9 units	265 places	423 transitions	2–8–43	1.24613e+06 states	LOT	NUPN PNML
vlpn_112	9 units	289 places	467 transitions	2–8–43	1.70533e+06 states	LOT	NUPN PNML
vlpn_113	10 units	83 places	85 transitions	2–9–29	1.48286e+06 states	LOT	NUPN PNML
vlpn_114	10 units	114 places	373 transitions	2–9–31	1.509e+06 states	LOT	NUPN PNML
vlpn_115	10 units	127 places	397 transitions	2–9–32	1.46954e+07 states	LOT	NUPN PNML
vlpn_116	10 units	131 places	409 transitions	2–9–32	1.26692e+07 states	LOT	NUPN PNML
vlpn_117	11 units	46 places	66 transitions	2–10–26	1.8568e+06 states	LOT	NUPN PNML
vlpn_118	11 units	56 places	152 transitions	2–10–30	2.53151e+06 states	LOT	NUPN PNML
vlpn_119	11 units	90 places	180 transitions	2–10–30	3.62634e+06 states	LOT	NUPN PNML
vlpn_120	11 units	141 places	1012 transitions	2–10–42	4.80697e+07 states	LOT	NUPN PNML
vlpn_121	11 units	189 places	465 transitions	2–10–45	≥ 2.62198e+08 states	LOT	NUPN PNML
vlpn_122	11 units	220 places	421 transitions	2–10–46	1.09564e+06 states	LOT	NUPN PNML
vlpn_123	11 units	255 places	373 transitions	2–10–47	1.49299e+06 states	LOT	NUPN PNML
vlpn_124	11 units	356 places	975138 transitions	2–10–44	2.45954e+10 states	LNT	NUPN PNML
vlpn_125	12 units	49 places	210 transitions	2–11–34	6.42304e+06 states	LOT	NUPN PNML
vlpn_126	12 units	53 places	98 transitions	2–11–33	3.38196e+07 states	LNT	NUPN PNML
vlpn_127	13 units	70 places	230 transitions	2–12–36	7.96885e+07 states	LOT	NUPN PNML
vlpn_128	13 units	87 places	33676 transitions	2–12–37	3.20568e+08 states	LNT	NUPN PNML
vlpn_129	13 units	194 places	10136 transitions	2–12–35	5.67494e+06 states	LNT	NUPN PNML
vlpn_130	14 units	59 places	300 transitions	2–13–40	1.23734e+08 states	LOT	NUPN PNML
vlpn_131	14 units	205 places	610 transitions	2–13–41	≥ 1.03946e+08 states	LOT	NUPN PNML
vlpn_132	15 units	84 places	324 transitions	2–14–42	2.40235e+09 states	LOT	NUPN PNML
vlpn_133	16 units	69 places	406 transitions	2–15–46	2.31526e+09 states	LOT	NUPN PNML
vlpn_134	16 units	75 places	633 transitions	2–15–44	1.25798e+10 states	LOT	NUPN PNML
vlpn_135	16 units	146 places	291 transitions	2–15–57	1.39225e+08 states	LOT	NUPN PNML
vlpn_136	17 units	98 places	434 transitions	2–16–48	7.03125e+10 states	LOT	NUPN PNML
vlpn_137	18 units	79 places	528 transitions	2–17–53	4.24128e+10 states	LOT	NUPN PNML
vlpn_138	18 units	82 places	119 transitions	2–17–45	4.03714e+08 states	LNT	NUPN PNML
vlpn_139	18 units	102 places	100 transitions	2–17–50	8.58313e+07 states	LOT	NUPN PNML
vlpn_140	19 units	55 places	74 transitions	2–18–37	3.33853e+07 states	LOT	NUPN PNML
vlpn_141	19 units	88 places	160 transitions	2–18–54	2.96586e+12 states	LNT	NUPN PNML
vlpn_142	20 units	48 places	62 transitions	2–19–36	1.93064e+08 states	LOT	NUPN PNML
vlpn_143	20 units	93 places	390 transitions	2–19–51	4.37229e+06 states	LOT	NUPN PNML
vlpn_144	21 units	22 places	41 transitions	2–20–22	1.04858e+06 states	LNT	NUPN PNML
vlpn_145	21 units	77 places	58 transitions	2–20–47	1.22219e+08 states	LOT	NUPN PNML
vlpn_146	21 units	93 places	92 transitions	2–20–61	2.41172e+07 states	LOT	NUPN PNML
vlpn_147	21 units	122 places	111 transitions	2–20–64	3.78173e+06 states	LOT	NUPN PNML
vlpn_148	22 units	130 places	128 transitions	2–21–63	6.96937e+09 states	LOT	NUPN PNML
vlpn_149	23 units	24 places	23 transitions	2–22–24	4.1943e+06 states	PIC	NUPN PNML
vlpn_150	27 units	101 places	76 transitions	2–26–61	3.67734e+10 states	LOT	NUPN PNML
vlpn_151	27 units	158 places	125 transitions	2–26–74	2.18155e+11 states	LOT	NUPN PNML
vlpn_152	27 units	171 places	140 transitions	2–26–76	≥ 4.11565e+10 states	LOT	NUPN PNML
vlpn_153	27 units	261 places	338 transitions	2–26–72	9.3142e+08 states	LOT	NUPN PNML
vlpn_154	28 units	133 places	238 transitions	2–27–81	5.93795e+18 states	LNT	NUPN PNML
vlpn_155	28 units	177 places	145 transitions	2–27–77	≥ 3.99409e+10 states	LOT	NUPN PNML
vlpn_156	28 units	222 places	472 transitions	2–27–81	5.2596e+19 states	LNT	NUPN PNML
vlpn_157	33 units	71 places	33 transitions	2–32–58	2.5e+06 states	LOT	NUPN PNML
vlpn_158	33 units	125 places	94 transitions	2–32–75	1.10644e+13 states	LOT	NUPN PNML
vlpn_159	33 units	137 places	201 transitions	2–32–87	4.5676e+09 states	LNT	NUPN PNML
vlpn_160	33 units	861 places	5713 transitions	2–32–145	≥ 6.88447e+20 states	LNT	NUPN PNML
vlpn_161	37 units	346 places	547 transitions	2–36–66	2.3328e+06 states	LOT	NUPN PNML
vlpn_162	39 units	149 places	112 transitions	2–38–89	3.32906e+15 states	LOT	NUPN PNML
vlpn_163	39 units	188 places	332 transitions	2–38–114	2.90944e+26 states	LNT	NUPN PNML
vlpn_164	45 units	173 places	130 transitions	2–44–103	1.00165e+18 states	LOT	NUPN PNML
vlpn_165	45 units	216 places	158 transitions	2–44–131	1.17964e+06 states	LOT	NUPN PNML
vlpn_166	45 units	230 places	172 transitions	2–44–131	1.22879e+06 states	LOT	NUPN PNML
vlpn_167	46 units	142 places	137 transitions	2–45–96	≥ 3.22421e+09 states	LOT	NUPN PNML
vlpn_168	48 units	231 places	169 transitions	2–47–140	2.49036e+06 states	LOT	NUPN PNML
vlpn_169	48 units	246 places	184 transitions	2–47–140	2.58866e+06 states	LOT	NUPN PNML
vlpn_170	51 units	197 places	148 transitions	2–50–117	3.01376e+20 states	LOT	NUPN PNML
vlpn_171	51 units	246 places	180 transitions	2–50–149	5.24287e+06 states	LOT	NUPN PNML
vlpn_172	51 units	262 places	196 transitions	2–50–149	5.43947e+06 states	LOT	NUPN PNML
vlpn_173	52 units	253 places	442 transitions	2–51–153	3.55265e+35 states	LNT	NUPN PNML
vlpn_174	54 units	261 places	191 transitions	2–53–158	1.101e+07 states	LOT	NUPN PNML
vlpn_175	54 units	278 places	208 transitions	2–53–158	1.14032e+07 states	LOT	NUPN PNML
vlpn_176	57 units	221 places	166 transitions	2–56–131	9.06783e+22 states	LOT	NUPN PNML
vlpn_177	57 units	276 places	202 transitions	2–56–167	2.30687e+07 states	LOT	NUPN PNML
vlpn_178	57 units	294 places	220 transitions	2–56–167	2.38551e+07 states	LOT	NUPN PNML
vlpn_179	59 units	119 places	67 transitions	2–58–115	8.29901e+06 states	LOT	NUPN PNML
vlpn_180	60 units	291 places	213 transitions	2–59–176	4.82345e+07 states	LOT	NUPN PNML
vlpn_181	60 units	310 places	232 transitions	2–59–176	4.98073e+07 states	LOT	NUPN PNML
vlpn_182	63 units	306 places	224 transitions	2–62–185	1.00663e+08 states	LOT	NUPN PNML
vlpn_183	63 units	326 places	244 transitions	2–62–185	1.03809e+08 states	LOT	NUPN PNML
vlpn_184	66 units	66 places	23 transitions	2–65–66	4.1943e+06 states	LOT	NUPN PNML
vlpn_185	66 units	321 places	235 transitions	2–65–194	2.09715e+08 states	LOT	NUPN PNML
vlpn_186	66 units	342 places	256 transitions	2–65–194	2.16007e+08 states	LOT	NUPN PNML
vlpn_187	67 units	328 places	568 transitions	2–66–198	≥ 6.19386e+41 states	LNT	NUPN PNML
vlpn_188	71 units	832 places	2088 transitions	2–70–241	≥ 3.22034e+28 states	LOT	NUPN PNML
vlpn_189	73 units	305 places	433 transitions	2–72–193	≥ 4.48357e+21 states	LNT	NUPN PNML
vlpn_190	84 units	413 places	710 transitions	2–83–249	≥ 4.83981e+52 states	LNT	NUPN PNML
vlpn_191	103 units	508 places	868 transitions	2–102–306	≥ 1.84049e+66 states	LNT	NUPN PNML
vlpn_192	121 units	529 places	785 transitions	2–120–321	≥ 5.34406e+28 states	LNT	NUPN PNML
vlpn_193	177 units	737 places	993 transitions	2–176–449	≥ 5.71544e+44 states	LNT	NUPN PNML
vlpn_194	273 units	1185 places	1697 transitions	2–272–713	unknown state space	LNT	NUPN PNML
VLPN group 8: nets combining concurrency and hierarchy (i.e., with a "genuine" NUPN structure)
vlpn_195	9 units	1088 places	7363 transitions	5–5–45	≥ 1.01421e+08 states	LNT	NUPN PNML
vlpn_196	11 units	353 places	717 transitions	6–6–42	≥ 4.23911e+08 states	LOT	NUPN PNML
vlpn_197	11 units	550 places	1728 transitions	5–6–43	≥ 1.66852e+09 states	LNT	NUPN PNML
vlpn_198	11 units	607 places	870 transitions	5–6–39	≥ 1.17931e+08 states	LOT	NUPN PNML
vlpn_199	11 units	923 places	7197 transitions	5–6–44	≥ 1.59852e+09 states	PIC	NUPN PNML
vlpn_200	11 units	2018 places	4584 transitions	4–6–48	≥ 8.33097e+10 states	LNT	NUPN PNML
vlpn_201	13 units	403 places	851 transitions	5–7–46	≥ 1.47193e+09 states	LNT	NUPN PNML
vlpn_202	13 units	410 places	643 transitions	6–7–49	≥ 4.80983e+07 states	LOT	NUPN PNML
vlpn_203	13 units	559 places	1047 transitions	5–7–48	7.19839e+10 states	LNT	NUPN PNML
vlpn_204	13 units	918 places	1116 transitions	7–7–44	≥ 2.83529e+10 states	FCR	NUPN PNML
vlpn_205	15 units	223 places	379 transitions	6–8–45	≥ 1.20468e+09 states	PIC	NUPN PNML
vlpn_206	15 units	529 places	787 transitions	7–8–57	≥ 3.64765e+08 states	LOT	NUPN PNML
vlpn_207	17 units	151 places	196 transitions	6–9–47	≥ 1.73179e+08 states	LOT	NUPN PNML
vlpn_208	17 units	352 places	493 transitions	8–9–59	≥ 4.62059e+07 states	LOT	NUPN PNML
vlpn_209	17 units	396 places	708 transitions	8–9–59	≥ 1.28621e+09 states	LOT	NUPN PNML
vlpn_210	17 units	402 places	670 transitions	6–9–54	≥ 1.06728e+09 states	LOT	NUPN PNML
vlpn_211	17 units	480 places	699 transitions	8–9–63	≥ 4.52248e+08 states	LOT	NUPN PNML
vlpn_212	19 units	207 places	306 transitions	6–10–50	≥ 3.33609e+08 states	LOT	NUPN PNML
vlpn_213	19 units	358 places	1706 transitions	6–10–61	≥ 1.01617e+11 states	LOT	NUPN PNML
vlpn_214	19 units	410 places	702 transitions	9–10–64	≥ 1.12008e+09 states	LOT	NUPN PNML
vlpn_215	19 units	445 places	621 transitions	9–10–65	≥ 6.57082e+08 states	LOT	NUPN PNML
vlpn_216	20 units	2130 places	2150 transitions	3–17–47	4.00714e+06 states	LOT	NUPN PNML
vlpn_217	21 units	390 places	433 transitions	8–11–63	≥ 2.53067e+10 states	LNT	NUPN PNML
vlpn_218	21 units	1056 places	1274 transitions	11–11–68	≥ 1.09184e+12 states	LNT	NUPN PNML
vlpn_219	23 units	254 places	443 transitions	12–12–64	≥ 4.51038e+09 states	PIC	NUPN PNML
vlpn_220	23 units	541 places	1086 transitions	7–12–69	≥ 3.14402e+15 states	FCR	NUPN PNML
vlpn_221	25 units	124 places	19547 transitions	7–13–54	≥ 1.45059e+11 states	LOT	NUPN PNML
vlpn_222	25 units	463 places	769 transitions	7–13–72	≥ 4.22927e+13 states	LNT	NUPN PNML
vlpn_223	25 units	478 places	1242 transitions	6–13–77	≥ 7.71576e+12 states	LOT	NUPN PNML
vlpn_224	25 units	507 places	815 transitions	7–13–81	≥ 5.49415e+15 states	LNT	NUPN PNML
vlpn_225	25 units	571 places	973 transitions	7–13–78	≥ 2.14835e+10 states	LOT	NUPN PNML
vlpn_226	25 units	860 places	1153 transitions	7–13–78	≥ 2.81923e+13 states	LNT	NUPN PNML
vlpn_227	27 units	225 places	948 transitions	14–14–73	≥ 1.80089e+12 states	LOT	NUPN PNML
vlpn_228	27 units	1266 places	1548 transitions	12–14–84	≥ 8.25235e+15 states	LNT	NUPN PNML
vlpn_229	29 units	157 places	4430 transitions	4–25–73	2.13184e+12 states	LNT	NUPN PNML
vlpn_230	29 units	162 places	3936 transitions	4–25–73	2.7239e+12 states	LNT	NUPN PNML
vlpn_231	29 units	171 places	136 transitions	3–27–78	≥ 1.36573e+10 states	LNT	NUPN PNML
vlpn_232	29 units	298 places	334 transitions	7–15–81	≥ 3.57237e+17 states	FCR	NUPN PNML
vlpn_233	29 units	391 places	562 transitions	8–15–90	≥ 1.86016e+11 states	LOT	NUPN PNML
vlpn_234	29 units	608 places	2582 transitions	6–20–79	4.40146e+06 states	LOT	NUPN PNML
vlpn_235	29 units	1006 places	1342 transitions	13–15–104	≥ 1.21698e+14 states	LOT	NUPN PNML
vlpn_236	31 units	263 places	1274 transitions	16–16–83	≥ 1.51345e+13 states	LOT	NUPN PNML
vlpn_237	31 units	413 places	453 transitions	9–16–98	≥ 5.22157e+21 states	FCR	NUPN PNML
vlpn_238	31 units	444 places	1065 transitions	13–16–77	≥ 9.01026e+15 states	LOT	NUPN PNML
vlpn_239	31 units	978 places	2504 transitions	7–16–72	≥ 2.77715e+10 states	LOT	NUPN PNML
vlpn_240	32 units	106 places	180 transitions	3–25–60	≥ 2.0808e+11 states	LOT	NUPN PNML
vlpn_241	33 units	150 places	478 transitions	4–25–74	≥ 1.64749e+08 states	LNT	NUPN PNML
vlpn_242	33 units	179 places	3462 transitions	5–27–82	≥ 1.61033e+12 states	LNT	NUPN PNML
vlpn_243	33 units	273 places	1322 transitions	17–17–87	≥ 3.63179e+13 states	LOT	NUPN PNML
vlpn_244	33 units	731 places	1414 transitions	7–17–109	≥ 6.07709e+13 states	LNT	NUPN PNML
vlpn_245	33 units	2395 places	2414 transitions	11–17–75	≥ 9.28444e+09 states	LOT	NUPN PNML
vlpn_246	35 units	197 places	198 transitions	18–18–89	≥ 1.14376e+16 states	LOT	NUPN PNML
vlpn_247	35 units	559 places	629 transitions	14–18–101	≥ 1.13409e+14 states	LNT	NUPN PNML
vlpn_248	35 units	1639 places	1973 transitions	3–32–163	8.87444e+06 states	LOT	NUPN PNML
vlpn_249	37 units	399 places	459 transitions	10–19–99	≥ 4.42936e+18 states	LNT	NUPN PNML
vlpn_250	37 units	709 places	2787 transitions	7–19–113	≥ 1.41008e+18 states	LOT	NUPN PNML
vlpn_251	39 units	178 places	180 transitions	16–20–79	≥ 8.3307e+06 states	LOT	NUPN PNML
vlpn_252	39 units	219 places	208 transitions	7–20–96	≥ 1.89235e+10 states	LOT	NUPN PNML
vlpn_253	39 units	256 places	1426 transitions	20–20–83	2.15921e+15 states	LOT	NUPN PNML
vlpn_254	39 units	289 places	470 transitions	7–20–91	≥ 2.96907e+13 states	LNT	NUPN PNML
vlpn_255	41 units	349 places	2130 transitions	21–21–107	≥ 1.40158e+16 states	LOT	NUPN PNML
vlpn_256	41 units	358 places	528 transitions	21–21–110	unknown state space	PIC	NUPN PNML
vlpn_257	43 units	724 places	3413 transitions	8–22–125	≥ 1.36691e+18 states	LOT	NUPN PNML
vlpn_258	43 units	1031 places	7711 transitions	9–22–132	≥ 1.19471e+27 states	FCR	NUPN PNML
vlpn_259	44 units	152 places	3213 transitions	7–28–91	1.52668e+14 states	LOT	NUPN PNML
vlpn_260	45 units	221 places	277 transitions	11–23–107	≥ 8.77575e+12 states	LOT	NUPN PNML
vlpn_261	45 units	415 places	624 transitions	23–23–122	unknown state space	PIC	NUPN PNML
vlpn_262	46 units	325 places	316 transitions	3–38–96	≥ 2.45507e+10 states	LOT	NUPN PNML
vlpn_263	47 units	424 places	5065 transitions	10–25–122	≥ 1.81523e+15 states	LNT	NUPN PNML
vlpn_264	49 units	265 places	358 transitions	8–25–97	≥ 1.43185e+13 states	LOT	NUPN PNML
vlpn_265	49 units	378 places	443 transitions	6–28–133	≥ 2.25978e+09 states	LOT	NUPN PNML
vlpn_266	51 units	190 places	156 transitions	12–26–110	≥ 1.92443e+12 states	LOT	NUPN PNML
vlpn_267	51 units	320 places	284 transitions	11–26–121	≥ 2.52142e+12 states	LOT	NUPN PNML
vlpn_268	51 units	418 places	495 transitions	16–26–103	≥ 5.53284e+12 states	LOT	NUPN PNML
vlpn_269	52 units	195 places	130 transitions	3–49–119	≥ 2.23029e+12 states	LNT	NUPN PNML
vlpn_270	53 units	296 places	261 transitions	11–27–124	≥ 1.61497e+13 states	LOT	NUPN PNML
vlpn_271	53 units	473 places	435 transitions	17–27–140	≥ 1.4657e+17 states	LNT	NUPN PNML
vlpn_272	53 units	752 places	855 transitions	22–27–149	unknown state space	LNT	NUPN PNML
vlpn_273	55 units	235 places	7365 transitions	8–28–111	2.02192e+18 states	LOT	NUPN PNML
vlpn_274	55 units	271 places	416 transitions	13–28–131	≥ 5.56256e+15 states	LOT	NUPN PNML
vlpn_275	57 units	1430 places	1639 transitions	24–29–145	≥ 3.16995e+18 states	FCR	NUPN PNML
vlpn_276	59 units	343 places	723 transitions	8–30–135	≥ 3.88265e+18 states	LNT	NUPN PNML
vlpn_277	63 units	272 places	1292 transitions	3–55–141	≥ 2.37989e+13 states	CHP	NUPN PNML
vlpn_278	64 units	188 places	204 transitions	4–54–130	≥ 8.47336e+12 states	LOT	NUPN PNML
vlpn_279	69 units	427 places	452 transitions	11–35–147	≥ 3.19464e+12 states	LOT	NUPN PNML
vlpn_280	70 units	240 places	229 transitions	3–57–131	≥ 2.31398e+11 states	CHP	NUPN PNML
vlpn_281	70 units	288 places	309 transitions	3–57–139	≥ 3.15027e+09 states	CHP	NUPN PNML
vlpn_282	71 units	218 places	215 transitions	4–62–143	≥ 9.14574e+09 states	LOT	NUPN PNML
vlpn_283	71 units	413 places	999 transitions	9–36–162	≥ 1.5397e+20 states	LNT	NUPN PNML
vlpn_284	71 units	452 places	447 transitions	27–38–124	≥ 1.74868e+14 states	LOT	NUPN PNML
vlpn_285	71 units	666 places	689 transitions	17–36–166	≥ 5.76145e+15 states	LNT	NUPN PNML
vlpn_286	71 units	1477 places	1679 transitions	31–36–173	≥ 4.09549e+20 states	FCR	NUPN PNML
vlpn_287	71 units	5332 places	5654 transitions	31–36–184	≥ 1.76606e+11 states	LOT	NUPN PNML
vlpn_288	74 units	253 places	658 transitions	3–67–148	≥ 4.71594e+10 states	CHP	NUPN PNML
vlpn_289	75 units	278 places	228 transitions	16–38–162	≥ 8.83593e+15 states	LOT	NUPN PNML
vlpn_290	75 units	969 places	1111 transitions	32–38–207	unknown state space	LNT	NUPN PNML
vlpn_291	77 units	445 places	1025 transitions	9–39–176	≥ 3.6401e+21 states	LNT	NUPN PNML
vlpn_292	83 units	483 places	1275 transitions	10–42–189	≥ 6.62905e+20 states	LNT	NUPN PNML
vlpn_293	87 units	322 places	264 transitions	18–44–188	≥ 5.4202e+17 states	LOT	NUPN PNML
vlpn_294	87 units	430 places	357 transitions	18–44–203	6.60231e+15 states	LOT	NUPN PNML
vlpn_295	89 units	348 places	1600 transitions	21–55–172	≥ 7.0756e+16 states	CHP	NUPN PNML
vlpn_296	89 units	373 places	518 transitions	12–45–189	≥ 3.97996e+18 states	LOT	NUPN PNML
vlpn_297	89 units	404 places	430 transitions	4–74–180	≥ 9.8601e+06 states	CHP	NUPN PNML
vlpn_298	89 units	515 places	1409 transitions	9–45–203	≥ 1.8599e+22 states	LNT	NUPN PNML
vlpn_299	93 units	460 places	382 transitions	19–47–217	≥ 5.95262e+16 states	LOT	NUPN PNML
vlpn_300	95 units	243 places	193 transitions	17–49–157	≥ 2.42368e+11 states	LOT	NUPN PNML
vlpn_301	95 units	547 places	1327 transitions	10–48–217	≥ 3.48899e+23 states	LNT	NUPN PNML
vlpn_302	97 units	610 places	542 transitions	16–49–221	≥ 1.49337e+21 states	LNT	NUPN PNML
vlpn_303	99 units	456 places	1473 transitions	17–55–196	≥ 4.85967e+11 states	CHP	NUPN PNML
vlpn_304	99 units	490 places	407 transitions	20–50–231	≥ 6.1629e+17 states	LOT	NUPN PNML
vlpn_305	100 units	333 places	302 transitions	4–85–202	≥ 1.11308e+12 states	CHP	NUPN PNML
vlpn_306	101 units	1210 places	1397 transitions	44–51–275	unknown state space	LNT	NUPN PNML
vlpn_307	105 units	396 places	801 transitions	22–67–192	≥ 2.83521e+11 states	CHP	NUPN PNML
vlpn_308	105 units	520 places	432 transitions	21–53–245	≥ 1.15234e+17 states	LOT	NUPN PNML
vlpn_309	108 units	383 places	363 transitions	4–93–210	≥ 1.86078e+14 states	CHP	NUPN PNML
vlpn_310	111 units	550 places	457 transitions	22–56–259	≥ 1.17321e+19 states	LOT	NUPN PNML
vlpn_311	117 units	580 places	482 transitions	23–59–273	≥ 7.53598e+20 states	LOT	NUPN PNML
vlpn_312	117 units	791 places	817 transitions	24–74–228	≥ 1.60462e+08 states	CHP	NUPN PNML
vlpn_313	119 units	629 places	609 transitions	12–60–269	unknown state space	LOT	NUPN PNML
vlpn_314	123 units	610 places	507 transitions	24–62–287	≥ 4.49752e+21 states	LOT	NUPN PNML
vlpn_315	129 units	269 places	2589 transitions	3–124–253	4.42015e+07 states	LOT	NUPN PNML
vlpn_316	129 units	327 places	453 transitions	65–65–259	≥ 2.87607e+16 states	LOT	NUPN PNML
vlpn_317	129 units	640 places	532 transitions	25–65–301	≥ 1.52446e+22 states	LOT	NUPN PNML
vlpn_318	129 units	805 places	820 transitions	32–79–248	≥ 7.14056e+08 states	CHP	NUPN PNML
vlpn_319	131 units	1475 places	1713 transitions	58–66–353	unknown state space	LNT	NUPN PNML
vlpn_320	133 units	646 places	5971 transitions	3–122–297	≥ 8.56957e+10 states	LOT	NUPN PNML
vlpn_321	139 units	567 places	536 transitions	35–85–275	≥ 4.60491e+12 states	CHP	NUPN PNML
vlpn_322	139 units	5212 places	6504 transitions	29–70–465	≥ 8.87543e+60 states	LOT	NUPN PNML
vlpn_323	155 units	856 places	828 transitions	43–93–299	≥ 1.08655e+14 states	CHP	NUPN PNML
vlpn_324	165 units	1764 places	2059 transitions	74–83–441	unknown state space	LNT	NUPN PNML
vlpn_325	170 units	568 places	3719 transitions	4–160–352	≥ 5.66453e+13 states	CHP	NUPN PNML
vlpn_326	171 units	409 places	10323 transitions	8–124–307	1.30542e+10 states	LOT	NUPN PNML
vlpn_327	173 units	740 places	755 transitions	10–90–341	≥ 2.68336e+11 states	LOT	NUPN PNML
vlpn_328	203 units	2077 places	2435 transitions	92–102–539	unknown state space	LNT	NUPN PNML
vlpn_329	211 units	870 places	4083 transitions	17–160–405	≥ 1.29068e+14 states	CHP	NUPN PNML
vlpn_330	243 units	539 places	367 transitions	3–234–483	≥ 12441 states	CHP	NUPN PNML
vlpn_331	243 units	1449 places	9517 transitions	15–122–556	≥ 6.9022e+50 states	LOT	NUPN PNML
vlpn_332	257 units	647 places	901 transitions	129–129–515	≥ 466181 states	LOT	NUPN PNML
vlpn_333	258 units	554 places	368 transitions	3–249–511	≥ 12441 states	CHP	NUPN PNML
vlpn_334	276 units	1111 places	6396 transitions	3–245–601	≥ 5.11069e+33 states	CHP	NUPN PNML
vlpn_335	293 units	993 places	2289 transitions	3–268–589	≥ 1.52839e+24 states	LOT	NUPN PNML
vlpn_336	366 units	1601 places	5246 transitions	3–340–861	≥ 3.01011e+31 states	CHP	NUPN PNML
vlpn_337	397 units	785 places	613 transitions	27–234–652	≥ 10630 states	CHP	NUPN PNML
vlpn_338	406 units	835 places	488 transitions	3–388–796	≥ 2.12676e+38 states	CHP	NUPN PNML
vlpn_339	425 units	814 places	628 transitions	33–249–693	≥ 74134 states	CHP	NUPN PNML
vlpn_340	468 units	1573 places	2617 transitions	6–448–916	1.35056e+07 states	LOT	NUPN PNML
vlpn_341	491 units	2031 places	7136 transitions	3–440–1081	unknown state space	CHP	NUPN PNML
vlpn_342	502 units	1030 places	621 transitions	3–484–988	unknown state space	CHP	NUPN PNML
vlpn_343	579 units	2479 places	6124 transitions	30–340–1154	unknown state space	CHP	NUPN PNML
vlpn_344	700 units	700 places	947 transitions	6–671–700	1.25971e+06 states	LOT	NUPN PNML
vlpn_345	700 units	2357 places	3924 transitions	6–671–1372	unknown state space	LOT	NUPN PNML
vlpn_346	739 units	3099 places	8124 transitions	26–440–1419	unknown state space	CHP	NUPN PNML
vlpn_347	799 units	5276 places	6556 transitions	9–720–1552	unknown state space	LOT	NUPN PNML
vlpn_348	1061 units	3016 places	2866 transitions	4–1005–2121	unknown state space	CHP	NUPN PNML
vlpn_349	1107 units	3551 places	3012 transitions	77–598–1722	unknown state space	CHP	NUPN PNML
vlpn_350	1197 units	7904 places	9825 transitions	10–1079–2324	unknown state space	LOT	NUPN PNML

4. References

[Gar15]: Hubert Garavel. Nested-Unit Petri Nets: A Structural Means to Increase Efficiency and Scalability of Verification on Elementary Nets. In Proceedings of the 36th International Conference on Application and Theory of Petri Nets and Concurrency (Petri Nets'15), Bruxelles, Belgium, June 2015. DOI 10.1007/978-3-319-19488-2_9.

Annex A. Credits - Acknowledgements

The VLPN benchmark suite has been designed by Hubert Garavel (CONVECS team of INRIA Grenoble and LIG).

This achievement would not have been possible without the help of:

Damien BERGAMINI, who developed the first version of the CAESAR.BDD tool in 2004,

Alexandre HAMEZ, who quickly understood the advantages of NUPNs and developed the CAESAR.SDD tool that successfully analyzed some particularly large models of VLPN,

Lom Messan HILLAH, who developed the PNML2NUPN translator that allowed reusing in the group 5 of VLPN some large unstructured models borrowed from the Model Checking Contest base, and who developed connections with the Bounds and Safety tools of CosyVerif for proving unit-safeness of such models,

Fabrice KORDON, who set up the principles and infrastructure of the Model Checking Contest, parts of which have been reused for VLPN, and provided valuable feedback on early versions of the VLPN benchmark suite,

Frédéric LANG, who supplied models generated from Fiacre and FSP, and who extended the EXP.OPEN tool with a translation to the NUPN format, thus giving access to hundreds of communicating automata, among which the VLPN models of group 6 have been selected,

Emmanuel PAVIOT-ADET, who developed the Bounds and Safety tools of CosyVerif, which managed to prove unit safeness for the largest VLPN models of group 5,

Wendelin SERWE, who supplied models generated from CHP, and who wrote or enhanced various regression-testing scripts for CADP, enabling one to obtain NUPN models generated from pi-calculus.

Annex B. History of versions

March 30, 2015:
Preparation of VLPN version 0.1 (experimental release) containing 65% of original (i.e., not taken from the MCC benchmarks) models.

April 19, 2015:
Preparation of VLPN version 0.2 (experimental release) containing 70% of original models.

April 26, 2015:
Preparation of VLPN version 0.3 (experimental release) containing 74% of original models.

April 28, 2015:
Preparation of VLPN version 0.4 (experimental release).

May 5, 2015:
Preparation of VLPN version 0.5 (experimental release).

May 14, 2015:
Preparation of VLPN version 0.6 (experimental release) containing 81% of original models.

June 7, 2015:
Preparation of VLPN version 0.7 (experimental release).

October 15, 2025:
Publication of VLPN version 1.0.

Version 1.64 - Last updated 2025/10/16 11:41:52

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