<s>
Maria	B-General_Concept
:	O
The	O
Modular	O
Reachability	O
Analyzer	O
is	O
a	O
reachability	O
analyzer	O
for	O
concurrent	O
systems	O
that	O
uses	O
Algebraic	O
System	O
Nets	O
(	O
a	O
high-level	O
variant	O
of	O
Petri	B-Operating_System
nets	I-Operating_System
)	O
as	O
its	O
modelling	O
formalism	O
.	O
</s>
