<s>
Open	B-Language
Verification	I-Language
Library	I-Language
(	O
OVL	O
)	O
is	O
a	O
library	O
of	O
property	O
checkers	O
for	O
digital	O
circuit	O
descriptions	O
written	O
in	O
popular	O
Hardware	O
Description	O
Languages	O
(	O
HDLs	O
)	O
.	O
</s>
<s>
FIFOs	B-Operating_System
)	O
.	O
</s>
<s>
a	O
designer	O
having	O
access	O
to	O
Verilog	B-Language
tools	O
does	O
not	O
need	O
a	O
new	O
language	O
to	O
start	O
using	O
property	O
checking	O
with	O
OVL	O
.	O
</s>
<s>
While	O
first	O
versions	O
of	O
OVL	O
supported	O
Verilog	B-Language
and	O
VHDL	B-Language
,	O
most	O
recent	O
versions	O
support	O
(	O
in	O
alphabetical	O
order	O
)	O
:	O
</s>
<s>
Depending	O
on	O
the	O
demand	O
,	O
support	O
for	O
two	O
more	O
languages	O
may	O
be	O
added	O
:	O
PSL	B-Language
-	O
VHDL	B-Language
flavour	O
and	O
SystemC	B-Language
.	O
</s>
