StFuzzer: Contribution-Aware Coverage-Guided Fuzzing for Smart Devices

Algorithm 2

Calculate dynamic contributions of basic blocks.

	Input: B the set of basic blocks
i: the number of the fuzzing iterations
: Settings threshold
Output: Calculating the dynamic Contribution of each block
(1)	for each block b do
(2)	if then
(3)	if b has been executed then
(4)
(5)	else
(6)
(7)	end if
(8)	else
(9)	if b has been executed then
(10)
(11)	else
(12)
(13)	end if
(14)	end if
(15)	end for