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A Target-Oriented Path Generation Method based on Concolic Testing
Zhang Xuzhou,Gong Yunzhan,Wang Yawen,Xing Ying 보안공학연구지원센터 2016 International Journal of Security and Its Applicat Vol.10 No.6
The space explosion caused by loop structure in path exploration makes it difficult to find a target-oriented path during code coverage testing. In this paper, a method named target-oriented concolic testing(TOCT) is introduced to tackle the problem of generating a path to cover a target in a loop structure. First, the static analysis method static prefix path search (SPSS) is used to generate a prefix path. Solving the constraints on the prefix path obtains a test case, with which concrete execution is carried out as an input. Meanwhile the execution trace is captured. The trace is used to unfold the loop into a feasible path. Finally SPPS is adopted again for the next prefix-path until a feasible path containing the target is achieved. Experimental results show that the proposed strategy reached a higher coverage when the targets are in loop structure and demonstrate that it is applicable in engineering.