{"title":"通过动态符号执行的IEC 61131-3 ST程序自动测试生成","authors":"Li Hao, Jianqi Shi, Ting Su, Yanhong Huang","doi":"10.1109/TASE.2019.00004","DOIUrl":null,"url":null,"abstract":"A programmable logic controller (PLC) is essentially a computer dedicated to industrial control which is widely used in the field of global automation control. However, PLC software bugs can result in economic losses and even personal safety issues. PLC software must be thoroughly tested regarding function, structure, safety, and other aspects to avoid accidents. Existing PLC tools are mainly based on the manual setting of input data, which is not only unable to be well automated but also cannot provide information about code coverage. This paper presents an automated test case generation approach for a Structured Text (ST) language to reduce the cost of testing, using dynamic symbolic execution. We apply this method to implement the coverage-based automated test case generation tool STAutoTester. We have evaluated STAutoTester on 21 programs. The experimental results show that STAutoTester can effectively handle these programs. For 11 ST programs, STAutoTester reduces, on average, 87.5% of generated test cases compared to SYMPLC.","PeriodicalId":183749,"journal":{"name":"2019 International Symposium on Theoretical Aspects of Software Engineering (TASE)","volume":"74 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"7","resultStr":"{\"title\":\"Automated Test Generation for IEC 61131-3 ST Programs via Dynamic Symbolic Execution\",\"authors\":\"Li Hao, Jianqi Shi, Ting Su, Yanhong Huang\",\"doi\":\"10.1109/TASE.2019.00004\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A programmable logic controller (PLC) is essentially a computer dedicated to industrial control which is widely used in the field of global automation control. However, PLC software bugs can result in economic losses and even personal safety issues. PLC software must be thoroughly tested regarding function, structure, safety, and other aspects to avoid accidents. Existing PLC tools are mainly based on the manual setting of input data, which is not only unable to be well automated but also cannot provide information about code coverage. This paper presents an automated test case generation approach for a Structured Text (ST) language to reduce the cost of testing, using dynamic symbolic execution. We apply this method to implement the coverage-based automated test case generation tool STAutoTester. We have evaluated STAutoTester on 21 programs. The experimental results show that STAutoTester can effectively handle these programs. For 11 ST programs, STAutoTester reduces, on average, 87.5% of generated test cases compared to SYMPLC.\",\"PeriodicalId\":183749,\"journal\":{\"name\":\"2019 International Symposium on Theoretical Aspects of Software Engineering (TASE)\",\"volume\":\"74 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2019-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"7\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2019 International Symposium on Theoretical Aspects of Software Engineering (TASE)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/TASE.2019.00004\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2019 International Symposium on Theoretical Aspects of Software Engineering (TASE)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/TASE.2019.00004","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Automated Test Generation for IEC 61131-3 ST Programs via Dynamic Symbolic Execution
A programmable logic controller (PLC) is essentially a computer dedicated to industrial control which is widely used in the field of global automation control. However, PLC software bugs can result in economic losses and even personal safety issues. PLC software must be thoroughly tested regarding function, structure, safety, and other aspects to avoid accidents. Existing PLC tools are mainly based on the manual setting of input data, which is not only unable to be well automated but also cannot provide information about code coverage. This paper presents an automated test case generation approach for a Structured Text (ST) language to reduce the cost of testing, using dynamic symbolic execution. We apply this method to implement the coverage-based automated test case generation tool STAutoTester. We have evaluated STAutoTester on 21 programs. The experimental results show that STAutoTester can effectively handle these programs. For 11 ST programs, STAutoTester reduces, on average, 87.5% of generated test cases compared to SYMPLC.
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