学位论文详细信息
Testing, runtime verification, and analysis of concurrent programs
Runtime verification;concurrency;testing
Luo, Qingzhou
关键词: Runtime verification;    concurrency;    testing;   
Others  :  https://www.ideals.illinois.edu/bitstream/handle/2142/87955/LUO-DISSERTATION-2015.pdf?sequence=1&isAllowed=y
美国|英语
来源: The Illinois Digital Environment for Access to Learning and Scholarship
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【 摘 要 】

With the development of multi-core processors, concurrent programs are becoming more and more popular. Among several models, the multithreaded shared-memory model is the predominant programming paradigm for developing concurrent programs. However, because of non-deterministic scheduling, multithreaded code is hard to develop and test. Concurrency bugs, such as data races, atomicity violations, and deadlocks, are hard to detect and fix in multithreaded programs. To test and verify multithreaded programs, two sets of techniques are needed. The first one is to enforce thread schedules and runtime properties efficiently. Being able to enforce desired thread schedules and runtime properties would greatly help developers to develop reliable multithreaded code. The second one is to explore the state space of multithreaded programs efficiently. Systematic state-space exploration could guarantee correctness for mul-tithreaded code, however, it is usually time consuming and thus infeasible in most cases.This dissertation presents several techniques to address challenges arising in testing and runtime verification of multithreaded programs. The first two techniques are the IMUnitframework for enforcing testing schedules and the EnforceMOP system for enforcing runtime properties for multithreaded programs. An experimental evaluation shows that ourtechniques can enforce threadschedules and runtime properties effectively and efficiently, and have their own advantages over existing techniques. The other techniques are the RV-Causal framework and the CAPP technique in the ReEx framework for efficient state-spaceexploration of multithreaded code. RV-Causal employs the idea of the maximal causal model for state-space exploration in a novel way to reduce the exploration cost, withoutlosing the ability to detect certain types of concurrency bugs. The results show that RV-Causal outperforms existing techniques by finding concurrency bugs and exploring the entire state space much more efficiently.

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