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- research-articleMarch 2023
Satisfiability Modulo Ordering Consistency Theory for SC, TSO, and PSO Memory Models
ACM Transactions on Programming Languages and Systems (TOPLAS), Volume 45, Issue 1Article No.: 6, Pages 1–37https://doi.org/10.1145/3579835Automatically verifying multi-threaded programs is difficult because of the vast number of thread interleavings, a problem aggravated by weak memory consistency. Partial orders can help with verification because they can represent many thread ...
- research-articleOctober 2022
Consistency-preserving propagation for SMT solving of concurrent program verification
Proceedings of the ACM on Programming Languages (PACMPL), Volume 6, Issue OOPSLA2Article No.: 158, Pages 929–956https://doi.org/10.1145/3563321The happens-before orders have been widely adopted to model thread interleaving behaviors of concurrent programs. A dedicated ordering theory solver, usually composed of theory propagation, consistency checking, and conflict clause generation, plays a ...
- research-articleOctober 2022
Efficient 5-axis CNC trochoidal flank milling of 3D cavities using custom-shaped cutting tools
AbstractA novel method for trochoidal flank milling of 3D cavities bounded by free-form surfaces is proposed. Existing 3D trochoidal milling methods use on-market milling tools whose shape is typically cylindrical or conical, and is therefore ...
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Highlights- Tool shape is optimized in TR milling of 3D cavities bounded by free-form surfaces.
- ArticleApril 2022
Deagle: An SMT-based Verifier for Multi-threaded Programs (Competition Contribution)
Tools and Algorithms for the Construction and Analysis of SystemsApr 2022, Pages 424–428https://doi.org/10.1007/978-3-030-99527-0_25AbstractDeagle is an SMT-based multi-threaded program verification tool. It is built on top of CBMC (front-end) and MiniSAT (back-end). The basic idea of Deagle is to integrate into the SMT solver an ordering consistency theory that handles ordering ...
Interference relation-guided SMT solving for multi-threaded program verification
PPoPP '22: Proceedings of the 27th ACM SIGPLAN Symposium on Principles and Practice of Parallel ProgrammingApril 2022, Pages 163–176https://doi.org/10.1145/3503221.3508424Concurrent program verification is challenging due to a large number of thread interferences. A popular approach is to encode concurrent programs as SMT formulas and then rely on off-the-shelf SMT solvers to accomplish the verification. In most existing ...
- research-articleJanuary 2022
Research on Forecast of Macroeconomic Indicators Based on Multiobjective Optimization
Wireless Communications & Mobile Computing (WCMC), Volume 20222022https://doi.org/10.1155/2022/4905178In recent years, with China’s economic development entering a new normal, the total scale and complexity of economic development have increased unprecedentedly, and the requirements of government management and regulation of the economy are getting higher ...
- research-articleJune 2021
Satisfiability modulo ordering consistency theory for multi-threaded program verification
PLDI 2021: Proceedings of the 42nd ACM SIGPLAN International Conference on Programming Language Design and ImplementationJune 2021, Pages 1264–1279https://doi.org/10.1145/3453483.3454108Analyzing multi-threaded programs is hard due to the number of thread interleavings. Partial orders can be used for modeling and analyzing multi-threaded programs. However, there is no dedicated decision procedure for solving partial-order constraints. ...