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| en [2026/06/16 20:12] – [SAT and SMT Solvers] admin | en [2026/06/26 19:02] (current) – hiroshi_unno |
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| ===== News ===== | ===== News ===== |
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| | * **June 2026**. The paper "A Hierarchy of Supermartingales for ω-Regular Verification" by Professor **Hiroshi Unno** et al. was presented at [[https://pldi26.sigplan.org/|PLDI 2026]]. |
| | * **June 2026**. The paper "Supermartingales for Unique Fixed Points: A Unified Approach to Lower Bound Verification" by Professor **Hiroshi Unno** et al. was presented at [[https://pldi26.sigplan.org/|PLDI 2026]]. |
| * **May 2026**. Professor **Hiroshi Unno** gave a keynote talk at [[https://mvl.jpn.org/ISMVL2026/|ISMVL 2026]]. | * **May 2026**. Professor **Hiroshi Unno** gave a keynote talk at [[https://mvl.jpn.org/ISMVL2026/|ISMVL 2026]]. |
| * **April 2026**. We participated in [[https://chc-comp.github.io/chc-comp-2026/tables/index.html|CHC-COMP 2026]] with **PCSat** and **MuCyc**, two CHC solvers developed in our laboratory. | * **April 2026**. We participated in [[https://chc-comp.github.io/chc-comp-2026/tables/index.html|CHC-COMP 2026]] with **PCSat** and **MuCyc**, two CHC solvers developed in our laboratory. |
| * **April 2025**. Professor **Hiroshi Unno**'s project, "Foundations and Applications of Program Verification Techniques," has been selected for funding under the [[https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-25H00446/|KAKENHI Grant-in-Aid for Scientific Research (S)]]. | * **April 2025**. Professor **Hiroshi Unno**'s project, "Foundations and Applications of Program Verification Techniques," has been selected for funding under the [[https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-25H00446/|KAKENHI Grant-in-Aid for Scientific Research (S)]]. |
| * **February 2025**. The paper "Solving Higher-Order Quantified Boolean Satisfiability via Higher-Order Model Checking" by Professor **Hiroshi Unno** et al. was presented at [[https://aaai.org/conference/aaai/aaai-25/|AAAI 2025]]. | * **February 2025**. The paper "Solving Higher-Order Quantified Boolean Satisfiability via Higher-Order Model Checking" by Professor **Hiroshi Unno** et al. was presented at [[https://aaai.org/conference/aaai/aaai-25/|AAAI 2025]]. |
| * **January 2025**. The paper "A Primal-Dual Perspective on Program Verification Algorithms" by Professor Hiroshi Unno et al. received a **Distinguished Paper Award** at [[https://popl25.sigplan.org/|POPL 2025]]. | * **January 2025**. The paper "A Primal-Dual Perspective on Program Verification Algorithms" by Professor **Hiroshi Unno** et al. received a **Distinguished Paper Award** at [[https://popl25.sigplan.org/|POPL 2025]]. |
| * **January 2025**. The paper "A Primal-Dual Perspective on Program Verification Algorithms" by Professor **Hiroshi Unno** et al. was presented at [[https://popl25.sigplan.org/|POPL 2025]]. | * **January 2025**. The paper "A Primal-Dual Perspective on Program Verification Algorithms" by Professor **Hiroshi Unno** et al. was presented at [[https://popl25.sigplan.org/|POPL 2025]]. |
| * **January 2025**. The paper "Algebraic Temporal Effects: Temporal Verification of Recursively Typed Higher-Order Programs" by Professor **Hiroshi Unno** et al. was presented at [[https://popl25.sigplan.org/|POPL 2025]]. | * **January 2025**. The paper "Algebraic Temporal Effects: Temporal Verification of Recursively Typed Higher-Order Programs" by Professor **Hiroshi Unno** et al. was presented at [[https://popl25.sigplan.org/|POPL 2025]]. |
| | Professor | [[https://www.riec.tohoku.ac.jp/~unno/|Hiroshi Unno]] | | | Professor | [[https://www.riec.tohoku.ac.jp/~unno/|Hiroshi Unno]] | |
| | Assistant Professor | [[https://www.riec.tohoku.ac.jp/~eberhart/|Clovis Eberhart]] | | | Assistant Professor | [[https://www.riec.tohoku.ac.jp/~eberhart/|Clovis Eberhart]] | |
| | Postdoctoral Researcher | Kenji Saotome | | | Postdoctoral Researcher | [[https://researchmap.jp/k_saotome?lang=en|Kenji Saotome]] | |
| | Secretary | Kyoko Sagae | | | Secretary | Kyoko Sagae | |
| | Graduate Students | [[takuma_monma|Takuma Monma]] | | | Graduate Students | [[takuma_monma|Takuma Monma]] | |
| | | Lagrangian-Based Duality for Quantified SMT Algorithms | Ivana Bocevska, Takeshi Tsukada, Hiroshi Unno, Oded Padon, and Sharon Shoham | [[https://conferences.i-cav.org/2026/|International Conference on Computer Aided Verification (CAV 2026) (to appear)]] | | | | Lagrangian-Based Duality for Quantified SMT Algorithms | Ivana Bocevska, Takeshi Tsukada, Hiroshi Unno, Oded Padon, and Sharon Shoham | [[https://conferences.i-cav.org/2026/|International Conference on Computer Aided Verification (CAV 2026) (to appear)]] | |
| | | Sound Termination and Non-Termination Analysis of C Programs with Bit-Precise Bounded Semantics and Advanced Constructs | Negar Fathi, Hiroshi Unno, Tachio Terauchi, and Rahul Purandare | [[https://conf.researchr.org/home/fse-2026|International Conference on the Foundations of Software Engineering (FSE 2026) (to appear)]] | | | | Sound Termination and Non-Termination Analysis of C Programs with Bit-Precise Bounded Semantics and Advanced Constructs | Negar Fathi, Hiroshi Unno, Tachio Terauchi, and Rahul Purandare | [[https://conf.researchr.org/home/fse-2026|International Conference on the Foundations of Software Engineering (FSE 2026) (to appear)]] | |
| | [[https://arxiv.org/abs/2512.00270|arXiv]] | A Hierarchy of Supermartingales for ω-Regular Verification | Satoshi Kura and Hiroshi Unno | [[https://pldi26.sigplan.org/|ACM SIGPLAN Conference on Programming Language Design and Implementation (PLDI 2026)]] | | | [[https://doi.org/10.1145/3808257|doi]] [[https://arxiv.org/abs/2512.00270|arXiv]] | A Hierarchy of Supermartingales for ω-Regular Verification | Satoshi Kura and Hiroshi Unno | [[https://pldi26.sigplan.org/|ACM SIGPLAN Conference on Programming Language Design and Implementation (PLDI 2026)]] | |
| | [[https://arxiv.org/abs/2504.04132|arXiv]] | Supermartingales for Unique Fixed Points: A Unified Approach to Lower Bound Verification | Satoshi Kura, Hiroshi Unno, and Takeshi Tsukada | [[https://pldi26.sigplan.org/|ACM SIGPLAN Conference on Programming Language Design and Implementation (PLDI 2026)]] | | | [[https://doi.org/10.1145/3808348|doi]] [[https://arxiv.org/abs/2504.04132|arXiv]] | Supermartingales for Unique Fixed Points: A Unified Approach to Lower Bound Verification | Satoshi Kura, Hiroshi Unno, and Takeshi Tsukada | [[https://pldi26.sigplan.org/|ACM SIGPLAN Conference on Programming Language Design and Implementation (PLDI 2026)]] | |
| | [[https://doi.org/10.1007/978-3-032-22720-1_15|doi]] | A Category-Theoretic Framework for Dependent Effect Systems | Satoshi Kura, Marco Gaboardi, Taro Sekiyama, and Hiroshi Unno | [[https://etaps.org/2026/conferences/esop/|European Symposium on Programming (ESOP 2026)]] | | | [[https://doi.org/10.1007/978-3-032-22720-1_15|doi]] | A Category-Theoretic Framework for Dependent Effect Systems | Satoshi Kura, Marco Gaboardi, Taro Sekiyama, and Hiroshi Unno | [[https://etaps.org/2026/conferences/esop/|European Symposium on Programming (ESOP 2026)]] | |
| | [[https://doi.org/10.1007/978-3-032-11176-0_20|doi]] [[https://arxiv.org/pdf/2509.08343/|arXiv]] | AP-observation Automata for Abstraction-based Verification of Continuous-time Systems | Sasinee Pruekprasert and Clovis Eberhart | [[https://ictac2025.digital-hub.sh/|International Colloquium on Theoretical Aspects of Computing (ICTAC 2025)]] | | | [[https://doi.org/10.1007/978-3-032-11176-0_20|doi]] [[https://arxiv.org/pdf/2509.08343/|arXiv]] | AP-observation Automata for Abstraction-based Verification of Continuous-time Systems | Sasinee Pruekprasert and Clovis Eberhart | [[https://ictac2025.digital-hub.sh/|International Colloquium on Theoretical Aspects of Computing (ICTAC 2025)]] | |