Proceedings of the Joint Meeting of the Twenty-Third EACSL Annual Conference on Computer Science Logic (CSL) and the Twenty-Ninth Annual ACM/IEEE Symposium on Logic in Computer Science (LICS)最新文献

Preservation and decomposition theorems for bounded degree structures 有界度结构的保存与分解定理

Proceedings of the Joint Meeting of the Twenty-Third EACSL Annual Conference on Computer Science Logic (CSL) and the Twenty-Ninth Annual ACM/IEEE Symposium on Logic in Computer Science (LICS) Pub Date : 2014-07-14 DOI: 10.1145/2603088.2603130

Frederik Harwath, Lucas Heimberg, Nicole Schweikardt

引用次数: 14

Local temporal reasoning 局部时间推理

Proceedings of the Joint Meeting of the Twenty-Third EACSL Annual Conference on Computer Science Logic (CSL) and the Twenty-Ninth Annual ACM/IEEE Symposium on Logic in Computer Science (LICS) Pub Date : 2014-07-14 DOI: 10.1145/2603088.2603138

Eric Koskinen, Tachio Terauchi

引用次数: 24

Trade-off analysis meets probabilistic model checking 权衡分析满足概率模型检查

Proceedings of the Joint Meeting of the Twenty-Third EACSL Annual Conference on Computer Science Logic (CSL) and the Twenty-Ninth Annual ACM/IEEE Symposium on Logic in Computer Science (LICS) Pub Date : 2014-07-14 DOI: 10.1145/2603088.2603089

C. Baier, Clemens Dubslaff, Sascha Klüppelholz

{"title":"Trade-off analysis meets probabilistic model checking","authors":"C. Baier, Clemens Dubslaff, Sascha Klüppelholz","doi":"10.1145/2603088.2603089","DOIUrl":"https://doi.org/10.1145/2603088.2603089","url":null,"abstract":"Probabilistic model checking (PMC) is a well-established and powerful method for the automated quantitative analysis of parallel distributed systems. Classical PMC-approaches focus on computing probabilities and expectations in Markovian models annotated with numerical values for costs and utility, such as energy and performance. Usually, the utility gained and the costs invested are dependent and a trade-off analysis is of utter interest. In this paper, we provide an overview on various kinds of non-standard multi-objective formalisms that enable to specify and reason about the trade-off between costs and utility. In particular, we present the concepts of quantiles, conditional probabilities and expectations as well as objectives on the ratio between accumulated costs and utility. Such multi-objective properties have drawn very few attention in the context of PMC and hence, there is hardly any tool support in state-of-the-art model checkers. Furthermore, we broaden our results towards combined quantile queries, computing conditional probabilities those conditions are expressed as formulas in probabilistic computation tree logic, and the computation of ratios which can be expected on the long-run.","PeriodicalId":20649,"journal":{"name":"Proceedings of the Joint Meeting of the Twenty-Third EACSL Annual Conference on Computer Science Logic (CSL) and the Twenty-Ninth Annual ACM/IEEE Symposium on Logic in Computer Science (LICS)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78012096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 30

Abstract interpretation from Büchi automata 从<s:1>气自动机的抽象解释

Proceedings of the Joint Meeting of the Twenty-Third EACSL Annual Conference on Computer Science Logic (CSL) and the Twenty-Ninth Annual ACM/IEEE Symposium on Logic in Computer Science (LICS) Pub Date : 2014-07-14 DOI: 10.1145/2603088.2603127

M. Hofmann, Wei Chen

{"title":"Abstract interpretation from Büchi automata","authors":"M. Hofmann, Wei Chen","doi":"10.1145/2603088.2603127","DOIUrl":"https://doi.org/10.1145/2603088.2603127","url":null,"abstract":"We describe the construction of an abstract lattice from a given Buchi automata. The abstract lattice is finite and has the following key properties. (i) There is a Galois connection between it and the (infinite) lattice of languages of finite and infinite words over a given alphabet. (ii) The abstraction is faithful with respect to acceptance by the automaton. (iii) Least fixpoints and ω-iterations (but not in general greatest fixpoints) can be computed on the level of the abstract lattice. This allows one to develop an abstract interpretation capable of checking whether finite and infinite traces of a (recursive) program are accepted by a policy automaton. It is also possible to cast this analysis in form of a type and effect system with the effects being elements of the abstract lattice. While the resulting decidability and complexity results are known (regular model checking for pushdown systems) the abstract lattice provides a new point of view and enables smooth integration with data types, objects, higher-order functions which are best handled with abstract interpretation or type systems. We demonstrate this by generalising our type-and-effect systems to object-oriented programs and higher-order functions.","PeriodicalId":20649,"journal":{"name":"Proceedings of the Joint Meeting of the Twenty-Third EACSL Annual Conference on Computer Science Logic (CSL) and the Twenty-Ninth Annual ACM/IEEE Symposium on Logic in Computer Science (LICS)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86629324","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 32

Computer-checked mathematics: a formal proof of the odd order theorem 计算机检验数学:奇阶定理的形式化证明

Proceedings of the Joint Meeting of the Twenty-Third EACSL Annual Conference on Computer Science Logic (CSL) and the Twenty-Ninth Annual ACM/IEEE Symposium on Logic in Computer Science (LICS) Pub Date : 2014-07-14 DOI: 10.1145/2603088.2603090

A. Mahboubi

{"title":"Computer-checked mathematics: a formal proof of the odd order theorem","authors":"A. Mahboubi","doi":"10.1145/2603088.2603090","DOIUrl":"https://doi.org/10.1145/2603088.2603090","url":null,"abstract":"The Odd Order Theorem is a landmark result in finite group theory, due to W. Feit and J. G. Thompson [1], which states that every finite group of odd order is solvable. It is famous for its crucial role in the classification of finite simple groups, for the novel methods introduced by its original proof but also for the striking contrast between the simplicity of its statement and the unusual length and complexity of its proof. After a six year collaborative effort, we managed to formalize and machine-check a complete proof of this theorem [2] using the Coq proof assistant [3]. The resulting collection of libraries of formalized mathematics covers a wide variety of topics, mostly in algebra, as this proof relies on a sophisticated combination of local analysis and character theory. In this tutorial we comment on the role played by the different features of the proof assistant, from the meta-theory of its underlying logic to the implementation of its various components. We will also discuss some issues raised by the translation of mathematical textbooks into formal libraries and the perspectives it opens on the use of a computer to do mathematics.","PeriodicalId":20649,"journal":{"name":"Proceedings of the Joint Meeting of the Twenty-Third EACSL Annual Conference on Computer Science Logic (CSL) and the Twenty-Ninth Annual ACM/IEEE Symposium on Logic in Computer Science (LICS)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84809046","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Satisfiability modulo counting: a new approach for analyzing privacy properties 可满足模计数:一种分析隐私属性的新方法

Proceedings of the Joint Meeting of the Twenty-Third EACSL Annual Conference on Computer Science Logic (CSL) and the Twenty-Ninth Annual ACM/IEEE Symposium on Logic in Computer Science (LICS) Pub Date : 2014-07-14 DOI: 10.1145/2603088.2603097

Matt Fredrikson, S. Jha

{"title":"Satisfiability modulo counting: a new approach for analyzing privacy properties","authors":"Matt Fredrikson, S. Jha","doi":"10.1145/2603088.2603097","DOIUrl":"https://doi.org/10.1145/2603088.2603097","url":null,"abstract":"Applications increasingly derive functionality from sensitive personal information, forcing developers who wish to preserve some notion of privacy or confidentiality to reason about partial information leakage. New definitions of privacy and confidentiality, such as differential privacy, address this by offering precise statements of acceptable disclosure that are useful in common settings. However, several recent published accounts of flawed implementations have surfaced, highlighting the need for verification techniques. In this paper, we pose the problem of model-counting satisfiability, and show that a diverse set of privacy and confidentiality verification problems can be reduced to instances of it. In this problem, constraints are placed on the outcome of model-counting operations, which occur over formulas containing parameters. The object is to find an assignment to the parameters that satisfies the model-counting constraints, or to demonstrate unsatisfiability. We present a logic for expressing these problems, and an abstract decision procedure for model-counting satisfiability problems fashioned after CDCL-based SMT procedures, encapsulating functionality specific to the underlying logic in which counting occurs in a small set of black-box routines similar to those required of theory solvers in SMT. We describe an implementation of this procedure for linear-integer arithmetic, as well as an effective strategy for generating lemmas. We conclude by applying our decision procedure to the verification of privacy properties over programs taken from a well-known privacy-preserving compiler, demonstrating its ability to find flaws or prove correctness sometimes in a matter of seconds.","PeriodicalId":20649,"journal":{"name":"Proceedings of the Joint Meeting of the Twenty-Third EACSL Annual Conference on Computer Science Logic (CSL) and the Twenty-Ninth Annual ACM/IEEE Symposium on Logic in Computer Science (LICS)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89242276","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 26

Graph logics with rational relations: the role of word combinatorics 具有有理关系的图逻辑:词组合学的作用

Proceedings of the Joint Meeting of the Twenty-Third EACSL Annual Conference on Computer Science Logic (CSL) and the Twenty-Ninth Annual ACM/IEEE Symposium on Logic in Computer Science (LICS) Pub Date : 2014-07-14 DOI: 10.1145/2603088.2603122

P. Barceló, Pablo Muñoz

{"title":"Graph logics with rational relations: the role of word combinatorics","authors":"P. Barceló, Pablo Muñoz","doi":"10.1145/2603088.2603122","DOIUrl":"https://doi.org/10.1145/2603088.2603122","url":null,"abstract":"Graph databases make use of logics that combine traditional first-order features with navigation on paths, in the same way logics for model checking do. However, modern applications of graph databases impose a new requirement on the expressiveness of the logics: they need comparing labels of paths based on word relations (such as prefix, subword, or subsequence). This has led to the study of logics that extend basic graph languages with features for comparing labels of paths based on regular relations, or the strictly more powerful rational relations. The evaluation problem for the former logic is decidable (and even tractable in data complexity), but already extending this logic with such a common rational relation as subword or suffix turns evaluation undecidable. In practice, however, it is rare to have the need for such powerful logics. Therefore, it is more realistic to study the complexity of less expressive logics that still allow comparing paths based on practically motivated rational relations. Here we concentrate on the most basic such languages, which extend graph pattern logics with path comparisons based only on suffix, subword or subsequence. We pinpoint the complexity of evaluation for each one of these logics, which shows that all of them are decidable in elementary time (PSpace or NExpTime). Furthermore, the extension with suffix is even tractable in data complexity (but the other two are not). In order to obtain our results we establish a link between the evaluation problem for graph logics and two important problems in word combinatorics: word equations with regular constraints and square shuffling.","PeriodicalId":20649,"journal":{"name":"Proceedings of the Joint Meeting of the Twenty-Third EACSL Annual Conference on Computer Science Logic (CSL) and the Twenty-Ninth Annual ACM/IEEE Symposium on Logic in Computer Science (LICS)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76880331","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 14

Compositional verification of termination-preserving refinement of concurrent programs 并发程序保终止精化的组合验证

Proceedings of the Joint Meeting of the Twenty-Third EACSL Annual Conference on Computer Science Logic (CSL) and the Twenty-Ninth Annual ACM/IEEE Symposium on Logic in Computer Science (LICS) Pub Date : 2014-07-14 DOI: 10.1145/2603088.2603123

Hongjin Liang, Xinyu Feng, Zhong Shao

引用次数: 35

A type theory for productive coprogramming via guarded recursion 基于保护递归的高效协同编程的类型理论

Proceedings of the Joint Meeting of the Twenty-Third EACSL Annual Conference on Computer Science Logic (CSL) and the Twenty-Ninth Annual ACM/IEEE Symposium on Logic in Computer Science (LICS) Pub Date : 2014-07-14 DOI: 10.1145/2603088.2603132

Rasmus Ejlers Møgelberg

引用次数: 36

Substitution, jumps, and algebraic effects 代换，跳跃和代数效应

Proceedings of the Joint Meeting of the Twenty-Third EACSL Annual Conference on Computer Science Logic (CSL) and the Twenty-Ninth Annual ACM/IEEE Symposium on Logic in Computer Science (LICS) Pub Date : 2014-07-14 DOI: 10.1145/2603088.2603163

M. Fiore, S. Staton

引用次数: 19