Proceedings of the 41st ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages最新文献_第5页

Fair reactive programming 公平响应式规划

Proceedings of the 41st ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages Pub Date : 2014-01-08 DOI: 10.1145/2535838.2535881

Andrew Cave, Francisco Ferreira, P. Panangaden, B. Pientka

{"title":"Fair reactive programming","authors":"Andrew Cave, Francisco Ferreira, P. Panangaden, B. Pientka","doi":"10.1145/2535838.2535881","DOIUrl":"https://doi.org/10.1145/2535838.2535881","url":null,"abstract":"Functional Reactive Programming (FRP) models reactive systems with events and signals, which have previously been observed to correspond to the \"eventually\" and \"always\" modalities of linear temporal logic (LTL). In this paper, we define a constructive variant of LTL with least fixed point and greatest fixed point operators in the spirit of the modal mu-calculus, and give it a proofs-as-programs interpretation as a foundational calculus for reactive programs. Previous work emphasized the propositions-as-types part of the correspondence between LTL and FRP; here we emphasize the proofs-as-programs part by employing structural proof theory. We show that the type system is expressive enough to enforce liveness properties such as the fairness of schedulers and the eventual delivery of results. We illustrate programming in this calculus using (co)iteration operators. We prove type preservation of our operational semantics, which guarantees that our programs are causal. We give also a proof of strong normalization which provides justification that our programs are productive and that they satisfy liveness properties derived from their types.","PeriodicalId":20683,"journal":{"name":"Proceedings of the 41st ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83918966","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: 38

Parametric effect monads and semantics of effect systems 参数效应单体与效应系统的语义

Proceedings of the 41st ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages Pub Date : 2014-01-08 DOI: 10.1145/2535838.2535846

Shin-ya Katsumata

引用次数: 103

A relationally parametric model of dependent type theory 依赖类型理论的关系参数模型

Proceedings of the 41st ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages Pub Date : 2014-01-08 DOI: 10.1145/2535838.2535852

R. Atkey, Neil Ghani, Patricia Johann

{"title":"A relationally parametric model of dependent type theory","authors":"R. Atkey, Neil Ghani, Patricia Johann","doi":"10.1145/2535838.2535852","DOIUrl":"https://doi.org/10.1145/2535838.2535852","url":null,"abstract":"Reynolds' theory of relational parametricity captures the invariance of polymorphically typed programs under change of data representation. Reynolds' original work exploited the typing discipline of the polymorphically typed lambda-calculus System F, but there is now considerable interest in extending relational parametricity to type systems that are richer and more expressive than that of System F. This paper constructs parametric models of predicative and impredicative dependent type theory. The significance of our models is twofold. Firstly, in the impredicative variant we are able to deduce the existence of initial algebras for all indexed=functors. To our knowledge, ours is the first account of parametricity for dependent types that is able to lift the useful deduction of the existence of initial algebras in parametric models of System F to the dependently typed setting. Secondly, our models offer conceptual clarity by uniformly expressing relational parametricity for dependent types in terms of reflexive graphs, which allows us to unify the interpretations of types and kinds, instead of taking the relational interpretation of types as a primitive notion. Expressing our model in terms of reflexive graphs ensures that it has canonical choices for the interpretations of the standard type constructors of dependent type theory, except for the interpretation of the universe of small types, where we formulate a refined interpretation tailored for relational parametricity. Moreover, our reflexive graph model opens the door to generalisations of relational parametricity, for example to higher-dimensional relational parametricity.","PeriodicalId":20683,"journal":{"name":"Proceedings of the 41st ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78854012","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: 64

Parametric completeness for separation theories 分离理论的参数完备性

Proceedings of the 41st ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages Pub Date : 2014-01-08 DOI: 10.1145/2535838.2535844

J. Brotherston, Jules Villard

{"title":"Parametric completeness for separation theories","authors":"J. Brotherston, Jules Villard","doi":"10.1145/2535838.2535844","DOIUrl":"https://doi.org/10.1145/2535838.2535844","url":null,"abstract":"In this paper, we close the logical gap between provability in the logic BBI, which is the propositional basis for separation logic, and validity in an intended class of separation models, as employed in applications of separation logic such as program verification. An intended class of separation models is usually specified by a collection of axioms describing the specific model properties that are expected to hold, which we call a separation theory. Our main contributions are as follows. First, we show that several typical properties of separation theories are not definable in BBI. Second, we show that these properties become definable in a suitable hybrid extension of BBI, obtained by adding a theory of naming to BBI in the same way that hybrid logic extends normal modal logic. The binder-free extension captures most of the properties we consider, and the full extension HyBBI(↓) with the usual ↓ binder of hybrid logic covers all these properties. Third, we present an axiomatic proof system for our hybrid logic whose extension with any set of \"pure\" axioms is sound and complete with respect to the models satisfying those axioms. As a corollary of this general result, we obtain, in a parametric manner, a sound and complete axiomatic proof system for any separation theory from our considered class. To the best of our knowledge, this class includes all separation theories appearing in the published literature.","PeriodicalId":20683,"journal":{"name":"Proceedings of the 41st ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73502774","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: 40

Authenticated data structures, generically 一般来说，经过身份验证的数据结构

Proceedings of the 41st ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages Pub Date : 2014-01-08 DOI: 10.1145/2535838.2535851

Andrew K. Miller, M. Hicks, Jonathan Katz, E. Shi

{"title":"Authenticated data structures, generically","authors":"Andrew K. Miller, M. Hicks, Jonathan Katz, E. Shi","doi":"10.1145/2535838.2535851","DOIUrl":"https://doi.org/10.1145/2535838.2535851","url":null,"abstract":"An authenticated data structure (ADS) is a data structure whose operations can be carried out by an untrusted prover, the results of which a verifier can efficiently check as authentic. This is done by having the prover produce a compact proof that the verifier can check along with each operation's result. ADSs thus support outsourcing data maintenance and processing tasks to untrusted servers without loss of integrity. Past work on ADSs has focused on particular data structures (or limited classes of data structures), one at a time, often with support only for particular operations. This paper presents a generic method, using a simple extension to a ML-like functional programming language we call λ• (lambda-auth), with which one can program authenticated operations over any data structure defined by standard type constructors, including recursive types, sums, and products. The programmer writes the data structure largely as usual and it is compiled to code to be run by the prover and verifier. Using a formalization of λ• we prove that all well-typed λ• programs result in code that is secure under the standard cryptographic assumption of collision-resistant hash functions. We have implemented λ• as an extension to the OCaml compiler, and have used it to produce authenticated versions of many interesting data structures including binary search trees, red-black+ trees, skip lists, and more. Performance experiments show that our approach is efficient, giving up little compared to the hand-optimized data structures developed previously.","PeriodicalId":20683,"journal":{"name":"Proceedings of the 41st ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72762028","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: 79

Tracing compilation by abstract interpretation 通过抽象解释跟踪编译

Proceedings of the 41st ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages Pub Date : 2014-01-08 DOI: 10.1145/2535838.2535866

Stefano Dissegna, F. Logozzo, Francesco Ranzato

{"title":"Tracing compilation by abstract interpretation","authors":"Stefano Dissegna, F. Logozzo, Francesco Ranzato","doi":"10.1145/2535838.2535866","DOIUrl":"https://doi.org/10.1145/2535838.2535866","url":null,"abstract":"Tracing just-in-time compilation is a popular compilation schema for the efficient implementation of dynamic languages, which is commonly used for JavaScript, Python, and PHP. It relies on two key ideas. First, it monitors the execution of the program to detect so-called hot paths, i.e., the most frequently executed paths. Then, it uses some store information available at runtime to optimize hot paths. The result is a residual program where the optimized hot paths are guarded by sufficient conditions ensuring the equivalence of the optimized path and the original program. The residual program is persistently mutated during its execution, e.g., to add new optimized paths or to merge existing paths. Tracing compilation is thus fundamentally different than traditional static compilation. Nevertheless, despite the remarkable practical success of tracing compilation, very little is known about its theoretical foundations. We formalize tracing compilation of programs using abstract interpretation. The monitoring (viz., hot path detection) phase corresponds to an abstraction of the trace semantics that captures the most frequent occurrences of sequences of program points together with an abstraction of their corresponding stores, e.g., a type environment. The optimization (viz., residual program generation) phase corresponds to a transform of the original program that preserves its trace semantics up to a given observation as modeled by some abstraction. We provide a generic framework to express dynamic optimizations and to prove them correct. We instantiate it to prove the correctness of dynamic type specialization. We show that our framework is more general than a recent model of tracing compilation introduced in POPL~2011 by Guo and Palsberg (based on operational bisimulations). In our model we can naturally express hot path reentrance and common optimizations like dead-store elimination, which are either excluded or unsound in Guo and Palsberg's framework.","PeriodicalId":20683,"journal":{"name":"Proceedings of the 41st ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74013327","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

A constraint-based approach to solving games on infinite graphs 基于约束的无限图博弈求解方法

Proceedings of the 41st ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages Pub Date : 2014-01-08 DOI: 10.1145/2535838.2535860

Tewodros A. Beyene, Swarat Chaudhuri, C. Popeea, A. Rybalchenko

{"title":"A constraint-based approach to solving games on infinite graphs","authors":"Tewodros A. Beyene, Swarat Chaudhuri, C. Popeea, A. Rybalchenko","doi":"10.1145/2535838.2535860","DOIUrl":"https://doi.org/10.1145/2535838.2535860","url":null,"abstract":"We present a constraint-based approach to computing winning strategies in two-player graph games over the state space of infinite-state programs. Such games have numerous applications in program verification and synthesis, including the synthesis of infinite-state reactive programs and branching-time verification of infinite-state programs. Our method handles games with winning conditions given by safety, reachability, and general Linear Temporal Logic (LTL) properties. For each property class, we give a deductive proof rule that --- provided a symbolic representation of the game players --- describes a winning strategy for a particular player. Our rules are sound and relatively complete. We show that these rules can be automated by using an off-the-shelf Horn constraint solver that supports existential quantification in clause heads. The practical promise of the rules is demonstrated through several case studies, including a challenging \"Cinderella-Stepmother game\" that allows infinite alternation of discrete and continuous choices by two players, as well as examples derived from prior work on program repair and synthesis.","PeriodicalId":20683,"journal":{"name":"Proceedings of the 41st ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76016603","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: 88

Probabilistic relational verification for cryptographic implementations 密码实现的概率关系验证

Proceedings of the 41st ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages Pub Date : 2014-01-08 DOI: 10.1145/2535838.2535847

G. Barthe, C. Fournet, B. Grégoire, Pierre-Yves Strub, N. Swamy, Santiago Zanella Béguelin

{"title":"Probabilistic relational verification for cryptographic implementations","authors":"G. Barthe, C. Fournet, B. Grégoire, Pierre-Yves Strub, N. Swamy, Santiago Zanella Béguelin","doi":"10.1145/2535838.2535847","DOIUrl":"https://doi.org/10.1145/2535838.2535847","url":null,"abstract":"Relational program logics have been used for mechanizing formal proofs of various cryptographic constructions. With an eye towards scaling these successes towards end-to-end security proofs for implementations of distributed systems, we present RF*, a relational extension of F*, a general-purpose higher-order stateful programming language with a verification system based on refinement types. The distinguishing feature of F* is a relational Hoare logic for a higher-order, stateful, probabilistic language. Through careful language design, we adapt the F* typechecker to generate both classic and relational verification conditions, and to automatically discharge their proofs using an SMT solver. Thus, we are able to benefit from the existing features of F*, including its abstraction facilities for modular reasoning about program fragments. We evaluate RF* experimentally by programming a series of cryptographic constructions and protocols, and by verifying their security properties, ranging from information flow to unlinkability, integrity, and privacy. Moreover, we validate the design of RF* by formalizing in Coq a core probabilistic λ calculus and a relational refinement type system and proving the soundness of the latter against a denotational semantics of the probabilistic lambda λ calculus.","PeriodicalId":20683,"journal":{"name":"Proceedings of the 41st ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76544968","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: 103

A type-directed abstraction refinement approach to higher-order model checking 用于高阶模型检查的面向类型的抽象细化方法

Proceedings of the 41st ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages Pub Date : 2014-01-08 DOI: 10.1145/2535838.2535873

S. Ramsay, R. Neatherway, C. Ong

{"title":"A type-directed abstraction refinement approach to higher-order model checking","authors":"S. Ramsay, R. Neatherway, C. Ong","doi":"10.1145/2535838.2535873","DOIUrl":"https://doi.org/10.1145/2535838.2535873","url":null,"abstract":"The trivial-automaton model checking problem for higher-order recursion schemes has become a widely studied object in connection with the automatic verification of higher-order programs. The problem is formidably hard: despite considerable progress in recent years, no decision procedures have been demonstrated to scale robustly beyond recursion schemes that comprise more than a few hundred rewrite rules. We present a new, fixed-parameter polynomial time algorithm, based on a novel, type directed form of abstraction refinement in which behaviours of a scheme are distinguished by the abstraction according to the intersection types that they inhabit (the properties that they satisfy). Unlike other intersection type approaches, our algorithm reasons both about acceptance by the property automaton and acceptance by its dual, simultaneously, in order to minimize the amount of work done by converging on the solution to a problem instance from both sides. We have constructed Preface, a prototype implementation of the algorithm, and assembled an extensive body of evidence to demonstrate empirically that the algorithm readily scales to recursion schemes of several thousand rules, well beyond the capabilities of current state-of-the-art higher-order model checkers.","PeriodicalId":20683,"journal":{"name":"Proceedings of the 41st ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78731044","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: 53

Backpack: retrofitting Haskell with interfaces 背包:用接口改造Haskell

Proceedings of the 41st ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages Pub Date : 2014-01-08 DOI: 10.1145/2535838.2535884

S. Kilpatrick, Derek Dreyer, S. Jones, S. Marlow

{"title":"Backpack: retrofitting Haskell with interfaces","authors":"S. Kilpatrick, Derek Dreyer, S. Jones, S. Marlow","doi":"10.1145/2535838.2535884","DOIUrl":"https://doi.org/10.1145/2535838.2535884","url":null,"abstract":"Module systems like that of Haskell permit only a weak form of modularity in which module implementations depend directly on other implementations and must be processed in dependency order. Module systems like that of ML, on the other hand, permit a stronger form of modularity in which explicit interfaces express assumptions about dependencies, and each module can be typechecked and reasoned about independently. In this paper, we present Backpack, a new language for building separately-typecheckable *packages* on top of a weak module system like Haskell's. The design of Backpack is inspired by the MixML module calculus of Rossberg and Dreyer, but differs significantly in detail. Like MixML, Backpack supports explicit interfaces and recursive linking. Unlike MixML, Backpack supports a more flexible applicative semantics of instantiation. Moreover, its design is motivated less by foundational concerns and more by the practical concern of integration into Haskell, which has led us to advocate simplicity---in both the syntax and semantics of Backpack---over raw expressive power. The semantics of Backpack packages is defined by elaboration to sets of Haskell modules and binary interface files, thus showing how Backpack maintains interoperability with Haskell while extending it with separate typechecking. Lastly, although Backpack is geared toward integration into Haskell, its design and semantics are largely agnostic with respect to the details of the underlying core language.","PeriodicalId":20683,"journal":{"name":"Proceedings of the 41st ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79030192","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: 12