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arXiv 2021年

作者： Cheptsov, Vitaly Khoroshilov, Alexey Ivannikov Institute for System Programming of the Russian Academy of Sciences Higher School of Economics Moscow Russia

Existing standards for airborne-embedded software systems impose a number of requirements applicable to the software development cycle of hard real-time operating systems found in modern aircraft. The measures taken are meant to reduce the risks of undesired consequences, but have strongly varying costs. Dynamic instrumentation and static analysis are common practices used to automatically find software defects, from strictly non-conforming code constructions to memory corruptions or invalid control flow. LLVM analyser and sanitizer infrastructure, while regularly applied to general-purpose software, originally was not thought to be introduced to heavily restricted environments. In this paper we discuss the specifics of airborne systems with regards to dynamic instrumentation and provide practical considerations to be taken into account for the effective use of general-purpose instrumentation tools. We bring a complete LLVM stack support to JetOS, a prospective onboard real-time operating system currently being developed at ISP RAS in collaboration with GosNIIAS. As an example, we port AddressSanitizer, MemorySanitizer, and UndefinedBehaviorSanitizer and provide the details against the caveats on all relevant sides: a sanitizer, a compiler, and an operating system. In addition we suggest uninvolved optimisations and enhancements to the runtimes to maximise the effects of the tools. Copyright © 2021, The Authors. All rights reserved.

关键词： Real time systems

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Cross-platform graphics subsystem for an ARINC 653-compatible real-time operating system

arXiv

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arXiv 2021年

作者： Raenchuk, Maksim Cheptsov, Vitaly Khoroshilov, Alexey Ivannikov Institute for System Programming Moscow Russia Lomonosov Moscow State University Moscow Russia

In the development of modern cockpits, there is a trend towards the use of large displays that combine information about air navigation and the status of aircraft equipment. Flight and equipment performance information generated by multiple flight control systems should be graphically displayed in an easy-to-read form on widescreen multifunction displays. It is usually generated by independent systems whose output must not interfere with each other in accordance with the requirements of the ARINC 653 standard. This paper presents a solution to the problem of displaying ARINC 653 applications, which further improves security and portability, when running multiple applications on a single screen of one physical device. Copyright © 2021, The Authors. All rights reserved.

关键词： Real time systems

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Exception Analysis for Errors Detection in the SharpChecker Static Analyzer for C#

Exception Analysis for Errors Detection in the SharpChecker ...

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Ivannikov ISPRAS Open Conference (ISPRAS)

作者： Mikhail Belyaev Valery Ignatyev Ivannikov Institute for System Programming of the Russian Academy of Sciences (ISP RAS) Moscow Russian Federation

ISBN: (纸本)9781665423311

Exception handling is a widely used runtime error management method in object-oriented languages, especially C#, where it is deeply embedded in the standard library (CoreFX). Accurate and efficient exception analysis is an important requirement for an industrial-level static analyzer. We propose a novel approach to manage exceptions while performing static symbolic execution of C# programs, which is able to process the newest features of the language, such as catch filters. In contrast to the approaches implemented in other static analysis tools, it is much more accurate, because it is path-sensitive thanks to consideration of exception conditions, field- and object-sensitive thanks to the representation of separate exceptions and its fields with distinct symbolic values. We evaluate our approach on a large set of open source projects having 4.2 mln LOC and nearly 2000 reviewed warnings of different types.

关键词： Runtime Costs Static analysis Maintenance engineering Libraries C# languages Standards

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Ontological Approach to the Formal Specification of the Standard Life Cycle

Ontological Approach to the Formal Specification of the Stan...

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Science and Information Conference

作者： Ekaterina Lavrishcheva Software Engineering Department Institute for System Programming of the RAS Prof. MIPT Moscow Russia

ISBN: (纸本)9781479985487

Approach is offered to the formal specification of Standard Life Cycle (LC) of the program systems (PS) by the ontology facilities with purpose automation and generation of the variants LC for making the appropriate kinds process for development different PS. Ontological approach to presentation LC model of the standard ISO/IEC 12207-2007 is included the specification of general, organizational and support processes. These processes are presented in the subject-oriented DSL, which than transformed to XML for realization. One of the processes, the testing process is given in terms of Protégé systems. An eventual result of this system Protégé got generally at accepted to the XML, suitable for implementation tasks testing PS on computer.

关键词： ontology the life cycle standard model of life cycle processes actions task testing DSL description Protégé XML

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User Defined Checkers for Static Analysis with Symbolic Execution

User Defined Checkers for Static Analysis with Symbolic Exec...

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Ivannikov Memorial Workshop (IVMEM)

作者： Artemiy Galustov Alexey Borodin Ivannikov Institute for System Programming of the RAS Russia Lomonosov Moscow State University Moscow Russia

ISBN: (数字)9798331504663

ISBN: (纸本)9798331504670

Many modern static analysis tools provide toolkits that allow creation of custom checkers by end users. The majority of existing solutions choose AST-based approaches to provide a simpler declarative API. Solutions based on dataflow analysis or symbolic execution use complex explicit APIs that require much more expertise to achieve decent results compared to AST-based checkers. Even though the latter approach is much more powerful simplicity of the former made it much more *** this paper we introduce SvaceAPI a tool to write checkers based on symbolic execution in a declarative way. We describe a simple pattern-based API that leverages symbolic execution and attributes provided by Svace. Testing the API on a couple of checkers and open source programs across the variety of languages showed the same quality results as for built-in Svace checkers without noticeable performance regressions.

关键词： Java Conferences Static analysis Detectors C++ languages Testing Python

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Speed of convergence in the Central Limit Theorem for the determinantal point process with the Bessel kernel

arXiv

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arXiv 2024年

作者： Gorbunov, Sergei M. Moscow Institute of Physics and Technology Dolgoprudny Russia Institute for System Programming The Russian Academy of Sciences Moscow Russia

We consider a family of linear operators, diagonalized by the Hankel transform. The Fredholm determinants of these operators, restricted to L2[0, R], are expressed in a convenient form for asymptotic analysis as R → ∞. The result is an identity, in which the determinant is equal to the leading asymptotic multiplied by an asymptotically small factor, for which an explicit formula is derived. We apply the result to the determinantal point process with the Bessel kernel, calculating the speed of the convergence of additive functionals with respect to the Kolmogorov-Smirnov *** Codes 47B35 (Primary) 60G55 (Secondary) Copyright © 2024, The Authors. All rights reserved.

关键词： Asymptotic analysis

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The Algorithm of the Path Length Optimization on the Polyhedron Surface 49th

The Algorithm of the Path Length Optimization on the Pol...

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Advanced Problem in Mechanics III - Proceedings of the 49th International Summer School-Conference "Advanced Problems in Mechanics", 2021

作者： Gumirova, Alia Marchevsky, Ilia Safronov, Yurii Bauman Moscow State Technical University 2-nd Baumanskaya st. 5 Moscow105005 Russia Ivannikov Institute for System Programming of the RAS Al. Solzhenitsyn st. 25 Moscow109004 Russia

ISBN: (纸本)9783031372452

Finding a short path between two given points lying on the polyhedron is an actual problem arising in various applications in science and technology;polyhedron faces without any restrictions can be considered triangular. An algorithm for the shortest pathfinding is suggested that uses Dijkstra’s algorithm for the first (coarse) approximation. This path is split into parts consist of two segments. The positions of the middle nodes are optimized and they are placed on the corresponding edges of the polyhedron such as to provide a minimal length of each part. Then a similar procedure is performed once again, but the path is split into parts with the shift by one section. Thus, the positions are optimized for the nodes that have been fixed in the previous step. Such an algorithm is rather fast and it allows for a finding of an optimized path without "steep kinks" on a polyhedral surface, which is not optimal in the mathematical sense but is usually suitable for solving a number of applied problems. Further steps of optimization are based on the layouts considering and allow to achieve the exact solution of the problem. © 2023, The Author(s), under exclusive license to Springer Nature Switzerland AG.

关键词： Approximation algorithms

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Cross-platform graphics subsystem for an ARINC 653-compatible real-time operating system

Cross-platform graphics subsystem for an ARINC 653-compatibl...

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Ivannikov ISPRAS Open Conference (ISPRAS)

作者： Maksim Raenchuk Vitaly Cheptsov Alexey Khoroshilov Ivannikov Institute for System Programming Moscow Russia Lomonosov Moscow State University Moscow Russia

ISBN: (纸本)9781665423311

关键词： Operating systems Rendering (computer graphics) Aircraft navigation Real-time systems Safety Servers Software measurement

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A Case Study of Valency Patterns for Motion Verbs in Vakh Khanty by Means of Lingvodoc

A Case Study of Valency Patterns for Motion Verbs in Vakh Kh...

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2022 Ivannikov Open Conference, ISPRAS 2022

作者： Novitskaya, Irina Vorobeva, Victoria National Research Tomsk State University Department of Foreign Languages Tomsk Russia Ivannikov Institute for System Programming of the Ras Information Systems Department Tomsk Moscow Russia Tpu Information Systems Department Tomsk Moscow Russia

ISBN: (纸本)9798350398533

The article presents a study of the syntactic compatibility of verbs of motion in the Vakh dialect of the Khanty language. The study was conducted with the help of the tools of the platform for documentation of the Uralic languages Lingvodoc. The purpose of the article is to describe patterns of syntactic valency that Vakh Khanty verbs of motion have. © 2022 IEEE.

关键词： Syntactics

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Method of Activity of Intelligent Agent for Semantic Analysis of Software Requirements

Method of Activity of Intelligent Agent for Semantic Analysi...

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IEEE International Conference on Intelligent Data Acquisition and Advanced Computing systems

作者： Olga Pavlova Tetiana Hovorushchenko Artem Boyarchuk System Programming Department of Khmelnytsky National University Computer Engineering & System Programming Department of Khmelnytsky National University Lecturer of Computer Systems Networks and Cybersecurity Department of National Aerospace University "Kharkiv Aviation Institute"

ISBN: (纸本)9781728140704

The paper deals with the development of the method of activity and the realization of the intelligent agent (IA) for semantic analysis of the natural language software requirements. This IA performs the analysis of the requirements, determines the number and percentage of missing indicators for determining the metrics of complexity and quality of software, displays which indicators are missing for each metric, and also forms the real ontology of the domain "Software Engineering" (part "Quality and complexity of software. Metric analysis"). During an experiment, which is conducted with the help of the realized IA, the semantic analysis of requirements for the Internet of Things (IoT)-system was performed. Such analysis provides an increase of the volume and ensures of the sufficiency of metric information in the software requirements, which, in turn, provides an improvement in the quality of the software of IoT-system.

关键词： Natural language software requirements Semantic analysis Intelligent agent (IA) Ontology-based intelligent agent (OBIA) Internet of things (IoT)-system software requirements Intelligent agents Semantics Metronidazole activity INFORMATION ASSURANCE Metric computer software

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