Formal verification

This is the general subject of Software Quality Engineering, which is organized into three major topics: Software testing as a primary means to ensure software quality; Other alternatives for quality assurance (QA), including defect prevention, process improvement, inspection, formal verification, fault tolerance, safety assurance, and damage control; Measurement and analysis to close the feedback loop for quality assessment and quantifiable improvement.

441p zizaybay1103 29-05-2024 1 1   Download

Ebook Professional penetration testing creating and operating a formal hacking lab: Part 2 includes contents: Chapter 9: information gathering, chapter 10: vulnerability identification, chapter 11: vulnerability verification, chapter 12: compromising a system and privilege escalation, chapter 13: maintaining access, chapter 14: covering your tracks, chapter 15: reporting results, chapter 16: archiving data, chapter 17: cleaning up your lab, chapter 18: planning for your next pentest.

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Part 2 book "Software engineering - A practitioner's approach" includes content: Quality concepts; review techniques; software quality assurance; software testing strategies; testing conventional applications; testing object oriented applications; testing web applications; formal modeling and verification; software configuration management; product metrics,... and other contents.

505p muasambanhan05 16-01-2024 2 0   Download

In the paper "A verification framework for specification centered developments", we propose a verification framework for specification centered developments. In this framework, we firstly focus on improve the quality of specification then use such high-quality specification to drive the verification of the design and the implementation. This framework could be applied in domain of reactive systems with high automation, adaptation, and practicality.

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In this chapter, the following content will be discussed: Software reliability, what are formal methods? typical situation, some concerns, some exaggerations, the unbearable easiness of grading, different types of software, verification methods,...

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In this chapter, the following content will be discussed: How can we check the model? What properties can we check? How to perform the checking? If it is so good, why learn deductive verification methods? If it is so constrained, is it of any use? Depth first search, start from an initial state, how can we check properties with DFS?...

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Lecture Formal methods in software engineering: Software verification using formal methods. In this chapter, the following content will be discussed: Formal methods in block handler, data invariant, block handler, block handler, selection criteria, formal clean room software engineering,...

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In this chapter, the following content will be discussed: Conditional correctness, weakest pre-condition, broad CAT of statements, assignment axiom, rules for sequential composition, rules for conditional,...

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In this section, we introduce the features of JML as they apply to the formal specification and verification of an individual function, such as the Factorial function that we specified and verified by hand in the previous section. We also show how JML allows us to specify run-time exceptions, providing a more robust vehicle than the pure Hoare triples in a real computational setting where exceptions actually occur.

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Chapter 18b - Formal Methods Tools: JML. In this section, we introduce the features of JML as they apply to the formal specification and verification of an individual function, such as the Factorial function that we specified and verified by hand in the previous section. We also show how JML allows us to specify run-time exceptions, providing a more robust vehicle than the pure Hoare triples in a real computational setting where exceptions actually occur.

21p thiendiadaodien_8 24-02-2019 24 1   Download

This paper proposes an OCL-based framework for model transformations. The formal foundation of the framework is the integration of Triple Graph Grammars and the Object Constraint Language (OCL). The OCL-based transformation framework offers an on-the-fly verification of model transformations and means for transformation quality assurance.

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Bài giảng "Mật mã và ứng dụng: An toàn phần mềm, lỗi phần mềm" cung cấp cho người học các kiến thức: Một số lỗi phần mền thường gặp, các biện pháp an toàn (kiểm thử (Testing), kiểm định hình thức (Formal Verification), lập trình an toàn (Secure Coding)). Mời các bạn cùng tham khảo.

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This work is concerned with the development of instruments for GB parsing. An alternative to the well known indexation system of (Chomsky, 1981) will be proposed and then used to formalize the view of Binding Theory in terms of the generation of constraints on the referential properties of the NPs of a sentence. Finally the problems of verification and satisfiability of BT will be addressed within the proposed framework.

6p buncha_1 08-05-2013 38 3   Download

A framework for a structured representation of semantic knowledge (e.g. word-senses) has been defined at the IBM Scientific Center of Roma, as part of a project on Italian Text Understanding. This representation, based on the conceptual graphs formalism [SOW84], expresses deep knowledge (pragmatic) on word-senses. The knowledge base data structure is such as to provide easy access by the semantic verification algorithm. This paper discusses some important problem related to the definition of a semantic knowledge base, as depth versus generality, hierarchical ordering of concept types, etc.

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Assurance technology: Develop a sound scientific and technological basis, including formal methods and computational frameworks, for assured design, construction, analysis, evaluation, and implementation of reliable, robust, safe, secure, stable, and certifiably dependable systems regardless of size, scale, complexity, and heterogeneity; develop software and system engineering tool capabilities to achieve application and problem domain-based assurance, and broadly embed these capabilities within the system engineering process; reduce the effort, time, and cost of assurance (“aff...

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Specific software programs denoted in the Conformed RFP for use by design are considered validated and do not need to be verified. Upon written request, WSDOT can specify other programs that do not require formal verification. All other commercially available software programs shall be verified and added to the Verified Computer Program Log for the project, as noted below. Verification of Spreadsheets. Internally developed spreadsheets may be used.

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VERIFICATION USING TIMED AUTOMATA Finite automata and temporal logics have been used extensively to formally verify qualitative properties of concurrent systems. The properties include deadlock- or livelock-freedom, the eventual occurrence of an event, and the satisfaction of a predicate. The need to reason with absolute time is unnecessary in these applications, whose correctness depends only on the relative ordering of the associated events and actions.

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ANALYSIS AND VERIFICATION OF NON-REAL-TIME SYSTEMS A great collection of techniques and tools are available for the reasoning, analysis, and verification of non-real-time systems. This chapter explores the basic foundations of these techniques that include symbolic logic, automata, formal languages, and state transition systems. Many analysis and verification techniques for real-time systems are based on these untimed approaches, as we will see in later chapters.

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