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Formal Verification

Formal Verification Book
Author : Erik Seligman,Tom Schubert,M V Achutha Kiran Kumar
Publisher : Morgan Kaufmann
Release : 2015-07-24
ISBN : 0128008156
Language : En, Es, Fr & De

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Book Description :

Formal Verification: An Essential Toolkit for Modern VLSI Design presents practical approaches for design and validation, with hands-on advice to help working engineers integrate these techniques into their work. Formal Verification (FV) enables a designer to directly analyze and mathematically explore the quality or other aspects of a Register Transfer Level (RTL) design without using simulations. This can reduce time spent validating designs and more quickly reach a final design for manufacturing. Building on a basic knowledge of SystemVerilog, this book demystifies FV and presents the practical applications that are bringing it into mainstream design and validation processes at Intel and other companies. After reading this book, readers will be prepared to introduce FV in their organization and effectively deploy FV techniques to increase design and validation productivity. Learn formal verification algorithms to gain full coverage without exhaustive simulation Understand formal verification tools and how they differ from simulation tools Create instant test benches to gain insight into how models work and find initial bugs Learn from Intel insiders sharing their hard-won knowledge and solutions to complex design problems

Advanced Formal Verification

Advanced Formal Verification Book
Author : Rolf Drechsler
Publisher : Springer Science & Business Media
Release : 2007-05-08
ISBN : 1402025300
Language : En, Es, Fr & De

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Book Description :

Advanced Formal Verification shows the latest developments in the verification domain from the perspectives of the user and the developer. World leading experts describe the underlying methods of today's verification tools and describe various scenarios from industrial practice. In the first part of the book the core techniques of today's formal verification tools, such as SAT and BDDs are addressed. In addition, multipliers, which are known to be difficult, are studied. The second part gives insight in professional tools and the underlying methodology, such as property checking and assertion based verification. Finally, analog components have to be considered to cope with complete system on chip designs.

Guidelines for Formal Verification Systems

Guidelines for Formal Verification Systems Book
Author : N.A
Publisher :
Release : 1989
ISBN :
Language : En, Es, Fr & De

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Book Description :

"This document explains the requirements for formal verification systems that are candidates for the NCSC's Endorsed Tools List (ETL). This document is primarily intended for developers of verification systems to use in the development of production-quality formal verification systems. It explains the requirements and the process used to evaluate formal verification systems submitted to the NCSC for endorsement."--DTIC.

Guidelines for Formal Verification Systems

Guidelines for Formal Verification Systems Book
Author : Barbara Mayer,Monica McGill Lu
Publisher : DIANE Publishing
Release : 1989-06
ISBN : 9780788105524
Language : En, Es, Fr & De

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Book Description :

Explains the requirements for formal verification systems. Primarily intended for developers of verification systems to use in the development of production-quality formal verification systems. Explains the requirements and the process used to evaluate formal verification systems. Includes: evaluation approach, methodology and system specification, and implementation and other support factors. Glossary and bibliography.

Scalable Techniques for Formal Verification

Scalable Techniques for Formal Verification Book
Author : Sandip Ray
Publisher : Springer Science & Business Media
Release : 2010-08-12
ISBN : 1441960066
Language : En, Es, Fr & De

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Book Description :

This book is about formal veri?cation, that is, the use of mathematical reasoning to ensure correct execution of computing systems. With the increasing use of c- puting systems in safety-critical and security-critical applications, it is becoming increasingly important for our well-being to ensure that those systems execute c- rectly. Over the last decade, formal veri?cation has made signi?cant headway in the analysis of industrial systems, particularly in the realm of veri?cation of hardware. A key advantage of formal veri?cation is that it provides a mathematical guarantee of their correctness (up to the accuracy of formal models and correctness of r- soning tools). In the process, the analysis can expose subtle design errors. Formal veri?cation is particularly effective in ?nding corner-case bugs that are dif?cult to detect through traditional simulation and testing. Nevertheless, and in spite of its promise, the application of formal veri?cation has so far been limited in an ind- trial design validation tool ?ow. The dif?culties in its large-scale adoption include the following (1) deductive veri?cation using theorem provers often involves - cessive and prohibitive manual effort and (2) automated decision procedures (e. g. , model checking) can quickly hit the bounds of available time and memory. This book presents recent advances in formal veri?cation techniques and d- cusses the applicability of the techniques in ensuring the reliability of large-scale systems. We deal with the veri?cation of a range of computing systems, from - quential programsto concurrentprotocolsand pipelined machines.

SAT Based Scalable Formal Verification Solutions

SAT Based Scalable Formal Verification Solutions Book
Author : Malay Ganai,Aarti Gupta
Publisher : Springer Science & Business Media
Release : 2007-05-26
ISBN : 0387691677
Language : En, Es, Fr & De

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Book Description :

This book provides an engineering insight into how to provide a scalable and robust verification solution with ever increasing design complexity and sizes. It describes SAT-based model checking approaches and gives engineering details on what makes model checking practical. The book brings together the various SAT-based scalable emerging technologies and techniques covered can be synergistically combined into a scalable solution.

Applied Formal Verification

Applied Formal Verification Book
Author : Douglas L. Perry,Harry Foster
Publisher : McGraw Hill Professional
Release : 2005-05-10
ISBN : 0071588892
Language : En, Es, Fr & De

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Book Description :

Formal verification is a powerful new digital design method. In this cutting-edge tutorial, two of the field's best known authors team up to show designers how to efficiently apply Formal Verification, along with hardware description languages like Verilog and VHDL, to more efficiently solve real-world design problems. Contents: Simulation-Based Verification * Introduction to Formal Techniques * Contrasting Simulation vs. Formal Techniques * Developing a Formal Test Plan * Writing High-Level Requirements * Proving High-Level Requirements * System Level Simulation * Design Example * Formal Test Plan * Final System Simulation

On the Formal Verification of Conflict Detection Algorithms

On the Formal Verification of Conflict Detection Algorithms Book
Author : César Muñoz
Publisher :
Release : 2001
ISBN :
Language : En, Es, Fr & De

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Book Description :

Safety assessment of new air traffic management systems is a main issue for civil aviation authorities. Standard techniques such as testing and simulation have serious limitations in new systems that are significantly more autonomous than the older ones. This paper presents an innovative approach, based on formal verification, for establishing the correctness of conflict detection systems. Fundamental is the concept of trajectory, which is a continuous path in the x-y plane constrained by physical laws and operational requirements. From the Model of trajectories, the authors extract, and formally prove, high level properties that can serve as a framework to analyze conflict scenarios. They use the AILS alerting algorithm as a case study.

Formal Verification of Control System Software

Formal Verification of Control System Software Book
Author : Pierre-Loïc Garoche
Publisher : Princeton University Press
Release : 2019-05-14
ISBN : 0691189587
Language : En, Es, Fr & De

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Book Description :

An essential introduction to the analysis and verification of control system software The verification of control system software is critical to a host of technologies and industries, from aeronautics and medical technology to the cars we drive. The failure of controller software can cost people their lives. In this authoritative and accessible book, Pierre-Loïc Garoche provides control engineers and computer scientists with an indispensable introduction to the formal techniques for analyzing and verifying this important class of software. Too often, control engineers are unaware of the issues surrounding the verification of software, while computer scientists tend to be unfamiliar with the specificities of controller software. Garoche provides a unified approach that is geared to graduate students in both fields, covering formal verification methods as well as the design and verification of controllers. He presents a wealth of new verification techniques for performing exhaustive analysis of controller software. These include new means to compute nonlinear invariants, the use of convex optimization tools, and methods for dealing with numerical imprecisions such as floating point computations occurring in the analyzed software. As the autonomy of critical systems continues to increase—as evidenced by autonomous cars, drones, and satellites and landers—the numerical functions in these systems are growing ever more advanced. The techniques presented here are essential to support the formal analysis of the controller software being used in these new and emerging technologies.

Formal Verification of Simulink Stateflow Diagrams

Formal Verification of Simulink Stateflow Diagrams Book
Author : Naijun Zhan,Shuling Wang,Hengjun Zhao
Publisher : Springer
Release : 2016-11-07
ISBN : 3319470167
Language : En, Es, Fr & De

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Book Description :

This book presents a state-of-the-art technique for formal verification of continuous-time Simulink/Stateflow diagrams, featuring an expressive hybrid system modelling language, a powerful specification logic and deduction-based verification approach, and some impressive, realistic case studies. Readers will learn the HCSP/HHL-based deductive method and the use of corresponding tools for formal verification of Simulink/Stateflow diagrams. They will also gain some basic ideas about fundamental elements of formal methods such as formal syntax and semantics, and especially the common techniques applied in formal modelling and verification of hybrid systems. By investigating the successful case studies, readers will realize how to apply the pure theory and techniques to real applications, and hopefully will be inspired to start to use the proposed approach, or even develop their own formal methods in their future work.

Symbolic Simulation Methods for Industrial Formal Verification

Symbolic Simulation Methods for Industrial Formal Verification Book
Author : Robert B. Jones
Publisher : Springer Science & Business Media
Release : 2012-12-06
ISBN : 1461511011
Language : En, Es, Fr & De

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Book Description :

This volume contains two distinct, but related, approaches to the verification problem, both based on symbolic simulation. It describes new ideas that enable the use of formal methods, specifically symbolic simulation, in validating commercial hardware designs of remarkable complexity.

Formal Verification of Circuits

Formal Verification of Circuits Book
Author : Rolf Drechsler
Publisher : Springer Science & Business Media
Release : 2013-03-09
ISBN : 1475731841
Language : En, Es, Fr & De

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Book Description :

Formal verification has become one of the most important steps in circuit design. Since circuits can contain several million transistors, verification of such large designs becomes more and more difficult. Pure simulation cannot guarantee the correct behavior and exhaustive simulation is often impossible. However, many designs, like ALUs, have very regular structures that can be easily described at a higher level of abstraction. For example, describing (and verifying) an integer multiplier at the bit-level is very difficult, while the verification becomes easy when the outputs are grouped to build a bit-string. Recently, several approaches for formal circuit verification have been proposed that make use of these regularities. These approaches are based on Word-Level Decision Diagrams (WLDDs) which are graph-based representations of functions (similar to BDDs) that allow for the representation of functions with a Boolean range and an integer domain. Formal Verification of Circuits is devoted to the discussion of recent developments in the field of decision diagram-based formal verification. Firstly, different types of decision diagrams (including WLDDs) are introduced and theoretical properties are discussed that give further insight into the data structure. Secondly, implementation and minimization concepts are presented. Applications to arithmetic circuit verification and verification of designs specified by hardware description languages are described to show how WLDDs work in practice. Formal Verification of Circuits is intended for CAD developers and researchers as well as designers using modern verification tools. It will help people working with formal verification (in industry or academia) to keep informed about recent developments in this area.

Formal Verification of Floating Point Hardware Design

Formal Verification of Floating Point Hardware Design Book
Author : David M. Russinoff
Publisher : Springer
Release : 2018-10-13
ISBN : 3319955136
Language : En, Es, Fr & De

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Book Description :

This is the first book to focus on the problem of ensuring the correctness of floating-point hardware designs through mathematical methods. Formal Verification of Floating-Point Hardware Design advances a verification methodology based on a unified theory of register-transfer logic and floating-point arithmetic that has been developed and applied to the formal verification of commercial floating-point units over the course of more than two decades, during which the author was employed by several major microprocessor design companies. The book consists of five parts, the first two of which present a rigorous exposition of the general theory based on the first principles of arithmetic. Part I covers bit vectors and the bit manipulation primitives, integer and fixed-point encodings, and bit-wise logical operations. Part II addresses the properties of floating-point numbers, the formats in which they are encoded as bit vectors, and the various modes of floating-point rounding. In Part III, the theory is extended to the analysis of several algorithms and optimization techniques that are commonly used in commercial implementations of elementary arithmetic operations. As a basis for the formal verification of such implementations, Part IV contains high-level specifications of correctness of the basic arithmetic instructions of several major industry-standard floating-point architectures, including all details pertaining to the handling of exceptional conditions. Part V illustrates the methodology, applying the preceding theory to the comprehensive verification of a state-of-the-art commercial floating-point unit. All of these results have been formalized in the logic of the ACL2 theorem prover and mechanically checked to ensure their correctness. They are presented here, however, in simple conventional mathematical notation. The book presupposes no familiarity with ACL2, logic design, or any mathematics beyond basic high school algebra. It will be of interest to verification engineers as well as arithmetic circuit designers who appreciate the value of a rigorous approach to their art, and is suitable as a graduate text in computer arithmetic.

Formal Verification of Object Oriented Software

Formal Verification of Object Oriented Software Book
Author : Bernhard Beckert,Claude Marché
Publisher : Springer Science & Business Media
Release : 2011-01-14
ISBN : 3642180698
Language : En, Es, Fr & De

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Book Description :

This book presents the thoroughly refereed post-conference proceedings of the International Conference on Formal Verification of Object-Oriented Software, FoVeOOS 2010, held in Paris, France, in June 2010 - organised by COST Action IC0701. The 11 revised full papers presented together with 2 invited talks were carefully reviewed and selected from 21 submissions. Formal software verification has outgrown the area of academic case studies, and industry is showing serious interest. The logical next goal is the verification of industrial software products. Most programming languages used in industrial practice are object-oriented, e.g. Java, C++, or C#. FoVeOOS 2010 aimed to foster collaboration and interactions among researchers in this area.

A Comparative Study of Formal Verification Techniques For Authentication Protocols

A Comparative Study of Formal Verification Techniques For Authentication Protocols Book
Author : Hernan Miguel Palombo
Publisher :
Release : 2015
ISBN :
Language : En, Es, Fr & De

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Book Description :

Protocol verification is an exciting area of network security that intersects engineering and formal methods. This thesis presents a comparison of formal verification tools for se- curity protocols for their respective strengths and weaknesses supported by the results from several case studies. The formal verification tools considered are based on explicit model checking (SPIN), symbolic analysis (Proverif) and theorem proving (Coq). We formalize and provide models of several well-known authentication and key-establishment protocols in each of the specification languages, and use the tools to find attacks that show protocols insecurity. We contrast the modelling process on each of the tools by comparing features of their modelling languages, verification efforts involved, and analysis results. Our results show that authentication and key-establishment protocols can be specified in Coq's modeling language with an unbounded number of sessions and message space. However, proofs in Coq require human guidance. SPIN runs automated verification with a restricted version of the Dolev-Yao attacker model. Proverif has several advantages over SPIN and Coq: a tailored specification language, and better performance on infinite state space analysis.

Introduction to Formal Hardware Verification

Introduction to Formal Hardware Verification Book
Author : Thomas Kropf
Publisher : Springer Science & Business Media
Release : 1999-10-16
ISBN : 9783540654452
Language : En, Es, Fr & De

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Book Description :

This advanced textbook presents an almost complete overview of techniques for hardware verification. It covers all approaches used in existing tools, such as binary and word-level decision diagrams, symbolic methods for equivalence and temporal logic model checking, and introduces the use of higher-order logic theorem proving for verifying circuit correctness. Each chapter contains an introduction and a summary as well as a section for the advanced reader, aiding an understanding of the advantages and limitations of each technique. Backed by many examples and illustrations, this text will appeal to a broad audience, from beginners in system design to experts. XXXXXXX Neuer Text This is a complete overview of existing techniques for hardware verification. It covers all approaches used in existing verification tools, such as symbolic methods for equivalence checking, temporal logic model checking, and higher-order logic theorem proving for verifying circuit correctness. The book helps readers to understand the advantages and limitations of each technique. Each chapter contains a summary as well as a section for the advanced reader.