Formal Verification Of Digital Circuits Using Symbolic Ternary System Models
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Formal Verification Of Digital Circuits Using Symbolic Ternary System Models
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Author : R. E. Bryant
language : en
Publisher:
Release Date : 1990
Formal Verification Of Digital Circuits Using Symbolic Ternary System Models written by R. E. Bryant and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Computer input-output equipment categories.
Abstract: "Formal hardware verification based on ternary digital system modeling uses a third value X to indicate an unknown or indeterminate condition. In our methodology, the desired behavior of the circuit is expressed as assertions in a notation using a combination of Boolean expressions and temporal logic operators. An assertion is verified by translating it into a sequence of patterns and checks for a ternary symbolic simulator. This methodology has been used to verify a number of full scale circuit designs."
Digital System Verification
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Author : Lun Li
language : en
Publisher: Springer
Release Date : 2010-02-18
Digital System Verification written by Lun Li and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-02-18 with Technology & Engineering categories.
Integrated circuit capacity follows Moore's law, and chips are commonly produced at the time of this writing with over 70 million gates per device. Ensuring correct functional behavior of such large designs before fabrication poses an extremely challenging problem. Formal verification validates the correctness of the implementation of a design with respect to its specification through mathematical proof techniques. Formal techniques have been emerging as commercialized EDA tools in the past decade. Simulation remains a predominantly used tool to validate a design in industry. After more than 50 years of development, simulation methods have reached a degree of maturity, however, new advances continue to be developed in the area. A simulation approach for functional verification can theoretically validate all possible behaviors of a design but requires excessive computational resources. Rapidly evolving markets demand short design cycles while the increasing complexity of a design causes simulation approaches to provide less and less coverage. Formal verification is an attractive alternative since 100% coverage can be achieved; however, large designs impose unrealistic computational requirements. Combining formal verification and simulation into a single integrated circuit validation framework is an attractive alternative. This book focuses on an Integrated Design Validation (IDV) system that provides a framework for design validation and takes advantage of current technology in the areas of simulation and formal verification resulting in a practical validation engine with reasonable runtime. After surveying the basic principles of formal verification and simulation, this book describes the IDV approach to integrated circuit functional validation. Table of Contents: Introduction / Formal Methods Background / Simulation Approaches / Integrated Design Validation System / Conclusion and Summary
Formal Verification Of Digital Mos Circuits Using Symbolic Simulation
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Author : Frank Vos
language : en
Publisher:
Release Date : 1990
Formal Verification Of Digital Mos Circuits Using Symbolic Simulation written by Frank Vos and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.
Symbolic Simulation Methods For Industrial Formal Verification
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Author : Robert B. Jones
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Symbolic Simulation Methods For Industrial Formal Verification written by Robert B. Jones and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
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.
Symbolic Model Checking
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Author : Kenneth L. McMillan
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Symbolic Model Checking written by Kenneth L. McMillan and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
Formal verification means having a mathematical model of a system, a language for specifying desired properties of the system in a concise, comprehensible and unambiguous way, and a method of proof to verify that the specified properties are satisfied. When the method of proof is carried out substantially by machine, we speak of automatic verification. Symbolic Model Checking deals with methods of automatic verification as applied to computer hardware. The practical motivation for study in this area is the high and increasing cost of correcting design errors in VLSI technologies. There is a growing demand for design methodologies that can yield correct designs on the first fabrication run. Moreover, design errors that are discovered before fabrication can also be quite costly, in terms of engineering effort required to correct the error, and the resulting impact on development schedules. Aside from pure cost considerations, there is also a need on the theoretical side to provide a sound mathematical basis for the design of computer systems, especially in areas that have received little theoretical attention.
Formal Verification Of Digital Logic
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Author :
language : en
Publisher:
Release Date : 1991
Formal Verification Of Digital Logic written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with categories.
The most widely used technique for checking the correctness of digital circuits designs is simulation. As the complexity of digital circuits has continued to grow, however, circuit designers have become unable to perform complete simulations of their integrated circuits. Formal hardware verification provides an alternative approach, performing a series of mathematical proofs in order to show that the construction of the circuit from its submodules will result in the intended overall circuit behavior. Papers by Barrow in 1983 and 1984 discuss a PROLOG-based hierarchical formal circuit verification system named VERIFY. AFIT VERIFY, a simple, experimental reverse-engineered version of Barrow's VERIFY system, was produced by Captain Kevin Sparks in 1991. Since that time, a new user interface has been added to the AFIT VERIFY system, as well as the capability to maintain a central repository of standard, previously verified parts. This thesis provides a detailed description of these and other improvements that have been made to Sparks's AFIT VERIFY system.
Applied Formal Verification
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Author : Douglas L. Perry
language : en
Publisher: McGraw Hill Professional
Release Date : 2005-05-10
Applied Formal Verification written by Douglas L. Perry and has been published by McGraw Hill Professional this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-05-10 with Technology & Engineering categories.
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
Formal Verification By Symbolic Evaluation Of Partially Ordered Trajectories
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Author : C- H. J. Seger
language : en
Publisher:
Release Date : 1993
Formal Verification By Symbolic Evaluation Of Partially Ordered Trajectories written by C- H. J. Seger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Integrated circuits categories.
Abstract: "Symbolic trajectory evaluation provides a means to formally verify properties of a sequential system by a modified form of symbolic simulation. The desired system properties are expressed in a notation combining Boolean expressions and the temporal logic 'next-time' operator. In its simplest form, each property is expressed as an assertion [A => C], where the antecedent A expresses some assumed conditions on the system state over a bounded time period, and the consequent C expresses conditions that should result. A generalization allows simple invariants to be established and proven automatically. The verifier operates on system models in which the state space is ordered by 'information content'. By suitable restrictions to the specification notation, we guarantee that for every trajectory formula, there is a unique weakest state trajectory that satisfies it. Therefore, we can verify an assertion [A => C] by simulating the system over the weakest trajectory for A and testing adherence to C. Also, establishing invariants correspond to simple fixed point calculations. This paper presents the general theory underlying symbolic trajectory evaluation. It also illustrates the application of the theory to the task of verifying switch-level circuits as well as more abstract implementations."
Equivalence Checking Of Digital Circuits
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Author : Paul Molitor
language : en
Publisher: Springer Science & Business Media
Release Date : 2004-01-31
Equivalence Checking Of Digital Circuits written by Paul Molitor and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-01-31 with Computers categories.
Hardware verification is the process of checking whether a design conforms to its specification of functionality. In today's design processes it becomes more and more important. Very large scale integrated (VLSI) circuits and the resulting digital systems have conquered a place in almost all areas of our life, even in security sensitive applications. Complex digital systems control airplanes, have been used in banks and on intensive-care units. Hence, the demand for error-free designs is more important than ever. In addition, economic reasons underline this demand as well. The design and production process of present day VLSI-circuits is highly time- and cost-intensive. Moreover, it is nearly impossible to repair integrated circuits. Thus, it is desirable to detect design errors early in the design process and not just after producing the prototype chip. All these facts are reflected by developing and production statistics of present day companies. For example, nowadays about 60% to 80% of the overall design time is spent for verification. This shows that verifying logical correctness of the design of hardware systems is a major gate to the problem of time-to-market. With the chip complexity constantly increasing, the difficulty as well as the importance of functional verification of new product designs has been increased. It is not only more important to get error-free designs. Moreover, it becomes an increasingly difficult task for a team of human designers to carry out a full design without errors. The traditional training of new verification engineers has to be adapted to the new situation. New skills are necessary. For these reasons, nearly all major universities offer lectures on basic verification techniques such as propositional temporal logic, model checking, equivalence checking, and simulation coverage measures. The present book is designed as a textbook covering one of the most important aspects in the verification process – equivalence checking of Boolean circuits. Equivalence Checking of Digital Circuits is a textbook for advanced students in electrical and computer engineering, but is also intended for researchers who will find it useful as a reference text.
Model Checking Second Edition
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Author : Edmund M. Clarke, Jr.
language : en
Publisher: MIT Press
Release Date : 2018-12-04
Model Checking Second Edition written by Edmund M. Clarke, Jr. and has been published by MIT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-12-04 with Computers categories.
An expanded and updated edition of a comprehensive presentation of the theory and practice of model checking, a technology that automates the analysis of complex systems. Model checking is a verification technology that provides an algorithmic means of determining whether an abstract model—representing, for example, a hardware or software design—satisfies a formal specification expressed as a temporal logic formula. If the specification is not satisfied, the method identifies a counterexample execution that shows the source of the problem. Today, many major hardware and software companies use model checking in practice, for verification of VLSI circuits, communication protocols, software device drivers, real-time embedded systems, and security algorithms. This book offers a comprehensive presentation of the theory and practice of model checking, covering the foundations of the key algorithms in depth. The field of model checking has grown dramatically since the publication of the first edition in 1999, and this second edition reflects the advances in the field. Reorganized, expanded, and updated, the new edition retains the focus on the foundations of temporal logic model while offering new chapters that cover topics that did not exist in 1999: propositional satisfiability, SAT-based model checking, counterexample-guided abstraction refinement, and software model checking. The book serves as an introduction to the field suitable for classroom use and as an essential guide for researchers.