Software Verification and Analysis: An Integrated, Hands-On Approach

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Emphasis is given to the integration of the most important aspects of software verification – program proving, static analysis and testing, all in one book Provides tool support for each of the verification techniques Offers readers the ability to test their own static analysis ideas using STAD 4.0 Presents novel and not generally known data testing techniques supported by the testing tool Focuses on the practical applications This book advocates the integrated and tool supported use of all available verification methods to improve software correctness. The following major software verification techniques and their supporting tools, based on sound mathematical models, are discussed: Correctness by construction, using the Vienna Development Method-Specification Language (VDM-SL) and its supporting CSK’s Toolbox. Staticprogram analysis supported by the PRAXIS’ SPARK toolset and SofTools’ System for Testing And Debugging (STAD 4.0). Program proving supported by SPARK. Dynamic program analysis supported by STAD. VDM-SL Toolbox and SPARK illustrate, respectively, the correctness by construction and program proving paradigms. The author demonstrates that while both methods are powerful, errors are inevitable and detecting these may be more difficult than in the case of an informally developed program. Consequently, error detection must be an integral part of the entire life cycle of a programming project. Black-Box (specification based) and Structural (code based) testing are covered and supported by STAD (including 5 testing criteria). STAD also features a quite powerful descriptive and proscriptive static analysis. Software engineers, students and computer scientists will find that the book provides the reader with a comprehensive understanding of software verification issues. STAD’s outputs allow the user to implement and test their own ideas. The most recent version of STAD can be downloaded from http://www.stadtools.com. Table of Contents 1. Preface 2. Introduction: What Do We Want to Know About the Program 3. Why Not Write Correct Software the First Time?4. How to Prove a Program Correct: Programs Without Loops 5. How to Prove a Program Correct: Iterative Programs 6. Prepare Test for Any Implementation: Black-box Testing 7. Intermediate Program Representation 8. Program Dependencies 9. What Can One Tell about a Program Without Its Execution: Static Analysis 10. Is there a Bug in the Program?- Structural Program Testing 11. Dynamic Program Analysis Index