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Formal verification is the use of mathematical techniques to verify the correctness of various kinds of engineering systems: software systems and digital hardware systems, for example. Formal verification techniques are exhaustive and provide much stronger guarantees of correctness than testing or simulation-based approaches. They are particularly useful for safety and security critical systems and for when system behaviour is highly complex. They are also now being used for some commercial software when bugs have a major impact on customer satisfaction. The course focuses on automated techniques that are currently used in industry. It gives practical exposure to current formal verification tools, explaining the input languages used and introducing the underlying mathematical techniques and algorithms used for automation.
On this page:
Course TA: Jake Palmer. Email: email@example.com.
Lab demonstrator: Jake Palmer.
If you run into difficulties and are not making satisfactory progress then seek help. The earlier you ask for help the more likely it is that your problems can be solved without damaging your performance in the course. Do not be shy asking for help. This is a challenging course, which introduces you to novel techniques and skills. You are expected to learn them during the course, not to come already equipped with them.
To seek help
Even if you are managing fine, please feel free to use the discussion forum to ask questions on course-related topics that go beyond the core material presented in the lectures and courseworks.
Various kinds of feedback are provided during the course.
Lectures are held in Semester 2 at 16.10-17.00:
The first lecture is on Tuesday 16th January 2018.
Note that there are no lecture notes for the course. Instead, recommended reading is associated with each lecture. This reading is usually from:
There will be one lecture on each of the formative, non-assessed practical exercises to provide some general information and background. Note: These lectures do not necessarily coincide with the hand-out dates for the practical sheets. Students should start work on their exercises soon as they are handed out rather than wait for the lectures, if these come later on.
|1||Tue 16 Jan 2018|| — Course Overview
1. Introduction to Model Checking and Temporal Logic
|H&R Sections 3.1, 3.2|
|Fri 19 Jan 2018||2. Linear Temporal Logic||H&R Section 3.2|
|2||Tue 23 Jan 2018||3. The NuSMV model checker||H&R Section 3.3
NuSMV Start-up Guide
|Fri 26 Jan 2018||4. Practical Exercise||See the Practical files|
|3||Tue 30 Jan 2018||5. Computation Tree Logic||H&R Sections 3.4, 3.5, 3.6.1 and 3.7|
|Fri 2 Feb 2018||6. How LTL Model Checking Works
|H&R Sections 3.6.2 and 3.6.3|
|4||Tue 6 Feb 2018||7. Introduction to Binary Decision Diagrams (BDDs)||
H&R Section 6.1
[background] An Introduction to Binary Decision Diagrams by Henrik Reif Andersen.
|Fri 9 Feb 2018||8. Operations on BDDs||H&R Sections 6.2, 6.3|
|5||Tue 13 Feb 2018||9. Discussion of the (Solutions to the) Practical Exercise||See the handouts and some of the solutions already posted on the class class discussion forum|
|Fri 16 Feb 2018||10. No Lecture
|Tue 20 Feb 2018||Mid-Semester Break (no lecture)|
|Fri 23 Feb 2018||Mid-Semester Break (no lecture)|
|6||Tue 27 Feb 2018||11. Introduction to second
half of course
SPARK verification features - Part 1
|Fri 2 Mar 2018||12. SPARK verification features - Part 2|
|7||Tue 6 Mar 2018||13. Guest Lecture: Industrial applications of SPARK (TBC). Rod Chapman|
|Fri 9 Mar 2018||14. SPARK verification features - Part 3|
|8||Tue 13 Mar 2018||15. Programming language semantics||Concrete Semantics by Nipkow and Klein: Sections 7.1, 7.2 and 12.4.|
|Fri 16 Mar 2018||16. SPARK tool-set||
Tutorial and video
on Z3 SMT Solver and SMTLIB language
|9||Tue 20 Mar 2018||17. WP-based methodology and tools|
|Fri 23 Mar 2018||18. SAT algorithms|
|10||Tue 27 Mar 2018||19. SAT & SMT algorithms|
|Fri 30 Mar 2018||20. Software bounded model checking with CBMC||
Bounded Model Checking for ANSI-C An introduction to CBMC.
The CProver Suite of Verification Tools. Martin Brain. First part of a tutorial given at the FM 2016 conference
|11||Tue 3 Apr 2018||21. Exam review for software verification material||
For exam questions on model checking see past papers from old Automated Reasoning course:
|Fri 6 Apr 2018||22. No Lecture|
Assessment is 100% based on a final exam. Several formative non-assessed practical exercises will be provided to give you familiarity with formal verification tools and help you better understand formal verification techniques. Demonstrators and your peers on the course will review your solutions to exercises and the lecturers will introduce the exercises and provide notes on the solutions.
Several formal verification tools will be used on this course. A possible set of tools is as follows. This set might well change as the course unfolds.
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