Course: Verification of Reactive Systems

Summer 2014

Introduction

This course focuses on the theory and practice of computer-aided verification, with an emphasis on software verification.

Schedule

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Date

Course topic / lecture

Homework

Materials

Video

L1

April 23

Introduction to formal verification

Lecture slides
De Millo, Lipton, and Perlis. Social processes and proofs of programs.

-

April 25

L2

April 28

Preliminaries: graph algorithms, automata theory

Homework 1. Need not be turned in.

Lecture notes

L3

April 30

Preliminaries: propositional logic

Lecture notes
Problem L (Labyrinth). Solution.
Try OCaml, Learn OCaml, Real World OCaml

T1

May 2

Solutions to Homework 1.

L4

May 5

The invariant verification problem. Enumerative invariant verification. Depth first search. Spin.

Notes from an unpublished text book by Rajeev Alur and Tom Henzinger:
The Reactive modules modeling language.
Invariant verification.
SPIN web page.

L5

May 7

Peterson's protocol. Heuristics for enumerative invariant verification. Symbolic invariant verification. Symbolic reachability.

Alur and Henzinger. Symbolic graph representation.

MPG (660 MB)

T2

May 9

Q & A

L6

May 12

Symbolic model checking with SAT

Malik and Weissenbacher. Boolean satisfiability solvers: Techniques and extensions.
Nieuwenhuis, Oliveras, and Tinelli. Solving SAT and SAT modulo theories: From an abstract Davis-Putnam-Logemann-Loveland procedure to DPLL(T).

L7

May 14

Implementing a SAT Solver. BDDs.

Homework 2. Due: May 28, 2014

T3

May 16

Q & A

May 19

May 21

May 23

May 26

May 28

May 30

June 2

June 4

June 6

June 9

June 11

June 13

June 16

June 18

June 20

June 23

June 25

June 27

June 30

July 2

July 4

July 7

July 9

July 11

July 14

July 16

July 18

July 21

July 23

July 25