PAT: Getting started

Outline What is PAT? Installation System Components Editor Simulator Model Checkers System Architecture Language Syntax Example Demonstration QA

What is PAT? Process Analysis Toolkit: an enhanced Simulator, Model Checker for concurrent systems Visualized simulation, Full LTL model checking (under fairness), Refinement checking (behaviors + data). Website http://pat.comp.nus.edu.sg Download (Demo) Register your information Download the latest version installation file

Installation System Requirements Installation OS: Windows XP, Windows Vista and Windows Server 2000/2003/2008. .NET Framework 2.0 Installation Follow the installation wizard. Update and Un-installation Automatic update Easy un-installation from program list

System Components Editor: user friendly editing environment featured with Syntax highlight Text editing: copy/paste, find/replace, (un)comments… Multi-documents Simulator Step by Step simulator State space generation (up to 300 states) Trace replace Model Checker Deadlock freeness Reachability testing LTL property checking (with fairness assumptions) Refinement checking

System Architecture

Language Syntax Process definitions CSP Based language extended with variables. (F1 help in PAT) Process definitions Stop Skip Event prefixing Assignments Channel output/input Sequential composition External/Internal choice Conditional choice Case Guarded process Interleaving Parallel composition Interrupt Hiding Selecting Recursion Global definitions: Constants Variables/arrays Channels Propositions Expressions Integer / Boolean variables Math operators: +, -, *, /, mod, >, <, ==, != Logic operators: &&, || If-then-else while loop User defined methods in C# Assertion Deadlock-freeness Reachability LTL Refinement/equivalence

Demonstration

FAQ