PAT Getting started Outline What is PAT Installation

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PAT: Getting started

PAT: Getting started

Outline What is PAT? Installation System Components ◦ Editor ◦ Simulator ◦ Model Checkers

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

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 Update and Un-installation ◦ OS: Windows XP, Windows Vista and

Installation System Requirements Installation Update and Un-installation ◦ OS: Windows XP, Windows Vista and Windows Server 2000/2003/2008. ◦. NET Framework 2. 0 ◦ Follow the installation wizard. ◦ Automatic update ◦ Easy un-installation from program list

System Components Editor: user friendly editing environment featured with ◦ Syntax highlight ◦ Text

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

System Architecture

System Architecture

Language Syntax CSP Based language extended with variables. (F 1 help in PAT) Process

Language Syntax CSP Based language extended with variables. (F 1 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 Assertion ◦ Integer / Boolean variables ◦ Math operators: +, -, *, /, mod, >, <, ==, != ◦ Logic operators: &&, || ◦ If-then-else ◦ while loop ◦ User defined methods in C# ◦ ◦ Deadlock-freeness Reachability LTL Refinement/equivalence

Demonstration

Demonstration

FAQ

FAQ