What is PAT? Installation System Components
◦ Editor◦ Simulator◦ Model Checkers
System Architecture Language Syntax Example Demonstration QA
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
System Requirements◦ 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
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
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
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
CSP Based language extended with variables. (F1 help in PAT)
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