Preliminary Concepts

Temporal Verification of Reactive Systems: Safety

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CS256/Winter 2007 — Lecture #1 Zohar Manna FORMAL METHODS FOR CONCURRENT AND REACTIVE SYSTEMS Instructor: Zohar Manna Email: [email protected] Office hours: by appointment TA: Matteo Slanina Email: [email protected] Office hours: TTh 1:30–2:30 Web page: Course Meetings: TTh 11:00–12:15, Gates B12 1-1
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Course work Weekly homeworks Final exam Participation in class No collaboration on homeworks & exam (but welcome otherwise). HW policy : two free late days (see info sheet) Reading : Read Chapter 0 of book. 1-2
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(CS256) Practical - Pentium Bug - Ariane Bug - expected government regulation for formal methods in signalling systems medical equipment power plants highway control Concurrent Programs (Hardware/Software) Mathematical Logic (CS157) Mur , SMV, VIS, - STeP - others: model checking: KRONOS, ... deductive: ACL2, PVS, EVES, HOL, ... SPIN, UPPAAL, Tools - Model checking - Deductive verification - Combining model checking and deduction - Specification methods Theory Automata Temporal Logic Specifications Verification 1-3
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Textbooks Manna & Pnueli Springer Vol. I: “The Temporal Logic of Reactive and Con- current Systems: Specification Springer 1992 Vol II: “Temporal Verification of Reactive Systems: Safety Springer 1995 Vol. III: “Temporal Verification of Reactive Systems: Progress Chapters 1–3, on Manna’s web site. Copies of lecture slides. Papers. 1-4
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Textbook Overview (Volume II) Chapter 0: Preliminary Concepts [Summary of volume I] Chapter 1: Invariance: Proof Methods Chapter 2: Invariance: Applications Chapter 3: Precedence [Chapter 4: General Safety ] Chapter 5: Algorithmic Verification (“Model Checking”) Extra: ω -automata branching time logic CTL 1-5
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Transformational Systems Observable only at the beginning and the end of their execution (“black box”) input -→ system output -→ with no interaction with the environment.
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