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Joint work with Peter Müller ETH Zurich Jan Smans KU Leuven Special thanks to Mike Barnett VMCAI Madrid Spain 18 January 2010 Verifying Concurrent Programs with Chalice Concurrent programs. Rustan M Leino Mark Lillibridge Greg Nelson James B Saxe Raymie Stata Compaq Systems Research Center 130 Lytton Ave Palo Alto CA 94301 USA ABSTRACT Software development and maintenance are costly endeav ors The cost can be reduced if more software d A study by the UK Met Office identifies that as populations migrate towards coastal regions this will increase to 30M by 2080 The same study suggests that if sealevel were to rise by 44cm a midrange estimate the number of people suffering would incr Rustan M Leino Microsoft Research leinomicrosoftcom Abstract Traditionally the full verication of a programs functional correctness has been obtained with pen and paper or with interactive proof assistants whereas only reduced verication tasks such JochenHoenicke 1, K.RustanM.Leino 2, AndreasPodelski 1, MartinSchaf 1,and ThomasWies 1;31UniversityofFreiburg2MicrosoftResearch,Redmond3EPFL,SwitzerlandAbstract.Programmingerrorsfoundearlyarethecheap – Nocturnal Prolongations – My Dear Leino 1 The Elemental – Nocturnal Prolongations – My Dear Leino To take a slow walk by the great Oulu lake - sea - sides, near Kajaan Microsoft Research. Redmond, WA, USA. Angela Wallenburg. Chalmers University of Technology. G. öteborg, Sweden. Class-local object invariants. 20 Feb 2008. ISEC 2008. Hyderabad, India. Program verification. "#$#% &'"()(&'D! J"#$% W&'(!F"#$%&' () P*+%(,(-*', U.+/01,+&' () O2)(13T*0 P"40".&1' $!) 2'"3I. T*0 B+1&* () C(.&0.& P*+%(,(-*': N(&0, (. " C(./01,"&+(.So Professor Saarinen and I were talking. We w in Germany . Key Events. Why did Germany turn to Totalitarian rule during the 1920s and 1930s and what happened when Hitler . and the Nazis came . to power? .  . Step 1: . (in small groups) . Look through the 11 slides you are given. Policy Analysis . Regional Planning . Supplementary Control Systems / Air Quality Prediction System . Emergency Preparedness / Accidental Releases . Long Range Transport (Acid Rain) . State Implementation Plan Revisions / New Source Review . Adam Reeder, P.E., CFM. Eric Coughlin, GISP, CFM. Agenda. 2. What’s . this . sea level . rise . study. ?. How did we conduct the study?. What kind of results did we get?. What do we tell the . stakeholders?. Rise of the Republican Party START Vocabulary Chase Nullified States Rights Which event links the last two words? Slave Power Conspiracy Make a link between the last two words Confederacy Secession Use your Or ‘How to deal with increased flooding’. Dr. Larry Atkinson. Professor and co-Director CCSLRI. NOAA Dec 2013. What is going on locally? . 2/19/2014. Old Dominion University - Climate Change and Sea Level Rise Initiative . Redmond, WA, USA. Angela Wallenburg. Chalmers University of Technology. G. öteborg, Sweden. Class-local object invariants. 20 Feb 2008. ISEC 2008. Hyderabad, India. Program verification. Reasoning about object-oriented software involves . on . Projected Future . Growth . in . Newport . News & . Hampton, Virginia. GEOG 594A. Ray Moody. Analytic Question. The cities of Newport News and Hampton occupy the peninsula of Hampton Roads and the lower portion is especially vulnerable to coastal flooding. The area is heavily populated and contains Fort Eustis, Langley Air Force Base and the Newport News Shipyard. .