PPT-Catching Bugs in the Web of Program Invariants

Proseminar Programmanalyse Prof Dr Heike Wehrheim Universit ät Paderborn WS 2011 2012 Anton Tonkushin Static debugging Array indexing outside of its proper bounds Division by zero. Many other household pests look like bed bugs and many other things can cause the same kinds of skin reactions that bed bugs do Treating your home for bed bugs takes a lot of time and hard work so its a good idea to make sure that you really do have Bad bugs are thought to bring diseas e and destruction layi ng eggs by the dozens and sucking the life out of plants Good bugs on the other hand marc h to the rescue and chow down on the bad guys But ants and earwigs like many insects have dual rol . Işil. . Dillig. , Thomas . Dillig. , and Alex Aiken. Stanford University. Simplifying Loop Invariant Generation Using Splitter Predicates. Loops and Loop Invariants. Invariant. evaluates . to . true. 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. Pranav. . Garg. University of . illinois. at . urbana-champaign. Joint work with:. . P. . madhusudan. (. uiuc. ),. . christof. . loding. (RWTH . AAchen. ). . daniel. . neider. (RWTH Aachen). in . Flowpipe. Construction . using Pseudo-Invariants. Stanley . Bak. United States Air Force Research Lab. Information Directorate – Rome, NY. Cyber-Physical Systems. Include computational (discrete) components, and physical-world (continuous) aspects. Nicholas Colella. Throwing. A basic movement pattern performed to propel an object away from the body.. Overhand, underhand, sidearm. Preparatory phase, propulsive phase, follow-through phase. Examples. Derek Hennen. Advisor: Dr. McShaffrey. Background. The assassin bugs (family Reduviidae) are a fascinating group of predaceous insects. There are about 6,500 species worldwide, with 195 species present in the United States and Canada (. Swarup. Kumar . Sahoo. John Criswell. Chase . Geigle. Vikram. . Adve. 1. Department of Computer Science. University of Illinois at Urbana-Champaign. Motivation - 1. 2. Software bugs cost ~$59.5 billion annually (about 0.6% of the GDP). -X. : A Comprehensive Invariant based . Approach for . Performance Diagnosis in Big Data Platform. Pengfei. Chen. Xi’an . Jiaotong. university. 2014-9-2. Background. National Defense. Health. Throwing. A basic movement pattern performed to propel an object away from the body.. Overhand, underhand, sidearm. Preparatory phase, propulsive phase, follow-through phase. Examples. Pitching a baseball to the batter. Ranjit. . Jhala. , UC San . Diego. (with Pat . Rondon. , Ming Kawaguchi). char* . rev_copy. (. char* . a, . int. n){. . i. = 0;. j = n – 1;. b = . malloc. (n);. . while. (0<=j){. b[. Gaunnan Guo. 1. Ironfleet: proving practical distributed systems correct. Chris Hawblitzel, Jon Howell, Manos Kapritsos, Jacob R. Lorch, Bryan Parno, Michael L. Roberts, Srinath Setty, Brian Zill. Presented by Wesley Ma. Certain functions of . E. and . H. are invariant under Lorentz transform. The 4D representation of the field is . F. ik. F. ik. . F. ik. = an invariant scalar. (1/2). e. iklm. . F. ik. . F. lm.