Infinite State Model Checking with Presburger Arithmetic Constraints Tevfik Bultan Department of Computer Science University of California, Santa Barbara
Vlad Rusu and Elena Zinovieva. IRISA / INRIA Rennes, France. 2. Outline. Motivation. Background ... Model for Programs which is: 5. Results. theoretical side ...
Vijay Ganesh. Sergey Berezin. David L. Dill. Stanford University. http://verify.stanford.edu ... Linear arithmetic constraints arise frequently in formal verification ...
Die Korrespondenz zwischen Automaten und Logik [Moshe Vardi: A match made in heaven ] Jens Kerber Betreuer: Tim Priesnitz Gert Smolka Programming Systems Lab
Spracherkennungs-und Anfrage-Aequivalenz von MSO, monadischem Datalog, und Automaten. Thomas Kloecker Betreuer: Tim Priesnitz Seminar Logische Aspekte von XML,
Title: Techniques for Automated Deduction Author: George Necula Last modified by: yiyun Created Date: 1/15/2000 7:54:11 AM Document presentation format
Can be extended to other variable types if a symbolic representation is provided ... Eliminating one variable from a conjunction of constraints may double the number ...
Automatic Debugging and Verification of RTL-Specified Real-Time Systems Albert M. K. Cheng Real-Time Systems Laboratory and Institute for Space Systems Operations
Bound Check Specialisation. Deriving Pre-Condition for ABCE. 25 ... Bound Check Specialization. Space-Time Trade-Off. Polyvariant (a version for each context of use) ...
Expressiveness of a theory. Each formula defines a language: ... Expressiveness of a theory. Now consider a Propositional Logic formula : (x1 x2 x3) ...
... System Properties A Classification of Properties -Finite ... {assert if u simulates t, then u sim(t) } Efficient enumerative implementation: O(m ...
Hardware-oriented designs. Parameterized. Large or infinite data types. Non-trivial control ... Abstract. COI. 11/8/09. Sergey Berezin, CSD CMU. 18. New ...
Eliminating Web Software Vulnerabilities with Automated Verification Tevfik Bultan Verification Lab Department of Computer Science University of California, Santa Barbara
Formal Methods by way of example. Theorem Proving (12 minutes) ... Buggy! The Big V. or. Counter Example. 15. Kurt Goedel (1906-1978) Answer: NO! 16 ...
without array bound checks (e.g. C), programs may be unsafe. ... precise disjunctive polyhedron abstract domain. with hulling and widening operators. ...
A suivre de pr f rence apr s (ou en parall le avec) les cours d'Yves Robert, Tanguy ... Attribution d'une s mantique temps espace: description d'une architecture systolique ...
Menue starters 14 selected delicacies from our International Cuisine Main course 4 specialities AVACS Automatic Verification and Analysis of Complex Systems
Modules can be composed using synchronous or asynchronous composition ... Asynchronous composition is almost equivalent to logical OR ... Asynchronous Composition ...
integer a,b,c,r; restrict a =0 and b =0 and c =0; initial r=0; module max(x,y,result) ... b' x: integer, y:boolean (x 0 and x' x 1 and y'=true) or (x =0 and x' ...
Bakhadyr Khoussainov. Computer Science Department. The University of Auckland, New Zealand ... 2. Automatic Linear Orders and Ranks. 3. Automatic Trees and Ranks. ...
We can effectively construct a TCM M' such that L(M) = L(M') and in any ... We construct a PCM acceptor M which first checks that its input is accepted by MI. ...
Combining Theories. Sharing Set Operations. Thomas Wies. joint work with ... Amalgamation of Models: The Set-Sharing Case. model for F. model for G. model for F G ...
Algorithmic problem Logic. eg. 3 colorability of graphs can be expressed. using logic ... Algorithmic problem Logic Automata Algorithm. Overview. Overview (Lec 1) ...
... Validity of Quantifier-Free Formulas in Combinations of First-Order Theories ... A first-order theory is a set of first-order statements about a related set of ...
... some 10-15 groups world-wide. ARTES, Sweden (Uppsala, M lardalen) ... Work around Bound-T restrictions. exclude difficult subprograms from the analysis. Method: ...
Classify problems as tractable or ... The proof was devised by Alan Turing, 1936 ... Turing showed some problems are so hard that no algorithm can solve them ...
CS 99j Cryptographic Concepts John C. Mitchell Stanford University Basic Concepts Encryption scheme: functions to encrypt, decrypt data key generation algorithm ...
No primed variables in state formulas ... In transition formulas primed-variables denote the next-state values, unprimed ... actions: primed variables denote ...
Poster Presentations by Students and Postdocs PORTIA Project Site Visit Stanford CA, May 12-13, 2005 http://crypto.stanford.edu/portia/ Paper: Secure Computation ...
Timer discovery via temporal perturbation. How symbolic ... On Deriving Unknown Vulnerabilities from Zero-day Polymorphic and Metamorphic Worm Exploits. ...
... one of the exits C3-C8 can cross runway 16L only if no airplane is taking off at ... private variables for number of airplanes on each runway and each taxiway ...
map text to short hash key; ideally, no collisions. Signature scheme ... Ciphertext does look garbled. Disadvantages. Not very good for long sequences of English words ...
Tuba Yavuz-Kahveci, University of Florida, Gainesville ... We have been investigating a design for verification approach based on the following principles: ...
A suivre de pr f rence apr s le cours de base de compilation (Tanguy Risset) ... Choix des th mes du cours en fonction de ce que vous savez d j (Master 2 ...