When the animated 'Creature Buddies' go on tour, they are played by puppets. Creatures: Dragon, Gorilla, Kangaroo, Tiger. Names: Audrey, Hamish, Melville, Rex ...
Small crossword grid medium-sized dictionary may turn into a big formula ... across solver types. systematic (last lecture) stochastic (this lecture) ...
Satisfiability Modulo Theories Sinan Hanay Boolean Satisfiability (SAT) Satisfiability Modulo Theories (SMT) SAT vs SMT SMT extends SAT solving by adding extensions ...
Much design and implementation work has gone into creating SAT solvers, like chaff. ... Ships may not intersect or share adjacent grid cells, even diagonally. ...
... the exponential memory requirements of DP. Exponential time is still a ... A variable is forced to be assigned to be True or False based on previous assignments ...
Boolean Satisfiability in Electronic Design Automation Jo o Marques Silva Informatics Department Technical University of Lisbon IST/INESC, CEL Karem A. Sakallah
Automated Planning: Theory and Practice Chapter 7 Propositional Satisfiability Techniques Dana S. Nau University of Maryland * * Motivation Propositional ...
A disjunctive formula is a collection of one or more (positive and negative) ... eliminates in one shot all that can be eliminated and returns a smaller formula. ...
University Of Antwerp. 3. XPath Expressions: (subset XPath 2.0) ... University Of Antwerp. 4. Tree Description Graphs. Studied in Computational Linguistics ...
A Progressive Approach for Satisfiability Modulo Theories Hossein M. Sheini Karem A. Sakallah Electrical Engineering and Computer Science University of Michigan, Ann ...
We cannot bet on any breakthrough without fundamentally change the way the algorithm works. i.e. Don't bet on another 3 orders of magnitude speed up in the next 10 ...
Logical formula in conjunctive normal form (AND of OR-clauses): (x1 or not(x2) ... 13. Metropolis Algorithm. Simulated Annealing: Gradually decrease T ...
Efficient Exact Spare Allocation via Boolean Satisfiability Presented by Fang Yu Joint work with Dr. S.-Y. Kuo and Dr. D.-T. Lee, C. H. Tsai, Y. W. Huang, H.-Y. Lin
MBSat Satisfiability Program and Heuristics Brief Overview VLSI Testing 304-649B Marc Boul April 2001 McGill University Electrical and Computer Engineering
A multi-valued clause is a logical disjunction of one or more MV literals. A formula in multi-valued conjunctive normal form (MV-CNF) is the logical ...
V (i): clauses that i appears un-negated. V- (i): clauses that i appears negated ... i appears un-negated. 42. BP in SAT Problem. Probability that xj = 1. 43 ...
GRASP: A Search Algorithm for Propositional Satisfiability Conflict Clause Significantly prune the search speace Learned clause is useful forever Useful in generating ...
Jo o Marques-Silva. Informatics Department. Technical University of Lisbon. IST/INESC, CEL ... Practical algorithms for large problem instances started emerging ...
A Compressed Breadth-First Search for Satisfiability. DoRon B. Motter and Igor L. Markov ... The DP procedure: Simon and Chatalic, IJCAI 2000. DLL: Aloul, ...
SAT is the quintessential NP-complete problem. Theoretically well-studied. Practical algorithms for large problem instances started emerging in the last five years ...
Given a formula, f : C1. C2. C3. a=b=c=1 (a,b,c) (C1,C2,C3) Comprised ... SAT: Seek an assignment of to the variables, V, which sets the Boolean formula to 1' ...
Given a suitable representation for a Boolean function : ... valid or tautology if for all T. unsatisfiable if for any T. VALID. SATISFIABLE. UNSATISFIABLE ...
CONFLICT FREE. LATIN ROUTER. Input ports. Output ports. 3. 1. 2. 4 ... Sudoku. Underlying Latin Square structure. characterizes many real world applications ...
The problem of finding an assignment to a set of variables that satisfies a ... Hirsch (2000) Sch ning (1999) Iwama, Tamaki (2003) Iwama, Tamaki (2003) Who. O(1.2388m) ...
Replace equality with one-way implication. 10/6/09. ARIO / Sheini ... Always: Enforce only one-way implication from indicator variable to its UTVPI constraint ...
Both the AI and CADE/CAV communities have long been concerned with reasoning ... 'Classic' work in AI has concentrated on STRIPS style planning ('state space' ...
They will pick at least one representative (including lex-leaders) from each ... Recent work pointed out that breaking symmetries can speed up search ...
Comparing Extremal and Hysteretic Optimization on the Satisfiability Problem ... Extremal Optimization (1) Start with random configuration. Order the variables ...
Complexity Analysis of a Massively Parallel Boolean Satisfiability ... cannot be a part of any satisfying assignment we can add a clause forbidding it. ...
Given: a subject graph representing the circuit (usually a netlist of 2-input gates) ... of a root node and its predecessors such that any node within the cone ...
STEP1: Theory part compiled to equisatisfiable pure SAT problem ... a theory solver. The boolean solver is modified ... existence of values to theory variables ...
Memory Intensive: Internal database grows overwhelming RAM. CPU intensive: 100% CPU load ... CPU count or timeout may not be fulfilled. CPU count: too large ...
Bsolo (Manquinho and Marques-Silva, 2002) is based on old SAT solver GRASP. ... Presented an efficient solver MinCostChaff that applies advanced techniques in ...
Saturn. 8. A Parable Continued ... Saturn. 9. This Talk. An approach to achieving both precision and scalability ... Saturn. 10. The Main Idea. For precision, ...
Based on BDD State explosion. Based on SAT Frequently applied ... if(status!=UNKNOWN) return status; while(1) { decide_next_branch(); while(1) { status = deduce ...