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sav08:finite-model_finders [2008/03/13 13:13] vkuncak |
sav08:finite-model_finders [2008/03/13 13:24] vkuncak |
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| * generalize SAT algorithms to search for finite domains and not just propositional ones (SEM) | * generalize SAT algorithms to search for finite domains and not just propositional ones (SEM) | ||
| * encoding into SAT (popular recently because SAT solvers are good): MACE, Paradox, KodKod (used in Alloy) | * encoding into SAT (popular recently because SAT solvers are good): MACE, Paradox, KodKod (used in Alloy) | ||
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| + | Issues when encoding into SAT: | ||
| + | * detecting sharing to minimizing size of propositional formula | ||
| + | * symmetry breaking - larger formula with fewer instances | ||
| + | * sort inference - smaller range of variables | ||
| + | * incremental search for different sizes of the domain - reusing work in SAT solver | ||
| Symmetry breaking among issues of encoding into SAT. | Symmetry breaking among issues of encoding into SAT. | ||