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update polynomial superposition

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This commit is contained in:
Jakob Rath 2021-09-08 14:00:10 +02:00
parent 2de443c74f
commit ba8fa1f072
5 changed files with 60 additions and 85 deletions
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9
src/math/polysat/conflict_core.cpp
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@ -25,9 +25,12 @@ namespace polysat {
conflict_core::conflict_core(solver& s) {
m_solver = &s;
ex_engines.push_back(alloc(ex_polynomial_superposition));
for (auto* engine : ex_engines)
engine->set_solver(s);
ve_engines.push_back(alloc(ve_reduction));
// ve_engines.push_back(alloc(ve_forbidden_intervals));
inf_engines.push_back(alloc(inf_polynomial_superposition));
// inf_engines.push_back(alloc(inf_polynomial_superposition));
for (auto* engine : inf_engines)
engine->set_solver(s);
}
@ -245,6 +248,10 @@ namespace polysat {
for (auto c : cjust_v)
insert(c);
for (auto* engine : ex_engines)
if (engine->try_explain(v, *this))
return true;
// No value resolution method was successful => fall back to saturation and variable elimination
while (true) { // TODO: limit?
// TODO: as a last resort, substitute v by m_value[v]?