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improve pre-processing

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This commit is contained in:
Nikolaj Bjorner 2022-04-15 12:55:17 +02:00
parent a634876180
commit 3cc9d7f443
22 changed files with 147 additions and 80 deletions
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8
src/sat/sat_solver/inc_sat_solver.cpp
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@ -390,7 +390,7 @@ public:
}
}
expr_ref_vector get_trail() override {
expr_ref_vector get_trail(unsigned max_level) override {
expr_ref_vector result(m);
unsigned sz = m_solver.trail_size();
expr_ref_vector lit2expr(m);
@ -398,7 +398,11 @@ public:
m_map.mk_inv(lit2expr);
for (unsigned i = 0; i < sz; ++i) {
sat::literal lit = m_solver.trail_literal(i);
result.push_back(lit2expr[lit.index()].get());
if (m_solver.lvl(lit) > max_level)
continue;
expr_ref e(lit2expr.get(lit.index()), m);
if (e)
result.push_back(e);
}
return result;
}