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integrate v2 of lns

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This commit is contained in:
Nikolaj Bjorner 2021-02-04 15:47:40 -08:00
parent dfb7c87448
commit 0ec567fe15
18 changed files with 254 additions and 105 deletions
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22
src/sat/sat_solver/inc_sat_solver.cpp
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@ -298,7 +298,27 @@ public:
bool is_not = m.is_not(e, e);
sat::bool_var b = m_map.to_bool_var(e);
if (b != sat::null_bool_var)
m_solver.set_phase(b, is_not);
m_solver.set_phase(sat::literal(b, is_not));
}
class sat_phase : public phase, public sat::literal_vector {};
phase* get_phase() override {
sat_phase* p = alloc(sat_phase);
for (unsigned v = m_solver.num_vars(); v-- > 0; ) {
p->push_back(sat::literal(v, !m_solver.get_phase(v)));
}
return p;
}
void set_phase(phase* p) override {
for (auto lit : *static_cast<sat_phase*>(p))
m_solver.set_phase(lit);
}
void move_to_front(expr* e) override {
bool is_not = m.is_not(e, e);
sat::bool_var b = m_map.to_bool_var(e);
if (b != sat::null_bool_var)
m_solver.move_to_front(b);
}
unsigned get_scope_level() const override {