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user propagator

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-08-22 19:00:58 -07:00
parent 5e5ef50dbc
commit 96f10b8c1c
15 changed files with 219 additions and 127 deletions
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56
src/smt/user_propagator.h
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@ -29,45 +29,59 @@ Notes:
namespace smt {
class user_propagator : public theory, public solver::propagate_callback {
void* m_user_context;
std::function<void(void*)> m_push_eh;
std::function<void(void*, unsigned)> m_pop_eh;
std::function<void*(void*)> m_fresh_eh;
solver::final_eh_t m_final_eh;
solver::fixed_eh_t m_fixed_eh;
solver::eq_eh_t m_eq_eh;
solver::eq_eh_t m_diseq_eh;
struct prop_info {
unsigned_vector m_ids;
expr_ref m_conseq;
prop_info(unsigned sz, unsigned const* ids, expr_ref const& c):
m_ids(sz, ids),
svector<std::pair<unsigned, unsigned>> m_eqs;
prop_info(unsigned num_fixed, unsigned const* fixed_ids, unsigned num_eqs, unsigned const* eq_lhs, unsigned const* eq_rhs, expr_ref const& c):
m_ids(num_fixed, fixed_ids),
m_conseq(c)
{}
{
for (unsigned i = 0; i < num_eqs; ++i)
m_eqs.push_back(std::make_pair(eq_lhs[i], eq_rhs[i]));
}
};
unsigned m_qhead;
struct stats {
unsigned m_num_propagations;
stats() { reset(); }
void reset() { memset(this, 0, sizeof(*this)); }
};
void* m_user_context;
solver::push_eh_t m_push_eh;
solver::pop_eh_t m_pop_eh;
solver::fresh_eh_t m_fresh_eh;
solver::final_eh_t m_final_eh;
solver::fixed_eh_t m_fixed_eh;
solver::eq_eh_t m_eq_eh;
solver::eq_eh_t m_diseq_eh;
void* m_api_context { nullptr };
unsigned m_qhead { 0 };
vector<prop_info> m_prop;
unsigned_vector m_prop_lim;
vector<literal_vector> m_id2justification;
unsigned m_num_scopes;
unsigned m_num_scopes { 0 };
literal_vector m_lits;
stats m_stats;
void force_push();
public:
user_propagator(context& ctx);
~user_propagator() override {}
~user_propagator() override;
/*
* \brief initial setup for user propagator.
*/
void add(
void* ctx,
std::function<void(void*)>& push_eh,
std::function<void(void*, unsigned)>& pop_eh,
std::function<void*(void*)>& fresh_eh) {
void* ctx,
solver::push_eh_t& push_eh,
solver::pop_eh_t& pop_eh,
solver::fresh_eh_t& fresh_eh) {
m_user_context = ctx;
m_push_eh = push_eh;
m_pop_eh = pop_eh;
@ -81,7 +95,9 @@ namespace smt {
void register_eq(solver::eq_eh_t& eq_eh) { m_eq_eh = eq_eh; }
void register_diseq(solver::eq_eh_t& diseq_eh) { m_diseq_eh = diseq_eh; }
void propagate(unsigned sz, unsigned const* ids, expr* conseq) override;
bool has_fixed() const { return (bool)m_fixed_eh; }
void propagate(unsigned num_fixed, unsigned const* fixed_ids, unsigned num_eqs, unsigned const* lhs, unsigned const* rhs, expr* conseq) override;
void new_fixed_eh(theory_var v, expr* value, unsigned num_lits, literal const* jlits);
@ -99,7 +115,7 @@ namespace smt {
void push_scope_eh() override;
void pop_scope_eh(unsigned num_scopes) override;
void restart_eh() override {}
void collect_statistics(::statistics & st) const override {}
void collect_statistics(::statistics & st) const override;
model_value_proc * mk_value(enode * n, model_generator & mg) override { return nullptr; }
void init_model(model_generator & m) override {}
bool include_func_interp(func_decl* f) override { return false; }