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Add initial value setting for variables in Z3 API, solver, and optimize modules

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This commit is contained in:
Nikolaj Bjorner 2024-09-18 16:13:15 +03:00
parent 0ba306e7b3
commit 48712b4f60
31 changed files with 297 additions and 9 deletions
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19
src/smt/theory_lra.cpp
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@ -154,6 +154,7 @@ class theory_lra::imp {
svector<delayed_atom> m_asserted_atoms;
ptr_vector<expr> m_not_handled;
ptr_vector<app> m_underspecified;
vector<std::pair<lpvar, rational>> m_values;
vector<ptr_vector<api_bound> > m_use_list; // bounds where variables are used.
// attributes for incremental version:
@ -991,6 +992,16 @@ public:
return lp().compare_values(vi, k, b->get_value()) ? l_true : l_false;
}
void initialize_value(expr* var, expr* value) {
rational r;
if (!a.is_numeral(value, r)) {
IF_VERBOSE(5, verbose_stream() << "numeric constant expected in initialization " << mk_pp(var, m) << " := " << mk_pp(value, m) << "\n");
return;
}
ctx().push_trail(push_back_vector(m_values));
m_values.push_back({get_lpvar(var), r});
}
void new_eq_eh(theory_var v1, theory_var v2) {
TRACE("arith", tout << "eq " << v1 << " == " << v2 << "\n";);
if (!is_int(v1) && !is_real(v1))
@ -1409,6 +1420,9 @@ public:
void init_search_eh() {
m_arith_eq_adapter.init_search_eh();
m_num_conflicts = 0;
for (auto const& [v, r] : m_values)
lp().move_lpvar_to_value(v, r);
display(verbose_stream() << "init search\n");
}
bool can_get_value(theory_var v) const {
@ -3878,6 +3892,9 @@ void theory_lra::assign_eh(bool_var v, bool is_true) {
lbool theory_lra::get_phase(bool_var v) {
return m_imp->get_phase(v);
}
void theory_lra::initialize_value(expr* var, expr* value) {
m_imp->initialize_value(var, value);
}
void theory_lra::new_eq_eh(theory_var v1, theory_var v2) {
m_imp->new_eq_eh(v1, v2);
}
@ -3912,7 +3929,7 @@ final_check_status theory_lra::final_check_eh() {
}
bool theory_lra::is_shared(theory_var v) const {
return m_imp->is_shared(v);
}
}
bool theory_lra::can_propagate() {
return m_imp->can_propagate();
}