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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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25
src/sat/smt/euf_solver.cpp
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@ -1256,6 +1256,31 @@ namespace euf {
add_solver(m_user_propagator);
}
void solver::user_propagate_initialize_value(expr* var, expr* value) {
if (m.is_bool(var)) {
auto lit = expr2literal(var);
if (lit == sat::null_literal) {
IF_VERBOSE(5, verbose_stream() << "no literal associated with " << mk_pp(var, m) << " := " << mk_pp(value, m) << "\n");
return;
}
if (m.is_true(value))
s().set_phase(lit);
else if (m.is_false(value))
s().set_phase(~lit);
else
IF_VERBOSE(5, verbose_stream() << "malformed value " << mk_pp(var, m) << " := " << mk_pp(value, m) << "\n");
return;
}
auto* th = m_id2solver.get(var->get_sort()->get_family_id(), nullptr);
if (!th) {
IF_VERBOSE(5, verbose_stream() << "no default initialization associated with " << mk_pp(var, m) << " := " << mk_pp(value, m) << "\n");
return;
}
// th->initialize_value(var, value);
IF_VERBOSE(5, verbose_stream() << "no default initialization associated with " << mk_pp(var, m) << " := " << mk_pp(value, m) << "\n");
}
bool solver::watches_fixed(enode* n) const {
return m_user_propagator && m_user_propagator->has_fixed() && n->get_th_var(m_user_propagator->get_id()) != null_theory_var;
}