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arith_solver (#4733)

Browse source 
* porting arithmetic solver

* integrating arithmetic

* lp

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-10-16 10:49:46 -07:00 • committed by GitHub
parent 2841796a92
commit 44679d8f5b
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GPG key ID: 4AEE18F83AFDEB23
33 changed files with 3172 additions and 403 deletions
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10
src/sat/smt/array_solver.cpp
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@ -88,6 +88,8 @@ namespace array {
m_constraint->initialize(m_constraint.get(), this);
}
solver::~solver() {}
sat::check_result solver::check() {
force_push();
// flet<bool> _is_redundant(m_is_redundant, true);
@ -108,6 +110,8 @@ namespace array {
}
std::ostream& solver::display(std::ostream& out) const {
if (get_num_vars() > 0)
out << "array\n";
for (unsigned i = 0; i < get_num_vars(); ++i) {
auto& d = get_var_data(i);
out << var2enode(i)->get_expr_id() << " " << mk_bounded_pp(var2expr(i), m, 2) << "\n";
@ -117,6 +121,7 @@ namespace array {
}
return out;
}
std::ostream& solver::display_info(std::ostream& out, char const* id, euf::enode_vector const& v) const {
if (v.empty())
return out;
@ -163,6 +168,11 @@ namespace array {
m_find.merge(eq.v1(), eq.v2());
}
void solver::new_diseq_eh(euf::th_eq const& eq) {
force_push();
push_axiom(extensionality_axiom(var2enode(eq.v1()), var2enode(eq.v2())));
}
bool solver::unit_propagate() {
if (m_qhead == m_axiom_trail.size())
return false;