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strengthen support for int.to.str and length reasoning. Issue #589

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-05-28 12:26:47 -07:00
parent 8c99d3c431
commit c3f498a640
9 changed files with 103 additions and 31 deletions
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22
src/ast/ast.cpp
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@ -1420,7 +1420,7 @@ ast_manager::~ast_manager() {
std::cout << to_sort(a)->get_name() << "\n";
}
else {
std::cout << mk_ll_pp(a, *this, false);
std::cout << mk_ll_pp(a, *this, false) << "id: " << a->get_id() << "\n";
}
}
});
@ -1575,6 +1575,26 @@ bool ast_manager::are_equal(expr * a, expr * b) const {
return false;
}
void ast_manager::inc_ref(ast * n) {
if (n && n->get_id() == 362568) {
std::cout << "inc-ref " << n->get_ref_count() << "\n";
}
if (n)
n->inc_ref();
}
void ast_manager::dec_ref(ast* n) {
if (n && n->get_id() == 362568) {
std::cout << "dec-ref " << n->get_ref_count() << "\n";
}
if (n) {
n->dec_ref();
if (n->get_ref_count() == 0)
delete_node(n);
}
}
bool ast_manager::are_distinct(expr* a, expr* b) const {
if (is_app(a) && is_app(b)) {
app* ap = to_app(a), *bp = to_app(b);

13
src/ast/ast.h
View file

@ -1571,18 +1571,9 @@ public:
void debug_ref_count() { m_debug_ref_count = true; }
void inc_ref(ast * n) {
if (n)
n->inc_ref();
}
void inc_ref(ast * n);
void dec_ref(ast * n) {
if (n) {
n->dec_ref();
if (n->get_ref_count() == 0)
delete_node(n);
}
}
void dec_ref(ast * n);
template<typename T>
void inc_array_ref(unsigned sz, T * const * a) {