mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-05-04 14:25:46 +00:00
Code Activity

handle non-linear division axioms, consolidate backtracking state in nla_core

Browse source 
this update enables new incremental linear axioms based on division terms.
It also consolidates some of the backtracking state in nla_core / emons to use stack traces instead of custom backtracking state.
This commit is contained in:
Nikolaj Bjorner 2023-01-29 17:22:57 -08:00
parent 4ffe3fab05
commit 8e37e2f913
9 changed files with 196 additions and 81 deletions
Download patch file Download diff file Expand all files Collapse all files

6
src/math/lp/emonics.h
View file

@ -87,15 +87,15 @@ class emonics {
var_eqs<emonics>& m_ve;
mutable vector<monic> m_monics; // set of monics
mutable unsigned_vector m_var2index; // var_mIndex -> mIndex
unsigned_vector m_lim; // backtracking point
mutable unsigned m_visited; // timestamp of visited monics during pf_iterator
region m_region; // region for allocating linked lists
mutable svector<head_tail> m_use_lists; // use list of monics where variables occur.
hash_canonical m_cg_hash;
eq_canonical m_cg_eq;
map<lpvar, unsigned_vector, hash_canonical, eq_canonical> m_cg_table; // congruence (canonical) table.
void pop_monic();
void inc_visited() const;
void remove_cell(head_tail& v);
@ -115,6 +115,8 @@ class emonics {
std::ostream& display_use(std::ostream& out) const;
std::ostream& display_uf(std::ostream& out) const;
std::ostream& display(std::ostream& out, cell* c) const;
public:
unsigned number_of_monics() const { return m_monics.size(); }
/**