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

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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
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src/math/lp/nla_divisions.h
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@ -23,9 +23,11 @@ namespace nla {
class divisions {
core& m_core;
vector<std::tuple<lpvar, lpvar, lpvar>> m_idivisions;
vector<std::tuple<lpvar, lpvar, lpvar>> m_rdivisions;
public:
divisions(core& c):m_core(c) {}
void add_idivision(lpvar r, lpvar x, lpvar y);
void add_rdivision(lpvar r, lpvar x, lpvar y);
void check(vector<lemma>&);
};
}