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Polysat updates (#5444)

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* Simplify adding lemmas

* Remove misleading constructor from tmp_assign.

The idea is that tmp_assign is only created on the stack and
short-lived.  Instead of having a convenience constructor that takes a
constraint_ref, it's clearer to have an explicit .get() at the call
site.

* Remove some log messages

* bugfix

* fix

* Add stub for conflict_core

* wip

* Add example by Clemens
This commit is contained in:
Jakob Rath 2021-07-30 20:14:19 +02:00 • committed by GitHub
parent 2ef8ee25f1
commit 8a773d2bee
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12 changed files with 302 additions and 116 deletions
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src/math/polysat/explain.h
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@ -24,6 +24,7 @@ namespace polysat {
class conflict_explainer {
solver& m_solver;
constraints_and_clauses m_conflict;
ptr_vector<constraint> m_conflict_units;
pvar m_var = null_var;
ptr_vector<constraint> m_cjust_v;