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This commit is contained in:
Nikolaj Bjorner 2021-02-12 19:46:47 -08:00
parent 612cc5cfba
commit 83f4a006c6
11 changed files with 402 additions and 219 deletions
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21
src/sat/smt/euf_internalize.cpp
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@ -387,4 +387,25 @@ namespace euf {
r = m.mk_eq(e1, e2);
return r;
}
unsigned solver::get_max_generation(expr* e) const {
unsigned g = 0;
expr_fast_mark1 mark;
m_todo.push_back(e);
while (!m_todo.empty()) {
e = m_todo.back();
m_todo.pop_back();
if (mark.is_marked(e))
continue;
mark.mark(e);
euf::enode* n = m_egraph.find(e);
if (n)
g = std::max(g, n->generation());
else if (is_app(e))
for (expr* arg : *to_app(e))
m_todo.push_back(arg);
}
return g;
}
}