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#6364 - remove option of redundant clauses from internalization

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gc-ing definitions leads to unsoundness when they are not replayed.
Instead of attempting to replay definitions theory internalization is irredundant by default.
This is also the old solver behavior where TH_LEMMA is essentially never used, but is valid for top-level theory lemmas.
This commit is contained in:
Nikolaj Bjorner 2022-10-24 00:38:31 -07:00
parent c8e1e180ea
commit 5c7eaec566
29 changed files with 133 additions and 147 deletions
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src/sat/smt/euf_solver.h
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@ -439,8 +439,8 @@ namespace euf {
bool to_formulas(std::function<expr_ref(sat::literal)>& l2e, expr_ref_vector& fmls) override;
// internalize
sat::literal internalize(expr* e, bool sign, bool root, bool learned) override;
void internalize(expr* e, bool learned) override;
sat::literal internalize(expr* e, bool sign, bool root) override;
void internalize(expr* e) override;
sat::literal mk_literal(expr* e);
void attach_th_var(enode* n, th_solver* th, theory_var v) { m_egraph.add_th_var(n, v, th->get_id()); }
void attach_node(euf::enode* n);