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consolidate freeze functionality into dependent_expr_state

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rename size() to qtail() and introduce shortcuts
ensure tactic goals are not updated if they are in inconsistent state (because indices could be invalidated)
This commit is contained in:
Nikolaj Bjorner 2022-11-30 08:35:29 +07:00
parent 73a652cf4b
commit bec3acd146
21 changed files with 223 additions and 93 deletions
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2
src/ast/simplifiers/max_bv_sharing.cpp
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@ -255,7 +255,7 @@ public:
void reduce() override {
expr_ref new_curr(m);
proof_ref new_pr(m);
for (unsigned idx = m_fmls.qhead(); idx < m_fmls.size() && !m_fmls.inconsistent(); idx++) {
for (unsigned idx = qhead(); idx < qtail() && !m_fmls.inconsistent(); idx++) {
auto [curr, d] = m_fmls[idx]();
m_rw(curr, new_curr, new_pr);
// Proof reconstruction: new_pr = m.mk_modus_ponens(old_pr, new_pr);