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fix #7572 and fix #7574

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2025-03-07 10:46:29 -08:00
parent 8df45b442b
commit 80f00f191a
26 changed files with 213 additions and 152 deletions
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4
src/tactic/arith/nla2bv_tactic.cpp
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@ -131,7 +131,7 @@ class nla2bv_tactic : public tactic {
for (auto const& kv : p2) {
expr* v = kv.m_value;
unsigned num_bits = m_bv.get_bv_size(v);
expr* w = m_bv.mk_bv2int(m_bv.mk_bv_shl(m_bv.mk_numeral(1, num_bits), v));
expr* w = m_bv.mk_ubv2int(m_bv.mk_bv_shl(m_bv.mk_numeral(1, num_bits), v));
m_trail.push_back(w);
m_subst.insert(kv.m_key, w);
TRACE("nla2bv", tout << mk_ismt2_pp(kv.m_key, m_manager) << " " << mk_ismt2_pp(w, m_manager) << "\n";);
@ -235,7 +235,7 @@ class nla2bv_tactic : public tactic {
bv_sort = m_bv.mk_sort(num_bits);
s_bv = m_manager.mk_fresh_const(n->get_decl()->get_name(), bv_sort);
m_fmc->hide(s_bv);
s_bv = m_bv.mk_bv2int(s_bv);
s_bv = m_bv.mk_ubv2int(s_bv);
if (low) {
if (!(*low).is_zero()) {
// low <= s_bv