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intblast with lazy expansion of shl, ashr, lshr

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2023-12-16 15:12:57 -08:00
parent 50e0fd3ba6
commit d0a59f3740
10 changed files with 321 additions and 83 deletions
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8
src/sat/smt/arith_internalize.cpp
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@ -252,10 +252,10 @@ namespace arith {
st.to_ensure_var().push_back(n1);
st.to_ensure_var().push_back(n2);
}
else if (a.is_band(n)) {
m_band_terms.push_back(to_app(n));
mk_band_axiom(to_app(n));
ctx.push(push_back_vector(m_band_terms));
else if (a.is_band(n) || a.is_shl(n) || a.is_ashr(n) || a.is_lshr(n)) {
m_bv_terms.push_back(to_app(n));
ctx.push(push_back_vector(m_bv_terms));
mk_bv_axiom(to_app(n));
ensure_arg_vars(to_app(n));
}
else if (!a.is_div0(n) && !a.is_mod0(n) && !a.is_idiv0(n) && !a.is_rem0(n) && !a.is_power0(n)) {