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#6299

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This commit is contained in:
Nikolaj Bjorner 2022-08-24 20:25:01 -07:00
parent f6e151a49c
commit 6c165e89dc
1 changed files with 10 additions and 1 deletions
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11
src/qe/mbp/mbp_solve_plugin.cpp
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@ -376,7 +376,7 @@ namespace mbp {
rhs = m_bv.mk_concat(2, args); rhs = m_bv.mk_concat(2, args);
} }
else if (lo > 0 && hi + 1 == sz) { else if (lo > 0 && hi + 1 == sz) {
expr* args[3] = { rhs, m_bv.mk_extract(lo - 1, 0, e) }; expr* args[2] = { rhs, m_bv.mk_extract(lo - 1, 0, e) };
rhs = m_bv.mk_concat(2, args); rhs = m_bv.mk_concat(2, args);
} }
else { else {
@ -384,6 +384,15 @@ namespace mbp {
} }
return true; return true;
} }
#if 0
expr *f = nullptr
// this one is for Nuno to find and generalize for invertible expressions
if (m_bv.is_bv_add(lhs, e, f) && is_variable(e)) {
lhs = e;
rhs = m_bv.mk_bv_sub(rhs, f);
return true;
}
#endif
return false; return false;
} }
public: public: