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Derive with ranges (#9965)

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: Margus Veanes <margus@microsoft.com>
Co-authored-by: Margus Veanes <veanes@users.noreply.github.com>
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Nikolaj Bjorner 2026-06-26 07:44:13 -07:00 • committed by GitHub
parent e76239ceda
commit 15f33f458d
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27 changed files with 3597 additions and 1541 deletions
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21
src/test/seq_rewriter.cpp
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@ -124,27 +124,6 @@ void tst_seq_rewriter() {
ENSURE(!su.re.is_range(e));
}
// -----------------------------------------------------------------------
// 9. Range complement (general): no longer a complement node
// -----------------------------------------------------------------------
{
expr_ref e(su.re.mk_complement(range('b', 'y')), m);
rw(e);
std::cout << "range comp general: " << mk_pp(e, m) << "\n";
ENSURE(!su.re.is_complement(e));
}
// -----------------------------------------------------------------------
// 10. Range complement (lo = 0): single range e union [hi+1, max].*
// -----------------------------------------------------------------------
{
expr_ref lo_str(su.str.mk_string(zstring(0u)), m);
expr_ref hi_str(su.str.mk_string(zstring((unsigned)'f')), m);
expr_ref e(su.re.mk_complement(su.re.mk_range(lo_str, hi_str)), m);
rw(e);
std::cout << "range comp lo=min: " << mk_pp(e, m) << "\n";
ENSURE(!su.re.is_complement(e));
}
// -----------------------------------------------------------------------
// 11. Downstream: (re.* (re.range "z" "a")) → str.to_re ""