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fix #7572 and fix #7574

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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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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src/tactic/arith/bv2real_rewriter.cpp
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@ -146,7 +146,7 @@ void bv2real_util::mk_sbv2real(expr* e, expr_ref& result) {
rational r;
unsigned bv_size = m_bv.get_bv_size(e);
rational bsize = power(rational(2), bv_size);
expr_ref bvr(a().mk_to_real(m_bv.mk_bv2int(e)), m());
expr_ref bvr(a().mk_to_real(m_bv.mk_ubv2int(e)), m());
expr_ref c(m_bv.mk_sle(m_bv.mk_numeral(rational(0), bv_size), e), m());
result = m().mk_ite(c, bvr, a().mk_sub(bvr, a().mk_numeral(bsize, false)));
}