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smtfd solver that uses lazy iteration around fd to produce theory lemmas

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-09-07 17:48:18 +03:00
parent e881c4af3f
commit c476c4a86a
4 changed files with 1029 additions and 0 deletions
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4
src/ast/rewriter/bv_rewriter.cpp
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@ -2244,6 +2244,10 @@ br_status bv_rewriter::mk_bv_mul(unsigned num_args, expr * const * args, expr_re
br_status bv_rewriter::mk_bit2bool(expr * n, int idx, expr_ref & result) {
rational v, bit;
unsigned sz = 0;
if (m_util.is_mkbv(n)) {
result = to_app(n)->get_arg(idx);
return BR_DONE;
}
if (!is_numeral(n, v, sz))
return BR_FAILED;
if (idx < 0 || idx >= static_cast<int>(sz))