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fix #3860 fix #3861

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-08 16:09:37 -07:00
parent c5e08f0444
commit e1d2480a8b
6 changed files with 67 additions and 48 deletions
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4
src/ast/rewriter/enum2bv_rewriter.cpp
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@ -54,6 +54,7 @@ struct enum2bv_rewriter::imp {
br_status reduce_app(func_decl * f, unsigned num, expr * const * args, expr_ref & result, proof_ref & result_pr) {
expr_ref a0(m), a1(m);
expr_ref_vector _args(m);
result_pr = nullptr;
if (m.is_eq(f) && reduce_arg(args[0], a0) && reduce_arg(args[1], a1)) {
result = m.mk_eq(a0, a1);
return BR_DONE;
@ -201,7 +202,8 @@ struct enum2bv_rewriter::imp {
q->get_weight(), q->get_qid(), q->get_skid(),
q->get_num_patterns(), new_patterns,
q->get_num_no_patterns(), new_no_patterns);
result_pr = nullptr;
if (m.proofs_enabled())
result_pr = m.mk_rewrite(q, result);
return true;
}