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fixing #2448

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-08-02 18:05:04 +08:00
parent 95eb0a0521
commit 3d1c40ce23
12 changed files with 61 additions and 38 deletions
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1
src/ast/ast.cpp
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@ -1814,7 +1814,6 @@ ast * ast_manager::register_node_core(ast * n) {
SASSERT(m_ast_table.contains(n));
}
n->m_id = is_decl(n) ? m_decl_id_gen.mk() : m_expr_id_gen.mk();
TRACE("ast", tout << "Object " << n->m_id << " was created.\n";);

4
src/ast/rewriter/seq_rewriter.cpp
View file

@ -478,7 +478,7 @@ br_status seq_rewriter::mk_app_core(func_decl * f, unsigned num_args, expr * con
SASSERT(num_args == 2);
st = mk_seq_at(args[0], args[1], result);
break;
#if 0
#if 1
case OP_SEQ_NTH:
SASSERT(num_args == 2);
return mk_seq_nth(args[0], args[1], result);
@ -1805,6 +1805,7 @@ br_status seq_rewriter::mk_eq_core(expr * l, expr * r, expr_ref & result) {
bool changed = false;
if (!reduce_eq(l, r, lhs, rhs, changed)) {
result = m().mk_false();
TRACE("seq", tout << result << "\n";);
return BR_DONE;
}
if (!changed) {
@ -1814,6 +1815,7 @@ br_status seq_rewriter::mk_eq_core(expr * l, expr * r, expr_ref & result) {
res.push_back(m().mk_eq(lhs.get(i), rhs.get(i)));
}
result = mk_and(res);
TRACE("seq", tout << result << "\n";);
return BR_REWRITE3;
}