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scoping th solver to avoid memory leak during cancellation exposed by #3431

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-03-22 14:14:45 -07:00
parent d1f6470805
commit 70a1786061
5 changed files with 10 additions and 6 deletions
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1
src/ast/ast.cpp
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@ -1824,6 +1824,7 @@ ast * ast_manager::register_node_core(ast * 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";);
TRACE("mk_var_bug", tout << "mk_ast: " << n->m_id << "\n";);
// increment reference counters

2
src/ast/rewriter/rewriter_def.h
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@ -275,7 +275,7 @@ void rewriter_tpl<Config>::process_app(app * t, frame & fr) {
unsigned new_num_args = result_stack().size() - fr.m_spos;
expr * const * new_args = result_stack().c_ptr() + fr.m_spos;
app * new_t;
app_ref new_t(m());
if (ProofGen) {
elim_reflex_prs(fr.m_spos);
unsigned num_prs = result_pr_stack().size() - fr.m_spos;