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hardening model checker code against cancellations'

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-03-21 15:04:20 -07:00
parent 3dc2028925
commit 701f32471e
3 changed files with 8 additions and 3 deletions
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3
src/ast/rewriter/rewriter_def.h
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@ -595,6 +595,9 @@ void rewriter_tpl<Config>::set_inv_bindings(unsigned num_bindings, expr * const
template<typename Config>
template<bool ProofGen>
void rewriter_tpl<Config>::main_loop(expr * t, expr_ref & result, proof_ref & result_pr) {
if (m().canceled()) {
throw rewriter_exception(m().limit().get_cancel_msg());
}
SASSERT(!ProofGen || result_stack().size() == result_pr_stack().size());
SASSERT(not_rewriting());
m_root = t;