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produce error message for cores with optimization. Issue #825

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-12-09 13:15:40 +01:00
parent 99b7c26e9f
commit 0ab2067b69
2 changed files with 6 additions and 1 deletions
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2
src/opt/opt_context.h
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@ -190,7 +190,7 @@ namespace opt {
virtual void collect_statistics(statistics& stats) const;
virtual proof* get_proof() { return 0; }
virtual void get_labels(svector<symbol> & r);
virtual void get_unsat_core(ptr_vector<expr> & r) {}
virtual void get_unsat_core(ptr_vector<expr> & r);
virtual std::string reason_unknown() const;
virtual void set_reason_unknown(char const* msg) { m_unknown = msg; }