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fix bugs reported by Arie Gurfinkel

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-03-03 13:55:41 -08:00
parent 523dc0fb36
commit 197b2e8ddb
2 changed files with 103 additions and 43 deletions
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4
src/muz_qe/pdr_context.h
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@ -138,6 +138,7 @@ namespace pdr {
ptr_vector<app>& get_aux_vars(datalog::rule const& r) { return m_rule2vars.find(&r); }
bool propagate_to_next_level(unsigned level);
void propagate_to_infinity(unsigned level);
void add_property(expr * lemma, unsigned lvl); // add property 'p' to state at level.
lbool is_reachable(model_node& n, expr_ref_vector* core, bool& uses_level);
@ -223,7 +224,6 @@ namespace pdr {
void set_rule(datalog::rule const* r) { m_rule = r; }
datalog::rule* get_rule();
expr_ref get_trace() const;
void mk_instantiate(datalog::rule_ref& r0, datalog::rule_ref& r1, expr_ref_vector& binding);
std::ostream& display(std::ostream& out, unsigned indent);
@ -253,7 +253,7 @@ namespace pdr {
void set_root(model_node* n);
model_node& get_root() const { return *m_root; }
std::ostream& display(std::ostream& out) const;
expr_ref get_trace() const;
expr_ref get_trace(context const& ctx) const;
proof_ref get_proof_trace(context const& ctx) const;
void backtrack_level(bool uses_level, model_node& n);
};