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significant update to Horn routines: add module hnf to extract Horn normal form (removed from rule_manager). Associate proof objects with rules to track (all) rewrites, so that proof traces can be tracked back to original rules after transformations

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-03-23 14:11:54 -07:00
parent e73c06a8b0
commit 26f4d3be20
60 changed files with 591 additions and 428 deletions
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7
src/muz_qe/pdr_context.h
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@ -240,6 +240,7 @@ namespace pdr {
void erase_leaf(model_node& n);
void remove_node(model_node& n);
void enqueue_leaf(model_node& n); // add leaf to priority queue.
void update_models();
public:
model_search(bool bfs): m_bfs(bfs), m_root(0) {}
~model_search();
@ -253,8 +254,8 @@ 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(context const& ctx) const;
proof_ref get_proof_trace(context const& ctx) const;
expr_ref get_trace(context const& ctx);
proof_ref get_proof_trace(context const& ctx);
void backtrack_level(bool uses_level, model_node& n);
};
@ -299,7 +300,7 @@ namespace pdr {
decl2rel m_rels; // Map from relation predicate to fp-operator.
func_decl_ref m_query_pred;
pred_transformer* m_query;
model_search m_search;
mutable model_search m_search;
lbool m_last_result;
unsigned m_inductive_lvl;
ptr_vector<core_generalizer> m_core_generalizers;