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Fixed non-deterministic behaviour in relation_map

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Use of ptr_hash and subsequent iteration led to non-deterministic behaviour in Datalog engine.

Signed-off-by: Matthias Schlaipfer <t-matsch@microsoft.com>
This commit is contained in:
Matthias Schlaipfer 2015-06-02 14:58:31 +01:00
parent aee1813056
commit bc94007207
2 changed files with 2 additions and 2 deletions
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2
src/muz/rel/dl_relation_manager.cpp
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@ -108,7 +108,7 @@ namespace datalog {
void relation_manager::store_relation(func_decl * pred, relation_base * rel) {
SASSERT(rel);
relation_map::entry * e = m_relations.insert_if_not_there2(pred, 0);
relation_map::obj_map_entry * e = m_relations.insert_if_not_there2(pred, 0);
if (e->get_data().m_value) {
e->get_data().m_value->deallocate();
}

2
src/muz/rel/dl_relation_manager.h
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@ -73,7 +73,7 @@ namespace datalog {
typedef map<const relation_plugin *, finite_product_relation_plugin *, ptr_hash<const relation_plugin>,
ptr_eq<const relation_plugin> > rp2fprp_map;
typedef map<func_decl *, relation_base *, ptr_hash<func_decl>, ptr_eq<func_decl> > relation_map;
typedef obj_map<func_decl, relation_base *> relation_map;
typedef ptr_vector<table_plugin> table_plugin_vector;
typedef ptr_vector<relation_plugin> relation_plugin_vector;