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add assertions to simplifier

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-01-14 22:09:48 +05:30
parent bd879c1016
commit e28701a64c
14 changed files with 391 additions and 213 deletions
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21
src/ast/simplifier/base_simplifier.h
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@ -26,11 +26,14 @@ Notes:
*/
class base_simplifier {
protected:
ast_manager & m_manager;
ast_manager & m;
expr_map m_cache;
ptr_vector<expr> m_todo;
void cache_result(expr * n, expr * r, proof * p) { m_cache.insert(n, r, p); }
void cache_result(expr * n, expr * r, proof * p) {
m_cache.insert(n, r, p);
SASSERT(is_rewrite_proof(n, r, p));
}
void reset_cache() { m_cache.reset(); }
void flush_cache() { m_cache.flush(); }
void get_cached(expr * n, expr * & r, proof * & p) const { m_cache.get(n, r, p); }
@ -44,11 +47,21 @@ protected:
public:
base_simplifier(ast_manager & m):
m_manager(m),
m(m),
m_cache(m, m.fine_grain_proofs()) {
}
bool is_cached(expr * n) const { return m_cache.contains(n); }
ast_manager & get_manager() { return m_manager; }
ast_manager & get_manager() { return m; }
bool is_rewrite_proof(expr* n, expr* r, proof* p) {
if (p &&
!(m.has_fact(p) &&
(m.is_eq(m.get_fact(p)) || m.is_oeq(m.get_fact(p)) || m.is_iff(m.get_fact(p))) &&
to_app(m.get_fact(p))->get_arg(0) == n &&
to_app(m.get_fact(p))->get_arg(1) == r)) return false;
return (!m.fine_grain_proofs() || p || (n == r));
}
};
#endif /* _BASE_SIMPLIFIER_H_ */