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flush cache when proof mode changes

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-01-15 14:32:18 +05:30
parent e28701a64c
commit 05b7aa3ebb
6 changed files with 52 additions and 3 deletions
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9
src/ast/simplifier/base_simplifier.h
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@ -20,6 +20,7 @@ Notes:
#define _BASE_SIMPLIFIER_H_
#include"expr_map.h"
#include"ast_pp.h"
/**
\brief Implements basic functionality used by expression simplifiers.
@ -32,12 +33,19 @@ protected:
void cache_result(expr * n, expr * r, proof * p) {
m_cache.insert(n, r, p);
CTRACE("simplifier", !is_rewrite_proof(n, r, p),
tout << mk_pp(n, m) << "\n";
tout << mk_pp(r, m) << "\n";
tout << mk_pp(p, m) << "\n";);
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); }
void reinitialize() { m_cache.set_store_proofs(m.fine_grain_proofs()); }
void visit(expr * n, bool & visited) {
if (!is_cached(n)) {
m_todo.push_back(n);
@ -55,6 +63,7 @@ public:
bool is_rewrite_proof(expr* n, expr* r, proof* p) {
if (p &&
!m.is_undef_proof(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 &&

1
src/ast/simplifier/simplifier.cpp
View file

@ -61,6 +61,7 @@ void simplifier::enable_ac_support(bool flag) {
*/
void simplifier::operator()(expr * s, expr_ref & r, proof_ref & p) {
m_need_reset = true;
reinitialize();
expr * s_orig = s;
expr * old_s;
expr * result;