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#5460

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This commit is contained in:
Nikolaj Bjorner 2021-08-08 16:29:31 -07:00
parent 5de5f5a442
commit e27a71bbcb
1 changed files with 5 additions and 2 deletions
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7
src/tactic/core/pb_preprocess_tactic.cpp
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@ -44,6 +44,7 @@ class pb_preprocess_tactic : public tactic {
struct rec { unsigned_vector pos, neg; rec() { } };
typedef obj_map<app, rec> var_map;
ast_manager& m;
expr_ref_vector m_trail;
pb_util pb;
var_map m_vars;
unsigned_vector m_ge;
@ -99,7 +100,7 @@ class pb_preprocess_tactic : public tactic {
public:
pb_preprocess_tactic(ast_manager& m, params_ref const& p = params_ref()):
m(m), pb(m), m_r(m) {}
m(m), m_trail(m), pb(m), m_r(m) {}
~pb_preprocess_tactic() override {}
@ -157,7 +158,7 @@ public:
m_progress = false;
// first eliminate variables
var_map::iterator it = next_resolvent(m_vars.begin());
while (it != m_vars.end()) {
while (it != m_vars.end()) {
app * e = it->m_key;
rec const& r = it->m_value;
TRACE("pb", tout << mk_pp(e, m) << " " << r.pos.size() << " " << r.neg.size() << "\n";);
@ -235,6 +236,7 @@ private:
m_ge.reset();
m_other.reset();
m_vars.reset();
m_trail.reset();
}
expr* negate(expr* e) {
@ -410,6 +412,7 @@ private:
void insert(unsigned i, app* e, bool pos) {
SASSERT(is_uninterp_const(e));
if (!m_vars.contains(e)) {
m_trail.push_back(e);
m_vars.insert(e, rec());
}
if (pos) {