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ensure statistics survive cancelation in tactics, fix propagation for smtfd

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-10-18 19:22:36 -07:00
parent 203ba12abc
commit 11736f078e
2 changed files with 15 additions and 4 deletions
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8
src/tactic/fd_solver/smtfd_solver.cpp
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@ -584,6 +584,8 @@ namespace smtfd {
m_pinned.reset();
m_tables.reset();
m_ast2table.reset();
m_values.reset();
m_model = nullptr;
}
};
@ -875,7 +877,7 @@ namespace smtfd {
expr_ref val2 = eval_abs(stored_value);
// A[i] = v
if (val1 != val2) {
TRACE("smtfd", tout << "select/store: " << mk_pp(t, m) << "\n";);
TRACE("smtfd", tout << "select/store: " << mk_bounded_pp(t, m, 2) << "\n";);
add_lemma(m.mk_eq(sel, stored_value));
}
m_pinned.push_back(sel);
@ -1080,6 +1082,7 @@ namespace smtfd {
{}
void check_term(expr* t, unsigned round) override {
TRACE("smtfd", tout << mk_bounded_pp(t, m, 2) << "\n";);
switch (round) {
case 0:
if (m_autil.is_select(t)) {
@ -1797,8 +1800,8 @@ namespace smtfd {
lbool refine_core(expr_ref_vector & core) {
lbool r = l_true;
unsigned round = 0;
m_context.reset(m_model);
while (true) {
m_context.reset(m_model);
if (!m_context.add_theory_axioms(core, round)) {
break;
}
@ -1822,6 +1825,7 @@ namespace smtfd {
case l_true:
m_fd_sat_solver->get_model(m_model);
m_model->set_model_completion(true);
m_context.reset(m_model);
break;
default:
return r;