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First partially working pdr strategy in spacer

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This commit is contained in:
Arie Gurfinkel 2018-06-05 16:12:45 -07:00
parent ab5f579d0b
commit 521392a8f1
5 changed files with 95 additions and 17 deletions
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13
src/muz/spacer/spacer_context.cpp
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@ -2591,7 +2591,14 @@ lbool context::solve(unsigned from_lvl)
{
m_last_result = l_undef;
try {
m_last_result = solve_core (from_lvl);
if (m_params.spacer_gpdr()) {
SASSERT(from_lvl == 0);
m_last_result = gpdr_solve_core();
}
else {
m_last_result = solve_core (from_lvl);
}
if (m_last_result == l_false) {
simplify_formulas();
m_last_result = l_false;
@ -2967,7 +2974,7 @@ lbool context::solve_core (unsigned from_lvl)
unsigned max_level = get_params ().spacer_max_level ();
for (unsigned i = 0; i < max_level; ++i) {
for (unsigned i = from_lvl; i < max_level; ++i) {
checkpoint();
m_expanded_lvl = infty_level ();
m_stats.m_max_query_lvl = lvl;
@ -3244,6 +3251,7 @@ void context::predecessor_eh()
/// out contains new pobs to add to the queue in case the result is l_undef
lbool context::expand_pob(pob& n, pob_ref_buffer &out)
{
SASSERT(out.empty());
pob::on_expand_event _evt(n);
TRACE ("spacer",
tout << "expand-pob: " << n.pt().head()->get_name()
@ -3630,7 +3638,6 @@ bool context::create_children(pob& n, datalog::rule const& r,
const vector<bool> &reach_pred_used,
pob_ref_buffer &out)
{
scoped_watch _w_ (m_create_children_watch);
pred_transformer& pt = n.pt();