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add phase selection to theory-aware branching queue

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This commit is contained in:
Murphy Berzish 2017-01-14 14:43:57 -05:00
parent dd03632f3d
commit a9ec8666f0
1 changed files with 26 additions and 18 deletions
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32
src/smt/smt_case_split_queue.cpp
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@ -1231,11 +1231,14 @@ namespace smt {
smt_params & m_params;
theory_var_priority_map m_theory_var_priority;
theory_aware_act_queue m_queue;
int_hashtable<int_hash, default_eq<bool_var> > m_theory_vars;
map<bool_var, lbool, int_hash, default_eq<bool_var> > m_theory_var_phase;
public:
theory_aware_branching_queue(context & ctx, smt_params & p):
m_context(ctx),
m_params(p),
m_theory_var_priority(),
m_theory_var_priority(),
m_queue(1024, theory_aware_act_lt(ctx.get_activity_vector(), m_theory_var_priority)) {
}
@ -1290,20 +1293,25 @@ namespace smt {
}
next = null_bool_var;
if (m_theory_vars.contains(next)) {
if (!m_theory_var_phase.find(next, phase)) {
phase = l_undef;
}
}
}
virtual void add_theory_aware_branching_info(bool_var v, double priority, lbool phase) {
TRACE("theory_aware_branching", tout << "Add theory-aware branching information for l#" << v << ": priority=" << priority << std::endl;);
// m_theory_vars.insert(v);
// m_theory_var_phase.insert(v, phase);
m_theory_vars.insert(v);
m_theory_var_phase.insert(v, phase);
m_theory_var_priority.insert(v, priority);
if (m_queue.contains(v)) {
if (priority > 0.0) {
m_queue.decreased(v);
} else {
m_queue.increased(v);
}
}
if (m_queue.contains(v)) {
if (priority > 0.0) {
m_queue.decreased(v);
} else {
m_queue.increased(v);
}
}
// m_theory_queue.reserve(v+1);
// m_theory_queue.insert(v);
}
@ -1333,12 +1341,12 @@ namespace smt {
case_split_queue * mk_case_split_queue(context & ctx, smt_params & p) {
if (p.m_relevancy_lvl < 2 && (p.m_case_split_strategy == CS_RELEVANCY || p.m_case_split_strategy == CS_RELEVANCY_ACTIVITY ||
p.m_case_split_strategy == CS_RELEVANCY_GOAL)) {
p.m_case_split_strategy == CS_RELEVANCY_GOAL)) {
warning_msg("relevancy must be enabled to use option CASE_SPLIT=3, 4 or 5");
p.m_case_split_strategy = CS_ACTIVITY;
}
if (p.m_auto_config && (p.m_case_split_strategy == CS_RELEVANCY || p.m_case_split_strategy == CS_RELEVANCY_ACTIVITY ||
p.m_case_split_strategy == CS_RELEVANCY_GOAL)) {
p.m_case_split_strategy == CS_RELEVANCY_GOAL)) {
warning_msg("auto configuration (option AUTO_CONFIG) must be disabled to use option CASE_SPLIT=3, 4 or 5");
p.m_case_split_strategy = CS_ACTIVITY;
}