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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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12
src/smt/smt_case_split_queue.cpp
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@ -1231,6 +1231,9 @@ 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),
@ -1290,12 +1293,17 @@ 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) {