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adding trail/levels

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-01-29 14:45:51 -08:00
parent e22c657811
commit 8d20310758
21 changed files with 199 additions and 7 deletions
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16
src/smt/smt_context.cpp
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@ -4423,6 +4423,22 @@ namespace smt {
m = const_cast<model*>(m_model.get());
}
void context::get_levels(ptr_vector<expr> const& vars, unsigned_vector& depth) {
unsigned sz = vars.size();
depth.resize(sz);
for (unsigned i = 0; i < sz; ++i) {
expr* v = vars[i];
bool_var bv = m_expr2bool_var.get(v->get_id(), null_bool_var);
depth[i] = bv == null_bool_var ? UINT_MAX : get_assign_level(bv);
}
}
expr_ref_vector context::get_trail() {
expr_ref_vector result(get_manager());
get_assignments(result);
return result;
}
void context::get_proto_model(proto_model_ref & m) const {
m = const_cast<proto_model*>(m_proto_model.get());
}