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add at-least and pbge to API, fix for issue #864

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-01-09 21:23:00 -08:00
parent c69a86e647
commit 8d09b6e4a8
11 changed files with 182 additions and 48 deletions
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14
src/smt/smt_context_inv.cpp
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@ -402,6 +402,20 @@ namespace smt {
#endif
bool context::validate_justification(bool_var v, bool_var_data const& d, b_justification const& j) {
if (j.get_kind() == b_justification::CLAUSE && v != true_bool_var) {
clause* cls = j.get_clause();
unsigned num_lits = cls->get_num_literals();
literal l = cls->get_literal(0);
if (l.var() != v) {
l = cls->get_literal(1);
}
SASSERT(l.var() == v);
SASSERT(m_assignment[l.index()] == l_true);
}
return true;
}
bool context::validate_model() {
if (!m_proto_model) {
return true;