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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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6
src/smt/smt_context.h
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@ -363,9 +363,11 @@ namespace smt {
void get_assignments(expr_ref_vector& assignments);
b_justification get_justification(bool_var v) const {
return get_bdata(v).m_justification;
return get_bdata(v).justification();
}
void set_justification(bool_var v, bool_var_data& d, b_justification const& j);
bool has_th_justification(bool_var v, theory_id th_id) const {
b_justification js = get_justification(v);
return js.get_kind() == b_justification::JUSTIFICATION && js.get_justification()->get_from_theory() == th_id;
@ -1381,6 +1383,8 @@ namespace smt {
void validate_consequences(expr_ref_vector const& assumptions, expr_ref_vector const& vars,
expr_ref_vector const& conseq, expr_ref_vector const& unfixed);
bool validate_justification(bool_var v, bool_var_data const& d, b_justification const& j);
void justify(literal lit, index_set& s);
void extract_cores(expr_ref_vector const& asms, vector<expr_ref_vector>& cores, unsigned& min_core_size);