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user propagator fixes

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-08-19 19:32:23 -07:00
parent de65c61ebc
commit ba4a218fc0
4 changed files with 22 additions and 11 deletions
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19
src/smt/user_propagator.cpp
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@ -49,6 +49,17 @@ unsigned user_propagator::add_expr(expr* e) {
return v;
}
void user_propagator::add_propagation(unsigned sz, unsigned const* ids, expr* conseq) {
m_prop.push_back(prop_info(sz, ids, expr_ref(conseq, m)));
}
theory * user_propagator::mk_fresh(context * new_ctx) {
auto* th = alloc(user_propagator, *new_ctx);
void* ctx = m_fresh_eh(m_user_context);
th->add(ctx, m_fixed_eh, m_push_eh, m_pop_eh, m_fresh_eh);
return th;
}
void user_propagator::new_fixed_eh(theory_var v, expr* value, unsigned num_lits, literal const* jlits) {
force_push();
m_id2justification.setx(v, literal_vector(num_lits, jlits), literal_vector());
@ -77,6 +88,8 @@ bool user_propagator::can_propagate() {
}
void user_propagator::propagate() {
if (m_qhead == m_prop.size())
return;
force_push();
unsigned qhead = m_qhead;
literal_vector lits;
@ -86,7 +99,11 @@ void user_propagator::propagate() {
auto const& prop = m_prop[qhead];
lits.reset();
for (unsigned id : prop.m_ids)
lits.append(m_id2justification[id]);
for (literal lit : m_id2justification[id]) {
if (ctx.get_assignment(lit) == l_false)
lit.neg();
lits.push_back(lit);
}
if (m.is_false(prop.m_conseq)) {
js = ctx.mk_justification(
ext_theory_conflict_justification(