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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-10-26 10:11:03 -05:00
parent 67077d960e
commit c5cbf985ca
5 changed files with 21 additions and 8 deletions
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15
src/smt/theory_recfun.cpp
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@ -62,6 +62,9 @@ namespace smt {
bool theory_recfun::internalize_atom(app * atom, bool gate_ctx) {
TRACEFN(mk_pp(atom, m));
if (!u().has_defs()) {
return false;
}
for (expr * arg : *atom) {
ctx().internalize(arg, false);
}
@ -76,6 +79,9 @@ namespace smt {
}
bool theory_recfun::internalize_term(app * term) {
if (!u().has_defs()) {
return false;
}
for (expr* e : *term) {
ctx().internalize(e, false);
}
@ -111,26 +117,26 @@ namespace smt {
*/
void theory_recfun::relevant_eh(app * n) {
SASSERT(ctx().relevancy());
if (u().is_defined(n)) {
if (u().is_defined(n) && u().has_defs()) {
TRACEFN("relevant_eh: (defined) " << mk_pp(n, m));
push_case_expand(alloc(case_expansion, u(), n));
}
}
void theory_recfun::push_scope_eh() {
TRACEFN("push_scope");
theory::push_scope_eh();
m_preds_lim.push_back(m_preds.size());
}
void theory_recfun::pop_scope_eh(unsigned num_scopes) {
TRACEFN("pop_scope " << num_scopes);
theory::pop_scope_eh(num_scopes);
reset_queues();
// restore depth book-keeping
unsigned new_lim = m_preds_lim.size()-num_scopes;
#if 0
// depth tracking of recursive unfolding is
// turned off when enabling this code:
unsigned start = m_preds_lim[new_lim];
for (unsigned i = start; i < m_preds.size(); ++i) {
m_pred_depth.remove(m_preds.get(i));
@ -337,7 +343,6 @@ namespace smt {
continue;
}
literal_vector guards;
guards.push_back(concl);
for (auto & g : c.get_guards()) {
@ -354,6 +359,8 @@ namespace smt {
assert_body_axiom(be);
}
}
// the disjunction of branches is asserted
// to close the available cases.
ctx().mk_th_axiom(get_id(), preds);
}