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#5518

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patch a gaping hole in recfun
This commit is contained in:
Nikolaj Bjorner 2021-08-31 19:49:18 -07:00
parent 1426390aec
commit 7c782a7ef8
1 changed files with 5 additions and 6 deletions
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11
src/sat/smt/recfun_solver.cpp
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@ -40,7 +40,6 @@ namespace recfun {
}
void solver::reset() {
m_propagation_queue.reset();
m_stats.reset();
m_disabled_guards.reset();
m_enabled_guards.reset();
@ -229,7 +228,7 @@ namespace recfun {
}
void solver::push_prop(propagation_item* p) {
m_propagation_queue.push_back(p);
m_propagation_queue.push_back(p);
ctx.push(push_back_vector<scoped_ptr_vector<propagation_item>>(m_propagation_queue));
}
@ -273,7 +272,8 @@ namespace recfun {
if (!n)
n = mk_enode(e, false);
SASSERT(!n->is_attached_to(get_id()));
mk_var(n);
euf::theory_var w = mk_var(n);
ctx.attach_th_var(n, this, w);
if (u().is_defined(e) && u().has_defs())
push_case_expand(e);
return true;
@ -292,6 +292,8 @@ namespace recfun {
s().assign_scoped(assumption);
}
}
for (expr* g : m_enabled_guards)
push_guard(g);
}
bool solver::should_research(sat::literal_vector const& core) {
@ -322,14 +324,11 @@ namespace recfun {
if (to_delete) {
m_disabled_guards.erase(to_delete);
m_enabled_guards.push_back(to_delete);
push_guard(to_delete);
IF_VERBOSE(2, verbose_stream() << "(smt.recfun :enable-guard " << mk_pp(to_delete, m) << ")\n");
}
else {
IF_VERBOSE(2, verbose_stream() << "(smt.recfun :increment-round)\n");
}
for (expr* g : m_enabled_guards)
push_guard(g);
}
return found;
}