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fix #6978

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This commit is contained in:
Nikolaj Bjorner 2023-11-14 08:45:22 -08:00
parent 4406011881
commit ad2107f079
3 changed files with 3 additions and 2 deletions
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1
src/ast/euf/euf_enode.h
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@ -97,6 +97,7 @@ namespace euf {
for (unsigned i = 0; i < num_args; ++i) {
SASSERT(to_app(f)->get_arg(i) == args[i]->get_expr());
n->m_args[i] = args[i];
n->m_args[i]->get_root()->set_is_shared(l_undef);
}
return n;
}

2
src/smt/smt_enode.cpp
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@ -54,7 +54,7 @@ namespace smt {
for (unsigned i = 0; i < num_args; i++) {
enode * arg = app2enode[owner->get_arg(i)->get_id()];
n->m_args[i] = arg;
arg->m_is_shared = 2;
arg->get_root()->m_is_shared = 2;
SASSERT(n->get_arg(i) == arg);
if (update_children_parent)
arg->get_root()->m_parents.push_back(n);

2
src/smt/theory_lra.cpp
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@ -2077,7 +2077,7 @@ public:
enode * n = get_enode(v);
enode * r = n->get_root();
unsigned usz = m_underspecified.size();
TRACE("shared", tout << ctx().get_scope_level() << " " << v << " " << r->get_num_parents() << "\n";);
TRACE("shared", tout << ctx().get_scope_level() << " " << enode_pp(n, ctx()) << " " << v << " underspecified " << usz << " parents " << r->get_num_parents() << "\n";);
if (r->get_num_parents() > 2*usz) {
for (unsigned i = 0; i < usz; ++i) {
app* u = m_underspecified[i];