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fix traffic jam

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-06-10 15:28:18 -07:00
parent 27ec5c688f
commit 7bfb730fee
7 changed files with 217 additions and 94 deletions
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6
src/muz/rel/dl_mk_explanations.cpp
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@ -478,11 +478,13 @@ namespace datalog {
relation_mutator_fn * explanation_relation_plugin::mk_filter_interpreted_fn(const relation_base & r,
app * cond) {
if (&r.get_plugin()!=this) {
if (&r.get_plugin() != this) {
TRACE("dl", tout << "not same plugin\n";);
return nullptr;
}
ast_manager & m = get_ast_manager();
if (!m.is_eq(cond)) {
TRACE("dl", tout << "not equality " << mk_pp(cond, m) << "\n";);
return nullptr;
}
expr * arg1 = cond->get_arg(0);
@ -493,11 +495,13 @@ namespace datalog {
}
if (!is_var(arg1) || !is_app(arg2)) {
TRACE("dl", tout << "not variable assignemnt\n";);
return nullptr;
}
var * col_var = to_var(arg1);
app * new_rule = to_app(arg2);
if (!get_context().get_decl_util().is_rule_sort(col_var->get_sort())) {
TRACE("dl", tout << "not rule sort\n";);
return nullptr;
}
unsigned col_idx = col_var->get_idx();