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Add proper error message for btor recursion_guard

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Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2019-05-24 16:22:34 +02:00
parent 67a4850e35
commit b7dd7c2dcd
1 changed files with 7 additions and 1 deletions
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8
backends/btor/btor.cc
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@ -129,7 +129,13 @@ struct BtorWorker
void export_cell(Cell *cell)
{
log_assert(cell_recursion_guard.count(cell) == 0);
if (cell_recursion_guard.count(cell)) {
string cell_list;
for (auto c : cell_recursion_guard)
cell_list += stringf("\n %s", log_id(c));
log_error("Found topological loop while processing cell %s. Active cells:%s\n", log_id(cell), cell_list.c_str());
}
cell_recursion_guard.insert(cell);
btorf_push(log_id(cell));