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-rw-r--r--src/hls/GiblePargen.v1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/hls/GiblePargen.v b/src/hls/GiblePargen.v
index c1c5fdb..b2fdd63 100644
--- a/src/hls/GiblePargen.v
+++ b/src/hls/GiblePargen.v
@@ -279,6 +279,7 @@ Definition update (fop : pred_op * forest) (i : instr): option (pred_op * forest
do _ <- assert_ (check_mutexcl predicated);
do _ <- assert_ (predicated_not_in_forest p f);
do _ <- assert_ (is_initial_pred_and_notin f p pred);
+ do _ <- assert_ (match sat_pred_simple (¬ from_predicated_inv predicated) with None => true | Some _ => false end);
Some (pred, f #p p <- new_pred)
| RBexit p c =>
let new_p := simplify (negate (dfltp p) ∧ pred) in