1 files changed, 28 insertions, 0 deletions
diff --git a/test/regress/regress0/aufbv/rewrite_bug.smt b/test/regress/regress0/aufbv/rewrite_bug.smt
new file mode 100644
index 000000000..c0906ba0d
--- /dev/null
+++ b/test/regress/regress0/aufbv/rewrite_bug.smt
@@ -0,0 +1,28 @@
+(benchmark B_
+:logic QF_AUFBV
+:extrafuns ((a Array[32:8]))
+:status sat
+:formula
+(flet ($n1 true)
+(let (?n2 bv0[8])
+(let (?n3 (sign_extend[24] ?n2))
+(let (?n4 bv1[32])
+(let (?n5 bv1[8])
+(let (?n6 (store a ?n4 ?n5))
+(let (?n7 bv0[32])
+(let (?n8 (select a ?n4))
+(let (?n9 (sign_extend[24] ?n8))
+(let (?n10 (extract[7:0] ?n9))
+(let (?n11 (store ?n6 ?n7 ?n10))
+(let (?n12 (select ?n11 ?n4))
+(let (?n13 (store ?n11 ?n4 ?n12))
+(let (?n14 (select ?n13 ?n7))
+(let (?n15 (sign_extend[24] ?n14))
+(flet ($n16 (bvslt ?n3 ?n15))
+(flet ($n17 (not $n16))
+(let (?n18 (select ?n13 ?n4))
+(let (?n19 (sign_extend[24] ?n18))
+(flet ($n20 (bvslt ?n7 ?n19))
+(flet ($n21 (and $n1 $n1 $n1 $n1 $n17 $n20))
+$n21
+))))))))))))))))))))))