From c1ddfb10d4e8ed7ae1738647a67d28edb4ccdb55 Mon Sep 17 00:00:00 2001
From: Clark Barrett <barrett@cs.nyu.edu>
Date: Tue, 13 Nov 2012 02:28:05 +0000
Subject: Fixed an array rewriting bug found by fuzzer

---
 test/regress/regress0/aufbv/Makefile.am           |  3 ++-
 test/regress/regress0/aufbv/array_rewrite_bug.smt | 19 +++++++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 test/regress/regress0/aufbv/array_rewrite_bug.smt

(limited to 'test')

diff --git a/test/regress/regress0/aufbv/Makefile.am b/test/regress/regress0/aufbv/Makefile.am
index 764dd6573..1a698b180 100644
--- a/test/regress/regress0/aufbv/Makefile.am
+++ b/test/regress/regress0/aufbv/Makefile.am
@@ -45,7 +45,8 @@ TESTS =	\
 	fuzz11.smt \
 	fuzz12.smt \
 	fifo32bc06k08.delta01.smt \
-	rewrite_bug.smt
+	rewrite_bug.smt \
+	array_rewrite_bug.smt
 
 
 EXTRA_DIST = $(TESTS)
diff --git a/test/regress/regress0/aufbv/array_rewrite_bug.smt b/test/regress/regress0/aufbv/array_rewrite_bug.smt
new file mode 100644
index 000000000..972dec530
--- /dev/null
+++ b/test/regress/regress0/aufbv/array_rewrite_bug.smt
@@ -0,0 +1,19 @@
+(benchmark fuzzsmt
+:logic QF_AUFBV
+:extrafuns ((a1 Array[14:11]))
+:status sat
+:formula
+(let (?n1 bv1[16])
+(let (?n2 (extract[13:0] ?n1))
+(let (?n3 bv0[11])
+(let (?n4 (store a1 ?n2 ?n3))
+(let (?n5 bv0[14])
+(let (?n6 (select a1 ?n5))
+(let (?n7 (store ?n4 ?n5 ?n6))
+(let (?n8 (zero_extend[3] ?n6))
+(let (?n9 (select ?n7 ?n8))
+(let (?n10 (sign_extend[2] ?n9))
+(let (?n11 (zero_extend[3] ?n10))
+(flet ($n12 (bvugt ?n1 ?n11))
+$n12
+)))))))))))))
-- 
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