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-rw-r--r--test/regress/CMakeLists.txt1
-rw-r--r--test/regress/regress0/arrays/bug4957.smt26
2 files changed, 7 insertions, 0 deletions
diff --git a/test/regress/CMakeLists.txt b/test/regress/CMakeLists.txt
index 0caeafb36..4de32a426 100644
--- a/test/regress/CMakeLists.txt
+++ b/test/regress/CMakeLists.txt
@@ -59,6 +59,7 @@ set(regress_0_tests
regress0/arrays/bug272.minimized.smtv1.smt2
regress0/arrays/bug272.smtv1.smt2
regress0/arrays/bug3020.smt2
+ regress0/arrays/bug4957.smt2
regress0/arrays/bug637.delta.smt2
regress0/arrays/constarr.cvc
regress0/arrays/constarr.smt2
diff --git a/test/regress/regress0/arrays/bug4957.smt2 b/test/regress/regress0/arrays/bug4957.smt2
new file mode 100644
index 000000000..f82ae1932
--- /dev/null
+++ b/test/regress/regress0/arrays/bug4957.smt2
@@ -0,0 +1,6 @@
+; COMMAND-LINE: --ackermann --no-check-unsat-cores
+; EXPECT: unsat
+(set-logic QF_ALIA)
+(declare-fun a () (Array Int Int))
+(assert (distinct (select a 0) (select (ite false a a) 0)))
+(check-sat)
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