1 files changed, 29 insertions, 0 deletions
diff --git a/test/regress/regress0/strings/norn-simp-rew.smt2 b/test/regress/regress0/strings/norn-simp-rew.smt2
new file mode 100755
index 000000000..d0cd69cb0
--- /dev/null
+++ b/test/regress/regress0/strings/norn-simp-rew.smt2
@@ -0,0 +1,29 @@
+(set-logic QF_SLIA)
+(set-option :strings-exp true)
+(set-info :status unsat)
+
+(declare-fun var_0 () String)
+(declare-fun var_1 () String)
+(declare-fun var_2 () String)
+(declare-fun var_3 () String)
+(declare-fun var_4 () String)
+(declare-fun var_5 () String)
+(declare-fun var_6 () String)
+(declare-fun var_7 () String)
+(declare-fun var_8 () String)
+(declare-fun var_9 () String)
+(declare-fun var_10 () String)
+(declare-fun var_11 () String)
+(declare-fun var_12 () String)
+
+(assert (str.in.re (str.++ var_7 "z" var_8 ) (re.++ (re.* (re.union (re.union (str.to.re "z") (str.to.re "a")) (re.++ (str.to.re "b") (re.++ (re.* (str.to.re "b")) (re.union (str.to.re "z") (str.to.re "a")))))) (re.++ (str.to.re "b") (re.* (str.to.re "b"))))))
+(assert (str.in.re (str.++ var_7 "z" var_8 ) (re.++ (re.* (re.union (str.to.re "a") (re.++ (str.to.re "b") (re.++ (re.* (re.union (str.to.re "b") (str.to.re "a"))) (str.to.re "z"))))) (re.++ (str.to.re "b") (re.* (re.union (str.to.re "b") (str.to.re "a")))))))
+(assert (str.in.re (str.++ var_7 "z" var_8 ) (re.++ (re.* (re.++ (str.to.re "b") (re.++ (re.* (re.union (str.to.re "z") (str.to.re "b"))) (str.to.re "a")))) (re.++ (str.to.re "b") (re.* (re.union (str.to.re "z") (str.to.re "b")))))))
+(assert (str.in.re (str.++ var_7 "z" var_8 ) (re.++ (re.* (re.union (str.to.re "z") (re.++ (re.union (str.to.re "b") (str.to.re "a")) (re.union (str.to.re "z") (str.to.re "b"))))) (re.union (str.to.re "b") (str.to.re "a")))))
+(assert (str.in.re (str.++ var_7 "z" var_8 ) (re.* (re.++ (str.to.re "b") (re.++ (re.* (str.to.re "z")) (str.to.re "b"))))))
+(assert (str.in.re (str.++ var_7 "z" var_8 ) (re.++ (re.* (re.++ (str.to.re "b") (str.to.re "z"))) (str.to.re "b"))))
+(assert (str.in.re (str.++ "a" var_8 ) (re.* (re.range "a" "u"))))
+(assert (str.in.re var_8 (re.* (re.range "a" "u"))))
+(assert (str.in.re var_7 (re.* (re.range "a" "u"))))
+(assert (not (str.in.re (str.++ "b" var_7 ) (re.* (re.range "a" "u")))))
+(check-sat)
+\ No newline at end of file