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authorAndrew Reynolds <andrew.j.reynolds@gmail.com>2018-08-09 15:11:27 -0500
committerAina Niemetz <aina.niemetz@gmail.com>2018-08-09 13:11:27 -0700
commit0a02fd2b69c0c0f454fc33d8028b24f4fcf431de (patch)
treec1ac5ce905728635b4e872810d68dd3f51ba01d8 /test
parent5052848f548aefd50cca9550b750eb537eee258c (diff)
Fix char overflow issues in regular expression solver (#2275)
Diffstat (limited to 'test')
-rw-r--r--test/regress/Makefile.tests1
-rw-r--r--test/regress/regress1/strings/nterm-re-inter-sigma.smt211
2 files changed, 12 insertions, 0 deletions
diff --git a/test/regress/Makefile.tests b/test/regress/Makefile.tests
index 0724fc163..804077186 100644
--- a/test/regress/Makefile.tests
+++ b/test/regress/Makefile.tests
@@ -1472,6 +1472,7 @@ REG1_TESTS = \
regress1/strings/norn-ab.smt2 \
regress1/strings/norn-nel-bug-052116.smt2 \
regress1/strings/norn-simp-rew-sat.smt2 \
+ regress1/strings/nterm-re-inter-sigma.smt2 \
regress1/strings/pierre150331.smt2 \
regress1/strings/re-unsound-080718.smt2 \
regress1/strings/regexp001.smt2 \
diff --git a/test/regress/regress1/strings/nterm-re-inter-sigma.smt2 b/test/regress/regress1/strings/nterm-re-inter-sigma.smt2
new file mode 100644
index 000000000..4ac3efff7
--- /dev/null
+++ b/test/regress/regress1/strings/nterm-re-inter-sigma.smt2
@@ -0,0 +1,11 @@
+(set-info :smt-lib-version 2.5)
+(set-logic ALL)
+(set-info :status sat)
+(set-option :strings-exp true)
+(declare-fun x () String)
+
+(assert
+(not (= (str.in.re x (re.++ (re.++ re.allchar re.allchar ) (re.* re.allchar ))) (not (str.in.re x (re.* (str.to.re "A")))))
+))
+
+(check-sat)
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