1 files changed, 10 insertions, 0 deletions
diff --git a/test/Feature/DoubleFree.c b/test/Feature/DoubleFree.c
new file mode 100644
index 00000000..3727ef2b
--- /dev/null
+++ b/test/Feature/DoubleFree.c
@@ -0,0 +1,10 @@
+// RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
+// RUN: %klee %t1.bc
+// RUN: test -f klee-last/test000001.ptr.err
+
+int main() {
+  int *x = malloc(4);
+  free(x);
+  free(x);
+  return 0;
+}