1 files changed, 24 insertions, 0 deletions
diff --git a/test/regress/regress1/sets/card-4.smt2 b/test/regress/regress1/sets/card-4.smt2
new file mode 100644
index 000000000..456e24ca7
--- /dev/null
+++ b/test/regress/regress1/sets/card-4.smt2
@@ -0,0 +1,24 @@
+(set-logic QF_UFLIAFS)
+(set-info :status sat)
+(declare-sort E 0)
+(declare-fun s () (Set E))
+(declare-fun t () (Set E))
+(declare-fun u () (Set E))
+(assert (>= (card (union s t)) 8))
+(assert (>= (card (union s u)) 8))
+;(assert (<= (card (union t u)) 5))
+(assert (<= (card s) 5))
+(assert (= (as emptyset (Set E)) (intersection t u)))
+(declare-fun x1 () E)
+(declare-fun x2 () E)
+(declare-fun x3 () E)
+(declare-fun x4 () E)
+(declare-fun x5 () E)
+(declare-fun x6 () E)
+(assert (member x1 s))
+(assert (member x2 s))
+(assert (member x3 s))
+(assert (member x4 s))
+(assert (member x5 s))
+(assert (member x6 s))
+(check-sat)