bv reduced with decision: sat instead of unsat

diff --git a/test/regress/regress0/bv/core/bitvec0.delta01.smt b/test/regress/regress0/bv/core/bitvec0.delta01.smt
new file mode 100644 (file)
index 0000000..55aec06
--- /dev/null
+++ b/test/regress/regress0/bv/core/bitvec0.delta01.smt
@@ -0,0 +1,20 @@
+(benchmark bitvec0.smt
+:logic QF_BV
+:extrafuns ((t BitVec[32]))
+:status unknown
+:formula
+(let (?n1 (extract[4:0] t))
+(let (?n2 (extract[6:2] t))
+(flet ($n3 (= ?n1 ?n2))
+(let (?n4 (extract[6:6] t))
+(let (?n5 (extract[0:0] t))
+(flet ($n6 (= ?n4 ?n5))
+(let (?n7 (extract[1:1] t))
+(let (?n8 (extract[5:5] t))
+(flet ($n9 (= ?n7 ?n8))
+(flet ($n10 (and $n6 $n9))
+(flet ($n11 true)
+(flet ($n12 (if_then_else $n3 $n10 $n11))
+(flet ($n13 (not $n12))
+$n13
+))))))))))))))