!current[0].isConst() failure

2 files changed, 137 insertions, 0 deletions

diff --git a/test/regress/regress0/bv/fuzz39.delta01.smt b/test/regress/regress0/bv/fuzz39.delta01.smt
new file mode 100644
index 000000000..819815af2
--- /dev/null
+++ b/test/regress/regress0/bv/fuzz39.delta01.smt
@@ -0,0 +1,18 @@
+(benchmark fuzzsmt
+:logic QF_BV
+:extrafuns ((v2 BitVec[14]))
+:status sat
+:formula
+(let (?n1 bv2692[12])
+(let (?n2 bv1[14])
+(flet ($n3 (bvugt ?n2 v2))
+(let (?n4 bv1[1])
+(let (?n5 bv0[1])
+(let (?n6 (ite $n3 ?n4 ?n5))
+(let (?n7 (sign_extend[11] ?n6))
+(let (?n8 (bvsub ?n1 ?n7))
+(let (?n9 (bvmul ?n1 ?n8))
+(let (?n10 bv1[12])
+(flet ($n11 (bvuge ?n9 ?n10))
+$n11
+))))))))))))
diff --git a/test/regress/regress0/bv/fuzz39.smt b/test/regress/regress0/bv/fuzz39.smt
new file mode 100644
index 000000000..bc7528592
--- /dev/null
+++ b/test/regress/regress0/bv/fuzz39.smt
@@ -0,0 +1,119 @@
+(benchmark fuzzsmt
+:logic QF_BV
+:status unsat
+:extrafuns ((v0 BitVec[3]))
+:extrafuns ((v1 BitVec[13]))
+:extrafuns ((v2 BitVec[14]))
+:extrafuns ((v3 BitVec[14]))
+:formula
+(let (?e4 bv2692[12])
+(let (?e5 (bvashr v1 (sign_extend[1] ?e4)))
+(let (?e6 (ite (bvugt (zero_extend[1] v1) v2) bv1[1] bv0[1]))
+(let (?e7 (ite (bvult v2 (zero_extend[1] ?e5)) bv1[1] bv0[1]))
+(let (?e8 (ite (distinct v3 (zero_extend[13] ?e7)) bv1[1] bv0[1]))
+(let (?e9 (bvsub ?e4 (sign_extend[11] ?e6)))
+(let (?e10 (ite (bvsle v2 (sign_extend[2] ?e9)) bv1[1] bv0[1]))
+(let (?e11 (bvmul ?e9 ?e4))
+(let (?e12 (bvneg ?e11))
+(let (?e13 (bvsdiv (zero_extend[1] ?e9) ?e5))
+(let (?e14 (bvsdiv (sign_extend[11] ?e8) ?e4))
+(let (?e15 (bvnor (zero_extend[2] ?e7) v0))
+(flet ($e16 (bvule (sign_extend[11] ?e10) ?e4))
+(flet ($e17 (bvuge (zero_extend[11] ?e8) ?e9))
+(flet ($e18 (bvugt (zero_extend[2] ?e6) v0))
+(flet ($e19 (bvsgt ?e15 ?e15))
+(flet ($e20 (bvsle v3 (zero_extend[2] ?e12)))
+(flet ($e21 (bvult ?e11 ?e14))
+(flet ($e22 (bvule (zero_extend[9] v0) ?e9))
+(flet ($e23 (bvult (zero_extend[11] v0) v3))
+(flet ($e24 (distinct (sign_extend[11] ?e6) ?e9))
+(flet ($e25 (bvult ?e12 ?e9))
+(flet ($e26 (= (sign_extend[2] ?e14) v2))
+(flet ($e27 (bvuge ?e12 ?e14))
+(flet ($e28 (bvsge ?e7 ?e8))
+(flet ($e29 (bvsle v3 (sign_extend[1] ?e13)))
+(flet ($e30 (bvsgt (zero_extend[2] ?e11) v2))
+(flet ($e31 (bvugt ?e7 ?e7))
+(flet ($e32 (bvsgt v1 v1))
+(flet ($e33 (bvslt (zero_extend[2] ?e12) v2))
+(flet ($e34 (bvuge ?e4 ?e4))
+(flet ($e35 (bvule (zero_extend[10] v0) ?e13))
+(flet ($e36 (bvugt ?e4 ?e9))
+(flet ($e37 (= ?e9 (zero_extend[11] ?e10)))
+(flet ($e38 (bvule ?e14 (zero_extend[9] ?e15)))
+(flet ($e39 (= v1 (sign_extend[10] v0)))
+(flet ($e40 (bvsle ?e12 ?e14))
+(flet ($e41 (= ?e4 (zero_extend[9] ?e15)))
+(flet ($e42 (bvuge ?e4 (sign_extend[11] ?e6)))
+(flet ($e43 (bvslt v1 (zero_extend[12] ?e10)))
+(flet ($e44 (bvsge ?e9 (zero_extend[11] ?e10)))
+(flet ($e45 (bvsge ?e11 (sign_extend[11] ?e6)))
+(flet ($e46 (bvuge ?e7 ?e7))
+(flet ($e47 (distinct v0 v0))
+(flet ($e48 (bvule v2 (zero_extend[13] ?e8)))
+(flet ($e49 (bvsgt ?e13 (sign_extend[12] ?e8)))
+(flet ($e50 (= ?e9 ?e4))
+(flet ($e51 (distinct (sign_extend[11] ?e7) ?e4))
+(flet ($e52 (= v0 (zero_extend[2] ?e10)))
+(flet ($e53 (distinct (zero_extend[12] ?e6) v1))
+(flet ($e54 (bvugt ?e4 ?e9))
+(flet ($e55 (bvslt ?e14 (sign_extend[11] ?e7)))
+(flet ($e56 (bvult ?e14 ?e4))
+(flet ($e57 (= (zero_extend[1] ?e13) v3))
+(flet ($e58 (bvsle ?e9 (zero_extend[11] ?e7)))
+(flet ($e59 (bvult (zero_extend[9] ?e15) ?e4))
+(flet ($e60 (bvult ?e5 (zero_extend[10] v0)))
+(flet ($e61 (and $e28 $e55))
+(flet ($e62 (or $e50 $e37))
+(flet ($e63 (xor $e49 $e23))
+(flet ($e64 (or $e21 $e45))
+(flet ($e65 (implies $e43 $e32))
+(flet ($e66 (implies $e44 $e54))
+(flet ($e67 (iff $e40 $e24))
+(flet ($e68 (if_then_else $e26 $e30 $e65))
+(flet ($e69 (not $e36))
+(flet ($e70 (if_then_else $e46 $e39 $e16))
+(flet ($e71 (iff $e25 $e33))
+(flet ($e72 (not $e62))
+(flet ($e73 (xor $e56 $e47))
+(flet ($e74 (or $e38 $e61))
+(flet ($e75 (if_then_else $e67 $e34 $e59))
+(flet ($e76 (if_then_else $e58 $e75 $e52))
+(flet ($e77 (or $e22 $e27))
+(flet ($e78 (xor $e64 $e64))
+(flet ($e79 (implies $e18 $e17))
+(flet ($e80 (implies $e29 $e42))
+(flet ($e81 (if_then_else $e70 $e76 $e73))
+(flet ($e82 (xor $e31 $e19))
+(flet ($e83 (and $e71 $e80))
+(flet ($e84 (not $e51))
+(flet ($e85 (if_then_else $e77 $e66 $e69))
+(flet ($e86 (or $e81 $e41))
+(flet ($e87 (or $e57 $e63))
+(flet ($e88 (not $e86))
+(flet ($e89 (xor $e82 $e83))
+(flet ($e90 (if_then_else $e74 $e68 $e84))
+(flet ($e91 (xor $e53 $e79))
+(flet ($e92 (implies $e91 $e78))
+(flet ($e93 (or $e89 $e60))
+(flet ($e94 (and $e93 $e48))
+(flet ($e95 (not $e35))
+(flet ($e96 (not $e20))
+(flet ($e97 (xor $e96 $e90))
+(flet ($e98 (xor $e85 $e92))
+(flet ($e99 (if_then_else $e72 $e97 $e95))
+(flet ($e100 (and $e87 $e88))
+(flet ($e101 (not $e98))
+(flet ($e102 (not $e100))
+(flet ($e103 (if_then_else $e101 $e101 $e94))
+(flet ($e104 (if_then_else $e103 $e103 $e103))
+(flet ($e105 (or $e102 $e99))
+(flet ($e106 (not $e105))
+(flet ($e107 (implies $e104 $e106))
+(flet ($e108 (and $e107 (not (= ?e5 bv0[13]))))
+(flet ($e109 (and $e108 (not (= ?e5 (bvnot bv0[13])))))
+(flet ($e110 (and $e109 (not (= ?e4 bv0[12]))))
+(flet ($e111 (and $e110 (not (= ?e4 (bvnot bv0[12])))))
+$e111
+)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))
+