Lost on time when opponent had insufficient material

Hi,

Following game happened.. the rules says that if there’s a legal sequence of moves that can lead to a mate the game is not draw. I could not figure out the moves so should it be draw then?

[Event "Rated Blitz game"]
[Site "lichess.org/ahdv96NX"]
[Date "2019.09.21"]
[Round "-"]
[White "ISaatana"]
[Black "Tom919"]
[Result "0-1"]
[UTCDate "2019.09.21"]
[UTCTime "19:14:59"]
[WhiteElo "2199"]
[BlackElo "1994"]
[WhiteRatingDiff "-9"]
[BlackRatingDiff "+141"]
[Variant "Standard"]
[TimeControl "300+0"]
[ECO "D31"]
[Opening "Semi-Slav Defense: Accelerated Move Order"]
[Termination "Time forfeit"]
[Annotator "lichess.org"]

1. d4 { [%clk 0:05:00] } d5 { [%clk 0:05:00] } 2. c4 { [%clk 0:04:59] } c6 { [%clk 0:04:57] } 3. Nc3 { [%clk 0:04:58] } e6 { [%clk 0:04:55] } { D31 Semi-Slav Defense: Accelerated Move Order } 4. Nf3 { [%clk 0:04:56] } g6 { [%clk 0:04:54] } 5. g3 { [%clk 0:04:53] } Bg7 { [%clk 0:04:53] } 6. Bg5 { [%clk 0:04:52] } Ne7 { [%clk 0:04:51] } 7. Bg2 { [%clk 0:04:47] } h6 { [%clk 0:04:50] } 8. Bf4 { [%clk 0:04:45] } g5 { [%clk 0:04:45] } 9. Be5 { [%clk 0:04:40] } f6 { [%clk 0:04:44] } 10. Bxb8 { [%clk 0:04:38] } Rxb8 { [%clk 0:04:44] } 11. e4 { [%clk 0:04:35] } dxe4 { [%clk 0:04:40] } 12. Nxe4 { [%clk 0:04:33] } f5 { [%clk 0:04:39] } 13. Nc5 { [%clk 0:04:30] } b6 { [%clk 0:04:38] } 14. Nb3 { [%clk 0:03:56] } O-O { [%clk 0:04:26] } 15. O-O { [%clk 0:03:52] } f4 { [%clk 0:04:15] } 16. g4 { [%clk 0:03:26] } e5 { [%clk 0:04:07] } 17. dxe5 { [%clk 0:03:23] } Bxg4 { [%clk 0:04:04] } 18. Qe2 { [%clk 0:03:04] } Qc7 { [%clk 0:03:57] } 19. Rfe1 { [%clk 0:02:56] } Rbd8 { [%clk 0:03:52] } 20. Qe4 { [%clk 0:02:14] } Nf5 { [%clk 0:03:35] } 21. Nbd4 { [%clk 0:02:05] } Bxf3 { [%clk 0:03:27] } 22. Nxf3 { [%clk 0:01:57] } c5 { [%clk 0:02:59] } 23. Rad1 { [%clk 0:01:53] } Rxd1 { [%clk 0:02:42] } 24. Rxd1 { [%clk 0:01:51] } g4 { [%clk 0:02:31] } 25. Qd5+ { [%clk 0:01:01] } Kh8 { [%clk 0:02:29] } 26. Ne1 { [%clk 0:00:54] } f3 { [%clk 0:02:24] } 27. Bf1 { [%clk 0:00:54] } Qxe5 { [%clk 0:02:14] } 28. Qxe5 { [%clk 0:00:51] } Bxe5 { [%clk 0:02:14] } 29. Nd3 { [%clk 0:00:49] } Bc7 { [%clk 0:02:06] } 30. b4 { [%clk 0:00:43] } cxb4 { [%clk 0:02:04] } 31. Nxb4 { [%clk 0:00:42] } Rd8 { [%clk 0:01:58] } 32. Nd5 { [%clk 0:00:39] } Be5 { [%clk 0:01:53] } 33. Re1 { [%clk 0:00:38] } Re8 { [%clk 0:01:46] } 34. Kh1 { [%clk 0:00:35] } Kg7 { [%clk 0:01:42] } 35. Nc7 { [%clk 0:00:30] } Re7 { [%clk 0:01:32] } 36. Nd5 { [%clk 0:00:29] } Re6 { [%clk 0:01:25] } 37. Nc7 { [%clk 0:00:28] } Bxc7 { [%clk 0:01:12] } 38. Rxe6 { [%clk 0:00:27] } Kf7 { [%clk 0:01:12] } 39. Rc6 { [%clk 0:00:25] } Be5 { [%clk 0:01:07] } 40. Bd3 { [%clk 0:00:25] } Nd4 { [%clk 0:01:04] } 41. Rxh6 { [%clk 0:00:24] } Ne2 { [%clk 0:01:00] } 42. Rh7+ { [%clk 0:00:23] } Ke6 { [%clk 0:00:59] } 43. Rxa7 { [%clk 0:00:22] } Bd4 { [%clk 0:00:57] } 44. Ra8 { [%clk 0:00:20] } Bxf2 { [%clk 0:00:55] } 45. Bxe2 { [%clk 0:00:20] } fxe2 { [%clk 0:00:54] } 46. Re8+ { [%clk 0:00:19] } Kd6 { [%clk 0:00:53] } 47. Rxe2 { [%clk 0:00:19] } g3 { [%clk 0:00:52] } 48. Kg2 { [%clk 0:00:19] } gxh2 { [%clk 0:00:50] } 49. Kxh2 { [%clk 0:00:19] } Bc5 { [%clk 0:00:48] } 50. Kg2 { [%clk 0:00:18] } Bd4 { [%clk 0:00:47] } 51. Kf3 { [%clk 0:00:18] } Kc5 { [%clk 0:00:46] } 52. Rc2 { [%clk 0:00:18] } Kb4 { [%clk 0:00:45] } 53. Ke4 { [%clk 0:00:18] } Bc3 { [%clk 0:00:44] } 54. Kd3 { [%clk 0:00:17] } Be5 { [%clk 0:00:42] } 55. Rc1 { [%clk 0:00:16] } Ka3 { [%clk 0:00:40] } 56. c5 { [%clk 0:00:16] } bxc5 { [%clk 0:00:38] } 57. Rxc5 { [%clk 0:00:16] } Bb2 { [%clk 0:00:37] } 58. Ra5+ { [%clk 0:00:15] } Kb4 { [%clk 0:00:36] } 59. Ra7 { [%clk 0:00:14] } Be5 { [%clk 0:00:35] } 60. Ra8 { [%clk 0:00:14] } Bc7 { [%clk 0:00:33] } 61. Kc2 { [%clk 0:00:14] } Bb6 { [%clk 0:00:32] } 62. a3+ { [%clk 0:00:14] } Kb5 { [%clk 0:00:32] } 63. Kb3 { [%clk 0:00:14] } Kc6 { [%clk 0:00:31] } 64. a4 { [%clk 0:00:14] } Kb7 { [%clk 0:00:31] } 65. Kc4 { [%clk 0:00:13] } Kxa8 { [%clk 0:00:30] } 66. Kb5 { [%clk 0:00:13] } Kb7 { [%clk 0:00:29] } 67. a5 { [%clk 0:00:13] } Ba7 { [%clk 0:00:29] } 68. a6+ { [%clk 0:00:12] } Kb8 { [%clk 0:00:28] } 69. Kc6 { [%clk 0:00:12] } Kc8 { [%clk 0:00:27] } 70. Kb5 { [%clk 0:00:10] } Kc7 { [%clk 0:00:27] } 71. Ka5 { [%clk 0:00:10] } Kc6 { [%clk 0:00:26] } 72. Ka4 { [%clk 0:00:09] } Kc5 { [%clk 0:00:26] } 73. Kb3 { [%clk 0:00:08] } Kb5 { [%clk 0:00:25] } 74. Kc3 { [%clk 0:00:07] } Kc5 { [%clk 0:00:24] } { Black wins on time. } 0-1

this fen : 7b/8/8/8/8/1k6/8/KB6 w - - shows a way they could still mate you.