DLV [build BEN/Oct 11 2007   gcc 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)]

true is bravely true, evidenced by {next(1,2), next(2,3), next(3,4), next(4,5), next(5,6), next(6,7), next(7,8), next(8,9), next(9,10), next(10,11), next(11,12), next(12,13), next(13,14), next(14,15), next(15,16), next(15,19), next(16,17), next(17,18), next(19,20), next(20,21), next(21,22), next(22,23), next(23,24), next(23,27), next(24,25), next(25,26), next(27,28), next(27,39), next(28,29), next(28,36), next(29,30), next(29,33), next(30,31), next(31,32), next(33,34), next(34,35), next(36,37), next(37,38), next(39,40), next(40,41), doAt(startflow,3), doAt(a18,6), doAt(a25,7), doAt(a3,8), doAt(a11,9), doAt(a1,10), doAt(a15,11), doAt(a8,12), doAt(a6,13), doAt(a16,14), doAt(a5,15), doAt(a14,16), doAt(endflow,17), doAt(endflow,25), doAt(endflow,31), doAt(endflow,34), doAt(endflow,37), doAt(endflow,40), doAt(a20,19), doAt(a13,20), doAt(a19,21), doAt(a9,22), doAt(a7,23), doAt(a2,24), doAt(a17,27), doAt(a21,28), doAt(a24,29), doAt(a10,30), doAt(a4,33), doAt(a12,36), doAt(a22,39), 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ineffset(a5,co10), ineffset(a5,co11), ineffset(a14,x2), ineffset(a14,x4), ineffset(a14,x10), ineffset(endflow,x1), ineffset(endflow,x5), ineffset(endflow,x7), ineffset(endflow,finished), ineffset(a20,x1), ineffset(a20,x17), ineffset(a13,x6), ineffset(a19,x7), ineffset(a19,x19), ineffset(a9,x13), ineffset(a7,co14), ineffset(a7,co15), ineffset(a2,x20), ineffset(a17,co34), ineffset(a17,co35), ineffset(a21,co42), ineffset(a21,co43), ineffset(a24,co48), ineffset(a24,co49), ineffset(a10,x6), ineffset(a10,x19), ineffset(a4,x10), ineffset(a12,x1), ineffset(a12,x4), ineffset(a12,x14), ineffset(a22,x2), ineffset(a22,x7), ineffset(a22,x16), activity(startflow), activity(a18), activity(a25), activity(a3), activity(a11), activity(a1), activity(a15), activity(a8), activity(a6), activity(a16), activity(a5), activity(a14), activity(endflow), activity(a20), activity(a13), activity(a19), activity(a9), activity(a7), activity(a2), activity(a17), activity(a21), activity(a24), activity(a10), activity(a4), 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inreadset(endflow,x22), inreadset(endflow,x23), inreadset(endflow,x24), inreadset(endflow,x25), inreadset(endflow,co10), inreadset(endflow,co11), inreadset(endflow,co14), inreadset(endflow,co15), inreadset(endflow,co34), inreadset(endflow,co35), inreadset(endflow,co42), inreadset(endflow,co43), inreadset(endflow,co48), inreadset(endflow,co49), inreadset(endflow,finished), inreadset(a20,x6), inreadset(a20,x13), inreadset(a20,x22), inreadset(a13,x8), inreadset(a13,x11), inreadset(a13,x23), inreadset(a19,x12), inreadset(a9,x8), inreadset(a7,x18), inreadset(a2,x15), inreadset(a17,x10), inreadset(a17,x14), inreadset(a21,x10), inreadset(a24,x15), inreadset(a24,x25), inreadset(a10,x17), inreadset(a4,x25), inreadset(a12,x9), inreadset(a12,x16), inreadset(a12,x19), inreadset(a22,x22), do(startflow,1), do(a18,2), nextvis(1,2), subs(a18,5), do(a18,6), do(a25,7), do(a3,8), do(a11,9), do(a1,10), do(a15,11), do(a8,12), do(a6,13), do(a16,14), do(a5,15), do(a14,16), do(endflow,17), do(endflow,25), 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