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(4,37), next(5,6), next(6,7), next(7,8), next(8,9), next(9,10), next(9,14), next(10,11), next(11,12), next(12,13), next(14,15), next(14,19), next(15,16), next(16,17), next(17,18), next(19,20), next(20,21), next(21,22), next(22,23), next(23,24), next(24,25), next(24,31), next(25,26), next(26,27), next(27,28), next(28,29), next(29,30), next(31,32), next(32,33), next(33,34), next(34,35), next(35,36), next(37,38), next(38,39), next(39,40), next(40,41), next(41,42), next(42,43), next(43,44), next(43,48), next(44,45), next(45,46), next(46,47), next(48,49), next(48,53), next(49,50), next(50,51), next(51,52), next(53,54), next(54,55), next(55,56), next(56,57), next(57,58), next(58,59), next(58,65), next(59,60), next(60,61), next(61,62), next(62,63), next(63,64), next(65,66), next(66,67), next(67,68), next(68,69), next(69,70), doAt(startflow,3), doAt(a14,4), doAt(a18,5), doAt(a7,6), doAt(a22,7), doAt(a22,41), 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ineffset(startflow,x10), ineffset(startflow,x11), ineffset(startflow,x12), ineffset(startflow,x13), ineffset(startflow,x14), ineffset(startflow,x15), ineffset(startflow,x16), ineffset(startflow,x17), ineffset(startflow,x18), ineffset(startflow,x19), ineffset(startflow,x20), ineffset(startflow,x21), ineffset(startflow,x22), ineffset(startflow,x23), ineffset(startflow,x24), ineffset(startflow,x25), ineffset(a14,co28), ineffset(a14,co29), ineffset(a18,x21), ineffset(a18,x24), ineffset(a7,x4), ineffset(a22,x14), ineffset(a22,x18), ineffset(a22,x22), ineffset(a23,x11), ineffset(a23,x20), ineffset(a10,co20), ineffset(a10,co21), ineffset(a20,x4), ineffset(a20,x23), ineffset(a5,x1), ineffset(a5,x5), ineffset(a5,x11), ineffset(a5,x19), ineffset(endflow,x12), ineffset(endflow,x13), ineffset(endflow,x16), ineffset(endflow,finished), ineffset(a4,co8), ineffset(a4,co9), ineffset(a16,x15), ineffset(a16,x21), ineffset(a16,x24), ineffset(a6,x4), ineffset(a1,x19), ineffset(a3,x3), ineffset(a3,x9), 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inreadset(endflow,x14), inreadset(endflow,x15), inreadset(endflow,x16), inreadset(endflow,x17), inreadset(endflow,x18), inreadset(endflow,x19), inreadset(endflow,x20), inreadset(endflow,x21), inreadset(endflow,x22), inreadset(endflow,x23), inreadset(endflow,x24), inreadset(endflow,x25), inreadset(a4,x14), inreadset(a16,x12), inreadset(a6,x11), inreadset(a1,x4), inreadset(a1,x12), inreadset(a1,x21), inreadset(a3,x1), inreadset(a25,x12), inreadset(a24,x6), inreadset(a19,x22), inreadset(a11,x15), inreadset(a8,x11), inreadset(a12,x11), inreadset(a13,x3), inreadset(a13,x16), inreadset(a13,x17), inreadset(a15,x10), inreadset(a21,x5), inreadset(a9,x2), inreadset(a9,x3), inreadset(a9,x4), inreadset(a17,x17), inreadset(a17,x22), activity(startflow), activity(a14), activity(a18), activity(a7), activity(a22), activity(a23), activity(a10), activity(a20), activity(a5), activity(endflow), activity(a4), activity(a16), activity(a6), activity(a1), activity(a3), activity(a25), activity(a24), 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impossible(a,37), impossible(a,38), impossible(a,39), impossible(a,40), impossible(a,47), impossible(a,52), impossible(a,64), impossible(a,70), nextvis(5,6), nextvis(6,7), nextvis(7,8), nextvis(8,9), nextvis(9,10), nextvis(9,14), nextvis(10,11), nextvis(11,12), nextvis(14,15), nextvis(15,16), nextvis(16,17), nextvis(21,22), nextvis(22,23), nextvis(23,24), nextvis(24,25), nextvis(25,26), nextvis(26,27), nextvis(27,28), nextvis(28,29), nextvis(32,33), nextvis(33,34), nextvis(34,35), nextvis(2,5), nextvis(14,21), nextvis(24,32), nextvis(12,13), nextvis(17,18), nextvis(29,30), nextvis(35,36)}