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(9,21), next(10,11), next(10,15), next(11,12), next(12,13), next(13,14), next(15,16), next(16,17), next(17,18), next(18,19), next(19,20), next(21,22), next(22,23), next(23,24), next(24,25), next(25,26), next(26,27), next(27,28), next(28,29), next(29,30), next(30,31), next(31,32), next(32,33), next(33,34), next(33,38), next(34,35), next(35,36), next(36,37), next(38,39), next(39,40), next(40,41), doAt(startflow,6), doAt(a16,7), doAt(a7,8), doAt(a4,9), doAt(a2,10), doAt(a15,11), doAt(a10,12), doAt(a10,18), doAt(a10,35), doAt(a10,39), doAt(endflow,13), doAt(endflow,19), doAt(endflow,36), doAt(endflow,40), doAt(a5,15), doAt(a21,16), doAt(a8,17), doAt(a11,21), doAt(a18,22), doAt(a1,23), doAt(a20,24), doAt(a6,25), doAt(a23,26), doAt(a25,27), doAt(a13,28), doAt(a17,29), doAt(a12,30), doAt(a19,31), doAt(a24,32), doAt(a22,33), doAt(a14,34), doAt(a9,38), 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ineffset(a8,x13), ineffset(a8,x15), ineffset(a8,x18), ineffset(a11,x20), ineffset(a11,x22), ineffset(a11,x25), ineffset(a18,x4), ineffset(a18,x5), ineffset(a18,x13), ineffset(a18,x17), ineffset(a1,x5), ineffset(a20,x4), ineffset(a6,x9), ineffset(a23,x22), ineffset(a25,x2), ineffset(a25,x11), ineffset(a13,x3), ineffset(a13,x15), ineffset(a13,x18), ineffset(a13,x22), ineffset(a17,x12), ineffset(a12,x17), ineffset(a19,x3), ineffset(a19,x4), ineffset(a19,x10), ineffset(a19,x11), ineffset(a24,x22), ineffset(a22,co44), ineffset(a22,co45), ineffset(a14,x15), ineffset(a14,x19), ineffset(a14,x24), ineffset(a14,x25), inreadset(a16,x2), inreadset(a7,x7), inreadset(a4,x23), inreadset(a2,x10), inreadset(a2,x23), inreadset(a15,x25), inreadset(a10,x13), inreadset(endflow,x1), inreadset(endflow,x2), inreadset(endflow,x3), inreadset(endflow,x4), inreadset(endflow,x5), inreadset(endflow,x6), inreadset(endflow,x7), inreadset(endflow,x8), inreadset(endflow,x9), inreadset(endflow,x10), inreadset(endflow,x11), inreadset(endflow,x12), inreadset(endflow,x13), 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(a5,x2), inreadset(a21,x2), inreadset(a8,x4), inreadset(a11,x8), inreadset(a18,x17), inreadset(a18,x18), inreadset(a1,x10), inreadset(a20,x13), inreadset(a20,x15), inreadset(a20,x18), inreadset(a6,x1), inreadset(a6,x2), inreadset(a23,x6), inreadset(a23,x17), inreadset(a23,x22), inreadset(a25,x8), inreadset(a25,x18), inreadset(a13,x3), inreadset(a13,x5), inreadset(a17,x2), inreadset(a17,x11), inreadset(a17,x25), inreadset(a12,x22), inreadset(a19,x3), inreadset(a24,x17), inreadset(a22,x14), inreadset(a14,x6), inreadset(a14,x7), inreadset(a14,x21), inreadset(a9,x2), inreadset(a9,x10), inreadset(a9,x12), activity(startflow), 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impossible(a,31), impossible(a,32), impossible(a,33), impossible(a,34), impossible(a,38), impossible(a,20), impossible(a,37), impossible(a,41), nextvis(11,12), nextvis(12,13), nextvis(5,8), nextvis(8,11), nextvis(13,14)}