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(14,49), next(15,16), next(16,17), next(16,31), next(17,18), next(18,19), next(19,20), next(20,21), next(21,22), next(22,23), next(22,27), next(23,24), next(24,25), next(25,26), 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(36,37), next(37,38), next(38,39), next(39,40), next(40,41), next(40,45), next(41,42), next(42,43), next(43,44), next(45,46), next(46,47), next(47,48), next(49,50), next(50,51), next(51,52), next(52,53), next(53,54), next(54,55), next(55,56), next(56,57), next(57,58), next(58,59), next(58,63), next(59,60), next(60,61), next(61,62), next(63,64), next(64,65), next(65,66), doAt(startflow,8), doAt(a24,11), doAt(a6,12), doAt(a17,13), doAt(a18,14), doAt(a14,15), doAt(a5,16), doAt(a4,17), doAt(a16,18), doAt(a16,36), doAt(a16,54), doAt(a23,19), doAt(a23,37), doAt(a23,55), doAt(a19,20), doAt(a19,38), doAt(a19,56), doAt(a10,21), doAt(a10,39), doAt(a10,57), doAt(a21,22), doAt(a21,40), doAt(a21,58), doAt(a12,23), doAt(a12,41), doAt(a12,59), doAt(a22,24), doAt(a22,28), doAt(a22,42), doAt(a22,46), doAt(a22,60), doAt(a22,64), doAt(endflow,25), doAt(endflow,29), doAt(endflow,43), doAt(endflow,47), doAt(endflow,61), doAt(endflow,65), doAt(a9,27), doAt(a9,45), doAt(a9,63), doAt(a25,31), doAt(a13,32), doAt(a15,33), doAt(a11,34), doAt(a3,35), doAt(a1,49), doAt(a2,50), doAt(a7,51), doAt(a8,52), ineffset(startflow,x8), ineffset(startflow,x10), ineffset(startflow,x20), ineffset(startflow,x1), ineffset(startflow,x2), ineffset(startflow,x3), ineffset(startflow,x4), ineffset(startflow,x5), ineffset(startflow,x6), ineffset(startflow,x7), ineffset(startflow,x9), 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,x21), ineffset(startflow,x22), ineffset(startflow,x23), ineffset(startflow,x24), ineffset(startflow,x25), ineffset(a24,x8), ineffset(a24,x20), ineffset(a24,x14), ineffset(a6,x10), ineffset(a6,x5), ineffset(a17,x16), ineffset(a18,co36), ineffset(a18,co37), ineffset(a14,x20), ineffset(a5,co10), ineffset(a5,co11), ineffset(a4,x21), ineffset(a16,x8), ineffset(a23,x8), ineffset(a23,x17), ineffset(a23,x18), ineffset(a19,x10), ineffset(a10,x22), ineffset(a21,co42), ineffset(a21,co43), ineffset(a12,x13), ineffset(a12,x19), ineffset(a12,x22), ineffset(a22,x5), ineffset(a22,x22), ineffset(endflow,x20), ineffset(endflow,x14), ineffset(endflow,finished), ineffset(a25,x1), ineffset(a25,x15), ineffset(a13,x24), ineffset(a15,x20), ineffset(a15,x2), ineffset(a15,x9), ineffset(a11,x17), ineffset(a3,x22), ineffset(a1,x6), ineffset(a2,x4), ineffset(a7,x7), ineffset(a7,x16), ineffset(a8,x7), activity(startflow), activity(a24), activity(a6), activity(a17), activity(a18), activity(a14), activity(a5), activity(a4), activity(a16), activity(a23), activity(a19), activity(a10), activity(a21), activity(a12), activity(a22), activity(endflow), activity(a9), activity(a25), activity(a13), activity(a15), activity(a11), activity(a3), activity(a1), activity(a2), activity(a7), activity(a8), effectsObserved(startflow,1), effectsObserved(a24,2), effectsObserved(a6,3), effectsObserved(a17,4), effectsObserved(a18,5), effectsObserved(a14,6), effectsObserved(a5,7), inreadset(a24,x8), inreadset(a24,x10), inreadset(a24,x4), inreadset(a6,x11), inreadset(a17,x8), inreadset(a18,x7), inreadset(a18,x14), inreadset(a18,x24), inreadset(a14,x16), inreadset(a5,x15), inreadset(a4,x14), inreadset(a4,x17), inreadset(a4,x22), inreadset(a16,x20), inreadset(a16,x6), inreadset(a23,x2), inreadset(a23,x16), inreadset(a23,x17), inreadset(a19,x5), inreadset(a19,x17), inreadset(a10,x5), inreadset(a21,x9), inreadset(a12,x11), inreadset(a12,x22), inreadset(a12,x25), inreadset(a22,x15), inreadset(endflow,x8), inreadset(endflow,x10), inreadset(endflow,x20), inreadset(endflow,x1), inreadset(endflow,x2), inreadset(endflow,x3), inreadset(endflow,x4), inreadset(endflow,x5), inreadset(endflow,x6), inreadset(endflow,x7), inreadset(endflow,x9), 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,x21), inreadset(endflow,x22), inreadset(endflow,x23), inreadset(endflow,x24), inreadset(endflow,x25), inreadset(endflow,co36), inreadset(endflow,co37), inreadset(endflow,co10), inreadset(endflow,co11), inreadset(endflow,co42), inreadset(endflow,co43), inreadset(endflow,finished), inreadset(a9,x4), inreadset(a9,x25), inreadset(a25,x2), inreadset(a25,x5), inreadset(a13,x10), inreadset(a13,x9), inreadset(a13,x19), inreadset(a15,x14), inreadset(a11,x4), inreadset(a11,x7), inreadset(a11,x12), inreadset(a3,x22), inreadset(a1,x10), inreadset(a1,x3), inreadset(a2,x16), inreadset(a7,x1), inreadset(a7,x3), inreadset(a7,x14), inreadset(a8,x13), do(startflow,1), do(a24,2), do(a6,3), do(a17,4), do(a18,5), do(a14,6), do(a5,7), nextvis(1,2), nextvis(2,3), nextvis(3,4), nextvis(4,5), nextvis(5,6), nextvis(6,7), do(a24,11), do(a6,12), do(a17,13), do(a18,14), do(a14,15), do(a4,17), do(a16,18), impossible(a,36), do(a16,54), do(a23,19), impossible(a,37), do(a23,55), do(a19,20), impossible(a,38), do(a19,56), do(a10,21), impossible(a,39), do(a10,57), do(a21,22), impossible(a,40), do(a21,58), do(a12,23), impossible(a,41), do(a12,59), do(a22,24), do(a22,28), impossible(a,42), impossible(a,46), do(a22,60), do(a22,64), do(endflow,25), do(endflow,29), impossible(a,43), impossible(a,47), do(endflow,61), do(endflow,65), do(a9,27), impossible(a,45), do(a9,63), impossible(a,31), impossible(a,32), impossible(a,33), impossible(a,34), impossible(a,35), do(a1,49), do(a2,50), do(a7,51), do(a8,52), comp(a24,2,x8,9), comp(a6,3,x10,10), impossible(a,44), impossible(a,48), nextvis(9,10), nextvis(10,11), nextvis(11,12), nextvis(12,13), nextvis(13,14), nextvis(14,15), nextvis(14,49), nextvis(17,18), nextvis(18,19), nextvis(19,20), nextvis(20,21), nextvis(21,22), nextvis(22,23), nextvis(22,27), nextvis(23,24), nextvis(24,25), nextvis(27,28), nextvis(28,29), nextvis(49,50), nextvis(50,51), nextvis(51,52), nextvis(54,55), nextvis(55,56), nextvis(56,57), nextvis(57,58), nextvis(58,59), nextvis(58,63), nextvis(59,60), nextvis(60,61), nextvis(63,64), nextvis(64,65), nextvis(7,9), nextvis(15,17), nextvis(52,54), nextvis(25,26), nextvis(29,30), nextvis(61,62), nextvis(65,66)}