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(4,43), next(5,6), next(6,7), next(6,25), next(7,8), next(8,9), next(9,10), next(9,22), next(10,11), next(10,14), next(11,12), next(12,13), next(14,15), next(15,16), next(16,17), next(17,18), next(18,19), next(19,20), next(20,21), next(22,23), next(23,24), next(25,26), next(26,27), next(27,28), next(27,40), next(28,29), next(28,32), next(29,30), next(30,31), next(32,33), next(33,34), next(34,35), next(35,36), next(36,37), next(37,38), next(38,39), next(40,41), next(41,42), next(43,44), next(43,63), next(44,45), next(45,46), next(46,47), next(47,48), next(47,60), next(48,49), next(48,52), next(49,50), next(50,51), next(52,53), next(53,54), next(54,55), next(55,56), next(56,57), next(57,58), next(58,59), next(60,61), next(61,62), next(63,64), next(64,65), next(65,66), next(66,67), next(67,68), next(68,69), next(69,70), next(70,71), next(70,83), next(71,72), next(71,75), next(72,73), next(73,74), next(75,76), next(76,77), next(77,78), next(78,79), next(79,80), next(80,81), next(81,82), next(83,84), next(84,85), doAt(startflow,3), doAt(a17,4), doAt(a11,5), doAt(a16,6), doAt(a7,7), doAt(a25,8), doAt(a25,26), doAt(a25,46), doAt(a25,69), doAt(a8,9), doAt(a8,27), doAt(a8,47), doAt(a8,70), doAt(a2,10), doAt(a2,28), doAt(a2,48), doAt(a2,71), doAt(a6,11), doAt(a6,29), doAt(a6,49), doAt(a6,72), doAt(endflow,12), doAt(endflow,20), doAt(endflow,23), doAt(endflow,30), doAt(endflow,38), doAt(endflow,41), doAt(endflow,50), doAt(endflow,58), doAt(endflow,61), doAt(endflow,73), doAt(endflow,81), doAt(endflow,84), doAt(a15,14), doAt(a15,32), doAt(a15,52), doAt(a15,75), doAt(a22,15), doAt(a22,33), doAt(a22,53), doAt(a22,76), doAt(a21,16), doAt(a21,34), doAt(a21,54), doAt(a21,77), doAt(a18,17), doAt(a18,35), doAt(a18,55), doAt(a18,78), doAt(a5,18), doAt(a5,36), doAt(a5,56), doAt(a5,79), doAt(a13,19), doAt(a13,37), doAt(a13,57), doAt(a13,80), doAt(a12,22), doAt(a12,40), doAt(a12,60), doAt(a12,83), doAt(a23,25), doAt(a14,43), doAt(a4,44), doAt(a19,45), doAt(a19,68), doAt(a1,63), doAt(a24,64), doAt(a3,65), doAt(a20,66), doAt(a10,67), ineffset(startflow,x1), ineffset(startflow,x2), ineffset(startflow,x3), ineffset(startflow,x4), ineffset(startflow,x5), ineffset(startflow,x6), ineffset(startflow,x7), ineffset(startflow,x8), ineffset(startflow,x9), 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(a17,co34), ineffset(a17,co35), ineffset(a11,x13), ineffset(a16,co32), ineffset(a16,co33), ineffset(a7,x15), ineffset(a7,x19), ineffset(a7,x20), ineffset(a7,x21), ineffset(a25,x6), ineffset(a25,x13), ineffset(a25,x18), ineffset(a25,x23), ineffset(a8,co16), ineffset(a8,co17), ineffset(a2,co4), ineffset(a2,co5), ineffset(a6,x23), ineffset(endflow,x13), ineffset(endflow,x20), ineffset(endflow,x25), ineffset(endflow,finished), ineffset(a15,x4), ineffset(a15,x5), ineffset(a15,x15), ineffset(a15,x16), ineffset(a22,x22), ineffset(a21,x24), ineffset(a18,x2), ineffset(a18,x7), ineffset(a18,x10), ineffset(a18,x18), ineffset(a5,x6), ineffset(a5,x23), ineffset(a5,x24), ineffset(a13,x1), ineffset(a13,x8), ineffset(a12,x5), ineffset(a12,x20), ineffset(a23,x4), ineffset(a14,co28), ineffset(a14,co29), ineffset(a4,x3), ineffset(a4,x8), ineffset(a4,x19), ineffset(a4,x20), ineffset(a19,x24), ineffset(a1,x1), ineffset(a1,x9), ineffset(a1,x17), ineffset(a1,x21), ineffset(a24,x5), ineffset(a24,x13), ineffset(a24,x21), ineffset(a24,x24), ineffset(a3,x7), ineffset(a20,x16), ineffset(a20,x21), ineffset(a10,x20), activity(startflow), activity(a17), activity(a11), activity(a16), activity(a7), activity(a25), activity(a8), activity(a2), activity(a6), activity(endflow), activity(a15), activity(a22), activity(a21), activity(a18), activity(a5), activity(a13), activity(a12), activity(a23), activity(a14), activity(a4), activity(a19), activity(a1), activity(a24), activity(a3), activity(a20), activity(a10), effectsObserved(startflow,1), effectsObserved(a17,2), inreadset(a17,x6), inreadset(a17,x7), inreadset(a11,x22), inreadset(a16,x9), inreadset(a16,x15), inreadset(a7,x17), inreadset(a7,x20), inreadset(a7,x25), inreadset(a25,x1), inreadset(a25,x3), inreadset(a25,x18), inreadset(a8,x2), inreadset(a8,x19), inreadset(a8,x23), inreadset(a2,x2), inreadset(a2,x5), inreadset(a2,x18), inreadset(a6,x10), inreadset(a6,x20), 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(endflow,co34), inreadset(endflow,co35), inreadset(endflow,co32), inreadset(endflow,co33), inreadset(endflow,co28), inreadset(endflow,co29), inreadset(endflow,co16), inreadset(endflow,co17), inreadset(endflow,co4), inreadset(endflow,co5), inreadset(endflow,finished), inreadset(a15,x8), inreadset(a22,x6), inreadset(a22,x10), inreadset(a22,x22), inreadset(a21,x3), inreadset(a21,x11), inreadset(a21,x15), inreadset(a18,x5), inreadset(a5,x1), inreadset(a5,x3), inreadset(a13,x12), inreadset(a13,x22), inreadset(a13,x24), inreadset(a12,x7), inreadset(a12,x12), inreadset(a23,x11), inreadset(a14,x7), inreadset(a14,x8), inreadset(a14,x16), inreadset(a4,x17), inreadset(a4,x21), inreadset(a4,x25), inreadset(a19,x4), inreadset(a1,x3), inreadset(a1,x9), inreadset(a24,x16), inreadset(a3,x10), inreadset(a20,x10), inreadset(a20,x17), inreadset(a20,x18), inreadset(a10,x24), do(startflow,1), do(a17,2), nextvis(1,2), do(a17,4), do(a11,5), do(a16,6), do(a7,7), do(a25,8), do(a25,26), impossible(a,46), impossible(a,69), do(a8,9), do(a8,27), impossible(a,47), impossible(a,70), do(a2,10), do(a2,28), impossible(a,48), impossible(a,71), do(a6,11), do(a6,29), impossible(a,49), impossible(a,72), do(endflow,12), do(endflow,20), do(endflow,23), do(endflow,30), do(endflow,38), do(endflow,41), impossible(a,50), impossible(a,58), impossible(a,61), impossible(a,73), impossible(a,81), impossible(a,84), do(a15,14), do(a15,32), impossible(a,52), impossible(a,75), do(a22,15), do(a22,33), impossible(a,53), impossible(a,76), do(a21,16), do(a21,34), impossible(a,54), impossible(a,77), do(a18,17), do(a18,35), impossible(a,55), impossible(a,78), do(a5,18), do(a5,36), impossible(a,56), impossible(a,79), do(a13,19), do(a13,37), impossible(a,57), impossible(a,80), do(a12,22), do(a12,40), impossible(a,60), impossible(a,83), do(a23,25), impossible(a,43), impossible(a,44), impossible(a,45), impossible(a,68), impossible(a,63), impossible(a,64), impossible(a,65), impossible(a,66), impossible(a,67), impossible(a,62), impossible(a,51), impossible(a,85), impossible(a,74), impossible(a,59), impossible(a,82), nextvis(4,5), nextvis(5,6), nextvis(6,7), nextvis(6,25), nextvis(7,8), nextvis(8,9), nextvis(9,10), nextvis(9,22), nextvis(10,11), nextvis(10,14), nextvis(11,12), nextvis(14,15), nextvis(15,16), nextvis(16,17), nextvis(17,18), nextvis(18,19), nextvis(19,20), nextvis(22,23), nextvis(25,26), nextvis(26,27), nextvis(27,28), nextvis(27,40), nextvis(28,29), nextvis(28,32), nextvis(29,30), nextvis(32,33), nextvis(33,34), nextvis(34,35), nextvis(35,36), nextvis(36,37), nextvis(37,38), nextvis(40,41), nextvis(2,4), nextvis(12,13), nextvis(20,21), nextvis(23,24), nextvis(30,31), nextvis(38,39), nextvis(41,42)}