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(7,43), next(8,9), next(9,10), next(9,14), next(10,11), next(11,12), next(12,13), next(14,15), next(14,27), next(15,16), next(16,17), next(16,21), 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(27,28), next(28,29), next(29,30), next(30,31), next(31,32), next(32,33), next(32,37), 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(43,44), next(44,45), next(44,53), next(45,46), next(46,47), next(47,48), next(48,49), next(49,50), next(50,51), next(51,52), next(53,54), next(54,55), next(54,70), next(55,56), next(56,57), next(57,58), next(57,64), next(58,59), next(59,60), next(60,61), next(61,62), next(62,63), next(64,65), next(65,66), next(66,67), next(67,68), next(68,69), next(70,71), next(71,72), next(72,73), next(73,74), next(74,75), next(75,76), next(76,77), next(77,78), next(77,83), next(78,79), next(79,80), next(80,81), next(81,82), next(83,84), next(84,85), next(85,86), next(86,87), next(87,88), doAt(startflow,5), doAt(a13,6), doAt(a10,7), doAt(a18,8), doAt(a4,9), doAt(a4,44), doAt(a3,10), doAt(a3,45), doAt(a5,11), doAt(a5,18), doAt(a5,24), doAt(a5,34), doAt(a5,40), doAt(a5,46), doAt(a5,59), doAt(a5,67), doAt(a5,79), doAt(a5,86), doAt(endflow,12), doAt(endflow,19), doAt(endflow,25), doAt(endflow,35), doAt(endflow,41), doAt(endflow,51), doAt(endflow,62), doAt(endflow,68), doAt(endflow,81), doAt(endflow,87), doAt(a15,14), doAt(a15,54), doAt(a17,15), doAt(a17,56), doAt(a1,16), doAt(a1,32), doAt(a1,57), doAt(a1,77), doAt(a9,17), doAt(a9,33), doAt(a9,58), doAt(a9,78), doAt(a16,21), doAt(a16,37), doAt(a16,64), doAt(a16,83), doAt(a8,22), doAt(a8,38), doAt(a8,65), doAt(a8,84), doAt(a6,23), doAt(a6,39), doAt(a6,66), doAt(a6,85), doAt(a2,27), doAt(a2,71), doAt(a12,28), doAt(a12,73), doAt(a20,29), doAt(a20,74), doAt(a7,30), doAt(a7,75), doAt(a19,31), doAt(a19,76), doAt(a11,43), ineffset(startflow,x2), ineffset(startflow,x6), ineffset(startflow,x19), ineffset(startflow,x31), ineffset(startflow,x1), ineffset(startflow,x3), ineffset(startflow,x4), ineffset(startflow,x5), 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,x20), ineffset(startflow,x21), ineffset(startflow,x22), ineffset(startflow,x23), ineffset(startflow,x24), ineffset(startflow,x25), ineffset(startflow,x26), ineffset(startflow,x27), ineffset(startflow,x28), ineffset(startflow,x29), ineffset(startflow,x30), ineffset(startflow,x32), ineffset(startflow,x33), ineffset(startflow,x34), ineffset(startflow,x35), ineffset(a13,x22), ineffset(a13,x24), ineffset(a13,x27), ineffset(a10,co20), ineffset(a10,co21), ineffset(a18,x2), ineffset(a18,x6), ineffset(a18,x19), ineffset(a18,x31), ineffset(a4,co8), ineffset(a4,co9), ineffset(a3,x13), ineffset(a3,x16), ineffset(a5,x5), ineffset(a5,x15), ineffset(a5,x22), ineffset(endflow,x6), ineffset(endflow,x14), ineffset(endflow,x26), ineffset(endflow,finished), ineffset(a15,co30), ineffset(a15,co31), ineffset(a17,x31), ineffset(a17,x5), ineffset(a1,co2), ineffset(a1,co3), ineffset(a9,x10), ineffset(a9,x34), ineffset(a16,x19), ineffset(a8,x15), ineffset(a6,x2), ineffset(a6,x13), ineffset(a2,x6), ineffset(a2,x3), ineffset(a2,x20), ineffset(a2,x29), ineffset(a12,x23), ineffset(a20,x20), ineffset(a7,x20), ineffset(a7,x26), ineffset(a19,x13), ineffset(a11,x18), inreadset(a13,x12), inreadset(a13,x35), inreadset(a10,x33), inreadset(a18,x17), inreadset(a4,x8), inreadset(a4,x13), inreadset(a4,x16), inreadset(a3,x12), inreadset(a5,x5), inreadset(a5,x30), inreadset(a5,x33), inreadset(endflow,x2), inreadset(endflow,x6), inreadset(endflow,x19), inreadset(endflow,x31), inreadset(endflow,x1), inreadset(endflow,x3), inreadset(endflow,x4), inreadset(endflow,x5), 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,x20), inreadset(endflow,x21), inreadset(endflow,x22), inreadset(endflow,x23), inreadset(endflow,x24), inreadset(endflow,x25), inreadset(endflow,x26), inreadset(endflow,x27), inreadset(endflow,x28), inreadset(endflow,x29), inreadset(endflow,x30), inreadset(endflow,x32), inreadset(endflow,x33), inreadset(endflow,x34), inreadset(endflow,x35), inreadset(a15,x6), inreadset(a15,x21), inreadset(a15,x33), inreadset(a17,x31), inreadset(a17,x18), inreadset(a1,x3), inreadset(a1,x8), inreadset(a9,x1), inreadset(a9,x7), inreadset(a9,x30), inreadset(a16,x10), inreadset(a16,x21), inreadset(a16,x22), inreadset(a8,x12), inreadset(a8,x28), inreadset(a8,x34), inreadset(a6,x7), inreadset(a2,x31), inreadset(a12,x2), inreadset(a12,x30), inreadset(a20,x9), inreadset(a20,x22), inreadset(a20,x28), inreadset(a7,x4), inreadset(a7,x33), inreadset(a19,x3), inreadset(a19,x11), inreadset(a11,x3), inreadset(a11,x18), inreadset(a11,x25), activity(startflow), activity(a13), activity(a10), activity(a18), activity(a4), activity(a3), activity(a5), activity(endflow), activity(a15), activity(a17), activity(a1), activity(a9), activity(a16), activity(a8), activity(a6), activity(a2), activity(a12), activity(a20), activity(a7), activity(a19), activity(a11), effectsObserved(startflow,1), effectsObserved(a13,2), effectsObserved(a10,3), effectsObserved(a18,4), do(startflow,1), do(a13,2), do(a10,3), do(a18,4), nextvis(1,2), nextvis(2,3), nextvis(3,4), do(a13,6), do(a4,9), impossible(a,44), do(a3,10), impossible(a,45), do(a5,11), do(a5,18), do(a5,24), do(a5,34), do(a5,40), impossible(a,46), impossible(a,59), impossible(a,67), impossible(a,79), impossible(a,86), do(endflow,12), do(endflow,19), do(endflow,25), do(endflow,35), do(endflow,41), impossible(a,51), impossible(a,62), impossible(a,68), impossible(a,81), impossible(a,87), do(a15,14), impossible(a,54), do(a17,15), impossible(a,56), do(a1,16), do(a1,32), impossible(a,57), impossible(a,77), do(a9,17), do(a9,33), impossible(a,58), impossible(a,78), do(a16,21), do(a16,37), impossible(a,64), impossible(a,83), impossible(a,65), impossible(a,84), do(a6,23), do(a6,39), impossible(a,66), impossible(a,85), do(a2,27), impossible(a,71), do(a12,28), impossible(a,73), impossible(a,74), do(a7,30), impossible(a,75), do(a19,31), impossible(a,76), impossible(a,43), impossible(a,47), impossible(a,60), impossible(a,72), impossible(a,48), impossible(a,53), impossible(a,49), impossible(a,61), impossible(a,80), impossible(a,50), impossible(a,55), impossible(a,70), impossible(a,52), impossible(a,63), impossible(a,69), impossible(a,82), impossible(a,88), nextvis(9,10), nextvis(9,14), nextvis(10,11), nextvis(11,12), nextvis(14,15), nextvis(14,27), nextvis(15,16), nextvis(16,17), nextvis(16,21), nextvis(17,18), nextvis(18,19), nextvis(23,24), nextvis(24,25), nextvis(27,28), nextvis(30,31), nextvis(31,32), nextvis(32,33), nextvis(32,37), nextvis(33,34), nextvis(34,35), nextvis(39,40), nextvis(40,41), nextvis(4,6), nextvis(6,9), nextvis(21,23), nextvis(28,30), nextvis(37,39), nextvis(12,13), nextvis(19,20), nextvis(25,26), nextvis(35,36), nextvis(41,42)}