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(6,15), next(7,8), next(8,9), next(9,10), next(10,11), next(11,12), next(12,13), next(13,14), next(15,16), next(16,17), next(17,18), next(17,65), next(18,19), next(19,20), next(20,21), next(21,22), next(22,23), next(23,24), next(24,25), next(25,26), next(25,37), next(26,27), next(27,28), next(28,29), next(28,33), next(29,30), next(30,31), next(31,32), next(33,34), next(34,35), next(35,36), next(37,38), next(38,39), next(38,52), next(39,40), next(40,41), next(41,42), next(41,47), next(42,43), next(43,44), next(44,45), next(45,46), next(47,48), next(48,49), next(49,50), next(50,51), next(52,53), next(53,54), next(54,55), next(54,60), next(55,56), next(56,57), next(57,58), next(58,59), 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), next(70,71), next(71,72), next(72,73), next(73,74), next(73,85), next(74,75), next(75,76), next(76,77), next(76,81), next(77,78), next(78,79), next(79,80), next(81,82), next(82,83), next(83,84), next(85,86), next(86,87), next(86,100), next(87,88), next(88,89), next(89,90), next(89,95), next(90,91), next(91,92), next(92,93), next(93,94), next(95,96), next(96,97), next(97,98), next(98,99), next(100,101), next(101,102), next(102,103), next(102,108), next(103,104), next(104,105), next(105,106), next(106,107), next(108,109), next(109,110), next(110,111), next(111,112), doAt(startflow,5), doAt(a14,6), doAt(a3,9), doAt(a12,12), doAt(endflow,13), doAt(endflow,31), doAt(endflow,35), doAt(endflow,45), doAt(endflow,50), doAt(endflow,58), doAt(endflow,63), doAt(endflow,79), doAt(endflow,83), doAt(endflow,93), doAt(endflow,98), doAt(endflow,106), doAt(endflow,111), doAt(a16,15), doAt(a24,17), doAt(a21,18), doAt(a10,20), doAt(a9,21), doAt(a9,69), doAt(a18,22), doAt(a18,70), doAt(a11,23), doAt(a11,71), doAt(a7,24), doAt(a7,72), doAt(a6,25), doAt(a6,73), doAt(a23,26), doAt(a23,74), doAt(a2,27), doAt(a2,40), doAt(a2,53), doAt(a2,75), doAt(a2,88), doAt(a2,101), doAt(a19,28), doAt(a19,41), doAt(a19,54), doAt(a19,76), doAt(a19,89), doAt(a19,102), doAt(a20,30), doAt(a20,43), doAt(a20,56), doAt(a20,78), doAt(a20,91), doAt(a20,104), doAt(a17,33), doAt(a17,48), doAt(a17,61), doAt(a17,81), doAt(a17,96), doAt(a17,109), doAt(a5,37), doAt(a5,85), doAt(a22,38), doAt(a22,86), doAt(a1,39), doAt(a1,87), doAt(a13,52), doAt(a13,100), doAt(a25,65), doAt(a4,67), doAt(a15,68), ineffset(startflow,x17), ineffset(startflow,x10), ineffset(startflow,x24), ineffset(startflow,x25), ineffset(startflow,x22), 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,x11), ineffset(startflow,x12), ineffset(startflow,x13), ineffset(startflow,x14), ineffset(startflow,x15), ineffset(startflow,x16), ineffset(startflow,x18), ineffset(startflow,x19), ineffset(startflow,x20), ineffset(startflow,x21), ineffset(startflow,x23), ineffset(a14,co28), ineffset(a14,co29), ineffset(a3,x17), ineffset(a3,x6), ineffset(a12,x10), ineffset(a12,x24), ineffset(a12,x25), ineffset(a12,x22), ineffset(endflow,x10), ineffset(endflow,x11), ineffset(endflow,x13), ineffset(endflow,x14), ineffset(endflow,finished), ineffset(a16,x2), ineffset(a24,co48), ineffset(a24,co49), ineffset(a21,x4), ineffset(a10,x3), ineffset(a10,x7), ineffset(a9,x17), ineffset(a9,x6), ineffset(a18,x1), ineffset(a11,x17), ineffset(a11,x2), ineffset(a11,x16), ineffset(a7,x24), ineffset(a6,co12), ineffset(a6,co13), ineffset(a23,x22), ineffset(a2,x20), ineffset(a19,co38), ineffset(a19,co39), ineffset(a20,x17), ineffset(a20,x2), ineffset(a20,x5), ineffset(a20,x20), ineffset(a17,x8), ineffset(a17,x12), ineffset(a17,x19), ineffset(a5,x19), ineffset(a22,co44), ineffset(a22,co45), ineffset(a1,x20), ineffset(a13,x14), ineffset(a25,x24), ineffset(a25,x11), ineffset(a25,x18), ineffset(a4,x1), ineffset(a4,x7), ineffset(a4,x23), ineffset(a15,x11), activity(startflow), activity(a14), activity(a3), activity(a12), activity(endflow), activity(a16), activity(a24), activity(a21), activity(a10), activity(a9), activity(a18), activity(a11), activity(a7), activity(a6), activity(a23), activity(a2), activity(a19), activity(a20), activity(a17), activity(a5), activity(a22), activity(a1), activity(a13), activity(a25), activity(a4), activity(a15), effectsObserved(startflow,1), effectsObserved(a14,2), effectsObserved(a3,3), effectsObserved(a12,4), inreadset(a14,x20), inreadset(a3,x17), inreadset(a3,x10), inreadset(a3,x1), inreadset(a12,x24), inreadset(a12,x25), inreadset(a12,x4), inreadset(endflow,x17), inreadset(endflow,x10), inreadset(endflow,x24), inreadset(endflow,x25), inreadset(endflow,x22), 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,x11), inreadset(endflow,x12), inreadset(endflow,x13), inreadset(endflow,x14), inreadset(endflow,x15), inreadset(endflow,x16), inreadset(endflow,x18), inreadset(endflow,x19), inreadset(endflow,x20), inreadset(endflow,x21), inreadset(endflow,x23), inreadset(endflow,co28), inreadset(endflow,co29), inreadset(endflow,co48), inreadset(endflow,co49), inreadset(endflow,co12), inreadset(endflow,co13), inreadset(endflow,co44), inreadset(endflow,co45), inreadset(endflow,co38), inreadset(endflow,co39), inreadset(endflow,finished), inreadset(a16,x7), inreadset(a16,x13), inreadset(a16,x18), inreadset(a24,x24), inreadset(a21,x5), inreadset(a10,x10), inreadset(a10,x3), inreadset(a9,x18), inreadset(a18,x5), inreadset(a18,x20), inreadset(a11,x7), inreadset(a7,x5), inreadset(a6,x6), inreadset(a6,x15), inreadset(a6,x18), inreadset(a23,x17), inreadset(a23,x10), inreadset(a23,x23), inreadset(a2,x4), inreadset(a2,x14), inreadset(a19,x14), inreadset(a20,x25), inreadset(a20,x3), inreadset(a20,x14), inreadset(a17,x22), inreadset(a17,x13), inreadset(a5,x6), inreadset(a22,x3), inreadset(a22,x7), inreadset(a22,x18), inreadset(a1,x17), inreadset(a1,x1), inreadset(a1,x20), inreadset(a13,x2), inreadset(a13,x14), inreadset(a13,x19), inreadset(a25,x8), inreadset(a25,x11), inreadset(a25,x21), inreadset(a4,x10), inreadset(a4,x1), inreadset(a4,x11), inreadset(a15,x8), do(startflow,1), do(a14,2), do(a3,3), do(a12,4), nextvis(1,2), nextvis(2,3), nextvis(3,4), do(a3,9), do(a12,12), do(endflow,13), impossible(a,31), impossible(a,35), impossible(a,45), impossible(a,50), impossible(a,58), impossible(a,63), impossible(a,79), impossible(a,83), impossible(a,93), impossible(a,98), impossible(a,106), impossible(a,111), impossible(a,15), impossible(a,17), impossible(a,18), impossible(a,20), impossible(a,21), impossible(a,69), impossible(a,22), impossible(a,70), impossible(a,23), impossible(a,71), impossible(a,24), impossible(a,72), impossible(a,25), impossible(a,73), impossible(a,26), impossible(a,74), impossible(a,27), impossible(a,40), impossible(a,53), impossible(a,75), impossible(a,88), impossible(a,101), impossible(a,28), impossible(a,41), impossible(a,54), impossible(a,76), impossible(a,89), impossible(a,102), impossible(a,30), impossible(a,43), impossible(a,56), impossible(a,78), impossible(a,91), impossible(a,104), impossible(a,33), impossible(a,48), impossible(a,61), impossible(a,81), impossible(a,96), impossible(a,109), impossible(a,37), impossible(a,85), impossible(a,38), impossible(a,86), impossible(a,39), impossible(a,87), impossible(a,52), impossible(a,100), impossible(a,65), impossible(a,67), impossible(a,68), comp(a3,3,x17,7), comp(a12,4,x10,8), impossible(a,19), impossible(a,66), comp(a12,4,x24,10), impossible(a,16), comp(a12,4,x25,11), impossible(a,29), impossible(a,34), impossible(a,42), impossible(a,49), impossible(a,55), impossible(a,62), impossible(a,77), impossible(a,82), impossible(a,90), impossible(a,97), impossible(a,103), impossible(a,110), impossible(a,44), impossible(a,47), impossible(a,57), impossible(a,60), impossible(a,92), impossible(a,95), impossible(a,105), impossible(a,108), impossible(a,32), impossible(a,36), impossible(a,80), impossible(a,84), impossible(a,46), impossible(a,51), impossible(a,59), impossible(a,64), impossible(a,94), impossible(a,99), impossible(a,107), impossible(a,112), nextvis(7,8), nextvis(8,9), nextvis(9,10), nextvis(10,11), nextvis(11,12), nextvis(12,13), nextvis(4,7), nextvis(13,14)}