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(9,31), next(10,11), next(11,12), next(12,13), next(13,14), next(14,15), next(15,16), next(16,17), next(17,18), next(17,21), next(18,19), next(19,20), next(21,22), next(21,25), next(22,23), next(23,24), next(25,26), next(26,27), 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(36,87), next(37,38), next(38,39), next(38,62), next(39,40), next(40,41), next(41,42), next(42,43), next(42,48), next(43,44), next(44,45), next(45,46), next(46,47), next(48,49), next(48,54), next(49,50), next(50,51), next(51,52), next(52,53), next(54,55), next(55,56), next(56,57), next(57,58), next(58,59), next(59,60), next(60,61), next(62,63), next(63,64), next(64,65), next(65,66), next(66,67), next(67,68), next(67,73), next(68,69), next(69,70), next(70,71), next(71,72), next(73,74), next(73,79), next(74,75), next(75,76), next(76,77), next(77,78), next(79,80), next(80,81), next(81,82), next(82,83), next(83,84), next(84,85), next(85,86), next(87,88), next(88,89), next(89,90), next(90,91), next(91,92), next(92,93), next(93,94), next(93,99), next(94,95), next(95,96), next(96,97), next(97,98), next(99,100), next(99,105), next(100,101), next(101,102), next(102,103), next(103,104), next(105,106), next(106,107), next(107,108), next(108,109), next(109,110), next(110,111), next(111,112), doAt(startflow,7), doAt(a11,9), doAt(a13,13), doAt(a1,14), doAt(a23,16), doAt(a23,41), doAt(a23,66), doAt(a23,92), doAt(a17,17), doAt(a17,42), doAt(a17,67), doAt(a17,93), doAt(a6,18), doAt(a6,43), doAt(a6,68), doAt(a6,94), doAt(endflow,19), doAt(endflow,23), doAt(endflow,29), doAt(endflow,46), doAt(endflow,52), doAt(endflow,60), doAt(endflow,71), doAt(endflow,77), doAt(endflow,85), doAt(endflow,97), doAt(endflow,103), doAt(endflow,111), doAt(a15,21), doAt(a15,48), doAt(a15,73), doAt(a15,99), doAt(a19,22), doAt(a19,49), doAt(a19,74), doAt(a19,100), doAt(a5,25), doAt(a5,54), doAt(a5,79), doAt(a5,105), doAt(a20,26), doAt(a20,55), doAt(a20,80), doAt(a20,106), doAt(a24,27), doAt(a24,56), doAt(a24,81), doAt(a24,107), doAt(a4,28), doAt(a4,57), doAt(a4,82), doAt(a4,108), doAt(a25,33), doAt(a7,34), doAt(a16,35), doAt(a18,36), doAt(a14,38), doAt(a3,39), doAt(a21,62), doAt(a12,63), doAt(a8,64), doAt(a10,88), doAt(a2,89), doAt(a22,90), subsAt(a23,15), subsAt(a23,40), subsAt(a23,65), subsAt(a23,91), ineffset(startflow,x25), ineffset(startflow,x20), ineffset(startflow,x11), ineffset(startflow,x1), ineffset(startflow,x5), ineffset(startflow,x19), ineffset(startflow,x16), ineffset(startflow,x2), ineffset(startflow,x3), ineffset(startflow,x4), ineffset(startflow,x6), ineffset(startflow,x7), ineffset(startflow,x8), ineffset(startflow,x9), ineffset(startflow,x10), ineffset(startflow,x12), ineffset(startflow,x13), ineffset(startflow,x14), ineffset(startflow,x15), ineffset(startflow,x17), ineffset(startflow,x18), ineffset(startflow,x21), ineffset(startflow,x22), ineffset(startflow,x23), ineffset(startflow,x24), ineffset(a11,co22), ineffset(a11,co23), ineffset(a13,x25), ineffset(a13,x20), ineffset(a13,x10), ineffset(a13,x24), ineffset(a1,x11), ineffset(a1,x5), ineffset(a23,x1), ineffset(a23,x19), ineffset(a23,x16), ineffset(a17,co34), ineffset(a17,co35), ineffset(a6,x25), ineffset(a6,x3), ineffset(a6,x18), ineffset(a6,x23), ineffset(endflow,x1), ineffset(endflow,x14), ineffset(endflow,x23), ineffset(endflow,finished), ineffset(a15,co30), ineffset(a15,co31), ineffset(a19,x14), ineffset(a5,x16), ineffset(a20,x22), ineffset(a24,x2), ineffset(a24,x10), ineffset(a4,x16), ineffset(a4,x7), ineffset(a4,x12), ineffset(a4,x13), ineffset(a25,x4), ineffset(a25,x10), ineffset(a25,x12), ineffset(a25,x14), ineffset(a7,x15), ineffset(a7,x22), ineffset(a16,x5), ineffset(a16,x17), ineffset(a16,x21), ineffset(a16,x24), ineffset(a18,co36), ineffset(a18,co37), ineffset(a14,co28), ineffset(a14,co29), ineffset(a3,x14), ineffset(a21,x8), ineffset(a21,x15), ineffset(a12,x25), ineffset(a12,x1), ineffset(a12,x15), ineffset(a12,x21), ineffset(a8,x4), ineffset(a8,x12), ineffset(a8,x14), ineffset(a10,x2), ineffset(a2,x19), ineffset(a2,x4), ineffset(a2,x9), ineffset(a2,x14), ineffset(a22,x10), activity(startflow), activity(a11), activity(a13), activity(a1), activity(a23), activity(a17), activity(a6), activity(endflow), activity(a15), activity(a19), activity(a5), activity(a20), activity(a24), activity(a4), activity(a25), activity(a7), activity(a16), activity(a18), activity(a14), activity(a3), activity(a21), activity(a12), activity(a8), activity(a10), activity(a2), activity(a22), effectsObserved(startflow,1), effectsObserved(a11,2), effectsObserved(a13,3), effectsObserved(a1,4), effectsObserved(a23,5), effectsObserved(a17,6), inreadset(a11,x25), inreadset(a11,x17), inreadset(a11,x18), inreadset(a13,x20), inreadset(a13,x11), inreadset(a13,x1), inreadset(a1,x18), inreadset(a1,x23), inreadset(a23,x4), inreadset(a23,x14), inreadset(a23,x15), inreadset(a17,x7), inreadset(a17,x15), inreadset(a6,x1), inreadset(endflow,x25), inreadset(endflow,x20), inreadset(endflow,x11), inreadset(endflow,x1), inreadset(endflow,x5), inreadset(endflow,x19), inreadset(endflow,x16), inreadset(endflow,x2), inreadset(endflow,x3), inreadset(endflow,x4), inreadset(endflow,x6), inreadset(endflow,x7), inreadset(endflow,x8), inreadset(endflow,x9), inreadset(endflow,x10), inreadset(endflow,x12), inreadset(endflow,x13), inreadset(endflow,x14), inreadset(endflow,x15), inreadset(endflow,x17), inreadset(endflow,x18), inreadset(endflow,x21), inreadset(endflow,x22), inreadset(endflow,x23), inreadset(endflow,x24), inreadset(endflow,co22), inreadset(endflow,co23), inreadset(endflow,co36), inreadset(endflow,co37), inreadset(endflow,co28), inreadset(endflow,co29), inreadset(endflow,co34), inreadset(endflow,co35), inreadset(endflow,co30), inreadset(endflow,co31), inreadset(endflow,finished), inreadset(a15,x3), inreadset(a19,x15), inreadset(a5,x1), inreadset(a20,x10), inreadset(a24,x8), inreadset(a24,x9), inreadset(a24,x23), inreadset(a4,x19), inreadset(a4,x21), inreadset(a25,x1), inreadset(a25,x5), inreadset(a25,x8), inreadset(a7,x25), inreadset(a16,x7), inreadset(a18,x6), inreadset(a18,x21), inreadset(a14,x19), inreadset(a14,x14), inreadset(a3,x2), inreadset(a21,x4), inreadset(a12,x23), inreadset(a8,x4), inreadset(a8,x15), inreadset(a10,x5), inreadset(a10,x16), inreadset(a2,x5), inreadset(a2,x17), inreadset(a22,x25), do(startflow,1), do(a11,2), do(a13,3), do(a1,4), do(a23,5), do(a17,6), nextvis(1,2), nextvis(2,3), nextvis(3,4), nextvis(4,5), nextvis(5,6), subs(a23,15), impossible(a,40), impossible(a,65), impossible(a,91), do(a13,13), do(a1,14), do(a23,16), impossible(a,41), impossible(a,66), impossible(a,92), impossible(a,42), impossible(a,67), impossible(a,93), do(a6,18), impossible(a,43), impossible(a,68), impossible(a,94), do(endflow,19), impossible(a,23), impossible(a,29), impossible(a,46), impossible(a,52), impossible(a,60), impossible(a,71), impossible(a,77), impossible(a,85), impossible(a,97), impossible(a,103), impossible(a,111), impossible(a,21), impossible(a,48), impossible(a,73), impossible(a,99), impossible(a,22), impossible(a,49), impossible(a,74), impossible(a,100), impossible(a,25), impossible(a,54), impossible(a,79), impossible(a,105), impossible(a,26), impossible(a,55), impossible(a,80), impossible(a,106), impossible(a,27), impossible(a,56), impossible(a,81), impossible(a,107), impossible(a,28), impossible(a,57), impossible(a,82), impossible(a,108), impossible(a,33), impossible(a,34), impossible(a,35), impossible(a,36), impossible(a,38), impossible(a,39), impossible(a,62), impossible(a,63), impossible(a,64), impossible(a,88), impossible(a,89), impossible(a,90), comp(a13,3,x25,8), comp(a13,3,x20,10), impossible(a,44), impossible(a,50), impossible(a,58), impossible(a,69), impossible(a,75), impossible(a,83), impossible(a,95), impossible(a,101), impossible(a,109), comp(a1,4,x11,11), impossible(a,45), impossible(a,51), impossible(a,59), impossible(a,70), impossible(a,76), impossible(a,84), impossible(a,96), impossible(a,102), impossible(a,110), impossible(a,31), comp(a23,5,x1,12), impossible(a,32), impossible(a,37), impossible(a,87), impossible(a,24), impossible(a,53), impossible(a,78), impossible(a,104), impossible(a,30), impossible(a,61), impossible(a,86), impossible(a,112), impossible(a,47), impossible(a,98), impossible(a,72), nextvis(10,11), nextvis(11,12), nextvis(12,13), nextvis(13,14), nextvis(14,15), nextvis(15,16), nextvis(18,19), nextvis(6,8), nextvis(8,10), nextvis(16,18), nextvis(19,20)}