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(4,38), next(5,6), next(6,7), next(7,8), next(8,9), next(9,10), next(10,11), next(10,14), next(11,12), next(12,13), next(14,15), next(14,18), next(15,16), next(16,17), next(18,19), next(18,22), next(19,20), next(20,21), next(22,23), next(23,24), next(24,25), next(25,26), 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(36,37), next(38,39), next(39,40), next(40,41), next(41,42), next(42,43), next(42,46), next(43,44), next(44,45), next(46,47), next(46,50), next(47,48), next(48,49), next(50,51), next(50,54), 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(60,65), next(61,62), next(62,63), next(63,64), next(65,66), next(66,67), next(67,68), next(68,69), doAt(startflow,3), doAt(a24,4), doAt(a12,5), doAt(a21,6), doAt(a25,7), doAt(a25,39), doAt(a23,8), doAt(a23,40), doAt(a18,9), doAt(a18,41), doAt(a4,10), doAt(a4,42), doAt(a13,11), doAt(a13,43), doAt(endflow,12), doAt(endflow,16), doAt(endflow,20), doAt(endflow,31), doAt(endflow,36), doAt(endflow,44), doAt(endflow,48), doAt(endflow,52), doAt(endflow,63), doAt(endflow,68), doAt(a9,14), doAt(a9,46), doAt(a6,15), doAt(a6,47), doAt(a7,18), doAt(a7,50), doAt(a20,19), doAt(a20,51), doAt(a22,22), doAt(a22,54), doAt(a1,23), doAt(a1,55), doAt(a15,24), doAt(a15,56), doAt(a11,25), doAt(a11,57), doAt(a5,26), doAt(a5,58), doAt(a19,27), doAt(a19,59), doAt(a14,28), doAt(a14,60), doAt(a16,29), doAt(a16,61), doAt(a10,30), doAt(a10,35), doAt(a10,62), doAt(a10,67), doAt(a17,33), doAt(a17,65), doAt(a8,34), doAt(a8,66), doAt(a3,38), 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(a24,co48), ineffset(a24,co49), ineffset(a12,x17), ineffset(a21,x16), ineffset(a21,x17), ineffset(a21,x18), ineffset(a25,x5), ineffset(a25,x13), ineffset(a23,x8), ineffset(a23,x13), ineffset(a23,x15), ineffset(a23,x23), ineffset(a18,x20), ineffset(a4,co8), ineffset(a4,co9), ineffset(a13,x6), ineffset(endflow,x4), ineffset(endflow,x6), ineffset(endflow,x8), ineffset(endflow,x14), ineffset(endflow,finished), ineffset(a9,co18), ineffset(a9,co19), ineffset(a6,x20), ineffset(a7,co14), ineffset(a7,co15), ineffset(a20,x14), ineffset(a22,x2), ineffset(a22,x3), ineffset(a22,x10), ineffset(a22,x18), ineffset(a1,x21), ineffset(a15,x12), ineffset(a11,x16), ineffset(a5,x19), ineffset(a19,x24), ineffset(a14,co28), ineffset(a14,co29), ineffset(a16,x23), ineffset(a10,x1), ineffset(a10,x4), ineffset(a10,x19), ineffset(a17,x1), ineffset(a17,x11), ineffset(a8,x8), ineffset(a3,x8), ineffset(a3,x12), ineffset(a3,x15), ineffset(a3,x16), activity(startflow), activity(a24), activity(a12), activity(a21), activity(a25), activity(a23), activity(a18), activity(a4), activity(a13), activity(endflow), activity(a9), activity(a6), activity(a7), activity(a20), activity(a22), activity(a1), activity(a15), activity(a11), activity(a5), activity(a19), activity(a14), activity(a16), activity(a10), activity(a17), activity(a8), activity(a3), effectsObserved(startflow,1), effectsObserved(a24,2), inreadset(a24,x5), inreadset(a24,x10), inreadset(a24,x22), inreadset(a12,x13), inreadset(a21,x2), inreadset(a21,x18), inreadset(a21,x23), inreadset(a25,x5), inreadset(a25,x9), inreadset(a23,x8), inreadset(a23,x16), inreadset(a18,x25), inreadset(a4,x7), inreadset(a13,x24), 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,co48), inreadset(endflow,co49), inreadset(endflow,co8), inreadset(endflow,co9), inreadset(endflow,co18), inreadset(endflow,co19), inreadset(endflow,co14), inreadset(endflow,co15), inreadset(endflow,co28), inreadset(endflow,co29), inreadset(endflow,finished), inreadset(a9,x2), inreadset(a9,x19), inreadset(a9,x21), inreadset(a6,x16), inreadset(a7,x5), inreadset(a20,x2), inreadset(a22,x3), inreadset(a22,x12), inreadset(a22,x13), inreadset(a1,x21), inreadset(a15,x7), inreadset(a15,x11), inreadset(a15,x17), inreadset(a11,x14), inreadset(a5,x13), inreadset(a5,x17), inreadset(a5,x24), inreadset(a19,x25), inreadset(a14,x16), inreadset(a16,x7), inreadset(a16,x11), inreadset(a10,x5), inreadset(a10,x16), inreadset(a10,x19), inreadset(a17,x19), inreadset(a8,x24), inreadset(a3,x8), inreadset(a3,x9), inreadset(a3,x16), do(startflow,1), do(a24,2), nextvis(1,2), do(a24,4), do(a12,5), do(a21,6), do(a25,7), impossible(a,39), do(a23,8), impossible(a,40), do(a18,9), impossible(a,41), do(a4,10), impossible(a,42), do(a13,11), impossible(a,43), do(endflow,12), do(endflow,16), do(endflow,20), do(endflow,31), do(endflow,36), impossible(a,44), impossible(a,48), impossible(a,52), impossible(a,63), impossible(a,68), do(a9,14), impossible(a,46), do(a6,15), impossible(a,47), do(a7,18), impossible(a,50), do(a20,19), impossible(a,51), do(a22,22), impossible(a,54), do(a1,23), impossible(a,55), do(a15,24), impossible(a,56), do(a11,25), impossible(a,57), do(a5,26), impossible(a,58), do(a19,27), impossible(a,59), do(a14,28), impossible(a,60), do(a16,29), impossible(a,61), do(a10,30), do(a10,35), impossible(a,62), impossible(a,67), do(a17,33), impossible(a,65), do(a8,34), impossible(a,66), impossible(a,38), impossible(a,45), impossible(a,49), impossible(a,53), impossible(a,64), impossible(a,69), nextvis(4,5), nextvis(5,6), nextvis(6,7), nextvis(7,8), nextvis(8,9), nextvis(9,10), nextvis(10,11), nextvis(10,14), nextvis(11,12), nextvis(14,15), nextvis(14,18), nextvis(15,16), nextvis(18,19), nextvis(18,22), nextvis(19,20), nextvis(22,23), nextvis(23,24), nextvis(24,25), nextvis(25,26), nextvis(26,27), nextvis(27,28), nextvis(28,29), nextvis(28,33), nextvis(29,30), nextvis(30,31), nextvis(33,34), nextvis(34,35), nextvis(35,36), nextvis(2,4), nextvis(12,13), nextvis(16,17), nextvis(20,21), nextvis(31,32), nextvis(36,37)}