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(10,11), next(11,12), next(11,17), next(12,13), next(13,14), next(14,15), next(15,16), next(17,18), next(18,19), next(19,20), next(19,33), next(20,21), next(21,22), next(21,27), 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(33,34), next(33,62), next(34,35), next(34,48), next(35,36), next(36,37), next(36,42), next(37,38), next(38,39), next(39,40), next(40,41), next(42,43), next(43,44), next(44,45), next(45,46), next(46,47), next(48,49), next(49,50), next(50,51), next(50,56), next(51,52), next(52,53), next(53,54), next(54,55), next(56,57), next(57,58), next(58,59), next(59,60), next(60,61), next(62,63), next(63,64), next(63,69), next(64,65), next(65,66), next(66,67), next(67,68), next(69,70), next(70,71), next(71,72), next(72,73), next(73,74), doAt(startflow,3), doAt(a12,5), doAt(a20,6), doAt(a2,7), doAt(a18,8), doAt(a7,9), doAt(a10,10), doAt(a15,11), doAt(a4,12), doAt(a11,13), doAt(a11,23), doAt(a11,29), doAt(a11,38), doAt(a11,44), doAt(a11,52), doAt(a11,58), doAt(a11,65), doAt(a11,71), doAt(a16,14), doAt(a16,24), doAt(a16,30), doAt(a16,39), doAt(a16,45), doAt(a16,53), doAt(a16,59), doAt(a16,66), doAt(a16,72), doAt(endflow,15), doAt(endflow,25), doAt(endflow,31), doAt(endflow,40), doAt(endflow,46), doAt(endflow,54), doAt(endflow,60), doAt(endflow,67), doAt(endflow,73), doAt(a21,17), doAt(a13,18), doAt(a8,19), doAt(a23,20), doAt(a24,21), doAt(a24,36), doAt(a24,50), doAt(a24,63), doAt(a17,22), doAt(a17,37), doAt(a17,51), doAt(a17,64), doAt(a19,27), doAt(a19,42), doAt(a19,56), doAt(a19,69), doAt(a3,28), doAt(a3,43), doAt(a3,57), doAt(a3,70), doAt(a9,33), doAt(a22,34), doAt(a1,35), doAt(a14,48), doAt(a5,49), doAt(a6,62), subsAt(a12,4), 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(a12,x12), ineffset(a12,x21), ineffset(a20,x10), ineffset(a20,x11), ineffset(a20,x21), ineffset(a2,x6), ineffset(a18,x1), ineffset(a18,x18), ineffset(a7,x24), ineffset(a10,x14), ineffset(a15,co30), ineffset(a15,co31), ineffset(a4,x1), ineffset(a4,x3), ineffset(a4,x13), ineffset(a4,x19), ineffset(a11,x10), ineffset(a16,x17), ineffset(a16,x24), ineffset(endflow,x15), ineffset(endflow,finished), ineffset(a21,x5), ineffset(a21,x19), ineffset(a21,x22), ineffset(a13,x11), ineffset(a13,x23), ineffset(a8,co16), ineffset(a8,co17), ineffset(a23,x3), ineffset(a23,x13), ineffset(a24,co48), ineffset(a24,co49), ineffset(a17,x5), ineffset(a17,x10), ineffset(a17,x19), ineffset(a19,x11), ineffset(a19,x14), ineffset(a19,x20), ineffset(a19,x24), ineffset(a3,x20), ineffset(a3,x22), ineffset(a3,x23), ineffset(a9,co18), ineffset(a9,co19), ineffset(a22,co44), ineffset(a22,co45), ineffset(a1,x9), ineffset(a1,x12), ineffset(a14,x6), ineffset(a14,x19), ineffset(a5,x13), ineffset(a5,x21), ineffset(a6,x3), ineffset(a6,x16), ineffset(a6,x21), inreadset(a12,x10), inreadset(a12,x20), inreadset(a20,x1), inreadset(a2,x3), inreadset(a2,x12), inreadset(a2,x17), inreadset(a18,x1), inreadset(a18,x20), inreadset(a18,x22), inreadset(a7,x8), inreadset(a7,x17), inreadset(a10,x8), inreadset(a10,x9), inreadset(a10,x25), inreadset(a15,x11), inreadset(a15,x19), inreadset(a15,x23), inreadset(a4,x13), inreadset(a4,x17), inreadset(a11,x4), inreadset(a16,x12), 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(a21,x16), inreadset(a21,x20), inreadset(a13,x11), inreadset(a8,x16), inreadset(a8,x22), inreadset(a23,x1), inreadset(a23,x4), inreadset(a23,x13), inreadset(a24,x20), inreadset(a17,x11), inreadset(a17,x17), inreadset(a17,x24), inreadset(a19,x19), inreadset(a3,x18), inreadset(a9,x6), inreadset(a22,x17), inreadset(a22,x19), inreadset(a22,x23), inreadset(a1,x8), inreadset(a1,x12), inreadset(a14,x9), inreadset(a5,x7), inreadset(a5,x8), inreadset(a5,x25), inreadset(a6,x6), activity(startflow), activity(a12), activity(a20), activity(a2), activity(a18), activity(a7), activity(a10), activity(a15), activity(a4), activity(a11), activity(a16), activity(endflow), activity(a21), activity(a13), activity(a8), activity(a23), activity(a24), activity(a17), activity(a19), activity(a3), activity(a9), activity(a22), activity(a1), activity(a14), activity(a5), activity(a6), effectsObserved(startflow,1), effectsObserved(a12,2), do(startflow,1), do(a12,2), nextvis(1,2), subs(a12,4), do(a12,5), do(a20,6), do(a2,7), do(a18,8), do(a7,9), do(a10,10), do(a15,11), do(a4,12), do(a11,13), do(a11,23), do(a11,29), do(a11,38), do(a11,44), do(a11,52), do(a11,58), do(a11,65), do(a11,71), do(a16,14), do(a16,24), do(a16,30), do(a16,39), do(a16,45), do(a16,53), do(a16,59), do(a16,66), do(a16,72), do(endflow,15), do(endflow,25), do(endflow,31), do(endflow,40), do(endflow,46), do(endflow,54), do(endflow,60), do(endflow,67), do(endflow,73), do(a21,17), do(a13,18), do(a8,19), do(a23,20), do(a24,21), do(a24,36), do(a24,50), do(a24,63), do(a17,22), do(a17,37), do(a17,51), do(a17,64), do(a19,27), do(a19,42), do(a19,56), do(a19,69), do(a3,28), do(a3,43), do(a3,57), do(a3,70), do(a9,33), do(a22,34), do(a1,35), do(a14,48), do(a5,49), do(a6,62), nextvis(4,5), nextvis(5,6), nextvis(6,7), nextvis(7,8), nextvis(8,9), nextvis(9,10), nextvis(10,11), nextvis(11,12), nextvis(11,17), nextvis(12,13), nextvis(13,14), nextvis(14,15), nextvis(17,18), nextvis(18,19), nextvis(19,20), nextvis(19,33), nextvis(20,21), nextvis(21,22), nextvis(21,27), nextvis(22,23), nextvis(23,24), nextvis(24,25), nextvis(27,28), nextvis(28,29), nextvis(29,30), nextvis(30,31), nextvis(33,34), nextvis(33,62), nextvis(34,35), nextvis(34,48), nextvis(35,36), nextvis(36,37), nextvis(36,42), nextvis(37,38), nextvis(38,39), nextvis(39,40), nextvis(42,43), nextvis(43,44), nextvis(44,45), nextvis(45,46), nextvis(48,49), nextvis(49,50), nextvis(50,51), nextvis(50,56), nextvis(51,52), nextvis(52,53), nextvis(53,54), nextvis(56,57), nextvis(57,58), nextvis(58,59), nextvis(59,60), nextvis(62,63), nextvis(63,64), nextvis(63,69), nextvis(64,65), nextvis(65,66), nextvis(66,67), nextvis(69,70), nextvis(70,71), nextvis(71,72), nextvis(72,73), nextvis(2,4), nextvis(15,16), nextvis(25,26), nextvis(31,32), nextvis(40,41), nextvis(46,47), nextvis(54,55), nextvis(60,61), nextvis(67,68), nextvis(73,74)}