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(12,13), next(13,14), next(14,15), next(15,16), next(16,17), next(17,18), 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(26,27), next(27,28), next(28,29), next(29,30), next(30,31), next(31,32), next(32,33), next(33,34), next(34,35), next(35,36), next(36,37), next(37,38), next(38,39), next(39,40), next(40,41), next(41,42), next(42,43), next(43,44), next(44,45), next(45,46), next(46,47), next(47,48), next(48,49), next(49,50), next(50,51), next(51,52), next(52,53), next(53,54), next(54,55), next(55,56), next(55,65), next(56,57), next(57,58), next(58,59), next(59,60), 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), doAt(startflow,20), doAt(a2,21), doAt(a21,24), doAt(a19,26), doAt(a25,30), doAt(a11,33), doAt(a23,35), doAt(a12,36), doAt(a15,37), doAt(a3,40), doAt(a18,44), doAt(a7,46), doAt(a17,47), doAt(a20,50), doAt(a13,51), doAt(a22,53), doAt(a24,55), doAt(a9,56), doAt(a6,57), doAt(a10,58), doAt(a16,59), doAt(a4,60), doAt(a4,66), doAt(a5,61), doAt(a5,67), doAt(a14,62), doAt(a14,69), doAt(endflow,63), doAt(endflow,70), doAt(a8,65), subsAt(a21,22), subsAt(a3,38), subsAt(a7,45), subsAt(a22,52), ineffset(startflow,x7), ineffset(startflow,x10), ineffset(startflow,x17), ineffset(startflow,x25), ineffset(startflow,x23), ineffset(startflow,x16), ineffset(startflow,x3), ineffset(startflow,x14), ineffset(startflow,x9), ineffset(startflow,x1), ineffset(startflow,x2), ineffset(startflow,x4), ineffset(startflow,x5), ineffset(startflow,x6), ineffset(startflow,x8), ineffset(startflow,x11), ineffset(startflow,x12), ineffset(startflow,x13), ineffset(startflow,x15), ineffset(startflow,x18), ineffset(startflow,x19), ineffset(startflow,x20), ineffset(startflow,x21), ineffset(startflow,x22), ineffset(startflow,x24), ineffset(a2,x16), ineffset(a2,x6), ineffset(a21,x16), ineffset(a19,x18), ineffset(a25,x9), ineffset(a11,x10), ineffset(a11,x6), ineffset(a23,x17), ineffset(a12,x25), ineffset(a15,x16), ineffset(a15,x3), ineffset(a15,x6), ineffset(a3,x25), ineffset(a18,x17), ineffset(a18,x3), ineffset(a18,x5), ineffset(a7,x17), ineffset(a7,x8), ineffset(a17,x9), ineffset(a20,x23), ineffset(a20,x18), ineffset(a13,x3), ineffset(a13,x20), ineffset(a22,x3), ineffset(a24,co48), ineffset(a24,co49), ineffset(a9,x7), ineffset(a9,x16), ineffset(a9,x9), ineffset(a6,x14), ineffset(a10,x25), ineffset(a10,x6), ineffset(a10,x8), ineffset(a10,x21), ineffset(a16,x1), ineffset(a4,x11), ineffset(a5,x4), ineffset(a5,x11), ineffset(a5,x24), ineffset(a14,x9), ineffset(endflow,x10), ineffset(endflow,x16), ineffset(endflow,x13), ineffset(endflow,finished), ineffset(a8,x17), ineffset(a8,x2), ineffset(a8,x20), ineffset(a8,x24), activity(startflow), activity(a2), activity(a21), activity(a19), activity(a25), activity(a11), activity(a23), activity(a12), activity(a15), activity(a3), activity(a18), activity(a7), activity(a17), activity(a20), activity(a13), activity(a22), activity(a24), activity(a9), activity(a6), activity(a10), activity(a16), activity(a4), activity(a5), activity(a14), activity(endflow), activity(a8), effectsObserved(startflow,1), effectsObserved(a2,2), effectsObserved(a21,3), effectsObserved(a19,4), effectsObserved(a25,5), effectsObserved(a11,6), effectsObserved(a23,7), effectsObserved(a12,8), effectsObserved(a15,9), effectsObserved(a3,10), effectsObserved(a18,11), effectsObserved(a7,12), effectsObserved(a17,13), effectsObserved(a20,14), effectsObserved(a13,15), effectsObserved(a22,16), effectsObserved(a24,17), effectsObserved(a9,18), effectsObserved(a6,19), inreadset(a2,x24), inreadset(a21,x7), inreadset(a21,x4), inreadset(a19,x10), inreadset(a19,x13), inreadset(a19,x24), inreadset(a25,x17), inreadset(a25,x2), inreadset(a25,x4), inreadset(a11,x25), inreadset(a23,x23), inreadset(a23,x2), inreadset(a12,x10), inreadset(a12,x21), inreadset(a15,x7), inreadset(a3,x16), inreadset(a3,x22), inreadset(a18,x3), inreadset(a7,x25), inreadset(a17,x5), inreadset(a20,x3), inreadset(a20,x24), inreadset(a13,x5), inreadset(a13,x22), inreadset(a22,x17), inreadset(a22,x24), inreadset(a24,x14), inreadset(a24,x15), inreadset(a24,x20), inreadset(a9,x14), inreadset(a9,x20), inreadset(a6,x7), inreadset(a10,x5), inreadset(a16,x15), inreadset(a16,x18), inreadset(a4,x10), inreadset(a5,x1), inreadset(a5,x21), inreadset(a14,x9), inreadset(endflow,x7), inreadset(endflow,x10), inreadset(endflow,x17), inreadset(endflow,x25), inreadset(endflow,x23), inreadset(endflow,x16), inreadset(endflow,x3), inreadset(endflow,x14), inreadset(endflow,x9), inreadset(endflow,x1), inreadset(endflow,x2), inreadset(endflow,x4), inreadset(endflow,x5), inreadset(endflow,x6), inreadset(endflow,x8), inreadset(endflow,x11), inreadset(endflow,x12), inreadset(endflow,x13), inreadset(endflow,x15), inreadset(endflow,x18), inreadset(endflow,x19), inreadset(endflow,x20), inreadset(endflow,x21), inreadset(endflow,x22), inreadset(endflow,x24), inreadset(endflow,co48), inreadset(endflow,co49), inreadset(endflow,finished), inreadset(a8,x15), do(startflow,1), do(a2,2), do(a21,3), do(a19,4), do(a25,5), do(a11,6), do(a23,7), do(a12,8), do(a15,9), do(a3,10), do(a18,11), do(a7,12), do(a17,13), do(a20,14), do(a13,15), do(a22,16), do(a24,17), do(a9,18), do(a6,19), nextvis(1,2), nextvis(2,3), nextvis(3,4), 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(12,13), nextvis(13,14), nextvis(14,15), nextvis(15,16), nextvis(16,17), nextvis(17,18), nextvis(18,19), subs(a3,38), subs(a7,45), subs(a22,52), do(a2,21), do(a12,36), do(a15,37), do(a3,40), do(a18,44), do(a7,46), do(a17,47), do(a20,50), do(a13,51), do(a22,53), do(a24,55), do(a9,56), do(a6,57), do(a10,58), do(a16,59), do(a4,60), do(a4,66), do(a5,61), do(a5,67), do(a14,62), do(a14,69), do(endflow,63), do(endflow,70), do(a8,65), comp(a9,18,x7,23), comp(a6,19,x14,54), nextvis(36,37), nextvis(37,38), nextvis(44,45), nextvis(45,46), nextvis(46,47), nextvis(50,51), nextvis(51,52), nextvis(52,53), nextvis(53,54), nextvis(54,55), nextvis(55,56), nextvis(55,65), nextvis(56,57), nextvis(57,58), nextvis(58,59), nextvis(59,60), nextvis(60,61), nextvis(61,62), nextvis(62,63), nextvis(65,66), nextvis(66,67), nextvis(69,70), nextvis(19,21), nextvis(21,23), nextvis(23,36), nextvis(38,40), nextvis(40,44), nextvis(47,50), nextvis(67,69), nextvis(63,64), nextvis(70,71)}