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(17,43), next(18,19), next(19,20), next(19,28), next(20,21), next(20,24), next(21,22), next(22,23), next(24,25), next(25,26), next(26,27), next(28,29), next(29,30), next(30,31), next(30,40), next(31,32), next(31,35), next(32,33), next(33,34), next(35,36), next(36,37), next(37,38), next(38,39), next(40,41), next(41,42), next(43,44), next(44,45), next(45,46), next(45,54), next(46,47), next(46,50), next(47,48), next(48,49), next(50,51), next(51,52), next(52,53), next(54,55), next(55,56), next(56,57), next(56,66), next(57,58), next(57,61), next(58,59), next(59,60), next(61,62), next(62,63), next(63,64), next(64,65), next(66,67), next(67,68), doAt(startflow,7), doAt(a24,10), doAt(a14,11), doAt(a17,12), doAt(a12,14), doAt(a5,15), doAt(a8,16), doAt(a4,17), doAt(a18,18), doAt(a21,19), doAt(a21,45), doAt(a2,20), doAt(a2,46), doAt(a1,21), doAt(a1,47), doAt(endflow,22), doAt(endflow,26), doAt(endflow,33), doAt(endflow,38), doAt(endflow,41), doAt(endflow,48), doAt(endflow,52), doAt(endflow,59), doAt(endflow,64), doAt(endflow,67), doAt(a10,24), doAt(a10,50), doAt(a9,25), doAt(a9,51), doAt(a23,28), doAt(a23,54), doAt(a25,29), doAt(a25,55), doAt(a15,30), doAt(a15,56), doAt(a16,31), doAt(a16,57), doAt(a20,32), doAt(a20,58), doAt(a11,35), doAt(a11,61), doAt(a13,36), doAt(a13,62), doAt(a7,37), doAt(a7,63), doAt(a19,40), doAt(a19,66), doAt(a3,43), doAt(a22,44), subsAt(a24,8), subsAt(a12,13), ineffset(startflow,x4), ineffset(startflow,x1), ineffset(startflow,x2), ineffset(startflow,x3), 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,x9), ineffset(a14,x12), ineffset(a17,x8), ineffset(a17,x25), ineffset(a12,x1), ineffset(a12,x7), ineffset(a5,x4), ineffset(a8,x18), ineffset(a4,co8), ineffset(a4,co9), ineffset(a18,x6), ineffset(a21,co42), ineffset(a21,co43), ineffset(a2,co4), ineffset(a2,co5), ineffset(a1,x11), ineffset(endflow,x8), ineffset(endflow,finished), ineffset(a10,x20), ineffset(a9,x1), ineffset(a9,x11), ineffset(a23,x10), ineffset(a23,x24), ineffset(a25,x6), ineffset(a25,x8), ineffset(a25,x12), ineffset(a15,co30), ineffset(a15,co31), ineffset(a16,co32), ineffset(a16,co33), ineffset(a20,x22), ineffset(a20,x23), ineffset(a11,x21), ineffset(a13,x1), ineffset(a7,x14), ineffset(a19,x10), ineffset(a19,x15), ineffset(a3,x2), ineffset(a3,x9), ineffset(a3,x17), ineffset(a3,x20), ineffset(a22,x3), ineffset(a22,x12), activity(startflow), activity(a24), activity(a14), activity(a17), activity(a12), activity(a5), activity(a8), activity(a4), activity(a18), activity(a21), activity(a2), activity(a1), activity(endflow), activity(a10), activity(a9), activity(a23), activity(a25), activity(a15), activity(a16), activity(a20), activity(a11), activity(a13), activity(a7), activity(a19), activity(a3), activity(a22), effectsObserved(startflow,1), effectsObserved(a24,2), effectsObserved(a14,3), effectsObserved(a17,4), effectsObserved(a12,5), effectsObserved(a5,6), inreadset(a24,x4), inreadset(a14,x6), inreadset(a17,x13), inreadset(a17,x19), inreadset(a17,x24), inreadset(a12,x4), inreadset(a5,x9), inreadset(a8,x12), inreadset(a4,x11), inreadset(a4,x19), inreadset(a18,x17), inreadset(a21,x12), inreadset(a21,x13), inreadset(a2,x9), inreadset(a2,x22), inreadset(a1,x12), inreadset(endflow,x4), inreadset(endflow,x1), inreadset(endflow,x2), inreadset(endflow,x3), 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,co8), inreadset(endflow,co9), inreadset(endflow,co42), inreadset(endflow,co43), inreadset(endflow,co4), inreadset(endflow,co5), inreadset(endflow,co30), inreadset(endflow,co31), inreadset(endflow,co32), inreadset(endflow,co33), inreadset(endflow,finished), inreadset(a10,x15), inreadset(a9,x25), inreadset(a23,x5), inreadset(a23,x23), inreadset(a25,x13), inreadset(a25,x17), inreadset(a15,x17), inreadset(a15,x18), inreadset(a15,x20), inreadset(a16,x12), inreadset(a16,x17), inreadset(a16,x18), inreadset(a20,x1), inreadset(a20,x3), inreadset(a11,x21), inreadset(a13,x6), inreadset(a7,x5), inreadset(a19,x2), inreadset(a19,x10), inreadset(a19,x19), inreadset(a3,x12), inreadset(a22,x12), inreadset(a22,x21), inreadset(a22,x22), do(startflow,1), do(a24,2), do(a14,3), do(a17,4), do(a12,5), do(a5,6), nextvis(1,2), nextvis(2,3), nextvis(3,4), nextvis(4,5), nextvis(5,6), subs(a24,8), subs(a12,13), do(a24,10), do(a17,12), do(a12,14), do(a5,15), do(a8,16), do(a4,17), do(a18,18), do(a21,19), do(a21,45), do(a2,20), do(a2,46), do(a1,21), do(a1,47), do(endflow,22), do(endflow,26), do(endflow,33), do(endflow,38), do(endflow,41), do(endflow,48), do(endflow,52), do(endflow,59), do(endflow,64), do(endflow,67), do(a10,24), do(a10,50), do(a9,25), do(a9,51), do(a23,28), do(a23,54), do(a25,29), do(a25,55), do(a15,30), do(a15,56), do(a16,31), do(a16,57), do(a20,32), do(a20,58), do(a11,35), do(a11,61), do(a13,36), do(a13,62), do(a7,37), do(a7,63), do(a19,40), do(a19,66), do(a3,43), do(a22,44), comp(a5,6,x4,9), nextvis(8,9), nextvis(9,10), nextvis(12,13), nextvis(13,14), nextvis(14,15), nextvis(15,16), nextvis(16,17), nextvis(17,18), nextvis(17,43), nextvis(18,19), nextvis(19,20), nextvis(19,28), nextvis(20,21), nextvis(20,24), nextvis(21,22), nextvis(24,25), nextvis(25,26), nextvis(28,29), nextvis(29,30), nextvis(30,31), nextvis(30,40), nextvis(31,32), nextvis(31,35), nextvis(32,33), nextvis(35,36), nextvis(36,37), nextvis(37,38), nextvis(40,41), nextvis(43,44), nextvis(44,45), nextvis(45,46), nextvis(45,54), nextvis(46,47), nextvis(46,50), nextvis(47,48), nextvis(50,51), nextvis(51,52), nextvis(54,55), nextvis(55,56), nextvis(56,57), nextvis(56,66), nextvis(57,58), nextvis(57,61), nextvis(58,59), nextvis(61,62), nextvis(62,63), nextvis(63,64), nextvis(66,67), nextvis(6,8), nextvis(10,12), nextvis(22,23), nextvis(26,27), nextvis(33,34), nextvis(38,39), nextvis(41,42), nextvis(48,49), nextvis(52,53), nextvis(59,60), nextvis(64,65), nextvis(67,68)}