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(12,39), next(13,14), next(14,15), next(15,16), next(16,17), next(17,18), next(18,19), next(18,37), next(19,20), next(19,23), next(20,21), next(21,22), next(23,24), next(24,25), next(25,26), next(26,27), next(27,28), next(28,29), next(28,32), next(29,30), next(30,31), next(32,33), next(33,34), next(34,35), next(35,36), next(37,38), next(39,40), next(40,41), next(41,42), next(42,43), next(43,44), next(44,45), next(44,63), next(45,46), next(45,49), next(46,47), next(47,48), next(49,50), next(50,51), next(51,52), next(52,53), next(53,54), next(54,55), next(54,58), next(55,56), next(56,57), next(58,59), next(59,60), next(60,61), next(61,62), next(63,64), doAt(startflow,5), doAt(a20,8), doAt(a12,10), doAt(a8,11), doAt(a23,12), doAt(a4,13), doAt(a21,14), doAt(a25,15), doAt(a25,41), doAt(a15,16), doAt(a15,42), doAt(a5,17), doAt(a5,43), doAt(a14,18), doAt(a14,44), doAt(a2,19), doAt(a2,45), doAt(a9,20), doAt(a9,46), doAt(endflow,21), doAt(endflow,30), doAt(endflow,35), doAt(endflow,37), doAt(endflow,47), doAt(endflow,56), doAt(endflow,61), doAt(endflow,63), doAt(a18,23), doAt(a18,49), doAt(a22,24), doAt(a22,50), doAt(a1,25), doAt(a1,51), doAt(a19,26), doAt(a19,52), doAt(a11,27), doAt(a11,53), doAt(a24,28), doAt(a24,54), doAt(a3,29), doAt(a3,55), doAt(a17,32), doAt(a17,58), doAt(a16,33), doAt(a16,59), doAt(a10,34), doAt(a10,60), doAt(a7,39), doAt(a6,40), subsAt(a20,6), subsAt(a12,9), ineffset(startflow,x18), 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,x19), ineffset(startflow,x20), ineffset(startflow,x21), ineffset(startflow,x22), ineffset(startflow,x23), ineffset(startflow,x24), ineffset(startflow,x25), ineffset(a20,x3), ineffset(a20,x5), ineffset(a20,x9), ineffset(a12,x14), ineffset(a8,x18), ineffset(a8,x17), ineffset(a23,co46), ineffset(a23,co47), ineffset(a4,x6), ineffset(a21,x6), ineffset(a21,x8), ineffset(a21,x14), ineffset(a21,x22), ineffset(a25,x10), ineffset(a25,x17), ineffset(a15,x3), ineffset(a15,x11), ineffset(a5,x23), ineffset(a14,co28), ineffset(a14,co29), ineffset(a2,co4), ineffset(a2,co5), ineffset(a9,x22), ineffset(endflow,x8), ineffset(endflow,finished), ineffset(a18,x6), ineffset(a22,x8), ineffset(a22,x9), ineffset(a22,x17), ineffset(a1,x18), ineffset(a1,x11), ineffset(a1,x16), ineffset(a1,x17), ineffset(a19,x11), ineffset(a19,x22), ineffset(a11,x25), ineffset(a24,co48), ineffset(a24,co49), ineffset(a3,x19), ineffset(a17,x5), ineffset(a17,x12), ineffset(a17,x24), ineffset(a16,x2), ineffset(a16,x17), ineffset(a10,x25), ineffset(a7,x3), ineffset(a7,x16), ineffset(a7,x20), ineffset(a7,x21), ineffset(a6,x7), ineffset(a6,x25), activity(startflow), activity(a20), activity(a12), activity(a8), activity(a23), activity(a4), activity(a21), activity(a25), activity(a15), activity(a5), activity(a14), activity(a2), activity(a9), activity(endflow), activity(a18), activity(a22), activity(a1), activity(a19), activity(a11), activity(a24), activity(a3), activity(a17), activity(a16), activity(a10), activity(a7), activity(a6), effectsObserved(startflow,1), effectsObserved(a20,2), effectsObserved(a12,3), effectsObserved(a8,4), inreadset(a20,x18), inreadset(a20,x12), inreadset(a12,x3), inreadset(a8,x6), inreadset(a23,x4), inreadset(a4,x2), inreadset(a21,x14), inreadset(a25,x1), inreadset(a25,x19), inreadset(a15,x1), inreadset(a15,x11), inreadset(a5,x9), inreadset(a14,x6), inreadset(a2,x3), inreadset(a2,x15), inreadset(a2,x21), inreadset(a9,x22), inreadset(a9,x23), inreadset(endflow,x18), 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,x19), inreadset(endflow,x20), inreadset(endflow,x21), inreadset(endflow,x22), inreadset(endflow,x23), inreadset(endflow,x24), inreadset(endflow,x25), inreadset(endflow,co46), inreadset(endflow,co47), inreadset(endflow,co28), inreadset(endflow,co29), inreadset(endflow,co4), inreadset(endflow,co5), inreadset(endflow,co48), inreadset(endflow,co49), inreadset(endflow,finished), inreadset(a18,x5), inreadset(a22,x2), inreadset(a22,x19), inreadset(a1,x9), inreadset(a1,x21), inreadset(a19,x6), inreadset(a19,x7), inreadset(a19,x19), inreadset(a11,x4), inreadset(a24,x7), inreadset(a24,x11), inreadset(a24,x21), inreadset(a3,x5), inreadset(a3,x10), inreadset(a17,x14), inreadset(a16,x5), inreadset(a10,x6), inreadset(a7,x4), inreadset(a7,x9), inreadset(a7,x15), inreadset(a6,x16), do(startflow,1), do(a20,2), do(a12,3), do(a8,4), nextvis(1,2), nextvis(2,3), nextvis(3,4), subs(a20,6), subs(a12,9), do(a20,8), do(a12,10), do(a8,11), do(a23,12), do(a4,13), do(a21,14), do(a25,15), do(a25,41), do(a15,16), do(a15,42), do(a5,17), do(a5,43), do(a14,18), do(a14,44), do(a2,19), do(a2,45), do(a9,20), do(a9,46), do(endflow,21), do(endflow,30), do(endflow,35), do(endflow,37), do(endflow,47), do(endflow,56), do(endflow,61), do(endflow,63), do(a18,23), do(a18,49), do(a22,24), do(a22,50), do(a1,25), do(a1,51), do(a19,26), do(a19,52), do(a11,27), do(a11,53), do(a24,28), do(a24,54), do(a3,29), do(a3,55), do(a17,32), do(a17,58), do(a16,33), do(a16,59), do(a10,34), do(a10,60), do(a7,39), do(a6,40), comp(a8,4,x18,7), nextvis(6,7), nextvis(7,8), nextvis(8,9), nextvis(9,10), nextvis(10,11), nextvis(11,12), nextvis(12,13), nextvis(12,39), nextvis(13,14), nextvis(14,15), nextvis(15,16), nextvis(16,17), nextvis(17,18), nextvis(18,19), nextvis(18,37), nextvis(19,20), nextvis(19,23), nextvis(20,21), nextvis(23,24), nextvis(24,25), nextvis(25,26), nextvis(26,27), nextvis(27,28), nextvis(28,29), nextvis(28,32), nextvis(29,30), nextvis(32,33), nextvis(33,34), nextvis(34,35), nextvis(39,40), nextvis(40,41), nextvis(41,42), nextvis(42,43), nextvis(43,44), nextvis(44,45), nextvis(44,63), nextvis(45,46), nextvis(45,49), nextvis(46,47), nextvis(49,50), nextvis(50,51), nextvis(51,52), nextvis(52,53), nextvis(53,54), nextvis(54,55), nextvis(54,58), nextvis(55,56), nextvis(58,59), nextvis(59,60), nextvis(60,61), nextvis(4,6), nextvis(21,22), nextvis(30,31), nextvis(35,36), nextvis(37,38), nextvis(47,48), nextvis(56,57), nextvis(61,62), nextvis(63,64)}