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(7,44), next(8,9), next(9,10), next(9,38), next(10,11), next(10,17), next(11,12), next(12,13), next(13,14), next(14,15), next(15,16), next(17,18), next(17,24), next(18,19), next(19,20), next(20,21), next(21,22), next(22,23), 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(38,39), next(39,40), next(40,41), next(41,42), next(42,43), next(44,45), next(45,46), next(46,47), next(46,75), next(47,48), next(47,54), next(48,49), next(49,50), next(50,51), next(51,52), next(52,53), next(54,55), next(54,61), next(55,56), next(56,57), next(57,58), next(58,59), next(59,60), next(61,62), next(62,63), next(63,64), next(64,65), next(65,66), next(66,67), next(67,68), next(68,69), next(69,70), next(70,71), next(71,72), next(72,73), next(73,74), next(75,76), next(76,77), next(77,78), next(78,79), next(79,80), doAt(startflow,3), doAt(a13,5), doAt(a23,6), doAt(a24,7), doAt(a17,8), doAt(a19,9), doAt(a19,46), doAt(a20,10), doAt(a20,47), doAt(a6,11), doAt(a6,48), doAt(a15,12), doAt(a15,19), doAt(a15,33), doAt(a15,39), doAt(a15,49), doAt(a15,56), doAt(a15,70), doAt(a15,76), doAt(a1,13), doAt(a1,20), doAt(a1,34), doAt(a1,40), doAt(a1,50), doAt(a1,57), doAt(a1,71), doAt(a1,77), doAt(a14,14), doAt(a14,21), doAt(a14,35), doAt(a14,41), doAt(a14,51), doAt(a14,58), doAt(a14,72), doAt(a14,78), doAt(endflow,15), doAt(endflow,22), doAt(endflow,36), doAt(endflow,42), doAt(endflow,52), doAt(endflow,59), doAt(endflow,73), doAt(endflow,79), doAt(a11,17), doAt(a11,54), doAt(a18,18), doAt(a18,55), doAt(a3,24), doAt(a3,61), doAt(a4,25), doAt(a4,62), doAt(a9,26), doAt(a9,63), doAt(a10,27), doAt(a10,64), doAt(a21,28), doAt(a21,65), doAt(a12,29), doAt(a12,66), doAt(a16,30), doAt(a16,67), doAt(a25,31), doAt(a25,68), doAt(a2,32), doAt(a2,69), doAt(a8,38), doAt(a8,75), doAt(a22,44), doAt(a7,45), subsAt(a13,4), 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(a13,x20), ineffset(a23,x3), ineffset(a23,x10), ineffset(a24,co48), ineffset(a24,co49), ineffset(a17,x19), ineffset(a17,x24), ineffset(a19,co38), ineffset(a19,co39), ineffset(a20,co40), ineffset(a20,co41), ineffset(a6,x1), ineffset(a6,x15), ineffset(a6,x22), ineffset(a15,x6), ineffset(a15,x20), ineffset(a15,x25), ineffset(a1,x24), ineffset(a14,x12), ineffset(endflow,x12), ineffset(endflow,x15), ineffset(endflow,finished), ineffset(a11,co22), ineffset(a11,co23), ineffset(a18,x5), ineffset(a18,x9), ineffset(a18,x10), ineffset(a18,x20), ineffset(a3,x13), ineffset(a4,x2), ineffset(a4,x10), ineffset(a4,x18), ineffset(a9,x4), ineffset(a10,x24), ineffset(a21,x1), ineffset(a21,x22), ineffset(a12,x9), ineffset(a12,x10), ineffset(a12,x16), ineffset(a12,x22), ineffset(a16,x15), ineffset(a25,x6), ineffset(a2,x17), ineffset(a8,x12), ineffset(a22,x6), ineffset(a22,x11), ineffset(a22,x19), ineffset(a22,x24), ineffset(a7,x4), ineffset(a7,x18), ineffset(a7,x19), activity(startflow), activity(a13), activity(a23), activity(a24), activity(a17), activity(a19), activity(a20), activity(a6), activity(a15), activity(a1), activity(a14), activity(endflow), activity(a11), activity(a18), activity(a3), activity(a4), activity(a9), activity(a10), activity(a21), activity(a12), activity(a16), activity(a25), activity(a2), activity(a8), activity(a22), activity(a7), effectsObserved(startflow,1), effectsObserved(a13,2), inreadset(a13,x19), inreadset(a23,x16), inreadset(a24,x4), inreadset(a17,x10), inreadset(a17,x21), inreadset(a19,x8), inreadset(a19,x9), inreadset(a19,x14), inreadset(a20,x18), inreadset(a6,x11), inreadset(a6,x13), inreadset(a15,x7), inreadset(a15,x8), inreadset(a15,x16), inreadset(a1,x6), inreadset(a1,x12), inreadset(a1,x19), inreadset(a14,x7), inreadset(a14,x15), inreadset(a14,x17), 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,co38), inreadset(endflow,co39), inreadset(endflow,co40), inreadset(endflow,co41), inreadset(endflow,co22), inreadset(endflow,co23), inreadset(endflow,finished), inreadset(a11,x11), inreadset(a18,x3), inreadset(a3,x19), inreadset(a4,x9), inreadset(a4,x20), inreadset(a9,x5), inreadset(a10,x9), inreadset(a10,x20), inreadset(a10,x22), inreadset(a21,x4), inreadset(a21,x5), inreadset(a12,x23), inreadset(a16,x16), inreadset(a16,x17), inreadset(a16,x19), inreadset(a25,x15), inreadset(a25,x17), inreadset(a2,x23), inreadset(a8,x14), inreadset(a8,x16), inreadset(a8,x22), inreadset(a22,x2), inreadset(a7,x23), do(startflow,1), do(a13,2), nextvis(1,2), subs(a13,4), do(a13,5), do(a23,6), do(a24,7), do(a17,8), do(a19,9), do(a19,46), do(a20,10), do(a20,47), do(a6,11), do(a6,48), do(a15,12), do(a15,19), do(a15,33), do(a15,39), do(a15,49), do(a15,56), do(a15,70), do(a15,76), do(a1,13), do(a1,20), do(a1,34), do(a1,40), do(a1,50), do(a1,57), do(a1,71), do(a1,77), do(a14,14), do(a14,21), do(a14,35), do(a14,41), do(a14,51), do(a14,58), do(a14,72), do(a14,78), do(endflow,15), do(endflow,22), do(endflow,36), do(endflow,42), do(endflow,52), do(endflow,59), do(endflow,73), do(endflow,79), do(a11,17), do(a11,54), do(a18,18), do(a18,55), do(a3,24), do(a3,61), do(a4,25), do(a4,62), do(a9,26), do(a9,63), do(a10,27), do(a10,64), do(a21,28), do(a21,65), do(a12,29), do(a12,66), do(a16,30), do(a16,67), do(a25,31), do(a25,68), do(a2,32), do(a2,69), do(a8,38), do(a8,75), do(a22,44), do(a7,45), nextvis(4,5), nextvis(5,6), nextvis(6,7), nextvis(7,8), nextvis(7,44), nextvis(8,9), nextvis(9,10), nextvis(9,38), nextvis(10,11), nextvis(10,17), nextvis(11,12), nextvis(12,13), nextvis(13,14), nextvis(14,15), nextvis(17,18), nextvis(17,24), nextvis(18,19), nextvis(19,20), nextvis(20,21), nextvis(21,22), nextvis(24,25), nextvis(25,26), nextvis(26,27), nextvis(27,28), nextvis(28,29), nextvis(29,30), nextvis(30,31), nextvis(31,32), nextvis(32,33), nextvis(33,34), nextvis(34,35), nextvis(35,36), nextvis(38,39), nextvis(39,40), nextvis(40,41), nextvis(41,42), nextvis(44,45), nextvis(45,46), nextvis(46,47), nextvis(46,75), nextvis(47,48), nextvis(47,54), nextvis(48,49), nextvis(49,50), nextvis(50,51), nextvis(51,52), nextvis(54,55), nextvis(54,61), nextvis(55,56), nextvis(56,57), nextvis(57,58), nextvis(58,59), nextvis(61,62), nextvis(62,63), nextvis(63,64), nextvis(64,65), nextvis(65,66), nextvis(66,67), nextvis(67,68), nextvis(68,69), nextvis(69,70), nextvis(70,71), nextvis(71,72), nextvis(72,73), nextvis(75,76), nextvis(76,77), nextvis(77,78), nextvis(78,79), nextvis(2,4), nextvis(15,16), nextvis(22,23), nextvis(36,37), nextvis(42,43), nextvis(52,53), nextvis(59,60), nextvis(73,74), nextvis(79,80)}