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(20,26), next(21,22), next(22,23), next(23,24), next(24,25), next(26,27), next(26,33), next(27,28), next(28,29), next(29,30), next(30,31), next(31,32), next(33,34), next(34,35), next(34,46), 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(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), doAt(startflow,9), doAt(a6,10), doAt(a20,11), doAt(a23,13), doAt(a18,15), doAt(a16,16), doAt(a22,18), doAt(a24,19), doAt(a17,20), doAt(a4,21), doAt(a5,22), doAt(a5,29), doAt(a5,42), doAt(a5,53), doAt(a3,23), doAt(a3,30), doAt(a3,43), doAt(a3,54), doAt(endflow,24), doAt(endflow,31), doAt(endflow,44), doAt(endflow,55), doAt(a8,26), doAt(a11,27), doAt(a19,28), doAt(a15,33), doAt(a13,34), doAt(a21,35), doAt(a25,36), doAt(a25,47), doAt(a2,37), doAt(a2,48), doAt(a1,38), doAt(a1,49), doAt(a12,39), doAt(a12,50), doAt(a9,40), doAt(a9,51), doAt(a10,41), doAt(a10,52), doAt(a7,46), ineffset(startflow,x5), ineffset(startflow,x19), ineffset(startflow,x6), ineffset(startflow,x1), ineffset(startflow,x2), ineffset(startflow,x3), ineffset(startflow,x4), 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,x20), ineffset(startflow,x21), ineffset(startflow,x22), ineffset(startflow,x23), ineffset(startflow,x24), ineffset(startflow,x25), ineffset(a6,x11), ineffset(a6,x12), ineffset(a6,x16), ineffset(a6,x22), ineffset(a20,x11), ineffset(a20,x17), ineffset(a20,x23), ineffset(a23,x3), ineffset(a23,x8), ineffset(a23,x17), ineffset(a18,x5), ineffset(a18,x9), ineffset(a18,x23), ineffset(a16,x20), ineffset(a22,x6), ineffset(a24,x19), ineffset(a24,x12), ineffset(a24,x17), ineffset(a24,x22), ineffset(a17,co34), ineffset(a17,co35), ineffset(a4,x23), ineffset(a4,x24), ineffset(a5,x24), ineffset(a3,x9), ineffset(a3,x12), ineffset(endflow,x13), ineffset(endflow,x14), ineffset(endflow,finished), ineffset(a8,co16), ineffset(a8,co17), ineffset(a11,x3), ineffset(a11,x9), ineffset(a11,x10), ineffset(a19,x2), ineffset(a19,x10), ineffset(a19,x15), ineffset(a15,x6), ineffset(a15,x18), ineffset(a13,co26), ineffset(a13,co27), ineffset(a21,x16), ineffset(a25,x5), ineffset(a2,x5), ineffset(a2,x21), ineffset(a1,x7), ineffset(a1,x20), ineffset(a1,x23), ineffset(a12,x14), ineffset(a9,x15), ineffset(a10,x9), ineffset(a10,x16), ineffset(a7,x18), activity(startflow), activity(a6), activity(a20), activity(a23), activity(a18), activity(a16), activity(a22), activity(a24), activity(a17), activity(a4), activity(a5), activity(a3), activity(endflow), activity(a8), activity(a11), activity(a19), activity(a15), activity(a13), activity(a21), activity(a25), activity(a2), activity(a1), activity(a12), activity(a9), activity(a10), activity(a7), effectsObserved(startflow,1), effectsObserved(a6,2), effectsObserved(a20,3), effectsObserved(a23,4), effectsObserved(a18,5), effectsObserved(a16,6), effectsObserved(a22,7), effectsObserved(a24,8), inreadset(a6,x4), inreadset(a6,x25), inreadset(a20,x2), inreadset(a20,x18), inreadset(a23,x5), inreadset(a18,x19), inreadset(a16,x13), inreadset(a22,x6), inreadset(a22,x3), inreadset(a22,x7), inreadset(a24,x3), inreadset(a24,x21), inreadset(a17,x6), inreadset(a17,x1), inreadset(a4,x6), inreadset(a4,x8), inreadset(a5,x24), inreadset(a3,x11), inreadset(endflow,x5), inreadset(endflow,x19), inreadset(endflow,x6), inreadset(endflow,x1), inreadset(endflow,x2), inreadset(endflow,x3), inreadset(endflow,x4), 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,x20), inreadset(endflow,x21), inreadset(endflow,x22), inreadset(endflow,x23), inreadset(endflow,x24), inreadset(endflow,x25), inreadset(endflow,co34), inreadset(endflow,co35), inreadset(endflow,co16), inreadset(endflow,co17), inreadset(endflow,co26), inreadset(endflow,co27), inreadset(endflow,finished), inreadset(a8,x3), inreadset(a8,x25), inreadset(a11,x23), inreadset(a19,x2), inreadset(a19,x12), inreadset(a15,x20), inreadset(a15,x24), inreadset(a13,x12), inreadset(a13,x16), inreadset(a13,x25), inreadset(a21,x9), inreadset(a25,x10), inreadset(a25,x12), inreadset(a25,x25), inreadset(a2,x22), inreadset(a1,x7), inreadset(a12,x1), inreadset(a12,x9), inreadset(a9,x7), inreadset(a9,x14), inreadset(a9,x23), inreadset(a10,x8), inreadset(a7,x1), do(startflow,1), do(a6,2), do(a20,3), do(a23,4), do(a18,5), do(a16,6), do(a22,7), do(a24,8), nextvis(1,2), nextvis(2,3), nextvis(3,4), nextvis(4,5), nextvis(5,6), nextvis(6,7), nextvis(7,8), do(a22,18), do(a17,20), do(a4,21), do(a5,22), do(a5,29), do(a5,42), do(a5,53), do(a3,23), do(a3,30), do(a3,43), do(a3,54), do(endflow,24), do(endflow,31), do(endflow,44), do(endflow,55), do(a8,26), do(a11,27), do(a19,28), do(a15,33), do(a13,34), do(a21,35), do(a25,36), do(a25,47), do(a2,37), do(a2,48), do(a1,38), do(a1,49), do(a12,39), do(a12,50), do(a9,40), do(a9,51), do(a10,41), do(a10,52), do(a7,46), comp(a22,7,x6,17), nextvis(17,18), nextvis(20,21), nextvis(20,26), nextvis(21,22), nextvis(22,23), nextvis(23,24), nextvis(26,27), nextvis(26,33), nextvis(27,28), nextvis(28,29), nextvis(29,30), nextvis(30,31), nextvis(33,34), nextvis(34,35), nextvis(34,46), nextvis(35,36), nextvis(36,37), nextvis(37,38), nextvis(38,39), nextvis(39,40), nextvis(40,41), nextvis(41,42), nextvis(42,43), nextvis(43,44), nextvis(46,47), nextvis(47,48), nextvis(48,49), nextvis(49,50), nextvis(50,51), nextvis(51,52), nextvis(52,53), nextvis(53,54), nextvis(54,55), nextvis(8,17), nextvis(18,20), nextvis(24,25), nextvis(31,32), nextvis(44,45), nextvis(55,56)}