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(8,13), next(9,10), next(10,11), next(11,12), next(13,14), next(14,15), next(15,16), next(16,17), next(17,18), next(17,22), next(18,19), next(19,20), next(20,21), next(22,23), next(23,24), next(24,25), next(25,26), next(25,40), next(26,27), next(27,28), next(28,29), next(29,30), next(29,34), next(30,31), next(31,32), next(32,33), next(34,35), next(35,36), next(36,37), next(37,38), next(38,39), next(40,41), next(41,42), next(42,43), next(43,44), next(43,48), next(44,45), next(45,46), next(46,47), next(48,49), next(49,50), next(50,51), next(51,52), next(52,53), doAt(startflow,4), doAt(a21,6), doAt(a19,7), doAt(a18,8), doAt(a7,9), doAt(a8,10), doAt(a8,19), doAt(a8,31), doAt(a8,37), doAt(a8,45), doAt(a8,51), doAt(endflow,11), doAt(endflow,20), doAt(endflow,32), doAt(endflow,38), doAt(endflow,46), doAt(endflow,52), doAt(a6,13), doAt(a12,14), doAt(a15,15), doAt(a3,16), doAt(a20,17), doAt(a5,18), doAt(a14,22), doAt(a13,23), doAt(a25,24), doAt(a9,25), doAt(a23,26), doAt(a2,27), doAt(a2,41), doAt(a16,28), doAt(a16,42), doAt(a22,29), doAt(a22,43), doAt(a10,30), doAt(a10,44), doAt(a17,34), doAt(a17,48), doAt(a1,35), doAt(a1,49), doAt(a4,36), doAt(a4,50), doAt(a24,40), 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(a21,x4), ineffset(a21,x17), ineffset(a21,x22), ineffset(a19,x7), ineffset(a19,x21), ineffset(a18,co36), ineffset(a18,co37), ineffset(a7,x19), ineffset(a8,x8), ineffset(endflow,x3), ineffset(endflow,x19), ineffset(endflow,x21), ineffset(endflow,finished), ineffset(a6,x22), ineffset(a12,x5), ineffset(a12,x7), ineffset(a12,x16), ineffset(a15,x15), ineffset(a15,x21), ineffset(a3,x13), ineffset(a3,x14), ineffset(a20,co40), ineffset(a20,co41), ineffset(a5,x3), ineffset(a5,x11), ineffset(a5,x22), ineffset(a5,x24), ineffset(a14,x1), ineffset(a14,x15), ineffset(a13,x9), ineffset(a13,x20), ineffset(a25,x6), ineffset(a25,x17), ineffset(a9,co18), ineffset(a9,co19), ineffset(a23,x12), ineffset(a23,x20), ineffset(a2,x2), ineffset(a2,x6), ineffset(a2,x8), ineffset(a2,x18), ineffset(a16,x12), ineffset(a16,x21), ineffset(a22,co44), ineffset(a22,co45), ineffset(a10,x14), ineffset(a10,x17), ineffset(a10,x18), ineffset(a10,x19), ineffset(a17,x7), ineffset(a17,x21), ineffset(a1,x2), ineffset(a4,x5), ineffset(a4,x10), ineffset(a4,x21), ineffset(a24,x14), ineffset(a24,x15), activity(startflow), activity(a21), activity(a19), activity(a18), activity(a7), activity(a8), activity(endflow), activity(a6), activity(a12), activity(a15), activity(a3), activity(a20), activity(a5), activity(a14), activity(a13), activity(a25), activity(a9), activity(a23), activity(a2), activity(a16), activity(a22), activity(a10), activity(a17), activity(a1), activity(a4), activity(a24), effectsObserved(startflow,1), effectsObserved(a21,2), effectsObserved(a19,3), inreadset(a21,x4), inreadset(a19,x13), inreadset(a18,x21), inreadset(a7,x1), inreadset(a7,x3), inreadset(a7,x16), inreadset(a8,x17), 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,co36), inreadset(endflow,co37), inreadset(endflow,co40), inreadset(endflow,co41), inreadset(endflow,co18), inreadset(endflow,co19), inreadset(endflow,co44), inreadset(endflow,co45), inreadset(endflow,finished), inreadset(a6,x11), inreadset(a12,x11), inreadset(a15,x4), inreadset(a15,x2), inreadset(a15,x14), inreadset(a3,x5), inreadset(a20,x6), inreadset(a20,x8), inreadset(a20,x9), inreadset(a5,x9), inreadset(a14,x24), inreadset(a13,x1), inreadset(a13,x13), inreadset(a25,x11), inreadset(a25,x15), inreadset(a9,x13), inreadset(a9,x25), inreadset(a23,x10), inreadset(a2,x6), inreadset(a16,x10), inreadset(a22,x17), inreadset(a10,x22), inreadset(a17,x7), inreadset(a17,x13), inreadset(a17,x24), inreadset(a1,x18), inreadset(a4,x15), inreadset(a24,x2), inreadset(a24,x3), inreadset(a24,x7), do(startflow,1), do(a21,2), do(a19,3), nextvis(1,2), nextvis(2,3), do(a21,6), do(a18,8), do(a7,9), do(a8,10), do(a8,19), do(a8,31), do(a8,37), do(a8,45), do(a8,51), do(endflow,11), do(endflow,20), do(endflow,32), do(endflow,38), do(endflow,46), do(endflow,52), do(a6,13), do(a12,14), do(a15,15), do(a3,16), do(a20,17), do(a5,18), do(a14,22), do(a13,23), do(a25,24), do(a9,25), do(a23,26), do(a2,27), do(a2,41), do(a16,28), do(a16,42), do(a22,29), do(a22,43), do(a10,30), do(a10,44), do(a17,34), do(a17,48), do(a1,35), do(a1,49), do(a4,36), do(a4,50), do(a24,40), comp(a21,2,x4,5), nextvis(5,6), nextvis(8,9), nextvis(8,13), nextvis(9,10), nextvis(10,11), nextvis(13,14), nextvis(14,15), nextvis(15,16), nextvis(16,17), nextvis(17,18), nextvis(17,22), nextvis(18,19), nextvis(19,20), nextvis(22,23), nextvis(23,24), nextvis(24,25), nextvis(25,26), nextvis(25,40), nextvis(26,27), nextvis(27,28), nextvis(28,29), nextvis(29,30), nextvis(29,34), nextvis(30,31), nextvis(31,32), nextvis(34,35), nextvis(35,36), nextvis(36,37), nextvis(37,38), nextvis(40,41), nextvis(41,42), nextvis(42,43), nextvis(43,44), nextvis(43,48), nextvis(44,45), nextvis(45,46), nextvis(48,49), nextvis(49,50), nextvis(50,51), nextvis(51,52), nextvis(3,5), nextvis(6,8), nextvis(11,12), nextvis(20,21), nextvis(32,33), nextvis(38,39), nextvis(46,47), nextvis(52,53)}