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(12,16), next(13,14), next(14,15), next(16,17), next(16,31), next(17,18), next(17,21), next(18,19), next(19,20), next(21,22), next(22,23), next(23,24), next(24,25), next(24,28), next(25,26), next(26,27), next(28,29), next(29,30), next(31,32), next(32,33), doAt(startflow,3), doAt(a2,5), doAt(a1,6), doAt(a14,7), doAt(a19,8), doAt(a20,9), doAt(a3,10), doAt(a5,11), doAt(a6,12), doAt(a4,13), doAt(endflow,14), doAt(endflow,19), doAt(endflow,26), doAt(endflow,29), doAt(endflow,32), doAt(a8,16), doAt(a15,17), doAt(a12,18), doAt(a17,21), doAt(a16,22), doAt(a7,23), doAt(a10,24), doAt(a18,25), doAt(a9,28), doAt(a11,31), subsAt(a2,4), 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(startflow,x26), ineffset(startflow,x27), ineffset(startflow,x28), ineffset(startflow,x29), ineffset(startflow,x30), ineffset(startflow,x31), ineffset(startflow,x32), ineffset(startflow,x33), ineffset(startflow,x34), ineffset(startflow,x35), ineffset(a2,x1), ineffset(a2,x8), ineffset(a2,x11), ineffset(a1,x6), ineffset(a14,x11), ineffset(a14,x13), ineffset(a14,x18), ineffset(a19,x27), ineffset(a20,x17), ineffset(a3,x1), ineffset(a3,x7), ineffset(a3,x10), ineffset(a3,x24), ineffset(a5,x7), ineffset(a5,x8), ineffset(a5,x24), ineffset(a6,co12), ineffset(a6,co13), ineffset(a4,x7), ineffset(a4,x19), ineffset(a4,x23), ineffset(endflow,x20), ineffset(endflow,finished), ineffset(a8,co16), ineffset(a8,co17), ineffset(a15,co30), ineffset(a15,co31), ineffset(a12,x8), ineffset(a12,x9), ineffset(a12,x18), ineffset(a12,x21), ineffset(a17,x12), ineffset(a17,x25), ineffset(a17,x27), ineffset(a17,x34), ineffset(a16,x20), ineffset(a16,x23), ineffset(a16,x24), ineffset(a7,x3), ineffset(a10,co20), ineffset(a10,co21), ineffset(a18,x6), ineffset(a18,x15), ineffset(a9,x11), ineffset(a11,x25), inreadset(a2,x2), inreadset(a2,x3), inreadset(a1,x2), inreadset(a1,x17), inreadset(a14,x7), inreadset(a14,x16), inreadset(a19,x15), inreadset(a20,x7), inreadset(a3,x15), inreadset(a3,x22), inreadset(a5,x1), inreadset(a6,x23), inreadset(a6,x31), inreadset(a4,x5), 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,x26), inreadset(endflow,x27), inreadset(endflow,x28), inreadset(endflow,x29), inreadset(endflow,x30), inreadset(endflow,x31), inreadset(endflow,x32), inreadset(endflow,x33), inreadset(endflow,x34), inreadset(endflow,x35), inreadset(a8,x22), inreadset(a8,x31), inreadset(a15,x14), inreadset(a12,x11), inreadset(a12,x26), inreadset(a17,x8), inreadset(a17,x16), inreadset(a16,x2), inreadset(a16,x26), inreadset(a7,x27), inreadset(a10,x24), inreadset(a10,x30), inreadset(a18,x25), inreadset(a9,x22), inreadset(a11,x33), activity(startflow), activity(a2), activity(a1), activity(a14), activity(a19), activity(a20), activity(a3), activity(a5), activity(a6), activity(a4), activity(endflow), activity(a8), activity(a15), activity(a12), activity(a17), activity(a16), activity(a7), activity(a10), activity(a18), activity(a9), activity(a11), effectsObserved(startflow,1), effectsObserved(a2,2), do(startflow,1), do(a2,2), nextvis(1,2), do(a1,6), do(a14,7), do(a19,8), do(a20,9), do(a3,10), do(a5,11), do(a6,12), do(a4,13), do(endflow,14), do(endflow,19), do(endflow,26), do(endflow,29), do(endflow,32), do(a8,16), do(a15,17), do(a12,18), do(a17,21), do(a16,22), do(a7,23), do(a10,24), do(a18,25), do(a9,28), do(a11,31), nextvis(6,7), nextvis(7,8), nextvis(8,9), nextvis(9,10), nextvis(10,11), nextvis(11,12), nextvis(12,13), nextvis(12,16), nextvis(13,14), nextvis(16,17), nextvis(16,31), nextvis(17,18), nextvis(17,21), nextvis(18,19), nextvis(21,22), nextvis(22,23), nextvis(23,24), nextvis(24,25), nextvis(24,28), nextvis(25,26), nextvis(28,29), nextvis(31,32), nextvis(2,6), nextvis(14,15), nextvis(19,20), nextvis(26,27), nextvis(29,30), nextvis(32,33)}