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(4,8), next(5,6), next(6,7), next(8,9), next(9,10), next(10,11), next(11,12), next(11,26), next(12,13), next(12,16), next(13,14), next(14,15), next(16,17), next(17,18), next(18,19), next(19,20), next(19,23), next(20,21), next(21,22), next(23,24), next(24,25), next(26,27), doAt(startflow,3), doAt(a15,4), doAt(a1,5), doAt(endflow,6), doAt(endflow,14), doAt(endflow,21), doAt(endflow,24), doAt(endflow,26), doAt(a3,8), doAt(a10,9), doAt(a4,10), doAt(a11,11), doAt(a13,12), doAt(a12,13), doAt(a8,16), doAt(a2,17), doAt(a9,18), doAt(a5,19), doAt(a6,20), doAt(a14,23), 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(a15,co30), ineffset(a15,co31), ineffset(a1,x26), ineffset(endflow,x3), ineffset(endflow,x11), ineffset(endflow,x15), ineffset(endflow,x20), ineffset(endflow,finished), ineffset(a3,x1), ineffset(a3,x16), ineffset(a10,x34), ineffset(a4,x9), ineffset(a4,x14), ineffset(a4,x15), ineffset(a11,co22), ineffset(a11,co23), ineffset(a13,co26), ineffset(a13,co27), ineffset(a12,x30), ineffset(a8,x2), ineffset(a8,x3), ineffset(a8,x24), ineffset(a8,x35), ineffset(a2,x27), ineffset(a9,x4), ineffset(a9,x17), ineffset(a9,x25), ineffset(a9,x26), ineffset(a5,co10), ineffset(a5,co11), ineffset(a6,x3), ineffset(a6,x8), ineffset(a6,x34), ineffset(a6,x35), ineffset(a14,x5), ineffset(a14,x23), ineffset(a14,x24), inreadset(a15,x35), inreadset(a1,x15), inreadset(a1,x22), inreadset(a1,x24), 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(a3,x21), inreadset(a10,x30), inreadset(a4,x12), inreadset(a11,x7), inreadset(a13,x7), inreadset(a13,x26), inreadset(a12,x14), inreadset(a12,x19), inreadset(a12,x34), inreadset(a8,x2), inreadset(a8,x25), inreadset(a2,x23), inreadset(a9,x25), inreadset(a9,x35), inreadset(a5,x7), inreadset(a5,x19), inreadset(a6,x8), inreadset(a14,x27), activity(startflow), activity(a15), activity(a1), activity(endflow), activity(a3), activity(a10), activity(a4), activity(a11), activity(a13), activity(a12), activity(a8), activity(a2), activity(a9), activity(a5), activity(a6), activity(a14), effectsObserved(startflow,1), effectsObserved(a15,2), do(startflow,1), do(a15,2), nextvis(1,2), do(a1,5), do(endflow,6), impossible(a,14), impossible(a,21), impossible(a,24), impossible(a,26), impossible(a,8), impossible(a,9), impossible(a,10), impossible(a,11), impossible(a,12), impossible(a,13), impossible(a,16), impossible(a,17), impossible(a,18), impossible(a,19), impossible(a,20), impossible(a,23), impossible(a,27), impossible(a,15), impossible(a,22), impossible(a,25), nextvis(5,6), nextvis(2,5), nextvis(6,7)}