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(14,18), next(15,16), next(16,17), next(18,19), next(19,20), next(19,23), next(20,21), next(21,22), next(23,24), 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(34,39), next(35,36), next(36,37), next(37,38), next(39,40), next(40,41), next(41,42), doAt(startflow,5), doAt(a3,7), doAt(a11,8), doAt(a9,10), doAt(endflow,11), doAt(endflow,16), doAt(endflow,21), doAt(endflow,37), doAt(endflow,41), doAt(a16,13), doAt(a17,14), doAt(a1,15), doAt(a23,18), doAt(a7,19), doAt(a22,20), doAt(a24,23), doAt(a20,24), doAt(a2,25), doAt(a19,26), doAt(a5,27), doAt(a8,28), doAt(a6,29), doAt(a4,30), doAt(a25,31), doAt(a15,32), doAt(a18,33), doAt(a13,34), doAt(a21,35), doAt(a12,36), doAt(a12,40), doAt(a14,39), ineffset(startflow,x8), ineffset(startflow,x3), ineffset(startflow,x1), ineffset(startflow,x2), ineffset(startflow,x4), ineffset(startflow,x5), ineffset(startflow,x6), ineffset(startflow,x7), 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(a3,x8), ineffset(a3,x3), ineffset(a3,x13), ineffset(a11,co22), ineffset(a11,co23), ineffset(a9,x3), ineffset(endflow,x19), ineffset(endflow,finished), ineffset(a16,x3), ineffset(a16,x6), ineffset(a16,x9), ineffset(a16,x16), ineffset(a17,co34), ineffset(a17,co35), ineffset(a1,x12), ineffset(a1,x21), ineffset(a23,x19), ineffset(a7,co14), ineffset(a7,co15), ineffset(a22,x10), ineffset(a22,x21), ineffset(a22,x22), ineffset(a24,x10), ineffset(a24,x12), ineffset(a20,x12), ineffset(a20,x18), ineffset(a20,x19), ineffset(a20,x25), ineffset(a2,x4), ineffset(a19,x6), ineffset(a5,x4), ineffset(a5,x9), ineffset(a8,x15), ineffset(a6,x12), ineffset(a4,x7), ineffset(a25,x10), ineffset(a25,x20), ineffset(a25,x22), ineffset(a25,x25), ineffset(a15,x6), ineffset(a15,x9), ineffset(a15,x11), ineffset(a15,x13), ineffset(a18,x21), ineffset(a13,co26), ineffset(a13,co27), ineffset(a21,x25), ineffset(a12,x23), ineffset(a14,x2), ineffset(a14,x18), activity(startflow), activity(a3), activity(a11), activity(a9), activity(endflow), activity(a16), activity(a17), activity(a1), activity(a23), activity(a7), activity(a22), activity(a24), activity(a20), activity(a2), activity(a19), activity(a5), activity(a8), activity(a6), activity(a4), activity(a25), activity(a15), activity(a18), activity(a13), activity(a21), activity(a12), activity(a14), effectsObserved(startflow,1), effectsObserved(a3,2), effectsObserved(a11,3), effectsObserved(a9,4), inreadset(a3,x8), inreadset(a3,x18), inreadset(a11,x11), inreadset(a9,x3), inreadset(a9,x18), inreadset(a9,x24), inreadset(endflow,x8), inreadset(endflow,x3), inreadset(endflow,x1), inreadset(endflow,x2), inreadset(endflow,x4), inreadset(endflow,x5), inreadset(endflow,x6), inreadset(endflow,x7), 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,co22), inreadset(endflow,co23), inreadset(endflow,co34), inreadset(endflow,co35), inreadset(endflow,co14), inreadset(endflow,co15), inreadset(endflow,co26), inreadset(endflow,co27), inreadset(endflow,finished), inreadset(a16,x16), inreadset(a16,x22), inreadset(a17,x8), inreadset(a1,x1), inreadset(a1,x11), inreadset(a1,x15), inreadset(a23,x8), inreadset(a7,x2), inreadset(a7,x13), inreadset(a22,x14), inreadset(a22,x24), inreadset(a24,x6), inreadset(a24,x7), inreadset(a24,x13), inreadset(a20,x2), inreadset(a2,x14), inreadset(a19,x11), inreadset(a5,x15), inreadset(a8,x22), inreadset(a6,x2), inreadset(a4,x6), inreadset(a4,x12), inreadset(a4,x19), inreadset(a25,x12), inreadset(a15,x16), inreadset(a18,x10), inreadset(a18,x14), inreadset(a13,x7), inreadset(a13,x16), inreadset(a13,x24), inreadset(a21,x7), inreadset(a21,x20), inreadset(a12,x17), inreadset(a14,x8), inreadset(a14,x4), inreadset(a14,x16), do(startflow,1), do(a3,2), do(a11,3), do(a9,4), nextvis(1,2), nextvis(2,3), nextvis(3,4), do(a3,7), do(a9,10), do(endflow,11), impossible(a,16), impossible(a,21), impossible(a,37), impossible(a,41), impossible(a,13), impossible(a,14), impossible(a,15), impossible(a,18), impossible(a,19), impossible(a,20), impossible(a,23), impossible(a,24), impossible(a,25), impossible(a,26), impossible(a,27), impossible(a,28), impossible(a,29), impossible(a,30), impossible(a,31), impossible(a,32), impossible(a,33), impossible(a,34), impossible(a,35), impossible(a,36), impossible(a,40), impossible(a,39), comp(a3,2,x8,6), impossible(a,17), impossible(a,22), impossible(a,38), impossible(a,42), nextvis(6,7), nextvis(10,11), nextvis(4,6), nextvis(7,10), nextvis(11,12)}