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(12,13), next(13,14), next(13,17), next(14,15), next(15,16), next(17,18), next(18,19), next(19,20), next(20,21), next(21,22), next(21,25), next(22,23), next(23,24), next(25,26), next(26,27), next(27,28), next(28,29), next(28,32), next(29,30), next(30,31), next(32,33), next(33,34), next(33,37), next(34,35), next(35,36), next(37,38), next(38,39), doAt(startflow,3), doAt(a8,4), doAt(a19,5), doAt(endflow,6), doAt(endflow,15), doAt(endflow,23), doAt(endflow,30), doAt(endflow,35), doAt(endflow,38), doAt(a1,8), doAt(a12,9), doAt(a23,10), doAt(a4,11), doAt(a24,12), doAt(a20,13), doAt(a25,14), doAt(a3,17), doAt(a6,18), doAt(a9,19), doAt(a16,20), doAt(a15,21), doAt(a21,22), doAt(a7,25), doAt(a13,26), doAt(a10,27), doAt(a17,28), doAt(a18,29), doAt(a14,32), doAt(a11,33), doAt(a2,34), doAt(a5,37), ineffset(startflow,x1), 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ineffset(a25,x22), ineffset(a3,x21), ineffset(a6,x9), ineffset(a6,x16), ineffset(a6,x20), ineffset(a6,x23), ineffset(a9,x8), ineffset(a16,x6), ineffset(a15,co30), ineffset(a15,co31), ineffset(a21,x1), ineffset(a7,x21), ineffset(a13,x12), ineffset(a13,x16), ineffset(a13,x21), ineffset(a10,x23), ineffset(a17,co34), ineffset(a17,co35), ineffset(a18,x4), ineffset(a18,x14), ineffset(a18,x23), ineffset(a18,x25), ineffset(a14,x7), ineffset(a14,x20), ineffset(a11,co22), ineffset(a11,co23), ineffset(a2,x11), ineffset(a2,x13), ineffset(a2,x18), ineffset(a2,x20), ineffset(a5,x7), ineffset(a5,x8), ineffset(a5,x16), activity(startflow), activity(a8), activity(a19), activity(endflow), activity(a1), activity(a12), activity(a23), activity(a4), activity(a24), activity(a20), activity(a25), activity(a3), activity(a6), activity(a9), activity(a16), activity(a15), activity(a21), activity(a7), activity(a13), activity(a10), activity(a17), activity(a18), activity(a14), activity(a11), activity(a2), activity(a5), effectsObserved(startflow,1), effectsObserved(a8,2), inreadset(a8,x16), inreadset(a19,x11), 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,co16), inreadset(endflow,co17), inreadset(endflow,co40), inreadset(endflow,co41), inreadset(endflow,co30), inreadset(endflow,co31), inreadset(endflow,co34), inreadset(endflow,co35), inreadset(endflow,co22), inreadset(endflow,co23), inreadset(endflow,finished), inreadset(a1,x22), 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impossible(a,13), impossible(a,14), impossible(a,17), impossible(a,18), impossible(a,19), impossible(a,20), impossible(a,21), impossible(a,22), impossible(a,25), impossible(a,26), impossible(a,27), impossible(a,28), impossible(a,29), impossible(a,32), impossible(a,33), impossible(a,34), impossible(a,37), impossible(a,16), impossible(a,24), impossible(a,31), impossible(a,36), impossible(a,39), nextvis(5,6), nextvis(2,5), nextvis(6,7)}