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(12,21), next(13,14), next(14,15), next(14,18), next(15,16), next(16,17), next(18,19), next(19,20), next(21,22), next(22,23), next(23,24), next(24,25), next(24,43), 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(35,36), next(35,39), next(36,37), next(37,38), next(39,40), next(40,41), next(41,42), next(43,44), next(44,45), next(45,46), next(46,47), next(47,48), next(48,49), next(49,50), next(50,51), next(51,52), next(52,53), next(52,56), next(53,54), next(54,55), next(56,57), next(57,58), next(58,59), doAt(startflow,7), doAt(a1,9), doAt(a20,11), doAt(a21,12), doAt(a12,13), doAt(a10,14), doAt(a17,15), doAt(endflow,16), doAt(endflow,19), doAt(endflow,37), doAt(endflow,41), doAt(endflow,54), doAt(endflow,58), doAt(a25,18), doAt(a22,21), doAt(a9,22), doAt(a18,23), doAt(a2,24), doAt(a19,25), doAt(a3,27), doAt(a3,44), doAt(a14,28), doAt(a14,45), doAt(a4,30), doAt(a4,47), doAt(a5,31), doAt(a5,48), doAt(a13,32), doAt(a13,49), doAt(a8,33), doAt(a8,50), doAt(a23,34), doAt(a23,51), doAt(a11,35), doAt(a11,52), doAt(a7,36), doAt(a7,53), doAt(a24,39), doAt(a24,56), doAt(a16,40), doAt(a16,57), doAt(a15,43), ineffset(startflow,x16), ineffset(startflow,x19), ineffset(startflow,x8), ineffset(startflow,x15), ineffset(startflow,x1), ineffset(startflow,x2), ineffset(startflow,x3), 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,x17), ineffset(startflow,x18), ineffset(startflow,x20), ineffset(startflow,x21), ineffset(startflow,x22), ineffset(startflow,x23), ineffset(startflow,x24), ineffset(startflow,x25), ineffset(a1,x16), ineffset(a1,x13), ineffset(a1,x23), ineffset(a20,x9), ineffset(a21,co42), ineffset(a21,co43), ineffset(a12,x19), ineffset(a12,x8), ineffset(a12,x15), ineffset(a10,co20), ineffset(a10,co21), ineffset(a17,x16), ineffset(a17,x19), ineffset(endflow,x10), ineffset(endflow,x13), ineffset(endflow,x22), ineffset(endflow,x23), ineffset(endflow,finished), ineffset(a25,x20), ineffset(a22,x10), ineffset(a22,x17), ineffset(a22,x24), ineffset(a9,x23), ineffset(a18,x16), ineffset(a2,co4), ineffset(a2,co5), ineffset(a19,x19), ineffset(a3,x19), ineffset(a3,x10), ineffset(a3,x11), ineffset(a14,x8), ineffset(a4,x20), ineffset(a5,x6), ineffset(a13,x10), ineffset(a8,x12), ineffset(a23,x19), ineffset(a23,x6), ineffset(a11,co22), ineffset(a11,co23), ineffset(a7,x6), ineffset(a24,x23), ineffset(a16,x6), ineffset(a16,x13), ineffset(a15,x8), ineffset(a15,x1), ineffset(a15,x9), activity(startflow), activity(a1), activity(a20), activity(a21), activity(a12), activity(a10), activity(a17), activity(endflow), activity(a25), activity(a22), activity(a9), activity(a18), activity(a2), activity(a19), activity(a3), activity(a14), activity(a4), activity(a5), activity(a13), activity(a8), activity(a23), activity(a11), activity(a7), activity(a24), activity(a16), activity(a15), effectsObserved(startflow,1), effectsObserved(a1,2), effectsObserved(a20,3), effectsObserved(a21,4), effectsObserved(a12,5), effectsObserved(a10,6), inreadset(a1,x16), inreadset(a1,x14), inreadset(a1,x25), inreadset(a20,x19), inreadset(a20,x14), inreadset(a20,x25), inreadset(a21,x4), inreadset(a12,x3), inreadset(a12,x20), inreadset(a10,x2), inreadset(a17,x3), inreadset(a17,x22), inreadset(endflow,x16), inreadset(endflow,x19), inreadset(endflow,x8), inreadset(endflow,x15), inreadset(endflow,x1), inreadset(endflow,x2), inreadset(endflow,x3), 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,x17), inreadset(endflow,x18), inreadset(endflow,x20), inreadset(endflow,x21), inreadset(endflow,x22), inreadset(endflow,x23), inreadset(endflow,x24), inreadset(endflow,x25), inreadset(endflow,co42), inreadset(endflow,co43), inreadset(endflow,co20), inreadset(endflow,co21), inreadset(endflow,co4), inreadset(endflow,co5), inreadset(endflow,co22), inreadset(endflow,co23), inreadset(endflow,finished), inreadset(a25,x5), inreadset(a25,x6), inreadset(a22,x4), inreadset(a9,x5), inreadset(a9,x11), inreadset(a9,x17), inreadset(a18,x6), inreadset(a18,x22), inreadset(a2,x1), inreadset(a19,x19), inreadset(a3,x8), inreadset(a14,x25), inreadset(a4,x16), inreadset(a4,x15), inreadset(a4,x24), inreadset(a5,x3), inreadset(a13,x3), inreadset(a8,x16), inreadset(a23,x23), inreadset(a11,x11), inreadset(a11,x12), inreadset(a11,x13), inreadset(a7,x18), inreadset(a24,x3), inreadset(a24,x13), inreadset(a16,x14), inreadset(a15,x7), inreadset(a15,x11), do(startflow,1), do(a1,2), do(a20,3), do(a21,4), do(a12,5), do(a10,6), nextvis(1,2), nextvis(2,3), nextvis(3,4), nextvis(4,5), nextvis(5,6), do(a20,11), do(a12,13), do(a17,15), do(endflow,16), impossible(a,19), impossible(a,37), impossible(a,41), impossible(a,54), impossible(a,58), impossible(a,18), impossible(a,21), impossible(a,22), impossible(a,23), impossible(a,24), impossible(a,25), impossible(a,27), impossible(a,44), impossible(a,28), impossible(a,45), impossible(a,30), impossible(a,47), impossible(a,31), impossible(a,48), impossible(a,32), impossible(a,49), impossible(a,33), impossible(a,50), impossible(a,34), impossible(a,51), impossible(a,35), impossible(a,52), impossible(a,36), impossible(a,53), impossible(a,39), impossible(a,56), impossible(a,40), impossible(a,57), impossible(a,43), comp(a12,5,x19,10), impossible(a,26), impossible(a,29), impossible(a,46), impossible(a,20), impossible(a,55), impossible(a,38), impossible(a,59), impossible(a,42), nextvis(10,11), nextvis(15,16), nextvis(6,10), nextvis(11,13), nextvis(13,15), nextvis(16,17)}