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(9,14), next(10,11), next(11,12), next(12,13), next(14,15), next(15,16), next(16,17), next(17,18), next(18,19), next(18,23), next(19,20), next(20,21), next(21,22), next(23,24), next(24,25), next(25,26), next(25,29), next(26,27), next(27,28), next(29,30), next(30,31), next(30,36), next(31,32), next(32,33), next(33,34), next(34,35), next(36,37), next(37,38), next(38,39), next(38,45), next(39,40), next(40,41), next(41,42), next(42,43), next(43,44), next(45,46), next(46,47), next(47,48), next(48,49), next(49,50), next(50,51), next(51,52), doAt(startflow,5), doAt(a25,8), doAt(a21,9), doAt(a2,11), doAt(endflow,12), doAt(endflow,21), doAt(endflow,27), doAt(endflow,34), doAt(endflow,43), doAt(endflow,51), doAt(a1,14), doAt(a7,17), doAt(a15,18), doAt(a10,19), doAt(a6,23), doAt(a3,24), doAt(a16,25), doAt(a23,26), doAt(a11,29), doAt(a20,30), doAt(a4,31), doAt(a12,32), doAt(a12,41), doAt(a12,49), doAt(a17,33), doAt(a17,42), doAt(a17,50), doAt(a19,36), doAt(a18,37), doAt(a8,38), doAt(a5,39), doAt(a22,40), doAt(a22,48), doAt(a14,45), doAt(a24,46), doAt(a13,47), subsAt(a25,7), ineffset(startflow,x3), ineffset(startflow,x15), ineffset(startflow,x4), ineffset(startflow,x25), ineffset(startflow,x1), ineffset(startflow,x2), 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,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(a25,x3), ineffset(a21,co42), ineffset(a21,co43), ineffset(a2,x15), ineffset(a2,x4), ineffset(a2,x25), ineffset(a2,x24), ineffset(endflow,x25), ineffset(endflow,finished), ineffset(a1,x3), ineffset(a1,x12), ineffset(a1,x24), ineffset(a7,x6), ineffset(a15,co30), ineffset(a15,co31), ineffset(a10,x4), ineffset(a10,x11), ineffset(a10,x19), ineffset(a6,x7), ineffset(a6,x18), ineffset(a3,x15), ineffset(a3,x22), ineffset(a16,co32), ineffset(a16,co33), ineffset(a23,x15), ineffset(a11,x15), ineffset(a11,x4), ineffset(a11,x25), ineffset(a11,x6), ineffset(a20,co40), ineffset(a20,co41), ineffset(a4,x15), ineffset(a4,x25), ineffset(a4,x24), ineffset(a12,x4), ineffset(a12,x14), ineffset(a12,x19), ineffset(a12,x21), ineffset(a17,x2), ineffset(a19,x25), ineffset(a19,x20), ineffset(a18,x25), ineffset(a18,x5), ineffset(a18,x7), ineffset(a8,co16), ineffset(a8,co17), ineffset(a5,x10), ineffset(a5,x17), ineffset(a5,x18), ineffset(a5,x19), ineffset(a22,x9), ineffset(a22,x19), ineffset(a22,x22), ineffset(a14,x10), ineffset(a24,x15), ineffset(a24,x14), ineffset(a24,x23), ineffset(a13,x11), activity(startflow), activity(a25), activity(a21), activity(a2), activity(endflow), activity(a1), activity(a7), activity(a15), activity(a10), activity(a6), activity(a3), activity(a16), activity(a23), activity(a11), activity(a20), activity(a4), activity(a12), activity(a17), activity(a19), activity(a18), activity(a8), activity(a5), activity(a22), activity(a14), activity(a24), activity(a13), effectsObserved(startflow,1), effectsObserved(a25,2), effectsObserved(a21,3), effectsObserved(a2,4), inreadset(a25,x3), inreadset(a21,x12), inreadset(a2,x15), inreadset(a2,x1), inreadset(a2,x18), inreadset(endflow,x3), inreadset(endflow,x15), inreadset(endflow,x4), inreadset(endflow,x25), inreadset(endflow,x1), inreadset(endflow,x2), 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,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,co42), inreadset(endflow,co43), inreadset(endflow,co30), inreadset(endflow,co31), inreadset(endflow,co32), inreadset(endflow,co33), inreadset(endflow,co40), inreadset(endflow,co41), inreadset(endflow,co16), inreadset(endflow,co17), inreadset(endflow,finished), inreadset(a1,x6), inreadset(a1,x17), inreadset(a1,x21), inreadset(a7,x4), inreadset(a7,x25), inreadset(a7,x21), inreadset(a15,x4), inreadset(a15,x5), inreadset(a15,x14), inreadset(a10,x1), inreadset(a6,x2), inreadset(a3,x1), inreadset(a16,x18), inreadset(a16,x24), inreadset(a23,x25), inreadset(a11,x23), inreadset(a20,x21), inreadset(a4,x5), inreadset(a12,x4), inreadset(a12,x7), inreadset(a12,x22), inreadset(a17,x3), inreadset(a17,x19), inreadset(a19,x19), inreadset(a18,x2), inreadset(a18,x11), inreadset(a8,x6), inreadset(a8,x7), inreadset(a8,x10), inreadset(a5,x2), inreadset(a5,x8), inreadset(a5,x20), inreadset(a22,x25), inreadset(a22,x1), inreadset(a14,x24), inreadset(a24,x15), inreadset(a13,x4), inreadset(a13,x5), do(startflow,1), do(a25,2), do(a21,3), do(a2,4), nextvis(1,2), nextvis(2,3), nextvis(3,4), subs(a25,7), do(a25,8), do(a2,11), do(endflow,12), impossible(a,21), impossible(a,27), impossible(a,34), impossible(a,43), impossible(a,51), impossible(a,14), impossible(a,17), impossible(a,18), impossible(a,19), impossible(a,23), impossible(a,24), impossible(a,25), impossible(a,26), impossible(a,29), impossible(a,30), impossible(a,31), impossible(a,32), impossible(a,41), impossible(a,49), impossible(a,33), impossible(a,42), impossible(a,50), impossible(a,36), impossible(a,37), impossible(a,38), impossible(a,39), impossible(a,40), impossible(a,48), impossible(a,45), impossible(a,46), impossible(a,47), comp(a25,2,x3,6), comp(a2,4,x15,10), impossible(a,20), impossible(a,15), impossible(a,16), impossible(a,22), impossible(a,28), impossible(a,35), impossible(a,44), impossible(a,52), nextvis(6,7), nextvis(7,8), nextvis(10,11), nextvis(11,12), nextvis(4,6), nextvis(8,10), nextvis(12,13)}