Wed May 15 04:07:43 2024 Wed May 15 04:07:43 2024 Wed May 15 04:07:43 2024 Msieve v. 1.54 (SVN Unversioned directory) Wed May 15 04:07:43 2024 random seeds: 91da5167 6e4349b4 Wed May 15 04:07:43 2024 Using 32 OpenMP threads Wed May 15 04:07:43 2024 factoring 3346964487288498739220483066982505151046919246785518813373017187531251398699007151423868818686267693972803068153430823482490899842792804472790529754313146845989344370095990553936983 (181 digits) Wed May 15 04:07:44 2024 searching for 15-digit factors Wed May 15 04:07:45 2024 commencing number field sieve (181-digit input) Wed May 15 04:07:45 2024 R0: -73175018247347936396419020380611636 Wed May 15 04:07:45 2024 R1: 10021821799478701087 Wed May 15 04:07:45 2024 A0: -34743549903395155590689008949320668955468155 Wed May 15 04:07:45 2024 A1: 8333280384030102794114119566735150959 Wed May 15 04:07:45 2024 A2: 784199735589687550423703209785 Wed May 15 04:07:45 2024 A3: -8429479832909497037679 Wed May 15 04:07:45 2024 A4: -353286773891950 Wed May 15 04:07:45 2024 A5: 1595280 Wed May 15 04:07:45 2024 skew 46388778.74, size 1.036e-17, alpha -7.629, combined = 7.226e-14 rroots = 5 Wed May 15 04:07:45 2024 Wed May 15 04:07:45 2024 commencing relation filtering Wed May 15 04:07:45 2024 setting target matrix density to 130.0 Wed May 15 04:07:45 2024 estimated available RAM is 515996.3 MB Wed May 15 04:07:45 2024 commencing duplicate removal, pass 1 Wed May 15 04:08:07 2024 error -1 reading relation 9967159 Wed May 15 04:08:09 2024 error -1 reading relation 10960614 Wed May 15 04:08:37 2024 error -1 reading relation 26071904 Wed May 15 04:08:49 2024 error -1 reading relation 32815107 Wed May 15 04:09:05 2024 error -1 reading relation 42532744 Wed May 15 04:10:08 2024 error -1 reading relation 77314132 Wed May 15 04:10:26 2024 error -15 reading relation 88210971 Wed May 15 04:10:50 2024 error -1 reading relation 102439256 Wed May 15 04:11:27 2024 error -1 reading relation 125178000 Wed May 15 04:11:27 2024 error -1 reading relation 125196263 Wed May 15 04:11:37 2024 error -1 reading relation 130992411 Wed May 15 04:11:45 2024 error -1 reading relation 136351031 Wed May 15 04:11:49 2024 error -1 reading relation 138326424 Wed May 15 04:11:58 2024 error -1 reading relation 144197917 Wed May 15 04:12:39 2024 error -1 reading relation 168732530 Wed May 15 04:12:41 2024 error -1 reading relation 169490269 Wed May 15 04:13:06 2024 error -1 reading relation 184604072 Wed May 15 04:13:08 2024 error -1 reading relation 185925752 Wed May 15 04:13:41 2024 error -1 reading relation 205482012 Wed May 15 04:13:41 2024 error -1 reading relation 205626197 Wed May 15 04:13:41 2024 error -1 reading relation 205657992 Wed May 15 04:14:05 2024 error -1 reading relation 220431269 Wed May 15 04:14:25 2024 error -1 reading relation 232756754 Wed May 15 04:14:44 2024 error -1 reading relation 244399455 Wed May 15 04:15:17 2024 error -1 reading relation 264762672 Wed May 15 04:16:51 2024 error -11 reading relation 323889008 Wed May 15 04:16:51 2024 error -11 reading relation 323897942 Wed May 15 04:16:51 2024 error -15 reading relation 323899195 Wed May 15 04:16:51 2024 error -11 reading relation 323911239 Wed May 15 04:16:51 2024 error -11 reading relation 323935947 Wed May 15 04:17:00 2024 error -1 reading relation 329372211 Wed May 15 04:17:02 2024 error -1 reading relation 330916936 Wed May 15 04:17:25 2024 error -1 reading relation 343867158 Wed May 15 04:17:29 2024 error -1 reading relation 346677318 Wed May 15 04:17:35 2024 error -1 reading relation 350237235 Wed May 15 04:17:37 2024 error -1 reading relation 351824780 Wed May 15 04:17:46 2024 error -1 reading relation 357454315 Wed May 15 04:17:53 2024 error -1 reading relation 361610584 Wed May 15 04:17:56 2024 error -1 reading relation 363549419 Wed May 15 04:18:08 2024 error -1 reading relation 371629321 Wed May 15 04:18:10 2024 error -1 reading relation 372881975 Wed May 15 04:18:11 2024 error -1 reading relation 373084658 Wed May 15 04:18:11 2024 error -1 reading relation 373155520 Wed May 15 04:18:16 2024 error -1 reading relation 376500219 Wed May 15 04:18:18 2024 error -6 reading relation 377762003 Wed May 15 04:18:18 2024 error -11 reading relation 377768123 Wed May 15 04:18:23 2024 error -1 reading relation 381150517 Wed May 15 04:18:24 2024 error -1 reading relation 381261983 Wed May 15 04:18:24 2024 error -1 reading relation 381294443 Wed May 15 04:18:25 2024 error -1 reading relation 382401071 Wed May 15 04:18:29 2024 error -15 reading relation 384488645 Wed May 15 04:18:29 2024 error -1 reading relation 384488646 Wed May 15 04:18:46 2024 error -15 reading relation 395406530 Wed May 15 04:18:48 2024 error -1 reading relation 396555065 Wed May 15 04:18:48 2024 error -1 reading relation 396642129 Wed May 15 04:18:54 2024 error -1 reading relation 400262669 Wed May 15 04:19:01 2024 error -1 reading relation 405190763 Wed May 15 04:19:12 2024 error -1 reading relation 411775885 Wed May 15 04:19:22 2024 error -1 reading relation 418163540 Wed May 15 04:19:23 2024 error -1 reading relation 419089369 Wed May 15 04:19:24 2024 error -1 reading relation 419852111 Wed May 15 04:19:27 2024 error -1 reading relation 421575704 Wed May 15 04:19:38 2024 skipped 2 relations with b > 2^32 Wed May 15 04:19:38 2024 skipped 2 relations with composite factors Wed May 15 04:19:38 2024 skipped 377 malformed relations Wed May 15 04:19:38 2024 found 92566463 hash collisions in 428622982 relations Wed May 15 04:20:00 2024 added 121508 free relations Wed May 15 04:20:00 2024 commencing duplicate removal, pass 2 Wed May 15 04:28:02 2024 found 97269610 duplicates and 331474880 unique relations Wed May 15 04:28:02 2024 memory use: 2643.0 MB Wed May 15 04:28:03 2024 reading ideals above 720000 Wed May 15 04:28:03 2024 commencing singleton removal, initial pass Wed May 15 04:48:06 2024 memory use: 6024.0 MB Wed May 15 04:48:06 2024 reading all ideals from disk Wed May 15 04:48:11 2024 memory use: 16228.2 MB Wed May 15 04:48:49 2024 keeping 313929892 ideals with weight <= 200, target excess is 1682912 Wed May 15 04:49:37 2024 commencing in-memory singleton removal Wed May 15 04:49:44 2024 begin with 331474880 relations and 313929892 unique ideals Wed May 15 04:50:14 2024 reduce to 197712617 relations and 165778731 ideals in 15 passes Wed May 15 04:50:14 2024 max relations containing the same ideal: 149 Wed May 15 04:51:26 2024 removing 12961598 relations and 10961598 ideals in 2000000 cliques Wed May 15 04:51:34 2024 commencing in-memory singleton removal Wed May 15 04:51:37 2024 begin with 184751019 relations and 165778731 unique ideals Wed May 15 04:51:51 2024 reduce to 184122999 relations and 154180689 ideals in 9 passes Wed May 15 04:51:51 2024 max relations containing the same ideal: 144 Wed May 15 04:52:55 2024 removing 9836398 relations and 7836398 ideals in 2000000 cliques Wed May 15 04:53:02 2024 commencing in-memory singleton removal Wed May 15 04:53:06 2024 begin with 174286601 relations and 154180689 unique ideals Wed May 15 04:53:17 2024 reduce to 173874780 relations and 145927835 ideals in 7 passes Wed May 15 04:53:17 2024 max relations containing the same ideal: 140 Wed May 15 04:54:14 2024 removing 8879118 relations and 6879118 ideals in 2000000 cliques Wed May 15 04:54:20 2024 commencing in-memory singleton removal Wed May 15 04:54:23 2024 begin with 164995662 relations and 145927835 unique ideals Wed May 15 04:54:32 2024 reduce to 164633177 relations and 138682251 ideals in 7 passes Wed May 15 04:54:32 2024 max relations containing the same ideal: 136 Wed May 15 04:55:27 2024 removing 8366794 relations and 6366794 ideals in 2000000 cliques Wed May 15 04:55:32 2024 commencing in-memory singleton removal Wed May 15 04:55:36 2024 begin with 156266383 relations and 138682251 unique ideals Wed May 15 04:55:47 2024 reduce to 155923239 relations and 131968334 ideals in 7 passes Wed May 15 04:55:47 2024 max relations containing the same ideal: 131 Wed May 15 04:56:40 2024 removing 8047946 relations and 6047946 ideals in 2000000 cliques Wed May 15 04:56:46 2024 commencing in-memory singleton removal Wed May 15 04:56:49 2024 begin with 147875293 relations and 131968334 unique ideals Wed May 15 04:57:00 2024 reduce to 147539322 relations and 125580489 ideals in 7 passes Wed May 15 04:57:00 2024 max relations containing the same ideal: 125 Wed May 15 04:57:55 2024 removing 7840427 relations and 5840427 ideals in 2000000 cliques Wed May 15 04:58:01 2024 commencing in-memory singleton removal Wed May 15 04:58:03 2024 begin with 139698895 relations and 125580489 unique ideals Wed May 15 04:58:13 2024 reduce to 139361987 relations and 119399099 ideals in 7 passes Wed May 15 04:58:13 2024 max relations containing the same ideal: 120 Wed May 15 04:59:05 2024 removing 7699813 relations and 5699813 ideals in 2000000 cliques Wed May 15 04:59:10 2024 commencing in-memory singleton removal Wed May 15 04:59:13 2024 begin with 131662174 relations and 119399099 unique ideals Wed May 15 04:59:21 2024 reduce to 131320151 relations and 113352978 ideals in 7 passes Wed May 15 04:59:21 2024 max relations containing the same ideal: 118 Wed May 15 05:00:11 2024 removing 7607594 relations and 5607594 ideals in 2000000 cliques Wed May 15 05:00:16 2024 commencing in-memory singleton removal Wed May 15 05:00:18 2024 begin with 123712557 relations and 113352978 unique ideals Wed May 15 05:00:27 2024 reduce to 123358132 relations and 107386210 ideals in 7 passes Wed May 15 05:00:27 2024 max relations containing the same ideal: 112 Wed May 15 05:01:19 2024 removing 7555287 relations and 5555287 ideals in 2000000 cliques Wed May 15 05:01:23 2024 commencing in-memory singleton removal Wed May 15 05:01:25 2024 begin with 115802845 relations and 107386210 unique ideals Wed May 15 05:01:34 2024 reduce to 115430703 relations and 101453461 ideals in 8 passes Wed May 15 05:01:34 2024 max relations containing the same ideal: 106 Wed May 15 05:02:17 2024 removing 7544483 relations and 5544483 ideals in 2000000 cliques Wed May 15 05:02:21 2024 commencing in-memory singleton removal Wed May 15 05:02:23 2024 begin with 107886220 relations and 101453461 unique ideals Wed May 15 05:02:30 2024 reduce to 107490766 relations and 95507488 ideals in 7 passes Wed May 15 05:02:30 2024 max relations containing the same ideal: 101 Wed May 15 05:03:10 2024 removing 7556535 relations and 5556535 ideals in 2000000 cliques Wed May 15 05:03:14 2024 commencing in-memory singleton removal Wed May 15 05:03:16 2024 begin with 99934231 relations and 95507488 unique ideals Wed May 15 05:03:23 2024 reduce to 99506923 relations and 89516838 ideals in 8 passes Wed May 15 05:03:23 2024 max relations containing the same ideal: 99 Wed May 15 05:04:08 2024 removing 7604689 relations and 5604689 ideals in 2000000 cliques Wed May 15 05:04:12 2024 commencing in-memory singleton removal Wed May 15 05:04:14 2024 begin with 91902234 relations and 89516838 unique ideals Wed May 15 05:04:19 2024 reduce to 91431281 relations and 83433074 ideals in 7 passes Wed May 15 05:04:19 2024 max relations containing the same ideal: 94 Wed May 15 05:04:56 2024 removing 7680956 relations and 5680956 ideals in 2000000 cliques Wed May 15 05:04:59 2024 commencing in-memory singleton removal Wed May 15 05:05:01 2024 begin with 83750325 relations and 83433074 unique ideals Wed May 15 05:05:07 2024 reduce to 83223179 relations and 77215192 ideals in 8 passes Wed May 15 05:05:07 2024 max relations containing the same ideal: 87 Wed May 15 05:05:41 2024 removing 7799154 relations and 5799154 ideals in 2000000 cliques Wed May 15 05:05:45 2024 commencing in-memory singleton removal Wed May 15 05:05:46 2024 begin with 75424025 relations and 77215192 unique ideals Wed May 15 05:05:51 2024 reduce to 74816676 relations and 70796247 ideals in 8 passes Wed May 15 05:05:51 2024 max relations containing the same ideal: 82 Wed May 15 05:06:22 2024 removing 7965231 relations and 5965231 ideals in 2000000 cliques Wed May 15 05:06:25 2024 commencing in-memory singleton removal Wed May 15 05:06:26 2024 begin with 66851445 relations and 70796247 unique ideals Wed May 15 05:06:31 2024 reduce to 66129373 relations and 64092489 ideals in 9 passes Wed May 15 05:06:31 2024 max relations containing the same ideal: 75 Wed May 15 05:06:58 2024 removing 614045 relations and 529339 ideals in 84706 cliques Wed May 15 05:07:00 2024 commencing in-memory singleton removal Wed May 15 05:07:01 2024 begin with 65515328 relations and 64092489 unique ideals Wed May 15 05:07:05 2024 reduce to 65511481 relations and 63559300 ideals in 6 passes Wed May 15 05:07:05 2024 max relations containing the same ideal: 73 Wed May 15 05:07:12 2024 relations with 0 large ideals: 5657 Wed May 15 05:07:12 2024 relations with 1 large ideals: 37355 Wed May 15 05:07:12 2024 relations with 2 large ideals: 497115 Wed May 15 05:07:12 2024 relations with 3 large ideals: 2842221 Wed May 15 05:07:12 2024 relations with 4 large ideals: 8743683 Wed May 15 05:07:12 2024 relations with 5 large ideals: 15904311 Wed May 15 05:07:12 2024 relations with 6 large ideals: 17950001 Wed May 15 05:07:12 2024 relations with 7+ large ideals: 19531138 Wed May 15 05:07:12 2024 commencing 2-way merge Wed May 15 05:07:51 2024 reduce to 40684518 relation sets and 38732337 unique ideals Wed May 15 05:07:51 2024 commencing full merge Wed May 15 05:25:51 2024 memory use: 4681.4 MB Wed May 15 05:25:56 2024 found 17489875 cycles, need 17414537 Wed May 15 05:26:04 2024 weight of 17414537 cycles is about 2264303954 (130.02/cycle) Wed May 15 05:26:04 2024 distribution of cycle lengths: Wed May 15 05:26:04 2024 1 relations: 1194834 Wed May 15 05:26:04 2024 2 relations: 1131480 Wed May 15 05:26:04 2024 3 relations: 1163132 Wed May 15 05:26:04 2024 4 relations: 1146980 Wed May 15 05:26:04 2024 5 relations: 1156224 Wed May 15 05:26:04 2024 6 relations: 1136655 Wed May 15 05:26:04 2024 7 relations: 1130624 Wed May 15 05:26:04 2024 8 relations: 1078164 Wed May 15 05:26:04 2024 9 relations: 1033572 Wed May 15 05:26:04 2024 10+ relations: 7242872 Wed May 15 05:26:04 2024 heaviest cycle: 28 relations Wed May 15 05:26:09 2024 commencing cycle optimization Wed May 15 05:26:55 2024 start with 157320084 relations Wed May 15 05:33:34 2024 pruned 6897615 relations Wed May 15 05:33:35 2024 memory use: 4272.4 MB Wed May 15 05:33:35 2024 distribution of cycle lengths: Wed May 15 05:33:35 2024 1 relations: 1194834 Wed May 15 05:33:35 2024 2 relations: 1161625 Wed May 15 05:33:35 2024 3 relations: 1210689 Wed May 15 05:33:35 2024 4 relations: 1191919 Wed May 15 05:33:35 2024 5 relations: 1210421 Wed May 15 05:33:35 2024 6 relations: 1188306 Wed May 15 05:33:35 2024 7 relations: 1185744 Wed May 15 05:33:35 2024 8 relations: 1128493 Wed May 15 05:33:35 2024 9 relations: 1080851 Wed May 15 05:33:35 2024 10+ relations: 6861655 Wed May 15 05:33:35 2024 heaviest cycle: 28 relations Wed May 15 05:34:08 2024 RelProcTime: 5183 Wed May 15 05:34:08 2024 elapsed time 01:26:25 Wed May 15 08:50:20 2024 Wed May 15 08:50:20 2024 Wed May 15 08:50:20 2024 Msieve v. 1.54 (SVN Unversioned directory) Wed May 15 08:50:20 2024 random seeds: 5519db0f 88914ee1 Wed May 15 08:50:20 2024 Using 64 OpenMP threads Wed May 15 08:50:20 2024 factoring 3346964487288498739220483066982505151046919246785518813373017187531251398699007151423868818686267693972803068153430823482490899842792804472790529754313146845989344370095990553936983 (181 digits) Wed May 15 08:50:21 2024 searching for 15-digit factors Wed May 15 08:50:22 2024 commencing number field sieve (181-digit input) Wed May 15 08:50:22 2024 R0: -73175018247347936396419020380611636 Wed May 15 08:50:22 2024 R1: 10021821799478701087 Wed May 15 08:50:22 2024 A0: -34743549903395155590689008949320668955468155 Wed May 15 08:50:22 2024 A1: 8333280384030102794114119566735150959 Wed May 15 08:50:22 2024 A2: 784199735589687550423703209785 Wed May 15 08:50:22 2024 A3: -8429479832909497037679 Wed May 15 08:50:22 2024 A4: -353286773891950 Wed May 15 08:50:22 2024 A5: 1595280 Wed May 15 08:50:22 2024 skew 46388778.74, size 1.036e-17, alpha -7.629, combined = 7.226e-14 rroots = 5 Wed May 15 08:50:22 2024 Wed May 15 08:50:22 2024 commencing linear algebra Wed May 15 08:50:22 2024 using VBITS=256 Wed May 15 08:50:26 2024 read 17414537 cycles Wed May 15 08:51:20 2024 cycles contain 64317138 unique relations Wed May 15 08:58:20 2024 read 64317138 relations Wed May 15 08:58:27 2024 using 20 quadratic characters above 4294917295 Wed May 15 08:58:35 2024 building initial matrix Wed May 15 09:12:13 2024 memory use: 8785.8 MB Wed May 15 09:12:23 2024 read 17414537 cycles Wed May 15 09:12:26 2024 matrix is 17414359 x 17414537 (8759.0 MB) with weight 2641157704 (151.66/col) Wed May 15 09:12:26 2024 sparse part has weight 2104551879 (120.85/col) Wed May 15 09:16:06 2024 filtering completed in 2 passes Wed May 15 09:16:09 2024 matrix is 17413634 x 17413810 (8758.9 MB) with weight 2641122749 (151.67/col) Wed May 15 09:16:09 2024 sparse part has weight 2104541205 (120.85/col) Wed May 15 09:17:08 2024 matrix starts at (0, 0) Wed May 15 09:17:10 2024 matrix is 17413634 x 17413810 (8758.9 MB) with weight 2641122749 (151.67/col) Wed May 15 09:17:10 2024 sparse part has weight 2104541205 (120.85/col) Wed May 15 09:17:10 2024 saving the first 240 matrix rows for later Wed May 15 09:17:13 2024 matrix includes 256 packed rows Wed May 15 09:17:19 2024 matrix is 17413394 x 17413810 (7984.7 MB) with weight 1926377485 (110.62/col) Wed May 15 09:17:19 2024 sparse part has weight 1814508889 (104.20/col) Wed May 15 09:17:19 2024 using block size 8192 and superblock size 1032192 for processor cache size 43008 kB Wed May 15 09:17:56 2024 commencing Lanczos iteration (64 threads) Wed May 15 09:17:56 2024 memory use: 10776.5 MB Wed May 15 09:33:57 2024 Wed May 15 09:33:57 2024 Wed May 15 09:33:57 2024 Msieve v. 1.54 (SVN Unversioned directory) Wed May 15 09:33:57 2024 random seeds: 7da8dd5d 6f46d4ce Wed May 15 09:33:57 2024 Using 64 OpenMP threads Wed May 15 09:33:57 2024 factoring 3346964487288498739220483066982505151046919246785518813373017187531251398699007151423868818686267693972803068153430823482490899842792804472790529754313146845989344370095990553936983 (181 digits) Wed May 15 09:33:57 2024 searching for 15-digit factors Wed May 15 09:33:58 2024 commencing number field sieve (181-digit input) Wed May 15 09:33:58 2024 R0: -73175018247347936396419020380611636 Wed May 15 09:33:58 2024 R1: 10021821799478701087 Wed May 15 09:33:58 2024 A0: -34743549903395155590689008949320668955468155 Wed May 15 09:33:58 2024 A1: 8333280384030102794114119566735150959 Wed May 15 09:33:58 2024 A2: 784199735589687550423703209785 Wed May 15 09:33:58 2024 A3: -8429479832909497037679 Wed May 15 09:33:58 2024 A4: -353286773891950 Wed May 15 09:33:58 2024 A5: 1595280 Wed May 15 09:33:58 2024 skew 46388778.74, size 1.036e-17, alpha -7.629, combined = 7.226e-14 rroots = 5 Wed May 15 09:33:58 2024 Wed May 15 09:33:58 2024 commencing linear algebra Wed May 15 09:33:58 2024 using VBITS=256 Wed May 15 09:33:58 2024 skipping matrix build Wed May 15 09:34:02 2024 matrix starts at (0, 0) Wed May 15 09:34:05 2024 matrix is 17413634 x 17413810 (8758.9 MB) with weight 2641122749 (151.67/col) Wed May 15 09:34:05 2024 sparse part has weight 2104541205 (120.85/col) Wed May 15 09:34:05 2024 saving the first 240 matrix rows for later Wed May 15 09:34:08 2024 matrix includes 256 packed rows Wed May 15 09:34:14 2024 matrix is 17413394 x 17413810 (7984.7 MB) with weight 1926377485 (110.62/col) Wed May 15 09:34:14 2024 sparse part has weight 1814508889 (104.20/col) Wed May 15 09:34:14 2024 using block size 8192 and superblock size 1032192 for processor cache size 43008 kB Wed May 15 09:34:53 2024 commencing Lanczos iteration (64 threads) Wed May 15 09:34:53 2024 memory use: 10776.5 MB Wed May 15 09:37:52 2024 linear algebra at 0.2%, ETA 27h35m Wed May 15 09:42:13 2024 checking every 10000 dimensions, checkpointing every 640000 dimensions Thu May 16 13:26:52 2024 lanczos halted after 68227 iterations (dim = 17413390) Thu May 16 13:28:21 2024 recovered 25 nontrivial dependencies Thu May 16 13:28:23 2024 BLanczosTime: 100465 Thu May 16 13:28:23 2024 Thu May 16 13:28:23 2024 commencing square root phase Thu May 16 13:28:23 2024 handling dependencies 1 to 64 Thu May 16 13:28:23 2024 reading relations for dependency 1 Thu May 16 13:28:24 2024 read 8706814 cycles Thu May 16 13:28:39 2024 cycles contain 32158286 unique relations Thu May 16 13:34:21 2024 read 32158286 relations Thu May 16 13:36:19 2024 multiplying 32158286 relations Thu May 16 14:02:41 2024 multiply complete, coefficients have about 1951.59 million bits Thu May 16 14:02:47 2024 initial square root is modulo 567892111 Thu May 16 14:22:31 2024 sqrtTime: 3248 Thu May 16 14:22:31 2024 p78 factor: 117250274979758818724704528058434241416714633081044780742988925088545149101733 Thu May 16 14:22:31 2024 p104 factor: 28545472391141878519931214835093427449333562851192709284267715694321174377620300531356494677704900594251 Thu May 16 14:22:31 2024 elapsed time 28:48:34