Solver Name | Answer | Objective function | CPU time | Wall clock time |
---|---|---|---|---|
PBS4_v2 2007-03-23 | OPT | 3 | 84.2162 | 84.2389 |
Name | normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/ factor-mod-B/factor-mod-size=9-P0=149-P1=191-P2=199-B.opb |
MD5SUM | 2b352a53cf64b38d9bda6afbed4525e8 |
Bench Category | OPT-SMALLINT-NLC (optimisation, small integers, non linear constraints) |
Best result obtained on this benchmark | OPT |
Best value of the objective obtained on this benchmark | 3 |
Best CPU time to get the best result obtained on this benchmark | 0.064989 |
Has Objective Function | YES |
Satisfiable | YES |
(Un)Satisfiability was proved | YES |
Best value of the objective function | 3 |
Optimality of the best value was proved | YES |
Number of variables | 54 |
Total number of constraints | 5 |
Number of constraints which are clauses | 0 |
Number of constraints which are cardinality constraints (but not clauses) | 0 |
Number of constraints which are nor clauses,nor cardinality constraints | 5 |
Minimum length of a constraint | 9 |
Maximum length of a constraint | 99 |
Number of terms in the objective function | 9 |
Biggest coefficient in the objective function | 256 |
Number of bits for the biggest coefficient in the objective function | 9 |
Sum of the numbers in the objective function | 511 |
Number of bits of the sum of numbers in the objective function | 9 |
Biggest number in a constraint | 131072 |
Number of bits of the biggest number in a constraint | 18 |
Biggest sum of numbers in a constraint | 523264 |
Number of bits of the biggest sum of numbers | 19 |
Number of products (including duplicates) | 162 |
Sum of products size (including duplicates) | 324 |
Number of different products | 162 |
Sum of products size | 324 |
0.00/0.00 c PBS v4 by Bashar Al-Rawi & Fadi Aloul 0.00/0.00 c Solving /tmp/evaluation/459569-1178656276/instance-459569-1178656276.opb ...... 0.29/0.34 c done parsing opb. 0.29/0.34 o 335 0.49/0.58 o 191 1.10/1.13 o 95 1.29/1.36 o 73 1.49/1.58 o 39 1.59/1.68 o 33 1.79/1.83 o 23 1.99/2.07 o 19 2.09/2.16 o 9 2.09/2.18 o 7 2.29/2.33 o 5 2.29/2.38 o 3 84.17/84.23 o 3 84.17/84.23 s OPTIMUM FOUND 84.17/84.23 c Total Run Time 84.2062 84.17/84.23 v x1 x10 x100 x101 -x102 -x103 -x104 -x105 -x106 -x107 -x108 -x109 -x11 -x110 -x111 -x112 -x113 -x114 -x115 -x116 -x117 -x118 84.17/84.23 v -x119 -x12 -x120 -x121 -x122 -x123 -x124 -x125 -x126 x127 x128 -x129 -x13 -x130 -x131 -x132 -x133 -x134 -x135 x136 x137 -x138 84.17/84.23 v -x139 x14 x140 -x141 -x142 x143 x144 x145 x146 -x147 -x148 x149 x15 -x150 -x151 x152 x153 x154 x155 -x156 -x157 x158 -x159 -x16 84.17/84.23 v -x160 x161 x162 x163 x164 -x165 -x166 x167 -x168 -x169 -x17 x170 x171 x172 x173 -x174 -x175 x176 -x177 -x178 x179 x18 x180 x181 84.17/84.23 v x182 -x183 -x184 x185 -x186 -x187 x188 x189 x19 x190 x191 -x192 -x193 x194 -x195 -x196 x197 x198 x199 x2 x20 x200 -x201 -x202 84.17/84.23 v x203 -x204 -x205 x206 x207 x208 x209 x21 -x210 -x211 x212 -x213 -x214 x215 x216 x22 x23 x24 x25 x26 x27 x28 x29 -x3 -x30 -x31 x32 84.17/84.23 v -x33 -x34 x35 x36 x37 -x38 -x39 -x4 -x40 -x41 -x42 -x43 -x44 -x45 -x46 x47 -x48 -x49 -x5 x50 -x51 -x52 x53 x54 x55 x56 -x57 -x58 84.17/84.23 v -x59 -x6 -x60 -x61 -x62 -x63 -x64 -x65 -x66 -x67 -x68 -x69 -x7 -x70 -x71 -x72 -x73 -x74 -x75 -x76 -x77 -x78 -x79 -x8 -x80 -x81 84.17/84.23 v -x82 -x83 -x84 -x85 -x86 -x87 -x88 -x89 -x9 -x90 x91 x92 -x93 -x94 -x95 -x96 -x97 -x98 -x99
OK 3
Linearizing /tmp/evaluation/459569-1178656276/instance-459569-1178656276.opb
runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr command line: runsolver --timestamp -w ROOT/results/node60/watcher-459569-1178656276 -o ROOT/results/node60/solver-459569-1178656276 -C 1800 -W 3600 -M 1800 --output-limit 1,15 PBS4_SAT07v2 /tmp/evaluation/459569-1178656276/instance-459569-1178656276.opb Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 3600 seconds Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved Current StackSize limit: 10240 KiB [startup+0 s] /proc/loadavg: 1.11 1.04 1.00 3/64 16287 /proc/meminfo: memFree=1888632/2055920 swapFree=4183392/4192956 [pid=16287] ppid=16285 vsize=1320 CPUtime=0 /proc/16287/stat : 16287 (PBS4_SAT07v2) R 16285 16287 15386 0 -1 4194304 146 0 0 0 0 0 0 0 18 0 1 0 313537632 1351680 128 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/16287/statm: 330 129 89 219 0 107 0 [startup+0.0391701 s] /proc/loadavg: 1.11 1.04 1.00 3/64 16287 /proc/meminfo: memFree=1888632/2055920 swapFree=4183392/4192956 [pid=16287] ppid=16285 vsize=1728 CPUtime=0.03 /proc/16287/stat : 16287 (PBS4_SAT07v2) R 16285 16287 15386 0 -1 4194304 231 0 0 0 3 0 0 0 18 0 1 0 313537632 1769472 213 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134588758 0 0 4096 16384 0 0 0 17 1 0 0 /proc/16287/statm: 432 213 90 219 0 209 0 Current children cumulated CPU time (s) 0.03 Current children cumulated vsize (KiB) 1728 [startup+0.10117 s] /proc/loadavg: 1.11 1.04 1.00 3/64 16287 /proc/meminfo: memFree=1888632/2055920 swapFree=4183392/4192956 [pid=16287] ppid=16285 vsize=2240 CPUtime=0.09 /proc/16287/stat : 16287 (PBS4_SAT07v2) R 16285 16287 15386 0 -1 4194304 319 0 0 0 9 0 0 0 18 0 1 0 313537632 2293760 301 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134548488 0 0 4096 16384 0 0 0 17 1 0 0 /proc/16287/statm: 560 301 90 219 0 337 0 Current children cumulated CPU time (s) 0.09 Current children cumulated vsize (KiB) 2240 [startup+0.30119 s] /proc/loadavg: 1.11 1.04 1.00 3/64 16287 /proc/meminfo: memFree=1888632/2055920 swapFree=4183392/4192956 [pid=16287] ppid=16285 vsize=3456 CPUtime=0.29 /proc/16287/stat : 16287 (PBS4_SAT07v2) R 16285 16287 15386 0 -1 4194304 605 0 0 0 29 0 0 0 19 0 1 0 313537632 3538944 587 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134548494 0 0 4096 16384 0 0 0 17 1 0 0 /proc/16287/statm: 864 587 90 219 0 641 0 Current children cumulated CPU time (s) 0.29 Current children cumulated vsize (KiB) 3456 [startup+0.701229 s] /proc/loadavg: 1.11 1.04 1.00 3/64 16287 /proc/meminfo: memFree=1888632/2055920 swapFree=4183392/4192956 [pid=16287] ppid=16285 vsize=5700 CPUtime=0.69 /proc/16287/stat : 16287 (PBS4_SAT07v2) R 16285 16287 15386 0 -1 4194304 1140 0 0 0 68 1 0 0 22 0 1 0 313537632 5836800 1122 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/16287/statm: 1425 1122 102 219 0 1202 0 Current children cumulated CPU time (s) 0.69 Current children cumulated vsize (KiB) 5700 [startup+1.50131 s] /proc/loadavg: 1.11 1.04 1.00 2/65 16288 /proc/meminfo: memFree=1883056/2055920 swapFree=4183392/4192956 [pid=16287] ppid=16285 vsize=10656 CPUtime=1.49 /proc/16287/stat : 16287 (PBS4_SAT07v2) R 16285 16287 15386 0 -1 4194304 2042 0 0 0 147 2 0 0 25 0 1 0 313537632 10911744 1975 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134550319 0 0 4096 16384 0 0 0 17 1 0 0 /proc/16287/statm: 2664 1975 102 219 0 2441 0 Current children cumulated CPU time (s) 1.49 Current children cumulated vsize (KiB) 10656 [startup+3.10146 s] /proc/loadavg: 1.10 1.04 1.00 2/65 16288 /proc/meminfo: memFree=1879600/2055920 swapFree=4183392/4192956 [pid=16287] ppid=16285 vsize=11436 CPUtime=3.09 /proc/16287/stat : 16287 (PBS4_SAT07v2) R 16285 16287 15386 0 -1 4194304 2547 0 0 0 306 3 0 0 25 0 1 0 313537632 11710464 2383 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/16287/statm: 2859 2383 102 219 0 2636 0 Current children cumulated CPU time (s) 3.09 Current children cumulated vsize (KiB) 11436 [startup+6.30178 s] /proc/loadavg: 1.10 1.04 1.00 2/65 16288 /proc/meminfo: memFree=1878720/2055920 swapFree=4183392/4192956 [pid=16287] ppid=16285 vsize=11856 CPUtime=6.29 /proc/16287/stat : 16287 (PBS4_SAT07v2) R 16285 16287 15386 0 -1 4194304 2699 0 0 0 624 5 0 0 25 0 1 0 313537632 12140544 2535 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/16287/statm: 2964 2535 102 219 0 2741 0 Current children cumulated CPU time (s) 6.29 Current children cumulated vsize (KiB) 11856 [startup+12.7014 s] /proc/loadavg: 1.09 1.04 1.00 2/65 16288 /proc/meminfo: memFree=1875464/2055920 swapFree=4183392/4192956 [pid=16287] ppid=16285 vsize=21528 CPUtime=12.69 /proc/16287/stat : 16287 (PBS4_SAT07v2) R 16285 16287 15386 0 -1 4194304 3711 0 0 0 1261 8 0 0 25 0 1 0 313537632 22044672 3354 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/16287/statm: 5382 3354 102 219 0 5159 0 Current children cumulated CPU time (s) 12.69 Current children cumulated vsize (KiB) 21528 [startup+25.5027 s] /proc/loadavg: 1.07 1.03 1.00 2/65 16288 /proc/meminfo: memFree=1871304/2055920 swapFree=4183392/4192956 [pid=16287] ppid=16285 vsize=22540 CPUtime=25.49 /proc/16287/stat : 16287 (PBS4_SAT07v2) R 16285 16287 15386 0 -1 4194304 4756 0 0 0 2537 12 0 0 25 0 1 0 313537632 23080960 4399 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134550311 0 0 4096 16384 0 0 0 17 1 0 0 /proc/16287/statm: 5635 4399 102 219 0 5412 0 Current children cumulated CPU time (s) 25.49 Current children cumulated vsize (KiB) 22540 [startup+51.1022 s] /proc/loadavg: 1.05 1.03 1.00 2/65 16288 /proc/meminfo: memFree=1866248/2055920 swapFree=4183392/4192956 [pid=16287] ppid=16285 vsize=25600 CPUtime=51.08 /proc/16287/stat : 16287 (PBS4_SAT07v2) R 16285 16287 15386 0 -1 4194304 6399 0 0 0 5090 18 0 0 25 0 1 0 313537632 26214400 5657 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/16287/statm: 6400 5657 102 219 0 6177 0 Current children cumulated CPU time (s) 51.08 Current children cumulated vsize (KiB) 25600 Solver just ended. Dumping a history of the last processes samples [startup+63.9014 s] /proc/loadavg: 1.04 1.03 1.00 2/65 16288 /proc/meminfo: memFree=1865544/2055920 swapFree=4183392/4192956 [pid=16287] ppid=16285 vsize=25980 CPUtime=63.88 /proc/16287/stat : 16287 (PBS4_SAT07v2) R 16285 16287 15386 0 -1 4194304 6573 0 0 0 6367 21 0 0 25 0 1 0 313537632 26603520 5831 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134550311 0 0 4096 16384 0 0 0 17 1 0 0 /proc/16287/statm: 6495 5831 102 219 0 6272 0 Current children cumulated CPU time (s) 63.88 Current children cumulated vsize (KiB) 25980 [startup+76.7027 s] /proc/loadavg: 1.03 1.03 1.00 2/65 16288 /proc/meminfo: memFree=1864968/2055920 swapFree=4183392/4192956 [pid=16287] ppid=16285 vsize=26456 CPUtime=76.67 /proc/16287/stat : 16287 (PBS4_SAT07v2) R 16285 16287 15386 0 -1 4194304 6763 0 0 0 7643 24 0 0 25 0 1 0 313537632 27090944 6021 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/16287/statm: 6614 6021 102 219 0 6391 0 Current children cumulated CPU time (s) 76.67 Current children cumulated vsize (KiB) 26456 [startup+79.902 s] /proc/loadavg: 1.03 1.03 1.00 2/65 16288 /proc/meminfo: memFree=1864648/2055920 swapFree=4183392/4192956 [pid=16287] ppid=16285 vsize=26456 CPUtime=79.87 /proc/16287/stat : 16287 (PBS4_SAT07v2) R 16285 16287 15386 0 -1 4194304 6809 0 0 0 7963 24 0 0 25 0 1 0 313537632 27090944 6067 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134550311 0 0 4096 16384 0 0 0 17 1 0 0 /proc/16287/statm: 6614 6067 102 219 0 6391 0 Current children cumulated CPU time (s) 79.87 Current children cumulated vsize (KiB) 26456 [startup+81.5012 s] /proc/loadavg: 1.02 1.03 1.00 2/65 16288 /proc/meminfo: memFree=1864520/2055920 swapFree=4183392/4192956 [pid=16287] ppid=16285 vsize=26456 CPUtime=81.47 /proc/16287/stat : 16287 (PBS4_SAT07v2) R 16285 16287 15386 0 -1 4194304 6821 0 0 0 8122 25 0 0 25 0 1 0 313537632 27090944 6079 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/16287/statm: 6614 6079 102 219 0 6391 0 Current children cumulated CPU time (s) 81.47 Current children cumulated vsize (KiB) 26456 [startup+83.1013 s] /proc/loadavg: 1.02 1.03 1.00 2/65 16288 /proc/meminfo: memFree=1864456/2055920 swapFree=4183392/4192956 [pid=16287] ppid=16285 vsize=26456 CPUtime=83.07 /proc/16287/stat : 16287 (PBS4_SAT07v2) R 16285 16287 15386 0 -1 4194304 6831 0 0 0 8282 25 0 0 25 0 1 0 313537632 27090944 6089 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134549401 0 0 4096 16384 0 0 0 17 1 0 0 /proc/16287/statm: 6614 6089 102 219 0 6391 0 Current children cumulated CPU time (s) 83.07 Current children cumulated vsize (KiB) 26456 [startup+83.9014 s] /proc/loadavg: 1.02 1.03 1.00 2/65 16288 /proc/meminfo: memFree=1864456/2055920 swapFree=4183392/4192956 [pid=16287] ppid=16285 vsize=26456 CPUtime=83.87 /proc/16287/stat : 16287 (PBS4_SAT07v2) R 16285 16287 15386 0 -1 4194304 6836 0 0 0 8362 25 0 0 25 0 1 0 313537632 27090944 6094 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/16287/statm: 6614 6094 102 219 0 6391 0 Current children cumulated CPU time (s) 83.87 Current children cumulated vsize (KiB) 26456 [startup+84.1014 s] /proc/loadavg: 1.02 1.03 1.00 2/65 16288 /proc/meminfo: memFree=1864456/2055920 swapFree=4183392/4192956 [pid=16287] ppid=16285 vsize=26456 CPUtime=84.07 /proc/16287/stat : 16287 (PBS4_SAT07v2) R 16285 16287 15386 0 -1 4194304 6838 0 0 0 8382 25 0 0 25 0 1 0 313537632 27090944 6096 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134550302 0 0 4096 16384 0 0 0 17 1 0 0 /proc/16287/statm: 6614 6096 102 219 0 6391 0 Current children cumulated CPU time (s) 84.07 Current children cumulated vsize (KiB) 26456 [startup+84.2014 s] /proc/loadavg: 1.02 1.03 1.00 2/65 16288 /proc/meminfo: memFree=1864456/2055920 swapFree=4183392/4192956 [pid=16287] ppid=16285 vsize=26456 CPUtime=84.17 /proc/16287/stat : 16287 (PBS4_SAT07v2) R 16285 16287 15386 0 -1 4194304 6838 0 0 0 8392 25 0 0 25 0 1 0 313537632 27090944 6096 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/16287/statm: 6614 6096 102 219 0 6391 0 Current children cumulated CPU time (s) 84.17 Current children cumulated vsize (KiB) 26456 Child status: 0 Real time (s): 84.2389 CPU time (s): 84.2162 CPU user time (s): 83.9522 CPU system time (s): 0.263959 CPU usage (%): 99.9731 Max. virtual memory (cumulated for all children) (KiB): 26456 getrusage(RUSAGE_CHILDREN,...) data: user time used= 83.9522 system time used= 0.263959 maximum resident set size= 0 integral shared memory size= 0 integral unshared data size= 0 integral unshared stack size= 0 page reclaims= 6846 page faults= 0 swaps= 0 block input operations= 0 block output operations= 0 messages sent= 0 messages received= 0 signals received= 0 voluntary context switches= 7 involuntary context switches= 105 runsolver used 0.053991 second user time and 0.182972 second system time The end
Begin job on node60 on Tue May 8 20:31:17 UTC 2007 IDJOB= 459569 IDBENCH= 48030 IDSOLVER= 200 FILE ID= node60/459569-1178656276 PBS_JOBID= 5218396 Free space on /tmp= 66562 MiB SOLVER NAME= PBS4_v2 2007-03-23 BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/factor-mod-B/factor-mod-size=9-P0=149-P1=191-P2=199-B.opb COMMAND LINE= PBS4_SAT07v2 /tmp/evaluation/459569-1178656276/instance-459569-1178656276.opb CONVERSION COMMAND LINE= runsolver -w ROOT/results/node60/convwatcher-459569-1178656276 -o ROOT/results/node60/conversion-459569-1178656276 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/459569-1178656276/instance-459569-1178656276.opb CONVERSION RUNSOLVER STATUS CODE= 0 CONVERSION STATUS CODE= 0 RUNSOLVER COMMAND LINE= runsolver --timestamp -w ROOT/results/node60/watcher-459569-1178656276 -o ROOT/results/node60/solver-459569-1178656276 -C 1800 -W 3600 -M 1800 --output-limit 1,15 PBS4_SAT07v2 /tmp/evaluation/459569-1178656276/instance-459569-1178656276.opb META MD5SUM SOLVER= 18cd8c68a4d3bfb01f29079966475a33 MD5SUM BENCH= 2b352a53cf64b38d9bda6afbed4525e8 RANDOM SEED= 450398384 TIME LIMIT= 1800 seconds MEMORY LIMIT= 1800 MiB Linux node60.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux /proc/cpuinfo: processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel(R) Xeon(TM) CPU 3.00GHz stepping : 3 cpu MHz : 3000.214 cache size : 2048 KB fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr bogomips : 5914.62 clflush size : 64 cache_alignment : 128 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel(R) Xeon(TM) CPU 3.00GHz stepping : 3 cpu MHz : 3000.214 cache size : 2048 KB fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr bogomips : 5586.94 clflush size : 64 cache_alignment : 128 address sizes : 36 bits physical, 48 bits virtual power management: /proc/meminfo: MemTotal: 2055920 kB MemFree: 1889040 kB Buffers: 13204 kB Cached: 60868 kB SwapCached: 3516 kB Active: 28072 kB Inactive: 55700 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 2055920 kB LowFree: 1889040 kB SwapTotal: 4192956 kB SwapFree: 4183392 kB Dirty: 2400 kB Writeback: 0 kB Mapped: 15892 kB Slab: 69172 kB Committed_AS: 5303884 kB PageTables: 1464 kB VmallocTotal: 536870911 kB VmallocUsed: 264952 kB VmallocChunk: 536605679 kB HugePages_Total: 0 HugePages_Free: 0 Hugepagesize: 2048 kB Free space on /tmp at the end= 66562 MiB End job on node60 on Tue May 8 20:32:41 UTC 2007