Solver Name | Answer | Objective function | CPU time | Wall clock time |
---|---|---|---|---|
PBS4_v2 2007-03-23 | OPT | 5 | 142.626 | 142.683 |
Name | normalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/ logic_synthesis/normalized-m100_50_20_20.r.opb |
MD5SUM | a0250fc6809d30108f7d11f1d27eb358 |
Bench Category | OPT-SMALLINT (optimisation, small integers) |
Best result obtained on this benchmark | OPT |
Best value of the objective obtained on this benchmark | 5 |
Best CPU time to get the best result obtained on this benchmark | 0.858868 |
Has Objective Function | YES |
Satisfiable | YES |
(Un)Satisfiability was proved | YES |
Best value of the objective function | 5 |
Optimality of the best value was proved | YES |
Number of variables | 50 |
Total number of constraints | 100 |
Number of constraints which are clauses | 100 |
Number of constraints which are cardinality constraints (but not clauses) | 0 |
Number of constraints which are nor clauses,nor cardinality constraints | 0 |
Minimum length of a constraint | 20 |
Maximum length of a constraint | 20 |
Number of terms in the objective function | 50 |
Biggest coefficient in the objective function | 1 |
Number of bits for the biggest coefficient in the objective function | 1 |
Sum of the numbers in the objective function | 50 |
Number of bits of the sum of numbers in the objective function | 6 |
Biggest number in a constraint | 1 |
Number of bits of the biggest number in a constraint | 1 |
Biggest sum of numbers in a constraint | 50 |
Number of bits of the biggest sum of numbers | 6 |
Number of products (including duplicates) | 0 |
Sum of products size (including duplicates) | 0 |
Number of different products | 0 |
Sum of products size | 0 |
0.00/0.00 c PBS v4 by Bashar Al-Rawi & Fadi Aloul 0.00/0.00 c Solving /tmp/evaluation/459099-1178648689/instance-459099-1178648689.opb ...... 0.00/0.00 c done parsing opb. 0.00/0.00 o 50 0.00/0.00 o 49 0.00/0.00 o 48 0.00/0.00 o 47 0.00/0.00 o 46 0.00/0.00 o 45 0.00/0.00 o 44 0.00/0.00 o 43 0.00/0.00 o 42 0.00/0.00 o 41 0.00/0.00 o 40 0.00/0.00 o 39 0.00/0.00 o 38 0.00/0.00 o 37 0.00/0.00 o 36 0.00/0.00 o 35 0.00/0.00 o 34 0.00/0.00 o 33 0.00/0.00 o 32 0.00/0.00 o 31 0.00/0.00 o 30 0.00/0.00 o 29 0.00/0.00 o 28 0.00/0.00 o 27 0.00/0.00 o 26 0.00/0.00 o 25 0.00/0.00 o 24 0.00/0.00 o 23 0.00/0.00 o 22 0.00/0.00 o 21 0.00/0.00 o 20 0.00/0.00 o 19 0.00/0.00 o 18 0.00/0.00 o 17 0.00/0.00 o 16 0.00/0.00 o 15 0.00/0.00 o 14 0.00/0.00 o 13 0.00/0.00 o 12 0.00/0.00 o 11 0.00/0.00 o 10 0.00/0.00 o 9 0.00/0.00 o 8 0.00/0.00 o 7 0.00/0.00 o 6 0.00/0.00 o 5 142.54/142.67 o 5 142.54/142.68 s OPTIMUM FOUND 142.54/142.68 c Total Run Time 142.619 142.54/142.68 v -x1 -x10 -x11 -x12 -x13 -x14 -x15 -x16 x17 x18 -x19 -x2 -x20 -x21 x22 -x23 -x24 -x25 -x26 -x27 -x28 -x29 -x3 -x30 x31 -x32 -x33 142.54/142.68 v -x34 -x35 -x36 -x37 -x38 -x39 -x4 -x40 -x41 -x42 -x43 -x44 -x45 -x46 -x47 -x48 -x49 -x5 -x50 -x6 x7 -x8 -x9
OK 5
/tmp/evaluation/459099-1178648689/instance-459099-1178648689.opb is already a linear file
runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr command line: runsolver --timestamp -w ROOT/results/node40/watcher-459099-1178648689 -o ROOT/results/node40/solver-459099-1178648689 -C 1800 -W 3600 -M 1800 --output-limit 1,15 PBS4_SAT07v2 /tmp/evaluation/459099-1178648689/instance-459099-1178648689.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: 0.99 1.00 1.00 3/77 22061 /proc/meminfo: memFree=1487864/2055920 swapFree=4157536/4192956 [pid=22061] ppid=22059 vsize=1324 CPUtime=0 /proc/22061/stat : 22061 (PBS4_SAT07v2) R 22059 22061 21692 0 -1 4194304 127 0 0 0 0 0 0 0 18 0 1 0 193748493 1355776 109 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134588758 0 0 4096 16384 0 0 0 17 1 0 0 /proc/22061/statm: 331 110 86 219 0 108 0 [startup+0.091773 s] /proc/loadavg: 0.99 1.00 1.00 3/77 22061 /proc/meminfo: memFree=1487864/2055920 swapFree=4157536/4192956 [pid=22061] ppid=22059 vsize=1320 CPUtime=0.08 /proc/22061/stat : 22061 (PBS4_SAT07v2) R 22059 22061 21692 0 -1 4194304 186 0 0 0 8 0 0 0 18 0 1 0 193748493 1351680 168 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/22061/statm: 330 168 102 219 0 107 0 Current children cumulated CPU time (s) 0.08 Current children cumulated vsize (KiB) 1320 [startup+0.101775 s] /proc/loadavg: 0.99 1.00 1.00 3/77 22061 /proc/meminfo: memFree=1487864/2055920 swapFree=4157536/4192956 [pid=22061] ppid=22059 vsize=1476 CPUtime=0.09 /proc/22061/stat : 22061 (PBS4_SAT07v2) R 22059 22061 21692 0 -1 4194304 196 0 0 0 9 0 0 0 18 0 1 0 193748493 1511424 178 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/22061/statm: 369 178 102 219 0 146 0 Current children cumulated CPU time (s) 0.09 Current children cumulated vsize (KiB) 1476 [startup+0.301816 s] /proc/loadavg: 0.99 1.00 1.00 3/77 22061 /proc/meminfo: memFree=1487864/2055920 swapFree=4157536/4192956 [pid=22061] ppid=22059 vsize=1732 CPUtime=0.29 /proc/22061/stat : 22061 (PBS4_SAT07v2) R 22059 22061 21692 0 -1 4194304 278 0 0 0 29 0 0 0 19 0 1 0 193748493 1773568 260 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/22061/statm: 433 260 102 219 0 210 0 Current children cumulated CPU time (s) 0.29 Current children cumulated vsize (KiB) 1732 [startup+0.7029 s] /proc/loadavg: 0.99 1.00 1.00 3/77 22061 /proc/meminfo: memFree=1487864/2055920 swapFree=4157536/4192956 [pid=22061] ppid=22059 vsize=2572 CPUtime=0.69 /proc/22061/stat : 22061 (PBS4_SAT07v2) R 22059 22061 21692 0 -1 4194304 412 0 0 0 69 0 0 0 23 0 1 0 193748493 2633728 394 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/22061/statm: 643 394 102 219 0 420 0 Current children cumulated CPU time (s) 0.69 Current children cumulated vsize (KiB) 2572 [startup+1.50107 s] /proc/loadavg: 0.99 1.00 1.00 2/78 22062 /proc/meminfo: memFree=1486320/2055920 swapFree=4157536/4192956 [pid=22061] ppid=22059 vsize=3924 CPUtime=1.49 /proc/22061/stat : 22061 (PBS4_SAT07v2) R 22059 22061 21692 0 -1 4194304 652 0 0 0 149 0 0 0 25 0 1 0 193748493 4018176 585 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/22061/statm: 981 585 102 219 0 758 0 Current children cumulated CPU time (s) 1.49 Current children cumulated vsize (KiB) 3924 [startup+3.1014 s] /proc/loadavg: 0.99 1.00 1.00 2/78 22062 /proc/meminfo: memFree=1485488/2055920 swapFree=4157536/4192956 [pid=22061] ppid=22059 vsize=4064 CPUtime=3.09 /proc/22061/stat : 22061 (PBS4_SAT07v2) R 22059 22061 21692 0 -1 4194304 811 0 0 0 308 1 0 0 25 0 1 0 193748493 4161536 744 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/22061/statm: 1016 744 102 219 0 793 0 Current children cumulated CPU time (s) 3.09 Current children cumulated vsize (KiB) 4064 [startup+6.30107 s] /proc/loadavg: 0.99 1.00 1.00 2/78 22062 /proc/meminfo: memFree=1484208/2055920 swapFree=4157536/4192956 [pid=22061] ppid=22059 vsize=6768 CPUtime=6.29 /proc/22061/stat : 22061 (PBS4_SAT07v2) R 22059 22061 21692 0 -1 4194304 1124 0 0 0 627 2 0 0 25 0 1 0 193748493 6930432 960 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/22061/statm: 1692 960 102 219 0 1469 0 Current children cumulated CPU time (s) 6.29 Current children cumulated vsize (KiB) 6768 [startup+12.7014 s] /proc/loadavg: 0.99 1.00 1.00 2/78 22062 /proc/meminfo: memFree=1482992/2055920 swapFree=4157536/4192956 [pid=22061] ppid=22059 vsize=7216 CPUtime=12.69 /proc/22061/stat : 22061 (PBS4_SAT07v2) R 22059 22061 21692 0 -1 4194304 1418 0 0 0 1265 4 0 0 25 0 1 0 193748493 7389184 1254 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134550311 0 0 4096 16384 0 0 0 17 1 0 0 /proc/22061/statm: 1804 1254 102 219 0 1581 0 Current children cumulated CPU time (s) 12.69 Current children cumulated vsize (KiB) 7216 [startup+25.5011 s] /proc/loadavg: 0.99 1.00 1.00 2/78 22062 /proc/meminfo: memFree=1481136/2055920 swapFree=4157536/4192956 [pid=22061] ppid=22059 vsize=7752 CPUtime=25.48 /proc/22061/stat : 22061 (PBS4_SAT07v2) R 22059 22061 21692 0 -1 4194304 1851 0 0 0 2542 6 0 0 25 0 1 0 193748493 7938048 1687 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134550302 0 0 4096 16384 0 0 0 17 1 0 0 /proc/22061/statm: 1938 1687 102 219 0 1715 0 Current children cumulated CPU time (s) 25.48 Current children cumulated vsize (KiB) 7752 [startup+51.1014 s] /proc/loadavg: 0.99 1.00 1.00 2/78 22062 /proc/meminfo: memFree=1479856/2055920 swapFree=4157536/4192956 [pid=22061] ppid=22059 vsize=13324 CPUtime=51.07 /proc/22061/stat : 22061 (PBS4_SAT07v2) R 22059 22061 21692 0 -1 4194304 2374 0 0 0 5095 12 0 0 25 0 1 0 193748493 13643776 2017 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134550311 0 0 4096 16384 0 0 0 17 1 0 0 /proc/22061/statm: 3331 2017 102 219 0 3108 0 Current children cumulated CPU time (s) 51.07 Current children cumulated vsize (KiB) 13324 [startup+102.305 s] /proc/loadavg: 0.99 1.00 1.00 2/78 22062 /proc/meminfo: memFree=1476912/2055920 swapFree=4157536/4192956 [pid=22061] ppid=22059 vsize=16156 CPUtime=102.26 /proc/22061/stat : 22061 (PBS4_SAT07v2) R 22059 22061 21692 0 -1 4194304 3471 0 0 0 10205 21 0 0 25 0 1 0 193748493 16543744 2729 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/22061/statm: 4039 2729 102 219 0 3816 0 Current children cumulated CPU time (s) 102.26 Current children cumulated vsize (KiB) 16156 Solver just ended. Dumping a history of the last processes samples [startup+127.903 s] /proc/loadavg: 0.99 1.00 1.00 2/78 22062 /proc/meminfo: memFree=1475888/2055920 swapFree=4157536/4192956 [pid=22061] ppid=22059 vsize=16816 CPUtime=127.84 /proc/22061/stat : 22061 (PBS4_SAT07v2) R 22059 22061 21692 0 -1 4194304 3730 0 0 0 12759 25 0 0 25 0 1 0 193748493 17219584 2988 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134550292 0 0 4096 16384 0 0 0 17 1 0 0 /proc/22061/statm: 4204 2988 102 219 0 3981 0 Current children cumulated CPU time (s) 127.84 Current children cumulated vsize (KiB) 16816 [startup+134.302 s] /proc/loadavg: 0.99 1.00 1.00 2/78 22062 /proc/meminfo: memFree=1475568/2055920 swapFree=4157536/4192956 [pid=22061] ppid=22059 vsize=16948 CPUtime=134.24 /proc/22061/stat : 22061 (PBS4_SAT07v2) R 22059 22061 21692 0 -1 4194304 3816 0 0 0 13398 26 0 0 25 0 1 0 193748493 17354752 3074 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134550311 0 0 4096 16384 0 0 0 17 1 0 0 /proc/22061/statm: 4237 3074 102 219 0 4014 0 Current children cumulated CPU time (s) 134.24 Current children cumulated vsize (KiB) 16948 [startup+137.506 s] /proc/loadavg: 0.99 1.00 1.00 2/78 22062 /proc/meminfo: memFree=1475376/2055920 swapFree=4157536/4192956 [pid=22061] ppid=22059 vsize=17088 CPUtime=137.44 /proc/22061/stat : 22061 (PBS4_SAT07v2) R 22059 22061 21692 0 -1 4194304 3875 0 0 0 13716 28 0 0 25 0 1 0 193748493 17498112 3133 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/22061/statm: 4272 3133 102 219 0 4049 0 Current children cumulated CPU time (s) 137.44 Current children cumulated vsize (KiB) 17088 [startup+140.701 s] /proc/loadavg: 0.99 1.00 1.00 2/78 22062 /proc/meminfo: memFree=1475184/2055920 swapFree=4157536/4192956 [pid=22061] ppid=22059 vsize=17236 CPUtime=140.64 /proc/22061/stat : 22061 (PBS4_SAT07v2) R 22059 22061 21692 0 -1 4194304 3921 0 0 0 14035 29 0 0 25 0 1 0 193748493 17649664 3179 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134549405 0 0 4096 16384 0 0 0 17 1 0 0 /proc/22061/statm: 4309 3179 102 219 0 4086 0 Current children cumulated CPU time (s) 140.64 Current children cumulated vsize (KiB) 17236 [startup+141.501 s] /proc/loadavg: 0.99 1.00 1.00 2/78 22062 /proc/meminfo: memFree=1475184/2055920 swapFree=4157536/4192956 [pid=22061] ppid=22059 vsize=17236 CPUtime=141.43 /proc/22061/stat : 22061 (PBS4_SAT07v2) R 22059 22061 21692 0 -1 4194304 3926 0 0 0 14114 29 0 0 25 0 1 0 193748493 17649664 3184 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/22061/statm: 4309 3184 102 219 0 4086 0 Current children cumulated CPU time (s) 141.43 Current children cumulated vsize (KiB) 17236 [startup+142.302 s] /proc/loadavg: 0.99 1.00 1.00 2/78 22062 /proc/meminfo: memFree=1475120/2055920 swapFree=4157536/4192956 [pid=22061] ppid=22059 vsize=17236 CPUtime=142.24 /proc/22061/stat : 22061 (PBS4_SAT07v2) R 22059 22061 21692 0 -1 4194304 3931 0 0 0 14194 30 0 0 25 0 1 0 193748493 17649664 3189 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/22061/statm: 4309 3189 102 219 0 4086 0 Current children cumulated CPU time (s) 142.24 Current children cumulated vsize (KiB) 17236 [startup+142.502 s] /proc/loadavg: 0.99 1.00 1.00 2/78 22062 /proc/meminfo: memFree=1475120/2055920 swapFree=4157536/4192956 [pid=22061] ppid=22059 vsize=17236 CPUtime=142.44 /proc/22061/stat : 22061 (PBS4_SAT07v2) R 22059 22061 21692 0 -1 4194304 3932 0 0 0 14214 30 0 0 25 0 1 0 193748493 17649664 3190 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/22061/statm: 4309 3190 102 219 0 4086 0 Current children cumulated CPU time (s) 142.44 Current children cumulated vsize (KiB) 17236 [startup+142.602 s] /proc/loadavg: 0.99 1.00 1.00 2/78 22062 /proc/meminfo: memFree=1475120/2055920 swapFree=4157536/4192956 [pid=22061] ppid=22059 vsize=17236 CPUtime=142.54 /proc/22061/stat : 22061 (PBS4_SAT07v2) R 22059 22061 21692 0 -1 4194304 3933 0 0 0 14224 30 0 0 25 0 1 0 193748493 17649664 3191 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0 /proc/22061/statm: 4309 3191 102 219 0 4086 0 Current children cumulated CPU time (s) 142.54 Current children cumulated vsize (KiB) 17236 Child status: 0 Real time (s): 142.683 CPU time (s): 142.626 CPU user time (s): 142.321 CPU system time (s): 0.304953 CPU usage (%): 99.96 Max. virtual memory (cumulated for all children) (KiB): 17236 getrusage(RUSAGE_CHILDREN,...) data: user time used= 142.321 system time used= 0.304953 maximum resident set size= 0 integral shared memory size= 0 integral unshared data size= 0 integral unshared stack size= 0 page reclaims= 3940 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= 2976 runsolver used 0.134979 second user time and 0.335948 second system time The end
Begin job on node40 on Tue May 8 18:24:49 UTC 2007 IDJOB= 459099 IDBENCH= 2870 IDSOLVER= 200 FILE ID= node40/459099-1178648689 PBS_JOBID= 5218392 Free space on /tmp= 66562 MiB SOLVER NAME= PBS4_v2 2007-03-23 BENCH NAME= HOME/pub/bench/PB06/final/normalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/logic_synthesis/normalized-m100_50_20_20.r.opb COMMAND LINE= PBS4_SAT07v2 /tmp/evaluation/459099-1178648689/instance-459099-1178648689.opb CONVERSION COMMAND LINE= runsolver -w ROOT/results/node40/convwatcher-459099-1178648689 -o ROOT/results/node40/conversion-459099-1178648689 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/459099-1178648689/instance-459099-1178648689.opb CONVERSION RUNSOLVER STATUS CODE= 0 CONVERSION STATUS CODE= 0 RUNSOLVER COMMAND LINE= runsolver --timestamp -w ROOT/results/node40/watcher-459099-1178648689 -o ROOT/results/node40/solver-459099-1178648689 -C 1800 -W 3600 -M 1800 --output-limit 1,15 PBS4_SAT07v2 /tmp/evaluation/459099-1178648689/instance-459099-1178648689.opb META MD5SUM SOLVER= 18cd8c68a4d3bfb01f29079966475a33 MD5SUM BENCH= a0250fc6809d30108f7d11f1d27eb358 RANDOM SEED= 739317366 TIME LIMIT= 1800 seconds MEMORY LIMIT= 1800 MiB Linux node40.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 : 3000.283 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 : 3000.283 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: 1488208 kB Buffers: 47864 kB Cached: 386684 kB SwapCached: 15272 kB Active: 145872 kB Inactive: 311944 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 2055920 kB LowFree: 1488208 kB SwapTotal: 4192956 kB SwapFree: 4157536 kB Dirty: 2292 kB Writeback: 0 kB Mapped: 30212 kB Slab: 95264 kB Committed_AS: 4675020 kB PageTables: 1932 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 node40 on Tue May 8 18:27:12 UTC 2007