Solver Name | Answer | Objective function | CPU time | Wall clock time |
---|---|---|---|---|
SAT4JPSEUDO 2006.2 Heuristics | UNSAT | 31.6272 | 30.4366 |
Name | normalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/ MIPLIB/miplib2003/normalized-reduced-mps-v2-20-10-momentum1.opb |
MD5SUM | e2a78df60352c05b10262815438dedba |
Bench Category | OPT-SMALLINT (optimisation, small integers) |
Best result obtained on this benchmark | UNSAT |
Best value of the objective obtained on this benchmark | |
Best CPU time to get the best result obtained on this benchmark | 2.74158 |
Has Objective Function | YES |
Satisfiable | NO |
(Un)Satisfiability was proved | YES |
Best value of the objective function | |
Optimality of the best value was proved | |
Number of variables | 41495 |
Total number of constraints | 40134 |
Number of constraints which are clauses | 24365 |
Number of constraints which are cardinality constraints (but not clauses) | 651 |
Number of constraints which are nor clauses,nor cardinality constraints | 15118 |
Minimum length of a constraint | 1 |
Maximum length of a constraint | 840 |
Number of terms in the objective function | 31027 |
Biggest coefficient in the objective function | 6260 |
Number of bits for the biggest coefficient in the objective function | 13 |
Sum of the numbers in the objective function | 553158 |
Number of bits of the sum of numbers in the objective function | 20 |
Biggest number in a constraint | 371255 |
Number of bits of the biggest number in a constraint | 19 |
Biggest sum of numbers in a constraint | 553158 |
Number of bits of the biggest sum of numbers | 20 |
Number of products (including duplicates) | 0 |
Sum of products size (including duplicates) | 0 |
Number of different products | 0 |
Sum of products size | 0 |
0.15 c SAT4J: a SATisfiability library for Java (c) 2004-2006 Daniel Le Berre 0.15 c This is free software under the GNU LGPL licence. See www.sat4j.org for details. 0.15 c no version file found!!! 0.15 c sun.arch.data.model 32 0.15 c java.version 1.5.0_06 0.15 c os.name Linux 0.15 c os.version 2.6.9-22.EL.rootsmp 0.15 c os.arch i386 0.15 c Free memory 1548419056 0.15 c Max memory 1551040512 0.15 c Total memory 1551040512 0.15 c Number of processors 2 0.22 c Cutting planes based inference 0.22 c --- Begin Solver configuration --- 0.22 c org.sat4j.minisat.uip.FirstUIP@1df073d 0.22 c org.sat4j.minisat.constraints.PBMaxClauseCardConstrDataStructure@1546e25 0.22 c org.sat4j.minisat.learning.MiniSATLearning@b66cc 0.22 c conflictBoundIncFactor=1.5 learntBoundIncFactor=1.1 initLearntBoundConstraintFactor=10000.0 initConflictBound=100 0.22 c VSIDS like heuristics from MiniSAT using a heap 0.22 c No reason simplification 0.22 c --- End Solver configuration --- 0.22 c solving ROOT/tmp/node18/42627-1149362051/instance-42627-1149362051.opb 0.22 c reading problem ... 30.36 c (trivial inconsistency) 30.36 c starts : 0 30.36 c conflicts : 0 30.36 c decisions : 0 30.36 c propagations : 0 30.36 c inspects : 0 30.36 c learnt literals : 0 30.36 c learnt binary clauses : 0 30.36 c learnt ternary clauses : 0 30.36 c learnt clauses : 0 30.36 c root simplifications : 0 30.36 c removed literals (reason simplification) : 0 30.36 c reason swapping (by a shorter reason) : 0 30.36 c Calls to reduceDB : 0 30.36 c speed (decisions/second) : 0.0 30.36 c non guided choices 0 30.36 s UNSATISFIABLE 30.36 c Total wall clock time (ms): 30.143
ERROR: no interpretation found !
Enforcing CPU limit (will send SIGTERM then SIGKILL): 1800 seconds Enforcing CPUTime (will send SIGXCPU) limit: 1830 seconds Enforcing Stack size limit: 67108864 bytes Enforcing memory limit (will send SIGKILL): 1843200 Kb Enforcing VSIZE limit: 1887436800 bytes runsolver version 3.0.0 (c) roussel@cril.univ-artois.fr command line: runsolver --timestamp -w ROOT/results/node18/watcher-42627-1149362051 -o ROOT/results/node18/solver-42627-1149362051 -C 1800 -M 1800 -S 64 java -server -Xms1500M -Xmx1500M -jar ROOT/solvers/PB/PB06final/user5/sat4jPseudoHeuristics.jar ROOT/tmp/node18/42627-1149362051/instance-42627-1149362051.opb 97645083 Current StackSize limit: 67108864 bytes /proc/loadavg: 0.89 0.99 0.99 2/64 11131 /proc/meminfo: memFree=1702024/2055920 swapFree=4180888/4192956 [pid=11131] ppid=11129 vsize=168 CPUtime=0 /proc/11131/stat : 11131 (java) R 11129 11131 11085 0 -1 0 39 0 0 0 0 0 0 0 19 0 1 0 201868076 172032 23 18446744073709551615 134512640 134570276 4294956608 18446744073709551615 7860523 0 0 4096 0 0 0 0 17 1 0 0 /proc/11131/statm: 42 23 18 14 0 2 0 [startup+10.0028 s] /proc/loadavg: 0.91 0.99 0.99 2/75 11142 /proc/meminfo: memFree=1528184/2055920 swapFree=4180888/4192956 [pid=11131] ppid=11129 vsize=1710780 CPUtime=10.81 /proc/11131/stat : 11131 (java) R 11129 11131 11085 0 -1 0 48780 0 1 0 1059 22 0 0 25 0 12 0 201868076 1751838720 45158 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4152709490 0 4 0 23759 18446744073709551615 0 0 17 1 0 0 /proc/11131/statm: 427695 45158 1883 14 0 414442 0 [pid=11131/tid=11132] ppid=11129 vsize=1710780 CPUtime=0.33 /proc/11131/task/11132/stat : 11132 (java) S 11129 11131 11085 0 -1 64 4597 0 0 0 31 2 0 0 16 0 12 0 201868079 1751838720 45158 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0 [pid=11131/tid=11133] ppid=11129 vsize=1710780 CPUtime=0.33 /proc/11131/task/11133/stat : 11133 (java) S 11129 11131 11085 0 -1 64 5624 0 0 0 31 2 0 0 16 0 12 0 201868079 1751838720 45158 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0 [pid=11131/tid=11134] ppid=11129 vsize=1710780 CPUtime=0 /proc/11131/task/11134/stat : 11134 (java) S 11129 11131 11085 0 -1 64 25 0 0 0 0 0 0 0 15 0 12 0 201868082 1751838720 45158 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 0 0 23759 0 0 0 -1 1 0 0 [pid=11131/tid=11135] ppid=11129 vsize=1710780 CPUtime=0 /proc/11131/task/11135/stat : 11135 (java) S 11129 11131 11085 0 -1 64 8 0 0 0 0 0 0 0 16 0 12 0 201868082 1751838720 45158 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0 [pid=11131/tid=11136] ppid=11129 vsize=1710780 CPUtime=0 /proc/11131/task/11136/stat : 11136 (java) S 11129 11131 11085 0 -1 64 5 0 0 0 0 0 0 0 16 0 12 0 201868082 1751838720 45158 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0 [pid=11131/tid=11137] ppid=11129 vsize=1710780 CPUtime=0 /proc/11131/task/11137/stat : 11137 (java) S 11129 11131 11085 0 -1 64 1 0 0 0 0 0 0 0 24 0 12 0 201868086 1751838720 45158 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0 [pid=11131/tid=11138] ppid=11129 vsize=1710780 CPUtime=0 /proc/11131/task/11138/stat : 11138 (java) S 11129 11131 11085 0 -1 64 3 0 0 0 0 0 0 0 16 0 12 0 201868086 1751838720 45158 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0 [pid=11131/tid=11139] ppid=11129 vsize=1710780 CPUtime=0.33 /proc/11131/task/11139/stat : 11139 (java) S 11129 11131 11085 0 -1 64 589 0 0 0 33 0 0 0 15 0 12 0 201868086 1751838720 45158 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0 [pid=11131/tid=11140] ppid=11129 vsize=1710780 CPUtime=0.34 /proc/11131/task/11140/stat : 11140 (java) S 11129 11131 11085 0 -1 64 574 0 0 0 34 0 0 0 16 0 12 0 201868086 1751838720 45158 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0 [pid=11131/tid=11141] ppid=11129 vsize=1710780 CPUtime=0 /proc/11131/task/11141/stat : 11141 (java) S 11129 11131 11085 0 -1 64 1 0 0 0 0 0 0 0 25 0 12 0 201868086 1751838720 45158 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0 [pid=11131/tid=11142] ppid=11129 vsize=1710780 CPUtime=0 /proc/11131/task/11142/stat : 11142 (java) S 11129 11131 11085 0 -1 64 1 0 0 0 0 0 0 0 15 0 12 0 201868086 1751838720 45158 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0 Current children cumulated CPU time (s) 10.81 Current children cumulated vsize (Kb) 1710780 [startup+20.0108 s] /proc/loadavg: 0.92 0.99 0.99 2/75 11142 /proc/meminfo: memFree=1542976/2055920 swapFree=4180888/4192956 [pid=11131] ppid=11129 vsize=1710780 CPUtime=21.03 /proc/11131/stat : 11131 (java) R 11129 11131 11085 0 -1 0 50185 0 1 0 2079 24 0 0 25 0 12 0 201868076 1751838720 41541 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4071418255 0 4 0 23759 18446744073709551615 0 0 17 1 0 0 /proc/11131/statm: 427695 41541 1883 14 0 414442 0 [pid=11131/tid=11132] ppid=11129 vsize=1710780 CPUtime=0.39 /proc/11131/task/11132/stat : 11132 (java) S 11129 11131 11085 0 -1 64 5268 0 0 0 37 2 0 0 16 0 12 0 201868079 1751838720 41541 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0 [pid=11131/tid=11133] ppid=11129 vsize=1710780 CPUtime=0.4 /proc/11131/task/11133/stat : 11133 (java) S 11129 11131 11085 0 -1 64 6250 0 0 0 38 2 0 0 16 0 12 0 201868079 1751838720 41541 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0 [pid=11131/tid=11134] ppid=11129 vsize=1710780 CPUtime=0.01 /proc/11131/task/11134/stat : 11134 (java) S 11129 11131 11085 0 -1 64 38 0 0 0 0 1 0 0 15 0 12 0 201868082 1751838720 41541 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 0 0 23759 0 0 0 -1 1 0 0 [pid=11131/tid=11135] ppid=11129 vsize=1710780 CPUtime=0 /proc/11131/task/11135/stat : 11135 (java) S 11129 11131 11085 0 -1 64 8 0 0 0 0 0 0 0 16 0 12 0 201868082 1751838720 41541 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0 [pid=11131/tid=11136] ppid=11129 vsize=1710780 CPUtime=0 /proc/11131/task/11136/stat : 11136 (java) S 11129 11131 11085 0 -1 64 5 0 0 0 0 0 0 0 16 0 12 0 201868082 1751838720 41541 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0 [pid=11131/tid=11137] ppid=11129 vsize=1710780 CPUtime=0 /proc/11131/task/11137/stat : 11137 (java) S 11129 11131 11085 0 -1 64 1 0 0 0 0 0 0 0 24 0 12 0 201868086 1751838720 41541 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0 [pid=11131/tid=11138] ppid=11129 vsize=1710780 CPUtime=0 /proc/11131/task/11138/stat : 11138 (java) S 11129 11131 11085 0 -1 64 3 0 0 0 0 0 0 0 17 0 12 0 201868086 1751838720 41541 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0 [pid=11131/tid=11139] ppid=11129 vsize=1710780 CPUtime=0.42 /proc/11131/task/11139/stat : 11139 (java) S 11129 11131 11085 0 -1 64 598 0 0 0 42 0 0 0 16 0 12 0 201868086 1751838720 41541 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0 [pid=11131/tid=11140] ppid=11129 vsize=1710780 CPUtime=0.41 /proc/11131/task/11140/stat : 11140 (java) S 11129 11131 11085 0 -1 64 632 0 0 0 41 0 0 0 16 0 12 0 201868086 1751838720 41541 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0 [pid=11131/tid=11141] ppid=11129 vsize=1710780 CPUtime=0 /proc/11131/task/11141/stat : 11141 (java) S 11129 11131 11085 0 -1 64 1 0 0 0 0 0 0 0 25 0 12 0 201868086 1751838720 41541 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0 [pid=11131/tid=11142] ppid=11129 vsize=1710780 CPUtime=0 /proc/11131/task/11142/stat : 11142 (java) S 11129 11131 11085 0 -1 64 1 0 0 0 0 0 0 0 15 0 12 0 201868086 1751838720 41541 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0 Current children cumulated CPU time (s) 21.03 Current children cumulated vsize (Kb) 1710780 [startup+30.0178 s] /proc/loadavg: 0.93 0.99 0.99 2/75 11142 /proc/meminfo: memFree=1479296/2055920 swapFree=4180888/4192956 [pid=11131] ppid=11129 vsize=1710780 CPUtime=31.24 /proc/11131/stat : 11131 (java) R 11129 11131 11085 0 -1 0 67069 0 1 0 3092 32 0 0 24 0 12 0 201868076 1751838720 57472 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4071420635 0 4 0 23759 18446744073709551615 0 0 17 1 0 0 /proc/11131/statm: 427695 57472 1885 14 0 414442 0 [pid=11131/tid=11132] ppid=11129 vsize=1710780 CPUtime=0.6 /proc/11131/task/11132/stat : 11132 (java) S 11129 11131 11085 0 -1 64 9113 0 0 0 57 3 0 0 16 0 12 0 201868079 1751838720 57472 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0 [pid=11131/tid=11133] ppid=11129 vsize=1710780 CPUtime=0.62 /proc/11131/task/11133/stat : 11133 (java) S 11129 11131 11085 0 -1 64 9960 0 0 0 58 4 0 0 16 0 12 0 201868079 1751838720 57472 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0 [pid=11131/tid=11134] ppid=11129 vsize=1710780 CPUtime=0.01 /proc/11131/task/11134/stat : 11134 (java) S 11129 11131 11085 0 -1 64 44 0 0 0 0 1 0 0 16 0 12 0 201868082 1751838720 57472 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 0 0 23759 0 0 0 -1 0 0 0 [pid=11131/tid=11135] ppid=11129 vsize=1710780 CPUtime=0 /proc/11131/task/11135/stat : 11135 (java) S 11129 11131 11085 0 -1 64 8 0 0 0 0 0 0 0 16 0 12 0 201868082 1751838720 57472 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0 [pid=11131/tid=11136] ppid=11129 vsize=1710780 CPUtime=0 /proc/11131/task/11136/stat : 11136 (java) S 11129 11131 11085 0 -1 64 5 0 0 0 0 0 0 0 16 0 12 0 201868082 1751838720 57472 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0 [pid=11131/tid=11137] ppid=11129 vsize=1710780 CPUtime=0 /proc/11131/task/11137/stat : 11137 (java) S 11129 11131 11085 0 -1 64 1 0 0 0 0 0 0 0 24 0 12 0 201868086 1751838720 57472 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0 [pid=11131/tid=11138] ppid=11129 vsize=1710780 CPUtime=0 /proc/11131/task/11138/stat : 11138 (java) S 11129 11131 11085 0 -1 64 3 0 0 0 0 0 0 0 17 0 12 0 201868086 1751838720 57472 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0 [pid=11131/tid=11139] ppid=11129 vsize=1710780 CPUtime=0.42 /proc/11131/task/11139/stat : 11139 (java) S 11129 11131 11085 0 -1 64 598 0 0 0 42 0 0 0 16 0 12 0 201868086 1751838720 57472 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0 [pid=11131/tid=11140] ppid=11129 vsize=1710780 CPUtime=0.42 /proc/11131/task/11140/stat : 11140 (java) S 11129 11131 11085 0 -1 64 635 0 0 0 42 0 0 0 15 0 12 0 201868086 1751838720 57472 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0 [pid=11131/tid=11141] ppid=11129 vsize=1710780 CPUtime=0 /proc/11131/task/11141/stat : 11141 (java) S 11129 11131 11085 0 -1 64 1 0 0 0 0 0 0 0 25 0 12 0 201868086 1751838720 57472 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0 [pid=11131/tid=11142] ppid=11129 vsize=1710780 CPUtime=0 /proc/11131/task/11142/stat : 11142 (java) S 11129 11131 11085 0 -1 64 1 0 0 0 0 0 0 0 15 0 12 0 201868086 1751838720 57472 18446744073709551615 134512640 134570276 4294956448 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0 Current children cumulated CPU time (s) 31.24 Current children cumulated vsize (Kb) 1710780 Child status: 20 Real time (s): 30.4366 CPU time (s): 31.6272 CPU user time (s): 31.2732 CPU system time (s): 0.353946 CPU usage (%): 103.912 Max. virtual memory (cumulated for all children) (Kb): 1710780
Begin job on node18 on Sat Jun 3 19:14:11 UTC 2006 FILE ID= 42627-1149362051 PBS_JOBID= 311568 BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/MIPLIB/miplib2003/normalized-reduced-mps-v2-20-10-momentum1.opb COMMAND LINE= java -server -Xms1500M -Xmx1500M -jar ROOT/solvers/PB/PB06final/user5/sat4jPseudoHeuristics.jar ROOT/tmp/node18/42627-1149362051/instance-42627-1149362051.opb 97645083 RUNSOLVER COMMAND LINE= runsolver --timestamp -w ROOT/results/node18/watcher-42627-1149362051 -o ROOT/results/node18/solver-42627-1149362051 -C 1800 -M 1800 -S 64 java -server -Xms1500M -Xmx1500M -jar ROOT/solvers/PB/PB06final/user5/sat4jPseudoHeuristics.jar ROOT/tmp/node18/42627-1149362051/instance-42627-1149362051.opb 97645083 MD5SUM SOLVER= 3cef94aa015dc0dd234d31843a257d70 MD5SUM BENCH= e2a78df60352c05b10262815438dedba RANDOM SEED= 97645083 /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 : 3000.216 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 : 5931.00 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 : 3000.216 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: 1702168 kB Buffers: 29172 kB Cached: 256008 kB SwapCached: 3684 kB Active: 75488 kB Inactive: 218332 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 2055920 kB LowFree: 1702168 kB SwapTotal: 4192956 kB SwapFree: 4180888 kB Dirty: 276 kB Writeback: 0 kB Mapped: 14680 kB Slab: 45948 kB Committed_AS: 362468 kB PageTables: 1416 kB VmallocTotal: 536870911 kB VmallocUsed: 264952 kB VmallocChunk: 536605679 kB HugePages_Total: 0 HugePages_Free: 0 Hugepagesize: 2048 kB End job on node18 on Sat Jun 3 19:14:42 UTC 2006