Trace number 351334

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds, and are wall clock time (not CPU time).

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerObjective functionCPU timeWall clock time
PB-clasp 2007-04-10SAT (TO)1238 1802.04 1802.93

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/ftp.netlib.org/
lp/data/normalized-reduced-mps-v2-20-10-beaconfd.opb
MD5SUM6927d145bd65464e16bb11d2b0c90152
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark1238
Best CPU time to get the best result obtained on this benchmark1802.04
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 919
Optimality of the best value was proved NO
Number of variables7860
Total number of constraints173
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints173
Minimum length of a constraint30
Maximum length of a constraint4620
Number of terms in the objective function 2880
Biggest coefficient in the objective function 56798
Number of bits for the biggest coefficient in the objective function 16
Sum of the numbers in the objective function 526611
Number of bits of the sum of numbers in the objective function 20
Biggest number in a constraint 262145
Number of bits of the biggest number in a constraint 19
Biggest sum of numbers in a constraint 527918
Number of bits of the biggest sum of numbers20
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data (download as text)

3.28/4.03	o 1238
1800.04/1800.91	c Somebody sent me a SIGTERM
1800.04/1800.91	s SATISFIABLE
1800.04/1800.91	v x13 x75 x77 x79 x193 x224 x225 x228 x284 x286 x288 x316 x344 x345 x346 x347 x348 x375 x378 x380 x493 x495 x496 x497 x553 x557 x613
1800.04/1800.91	v x615 x617 x618 x673 x674 x676 x677 x736 x740 x793 x794 x795 x797 x798 x799 x827 x828 x829 x870 x887 x889 x890 x893 x948 x949 x952
1800.04/1800.91	v x990 x1012 x1157 x1158 x1160 x1212 x1214 x1215 x1217 x1274 x1276 x1278 x1279 x1303 x1304 x1307 x1308 x1363 x1368 x1424 x1426
1800.04/1800.91	v x1428 x1429 x1487 x1489 x1545 x1547 x1549 x1551 x1633 x1634 x1664 x1666 x1667 x1754 x1784 x1786 x1787 x1790 x1845 x1847 x1848
1800.04/1800.91	v x1849 x1850 x1876 x1877 x1878 x1879 x1883 x1995 x1998 x2025 x2027 x2030 x2115 x2118 x2119 x2120 x2232 x2234 x2235 x2292 x2293
1800.04/1800.91	v x2294 x2295 x2383 x2413 x2446 x2447 x2449 x2473 x2475 x2477 x2509 x2510 x2511 x2533 x2534 x2598 x2599 x2601 x2602 x2684 x2685
1800.04/1800.91	v x2686 x2776 x2833 x2836 x2866 x2867 x2868 x2869 x2870 x2871 x2897 x2900 x2903 x2924 x2956 x2958 x2959 x2960 x2962 x2984 x2985
1800.04/1800.91	v x2986 x2989 x3012 x3013 x3014 x3044 x3046 x3050 x3079 x3255 x3257 x3260 x3374 x3375 x3376 x3377 x3403 x3405 x3586 x3587 x3591
1800.04/1800.91	v x3643 x3645 x3646 x3647 x3650 x3763 x3765 x3766 x4034 x4036 x4096 x4097 x4099 x4183 x4604 x4605 x4607 x4608 x4609 x4610 x4697
1800.04/1800.91	v x4698 x4723 x4727 x4903 x4905 x4907 x4995 x4997 x4998 x5115 x5118 x5534 x5535 x5538 x5653 x5655 x5712 x5713 x5773 x5775 x5776
1800.04/1800.91	v x5894 x5896 x5897 x5899 x5900 x5901 x5984 x5986 x5988 x6076 x6078 x6079 x6257 x6258 x6259 x6346 x6348 x6349 x6464 x6468 x6471
1800.04/1800.91	v x6614 x6616 x6618 x6619 x6673 x6674 x6675 x6676 x6764 x6766 x7094 x7096 x7303 x7304 x7308 x7363 x7543 x7692 x7695 x7783 x7784
1800.04/1800.91	v x7786 x7787
1800.04/1800.92	pb2clasp1: no process killed
1800.04/1800.92	clasp-1.0: no process killed
6.01/1802.92	sh: line 1:  1351 Done                    cat /tmp/evaluation/351334-1176595999/temp/instance-351334-1176595999.opb.op
6.01/1802.92	      1352 Killed                  | clasp-1.0 --trans=no >/tmp/evaluation/351334-1176595999/temp/instance-351334-1176595999.opb.clasp

Verifier Data (download as text)

OK	1238

Conversion Script Data (download as text)

/tmp/evaluation/351334-1176595999/instance-351334-1176595999.opb is already a linear file

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node20/watcher-351334-1176595999 -o ROOT/results/node20/solver-351334-1176595999 -C 1800 -W 3600 -M 1800 --output-limit 1,15 pbclasp instance-351334-1176595999.opb /tmp/evaluation/351334-1176595999/temp 

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: 0.92 1.01 0.99 3/77 1321
/proc/meminfo: memFree=1646080/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=12268 CPUtime=0
/proc/1321/stat : 1321 (pbclasp) D 1319 1321 974 0 -1 4194304 351 0 0 0 0 0 0 0 18 0 1 0 107517234 12562432 317 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273952766565 0 2147483391 4224 0 18446744072099781622 0 0 17 1 0 0
/proc/1321/statm: 3067 317 242 3 0 167 0

[startup+0.100032 s]
/proc/loadavg: 0.92 1.01 0.99 3/77 1321
/proc/meminfo: memFree=1646080/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13076 CPUtime=0.09
/proc/1321/stat : 1321 (pbclasp) R 1319 1321 974 0 -1 4194304 656 0 0 0 9 0 0 0 18 0 1 0 107517234 13389824 622 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273952445153 0 0 4224 16384 0 0 0 17 1 0 0
/proc/1321/statm: 3269 622 320 3 0 369 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 13076

[startup+0.201054 s]
/proc/loadavg: 0.92 1.01 0.99 3/77 1321
/proc/meminfo: memFree=1646080/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13368 CPUtime=0.1
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 720 0 0 0 10 0 0 0 16 0 1 0 107517234 13688832 672 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961496674 0 0 4224 16384 18446744071563648864 0 0 17 1 0 0
/proc/1321/statm: 3342 672 324 3 0 442 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 13368

[startup+0.301071 s]
/proc/loadavg: 0.92 1.01 0.99 3/77 1321
/proc/meminfo: memFree=1646080/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13368 CPUtime=0.1
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 720 0 0 0 10 0 0 0 16 0 1 0 107517234 13688832 672 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961496674 0 0 4224 16384 18446744071563648864 0 0 17 1 0 0
/proc/1321/statm: 3342 672 324 3 0 442 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 13368

[startup+0.701152 s]
/proc/loadavg: 0.92 1.01 0.99 3/77 1321
/proc/meminfo: memFree=1646080/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13368 CPUtime=0.1
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 720 0 0 0 10 0 0 0 16 0 1 0 107517234 13688832 672 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961496674 0 0 4224 16384 18446744071563648864 0 0 17 1 0 0
/proc/1321/statm: 3342 672 324 3 0 442 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 13368

[startup+1.50131 s]
/proc/loadavg: 0.92 1.01 0.99 2/80 1324
/proc/meminfo: memFree=1642344/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13368 CPUtime=0.1
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 720 0 0 0 10 0 0 0 16 0 1 0 107517234 13688832 672 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961496674 0 0 4224 16384 18446744071563648864 0 0 17 1 0 0
/proc/1321/statm: 3342 672 324 3 0 442 0
[pid=1323] ppid=1321 vsize=5352 CPUtime=0
/proc/1323/stat : 1323 (sh) S 1321 1321 974 0 -1 4194304 276 0 0 0 0 0 0 0 18 0 1 0 107517246 5480448 229 18446744073709551615 4194304 4889804 548682069312 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1323/statm: 1338 229 193 169 0 49 0
[pid=1324] ppid=1323 vsize=13364 CPUtime=1.37
/proc/1324/stat : 1324 (pb2clasp1) R 1323 1321 974 0 -1 4194304 733 0 0 0 137 0 0 0 25 0 1 0 107517246 13684736 695 18446744073709551615 4194304 4206940 548682069360 18446744073709551615 273952478612 0 0 4224 0 0 0 0 17 1 0 0
/proc/1324/statm: 3341 695 340 3 0 441 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 32084

[startup+3.10263 s]
/proc/loadavg: 0.92 1.01 0.99 2/80 1324
/proc/meminfo: memFree=1641576/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13368 CPUtime=0.1
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 720 0 0 0 10 0 0 0 16 0 1 0 107517234 13688832 672 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961496674 0 0 4224 16384 18446744071563648864 0 0 17 1 0 0
/proc/1321/statm: 3342 672 324 3 0 442 0
[pid=1323] ppid=1321 vsize=5352 CPUtime=0
/proc/1323/stat : 1323 (sh) S 1321 1321 974 0 -1 4194304 276 0 0 0 0 0 0 0 18 0 1 0 107517246 5480448 229 18446744073709551615 4194304 4889804 548682069312 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1323/statm: 1338 229 193 169 0 49 0
[pid=1324] ppid=1323 vsize=13816 CPUtime=2.98
/proc/1324/stat : 1324 (pb2clasp1) R 1323 1321 974 0 -1 4194304 836 0 0 0 297 1 0 0 25 0 1 0 107517246 14147584 798 18446744073709551615 4194304 4206940 548682069360 18446744073709551615 273966748954 0 0 4224 0 0 0 0 17 1 0 0
/proc/1324/statm: 3454 798 340 3 0 554 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 32536

[startup+6.30128 s]
/proc/loadavg: 0.93 1.01 0.99 2/80 1339
/proc/meminfo: memFree=1628064/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13628 CPUtime=4.04
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 1150 6618 0 0 12 0 385 7 16 0 1 0 107517234 13955072 759 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961500564 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/1321/statm: 3407 759 343 3 0 507 0
[pid=1337] ppid=1321 vsize=5352 CPUtime=0
/proc/1337/stat : 1337 (sh) S 1321 1321 974 0 -1 4194304 288 121 0 0 0 0 0 0 16 0 1 0 107517659 5480448 224 18446744073709551615 4194304 4889804 548682069264 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1337/statm: 1338 224 188 169 0 49 0
[pid=1339] ppid=1337 vsize=15080 CPUtime=2.04
/proc/1339/stat : 1339 (clasp-1.0) R 1337 1321 974 0 -1 4194304 3379 0 0 0 203 1 0 0 25 0 1 0 107517659 15441920 3327 18446744073709551615 134512640 134847168 4294956800 18446744073709551615 134742250 0 0 4096 0 0 0 0 17 1 0 0
/proc/1339/statm: 3770 3327 249 81 0 3144 0
Current children cumulated CPU time (s) 6.08
Current children cumulated vsize (KiB) 34060

[startup+12.7016 s]
/proc/loadavg: 0.94 1.01 0.99 2/80 1339
/proc/meminfo: memFree=1627744/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13628 CPUtime=4.04
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 1150 6618 0 0 12 0 385 7 16 0 1 0 107517234 13955072 759 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961500564 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/1321/statm: 3407 759 343 3 0 507 0
[pid=1337] ppid=1321 vsize=5352 CPUtime=0
/proc/1337/stat : 1337 (sh) S 1321 1321 974 0 -1 4194304 288 121 0 0 0 0 0 0 16 0 1 0 107517659 5480448 224 18446744073709551615 4194304 4889804 548682069264 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1337/statm: 1338 224 188 169 0 49 0
[pid=1339] ppid=1337 vsize=15340 CPUtime=8.43
/proc/1339/stat : 1339 (clasp-1.0) R 1337 1321 974 0 -1 4194304 3445 0 0 0 842 1 0 0 25 0 1 0 107517659 15708160 3393 18446744073709551615 134512640 134847168 4294956800 18446744073709551615 134735902 0 0 4096 0 0 0 0 17 1 0 0
/proc/1339/statm: 3835 3393 249 81 0 3209 0
Current children cumulated CPU time (s) 12.47
Current children cumulated vsize (KiB) 34320

[startup+25.5011 s]
/proc/loadavg: 0.95 1.01 0.99 2/80 1339
/proc/meminfo: memFree=1625960/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13628 CPUtime=4.04
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 1150 6618 0 0 12 0 385 7 16 0 1 0 107517234 13955072 759 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961500564 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/1321/statm: 3407 759 343 3 0 507 0
[pid=1337] ppid=1321 vsize=5352 CPUtime=0
/proc/1337/stat : 1337 (sh) S 1321 1321 974 0 -1 4194304 288 121 0 0 0 0 0 0 16 0 1 0 107517659 5480448 224 18446744073709551615 4194304 4889804 548682069264 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1337/statm: 1338 224 188 169 0 49 0
[pid=1339] ppid=1337 vsize=17204 CPUtime=21.23
/proc/1339/stat : 1339 (clasp-1.0) R 1337 1321 974 0 -1 4194304 3901 0 0 0 2122 1 0 0 25 0 1 0 107517659 17616896 3849 18446744073709551615 134512640 134847168 4294956800 18446744073709551615 134789717 0 0 4096 0 0 0 0 17 1 0 0
/proc/1339/statm: 4301 3849 249 81 0 3675 0
Current children cumulated CPU time (s) 25.27
Current children cumulated vsize (KiB) 36184

[startup+51.1013 s]
/proc/loadavg: 0.97 1.01 0.99 2/80 1339
/proc/meminfo: memFree=1624104/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13628 CPUtime=4.04
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 1150 6618 0 0 12 0 385 7 16 0 1 0 107517234 13955072 759 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961500564 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/1321/statm: 3407 759 343 3 0 507 0
[pid=1337] ppid=1321 vsize=5352 CPUtime=0
/proc/1337/stat : 1337 (sh) S 1321 1321 974 0 -1 4194304 288 121 0 0 0 0 0 0 16 0 1 0 107517659 5480448 224 18446744073709551615 4194304 4889804 548682069264 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1337/statm: 1338 224 188 169 0 49 0
[pid=1339] ppid=1337 vsize=19228 CPUtime=46.82
/proc/1339/stat : 1339 (clasp-1.0) R 1337 1321 974 0 -1 4194304 4405 0 0 0 4680 2 0 0 25 0 1 0 107517659 19689472 4353 18446744073709551615 134512640 134847168 4294956800 18446744073709551615 134784610 0 0 4096 0 0 0 0 17 1 0 0
/proc/1339/statm: 4807 4353 249 81 0 4181 0
Current children cumulated CPU time (s) 50.86
Current children cumulated vsize (KiB) 38208

[startup+102.302 s]
/proc/loadavg: 0.98 1.00 0.99 2/80 1339
/proc/meminfo: memFree=1621416/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13628 CPUtime=4.04
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 1150 6618 0 0 12 0 385 7 16 0 1 0 107517234 13955072 759 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961500564 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/1321/statm: 3407 759 343 3 0 507 0
[pid=1337] ppid=1321 vsize=5352 CPUtime=0
/proc/1337/stat : 1337 (sh) S 1321 1321 974 0 -1 4194304 288 121 0 0 0 0 0 0 16 0 1 0 107517659 5480448 224 18446744073709551615 4194304 4889804 548682069264 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1337/statm: 1338 224 188 169 0 49 0
[pid=1339] ppid=1337 vsize=21904 CPUtime=98.01
/proc/1339/stat : 1339 (clasp-1.0) R 1337 1321 974 0 -1 4194304 5060 0 0 0 9798 3 0 0 25 0 1 0 107517659 22429696 5008 18446744073709551615 134512640 134847168 4294956800 18446744073709551615 134617539 0 0 4096 0 0 0 0 17 1 0 0
/proc/1339/statm: 5476 5008 249 81 0 4850 0
Current children cumulated CPU time (s) 102.05
Current children cumulated vsize (KiB) 40884

[startup+162.302 s]
/proc/loadavg: 0.99 1.00 0.99 2/80 1339
/proc/meminfo: memFree=1618408/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13628 CPUtime=4.04
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 1150 6618 0 0 12 0 385 7 16 0 1 0 107517234 13955072 759 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961500564 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/1321/statm: 3407 759 343 3 0 507 0
[pid=1337] ppid=1321 vsize=5352 CPUtime=0
/proc/1337/stat : 1337 (sh) S 1321 1321 974 0 -1 4194304 288 121 0 0 0 0 0 0 16 0 1 0 107517659 5480448 224 18446744073709551615 4194304 4889804 548682069264 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1337/statm: 1338 224 188 169 0 49 0
[pid=1339] ppid=1337 vsize=25160 CPUtime=157.98
/proc/1339/stat : 1339 (clasp-1.0) R 1337 1321 974 0 -1 4194304 5807 0 0 0 15794 4 0 0 25 0 1 0 107517659 25763840 5755 18446744073709551615 134512640 134847168 4294956800 18446744073709551615 134784608 0 0 4096 0 0 0 0 17 1 0 0
/proc/1339/statm: 6290 5755 249 81 0 5664 0
Current children cumulated CPU time (s) 162.02
Current children cumulated vsize (KiB) 44140

[startup+222.306 s]
/proc/loadavg: 0.99 1.00 0.99 2/80 1339
/proc/meminfo: memFree=1616936/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13628 CPUtime=4.04
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 1150 6618 0 0 12 0 385 7 16 0 1 0 107517234 13955072 759 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961500564 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/1321/statm: 3407 759 343 3 0 507 0
[pid=1337] ppid=1321 vsize=5352 CPUtime=0
/proc/1337/stat : 1337 (sh) S 1321 1321 974 0 -1 4194304 288 121 0 0 0 0 0 0 16 0 1 0 107517659 5480448 224 18446744073709551615 4194304 4889804 548682069264 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1337/statm: 1338 224 188 169 0 49 0
[pid=1339] ppid=1337 vsize=26768 CPUtime=217.96
/proc/1339/stat : 1339 (clasp-1.0) R 1337 1321 974 0 -1 4194304 6180 0 0 0 21791 5 0 0 25 0 1 0 107517659 27410432 6128 18446744073709551615 134512640 134847168 4294956800 18446744073709551615 134714453 0 0 4096 0 0 0 0 17 1 0 0
/proc/1339/statm: 6692 6128 249 81 0 6066 0
Current children cumulated CPU time (s) 222
Current children cumulated vsize (KiB) 45748

[startup+282.303 s]
/proc/loadavg: 0.99 1.00 0.99 2/80 1339
/proc/meminfo: memFree=1616040/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13628 CPUtime=4.04
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 1150 6618 0 0 12 0 385 7 16 0 1 0 107517234 13955072 759 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961500564 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/1321/statm: 3407 759 343 3 0 507 0
[pid=1337] ppid=1321 vsize=5352 CPUtime=0
/proc/1337/stat : 1337 (sh) S 1321 1321 974 0 -1 4194304 288 121 0 0 0 0 0 0 16 0 1 0 107517659 5480448 224 18446744073709551615 4194304 4889804 548682069264 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1337/statm: 1338 224 188 169 0 49 0

################
# More data... #
################

/proc/1337/statm: 1338 224 188 169 0 49 0
[pid=1339] ppid=1337 vsize=45796 CPUtime=1597.47
/proc/1339/stat : 1339 (clasp-1.0) R 1337 1321 974 0 -1 4194304 10899 0 0 0 159729 18 0 0 25 0 1 0 107517659 46895104 10614 18446744073709551615 134512640 134847168 4294956800 18446744073709551615 134616619 0 0 4096 0 0 0 0 17 1 0 0
/proc/1339/statm: 11449 10614 249 81 0 10823 0
Current children cumulated CPU time (s) 1601.51
Current children cumulated vsize (KiB) 64776

[startup+1662.3 s]
/proc/loadavg: 1.00 1.00 1.00 2/80 1341
/proc/meminfo: memFree=1598632/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13628 CPUtime=4.04
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 1150 6618 0 0 12 0 385 7 16 0 1 0 107517234 13955072 759 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961500564 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/1321/statm: 3407 759 343 3 0 507 0
[pid=1337] ppid=1321 vsize=5352 CPUtime=0
/proc/1337/stat : 1337 (sh) S 1321 1321 974 0 -1 4194304 288 121 0 0 0 0 0 0 16 0 1 0 107517659 5480448 224 18446744073709551615 4194304 4889804 548682069264 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1337/statm: 1338 224 188 169 0 49 0
[pid=1339] ppid=1337 vsize=45988 CPUtime=1657.46
/proc/1339/stat : 1339 (clasp-1.0) R 1337 1321 974 0 -1 4194304 10960 0 0 0 165727 19 0 0 25 0 1 0 107517659 47091712 10675 18446744073709551615 134512640 134847168 4294956800 18446744073709551615 134616350 0 0 4096 0 0 0 0 17 1 0 0
/proc/1339/statm: 11497 10675 249 81 0 10871 0
Current children cumulated CPU time (s) 1661.5
Current children cumulated vsize (KiB) 64968

[startup+1722.3 s]
/proc/loadavg: 1.00 1.00 1.00 2/80 1341
/proc/meminfo: memFree=1596648/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13628 CPUtime=4.04
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 1150 6618 0 0 12 0 385 7 16 0 1 0 107517234 13955072 759 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961500564 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/1321/statm: 3407 759 343 3 0 507 0
[pid=1337] ppid=1321 vsize=5352 CPUtime=0
/proc/1337/stat : 1337 (sh) S 1321 1321 974 0 -1 4194304 288 121 0 0 0 0 0 0 16 0 1 0 107517659 5480448 224 18446744073709551615 4194304 4889804 548682069264 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1337/statm: 1338 224 188 169 0 49 0
[pid=1339] ppid=1337 vsize=47916 CPUtime=1717.43
/proc/1339/stat : 1339 (clasp-1.0) R 1337 1321 974 0 -1 4194304 11473 0 0 0 171724 19 0 0 25 0 1 0 107517659 49065984 11148 18446744073709551615 134512640 134847168 4294956800 18446744073709551615 134616619 0 0 4096 0 0 0 0 17 1 0 0
/proc/1339/statm: 11979 11148 249 81 0 11353 0
Current children cumulated CPU time (s) 1721.47
Current children cumulated vsize (KiB) 66896

[startup+1782.3 s]
/proc/loadavg: 1.00 1.00 1.00 2/80 1341
/proc/meminfo: memFree=1597480/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13628 CPUtime=4.04
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 1150 6618 0 0 12 0 385 7 16 0 1 0 107517234 13955072 759 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961500564 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/1321/statm: 3407 759 343 3 0 507 0
[pid=1337] ppid=1321 vsize=5352 CPUtime=0
/proc/1337/stat : 1337 (sh) S 1321 1321 974 0 -1 4194304 288 121 0 0 0 0 0 0 16 0 1 0 107517659 5480448 224 18446744073709551615 4194304 4889804 548682069264 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1337/statm: 1338 224 188 169 0 49 0
[pid=1339] ppid=1337 vsize=46980 CPUtime=1777.41
/proc/1339/stat : 1339 (clasp-1.0) R 1337 1321 974 0 -1 4194304 11474 0 0 0 177721 20 0 0 25 0 1 0 107517659 48107520 10915 18446744073709551615 134512640 134847168 4294956800 18446744073709551615 134616619 0 0 4096 0 0 0 0 17 1 0 0
/proc/1339/statm: 11745 10915 249 81 0 11119 0
Current children cumulated CPU time (s) 1781.45
Current children cumulated vsize (KiB) 65960



Maximum CPU time exceeded: sending SIGTERM then SIGKILL

[startup+1800.9 s]
/proc/loadavg: 1.00 1.00 1.00 2/80 1341
/proc/meminfo: memFree=1597224/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13628 CPUtime=4.04
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 1150 6618 0 0 12 0 385 7 16 0 1 0 107517234 13955072 759 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961500564 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/1321/statm: 3407 759 343 3 0 507 0
[pid=1337] ppid=1321 vsize=5352 CPUtime=0
/proc/1337/stat : 1337 (sh) S 1321 1321 974 0 -1 4194304 288 121 0 0 0 0 0 0 16 0 1 0 107517659 5480448 224 18446744073709551615 4194304 4889804 548682069264 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1337/statm: 1338 224 188 169 0 49 0
[pid=1339] ppid=1337 vsize=47556 CPUtime=1796
/proc/1339/stat : 1339 (clasp-1.0) R 1337 1321 974 0 -1 4194304 11582 0 0 0 179580 20 0 0 25 0 1 0 107517659 48697344 11023 18446744073709551615 134512640 134847168 4294956800 18446744073709551615 134616619 0 0 4096 0 0 0 0 17 1 0 0
/proc/1339/statm: 11889 11023 249 81 0 11263 0
Current children cumulated CPU time (s) 1800.04
Current children cumulated vsize (KiB) 66536

Sending SIGTERM to process tree (bottom up)
Sleeping 2 seconds

[startup+1800.9 s]
/proc/loadavg: 1.00 1.00 1.00 2/80 1341
/proc/meminfo: memFree=1597224/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13628 CPUtime=4.04
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 1150 6618 0 0 12 0 385 7 16 0 1 0 107517234 13955072 759 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961500564 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/1321/statm: 3407 759 343 3 0 507 0
[pid=1337] ppid=1321 vsize=5352 CPUtime=0
/proc/1337/stat : 1337 (sh) S 1321 1321 974 0 -1 4194304 288 121 0 0 0 0 0 0 16 0 1 0 107517659 5480448 224 18446744073709551615 4194304 4889804 548682069264 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1337/statm: 1338 224 188 169 0 49 0
[pid=1339] ppid=1337 vsize=47556 CPUtime=1796
/proc/1339/stat : 1339 (clasp-1.0) R 1337 1321 974 0 -1 4194304 11582 0 0 0 179580 20 0 0 25 0 1 0 107517659 48697344 11023 18446744073709551615 134512640 134847168 4294956800 18446744073709551615 134616619 0 0 4096 0 0 0 0 17 1 0 0
/proc/1339/statm: 11889 11023 249 81 0 11263 0
Current children cumulated CPU time (s) 1800.04
Current children cumulated vsize (KiB) 66536

# WARNING:
# current cumulated CPU time (4.07 s) is less than in the last sample (1800.04 s)
# The time of a child was probably not reported to its father.
# (see the samples just above and below)
# Adding the difference (1795.97 s) to the 'lost time'.

[startup+1801.02 s]
/proc/loadavg: 1.00 1.00 1.00 2/80 1341
/proc/meminfo: memFree=1597224/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13628 CPUtime=4.07
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 1319 8399 0 0 12 0 385 10 16 0 1 0 107517234 13955072 760 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961500564 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/1321/statm: 3407 760 343 3 0 507 0
Current children cumulated CPU time (s) 4.07
Current children cumulated vsize (KiB) 13628

Sending SIGKILL to process tree (bottom up)

Solver just ended. Dumping a history of the last processes samples

[startup+1801.5 s]
/proc/loadavg: 1.00 1.00 1.00 2/80 1341
/proc/meminfo: memFree=1597224/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13628 CPUtime=4.07
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 1319 8399 0 0 12 0 385 10 16 0 1 0 107517234 13955072 760 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961500564 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/1321/statm: 3407 760 343 3 0 507 0
Current children cumulated CPU time (s) 4.07
Current children cumulated vsize (KiB) 13628

[startup+1802.3 s]
/proc/loadavg: 1.00 1.00 1.00 2/81 1352
/proc/meminfo: memFree=1627936/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13628 CPUtime=4.07
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 1319 8399 0 0 12 0 385 10 16 0 1 0 107517234 13955072 760 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961500564 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/1321/statm: 3407 760 343 3 0 507 0
[pid=1350] ppid=1321 vsize=5352 CPUtime=0
/proc/1350/stat : 1350 (sh) S 1321 1321 974 0 -1 4194304 288 121 0 0 0 0 0 0 16 0 1 0 107697329 5480448 224 18446744073709551615 4194304 4889804 548682069264 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1350/statm: 1338 224 188 169 0 49 0
[pid=1352] ppid=1350 vsize=15080 CPUtime=1.33
/proc/1352/stat : 1352 (clasp-1.0) R 1350 1321 974 0 -1 4194304 3379 0 0 0 132 1 0 0 25 0 1 0 107697329 15441920 3327 18446744073709551615 134512640 134847168 4294956800 18446744073709551615 134737633 0 0 4096 0 0 0 0 17 1 0 0
/proc/1352/statm: 3770 3327 249 81 0 3144 0
Current children cumulated CPU time (s) 5.4
Current children cumulated vsize (KiB) 34060

[startup+1802.7 s]
/proc/loadavg: 1.00 1.00 1.00 2/81 1352
/proc/meminfo: memFree=1627936/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13628 CPUtime=4.07
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 1319 8399 0 0 12 0 385 10 16 0 1 0 107517234 13955072 760 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961500564 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/1321/statm: 3407 760 343 3 0 507 0
[pid=1350] ppid=1321 vsize=5352 CPUtime=0
/proc/1350/stat : 1350 (sh) S 1321 1321 974 0 -1 4194304 288 121 0 0 0 0 0 0 16 0 1 0 107697329 5480448 224 18446744073709551615 4194304 4889804 548682069264 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1350/statm: 1338 224 188 169 0 49 0
[pid=1352] ppid=1350 vsize=15080 CPUtime=1.73
/proc/1352/stat : 1352 (clasp-1.0) R 1350 1321 974 0 -1 4194304 3379 0 0 0 172 1 0 0 25 0 1 0 107697329 15441920 3327 18446744073709551615 134512640 134847168 4294956800 18446744073709551615 134617491 0 0 4096 0 0 0 0 17 1 0 0
/proc/1352/statm: 3770 3327 249 81 0 3144 0
Current children cumulated CPU time (s) 5.8
Current children cumulated vsize (KiB) 34060

[startup+1802.9 s]
/proc/loadavg: 1.00 1.00 1.00 2/81 1352
/proc/meminfo: memFree=1627936/2055920 swapFree=4159876/4192956
[pid=1321] ppid=1319 vsize=13628 CPUtime=4.07
/proc/1321/stat : 1321 (pbclasp) S 1319 1321 974 0 -1 4194304 1319 8399 0 0 12 0 385 10 16 0 1 0 107517234 13955072 760 18446744073709551615 4194304 4206940 548682069264 18446744073709551615 273961500564 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/1321/statm: 3407 760 343 3 0 507 0
[pid=1350] ppid=1321 vsize=5352 CPUtime=0
/proc/1350/stat : 1350 (sh) S 1321 1321 974 0 -1 4194304 288 121 0 0 0 0 0 0 16 0 1 0 107697329 5480448 224 18446744073709551615 4194304 4889804 548682069264 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1350/statm: 1338 224 188 169 0 49 0
[pid=1352] ppid=1350 vsize=15080 CPUtime=1.94
/proc/1352/stat : 1352 (clasp-1.0) R 1350 1321 974 0 -1 4194304 3379 0 0 0 193 1 0 0 25 0 1 0 107697329 15441920 3327 18446744073709551615 134512640 134847168 4294956800 18446744073709551615 134784800 0 0 4096 0 0 0 0 17 1 0 0
/proc/1352/statm: 3770 3327 249 81 0 3144 0
Current children cumulated CPU time (s) 6.01
Current children cumulated vsize (KiB) 34060

Child status: 0

# WARNING:
# The CPU time of some children was not reported to their father
# (probably because of a missing or aborted wait()).
# This 'lost CPU time' is added to the watched process CPU time.
#  lost CPU time (s): 1795.97
#  lost CPU user time (s): 1795.8
#  lost CPU system time (s): 0.17

Real time (s): 1802.93
CPU time (s): 1802.04
CPU user time (s): 1801.73
CPU system time (s): 0.311978
CPU usage (%): 99.9509
Max. virtual memory (cumulated for all children) (KiB): 67112

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.9311
system time used= 0.141978
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 13856
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= 1444
involuntary context switches= 127

runsolver used 1.82672 second user time and 4.74328 second system time

The end

Launcher Data (download as text)

Begin job on node20 on Sun Apr 15 00:13:19 UTC 2007

IDJOB= 351334
IDBENCH= 1723
IDSOLVER= 167
FILE ID= node20/351334-1176595999

PBS_JOBID= 4556987

Free space on /tmp= 66563 MiB

SOLVER NAME= PB-clasp 2007-03-23
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/ftp.netlib.org/lp/data/normalized-reduced-mps-v2-20-10-beaconfd.opb
COMMAND LINE= pbclasp instance-351334-1176595999.opb /tmp/evaluation/351334-1176595999/temp
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node20/convwatcher-351334-1176595999 -o ROOT/results/node20/conversion-351334-1176595999 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/351334-1176595999/instance-351334-1176595999.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node20/watcher-351334-1176595999 -o ROOT/results/node20/solver-351334-1176595999 -C 1800 -W 3600 -M 1800 --output-limit 1,15  pbclasp instance-351334-1176595999.opb /tmp/evaluation/351334-1176595999/temp

META MD5SUM SOLVER= 1e5f480786d97be718f2223f2ffb5f36
MD5SUM BENCH=  6927d145bd65464e16bb11d2b0c90152

RANDOM SEED= 83882510

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node20.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		: 3000.265
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		: 3000.265
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:       1646552 kB
Buffers:         59048 kB
Cached:         262096 kB
SwapCached:      15252 kB
Active:         196804 kB
Inactive:       151264 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1646552 kB
SwapTotal:     4192956 kB
SwapFree:      4159876 kB
Dirty:            1444 kB
Writeback:           0 kB
Mapped:          36832 kB
Slab:            46996 kB
Committed_AS:   680904 kB
PageTables:       1688 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= 66560 MiB

End job on node20 on Sun Apr 15 00:43:22 UTC 2007