Trace number 1806708

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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 NameAnswerCPU timeWall clock time
ReVivAl 0.23 2009-03-18SAT 7.8698 7.87775

General information on the benchmark

NameCRAFTED/
edgematching/all/em_7_4_9_all.cnf
MD5SUMd78c1359306a87fe47f1b830ca255359
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark7.8698
Satisfiable
(Un)Satisfiability was proved
Number of variables1677
Number of clauses40187
Sum of the clauses size98603
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 228680
Number of clauses of size 38650
Number of clauses of size 4832
Number of clauses of size 51875
Number of clauses of size over 5150

Solver Data

0.00/0.00	c revival is preprocessing the formula...#ITERATIONS 11
5.69/5.72	#LEARNT CLAUSES 295
5.69/5.75	done !
5.69/5.75	c Calling MINISAT
5.69/5.75	This is MiniSat 2.0 beta
5.69/5.75	WARNING: for repeatability, setting FPU to use double precision
5.69/5.75	============================[ Problem Statistics ]=============================
5.69/5.75	|                                                                             |
5.69/5.75	|  Number of variables:  1677                                                 |
5.69/5.75	|  Number of clauses:    38446                                                |
5.69/5.77	|  Parsing time:         0.01         s                                       |
5.69/5.77	============================[ Search Statistics ]==============================
5.69/5.77	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
5.69/5.77	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
5.69/5.77	===============================================================================
5.69/5.77	|         0 |    1597    38366    92786 |    12788        0    nan |  0.000 % |
5.69/5.77	|       100 |    1597    38366    92786 |    14067      100     26 |  4.770 % |
5.69/5.78	|       250 |    1597    38366    92786 |    15474      250     23 |  4.770 % |
5.69/5.79	|       476 |    1597    38366    92786 |    17021      476     32 |  4.770 % |
5.74/5.81	|       814 |    1597    38366    92786 |    18723      814     34 |  4.770 % |
5.74/5.83	|      1321 |    1597    38366    92786 |    20596     1321     37 |  4.770 % |
5.74/5.88	|      2081 |    1597    38366    92786 |    22655     2081     41 |  4.771 % |
5.74/5.96	|      3220 |    1597    38366    92786 |    24921     3220     45 |  4.770 % |
5.74/6.10	|      4929 |    1597    38366    92786 |    27413     4929     48 |  4.770 % |
5.74/6.35	|      7491 |    1597    38366    92786 |    30155     7491     50 |  4.770 % |
6.77/6.85	|     11337 |    1597    38366    92786 |    33170    11337     54 |  4.770 % |
7.67/7.79	|     17103 |    1597    38366    92786 |    36487    17103     54 |  4.770 % |
7.77/7.87	===============================================================================
7.77/7.87	restarts              : 12
7.77/7.87	conflicts             : 17597          (8361 /sec)
7.77/7.87	decisions             : 68126          (1.70 % random) (32369 /sec)
7.77/7.87	propagations          : 1743268        (828282 /sec)
7.77/7.87	conflict literals     : 949543         (22.09 % deleted)
7.77/7.87	Memory used           : 7.97 MB
7.77/7.87	CPU time              : 2.10468 s
7.77/7.87	
7.77/7.87	SATISFIABLE
7.77/7.87	s SATISFIABLE
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Verifier Data

OK

Watcher Data

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1806708-1242151736/watcher-1806708-1242151736 -o /tmp/evaluation-result-1806708-1242151736/solver-1806708-1242151736 -C 1200 -W 1800 -M 1800 HOME/run.sh HOME/instance-1806708-1242151736.cnf HOME 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1800 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.00 0.95 3/65 27703
/proc/meminfo: memFree=1366440/2055920 swapFree=4181612/4192956
[pid=27703] ppid=27701 vsize=5360 CPUtime=0
/proc/27703/stat : 27703 (run.sh) S 27701 27703 27234 0 -1 4194304 286 0 0 0 0 0 0 0 19 0 1 0 243202657 5488640 237 1992294400 4194304 4889804 548682068784 18446744073709551615 251601150788 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/27703/statm: 1340 237 196 169 0 51 0
[pid=27704] ppid=27703 vsize=2124 CPUtime=0
/proc/27704/stat : 27704 (revival) R 27703 27703 27234 0 -1 4194304 262 0 0 0 0 0 0 0 20 0 1 0 243202657 2174976 230 1992294400 134512640 134537284 4294956368 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 0 0 0
/proc/27704/statm: 531 237 81 6 0 169 0

[startup+0.0314181 s]
/proc/loadavg: 1.00 1.00 0.95 3/65 27703
/proc/meminfo: memFree=1366440/2055920 swapFree=4181612/4192956
[pid=27703] ppid=27701 vsize=5360 CPUtime=0
/proc/27703/stat : 27703 (run.sh) S 27701 27703 27234 0 -1 4194304 286 0 0 0 0 0 0 0 19 0 1 0 243202657 5488640 237 1992294400 4194304 4889804 548682068784 18446744073709551615 251601150788 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/27703/statm: 1340 237 196 169 0 51 0
[pid=27704] ppid=27703 vsize=3108 CPUtime=0.02
/proc/27704/stat : 27704 (revival) R 27703 27703 27234 0 -1 4194304 658 0 0 0 2 0 0 0 20 0 1 50000 243202657 3182592 479 1992294400 134512640 134537284 4294956368 18446744073709551615 134524101 0 0 4096 8192 0 0 0 17 0 0 0
/proc/27704/statm: 777 479 85 6 0 415 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 8468

[startup+0.101425 s]
/proc/loadavg: 1.00 1.00 0.95 3/65 27703
/proc/meminfo: memFree=1366440/2055920 swapFree=4181612/4192956
[pid=27703] ppid=27701 vsize=5360 CPUtime=0
/proc/27703/stat : 27703 (run.sh) S 27701 27703 27234 0 -1 4194304 286 0 0 0 0 0 0 0 19 0 1 0 243202657 5488640 237 1992294400 4194304 4889804 548682068784 18446744073709551615 251601150788 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/27703/statm: 1340 237 196 169 0 51 0
[pid=27704] ppid=27703 vsize=3108 CPUtime=0.09
/proc/27704/stat : 27704 (revival) R 27703 27703 27234 0 -1 4194304 665 0 0 0 9 0 0 0 20 0 1 50000 243202657 3182592 486 1992294400 134512640 134537284 4294956368 18446744073709551615 134523727 0 0 4096 8192 0 0 0 17 0 0 0
/proc/27704/statm: 777 486 85 6 0 415 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8468

[startup+0.301447 s]
/proc/loadavg: 1.00 1.00 0.95 3/65 27703
/proc/meminfo: memFree=1366440/2055920 swapFree=4181612/4192956
[pid=27703] ppid=27701 vsize=5360 CPUtime=0
/proc/27703/stat : 27703 (run.sh) S 27701 27703 27234 0 -1 4194304 286 0 0 0 0 0 0 0 19 0 1 0 243202657 5488640 237 1992294400 4194304 4889804 548682068784 18446744073709551615 251601150788 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/27703/statm: 1340 237 196 169 0 51 0
[pid=27704] ppid=27703 vsize=3372 CPUtime=0.29
/proc/27704/stat : 27704 (revival) R 27703 27703 27234 0 -1 4194304 723 0 0 0 29 0 0 0 22 0 1 50000 243202657 3452928 544 1992294400 134512640 134537284 4294956368 18446744073709551615 134524029 0 0 4096 8192 0 0 0 17 0 0 0
/proc/27704/statm: 843 544 85 6 0 481 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8732

[startup+0.701492 s]
/proc/loadavg: 1.00 1.00 0.95 3/65 27703
/proc/meminfo: memFree=1366440/2055920 swapFree=4181612/4192956
[pid=27703] ppid=27701 vsize=5360 CPUtime=0
/proc/27703/stat : 27703 (run.sh) S 27701 27703 27234 0 -1 4194304 286 0 0 0 0 0 0 0 19 0 1 0 243202657 5488640 237 1992294400 4194304 4889804 548682068784 18446744073709551615 251601150788 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/27703/statm: 1340 237 196 169 0 51 0
[pid=27704] ppid=27703 vsize=3768 CPUtime=0.69
/proc/27704/stat : 27704 (revival) R 27703 27703 27234 0 -1 4194304 825 0 0 0 69 0 0 0 25 0 1 50000 243202657 3858432 646 1992294400 134512640 134537284 4294956368 18446744073709551615 134523727 0 0 4096 8192 0 0 0 17 0 0 0
/proc/27704/statm: 942 646 85 6 0 580 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9128

[startup+1.50158 s]
/proc/loadavg: 1.00 1.00 0.95 2/67 27705
/proc/meminfo: memFree=1363416/2055920 swapFree=4181612/4192956
[pid=27703] ppid=27701 vsize=5360 CPUtime=0
/proc/27703/stat : 27703 (run.sh) S 27701 27703 27234 0 -1 4194304 286 0 0 0 0 0 0 0 19 0 1 0 243202657 5488640 237 1992294400 4194304 4889804 548682068784 18446744073709551615 251601150788 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/27703/statm: 1340 237 196 169 0 51 0
[pid=27704] ppid=27703 vsize=4824 CPUtime=1.49
/proc/27704/stat : 27704 (revival) R 27703 27703 27234 0 -1 4194304 1106 0 0 0 149 0 0 0 25 0 1 50000 243202657 4939776 927 1992294400 134512640 134537284 4294956368 18446744073709551615 134523948 0 0 4096 8192 0 0 0 17 0 0 0
/proc/27704/statm: 1206 927 85 6 0 844 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10184

[startup+3.10176 s]
/proc/loadavg: 1.00 1.00 0.95 2/67 27705
/proc/meminfo: memFree=1361880/2055920 swapFree=4181612/4192956
[pid=27703] ppid=27701 vsize=5360 CPUtime=0
/proc/27703/stat : 27703 (run.sh) S 27701 27703 27234 0 -1 4194304 286 0 0 0 0 0 0 0 19 0 1 0 243202657 5488640 237 1992294400 4194304 4889804 548682068784 18446744073709551615 251601150788 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/27703/statm: 1340 237 196 169 0 51 0
[pid=27704] ppid=27703 vsize=6804 CPUtime=3.09
/proc/27704/stat : 27704 (revival) R 27703 27703 27234 0 -1 4194304 1600 0 0 0 308 1 0 0 25 0 1 50000 243202657 6967296 1421 1992294400 134512640 134537284 4294956368 18446744073709551615 134524280 0 0 4096 8192 0 0 0 17 0 0 0
/proc/27704/statm: 1701 1421 85 6 0 1339 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 12164

[startup+6.30112 s]
/proc/loadavg: 1.00 1.00 0.95 2/67 27705
/proc/meminfo: memFree=1357784/2055920 swapFree=4181612/4192956
[pid=27703] ppid=27701 vsize=5360 CPUtime=5.74
/proc/27703/stat : 27703 (run.sh) S 27701 27703 27234 0 -1 4194304 312 2417 0 0 0 0 572 2 19 0 1 0 243202657 5488640 238 1992294400 4194304 4889804 548682068784 18446744073709551615 251601150788 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/27703/statm: 1340 238 197 169 0 51 0
Current children cumulated CPU time (s) 5.74
Current children cumulated vsize (KiB) 5360

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

[startup+7.1012 s]
/proc/loadavg: 1.00 1.00 0.95 2/67 27706
/proc/meminfo: memFree=1360856/2055920 swapFree=4181612/4192956
[pid=27703] ppid=27701 vsize=5360 CPUtime=5.74
/proc/27703/stat : 27703 (run.sh) S 27701 27703 27234 0 -1 4194304 312 2417 0 0 0 0 572 2 19 0 1 0 243202657 5488640 238 1992294400 4194304 4889804 548682068784 18446744073709551615 251601150788 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/27703/statm: 1340 238 197 169 0 51 0
[pid=27706] ppid=27703 vsize=6972 CPUtime=1.33
/proc/27706/stat : 27706 (minisat) R 27703 27703 27234 0 -1 4194304 1509 0 0 0 133 0 0 0 25 0 1 0 243203232 7139328 1495 1992294400 134512640 135212939 4294956240 18446744073709551615 134527043 0 0 4096 3 0 0 0 17 0 0 0
/proc/27706/statm: 1743 1495 77 170 0 1571 0
Current children cumulated CPU time (s) 7.07
Current children cumulated vsize (KiB) 12332

[startup+7.50124 s]
/proc/loadavg: 1.00 1.00 0.95 2/67 27706
/proc/meminfo: memFree=1360856/2055920 swapFree=4181612/4192956
[pid=27703] ppid=27701 vsize=5360 CPUtime=5.74
/proc/27703/stat : 27703 (run.sh) S 27701 27703 27234 0 -1 4194304 312 2417 0 0 0 0 572 2 19 0 1 0 243202657 5488640 238 1992294400 4194304 4889804 548682068784 18446744073709551615 251601150788 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/27703/statm: 1340 238 197 169 0 51 0
[pid=27706] ppid=27703 vsize=7632 CPUtime=1.73
/proc/27706/stat : 27706 (minisat) R 27703 27703 27234 0 -1 4194304 1680 0 0 0 173 0 0 0 25 0 1 0 243203232 7815168 1666 1992294400 134512640 135212939 4294956240 18446744073709551615 134719078 0 0 4096 3 0 0 0 17 0 0 0
/proc/27706/statm: 1908 1666 77 170 0 1736 0
Current children cumulated CPU time (s) 7.47
Current children cumulated vsize (KiB) 12992

[startup+7.70527 s]
/proc/loadavg: 1.00 1.00 0.95 2/67 27706
/proc/meminfo: memFree=1358936/2055920 swapFree=4181612/4192956
[pid=27703] ppid=27701 vsize=5360 CPUtime=5.74
/proc/27703/stat : 27703 (run.sh) S 27701 27703 27234 0 -1 4194304 312 2417 0 0 0 0 572 2 19 0 1 0 243202657 5488640 238 1992294400 4194304 4889804 548682068784 18446744073709551615 251601150788 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/27703/statm: 1340 238 197 169 0 51 0
[pid=27706] ppid=27703 vsize=7896 CPUtime=1.93
/proc/27706/stat : 27706 (minisat) R 27703 27703 27234 0 -1 4194304 1753 0 0 0 193 0 0 0 25 0 1 0 243203232 8085504 1739 1992294400 134512640 135212939 4294956240 18446744073709551615 134526750 0 0 4096 3 0 0 0 17 0 0 0
/proc/27706/statm: 1974 1739 77 170 0 1802 0
Current children cumulated CPU time (s) 7.67
Current children cumulated vsize (KiB) 13256

[startup+7.80128 s]
/proc/loadavg: 1.00 1.00 0.95 2/67 27706
/proc/meminfo: memFree=1358936/2055920 swapFree=4181612/4192956
[pid=27703] ppid=27701 vsize=5360 CPUtime=5.74
/proc/27703/stat : 27703 (run.sh) S 27701 27703 27234 0 -1 4194304 312 2417 0 0 0 0 572 2 19 0 1 0 243202657 5488640 238 1992294400 4194304 4889804 548682068784 18446744073709551615 251601150788 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/27703/statm: 1340 238 197 169 0 51 0
[pid=27706] ppid=27703 vsize=8028 CPUtime=2.03
/proc/27706/stat : 27706 (minisat) R 27703 27703 27234 0 -1 4194304 1784 0 0 0 203 0 0 0 25 0 1 0 243203232 8220672 1770 1992294400 134512640 135212939 4294956240 18446744073709551615 134526685 0 0 4096 3 0 0 0 17 0 0 0
/proc/27706/statm: 2007 1770 77 170 0 1835 0
Current children cumulated CPU time (s) 7.77
Current children cumulated vsize (KiB) 13388

Child status: 10
Real time (s): 7.87775
CPU time (s): 7.8698
CPU user time (s): 7.83481
CPU system time (s): 0.034994
CPU usage (%): 99.8991
Max. virtual memory (cumulated for all children) (KiB): 15332

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.83481
system time used= 0.034994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4891
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= 17
involuntary context switches= 71

runsolver used 0.012998 second user time and 0.025996 second system time

The end

Launcher Data

Begin job on node91 at 2009-05-12 20:08:56
IDJOB=1806708
IDBENCH=70928
IDSOLVER=649
FILE ID=node91/1806708-1242151736
PBS_JOBID= 9289635
Free space on /tmp= 66236 MiB

SOLVER NAME= ReVivAl 0.23 2009-03-18
BENCH NAME= SAT09/CRAFTED/edgematching/all/em_7_4_9_all.cnf
COMMAND LINE= HOME/run.sh BENCHNAME TMPDIR
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1806708-1242151736/watcher-1806708-1242151736 -o /tmp/evaluation-result-1806708-1242151736/solver-1806708-1242151736 -C 1200 -W 1800 -M 1800  HOME/run.sh HOME/instance-1806708-1242151736.cnf HOME

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= d78c1359306a87fe47f1b830ca255359
RANDOM SEED=27552165

node91.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.241
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		: 3000.241
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1366984 kB
Buffers:         46760 kB
Cached:         563016 kB
SwapCached:       4876 kB
Active:          60472 kB
Inactive:       558044 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1366984 kB
SwapTotal:     4192956 kB
SwapFree:      4181612 kB
Dirty:            1992 kB
Writeback:           0 kB
Mapped:          15200 kB
Slab:            56332 kB
Committed_AS:   774576 kB
PageTables:       1356 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66232 MiB
End job on node91 at 2009-05-12 20:09:04