Trace number 422585

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 NameAnswerCPU timeWall clock time
SATzilla RANDOM? (exit code) 4999.09 5001.14

General information on the benchmark

Namerandom/OnTreshold/3SAT/v650/
unif-k3-r4.261-v650-c2769-S1518709554-16.UNSAT.shuffled.cnf
MD5SUM6b3d1cbdf485dde3109e6dfc6e20401f
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Satisfiable
(Un)Satisfiability was proved
Number of variables650
Number of clauses2769
Sum of the clauses size8307
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32769
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

10.73/10.88	c run March_dl for 5 seconds ... 
10.73/10.88	c Bin: Executing march_dl
10.73/10.88	c child exit by a signal
10.73/10.88	c march_dl returned code 137.
10.73/10.88	c run saps (UBCSAT implementation) for 2 seconds ... 
10.73/10.88	c Bin: Executing ubcsat2006
10.73/10.88	c child exited successfully
10.73/10.88	c ubcsat2006 returned code 0.
10.73/10.88	c satzilla computing base features
10.73/10.88	c satzilla doing unit-prop probe
10.73/10.88	c satzilla doing local search probe
10.73/10.88	c satzilla doing lobjois search-space size estimate
10.73/10.88	c satzilla's ranking:
10.73/10.88	c 1) kcnfs: 4.642282
10.73/10.88	c 2) march_dl: 4.859248
10.73/10.88	c 3) minisat20+P: 4.876348
10.73/10.88	c 4) kcnfs+P: 999.000000
10.73/10.88	c 5) march_dl+P: 999.000000
10.73/10.88	c 6) vallst+P: 999.000000
10.73/10.88	c 7) zchaff_rand+P: 999.000000
10.73/10.88	c 8) vallst: 999.000000
10.73/10.88	c 9) zchaff_rand: 999.000000
10.73/10.88	c 10) minisat20: 999.000000
10.73/10.88	c satzilla running kcnfs ... 
4999.02/5001.12	c Bin: Executing kcnfs
4999.02/5001.12	c child exit by a signal
4999.02/5001.12	c kcnfs returned code 137.
4999.02/5001.12	c kcnfs returned code 137.
4999.02/5001.12	c satzilla running march_dl ... 
4999.02/5001.12	c Bin: Executing march_dl
4999.02/5001.12	c march_dl returned code 1.
4999.02/5001.12	c march_dl returned code 1.
4999.02/5001.12	c satzilla running minisat20 with preprocessing ... 
4999.02/5001.13	c Preprocessing...
4999.02/5001.13	c Inital problem has 650 variables, 2769 nary clauses (0 binary clauses).
4999.02/5001.13	c Num non-binary clauses 2769, Average non-binary clause length 3.000
4999.02/5001.13	c Theory has no gaps
4999.02/5001.13	c Preprocessor runtime was 0.010 seconds.
4999.02/5001.13	c 
4999.02/5001.13	c Satisfiability of theory still undetermined.
4999.02/5001.13	c See file /tmp/hb9kDv for simplified theory.
4999.02/5001.13	c Bin: Executing minisat20
4999.02/5001.13	c minisat20 returned code 1.
4999.02/5001.13	c minisat20 returned code 1.
4999.02/5001.13	c satzilla running kcnfs with preprocessing ... 
4999.02/5001.13	c Bin: Executing kcnfs
4999.02/5001.13	c kcnfs returned code 1.
4999.02/5001.13	c kcnfs returned code 1.
4999.02/5001.13	c satzilla running march_dl with preprocessing ... 
4999.02/5001.13	c Bin: Executing march_dl
4999.02/5001.13	c march_dl returned code 1.
4999.02/5001.13	c march_dl returned code 1.
4999.02/5001.13	c satzilla running vallst with preprocessing ... 
4999.02/5001.13	c Bin: Executing vallst
4999.02/5001.13	c vallst returned code 1.
4999.02/5001.13	c vallst returned code 1.
4999.02/5001.13	c satzilla running zchaff_rand with preprocessing ... 
4999.02/5001.13	c Bin: Executing zchaff_rand
4999.02/5001.13	c zchaff_rand returned code 1.
4999.02/5001.13	c zchaff_rand returned code 1.
4999.02/5001.13	c satzilla running vallst ... 
4999.02/5001.13	c Bin: Executing vallst
4999.02/5001.13	c vallst returned code 1.
4999.02/5001.13	c vallst returned code 1.
4999.02/5001.13	c satzilla running zchaff_rand ... 
4999.02/5001.13	c Bin: Executing zchaff_rand
4999.02/5001.13	c zchaff_rand returned code 1.
4999.02/5001.13	c zchaff_rand returned code 1.
4999.02/5001.13	c satzilla running minisat20 ... 
4999.02/5001.13	c Bin: Executing minisat20
4999.02/5001.13	c minisat20 returned code 1.
4999.02/5001.13	c minisat20 returned code 1.
4999.02/5001.13	c ERROR: All Failed! 
4999.02/5001.13	c SATZILLA_TIME=4999.830000

Verifier Data (download as text)

ERROR: Unexpected answer ! (SATISFIABLE/UNSATISFIABLE expected)
Got answer: 

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node40/watcher-422585-1177569557 -o ROOT/results/node40/solver-422585-1177569557 -C 5000 -W 7500 -M 1800 --output-limit 1,15 /tmp/evaluation/422585-1177569557/SATzilla2007_R /tmp/evaluation/422585-1177569557/instance-422585-1177569557.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 7500 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: 0.00 0.00 0.00 3/77 6506
/proc/meminfo: memFree=1721840/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1440 CPUtime=0
/proc/6506/stat : 6506 (SATzilla2007_R) R 6504 6506 6452 0 -1 4194304 125 0 0 0 0 0 0 0 18 0 1 0 85835326 1474560 110 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216547 0 0 4096 0 0 0 0 17 1 0 0
/proc/6506/statm: 360 110 95 260 0 84 0
[pid=6507] ppid=6506 vsize=636 CPUtime=0
/proc/6507/stat : 6507 (march_dl) R 6506 6506 6452 0 -1 4194304 88 0 0 0 0 0 0 0 18 0 1 0 85835326 651264 83 18446744073709551615 134512640 134996440 4294956608 18446744073709551615 134652876 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6507/statm: 159 83 50 118 0 38 0

[startup+0.0191841 s]
/proc/loadavg: 0.00 0.00 0.00 3/77 6506
/proc/meminfo: memFree=1721840/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1440 CPUtime=0
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 126 0 0 0 0 0 0 0 18 0 1 0 85835326 1474560 110 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/6506/statm: 360 110 95 260 0 84 0
[pid=6507] ppid=6506 vsize=1008 CPUtime=0.01
/proc/6507/stat : 6507 (march_dl) R 6506 6506 6452 0 -1 4194304 207 0 0 0 1 0 0 0 20 0 1 0 85835326 1032192 191 18446744073709551615 134512640 134996440 4294956608 18446744073709551615 134543082 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6507/statm: 252 191 65 118 0 131 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 2448

[startup+0.1012 s]
/proc/loadavg: 0.00 0.00 0.00 3/77 6506
/proc/meminfo: memFree=1721840/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1440 CPUtime=0
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 126 0 0 0 0 0 0 0 18 0 1 0 85835326 1474560 110 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/6506/statm: 360 110 95 260 0 84 0
[pid=6507] ppid=6506 vsize=1404 CPUtime=0.09
/proc/6507/stat : 6507 (march_dl) R 6506 6506 6452 0 -1 4194304 302 0 0 0 9 0 0 0 20 0 1 0 85835326 1437696 286 18446744073709551615 134512640 134996440 4294956608 18446744073709551615 134652876 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6507/statm: 351 286 74 118 0 230 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2844

[startup+0.301241 s]
/proc/loadavg: 0.00 0.00 0.00 3/77 6506
/proc/meminfo: memFree=1721840/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1440 CPUtime=0
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 126 0 0 0 0 0 0 0 18 0 1 0 85835326 1474560 110 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/6506/statm: 360 110 95 260 0 84 0
[pid=6507] ppid=6506 vsize=1536 CPUtime=0.29
/proc/6507/stat : 6507 (march_dl) R 6506 6506 6452 0 -1 4194304 314 0 0 0 29 0 0 0 21 0 1 0 85835326 1572864 298 18446744073709551615 134512640 134996440 4294956608 18446744073709551615 134553677 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6507/statm: 384 298 74 118 0 263 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2976

[startup+0.701324 s]
/proc/loadavg: 0.00 0.00 0.00 3/77 6506
/proc/meminfo: memFree=1721840/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1440 CPUtime=0
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 126 0 0 0 0 0 0 0 18 0 1 0 85835326 1474560 110 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/6506/statm: 360 110 95 260 0 84 0
[pid=6507] ppid=6506 vsize=1536 CPUtime=0.69
/proc/6507/stat : 6507 (march_dl) R 6506 6506 6452 0 -1 4194304 325 0 0 0 69 0 0 0 25 0 1 0 85835326 1572864 309 18446744073709551615 134512640 134996440 4294956608 18446744073709551615 134514049 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6507/statm: 384 309 74 118 0 263 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 2976

[startup+1.50149 s]
/proc/loadavg: 0.00 0.00 0.00 2/79 6508
/proc/meminfo: memFree=1720928/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1440 CPUtime=0
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 126 0 0 0 0 0 0 0 18 0 1 0 85835326 1474560 110 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/6506/statm: 360 110 95 260 0 84 0
[pid=6507] ppid=6506 vsize=1536 CPUtime=1.49
/proc/6507/stat : 6507 (march_dl) R 6506 6506 6452 0 -1 4194304 332 0 0 0 149 0 0 0 25 0 1 0 85835326 1572864 316 18446744073709551615 134512640 134996440 4294956608 18446744073709551615 134527881 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6507/statm: 384 316 74 118 0 263 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 2976

[startup+3.10282 s]
/proc/loadavg: 0.00 0.00 0.00 2/79 6508
/proc/meminfo: memFree=1720736/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1440 CPUtime=0
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 126 0 0 0 0 0 0 0 18 0 1 0 85835326 1474560 110 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/6506/statm: 360 110 95 260 0 84 0
[pid=6507] ppid=6506 vsize=1536 CPUtime=3.09
/proc/6507/stat : 6507 (march_dl) R 6506 6506 6452 0 -1 4194304 340 0 0 0 309 0 0 0 25 0 1 0 85835326 1572864 324 18446744073709551615 134512640 134996440 4294956608 18446744073709551615 134528166 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6507/statm: 384 324 74 118 0 263 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 2976

[startup+6.30149 s]
/proc/loadavg: 0.08 0.02 0.01 2/79 6509
/proc/meminfo: memFree=1720928/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1440 CPUtime=4.99
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 133 345 0 0 0 0 499 0 16 0 1 0 85835326 1474560 111 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/6506/statm: 360 111 96 260 0 84 0
[pid=6509] ppid=6506 vsize=6188 CPUtime=1.25
/proc/6509/stat : 6509 (ubcsat2006) R 6506 6506 6452 0 -1 4194304 277 0 2 0 104 21 0 0 25 0 1 0 85835827 6336512 262 18446744073709551615 134512640 134777720 4294956464 18446744073709551615 4294960144 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6509/statm: 1547 262 156 64 0 1128 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 7628

[startup+12.7018 s]
/proc/loadavg: 0.15 0.03 0.01 2/79 6510
/proc/meminfo: memFree=1720032/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=1.8
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 180 0 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134556027 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0
Current children cumulated CPU time (s) 12.61
Current children cumulated vsize (KiB) 185332

[startup+25.5015 s]
/proc/loadavg: 0.34 0.08 0.02 2/79 6510
/proc/meminfo: memFree=1720096/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=14.59
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 1459 0 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134565084 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0
Current children cumulated CPU time (s) 25.4
Current children cumulated vsize (KiB) 185332

[startup+51.1018 s]
/proc/loadavg: 0.56 0.15 0.05 2/79 6510
/proc/meminfo: memFree=1720096/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=40.18
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 4018 0 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134555930 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0
Current children cumulated CPU time (s) 50.99
Current children cumulated vsize (KiB) 185332

[startup+102.306 s]
/proc/loadavg: 0.82 0.29 0.10 2/79 6510
/proc/meminfo: memFree=1720160/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=91.37
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 9137 0 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134555918 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0
Current children cumulated CPU time (s) 102.18
Current children cumulated vsize (KiB) 185332

[startup+162.301 s]
/proc/loadavg: 0.93 0.41 0.15 2/79 6510
/proc/meminfo: memFree=1720160/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=151.34
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 15134 0 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134562851 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0
Current children cumulated CPU time (s) 162.15
Current children cumulated vsize (KiB) 185332

[startup+222.302 s]
/proc/loadavg: 0.97 0.51 0.20 2/79 6510
/proc/meminfo: memFree=1720160/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=211.33
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 21132 1 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134564754 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0
Current children cumulated CPU time (s) 222.14
Current children cumulated vsize (KiB) 185332

[startup+282.302 s]
/proc/loadavg: 0.99 0.60 0.25 2/79 6510
/proc/meminfo: memFree=1720160/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=271.3
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 27129 1 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134573261 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0
Current children cumulated CPU time (s) 282.11
Current children cumulated vsize (KiB) 185332

[startup+342.302 s]
/proc/loadavg: 0.99 0.67 0.29 2/79 6510
/proc/meminfo: memFree=1720160/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=331.28
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 33127 1 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134576367 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0

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


[startup+4662.3 s]
/proc/loadavg: 0.99 0.97 0.91 2/79 6710
/proc/meminfo: memFree=1720096/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=4649.63
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 464942 21 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134602893 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0
Current children cumulated CPU time (s) 4660.44
Current children cumulated vsize (KiB) 185332

[startup+4722.31 s]
/proc/loadavg: 0.99 0.97 0.91 2/79 6710
/proc/meminfo: memFree=1720096/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=4709.62
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 470941 21 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134565153 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0
Current children cumulated CPU time (s) 4720.43
Current children cumulated vsize (KiB) 185332

[startup+4782.3 s]
/proc/loadavg: 0.99 0.97 0.91 2/79 6710
/proc/meminfo: memFree=1720096/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=4769.59
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 476938 21 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134583130 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0
Current children cumulated CPU time (s) 4780.4
Current children cumulated vsize (KiB) 185332

[startup+4842.3 s]
/proc/loadavg: 0.99 0.97 0.91 2/79 6710
/proc/meminfo: memFree=1720096/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=4829.56
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 482935 21 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134565077 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0
Current children cumulated CPU time (s) 4840.37
Current children cumulated vsize (KiB) 185332

[startup+4902.3 s]
/proc/loadavg: 0.99 0.97 0.91 2/79 6710
/proc/meminfo: memFree=1720096/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=4889.54
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 488933 21 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134562984 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0
Current children cumulated CPU time (s) 4900.35
Current children cumulated vsize (KiB) 185332

[startup+4962.3 s]
/proc/loadavg: 0.99 0.97 0.91 2/79 6908
/proc/meminfo: memFree=1719768/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=4949.42
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 494920 22 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134609542 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0
Current children cumulated CPU time (s) 4960.23
Current children cumulated vsize (KiB) 185332

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

[startup+4966.3 s]
/proc/loadavg: 0.99 0.97 0.91 2/79 6908
/proc/meminfo: memFree=1719832/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=4953.42
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 495320 22 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134556124 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0
Current children cumulated CPU time (s) 4964.23
Current children cumulated vsize (KiB) 185332

[startup+4979.1 s]
/proc/loadavg: 0.99 0.97 0.91 2/79 6908
/proc/meminfo: memFree=1719840/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=4966.22
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 496600 22 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134565300 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0
Current children cumulated CPU time (s) 4977.03
Current children cumulated vsize (KiB) 185332

[startup+4991.9 s]
/proc/loadavg: 0.99 0.97 0.91 2/79 6908
/proc/meminfo: memFree=1719840/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=4979.01
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 497879 22 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134564188 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0
Current children cumulated CPU time (s) 4989.82
Current children cumulated vsize (KiB) 185332

[startup+4995.11 s]
/proc/loadavg: 0.99 0.97 0.91 2/79 6908
/proc/meminfo: memFree=1719840/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=4982.21
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 498199 22 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134642738 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0
Current children cumulated CPU time (s) 4993.02
Current children cumulated vsize (KiB) 185332

[startup+4998.3 s]
/proc/loadavg: 0.99 0.97 0.91 2/79 6908
/proc/meminfo: memFree=1719840/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=4985.41
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 498519 22 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134571695 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0
Current children cumulated CPU time (s) 4996.22
Current children cumulated vsize (KiB) 185332

[startup+4999.9 s]
/proc/loadavg: 0.99 0.97 0.91 2/79 6908
/proc/meminfo: memFree=1719840/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=4987.01
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 498679 22 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134556150 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0
Current children cumulated CPU time (s) 4997.82
Current children cumulated vsize (KiB) 185332

[startup+5000.7 s]
/proc/loadavg: 0.99 0.97 0.91 2/79 6908
/proc/meminfo: memFree=1719840/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=4987.81
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 498759 22 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134562851 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0
Current children cumulated CPU time (s) 4998.62
Current children cumulated vsize (KiB) 185332

[startup+5001.1 s]
/proc/loadavg: 0.99 0.97 0.91 2/79 6908
/proc/meminfo: memFree=1719840/2055920 swapFree=4157396/4192956
[pid=6506] ppid=6504 vsize=1780 CPUtime=10.81
/proc/6506/stat : 6506 (SATzilla2007_R) S 6504 6506 6452 0 -1 4194304 621 628 0 2 312 28 700 41 25 0 1 0 85835326 1822720 271 18446744073709551615 134512640 135579813 4294956576 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/6506/statm: 445 271 157 260 0 169 0
[pid=6510] ppid=6506 vsize=183552 CPUtime=4988.21
/proc/6510/stat : 6510 (kcnfs) R 6506 6506 6452 0 -1 4194304 401 0 0 0 498799 22 0 0 25 0 1 0 85836415 187957248 385 18446744073709551615 134512640 134709692 4294956592 18446744073709551615 134610413 0 0 8392704 0 0 0 0 17 1 0 0
/proc/6510/statm: 45888 385 138 48 0 45485 0
Current children cumulated CPU time (s) 4999.02
Current children cumulated vsize (KiB) 185332

Child status: 17
Real time (s): 5001.14
CPU time (s): 4999.09
CPU user time (s): 4998.16
CPU system time (s): 0.926859
CPU usage (%): 99.959
Max. virtual memory (cumulated for all children) (KiB): 185332

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4998.16
system time used= 0.926859
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1802
page faults= 2
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 28
involuntary context switches= 105740

runsolver used 4.52131 second user time and 11.1163 second system time

The end

Launcher Data (download as text)

Begin job on node40 on Thu Apr 26 06:39:18 UTC 2007

IDJOB= 422585
IDBENCH= 20008
IDSOLVER= 191
FILE ID= node40/422585-1177569557

PBS_JOBID= 4696928

Free space on /tmp= 66501 MiB

SOLVER NAME= SATzilla RANDOM
BENCH NAME= HOME/pub/bench/SAT07/random/OnTreshold/3SAT/v650/unif-k3-r4.261-v650-c2769-S1518709554-16.UNSAT.shuffled.cnf
COMMAND LINE= /tmp/evaluation/422585-1177569557/SATzilla2007_R /tmp/evaluation/422585-1177569557/instance-422585-1177569557.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node40/watcher-422585-1177569557 -o ROOT/results/node40/solver-422585-1177569557 -C 5000 -W 7500 -M 1800 --output-limit 1,15  /tmp/evaluation/422585-1177569557/SATzilla2007_R /tmp/evaluation/422585-1177569557/instance-422585-1177569557.cnf            

META MD5SUM SOLVER= d41d8cd98f00b204e9800998ecf8427e
MD5SUM BENCH=  6b3d1cbdf485dde3109e6dfc6e20401f

RANDOM SEED= 544410033

TIME LIMIT= 5000 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:       1722376 kB
Buffers:         39828 kB
Cached:         225980 kB
SwapCached:      16528 kB
Active:         143780 kB
Inactive:       146172 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1722376 kB
SwapTotal:     4192956 kB
SwapFree:      4157396 kB
Dirty:            8540 kB
Writeback:           0 kB
Mapped:          29664 kB
Slab:            28960 kB
Committed_AS:  1028920 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= 66501 MiB

End job on node40 on Thu Apr 26 08:02:39 UTC 2007