Trace number 1561520

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
kw 2009-03-20SAT 30.9083 30.9181

General information on the benchmark

NameCRAFTED/edgematching/
explicit/em_7_4_9_exp.cnf
MD5SUM4b407f7d85e83c60fceae64b7f0e6e1f
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark4.43233
Satisfiable
(Un)Satisfiability was proved
Number of variables1677
Number of clauses26387
Sum of the clauses size71003
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 214880
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 kw (KillerWhale) version 0.6
0.00/0.00	c Copyright 2007-2009 Johan Alfredsson, Oepir
0.00/0.00	c johan@oepir.com
30.88/30.91	c 30.79 seconds
30.88/30.91	s SATISFIABLE
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30.88/30.91	v 0

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-1561520-1238766950/watcher-1561520-1238766950 -o /tmp/evaluation-result-1561520-1238766950/solver-1561520-1238766950 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/kw HOME/instance-1561520-1238766950.cnf 

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
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: 0.95 0.96 0.99 3/66 26294
/proc/meminfo: memFree=1541600/2055920 swapFree=4176412/4192956
[pid=26294] ppid=26292 vsize=3860 CPUtime=0
/proc/26294/stat : 26294 (kw) R 26292 26294 26230 0 -1 0 537 0 0 0 0 0 0 0 18 0 1 0 1149357921 3952640 521 1992294400 4194304 6412682 548682068864 18446744073709551615 5487243 0 0 4096 0 0 0 0 17 1 0 0
/proc/26294/statm: 965 521 219 541 0 415 0

[startup+0.0961411 s]
/proc/loadavg: 0.95 0.96 0.99 3/66 26294
/proc/meminfo: memFree=1541600/2055920 swapFree=4176412/4192956
[pid=26294] ppid=26292 vsize=5376 CPUtime=0.09
/proc/26294/stat : 26294 (kw) R 26292 26294 26230 0 -1 0 978 0 0 0 9 0 0 0 18 0 1 0 1149357921 5505024 962 1992294400 4194304 6412682 548682068864 18446744073709551615 5487243 0 0 4096 0 0 0 0 17 1 0 0
/proc/26294/statm: 1344 962 220 541 0 794 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5376

[startup+0.101141 s]
/proc/loadavg: 0.95 0.96 0.99 3/66 26294
/proc/meminfo: memFree=1541600/2055920 swapFree=4176412/4192956
[pid=26294] ppid=26292 vsize=5508 CPUtime=0.09
/proc/26294/stat : 26294 (kw) R 26292 26294 26230 0 -1 0 1000 0 0 0 9 0 0 0 18 0 1 0 1149357921 5640192 984 1992294400 4194304 6412682 548682068864 18446744073709551615 5487243 0 0 4096 0 0 0 0 17 1 0 0
/proc/26294/statm: 1377 984 220 541 0 827 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5508

[startup+0.301166 s]
/proc/loadavg: 0.95 0.96 0.99 3/66 26294
/proc/meminfo: memFree=1541600/2055920 swapFree=4176412/4192956
[pid=26294] ppid=26292 vsize=6400 CPUtime=0.29
/proc/26294/stat : 26294 (kw) R 26292 26294 26230 0 -1 0 1436 0 0 0 29 0 0 0 19 0 1 0 1149357921 6553600 1222 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/26294/statm: 1600 1222 253 541 0 1050 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6400

[startup+0.701218 s]
/proc/loadavg: 0.95 0.96 0.99 3/66 26294
/proc/meminfo: memFree=1541600/2055920 swapFree=4176412/4192956
[pid=26294] ppid=26292 vsize=8508 CPUtime=0.69
/proc/26294/stat : 26294 (kw) R 26292 26294 26230 0 -1 0 1958 0 0 0 67 2 0 0 22 0 1 0 1149357921 8712192 1744 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/26294/statm: 2127 1744 253 541 0 1577 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 8508

[startup+1.50132 s]
/proc/loadavg: 0.95 0.96 0.99 2/67 26295
/proc/meminfo: memFree=1534232/2055920 swapFree=4176412/4192956
[pid=26294] ppid=26292 vsize=11712 CPUtime=1.49
/proc/26294/stat : 26294 (kw) R 26292 26294 26230 0 -1 0 2747 0 0 0 146 3 0 0 25 0 1 0 1149357921 11993088 2533 1992294400 4194304 6412682 548682068864 18446744073709551615 5487243 0 0 4096 0 0 0 0 17 1 0 0
/proc/26294/statm: 2928 2533 253 541 0 2378 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 11712

[startup+3.10253 s]
/proc/loadavg: 0.95 0.96 0.99 2/67 26295
/proc/meminfo: memFree=1531096/2055920 swapFree=4176412/4192956
[pid=26294] ppid=26292 vsize=14252 CPUtime=3.09
/proc/26294/stat : 26294 (kw) R 26292 26294 26230 0 -1 0 3377 0 0 0 304 5 0 0 25 0 1 0 1149357921 14594048 3124 1992294400 4194304 6412682 548682068864 18446744073709551615 4570445 0 0 4096 0 0 0 0 17 1 0 0
/proc/26294/statm: 3563 3124 256 541 0 3013 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 14252

[startup+6.30194 s]
/proc/loadavg: 0.96 0.96 0.99 2/67 26295
/proc/meminfo: memFree=1528280/2055920 swapFree=4176412/4192956
[pid=26294] ppid=26292 vsize=15752 CPUtime=6.29
/proc/26294/stat : 26294 (kw) R 26292 26294 26230 0 -1 0 3812 0 0 0 622 7 0 0 25 0 1 0 1149357921 16130048 3514 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/26294/statm: 3938 3514 256 541 0 3388 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 15752

[startup+12.7018 s]
/proc/loadavg: 0.96 0.96 0.99 2/67 26295
/proc/meminfo: memFree=1524056/2055920 swapFree=4176412/4192956
[pid=26294] ppid=26292 vsize=20108 CPUtime=12.69
/proc/26294/stat : 26294 (kw) R 26292 26294 26230 0 -1 0 4963 0 0 0 1260 9 0 0 25 0 1 0 1149357921 20590592 4554 1992294400 4194304 6412682 548682068864 18446744073709551615 4287126 0 0 4096 0 0 0 0 17 1 0 0
/proc/26294/statm: 5027 4554 256 541 0 4477 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 20108

[startup+25.5014 s]
/proc/loadavg: 0.97 0.96 0.99 2/67 26295
/proc/meminfo: memFree=1519640/2055920 swapFree=4176412/4192956
[pid=26294] ppid=26292 vsize=25336 CPUtime=25.48
/proc/26294/stat : 26294 (kw) R 26292 26294 26230 0 -1 0 6287 0 0 0 2535 13 0 0 25 0 1 0 1149357921 25944064 5732 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/26294/statm: 6334 5732 256 541 0 5784 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 25336

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

[startup+28.7028 s]
/proc/loadavg: 0.97 0.96 0.99 2/67 26295
/proc/meminfo: memFree=1516696/2055920 swapFree=4176412/4192956
[pid=26294] ppid=26292 vsize=27684 CPUtime=28.68
/proc/26294/stat : 26294 (kw) R 26292 26294 26230 0 -1 0 6986 0 0 0 2854 14 0 0 25 0 1 0 1149357921 28348416 6341 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/26294/statm: 6921 6341 256 541 0 6371 0
Current children cumulated CPU time (s) 28.68
Current children cumulated vsize (KiB) 27684

[startup+30.301 s]
/proc/loadavg: 0.97 0.96 0.99 2/67 26295
/proc/meminfo: memFree=1516696/2055920 swapFree=4176412/4192956
[pid=26294] ppid=26292 vsize=27980 CPUtime=30.28
/proc/26294/stat : 26294 (kw) R 26292 26294 26230 0 -1 0 7026 0 0 0 3013 15 0 0 25 0 1 0 1149357921 28651520 6381 1992294400 4194304 6412682 548682068864 18446744073709551615 4286821 0 0 4096 0 0 0 0 17 1 0 0
/proc/26294/statm: 6995 6381 256 541 0 6445 0
Current children cumulated CPU time (s) 30.28
Current children cumulated vsize (KiB) 27980

[startup+30.7011 s]
/proc/loadavg: 0.97 0.96 0.99 2/67 26295
/proc/meminfo: memFree=1516696/2055920 swapFree=4176412/4192956
[pid=26294] ppid=26292 vsize=27980 CPUtime=30.69
/proc/26294/stat : 26294 (kw) R 26292 26294 26230 0 -1 0 7030 0 0 0 3054 15 0 0 25 0 1 0 1149357921 28651520 6385 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/26294/statm: 6995 6385 256 541 0 6445 0
Current children cumulated CPU time (s) 30.69
Current children cumulated vsize (KiB) 27980

[startup+30.9011 s]
/proc/loadavg: 0.97 0.96 0.99 2/67 26295
/proc/meminfo: memFree=1516696/2055920 swapFree=4176412/4192956
[pid=26294] ppid=26292 vsize=27980 CPUtime=30.88
/proc/26294/stat : 26294 (kw) R 26292 26294 26230 0 -1 0 7030 0 0 0 3073 15 0 0 25 0 1 0 1149357921 28651520 6385 1992294400 4194304 6412682 548682068864 18446744073709551615 4286825 0 0 4096 0 0 0 0 17 1 0 0
/proc/26294/statm: 6995 6385 256 541 0 6445 0
Current children cumulated CPU time (s) 30.88
Current children cumulated vsize (KiB) 27980

Child status: 10
Real time (s): 30.9181
CPU time (s): 30.9083
CPU user time (s): 30.7513
CPU system time (s): 0.156976
CPU usage (%): 99.9682
Max. virtual memory (cumulated for all children) (KiB): 28048

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 30.7513
system time used= 0.156976
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7046
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= 2
involuntary context switches= 72

runsolver used 0.028995 second user time and 0.091986 second system time

The end

Launcher Data

Begin job on node40 at 2009-04-03 15:55:50
IDJOB=1561520
IDBENCH=70917
IDSOLVER=501
FILE ID=node40/1561520-1238766950
PBS_JOBID= 9085516
Free space on /tmp= 66548 MiB

SOLVER NAME= kw 2009-03-20
BENCH NAME= SAT09/APPLICATIONS/edgematching/explicit/em_7_4_9_exp.cnf
COMMAND LINE= HOME/kw BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561520-1238766950/watcher-1561520-1238766950 -o /tmp/evaluation-result-1561520-1238766950/solver-1561520-1238766950 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/kw HOME/instance-1561520-1238766950.cnf

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

MD5SUM BENCH= 4b407f7d85e83c60fceae64b7f0e6e1f
RANDOM SEED=425072356

node40.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		: 3000.232
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		: 3000.232
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:       1542016 kB
Buffers:         90320 kB
Cached:         327100 kB
SwapCached:       9688 kB
Active:          39936 kB
Inactive:       388916 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1542016 kB
SwapTotal:     4192956 kB
SwapFree:      4176412 kB
Dirty:            2644 kB
Writeback:           0 kB
Mapped:          17204 kB
Slab:            70964 kB
Committed_AS:  3088908 kB
PageTables:       1476 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= 66544 MiB
End job on node40 at 2009-04-03 15:56:21