Trace number 1561676

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 46.3809 46.3967

General information on the benchmark

NameCRAFTED/edgematching/
explicit/em_8_4_5_exp.cnf
MD5SUM8074a7bc3c1695dbe8e033b31e3d3feb
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark14.8357
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses51668
Sum of the clauses size133444
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 232492
Number of clauses of size 313968
Number of clauses of size 42628
Number of clauses of size 52460
Number of clauses of size over 5120

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
46.27/46.38	c 46.16 seconds
46.27/46.38	s SATISFIABLE
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46.27/46.38	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-1561676-1238768144/watcher-1561676-1238768144 -o /tmp/evaluation-result-1561676-1238768144/solver-1561676-1238768144 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/kw HOME/instance-1561676-1238768144.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: 3.10 2.83 2.39 4/86 17882
/proc/meminfo: memFree=1856792/2055920 swapFree=4170308/4192956
[pid=17882] ppid=17880 vsize=4544 CPUtime=0
/proc/17882/stat : 17882 (kw) R 17880 17882 17410 0 -1 0 671 0 0 0 0 0 0 0 18 0 1 0 1149478452 4653056 655 1992294400 4194304 6412682 548682068832 18446744073709551615 5487243 0 0 4096 0 0 0 0 17 1 0 0
/proc/17882/statm: 1136 655 219 541 0 586 0

[startup+0.0672739 s]
/proc/loadavg: 3.10 2.83 2.39 4/86 17882
/proc/meminfo: memFree=1856792/2055920 swapFree=4170308/4192956
[pid=17882] ppid=17880 vsize=5864 CPUtime=0.06
/proc/17882/stat : 17882 (kw) R 17880 17882 17410 0 -1 0 1014 0 0 0 6 0 0 0 18 0 1 0 1149478452 6004736 998 1992294400 4194304 6412682 548682068832 18446744073709551615 5487243 0 0 4096 0 0 0 0 17 1 0 0
/proc/17882/statm: 1466 998 219 541 0 916 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 5864

[startup+0.101277 s]
/proc/loadavg: 3.10 2.83 2.39 4/86 17882
/proc/meminfo: memFree=1856792/2055920 swapFree=4170308/4192956
[pid=17882] ppid=17880 vsize=6584 CPUtime=0.09
/proc/17882/stat : 17882 (kw) R 17880 17882 17410 0 -1 0 1279 0 0 0 9 0 0 0 18 0 1 0 1149478452 6742016 1214 1992294400 4194304 6412682 548682068832 18446744073709551615 5487243 0 0 4096 0 0 0 0 17 1 0 0
/proc/17882/statm: 1646 1215 220 541 0 1096 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6584

[startup+0.301303 s]
/proc/loadavg: 3.10 2.83 2.39 4/86 17882
/proc/meminfo: memFree=1856792/2055920 swapFree=4170308/4192956
[pid=17882] ppid=17880 vsize=10724 CPUtime=0.29
/proc/17882/stat : 17882 (kw) R 17880 17882 17410 0 -1 0 2375 0 0 0 29 0 0 0 19 0 1 0 1149478452 10981376 2310 1992294400 4194304 6412682 548682068832 18446744073709551615 4564963 0 0 4096 0 0 0 0 17 1 0 0
/proc/17882/statm: 2681 2310 239 541 0 2131 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10724

[startup+0.701353 s]
/proc/loadavg: 3.10 2.83 2.39 4/86 17882
/proc/meminfo: memFree=1856792/2055920 swapFree=4170308/4192956
[pid=17882] ppid=17880 vsize=10124 CPUtime=0.69
/proc/17882/stat : 17882 (kw) R 17880 17882 17410 0 -1 0 2443 0 0 0 68 1 0 0 23 0 1 0 1149478452 10366976 2082 1992294400 4194304 6412682 548682068832 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/17882/statm: 2531 2082 253 541 0 1981 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10124

[startup+1.50145 s]
/proc/loadavg: 3.10 2.83 2.39 3/87 17883
/proc/meminfo: memFree=1847952/2055920 swapFree=4170308/4192956
[pid=17882] ppid=17880 vsize=13764 CPUtime=1.49
/proc/17882/stat : 17882 (kw) R 17880 17882 17410 0 -1 0 3367 0 0 0 145 4 0 0 25 0 1 0 1149478452 14094336 3006 1992294400 4194304 6412682 548682068832 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/17882/statm: 3441 3006 253 541 0 2891 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 13764

[startup+3.10165 s]
/proc/loadavg: 3.10 2.83 2.39 3/87 17883
/proc/meminfo: memFree=1843152/2055920 swapFree=4170308/4192956
[pid=17882] ppid=17880 vsize=16652 CPUtime=3.09
/proc/17882/stat : 17882 (kw) R 17880 17882 17410 0 -1 0 4080 0 0 0 302 7 0 0 25 0 1 0 1149478452 17051648 3719 1992294400 4194304 6412682 548682068832 18446744073709551615 4314712 0 0 4096 0 0 0 0 17 1 0 0
/proc/17882/statm: 4163 3719 256 541 0 3613 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 16652

[startup+6.30205 s]
/proc/loadavg: 3.01 2.82 2.39 3/87 17883
/proc/meminfo: memFree=1840208/2055920 swapFree=4170308/4192956
[pid=17882] ppid=17880 vsize=20108 CPUtime=6.29
/proc/17882/stat : 17882 (kw) R 17880 17882 17410 0 -1 0 4970 0 0 0 617 12 0 0 25 0 1 0 1149478452 20590592 4558 1992294400 4194304 6412682 548682068832 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/17882/statm: 5027 4558 256 541 0 4477 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 20108

[startup+12.7019 s]
/proc/loadavg: 2.93 2.80 2.39 3/87 17883
/proc/meminfo: memFree=1834064/2055920 swapFree=4170308/4192956
[pid=17882] ppid=17880 vsize=26080 CPUtime=12.69
/proc/17882/stat : 17882 (kw) R 17880 17882 17410 0 -1 0 6613 0 0 0 1250 19 0 0 25 0 1 0 1149478452 26705920 6074 1992294400 4194304 6412682 548682068832 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/17882/statm: 6520 6074 256 541 0 5970 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 26080

[startup+25.5015 s]
/proc/loadavg: 2.72 2.76 2.38 3/87 17883
/proc/meminfo: memFree=1824528/2055920 swapFree=4170308/4192956
[pid=17882] ppid=17880 vsize=35172 CPUtime=25.48
/proc/17882/stat : 17882 (kw) R 17880 17882 17410 0 -1 0 9043 0 0 0 2517 31 0 0 25 0 1 0 1149478452 36016128 8232 1992294400 4194304 6412682 548682068832 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/17882/statm: 8793 8232 256 541 0 8243 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 35172

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

[startup+38.3011 s]
/proc/loadavg: 2.61 2.74 2.38 3/87 17883
/proc/meminfo: memFree=1814800/2055920 swapFree=4170308/4192956
[pid=17882] ppid=17880 vsize=45720 CPUtime=38.28
/proc/17882/stat : 17882 (kw) R 17880 17882 17410 0 -1 0 11939 0 0 0 3786 42 0 0 25 0 1 0 1149478452 46817280 10872 1992294400 4194304 6412682 548682068832 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/17882/statm: 11430 10872 256 541 0 10880 0
Current children cumulated CPU time (s) 38.28
Current children cumulated vsize (KiB) 45720

[startup+41.5015 s]
/proc/loadavg: 2.56 2.72 2.37 3/87 17883
/proc/meminfo: memFree=1813648/2055920 swapFree=4170308/4192956
[pid=17882] ppid=17880 vsize=45860 CPUtime=41.48
/proc/17882/stat : 17882 (kw) R 17880 17882 17410 0 -1 0 11952 0 0 0 4104 44 0 0 25 0 1 0 1149478452 46960640 10885 1992294400 4194304 6412682 548682068832 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/17882/statm: 11465 10885 256 541 0 10915 0
Current children cumulated CPU time (s) 41.48
Current children cumulated vsize (KiB) 45860

[startup+44.7019 s]
/proc/loadavg: 2.56 2.72 2.37 3/87 17883
/proc/meminfo: memFree=1813008/2055920 swapFree=4170308/4192956
[pid=17882] ppid=17880 vsize=48120 CPUtime=44.68
/proc/17882/stat : 17882 (kw) R 17880 17882 17410 0 -1 0 12522 0 0 0 4422 46 0 0 25 0 1 0 1149478452 49274880 11455 1992294400 4194304 6412682 548682068832 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/17882/statm: 12030 11455 256 541 0 11480 0
Current children cumulated CPU time (s) 44.68
Current children cumulated vsize (KiB) 48120

[startup+45.502 s]
/proc/loadavg: 2.52 2.71 2.37 3/87 17883
/proc/meminfo: memFree=1811024/2055920 swapFree=4170308/4192956
[pid=17882] ppid=17880 vsize=49336 CPUtime=45.48
/proc/17882/stat : 17882 (kw) R 17880 17882 17410 0 -1 0 12820 0 0 0 4501 47 0 0 25 0 1 0 1149478452 50520064 11753 1992294400 4194304 6412682 548682068832 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/17882/statm: 12334 11753 256 541 0 11784 0
Current children cumulated CPU time (s) 45.48
Current children cumulated vsize (KiB) 49336

[startup+45.902 s]
/proc/loadavg: 2.52 2.71 2.37 3/87 17883
/proc/meminfo: memFree=1811024/2055920 swapFree=4170308/4192956
[pid=17882] ppid=17880 vsize=49996 CPUtime=45.88
/proc/17882/stat : 17882 (kw) R 17880 17882 17410 0 -1 0 12984 0 0 0 4541 47 0 0 25 0 1 0 1149478452 51195904 11917 1992294400 4194304 6412682 548682068832 18446744073709551615 5487243 0 0 4096 0 0 0 0 17 1 0 0
/proc/17882/statm: 12499 11917 256 541 0 11949 0
Current children cumulated CPU time (s) 45.88
Current children cumulated vsize (KiB) 49996

[startup+46.3011 s]
/proc/loadavg: 2.52 2.71 2.37 3/87 17883
/proc/meminfo: memFree=1809360/2055920 swapFree=4170308/4192956
[pid=17882] ppid=17880 vsize=50532 CPUtime=46.27
/proc/17882/stat : 17882 (kw) R 17880 17882 17410 0 -1 0 13109 0 0 0 4580 47 0 0 25 0 1 0 1149478452 51744768 12042 1992294400 4194304 6412682 548682068832 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/17882/statm: 12633 12042 256 541 0 12083 0
Current children cumulated CPU time (s) 46.27
Current children cumulated vsize (KiB) 50532

Child status: 10
Real time (s): 46.3967
CPU time (s): 46.3809
CPU user time (s): 45.896
CPU system time (s): 0.484926
CPU usage (%): 99.966
Max. virtual memory (cumulated for all children) (KiB): 50532

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 45.896
system time used= 0.484926
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 13156
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= 116

runsolver used 0.051992 second user time and 0.167974 second system time

The end

Launcher Data 

Begin job on node92 at 2009-04-03 16:15:44
IDJOB=1561676
IDBENCH=70920
IDSOLVER=501
FILE ID=node92/1561676-1238768144
PBS_JOBID= 9085505
Free space on /tmp= 66552 MiB

SOLVER NAME= kw 2009-03-20
BENCH NAME= SAT09/APPLICATIONS/edgematching/explicit/em_8_4_5_exp.cnf
COMMAND LINE= HOME/kw BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561676-1238768144/watcher-1561676-1238768144 -o /tmp/evaluation-result-1561676-1238768144/solver-1561676-1238768144 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/kw HOME/instance-1561676-1238768144.cnf

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

MD5SUM BENCH= 8074a7bc3c1695dbe8e033b31e3d3feb
RANDOM SEED=1422617567

node92.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		: 3000.249
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		: 3000.249
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:       1857208 kB
Buffers:         13892 kB
Cached:         115180 kB
SwapCached:       7540 kB
Active:          24376 kB
Inactive:       114596 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1857208 kB
SwapTotal:     4192956 kB
SwapFree:      4170308 kB
Dirty:            3036 kB
Writeback:           0 kB
Mapped:          15684 kB
Slab:            43744 kB
Committed_AS:  1964704 kB
PageTables:       2768 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= 66552 MiB
End job on node92 at 2009-04-03 16:16:31