Trace number 1561780

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 20.6409 20.6484

General information on the benchmark

NameCRAFTED/
edgematching/all/em_8_4_5_all.cnf
MD5SUMbcbe82a00b39f246e1dc1a85b2c8371e
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.5996
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses62900
Sum of the clauses size155908
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 243724
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
20.58/20.64	c 20.37 seconds
20.58/20.64	s SATISFIABLE
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20.58/20.64	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-1561780-1238768789/watcher-1561780-1238768789 -o /tmp/evaluation-result-1561780-1238768789/solver-1561780-1238768789 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/kw HOME/instance-1561780-1238768789.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: 1.45 1.11 1.08 2/64 30458
/proc/meminfo: memFree=1752776/2055920 swapFree=4176304/4192956
[pid=30458] ppid=30456 vsize=4656 CPUtime=0
/proc/30458/stat : 30458 (kw) R 30456 30458 30325 0 -1 0 664 0 0 0 0 0 0 0 20 0 1 0 1149541418 4767744 648 1992294400 4194304 6412682 548682068832 18446744073709551615 5487243 0 0 4096 0 0 0 0 17 1 0 0
/proc/30458/statm: 1164 648 219 541 0 614 0

[startup+0.0271949 s]
/proc/loadavg: 1.45 1.11 1.08 2/64 30458
/proc/meminfo: memFree=1752776/2055920 swapFree=4176304/4192956
[pid=30458] ppid=30456 vsize=5052 CPUtime=0.02
/proc/30458/stat : 30458 (kw) R 30456 30458 30325 0 -1 0 787 0 0 0 2 0 0 0 20 0 1 0 1149541418 5173248 771 1992294400 4194304 6412682 548682068832 18446744073709551615 5487243 0 0 4096 0 0 0 0 17 1 0 0
/proc/30458/statm: 1263 771 219 541 0 713 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 5052

[startup+0.101209 s]
/proc/loadavg: 1.45 1.11 1.08 2/64 30458
/proc/meminfo: memFree=1752776/2055920 swapFree=4176304/4192956
[pid=30458] ppid=30456 vsize=6696 CPUtime=0.09
/proc/30458/stat : 30458 (kw) R 30456 30458 30325 0 -1 0 1272 0 0 0 8 1 0 0 20 0 1 0 1149541418 6856704 1207 1992294400 4194304 6412682 548682068832 18446744073709551615 4371352 0 0 4096 0 0 0 0 17 1 0 0
/proc/30458/statm: 1674 1207 220 541 0 1124 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6696

[startup+0.301247 s]
/proc/loadavg: 1.45 1.11 1.08 2/64 30458
/proc/meminfo: memFree=1752776/2055920 swapFree=4176304/4192956
[pid=30458] ppid=30456 vsize=11976 CPUtime=0.29
/proc/30458/stat : 30458 (kw) R 30456 30458 30325 0 -1 0 2688 0 0 0 28 1 0 0 22 0 1 0 1149541418 12263424 2623 1992294400 4194304 6412682 548682068832 18446744073709551615 4521616 0 0 4096 0 0 0 0 17 1 0 0
/proc/30458/statm: 2994 2623 239 541 0 2444 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11976

[startup+0.701328 s]
/proc/loadavg: 1.45 1.11 1.08 2/64 30458
/proc/meminfo: memFree=1752776/2055920 swapFree=4176304/4192956
[pid=30458] ppid=30456 vsize=11124 CPUtime=0.69
/proc/30458/stat : 30458 (kw) R 30456 30458 30325 0 -1 0 2709 0 0 0 67 2 0 0 25 0 1 0 1149541418 11390976 2323 1992294400 4194304 6412682 548682068832 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/30458/statm: 2781 2323 253 541 0 2231 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 11124

[startup+1.50148 s]
/proc/loadavg: 1.45 1.11 1.08 2/65 30459
/proc/meminfo: memFree=1742976/2055920 swapFree=4176304/4192956
[pid=30458] ppid=30456 vsize=15216 CPUtime=1.49
/proc/30458/stat : 30458 (kw) R 30456 30458 30325 0 -1 0 3734 0 0 0 146 3 0 0 25 0 1 0 1149541418 15581184 3348 1992294400 4194304 6412682 548682068832 18446744073709551615 5487243 0 0 4096 0 0 0 0 17 1 0 0
/proc/30458/statm: 3804 3348 253 541 0 3254 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 15216

[startup+3.1018 s]
/proc/loadavg: 1.45 1.11 1.08 2/65 30459
/proc/meminfo: memFree=1737728/2055920 swapFree=4176304/4192956
[pid=30458] ppid=30456 vsize=21320 CPUtime=3.09
/proc/30458/stat : 30458 (kw) R 30456 30458 30325 0 -1 0 5229 0 0 0 303 6 0 0 25 0 1 0 1149541418 21831680 4843 1992294400 4194304 6412682 548682068832 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/30458/statm: 5330 4843 253 541 0 4780 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 21320

[startup+6.30143 s]
/proc/loadavg: 1.42 1.11 1.08 2/65 30459
/proc/meminfo: memFree=1731776/2055920 swapFree=4176304/4192956
[pid=30458] ppid=30456 vsize=23636 CPUtime=6.29
/proc/30458/stat : 30458 (kw) R 30456 30458 30325 0 -1 0 5846 0 0 0 620 9 0 0 25 0 1 0 1149541418 24203264 5460 1992294400 4194304 6412682 548682068832 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/30458/statm: 5909 5460 256 541 0 5359 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 23636

[startup+12.7017 s]
/proc/loadavg: 1.38 1.11 1.08 2/65 30459
/proc/meminfo: memFree=1725184/2055920 swapFree=4176304/4192956
[pid=30458] ppid=30456 vsize=32224 CPUtime=12.69
/proc/30458/stat : 30458 (kw) R 30456 30458 30325 0 -1 0 8048 0 0 0 1253 16 0 0 25 0 1 0 1149541418 32997376 7550 1992294400 4194304 6412682 548682068832 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/30458/statm: 8056 7550 256 541 0 7506 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 32224

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

[startup+15.9013 s]
/proc/loadavg: 1.35 1.10 1.08 2/65 30459
/proc/meminfo: memFree=1721216/2055920 swapFree=4176304/4192956
[pid=30458] ppid=30456 vsize=36072 CPUtime=15.88
/proc/30458/stat : 30458 (kw) R 30456 30458 30325 0 -1 0 9072 0 0 0 1569 19 0 0 25 0 1 0 1149541418 36937728 8506 1992294400 4194304 6412682 548682068832 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/30458/statm: 9018 8506 256 541 0 8468 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 36072

[startup+19.102 s]
/proc/loadavg: 1.35 1.10 1.08 2/65 30459
/proc/meminfo: memFree=1716672/2055920 swapFree=4176304/4192956
[pid=30458] ppid=30456 vsize=38860 CPUtime=19.08
/proc/30458/stat : 30458 (kw) R 30456 30458 30325 0 -1 0 9843 0 0 0 1886 22 0 0 25 0 1 0 1149541418 39792640 9198 1992294400 4194304 6412682 548682068832 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/30458/statm: 9715 9198 256 541 0 9165 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 38860

[startup+19.9021 s]
/proc/loadavg: 1.33 1.10 1.07 2/65 30459
/proc/meminfo: memFree=1716672/2055920 swapFree=4176304/4192956
[pid=30458] ppid=30456 vsize=38992 CPUtime=19.89
/proc/30458/stat : 30458 (kw) R 30456 30458 30325 0 -1 0 9873 0 0 0 1966 23 0 0 25 0 1 0 1149541418 39927808 9228 1992294400 4194304 6412682 548682068832 18446744073709551615 4286879 0 0 4096 0 0 0 0 17 1 0 0
/proc/30458/statm: 9748 9228 256 541 0 9198 0
Current children cumulated CPU time (s) 19.89
Current children cumulated vsize (KiB) 38992

[startup+20.3012 s]
/proc/loadavg: 1.33 1.10 1.07 2/65 30459
/proc/meminfo: memFree=1716672/2055920 swapFree=4176304/4192956
[pid=30458] ppid=30456 vsize=39388 CPUtime=20.28
/proc/30458/stat : 30458 (kw) R 30456 30458 30325 0 -1 0 10002 0 0 0 2005 23 0 0 25 0 1 0 1149541418 40333312 9357 1992294400 4194304 6412682 548682068832 18446744073709551615 4333468 0 0 4096 0 0 0 0 17 1 0 0
/proc/30458/statm: 9847 9357 256 541 0 9297 0
Current children cumulated CPU time (s) 20.28
Current children cumulated vsize (KiB) 39388

[startup+20.5012 s]
/proc/loadavg: 1.33 1.10 1.07 2/65 30459
/proc/meminfo: memFree=1716672/2055920 swapFree=4176304/4192956
[pid=30458] ppid=30456 vsize=40048 CPUtime=20.48
/proc/30458/stat : 30458 (kw) R 30456 30458 30325 0 -1 0 10141 0 0 0 2025 23 0 0 25 0 1 0 1149541418 41009152 9496 1992294400 4194304 6412682 548682068832 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/30458/statm: 10012 9496 256 541 0 9462 0
Current children cumulated CPU time (s) 20.48
Current children cumulated vsize (KiB) 40048

[startup+20.6012 s]
/proc/loadavg: 1.33 1.10 1.07 2/65 30459
/proc/meminfo: memFree=1716672/2055920 swapFree=4176304/4192956
[pid=30458] ppid=30456 vsize=40180 CPUtime=20.58
/proc/30458/stat : 30458 (kw) R 30456 30458 30325 0 -1 0 10191 0 0 0 2035 23 0 0 25 0 1 0 1149541418 41144320 9546 1992294400 4194304 6412682 548682068832 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/30458/statm: 10045 9546 256 541 0 9495 0
Current children cumulated CPU time (s) 20.58
Current children cumulated vsize (KiB) 40180

Child status: 10
Real time (s): 20.6484
CPU time (s): 20.6409
CPU user time (s): 20.3969
CPU system time (s): 0.243962
CPU usage (%): 99.9633
Max. virtual memory (cumulated for all children) (KiB): 40180

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 20.3969
system time used= 0.243962
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 10227
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= 32

runsolver used 0.022996 second user time and 0.047992 second system time

The end

Launcher Data 

Begin job on node53 at 2009-04-03 16:26:29
IDJOB=1561780
IDBENCH=70922
IDSOLVER=501
FILE ID=node53/1561780-1238768789
PBS_JOBID= 9085517
Free space on /tmp= 66444 MiB

SOLVER NAME= kw 2009-03-20
BENCH NAME= SAT09/APPLICATIONS/edgematching/all/em_8_4_5_all.cnf
COMMAND LINE= HOME/kw BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561780-1238768789/watcher-1561780-1238768789 -o /tmp/evaluation-result-1561780-1238768789/solver-1561780-1238768789 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/kw HOME/instance-1561780-1238768789.cnf

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

MD5SUM BENCH= bcbe82a00b39f246e1dc1a85b2c8371e
RANDOM SEED=647147416

node53.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		: 3000.264
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		: 3000.264
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:       1753256 kB
Buffers:         36136 kB
Cached:         178208 kB
SwapCached:      10600 kB
Active:          63104 kB
Inactive:       163432 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1753256 kB
SwapTotal:     4192956 kB
SwapFree:      4176304 kB
Dirty:            3304 kB
Writeback:           0 kB
Mapped:          17856 kB
Slab:            62124 kB
Committed_AS:  2835656 kB
PageTables:       1384 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= 66444 MiB
End job on node53 at 2009-04-03 16:26:50