Trace number 1725607

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 2.86056 2.86158

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
MD5SUM51245c7b8edb32c4dbd94daf982c00d7
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.72974
Satisfiable
(Un)Satisfiability was proved
Number of variables2435
Number of clauses16016
Sum of the clauses size112873
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2385
Number of clauses of size 32207
Number of clauses of size 4298
Number of clauses of size 5447
Number of clauses of size over 512644

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
2.79/2.85	c 2.71 seconds
2.79/2.85	s SATISFIABLE
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2.79/2.85	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-1725607-1240705732/watcher-1725607-1240705732 -o /tmp/evaluation-result-1725607-1240705732/solver-1725607-1240705732 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/kw HOME/instance-1725607-1240705732.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: 0.91 0.95 0.97 3/64 21947
/proc/meminfo: memFree=1852728/2055920 swapFree=4180832/4192956
[pid=21947] ppid=21945 vsize=4024 CPUtime=0
/proc/21947/stat : 21947 (kw) R 21945 21947 21348 0 -1 0 627 0 0 0 0 0 0 0 18 0 1 0 98601384 4120576 611 1992294400 4194304 6412682 548682068864 18446744073709551615 4348189 0 0 4096 0 0 0 0 17 1 0 0
/proc/21947/statm: 1006 611 221 541 0 456 0

[startup+0.0496801 s]
/proc/loadavg: 0.91 0.95 0.97 3/64 21947
/proc/meminfo: memFree=1852728/2055920 swapFree=4180832/4192956
[pid=21947] ppid=21945 vsize=4420 CPUtime=0.04
/proc/21947/stat : 21947 (kw) R 21945 21947 21348 0 -1 0 736 0 0 0 4 0 0 0 18 0 1 0 98601384 4526080 720 1992294400 4194304 6412682 548682068864 18446744073709551615 5487243 0 0 4096 0 0 0 0 17 1 0 0
/proc/21947/statm: 1105 720 221 541 0 555 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 4420

[startup+0.101685 s]
/proc/loadavg: 0.91 0.95 0.97 3/64 21947
/proc/meminfo: memFree=1852728/2055920 swapFree=4180832/4192956
[pid=21947] ppid=21945 vsize=4948 CPUtime=0.09
/proc/21947/stat : 21947 (kw) R 21945 21947 21348 0 -1 0 880 0 0 0 9 0 0 0 18 0 1 0 98601384 5066752 864 1992294400 4194304 6412682 548682068864 18446744073709551615 5487243 0 0 4096 0 0 0 0 17 1 0 0
/proc/21947/statm: 1237 864 221 541 0 687 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4948

[startup+0.301707 s]
/proc/loadavg: 0.91 0.95 0.97 3/64 21947
/proc/meminfo: memFree=1852728/2055920 swapFree=4180832/4192956
[pid=21947] ppid=21945 vsize=8712 CPUtime=0.29
/proc/21947/stat : 21947 (kw) R 21945 21947 21348 0 -1 0 1826 0 0 0 29 0 0 0 19 0 1 0 98601384 8921088 1810 1992294400 4194304 6412682 548682068864 18446744073709551615 5487243 0 0 4096 0 0 0 0 17 1 0 0
/proc/21947/statm: 2178 1810 239 541 0 1628 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8712

[startup+0.701751 s]
/proc/loadavg: 0.91 0.95 0.97 3/64 21947
/proc/meminfo: memFree=1852728/2055920 swapFree=4180832/4192956
[pid=21947] ppid=21945 vsize=8816 CPUtime=0.69
/proc/21947/stat : 21947 (kw) R 21945 21947 21348 0 -1 0 1893 0 0 0 68 1 0 0 22 0 1 0 98601384 9027584 1877 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/21947/statm: 2204 1877 254 541 0 1654 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 8816

[startup+1.50184 s]
/proc/loadavg: 0.91 0.95 0.97 2/65 21948
/proc/meminfo: memFree=1846192/2055920 swapFree=4180832/4192956
[pid=21947] ppid=21945 vsize=9796 CPUtime=1.49
/proc/21947/stat : 21947 (kw) R 21945 21947 21348 0 -1 0 2108 0 0 0 147 2 0 0 25 0 1 0 98601384 10031104 2092 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/21947/statm: 2449 2092 254 541 0 1899 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9796

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

[startup+2.30294 s]
/proc/loadavg: 0.91 0.95 0.97 2/65 21948
/proc/meminfo: memFree=1843760/2055920 swapFree=4180832/4192956
[pid=21947] ppid=21945 vsize=11576 CPUtime=2.3
/proc/21947/stat : 21947 (kw) R 21945 21947 21348 0 -1 0 2551 0 0 0 227 3 0 0 25 0 1 0 98601384 11853824 2496 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/21947/statm: 2894 2496 254 541 0 2344 0
Current children cumulated CPU time (s) 2.3
Current children cumulated vsize (KiB) 11576

[startup+2.70197 s]
/proc/loadavg: 0.91 0.95 0.97 2/65 21948
/proc/meminfo: memFree=1843760/2055920 swapFree=4180832/4192956
[pid=21947] ppid=21945 vsize=11844 CPUtime=2.69
/proc/21947/stat : 21947 (kw) R 21945 21947 21348 0 -1 0 2606 0 0 0 266 3 0 0 25 0 1 0 98601384 12128256 2551 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/21947/statm: 2961 2551 254 541 0 2411 0
Current children cumulated CPU time (s) 2.69
Current children cumulated vsize (KiB) 11844

[startup+2.80198 s]
/proc/loadavg: 0.91 0.95 0.97 2/65 21948
/proc/meminfo: memFree=1843760/2055920 swapFree=4180832/4192956
[pid=21947] ppid=21945 vsize=11844 CPUtime=2.79
/proc/21947/stat : 21947 (kw) R 21945 21947 21348 0 -1 0 2619 0 0 0 276 3 0 0 25 0 1 0 98601384 12128256 2564 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/21947/statm: 2961 2564 254 541 0 2411 0
Current children cumulated CPU time (s) 2.79
Current children cumulated vsize (KiB) 11844

Child status: 10
Real time (s): 2.86158
CPU time (s): 2.86056
CPU user time (s): 2.81857
CPU system time (s): 0.041993
CPU usage (%): 99.9644
Max. virtual memory (cumulated for all children) (KiB): 11844

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.81857
system time used= 0.041993
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2643
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= 5

runsolver used 0.001999 second user time and 0.014997 second system time

The end

Launcher Data

Begin job on node42 at 2009-04-26 02:28:52
IDJOB=1725607
IDBENCH=24594
IDSOLVER=501
FILE ID=node42/1725607-1240705732
PBS_JOBID= 9186753
Free space on /tmp= 66328 MiB

SOLVER NAME= kw 2009-03-20
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
COMMAND LINE= HOME/kw BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725607-1240705732/watcher-1725607-1240705732 -o /tmp/evaluation-result-1725607-1240705732/solver-1725607-1240705732 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/kw HOME/instance-1725607-1240705732.cnf

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

MD5SUM BENCH= 51245c7b8edb32c4dbd94daf982c00d7
RANDOM SEED=390597598

node42.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:       1853208 kB
Buffers:         19060 kB
Cached:         121860 kB
SwapCached:       5688 kB
Active:          39264 kB
Inactive:       109832 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1853208 kB
SwapTotal:     4192956 kB
SwapFree:      4180832 kB
Dirty:            2828 kB
Writeback:           0 kB
Mapped:          14048 kB
Slab:            39636 kB
Committed_AS:   465284 kB
PageTables:       1388 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= 66324 MiB
End job on node42 at 2009-04-26 02:28:55