Trace number 1562092

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 17.6263 17.631

General information on the benchmark

NameCRAFTED/
edgematching/all/em_7_4_9_all.cnf
MD5SUMd78c1359306a87fe47f1b830ca255359
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.791878
Satisfiable
(Un)Satisfiability was proved
Number of variables1677
Number of clauses40187
Sum of the clauses size98603
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 228680
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
17.60/17.62	c 17.45 seconds
17.60/17.62	s SATISFIABLE
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17.60/17.62	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-1562092-1238770411/watcher-1562092-1238770411 -o /tmp/evaluation-result-1562092-1238770411/solver-1562092-1238770411 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/kw HOME/instance-1562092-1238770411.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 3/80 15953
/proc/meminfo: memFree=1855600/2055912 swapFree=4170588/4192956
[pid=15953] ppid=15951 vsize=3968 CPUtime=0
/proc/15953/stat : 15953 (kw) R 15951 15953 15886 0 -1 0 542 0 0 0 0 0 0 0 18 0 1 0 1149704954 4063232 526 1992294400 4194304 6412682 548682068864 18446744073709551615 4816701 0 0 4096 0 0 0 0 17 1 0 0
/proc/15953/statm: 992 527 220 541 0 442 0

[startup+0.0674521 s]
/proc/loadavg: 0.91 0.95 0.97 3/80 15953
/proc/meminfo: memFree=1855600/2055912 swapFree=4170588/4192956
[pid=15953] ppid=15951 vsize=5088 CPUtime=0.06
/proc/15953/stat : 15953 (kw) R 15951 15953 15886 0 -1 0 872 0 0 0 6 0 0 0 18 0 1 0 1149704954 5210112 856 1992294400 4194304 6412682 548682068864 18446744073709551615 5554128 0 0 4096 0 0 0 0 17 1 0 0
/proc/15953/statm: 1272 856 220 541 0 722 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 5088

[startup+0.101503 s]
/proc/loadavg: 0.91 0.95 0.97 3/80 15953
/proc/meminfo: memFree=1855600/2055912 swapFree=4170588/4192956
[pid=15953] ppid=15951 vsize=5616 CPUtime=0.09
/proc/15953/stat : 15953 (kw) R 15951 15953 15886 0 -1 0 1023 0 0 0 9 0 0 0 18 0 1 0 1149704954 5750784 1007 1992294400 4194304 6412682 548682068864 18446744073709551615 5487243 0 0 4096 0 0 0 0 17 1 0 0
/proc/15953/statm: 1404 1007 220 541 0 854 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5616

[startup+0.301522 s]
/proc/loadavg: 0.91 0.95 0.97 3/80 15953
/proc/meminfo: memFree=1855600/2055912 swapFree=4170588/4192956
[pid=15953] ppid=15951 vsize=8712 CPUtime=0.29
/proc/15953/stat : 15953 (kw) R 15951 15953 15886 0 -1 0 1876 0 0 0 29 0 0 0 19 0 1 0 1149704954 8921088 1811 1992294400 4194304 6412682 548682068864 18446744073709551615 4542306 0 0 4096 0 0 0 0 17 1 0 0
/proc/15953/statm: 2178 1811 239 541 0 1628 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8712

[startup+0.701563 s]
/proc/loadavg: 0.91 0.95 0.97 3/80 15953
/proc/meminfo: memFree=1855600/2055912 swapFree=4170588/4192956
[pid=15953] ppid=15951 vsize=8880 CPUtime=0.69
/proc/15953/stat : 15953 (kw) R 15951 15953 15886 0 -1 0 2097 0 0 0 68 1 0 0 22 0 1 0 1149704954 9093120 1821 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/15953/statm: 2220 1821 253 541 0 1670 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 8880

[startup+1.50165 s]
/proc/loadavg: 0.91 0.95 0.97 2/81 15954
/proc/meminfo: memFree=1847912/2055912 swapFree=4170588/4192956
[pid=15953] ppid=15951 vsize=12144 CPUtime=1.49
/proc/15953/stat : 15953 (kw) R 15951 15953 15886 0 -1 0 2896 0 0 0 147 2 0 0 25 0 1 0 1149704954 12435456 2620 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/15953/statm: 3036 2620 253 541 0 2486 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 12144

[startup+3.10182 s]
/proc/loadavg: 0.91 0.95 0.97 2/81 15954
/proc/meminfo: memFree=1844072/2055912 swapFree=4170588/4192956
[pid=15953] ppid=15951 vsize=14624 CPUtime=3.09
/proc/15953/stat : 15953 (kw) R 15951 15953 15886 0 -1 0 3508 0 0 0 306 3 0 0 25 0 1 0 1149704954 14974976 3232 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/15953/statm: 3656 3232 253 541 0 3106 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 14624

[startup+6.3011 s]
/proc/loadavg: 0.92 0.95 0.97 2/81 15954
/proc/meminfo: memFree=1842984/2055912 swapFree=4170588/4192956
[pid=15953] ppid=15951 vsize=16008 CPUtime=6.29
/proc/15953/stat : 15953 (kw) R 15951 15953 15886 0 -1 0 3820 0 0 0 625 4 0 0 25 0 1 0 1149704954 16392192 3544 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/15953/statm: 4002 3544 256 541 0 3452 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 16008

[startup+12.7018 s]
/proc/loadavg: 0.93 0.95 0.97 2/81 15954
/proc/meminfo: memFree=1838760/2055912 swapFree=4170588/4192956
[pid=15953] ppid=15951 vsize=19396 CPUtime=12.69
/proc/15953/stat : 15953 (kw) R 15951 15953 15886 0 -1 0 4768 0 0 0 1262 7 0 0 25 0 1 0 1149704954 19861504 4381 1992294400 4194304 6412682 548682068864 18446744073709551615 4286781 0 0 4096 0 0 0 0 17 1 0 0
/proc/15953/statm: 4849 4381 256 541 0 4299 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 19396

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

[startup+15.9011 s]
/proc/loadavg: 0.93 0.96 0.97 2/81 15954
/proc/meminfo: memFree=1837032/2055912 swapFree=4170588/4192956
[pid=15953] ppid=15951 vsize=20768 CPUtime=15.89
/proc/15953/stat : 15953 (kw) R 15951 15953 15886 0 -1 0 5212 0 0 0 1580 9 0 0 25 0 1 0 1149704954 21266432 4757 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/15953/statm: 5192 4757 256 541 0 4642 0
Current children cumulated CPU time (s) 15.89
Current children cumulated vsize (KiB) 20768

[startup+16.7012 s]
/proc/loadavg: 0.93 0.96 0.97 2/81 15954
/proc/meminfo: memFree=1837032/2055912 swapFree=4170588/4192956
[pid=15953] ppid=15951 vsize=20900 CPUtime=16.69
/proc/15953/stat : 15953 (kw) R 15951 15953 15886 0 -1 0 5234 0 0 0 1660 9 0 0 25 0 1 0 1149704954 21401600 4779 1992294400 4194304 6412682 548682068864 18446744073709551615 4287126 0 0 4096 0 0 0 0 17 1 0 0
/proc/15953/statm: 5225 4779 256 541 0 4675 0
Current children cumulated CPU time (s) 16.69
Current children cumulated vsize (KiB) 20900

[startup+17.1012 s]
/proc/loadavg: 0.93 0.96 0.97 2/81 15954
/proc/meminfo: memFree=1837032/2055912 swapFree=4170588/4192956
[pid=15953] ppid=15951 vsize=21048 CPUtime=17.08
/proc/15953/stat : 15953 (kw) R 15951 15953 15886 0 -1 0 5254 0 0 0 1699 9 0 0 25 0 1 0 1149704954 21553152 4799 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/15953/statm: 5262 4799 256 541 0 4712 0
Current children cumulated CPU time (s) 17.08
Current children cumulated vsize (KiB) 21048

[startup+17.5013 s]
/proc/loadavg: 0.93 0.96 0.97 2/81 15954
/proc/meminfo: memFree=1836648/2055912 swapFree=4170588/4192956
[pid=15953] ppid=15951 vsize=21312 CPUtime=17.5
/proc/15953/stat : 15953 (kw) R 15951 15953 15886 0 -1 0 5321 0 0 0 1740 10 0 0 25 0 1 0 1149704954 21823488 4866 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/15953/statm: 5328 4866 256 541 0 4778 0
Current children cumulated CPU time (s) 17.5
Current children cumulated vsize (KiB) 21312

[startup+17.6063 s]
/proc/loadavg: 0.93 0.96 0.97 2/81 15954
/proc/meminfo: memFree=1836648/2055912 swapFree=4170588/4192956
[pid=15953] ppid=15951 vsize=21444 CPUtime=17.6
/proc/15953/stat : 15953 (kw) R 15951 15953 15886 0 -1 0 5354 0 0 0 1750 10 0 0 25 0 1 0 1149704954 21958656 4899 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/15953/statm: 5361 4899 256 541 0 4811 0
Current children cumulated CPU time (s) 17.6
Current children cumulated vsize (KiB) 21444

Child status: 10
Real time (s): 17.631
CPU time (s): 17.6263
CPU user time (s): 17.5213
CPU system time (s): 0.104984
CPU usage (%): 99.9734
Max. virtual memory (cumulated for all children) (KiB): 21444

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 17.5213
system time used= 0.104984
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5378
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= 27

runsolver used 0.027995 second user time and 0.06199 second system time

The end

Launcher Data

Begin job on node78 at 2009-04-03 16:53:31
IDJOB=1562092
IDBENCH=70928
IDSOLVER=501
FILE ID=node78/1562092-1238770411
PBS_JOBID= 9085546
Free space on /tmp= 126852 MiB

SOLVER NAME= kw 2009-03-20
BENCH NAME= SAT09/APPLICATIONS/edgematching/all/em_7_4_9_all.cnf
COMMAND LINE= HOME/kw BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1562092-1238770411/watcher-1562092-1238770411 -o /tmp/evaluation-result-1562092-1238770411/solver-1562092-1238770411 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/kw HOME/instance-1562092-1238770411.cnf

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

MD5SUM BENCH= d78c1359306a87fe47f1b830ca255359
RANDOM SEED=1835670495

node78.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		: 3000.214
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		: 3000.214
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:      2055912 kB
MemFree:       1856016 kB
Buffers:         17760 kB
Cached:         106608 kB
SwapCached:       7620 kB
Active:          17288 kB
Inactive:       117312 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055912 kB
LowFree:       1856016 kB
SwapTotal:     4192956 kB
SwapFree:      4170588 kB
Dirty:            2816 kB
Writeback:           0 kB
Mapped:          15868 kB
Slab:            49480 kB
Committed_AS:  2892096 kB
PageTables:       2556 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 126848 MiB
End job on node78 at 2009-04-03 16:53:48