Trace number 2079877

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
pcs-restart 0.3.2SAT 6.51001 6.57981

DiagnosticValue
ASSIGNMENTS54

General information on the benchmark

Namecsp/travellingSalesman-20/
normalized-tsp-20-29_ext.xml
MD5SUM7ae50f6d6a62511b0bcb1887c36d915c
Bench CategoryN-ARY-EXT (n-ary constraints in extension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.082987
Satisfiable
(Un)Satisfiability was proved
Number of variables61
Number of constraints230
Maximum constraint arity3
Maximum domain size1001
Number of constraints which are defined in extension230
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data 

0.00/0.01	c has big domains
0.00/0.01	c big-domain mode
0.17/0.21	c Seed is 611360079
0.17/0.21	c Constructing HOME/instance-2079877-1247717153.xml  with 3839 constraints
0.17/0.21	c Solving 54 backtracks 2 restarts
6.43/6.57	s SATISFIABLE
6.43/6.57	c V0=17, V1=13, V2=13, V3=11, V4=20, V5=8, V6=15, V7=8, V8=19, V9=0, V10=9, V11=6, V12=6, V13=5, V14=12, V15=4, V16=16, V17=12, V18=5, V19=4, V20=18, V21=9, V22=7, V23=11, V24=14, V25=2, V26=8, V27=3, V28=4, V29=3, V30=2, V31=1, V32=3, V33=4, V34=10, V35=11, V36=1, V37=13, V38=11, V39=3, V40=24, V41=32, V42=40, V43=40, V44=46, V45=51, V46=55, V47=67, V48=71, V49=80, V50=91, V51=93, V52=96, V53=99, V54=100, V55=104, V56=115, V57=128, V58=131, V59=131, V60=0, 
6.43/6.57	v 17 13 13 11 20 8 15 8 19 0 9 6 6 5 12 4 16 12 5 4 18 9 7 11 14 2 8 3 4 3 2 1 3 4 10 11 1 13 11 3 24 32 40 40 46 51 55 67 71 80 91 93 96 99 100 104 115 128 131 131 0 
6.43/6.57	d ASSIGNMENTS 54

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-2079877-1247717153/watcher-2079877-1247717153 -o /tmp/evaluation-result-2079877-1247717153/solver-2079877-1247717153 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 611360079 HOME/instance-2079877-1247717153.xml 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 921600 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 972800 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.01 2.03 2.00 4/81 14871
/proc/meminfo: memFree=1434072/2055920 swapFree=4192812/4192956
[pid=14871] ppid=14869 vsize=5356 CPUtime=0
/proc/14871/stat : 14871 (pcssolve) R 14869 14871 11468 0 -1 4194304 290 0 0 0 0 0 0 0 21 0 1 0 58778397 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 217051622047 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/14871/statm: 1339 241 200 169 0 50 0
[pid=14872] ppid=14871 vsize=200 CPUtime=0
/proc/14872/stat : 14872 (fgrep) R 14871 14871 11468 0 -1 4194304 46 0 0 0 0 0 0 0 22 0 1 0 58778398 204800 24 996147200 4194304 4274172 548682068976 18446744073709551615 217049003401 0 0 4096 0 0 0 0 17 1 0 0
/proc/14872/statm: 50 24 17 19 0 4 0
[pid=14873] ppid=14871 vsize=5356 CPUtime=0
/proc/14873/stat : 14873 (pcssolve) R 14871 14871 11468 0 -1 4194368 0 0 0 0 0 0 0 0 21 0 1 0 58778398 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 217051622047 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/14873/statm: 1339 241 200 169 0 50 0

[startup+0.0927329 s]
/proc/loadavg: 2.01 2.03 2.00 4/81 14871
/proc/meminfo: memFree=1434072/2055920 swapFree=4192812/4192956
[pid=14871] ppid=14869 vsize=6068 CPUtime=0.07
/proc/14871/stat : 14871 (pcs.big) R 14869 14871 11468 0 -1 4194304 1201 743 0 0 7 0 0 0 18 0 1 0 58778397 6213632 830 996147200 134512640 135215973 4294956304 18446744073709551615 134583383 0 0 4096 0 0 0 0 17 1 0 0
/proc/14871/statm: 1517 830 404 171 0 442 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 6068

[startup+0.101727 s]
/proc/loadavg: 2.01 2.03 2.00 4/81 14871
/proc/meminfo: memFree=1434072/2055920 swapFree=4192812/4192956
[pid=14871] ppid=14869 vsize=6068 CPUtime=0.07
/proc/14871/stat : 14871 (pcs.big) R 14869 14871 11468 0 -1 4194304 1206 743 0 0 7 0 0 0 18 0 1 0 58778397 6213632 835 996147200 134512640 135215973 4294956304 18446744073709551615 134583202 0 0 4096 0 0 0 0 17 1 0 0
/proc/14871/statm: 1517 835 404 171 0 442 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 6068

[startup+0.301767 s]
/proc/loadavg: 2.01 2.03 2.00 4/81 14871
/proc/meminfo: memFree=1434072/2055920 swapFree=4192812/4192956
[pid=14871] ppid=14869 vsize=6200 CPUtime=0.27
/proc/14871/stat : 14871 (pcs.big) R 14869 14871 11468 0 -1 4194304 1238 743 0 0 27 0 0 0 19 0 1 0 58778397 6348800 867 996147200 134512640 135215973 4294956304 18446744073709551615 134590545 0 0 4096 0 0 0 0 17 1 0 0
/proc/14871/statm: 1550 867 406 171 0 475 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 6200

[startup+0.701841 s]
/proc/loadavg: 2.01 2.03 2.00 4/81 14871
/proc/meminfo: memFree=1434072/2055920 swapFree=4192812/4192956
[pid=14871] ppid=14869 vsize=6200 CPUtime=0.67
/proc/14871/stat : 14871 (pcs.big) R 14869 14871 11468 0 -1 4194304 1240 743 0 0 67 0 0 0 23 0 1 0 58778397 6348800 869 996147200 134512640 135215973 4294956304 18446744073709551615 135020293 0 0 4096 0 0 0 0 17 1 0 0
/proc/14871/statm: 1550 869 406 171 0 475 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 6200

[startup+1.502 s]
/proc/loadavg: 2.01 2.03 2.00 3/82 14876
/proc/meminfo: memFree=1432144/2055920 swapFree=4192812/4192956
[pid=14871] ppid=14869 vsize=6200 CPUtime=1.46
/proc/14871/stat : 14871 (pcs.big) R 14869 14871 11468 0 -1 4194304 1240 743 0 0 146 0 0 0 25 0 1 0 58778397 6348800 869 996147200 134512640 135215973 4294956304 18446744073709551615 134583202 0 0 4096 0 0 0 0 17 1 0 0
/proc/14871/statm: 1550 869 406 171 0 475 0
Current children cumulated CPU time (s) 1.46
Current children cumulated vsize (KiB) 6200

[startup+3.1013 s]
/proc/loadavg: 2.01 2.03 2.00 3/82 14876
/proc/meminfo: memFree=1431952/2055920 swapFree=4192812/4192956
[pid=14871] ppid=14869 vsize=6200 CPUtime=3.05
/proc/14871/stat : 14871 (pcs.big) R 14869 14871 11468 0 -1 4194304 1250 743 0 0 305 0 0 0 25 0 1 0 58778397 6348800 879 996147200 134512640 135215973 4294956304 18446744073709551615 135020335 0 0 4096 0 0 0 0 17 1 0 0
/proc/14871/statm: 1550 879 406 171 0 475 0
Current children cumulated CPU time (s) 3.05
Current children cumulated vsize (KiB) 6200

[startup+6.30191 s]
/proc/loadavg: 2.01 2.03 2.00 3/82 14876
/proc/meminfo: memFree=1431760/2055920 swapFree=4192812/4192956
[pid=14871] ppid=14869 vsize=6336 CPUtime=6.23
/proc/14871/stat : 14871 (pcs.big) R 14869 14871 11468 0 -1 4194304 1285 743 0 0 622 1 0 0 25 0 1 0 58778397 6488064 914 996147200 134512640 135215973 4294956304 18446744073709551615 135020404 0 0 4096 0 0 0 0 17 1 0 0
/proc/14871/statm: 1584 914 406 171 0 509 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 6336

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

[startup+6.50195 s]
/proc/loadavg: 2.01 2.03 2.00 3/82 14876
/proc/meminfo: memFree=1431696/2055920 swapFree=4192812/4192956
[pid=14871] ppid=14869 vsize=6336 CPUtime=6.43
/proc/14871/stat : 14871 (pcs.big) R 14869 14871 11468 0 -1 4194304 1289 743 0 0 642 1 0 0 25 0 1 0 58778397 6488064 918 996147200 134512640 135215973 4294956304 18446744073709551615 135020221 0 0 4096 0 0 0 0 17 1 0 0
/proc/14871/statm: 1584 918 406 171 0 509 0
Current children cumulated CPU time (s) 6.43
Current children cumulated vsize (KiB) 6336

Child status: 0
Real time (s): 6.57981
CPU time (s): 6.51001
CPU user time (s): 6.49501
CPU system time (s): 0.014997
CPU usage (%): 98.9391
Max. virtual memory (cumulated for all children) (KiB): 6336

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.49501
system time used= 0.014997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2037
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= 19
involuntary context switches= 273

runsolver used 0.008998 second user time and 0.027995 second system time

The end

Launcher Data 

Begin job on node59 at 2009-07-16 06:05:53
IDJOB=2079877
IDBENCH=56967
IDSOLVER=734
FILE ID=node59/2079877-1247717153
PBS_JOBID= 9521310
Free space on /tmp= 66340 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/travellingSalesman-20/normalized-tsp-20-29_ext.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2079877-1247717153/watcher-2079877-1247717153 -o /tmp/evaluation-result-2079877-1247717153/solver-2079877-1247717153 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 611360079 HOME/instance-2079877-1247717153.xml

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 7ae50f6d6a62511b0bcb1887c36d915c
RANDOM SEED=611360079

node59.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		: 3000.263
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		: 3000.263
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:       1434552 kB
Buffers:        102120 kB
Cached:         361844 kB
SwapCached:          0 kB
Active:         110472 kB
Inactive:       414060 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1434552 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2048 kB
Writeback:           0 kB
Mapped:          80944 kB
Slab:            81740 kB
Committed_AS:   629108 kB
PageTables:       2028 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= 66340 MiB
End job on node59 at 2009-07-16 06:05:59