Trace number 2084464

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 0.3.2? 108.82 109.774

DiagnosticValue
ASSIGNMENTS1000000

General information on the benchmark

Namecsp/graphColoring/
myciel/normalized-myciel7-7.xml
MD5SUM476f5652a7b81cad0245b6dfdd0cea29
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Satisfiable
(Un)Satisfiability was proved
Number of variables191
Number of constraints2360
Maximum constraint arity2
Maximum domain size7
Number of constraints which are defined in extension0
Number of constraints which are defined in intension2360
Global constraints used (with number of constraints)

Solver Data 

0.00/0.01	c small-domain mode
0.18/0.20	c Seed is 1067671795
0.18/0.20	c Constructing HOME/instance-2084464-1247724742.xml  with 2360 constraints
0.18/0.20	c Solving 1000001 backtracks 25 restarts
108.72/109.77	s UNKNOWN
108.72/109.77	c Too many backtracks
108.72/109.77	d ASSIGNMENTS 1000001

Verifier Data 

ERROR: Unexpected answer ! ('s SATISFIABLE'/'s UNSATISFIABLE' expected)
Got answer: UNKNOWN

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2084464-1247724742/watcher-2084464-1247724742 -o /tmp/evaluation-result-2084464-1247724742/solver-2084464-1247724742 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 1067671795 HOME/instance-2084464-1247724742.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: 2.15 2.03 2.01 4/72 16162
/proc/meminfo: memFree=1406800/2055920 swapFree=4192812/4192956
[pid=16162] ppid=16160 vsize=5260 CPUtime=0
/proc/16162/stat : 16162 (pcssolve) R 16160 16162 16046 0 -1 4194304 64 0 0 0 0 0 0 0 20 0 1 0 59541259 5386240 49 996147200 4194304 4889804 548682068800 18446744073709551615 214917251815 0 0 4096 0 0 0 0 17 1 0 0
/proc/16162/statm: 1315 49 37 169 0 14 0

[startup+0.013292 s]
/proc/loadavg: 2.15 2.03 2.01 4/72 16162
/proc/meminfo: memFree=1406800/2055920 swapFree=4192812/4192956
[pid=16162] ppid=16160 vsize=5356 CPUtime=0
/proc/16162/stat : 16162 (pcssolve) S 16160 16162 16046 0 -1 4194304 339 317 0 0 0 0 0 0 21 0 1 0 59541259 5484544 242 996147200 4194304 4889804 548682068800 18446744073709551615 214919865156 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/16162/statm: 1339 242 201 169 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5356

[startup+0.10131 s]
/proc/loadavg: 2.15 2.03 2.01 4/72 16162
/proc/meminfo: memFree=1406800/2055920 swapFree=4192812/4192956
[pid=16162] ppid=16160 vsize=4968 CPUtime=0.08
/proc/16162/stat : 16162 (pcs.small) R 16160 16162 16046 0 -1 4194304 952 822 0 0 8 0 0 0 18 0 1 0 59541259 5087232 561 996147200 134512640 135095119 4294956304 18446744073709551615 134555268 0 0 4096 0 0 0 0 17 1 0 0
/proc/16162/statm: 1242 561 386 142 0 196 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 4968

[startup+0.301351 s]
/proc/loadavg: 2.15 2.03 2.01 4/72 16162
/proc/meminfo: memFree=1406800/2055920 swapFree=4192812/4192956
[pid=16162] ppid=16160 vsize=5228 CPUtime=0.28
/proc/16162/stat : 16162 (pcs.small) R 16160 16162 16046 0 -1 4194304 1053 822 0 0 28 0 0 0 19 0 1 0 59541259 5353472 629 996147200 134512640 135095119 4294956304 18446744073709551615 134589562 0 0 4096 0 0 0 0 17 1 0 0
/proc/16162/statm: 1307 629 386 142 0 261 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 5228

[startup+0.703457 s]
/proc/loadavg: 2.15 2.03 2.01 4/72 16162
/proc/meminfo: memFree=1406800/2055920 swapFree=4192812/4192956
[pid=16162] ppid=16160 vsize=6524 CPUtime=0.67
/proc/16162/stat : 16162 (pcs.small) R 16160 16162 16046 0 -1 4194304 1438 822 0 0 67 0 0 0 23 0 1 0 59541259 6680576 916 996147200 134512640 135095119 4294956304 18446744073709551615 134848879 0 0 4096 0 0 0 0 17 1 0 0
/proc/16162/statm: 1631 916 386 142 0 585 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 6524

[startup+1.50161 s]
/proc/loadavg: 2.15 2.03 2.01 3/73 16168
/proc/meminfo: memFree=1403656/2055920 swapFree=4192812/4192956
[pid=16162] ppid=16160 vsize=9616 CPUtime=1.47
/proc/16162/stat : 16162 (pcs.small) R 16160 16162 16046 0 -1 4194304 2418 822 0 0 147 0 0 0 25 0 1 0 59541259 9846784 1573 996147200 134512640 135095119 4294956304 18446744073709551615 134556889 0 0 4096 0 0 0 0 17 1 0 0
/proc/16162/statm: 2404 1573 386 142 0 1358 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 9616

[startup+3.10295 s]
/proc/loadavg: 2.15 2.03 2.01 3/73 16168
/proc/meminfo: memFree=1399944/2055920 swapFree=4192812/4192956
[pid=16162] ppid=16160 vsize=14784 CPUtime=3.05
/proc/16162/stat : 16162 (pcs.small) R 16160 16162 16046 0 -1 4194304 4175 822 0 0 304 1 0 0 25 0 1 0 59541259 15138816 2816 996147200 134512640 135095119 4294956304 18446744073709551615 134589562 0 0 4096 0 0 0 0 17 1 0 0
/proc/16162/statm: 3696 2816 386 142 0 2650 0
Current children cumulated CPU time (s) 3.05
Current children cumulated vsize (KiB) 14784

[startup+6.30164 s]
/proc/loadavg: 2.13 2.03 2.01 3/73 16168
/proc/meminfo: memFree=1387464/2055920 swapFree=4192812/4192956
[pid=16162] ppid=16160 vsize=25892 CPUtime=6.22
/proc/16162/stat : 16162 (pcs.small) R 16160 16162 16046 0 -1 4194304 7747 822 0 0 620 2 0 0 25 0 1 0 59541259 26513408 5362 996147200 134512640 135095119 4294956304 18446744073709551615 134589560 0 0 4096 0 0 0 0 17 1 0 0
/proc/16162/statm: 6473 5362 386 142 0 5427 0
Current children cumulated CPU time (s) 6.22
Current children cumulated vsize (KiB) 25892

[startup+12.702 s]
/proc/loadavg: 2.12 2.03 2.01 3/73 16168
/proc/meminfo: memFree=1366536/2055920 swapFree=4192812/4192956
[pid=16162] ppid=16160 vsize=47600 CPUtime=12.57
/proc/16162/stat : 16162 (pcs.small) R 16160 16162 16046 0 -1 4194304 14758 822 0 0 1250 7 0 0 25 0 1 0 59541259 48742400 10323 996147200 134512640 135095119 4294956304 18446744073709551615 134607077 0 0 4096 0 0 0 0 17 1 0 0
/proc/16162/statm: 11900 10323 386 142 0 10854 0
Current children cumulated CPU time (s) 12.57
Current children cumulated vsize (KiB) 47600

[startup+25.5018 s]
/proc/loadavg: 2.10 2.03 2.01 3/73 16168
/proc/meminfo: memFree=1329928/2055920 swapFree=4192812/4192956
[pid=16162] ppid=16160 vsize=90112 CPUtime=25.26
/proc/16162/stat : 16162 (pcs.small) R 16160 16162 16046 0 -1 4194304 27710 822 0 0 2513 13 0 0 25 0 1 0 59541259 92274688 19177 996147200 134512640 135095119 4294956304 18446744073709551615 134589508 0 0 4096 0 0 0 0 17 1 0 0
/proc/16162/statm: 22528 19177 386 142 0 21482 0
Current children cumulated CPU time (s) 25.26
Current children cumulated vsize (KiB) 90112

[startup+51.1013 s]
/proc/loadavg: 2.06 2.03 2.01 3/73 16168
/proc/meminfo: memFree=1251592/2055920 swapFree=4192812/4192956
[pid=16162] ppid=16160 vsize=179132 CPUtime=50.63
/proc/16162/stat : 16162 (pcs.small) R 16160 16162 16046 0 -1 4194304 55293 822 0 0 5037 26 0 0 25 0 1 0 59541259 183431168 38566 996147200 134512640 135095119 4294956304 18446744073709551615 134617027 0 0 4096 0 0 0 0 17 1 0 0
/proc/16162/statm: 44783 38566 386 142 0 43737 0
Current children cumulated CPU time (s) 50.63
Current children cumulated vsize (KiB) 179132

[startup+102.306 s]
/proc/loadavg: 2.02 2.02 2.00 3/73 16168
/proc/meminfo: memFree=1171144/2055920 swapFree=4192812/4192956
[pid=16162] ppid=16160 vsize=252988 CPUtime=101.39
/proc/16162/stat : 16162 (pcs.small) R 16160 16162 16046 0 -1 4194304 82785 822 0 0 10097 42 0 0 25 0 1 0 59541259 259059712 57865 996147200 134512640 135095119 4294956304 18446744073709551615 134589536 0 0 4096 0 0 0 0 17 1 0 0
/proc/16162/statm: 63247 57865 386 142 0 62201 0
Current children cumulated CPU time (s) 101.39
Current children cumulated vsize (KiB) 252988

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

[startup+105.502 s]
/proc/loadavg: 2.02 2.02 2.00 3/73 16168
/proc/meminfo: memFree=1165064/2055920 swapFree=4192812/4192956
[pid=16162] ppid=16160 vsize=256444 CPUtime=104.57
/proc/16162/stat : 16162 (pcs.small) R 16160 16162 16046 0 -1 4194304 84131 822 0 0 10414 43 0 0 25 0 1 0 59541259 262598656 59211 996147200 134512640 135095119 4294956304 18446744073709551615 134617043 0 0 4096 0 0 0 0 17 1 0 0
/proc/16162/statm: 64111 59211 386 142 0 63065 0
Current children cumulated CPU time (s) 104.57
Current children cumulated vsize (KiB) 256444

[startup+107.101 s]
/proc/loadavg: 2.02 2.02 2.00 3/73 16168
/proc/meminfo: memFree=1163144/2055920 swapFree=4192812/4192956
[pid=16162] ppid=16160 vsize=258108 CPUtime=106.15
/proc/16162/stat : 16162 (pcs.small) R 16160 16162 16046 0 -1 4194304 84782 822 0 0 10572 43 0 0 25 0 1 0 59541259 264302592 59862 996147200 134512640 135095119 4294956304 18446744073709551615 134589545 0 0 4096 0 0 0 0 17 1 0 0
/proc/16162/statm: 64527 59862 386 142 0 63481 0
Current children cumulated CPU time (s) 106.15
Current children cumulated vsize (KiB) 258108

[startup+108.702 s]
/proc/loadavg: 2.02 2.02 2.00 3/73 16168
/proc/meminfo: memFree=1161096/2055920 swapFree=4192812/4192956
[pid=16162] ppid=16160 vsize=259772 CPUtime=107.74
/proc/16162/stat : 16162 (pcs.small) R 16160 16162 16046 0 -1 4194304 85441 822 0 0 10730 44 0 0 25 0 1 0 59541259 266006528 60521 996147200 134512640 135095119 4294956304 18446744073709551615 9371234 0 0 4096 0 0 0 0 17 1 0 0
/proc/16162/statm: 64943 60521 386 142 0 63897 0
Current children cumulated CPU time (s) 107.74
Current children cumulated vsize (KiB) 259772

[startup+109.502 s]
/proc/loadavg: 2.02 2.02 2.00 3/73 16168
/proc/meminfo: memFree=1159112/2055920 swapFree=4192812/4192956
[pid=16162] ppid=16160 vsize=161460 CPUtime=108.53
/proc/16162/stat : 16162 (pcs.small) R 16160 16162 16046 0 -1 4194304 85470 822 0 0 10808 45 0 0 25 0 1 0 59541259 165335040 39724 996147200 134512640 135095119 4294956304 18446744073709551615 9334782 0 0 4096 0 0 0 0 17 1 0 0
/proc/16162/statm: 40365 39724 386 142 0 39319 0
Current children cumulated CPU time (s) 108.53
Current children cumulated vsize (KiB) 161460

[startup+109.703 s]
/proc/loadavg: 2.02 2.02 2.00 3/73 16168
/proc/meminfo: memFree=1159112/2055920 swapFree=4192812/4192956
[pid=16162] ppid=16160 vsize=161460 CPUtime=108.72
/proc/16162/stat : 16162 (pcs.small) R 16160 16162 16046 0 -1 4194304 85470 822 0 0 10827 45 0 0 25 0 1 0 59541259 165335040 39724 996147200 134512640 135095119 4294956304 18446744073709551615 9334873 0 0 4096 0 0 0 0 17 1 0 0
/proc/16162/statm: 40365 39724 386 142 0 39319 0
Current children cumulated CPU time (s) 108.72
Current children cumulated vsize (KiB) 161460

Child status: 0
Real time (s): 109.774
CPU time (s): 108.82
CPU user time (s): 108.329
CPU system time (s): 0.491925
CPU usage (%): 99.1311
Max. virtual memory (cumulated for all children) (KiB): 259772

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 108.329
system time used= 0.491925
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 86294
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= 22
involuntary context switches= 2332

runsolver used 0.123981 second user time and 0.347947 second system time

The end

Launcher Data 

Begin job on node10 at 2009-07-16 08:12:22
IDJOB=2084464
IDBENCH=58082
IDSOLVER=734
FILE ID=node10/2084464-1247724742
PBS_JOBID= 9521500
Free space on /tmp= 66360 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/graphColoring/myciel/normalized-myciel7-7.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2084464-1247724742/watcher-2084464-1247724742 -o /tmp/evaluation-result-2084464-1247724742/solver-2084464-1247724742 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 1067671795 HOME/instance-2084464-1247724742.xml

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

MD5SUM BENCH= 476f5652a7b81cad0245b6dfdd0cea29
RANDOM SEED=1067671795

node10.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		: 3000.279
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		: 3000.279
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:       1407280 kB
Buffers:         76240 kB
Cached:         229148 kB
SwapCached:          0 kB
Active:         344224 kB
Inactive:       231272 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1407280 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2356 kB
Writeback:           0 kB
Mapped:         281692 kB
Slab:            57928 kB
Committed_AS:   852680 kB
PageTables:       2272 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= 66356 MiB
End job on node10 at 2009-07-16 08:14:12