Trace number 2084541

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? 71.3402 71.9514

DiagnosticValue
ASSIGNMENTS1000000

General information on the benchmark

Namecsp/graphColoring/
myciel/normalized-myciel6-6.xml
MD5SUM0d97c29a461b112505245a691895ab8d
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 variables95
Number of constraints755
Maximum constraint arity2
Maximum domain size6
Number of constraints which are defined in extension0
Number of constraints which are defined in intension755
Global constraints used (with number of constraints)

Solver Data 

0.00/0.01	c small-domain mode
0.17/0.21	c Seed is 1152418082
0.17/0.21	c Constructing HOME/instance-2084541-1247724812.xml  with 755 constraints
0.17/0.21	c Solving 1000001 backtracks 25 restarts
71.27/71.95	s UNKNOWN
71.27/71.95	c Too many backtracks
71.27/71.95	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-2084541-1247724812/watcher-2084541-1247724812 -o /tmp/evaluation-result-2084541-1247724812/solver-2084541-1247724812 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 1152418082 HOME/instance-2084541-1247724812.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: 2.00 2.00 2.00 4/72 14595
/proc/meminfo: memFree=918744/2055920 swapFree=4192812/4192956
[pid=14595] ppid=14593 vsize=5356 CPUtime=0
/proc/14595/stat : 14595 (pcssolve) R 14593 14595 12884 0 -1 4194304 273 0 0 0 0 0 0 0 20 0 1 0 59544875 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 208717539999 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/14595/statm: 1339 241 200 169 0 50 0
[pid=14596] ppid=14595 vsize=5356 CPUtime=0
/proc/14596/stat : 14596 (pcssolve) R 14595 14595 12884 0 -1 4194368 0 0 0 0 0 0 0 0 20 0 1 0 59544876 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 208717539999 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/14596/statm: 1339 241 200 169 0 50 0

[startup+0.066831 s]
/proc/loadavg: 2.00 2.00 2.00 4/72 14595
/proc/meminfo: memFree=918744/2055920 swapFree=4192812/4192956
[pid=14595] ppid=14593 vsize=4644 CPUtime=0.04
/proc/14595/stat : 14595 (pcs.small) R 14593 14595 12884 0 -1 4194304 873 819 0 0 4 0 0 0 18 0 1 0 59544875 4755456 482 996147200 134512640 135095119 4294956304 18446744073709551615 10952486 0 0 4096 0 0 0 0 17 1 0 0
/proc/14595/statm: 1161 482 385 142 0 115 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 4644

[startup+0.101833 s]
/proc/loadavg: 2.00 2.00 2.00 4/72 14595
/proc/meminfo: memFree=918744/2055920 swapFree=4192812/4192956
[pid=14595] ppid=14593 vsize=4644 CPUtime=0.08
/proc/14595/stat : 14595 (pcs.small) R 14593 14595 12884 0 -1 4194304 907 819 0 0 8 0 0 0 18 0 1 0 59544875 4755456 516 996147200 134512640 135095119 4294956304 18446744073709551615 134617268 0 0 4096 0 0 0 0 17 1 0 0
/proc/14595/statm: 1161 516 385 142 0 115 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 4644

[startup+0.301855 s]
/proc/loadavg: 2.00 2.00 2.00 4/72 14595
/proc/meminfo: memFree=918744/2055920 swapFree=4192812/4192956
[pid=14595] ppid=14593 vsize=5940 CPUtime=0.27
/proc/14595/stat : 14595 (pcs.small) R 14593 14595 12884 0 -1 4194304 1290 819 0 0 27 0 0 0 19 0 1 0 59544875 6082560 768 996147200 134512640 135095119 4294956304 18446744073709551615 134589562 0 0 4096 0 0 0 0 17 1 0 0
/proc/14595/statm: 1485 768 385 142 0 439 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 5940

[startup+0.701898 s]
/proc/loadavg: 2.00 2.00 2.00 4/72 14595
/proc/meminfo: memFree=918744/2055920 swapFree=4192812/4192956
[pid=14595] ppid=14593 vsize=8000 CPUtime=0.67
/proc/14595/stat : 14595 (pcs.small) R 14593 14595 12884 0 -1 4194304 1955 819 0 0 67 0 0 0 23 0 1 0 59544875 8192000 1239 996147200 134512640 135095119 4294956304 18446744073709551615 134617070 0 0 4096 0 0 0 0 17 1 0 0
/proc/14595/statm: 2000 1239 385 142 0 954 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 8000

[startup+1.50198 s]
/proc/loadavg: 2.08 2.02 2.01 3/73 14601
/proc/meminfo: memFree=913488/2055920 swapFree=4192812/4192956
[pid=14595] ppid=14593 vsize=11992 CPUtime=1.46
/proc/14595/stat : 14595 (pcs.small) R 14593 14595 12884 0 -1 4194304 3310 819 0 0 145 1 0 0 25 0 1 0 59544875 12279808 2208 996147200 134512640 135095119 4294956304 18446744073709551615 134616742 0 0 4096 0 0 0 0 17 1 0 0
/proc/14595/statm: 2998 2208 385 142 0 1952 0
Current children cumulated CPU time (s) 1.46
Current children cumulated vsize (KiB) 11992

[startup+3.10216 s]
/proc/loadavg: 2.08 2.02 2.01 3/73 14601
/proc/meminfo: memFree=908048/2055920 swapFree=4192812/4192956
[pid=14595] ppid=14593 vsize=19860 CPUtime=3.05
/proc/14595/stat : 14595 (pcs.small) R 14593 14595 12884 0 -1 4194304 5948 819 0 0 303 2 0 0 25 0 1 0 59544875 20336640 4076 996147200 134512640 135095119 4294956304 18446744073709551615 134848884 0 0 4096 0 0 0 0 17 1 0 0
/proc/14595/statm: 4965 4076 385 142 0 3919 0
Current children cumulated CPU time (s) 3.05
Current children cumulated vsize (KiB) 19860

[startup+6.30151 s]
/proc/loadavg: 2.07 2.02 2.00 3/73 14601
/proc/meminfo: memFree=893008/2055920 swapFree=4192812/4192956
[pid=14595] ppid=14593 vsize=34972 CPUtime=6.23
/proc/14595/stat : 14595 (pcs.small) R 14593 14595 12884 0 -1 4194304 11014 819 0 0 619 4 0 0 25 0 1 0 59544875 35811328 7604 996147200 134512640 135095119 4294956304 18446744073709551615 134642903 0 0 4096 0 0 0 0 17 1 0 0
/proc/14595/statm: 8743 7604 385 142 0 7697 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 34972

[startup+12.7012 s]
/proc/loadavg: 2.07 2.02 2.00 3/73 14601
/proc/meminfo: memFree=866576/2055920 swapFree=4192812/4192956
[pid=14595] ppid=14593 vsize=63392 CPUtime=12.57
/proc/14595/stat : 14595 (pcs.small) R 14593 14595 12884 0 -1 4194304 20348 819 0 0 1248 9 0 0 25 0 1 0 59544875 64913408 13864 996147200 134512640 135095119 4294956304 18446744073709551615 134582115 0 0 4096 0 0 0 0 17 1 0 0
/proc/14595/statm: 15848 13864 385 142 0 14802 0
Current children cumulated CPU time (s) 12.57
Current children cumulated vsize (KiB) 63392

[startup+25.5016 s]
/proc/loadavg: 2.05 2.01 2.00 3/73 14601
/proc/meminfo: memFree=819216/2055920 swapFree=4192812/4192956
[pid=14595] ppid=14593 vsize=117256 CPUtime=25.26
/proc/14595/stat : 14595 (pcs.small) R 14593 14595 12884 0 -1 4194304 37926 819 0 0 2510 16 0 0 25 0 1 0 59544875 120070144 25296 996147200 134512640 135095119 4294956304 18446744073709551615 134583187 0 0 4096 0 0 0 0 17 1 0 0
/proc/14595/statm: 29314 25296 385 142 0 28268 0
Current children cumulated CPU time (s) 25.26
Current children cumulated vsize (KiB) 117256

[startup+51.1014 s]
/proc/loadavg: 2.03 2.01 2.00 3/73 14601
/proc/meminfo: memFree=737488/2055920 swapFree=4192812/4192956
[pid=14595] ppid=14593 vsize=217180 CPUtime=50.65
/proc/14595/stat : 14595 (pcs.small) R 14593 14595 12884 0 -1 4194304 70018 819 0 0 5033 32 0 0 25 0 1 0 59544875 222392320 45098 996147200 134512640 135095119 4294956304 18446744073709551615 134838109 0 0 4096 0 0 0 0 17 1 0 0
/proc/14595/statm: 54295 45098 385 142 0 53249 0
Current children cumulated CPU time (s) 50.65
Current children cumulated vsize (KiB) 217180

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

[startup+63.9017 s]
/proc/loadavg: 2.03 2.01 2.00 3/73 14601
/proc/meminfo: memFree=696528/2055920 swapFree=4192812/4192956
[pid=14595] ppid=14593 vsize=240640 CPUtime=63.34
/proc/14595/stat : 14595 (pcs.small) R 14593 14595 12884 0 -1 4194304 79345 819 0 0 6299 35 0 0 25 0 1 0 59544875 246415360 54425 996147200 134512640 135095119 4294956304 18446744073709551615 134589562 0 0 4096 0 0 0 0 17 1 0 0
/proc/14595/statm: 60160 54425 385 142 0 59114 0
Current children cumulated CPU time (s) 63.34
Current children cumulated vsize (KiB) 240640

[startup+67.1061 s]
/proc/loadavg: 2.02 2.01 2.00 3/73 14601
/proc/meminfo: memFree=686672/2055920 swapFree=4192812/4192956
[pid=14595] ppid=14593 vsize=246300 CPUtime=66.52
/proc/14595/stat : 14595 (pcs.small) R 14593 14595 12884 0 -1 4194304 81565 819 0 0 6615 37 0 0 25 0 1 0 59544875 252211200 56645 996147200 134512640 135095119 4294956304 18446744073709551615 134838329 0 0 4096 0 0 0 0 17 1 0 0
/proc/14595/statm: 61575 56645 385 142 0 60529 0
Current children cumulated CPU time (s) 66.52
Current children cumulated vsize (KiB) 246300

[startup+70.3014 s]
/proc/loadavg: 2.02 2.01 2.00 3/73 14601
/proc/meminfo: memFree=676816/2055920 swapFree=4192812/4192956
[pid=14595] ppid=14593 vsize=251836 CPUtime=69.7
/proc/14595/stat : 14595 (pcs.small) R 14593 14595 12884 0 -1 4194304 83773 819 0 0 6932 38 0 0 25 0 1 0 59544875 257880064 58853 996147200 134512640 135095119 4294956304 18446744073709551615 134617027 0 0 4096 0 0 0 0 17 1 0 0
/proc/14595/statm: 62959 58853 385 142 0 61913 0
Current children cumulated CPU time (s) 69.7
Current children cumulated vsize (KiB) 251836

[startup+71.1025 s]
/proc/loadavg: 2.02 2.01 2.00 3/73 14601
/proc/meminfo: memFree=676816/2055920 swapFree=4192812/4192956
[pid=14595] ppid=14593 vsize=252992 CPUtime=70.49
/proc/14595/stat : 14595 (pcs.small) R 14593 14595 12884 0 -1 4194304 84225 819 0 0 7011 38 0 0 25 0 1 0 59544875 259063808 59305 996147200 134512640 135095119 4294956304 18446744073709551615 10952232 0 0 4096 0 0 0 0 17 1 0 0
/proc/14595/statm: 63248 59305 385 142 0 62202 0
Current children cumulated CPU time (s) 70.49
Current children cumulated vsize (KiB) 252992

[startup+71.5076 s]
/proc/loadavg: 2.02 2.01 2.00 3/73 14601
/proc/meminfo: memFree=706000/2055920 swapFree=4192812/4192956
[pid=14595] ppid=14593 vsize=220220 CPUtime=70.88
/proc/14595/stat : 14595 (pcs.small) R 14593 14595 12884 0 -1 4194304 84225 819 0 0 7050 38 0 0 25 0 1 0 59544875 225505280 51486 996147200 134512640 135095119 4294956304 18446744073709551615 10948677 0 0 4096 0 0 0 0 17 1 0 0
/proc/14595/statm: 55055 51486 385 142 0 54009 0
Current children cumulated CPU time (s) 70.88
Current children cumulated vsize (KiB) 220220

[startup+71.9026 s]
/proc/loadavg: 2.02 2.01 2.00 3/73 14601
/proc/meminfo: memFree=706000/2055920 swapFree=4192812/4192956
[pid=14595] ppid=14593 vsize=220220 CPUtime=71.27
/proc/14595/stat : 14595 (pcs.small) R 14593 14595 12884 0 -1 4194304 84225 819 0 0 7089 38 0 0 25 0 1 0 59544875 225505280 51486 996147200 134512640 135095119 4294956304 18446744073709551615 10948677 0 0 4096 0 0 0 0 17 1 0 0
/proc/14595/statm: 55055 51486 385 142 0 54009 0
Current children cumulated CPU time (s) 71.27
Current children cumulated vsize (KiB) 220220

Child status: 0
Real time (s): 71.9514
CPU time (s): 71.3402
CPU user time (s): 70.9112
CPU system time (s): 0.428934
CPU usage (%): 99.1505
Max. virtual memory (cumulated for all children) (KiB): 252992

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 70.9112
system time used= 0.428934
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 85046
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= 23
involuntary context switches= 1575

runsolver used 0.089986 second user time and 0.226965 second system time

The end

Launcher Data 

Begin job on node47 at 2009-07-16 08:13:32
IDJOB=2084541
IDBENCH=58089
IDSOLVER=734
FILE ID=node47/2084541-1247724812
PBS_JOBID= 9521422
Free space on /tmp= 66384 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/graphColoring/myciel/normalized-myciel6-6.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2084541-1247724812/watcher-2084541-1247724812 -o /tmp/evaluation-result-2084541-1247724812/solver-2084541-1247724812 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 1152418082 HOME/instance-2084541-1247724812.xml

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

MD5SUM BENCH= 0d97c29a461b112505245a691895ab8d
RANDOM SEED=1152418082

node47.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		: 3000.218
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		: 3000.218
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:        919224 kB
Buffers:         88620 kB
Cached:         730576 kB
SwapCached:          0 kB
Active:         462344 kB
Inactive:       581208 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        919224 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1796 kB
Writeback:           0 kB
Mapped:         235812 kB
Slab:            78052 kB
Committed_AS:   752560 kB
PageTables:       2280 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= 66380 MiB
End job on node47 at 2009-07-16 08:14:44