Trace number 269582

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, and are wall clock time (not CPU 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
VALCSP 3.1UNSAT 21.3208 21.48

DiagnosticValue
CHECKS187350000
NODES5529

General information on the benchmark

Namezhou/
color.xml
MD5SUMb6dccf82748f133a8ccf43d524c7521f
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark3.15452
SatisfiableNO
(Un)Satisfiability was proved
Number of variables500
Number of constraints12458
Maximum constraint arity2
Maximum domain size5
Number of constraints which are defined in extension0
Number of constraints which are defined in intension12458
Global constraints used (with number of constraints)

Solver Data (download as text)

21.47	s UNSATISFIABLE
21.47	d CHECKS 1.8735e+08
21.47	d NODES 5529

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

runsolver version 3.1.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node52/watcher-269582-1168981080 -o ROOT/results/node52/solver-269582-1168981080 -C 1800 -M 900 /tmp/evaluation/269582-1168981080/VALCSP /tmp/evaluation/269582-1168981080/unknown.xml 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 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

/proc/loadavg: 0.91 0.87 0.79 5/73 23198
/proc/meminfo: memFree=1726888/2055920 swapFree=4192812/4192956
[pid=23197] ppid=23195 vsize=18540 CPUtime=0
/proc/23197/stat : 23197 (runsolver) R 23195 23197 23110 0 -1 4194368 16 0 0 0 0 0 0 0 21 0 1 0 246506484 18984960 279 18446744073709551615 4194304 4267372 548682069088 18446744073709551615 273653755175 0 0 4096 24578 0 0 0 17 1 0 0
/proc/23197/statm: 4635 279 244 17 0 2626 0

[startup+0.156408 s]
/proc/loadavg: 0.91 0.87 0.79 5/73 23198
/proc/meminfo: memFree=1726888/2055920 swapFree=4192812/4192956
[pid=23197] ppid=23195 vsize=8612 CPUtime=0.14
/proc/23197/stat : 23197 (VALCSP) R 23195 23197 23110 0 -1 4194304 1915 0 0 0 13 1 0 0 21 0 1 0 246506484 8818688 1893 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 4747905 0 0 4096 0 0 0 0 17 1 0 0
/proc/23197/statm: 2153 1893 64 8 0 1825 0
Current children cumulated CPU time (s) 0.14
Current children cumulated vsize (KiB) 8612

[startup+0.56444 s]
/proc/loadavg: 0.91 0.87 0.79 5/73 23198
/proc/meminfo: memFree=1726888/2055920 swapFree=4192812/4192956
[pid=23197] ppid=23195 vsize=21372 CPUtime=0.55
/proc/23197/stat : 23197 (VALCSP) R 23195 23197 23110 0 -1 4194304 5099 0 0 0 53 2 0 0 25 0 1 0 246506484 21884928 5077 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134524747 0 0 4096 0 0 0 0 17 1 0 0
/proc/23197/statm: 5343 5077 67 8 0 5015 0
Current children cumulated CPU time (s) 0.55
Current children cumulated vsize (KiB) 21372

[startup+1.38549 s]
/proc/loadavg: 0.91 0.87 0.79 3/73 23198
/proc/meminfo: memFree=1706792/2055920 swapFree=4192812/4192956
[pid=23197] ppid=23195 vsize=21372 CPUtime=1.36
/proc/23197/stat : 23197 (VALCSP) R 23195 23197 23110 0 -1 4194304 5099 0 0 0 134 2 0 0 25 0 1 0 246506484 21884928 5077 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134524894 0 0 4096 0 0 0 0 17 1 0 0
/proc/23197/statm: 5343 5077 67 8 0 5015 0
Current children cumulated CPU time (s) 1.36
Current children cumulated vsize (KiB) 21372

[startup+3.0226 s]
/proc/loadavg: 0.91 0.87 0.79 3/73 23198
/proc/meminfo: memFree=1706664/2055920 swapFree=4192812/4192956
[pid=23197] ppid=23195 vsize=21372 CPUtime=2.99
/proc/23197/stat : 23197 (VALCSP) R 23195 23197 23110 0 -1 4194304 5099 0 0 0 297 2 0 0 25 0 1 0 246506484 21884928 5077 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134524973 0 0 4096 0 0 0 0 17 1 0 0
/proc/23197/statm: 5343 5077 67 8 0 5015 0
Current children cumulated CPU time (s) 2.99
Current children cumulated vsize (KiB) 21372

[startup+6.31283 s]
/proc/loadavg: 1.00 0.89 0.80 3/73 23198
/proc/meminfo: memFree=1706664/2055920 swapFree=4192812/4192956
[pid=23197] ppid=23195 vsize=21372 CPUtime=6.26
/proc/23197/stat : 23197 (VALCSP) R 23195 23197 23110 0 -1 4194304 5099 0 0 0 624 2 0 0 25 0 1 0 246506484 21884928 5077 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134520756 0 0 4096 0 0 0 0 17 1 0 0
/proc/23197/statm: 5343 5077 67 8 0 5015 0
Current children cumulated CPU time (s) 6.26
Current children cumulated vsize (KiB) 21372

[startup+12.7733 s]
/proc/loadavg: 1.08 0.91 0.81 3/73 23198
/proc/meminfo: memFree=1706792/2055920 swapFree=4192812/4192956
[pid=23197] ppid=23195 vsize=21372 CPUtime=12.67
/proc/23197/stat : 23197 (VALCSP) R 23195 23197 23110 0 -1 4194304 5099 0 0 0 1265 2 0 0 25 0 1 0 246506484 21884928 5077 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134524889 0 0 4096 0 0 0 0 17 1 0 0
/proc/23197/statm: 5343 5077 67 8 0 5015 0
Current children cumulated CPU time (s) 12.67
Current children cumulated vsize (KiB) 21372

Child status: 0
Real time (s): 21.48
CPU time (s): 21.3208
CPU user time (s): 21.2918
CPU system time (s): 0.028995
CPU usage (%): 99.2587
Max. virtual memory (cumulated for all children) (KiB): 21372

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 21.2918
system time used= 0.028995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5127
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= 8
involuntary context switches= 460

runsolver used 0.015997 s user time and 0.065989 s system time

The end

Launcher Data (download as text)

Begin job on node52 on Tue Jan 16 20:58:00 UTC 2007


IDJOB= 269582
IDBENCH= 6992
IDSOLVER= 90
FILE ID= node52/269582-1168981080

PBS_JOBID= 3566386

Free space on /tmp= 66561 MiB

SOLVER NAME= VALCSP 3.1
BENCH NAME= HOME/pub/bench/CPAI06/zhou/color.xml
COMMAND LINE= /tmp/evaluation/269582-1168981080/VALCSP /tmp/evaluation/269582-1168981080/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node52/watcher-269582-1168981080 -o ROOT/results/node52/solver-269582-1168981080 -C 1800 -M 900  /tmp/evaluation/269582-1168981080/VALCSP /tmp/evaluation/269582-1168981080/unknown.xml

META MD5SUM SOLVER= d4fc2c4e0b0392ee9c79e754aa39e238
MD5SUM BENCH=  b6dccf82748f133a8ccf43d524c7521f

RANDOM SEED= 515256508

TIME LIMIT= 1800 seconds

MEMORY LIMIT= 900 MiB


/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:       1727368 kB
Buffers:         29888 kB
Cached:         195872 kB
SwapCached:          0 kB
Active:          41768 kB
Inactive:       204840 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1727368 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3708 kB
Writeback:           0 kB
Mapped:          31856 kB
Slab:            67420 kB
Committed_AS:  5226940 kB
PageTables:       1824 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= 66561 MiB



End job on node52 on Tue Jan 16 20:58:22 UTC 2007