Trace number 281835

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
CSP4J - MaxCSP 2006-12-19? (problem) 0.39294 0.463131

DiagnosticValue
NODES0

General information on the benchmark

NameMaxCSP/randomMaxCSP/denseTight/
vcsp-25-10-25-87-17_ext.xml
MD5SUMc085c7656b4e5753dc2b163c22418691
Bench Category2-ARY-EXT (binary constraints in extension)
Best result obtained on this benchmarkMOPT
Best Number of satisfied constraints47
Best CPU time to get the best result obtained on this benchmark6.32104
Satisfiable
(Un)Satisfiability was proved
Number of variables25
Number of constraints75
Maximum constraint arity2
Maximum domain size10
Number of constraints which are defined in extension75
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

0.41	s UNSATISFIABLE
0.41	d NODES 0

Verifier Data (download as text)

ERROR: no interpretation found !

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node59/watcher-281835-1169314616 -o ROOT/results/node59/solver-281835-1169314616 -C 2400 -M 900 /tmp/evaluation/281835-1169314616/cspfj.sh -solver MinConflicts -max -competition /tmp/evaluation/281835-1169314616/unknown.xml 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 2430 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: 1.91 1.95 1.74 5/74 23976
/proc/meminfo: memFree=1346552/2055920 swapFree=4192680/4192956
[pid=23975] ppid=23973 vsize=18540 CPUtime=0
/proc/23975/stat : 23975 (runsolver) R 23973 23975 23383 0 -1 4194368 16 0 0 0 0 0 0 0 20 0 1 0 279859497 18984960 279 18446744073709551615 4194304 4267372 548682069008 18446744073709551615 217051622695 0 0 4096 24578 0 0 0 17 1 0 0
/proc/23975/statm: 4635 279 244 17 0 2626 0

[startup+0.109989 s]
/proc/loadavg: 1.91 1.95 1.74 5/74 23976
/proc/meminfo: memFree=1346552/2055920 swapFree=4192680/4192956
[pid=23975] ppid=23973 vsize=5352 CPUtime=0
/proc/23975/stat : 23975 (cspfj.sh) S 23973 23975 23383 0 -1 4194304 315 128 0 0 0 0 0 0 18 0 1 0 279859497 5480448 240 18446744073709551615 4194304 4889804 548682069264 18446744073709551615 217051620164 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/23975/statm: 1338 240 201 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

Child status: 0
Real time (s): 0.463131
CPU time (s): 0.39294
CPU user time (s): 0.354946
CPU system time (s): 0.037994
CPU usage (%): 84.8442
Max. virtual memory (cumulated for all children) (KiB): 5352

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.354946
system time used= 0.037994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4173
page faults= 1
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 468
involuntary context switches= 368

runsolver used 0.001999 s user time and 0.006998 s system time

The end

Launcher Data (download as text)

Begin job on node59 on Sat Jan 20 17:36:56 UTC 2007


IDJOB= 281835
IDBENCH= 12283
IDSOLVER= 65
FILE ID= node59/281835-1169314616

PBS_JOBID= 3610285

Free space on /tmp= 66563 MiB

SOLVER NAME= CSP4J - MaxCSP 2006-12-19
BENCH NAME= HOME/pub/bench/CPAI06/MaxCSP/randomMaxCSP/denseTight/vcsp-25-10-25-87-17_ext.xml
COMMAND LINE= /tmp/evaluation/281835-1169314616/cspfj.sh -solver MinConflicts -max -competition /tmp/evaluation/281835-1169314616/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node59/watcher-281835-1169314616 -o ROOT/results/node59/solver-281835-1169314616 -C 2400 -M 900  /tmp/evaluation/281835-1169314616/cspfj.sh -solver MinConflicts -max -competition /tmp/evaluation/281835-1169314616/unknown.xml

META MD5SUM SOLVER= ae5901f6cce23734dab709fa25e92adb
MD5SUM BENCH=  c085c7656b4e5753dc2b163c22418691

RANDOM SEED= 96014990

TIME LIMIT= 2400 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		: 3000.239
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		: 3000.239
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:       1346968 kB
Buffers:         49828 kB
Cached:         505664 kB
SwapCached:          0 kB
Active:         181036 kB
Inactive:       451664 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1346968 kB
SwapTotal:     4192956 kB
SwapFree:      4192680 kB
Dirty:             452 kB
Writeback:           0 kB
Mapped:          88580 kB
Slab:            61384 kB
Committed_AS:  5617636 kB
PageTables:       1988 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= 66563 MiB



End job on node59 on Sat Jan 20 17:36:56 UTC 2007