Trace number 269205

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 11.7472 11.7761

DiagnosticValue
CHECKS369551000
NODES102746

General information on the benchmark

Nametightness/tightness0.35/
rand-2-40-16-250-350-53_ext.xml
MD5SUM21a65b1f865ec2339b3d848e3cd2a99c
Bench Category2-ARY-EXT (binary constraints in extension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark11.9972
SatisfiableNO
(Un)Satisfiability was provedNO
Number of variables40
Number of constraints250
Maximum constraint arity2
Maximum domain size16
Number of constraints which are defined in extension250
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

11.77	s UNSATISFIABLE
11.77	d CHECKS 3.69551e+08
11.77	d NODES 102746

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/node35/watcher-269205-1168980365 -o ROOT/results/node35/solver-269205-1168980365 -C 1800 -M 900 /tmp/evaluation/269205-1168980365/VALCSP /tmp/evaluation/269205-1168980365/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: 0.03 0.24 0.76 3/73 7598
/proc/meminfo: memFree=1276192/2055920 swapFree=4184740/4192956
[pid=7597] ppid=7591 vsize=1384 CPUtime=0
/proc/7597/stat : 7597 (VALCSP) R 7591 7597 7483 0 -1 4194304 73 0 0 0 0 0 0 0 18 0 1 0 246430923 1417216 57 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 1426818 0 0 4096 0 0 0 0 17 1 0 0
/proc/7597/statm: 346 57 46 8 0 6 0

[startup+0.107245 s]
/proc/loadavg: 0.03 0.24 0.76 3/73 7598
/proc/meminfo: memFree=1276192/2055920 swapFree=4184740/4192956
[pid=7597] ppid=7591 vsize=2656 CPUtime=0.09
/proc/7597/stat : 7597 (VALCSP) R 7591 7597 7483 0 -1 4194304 413 0 0 0 9 0 0 0 18 0 1 0 246430923 2719744 391 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134525109 0 0 4096 0 0 0 0 17 0 0 0
/proc/7597/statm: 664 391 66 8 0 336 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2656

[startup+0.51529 s]
/proc/loadavg: 0.03 0.24 0.76 3/73 7598
/proc/meminfo: memFree=1276192/2055920 swapFree=4184740/4192956
[pid=7597] ppid=7591 vsize=2656 CPUtime=0.5
/proc/7597/stat : 7597 (VALCSP) R 7591 7597 7483 0 -1 4194304 413 0 0 0 50 0 0 0 22 0 1 0 246430923 2719744 391 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134524979 0 0 4096 0 0 0 0 17 0 0 0
/proc/7597/statm: 664 391 66 8 0 336 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 2656

[startup+1.33639 s]
/proc/loadavg: 0.03 0.24 0.76 3/73 7598
/proc/meminfo: memFree=1273696/2055920 swapFree=4184740/4192956
[pid=7597] ppid=7591 vsize=2656 CPUtime=1.31
/proc/7597/stat : 7597 (VALCSP) R 7591 7597 7483 0 -1 4194304 413 0 0 0 131 0 0 0 25 0 1 0 246430923 2719744 391 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134524889 0 0 4096 0 0 0 0 17 0 0 0
/proc/7597/statm: 664 391 66 8 0 336 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 2656

[startup+2.97658 s]
/proc/loadavg: 0.19 0.27 0.77 3/73 7598
/proc/meminfo: memFree=1273696/2055920 swapFree=4184740/4192956
[pid=7597] ppid=7591 vsize=2656 CPUtime=2.95
/proc/7597/stat : 7597 (VALCSP) R 7591 7597 7483 0 -1 4194304 413 0 0 0 295 0 0 0 25 0 1 0 246430923 2719744 391 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134524947 0 0 4096 0 0 0 0 17 0 0 0
/proc/7597/statm: 664 391 66 8 0 336 0
Current children cumulated CPU time (s) 2.95
Current children cumulated vsize (KiB) 2656

[startup+6.25398 s]
/proc/loadavg: 0.19 0.27 0.77 2/68 7598
/proc/meminfo: memFree=1275336/2055920 swapFree=4184740/4192956
[pid=7597] ppid=7591 vsize=2656 CPUtime=6.22
/proc/7597/stat : 7597 (VALCSP) R 7591 7597 7483 0 -1 4194304 413 0 0 0 622 0 0 0 25 0 1 0 246430923 2719744 391 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134524889 0 0 4096 0 0 0 0 17 1 0 0
/proc/7597/statm: 664 391 66 8 0 336 0
Current children cumulated CPU time (s) 6.22
Current children cumulated vsize (KiB) 2656

Child status: 0
Real time (s): 11.7761
CPU time (s): 11.7472
CPU user time (s): 11.7412
CPU system time (s): 0.005999
CPU usage (%): 99.7543
Max. virtual memory (cumulated for all children) (KiB): 2656

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 11.7412
system time used= 0.005999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 442
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= 104

runsolver used 0.014997 s user time and 0.032994 s system time

The end

Launcher Data (download as text)

Begin job on node35 on Tue Jan 16 20:46:07 UTC 2007


IDJOB= 269205
IDBENCH= 6321
IDSOLVER= 90
FILE ID= node35/269205-1168980365

PBS_JOBID= 3566316

Free space on /tmp= 66564 MiB

SOLVER NAME= VALCSP 3.1
BENCH NAME= HOME/pub/bench/CPAI06/tightness/tightness0.35/rand-2-40-16-250-350-53_ext.xml
COMMAND LINE= /tmp/evaluation/269205-1168980365/VALCSP /tmp/evaluation/269205-1168980365/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node35/watcher-269205-1168980365 -o ROOT/results/node35/solver-269205-1168980365 -C 1800 -M 900  /tmp/evaluation/269205-1168980365/VALCSP /tmp/evaluation/269205-1168980365/unknown.xml

META MD5SUM SOLVER= d4fc2c4e0b0392ee9c79e754aa39e238
MD5SUM BENCH=  21a65b1f865ec2339b3d848e3cd2a99c

RANDOM SEED= 61370125

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		: 3000.234
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		: 3000.234
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:       1277488 kB
Buffers:         56108 kB
Cached:         629924 kB
SwapCached:       2264 kB
Active:          61984 kB
Inactive:       638348 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1277488 kB
SwapTotal:     4192956 kB
SwapFree:      4184740 kB
Dirty:             412 kB
Writeback:           0 kB
Mapped:          21168 kB
Slab:            63908 kB
Committed_AS:  4837004 kB
PageTables:       1620 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= 66564 MiB



End job on node35 on Tue Jan 16 20:46:30 UTC 2007