Trace number 2087558

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
Choco2.1.1 2009-06-10SAT 0.556915 0.59845

DiagnosticValue
CHECKS0
NODES2

General information on the benchmark

Namecsp/queens/
normalized-queens-4.xml
MD5SUMcf9ea9a9e71ccfcd7a72eb217145a091
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.004998
Satisfiable
(Un)Satisfiability was proved
Number of variables4
Number of constraints6
Maximum constraint arity2
Maximum domain size4
Number of constraints which are defined in extension0
Number of constraints which are defined in intension6
Global constraints used (with number of constraints)

Solver Data 

0.49/0.55	s SATISFIABLE
0.49/0.55	v 3 1 4 2 
0.49/0.55	d AC 32
0.49/0.55	d RUNTIME 0.447
0.49/0.55	d NODES 2
0.49/0.55	d NODES/s 4
0.49/0.55	d BACKTRACKS 0
0.49/0.55	d BACKTRACKS/s 0
0.49/0.55	d CHECKS 0
0.49/0.55	d CHECKS/s 0
0.49/0.55	c SAT 0.447 TIME      2 NDS    194 PARSTIME      225 BUILDPB       28 RES       true RESTART       1 HEURISTIC       true RANDVAL

Verifier Data 

OK

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2087558-1247386372/watcher-2087558-1247386372 -o /tmp/evaluation-result-2087558-1247386372/solver-2087558-1247386372 -C 1800 -W 2000 -M 900 java -Xms700M -Xmx700M -jar HOME/choco-2.1.1.jar -file HOME/instance-2087558-1247386372.xml -h 1 -randval true -ac 32 -rest true -rb 10 -rg 1.3 -saclim 60 -s true -verb 0 -seed 11041979 

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: 1.92 1.98 1.99 4/74 24847
/proc/meminfo: memFree=1845392/2055920 swapFree=4192812/4192956
[pid=24847] ppid=24845 vsize=1616 CPUtime=0
/proc/24847/stat : 24847 (java) R 24845 24847 24066 0 -1 0 194 0 0 0 0 0 0 0 18 0 1 0 25701100 1654784 161 996147200 134512640 134550932 4294956000 18446744073709551615 4294960144 0 2147483391 4096 0 0 0 0 17 0 0 0
/proc/24847/statm: 404 164 127 9 0 46 0

[startup+0.108309 s]
/proc/loadavg: 1.92 1.98 1.99 4/74 24847
/proc/meminfo: memFree=1845392/2055920 swapFree=4192812/4192956
[pid=24847] ppid=24845 vsize=864064 CPUtime=0.09
/proc/24847/stat : 24847 (java) S 24845 24847 24066 0 -1 0 3879 0 1 0 7 2 0 0 18 0 9 0 25701100 884801536 3326 996147200 134512640 134550932 4294955840 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/24847/statm: 216016 3326 1743 9 0 210484 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 864064

[startup+0.202318 s]
/proc/loadavg: 1.92 1.98 1.99 4/74 24847
/proc/meminfo: memFree=1845392/2055920 swapFree=4192812/4192956
[pid=24847] ppid=24845 vsize=864188 CPUtime=0.19
/proc/24847/stat : 24847 (java) S 24845 24847 24066 0 -1 0 4554 0 1 0 16 3 0 0 18 0 9 0 25701100 884928512 3970 996147200 134512640 134550932 4294955840 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/24847/statm: 216047 3970 1870 9 0 210515 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 864188

[startup+0.302333 s]
/proc/loadavg: 1.92 1.98 1.99 4/74 24847
/proc/meminfo: memFree=1845392/2055920 swapFree=4192812/4192956
[pid=24847] ppid=24845 vsize=864188 CPUtime=0.28
/proc/24847/stat : 24847 (java) S 24845 24847 24066 0 -1 0 4940 0 1 0 25 3 0 0 18 0 9 0 25701100 884928512 4354 996147200 134512640 134550932 4294955840 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/24847/statm: 216047 4354 1886 9 0 210515 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 864188

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

[startup+0.402342 s]
/proc/loadavg: 1.92 1.98 1.99 4/74 24847
/proc/meminfo: memFree=1845392/2055920 swapFree=4192812/4192956
[pid=24847] ppid=24845 vsize=864276 CPUtime=0.38
/proc/24847/stat : 24847 (java) S 24845 24847 24066 0 -1 0 5571 0 1 0 34 4 0 0 18 0 9 0 25701100 885018624 4967 996147200 134512640 134550932 4294955840 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/24847/statm: 216069 4967 1940 9 0 210537 0
Current children cumulated CPU time (s) 0.38
Current children cumulated vsize (KiB) 864276

[startup+0.502356 s]
/proc/loadavg: 1.92 1.98 1.99 4/74 24847
/proc/meminfo: memFree=1845392/2055920 swapFree=4192812/4192956
[pid=24847] ppid=24845 vsize=864420 CPUtime=0.49
/proc/24847/stat : 24847 (java) S 24845 24847 24066 0 -1 0 6357 0 1 0 44 5 0 0 18 0 9 0 25701100 885166080 5745 996147200 134512640 134550932 4294955840 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/24847/statm: 216105 5745 1955 9 0 210573 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 864420

Child status: 0
Real time (s): 0.59845
CPU time (s): 0.556915
CPU user time (s): 0.499924
CPU system time (s): 0.056991
CPU usage (%): 93.0596
Max. virtual memory (cumulated for all children) (KiB): 864420

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.499924
system time used= 0.056991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6627
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= 192
involuntary context switches= 121

runsolver used 0.001999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node62 at 2009-07-12 10:12:52
IDJOB=2087558
IDBENCH=58739
IDSOLVER=737
FILE ID=node62/2087558-1247386372
PBS_JOBID= 9507275
Free space on /tmp= 66336 MiB

SOLVER NAME= Choco2.1.1 2009-06-10
BENCH NAME= CPAI08/csp/queens/normalized-queens-4.xml
COMMAND LINE= java -Xms700M -Xmx700M -jar HOME/choco-2.1.1.jar -file BENCHNAME -h 1 -randval true -ac 32 -rest true -rb 10 -rg 1.3 -saclim 60 -s true -verb 0 -seed 11041979
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2087558-1247386372/watcher-2087558-1247386372 -o /tmp/evaluation-result-2087558-1247386372/solver-2087558-1247386372 -C 1800 -W 2000 -M 900  java -Xms700M -Xmx700M -jar HOME/choco-2.1.1.jar -file HOME/instance-2087558-1247386372.xml -h 1 -randval true -ac 32 -rest true -rb 10 -rg 1.3 -saclim 60 -s true -verb 0 -seed 11041979

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

MD5SUM BENCH= cf9ea9a9e71ccfcd7a72eb217145a091
RANDOM SEED=53944733

node62.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		: 3000.220
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		: 3000.220
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:       1845936 kB
Buffers:         15372 kB
Cached:          82888 kB
SwapCached:          0 kB
Active:         128496 kB
Inactive:        29624 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1845936 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2536 kB
Writeback:           0 kB
Mapped:          70988 kB
Slab:            36804 kB
Committed_AS:   226136 kB
PageTables:       2008 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66332 MiB
End job on node62 at 2009-07-12 10:12:53