Trace number 2086209

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
Mistral 1.545SAT 0.316951 0.325318

DiagnosticValue
ASSIGNMENTS1487
CHECKS200418
NODES1487

General information on the benchmark

Namecsp/bibd10-11/
normalized-bibd-11-55-15-3-3_glb.xml
MD5SUM62723a5181062bdfc10a2938ae554d82
Bench CategoryAlldiff+Elt+WSum (alldiff,element,weightedsum)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.316951
Satisfiable
(Un)Satisfiability was proved
Number of variables3630
Number of constraints3146
Maximum constraint arity55
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension3025
Global constraints used (with number of constraints)weightedsum(121)

Solver Data

0.19/0.20	c mistral version 1.545
0.28/0.31	s SATISFIABLE
0.28/0.31	v 1 0 1 1 1 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 0 0 0 0 1 1 0 1 1 1 1 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 1 1 0 1 1 0 0 0 1 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 1 1 1 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1 1 1 1 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 1 0 1 1 0 1 0 0 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 1 0 1 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 0 1 0 1 0 0 0 0 1 0 0 1 0 1 1 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 1 1 1 0 1 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 1 0 0 1 0 1 0 1 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 1 0 0 1 0 1 0 0 0 1 0 0 0 0 1 0 0 0 1 0 0 1 0 1 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 1 1 0 1 0 0 0 1 1 0 0 0 0 0 1 0 1 0 1 0 0 0 1 1 1 0 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 0 1 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 1 1 0 0 0 0 0 0 0 0 1 1 0 0 0 1 1 0 1 0 0 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0.28/0.31	d CHECKS 200418
0.28/0.31	d ASSIGNMENTS 1487
0.28/0.31	d NODES 1487 BACKTRACKS 1028 FAILURES 1028 RUNTIME 0.09 TOTALTIME 0.29 NODES/s 16522.2 CHECKS/s 2.22687e+06

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-2086209-1247383296/watcher-2086209-1247383296 -o /tmp/evaluation-result-2086209-1247383296/solver-2086209-1247383296 -C 1800 -W 2000 -M 900 /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2086209-1247383296.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 3/74 29286
/proc/meminfo: memFree=1790432/2055920 swapFree=4192812/4192956
[pid=29286] ppid=29284 vsize=18576 CPUtime=0
/proc/29286/stat : 29286 (runsolver) R 29284 29286 28825 0 -1 4194368 15 0 0 0 0 0 0 0 19 0 1 0 25393211 19021824 284 996147200 4194304 4302564 548682068496 18446744073709551615 240577473831 0 2147483391 4096 24578 0 0 0 17 1 0 0
/proc/29286/statm: 4644 284 249 26 0 2626 0

[startup+0.049759 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 29286
/proc/meminfo: memFree=1790432/2055920 swapFree=4192812/4192956
[pid=29286] ppid=29284 vsize=5728 CPUtime=0.03
/proc/29286/stat : 29286 (ld-linux.so.2) R 29284 29286 28825 0 -1 4194304 628 0 0 0 3 0 0 0 18 0 1 0 25393211 5865472 607 996147200 1448431616 1448550632 4294956208 18446744073709551615 4160505512 0 0 4096 0 0 0 0 17 1 0 0
/proc/29286/statm: 1432 607 376 29 0 247 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 5728

[startup+0.102761 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 29286
/proc/meminfo: memFree=1790432/2055920 swapFree=4192812/4192956
[pid=29286] ppid=29284 vsize=6112 CPUtime=0.09
/proc/29286/stat : 29286 (ld-linux.so.2) R 29284 29286 28825 0 -1 4194304 756 0 0 0 9 0 0 0 18 0 1 0 25393211 6258688 735 996147200 1448431616 1448550632 4294956208 18446744073709551615 134693544 0 0 4096 0 0 0 0 17 1 0 0
/proc/29286/statm: 1528 735 376 29 0 343 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6112

[startup+0.302782 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 29286
/proc/meminfo: memFree=1790432/2055920 swapFree=4192812/4192956
[pid=29286] ppid=29284 vsize=8616 CPUtime=0.28
/proc/29286/stat : 29286 (ld-linux.so.2) R 29284 29286 28825 0 -1 4194304 1393 0 0 0 28 0 0 0 19 0 1 0 25393211 8822784 1372 996147200 1448431616 1448550632 4294956208 18446744073709551615 134897005 0 0 4096 0 0 0 0 17 1 0 0
/proc/29286/statm: 2154 1372 420 29 0 969 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 8616

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

Child status: 0
Real time (s): 0.325318
CPU time (s): 0.316951
CPU user time (s): 0.308953
CPU system time (s): 0.007998
CPU usage (%): 97.4281
Max. virtual memory (cumulated for all children) (KiB): 8616

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.308953
system time used= 0.007998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1430
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= 24
involuntary context switches= 15

runsolver used 0.003999 second user time and 0.006998 second system time

The end

Launcher Data

Begin job on node50 at 2009-07-12 09:21:36
IDJOB=2086209
IDBENCH=58571
IDSOLVER=769
FILE ID=node50/2086209-1247383296
PBS_JOBID= 9507259
Free space on /tmp= 66416 MiB

SOLVER NAME= Mistral 1.545
BENCH NAME= CPAI08/csp/bibd10-11/normalized-bibd-11-55-15-3-3_glb.xml
COMMAND LINE= /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2086209-1247383296/watcher-2086209-1247383296 -o /tmp/evaluation-result-2086209-1247383296/solver-2086209-1247383296 -C 1800 -W 2000 -M 900  /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2086209-1247383296.xml

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

MD5SUM BENCH= 62723a5181062bdfc10a2938ae554d82
RANDOM SEED=1209934721

node50.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		: 3000.231
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		: 3000.231
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:       1790912 kB
Buffers:         20176 kB
Cached:         120040 kB
SwapCached:          0 kB
Active:         139472 kB
Inactive:        71548 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1790912 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1824 kB
Writeback:           0 kB
Mapped:          81936 kB
Slab:            39004 kB
Committed_AS:   252484 kB
PageTables:       2012 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= 66416 MiB
End job on node50 at 2009-07-12 09:21:36