Trace number 2086352

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 2.21166 2.23378

DiagnosticValue
ASSIGNMENTS14144
CHECKS2921720
NODES14144

General information on the benchmark

Namecsp/bibdVariousK/
normalized-bibd-19-57-9-3-1_glb.xml
MD5SUMa81e65e4b11cfb27534523c361b674f6
Bench CategoryAlldiff+Elt+WSum (alldiff,element,weightedsum)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.21166
Satisfiable
(Un)Satisfiability was proved
Number of variables10830
Number of constraints9994
Maximum constraint arity57
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension9747
Global constraints used (with number of constraints)weightedsum(247)

Solver Data

0.00/0.11	c mistral version 1.545
2.07/2.18	s SATISFIABLE
2.07/2.18	v 1 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 1 0 1 1 0 0 0 0 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 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 1 1 0 0 1 1 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 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2.07/2.18	d CHECKS 2921722
2.07/2.18	d ASSIGNMENTS 14144
2.07/2.18	d NODES 14144 BACKTRACKS 12864 FAILURES 12864 RUNTIME 1.47 TOTALTIME 2.15 NODES/s 9621.77 CHECKS/s 1.98757e+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-2086352-1247383469/watcher-2086352-1247383469 -o /tmp/evaluation-result-2086352-1247383469/solver-2086352-1247383469 -C 1800 -W 2000 -M 900 /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2086352-1247383469.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: 2.02 2.02 2.00 4/80 26481
/proc/meminfo: memFree=1650432/2055920 swapFree=4192812/4192956
[pid=26481] ppid=26479 vsize=7968 CPUtime=0.19
/proc/26481/stat : 26481 (ld-linux.so.2) R 26479 26481 25665 0 -1 4194304 1179 0 0 0 19 0 0 0 19 0 1 0 25410378 8159232 1158 996147200 1448431616 1448550632 4294956208 18446744073709551615 4159787379 0 0 4096 0 0 0 0 17 1 0 0
/proc/26481/statm: 1992 1158 376 29 0 807 0

[startup+0.2957 s]
/proc/loadavg: 2.02 2.02 2.00 4/80 26481
/proc/meminfo: memFree=1650432/2055920 swapFree=4192812/4192956
[pid=26481] ppid=26479 vsize=8608 CPUtime=0.27
/proc/26481/stat : 26481 (ld-linux.so.2) R 26479 26481 25665 0 -1 4194304 1347 0 0 0 27 0 0 0 19 0 1 0 25410378 8814592 1326 996147200 1448431616 1448550632 4294956208 18446744073709551615 4158739319 0 0 4096 0 0 0 0 17 1 0 0
/proc/26481/statm: 2152 1326 376 29 0 967 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 8608

[startup+0.302697 s]
/proc/loadavg: 2.02 2.02 2.00 4/80 26481
/proc/meminfo: memFree=1650432/2055920 swapFree=4192812/4192956
[pid=26481] ppid=26479 vsize=8736 CPUtime=0.28
/proc/26481/stat : 26481 (ld-linux.so.2) R 26479 26481 25665 0 -1 4194304 1362 0 0 0 28 0 0 0 19 0 1 0 25410378 8945664 1341 996147200 1448431616 1448550632 4294956208 18446744073709551615 4158630556 0 0 4096 0 0 0 0 17 1 0 0
/proc/26481/statm: 2184 1341 376 29 0 999 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 8736

[startup+0.401711 s]
/proc/loadavg: 2.02 2.02 2.00 4/80 26481
/proc/meminfo: memFree=1650432/2055920 swapFree=4192812/4192956
[pid=26481] ppid=26479 vsize=9504 CPUtime=0.39
/proc/26481/stat : 26481 (ld-linux.so.2) R 26479 26481 25665 0 -1 4194304 1582 0 0 0 38 1 0 0 20 0 1 0 25410378 9732096 1561 996147200 1448431616 1448550632 4294956208 18446744073709551615 4158971433 0 0 4096 0 0 0 0 17 1 0 0
/proc/26481/statm: 2376 1561 376 29 0 1191 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 9504

[startup+0.701748 s]
/proc/loadavg: 2.02 2.02 2.00 4/80 26481
/proc/meminfo: memFree=1650432/2055920 swapFree=4192812/4192956
[pid=26481] ppid=26479 vsize=15648 CPUtime=0.68
/proc/26481/stat : 26481 (ld-linux.so.2) R 26479 26481 25665 0 -1 4194304 3095 0 0 0 67 1 0 0 23 0 1 0 25410378 16023552 3074 996147200 1448431616 1448550632 4294956208 18446744073709551615 135162886 0 0 4096 0 0 0 0 17 1 0 0
/proc/26481/statm: 3912 3074 402 29 0 2727 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 15648

[startup+1.50281 s]
/proc/loadavg: 2.02 2.02 2.00 3/81 26482
/proc/meminfo: memFree=1638904/2055920 swapFree=4192812/4192956
[pid=26481] ppid=26479 vsize=16224 CPUtime=1.47
/proc/26481/stat : 26481 (ld-linux.so.2) R 26479 26481 25665 0 -1 4194304 3264 0 0 0 146 1 0 0 25 0 1 0 25410378 16613376 3243 996147200 1448431616 1448550632 4294956208 18446744073709551615 135259184 0 0 4096 0 0 0 0 17 1 0 0
/proc/26481/statm: 4056 3243 420 29 0 2871 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 16224

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

[startup+1.70283 s]
/proc/loadavg: 2.02 2.02 2.00 3/81 26482
/proc/meminfo: memFree=1638904/2055920 swapFree=4192812/4192956
[pid=26481] ppid=26479 vsize=16224 CPUtime=1.67
/proc/26481/stat : 26481 (ld-linux.so.2) R 26479 26481 25665 0 -1 4194304 3264 0 0 0 166 1 0 0 25 0 1 0 25410378 16613376 3243 996147200 1448431616 1448550632 4294956208 18446744073709551615 134865264 0 0 4096 0 0 0 0 17 1 0 0
/proc/26481/statm: 4056 3243 420 29 0 2871 0
Current children cumulated CPU time (s) 1.67
Current children cumulated vsize (KiB) 16224

[startup+2.10187 s]
/proc/loadavg: 2.02 2.02 2.00 3/81 26482
/proc/meminfo: memFree=1638904/2055920 swapFree=4192812/4192956
[pid=26481] ppid=26479 vsize=16224 CPUtime=2.07
/proc/26481/stat : 26481 (ld-linux.so.2) R 26479 26481 25665 0 -1 4194304 3264 0 0 0 206 1 0 0 25 0 1 0 25410378 16613376 3243 996147200 1448431616 1448550632 4294956208 18446744073709551615 135172204 0 0 4096 0 0 0 0 17 1 0 0
/proc/26481/statm: 4056 3243 420 29 0 2871 0
Current children cumulated CPU time (s) 2.07
Current children cumulated vsize (KiB) 16224

[startup+2.20189 s]
/proc/loadavg: 2.02 2.02 2.00 3/81 26482
/proc/meminfo: memFree=1638904/2055920 swapFree=4192812/4192956
[pid=26481] ppid=26479 vsize=11468 CPUtime=2.17
/proc/26481/stat : 26481 (ld-linux.so.2) R 26479 26481 25665 0 -1 4194304 3300 0 0 0 216 1 0 0 25 0 1 0 25410378 11743232 2133 996147200 1448431616 1448550632 4294956208 18446744073709551615 4159093382 0 0 4096 0 0 0 0 17 1 0 0
/proc/26481/statm: 2867 2133 454 29 0 1682 0
Current children cumulated CPU time (s) 2.17
Current children cumulated vsize (KiB) 11468

Child status: 0
Real time (s): 2.23378
CPU time (s): 2.21166
CPU user time (s): 2.19267
CPU system time (s): 0.018997
CPU usage (%): 99.0098
Max. virtual memory (cumulated for all children) (KiB): 16224

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.19267
system time used= 0.018997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3301
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= 25
involuntary context switches= 59

runsolver used 0.005999 second user time and 0.013997 second system time

The end

Launcher Data

Begin job on node61 at 2009-07-12 09:24:29
IDJOB=2086352
IDBENCH=58584
IDSOLVER=769
FILE ID=node61/2086352-1247383469
PBS_JOBID= 9507179
Free space on /tmp= 66408 MiB

SOLVER NAME= Mistral 1.545
BENCH NAME= CPAI08/csp/bibdVariousK/normalized-bibd-19-57-9-3-1_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-2086352-1247383469/watcher-2086352-1247383469 -o /tmp/evaluation-result-2086352-1247383469/solver-2086352-1247383469 -C 1800 -W 2000 -M 900  /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2086352-1247383469.xml

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

MD5SUM BENCH= a81e65e4b11cfb27534523c361b674f6
RANDOM SEED=831151877

node61.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		: 3000.229
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		: 3000.229
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:       1650912 kB
Buffers:         73148 kB
Cached:         178860 kB
SwapCached:          0 kB
Active:         252280 kB
Inactive:        96040 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1650912 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3112 kB
Writeback:           0 kB
Mapped:         114148 kB
Slab:            42012 kB
Committed_AS:   957968 kB
PageTables:       1924 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264884 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66408 MiB
End job on node61 at 2009-07-12 09:24:32