Trace number 2087419

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 0.499923 0.502336

DiagnosticValue
ASSIGNMENTS4567
CHECKS506248
NODES4567

General information on the benchmark

Namecsp/bibd9/
normalized-bibd-9-96-32-3-8_glb.xml
MD5SUM183b89dc2fc58cfaeea36bd8c41eeb1a
Bench CategoryAlldiff+Elt+WSum (alldiff,element,weightedsum)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.499923
Satisfiable
(Un)Satisfiability was proved
Number of variables4320
Number of constraints3597
Maximum constraint arity96
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension3456
Global constraints used (with number of constraints)weightedsum(141)

Solver Data 

0.00/0.00	c mistral version 1.545
0.39/0.48	s SATISFIABLE
0.39/0.48	v 1 0 0 1 1 0 0 0 0 1 0 0 0 0 0 1 1 1 1 0 1 1 1 1 1 1 1 1 0 0 0 0 1 0 0 0 1 1 0 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 0 0 0 0 0 0 0 0 1 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 1 1 1 1 0 0 0 0 0 1 0 0 0 0 0 1 1 0 1 1 0 1 0 0 1 0 0 1 0 1 0 1 1 0 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 1 1 0 0 1 1 1 0 1 0 1 0 0 0 1 1 1 0 0 0 0 1 0 0 0 0 1 1 0 1 1 1 0 1 1 0 0 1 0 0 0 1 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 1 0 1 0 0 0 1 0 0 0 0 0 0 1 0 0 1 1 0 1 1 0 0 0 0 1 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 1 0 1 0 0 1 1 0 1 1 0 1 1 1 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 1 1 0 1 1 0 0 0 0 1 1 1 0 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 1 1 0 0 1 0 1 0 0 0 0 1 1 1 1 0 0 0 1 0 1 0 0 0 0 1 0 1 0 1 0 0 1 0 1 0 1 0 0 0 0 0 0 1 0 1 0 1 1 0 1 0 0 0 0 0 0 1 0 0 0 1 1 0 1 0 1 1 0 0 1 1 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 0 0 1 0 1 0 1 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 1 0 1 1 1 0 0 0 0 1 0 0 0 1 0 0 1 0 1 0 1 0 0 0 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0.39/0.48	d CHECKS 506248
0.39/0.48	d ASSIGNMENTS 4567
0.39/0.48	d NODES 4567 BACKTRACKS 3480 FAILURES 3480 RUNTIME 0.25 TOTALTIME 0.48 NODES/s 18268 CHECKS/s 2.02499e+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-2087419-1247386245/watcher-2087419-1247386245 -o /tmp/evaluation-result-2087419-1247386245/solver-2087419-1247386245 -C 1800 -W 2000 -M 900 /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2087419-1247386245.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: 2.01 2.05 2.03 3/81 25251
/proc/meminfo: memFree=1473968/2055920 swapFree=4192812/4192956
[pid=25251] ppid=25249 vsize=4804 CPUtime=0
/proc/25251/stat : 25251 (ld-linux.so.2) R 25249 25251 24774 0 -1 4194304 180 0 0 0 0 0 0 0 18 0 1 0 25690662 4919296 161 996147200 1448431616 1448550632 4294956208 18446744073709551615 1448480496 0 0 4096 0 0 0 0 17 0 0 0
/proc/25251/statm: 1201 162 137 29 0 16 0

[startup+0.0286359 s]
/proc/loadavg: 2.01 2.05 2.03 3/81 25251
/proc/meminfo: memFree=1473968/2055920 swapFree=4192812/4192956
[pid=25251] ppid=25249 vsize=5472 CPUtime=0.02
/proc/25251/stat : 25251 (ld-linux.so.2) R 25249 25251 24774 0 -1 4194304 563 0 0 0 2 0 0 0 18 0 1 0 25690662 5603328 542 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381179 0 0 4096 0 0 0 0 17 0 0 0
/proc/25251/statm: 1368 542 355 29 0 183 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 5472

[startup+0.101646 s]
/proc/loadavg: 2.01 2.05 2.03 3/81 25251
/proc/meminfo: memFree=1473968/2055920 swapFree=4192812/4192956
[pid=25251] ppid=25249 vsize=6372 CPUtime=0.09
/proc/25251/stat : 25251 (ld-linux.so.2) R 25249 25251 24774 0 -1 4194304 798 0 0 0 9 0 0 0 18 0 1 0 25690662 6524928 777 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381179 0 0 4096 0 0 0 0 17 0 0 0
/proc/25251/statm: 1593 777 376 29 0 408 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6372

[startup+0.301664 s]
/proc/loadavg: 2.01 2.05 2.03 3/81 25251
/proc/meminfo: memFree=1473968/2055920 swapFree=4192812/4192956
[pid=25251] ppid=25249 vsize=9188 CPUtime=0.29
/proc/25251/stat : 25251 (ld-linux.so.2) R 25249 25251 24774 0 -1 4194304 1545 0 0 0 28 1 0 0 19 0 1 0 25690662 9408512 1524 996147200 1448431616 1448550632 4294956208 18446744073709551615 134897043 0 0 4096 0 0 0 0 17 0 0 0
/proc/25251/statm: 2297 1524 420 29 0 1112 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9188

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

[startup+0.501681 s]
/proc/loadavg: 2.01 2.05 2.03 3/81 25251
/proc/meminfo: memFree=1473968/2055920 swapFree=4192812/4192956
[pid=25251] ppid=25249 vsize=0 CPUtime=0.49
/proc/25251/stat : 25251 (ld-linux.so.2) R 25249 25251 24774 0 -1 4194308 1590 0 0 0 48 1 0 0 21 0 1 0 25690662 0 0 996147200 0 0 0 0 0 0 0 4096 0 0 0 0 17 0 0 0
/proc/25251/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 0.502336
CPU time (s): 0.499923
CPU user time (s): 0.484926
CPU system time (s): 0.014997
CPU usage (%): 99.5196
Max. virtual memory (cumulated for all children) (KiB): 9340

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.484926
system time used= 0.014997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1590
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= 12

runsolver used 0.003999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node31 at 2009-07-12 10:10:45
IDJOB=2087419
IDBENCH=58723
IDSOLVER=769
FILE ID=node31/2087419-1247386245
PBS_JOBID= 9507286
Free space on /tmp= 66324 MiB

SOLVER NAME= Mistral 1.545
BENCH NAME= CPAI08/csp/bibd9/normalized-bibd-9-96-32-3-8_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-2087419-1247386245/watcher-2087419-1247386245 -o /tmp/evaluation-result-2087419-1247386245/solver-2087419-1247386245 -C 1800 -W 2000 -M 900  /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2087419-1247386245.xml

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

MD5SUM BENCH= 183b89dc2fc58cfaeea36bd8c41eeb1a
RANDOM SEED=768811594

node31.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		: 3000.216
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	: 5931.00
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		: 3000.216
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:       1474448 kB
Buffers:         15412 kB
Cached:         184440 kB
SwapCached:          0 kB
Active:         457440 kB
Inactive:        69436 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1474448 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1952 kB
Writeback:           0 kB
Mapped:         339704 kB
Slab:            38148 kB
Committed_AS:   494772 kB
PageTables:       3356 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= 66324 MiB
End job on node31 at 2009-07-12 10:10:46