Trace number 1092155

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-prime 1.313SAT 0.555915 0.558017

DiagnosticValue
ASSIGNMENTS2075
CHECKS601484

General information on the benchmark

Namecsp/bibdVariousK/
normalized-bibd-21-21-5-5-1_glb.xml
MD5SUM74f5073c7c60bbd0282e0e73e1a7389d
Bench CategoryGLOBAL (global constraints)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.334948
Satisfiable
(Un)Satisfiability was proved
Number of variables4851
Number of constraints4662
Maximum constraint arity21
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension4410
Global constraints used (with number of constraints)weightedsum(252)

Solver Data (download as text)

0.00/0.00	c mistral-prime version 1.313
0.50/0.53	s SATISFIABLE
0.50/0.53	v 0 1 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 1 0 1 1 0 0 0 0 1 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 1 1 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 1 0 0 1 0 0 0 0 0 1 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 1 0 1 0 0 0 0 1 1 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 1 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 1 1 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 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 1 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 0 0 0 0 0 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0.50/0.53	d CHECKS 601484
0.50/0.53	d ASSIGNMENTS 2075

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.5 (c) roussel@cril.univ-artois.fr

command line: /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1092155-1215264266/watcher-1092155-1215264266 -o /tmp/evaluation-result-1092155-1215264266/solver-1092155-1215264266 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1092155-1215264266.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): 2200 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.92 1.98 1.99 4/81 8142
/proc/meminfo: memFree=1676440/2055924 swapFree=4177320/4192956
[pid=8142] ppid=8140 vsize=4580 CPUtime=0
/proc/8142/stat : 8142 (xsolve) R 8140 8142 7426 0 -1 4194304 347 0 0 0 0 0 0 0 18 0 1 0 682156183 4689920 313 996147200 134512640 135237403 4294956240 18446744073709551615 8395899 0 0 4096 0 0 0 0 17 0 0 0
/proc/8142/statm: 1145 323 277 176 0 49 0

[startup+0.062585 s]
/proc/loadavg: 1.92 1.98 1.99 4/81 8142
/proc/meminfo: memFree=1676440/2055924 swapFree=4177320/4192956
[pid=8142] ppid=8140 vsize=6032 CPUtime=0.05
/proc/8142/stat : 8142 (xsolve) R 8140 8142 7426 0 -1 4194304 823 0 0 0 5 0 0 0 18 0 1 0 682156183 6176768 789 996147200 134512640 135237403 4294956240 18446744073709551615 8369787 0 0 4096 0 0 0 0 17 0 0 0
/proc/8142/statm: 1508 789 372 176 0 412 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 6032

[startup+0.101592 s]
/proc/loadavg: 1.92 1.98 1.99 4/81 8142
/proc/meminfo: memFree=1676440/2055924 swapFree=4177320/4192956
[pid=8142] ppid=8140 vsize=6544 CPUtime=0.09
/proc/8142/stat : 8142 (xsolve) R 8140 8142 7426 0 -1 4194304 938 0 0 0 9 0 0 0 18 0 1 0 682156183 6701056 904 996147200 134512640 135237403 4294956240 18446744073709551615 8369787 0 0 4096 0 0 0 0 17 0 0 0
/proc/8142/statm: 1636 904 372 176 0 540 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6544

[startup+0.301628 s]
/proc/loadavg: 1.92 1.98 1.99 4/81 8142
/proc/meminfo: memFree=1676440/2055924 swapFree=4177320/4192956
[pid=8142] ppid=8140 vsize=10284 CPUtime=0.3
/proc/8142/stat : 8142 (xsolve) R 8140 8142 7426 0 -1 4194304 1903 0 0 0 29 1 0 0 19 0 1 0 682156183 10530816 1869 996147200 134512640 135237403 4294956240 18446744073709551615 135055178 0 0 4096 0 0 0 0 17 0 0 0
/proc/8142/statm: 2571 1869 404 176 0 1475 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 10284

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

[startup+0.501666 s]
/proc/loadavg: 1.92 1.98 1.99 4/81 8142
/proc/meminfo: memFree=1676440/2055924 swapFree=4177320/4192956
[pid=8142] ppid=8140 vsize=10480 CPUtime=0.5
/proc/8142/stat : 8142 (xsolve) R 8140 8142 7426 0 -1 4194304 1921 0 0 0 49 1 0 0 21 0 1 0 682156183 10731520 1887 996147200 134512640 135237403 4294956240 18446744073709551615 135095610 0 0 4096 0 0 0 0 17 0 0 0
/proc/8142/statm: 2620 1887 404 176 0 1524 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 10480

Child status: 0
Real time (s): 0.558017
CPU time (s): 0.555915
CPU user time (s): 0.543917
CPU system time (s): 0.011998
CPU usage (%): 99.6233
Max. virtual memory (cumulated for all children) (KiB): 10480

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.543917
system time used= 0.011998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1939
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= 7
involuntary context switches= 31

runsolver used 0.003999 second user time and 0.005999 second system time

The end

Launcher Data (download as text)

Begin job on node83 at 2008-07-05 15:24:26
IDJOB=1092155
IDBENCH=58599
IDSOLVER=358
FILE ID=node83/1092155-1215264266
PBS_JOBID= 7882111
Free space on /tmp= 66492 MiB

SOLVER NAME= Mistral-prime 1.313
BENCH NAME= CPAI08/csp/bibdVariousK/normalized-bibd-21-21-5-5-1_glb.xml
COMMAND LINE= HOME/xsolve BENCHNAME 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1092155-1215264266/watcher-1092155-1215264266 -o /tmp/evaluation-result-1092155-1215264266/solver-1092155-1215264266 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1092155-1215264266.xml 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 74f5073c7c60bbd0282e0e73e1a7389d
RANDOM SEED=2092617186

node83.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		: 3000.263
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		: 3000.263
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055924 kB
MemFree:       1676920 kB
Buffers:         27352 kB
Cached:         209984 kB
SwapCached:       9708 kB
Active:         203068 kB
Inactive:       130432 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055924 kB
LowFree:       1676920 kB
SwapTotal:     4192956 kB
SwapFree:      4177320 kB
Dirty:            1800 kB
Writeback:           0 kB
Mapped:         109172 kB
Slab:            30644 kB
Committed_AS:  1945304 kB
PageTables:       1952 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= 66488 MiB
End job on node83 at 2008-07-05 15:24:27