Trace number 2075000

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 3.3185 3.32252

DiagnosticValue
ASSIGNMENTS3796
CHECKS174086
NODES3796

General information on the benchmark

Namecsp/rand-8-20-5/
normalized-rand-8-20-5-18-800-7_ext.xml
MD5SUM34879420b3bf5ffa2588efa919042c15
Bench CategoryN-ARY-EXT (n-ary constraints in extension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark3.3185
Satisfiable
(Un)Satisfiability was proved
Number of variables20
Number of constraints18
Maximum constraint arity8
Maximum domain size5
Number of constraints which are defined in extension18
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data 

0.00/0.00	c mistral version 1.545
3.19/3.23	s SATISFIABLE
3.19/3.23	v 2 3 4 4 3 0 4 0 0 2 0 4 3 1 0 4 2 4 0 3
3.19/3.23	d CHECKS 174086
3.19/3.23	d ASSIGNMENTS 3796
3.19/3.23	d NODES 3796 BACKTRACKS 3789 FAILURES 3789 RUNTIME 0.64 TOTALTIME 3.22 NODES/s 5931.25 CHECKS/s 272009

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-2075000-1247359563/watcher-2075000-1247359563 -o /tmp/evaluation-result-2075000-1247359563/solver-2075000-1247359563 -C 1800 -W 2000 -M 900 /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2075000-1247359563.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: 2.05 1.95 2.00 3/82 16630
/proc/meminfo: memFree=1413624/2055920 swapFree=4192812/4192956
[pid=16630] ppid=16628 vsize=4804 CPUtime=0
/proc/16630/stat : 16630 (ld-linux.so.2) R 16628 16630 14786 0 -1 4194304 181 0 0 0 0 0 0 0 18 0 1 0 23024182 4919296 162 996147200 1448431616 1448550632 4294956208 18446744073709551615 1448480482 0 0 4096 0 0 0 0 17 0 0 0
/proc/16630/statm: 1201 162 137 29 0 16 0

[startup+0.106084 s]
/proc/loadavg: 2.05 1.95 2.00 3/82 16630
/proc/meminfo: memFree=1413624/2055920 swapFree=4192812/4192956
[pid=16630] ppid=16628 vsize=7496 CPUtime=0.1
/proc/16630/stat : 16630 (ld-linux.so.2) R 16628 16630 14786 0 -1 4194304 1058 0 0 0 9 1 0 0 18 0 1 0 23024182 7675904 1037 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381179 0 0 4096 0 0 0 0 17 0 0 0
/proc/16630/statm: 1874 1037 358 29 0 689 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 7496

[startup+0.202104 s]
/proc/loadavg: 2.05 1.95 2.00 3/82 16630
/proc/meminfo: memFree=1413624/2055920 swapFree=4192812/4192956
[pid=16630] ppid=16628 vsize=10044 CPUtime=0.19
/proc/16630/stat : 16630 (ld-linux.so.2) R 16628 16630 14786 0 -1 4194304 1670 0 0 0 18 1 0 0 18 0 1 0 23024182 10285056 1649 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381179 0 0 4096 0 0 0 0 17 0 0 0
/proc/16630/statm: 2511 1649 358 29 0 1326 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 10044

[startup+0.30212 s]
/proc/loadavg: 2.05 1.95 2.00 3/82 16630
/proc/meminfo: memFree=1413624/2055920 swapFree=4192812/4192956
[pid=16630] ppid=16628 vsize=12728 CPUtime=0.29
/proc/16630/stat : 16630 (ld-linux.so.2) R 16628 16630 14786 0 -1 4194304 2310 0 0 0 27 2 0 0 19 0 1 0 23024182 13033472 2289 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381179 0 0 4096 0 0 0 0 17 0 0 0
/proc/16630/statm: 3182 2290 358 29 0 1997 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12728

[startup+0.701194 s]
/proc/loadavg: 2.05 1.95 2.00 3/82 16630
/proc/meminfo: memFree=1413624/2055920 swapFree=4192812/4192956
[pid=16630] ppid=16628 vsize=22892 CPUtime=0.69
/proc/16630/stat : 16630 (ld-linux.so.2) R 16628 16630 14786 0 -1 4194304 4847 0 0 0 65 4 0 0 23 0 1 0 23024182 23441408 4826 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381121 0 0 4096 0 0 0 0 17 0 0 0
/proc/16630/statm: 5723 4827 358 29 0 4538 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 22892

[startup+1.50234 s]
/proc/loadavg: 2.05 1.95 2.00 3/83 16631
/proc/meminfo: memFree=1385648/2055920 swapFree=4192812/4192956
[pid=16630] ppid=16628 vsize=42948 CPUtime=1.49
/proc/16630/stat : 16630 (ld-linux.so.2) R 16628 16630 14786 0 -1 4194304 9880 0 0 0 142 7 0 0 25 0 1 0 23024182 43978752 9859 996147200 1448431616 1448550632 4294956208 18446744073709551615 134973898 0 0 4096 0 0 0 0 17 0 0 0
/proc/16630/statm: 10737 9860 358 29 0 9552 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 42948

[startup+3.10163 s]
/proc/loadavg: 2.05 1.95 2.00 3/83 16631
/proc/meminfo: memFree=1357808/2055920 swapFree=4192812/4192956
[pid=16630] ppid=16628 vsize=66272 CPUtime=3.09
/proc/16630/stat : 16630 (ld-linux.so.2) R 16628 16630 14786 0 -1 4194304 15816 0 0 0 297 12 0 0 25 0 1 0 23024182 67862528 15795 996147200 1448431616 1448550632 4294956208 18446744073709551615 134860748 0 0 4096 0 0 0 0 17 0 0 0
/proc/16630/statm: 16568 15795 412 29 0 15383 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 66272

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

[startup+3.20165 s]
/proc/loadavg: 2.05 1.95 2.00 3/83 16631
/proc/meminfo: memFree=1357808/2055920 swapFree=4192812/4192956
[pid=16630] ppid=16628 vsize=66272 CPUtime=3.19
/proc/16630/stat : 16630 (ld-linux.so.2) R 16628 16630 14786 0 -1 4194304 15816 0 0 0 307 12 0 0 25 0 1 0 23024182 67862528 15795 996147200 1448431616 1448550632 4294956208 18446744073709551615 134860715 0 0 4096 0 0 0 0 17 0 0 0
/proc/16630/statm: 16568 15795 412 29 0 15383 0
Current children cumulated CPU time (s) 3.19
Current children cumulated vsize (KiB) 66272

[startup+3.30167 s]
/proc/loadavg: 2.05 1.95 2.00 3/83 16631
/proc/meminfo: memFree=1356400/2055920 swapFree=4192812/4192956
[pid=16630] ppid=16628 vsize=61364 CPUtime=3.29
/proc/16630/stat : 16630 (ld-linux.so.2) R 16628 16630 14786 0 -1 4194304 15854 0 0 0 317 12 0 0 25 0 1 0 23024182 62836736 14605 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157378112 0 0 4096 0 0 0 0 17 0 0 0
/proc/16630/statm: 15341 14605 449 29 0 14156 0
Current children cumulated CPU time (s) 3.29
Current children cumulated vsize (KiB) 61364

Child status: 0
Real time (s): 3.32252
CPU time (s): 3.3185
CPU user time (s): 3.18252
CPU system time (s): 0.135979
CPU usage (%): 99.8787
Max. virtual memory (cumulated for all children) (KiB): 66272

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.18252
system time used= 0.135979
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 15855
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 0.006998 second user time and 0.017997 second system time

The end

Launcher Data 

Begin job on node2 at 2009-07-12 02:46:05
IDJOB=2075000
IDBENCH=56214
IDSOLVER=769
FILE ID=node2/2075000-1247359563
PBS_JOBID= 9506852
Free space on /tmp= 66292 MiB

SOLVER NAME= Mistral 1.545
BENCH NAME= CPAI08/csp/rand-8-20-5/normalized-rand-8-20-5-18-800-7_ext.xml
COMMAND LINE= /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2075000-1247359563/watcher-2075000-1247359563 -o /tmp/evaluation-result-2075000-1247359563/solver-2075000-1247359563 -C 1800 -W 2000 -M 900  /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2075000-1247359563.xml

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

MD5SUM BENCH= 34879420b3bf5ffa2588efa919042c15
RANDOM SEED=1390491636

node2.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		: 3000.265
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		: 3000.265
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:       1414104 kB
Buffers:         17904 kB
Cached:         116940 kB
SwapCached:          0 kB
Active:         553880 kB
Inactive:        39160 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1414104 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:           23156 kB
Writeback:           0 kB
Mapped:         478644 kB
Slab:            32940 kB
Committed_AS:   620596 kB
PageTables:       2804 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= 66292 MiB
End job on node2 at 2009-07-12 02:46:09