Trace number 432916

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, and are wall clock time (not CPU 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 NameAnswerObjective functionCPU timeWall clock time
bsolo 3.0.17OPT70 0.733887 0.841227

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB05/
manquinho/routing/normalized-s4-4-3-10pb.opb
MD5SUMf76aa567f8c3ab400d153b705424800c
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark70
Best CPU time to get the best result obtained on this benchmark0.205967
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 70
Optimality of the best value was proved YES
Number of variables840
Total number of constraints2528
Number of constraints which are clauses2504
Number of constraints which are cardinality constraints (but not clauses)24
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint2
Maximum length of a constraint35
Number of terms in the objective function 840
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 840
Number of bits of the sum of numbers in the objective function 10
Biggest number in a constraint 3
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 840
Number of bits of the biggest sum of numbers10
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

Solver Data (download as text)

0.00/0.01	c bsolo beta version 3.0.17 - 27/04/2007 : 1600 GMT
0.00/0.01	c Developed by Vasco Manquinho IST/UTL - INESC-ID
0.00/0.01	c type "bsolo -h" for help
0.00/0.01	c Time Limit set via environment variable PBTIMEOUT to 1800
0.00/0.01	c Memory Limit set to 1800 MB
0.00/0.01	c Instance file /tmp/evaluation/432916-1177952250/instance-432916-1177952250.opb
0.00/0.01	c File size is 91463 bytes.
0.00/0.03	c Highest Coefficient sum: 840
0.00/0.03	c Parsing was ok!!
0.00/0.03	c Total parsing time: 0.016 s
0.00/0.03	c Var: 840 Constr: 2528 2504/24/0 Lit: 8380 Watch. Lit: 5800
0.00/0.03	c Obj. Vars: 840 (100 % of total variables)
0.00/0.04	c Pre-processing Time: 0.027 s
0.09/0.24	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.24	c        0    700     2248     7820    3     5240    9701      0      0 0.03
0.09/0.24	c Initial Lower Bound: 70
0.09/0.24	c Initial Path Cost: 18
0.69/0.82	c      100    700     2348     8716    3     5440   10672    100    709 0.14
0.69/0.82	c      250    700     2498    10224    4     5740   11740    250   1677 0.15
0.69/0.82	c      475    699     2723    13047    4     6189   12915    475   2914 0.16
0.69/0.82	c      813    699     3061    18141    5     6865   14207    813   4234 0.19
0.69/0.82	c     1322    699     3570    24486    6     7883   15628   1322   5722 0.23
0.69/0.82	c     2085    696     4333    33797    7     9406   17191   2085   7020 0.30
0.69/0.82	c     3232    696     5480    55066   10    11700   18911   3232   7713 0.42
0.69/0.82	c     4953    693     7201    80549   11    15139   20803   4953   8241 0.60
0.69/0.82	o 72	0.718
0.69/0.83	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.69/0.83	c     5707    692     7956    92883   11    17273   11051   5708   7937 0.72
0.69/0.83	o 70	0.723 * 
0.69/0.83	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.69/0.83	c     5707    692     7957    93558   11    17900   11051   5709   7893 0.72
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0.69/0.83	v -x234 -x235 -x236 x237 -x238 -x239 -x240 -x241 -x242 -x243 -x244 -x245 x246 -x247 -x248 -x249 -x250 -x251 -x252 -x253 -x254
0.69/0.83	v -x255 x256 -x257 -x258 -x259 -x260 -x261 -x262 -x263 -x264 -x265 -x266 -x267 -x268 x269 -x270 -x271 -x272 -x273 -x274 -x275
0.69/0.83	v -x276 -x277 -x278 x279 -x280 -x281 -x282 -x283 -x284 -x285 -x286 -x287 -x288 -x289 -x290 x291 -x292 -x293 -x294 -x295 -x296
0.69/0.83	v -x297 -x298 -x299 -x300 -x301 -x302 -x303 x304 -x305 -x306 -x307 x308 -x309 -x310 -x311 -x312 -x313 -x314 -x315 -x316 -x317
0.69/0.83	v -x318 -x319 x320 -x321 -x322 -x323 -x324 -x325 -x326 -x327 -x328 -x329 -x330 -x331 -x332 -x333 -x334 x335 -x336 x337 -x338
0.69/0.83	v -x339 -x340 -x341 -x342 -x343 -x344 -x345 -x346 -x347 -x348 -x349 -x350 -x351 -x352 -x353 -x354 -x355 -x356 -x357 -x358 -x359
0.69/0.83	v -x360 -x361 -x362 -x363 -x364 -x365 -x366 -x367 -x368 -x369 -x370 -x371 x372 -x373 -x374 -x375 -x376 -x377 -x378 x379 -x380
0.69/0.83	v -x381 -x382 x383 -x384 -x385 -x386 -x387 -x388 -x389 -x390 -x391 -x392 -x393 x394 -x395 -x396 -x397 -x398 -x399 -x400 -x401
0.69/0.83	v -x402 -x403 -x404 -x405 -x406 -x407 -x408 x409 x410 -x411 -x412 -x413 -x414 -x415 -x416 -x417 -x418 -x419 -x420 -x421 -x422
0.69/0.83	v x423 -x424 -x425 -x426 x427 -x428 -x429 -x430 -x431 -x432 -x433 -x434 -x435 x436 -x437 -x438 -x439 -x440 -x441 -x442 -x443
0.69/0.83	v -x444 -x445 -x446 -x447 -x448 x449 -x450 -x451 -x452 x453 -x454 -x455 -x456 -x457 -x458 -x459 -x460 -x461 -x462 -x463 -x464
0.69/0.83	v -x465 x466 x467 -x468 -x469 -x470 -x471 -x472 x473 -x474 -x475 -x476 x477 -x478 -x479 -x480 -x481 -x482 -x483 -x484 -x485
0.69/0.83	v -x486 x487 -x488 -x489 -x490 x491 x492 -x493 -x494 -x495 -x496 -x497 -x498 -x499 -x500 -x501 x502 -x503 -x504 -x505 -x506
0.69/0.83	v x507 -x508 -x509 -x510 -x511 -x512 -x513 -x514 -x515 -x516 -x517 -x518 -x519 x520 -x521 -x522 -x523 -x524 -x525 -x526 -x527
0.69/0.83	v -x528 -x529 -x530 -x531 -x532 -x533 -x534 -x535 -x536 -x537 -x538 -x539 -x540 -x541 -x542 -x543 -x544 -x545 -x546 -x547 -x548
0.69/0.83	v -x549 x550 -x551 -x552 -x553 -x554 -x555 -x556 -x557 -x558 -x559 -x560 -x561 -x562 -x563 -x564 -x565 -x566 -x567 -x568 -x569
0.69/0.83	v -x570 -x571 -x572 -x573 -x574 -x575 x576 -x577 -x578 x579 -x580 -x581 -x582 -x583 -x584 -x585 -x586 -x587 -x588 -x589 -x590
0.69/0.83	v x591 -x592 -x593 -x594 -x595 -x596 -x597 -x598 -x599 -x600 -x601 -x602 -x603 -x604 -x605 -x606 -x607 -x608 -x609 -x610 -x611
0.69/0.83	v -x612 -x613 -x614 -x615 -x616 -x617 -x618 -x619 -x620 -x621 -x622 -x623 x624 -x625 -x626 -x627 -x628 -x629 -x630 -x631 -x632
0.69/0.83	v -x633 -x634 -x635 -x636 -x637 -x638 -x639 -x640 -x641 -x642 -x643 -x644 -x645 -x646 -x647 x648 -x649 -x650 -x651 -x652 -x653
0.69/0.83	v -x654 -x655 -x656 -x657 x658 -x659 -x660 -x661 -x662 -x663 -x664 -x665 -x666 -x667 -x668 -x669 -x670 -x671 -x672 -x673 -x674
0.69/0.83	v -x675 -x676 -x677 -x678 -x679 -x680 -x681 -x682 -x683 -x684 x685 -x686 -x687 -x688 -x689 -x690 -x691 -x692 -x693 -x694 -x695
0.69/0.83	v -x696 -x697 -x698 -x699 -x700 -x701 -x702 -x703 -x704 x705 -x706 -x707 -x708 -x709 -x710 -x711 -x712 -x713 -x714 -x715 -x716
0.69/0.83	v -x717 -x718 -x719 -x720 -x721 x722 -x723 -x724 -x725 -x726 -x727 -x728 -x729 -x730 -x731 -x732 -x733 -x734 -x735 -x736 -x737
0.69/0.83	v -x738 -x739 -x740 -x741 -x742 -x743 -x744 -x745 -x746 -x747 -x748 -x749 -x750 -x751 -x752 -x753 -x754 -x755 -x756 x757 -x758
0.69/0.83	v -x759 -x760 -x761 -x762 -x763 -x764 -x765 -x766 -x767 -x768 -x769 -x770 -x771 x772 -x773 -x774 -x775 -x776 -x777 -x778 -x779
0.69/0.83	v -x780 -x781 -x782 -x783 -x784 -x785 -x786 -x787 -x788 -x789 -x790 -x791 -x792 -x793 x794 -x795 -x796 -x797 -x798 -x799 -x800
0.69/0.83	v -x801 -x802 -x803 -x804 -x805 -x806 -x807 -x808 -x809 -x810 -x811 -x812 -x813 -x814 -x815 -x816 -x817 -x818 -x819 x820 -x821
0.69/0.83	v -x822 -x823 -x824 -x825 -x826 -x827 -x828 -x829 -x830 -x831 -x832 -x833 -x834 -x835 -x836 -x837 -x838 -x839 -x840
0.69/0.83	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.69/0.83	c   10     5708   1995    13570     7960    93563   5712   7840 0.73
0.69/0.83	c Objective: 70
0.69/0.83	s OPTIMUM FOUND
0.69/0.83	c Total time: 0.728 s

Verifier Data (download as text)

OK	70

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node16/watcher-432916-1177952250 -o ROOT/results/node16/solver-432916-1177952250 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.17 -m1800 /tmp/evaluation/432916-1177952250/instance-432916-1177952250.opb 

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): 3600 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 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: 1.05 1.01 0.95 2/77 20478
/proc/meminfo: memFree=1874696/2055920 swapFree=4145328/4192956
[pid=20478] ppid=20476 vsize=2380 CPUtime=0
/proc/20478/stat : 20478 (bsolo3.0.17) D 20476 20478 19623 0 -1 4194304 52 0 0 0 0 0 0 0 18 0 1 0 243142706 2437120 36 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 7205796 0 0 4096 0 18446744071563608240 0 0 17 1 0 0
/proc/20478/statm: 595 36 28 324 0 9 0

[startup+0.0196501 s]
/proc/loadavg: 1.05 1.01 0.95 2/77 20478
/proc/meminfo: memFree=1874696/2055920 swapFree=4145328/4192956
[pid=20478] ppid=20476 vsize=4156 CPUtime=0
/proc/20478/stat : 20478 (bsolo3.0.17) R 20476 20478 19623 0 -1 4194304 393 0 0 0 0 0 0 0 18 0 1 0 243142706 4255744 363 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 7640699 0 0 4096 16384 0 0 0 17 0 0 0
/proc/20478/statm: 1039 363 285 324 0 86 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 4156

[startup+0.10263 s]
/proc/loadavg: 1.05 1.01 0.95 2/77 20478
/proc/meminfo: memFree=1874696/2055920 swapFree=4145328/4192956
[pid=20478] ppid=20476 vsize=4600 CPUtime=0.03
/proc/20478/stat : 20478 (bsolo3.0.17) D 20476 20478 19623 0 -1 4194304 575 0 1 0 2 1 0 0 18 0 1 0 243142706 4710400 523 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4160056736 0 0 4096 16384 18446744071563479169 0 0 17 0 0 0
/proc/20478/statm: 1150 523 311 324 0 220 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 4600

[startup+0.301588 s]
/proc/loadavg: 1.05 1.01 0.95 2/77 20478
/proc/meminfo: memFree=1874696/2055920 swapFree=4145328/4192956
[pid=20478] ppid=20476 vsize=5240 CPUtime=0.19
/proc/20478/stat : 20478 (bsolo3.0.17) R 20476 20478 19623 0 -1 4194304 1405 0 2 0 18 1 0 0 18 0 1 0 243142706 5365760 762 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 7639702 0 0 4096 16384 0 0 0 17 0 0 0
/proc/20478/statm: 1310 762 395 324 0 380 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 5240

[startup+0.701504 s]
/proc/loadavg: 1.05 1.01 0.95 2/77 20478
/proc/meminfo: memFree=1874696/2055920 swapFree=4145328/4192956
[pid=20478] ppid=20476 vsize=6412 CPUtime=0.59
/proc/20478/stat : 20478 (bsolo3.0.17) R 20476 20478 19623 0 -1 4194304 1717 0 2 0 58 1 0 0 21 0 1 0 243142706 6565888 1074 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134574219 0 0 4096 16384 0 0 0 17 0 0 0
/proc/20478/statm: 1603 1074 395 324 0 673 0
Current children cumulated CPU time (s) 0.59
Current children cumulated vsize (KiB) 6412

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

[startup+0.802483 s]
/proc/loadavg: 1.05 1.01 0.95 2/77 20478
/proc/meminfo: memFree=1874696/2055920 swapFree=4145328/4192956
[pid=20478] ppid=20476 vsize=6676 CPUtime=0.69
/proc/20478/stat : 20478 (bsolo3.0.17) R 20476 20478 19623 0 -1 4194304 1769 0 2 0 68 1 0 0 22 0 1 0 243142706 6836224 1126 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134550738 0 0 4096 16384 0 0 0 17 0 0 0
/proc/20478/statm: 1669 1126 395 324 0 739 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6676

Child status: 0
Real time (s): 0.841227
CPU time (s): 0.733887
CPU user time (s): 0.71889
CPU system time (s): 0.014997
CPU usage (%): 87.2401
Max. virtual memory (cumulated for all children) (KiB): 6676

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.71889
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= 2209
page faults= 2
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 15
involuntary context switches= 7

runsolver used 0.000999 second user time and 0.006998 second system time

The end

Launcher Data (download as text)

Begin job on node16 on Mon Apr 30 16:57:31 UTC 2007

IDJOB= 432916
IDBENCH= 2038
IDSOLVER= 199
FILE ID= node16/432916-1177952250

PBS_JOBID= 4727827

Free space on /tmp= 66558 MiB

SOLVER NAME= bsolo 3.0.17
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-SMALLINT/submitted-PB05/manquinho/routing/normalized-s4-4-3-10pb.opb
COMMAND LINE= bsolo3.0.17 -m1800 /tmp/evaluation/432916-1177952250/instance-432916-1177952250.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node16/watcher-432916-1177952250 -o ROOT/results/node16/solver-432916-1177952250 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.17 -m1800 /tmp/evaluation/432916-1177952250/instance-432916-1177952250.opb            

META MD5SUM SOLVER= c9b15312c639dd71a11a1e3ca1b27020
MD5SUM BENCH=  f76aa567f8c3ab400d153b705424800c

RANDOM SEED= 634293580

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node16.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.232
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		: 3000.232
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:       1875232 kB
Buffers:          2840 kB
Cached:          71056 kB
SwapCached:      11716 kB
Active:          83928 kB
Inactive:        32728 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1875232 kB
SwapTotal:     4192956 kB
SwapFree:      4145328 kB
Dirty:            6776 kB
Writeback:           0 kB
Mapped:          49340 kB
Slab:            49500 kB
Committed_AS:  7693488 kB
PageTables:       1904 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= 66558 MiB

End job on node16 on Mon Apr 30 16:57:32 UTC 2007