Trace number 41866

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
PBS 4.1LOPT376 6.22005 6.23233

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB05/
manquinho/primes-dimacs-cnf/normalized-ii32b4.opb
MD5SUM86f7a40f10562dbaf52738a8a2410a9b
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark376
Best CPU time to get the best result obtained on this benchmark2.82757
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 376
Optimality of the best value was proved YES
Number of variables762
Total number of constraints7299
Number of constraints which are clauses7299
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint2
Maximum length of a constraint32
Number of terms in the objective function 762
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 762
Number of bits of the sum of numbers in the objective function 10
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 762
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	c PBS v4 by Bashar Al-Rawi & Fadi Aloul
0.00	c Solving ROOT/tmp/node76/41866-1149283721/instance-41866-1149283721.opb ......
0.41	c done parsing opb.
0.41	o 381
0.87	o 380
0.89	o 379
1.85	o 378
1.86	o 377
1.94	o 376
6.22	o 376
6.22	s OPTIMUM FOUND
6.22	c Total Run Time					6.12507
6.22	v x1 -x10 -x100 x101 -x102 x103 -x104 x105 -x106 x107 -x108 x109 x11 -x110 x111 -x112 x113 -x114 x115 -x116 x117 -x118 x119 -x12
6.22	v -x120 x121 -x122 x123 -x124 -x125 x126 x127 -x128 -x129 x13 x130 x131 -x132 -x133 x134 x135 -x136 x137 -x138 x139 -x14 -x140
6.22	v x141 -x142 x143 -x144 x145 -x146 x147 -x148 x149 x15 -x150 x151 -x152 x153 -x154 x155 -x156 x157 -x158 x159 -x16 -x160 x161
6.22	v -x162 -x163 x164 x165 -x166 x167 -x168 x169 x17 -x170 x171 -x172 x173 -x174 -x175 x176 -x177 -x178 x179 -x18 -x180 x181 -x182
6.22	v x183 -x184 x185 -x186 x187 -x188 x189 -x19 -x190 x191 -x192 x193 -x194 x195 -x196 x197 -x198 x199 -x2 x20 -x200 x201 -x202 -x203
6.22	v -x204 x205 -x206 x207 -x208 x209 x21 -x210 x211 -x212 x213 -x214 x215 -x216 x217 -x218 x219 -x22 -x220 x221 -x222 x223 -x224
6.22	v x225 -x226 x227 -x228 x229 x23 -x230 x231 -x232 x233 -x234 x235 -x236 x237 -x238 x239 -x24 -x240 x241 -x242 x243 -x244 x245
6.22	v -x246 x247 -x248 -x249 x25 x250 x251 -x252 x253 -x254 x255 -x256 x257 -x258 x259 -x26 -x260 x261 -x262 x263 -x264 x265 -x266
6.22	v x267 -x268 x269 x27 -x270 x271 -x272 x273 -x274 x275 -x276 x277 -x278 x279 -x28 -x280 x281 -x282 x283 -x284 x285 -x286 x287
6.22	v -x288 x289 x29 -x290 x291 -x292 x293 -x294 x295 -x296 x297 -x298 x299 x3 -x30 -x300 x301 -x302 x303 -x304 x305 -x306 x307 -x308
6.22	v x309 x31 -x310 x311 -x312 x313 -x314 x315 -x316 x317 -x318 x319 -x32 -x320 x321 -x322 x323 -x324 x325 -x326 x327 -x328 -x329
6.22	v x33 x330 x331 -x332 x333 -x334 x335 -x336 x337 -x338 x339 -x34 -x340 x341 -x342 x343 -x344 x345 -x346 -x347 x348 x349 x35 -x350
6.22	v x351 -x352 x353 -x354 x355 -x356 -x357 x358 x359 -x36 -x360 x361 -x362 x363 -x364 x365 -x366 x367 -x368 x369 x37 -x370 x371
6.22	v -x372 x373 -x374 x375 -x376 x377 -x378 x379 -x38 -x380 x381 -x382 x383 -x384 x385 -x386 -x387 x388 -x389 x39 x390 -x391 x392
6.22	v -x393 x394 x395 -x396 -x397 x398 -x399 -x4 -x40 x400 x401 -x402 -x403 x404 -x405 x406 x407 -x408 -x409 x41 x410 -x411 x412 x413
6.22	v -x414 -x415 x416 x417 -x418 -x419 -x42 x420 -x421 x422 -x423 x424 x425 -x426 -x427 x428 -x429 x43 x430 x431 -x432 -x433 x434
6.22	v -x435 x436 x437 -x438 x439 -x44 -x440 -x441 x442 -x443 x444 x445 -x446 -x447 x448 -x449 x45 x450 -x451 x452 -x453 x454 x455
6.22	v -x456 x457 -x458 -x459 -x46 x460 -x461 -x462 -x463 x464 -x465 x466 x467 -x468 -x469 x47 x470 -x471 x472 x473 -x474 -x475 x476
6.22	v -x477 x478 x479 -x48 -x480 -x481 x482 -x483 x484 x485 -x486 -x487 x488 -x489 x49 x490 x491 -x492 x493 -x494 -x495 x496 -x497
6.22	v x498 x499 -x5 -x50 -x500 -x501 x502 -x503 x504 -x505 x506 -x507 x508 x509 x51 -x510 x511 -x512 -x513 x514 -x515 x516 -x517 x518
6.22	v x519 -x52 -x520 -x521 x522 -x523 x524 -x525 x526 x527 -x528 x529 x53 -x530 -x531 x532 -x533 x534 x535 -x536 -x537 x538 -x539
6.22	v -x54 x540 -x541 x542 -x543 x544 x545 -x546 x547 -x548 -x549 x55 x550 -x551 x552 -x553 x554 -x555 x556 x557 -x558 -x559 -x56
6.22	v x560 -x561 x562 x563 -x564 x565 -x566 -x567 x568 -x569 x57 x570 x571 -x572 -x573 x574 -x575 x576 x577 -x578 -x579 -x58 x580
6.22	v -x581 x582 -x583 x584 -x585 x586 x587 -x588 -x589 x59 x590 -x591 x592 x593 -x594 -x595 x596 -x597 x598 x599 x6 -x60 -x600 -x601
6.22	v x602 -x603 x604 x605 -x606 x607 -x608 -x609 x61 x610 -x611 x612 x613 -x614 -x615 x616 -x617 x618 -x619 -x62 x620 -x621 x622
6.22	v x623 -x624 -x625 x626 -x627 x628 x629 x63 -x630 x631 -x632 -x633 x634 -x635 -x636 -x637 x638 -x639 -x64 x640 x641 -x642 x643
6.22	v -x644 -x645 x646 -x647 x648 x649 x65 -x650 -x651 x652 -x653 x654 x655 -x656 -x657 x658 -x659 -x66 x660 -x661 x662 -x663 x664
6.22	v x665 -x666 x667 -x668 -x669 x67 x670 -x671 x672 -x673 x674 -x675 x676 x677 -x678 -x679 -x68 x680 -x681 x682 x683 -x684 x685
6.22	v -x686 -x687 x688 -x689 x69 x690 -x691 x692 -x693 x694 x695 -x696 x697 -x698 -x699 x7 -x70 x700 -x701 -x702 -x703 x704 x705 -x706
6.22	v -x707 x708 -x709 x71 x710 x711 -x712 -x713 x714 -x715 x716 -x717 x718 x719 -x72 -x720 -x721 x722 x723 -x724 -x725 x726 x727
6.22	v -x728 -x729 x73 x730 -x731 x732 -x733 x734 -x735 x736 x737 -x738 -x739 -x74 x740 x741 -x742 -x743 x744 -x745 x746 -x747 x748
6.22	v x749 x75 -x750 -x751 x752 -x753 x754 x755 -x756 x757 -x758 -x759 -x76 x760 -x761 x762 x77 -x78 -x79 -x8 x80 x81 -x82 x83 -x84
6.22	v x85 -x86 x87 -x88 x89 x9 -x90 x91 -x92 x93 -x94 x95 -x96 x97 -x98 x99

Verifier Data (download as text)

OK	376

Watcher Data (download as text)

Enforcing CPU limit (will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1830 seconds
Enforcing Stack size limit: 67108864 bytes
Enforcing memory limit (will send SIGKILL): 1843200 Kb
Enforcing VSIZE limit: 1887436800 bytes
runsolver version 3.0.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node76/watcher-41866-1149283721 -o ROOT/results/node76/solver-41866-1149283721 -C 1800 -M 1800 -S 64 ROOT/solvers/PB/PB06final/user11/PBS4L ROOT/tmp/node76/41866-1149283721/instance-41866-1149283721.opb 877226223 

Current StackSize limit: 67108864 bytes

/proc/loadavg: 0.84 0.94 0.90 2/68 24255
/proc/meminfo: memFree=1547744/2055888 swapFree=4085392/4096564
[pid=24255] ppid=24253 vsize=1400 CPUtime=0
/proc/24255/stat : 24255 (PBS4L) R 24253 24255 24209 0 -1 4194304 129 0 0 0 0 0 0 0 19 0 1 0 194011482 1433600 114 18446744073709551615 134512640 135466232 4294956672 18446744073709551615 134598861 0 0 4096 0 0 0 0 17 1 0 0
/proc/24255/statm: 350 116 90 232 0 115 0

Child status: 0
Real time (s): 6.23233
CPU time (s): 6.22005
CPU user time (s): 6.20606
CPU system time (s): 0.013997
CPU usage (%): 99.803
Max. virtual memory (cumulated for all children) (Kb): 0

Launcher Data (download as text)

Begin job on node76 on Fri Jun  2 21:28:41 UTC 2006


FILE ID= 41866-1149283721

PBS_JOBID= 306273

BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-SMALLINT/submitted-PB05/manquinho/primes-dimacs-cnf/normalized-ii32b4.opb
COMMAND LINE= ROOT/solvers/PB/PB06final/user11/PBS4L ROOT/tmp/node76/41866-1149283721/instance-41866-1149283721.opb 877226223
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node76/watcher-41866-1149283721 -o ROOT/results/node76/solver-41866-1149283721 -C 1800 -M 1800 -S 64  ROOT/solvers/PB/PB06final/user11/PBS4L ROOT/tmp/node76/41866-1149283721/instance-41866-1149283721.opb 877226223

MD5SUM SOLVER= ab46593c31a6a47b9d9920387a00d332
MD5SUM BENCH=  86f7a40f10562dbaf52738a8a2410a9b

RANDOM SEED= 877226223


/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		: 3000.236
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	: 6006.14
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		: 3000.236
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	: 5999.40
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055888 kB
MemFree:       1548080 kB
Buffers:         37136 kB
Cached:         402784 kB
SwapCached:       2488 kB
Active:         104792 kB
Inactive:       343976 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055888 kB
LowFree:       1548080 kB
SwapTotal:     4096564 kB
SwapFree:      4085392 kB
Dirty:             140 kB
Writeback:           0 kB
Mapped:          16548 kB
Slab:            45648 kB
Committed_AS:   281496 kB
PageTables:       1260 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264388 kB
VmallocChunk: 536606243 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB


End job on node76 on Fri Jun  2 21:28:47 UTC 2006