Trace number 40281

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 2006/05OPT64 13.6929 13.7336

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/
submitted-PB05/manquinho/routing/normalized-s4-4-3-7pb.opb
MD5SUMc260403f4942794773ec12b2770e1c07
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark64
Best CPU time to get the best result obtained on this benchmark0.252961
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 64
Optimality of the best value was proved YES
Number of variables672
Total number of constraints2030
Number of constraints which are clauses2006
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 constraint28
Number of terms in the objective function 672
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 672
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 672
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 Time Limit set via PBTIMEOUT to 1800
0.01	c INFO: OSL Context initialized.
0.06	c Initial problem consists of 672 variables and 2030 constraints.
0.07	c No problem reductions applied in OPT. instance.
0.07	c	preprocess terminated. Elapsed time: 0.055
0.07	c After prepocess the problem consists of 560 variables and 1806 constraints.
0.07	c Initial Lower Bound: 14
0.11	c Restart #1 #Var: 560 LB: 14 @ 0.102
0.20	c Restart #2 #Var: 560 LB: 14 @ 0.192
0.34	c Restart #3 #Var: 560 LB: 14 @ 0.327
0.49	c Restart #4 #Var: 560 LB: 14 @ 0.482
0.73	c Restart #5 #Var: 560 LB: 14 @ 0.722
1.05	c Restart #6 #Var: 560 LB: 14 @ 1.041
1.40	c Restart #7 #Var: 560 LB: 14 @ 1.388
1.89	c Restart #8 #Var: 560 LB: 14 @ 1.873
2.41	c Restart #9 #Var: 560 LB: 14 @ 2.396
3.26	c Restart #10 #Var: 560 LB: 14 @ 3.243
4.07	c Restart #11 #Var: 560 LB: 14 @ 4.054
4.49	c Sol. found (all assignments made)...
4.49	o 70
4.49	c NEW SOLUTION FOUND: 70 @ 4.472
4.49	c Sol. found (all assignments made)...
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4.49	o 68
4.49	c NEW SOLUTION FOUND: 68 @ 4.478
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4.72	o 66
4.72	c NEW SOLUTION FOUND: 66 @ 4.703
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5.57	c Restart #12 #Var: 559 LB: 14 @ 5.546
7.52	c Restart #13 #Var: 559 LB: 14 @ 7.489
7.86	c Sol. found (all assignments made)...
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8.69	c Restart #14 #Var: 559 LB: 14 @ 8.665
10.76	c Restart #15 #Var: 559 LB: 14 @ 10.728
13.11	c CHANGE to LPR mode... 	UB: 66	MIS: 45	LPR: 64 (0.097)	Diff: 0.70312
13.11	c Restart #0 #Var: 559 LB: 14 @ 13.07
13.44	o 64
13.44	c NEW SOLUTION FOUND: 64 @ 13.398
13.72	s OPTIMUM FOUND
13.72	c Cost: 64
13.72	v -x1 -x2 -x3 -x4 -x5 -x6 -x7 x8 -x9 -x10 -x11 -x12 -x13 -x14 -x15 -x16 -x17 -x18 -x19 -x20 -x21 -x22 x23 -x24 -x25 -x26 -x27 -x28
13.72	v -x29 -x30 -x31 -x32 -x33 -x34 x35 -x36 -x37 -x38 -x39 -x40 -x41 -x42 -x43 -x44 -x45 -x46 -x47 -x48 -x49 -x50 -x51 -x52 -x53 -x54
13.72	v -x55 -x56 -x57 -x58 -x59 -x60 x61 -x62 -x63 -x64 -x65 -x66 -x67 -x68 -x69 -x70 -x71 -x72 -x73 x74 x75 -x76 -x77 -x78 -x79 -x80
13.72	v -x81 -x82 -x83 -x84 -x85 -x86 -x87 -x88 -x89 -x90 -x91 -x92 -x93 -x94 -x95 -x96 -x97 -x98 -x99 x100 x101 -x102 -x103 -x104 -x105
13.72	v -x106 -x107 -x108 x109 -x110 -x111 -x112 -x113 -x114 x115 -x116 -x117 -x118 x119 -x120 -x121 x122 -x123 -x124 -x125 x126 -x127
13.72	v -x128 -x129 -x130 -x131 -x132 -x133 -x134 x135 -x136 -x137 -x138 -x139 x140 -x141 -x142 -x143 -x144 -x145 -x146 -x147 -x148
13.72	v -x149 -x150 -x151 -x152 -x153 -x154 -x155 -x156 -x157 x158 -x159 -x160 -x161 -x162 -x163 -x164 -x165 -x166 -x167 -x168 -x169
13.72	v x170 x171 -x172 -x173 -x174 -x175 -x176 -x177 -x178 -x179 -x180 -x181 -x182 -x183 x184 -x185 -x186 -x187 x188 -x189 -x190
13.72	v -x191 x192 -x193 -x194 -x195 x196 -x197 -x198 -x199 -x200 -x201 -x202 -x203 -x204 -x205 -x206 -x207 -x208 -x209 x210 -x211
13.72	v -x212 -x213 x214 -x215 -x216 -x217 -x218 -x219 -x220 -x221 -x222 -x223 -x224 -x225 -x226 -x227 -x228 -x229 x230 -x231 -x232
13.72	v -x233 x234 -x235 -x236 -x237 x238 -x239 -x240 -x241 -x242 -x243 -x244 -x245 -x246 -x247 -x248 -x249 -x250 -x251 -x252 x253
13.72	v -x254 -x255 -x256 x257 -x258 -x259 -x260 x261 -x262 -x263 -x264 -x265 -x266 -x267 -x268 -x269 -x270 x271 x272 x273 -x274 -x275
13.72	v -x276 -x277 -x278 -x279 -x280 -x281 -x282 -x283 -x284 -x285 -x286 -x287 -x288 -x289 -x290 -x291 -x292 -x293 -x294 -x295 -x296
13.72	v -x297 -x298 -x299 -x300 -x301 -x302 -x303 -x304 -x305 -x306 -x307 -x308 x309 -x310 -x311 -x312 -x313 -x314 x315 -x316 -x317
13.72	v -x318 x319 x320 -x321 -x322 -x323 -x324 -x325 -x326 x327 -x328 -x329 -x330 x331 -x332 -x333 -x334 -x335 -x336 -x337 -x338
13.72	v -x339 -x340 -x341 -x342 -x343 -x344 -x345 -x346 -x347 -x348 -x349 -x350 -x351 -x352 x353 -x354 -x355 -x356 x357 -x358 -x359
13.72	v -x360 -x361 -x362 -x363 -x364 x365 x366 -x367 -x368 -x369 -x370 -x371 -x372 -x373 x374 -x375 -x376 -x377 -x378 -x379 -x380
13.72	v -x381 -x382 -x383 -x384 -x385 -x386 -x387 -x388 -x389 -x390 x391 -x392 -x393 -x394 -x395 -x396 -x397 -x398 -x399 -x400 x401
13.72	v -x402 -x403 -x404 -x405 -x406 -x407 -x408 -x409 -x410 -x411 -x412 -x413 -x414 -x415 -x416 -x417 -x418 -x419 x420 -x421 -x422
13.72	v -x423 -x424 -x425 -x426 -x427 x428 -x429 -x430 -x431 x432 -x433 -x434 -x435 x436 -x437 -x438 -x439 -x440 -x441 -x442 -x443
13.72	v -x444 -x445 -x446 -x447 -x448 -x449 -x450 -x451 -x452 -x453 -x454 -x455 -x456 -x457 -x458 -x459 -x460 -x461 -x462 -x463 -x464
13.72	v -x465 x466 x467 -x468 -x469 -x470 -x471 -x472 -x473 -x474 x475 -x476 -x477 -x478 x479 -x480 -x481 -x482 -x483 -x484 x485 x486
13.72	v -x487 -x488 -x489 -x490 -x491 -x492 -x493 -x494 -x495 -x496 -x497 -x498 -x499 -x500 -x501 -x502 -x503 -x504 -x505 -x506 -x507
13.72	v -x508 -x509 -x510 -x511 -x512 -x513 -x514 x515 -x516 -x517 -x518 -x519 -x520 -x521 -x522 -x523 -x524 -x525 x526 -x527 -x528
13.72	v x529 -x530 -x531 -x532 -x533 -x534 -x535 -x536 -x537 -x538 -x539 -x540 -x541 -x542 -x543 -x544 -x545 -x546 -x547 -x548 -x549
13.72	v -x550 -x551 -x552 -x553 -x554 -x555 -x556 -x557 -x558 -x559 -x560 -x561 -x562 -x563 -x564 -x565 -x566 x567 -x568 -x569 -x570
13.72	v -x571 -x572 -x573 -x574 -x575 -x576 -x577 -x578 -x579 -x580 -x581 -x582 -x583 -x584 -x585 -x586 -x587 -x588 -x589 -x590 -x591
13.72	v -x592 -x593 -x594 -x595 -x596 -x597 -x598 -x599 x600 -x601 -x602 -x603 -x604 -x605 -x606 -x607 -x608 -x609 -x610 -x611 x612
13.72	v -x613 -x614 -x615 -x616 -x617 -x618 -x619 -x620 -x621 -x622 -x623 -x624 -x625 -x626 -x627 -x628 -x629 -x630 -x631 -x632 -x633
13.72	v -x634 -x635 -x636 -x637 -x638 -x639 -x640 -x641 x642 -x643 -x644 -x645 -x646 -x647 -x648 -x649 -x650 -x651 -x652 -x653 -x654
13.72	v -x655 -x656 -x657 -x658 -x659 x660 -x661 -x662 -x663 -x664 -x665 -x666 -x667 -x668 -x669 -x670 -x671 -x672
13.72	c Exit Code: 30
13.72	c Total time: 13.686 s

Verifier Data (download as text)

OK	64

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/node54/watcher-40281-1149404213 -o ROOT/results/node54/solver-40281-1149404213 -C 1800 -M 1800 -S 64 ROOT/solvers/PB/PB06final/user10/bsolo ROOT/tmp/node54/40281-1149404213/instance-40281-1149404213.opb 

Current StackSize limit: 67108864 bytes

/proc/loadavg: 0.89 0.95 0.98 2/64 11749
/proc/meminfo: memFree=1631040/2055920 swapFree=4180872/4192956
[pid=11749] ppid=11747 vsize=4664 CPUtime=0
/proc/11749/stat : 11749 (bsolo) R 11747 11749 11703 0 -1 0 170 0 0 0 0 0 0 0 19 0 1 0 206088836 4775936 150 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 10094416 0 0 4096 0 0 0 0 17 1 0 0
/proc/11749/statm: 1154 141 102 55 0 46 0

[startup+10.0031 s]
/proc/loadavg: 0.91 0.95 0.98 2/64 11749
/proc/meminfo: memFree=1616256/2055920 swapFree=4180872/4192956
[pid=11749] ppid=11747 vsize=19492 CPUtime=9.97
/proc/11749/stat : 11749 (bsolo) R 11747 11749 11703 0 -1 0 4137 0 0 0 993 4 0 0 25 0 1 0 206088836 19959808 4052 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 134534116 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11749/statm: 4873 4052 301 55 0 3765 0
Current children cumulated CPU time (s) 9.97
Current children cumulated vsize (Kb) 19492

Child status: 30
Real time (s): 13.7336
CPU time (s): 13.6929
CPU user time (s): 13.6269
CPU system time (s): 0.065989
CPU usage (%): 99.704
Max. virtual memory (cumulated for all children) (Kb): 19492

Launcher Data (download as text)

Begin job on node54 on Sun Jun  4 06:56:53 UTC 2006


FILE ID= 40281-1149404213

PBS_JOBID= 314261

BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-SMALLINT/submitted-PB05/manquinho/routing/normalized-s4-4-3-7pb.opb
COMMAND LINE= ROOT/solvers/PB/PB06final/user10/bsolo ROOT/tmp/node54/40281-1149404213/instance-40281-1149404213.opb
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node54/watcher-40281-1149404213 -o ROOT/results/node54/solver-40281-1149404213 -C 1800 -M 1800 -S 64  ROOT/solvers/PB/PB06final/user10/bsolo ROOT/tmp/node54/40281-1149404213/instance-40281-1149404213.opb

MD5SUM SOLVER= 05cada221eb1efaaae980ebc7509e7e8
MD5SUM BENCH=  c260403f4942794773ec12b2770e1c07

RANDOM SEED= 457391111


/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		: 3000.279
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		: 3000.279
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:       1631440 kB
Buffers:         32788 kB
Cached:         319124 kB
SwapCached:       3864 kB
Active:          93992 kB
Inactive:       266668 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1631440 kB
SwapTotal:     4192956 kB
SwapFree:      4180872 kB
Dirty:             180 kB
Writeback:           0 kB
Mapped:          14920 kB
Slab:            49808 kB
Committed_AS:   403652 kB
PageTables:       1432 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB


End job on node54 on Sun Jun  4 06:57:07 UTC 2006