PB'05 competition: run trace

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 in four parts:

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 provide some useful information on the computer.
SOLVER DATA
This is the output of the solver (stdout and stderr).
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 1200 seconds. 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 1230 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (900Mb).
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.
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.

General information on the benchmark

Name	normalized-opb/submitted/manquinho/primes-dimacs-cnf/normalized-aim-200-1_6-yes1-4.opb
MD5SUM	2f53041e69d1bcf59677042f65bff335
Bench Category	optimization, small integers (OPTSMALLINT)
Has Objective Function	YES
Satisfiable	YES
(Un)Satisfiability was proved	YES
Best value of the objective function	200
Optimality of the best value was proved	NO
Number of terms in the objective function	400
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	400
Number of bits of the sum of numbers in the objective function	9
Biggest number in a constraint	2
Number of bits of the biggest number in a constraint	2
Biggest sum of numbers in a constraint	400
Number of bits of the biggest sum of numbers	9
Best result obtained on this benchmark	SAT
Best CPU time to get the best result obtained on this benchmark	0.043993
Number of variables	400
Total number of constraints	520
Number of constraints which are clauses	516
Number of constraints which are cardinality constraints (but not clauses)	0
Number of constraints which are nor clauses,nor cardinality constraints	4
Minimum length of a constraint	2
Maximum length of a constraint	3

Trace number 23607

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc31 THE 2005-05-04 12:32:03 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=838 boxname=wulflinc31 idbench=94 idsolver=1 numberseed=0
MD5SUM SOLVER: e973bb179fd0e01ec8c7277096f1c3ef  /oldhome/oroussel/solvers/bsolo_lpr
MD5SUM BENCH:  2f53041e69d1bcf59677042f65bff335  /oldhome/oroussel/tmp/wulflinc31/normalized-aim-200-1_6-yes1-4.opb
REAL COMMAND:  bsolo_lpr /oldhome/oroussel/tmp/wulflinc31/normalized-aim-200-1_6-yes1-4.opb
IDLAUNCH: 838
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.153
cache size	: 512 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 2
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips	: 888.83

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.153
cache size	: 512 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 2
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips	: 901.12

/proc/meminfo:
MemTotal:      1034660 kB
MemFree:        910792 kB
Buffers:         43056 kB
Cached:          58544 kB
SwapCached:        944 kB
Active:          83640 kB
Inactive:        20388 kB
HighTotal:      131008 kB
HighFree:        71484 kB
LowTotal:       903652 kB
LowFree:        839308 kB
SwapTotal:     2097892 kB
SwapFree:      2096432 kB
Dirty:              36 kB
Writeback:           0 kB
Mapped:           5540 kB
Slab:            14188 kB
Committed_AS:    63636 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-04 12:32:40 (client local time) WITH STATUS 30 IN 36.4005 SECONDS
stats: 838 0 36.4005 30
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c INFO: OSL Context initialized.
c Initial problem consists of 400 variables and 520 constraints.
c After prepocess the problem consists of 400 variables and 520 constraints.
c preprocess terminated 0.128 s
c Initial Lower Bound: 127
c Lower Bound Elapsed time: 0.706
c Use computed LB before first solution.
c NEW SOLUTION FOUND: 200 @ 36.367
s OPTIMUM FOUND
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 -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 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 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 -x106 -x107 x108 -x109 x110 x111 -x112 -x113 x114 x115 -x116 -x117 x118 x119 -x120 -x121 x122 x123 -x124 -x125 x126 -x127 x128 x129 -x130 x131 -x132 -x133 x134 -x135 x136 x137 -x138 x139 -x140 -x141 x142 -x143 x144 -x145 x146 -x147 x148 x149 -x150 -x151 x152 -x153 x154 -x155 x156 -x157 x158 x159 -x160 x161 -x162 -x163 x164 -x165 x166 x167 -x168 -x169 x170 x171 -x172 x173 -x174 x175 -x176 -x177 x178 x179 -x180 -x181 x182 x183 -x184 -x185 x186 -x187 x188 -x189 x190 x191 -x192 -x193 x194 x195 -x196 x197 -x198 -x199 x200 x201 -x202 x203 -x204 x205 -x206 -x207 x208 -x209 x210 x211 -x212 x213 -x214 x215 -x216 -x217 x218 x219 -x220 x221 -x222 x223 -x224 -x225 x226 x227 -x228 x229 -x230 -x231 x232 x233 -x234 x235 -x236 x237 -x238 x239 -x240 -x241 x242 -x243 x244 -x245 x246 x247 -x248 -x249 x250 -x251 x252 -x253 x254 x255 -x256 -x257 x258 -x259 x260 -x261 x262 x263 -x264 -x265 x266 x267 -x268 x269 -x270 -x271 x272 -x273 x274 -x275 x276 x277 -x278 x279 -x280 -x281 x282 -x283 x284 x285 -x286 -x287 x288 x289 -x290 -x291 x292 -x293 x294 x295 -x296 x297 -x298 x299 -x300 -x301 x302 -x303 x304 -x305 x306 -x307 x308 x309 -x310 -x311 x312 -x313 x314 x315 -x316 -x317 x318 -x319 x320 x321 -x322 -x323 x324 -x325 x326 x327 -x328 x329 -x330 x331 -x332 x333 -x334 x335 -x336 -x337 x338 x339 -x340 -x341 x342 -x343 x344 -x345 x346 -x347 x348 -x349 x350 x351 -x352 -x353 x354 -x355 x356 -x357 x358 -x359 x360 -x361 x362 x363 -x364 x365 -x366 -x367 x368 x369 -x370 x371 -x372 -x373 x374 x375 -x376 -x377 x378 -x379 x380 -x381 x382 x383 -x384 -x385 x386 -x387 x388 -x389 x390 x391 -x392 -x393 x394 x395 -x396 x397 -x398 -x399 x400 
c Exit Code: 30
c Total time: 36.369 s
#### END SOLVER DATA ####
#### BEGIN WATCHER DATA ####
Enforcing CPU limit (will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1230 seconds
Enforcing VSIZE limit: 943718400 bytes
Raw data (loadavg): 0.80 0.82 0.81 2/54 20798
Raw data (stat): 20798 (runsolver) R 20797 7876 7672 0 -1 64 5 0 0 0 0 0 0 0 19 0 1 0 657421718 1056768 100 4294967295 134512640 135381576 3221221680 3221216900 135158418 0 2147483391 1 90112 0 0 0 17 1 0 0
Raw data (statm): 258 100 215 215 0 43 0
vsize: 1032
[startup+10.0003 s]
Raw data (loadavg): 0.83 0.82 0.81 2/54 20798
Raw data (stat): 20798 (bsolo_lpr) R 20797 7876 7672 0 -1 0 3242 0 0 0 985 11 0 0 25 0 1 0 657421718 6713344 953 4294967295 134512640 134714508 3221221776 3221220160 1074153675 0 0 1 0 0 0 0 17 0 0 0
Raw data (statm): 1639 953 1111 63 0 1576 0
vsize: 6556
[startup+20.001 s]
Raw data (loadavg): 0.86 0.83 0.82 2/54 20798
Raw data (stat): 20798 (bsolo_lpr) R 20797 7876 7672 0 -1 0 3993 0 0 0 1982 14 0 0 25 0 1 0 657421718 6922240 958 4294967295 134512640 134714508 3221221776 3221217936 1074794549 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 1690 958 1111 63 0 1627 0
vsize: 6760
[startup+30.0017 s]
Raw data (loadavg): 0.88 0.83 0.82 2/54 20798
Raw data (stat): 20798 (bsolo_lpr) R 20797 7876 7672 0 -1 0 5197 0 0 0 2979 17 0 0 25 0 1 0 657421718 6922240 963 4294967295 134512640 134714508 3221221776 3221217788 1074788944 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 1690 963 1111 63 0 1627 0
vsize: 6760
[startup+36.4348 s]
Raw data (loadavg): 0.89 0.84 0.82 1/53 20798
Raw data (stat): 20798 (bsolo_lpr) R 20797 7876 7672 0 -1 0 5197 0 0 0 2979 17 0 0 25 0 1 0 657421718 6922240 963 4294967295 134512640 134714508 3221221776 3221217788 1074788944 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 1690 963 1111 63 0 1627 0
vsize: 0

Child status: 30
Real time (s): 36.4339
CPU time (s): 36.4005
CPU user time (s): 36.1895
CPU system time (s): 0.210967
CPU usage (%): 99.9083
Max. virtual memory (Kb): 6760
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
Verifier:	OK	200
#### END VERIFIER DATA ####