Trace number 1880522

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 NameAnswerobjCPU timeWall clock time
bsolo 3.1 pbOPT200 0.008998 0.00933012

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB05/manquinho/
primes-dimacs-cnf/normalized-aim-200-1_6-yes1-1.opb
MD5SUM78b9f540528e3c301a7d8695f354656e
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark200
Best CPU time to get the best result obtained on this benchmark0.008998
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 200
Optimality of the best value was proved YES
Number of variables400
Total number of constraints520
Number of constraints which are clauses519
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint3
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 numbers9
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.00	c bsolo beta version 3.1 - 13/04/2009 : 1630 GMT
0.00/0.00	c Developed by Vasco Manquinho and José Santos IST/UTL - INESC-ID
0.00/0.00	c type "bsolo -h" for help
0.00/0.00	c Time Limit set via environment variable PBTIMEOUT to 1800
0.00/0.00	c Learning Strategy: Generic Pseudo-Boolean Learning
0.00/0.00	c Time Limit set to 1800
0.00/0.00	c Memory Limit set to 1800 MB
0.00/0.00	c Instance file HOME/instance-1880522-1245159200.opb
0.00/0.00	c File size is 17633 bytes.
0.00/0.00	c Highest Coefficient sum: 400
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0.001 s
0.00/0.00	c Var: 400 Constr: 520 520/0/0 Lit: 1359 Watch. Lit: 1040
0.00/0.00	c Obj. Vars: 400 (100 % of total variables)
0.00/0.00	c Pre-processing Time: 0.004 s
0.00/0.00	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.00	c        0    400      520     1359    2     1040     173      0      0 0.00
0.00/0.00	c Switching off lower bounding mode.
0.00/0.00	o 200
0.00/0.00	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.00	c       31      0      576     1560    2     1143     173     56   4428 0.01
0.00/0.00	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 
0.00/0.00	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.00/0.00	c    1       31     27      407      576     1560     56   4428 0.01
0.00/0.00	c Objective: 200
0.00/0.00	s OPTIMUM FOUND
0.00/0.00	c Total time: 0.007 s

Verifier Data 

OK	200

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1880522-1245159200/watcher-1880522-1245159200 -o /tmp/evaluation-result-1880522-1245159200/solver-1880522-1245159200 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1880522-1245159200.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): 2000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 929
/proc/meminfo: memFree=1756904/2055920 swapFree=4191900/4192956
[pid=929] ppid=927 vsize=10712 CPUtime=0
/proc/929/stat : 929 (bsolo) R 927 929 437 0 -1 4194304 287 0 0 0 0 0 0 0 18 0 1 0 183520994 10969088 266 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/929/statm: 2678 266 190 640 0 2034 0

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

Child status: 0
Real time (s): 0.00933012
CPU time (s): 0.008998
CPU user time (s): 0.004999
CPU system time (s): 0.003999
CPU usage (%): 96.4404
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.004999
system time used= 0.003999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 295
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= 2
involuntary context switches= 0

runsolver used 0.003999 second user time and 0.004999 second system time

The end

Launcher Data 

Begin job on node3 at 2009-06-16 15:33:20
IDJOB=1880522
IDBENCH=2178
IDSOLVER=701
FILE ID=node3/1880522-1245159200
PBS_JOBID= 9363797
Free space on /tmp= 66320 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB06//final/normalized-PB06/OPT-SMALLINT/submitted-PB05/manquinho/primes-dimacs-cnf/normalized-aim-200-1_6-yes1-1.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1880522-1245159200/watcher-1880522-1245159200 -o /tmp/evaluation-result-1880522-1245159200/solver-1880522-1245159200 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1880522-1245159200.opb

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

MD5SUM BENCH= 78b9f540528e3c301a7d8695f354656e
RANDOM SEED=975563397

node3.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		: 3000.236
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	: 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		: 3000.236
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	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1757384 kB
Buffers:         38404 kB
Cached:         188932 kB
SwapCached:        260 kB
Active:          50168 kB
Inactive:       190492 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1757384 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:            4188 kB
Writeback:           0 kB
Mapped:          21784 kB
Slab:            43876 kB
Committed_AS:   152864 kB
PageTables:       1376 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1880522-1245159200.opb

Free space on /tmp at the end= 66316 MiB
End job on node3 at 2009-06-16 15:33:20