Trace number 1879630

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 pbOPT-12 1.18882 1.18999

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
manquinho/mis/normalized-mis_50_10_4.opb
MD5SUM3e57d3cba1755ede057d969ec9fbcff0
Bench CategoryOPT-SMALLINT-NLC (optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-12
Best CPU time to get the best result obtained on this benchmark0.095985
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function -12
Optimality of the best value was proved YES
Number of variables50
Total number of constraints50
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints50
Minimum length of a constraint10
Maximum length of a constraint16
Number of terms in the objective function 50
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 50
Number of bits of the sum of numbers in the objective function 6
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 50
Number of bits of the biggest sum of numbers6
Number of products (including duplicates)614
Sum of products size (including duplicates)1228
Number of different products307
Sum of products size614

Quality of the solution as a function of time


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

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-1879630-1245246192.opb
0.00/0.00	c File size is 23993 bytes.
0.00/0.00	c Highest Coefficient sum: 50
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0.002 s
0.00/0.00	c Var: 357 Constr: 714 357/50/307 Lit: 3070 Watch. Lit: 2149
0.00/0.00	c Obj. Vars: 50 (14.0056 % of total variables)
0.00/0.00	c Pre-processing Time: 0.005 s
0.00/0.00	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.00	c        0     50      307      921    3      614     102      0      0 0.01
0.00/0.00	c Switching off lower bounding mode.
0.00/0.00	o -10
0.00/0.00	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.00	c        0     50      308      971    3      626     285      1      0 0.01
0.00/0.00	o -11
0.00/0.01	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.01	c       12     50      330     1905    5      746     302     23   2000 0.01
0.00/0.01	o -12
1.09/1.18	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.09/1.18	c       41     50      385     4233   10     1003     318     78   4100 0.01
1.09/1.18	c      142     50      576    12232   21     1979     350    269   4733 0.03
1.09/1.18	c      393     49      564    12196   21     2251     386    257   3119 0.13
1.09/1.18	c      868     48      983    33266   33     4143     425    676   2465 0.35
1.09/1.18	c     1681     44      969    33458   34     4611     468    662   1952 0.86
1.09/1.18	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 
1.09/1.18	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
1.09/1.18	c    7     2145     55     2245      737    20661    430   1807 1.19
1.09/1.18	c Objective: -12
1.09/1.18	s OPTIMUM FOUND
1.09/1.18	c Total time: 1.187 s

Verifier Data 

OK	-12

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1879630-1245246192/watcher-1879630-1245246192 -o /tmp/evaluation-result-1879630-1245246192/solver-1879630-1245246192 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1879630-1245246192.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: 1.00 0.99 0.91 3/65 15119
/proc/meminfo: memFree=1262320/2055920 swapFree=4180860/4192956
[pid=15119] ppid=15117 vsize=10708 CPUtime=0
/proc/15119/stat : 15119 (bsolo) R 15117 15119 14879 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 192217154 10964992 258 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 0 0 0
/proc/15119/statm: 2677 260 187 640 0 2033 0

[startup+0.057098 s]
/proc/loadavg: 1.00 0.99 0.91 3/65 15119
/proc/meminfo: memFree=1262320/2055920 swapFree=4180860/4192956
[pid=15119] ppid=15117 vsize=10972 CPUtime=0.05
/proc/15119/stat : 15119 (bsolo) R 15117 15119 14879 0 -1 4194304 359 0 0 0 5 0 0 0 18 0 1 0 192217154 11235328 337 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 0 0 0
/proc/15119/statm: 2743 337 197 640 0 2099 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 10972

[startup+0.102102 s]
/proc/loadavg: 1.00 0.99 0.91 3/65 15119
/proc/meminfo: memFree=1262320/2055920 swapFree=4180860/4192956
[pid=15119] ppid=15117 vsize=11236 CPUtime=0.09
/proc/15119/stat : 15119 (bsolo) R 15117 15119 14879 0 -1 4194304 400 0 0 0 9 0 0 0 18 0 1 0 192217154 11505664 378 1992294400 134512640 137136520 4294956256 18446744073709551615 134543989 0 0 4096 16384 0 0 0 17 0 0 0
/proc/15119/statm: 2809 378 197 640 0 2165 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11236

[startup+0.302125 s]
/proc/loadavg: 1.00 0.99 0.91 3/65 15119
/proc/meminfo: memFree=1262320/2055920 swapFree=4180860/4192956
[pid=15119] ppid=15117 vsize=11240 CPUtime=0.29
/proc/15119/stat : 15119 (bsolo) R 15117 15119 14879 0 -1 4194304 422 0 0 0 29 0 0 0 19 0 1 0 192217154 11509760 400 1992294400 134512640 137136520 4294956256 18446744073709551615 134600775 0 0 4096 16384 0 0 0 17 0 0 0
/proc/15119/statm: 2810 400 197 640 0 2166 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11240

[startup+0.701169 s]
/proc/loadavg: 1.00 0.99 0.91 3/65 15119
/proc/meminfo: memFree=1262320/2055920 swapFree=4180860/4192956
[pid=15119] ppid=15117 vsize=11368 CPUtime=0.69
/proc/15119/stat : 15119 (bsolo) R 15117 15119 14879 0 -1 4194304 435 0 0 0 69 0 0 0 23 0 1 0 192217154 11640832 413 1992294400 134512640 137136520 4294956256 18446744073709551615 136509151 0 0 4096 16384 0 0 0 17 0 0 0
/proc/15119/statm: 2842 413 197 640 0 2198 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 11368

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

[startup+1.10521 s]
/proc/loadavg: 1.00 0.99 0.91 2/66 15120
/proc/meminfo: memFree=1261416/2055920 swapFree=4180860/4192956
[pid=15119] ppid=15117 vsize=11368 CPUtime=1.09
/proc/15119/stat : 15119 (bsolo) R 15117 15119 14879 0 -1 4194304 447 0 0 0 109 0 0 0 25 0 1 0 192217154 11640832 425 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/15119/statm: 2842 425 197 640 0 2198 0
Current children cumulated CPU time (s) 1.09
Current children cumulated vsize (KiB) 11368

Child status: 0
Real time (s): 1.18999
CPU time (s): 1.18882
CPU user time (s): 1.18382
CPU system time (s): 0.004999
CPU usage (%): 99.9018
Max. virtual memory (cumulated for all children) (KiB): 11368

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.18382
system time used= 0.004999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 453
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= 3

runsolver used 0.002999 second user time and 0.008998 second system time

The end

Launcher Data 

Begin job on node87 at 2009-06-17 15:43:12
IDJOB=1879630
IDBENCH=48180
IDSOLVER=701
FILE ID=node87/1879630-1245246192
PBS_JOBID= 9372338
Free space on /tmp= 66468 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/manquinho/mis/normalized-mis_50_10_4.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1879630-1245246192/watcher-1879630-1245246192 -o /tmp/evaluation-result-1879630-1245246192/solver-1879630-1245246192 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1879630-1245246192.opb

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

MD5SUM BENCH= 3e57d3cba1755ede057d969ec9fbcff0
RANDOM SEED=912267507

node87.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		: 3000.235
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		: 3000.235
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1262864 kB
Buffers:         10536 kB
Cached:         720340 kB
SwapCached:       5904 kB
Active:          39232 kB
Inactive:       699976 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1262864 kB
SwapTotal:     4192956 kB
SwapFree:      4180860 kB
Dirty:            3940 kB
Writeback:           0 kB
Mapped:          13932 kB
Slab:            39716 kB
Committed_AS:   112432 kB
PageTables:       1460 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-1879630-1245246192.opb

Free space on /tmp at the end= 66464 MiB
End job on node87 at 2009-06-17 15:43:13