Trace number 1876780

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 3.1OPT-13 103.465 103.536

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
manquinho/mis/normalized-mis_100_25_5.opb
MD5SUM2b42cb52a84d6f68fde6feb3c17d922a
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-13
Best CPU time to get the best result obtained on this benchmark6.64699
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function -13
Optimality of the best value was proved YES
Number of variables100
Total number of constraints100
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 constraints100
Minimum length of a constraint25
Maximum length of a constraint39
Number of terms in the objective function 100
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 100
Number of bits of the sum of numbers in the objective function 7
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 100
Number of bits of the biggest sum of numbers7
Number of products (including duplicates)3062
Sum of products size (including duplicates)6124
Number of different products1531
Sum of products size3062

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: Cardinality Constraint 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-1876780-1245201035.opb
0.00/0.00	c File size is 121338 bytes.
0.00/0.01	c Highest Coefficient sum: 100
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.016 s
0.00/0.01	c Var: 1631 Constr: 3262 1631/100/1531 Lit: 15310 Watch. Lit: 10717
0.00/0.01	c Obj. Vars: 100 (6.13121 % of total variables)
0.00/0.03	c Pre-processing Time: 0.033 s
0.00/0.03	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.03	c        0    100     1531     4593    3     3062     510      0      0 0.03
0.00/0.03	c Switching off lower bounding mode.
0.00/0.03	o -11
0.00/0.03	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.03	c        0    100     1532     4693    3     3075     910      1      0 0.03
0.00/0.03	o -12
0.09/0.18	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.18	c        2    100     1535     4967    3     3093     943      4     58 0.03
0.09/0.18	c      102    100     1635    13347    8     3293    1038    104   2040 0.05
0.09/0.18	c      352    100     1885    34235   18     3793    1142    354   3705 0.10
0.09/0.18	o -13
103.42/103.53	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
103.42/103.53	c      763    100     2297    68821   29     4630     976    766   4238 0.18
103.42/103.53	c      863    100     2397    77079   32     4830    1074    866   4251 0.20
103.42/103.53	c     1114    100     2648    97891   36     5332    1182   1117   4284 0.26
103.42/103.53	c     1589    100     3123   137114   43     6282    1301   1592   4138 0.38
103.42/103.53	c     2402    100     3936   204059   51     7908    1432   2405   4023 0.60
103.42/103.53	c     3723    100     2939   120414   40     5891    1576   1408   3862 0.96
103.42/103.53	c     5804    100     2621    94278   35     5255    1734   1090   3545 1.64
103.42/103.53	c     9027    100     3366   155378   46     6745    1908   1835   3365 2.68
103.42/103.53	c    13963    100     3179   139419   43     6371    2099   1648   3223 4.33
103.42/103.53	c    21469     99     2725   101364   37     5462    2309   1194   3055 7.03
103.42/103.53	c    32830     99     3083   129463   41     6178    2540   1552   2876 11.41
103.42/103.53	c    49974     98     2985   119534   40     5981    2795   1454   2630 19.00
103.42/103.53	c    75795     97     4907   269151   54     9835    3075   3376   2472 30.65
103.42/103.53	c   114628     94     3083   121206   39     6173    3383   1552   2346 48.85
103.42/103.53	c   172981     87     5636   286408   50    11272    3722   4105   2269 76.21
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103.42/103.53	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
103.42/103.53	c   19   235820   4467   240639     6478   179364   4947   2279 103.46
103.42/103.53	c Objective: -13
103.42/103.53	s OPTIMUM FOUND
103.42/103.53	c Total time: 103.462 s

Verifier Data 

OK	-13

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1876780-1245201035/watcher-1876780-1245201035 -o /tmp/evaluation-result-1876780-1245201035/solver-1876780-1245201035 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1876780-1245201035.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 1.00 1.00 3/64 5323
/proc/meminfo: memFree=1839264/2055920 swapFree=4181384/4192956
[pid=5323] ppid=5321 vsize=10832 CPUtime=0
/proc/5323/stat : 5323 (bsolo) R 5321 5323 5232 0 -1 4194304 267 0 0 0 0 0 0 0 18 0 1 0 187696477 11091968 251 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 0 0 0
/proc/5323/statm: 2708 251 175 640 0 2034 0

[startup+0.0727391 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 5323
/proc/meminfo: memFree=1839264/2055920 swapFree=4181384/4192956
[pid=5323] ppid=5321 vsize=11652 CPUtime=0.06
/proc/5323/stat : 5323 (bsolo) R 5321 5323 5232 0 -1 4194304 544 0 0 0 6 0 0 0 18 0 1 0 187696477 11931648 498 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/5323/statm: 2913 498 197 640 0 2269 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 11652

[startup+0.101742 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 5323
/proc/meminfo: memFree=1839264/2055920 swapFree=4181384/4192956
[pid=5323] ppid=5321 vsize=11768 CPUtime=0.09
/proc/5323/stat : 5323 (bsolo) R 5321 5323 5232 0 -1 4194304 581 0 0 0 9 0 0 0 18 0 1 0 187696477 12050432 535 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 0 0 0
/proc/5323/statm: 2942 535 197 640 0 2298 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11768

[startup+0.301769 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 5323
/proc/meminfo: memFree=1839264/2055920 swapFree=4181384/4192956
[pid=5323] ppid=5321 vsize=12696 CPUtime=0.29
/proc/5323/stat : 5323 (bsolo) R 5321 5323 5232 0 -1 4194304 798 0 0 0 29 0 0 0 19 0 1 0 187696477 13000704 752 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 0 0 0
/proc/5323/statm: 3174 752 198 640 0 2530 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12696

[startup+0.701827 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 5323
/proc/meminfo: memFree=1839264/2055920 swapFree=4181384/4192956
[pid=5323] ppid=5321 vsize=14340 CPUtime=0.69
/proc/5323/stat : 5323 (bsolo) R 5321 5323 5232 0 -1 4194304 1227 0 0 0 69 0 0 0 23 0 1 0 187696477 14684160 1181 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/5323/statm: 3585 1181 198 640 0 2941 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 14340

[startup+1.50194 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 5324
/proc/meminfo: memFree=1835032/2055920 swapFree=4181384/4192956
[pid=5323] ppid=5321 vsize=14712 CPUtime=1.49
/proc/5323/stat : 5323 (bsolo) R 5321 5323 5232 0 -1 4194304 1301 0 0 0 148 1 0 0 25 0 1 0 187696477 15065088 1255 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/5323/statm: 3678 1255 198 640 0 3034 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14712

[startup+3.10117 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 5324
/proc/meminfo: memFree=1834776/2055920 swapFree=4181384/4192956
[pid=5323] ppid=5321 vsize=15056 CPUtime=3.09
/proc/5323/stat : 5323 (bsolo) R 5321 5323 5232 0 -1 4194304 1384 0 0 0 308 1 0 0 25 0 1 0 187696477 15417344 1338 1992294400 134512640 137136520 4294956256 18446744073709551615 134544518 0 0 4096 16384 0 0 0 17 0 0 0
/proc/5323/statm: 3764 1338 198 640 0 3120 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 15056

[startup+6.30162 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 5324
/proc/meminfo: memFree=1834136/2055920 swapFree=4181384/4192956
[pid=5323] ppid=5321 vsize=15404 CPUtime=6.29
/proc/5323/stat : 5323 (bsolo) R 5321 5323 5232 0 -1 4194304 1486 0 0 0 627 2 0 0 25 0 1 0 187696477 15773696 1440 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/5323/statm: 3851 1440 198 640 0 3207 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 15404

[startup+12.7015 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 5324
/proc/meminfo: memFree=1833816/2055920 swapFree=4181384/4192956
[pid=5323] ppid=5321 vsize=15864 CPUtime=12.68
/proc/5323/stat : 5323 (bsolo) R 5321 5323 5232 0 -1 4194304 1596 0 0 0 1264 4 0 0 25 0 1 0 187696477 16244736 1550 1992294400 134512640 137136520 4294956256 18446744073709551615 136509133 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5323/statm: 3966 1550 198 640 0 3322 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 15864

[startup+25.5013 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 5324
/proc/meminfo: memFree=1833496/2055920 swapFree=4181384/4192956
[pid=5323] ppid=5321 vsize=16092 CPUtime=25.46
/proc/5323/stat : 5323 (bsolo) R 5321 5323 5232 0 -1 4194304 1652 0 0 0 2539 7 0 0 25 0 1 0 187696477 16478208 1606 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/5323/statm: 4023 1606 198 640 0 3379 0
Current children cumulated CPU time (s) 25.46
Current children cumulated vsize (KiB) 16092

[startup+51.102 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 5324
/proc/meminfo: memFree=1833048/2055920 swapFree=4181384/4192956
[pid=5323] ppid=5321 vsize=16560 CPUtime=51.05
/proc/5323/stat : 5323 (bsolo) R 5321 5323 5232 0 -1 4194304 1761 0 0 0 5093 12 0 0 25 0 1 0 187696477 16957440 1715 1992294400 134512640 137136520 4294956256 18446744073709551615 134544140 0 0 4096 16384 0 0 0 17 0 0 0
/proc/5323/statm: 4140 1715 198 640 0 3496 0
Current children cumulated CPU time (s) 51.05
Current children cumulated vsize (KiB) 16560

[startup+102.305 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 5324
/proc/meminfo: memFree=1832984/2055920 swapFree=4181384/4192956
[pid=5323] ppid=5321 vsize=16504 CPUtime=102.22
/proc/5323/stat : 5323 (bsolo) R 5321 5323 5232 0 -1 4194304 1762 0 0 0 10200 22 0 0 25 0 1 0 187696477 16900096 1716 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/5323/statm: 4126 1716 198 640 0 3482 0
Current children cumulated CPU time (s) 102.22
Current children cumulated vsize (KiB) 16504

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

[startup+103.101 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 5324
/proc/meminfo: memFree=1832984/2055920 swapFree=4181384/4192956
[pid=5323] ppid=5321 vsize=16504 CPUtime=103.02
/proc/5323/stat : 5323 (bsolo) R 5321 5323 5232 0 -1 4194304 1762 0 0 0 10279 23 0 0 25 0 1 0 187696477 16900096 1716 1992294400 134512640 137136520 4294956256 18446744073709551615 134543865 0 0 4096 16384 0 0 0 17 0 0 0
/proc/5323/statm: 4126 1716 198 640 0 3482 0
Current children cumulated CPU time (s) 103.02
Current children cumulated vsize (KiB) 16504

[startup+103.501 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 5324
/proc/meminfo: memFree=1832984/2055920 swapFree=4181384/4192956
[pid=5323] ppid=5321 vsize=16504 CPUtime=103.42
/proc/5323/stat : 5323 (bsolo) R 5321 5323 5232 0 -1 4194304 1762 0 0 0 10319 23 0 0 25 0 1 0 187696477 16900096 1716 1992294400 134512640 137136520 4294956256 18446744073709551615 134543927 0 0 4096 16384 0 0 0 17 0 0 0
/proc/5323/statm: 4126 1716 198 640 0 3482 0
Current children cumulated CPU time (s) 103.42
Current children cumulated vsize (KiB) 16504

Child status: 0
Real time (s): 103.536
CPU time (s): 103.465
CPU user time (s): 103.23
CPU system time (s): 0.234964
CPU usage (%): 99.9322
Max. virtual memory (cumulated for all children) (KiB): 16560

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 103.23
system time used= 0.234964
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1764
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= 5
involuntary context switches= 401

runsolver used 0.087986 second user time and 0.296954 second system time

The end

Launcher Data 

Begin job on node49 at 2009-06-17 03:10:36
IDJOB=1876780
IDBENCH=48190
IDSOLVER=699
FILE ID=node49/1876780-1245201035
PBS_JOBID= 9368346
Free space on /tmp= 66028 MiB

SOLVER NAME= bsolo 3.1
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/manquinho/mis/normalized-mis_100_25_5.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1876780-1245201035/watcher-1876780-1245201035 -o /tmp/evaluation-result-1876780-1245201035/solver-1876780-1245201035 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1876780-1245201035.opb

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

MD5SUM BENCH= 2b42cb52a84d6f68fde6feb3c17d922a
RANDOM SEED=489410245

node49.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		: 3000.232
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		: 3000.232
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:       1839880 kB
Buffers:         55236 kB
Cached:          92776 kB
SwapCached:       4580 kB
Active:          53660 kB
Inactive:       102436 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1839880 kB
SwapTotal:     4192956 kB
SwapFree:      4181384 kB
Dirty:            3972 kB
Writeback:           0 kB
Mapped:          13812 kB
Slab:            45772 kB
Committed_AS:   182072 kB
PageTables:       1388 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1876780-1245201035.opb

Free space on /tmp at the end= 66024 MiB
End job on node49 at 2009-06-17 03:12:19