Trace number 1876950

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 3.1OPT18 1.25081 1.25406

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-LIN/submittedPB07/
aksoy/area_opers/normalized-fir02_area_opers.opb
MD5SUM918383404e7b51b9b3205c84ccd5b510
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark18
Best CPU time to get the best result obtained on this benchmark0.068989
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 18
Optimality of the best value was proved YES
Number of variables1464
Total number of constraints2689
Number of constraints which are clauses2689
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint31
Number of terms in the objective function 759
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 759
Number of bits of the sum of numbers in the objective function 10
Biggest number in a constraint 2
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 759
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

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-1876950-1245185744.opb
0.00/0.00	c File size is 79160 bytes.
0.00/0.01	c Highest Coefficient sum: 759
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.009 s
0.00/0.01	c Var: 1464 Constr: 2689 2689/0/0 Lit: 6764 Watch. Lit: 5375
0.00/0.01	c Obj. Vars: 759 (51.8443 % of total variables)
0.01/0.03	c Formula reductions applied at preprocessing
0.01/0.03	c Pre-processing Time: 0.029 s
0.19/0.28	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.19/0.28	c        0   1438     2676     6741    2     5352     891      0      0 0.03
0.19/0.28	c Initial Lower Bound: 18
0.19/0.28	c Initial Path Cost: 4
0.19/0.28	o 19
1.19/1.22	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.19/1.22	c        0   1438     2677     7479    2     6077    1891      1      0 0.28
1.19/1.22	o 18
1.19/1.25	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.19/1.25	c        0   1438     2678     8217    3     6803    2891      2      0 1.23
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1.19/1.25	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
1.19/1.25	c    2        1      2     1021     2682     8222      6      0 1.25
1.19/1.25	c Objective: 18
1.19/1.25	s OPTIMUM FOUND
1.19/1.25	c Total time: 1.248 s

Verifier Data

OK	18

Watcher Data

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1876950-1245185744/watcher-1876950-1245185744 -o /tmp/evaluation-result-1876950-1245185744/solver-1876950-1245185744 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1876950-1245185744.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: 1.03 1.01 1.00 3/64 3325
/proc/meminfo: memFree=1839616/2055920 swapFree=4192812/4192956
[pid=3325] ppid=3323 vsize=10800 CPUtime=0
/proc/3325/stat : 3325 (bsolo) R 3323 3325 2685 0 -1 4194304 268 0 0 0 0 0 0 0 18 0 1 0 186175080 11059200 252 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 0 0 0
/proc/3325/statm: 2700 252 176 640 0 2036 0

[startup+0.021604 s]
/proc/loadavg: 1.03 1.01 1.00 3/64 3325
/proc/meminfo: memFree=1839616/2055920 swapFree=4192812/4192956
[pid=3325] ppid=3323 vsize=11404 CPUtime=0.01
/proc/3325/stat : 3325 (bsolo) R 3323 3325 2685 0 -1 4194304 449 0 0 0 1 0 0 0 18 0 1 0 186175080 11677696 413 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/3325/statm: 2851 413 193 640 0 2207 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 11404

[startup+0.101622 s]
/proc/loadavg: 1.03 1.01 1.00 3/64 3325
/proc/meminfo: memFree=1839616/2055920 swapFree=4192812/4192956
[pid=3325] ppid=3323 vsize=11440 CPUtime=0.09
/proc/3325/stat : 3325 (bsolo) R 3323 3325 2685 0 -1 4194304 520 0 0 0 9 0 0 0 18 0 1 0 186175080 11714560 484 1992294400 134512640 137136520 4294956256 18446744073709551615 135743055 0 0 4096 16384 0 0 0 17 0 0 0
/proc/3325/statm: 2860 484 228 640 0 2216 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11440

[startup+0.301663 s]
/proc/loadavg: 1.03 1.01 1.00 3/64 3325
/proc/meminfo: memFree=1839616/2055920 swapFree=4192812/4192956
[pid=3325] ppid=3323 vsize=13956 CPUtime=0.29
/proc/3325/stat : 3325 (bsolo) R 3323 3325 2685 0 -1 4194304 2367 0 0 0 28 1 0 0 19 0 1 0 186175080 14290944 777 1992294400 134512640 137136520 4294956256 18446744073709551615 135410675 0 0 4096 16384 0 0 0 17 0 0 0
/proc/3325/statm: 3489 779 290 640 0 2845 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 13956

[startup+0.701748 s]
/proc/loadavg: 1.03 1.01 1.00 3/64 3325
/proc/meminfo: memFree=1839616/2055920 swapFree=4192812/4192956
[pid=3325] ppid=3323 vsize=14360 CPUtime=0.69
/proc/3325/stat : 3325 (bsolo) R 3323 3325 2685 0 -1 4194304 22157 0 0 0 61 8 0 0 23 0 1 0 186175080 14704640 833 1992294400 134512640 137136520 4294956256 18446744073709551615 136698750 0 0 4096 16384 0 0 0 17 0 0 0
/proc/3325/statm: 3590 615 290 640 0 2946 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 14360

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

[startup+1.10684 s]
/proc/loadavg: 1.03 1.01 1.00 2/65 3326
/proc/meminfo: memFree=1837368/2055920 swapFree=4192812/4192956
[pid=3325] ppid=3323 vsize=13944 CPUtime=1.1
/proc/3325/stat : 3325 (bsolo) R 3323 3325 2685 0 -1 4194304 42169 0 0 0 96 14 0 0 25 0 1 0 186175080 14278656 776 1992294400 134512640 137136520 4294956256 18446744073709551615 135410675 0 0 4096 16384 0 0 0 17 0 0 0
/proc/3325/statm: 3486 776 290 640 0 2842 0
Current children cumulated CPU time (s) 1.1
Current children cumulated vsize (KiB) 13944

[startup+1.20185 s]
/proc/loadavg: 1.03 1.01 1.00 2/65 3326
/proc/meminfo: memFree=1837368/2055920 swapFree=4192812/4192956
[pid=3325] ppid=3323 vsize=11696 CPUtime=1.19
/proc/3325/stat : 3325 (bsolo) R 3323 3325 2685 0 -1 4194304 46901 0 0 0 104 15 0 0 25 0 1 0 186175080 11976704 615 1992294400 134512640 137136520 4294956256 18446744073709551615 134826744 0 0 4096 16384 0 0 0 17 0 0 0
/proc/3325/statm: 2924 615 290 640 0 2280 0
Current children cumulated CPU time (s) 1.19
Current children cumulated vsize (KiB) 11696

Child status: 0
Real time (s): 1.25406
CPU time (s): 1.25081
CPU user time (s): 1.08883
CPU system time (s): 0.161975
CPU usage (%): 99.7406
Max. virtual memory (cumulated for all children) (KiB): 14824

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.08883
system time used= 0.161975
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 48508
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= 8

runsolver used 0.004999 second user time and 0.006998 second system time

The end

Launcher Data

Begin job on node10 at 2009-06-16 22:55:44
IDJOB=1876950
IDBENCH=25042
IDSOLVER=699
FILE ID=node10/1876950-1245185744
PBS_JOBID= 9363937
Free space on /tmp= 65988 MiB

SOLVER NAME= bsolo 3.1
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-LIN/submittedPB07/aksoy/area_opers/normalized-fir02_area_opers.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1876950-1245185744/watcher-1876950-1245185744 -o /tmp/evaluation-result-1876950-1245185744/solver-1876950-1245185744 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1876950-1245185744.opb

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

MD5SUM BENCH= 918383404e7b51b9b3205c84ccd5b510
RANDOM SEED=443533647

node10.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		: 3000.263
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		: 3000.263
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:       1840096 kB
Buffers:         49440 kB
Cached:         100024 kB
SwapCached:          0 kB
Active:          49360 kB
Inactive:       113540 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1840096 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            4016 kB
Writeback:           0 kB
Mapped:          23232 kB
Slab:            38996 kB
Committed_AS:   187136 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-1876950-1245185744.opb

Free space on /tmp at the end= 65984 MiB
End job on node10 at 2009-06-16 22:55:45