Trace number 433671

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, and are wall clock time (not CPU 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 NameAnswerObjective functionCPU timeWall clock time
bsolo 3.0.17OPT12940 0.510922 0.512961

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-LIN/reduced/
submittedPB07/aksoy/trarea_ac/normalized-reduced-fir04_trarea_ac.opb
MD5SUM1312c6b0204e50ac57a7790cd1d32db9
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark12940
Best CPU time to get the best result obtained on this benchmark0.510922
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 12940
Optimality of the best value was proved YES
Number of variables1945
Total number of constraints3355
Number of constraints which are clauses3355
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 constraint55
Number of terms in the objective function 1036
Biggest coefficient in the objective function 650
Number of bits for the biggest coefficient in the objective function 10
Sum of the numbers in the objective function 524770
Number of bits of the sum of numbers in the objective function 20
Biggest number in a constraint 650
Number of bits of the biggest number in a constraint 10
Biggest sum of numbers in a constraint 524770
Number of bits of the biggest sum of numbers20
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 (download as text)

0.00/0.00	c bsolo beta version 3.0.17 - 27/04/2007 : 1600 GMT
0.00/0.00	c Developed by Vasco Manquinho 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 Memory Limit set to 1800 MB
0.00/0.00	c Instance file /tmp/evaluation/433671-1177961901/instance-433671-1177961901.opb
0.00/0.00	c File size is 104441 bytes.
0.00/0.02	c Highest Coefficient sum: 524770
0.00/0.02	c Parsing was ok!!
0.00/0.02	c Total parsing time: 0.019 s
0.00/0.02	c Var: 1945 Constr: 3355 3355/0/0 Lit: 8510 Watch. Lit: 6706
0.00/0.02	c Obj. Vars: 1036 (53.2648 % of total variables)
0.00/0.05	c Formula reductions applied at preprocessing
0.00/0.05	c Pre-processing Time: 0.046 s
0.29/0.39	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.29/0.39	c        0   1927     3327     8458    2     6654    1108      0      0 0.05
0.29/0.39	c Initial Lower Bound: 12939
0.29/0.39	c Initial Path Cost: 1766
0.29/0.40	o 14121	0.396
0.39/0.41	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.39/0.41	c        0   1927     3328     9488    2     7661    3168      1      0 0.40
0.39/0.41	o 12959	0.409 * 
0.39/0.44	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.39/0.44	c        0   1927     3329    10518    3     8664    5228      2      0 0.41
0.39/0.44	o 12940	0.442 * 
0.49/0.50	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.49/0.50	c        1   1927     3332    11552    3     9671    5228      5      2 0.44
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0.49/0.50	v -x1455 -x80 -x1458 -x1460 -x1463 -x81 -x82 -x1467 -x83 -x1469 -x1471 -x1474 -x1476 -x84 -x1478 -x1481 -x85 -x86 -x1486 -x1488
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0.49/0.50	v -x1807 -x1809 -x1811 -x1813 -x1815 -x105 -x1821 -x1823 -x106 -x1826 -x1828 -x1830 -x1833 -x1836 -x1841 -x1843 -x1846 -x1850
0.49/0.50	v -x1852 -x1854 -x1856 -x1858 -x1860 -x1863 -x1866 -x107 -x1870 -x108 -x1874 -x1878 -x1881 -x1883 -x109 -x1892 -x1894 -x110
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0.49/0.51	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.49/0.51	c    3        4      1     1373     3339    11582     12      7 0.51
0.49/0.51	c Objective: 12940
0.49/0.51	s OPTIMUM FOUND
0.49/0.51	c Total time: 0.506 s

Verifier Data (download as text)

OK	12940

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node30/watcher-433671-1177961901 -o ROOT/results/node30/solver-433671-1177961901 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.17 -m1800 /tmp/evaluation/433671-1177961901/instance-433671-1177961901.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): 3600 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.64 0.89 0.89 3/77 18534
/proc/meminfo: memFree=1794344/2055920 swapFree=4157096/4192956
[pid=18534] ppid=18532 vsize=11840 CPUtime=0
/proc/18534/stat : 18534 (bsolo3.0.17) R 18532 18534 17394 0 -1 4194304 363 0 0 0 0 0 0 0 18 0 1 0 244105824 12124160 333 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18534/statm: 2960 333 279 324 0 2004 0

[startup+0.00981306 s]
/proc/loadavg: 0.64 0.89 0.89 3/77 18534
/proc/meminfo: memFree=1794344/2055920 swapFree=4157096/4192956
[pid=18534] ppid=18532 vsize=4172 CPUtime=0
/proc/18534/stat : 18534 (bsolo3.0.17) R 18532 18534 17394 0 -1 4194304 412 0 0 0 0 0 0 0 18 0 1 0 244105824 4272128 382 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134525286 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18534/statm: 1043 382 288 324 0 87 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 4172

[startup+0.102818 s]
/proc/loadavg: 0.64 0.89 0.89 3/77 18534
/proc/meminfo: memFree=1794344/2055920 swapFree=4157096/4192956
[pid=18534] ppid=18532 vsize=5232 CPUtime=0.09
/proc/18534/stat : 18534 (bsolo3.0.17) R 18532 18534 17394 0 -1 4194304 772 0 0 0 9 0 0 0 18 0 1 0 244105824 5357568 716 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 135467842 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18534/statm: 1308 716 335 324 0 378 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5232

[startup+0.30183 s]
/proc/loadavg: 0.64 0.89 0.89 3/77 18534
/proc/meminfo: memFree=1794344/2055920 swapFree=4157096/4192956
[pid=18534] ppid=18532 vsize=5484 CPUtime=0.29
/proc/18534/stat : 18534 (bsolo3.0.17) R 18532 18534 17394 0 -1 4194304 1522 0 0 0 28 1 0 0 20 0 1 0 244105824 5615616 781 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18534/statm: 1410 787 335 324 0 480 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5484

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

[startup+0.502842 s]
/proc/loadavg: 0.64 0.89 0.89 3/77 18534
/proc/meminfo: memFree=1794344/2055920 swapFree=4157096/4192956
[pid=18534] ppid=18532 vsize=8544 CPUtime=0.49
/proc/18534/stat : 18534 (bsolo3.0.17) R 18532 18534 17394 0 -1 4194304 5655 0 0 0 47 2 0 0 22 0 1 0 244105824 8749056 1198 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 135279189 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18534/statm: 2136 1198 394 324 0 1206 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 8544

Child status: 0
Real time (s): 0.512961
CPU time (s): 0.510922
CPU user time (s): 0.479927
CPU system time (s): 0.030995
CPU usage (%): 99.6025
Max. virtual memory (cumulated for all children) (KiB): 8544

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.479927
system time used= 0.030995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5732
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= 12
involuntary context switches= 10

runsolver used 0.005999 second user time and 0.002999 second system time

The end

Launcher Data (download as text)

Begin job on node30 on Mon Apr 30 19:38:21 UTC 2007

IDJOB= 433671
IDBENCH= 24958
IDSOLVER= 199
FILE ID= node30/433671-1177961901

PBS_JOBID= 4727709

Free space on /tmp= 66558 MiB

SOLVER NAME= bsolo 3.0.17
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/OPT-SMALLINT-LIN/reduced/submittedPB07/aksoy/trarea_ac/normalized-reduced-fir04_trarea_ac.opb
COMMAND LINE= bsolo3.0.17 -m1800 /tmp/evaluation/433671-1177961901/instance-433671-1177961901.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node30/watcher-433671-1177961901 -o ROOT/results/node30/solver-433671-1177961901 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.17 -m1800 /tmp/evaluation/433671-1177961901/instance-433671-1177961901.opb            

META MD5SUM SOLVER= c9b15312c639dd71a11a1e3ca1b27020
MD5SUM BENCH=  1312c6b0204e50ac57a7790cd1d32db9

RANDOM SEED= 167275683

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node30.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.218
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		: 3000.218
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:       1794688 kB
Buffers:         31440 kB
Cached:         138604 kB
SwapCached:      15324 kB
Active:          47260 kB
Inactive:       151436 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1794688 kB
SwapTotal:     4192956 kB
SwapFree:      4157096 kB
Dirty:            6848 kB
Writeback:           0 kB
Mapped:          35632 kB
Slab:            47956 kB
Committed_AS:  3669152 kB
PageTables:       1788 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66558 MiB

End job on node30 on Mon Apr 30 19:38:22 UTC 2007