Trace number 2656383

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 NameAnswerobjective functionCPU timeWall clock time
bsolo 3.2 CardOPT29 0.302953 0.302752

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-LIN/submittedPB07/
aksoy/area_opers/normalized-fir04_area_opers.opb
MD5SUMe746daa468953b69c2293c7909733538
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark29
Best CPU time to get the best result obtained on this benchmark0.279957
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 29
Optimality of the best value was proved YES
Number of variables1614
Total number of constraints2783
Number of constraints which are clauses2783
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 879
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 879
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 879
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

Solver Data

0.00/0.00	c bsolo beta version 3.2 - 23/05/2010 : 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 Time Limit set to 1800
0.00/0.00	c Learning Strategy: Cardinality Constraint Learning
0.00/0.00	c Instance file HOME/instance-2656383-1276643426.opb
0.00/0.00	c File size is 83950 bytes.
0.00/0.01	c Highest Coefficient sum: 879
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.014 s
0.00/0.01	c Var: 1614 Constr: 2783 2783/0/0 Lit: 7095 Watch. Lit: 5563
0.00/0.01	c Obj. Vars: 879 (54.461 % of total variables)
0.00/0.03	c Formula reductions applied at preprocessing
0.00/0.03	c Pre-processing Time: 0.038 s
0.19/0.29	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.19/0.29	c        0   1559     2768     7068    2     5536     922      0      0 0.04
0.19/0.29	c Initial Lower Bound: 29
0.19/0.29	c Initial Path Cost: 4
0.19/0.30	o 29
0.29/0.30	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.29/0.30	c        0   1559     2769     7898    2     6343    1922      1      0 0.30
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0.29/0.30	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.29/0.30	c    1        0      1      911     2770     7898      2      0 0.30
0.29/0.30	c Objective: 29
0.29/0.30	s OPTIMUM FOUND
0.29/0.30	c Total time: 0.301 s

Verifier Data

OK	29

Watcher Data

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2656383-1276643426/watcher-2656383-1276643426 -o /tmp/evaluation-result-2656383-1276643426/solver-2656383-1276643426 -C 1800 -W 2000 -M 1800 bsolo_pb10 -t1800 -l2 HOME/instance-2656383-1276643426.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 3/106 7015
/proc/meminfo: memFree=1841928/2059040 swapFree=4140132/4192956
[pid=7015] ppid=7013 vsize=11020 CPUtime=0
/proc/7015/stat : 7015 (bsolo_pb10) R 7013 7015 6618 0 -1 4202496 353 0 0 0 0 0 0 0 23 0 1 0 39946068 11284480 271 1992294400 134512640 137138936 4292239376 18446744073709551615 136577166 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/7015/statm: 2755 272 176 642 0 2090 0

[startup+0.0892569 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 7015
/proc/meminfo: memFree=1841928/2059040 swapFree=4140132/4192956
[pid=7015] ppid=7013 vsize=11544 CPUtime=0.08
/proc/7015/stat : 7015 (bsolo_pb10) R 7013 7015 6618 0 -1 4202496 584 0 0 0 8 0 0 0 23 0 1 0 39946068 11821056 481 1992294400 134512640 137138936 4292239376 18446744073709551615 135745101 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/7015/statm: 2886 481 219 642 0 2242 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 11544

[startup+0.101258 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 7015
/proc/meminfo: memFree=1841928/2059040 swapFree=4140132/4192956
[pid=7015] ppid=7013 vsize=11544 CPUtime=0.09
/proc/7015/stat : 7015 (bsolo_pb10) R 7013 7015 6618 0 -1 4202496 592 0 0 0 9 0 0 0 23 0 1 0 39946068 11821056 489 1992294400 134512640 137138936 4292239376 18446744073709551615 135745101 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/7015/statm: 2886 489 219 642 0 2242 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11544

[startup+0.301295 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 7015
/proc/meminfo: memFree=1841928/2059040 swapFree=4140132/4192956
[pid=7015] ppid=7013 vsize=11816 CPUtime=0.29
/proc/7015/stat : 7015 (bsolo_pb10) R 7013 7015 6618 0 -1 4202496 1511 0 0 0 28 1 0 0 23 0 1 0 39946068 12099584 624 1992294400 134512640 137138936 4292239376 18446744073709551615 136382014 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/7015/statm: 2954 624 283 642 0 2310 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11816

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

Child status: 0
Real time (s): 0.302752
CPU time (s): 0.302953
CPU user time (s): 0.288956
CPU system time (s): 0.013997
CPU usage (%): 100.066
Max. virtual memory (cumulated for all children) (KiB): 11816

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.288956
system time used= 0.013997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1513
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= 1
involuntary context switches= 2

runsolver used 0.001999 second user time and 0.011998 second system time

The end

Launcher Data

Begin job on node007 at 2010-06-16 01:10:26
IDJOB=2656383
IDBENCH=25034
IDSOLVER=1162
FILE ID=node007/2656383-1276643426
PBS_JOBID= 11172398
Free space on /tmp= 62488 MiB

SOLVER NAME= bsolo 3.2 Card
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-LIN/submittedPB07/aksoy/area_opers/normalized-fir04_area_opers.opb
COMMAND LINE= bsolo_pb10 -tTIMEOUT -l2 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2656383-1276643426/watcher-2656383-1276643426 -o /tmp/evaluation-result-2656383-1276643426/solver-2656383-1276643426 -C 1800 -W 2000 -M 1800  bsolo_pb10 -t1800 -l2 HOME/instance-2656383-1276643426.opb

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

MD5SUM BENCH= e746daa468953b69c2293c7909733538
RANDOM SEED=1582675192

node007.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/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		: 3000.264
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.52
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		: 3000.264
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.44
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1842456 kB
Buffers:         25008 kB
Cached:         103828 kB
SwapCached:       6684 kB
Active:         103704 kB
Inactive:        38860 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1842456 kB
SwapTotal:     4192956 kB
SwapFree:      4140132 kB
Dirty:            4012 kB
Writeback:           0 kB
AnonPages:       11880 kB
Mapped:          13040 kB
Slab:            52264 kB
PageTables:       3968 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182488 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62484 MiB
End job on node007 at 2010-06-16 01:10:27