Trace number 1876488

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 3.1OPT3 0.081987 0.0821381

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
roussel/factor-mod-B/factor-mod-size=5-P0=29-P1=13-P2=19-B.opb
MD5SUM5fb9dc62303358c65705c93b38b065c3
Bench CategoryOPT-SMALLINT-NLC (optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark3
Best CPU time to get the best result obtained on this benchmark0.020996
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 3
Optimality of the best value was proved YES
Number of variables30
Total number of constraints5
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 constraints5
Minimum length of a constraint5
Maximum length of a constraint35
Number of terms in the objective function 5
Biggest coefficient in the objective function 16
Number of bits for the biggest coefficient in the objective function 5
Sum of the numbers in the objective function 31
Number of bits of the sum of numbers in the objective function 5
Biggest number in a constraint 512
Number of bits of the biggest number in a constraint 10
Biggest sum of numbers in a constraint 1984
Number of bits of the biggest sum of numbers11
Number of products (including duplicates)50
Sum of products size (including duplicates)100
Number of different products50
Sum of products size100

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-1876488-1245185998.opb
0.00/0.00	c File size is 3663 bytes.
0.00/0.00	c Highest Coefficient sum: 1984
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0.001 s
0.00/0.00	c Var: 80 Constr: 107 50/0/57 Lit: 445 Watch. Lit: 287
0.00/0.00	c Obj. Vars: 5 (6.25 % of total variables)
0.00/0.00	c Pre-processing Time: 0.001 s
0.00/0.00	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.00	c        0     80      107      445    4      381     606      0      0 0.00
0.00/0.00	c Switching off lower bounding mode.
0.05/0.07	c      100     80      231     3037   13      657     667    124  12500 0.01
0.05/0.07	c      252     80      416     6759   16     1068     734    309  12000 0.02
0.05/0.07	c      478     79      679    11897   17     1623     808    572  11658 0.04
0.05/0.07	o 11
0.05/0.07	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.05/0.07	c      764     77      594    10177   17     1372     616    487  10914 0.07
0.05/0.07	o 7
0.05/0.07	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.05/0.07	c      823     70      661    11496   17     1526     614    554  10828 0.08
0.05/0.07	o 5
0.05/0.08	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.05/0.08	c      825     70      665    11550   17     1538     614    558  10855 0.08
0.05/0.08	o 3
0.05/0.08	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.05/0.08	c      843     63      688    11848   17     1587     612    581  10807 0.08
0.05/0.08	v x1 x2 -x3 -x4 -x5 x6 -x7 x8 -x9 -x10 x11 -x12 x13 -x14 x15 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 x16 x17 x18 x19 -x20 -x21 -x22 -x23 -x24 -x25 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 x26 -x27 -x28 x29 -x30 
0.05/0.08	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.05/0.08	c    7      857     39     1080      702    11911    595  10712 0.08
0.05/0.08	c Objective: 3
0.05/0.08	s OPTIMUM FOUND
0.05/0.08	c Total time: 0.08 s

Verifier Data 

OK	3

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1876488-1245185998/watcher-1876488-1245185998 -o /tmp/evaluation-result-1876488-1245185998/solver-1876488-1245185998 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1876488-1245185998.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 13171
/proc/meminfo: memFree=1667688/2055920 swapFree=4192956/4192956
[pid=13171] ppid=13169 vsize=18516 CPUtime=0
/proc/13171/stat : 13171 (bsolo) R 13169 13171 12952 0 -1 4194304 261 0 0 0 0 0 0 0 18 0 1 0 71308611 18960384 244 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13171/statm: 4629 244 197 640 0 3985 0

[startup+0.0586199 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 13171
/proc/meminfo: memFree=1667688/2055920 swapFree=4192956/4192956
[pid=13171] ppid=13169 vsize=18772 CPUtime=0.05
/proc/13171/stat : 13171 (bsolo) R 13169 13171 12952 0 -1 4194304 330 0 0 0 5 0 0 0 18 0 1 0 71308611 19222528 313 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13171/statm: 4693 313 198 640 0 4049 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 18772

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

[startup+0.0586199 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 13171
/proc/meminfo: memFree=1667688/2055920 swapFree=4192956/4192956
[pid=13171] ppid=13169 vsize=18772 CPUtime=0.05
/proc/13171/stat : 13171 (bsolo) R 13169 13171 12952 0 -1 4194304 330 0 0 0 5 0 0 0 18 0 1 0 71308611 19222528 313 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13171/statm: 4693 313 198 640 0 4049 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 18772

Child status: 0
Real time (s): 0.0821381
CPU time (s): 0.081987
CPU user time (s): 0.077988
CPU system time (s): 0.003999
CPU usage (%): 99.816
Max. virtual memory (cumulated for all children) (KiB): 18772

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.077988
system time used= 0.003999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 341
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= 0

runsolver used 0.004999 second user time and 0.003999 second system time

The end

Launcher Data 

Begin job on node41 at 2009-06-16 22:59:58
IDJOB=1876488
IDBENCH=47898
IDSOLVER=699
FILE ID=node41/1876488-1245185998
PBS_JOBID= 9368285
Free space on /tmp= 65960 MiB

SOLVER NAME= bsolo 3.1
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/factor-mod-B/factor-mod-size=5-P0=29-P1=13-P2=19-B.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1876488-1245185998/watcher-1876488-1245185998 -o /tmp/evaluation-result-1876488-1245185998/solver-1876488-1245185998 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1876488-1245185998.opb

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

MD5SUM BENCH= 5fb9dc62303358c65705c93b38b065c3
RANDOM SEED=10760106

node41.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		: 3000.216
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		: 3000.216
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:       1668040 kB
Buffers:         56564 kB
Cached:         250388 kB
SwapCached:          0 kB
Active:         165272 kB
Inactive:       154576 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1668040 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            3948 kB
Writeback:           0 kB
Mapped:          22716 kB
Slab:            54012 kB
Committed_AS:    58572 kB
PageTables:       1360 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-1876488-1245185998.opb

Free space on /tmp at the end= 65960 MiB
End job on node41 at 2009-06-16 22:59:58