Trace number 452951

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 3.0.17OPT3 0.827873 0.831236

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
roussel/factor-mod-B/factor-mod-size=7-P0=23-P1=29-P2=43-B.opb
MD5SUM6b89f4f008f41d9515b4e0d45a9d302b
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 benchmark0.038993
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 variables42
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 constraint7
Maximum length of a constraint63
Number of terms in the objective function 7
Biggest coefficient in the objective function 64
Number of bits for the biggest coefficient in the objective function 7
Sum of the numbers in the objective function 127
Number of bits of the sum of numbers in the objective function 7
Biggest number in a constraint 8192
Number of bits of the biggest number in a constraint 14
Biggest sum of numbers in a constraint 32512
Number of bits of the biggest sum of numbers15
Number of products (including duplicates)98
Sum of products size (including duplicates)196
Number of different products98
Sum of products size196

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/452951-1178001359/instance-452951-1178001359.opb
0.00/0.00	c File size is 1934 bytes.
0.00/0.00	c Highest Coefficient sum: 32512
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: 140 Constr: 203 98/0/105 Lit: 847 Watch. Lit: 528
0.00/0.00	c Obj. Vars: 7 (5 % of total variables)
0.00/0.00	c Pre-processing Time: 0.002 s
0.00/0.00	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.00	c        0    140      203      847    4      727    1138      0      0 0.00
0.00/0.00	c Switching off LPR mode.
0.39/0.40	c      106    140      309     5647   18      929    1252    106  11777 0.01
0.39/0.40	c      257    140      460    12871   27     1215    1378    257  15117 0.02
0.39/0.40	c      483    140      686    23374   34     1657    1516    483  14636 0.03
0.39/0.40	c      823    140     1026    39158   38     2348    1668    823  13491 0.06
0.39/0.40	c     1331    140     1534    62397   40     3373    1835   1331  11675 0.11
0.39/0.40	c     2094    140     1336    49798   37     2967    2019   1133   8872 0.24
0.39/0.40	c     3241    140     1441    55735   38     3195    2221   1238   8331 0.39
0.39/0.40	o 15	0.403
0.39/0.42	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.39/0.42	c     3372    140     1573    62064   39     3473    1152   1370   8367 0.40
0.39/0.42	c     3473    140      881    32275   36     2052    1268    678   8450 0.41
0.39/0.42	o 5	0.417
0.79/0.82	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.79/0.82	c     3532    140      941    34908   37     2191    1152    738   8470 0.42
0.79/0.82	c     3633    124     1042    39410   37     2369    1268    839   8508 0.43
0.79/0.82	c     3884    115     1293    50292   38     2870    1395   1090   8611 0.45
0.79/0.82	c     4360    115     1010    36329   35     2308    1535    807   8650 0.50
0.79/0.82	c     5174    115      992    34748   35     2271    1689    789   8580 0.60
0.79/0.82	c     6495    104     1389    53480   38     3060    1858   1186   8741 0.74
0.79/0.82	o 3	0.817
0.79/0.82	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.79/0.82	c     7077    104     1972    77692   39     4252    1144   1769   8662 0.82
0.79/0.82	v x1 x2 -x3 -x4 -x5 -x6 -x7 x8 x9 -x10 -x11 x12 -x13 x14 x15 -x16 -x17 -x18 x19 -x20 -x21 x22 -x23 -x24 x25 x26 x27 x28 x29 -x30 -x31
0.79/0.82	v -x32 -x33 -x34 -x35 -x36 -x37 -x38 -x39 x40 -x41 -x42
0.79/0.82	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.79/0.82	c   16     7142     69     7798      846    24489    643   8656 0.82
0.79/0.82	c Objective: 3
0.79/0.82	s OPTIMUM FOUND
0.79/0.82	c Total time: 0.825 s

Verifier Data (download as text)

OK	3

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node50/watcher-452951-1178001359 -o ROOT/results/node50/solver-452951-1178001359 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.17 -m1800 /tmp/evaluation/452951-1178001359/instance-452951-1178001359.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: 0.94 1.01 0.99 3/64 27001
/proc/meminfo: memFree=1854600/2055920 swapFree=4183752/4192956
[pid=27001] ppid=26999 vsize=11740 CPUtime=0
/proc/27001/stat : 27001 (bsolo3.0.17) R 26999 27001 25981 0 -1 4194304 374 0 0 0 0 0 0 0 18 0 1 0 154981107 12021760 344 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/27001/statm: 2935 345 290 324 0 2004 0

[startup+0.080736 s]
/proc/loadavg: 0.94 1.01 0.99 3/64 27001
/proc/meminfo: memFree=1854600/2055920 swapFree=4183752/4192956
[pid=27001] ppid=26999 vsize=4700 CPUtime=0.07
/proc/27001/stat : 27001 (bsolo3.0.17) R 26999 27001 25981 0 -1 4194304 583 0 0 0 7 0 0 0 18 0 1 0 154981107 4812800 552 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134551383 0 0 4096 16384 0 0 0 17 1 0 0
/proc/27001/statm: 1175 552 310 324 0 245 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 4700

[startup+0.101736 s]
/proc/loadavg: 0.94 1.01 0.99 3/64 27001
/proc/meminfo: memFree=1854600/2055920 swapFree=4183752/4192956
[pid=27001] ppid=26999 vsize=4828 CPUtime=0.09
/proc/27001/stat : 27001 (bsolo3.0.17) R 26999 27001 25981 0 -1 4194304 615 0 0 0 9 0 0 0 18 0 1 0 154981107 4943872 584 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134550779 0 0 4096 16384 0 0 0 17 1 0 0
/proc/27001/statm: 1207 584 310 324 0 277 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4828

[startup+0.301754 s]
/proc/loadavg: 0.94 1.01 0.99 3/64 27001
/proc/meminfo: memFree=1854600/2055920 swapFree=4183752/4192956
[pid=27001] ppid=26999 vsize=5344 CPUtime=0.29
/proc/27001/stat : 27001 (bsolo3.0.17) R 26999 27001 25981 0 -1 4194304 734 0 0 0 29 0 0 0 19 0 1 0 154981107 5472256 703 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134550896 0 0 4096 16384 0 0 0 17 1 0 0
/proc/27001/statm: 1336 703 310 324 0 406 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5344

[startup+0.701789 s]
/proc/loadavg: 0.94 1.01 0.99 3/64 27001
/proc/meminfo: memFree=1854600/2055920 swapFree=4183752/4192956
[pid=27001] ppid=26999 vsize=5344 CPUtime=0.69
/proc/27001/stat : 27001 (bsolo3.0.17) R 26999 27001 25981 0 -1 4194304 754 0 0 0 69 0 0 0 22 0 1 0 154981107 5472256 723 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 8035441 0 0 4096 16384 0 0 0 17 1 0 0
/proc/27001/statm: 1336 723 311 324 0 406 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5344

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

[startup+0.801798 s]
/proc/loadavg: 0.94 1.01 0.99 3/64 27001
/proc/meminfo: memFree=1854600/2055920 swapFree=4183752/4192956
[pid=27001] ppid=26999 vsize=5344 CPUtime=0.79
/proc/27001/stat : 27001 (bsolo3.0.17) R 26999 27001 25981 0 -1 4194304 754 0 0 0 79 0 0 0 23 0 1 0 154981107 5472256 723 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134551824 0 0 4096 16384 0 0 0 17 1 0 0
/proc/27001/statm: 1336 723 311 324 0 406 0
Current children cumulated CPU time (s) 0.79
Current children cumulated vsize (KiB) 5344

Child status: 0
Real time (s): 0.831236
CPU time (s): 0.827873
CPU user time (s): 0.823874
CPU system time (s): 0.003999
CPU usage (%): 99.5954
Max. virtual memory (cumulated for all children) (KiB): 5344

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.823874
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= 758
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= 1

runsolver used 0.002999 second user time and 0.005999 second system time

The end

Launcher Data (download as text)

Begin job on node50 on Tue May  1 06:35:59 UTC 2007

IDJOB= 452951
IDBENCH= 48018
IDSOLVER= 199
FILE ID= node50/452951-1178001359

PBS_JOBID= 4728224

Free space on /tmp= 66558 MiB

SOLVER NAME= bsolo 3.0.17
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/factor-mod-B/factor-mod-size=7-P0=23-P1=29-P2=43-B.opb
COMMAND LINE= bsolo3.0.17 -m1800 /tmp/evaluation/452951-1178001359/instance-452951-1178001359.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node50/watcher-452951-1178001359 -o ROOT/results/node50/solver-452951-1178001359 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.17 -m1800 /tmp/evaluation/452951-1178001359/instance-452951-1178001359.opb            

META MD5SUM SOLVER= c9b15312c639dd71a11a1e3ca1b27020
MD5SUM BENCH=  6b89f4f008f41d9515b4e0d45a9d302b

RANDOM SEED= 711980253

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node50.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		: 3000.232
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:       1855008 kB
Buffers:         31016 kB
Cached:         102668 kB
SwapCached:       3132 kB
Active:          85556 kB
Inactive:        58448 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1855008 kB
SwapTotal:     4192956 kB
SwapFree:      4183752 kB
Dirty:            6588 kB
Writeback:           0 kB
Mapped:          15980 kB
Slab:            42944 kB
Committed_AS:  3495240 kB
PageTables:       1460 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 node50 on Tue May  1 06:36:00 UTC 2007