Trace number 452930

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 0.463929 0.466123

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/
factor-mod-B/factor-mod-size=6-P0=47-P1=17-P2=17-P3=31-B.opb
MD5SUM12f8da63a7438023e75727c225236c48
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 benchmark0.037993
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 variables54
Total number of constraints7
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 constraints7
Minimum length of a constraint6
Maximum length of a constraint48
Number of terms in the objective function 6
Biggest coefficient in the objective function 32
Number of bits for the biggest coefficient in the objective function 6
Sum of the numbers in the objective function 63
Number of bits of the sum of numbers in the objective function 6
Biggest number in a constraint 2048
Number of bits of the biggest number in a constraint 12
Biggest sum of numbers in a constraint 8064
Number of bits of the biggest sum of numbers13
Number of products (including duplicates)108
Sum of products size (including duplicates)216
Number of different products108
Sum of products size216

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/452930-1177997717/instance-452930-1177997717.opb
0.00/0.00	c File size is 2196 bytes.
0.00/0.00	c Highest Coefficient sum: 8064
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: 162 Constr: 226 108/0/118 Lit: 948 Watch. Lit: 596
0.00/0.00	c Obj. Vars: 6 (3.7037 % of total variables)
0.00/0.00	c Pre-processing Time: 0.003 s
0.00/0.00	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.00	c        0    162      226      948    4      812    1283      0      0 0.00
0.00/0.00	c Switching off LPR mode.
0.09/0.12	c      102    162      328     4271   13      998    1412    102  12750 0.01
0.09/0.12	c      253    162      479    10487   21     1283    1554    253  16866 0.01
0.09/0.12	c      478    162      704    18985   26     1747    1710    478  17703 0.03
0.09/0.12	c      816    162     1042    33059   31     2413    1882    816  15396 0.05
0.09/0.12	c     1326    162     1552    48946   31     3429    2071   1326  13128 0.10
0.09/0.12	o 39	0.117
0.09/0.13	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.13	c     1485    162     1712    54025   31     3765    1295   1486  12692 0.12
0.09/0.13	c     1585    162      975    25180   25     2301    1425    749  12579 0.13
0.09/0.13	o 13	0.135
0.09/0.16	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.16	c     1748    162     1139    32097   28     2619    1295    913  12948 0.14
0.09/0.16	c     1849    146     1240    35926   28     2826    1425   1014  12930 0.14
0.09/0.16	o 11	0.159
0.19/0.22	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.19/0.22	c     2070    146     1462    43098   29     3269    1291   1236  13018 0.16
0.19/0.22	c     2170    146      875    23596   26     2097    1421    649  12690 0.17
0.19/0.22	c     2421    146     1126    31176   27     2575    1564    900  12742 0.19
0.19/0.22	o 3	0.218
0.39/0.46	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.39/0.46	c     2754    146     1460    41935   28     3271    1291   1234  12633 0.22
0.39/0.46	c     2855    120      879    21229   24     2089    1421    653  12521 0.23
0.39/0.46	c     3107    120     1131    29597   26     2612    1564    905  12630 0.25
0.39/0.46	c     3582    120     1606    45694   28     3541    1721   1380  12142 0.29
0.39/0.46	c     4396    111     1487    38800   26     3308    1894   1261  11185 0.39
0.39/0.46	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 x37
0.39/0.46	v -x38 -x39 -x40 -x41 -x42 x31 -x32 -x33 -x34 -x35 -x36 x43 -x44 -x45 -x46 -x47 -x48 -x49 -x50 -x51 -x52 -x53 -x54
0.39/0.46	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.39/0.46	c   17     4891    107     6010     1982    51404   1756  10609 0.46
0.39/0.46	c Objective: 3
0.39/0.46	s OPTIMUM FOUND
0.39/0.46	c Total time: 0.461 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/node41/watcher-452930-1177997717 -o ROOT/results/node41/solver-452930-1177997717 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.17 -m1800 /tmp/evaluation/452930-1177997717/instance-452930-1177997717.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: 0.95 0.97 0.97 3/77 29364
/proc/meminfo: memFree=1832616/2055920 swapFree=4169228/4192956
[pid=29364] ppid=29362 vsize=3928 CPUtime=0
/proc/29364/stat : 29364 (bsolo3.0.17) R 29362 29364 27720 0 -1 4194304 376 0 0 0 0 0 0 0 18 0 1 0 247683589 4022272 346 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/29364/statm: 982 347 290 324 0 51 0

[startup+0.0200711 s]
/proc/loadavg: 0.95 0.97 0.97 3/77 29364
/proc/meminfo: memFree=1832616/2055920 swapFree=4169228/4192956
[pid=29364] ppid=29362 vsize=4184 CPUtime=0.01
/proc/29364/stat : 29364 (bsolo3.0.17) R 29362 29364 27720 0 -1 4194304 450 0 0 0 1 0 0 0 18 0 1 0 247683589 4284416 419 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/29364/statm: 1046 420 310 324 0 116 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 4184

[startup+0.101078 s]
/proc/loadavg: 0.95 0.97 0.97 3/77 29364
/proc/meminfo: memFree=1832616/2055920 swapFree=4169228/4192956
[pid=29364] ppid=29362 vsize=4704 CPUtime=0.09
/proc/29364/stat : 29364 (bsolo3.0.17) R 29362 29364 27720 0 -1 4194304 594 0 0 0 9 0 0 0 18 0 1 0 247683589 4816896 563 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 2397819 0 0 4096 16384 0 0 0 17 1 0 0
/proc/29364/statm: 1176 563 310 324 0 246 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4704

[startup+0.301095 s]
/proc/loadavg: 0.95 0.97 0.97 3/77 29364
/proc/meminfo: memFree=1832616/2055920 swapFree=4169228/4192956
[pid=29364] ppid=29362 vsize=4836 CPUtime=0.29
/proc/29364/stat : 29364 (bsolo3.0.17) R 29362 29364 27720 0 -1 4194304 623 0 0 0 29 0 0 0 19 0 1 0 247683589 4952064 592 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134551096 0 0 4096 16384 0 0 0 17 1 0 0
/proc/29364/statm: 1209 592 311 324 0 279 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4836

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

[startup+0.401103 s]
/proc/loadavg: 0.95 0.97 0.97 3/77 29364
/proc/meminfo: memFree=1832616/2055920 swapFree=4169228/4192956
[pid=29364] ppid=29362 vsize=4972 CPUtime=0.39
/proc/29364/stat : 29364 (bsolo3.0.17) R 29362 29364 27720 0 -1 4194304 648 0 0 0 39 0 0 0 19 0 1 0 247683589 5091328 617 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134551039 0 0 4096 16384 0 0 0 17 1 0 0
/proc/29364/statm: 1243 617 311 324 0 313 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 4972

Child status: 0
Real time (s): 0.466123
CPU time (s): 0.463929
CPU user time (s): 0.45993
CPU system time (s): 0.003999
CPU usage (%): 99.5293
Max. virtual memory (cumulated for all children) (KiB): 4972

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.45993
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= 652
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= 0

runsolver used 0.002999 second user time and 0.006998 second system time

The end

Launcher Data (download as text)

Begin job on node41 on Tue May  1 05:35:17 UTC 2007

IDJOB= 452930
IDBENCH= 47997
IDSOLVER= 199
FILE ID= node41/452930-1177997717

PBS_JOBID= 4728225

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=6-P0=47-P1=17-P2=17-P3=31-B.opb
COMMAND LINE= bsolo3.0.17 -m1800 /tmp/evaluation/452930-1177997717/instance-452930-1177997717.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node41/watcher-452930-1177997717 -o ROOT/results/node41/solver-452930-1177997717 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.17 -m1800 /tmp/evaluation/452930-1177997717/instance-452930-1177997717.opb            

META MD5SUM SOLVER= c9b15312c639dd71a11a1e3ca1b27020
MD5SUM BENCH=  12f8da63a7438023e75727c225236c48

RANDOM SEED= 35693152

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node41.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:       1833024 kB
Buffers:         26488 kB
Cached:         108372 kB
SwapCached:       2432 kB
Active:          44968 kB
Inactive:       113260 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1833024 kB
SwapTotal:     4192956 kB
SwapFree:      4169228 kB
Dirty:            6704 kB
Writeback:           0 kB
Mapped:          30872 kB
Slab:            49940 kB
Committed_AS:  3643296 kB
PageTables:       2012 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 node41 on Tue May  1 05:35:18 UTC 2007