Trace number 452819

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 1.53677 1.54012

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/
factor-mod-B/factor-mod-size=9-P0=71-P1=439-B.opb
MD5SUM2194c44e638e13eefe0fb39d44671c6b
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 benchmark0.032994
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 variables27
Total number of constraints3
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 constraints3
Minimum length of a constraint9
Maximum length of a constraint90
Number of terms in the objective function 9
Biggest coefficient in the objective function 256
Number of bits for the biggest coefficient in the objective function 9
Sum of the numbers in the objective function 511
Number of bits of the sum of numbers in the objective function 9
Biggest number in a constraint 131072
Number of bits of the biggest number in a constraint 18
Biggest sum of numbers in a constraint 523202
Number of bits of the biggest sum of numbers19
Number of products (including duplicates)81
Sum of products size (including duplicates)162
Number of different products81
Sum of products size162

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/452819-1177981168/instance-452819-1177981168.opb
0.00/0.00	c File size is 1586 bytes.
0.00/0.00	c Highest Coefficient sum: 523202
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: 108 Constr: 166 81/0/85 Lit: 684 Watch. Lit: 425
0.00/0.00	c Obj. Vars: 9 (8.33333 % 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    108      166      684    4      589     908      0      0 0.00
0.00/0.00	c Switching off LPR mode.
1.49/1.51	c      102    108      268     7857   29      782     999    102   9272 0.01
1.49/1.51	c      252    108      418    17550   41     1068    1099    252  10080 0.03
1.49/1.51	c      477    108      643    33163   51     1534    1209    477   9000 0.05
1.49/1.51	c      815    108      981    57222   58     2211    1330    815   8232 0.10
1.49/1.51	c     1323    108     1489    95962   64     3217    1464   1323   7922 0.17
1.49/1.51	c     2088    108     1444    96601   66     3142    1611   1278   7352 0.28
1.49/1.51	c     3236    108     1720   120574   70     3684    1773   1554   6989 0.46
1.49/1.51	c     4957    108     1520   101802   66     3282    1951   1354   6600 0.75
1.49/1.51	c     7541    108     2001   139224   69     4248    2147   1835   6305 1.20
1.49/1.51	o 65	1.512
1.49/1.53	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.49/1.53	c     9244    108     1419    91391   64     3093     926   1253   6113 1.51
1.49/1.53	c     9344     86      730    40715   55     1715    1019    564   6123 1.53
1.49/1.53	o 33	1.529
1.49/1.53	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.49/1.53	c     9385     86      772    43026   55     1804     922    606   6133 1.53
1.49/1.53	o 3	1.533
1.49/1.53	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.49/1.53	c     9419     86      807    44766   55     1879     922    641   6140 1.53
1.49/1.53	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
1.49/1.53	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
1.49/1.53	c   13     9423     77     9968      811    44777    645   6142 1.53
1.49/1.53	c Objective: 3
1.49/1.53	s OPTIMUM FOUND
1.49/1.53	c Total time: 1.534 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/node30/watcher-452819-1177981168 -o ROOT/results/node30/solver-452819-1177981168 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.17 -m1800 /tmp/evaluation/452819-1177981168/instance-452819-1177981168.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: 0.74 0.95 0.86 2/77 29304
/proc/meminfo: memFree=1778824/2055920 swapFree=4157096/4192956
[pid=29304] ppid=29302 vsize=19552 CPUtime=0
/proc/29304/stat : 29304 (bsolo3.0.17) R 29302 29304 20002 0 -1 4194304 370 0 0 0 0 0 0 0 18 0 1 0 246032502 20021248 340 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 7452283 0 0 4096 16384 0 0 0 17 1 0 0
/proc/29304/statm: 4888 341 288 324 0 3957 0

[startup+0.091061 s]
/proc/loadavg: 0.74 0.95 0.86 2/77 29304
/proc/meminfo: memFree=1778824/2055920 swapFree=4157096/4192956
[pid=29304] ppid=29302 vsize=4696 CPUtime=0.08
/proc/29304/stat : 29304 (bsolo3.0.17) R 29302 29304 20002 0 -1 4194304 585 0 0 0 8 0 0 0 18 0 1 0 246032502 4808704 554 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 7452283 0 0 4096 16384 0 0 0 17 1 0 0
/proc/29304/statm: 1174 555 309 324 0 244 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 4696

[startup+0.101073 s]
/proc/loadavg: 0.74 0.95 0.86 2/77 29304
/proc/meminfo: memFree=1778824/2055920 swapFree=4157096/4192956
[pid=29304] ppid=29302 vsize=4828 CPUtime=0.09
/proc/29304/stat : 29304 (bsolo3.0.17) R 29302 29304 20002 0 -1 4194304 604 0 0 0 9 0 0 0 18 0 1 0 246032502 4943872 573 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 7452283 0 0 4096 16384 0 0 0 17 1 0 0
/proc/29304/statm: 1207 573 309 324 0 277 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4828

[startup+0.301076 s]
/proc/loadavg: 0.74 0.95 0.86 2/77 29304
/proc/meminfo: memFree=1778824/2055920 swapFree=4157096/4192956
[pid=29304] ppid=29302 vsize=5600 CPUtime=0.29
/proc/29304/stat : 29304 (bsolo3.0.17) R 29302 29304 20002 0 -1 4194304 802 0 0 0 29 0 0 0 19 0 1 0 246032502 5734400 771 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 7448401 0 0 4096 16384 0 0 0 17 1 0 0
/proc/29304/statm: 1400 771 309 324 0 470 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5600

[startup+0.701098 s]
/proc/loadavg: 0.74 0.95 0.86 2/77 29304
/proc/meminfo: memFree=1778824/2055920 swapFree=4157096/4192956
[pid=29304] ppid=29302 vsize=5988 CPUtime=0.69
/proc/29304/stat : 29304 (bsolo3.0.17) R 29302 29304 20002 0 -1 4194304 913 0 0 0 69 0 0 0 22 0 1 0 246032502 6131712 882 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134551096 0 0 4096 16384 0 0 0 17 1 0 0
/proc/29304/statm: 1497 882 309 324 0 567 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5988

[startup+1.50215 s]
/proc/loadavg: 0.76 0.95 0.86 2/78 29305
/proc/meminfo: memFree=1776576/2055920 swapFree=4157096/4192956
[pid=29304] ppid=29302 vsize=6372 CPUtime=1.49
/proc/29304/stat : 29304 (bsolo3.0.17) R 29302 29304 20002 0 -1 4194304 997 0 0 0 149 0 0 0 25 0 1 0 246032502 6524928 966 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134551048 0 0 4096 16384 0 0 0 17 1 0 0
/proc/29304/statm: 1593 966 309 324 0 663 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6372

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

Child status: 0
Real time (s): 1.54012
CPU time (s): 1.53677
CPU user time (s): 1.53077
CPU system time (s): 0.005999
CPU usage (%): 99.7822
Max. virtual memory (cumulated for all children) (KiB): 6372

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.53077
system time used= 0.005999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1002
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= 26

runsolver used 0.004999 second user time and 0.008998 second system time

The end

Launcher Data (download as text)

Begin job on node30 on Tue May  1 00:59:28 UTC 2007

IDJOB= 452819
IDBENCH= 47886
IDSOLVER= 199
FILE ID= node30/452819-1177981168

PBS_JOBID= 4728138

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=9-P0=71-P1=439-B.opb
COMMAND LINE= bsolo3.0.17 -m1800 /tmp/evaluation/452819-1177981168/instance-452819-1177981168.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node30/watcher-452819-1177981168 -o ROOT/results/node30/solver-452819-1177981168 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.17 -m1800 /tmp/evaluation/452819-1177981168/instance-452819-1177981168.opb            

META MD5SUM SOLVER= c9b15312c639dd71a11a1e3ca1b27020
MD5SUM BENCH=  2194c44e638e13eefe0fb39d44671c6b

RANDOM SEED= 459882790

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:       1779424 kB
Buffers:         38028 kB
Cached:         152756 kB
SwapCached:      15324 kB
Active:          76284 kB
Inactive:       137612 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1779424 kB
SwapTotal:     4192956 kB
SwapFree:      4157096 kB
Dirty:            6800 kB
Writeback:           0 kB
Mapped:          30124 kB
Slab:            48116 kB
Committed_AS:  3878984 kB
PageTables:       1776 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 Tue May  1 00:59:30 UTC 2007