Trace number 453276

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 0.800877 0.803032

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
manquinho/mds/normalized-mds_50_25_1.opb
MD5SUM3c8b2b83a32c4c8e761f030b6789f3c6
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 benchmark0.38694
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 variables50
Total number of constraints50
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 constraints50
Minimum length of a constraint26
Maximum length of a constraint38
Number of terms in the objective function 50
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 50
Number of bits of the sum of numbers in the objective function 6
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 50
Number of bits of the biggest sum of numbers6
Number of products (including duplicates)1498
Sum of products size (including duplicates)2996
Number of different products1498
Sum of products size2996

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/453276-1178126913/instance-453276-1178126913.opb
0.00/0.00	c File size is 18645 bytes.
0.00/0.01	c Highest Coefficient sum: 50
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.008 s
0.00/0.01	c Var: 1548 Constr: 3046 1548/0/1498 Lit: 10536 Watch. Lit: 7590
0.00/0.01	c Obj. Vars: 50 (3.22997 % of total variables)
0.03/0.09	c Pre-processing Time: 0.087 s
0.03/0.09	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.03/0.09	c        0   1548     3046    10536    3     7590    9503      0      0 0.09
0.03/0.09	c Switching off LPR mode.
0.03/0.09	o 49	0.089
0.03/0.09	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.03/0.09	c        0   1548     3047    10586    3     7593    9537      1      0 0.09
0.03/0.09	o 48	0.09
0.03/0.09	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.03/0.09	c        0   1548     3048    10636    3     7597    9587      2      0 0.09
0.03/0.09	o 47	0.091
0.03/0.09	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.03/0.09	c        0   1548     3049    10686    3     7602    9653      3      0 0.09
0.03/0.09	o 46	0.092
0.03/0.09	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.03/0.09	c        0   1548     3050    10736    3     7608    9737      4      0 0.09
0.03/0.09	o 45	0.094
0.03/0.09	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.03/0.09	c        0   1548     3051    10786    3     7615    9837      5      0 0.09
0.03/0.09	o 44	0.095
0.03/0.10	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.03/0.10	c        0   1548     3052    10836    3     7623    9953      6      0 0.10
0.03/0.10	o 43	0.096
0.03/0.10	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.03/0.10	c        0   1548     3053    10886    3     7632   10087      7      0 0.10
0.03/0.10	o 42	0.097
0.09/0.10	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.10	c        0   1548     3054    10936    3     7642   10237      8      0 0.10
0.09/0.10	o 41	0.098
0.09/0.10	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.10	c        0   1548     3055    10986    3     7653   10403      9      0 0.10
0.09/0.10	o 33	0.1
0.09/0.10	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.10	c        1   1548     3057    11077    3     7674   10537     11     10 0.10
0.09/0.10	o 4	0.101
0.09/0.10	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.10	c        1   1548     3058    11127    3     7722   11020     12      9 0.10
0.09/0.10	o 3	0.103
0.69/0.80	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.69/0.80	c        1   1548     3059    11177    3     7771   11037     13      9 0.10
0.69/0.80	c      102   1548     3160    20975    6     7973   12141    114    803 0.13
0.69/0.80	c      353   1548     3411    44946   13     8475   13356    365   1626 0.22
0.69/0.80	c      830   1548     3888    86679   22     9429   14692    842   1781 0.47
0.69/0.80	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
0.69/0.80	v -x30 -x31 -x32 -x33 -x34 -x35 -x36 -x37 -x38 -x39 -x40 -x41 -x42 -x43 -x44 -x45 -x46 -x47 -x48 -x49 -x50
0.69/0.80	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.69/0.80	c   15     1381    266     3261     4439   118850   1393   1732 0.80
0.69/0.80	c Objective: 3
0.69/0.80	s OPTIMUM FOUND
0.69/0.80	c Total time: 0.797 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/node3/watcher-453276-1178126913 -o ROOT/results/node3/solver-453276-1178126913 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.17 -m1800 /tmp/evaluation/453276-1178126913/instance-453276-1178126913.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: 0.75 0.92 0.97 3/77 15042
/proc/meminfo: memFree=1832672/2055920 swapFree=4139076/4192956
[pid=15042] ppid=15040 vsize=3944 CPUtime=0
/proc/15042/stat : 15042 (bsolo3.0.17) R 15040 15042 14276 0 -1 4194304 375 0 0 0 0 0 0 0 18 0 1 0 288729080 4038656 345 18446744073709551615 134512640 135840783 4294956608 18446744073709551615 11359867 0 0 4096 16384 0 0 0 17 1 0 0
/proc/15042/statm: 986 345 289 324 0 51 0

[startup+0.0375909 s]
/proc/loadavg: 0.75 0.92 0.97 3/77 15042
/proc/meminfo: memFree=1832672/2055920 swapFree=4139076/4192956
[pid=15042] ppid=15040 vsize=4772 CPUtime=0.03
/proc/15042/stat : 15042 (bsolo3.0.17) R 15040 15042 14276 0 -1 4194304 579 0 0 0 3 0 0 0 18 0 1 0 288729080 4886528 544 18446744073709551615 134512640 135840783 4294956608 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/15042/statm: 1193 544 304 324 0 263 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 4772

[startup+0.101601 s]
/proc/loadavg: 0.75 0.92 0.97 3/77 15042
/proc/meminfo: memFree=1832672/2055920 swapFree=4139076/4192956
[pid=15042] ppid=15040 vsize=4904 CPUtime=0.09
/proc/15042/stat : 15042 (bsolo3.0.17) R 15040 15042 14276 0 -1 4194304 631 0 0 0 9 0 0 0 18 0 1 0 288729080 5021696 596 18446744073709551615 134512640 135840783 4294956608 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/15042/statm: 1226 596 309 324 0 296 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4904

[startup+0.301634 s]
/proc/loadavg: 0.75 0.92 0.97 3/77 15042
/proc/meminfo: memFree=1832672/2055920 swapFree=4139076/4192956
[pid=15042] ppid=15040 vsize=5552 CPUtime=0.29
/proc/15042/stat : 15042 (bsolo3.0.17) R 15040 15042 14276 0 -1 4194304 788 0 0 0 29 0 0 0 19 0 1 0 288729080 5685248 753 18446744073709551615 134512640 135840783 4294956608 18446744073709551615 11354181 0 0 4096 16384 0 0 0 17 1 0 0
/proc/15042/statm: 1388 753 310 324 0 458 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5552

[startup+0.701698 s]
/proc/loadavg: 0.75 0.92 0.97 3/77 15042
/proc/meminfo: memFree=1832672/2055920 swapFree=4139076/4192956
[pid=15042] ppid=15040 vsize=6204 CPUtime=0.69
/proc/15042/stat : 15042 (bsolo3.0.17) R 15040 15042 14276 0 -1 4194304 945 0 0 0 69 0 0 0 22 0 1 0 288729080 6352896 910 18446744073709551615 134512640 135840783 4294956608 18446744073709551615 134551052 0 0 4096 16384 0 0 0 17 1 0 0
/proc/15042/statm: 1551 910 310 324 0 621 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6204

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

[startup+0.801714 s]
/proc/loadavg: 0.75 0.92 0.97 3/77 15042
/proc/meminfo: memFree=1832672/2055920 swapFree=4139076/4192956
[pid=15042] ppid=15040 vsize=0 CPUtime=0.79
/proc/15042/stat : 15042 (bsolo3.0.17) R 15040 15042 14276 0 -1 4194308 983 0 0 0 79 0 0 0 23 0 1 0 288729080 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 16384 0 0 0 17 1 0 0
/proc/15042/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 0.79
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 0.803032
CPU time (s): 0.800877
CPU user time (s): 0.790879
CPU system time (s): 0.009998
CPU usage (%): 99.7317
Max. virtual memory (cumulated for all children) (KiB): 6204

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.790879
system time used= 0.009998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 983
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= 2

runsolver used 0.003999 second user time and 0.004999 second system time

The end

Launcher Data (download as text)

Begin job on node3 on Wed May  2 17:28:33 UTC 2007

IDJOB= 453276
IDBENCH= 48119
IDSOLVER= 199
FILE ID= node3/453276-1178126913

PBS_JOBID= 4751047

Free space on /tmp= 66558 MiB

SOLVER NAME= bsolo 3.0.17
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/manquinho/mds/normalized-mds_50_25_1.opb
COMMAND LINE= bsolo3.0.17 -m1800 /tmp/evaluation/453276-1178126913/instance-453276-1178126913.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node3/watcher-453276-1178126913 -o ROOT/results/node3/solver-453276-1178126913 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.17 -m1800 /tmp/evaluation/453276-1178126913/instance-453276-1178126913.opb            

META MD5SUM SOLVER= c9b15312c639dd71a11a1e3ca1b27020
MD5SUM BENCH=  3c8b2b83a32c4c8e761f030b6789f3c6

RANDOM SEED= 318537288

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node3.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		: 3000.270
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		: 3000.270
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:       1833144 kB
Buffers:         56868 kB
Cached:          80960 kB
SwapCached:      17076 kB
Active:          58300 kB
Inactive:       103296 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1833144 kB
SwapTotal:     4192956 kB
SwapFree:      4139076 kB
Dirty:            6616 kB
Writeback:           0 kB
Mapped:          30008 kB
Slab:            46740 kB
Committed_AS: 11164024 kB
PageTables:       1784 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 node3 on Wed May  2 17:28:34 UTC 2007