Trace number 432732

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 3.0.17OPT164393 6.87295 6.87649

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/
MIPLIB/miplib/normalized-reduced-mps-v2-20-10-pipex.opb
MD5SUMed5b5ce3af44efa2d285a6206b4187fd
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark164393
Best CPU time to get the best result obtained on this benchmark0.118981
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 164393
Optimality of the best value was proved YES
Number of variables48
Total number of constraints25
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)16
Number of constraints which are nor clauses,nor cardinality constraints9
Minimum length of a constraint3
Maximum length of a constraint16
Number of terms in the objective function 48
Biggest coefficient in the objective function 22495
Number of bits for the biggest coefficient in the objective function 15
Sum of the numbers in the objective function 524314
Number of bits of the sum of numbers in the objective function 20
Biggest number in a constraint 22495
Number of bits of the biggest number in a constraint 15
Biggest sum of numbers in a constraint 524314
Number of bits of the biggest sum of numbers20
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

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/432732-1177948376/instance-432732-1177948376.opb
0.00/0.00	c File size is 2496 bytes.
0.00/0.00	c Highest Coefficient sum: 524314
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: 48 Constr: 41 16/16/9 Lit: 240 Watch. Lit: 145
0.00/0.00	c Obj. Vars: 48 (100 % 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     48       41      240    5      150     325      0      0 0.00
0.00/0.00	c Initial Lower Bound: 161367
0.00/0.00	c Initial Path Cost: 0
0.00/0.02	c      100     48      141     1348    9      355     358    100  20000 0.01
0.00/0.02	c      250     48      291     3518   12      664     394    250  27777 0.01
0.00/0.02	c      475     48      289     3987   13      663     434    248  29687 0.02
0.00/0.02	o 171438	0.018
0.09/0.19	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.19	c      524     48      339     4830   14      793     421    298  29111 0.02
0.09/0.19	c      624     48      439     6413   14      997     464    398   8547 0.07
0.09/0.19	o 169745	0.191 * 
0.29/0.38	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.29/0.38	c      818     48      412     6012   14      976     421    371   4282 0.19
0.29/0.38	c      918     48      291     4096   14      699     464    250   3716 0.25
0.29/0.38	o 168804	0.383 * 
1.29/1.39	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.29/1.39	c     1132     48      305     4282   14      758     421    264   2955 0.38
1.29/1.39	c     1232     48      427     6243   14     1003     464    386   2762 0.45
1.29/1.39	c     1482     48      449     6488   14     1014     511    408   2572 0.58
1.29/1.39	c     1959     48      319     4148   13      755     563    278   2131 0.92
1.29/1.39	o 167679	1.388 * 
1.39/1.47	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.39/1.47	c     2699     48      382     5117   13      914     421    341   1944 1.39
1.39/1.47	c     2799     48      254     3274   12      624     464    213   1950 1.44
1.39/1.47	o 167610	1.469 * 
3.89/3.93	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
3.89/3.93	c     2839     48      313     4073   13      771     421    272   1932 1.47
3.89/3.93	c     2940     48      425     5971   14     1000     464    384   1930 1.52
3.89/3.93	c     3190     48      503     7412   14     1119     511    462   1893 1.69
3.89/3.93	c     3665     48      408     6095   14      929     563    367   1927 1.90
3.89/3.93	c     4478     48      429     5980   13      972     620    388   1926 2.33
3.89/3.93	c     5798     48      507     6676   13     1130     683    466   1826 3.17
3.89/3.93	o 165789	3.927 * 
5.09/5.12	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
5.09/5.12	c     6878     47      630     7773   12     1406     419    589   1751 3.93
5.09/5.12	c     6978     47      365     4403   12      844     461    324   1753 3.98
5.09/5.12	c     7228     47      399     5588   14      909     508    358   1756 4.12
5.09/5.12	c     7704     47      402     5486   13      919     559    361   1759 4.38
5.09/5.12	c     8518     44      473     4923   10     1059     615    432   1706 4.99
5.09/5.12	o 165022	5.116 * 
5.49/5.53	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
5.49/5.53	c     8695     44      385     4237   11      910     413    344   1699 5.12
5.49/5.53	c     8796     44      290     3325   11      692     455    249   1697 5.18
5.49/5.53	c     9046     44      411     5012   12      935     501    370   1688 5.36
5.49/5.53	o 164419	5.529 * 
6.79/6.80	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
6.79/6.80	c     9277     44      483     5816   12     1107     413    442   1677 5.53
6.79/6.80	c     9379     44      380     4358   11      871     455    339   1677 5.59
6.79/6.80	c     9630     44      315     3247   10      735     501    274   1654 5.82
6.79/6.80	c    10105     44      480     5457   11     1071     552    439   1638 6.17
6.79/6.80	c    10918     42      493     5266   10     1097     608    452   1618 6.75
6.79/6.80	o 164393	6.802 * 
6.79/6.87	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
6.79/6.87	c    11007     42      610     6726   11     1358     409    569   1618 6.80
6.79/6.87	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
6.79/6.87	v x31 x32 -x33 -x34 x35 x36 x37 x38 -x39 -x40 x41 x42 -x43 -x44 -x45 -x46 -x47 -x48
6.79/6.87	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
6.79/6.87	c   33    11091    332    11840      391     3533    350   1614 6.87
6.79/6.87	c Objective: 164393
6.79/6.87	s OPTIMUM FOUND
6.79/6.87	c Total time: 6.868 s

Verifier Data (download as text)

OK	164393

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node63/watcher-432732-1177948376 -o ROOT/results/node63/solver-432732-1177948376 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.17 -m1800 /tmp/evaluation/432732-1177948376/instance-432732-1177948376.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: 0.91 0.97 0.90 3/64 13636
/proc/meminfo: memFree=1851716/2055920 swapFree=4182900/4192956
[pid=13636] ppid=13634 vsize=19548 CPUtime=0
/proc/13636/stat : 13636 (bsolo3.0.17) R 13634 13636 13080 0 -1 4194304 377 0 0 0 0 0 0 0 18 0 1 0 270827584 20017152 346 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 3257708 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13636/statm: 4887 350 297 324 0 3957 0

[startup+0.0505451 s]
/proc/loadavg: 0.91 0.97 0.90 3/64 13636
/proc/meminfo: memFree=1851716/2055920 swapFree=4182900/4192956
[pid=13636] ppid=13634 vsize=12260 CPUtime=0.03
/proc/13636/stat : 13636 (bsolo3.0.17) R 13634 13636 13080 0 -1 4194304 1732 0 0 0 3 0 0 0 18 0 1 0 270827584 12554240 561 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13636/statm: 3065 561 392 324 0 2135 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 12260

[startup+0.101549 s]
/proc/loadavg: 0.91 0.97 0.90 3/64 13636
/proc/meminfo: memFree=1851716/2055920 swapFree=4182900/4192956
[pid=13636] ppid=13634 vsize=12736 CPUtime=0.09
/proc/13636/stat : 13636 (bsolo3.0.17) R 13634 13636 13080 0 -1 4194304 3252 0 0 0 8 1 0 0 18 0 1 0 270827584 13041664 625 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 135316006 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13636/statm: 3184 625 392 324 0 2254 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 12736

[startup+0.301569 s]
/proc/loadavg: 0.91 0.97 0.90 3/64 13636
/proc/meminfo: memFree=1851716/2055920 swapFree=4182900/4192956
[pid=13636] ppid=13634 vsize=12736 CPUtime=0.29
/proc/13636/stat : 13636 (bsolo3.0.17) R 13634 13636 13080 0 -1 4194304 3275 0 0 0 28 1 0 0 19 0 1 0 270827584 13041664 633 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 135332298 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13636/statm: 3184 633 393 324 0 2254 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12736

[startup+0.701611 s]
/proc/loadavg: 0.91 0.97 0.90 3/64 13636
/proc/meminfo: memFree=1851716/2055920 swapFree=4182900/4192956
[pid=13636] ppid=13634 vsize=12736 CPUtime=0.69
/proc/13636/stat : 13636 (bsolo3.0.17) R 13634 13636 13080 0 -1 4194304 3643 0 0 0 68 1 0 0 22 0 1 0 270827584 13041664 641 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13636/statm: 3184 641 393 324 0 2254 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12736

[startup+1.5017 s]
/proc/loadavg: 0.91 0.97 0.90 2/65 13637
/proc/meminfo: memFree=1850620/2055920 swapFree=4182900/4192956
[pid=13636] ppid=13634 vsize=12736 CPUtime=1.49
/proc/13636/stat : 13636 (bsolo3.0.17) R 13634 13636 13080 0 -1 4194304 6202 0 0 0 145 4 0 0 25 0 1 0 270827584 13041664 642 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134707952 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13636/statm: 3224 643 393 324 0 2294 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 12736

[startup+3.10187 s]
/proc/loadavg: 0.91 0.97 0.90 2/65 13637
/proc/meminfo: memFree=1850492/2055920 swapFree=4182900/4192956
[pid=13636] ppid=13634 vsize=12732 CPUtime=3.09
/proc/13636/stat : 13636 (bsolo3.0.17) R 13634 13636 13080 0 -1 4194304 12918 0 0 0 298 11 0 0 25 0 1 0 270827584 13037568 649 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13636/statm: 3224 650 393 324 0 2294 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 12732

[startup+6.3012 s]
/proc/loadavg: 0.92 0.97 0.90 2/65 13637
/proc/meminfo: memFree=1850300/2055920 swapFree=4182900/4192956
[pid=13636] ppid=13634 vsize=12896 CPUtime=6.29
/proc/13636/stat : 13636 (bsolo3.0.17) R 13634 13636 13080 0 -1 4194304 28276 0 0 0 603 26 0 0 25 0 1 0 270827584 13205504 654 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 3405381 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13636/statm: 3183 653 393 324 0 2253 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 12896

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

[startup+6.70124 s]
/proc/loadavg: 0.92 0.97 0.90 2/65 13637
/proc/meminfo: memFree=1850300/2055920 swapFree=4182900/4192956
[pid=13636] ppid=13634 vsize=12896 CPUtime=6.69
/proc/13636/stat : 13636 (bsolo3.0.17) R 13634 13636 13080 0 -1 4194304 29948 0 0 0 642 27 0 0 25 0 1 0 270827584 13205504 654 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 3405381 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13636/statm: 3224 654 393 324 0 2294 0
Current children cumulated CPU time (s) 6.69
Current children cumulated vsize (KiB) 12896

[startup+6.80125 s]
/proc/loadavg: 0.92 0.97 0.90 2/65 13637
/proc/meminfo: memFree=1850300/2055920 swapFree=4182900/4192956
[pid=13636] ppid=13634 vsize=12896 CPUtime=6.79
/proc/13636/stat : 13636 (bsolo3.0.17) R 13634 13636 13080 0 -1 4194304 30362 0 0 0 651 28 0 0 25 0 1 0 270827584 13205504 654 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 3405381 0 0 4096 16384 0 0 0 17 1 0 0
/proc/13636/statm: 3224 654 393 324 0 2294 0
Current children cumulated CPU time (s) 6.79
Current children cumulated vsize (KiB) 12896

Child status: 0
Real time (s): 6.87649
CPU time (s): 6.87295
CPU user time (s): 6.588
CPU system time (s): 0.284956
CPU usage (%): 99.9485
Max. virtual memory (cumulated for all children) (KiB): 12904

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.588
system time used= 0.284956
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 30669
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= 20

runsolver used 0.009998 second user time and 0.017997 second system time

The end

Launcher Data (download as text)

Begin job on node63 on Mon Apr 30 15:52:57 UTC 2007

IDJOB= 432732
IDBENCH= 1733
IDSOLVER= 199
FILE ID= node63/432732-1177948376

PBS_JOBID= 4727808

Free space on /tmp= 66558 MiB

SOLVER NAME= bsolo 3.0.17
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/MIPLIB/miplib/normalized-reduced-mps-v2-20-10-pipex.opb
COMMAND LINE= bsolo3.0.17 -m1800 /tmp/evaluation/432732-1177948376/instance-432732-1177948376.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node63/watcher-432732-1177948376 -o ROOT/results/node63/solver-432732-1177948376 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.17 -m1800 /tmp/evaluation/432732-1177948376/instance-432732-1177948376.opb            

META MD5SUM SOLVER= c9b15312c639dd71a11a1e3ca1b27020
MD5SUM BENCH=  ed5b5ce3af44efa2d285a6206b4187fd

RANDOM SEED= 750135990

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node63.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:       1852124 kB
Buffers:         11652 kB
Cached:         114232 kB
SwapCached:       3860 kB
Active:          40404 kB
Inactive:        97212 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1852124 kB
SwapTotal:     4192956 kB
SwapFree:      4182900 kB
Dirty:            6580 kB
Writeback:           0 kB
Mapped:          17664 kB
Slab:            52124 kB
Committed_AS:  2344124 kB
PageTables:       1464 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 node63 on Mon Apr 30 15:53:04 UTC 2007