Trace number 432826

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 3.0.17OPT-7772 2.23466 2.24015

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/mps-v2-20-10/MIPLIB/
miplib/normalized-mps-v2-20-10-sentoy.opb
MD5SUMd0f46c7e79d3309033cc6b73ceacef6c
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-7772
Best CPU time to get the best result obtained on this benchmark0.130979
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function -7772
Optimality of the best value was proved YES
Number of variables60
Total number of constraints30
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 constraints30
Minimum length of a constraint60
Maximum length of a constraint60
Number of terms in the objective function 60
Biggest coefficient in the objective function 974
Number of bits for the biggest coefficient in the objective function 10
Sum of the numbers in the objective function 9460
Number of bits of the sum of numbers in the objective function 14
Biggest number in a constraint 6000
Number of bits of the biggest number in a constraint 13
Biggest sum of numbers in a constraint 26162
Number of bits of the biggest sum of numbers15
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/432826-1177950426/instance-432826-1177950426.opb
0.00/0.00	c File size is 15778 bytes.
0.00/0.00	c Highest Coefficient sum: 26162
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0.002 s
0.00/0.00	c Var: 60 Constr: 30 0/0/30 Lit: 1800 Watch. Lit: 472
0.00/0.00	c Obj. Vars: 60 (100 % of total variables)
0.00/0.00	c Pre-processing Time: 0.004 s
0.00/0.01	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.01	c        0     60       30     1800   60      504    3600      0      0 0.00
0.00/0.01	c Initial Lower Bound: -7839
0.00/0.01	c Initial Path Cost: -9460
0.00/0.01	o -3144	0.011
0.02/0.03	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.02/0.03	c        0     60       31     1860   60     1001    3720      1      0 0.01
0.02/0.03	o -4937	0.03 * 
0.02/0.08	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.02/0.08	c        0     60       32     1920   60      998    3840      2      0 0.03
0.02/0.08	o -7549	0.076 * 
0.09/0.11	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.11	c        0     60       33     1980   60     1009    3960      3      0 0.08
0.09/0.11	o -7558	0.114 * 
0.09/0.14	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.14	c        6     60       45     2235   49     1109    3960     15     52 0.11
0.09/0.14	o -7564	0.143 * 
0.19/0.21	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.19/0.21	c        9     60       49     2378   48     1186    3960     19     62 0.14
0.19/0.21	o -7597	0.209 * 
0.29/0.34	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.29/0.34	c       33     60       89     3186   35     1307    3960     59    157 0.21
0.29/0.34	o -7603	0.342 * 
0.39/0.49	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.39/0.49	c       85     60      191     4844   25     1495    3960    161    248 0.34
0.39/0.49	o -7639	0.487 * 
0.49/0.51	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.49/0.51	c      148     60      310     7106   22     1782    3960    280    303 0.49
0.49/0.51	o -7675	0.512 * 
0.58/0.60	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.58/0.60	c      148     60      311     7166   23     1952    3960    281    289 0.51
0.58/0.60	o -7691	0.596 * 
0.79/0.82	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.79/0.82	c      178     60      370     8342   22     2051    3960    340    298 0.60
0.79/0.82	o -7709	0.823 * 
1.19/1.26	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.19/1.26	c      273     60      553    11848   21     2465    3960    523    331 0.82
1.19/1.26	c      373     60      753    15291   20     2597    4357    723    352 1.06
1.19/1.26	o -7728	1.254 * 
1.39/1.48	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.39/1.48	c      450     60      906    17551   19     3108    3960    876    358 1.25
1.39/1.48	o -7772	1.482 * 
2.19/2.23	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
2.19/2.23	c      541     60     1086    21108   19     3585    3960   1056    365 1.48
2.19/2.23	c      643     60     1285    24330   18     3695    4357   1255    372 1.72
2.19/2.23	v -x1 x12 -x23 -x34 x45 -x56 -x58 x59 x60 -x2 x3 -x4 x5 x6 -x7 x8 -x9 x10 x11 -x13 x14 -x15 -x16 -x17 x18 -x19 x20 -x21 -x22 x24 -x25
2.19/2.23	v -x26 -x27 -x28 -x29 -x30 x31 -x32 -x33 -x35 -x36 -x37 -x38 -x39 -x40 x41 x42 -x43 -x44 -x46 -x47 -x48 x49 -x50 -x51 x52 -x53 -x54
2.19/2.23	v x55 -x57
2.19/2.23	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
2.19/2.23	c   15      848      0     1205     1694    27799   1664    380 2.23
2.19/2.23	c Objective: -7772
2.19/2.23	s OPTIMUM FOUND
2.19/2.23	c Total time: 2.231 s

Verifier Data (download as text)

OK	-7772

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node13/watcher-432826-1177950426 -o ROOT/results/node13/solver-432826-1177950426 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.17 -m1800 /tmp/evaluation/432826-1177950426/instance-432826-1177950426.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: 0.90 0.97 0.92 3/77 11169
/proc/meminfo: memFree=1856336/2055920 swapFree=4159412/4192956
[pid=11169] ppid=11167 vsize=19564 CPUtime=0
/proc/11169/stat : 11169 (bsolo3.0.17) R 11167 11169 10317 0 -1 4194304 361 0 0 0 0 0 0 0 18 0 1 0 242960494 20033536 331 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134545536 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11169/statm: 4891 331 279 324 0 3957 0

[startup+0.0296909 s]
/proc/loadavg: 0.90 0.97 0.92 3/77 11169
/proc/meminfo: memFree=1856336/2055920 swapFree=4159412/4192956
[pid=11169] ppid=11167 vsize=20512 CPUtime=0.02
/proc/11169/stat : 11169 (bsolo3.0.17) R 11167 11169 10317 0 -1 4194304 873 0 0 0 2 0 0 0 18 0 1 0 242960494 21004288 563 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134689057 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11169/statm: 5128 567 391 324 0 4198 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 20512

[startup+0.101701 s]
/proc/loadavg: 0.90 0.97 0.92 3/77 11169
/proc/meminfo: memFree=1856336/2055920 swapFree=4159412/4192956
[pid=11169] ppid=11167 vsize=20508 CPUtime=0.09
/proc/11169/stat : 11169 (bsolo3.0.17) R 11167 11169 10317 0 -1 4194304 2276 0 0 0 8 1 0 0 18 0 1 0 242960494 21000192 572 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11169/statm: 5130 576 392 324 0 4200 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 20508

[startup+0.301743 s]
/proc/loadavg: 0.90 0.97 0.92 3/77 11169
/proc/meminfo: memFree=1856336/2055920 swapFree=4159412/4192956
[pid=11169] ppid=11167 vsize=12536 CPUtime=0.29
/proc/11169/stat : 11169 (bsolo3.0.17) R 11167 11169 10317 0 -1 4194304 4643 0 0 0 26 3 0 0 19 0 1 0 242960494 12836864 621 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134706523 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11169/statm: 3134 621 393 324 0 2204 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12536

[startup+0.701828 s]
/proc/loadavg: 0.90 0.97 0.92 3/77 11169
/proc/meminfo: memFree=1856336/2055920 swapFree=4159412/4192956
[pid=11169] ppid=11167 vsize=12536 CPUtime=0.69
/proc/11169/stat : 11169 (bsolo3.0.17) R 11167 11169 10317 0 -1 4194304 8488 0 0 0 64 5 0 0 23 0 1 0 242960494 12836864 632 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11169/statm: 3134 632 393 324 0 2204 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12536

[startup+1.502 s]
/proc/loadavg: 0.90 0.97 0.92 2/78 11170
/proc/meminfo: memFree=1855176/2055920 swapFree=4159412/4192956
[pid=11169] ppid=11167 vsize=13172 CPUtime=1.49
/proc/11169/stat : 11169 (bsolo3.0.17) R 11167 11169 10317 0 -1 4194304 17587 0 0 0 139 10 0 0 25 0 1 0 242960494 13488128 700 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 135316900 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11169/statm: 3293 700 393 324 0 2363 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 13172

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

[startup+1.90108 s]
/proc/loadavg: 0.90 0.97 0.92 2/78 11170
/proc/meminfo: memFree=1855176/2055920 swapFree=4159412/4192956
[pid=11169] ppid=11167 vsize=12836 CPUtime=1.88
/proc/11169/stat : 11169 (bsolo3.0.17) R 11167 11169 10317 0 -1 4194304 21038 0 0 0 177 11 0 0 25 0 1 0 242960494 13144064 706 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11169/statm: 3209 706 393 324 0 2279 0
Current children cumulated CPU time (s) 1.88
Current children cumulated vsize (KiB) 12836

[startup+2.10113 s]
/proc/loadavg: 0.90 0.97 0.92 2/78 11170
/proc/meminfo: memFree=1854792/2055920 swapFree=4159412/4192956
[pid=11169] ppid=11167 vsize=13172 CPUtime=2.09
/proc/11169/stat : 11169 (bsolo3.0.17) R 11167 11169 10317 0 -1 4194304 22879 0 0 0 196 13 0 0 25 0 1 0 242960494 13488128 714 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 135313376 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11169/statm: 3293 714 393 324 0 2363 0
Current children cumulated CPU time (s) 2.09
Current children cumulated vsize (KiB) 13172

[startup+2.20515 s]
/proc/loadavg: 0.90 0.97 0.92 2/78 11170
/proc/meminfo: memFree=1854792/2055920 swapFree=4159412/4192956
[pid=11169] ppid=11167 vsize=12836 CPUtime=2.19
/proc/11169/stat : 11169 (bsolo3.0.17) R 11167 11169 10317 0 -1 4194304 23988 0 0 0 206 13 0 0 25 0 1 0 242960494 13144064 710 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11169/statm: 3209 710 393 324 0 2279 0
Current children cumulated CPU time (s) 2.19
Current children cumulated vsize (KiB) 12836

Child status: 0
Real time (s): 2.24015
CPU time (s): 2.23466
CPU user time (s): 2.09268
CPU system time (s): 0.141978
CPU usage (%): 99.7551
Max. virtual memory (cumulated for all children) (KiB): 20512

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.09268
system time used= 0.141978
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 24328
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= 81

runsolver used 0.004999 second user time and 0.011998 second system time

The end

Launcher Data (download as text)

Begin job on node13 on Mon Apr 30 16:27:07 UTC 2007

IDJOB= 432826
IDBENCH= 1857
IDSOLVER= 199
FILE ID= node13/432826-1177950426

PBS_JOBID= 4727829

Free space on /tmp= 66558 MiB

SOLVER NAME= bsolo 3.0.17
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-SMALLINT/mps-v2-20-10/MIPLIB/miplib/normalized-mps-v2-20-10-sentoy.opb
COMMAND LINE= bsolo3.0.17 -m1800 /tmp/evaluation/432826-1177950426/instance-432826-1177950426.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node13/watcher-432826-1177950426 -o ROOT/results/node13/solver-432826-1177950426 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.17 -m1800 /tmp/evaluation/432826-1177950426/instance-432826-1177950426.opb            

META MD5SUM SOLVER= c9b15312c639dd71a11a1e3ca1b27020
MD5SUM BENCH=  d0f46c7e79d3309033cc6b73ceacef6c

RANDOM SEED= 347494440

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node13.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		: 3000.259
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		: 3000.259
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:       1856808 kB
Buffers:          2928 kB
Cached:         114352 kB
SwapCached:      12736 kB
Active:          49608 kB
Inactive:        91668 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1856808 kB
SwapTotal:     4192956 kB
SwapFree:      4159412 kB
Dirty:            6724 kB
Writeback:           0 kB
Mapped:          31036 kB
Slab:            43332 kB
Committed_AS:  6963820 kB
PageTables:       1876 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 node13 on Mon Apr 30 16:27:09 UTC 2007