Trace number 2655800

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
wbo 1.4bOPT8 17.7293 17.7357

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-LIN/submittedPB07/
aksoy/area_delay/normalized-fir02_area_delay.opb
MD5SUM8d75b7afdbc0cca5deeed142ea90f220
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark8
Best CPU time to get the best result obtained on this benchmark0.098984
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 8
Optimality of the best value was proved YES
Number of variables716
Total number of constraints1923
Number of constraints which are clauses1923
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint31
Number of terms in the objective function 331
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 331
Number of bits of the sum of numbers in the objective function 9
Biggest number in a constraint 2
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 331
Number of bits of the biggest sum of numbers9
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 

0.00/0.00	c wbo 1.4 beta - 20100517
0.00/0.00	c Parsing opb file format. File HOME/instance-2655800-1276637794.opb.
0.00/0.00	c Instance file HOME/instance-2655800-1276637794.opb
0.00/0.00	c File size is 54074 bytes.
0.00/0.01	c Highest Coefficient sum: 32
0.00/0.01	c ============================[ Problem Statistics ]=============================
0.00/0.01	c |                                                                             |
0.00/0.01	c |  Parsing time:          0.01         s                                      |
0.00/0.01	c |  Number Variables:      716                                                 |
0.00/0.01	c |  Number Clauses:        1923                                                |
0.00/0.01	c |  Number Cardinality:    0                                                   |
0.00/0.01	c |  Number PB Constraints: 0                                                   |
0.00/0.03	c ============================[ Search Statistics ]==============================
0.00/0.03	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.03	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.03	c ===============================================================================
0.00/0.03	c |         0 |     561     2036     4037 |     5000        0    nan |  0.000 % |
0.00/0.03	c ===============================================================================
0.00/0.03	c New solution: 9
0.00/0.03	o 9
0.00/0.03	c Elapsed CPU time: 0.036994 s	Remaining CPU time: 179.963 s
0.00/0.03	c ===============================================================================
0.00/0.03	c |         2 |     561     2037     4368 |     5000        2      6 |  0.000 % |
0.00/0.04	c |       102 |     561     2037     4368 |     5500      102     43 | 21.648 % |
0.00/0.05	c |       252 |     561     2037     4368 |     6050      252     37 | 21.648 % |
0.00/0.08	c |       477 |     561     2037     4368 |     6655      477     29 | 21.648 % |
0.09/0.12	c |       814 |     561     2037     4368 |     7320      814     29 | 21.649 % |
0.09/0.16	c |      1321 |     561     2037     4368 |     8052     1321     29 | 21.648 % |
0.19/0.25	c |      2082 |     561     2037     4368 |     8857     2082     30 | 21.648 % |
0.29/0.37	c |      3221 |     561     2037     4368 |     9743     3221     30 | 21.648 % |
0.49/0.58	c |      4930 |     561     2037     4368 |    10717     4930     32 | 21.649 % |
0.89/0.94	c |      7492 |     561     2037     4368 |    11789     7492     33 | 21.648 % |
1.49/1.51	c |     11336 |     561     2037     4368 |    12968    11336     34 | 21.648 % |
2.29/2.30	c |     17102 |     561     2037     4368 |    14265    10490     32 | 21.648 % |
3.69/3.75	c |     25751 |     561     2037     4368 |    15692    11889     30 | 21.649 % |
5.79/5.87	c |     38727 |     561     2037     4368 |    17261     8913     31 | 21.648 % |
9.08/9.17	c |     58188 |     561     2037     4368 |    18987    10864     33 | 21.650 % |
13.20/13.25	c ===============================================================================
13.20/13.25	c New solution: 8
13.20/13.25	o 8
13.20/13.25	c Elapsed CPU time: 12.832 s	Remaining CPU time: 167.168 s
13.20/13.25	c ===============================================================================
13.20/13.25	c |     79807 |     561     2038     4699 |     5000    13242     37 | 21.650 % |
13.29/13.30	c |     79909 |     561     2038     4699 |     5500     3413     36 | 21.648 % |
13.29/13.33	c |     80059 |     561     2038     4699 |     6050     3563     35 | 21.649 % |
13.29/13.35	c |     80284 |     561     2038     4699 |     6655     3788     35 | 21.649 % |
13.29/13.40	c |     80625 |     561     2038     4699 |     7320     4129     34 | 21.648 % |
13.39/13.46	c |     81131 |     561     2038     4699 |     8052     4635     33 | 21.649 % |
13.49/13.54	c |     81892 |     561     2038     4699 |     8857     5396     32 | 21.648 % |
13.59/13.69	c |     83031 |     561     2038     4699 |     9743     6535     31 | 21.650 % |
13.89/13.93	c |     84739 |     561     2038     4699 |    10717     8243     29 | 21.648 % |
14.19/14.30	c |     87301 |     558     2038     4699 |    11789     9853     27 | 22.068 % |
14.88/14.90	c |     91146 |     558     2038     4699 |    12968     7686     25 | 22.068 % |
15.69/15.80	c |     96912 |     558     2038     4699 |    14265     6860     26 | 22.070 % |
17.08/17.19	c |    105561 |     553     2038     4699 |    15692     4818     22 | 22.766 % |
17.69/17.73	c ===============================================================================
17.69/17.73	c Best Solution: 8
17.69/17.73	s OPTIMUM FOUND
17.69/17.73	c Total CPU time: 17.1604 s
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Verifier Data 

OK	8

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2655800-1276637794/watcher-2655800-1276637794 -o /tmp/evaluation-result-2655800-1276637794/solver-2655800-1276637794 -C 1800 -W 2000 -M 1800 wbo1.4b -file-format=opb -time-limit=1800 HOME/instance-2655800-1276637794.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): 2000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 9160
/proc/meminfo: memFree=1835344/2059040 swapFree=4136500/4192956
[pid=9160] ppid=9158 vsize=2636 CPUtime=0
/proc/9160/stat : 9160 (wbo1.4b) R 9158 9160 8935 0 -1 4202496 307 0 0 0 0 0 0 0 24 0 1 0 39383462 2699264 225 1992294400 134512640 135751879 4289201520 18446744073709551615 135206651 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/9160/statm: 659 225 145 303 0 340 0

[startup+0.0941059 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 9160
/proc/meminfo: memFree=1835344/2059040 swapFree=4136500/4192956
[pid=9160] ppid=9158 vsize=2976 CPUtime=0.08
/proc/9160/stat : 9160 (wbo1.4b) R 9158 9160 8935 0 -1 4202496 393 0 0 0 8 0 0 0 24 0 1 0 39383462 3047424 297 1992294400 134512640 135751879 4289201520 18446744073709551615 134518464 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/9160/statm: 744 297 147 303 0 439 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 2976

[startup+0.101106 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 9160
/proc/meminfo: memFree=1835344/2059040 swapFree=4136500/4192956
[pid=9160] ppid=9158 vsize=2976 CPUtime=0.09
/proc/9160/stat : 9160 (wbo1.4b) R 9158 9160 8935 0 -1 4202496 393 0 0 0 9 0 0 0 24 0 1 0 39383462 3047424 297 1992294400 134512640 135751879 4289201520 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/9160/statm: 744 297 147 303 0 439 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2976

[startup+0.30113 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 9160
/proc/meminfo: memFree=1835344/2059040 swapFree=4136500/4192956
[pid=9160] ppid=9158 vsize=3372 CPUtime=0.29
/proc/9160/stat : 9160 (wbo1.4b) R 9158 9160 8935 0 -1 4202496 515 0 0 0 28 1 0 0 25 0 1 0 39383462 3452928 419 1992294400 134512640 135751879 4289201520 18446744073709551615 134607272 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/9160/statm: 843 419 147 303 0 538 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3372

[startup+0.701177 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 9160
/proc/meminfo: memFree=1835344/2059040 swapFree=4136500/4192956
[pid=9160] ppid=9158 vsize=4296 CPUtime=0.69
/proc/9160/stat : 9160 (wbo1.4b) R 9158 9160 8935 0 -1 4202496 741 0 0 0 66 3 0 0 25 0 1 0 39383462 4399104 645 1992294400 134512640 135751879 4289201520 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/9160/statm: 1074 645 147 303 0 769 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4296

[startup+1.50127 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 9161
/proc/meminfo: memFree=1832608/2059040 swapFree=4136500/4192956
[pid=9160] ppid=9158 vsize=5880 CPUtime=1.49
/proc/9160/stat : 9160 (wbo1.4b) R 9158 9160 8935 0 -1 4202496 1138 0 0 0 143 6 0 0 25 0 1 0 39383462 6021120 1042 1992294400 134512640 135751879 4289201520 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/9160/statm: 1470 1042 147 303 0 1165 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5880

[startup+3.10146 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 9161
/proc/meminfo: memFree=1830252/2059040 swapFree=4136500/4192956
[pid=9160] ppid=9158 vsize=8660 CPUtime=3.09
/proc/9160/stat : 9160 (wbo1.4b) R 9158 9160 8935 0 -1 4202496 1820 0 0 0 298 11 0 0 25 0 1 0 39383462 8867840 1724 1992294400 134512640 135751879 4289201520 18446744073709551615 134606320 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/9160/statm: 2165 1724 148 303 0 1860 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 8660

[startup+6.30084 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 9161
/proc/meminfo: memFree=1824672/2059040 swapFree=4136500/4192956
[pid=9160] ppid=9158 vsize=13824 CPUtime=6.28
/proc/9160/stat : 9160 (wbo1.4b) R 9158 9160 8935 0 -1 4202496 3106 0 0 0 608 20 0 0 25 0 1 0 39383462 14155776 3010 1992294400 134512640 135751879 4289201520 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/9160/statm: 3456 3010 148 303 0 3151 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 13824

[startup+12.7016 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 9161
/proc/meminfo: memFree=1815000/2059040 swapFree=4136500/4192956
[pid=9160] ppid=9158 vsize=23100 CPUtime=12.69
/proc/9160/stat : 9160 (wbo1.4b) R 9158 9160 8935 0 -1 4202496 5436 0 0 0 1229 40 0 0 25 0 1 0 39383462 23654400 5340 1992294400 134512640 135751879 4289201520 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/9160/statm: 5775 5340 148 303 0 5470 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 23100

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

[startup+15.901 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 9161
/proc/meminfo: memFree=1809916/2059040 swapFree=4136500/4192956
[pid=9160] ppid=9158 vsize=27984 CPUtime=15.88
/proc/9160/stat : 9160 (wbo1.4b) R 9158 9160 8935 0 -1 4202496 6658 0 0 0 1538 50 0 0 25 0 1 0 39383462 28655616 6562 1992294400 134512640 135751879 4289201520 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/9160/statm: 6996 6562 148 303 0 6691 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 27984

[startup+16.7011 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 9161
/proc/meminfo: memFree=1808304/2059040 swapFree=4136500/4192956
[pid=9160] ppid=9158 vsize=29304 CPUtime=16.69
/proc/9160/stat : 9160 (wbo1.4b) R 9158 9160 8935 0 -1 4202496 6975 0 0 0 1616 53 0 0 25 0 1 0 39383462 30007296 6879 1992294400 134512640 135751879 4289201520 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/9160/statm: 7326 6879 148 303 0 7021 0
Current children cumulated CPU time (s) 16.69
Current children cumulated vsize (KiB) 29304

[startup+17.5012 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 9161
/proc/meminfo: memFree=1806568/2059040 swapFree=4136500/4192956
[pid=9160] ppid=9158 vsize=30492 CPUtime=17.49
/proc/9160/stat : 9160 (wbo1.4b) R 9158 9160 8935 0 -1 4202496 7283 0 0 0 1694 55 0 0 25 0 1 0 39383462 31223808 7187 1992294400 134512640 135751879 4289201520 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/9160/statm: 7623 7187 148 303 0 7318 0
Current children cumulated CPU time (s) 17.49
Current children cumulated vsize (KiB) 30492

[startup+17.7012 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 9161
/proc/meminfo: memFree=1806568/2059040 swapFree=4136500/4192956
[pid=9160] ppid=9158 vsize=30756 CPUtime=17.69
/proc/9160/stat : 9160 (wbo1.4b) R 9158 9160 8935 0 -1 4202496 7362 0 0 0 1713 56 0 0 25 0 1 0 39383462 31494144 7266 1992294400 134512640 135751879 4289201520 18446744073709551615 134606387 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/9160/statm: 7689 7266 148 303 0 7384 0
Current children cumulated CPU time (s) 17.69
Current children cumulated vsize (KiB) 30756

Child status: 0
Real time (s): 17.7357
CPU time (s): 17.7293
CPU user time (s): 17.1614
CPU system time (s): 0.567913
CPU usage (%): 99.9639
Max. virtual memory (cumulated for all children) (KiB): 30756

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 17.1614
system time used= 0.567913
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7374
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= 2
involuntary context switches= 12

runsolver used 0.031995 second user time and 0.095985 second system time

The end

Launcher Data 

Begin job on node001 at 2010-06-15 23:36:34
IDJOB=2655800
IDBENCH=25005
IDSOLVER=1161
FILE ID=node001/2655800-1276637794
PBS_JOBID= 11172396
Free space on /tmp= 62516 MiB

SOLVER NAME= wbo 1.4b
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-LIN/submittedPB07/aksoy/area_delay/normalized-fir02_area_delay.opb
COMMAND LINE= wbo1.4b -file-format=opb -time-limit=TIMEOUT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2655800-1276637794/watcher-2655800-1276637794 -o /tmp/evaluation-result-2655800-1276637794/solver-2655800-1276637794 -C 1800 -W 2000 -M 1800  wbo1.4b -file-format=opb -time-limit=1800 HOME/instance-2655800-1276637794.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 8d75b7afdbc0cca5deeed142ea90f220
RANDOM SEED=833573662

node001.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/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		: 3000.202
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.40
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		: 3000.202
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.46
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1835748 kB
Buffers:         19668 kB
Cached:         113380 kB
SwapCached:       9628 kB
Active:          96356 kB
Inactive:        49728 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1835748 kB
SwapTotal:     4192956 kB
SwapFree:      4136500 kB
Dirty:            2752 kB
Writeback:           0 kB
AnonPages:       11604 kB
Mapped:           9356 kB
Slab:            55440 kB
PageTables:       4092 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181440 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62516 MiB
End job on node001 at 2010-06-15 23:36:52