Trace number 2680834

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 1.4b (fixed)OPT520 16.8274 16.8318

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB05/
manquinho/primes-dimacs-cnf/normalized-ii16e2.opb
MD5SUM70562ccf7e5b2c45714808415668e9f1
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark520
Best CPU time to get the best result obtained on this benchmark7.28289
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 520
Optimality of the best value was proved YES
Number of variables1064
Total number of constraints8357
Number of constraints which are clauses8357
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 constraint2
Maximum length of a constraint16
Number of terms in the objective function 1064
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 1064
Number of bits of the sum of numbers in the objective function 11
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 1064
Number of bits of the biggest sum of numbers11
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.00	c wbo 1.4 beta - 20100610
0.00/0.00	c Parsing opb file format. File HOME/instance-2680834-1277453912.opb.
0.00/0.00	c Instance file HOME/instance-2680834-1277453912.opb
0.00/0.00	c File size is 326745 bytes.
0.00/0.05	c Highest Coefficient sum: 17
0.00/0.05	c ============================[ Problem Statistics ]=============================
0.00/0.05	c |                                                                             |
0.00/0.05	c |  Parsing time:          0.05         s                                      |
0.00/0.05	c |  Number Variables:      1064                                                |
0.00/0.05	c |  Number Clauses:        8357                                                |
0.00/0.05	c |  Number Cardinality:    0                                                   |
0.00/0.05	c |  Number PB Constraints: 0                                                   |
0.06/0.10	c ============================[ Search Statistics ]==============================
0.06/0.10	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.06/0.10	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.06/0.10	c ===============================================================================
0.06/0.10	c |         0 |    1064     8357    33660 |     5000        0    nan |  0.000 % |
0.09/0.10	c ===============================================================================
0.09/0.10	c New solution: 520
0.09/0.10	o 520
0.09/0.10	c Elapsed CPU time: 0.105983 s	Remaining CPU time: 179.894 s
0.09/0.10	c ===============================================================================
0.09/0.10	c |        70 |    1064     8358    34724 |     5000       70     18 |  0.000 % |
0.09/0.11	c |       173 |    1064     8358    34724 |     5500      173     23 |  0.000 % |
0.09/0.13	c |       323 |    1064     8358    34724 |     6050      323     22 |  0.000 % |
0.09/0.17	c |       548 |    1064     8358    34724 |     6655      548     22 |  0.000 % |
0.19/0.23	c |       885 |    1064     8358    34724 |     7320      885    203 |  0.000 % |
0.29/0.31	c |      1392 |    1064     8358    34724 |     8052     1392    224 |  0.000 % |
0.39/0.43	c |      2151 |    1064     8358    34724 |     8857     2151    230 |  0.004 % |
0.59/0.68	c |      3291 |    1064     8358    34724 |     9743     3291    327 |  0.000 % |
1.00/1.03	c |      4999 |    1062     8358    34724 |    10717     4988    381 |  0.188 % |
1.59/1.63	c |      7562 |    1060     8358    34724 |    11789     7551    413 |  0.376 % |
2.49/2.55	c |     11406 |    1060     8358    34724 |    12968    11395    445 |  0.387 % |
3.99/4.02	c |     17173 |    1058     8358    34724 |    14265    10172    491 |  0.564 % |
6.19/6.29	c |     25823 |    1058     8358    34724 |    15692    11168    504 |  0.564 % |
9.59/9.63	c |     38798 |    1056     8358    34724 |    17261    15978    507 |  0.752 % |
15.09/15.20	c |     58260 |    1024     8358    34724 |    18987    17773    512 |  3.764 % |
16.79/16.81	c ===============================================================================
16.79/16.81	c Best Solution: 520
16.79/16.81	s OPTIMUM FOUND
16.79/16.81	c Total CPU time: 16.4795 s
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Verifier Data 

OK	520

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2680834-1277453912/watcher-2680834-1277453912 -o /tmp/evaluation-result-2680834-1277453912/solver-2680834-1277453912 -C 1800 -W 2000 -M 1800 wbo1.4b -file-format=opb -time-limit=1800 HOME/instance-2680834-1277453912.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 0.86 3/106 27897
/proc/meminfo: memFree=1828428/2059040 swapFree=4139096/4192956
[pid=27897] ppid=27895 vsize=2900 CPUtime=0
/proc/27897/stat : 27897 (wbo1.4b) R 27895 27897 27561 0 -1 4202496 299 0 0 0 0 0 0 0 19 0 1 0 86686589 2969600 218 1992294400 134512640 135752675 4292950816 18446744073709551615 135207291 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27897/statm: 725 218 138 303 0 340 0

[startup+0.0702731 s]
/proc/loadavg: 1.00 1.00 0.86 3/106 27897
/proc/meminfo: memFree=1828428/2059040 swapFree=4139096/4192956
[pid=27897] ppid=27895 vsize=3816 CPUtime=0.06
/proc/27897/stat : 27897 (wbo1.4b) R 27895 27897 27561 0 -1 4202496 661 0 0 0 6 0 0 0 19 0 1 0 86686589 3907584 500 1992294400 134512640 135752675 4292950816 18446744073709551615 135271249 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27897/statm: 954 500 141 303 0 649 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 3816

[startup+0.101275 s]
/proc/loadavg: 1.00 1.00 0.86 3/106 27897
/proc/meminfo: memFree=1828428/2059040 swapFree=4139096/4192956
[pid=27897] ppid=27895 vsize=3816 CPUtime=0.09
/proc/27897/stat : 27897 (wbo1.4b) R 27895 27897 27561 0 -1 4202496 669 0 0 0 9 0 0 0 20 0 1 0 86686589 3907584 508 1992294400 134512640 135752675 4292950816 18446744073709551615 135201349 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27897/statm: 954 508 142 303 0 649 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3816

[startup+0.301287 s]
/proc/loadavg: 1.00 1.00 0.86 3/106 27897
/proc/meminfo: memFree=1828428/2059040 swapFree=4139096/4192956
[pid=27897] ppid=27895 vsize=4584 CPUtime=0.29
/proc/27897/stat : 27897 (wbo1.4b) R 27895 27897 27561 0 -1 4202496 849 0 0 0 29 0 0 0 20 0 1 0 86686589 4694016 688 1992294400 134512640 135752675 4292950816 18446744073709551615 134605424 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27897/statm: 1146 688 145 303 0 841 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4584

[startup+0.701312 s]
/proc/loadavg: 1.00 1.00 0.86 3/106 27897
/proc/meminfo: memFree=1828428/2059040 swapFree=4139096/4192956
[pid=27897] ppid=27895 vsize=7928 CPUtime=0.69
/proc/27897/stat : 27897 (wbo1.4b) R 27895 27897 27561 0 -1 4202496 1684 0 0 0 68 1 0 0 21 0 1 0 86686589 8118272 1523 1992294400 134512640 135752675 4292950816 18446744073709551615 134517456 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27897/statm: 1982 1523 145 303 0 1677 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7928

[startup+1.50136 s]
/proc/loadavg: 1.00 1.00 0.86 2/107 27898
/proc/meminfo: memFree=1819616/2059040 swapFree=4139096/4192956
[pid=27897] ppid=27895 vsize=15136 CPUtime=1.49
/proc/27897/stat : 27897 (wbo1.4b) R 27895 27897 27561 0 -1 4202496 3494 0 0 0 146 3 0 0 23 0 1 0 86686589 15499264 3333 1992294400 134512640 135752675 4292950816 18446744073709551615 135271249 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27897/statm: 3784 3333 145 303 0 3479 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 15136

[startup+3.10146 s]
/proc/loadavg: 1.00 1.00 0.86 2/107 27900
/proc/meminfo: memFree=1809696/2059040 swapFree=4139096/4192956
[pid=27897] ppid=27895 vsize=28776 CPUtime=3.09
/proc/27897/stat : 27897 (wbo1.4b) R 27895 27897 27561 0 -1 4202496 6922 0 0 0 303 6 0 0 25 0 1 0 86686589 29466624 6761 1992294400 134512640 135752675 4292950816 18446744073709551615 134611601 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27897/statm: 7194 6761 145 303 0 6889 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 28776

[startup+6.30066 s]
/proc/loadavg: 1.00 1.00 0.86 2/107 27900
/proc/meminfo: memFree=1783160/2059040 swapFree=4139096/4192956
[pid=27897] ppid=27895 vsize=54388 CPUtime=6.29
/proc/27897/stat : 27897 (wbo1.4b) R 27895 27897 27561 0 -1 4202496 13324 0 0 0 616 13 0 0 25 0 1 0 86686589 55693312 13163 1992294400 134512640 135752675 4292950816 18446744073709551615 135271249 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27897/statm: 13597 13163 145 303 0 13292 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 54388

[startup+12.7011 s]
/proc/loadavg: 1.00 1.00 0.86 2/107 27900
/proc/meminfo: memFree=1730956/2059040 swapFree=4139096/4192956
[pid=27897] ppid=27895 vsize=103552 CPUtime=12.69
/proc/27897/stat : 27897 (wbo1.4b) R 27895 27897 27561 0 -1 4202496 25595 0 0 0 1243 26 0 0 25 0 1 0 86686589 106037248 25434 1992294400 134512640 135752675 4292950816 18446744073709551615 134517408 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27897/statm: 25888 25434 145 303 0 25583 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 103552

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

[startup+14.3082 s]
/proc/loadavg: 1.00 1.00 0.86 2/107 27900
/proc/meminfo: memFree=1715332/2059040 swapFree=4139096/4192956
[pid=27897] ppid=27895 vsize=115332 CPUtime=14.3
/proc/27897/stat : 27897 (wbo1.4b) R 27895 27897 27561 0 -1 4202496 28559 0 0 0 1401 29 0 0 25 0 1 0 86686589 118099968 28398 1992294400 134512640 135752675 4292950816 18446744073709551615 134611601 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27897/statm: 28833 28398 145 303 0 28528 0
Current children cumulated CPU time (s) 14.3
Current children cumulated vsize (KiB) 115332

[startup+15.9013 s]
/proc/loadavg: 1.00 1.00 0.86 2/107 27900
/proc/meminfo: memFree=1706404/2059040 swapFree=4139096/4192956
[pid=27897] ppid=27895 vsize=127204 CPUtime=15.88
/proc/27897/stat : 27897 (wbo1.4b) R 27895 27897 27561 0 -1 4202496 31525 0 0 0 1557 31 0 0 25 0 1 0 86686589 130256896 31364 1992294400 134512640 135752675 4292950816 18446744073709551615 134603244 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27897/statm: 31801 31364 145 303 0 31496 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 127204

[startup+16.3013 s]
/proc/loadavg: 1.00 1.00 0.86 2/107 27900
/proc/meminfo: memFree=1706404/2059040 swapFree=4139096/4192956
[pid=27897] ppid=27895 vsize=130276 CPUtime=16.29
/proc/27897/stat : 27897 (wbo1.4b) R 27895 27897 27561 0 -1 4202496 32281 0 0 0 1597 32 0 0 25 0 1 0 86686589 133402624 32120 1992294400 134512640 135752675 4292950816 18446744073709551615 134638083 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27897/statm: 32569 32120 145 303 0 32264 0
Current children cumulated CPU time (s) 16.29
Current children cumulated vsize (KiB) 130276

[startup+16.7013 s]
/proc/loadavg: 1.00 1.00 0.87 2/107 27900
/proc/meminfo: memFree=1698964/2059040 swapFree=4139096/4192956
[pid=27897] ppid=27895 vsize=133348 CPUtime=16.69
/proc/27897/stat : 27897 (wbo1.4b) R 27895 27897 27561 0 -1 4202496 33062 0 0 0 1636 33 0 0 25 0 1 0 86686589 136548352 32901 1992294400 134512640 135752675 4292950816 18446744073709551615 134611601 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27897/statm: 33337 32902 145 303 0 33032 0
Current children cumulated CPU time (s) 16.69
Current children cumulated vsize (KiB) 133348

[startup+16.8013 s]
/proc/loadavg: 1.00 1.00 0.87 2/107 27900
/proc/meminfo: memFree=1698964/2059040 swapFree=4139096/4192956
[pid=27897] ppid=27895 vsize=134244 CPUtime=16.79
/proc/27897/stat : 27897 (wbo1.4b) R 27895 27897 27561 0 -1 4202496 33277 0 0 0 1646 33 0 0 25 0 1 0 86686589 137465856 33116 1992294400 134512640 135752675 4292950816 18446744073709551615 134518934 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27897/statm: 33561 33116 145 303 0 33256 0
Current children cumulated CPU time (s) 16.79
Current children cumulated vsize (KiB) 134244

Child status: 0
Real time (s): 16.8318
CPU time (s): 16.8274
CPU user time (s): 16.4805
CPU system time (s): 0.346947
CPU usage (%): 99.9741
Max. virtual memory (cumulated for all children) (KiB): 134244

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 16.4805
system time used= 0.346947
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 33314
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= 32

runsolver used 0.027995 second user time and 0.088986 second system time

The end

Launcher Data 

Begin job on node029 at 2010-06-25 10:18:32
IDJOB=2680834
IDBENCH=2166
IDSOLVER=1190
FILE ID=node029/2680834-1277453912
PBS_JOBID= 11188136
Free space on /tmp= 62488 MiB

SOLVER NAME= wbo 1.4b (fixed)
BENCH NAME= PB06//final/normalized-PB06/OPT-SMALLINT/submitted-PB05/manquinho/primes-dimacs-cnf/normalized-ii16e2.opb
COMMAND LINE= wbo1.4b -file-format=opb -time-limit=TIMEOUT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2680834-1277453912/watcher-2680834-1277453912 -o /tmp/evaluation-result-2680834-1277453912/solver-2680834-1277453912 -C 1800 -W 2000 -M 1800  wbo1.4b -file-format=opb -time-limit=1800 HOME/instance-2680834-1277453912.opb

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

MD5SUM BENCH= 70562ccf7e5b2c45714808415668e9f1
RANDOM SEED=1692072186

node029.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		: 3000.221
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	: 6000.44
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		: 3000.221
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:       1828832 kB
Buffers:         43828 kB
Cached:          87036 kB
SwapCached:       7392 kB
Active:          25012 kB
Inactive:       120736 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1828832 kB
SwapTotal:     4192956 kB
SwapFree:      4139096 kB
Dirty:            3124 kB
Writeback:           0 kB
AnonPages:       12532 kB
Mapped:          11920 kB
Slab:            62552 kB
PageTables:       4216 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   183168 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= 62488 MiB
End job on node029 at 2010-06-25 10:18:49