Trace number 2656191

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 1.4bOPT520 17.0094 17.014

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 - 20100517
0.00/0.00	c Parsing opb file format. File HOME/instance-2656191-1276458806.opb.
0.00/0.00	c Instance file HOME/instance-2656191-1276458806.opb
0.00/0.00	c File size is 326745 bytes.
0.00/0.04	c Highest Coefficient sum: 17
0.00/0.04	c ============================[ Problem Statistics ]=============================
0.00/0.04	c |                                                                             |
0.00/0.04	c |  Parsing time:          0.05         s                                      |
0.00/0.04	c |  Number Variables:      1064                                                |
0.00/0.04	c |  Number Clauses:        8357                                                |
0.00/0.04	c |  Number Cardinality:    0                                                   |
0.00/0.04	c |  Number PB Constraints: 0                                                   |
0.04/0.09	c ============================[ Search Statistics ]==============================
0.04/0.09	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.04/0.09	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.04/0.09	c ===============================================================================
0.04/0.09	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: 0.100984 s	Remaining CPU time: 179.899 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 % |
0.09/0.16	c |       548 |    1064     8358    34724 |     6655      548     22 |  0.000 % |
0.19/0.23	c |       885 |    1064     8358    34724 |     7320      885    203 |  0.000 % |
0.29/0.30	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 % |
1.00/1.04	c |      4999 |    1062     8358    34724 |    10717     4988    381 |  0.188 % |
1.59/1.65	c |      7562 |    1060     8358    34724 |    11789     7551    413 |  0.376 % |
2.49/2.58	c |     11406 |    1060     8358    34724 |    12968    11395    445 |  0.387 % |
3.99/4.08	c |     17173 |    1058     8358    34724 |    14265    10172    491 |  0.564 % |
6.29/6.36	c |     25823 |    1058     8358    34724 |    15692    11168    504 |  0.564 % |
9.69/9.74	c |     38798 |    1056     8358    34724 |    17261    15978    507 |  0.752 % |
15.30/15.33	c |     58260 |    1024     8358    34724 |    18987    17773    512 |  3.764 % |
16.89/16.99	c ===============================================================================
16.89/16.99	c Best Solution: 520
16.89/16.99	s OPTIMUM FOUND
16.89/16.99	c Total CPU time: 16.7105 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-2656191-1276458806/watcher-2656191-1276458806 -o /tmp/evaluation-result-2656191-1276458806/solver-2656191-1276458806 -C 1800 -W 2000 -M 1800 wbo1.4b -file-format=opb -time-limit=1800 HOME/instance-2656191-1276458806.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 1.01 1.00 3/106 24230
/proc/meminfo: memFree=1661816/2059040 swapFree=4192956/4192956
[pid=24230] ppid=24228 vsize=2900 CPUtime=0
/proc/24230/stat : 24230 (wbo1.4b) R 24228 24230 23316 0 -1 4202496 306 0 0 0 0 0 0 0 18 0 1 0 21484312 2969600 225 1992294400 134512640 135751879 4293295456 18446744073709551615 134574084 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/24230/statm: 725 225 144 303 0 340 0

[startup+0.0490159 s]
/proc/loadavg: 1.00 1.01 1.00 3/106 24230
/proc/meminfo: memFree=1661816/2059040 swapFree=4192956/4192956
[pid=24230] ppid=24228 vsize=3284 CPUtime=0.04
/proc/24230/stat : 24230 (wbo1.4b) R 24228 24230 23316 0 -1 4202496 530 0 0 0 4 0 0 0 20 0 1 0 21484312 3362816 369 1992294400 134512640 135751879 4293295456 18446744073709551615 135206651 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/24230/statm: 821 372 143 303 0 516 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 3284

[startup+0.102021 s]
/proc/loadavg: 1.00 1.01 1.00 3/106 24230
/proc/meminfo: memFree=1661816/2059040 swapFree=4192956/4192956
[pid=24230] ppid=24228 vsize=3816 CPUtime=0.09
/proc/24230/stat : 24230 (wbo1.4b) R 24228 24230 23316 0 -1 4202496 673 0 0 0 9 0 0 0 20 0 1 0 21484312 3907584 512 1992294400 134512640 135751879 4293295456 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/24230/statm: 954 512 146 303 0 649 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3816

[startup+0.302043 s]
/proc/loadavg: 1.00 1.01 1.00 3/106 24230
/proc/meminfo: memFree=1661816/2059040 swapFree=4192956/4192956
[pid=24230] ppid=24228 vsize=4584 CPUtime=0.29
/proc/24230/stat : 24230 (wbo1.4b) R 24228 24230 23316 0 -1 4202496 862 0 0 0 29 0 0 0 20 0 1 0 21484312 4694016 701 1992294400 134512640 135751879 4293295456 18446744073709551615 134616495 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/24230/statm: 1146 701 147 303 0 841 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4584

[startup+0.701088 s]
/proc/loadavg: 1.00 1.01 1.00 3/106 24230
/proc/meminfo: memFree=1661816/2059040 swapFree=4192956/4192956
[pid=24230] ppid=24228 vsize=7928 CPUtime=0.69
/proc/24230/stat : 24230 (wbo1.4b) R 24228 24230 23316 0 -1 4202496 1686 0 0 0 68 1 0 0 21 0 1 0 21484312 8118272 1525 1992294400 134512640 135751879 4293295456 18446744073709551615 134597614 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/24230/statm: 1982 1525 147 303 0 1677 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7928

[startup+1.50118 s]
/proc/loadavg: 1.00 1.01 1.00 2/107 24231
/proc/meminfo: memFree=1653128/2059040 swapFree=4192956/4192956
[pid=24230] ppid=24228 vsize=15008 CPUtime=1.49
/proc/24230/stat : 24230 (wbo1.4b) R 24228 24230 23316 0 -1 4202496 3462 0 0 0 147 2 0 0 23 0 1 0 21484312 15368192 3301 1992294400 134512640 135751879 4293295456 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/24230/statm: 3752 3301 147 303 0 3447 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 15008

[startup+3.10136 s]
/proc/loadavg: 1.00 1.01 1.00 2/107 24231
/proc/meminfo: memFree=1643084/2059040 swapFree=4192956/4192956
[pid=24230] ppid=24228 vsize=28520 CPUtime=3.09
/proc/24230/stat : 24230 (wbo1.4b) R 24228 24230 23316 0 -1 4202496 6853 0 0 0 304 5 0 0 25 0 1 0 21484312 29204480 6692 1992294400 134512640 135751879 4293295456 18446744073709551615 134518464 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/24230/statm: 7130 6692 147 303 0 6825 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 28520

[startup+6.30171 s]
/proc/loadavg: 1.00 1.01 1.00 2/107 24231
/proc/meminfo: memFree=1616920/2059040 swapFree=4192956/4192956
[pid=24230] ppid=24228 vsize=53876 CPUtime=6.29
/proc/24230/stat : 24230 (wbo1.4b) R 24228 24230 23316 0 -1 4202496 13188 0 0 0 618 11 0 0 25 0 1 0 21484312 55169024 13027 1992294400 134512640 135751879 4293295456 18446744073709551615 134616334 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/24230/statm: 13469 13028 148 303 0 13164 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 53876

[startup+12.7014 s]
/proc/loadavg: 1.00 1.01 1.00 2/107 24231
/proc/meminfo: memFree=1565220/2059040 swapFree=4192956/4192956
[pid=24230] ppid=24228 vsize=102784 CPUtime=12.69
/proc/24230/stat : 24230 (wbo1.4b) R 24228 24230 23316 0 -1 4202496 25423 0 0 0 1247 22 0 0 25 0 1 0 21484312 105250816 25262 1992294400 134512640 135751879 4293295456 18446744073709551615 134616336 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/24230/statm: 25696 25262 148 303 0 25391 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 102784

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

[startup+14.3086 s]
/proc/loadavg: 1.00 1.01 1.00 2/107 24231
/proc/meminfo: memFree=1549596/2059040 swapFree=4192956/4192956
[pid=24230] ppid=24228 vsize=114564 CPUtime=14.3
/proc/24230/stat : 24230 (wbo1.4b) R 24228 24230 23316 0 -1 4202496 28362 0 0 0 1406 24 0 0 25 0 1 0 21484312 117313536 28201 1992294400 134512640 135751879 4293295456 18446744073709551615 134606646 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/24230/statm: 28641 28201 148 303 0 28336 0
Current children cumulated CPU time (s) 14.3
Current children cumulated vsize (KiB) 114564

[startup+15.9018 s]
/proc/loadavg: 1.00 1.01 1.00 2/107 24231
/proc/meminfo: memFree=1540792/2059040 swapFree=4192956/4192956
[pid=24230] ppid=24228 vsize=126692 CPUtime=15.88
/proc/24230/stat : 24230 (wbo1.4b) R 24228 24230 23316 0 -1 4202496 31374 0 0 0 1562 26 0 0 25 0 1 0 21484312 129732608 31213 1992294400 134512640 135751879 4293295456 18446744073709551615 134616336 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/24230/statm: 31673 31214 148 303 0 31368 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 126692

[startup+16.7019 s]
/proc/loadavg: 1.00 1.01 1.00 2/107 24231
/proc/meminfo: memFree=1533724/2059040 swapFree=4192956/4192956
[pid=24230] ppid=24228 vsize=131940 CPUtime=16.68
/proc/24230/stat : 24230 (wbo1.4b) R 24228 24230 23316 0 -1 4202496 32690 0 0 0 1641 27 0 0 25 0 1 0 21484312 135106560 32529 1992294400 134512640 135751879 4293295456 18446744073709551615 134517424 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/24230/statm: 32985 32529 148 303 0 32680 0
Current children cumulated CPU time (s) 16.68
Current children cumulated vsize (KiB) 131940

[startup+16.9019 s]
/proc/loadavg: 1.00 1.01 1.00 2/107 24231
/proc/meminfo: memFree=1533724/2059040 swapFree=4192956/4192956
[pid=24230] ppid=24228 vsize=133604 CPUtime=16.89
/proc/24230/stat : 24230 (wbo1.4b) R 24228 24230 23316 0 -1 4202496 33105 0 0 0 1661 28 0 0 25 0 1 0 21484312 136810496 32944 1992294400 134512640 135751879 4293295456 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/24230/statm: 33401 32944 148 303 0 33096 0
Current children cumulated CPU time (s) 16.89
Current children cumulated vsize (KiB) 133604

[startup+17.0019 s]
/proc/loadavg: 1.00 1.01 1.00 2/107 24231
/proc/meminfo: memFree=1533724/2059040 swapFree=4192956/4192956
[pid=24230] ppid=24228 vsize=0 CPUtime=16.99
/proc/24230/stat : 24230 (wbo1.4b) R 24228 24230 23316 0 -1 4202500 33316 0 0 0 1671 28 0 0 25 0 1 0 21484312 0 0 1992294400 0 0 0 0 0 0 0 4096 3 18446744073709551615 0 0 17 1 0 0 0
/proc/24230/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 16.99
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 17.014
CPU time (s): 17.0094
CPU user time (s): 16.7105
CPU system time (s): 0.298954
CPU usage (%): 99.9733
Max. virtual memory (cumulated for all children) (KiB): 133604

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 16.7105
system time used= 0.298954
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 33316
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= 198

runsolver used 0.029995 second user time and 0.087986 second system time

The end

Launcher Data 

Begin job on node005 at 2010-06-13 21:53:26
IDJOB=2656191
IDBENCH=2166
IDSOLVER=1161
FILE ID=node005/2656191-1276458806
PBS_JOBID= 11173333
Free space on /tmp= 62532 MiB

SOLVER NAME= wbo 1.4b
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-2656191-1276458806/watcher-2656191-1276458806 -o /tmp/evaluation-result-2656191-1276458806/solver-2656191-1276458806 -C 1800 -W 2000 -M 1800  wbo1.4b -file-format=opb -time-limit=1800 HOME/instance-2656191-1276458806.opb

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

MD5SUM BENCH= 70562ccf7e5b2c45714808415668e9f1
RANDOM SEED=328412749

node005.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		: 3000.246
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	: 6000.49
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		: 3000.246
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	: 5599.45
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1662220 kB
Buffers:        109140 kB
Cached:         159368 kB
SwapCached:          0 kB
Active:         161480 kB
Inactive:       166376 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1662220 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            2972 kB
Writeback:           0 kB
AnonPages:       59356 kB
Mapped:          15364 kB
Slab:            47140 kB
PageTables:       4012 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180852 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= 62528 MiB
End job on node005 at 2010-06-13 21:53:43