Trace number 2695786

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
pb_cplex 2010-06-29OPT52 2.46662 2.46699

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-LIN/submittedPB07/aksoy/
area_partials/normalized-fir10_area_partials.opb
MD5SUM8e58fdc516472c37b974ebbf77c2a4fa
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark52
Best CPU time to get the best result obtained on this benchmark2.46662
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 52
Optimality of the best value was proved YES
Number of variables2091
Total number of constraints7288
Number of constraints which are clauses7288
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 constraint124
Number of terms in the objective function 486
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 486
Number of bits of the sum of numbers in the objective function 9
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 486
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

Solver Data 

0.00/0.00	c pb_cplex 1.0 - 20100701
0.00/0.00	c Parsing opb file format. File HOME/instance-2695786-1278021901.opb.
0.00/0.00	c Instance file HOME/instance-2695786-1278021901.opb
0.00/0.00	c File size is 217380 bytes.
0.00/0.15	c Highest Coefficient sum: 125
0.00/0.15	c  IBM ILOG License Manager: "IBM ILOG Optimization Suite for Academic Initiative" is accessing CPLEX 12 with option(s): "e m b q ".
0.00/0.17	c ============================[ Problem Statistics ]=============================
0.00/0.17	c |                                                                             |
0.00/0.17	c |  Parsing time:          0.16         s                                      |
0.00/0.17	c |  Number Variables:      2091                                                |
0.00/0.17	c |  Number Constraints:    7288                                                |
0.00/0.17	c ===============================================================================
2.38/2.45	c Remaining time 1799.84 sec.
2.38/2.45	s OPTIMUM FOUND
2.38/2.45	c Solution value = 52.00
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2.38/2.46	c Total CPU time              : 2.41163 s

Verifier Data 

OK	52

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2695786-1278021901/watcher-2695786-1278021901 -o /tmp/evaluation-result-2695786-1278021901/solver-2695786-1278021901 -C 1800 -W 2000 -M 1800 run HOME/instance-2695786-1278021901.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: 1.70 1.69 1.61 3/106 30520
/proc/meminfo: memFree=1442452/2059040 swapFree=4140788/4192956
[pid=30520] ppid=30518 vsize=8700 CPUtime=0
/proc/30520/stat : 30520 (run) S 30518 30520 29904 0 -1 4202496 364 0 0 0 0 0 0 0 20 0 1 0 143482994 8908800 248 1992294400 4194304 4922060 140733457472112 18446744073709551615 222313421957 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30520/statm: 2175 248 208 178 0 68 0

[startup+0.04329 s]
/proc/loadavg: 1.70 1.69 1.61 3/106 30520
/proc/meminfo: memFree=1442452/2059040 swapFree=4140788/4192956
[pid=30520] ppid=30518 vsize=8700 CPUtime=0
/proc/30520/stat : 30520 (run) S 30518 30520 29904 0 -1 4202496 364 0 0 0 0 0 0 0 20 0 1 0 143482994 8908800 248 1992294400 4194304 4922060 140733457472112 18446744073709551615 222313421957 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30520/statm: 2175 248 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.101295 s]
/proc/loadavg: 1.70 1.69 1.61 3/106 30520
/proc/meminfo: memFree=1442452/2059040 swapFree=4140788/4192956
[pid=30520] ppid=30518 vsize=8700 CPUtime=0
/proc/30520/stat : 30520 (run) S 30518 30520 29904 0 -1 4202496 364 0 0 0 0 0 0 0 20 0 1 0 143482994 8908800 248 1992294400 4194304 4922060 140733457472112 18446744073709551615 222313421957 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30520/statm: 2175 248 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.301341 s]
/proc/loadavg: 1.70 1.69 1.61 3/106 30520
/proc/meminfo: memFree=1442452/2059040 swapFree=4140788/4192956
[pid=30520] ppid=30518 vsize=8700 CPUtime=0
/proc/30520/stat : 30520 (run) S 30518 30520 29904 0 -1 4202496 364 0 0 0 0 0 0 0 20 0 1 0 143482994 8908800 248 1992294400 4194304 4922060 140733457472112 18446744073709551615 222313421957 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30520/statm: 2175 248 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.700333 s]
/proc/loadavg: 1.70 1.69 1.61 3/106 30520
/proc/meminfo: memFree=1442452/2059040 swapFree=4140788/4192956
[pid=30520] ppid=30518 vsize=8700 CPUtime=0
/proc/30520/stat : 30520 (run) S 30518 30520 29904 0 -1 4202496 364 0 0 0 0 0 0 0 20 0 1 0 143482994 8908800 248 1992294400 4194304 4922060 140733457472112 18446744073709551615 222313421957 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30520/statm: 2175 248 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+1.50032 s]
/proc/loadavg: 1.70 1.69 1.61 2/108 30522
/proc/meminfo: memFree=1425572/2059040 swapFree=4140788/4192956
[pid=30520] ppid=30518 vsize=8700 CPUtime=0
/proc/30520/stat : 30520 (run) S 30518 30520 29904 0 -1 4202496 364 0 0 0 0 0 0 0 20 0 1 0 143482994 8908800 248 1992294400 4194304 4922060 140733457472112 18446744073709551615 222313421957 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30520/statm: 2175 248 208 178 0 68 0
[pid=30521] ppid=30520 vsize=34256 CPUtime=1.49
/proc/30521/stat : 30521 (pb_cplex) R 30520 30520 29904 0 -1 4202496 8276 0 0 0 145 4 0 0 19 0 1 0 143482994 35078144 4476 1992294400 134512640 146736320 4287192016 18446744073709551615 135405195 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/30521/statm: 8564 4476 1026 2985 0 5106 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 42956

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

[startup+1.90031 s]
/proc/loadavg: 1.70 1.69 1.61 2/108 30522
/proc/meminfo: memFree=1425572/2059040 swapFree=4140788/4192956
[pid=30520] ppid=30518 vsize=8700 CPUtime=0
/proc/30520/stat : 30520 (run) S 30518 30520 29904 0 -1 4202496 364 0 0 0 0 0 0 0 20 0 1 0 143482994 8908800 248 1992294400 4194304 4922060 140733457472112 18446744073709551615 222313421957 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30520/statm: 2175 248 208 178 0 68 0
[pid=30521] ppid=30520 vsize=36156 CPUtime=1.89
/proc/30521/stat : 30521 (pb_cplex) R 30520 30520 29904 0 -1 4202496 9056 0 0 0 185 4 0 0 20 0 1 0 143482994 37023744 4801 1992294400 134512640 146736320 4287192016 18446744073709551615 137705845 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/30521/statm: 9039 4801 1026 2985 0 5581 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 44856

[startup+2.3003 s]
/proc/loadavg: 1.70 1.69 1.61 2/108 30522
/proc/meminfo: memFree=1426316/2059040 swapFree=4140788/4192956
[pid=30520] ppid=30518 vsize=8700 CPUtime=0
/proc/30520/stat : 30520 (run) S 30518 30520 29904 0 -1 4202496 364 0 0 0 0 0 0 0 20 0 1 0 143482994 8908800 248 1992294400 4194304 4922060 140733457472112 18446744073709551615 222313421957 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30520/statm: 2175 248 208 178 0 68 0
[pid=30521] ppid=30520 vsize=35128 CPUtime=2.28
/proc/30521/stat : 30521 (pb_cplex) R 30520 30520 29904 0 -1 4202496 9488 0 0 0 224 4 0 0 21 0 1 0 143482994 35971072 4699 1992294400 134512640 146736320 4287192016 18446744073709551615 136015579 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/30521/statm: 8782 4699 1026 2985 0 5324 0
Current children cumulated CPU time (s) 2.28
Current children cumulated vsize (KiB) 43828

[startup+2.4003 s]
/proc/loadavg: 1.70 1.69 1.61 2/108 30522
/proc/meminfo: memFree=1426316/2059040 swapFree=4140788/4192956
[pid=30520] ppid=30518 vsize=8700 CPUtime=0
/proc/30520/stat : 30520 (run) S 30518 30520 29904 0 -1 4202496 364 0 0 0 0 0 0 0 20 0 1 0 143482994 8908800 248 1992294400 4194304 4922060 140733457472112 18446744073709551615 222313421957 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30520/statm: 2175 248 208 178 0 68 0
[pid=30521] ppid=30520 vsize=35128 CPUtime=2.38
/proc/30521/stat : 30521 (pb_cplex) R 30520 30520 29904 0 -1 4202496 9488 0 0 0 234 4 0 0 21 0 1 0 143482994 35971072 4699 1992294400 134512640 146736320 4287192016 18446744073709551615 136403116 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/30521/statm: 8782 4699 1026 2985 0 5324 0
Current children cumulated CPU time (s) 2.38
Current children cumulated vsize (KiB) 43828

Child status: 0
Real time (s): 2.46699
CPU time (s): 2.46662
CPU user time (s): 2.41463
CPU system time (s): 0.051992
CPU usage (%): 99.9852
Max. virtual memory (cumulated for all children) (KiB): 48752

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.41463
system time used= 0.051992
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9886
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= 7
involuntary context switches= 49

runsolver used 0.004999 second user time and 0.022996 second system time

The end

Launcher Data 

Begin job on node036 at 2010-07-02 00:05:01
IDJOB=2695786
IDBENCH=25029
IDSOLVER=1209
FILE ID=node036/2695786-1278021901
PBS_JOBID= 11198727
Free space on /tmp= 62288 MiB

SOLVER NAME= pb_cplex 2010-06-29
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-LIN/submittedPB07/aksoy/area_partials/normalized-fir10_area_partials.opb
COMMAND LINE= run BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2695786-1278021901/watcher-2695786-1278021901 -o /tmp/evaluation-result-2695786-1278021901/solver-2695786-1278021901 -C 1800 -W 2000 -M 1800  run HOME/instance-2695786-1278021901.opb

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

MD5SUM BENCH= 8e58fdc516472c37b974ebbf77c2a4fa
RANDOM SEED=217997174

node036.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		: 3000.251
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	: 6000.50
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		: 3000.251
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:       1442980 kB
Buffers:        156728 kB
Cached:         355228 kB
SwapCached:       6032 kB
Active:         209844 kB
Inactive:       316320 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1442980 kB
SwapTotal:     4192956 kB
SwapFree:      4140788 kB
Dirty:           16820 kB
Writeback:           0 kB
AnonPages:       12552 kB
Mapped:          12188 kB
Slab:            67908 kB
PageTables:       4180 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180796 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= 62272 MiB
End job on node036 at 2010-07-02 00:05:03