Trace number 372333

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
glpPB 0.2OPT11452 0.45493 0.455633

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-LIN/reduced/
submittedPB07/aksoy/trarea_ac/normalized-reduced-fir03_trarea_ac.opb
MD5SUM4c7127e3833be0946f911f649745c11e
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark11452
Best CPU time to get the best result obtained on this benchmark0.45493
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 11452
Optimality of the best value was proved YES
Number of variables1343
Total number of constraints2405
Number of constraints which are clauses2405
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 constraint55
Number of terms in the objective function 690
Biggest coefficient in the objective function 989
Number of bits for the biggest coefficient in the objective function 10
Sum of the numbers in the objective function 524625
Number of bits of the sum of numbers in the objective function 20
Biggest number in a constraint 989
Number of bits of the biggest number in a constraint 10
Biggest sum of numbers in a constraint 524625
Number of bits of the biggest sum of numbers20
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data (download as text)

0.00/0.00	c glpPB 0.2 (July 2006)
0.00/0.00	c An Application of GLPK 4.10 for PB Constraints
0.00/0.00	c Done @ University of Michigan, Ann Arbor, MI
0.00/0.00	c  by Hossein Sheini
0.39/0.45	c starting to Solve
0.39/0.45	c total time = 0.44
0.39/0.45	o 11452
0.39/0.45	c quality of integer solution is H
0.39/0.45	s OPTIMUM FOUND
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Verifier Data (download as text)

OK	11452

Conversion Script Data (download as text)

/tmp/evaluation/372333-1177090816/instance-372333-1177090816.opb is already a linear file

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node62/watcher-372333-1177090816 -o ROOT/results/node62/solver-372333-1177090816 -C 1800 -W 3600 -M 1800 --output-limit 1,15 glpPBv3 /tmp/evaluation/372333-1177090816/instance-372333-1177090816.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: 0.91 0.97 0.96 3/64 3834
/proc/meminfo: memFree=1707104/2055920 swapFree=4184556/4192956
[pid=3834] ppid=3832 vsize=2644 CPUtime=0
/proc/3834/stat : 3834 (glpPBv3) R 3832 3834 3086 0 -1 0 258 0 0 0 0 0 0 0 18 0 1 0 27657610 2707456 228 18446744073709551615 134512640 134678228 4294956672 18446744073709551615 8572631 0 0 4096 0 0 0 0 17 1 0 0
/proc/3834/statm: 661 228 192 40 0 76 0

[startup+0.0843129 s]
/proc/loadavg: 0.91 0.97 0.96 3/64 3834
/proc/meminfo: memFree=1707104/2055920 swapFree=4184556/4192956
[pid=3834] ppid=3832 vsize=4140 CPUtime=0.08
/proc/3834/stat : 3834 (glpPBv3) R 3832 3834 3086 0 -1 0 703 0 0 0 8 0 0 0 18 0 1 0 27657610 4239360 653 18446744073709551615 134512640 134678228 4294956672 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/3834/statm: 1035 653 221 40 0 450 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 4140

[startup+0.101315 s]
/proc/loadavg: 0.91 0.97 0.96 3/64 3834
/proc/meminfo: memFree=1707104/2055920 swapFree=4184556/4192956
[pid=3834] ppid=3832 vsize=4240 CPUtime=0.09
/proc/3834/stat : 3834 (glpPBv3) R 3832 3834 3086 0 -1 0 715 0 0 0 9 0 0 0 18 0 1 0 27657610 4341760 665 18446744073709551615 134512640 134678228 4294956672 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/3834/statm: 1060 665 221 40 0 475 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4240

[startup+0.301339 s]
/proc/loadavg: 0.91 0.97 0.96 3/64 3834
/proc/meminfo: memFree=1707104/2055920 swapFree=4184556/4192956
[pid=3834] ppid=3832 vsize=4440 CPUtime=0.29
/proc/3834/stat : 3834 (glpPBv3) R 3832 3834 3086 0 -1 0 765 0 0 0 29 0 0 0 19 0 1 0 27657610 4546560 715 18446744073709551615 134512640 134678228 4294956672 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/3834/statm: 1110 715 221 40 0 525 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4440

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

[startup+0.401351 s]
/proc/loadavg: 0.91 0.97 0.96 3/64 3834
/proc/meminfo: memFree=1707104/2055920 swapFree=4184556/4192956
[pid=3834] ppid=3832 vsize=4440 CPUtime=0.39
/proc/3834/stat : 3834 (glpPBv3) R 3832 3834 3086 0 -1 0 765 0 0 0 39 0 0 0 19 0 1 0 27657610 4546560 715 18446744073709551615 134512640 134678228 4294956672 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/3834/statm: 1110 715 221 40 0 525 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 4440

Child status: 30
Real time (s): 0.455633
CPU time (s): 0.45493
CPU user time (s): 0.446932
CPU system time (s): 0.007998
CPU usage (%): 99.8457
Max. virtual memory (cumulated for all children) (KiB): 4440

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.446932
system time used= 0.007998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1077
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= 13
involuntary context switches= 0

runsolver used 0.000999 second user time and 0.005999 second system time

The end

Launcher Data (download as text)

Begin job on node62 on Fri Apr 20 17:40:16 UTC 2007

IDJOB= 372333
IDBENCH= 24964
IDSOLVER= 166
FILE ID= node62/372333-1177090816

PBS_JOBID= 4640325

Free space on /tmp= 66496 MiB

SOLVER NAME= glpPB 0.2
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/OPT-SMALLINT-LIN/reduced/submittedPB07/aksoy/trarea_ac/normalized-reduced-fir03_trarea_ac.opb
COMMAND LINE= glpPBv3 /tmp/evaluation/372333-1177090816/instance-372333-1177090816.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node62/convwatcher-372333-1177090816 -o ROOT/results/node62/conversion-372333-1177090816 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/372333-1177090816/instance-372333-1177090816.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node62/watcher-372333-1177090816 -o ROOT/results/node62/solver-372333-1177090816 -C 1800 -W 3600 -M 1800 --output-limit 1,15  glpPBv3 /tmp/evaluation/372333-1177090816/instance-372333-1177090816.opb

META MD5SUM SOLVER= 9ebec3e8d890fdeefad01654ad9b68b7
MD5SUM BENCH=  4c7127e3833be0946f911f649745c11e

RANDOM SEED= 952835842

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node62.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		: 3000.216
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		: 3000.216
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:       1707576 kB
Buffers:         32748 kB
Cached:         244788 kB
SwapCached:       2148 kB
Active:         152240 kB
Inactive:       135048 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1707576 kB
SwapTotal:     4192956 kB
SwapFree:      4184556 kB
Dirty:            2340 kB
Writeback:           0 kB
Mapped:          16040 kB
Slab:            47100 kB
Committed_AS:  1062704 kB
PageTables:       1460 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= 66496 MiB

End job on node62 on Fri Apr 20 17:40:17 UTC 2007