Trace number 362913

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
Pueblo 1.4UNSAT 1.64975 1.65162

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/ftp.netlib.org/
lp/data/normalized-reduced-mps-v2-20-10-bandm.opb
MD5SUMb002a5dc99ccd859f0d9410c5cb7a1b7
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark0.455929
Has Objective FunctionYES
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables14160
Total number of constraints305
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints305
Minimum length of a constraint30
Maximum length of a constraint2100
Number of terms in the objective function 4710
Biggest coefficient in the objective function 6176
Number of bits for the biggest coefficient in the objective function 13
Sum of the numbers in the objective function 528047
Number of bits of the sum of numbers in the objective function 20
Biggest number in a constraint 262144
Number of bits of the biggest number in a constraint 19
Biggest sum of numbers in a constraint 528047
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 Pueblo version 1.4 (September 2005)
0.00/0.00	c Developed @ University of Michigan, Ann Arbor, MI
0.00/0.00	c  by Hossein Sheini
0.29/0.39	c starting to Solve
0.29/0.39	c #variables read: 14160 - #constraints read: 611
1.59/1.64	c total time              : 1.64 s
1.59/1.64	s UNSATISFIABLE

Verifier Data (download as text)

ERROR: no interpretation found !

Conversion Script Data (download as text)

/tmp/evaluation/362913-1177020203/instance-362913-1177020203.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/node2/watcher-362913-1177020203 -o ROOT/results/node2/solver-362913-1177020203 -C 1800 -W 3600 -M 1800 --output-limit 1,15 Pueblo /tmp/evaluation/362913-1177020203/instance-362913-1177020203.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: 1.15 1.13 1.09 3/77 21142
/proc/meminfo: memFree=1845536/2055920 swapFree=4149072/4192956
[pid=21142] ppid=21140 vsize=2552 CPUtime=0
/proc/21142/stat : 21142 (Pueblo) R 21140 21142 31569 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 178058084 2613248 228 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 11001559 0 0 4096 0 0 0 0 17 1 0 0
/proc/21142/statm: 638 228 193 16 0 77 0

[startup+0.057201 s]
/proc/loadavg: 1.15 1.13 1.09 3/77 21142
/proc/meminfo: memFree=1845536/2055920 swapFree=4149072/4192956
[pid=21142] ppid=21140 vsize=3484 CPUtime=0.05
/proc/21142/stat : 21142 (Pueblo) R 21140 21142 31569 0 -1 4194304 503 0 0 0 5 0 0 0 18 0 1 0 178058084 3567616 473 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 11001559 0 0 4096 0 0 0 0 17 1 0 0
/proc/21142/statm: 871 473 199 16 0 310 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 3484

[startup+0.101205 s]
/proc/loadavg: 1.15 1.13 1.09 3/77 21142
/proc/meminfo: memFree=1845536/2055920 swapFree=4149072/4192956
[pid=21142] ppid=21140 vsize=3748 CPUtime=0.09
/proc/21142/stat : 21142 (Pueblo) R 21140 21142 31569 0 -1 4194304 579 0 0 0 9 0 0 0 18 0 1 0 178058084 3837952 549 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 10995487 0 0 4096 0 0 0 0 17 1 0 0
/proc/21142/statm: 937 549 199 16 0 376 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3748

[startup+0.301229 s]
/proc/loadavg: 1.15 1.13 1.09 3/77 21142
/proc/meminfo: memFree=1845536/2055920 swapFree=4149072/4192956
[pid=21142] ppid=21140 vsize=7444 CPUtime=0.29
/proc/21142/stat : 21142 (Pueblo) R 21140 21142 31569 0 -1 4194304 1463 0 0 0 29 0 0 0 19 0 1 0 178058084 7622656 1433 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/21142/statm: 1861 1433 205 16 0 1300 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7444

[startup+0.701267 s]
/proc/loadavg: 1.15 1.13 1.09 3/77 21142
/proc/meminfo: memFree=1845536/2055920 swapFree=4149072/4192956
[pid=21142] ppid=21140 vsize=11092 CPUtime=0.69
/proc/21142/stat : 21142 (Pueblo) R 21140 21142 31569 0 -1 4194304 2388 0 0 0 68 1 0 0 22 0 1 0 178058084 11358208 2358 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134527759 0 0 4096 0 0 0 0 17 1 0 0
/proc/21142/statm: 2773 2358 206 16 0 2212 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 11092

[startup+1.50135 s]
/proc/loadavg: 1.14 1.13 1.09 2/78 21143
/proc/meminfo: memFree=1836824/2055920 swapFree=4149072/4192956
[pid=21142] ppid=21140 vsize=11092 CPUtime=1.49
/proc/21142/stat : 21142 (Pueblo) R 21140 21142 31569 0 -1 4194304 2388 0 0 0 148 1 0 0 25 0 1 0 178058084 11358208 2358 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134528346 0 0 4096 0 0 0 0 17 1 0 0
/proc/21142/statm: 2773 2358 206 16 0 2212 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 11092

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

[startup+1.60236 s]
/proc/loadavg: 1.14 1.13 1.09 2/78 21143
/proc/meminfo: memFree=1836824/2055920 swapFree=4149072/4192956
[pid=21142] ppid=21140 vsize=11092 CPUtime=1.59
/proc/21142/stat : 21142 (Pueblo) R 21140 21142 31569 0 -1 4194304 2388 0 0 0 158 1 0 0 25 0 1 0 178058084 11358208 2358 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134528360 0 0 4096 0 0 0 0 17 1 0 0
/proc/21142/statm: 2773 2358 206 16 0 2212 0
Current children cumulated CPU time (s) 1.59
Current children cumulated vsize (KiB) 11092

Child status: 20
Real time (s): 1.65162
CPU time (s): 1.64975
CPU user time (s): 1.63375
CPU system time (s): 0.015997
CPU usage (%): 99.8865
Max. virtual memory (cumulated for all children) (KiB): 11092

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.63375
system time used= 0.015997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2394
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= 1

runsolver used 0.005999 second user time and 0.007998 second system time

The end

Launcher Data (download as text)

Begin job on node2 on Thu Apr 19 22:03:23 UTC 2007

IDJOB= 362913
IDBENCH= 1685
IDSOLVER= 165
FILE ID= node2/362913-1177020203

PBS_JOBID= 4630567

Free space on /tmp= 66399 MiB

SOLVER NAME= Pueblo 1.4
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/ftp.netlib.org/lp/data/normalized-reduced-mps-v2-20-10-bandm.opb
COMMAND LINE= Pueblo /tmp/evaluation/362913-1177020203/instance-362913-1177020203.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node2/convwatcher-362913-1177020203 -o ROOT/results/node2/conversion-362913-1177020203 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/362913-1177020203/instance-362913-1177020203.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node2/watcher-362913-1177020203 -o ROOT/results/node2/solver-362913-1177020203 -C 1800 -W 3600 -M 1800 --output-limit 1,15  Pueblo /tmp/evaluation/362913-1177020203/instance-362913-1177020203.opb

META MD5SUM SOLVER= 9ebec3e8d890fdeefad01654ad9b68b7
MD5SUM BENCH=  b002a5dc99ccd859f0d9410c5cb7a1b7

RANDOM SEED= 288917400

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node2.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		: 3000.234
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		: 3000.234
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:       1845880 kB
Buffers:         40508 kB
Cached:          89304 kB
SwapCached:      12240 kB
Active:          68228 kB
Inactive:        88100 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1845880 kB
SwapTotal:     4192956 kB
SwapFree:      4149072 kB
Dirty:            3148 kB
Writeback:           0 kB
Mapped:          33392 kB
Slab:            39112 kB
Committed_AS:  7616552 kB
PageTables:       1868 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= 66399 MiB

End job on node2 on Thu Apr 19 22:03:25 UTC 2007