Trace number 365650

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
bsolo 3.0.16UNSAT 0.203968 0.213281

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/
lp/data/normalized-mps-v2-20-10-bandm.opb
MD5SUMa992ef1ae9c2fc19bb4dff3e333a9816
Bench CategoryOPT-BIGINT (optimisation, big 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 benchmark0.199968
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 53687091200000
Number of bits for the biggest coefficient in the objective function 46
Sum of the numbers in the objective function 4557677556349764
Number of bits of the sum of numbers in the objective function 53
Biggest number in a constraint 111669149696000
Number of bits of the biggest number in a constraint 47
Biggest sum of numbers in a constraint 4557677556349764
Number of bits of the biggest sum of numbers53
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 bsolo beta version 3.0.16 - 04/04/2007 : 1458 GMT
0.00/0.00	c Developed by Vasco Manquinho IST/UTL - INESC-ID
0.00/0.00	c type "bsolo -h" for help
0.00/0.00	c Time Limit set via environment variable PBTIMEOUT to 1800
0.00/0.00	c Time Limit set to 1800
0.00/0.00	c Memory Limit set to 1800 MB
0.00/0.00	c Instance file /tmp/evaluation/365650-1177051399/instance-365650-1177051399.opb
0.00/0.00	c File size is 1212792 bytes.
0.00/0.01	c Coefficients are big enough for not using lower bounding.
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0.09/0.19	c Coefficients are big enough for not using lower bounding.
0.09/0.19	c Coefficients are big enough for not using lower bounding.
0.09/0.19	c Coefficients are big enough for not using lower bounding.
0.09/0.19	c Coefficients are big enough for not using lower bounding.
0.09/0.19	c Coefficients are big enough for not using lower bounding.
0.09/0.19	c Coefficients are big enough for not using lower bounding.
0.09/0.19	c Coefficients are big enough for not using lower bounding.
0.09/0.19	c Coefficients are big enough for not using lower bounding.
0.09/0.19	c Coefficients are big enough for not using lower bounding.
0.09/0.20	c Coefficients are big enough for not using lower bounding.
0.09/0.20	c Highest Coefficient sum: 4.55768e+15
0.09/0.20	c Parsing was ok!!
0.09/0.20	c Total parsing time: 0.191 s
0.18/0.20	c Var: 14160 Constr: 610 8/0/602 Lit: 145860 Watch. Lit: 27325
0.18/0.20	c Obj. Vars: 4710 (33.2627 % of total variables)
0.18/0.21	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.18/0.21	c    0        0      0        0      610   145860      0      0 0.20
0.18/0.21	s UNSATISFIABLE
0.18/0.21	c Total time: 0.2 s

Verifier Data (download as text)

ERROR: no interpretation found !

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node52/watcher-365650-1177051399 -o ROOT/results/node52/solver-365650-1177051399 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/365650-1177051399/instance-365650-1177051399.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: 0.77 0.95 0.98 3/64 22060
/proc/meminfo: memFree=1742092/2055920 swapFree=4182956/4192956
[pid=22060] ppid=22058 vsize=20736 CPUtime=0
/proc/22060/stat : 22060 (bsolo3.0.16) R 22058 22060 19937 0 -1 4194304 364 0 0 0 0 0 0 0 18 0 1 0 59985005 21233664 332 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 4744827 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22060/statm: 5184 332 280 324 0 3956 0

[startup+0.0560531 s]
/proc/loadavg: 0.77 0.95 0.98 3/64 22060
/proc/meminfo: memFree=1742092/2055920 swapFree=4182956/4192956
[pid=22060] ppid=22058 vsize=6120 CPUtime=0.04
/proc/22060/stat : 22060 (bsolo3.0.16) R 22058 22060 19937 0 -1 4194304 696 0 0 0 4 0 0 0 18 0 1 0 59985005 6266880 664 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 134525286 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22060/statm: 1530 664 366 324 0 302 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 6120

[startup+0.101056 s]
/proc/loadavg: 0.77 0.95 0.98 3/64 22060
/proc/meminfo: memFree=1742092/2055920 swapFree=4182956/4192956
[pid=22060] ppid=22058 vsize=6640 CPUtime=0.09
/proc/22060/stat : 22060 (bsolo3.0.16) R 22058 22060 19937 0 -1 4194304 902 0 0 0 9 0 0 0 18 0 1 0 59985005 6799360 870 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 134528174 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22060/statm: 1660 870 435 324 0 432 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6640

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

[startup+0.201062 s]
/proc/loadavg: 0.77 0.95 0.98 3/64 22060
/proc/meminfo: memFree=1742092/2055920 swapFree=4182956/4192956
[pid=22060] ppid=22058 vsize=6828 CPUtime=0.18
/proc/22060/stat : 22060 (bsolo3.0.16) R 22058 22060 19937 0 -1 4194304 1400 0 0 0 18 0 0 0 18 0 1 0 59985005 6991872 1071 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/22060/statm: 1707 1071 301 324 0 776 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 6828

Child status: 0
Real time (s): 0.213281
CPU time (s): 0.203968
CPU user time (s): 0.189971
CPU system time (s): 0.013997
CPU usage (%): 95.6335
Max. virtual memory (cumulated for all children) (KiB): 6828

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.189971
system time used= 0.013997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1850
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= 12
involuntary context switches= 324

runsolver used 0.004999 second user time and 0.010998 second system time

The end

Launcher Data (download as text)

Begin job on node52 on Fri Apr 20 06:43:19 UTC 2007

IDJOB= 365650
IDBENCH= 2460
IDSOLVER= 163
FILE ID= node52/365650-1177051399

PBS_JOBID= 4640149

Free space on /tmp= 66308 MiB

SOLVER NAME= bsolo 3.0.16
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/lp/data/normalized-mps-v2-20-10-bandm.opb
COMMAND LINE= bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/365650-1177051399/instance-365650-1177051399.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node52/watcher-365650-1177051399 -o ROOT/results/node52/solver-365650-1177051399 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/365650-1177051399/instance-365650-1177051399.opb            

META MD5SUM SOLVER= b11bf0769a124f73ad50b0fdfcd50482
MD5SUM BENCH=  a992ef1ae9c2fc19bb4dff3e333a9816

RANDOM SEED= 919189345

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node52.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		: 3000.236
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		: 3000.236
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:       1742564 kB
Buffers:         23936 kB
Cached:         237928 kB
SwapCached:       3744 kB
Active:          77656 kB
Inactive:       195004 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1742564 kB
SwapTotal:     4192956 kB
SwapFree:      4182956 kB
Dirty:            5736 kB
Writeback:           0 kB
Mapped:          16808 kB
Slab:            26700 kB
Committed_AS:  1700160 kB
PageTables:       1492 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= 66308 MiB

End job on node52 on Fri Apr 20 06:43:20 UTC 2007