Trace number 432714

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 3.0.17UNSAT 1.87671 1.88118

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/ftp.netlib.org/
lp/data/normalized-reduced-mps-v2-20-10-80bau3b.opb
MD5SUMbe4f4f29b9c7e2eb46e68f9bd24a134f
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 benchmark1.87671
Has Objective FunctionYES
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables228630
Total number of constraints5194
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 constraints5194
Minimum length of a constraint10
Maximum length of a constraint3330
Number of terms in the objective function 182710
Biggest coefficient in the objective function 400
Number of bits for the biggest coefficient in the objective function 9
Sum of the numbers in the objective function 583528
Number of bits of the sum of numbers in the objective function 20
Biggest number in a constraint 262145
Number of bits of the biggest number in a constraint 19
Biggest sum of numbers in a constraint 583528
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 bsolo beta version 3.0.17 - 27/04/2007 : 1600 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 Memory Limit set to 1800 MB
0.00/0.00	c Instance file /tmp/evaluation/432714-1177948199/instance-432714-1177948199.opb
0.00/0.00	c File size is 8381395 bytes.
1.68/1.77	c Highest Coefficient sum: 583528
1.68/1.77	c Parsing was ok!!
1.68/1.77	c Total parsing time: 1.775 s
1.79/1.86	c Var: 228630 Constr: 5194 38/0/5156 Lit: 559219 Watch. Lit: 161573
1.79/1.86	c Obj. Vars: 182710 (79.9151 % of total variables)
1.79/1.86	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
1.79/1.86	c    0        0      0        0     5194   559219      0      0 1.86
1.79/1.86	s UNSATISFIABLE
1.79/1.86	c Total time: 1.864 s

Verifier Data (download as text)

ERROR: no interpretation found !

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node55/watcher-432714-1177948199 -o ROOT/results/node55/solver-432714-1177948199 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.17 -m1800 /tmp/evaluation/432714-1177948199/instance-432714-1177948199.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: 0.92 0.98 0.92 3/64 18354
/proc/meminfo: memFree=1335436/2055920 swapFree=4184544/4192956
[pid=18354] ppid=18352 vsize=19924 CPUtime=0
/proc/18354/stat : 18354 (bsolo3.0.17) R 18352 18354 17894 0 -1 4194304 361 0 0 0 0 0 0 0 18 0 1 0 242730016 20402176 331 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18354/statm: 4981 331 279 324 0 2004 0

[startup+0.03209 s]
/proc/loadavg: 0.92 0.98 0.92 3/64 18354
/proc/meminfo: memFree=1335436/2055920 swapFree=4184544/4192956
[pid=18354] ppid=18352 vsize=20940 CPUtime=0.02
/proc/18354/stat : 18354 (bsolo3.0.17) R 18352 18354 17894 0 -1 4194304 639 0 0 0 2 0 0 0 18 0 1 0 242730016 21442560 609 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 7284347 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18354/statm: 5235 609 312 324 0 2258 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 20940

[startup+0.101096 s]
/proc/loadavg: 0.92 0.98 0.92 3/64 18354
/proc/meminfo: memFree=1335436/2055920 swapFree=4184544/4192956
[pid=18354] ppid=18352 vsize=23712 CPUtime=0.09
/proc/18354/stat : 18354 (bsolo3.0.17) R 18352 18354 17894 0 -1 4194304 1494 0 0 0 9 0 0 0 18 0 1 0 242730016 24281088 1345 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134538959 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18354/statm: 5928 1345 396 324 0 2951 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 23712

[startup+0.301114 s]
/proc/loadavg: 0.92 0.98 0.92 3/64 18354
/proc/meminfo: memFree=1335436/2055920 swapFree=4184544/4192956
[pid=18354] ppid=18352 vsize=29772 CPUtime=0.29
/proc/18354/stat : 18354 (bsolo3.0.17) R 18352 18354 17894 0 -1 4194304 3572 0 0 0 28 1 0 0 19 0 1 0 242730016 30486528 3120 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18354/statm: 7443 3121 646 324 0 4466 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 29772

[startup+0.701152 s]
/proc/loadavg: 0.92 0.98 0.92 3/64 18354
/proc/meminfo: memFree=1335436/2055920 swapFree=4184544/4192956
[pid=18354] ppid=18352 vsize=30508 CPUtime=0.69
/proc/18354/stat : 18354 (bsolo3.0.17) R 18352 18354 17894 0 -1 4194304 6291 0 0 0 67 2 0 0 22 0 1 0 242730016 31240192 5526 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134525286 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18354/statm: 7627 5526 1145 324 0 4650 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 30508

[startup+1.50123 s]
/proc/loadavg: 0.92 0.98 0.92 2/65 18355
/proc/meminfo: memFree=1315972/2055920 swapFree=4184544/4192956
[pid=18354] ppid=18352 vsize=36640 CPUtime=1.49
/proc/18354/stat : 18354 (bsolo3.0.17) R 18352 18354 17894 0 -1 4194304 8949 0 0 0 146 3 0 0 25 0 1 0 242730016 37519360 7991 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134525286 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18354/statm: 9160 7991 2005 324 0 6183 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 36640

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

[startup+1.70125 s]
/proc/loadavg: 0.92 0.98 0.92 2/65 18355
/proc/meminfo: memFree=1315972/2055920 swapFree=4184544/4192956
[pid=18354] ppid=18352 vsize=38084 CPUtime=1.68
/proc/18354/stat : 18354 (bsolo3.0.17) R 18352 18354 17894 0 -1 4194304 9554 0 0 0 165 3 0 0 25 0 1 0 242730016 38998016 8596 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 7284347 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18354/statm: 9521 8596 2240 324 0 6544 0
Current children cumulated CPU time (s) 1.68
Current children cumulated vsize (KiB) 38084

[startup+1.80126 s]
/proc/loadavg: 0.92 0.98 0.92 2/65 18355
/proc/meminfo: memFree=1315972/2055920 swapFree=4184544/4192956
[pid=18354] ppid=18352 vsize=30544 CPUtime=1.79
/proc/18354/stat : 18354 (bsolo3.0.17) R 18352 18354 17894 0 -1 4194304 9831 0 0 0 175 4 0 0 25 0 1 0 242730016 31277056 6826 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 7278661 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18354/statm: 7636 6826 299 324 0 6706 0
Current children cumulated CPU time (s) 1.79
Current children cumulated vsize (KiB) 30544

Child status: 0
Real time (s): 1.88118
CPU time (s): 1.87671
CPU user time (s): 1.80672
CPU system time (s): 0.069989
CPU usage (%): 99.7624
Max. virtual memory (cumulated for all children) (KiB): 38084

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.80672
system time used= 0.069989
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 15005
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= 4

runsolver used 0.003999 second user time and 0.007998 second system time

The end

Launcher Data (download as text)

Begin job on node55 on Mon Apr 30 15:50:00 UTC 2007

IDJOB= 432714
IDBENCH= 1713
IDSOLVER= 199
FILE ID= node55/432714-1177948199

PBS_JOBID= 4727813

Free space on /tmp= 66550 MiB

SOLVER NAME= bsolo 3.0.17
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/ftp.netlib.org/lp/data/normalized-reduced-mps-v2-20-10-80bau3b.opb
COMMAND LINE= bsolo3.0.17 -m1800 /tmp/evaluation/432714-1177948199/instance-432714-1177948199.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node55/watcher-432714-1177948199 -o ROOT/results/node55/solver-432714-1177948199 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.17 -m1800 /tmp/evaluation/432714-1177948199/instance-432714-1177948199.opb            

META MD5SUM SOLVER= c9b15312c639dd71a11a1e3ca1b27020
MD5SUM BENCH=  be4f4f29b9c7e2eb46e68f9bd24a134f

RANDOM SEED= 231708835

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node55.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:       1335780 kB
Buffers:         60524 kB
Cached:         572108 kB
SwapCached:       2556 kB
Active:         347324 kB
Inactive:       295144 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1335780 kB
SwapTotal:     4192956 kB
SwapFree:      4184544 kB
Dirty:           14844 kB
Writeback:           0 kB
Mapped:          16256 kB
Slab:            63652 kB
Committed_AS:  1409604 kB
PageTables:       1380 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= 66550 MiB

End job on node55 on Mon Apr 30 15:50:02 UTC 2007