Trace number 372274

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 3.0.16OPT23670 0.142978 0.144951

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-LIN/reduced/
submittedPB07/aksoy/trarea_ac/normalized-reduced-fir05_trarea_ac.opb
MD5SUMda210e6015c5a34ffbeabe5ecb901720
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark23670
Best CPU time to get the best result obtained on this benchmark0.146977
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 23670
Optimality of the best value was proved YES
Number of variables1152
Total number of constraints1774
Number of constraints which are clauses1774
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 constraint39
Number of terms in the objective function 661
Biggest coefficient in the objective function 1066
Number of bits for the biggest coefficient in the objective function 11
Sum of the numbers in the objective function 524592
Number of bits of the sum of numbers in the objective function 20
Biggest number in a constraint 1066
Number of bits of the biggest number in a constraint 11
Biggest sum of numbers in a constraint 524592
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

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

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/372274-1177081042/instance-372274-1177081042.opb
0.00/0.00	c File size is 54756 bytes.
0.00/0.01	c Highest Coefficient sum: 524592
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.01 s
0.00/0.01	c Var: 1152 Constr: 1774 1774/0/0 Lit: 4511 Watch. Lit: 3543
0.00/0.01	c Obj. Vars: 661 (57.3785 % of total variables)
0.00/0.02	c Formula reductions applied at preprocessing
0.00/0.02	c Pre-processing Time: 0.024 s
0.09/0.13	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.13	c        0   1131     1747     4462    2     3494     582      0      0 0.02
0.09/0.13	c Initial Lower Bound: 23670
0.09/0.13	c Initial Path Cost: 3467
0.09/0.13	o 25992	0.133
0.09/0.14	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.14	c        0   1131     1748     5113    2     4118    1884      1      0 0.13
0.09/0.14	o 23670	0.137 * 
0.09/0.14	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.14	c        0   1131     1749     5764    3     4738    3186      2      0 0.14
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0.09/0.14	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.09/0.14	c    2        1      1      809     1752     5766      5      7 0.14
0.09/0.14	c Objective: 23670
0.09/0.14	s OPTIMUM FOUND
0.09/0.14	c Total time: 0.139 s

Verifier Data (download as text)

OK	23670

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node55/watcher-372274-1177081042 -o ROOT/results/node55/solver-372274-1177081042 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/372274-1177081042/instance-372274-1177081042.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 0.99 3/64 19206
/proc/meminfo: memFree=1661940/2055920 swapFree=4184496/4192956
[pid=19206] ppid=19204 vsize=11792 CPUtime=0
/proc/19206/stat : 19206 (bsolo3.0.16) R 19204 19206 18297 0 -1 4194304 366 0 0 0 0 0 0 0 18 0 1 0 156014212 12075008 334 18446744073709551615 134512640 135841103 4294956640 18446744073709551615 7284347 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19206/statm: 2948 334 281 324 0 2003 0

[startup+0.0773919 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 19206
/proc/meminfo: memFree=1661940/2055920 swapFree=4184496/4192956
[pid=19206] ppid=19204 vsize=4892 CPUtime=0.06
/proc/19206/stat : 19206 (bsolo3.0.16) R 19204 19206 18297 0 -1 4194304 668 0 0 0 6 0 0 0 18 0 1 0 156014212 5009408 622 18446744073709551615 134512640 135841103 4294956640 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19206/statm: 1222 622 332 324 0 291 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 4892

[startup+0.101393 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 19206
/proc/meminfo: memFree=1661940/2055920 swapFree=4184496/4192956
[pid=19206] ppid=19204 vsize=4924 CPUtime=0.09
/proc/19206/stat : 19206 (bsolo3.0.16) R 19204 19206 18297 0 -1 4194304 688 0 0 0 9 0 0 0 18 0 1 0 156014212 5042176 642 18446744073709551615 134512640 135841103 4294956640 18446744073709551615 135468358 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19206/statm: 1231 642 332 324 0 300 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4924

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

Child status: 0
Real time (s): 0.144951
CPU time (s): 0.142978
CPU user time (s): 0.13098
CPU system time (s): 0.011998
CPU usage (%): 98.6388
Max. virtual memory (cumulated for all children) (KiB): 4924

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.13098
system time used= 0.011998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1208
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= 0

runsolver used 0.002999 second user time and 0.004999 second system time

The end

Launcher Data (download as text)

Begin job on node55 on Fri Apr 20 14:57:22 UTC 2007

IDJOB= 372274
IDBENCH= 24960
IDSOLVER= 163
FILE ID= node55/372274-1177081042

PBS_JOBID= 4640280

Free space on /tmp= 66351 MiB

SOLVER NAME= bsolo 3.0.16
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/OPT-SMALLINT-LIN/reduced/submittedPB07/aksoy/trarea_ac/normalized-reduced-fir05_trarea_ac.opb
COMMAND LINE= bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/372274-1177081042/instance-372274-1177081042.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node55/watcher-372274-1177081042 -o ROOT/results/node55/solver-372274-1177081042 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/372274-1177081042/instance-372274-1177081042.opb            

META MD5SUM SOLVER= b11bf0769a124f73ad50b0fdfcd50482
MD5SUM BENCH=  da210e6015c5a34ffbeabe5ecb901720

RANDOM SEED= 580005976

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:       1662348 kB
Buffers:         32456 kB
Cached:         286444 kB
SwapCached:       2196 kB
Active:          98032 kB
Inactive:       231176 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1662348 kB
SwapTotal:     4192956 kB
SwapFree:      4184496 kB
Dirty:            4444 kB
Writeback:           0 kB
Mapped:          16796 kB
Slab:            50412 kB
Committed_AS:  1193788 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= 66351 MiB

End job on node55 on Fri Apr 20 14:57:22 UTC 2007