Trace number 433763

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 3.0.17OPT41202 0.494924 0.498485

General information on the benchmark

Namenormalized-PB07/OPT-BIGINT-LIN/submittedPB07/
aksoy/trarea_ac/normalized-fir04_trarea_ac.opb
MD5SUMa588ec671da067d931709859b503c557
Bench CategoryOPT-BIGINT-LIN (optimisation, big integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark41202
Best CPU time to get the best result obtained on this benchmark0.494924
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1945
Total number of constraints3355
Number of constraints which are clauses3355
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 1036
Biggest coefficient in the objective function 2072
Number of bits for the biggest coefficient in the objective function 12
Sum of the numbers in the objective function 1671510
Number of bits of the sum of numbers in the objective function 21
Biggest number in a constraint 2072
Number of bits of the biggest number in a constraint 12
Biggest sum of numbers in a constraint 1671510
Number of bits of the biggest sum of numbers21
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 3.0.17 - 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/433763-1177963453/instance-433763-1177963453.opb
0.00/0.00	c File size is 105340 bytes.
0.00/0.02	c Highest Coefficient sum: 1.67151e+06
0.00/0.02	c Parsing was ok!!
0.00/0.02	c Total parsing time: 0.019 s
0.00/0.02	c Var: 1945 Constr: 3355 3355/0/0 Lit: 8510 Watch. Lit: 6706
0.00/0.02	c Obj. Vars: 1036 (53.2648 % of total variables)
0.00/0.04	c Formula reductions applied at preprocessing
0.00/0.04	c Pre-processing Time: 0.045 s
0.29/0.39	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.29/0.39	c        0   1927     3327     8458    2     6654    1108      0      0 0.04
0.29/0.39	c Initial Lower Bound: 41196
0.29/0.39	c Initial Path Cost: 5621
0.29/0.39	o 44971	0.393
0.39/0.41	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.39/0.41	c        0   1927     3328     9488    2     7661    3168      1      0 0.39
0.39/0.41	o 41260	0.406 * 
0.39/0.44	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.39/0.44	c        0   1927     3329    10518    3     8664    5228      2      0 0.41
0.39/0.44	o 41202	0.439 * 
0.39/0.49	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.39/0.49	c        1   1927     3332    11552    3     9670    5228      5      2 0.44
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0.39/0.49	v -x1729 -x1731 -x1733 -x101 -x1737 -x102 -x1741 -x1744 -x103 -x1746 -x104 -x1751 -x1754 -x1756 -x1759 -x1761 -x1763 -x1765
0.39/0.49	v -x1767 -x1769 -x1771 -x1773 -x1775 -x1777 -x1781 -x1783 -x1785 -x1787 -x1790 -x1793 -x1796 -x1798 -x1800 -x1802 -x1804
0.39/0.49	v -x1807 -x1809 -x1811 -x1813 -x1815 -x105 -x1821 -x1823 -x106 -x1826 -x1828 -x1830 -x1833 -x1836 -x1841 -x1843 -x1846 -x1850
0.39/0.49	v -x1852 -x1854 -x1856 -x1858 -x1860 -x1863 -x1866 -x107 -x1870 -x108 -x1874 -x1878 -x1881 -x1883 -x109 -x1892 -x1894 -x110
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0.39/0.49	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.39/0.49	c    3        4      1     1373     3339    11593     12      8 0.49
0.39/0.49	c Objective: 41202
0.39/0.49	s OPTIMUM FOUND
0.39/0.49	c Total time: 0.491 s

Verifier Data (download as text)

OK	41202

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node33/watcher-433763-1177963453 -o ROOT/results/node33/solver-433763-1177963453 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.17 -m1800 /tmp/evaluation/433763-1177963453/instance-433763-1177963453.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: 1.06 1.03 0.95 3/77 8146
/proc/meminfo: memFree=1834664/2055920 swapFree=4147832/4192956
[pid=8146] ppid=8144 vsize=11840 CPUtime=0
/proc/8146/stat : 8146 (bsolo3.0.17) R 8144 8146 7341 0 -1 4194304 364 0 0 0 0 0 0 0 18 0 1 0 244260832 12124160 334 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 11380347 0 0 4096 16384 0 0 0 17 1 0 0
/proc/8146/statm: 2960 334 279 324 0 2004 0

[startup+0.0128189 s]
/proc/loadavg: 1.06 1.03 0.95 3/77 8146
/proc/meminfo: memFree=1834664/2055920 swapFree=4147832/4192956
[pid=8146] ppid=8144 vsize=4308 CPUtime=0
/proc/8146/stat : 8146 (bsolo3.0.17) R 8144 8146 7341 0 -1 4194304 435 0 0 0 0 0 0 0 18 0 1 0 244260832 4411392 405 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 11380347 0 0 4096 16384 0 0 0 17 1 0 0
/proc/8146/statm: 1077 405 292 324 0 121 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 4308

[startup+0.101837 s]
/proc/loadavg: 1.06 1.03 0.95 3/77 8146
/proc/meminfo: memFree=1834664/2055920 swapFree=4147832/4192956
[pid=8146] ppid=8144 vsize=5232 CPUtime=0.09
/proc/8146/stat : 8146 (bsolo3.0.17) R 8144 8146 7341 0 -1 4194304 771 0 0 0 8 1 0 0 18 0 1 0 244260832 5357568 715 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 11380347 0 0 4096 16384 0 0 0 17 1 0 0
/proc/8146/statm: 1308 715 334 324 0 378 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5232

[startup+0.301878 s]
/proc/loadavg: 1.06 1.03 0.95 3/77 8146
/proc/meminfo: memFree=1834664/2055920 swapFree=4147832/4192956
[pid=8146] ppid=8144 vsize=5548 CPUtime=0.29
/proc/8146/stat : 8146 (bsolo3.0.17) R 8144 8146 7341 0 -1 4194304 1557 0 0 0 28 1 0 0 19 0 1 0 244260832 5681152 796 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/8146/statm: 1387 796 334 324 0 457 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5548

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

[startup+0.401898 s]
/proc/loadavg: 1.06 1.03 0.95 3/77 8146
/proc/meminfo: memFree=1834664/2055920 swapFree=4147832/4192956
[pid=8146] ppid=8144 vsize=8236 CPUtime=0.39
/proc/8146/stat : 8146 (bsolo3.0.17) R 8144 8146 7341 0 -1 4194304 2686 0 0 0 37 2 0 0 20 0 1 0 244260832 8433664 1092 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 135265573 0 0 4096 16384 0 0 0 17 1 0 0
/proc/8146/statm: 2059 1092 393 324 0 1129 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 8236

Child status: 0
Real time (s): 0.498485
CPU time (s): 0.494924
CPU user time (s): 0.45893
CPU system time (s): 0.035994
CPU usage (%): 99.2856
Max. virtual memory (cumulated for all children) (KiB): 8236

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.45893
system time used= 0.035994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5618
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= 10

runsolver used 0.004999 second user time and 0.002999 second system time

The end

Launcher Data (download as text)

Begin job on node33 on Mon Apr 30 20:04:14 UTC 2007

IDJOB= 433763
IDBENCH= 25050
IDSOLVER= 199
FILE ID= node33/433763-1177963453

PBS_JOBID= 4727736

Free space on /tmp= 66558 MiB

SOLVER NAME= bsolo 3.0.17
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/OPT-BIGINT-LIN/submittedPB07/aksoy/trarea_ac/normalized-fir04_trarea_ac.opb
COMMAND LINE= bsolo3.0.17 -m1800 /tmp/evaluation/433763-1177963453/instance-433763-1177963453.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node33/watcher-433763-1177963453 -o ROOT/results/node33/solver-433763-1177963453 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.17 -m1800 /tmp/evaluation/433763-1177963453/instance-433763-1177963453.opb            

META MD5SUM SOLVER= c9b15312c639dd71a11a1e3ca1b27020
MD5SUM BENCH=  a588ec671da067d931709859b503c557

RANDOM SEED= 832041046

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node33.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		: 3000.272
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		: 3000.272
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:       1835264 kB
Buffers:         26732 kB
Cached:         105940 kB
SwapCached:      13868 kB
Active:          82304 kB
Inactive:        74512 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1835264 kB
SwapTotal:     4192956 kB
SwapFree:      4147832 kB
Dirty:            6752 kB
Writeback:           0 kB
Mapped:          31116 kB
Slab:            49148 kB
Committed_AS:  1930664 kB
PageTables:       1996 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= 66558 MiB

End job on node33 on Mon Apr 30 20:04:14 UTC 2007