Trace number 453992

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 1.4OPT-15 17.5603 17.5772

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
manquinho/mis/normalized-mis_100_25_4.opb
MD5SUMe7bb8414272ccdbf28db7bd22cc751df
Bench CategoryOPT-SMALLINT-NLC (optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-15
Best CPU time to get the best result obtained on this benchmark17.5603
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function -15
Optimality of the best value was proved YES
Number of variables100
Total number of constraints100
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 constraints100
Minimum length of a constraint25
Maximum length of a constraint40
Number of terms in the objective function 100
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 100
Number of bits of the sum of numbers in the objective function 7
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 100
Number of bits of the biggest sum of numbers7
Number of products (including duplicates)3070
Sum of products size (including duplicates)6140
Number of different products1535
Sum of products size3070

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 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
0.04/0.06	c starting to Solve
0.04/0.06	c #variables read: 1635 - #constraints read: 3271
0.04/0.06	o 0
0.04/0.06	o 1
0.04/0.06	o 2
0.04/0.06	o 3
0.04/0.06	o 4
0.04/0.06	o 5
0.04/0.06	o 6
0.04/0.06	o 7
0.04/0.07	o 8
0.04/0.07	o 9
0.04/0.08	o 10
0.04/0.08	o 11
0.19/0.21	o 12
0.39/0.40	o 13
1.09/1.18	o 14
13.48/13.54	o 15
17.48/17.57	c optimum objective found = 15
17.48/17.57	c total time              : 17.55 s
17.48/17.57	s OPTIMUM FOUND
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Verifier Data (download as text)

OK	-15

Conversion Script Data (download as text)

Linearizing /tmp/evaluation/453992-1178019352/instance-453992-1178019352.opb

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node69/watcher-453992-1178019352 -o ROOT/results/node69/solver-453992-1178019352 -C 1800 -W 3600 -M 1800 --output-limit 1,15 Pueblo /tmp/evaluation/453992-1178019352/instance-453992-1178019352.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: 0.86 1.09 1.10 3/64 7986
/proc/meminfo: memFree=1884620/2055920 swapFree=4182940/4192956
[pid=7986] ppid=7984 vsize=2552 CPUtime=0
/proc/7986/stat : 7986 (Pueblo) R 7984 7986 7846 0 -1 4194304 263 0 0 0 0 0 0 0 18 0 1 0 277924611 2613248 234 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 12418775 0 0 4096 0 0 0 0 17 1 0 0
/proc/7986/statm: 638 234 199 16 0 77 0

[startup+0.0510219 s]
/proc/loadavg: 0.86 1.09 1.10 3/64 7986
/proc/meminfo: memFree=1884620/2055920 swapFree=4182940/4192956
[pid=7986] ppid=7984 vsize=3372 CPUtime=0.04
/proc/7986/stat : 7986 (Pueblo) R 7984 7986 7846 0 -1 4194304 465 0 0 0 4 0 0 0 18 0 1 0 277924611 3452928 437 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134553541 0 0 4096 0 0 0 0 17 1 0 0
/proc/7986/statm: 843 437 200 16 0 282 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 3372

[startup+0.101029 s]
/proc/loadavg: 0.86 1.09 1.10 3/64 7986
/proc/meminfo: memFree=1884620/2055920 swapFree=4182940/4192956
[pid=7986] ppid=7984 vsize=3904 CPUtime=0.09
/proc/7986/stat : 7986 (Pueblo) R 7984 7986 7846 0 -1 4194304 622 0 0 0 9 0 0 0 18 0 1 0 277924611 3997696 593 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/7986/statm: 976 593 205 16 0 415 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3904

[startup+0.301061 s]
/proc/loadavg: 0.86 1.09 1.10 3/64 7986
/proc/meminfo: memFree=1884620/2055920 swapFree=4182940/4192956
[pid=7986] ppid=7984 vsize=4164 CPUtime=0.29
/proc/7986/stat : 7986 (Pueblo) R 7984 7986 7846 0 -1 4194304 689 0 0 0 29 0 0 0 19 0 1 0 277924611 4263936 660 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/7986/statm: 1041 660 205 16 0 480 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4164

[startup+0.702125 s]
/proc/loadavg: 0.86 1.09 1.10 3/64 7986
/proc/meminfo: memFree=1884620/2055920 swapFree=4182940/4192956
[pid=7986] ppid=7984 vsize=5080 CPUtime=0.69
/proc/7986/stat : 7986 (Pueblo) R 7984 7986 7846 0 -1 4194304 897 0 0 0 69 0 0 0 23 0 1 0 277924611 5201920 868 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134523429 0 0 4096 0 0 0 0 17 1 0 0
/proc/7986/statm: 1270 868 205 16 0 709 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5080

[startup+1.50125 s]
/proc/loadavg: 0.86 1.09 1.10 2/65 7987
/proc/meminfo: memFree=1881732/2055920 swapFree=4182940/4192956
[pid=7986] ppid=7984 vsize=5456 CPUtime=1.49
/proc/7986/stat : 7986 (Pueblo) R 7984 7986 7846 0 -1 4194304 1002 0 0 0 149 0 0 0 25 0 1 0 277924611 5586944 973 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134527821 0 0 4096 0 0 0 0 17 1 0 0
/proc/7986/statm: 1364 973 205 16 0 803 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5456

[startup+3.10151 s]
/proc/loadavg: 0.86 1.09 1.10 2/65 7987
/proc/meminfo: memFree=1881092/2055920 swapFree=4182940/4192956
[pid=7986] ppid=7984 vsize=5856 CPUtime=3.09
/proc/7986/stat : 7986 (Pueblo) R 7984 7986 7846 0 -1 4194304 1093 0 0 0 308 1 0 0 25 0 1 0 277924611 5996544 1064 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134522377 0 0 4096 0 0 0 0 17 1 0 0
/proc/7986/statm: 1464 1064 205 16 0 903 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 5856

[startup+6.30103 s]
/proc/loadavg: 0.87 1.09 1.10 2/65 7987
/proc/meminfo: memFree=1880652/2055920 swapFree=4182940/4192956
[pid=7986] ppid=7984 vsize=6244 CPUtime=6.28
/proc/7986/stat : 7986 (Pueblo) R 7984 7986 7846 0 -1 4194304 1200 0 0 0 627 1 0 0 25 0 1 0 277924611 6393856 1171 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/7986/statm: 1561 1171 205 16 0 1000 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 6244

[startup+12.7011 s]
/proc/loadavg: 0.88 1.08 1.10 2/65 7987
/proc/meminfo: memFree=1880012/2055920 swapFree=4182940/4192956
[pid=7986] ppid=7984 vsize=6860 CPUtime=12.68
/proc/7986/stat : 7986 (Pueblo) R 7984 7986 7846 0 -1 4194304 1344 0 0 0 1266 2 0 0 25 0 1 0 277924611 7024640 1315 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/7986/statm: 1715 1315 205 16 0 1154 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 6860

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

[startup+15.9016 s]
/proc/loadavg: 0.89 1.08 1.10 2/65 7987
/proc/meminfo: memFree=1879948/2055920 swapFree=4182940/4192956
[pid=7986] ppid=7984 vsize=6980 CPUtime=15.88
/proc/7986/stat : 7986 (Pueblo) R 7984 7986 7846 0 -1 4194304 1364 0 0 0 1585 3 0 0 25 0 1 0 277924611 7147520 1335 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/7986/statm: 1745 1335 205 16 0 1184 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 6980

[startup+16.7017 s]
/proc/loadavg: 0.89 1.08 1.10 2/65 7987
/proc/meminfo: memFree=1879948/2055920 swapFree=4182940/4192956
[pid=7986] ppid=7984 vsize=6980 CPUtime=16.68
/proc/7986/stat : 7986 (Pueblo) R 7984 7986 7846 0 -1 4194304 1364 0 0 0 1665 3 0 0 25 0 1 0 277924611 7147520 1335 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/7986/statm: 1745 1335 205 16 0 1184 0
Current children cumulated CPU time (s) 16.68
Current children cumulated vsize (KiB) 6980

[startup+17.1018 s]
/proc/loadavg: 0.89 1.08 1.10 2/65 7987
/proc/meminfo: memFree=1879948/2055920 swapFree=4182940/4192956
[pid=7986] ppid=7984 vsize=6980 CPUtime=17.08
/proc/7986/stat : 7986 (Pueblo) R 7984 7986 7846 0 -1 4194304 1364 0 0 0 1705 3 0 0 25 0 1 0 277924611 7147520 1335 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/7986/statm: 1745 1335 205 16 0 1184 0
Current children cumulated CPU time (s) 17.08
Current children cumulated vsize (KiB) 6980

[startup+17.5018 s]
/proc/loadavg: 0.89 1.08 1.10 2/65 7987
/proc/meminfo: memFree=1879948/2055920 swapFree=4182940/4192956
[pid=7986] ppid=7984 vsize=6980 CPUtime=17.48
/proc/7986/stat : 7986 (Pueblo) R 7984 7986 7846 0 -1 4194304 1367 0 0 0 1745 3 0 0 25 0 1 0 277924611 7147520 1338 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/7986/statm: 1745 1338 205 16 0 1184 0
Current children cumulated CPU time (s) 17.48
Current children cumulated vsize (KiB) 6980

Child status: 30
Real time (s): 17.5772
CPU time (s): 17.5603
CPU user time (s): 17.5233
CPU system time (s): 0.036994
CPU usage (%): 99.9039
Max. virtual memory (cumulated for all children) (KiB): 6992

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 17.5233
system time used= 0.036994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1374
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= 52

runsolver used 0.011998 second user time and 0.046992 second system time

The end

Launcher Data (download as text)

Begin job on node69 on Tue May  1 11:35:52 UTC 2007

IDJOB= 453992
IDBENCH= 48167
IDSOLVER= 165
FILE ID= node69/453992-1178019352

PBS_JOBID= 4728363

Free space on /tmp= 66560 MiB

SOLVER NAME= Pueblo 1.4
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/manquinho/mis/normalized-mis_100_25_4.opb
COMMAND LINE= Pueblo /tmp/evaluation/453992-1178019352/instance-453992-1178019352.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node69/convwatcher-453992-1178019352 -o ROOT/results/node69/conversion-453992-1178019352 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/453992-1178019352/instance-453992-1178019352.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node69/watcher-453992-1178019352 -o ROOT/results/node69/solver-453992-1178019352 -C 1800 -W 3600 -M 1800 --output-limit 1,15  Pueblo /tmp/evaluation/453992-1178019352/instance-453992-1178019352.opb

META MD5SUM SOLVER= 9ebec3e8d890fdeefad01654ad9b68b7
MD5SUM BENCH=  e7bb8414272ccdbf28db7bd22cc751df

RANDOM SEED= 299462701

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node69.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		: 3000.264
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	: 5931.00
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		: 3000.264
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:       1885092 kB
Buffers:         40468 kB
Cached:          63492 kB
SwapCached:       3820 kB
Active:          65784 kB
Inactive:        48052 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1885092 kB
SwapTotal:     4192956 kB
SwapFree:      4182940 kB
Dirty:            2712 kB
Writeback:           0 kB
Mapped:          15328 kB
Slab:            42996 kB
Committed_AS:  4497604 kB
PageTables:       1472 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= 66560 MiB

End job on node69 on Tue May  1 11:36:10 UTC 2007