Trace number 373312

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 1.4OPT29 41.7626 41.7768

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-LIN/submittedPB07/
aksoy/area_opers/normalized-fir04_area_opers.opb
MD5SUMe746daa468953b69c2293c7909733538
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark29
Best CPU time to get the best result obtained on this benchmark0.285956
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 29
Optimality of the best value was proved YES
Number of variables1614
Total number of constraints2783
Number of constraints which are clauses2783
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 constraint31
Number of terms in the objective function 879
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 879
Number of bits of the sum of numbers in the objective function 10
Biggest number in a constraint 2
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 879
Number of bits of the biggest sum of numbers10
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 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
0.03/0.04	c starting to Solve
0.03/0.04	c #variables read: 1614 - #constraints read: 2781
0.03/0.04	o 43
0.03/0.06	o 42
0.03/0.09	o 41
0.19/0.21	o 40
0.19/0.28	o 39
0.39/0.43	o 35
0.39/0.43	o 34
0.39/0.44	o 33
0.49/0.54	o 32
0.59/0.68	o 31
1.29/1.31	o 30
5.79/5.83	o 29
41.69/41.77	c optimum objective found = 29
41.69/41.77	c total time              : 41.76 s
41.69/41.77	s OPTIMUM FOUND
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41.69/41.77	v -x1439 -x1441 -x1443 -x1447 -x1450 -x1453 -x1455 -x70 -x1460 -x71 -x1463 -x1466 -x1469 -x1474 -x1476 -x1479 -x1482 -x1484
41.69/41.77	v -x1486 -x1489 -x1494 -x72 -x1497 -x1500 -x1504 -x73 -x1508 -x74 -x1513 -x1516 -x1518 -x1523 -x75 -x1528 -x1530 -x1532 -x1537
41.69/41.77	v -x1539 -x1543 -x1545 -x1547 -x1549 -x1554 -x1556 -x76 -x1559 -x1561 -x1565 -x1567 -x1569 -x1571 -x1574 -x1578 -x1580 -x1583
41.69/41.77	v -x1585 -x77 -x1588 -x78 -x1590 -x79 -x1594 -x1596 -x1602 -x80 -x1608 -x81

Verifier Data (download as text)

OK	29

Conversion Script Data (download as text)

/tmp/evaluation/373312-1177365173/instance-373312-1177365173.opb is already a linear file

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node50/watcher-373312-1177365173 -o ROOT/results/node50/solver-373312-1177365173 -C 1800 -W 3600 -M 1800 --output-limit 1,15 Pueblo /tmp/evaluation/373312-1177365173/instance-373312-1177365173.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: 0.57 0.74 0.84 3/64 4899
/proc/meminfo: memFree=1834728/2055920 swapFree=4183824/4192956
[pid=4899] ppid=4897 vsize=2552 CPUtime=0
/proc/4899/stat : 4899 (Pueblo) R 4897 4899 4222 0 -1 4194304 254 0 0 0 0 0 0 0 18 0 1 0 91362503 2613248 226 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 8384215 0 0 4096 0 0 0 0 17 1 0 0
/proc/4899/statm: 638 226 193 16 0 77 0

[startup+0.0398099 s]
/proc/loadavg: 0.57 0.74 0.84 3/64 4899
/proc/meminfo: memFree=1834728/2055920 swapFree=4183824/4192956
[pid=4899] ppid=4897 vsize=3220 CPUtime=0.03
/proc/4899/stat : 4899 (Pueblo) R 4897 4899 4222 0 -1 4194304 444 0 0 0 3 0 0 0 18 0 1 0 91362503 3297280 416 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 134550157 0 0 4096 0 0 0 0 17 1 0 0
/proc/4899/statm: 805 416 203 16 0 244 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 3220

[startup+0.101816 s]
/proc/loadavg: 0.57 0.74 0.84 3/64 4899
/proc/meminfo: memFree=1834728/2055920 swapFree=4183824/4192956
[pid=4899] ppid=4897 vsize=3752 CPUtime=0.09
/proc/4899/stat : 4899 (Pueblo) R 4897 4899 4222 0 -1 4194304 577 0 0 0 9 0 0 0 18 0 1 0 91362503 3842048 549 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 134522755 0 0 4096 0 0 0 0 17 1 0 0
/proc/4899/statm: 938 549 205 16 0 377 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3752

[startup+0.301833 s]
/proc/loadavg: 0.57 0.74 0.84 3/64 4899
/proc/meminfo: memFree=1834728/2055920 swapFree=4183824/4192956
[pid=4899] ppid=4897 vsize=4832 CPUtime=0.29
/proc/4899/stat : 4899 (Pueblo) R 4897 4899 4222 0 -1 4194304 825 0 0 0 29 0 0 0 19 0 1 0 91362503 4947968 797 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 134533506 0 0 4096 0 0 0 0 17 1 0 0
/proc/4899/statm: 1208 797 205 16 0 647 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4832

[startup+0.701868 s]
/proc/loadavg: 0.57 0.74 0.84 3/64 4899
/proc/meminfo: memFree=1834728/2055920 swapFree=4183824/4192956
[pid=4899] ppid=4897 vsize=5356 CPUtime=0.69
/proc/4899/stat : 4899 (Pueblo) R 4897 4899 4222 0 -1 4194304 956 0 0 0 69 0 0 0 22 0 1 0 91362503 5484544 928 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 134522744 0 0 4096 0 0 0 0 17 1 0 0
/proc/4899/statm: 1339 928 205 16 0 778 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5356

[startup+1.50194 s]
/proc/loadavg: 0.57 0.74 0.84 2/65 4900
/proc/meminfo: memFree=1831776/2055920 swapFree=4183824/4192956
[pid=4899] ppid=4897 vsize=5752 CPUtime=1.49
/proc/4899/stat : 4899 (Pueblo) R 4897 4899 4222 0 -1 4194304 1092 0 0 0 149 0 0 0 25 0 1 0 91362503 5890048 1037 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/4899/statm: 1438 1037 205 16 0 877 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5752

[startup+3.10208 s]
/proc/loadavg: 0.57 0.74 0.84 2/65 4900
/proc/meminfo: memFree=1831008/2055920 swapFree=4183824/4192956
[pid=4899] ppid=4897 vsize=6360 CPUtime=3.09
/proc/4899/stat : 4899 (Pueblo) R 4897 4899 4222 0 -1 4194304 1322 0 0 0 309 0 0 0 25 0 1 0 91362503 6512640 1209 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 134532838 0 0 4096 0 0 0 0 17 1 0 0
/proc/4899/statm: 1590 1209 205 16 0 1029 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6360

[startup+6.30136 s]
/proc/loadavg: 0.61 0.75 0.84 2/65 4900
/proc/meminfo: memFree=1829536/2055920 swapFree=4183824/4192956
[pid=4899] ppid=4897 vsize=7508 CPUtime=6.29
/proc/4899/stat : 4899 (Pueblo) R 4897 4899 4222 0 -1 4194304 1767 0 0 0 628 1 0 0 25 0 1 0 91362503 7688192 1499 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/4899/statm: 1877 1499 205 16 0 1316 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7508

[startup+12.7019 s]
/proc/loadavg: 0.64 0.75 0.84 2/65 4900
/proc/meminfo: memFree=1828392/2055920 swapFree=4183824/4192956
[pid=4899] ppid=4897 vsize=8312 CPUtime=12.68
/proc/4899/stat : 4899 (Pueblo) R 4897 4899 4222 0 -1 4194304 2024 0 0 0 1267 1 0 0 25 0 1 0 91362503 8511488 1668 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/4899/statm: 2078 1668 205 16 0 1517 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 8312

[startup+25.501 s]
/proc/loadavg: 0.72 0.76 0.84 2/65 4900
/proc/meminfo: memFree=1826152/2055920 swapFree=4183824/4192956
[pid=4899] ppid=4897 vsize=10596 CPUtime=25.48
/proc/4899/stat : 4899 (Pueblo) R 4897 4899 4222 0 -1 4194304 2929 0 0 0 2545 3 0 0 25 0 1 0 91362503 10850304 2264 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/4899/statm: 2649 2264 205 16 0 2088 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 10596

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

[startup+31.9056 s]
/proc/loadavg: 0.74 0.77 0.84 2/65 4900
/proc/meminfo: memFree=1826152/2055920 swapFree=4183824/4192956
[pid=4899] ppid=4897 vsize=10596 CPUtime=31.89
/proc/4899/stat : 4899 (Pueblo) R 4897 4899 4222 0 -1 4194304 2929 0 0 0 3185 4 0 0 25 0 1 0 91362503 10850304 2264 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 134527750 0 0 4096 0 0 0 0 17 1 0 0
/proc/4899/statm: 2649 2264 205 16 0 2088 0
Current children cumulated CPU time (s) 31.89
Current children cumulated vsize (KiB) 10596

[startup+38.3012 s]
/proc/loadavg: 0.76 0.77 0.84 2/65 4900
/proc/meminfo: memFree=1826152/2055920 swapFree=4183824/4192956
[pid=4899] ppid=4897 vsize=10868 CPUtime=38.28
/proc/4899/stat : 4899 (Pueblo) R 4897 4899 4222 0 -1 4194304 2997 0 0 0 3823 5 0 0 25 0 1 0 91362503 11128832 2332 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 134527715 0 0 4096 0 0 0 0 17 1 0 0
/proc/4899/statm: 2717 2332 205 16 0 2156 0
Current children cumulated CPU time (s) 38.28
Current children cumulated vsize (KiB) 10868

[startup+39.9013 s]
/proc/loadavg: 0.78 0.77 0.84 2/65 4900
/proc/meminfo: memFree=1825832/2055920 swapFree=4183824/4192956
[pid=4899] ppid=4897 vsize=10868 CPUtime=39.88
/proc/4899/stat : 4899 (Pueblo) R 4897 4899 4222 0 -1 4194304 2997 0 0 0 3983 5 0 0 25 0 1 0 91362503 11128832 2332 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 134527737 0 0 4096 0 0 0 0 17 1 0 0
/proc/4899/statm: 2717 2332 205 16 0 2156 0
Current children cumulated CPU time (s) 39.88
Current children cumulated vsize (KiB) 10868

[startup+40.7054 s]
/proc/loadavg: 0.78 0.77 0.84 2/65 4900
/proc/meminfo: memFree=1825832/2055920 swapFree=4183824/4192956
[pid=4899] ppid=4897 vsize=10728 CPUtime=40.68
/proc/4899/stat : 4899 (Pueblo) R 4897 4899 4222 0 -1 4194304 2997 0 0 0 4063 5 0 0 25 0 1 0 91362503 10985472 2303 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 134516861 0 0 4096 0 0 0 0 17 1 0 0
/proc/4899/statm: 2682 2303 205 16 0 2121 0
Current children cumulated CPU time (s) 40.68
Current children cumulated vsize (KiB) 10728

[startup+41.5015 s]
/proc/loadavg: 0.78 0.77 0.84 2/65 4900
/proc/meminfo: memFree=1825832/2055920 swapFree=4183824/4192956
[pid=4899] ppid=4897 vsize=10728 CPUtime=41.48
/proc/4899/stat : 4899 (Pueblo) R 4897 4899 4222 0 -1 4194304 2997 0 0 0 4142 6 0 0 25 0 1 0 91362503 10985472 2303 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 134517890 0 0 4096 0 0 0 0 17 1 0 0
/proc/4899/statm: 2682 2303 205 16 0 2121 0
Current children cumulated CPU time (s) 41.48
Current children cumulated vsize (KiB) 10728

[startup+41.7015 s]
/proc/loadavg: 0.78 0.77 0.84 2/65 4900
/proc/meminfo: memFree=1825832/2055920 swapFree=4183824/4192956
[pid=4899] ppid=4897 vsize=10728 CPUtime=41.69
/proc/4899/stat : 4899 (Pueblo) R 4897 4899 4222 0 -1 4194304 2997 0 0 0 4163 6 0 0 25 0 1 0 91362503 10985472 2303 18446744073709551615 134512640 134579096 4294956592 18446744073709551615 134523976 0 0 4096 0 0 0 0 17 1 0 0
/proc/4899/statm: 2682 2303 205 16 0 2121 0
Current children cumulated CPU time (s) 41.69
Current children cumulated vsize (KiB) 10728

Child status: 30
Real time (s): 41.7768
CPU time (s): 41.7626
CPU user time (s): 41.6997
CPU system time (s): 0.06299
CPU usage (%): 99.9661
Max. virtual memory (cumulated for all children) (KiB): 10868

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 41.6997
system time used= 0.06299
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3004
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= 15
involuntary context switches= 126

runsolver used 0.030995 second user time and 0.089986 second system time

The end

Launcher Data (download as text)

Begin job on node50 on Mon Apr 23 21:52:53 UTC 2007

IDJOB= 373312
IDBENCH= 25034
IDSOLVER= 165
FILE ID= node50/373312-1177365173

PBS_JOBID= 4675230

Free space on /tmp= 66506 MiB

SOLVER NAME= Pueblo 1.4
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/OPT-SMALLINT-LIN/submittedPB07/aksoy/area_opers/normalized-fir04_area_opers.opb
COMMAND LINE= Pueblo /tmp/evaluation/373312-1177365173/instance-373312-1177365173.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node50/convwatcher-373312-1177365173 -o ROOT/results/node50/conversion-373312-1177365173 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/373312-1177365173/instance-373312-1177365173.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node50/watcher-373312-1177365173 -o ROOT/results/node50/solver-373312-1177365173 -C 1800 -W 3600 -M 1800 --output-limit 1,15  Pueblo /tmp/evaluation/373312-1177365173/instance-373312-1177365173.opb

META MD5SUM SOLVER= 9ebec3e8d890fdeefad01654ad9b68b7
MD5SUM BENCH=  e746daa468953b69c2293c7909733538

RANDOM SEED= 86396823

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node50.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		: 3000.232
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		: 3000.232
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:       1835200 kB
Buffers:         35156 kB
Cached:         118292 kB
SwapCached:       3224 kB
Active:          68272 kB
Inactive:        95516 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1835200 kB
SwapTotal:     4192956 kB
SwapFree:      4183824 kB
Dirty:            2380 kB
Writeback:           0 kB
Mapped:          16256 kB
Slab:            42864 kB
Committed_AS:  2887744 kB
PageTables:       1464 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= 66506 MiB

End job on node50 on Mon Apr 23 21:53:35 UTC 2007