Trace number 454202

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 16.4305 16.4391

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
manquinho/mis/normalized-mis_100_25_2.opb
MD5SUMfdcfb05eaa099feeb8cfb1f8f1c05926
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 benchmark9.8815
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 constraint45
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)3074
Sum of products size (including duplicates)6148
Number of different products1537
Sum of products size3074

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
0.00/0.06	c starting to Solve
0.00/0.06	c #variables read: 1637 - #constraints read: 3275
0.00/0.06	o 0
0.00/0.06	o 1
0.00/0.06	o 2
0.00/0.06	o 3
0.00/0.06	o 4
0.00/0.06	o 5
0.00/0.07	o 6
0.00/0.07	o 7
0.00/0.07	o 8
0.00/0.07	o 9
0.00/0.07	o 10
0.00/0.08	o 11
0.09/0.14	o 12
0.09/0.18	o 13
0.19/0.23	o 14
3.19/3.25	o 15
16.38/16.43	c optimum objective found = 15
16.38/16.43	c total time              : 16.42 s
16.38/16.43	s OPTIMUM FOUND
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Verifier Data (download as text)

OK	-15

Conversion Script Data (download as text)

Linearizing /tmp/evaluation/454202-1178022605/instance-454202-1178022605.opb

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node3/watcher-454202-1178022605 -o ROOT/results/node3/solver-454202-1178022605 -C 1800 -W 3600 -M 1800 --output-limit 1,15 Pueblo /tmp/evaluation/454202-1178022605/instance-454202-1178022605.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: 0.88 0.95 0.98 3/77 21357
/proc/meminfo: memFree=1829024/2055920 swapFree=4139036/4192956
[pid=21357] ppid=21355 vsize=2552 CPUtime=0
/proc/21357/stat : 21357 (Pueblo) R 21355 21357 20862 0 -1 4194304 267 0 0 0 0 0 0 0 18 0 1 0 278298236 2613248 238 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 11390679 0 0 4096 0 0 0 0 17 1 0 0
/proc/21357/statm: 638 238 199 16 0 77 0

[startup+0.102965 s]
/proc/loadavg: 0.88 0.95 0.98 3/77 21357
/proc/meminfo: memFree=1829024/2055920 swapFree=4139036/4192956
[pid=21357] ppid=21355 vsize=3904 CPUtime=0.09
/proc/21357/stat : 21357 (Pueblo) R 21355 21357 20862 0 -1 4194304 623 0 0 0 9 0 0 0 18 0 1 0 278298236 3997696 594 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/21357/statm: 976 594 205 16 0 415 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3904

[startup+0.201979 s]
/proc/loadavg: 0.88 0.95 0.98 3/77 21357
/proc/meminfo: memFree=1829024/2055920 swapFree=4139036/4192956
[pid=21357] ppid=21355 vsize=3904 CPUtime=0.19
/proc/21357/stat : 21357 (Pueblo) R 21355 21357 20862 0 -1 4194304 628 0 0 0 19 0 0 0 18 0 1 0 278298236 3997696 599 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/21357/statm: 976 599 205 16 0 415 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 3904

[startup+0.301996 s]
/proc/loadavg: 0.88 0.95 0.98 3/77 21357
/proc/meminfo: memFree=1829024/2055920 swapFree=4139036/4192956
[pid=21357] ppid=21355 vsize=4168 CPUtime=0.29
/proc/21357/stat : 21357 (Pueblo) R 21355 21357 20862 0 -1 4194304 685 0 0 0 29 0 0 0 19 0 1 0 278298236 4268032 656 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/21357/statm: 1042 656 205 16 0 481 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4168

[startup+0.701061 s]
/proc/loadavg: 0.88 0.95 0.98 3/77 21357
/proc/meminfo: memFree=1829024/2055920 swapFree=4139036/4192956
[pid=21357] ppid=21355 vsize=4952 CPUtime=0.69
/proc/21357/stat : 21357 (Pueblo) R 21355 21357 20862 0 -1 4194304 880 0 0 0 69 0 0 0 23 0 1 0 278298236 5070848 851 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134527196 0 0 4096 0 0 0 0 17 1 0 0
/proc/21357/statm: 1238 851 205 16 0 677 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4952

[startup+1.50119 s]
/proc/loadavg: 0.89 0.95 0.98 3/78 21358
/proc/meminfo: memFree=1826072/2055920 swapFree=4139036/4192956
[pid=21357] ppid=21355 vsize=5588 CPUtime=1.49
/proc/21357/stat : 21357 (Pueblo) R 21355 21357 20862 0 -1 4194304 1024 0 0 0 149 0 0 0 25 0 1 0 278298236 5722112 995 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/21357/statm: 1397 995 205 16 0 836 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5588

[startup+3.10246 s]
/proc/loadavg: 0.89 0.95 0.98 2/78 21358
/proc/meminfo: memFree=1825624/2055920 swapFree=4139036/4192956
[pid=21357] ppid=21355 vsize=5940 CPUtime=3.09
/proc/21357/stat : 21357 (Pueblo) R 21355 21357 20862 0 -1 4194304 1110 0 0 0 308 1 0 0 25 0 1 0 278298236 6082560 1081 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/21357/statm: 1485 1081 205 16 0 924 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 5940

[startup+6.30197 s]
/proc/loadavg: 0.89 0.95 0.98 2/78 21358
/proc/meminfo: memFree=1824920/2055920 swapFree=4139036/4192956
[pid=21357] ppid=21355 vsize=6320 CPUtime=6.28
/proc/21357/stat : 21357 (Pueblo) R 21355 21357 20862 0 -1 4194304 1205 0 0 0 627 1 0 0 25 0 1 0 278298236 6471680 1176 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/21357/statm: 1580 1176 205 16 0 1019 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 6320

[startup+12.702 s]
/proc/loadavg: 0.91 0.96 0.98 2/78 21358
/proc/meminfo: memFree=1824344/2055920 swapFree=4139036/4192956
[pid=21357] ppid=21355 vsize=6824 CPUtime=12.68
/proc/21357/stat : 21357 (Pueblo) R 21355 21357 20862 0 -1 4194304 1332 0 0 0 1266 2 0 0 25 0 1 0 278298236 6987776 1303 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134557374 0 0 4096 0 0 0 0 17 1 0 0
/proc/21357/statm: 1706 1303 205 16 0 1145 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 6824

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

[startup+12.803 s]
/proc/loadavg: 0.91 0.96 0.98 2/78 21358
/proc/meminfo: memFree=1824344/2055920 swapFree=4139036/4192956
[pid=21357] ppid=21355 vsize=6824 CPUtime=12.79
/proc/21357/stat : 21357 (Pueblo) R 21355 21357 20862 0 -1 4194304 1332 0 0 0 1277 2 0 0 25 0 1 0 278298236 6987776 1303 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 11358588 0 0 4096 0 0 0 0 17 1 0 0
/proc/21357/statm: 1706 1303 205 16 0 1145 0
Current children cumulated CPU time (s) 12.79
Current children cumulated vsize (KiB) 6824

[startup+14.4053 s]
/proc/loadavg: 0.91 0.96 0.98 2/78 21358
/proc/meminfo: memFree=1824152/2055920 swapFree=4139036/4192956
[pid=21357] ppid=21355 vsize=6824 CPUtime=14.38
/proc/21357/stat : 21357 (Pueblo) R 21355 21357 20862 0 -1 4194304 1342 0 0 0 1436 2 0 0 25 0 1 0 278298236 6987776 1313 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/21357/statm: 1706 1313 205 16 0 1145 0
Current children cumulated CPU time (s) 14.38
Current children cumulated vsize (KiB) 6824

[startup+15.2014 s]
/proc/loadavg: 0.91 0.96 0.98 2/78 21358
/proc/meminfo: memFree=1824152/2055920 swapFree=4139036/4192956
[pid=21357] ppid=21355 vsize=6824 CPUtime=15.18
/proc/21357/stat : 21357 (Pueblo) R 21355 21357 20862 0 -1 4194304 1346 0 0 0 1515 3 0 0 25 0 1 0 278298236 6987776 1317 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/21357/statm: 1706 1317 205 16 0 1145 0
Current children cumulated CPU time (s) 15.18
Current children cumulated vsize (KiB) 6824

[startup+16.0015 s]
/proc/loadavg: 0.91 0.96 0.98 2/78 21358
/proc/meminfo: memFree=1824152/2055920 swapFree=4139036/4192956
[pid=21357] ppid=21355 vsize=6928 CPUtime=15.98
/proc/21357/stat : 21357 (Pueblo) R 21355 21357 20862 0 -1 4194304 1353 0 0 0 1595 3 0 0 25 0 1 0 278298236 7094272 1324 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 134528360 0 0 4096 0 0 0 0 17 1 0 0
/proc/21357/statm: 1732 1324 205 16 0 1171 0
Current children cumulated CPU time (s) 15.98
Current children cumulated vsize (KiB) 6928

[startup+16.4016 s]
/proc/loadavg: 0.91 0.96 0.98 2/78 21358
/proc/meminfo: memFree=1824152/2055920 swapFree=4139036/4192956
[pid=21357] ppid=21355 vsize=6908 CPUtime=16.38
/proc/21357/stat : 21357 (Pueblo) R 21355 21357 20862 0 -1 4194304 1353 0 0 0 1635 3 0 0 25 0 1 0 278298236 7073792 1324 18446744073709551615 134512640 134579096 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/21357/statm: 1727 1324 205 16 0 1166 0
Current children cumulated CPU time (s) 16.38
Current children cumulated vsize (KiB) 6908

Child status: 30
Real time (s): 16.4391
CPU time (s): 16.4305
CPU user time (s): 16.3925
CPU system time (s): 0.037994
CPU usage (%): 99.9477
Max. virtual memory (cumulated for all children) (KiB): 6928

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 16.3925
system time used= 0.037994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1360
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= 16
involuntary context switches= 341

runsolver used 0.017997 second user time and 0.043993 second system time

The end

Launcher Data (download as text)

Begin job on node3 on Tue May  1 12:30:05 UTC 2007

IDJOB= 454202
IDBENCH= 48181
IDSOLVER= 165
FILE ID= node3/454202-1178022605

PBS_JOBID= 4728379

Free space on /tmp= 66562 MiB

SOLVER NAME= Pueblo 1.4
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/manquinho/mis/normalized-mis_100_25_2.opb
COMMAND LINE= Pueblo /tmp/evaluation/454202-1178022605/instance-454202-1178022605.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node3/convwatcher-454202-1178022605 -o ROOT/results/node3/conversion-454202-1178022605 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/454202-1178022605/instance-454202-1178022605.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node3/watcher-454202-1178022605 -o ROOT/results/node3/solver-454202-1178022605 -C 1800 -W 3600 -M 1800 --output-limit 1,15  Pueblo /tmp/evaluation/454202-1178022605/instance-454202-1178022605.opb

META MD5SUM SOLVER= 9ebec3e8d890fdeefad01654ad9b68b7
MD5SUM BENCH=  fdcfb05eaa099feeb8cfb1f8f1c05926

RANDOM SEED= 90760352

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node3.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		: 3000.270
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		: 3000.270
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:       1829368 kB
Buffers:         44864 kB
Cached:         100940 kB
SwapCached:      16784 kB
Active:         108168 kB
Inactive:        63412 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1829368 kB
SwapTotal:     4192956 kB
SwapFree:      4139036 kB
Dirty:            2488 kB
Writeback:           0 kB
Mapped:          32492 kB
Slab:            40472 kB
Committed_AS:  8420236 kB
PageTables:       1784 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= 66562 MiB

End job on node3 on Tue May  1 12:30:22 UTC 2007