Trace number 454359

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
PBS4 2007-03-23OPT-14 77.3902 77.4202

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
manquinho/mis/normalized-mis_100_25_3.opb
MD5SUM7197f7f0f9b455050f9ff30066ca0a9a
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-14
Best CPU time to get the best result obtained on this benchmark14.3898
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function -14
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)3090
Sum of products size (including duplicates)6180
Number of different products1545
Sum of products size3090

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 PBS v4 by Bashar Al-Rawi & Fadi Aloul
0.00/0.00	c Solving /tmp/evaluation/454359-1178025091/instance-454359-1178025091.opb ......
0.00/0.04	c done parsing opb.
0.00/0.04	o 91
0.00/0.04	o 90
0.00/0.04	o 89
0.09/0.13	o 88
0.49/0.55	o 87
0.69/0.73	o 86
77.36/77.41	o 86
77.36/77.41	s OPTIMUM FOUND
77.36/77.41	c Total Run Time					77.3402
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Verifier Data (download as text)

OK	-14

Conversion Script Data (download as text)

Linearizing /tmp/evaluation/454359-1178025091/instance-454359-1178025091.opb

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node42/watcher-454359-1178025091 -o ROOT/results/node42/solver-454359-1178025091 -C 1800 -W 3600 -M 1800 --output-limit 1,15 /tmp/evaluation/454359-1178025091/PBS4 /tmp/evaluation/454359-1178025091/instance-454359-1178025091.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 3/77 4467
/proc/meminfo: memFree=1803800/2055920 swapFree=4147452/4192956
[pid=4467] ppid=4465 vsize=1612 CPUtime=0
/proc/4467/stat : 4467 (PBS4) R 4465 4467 18494 0 -1 4194304 196 0 0 0 0 0 0 0 18 0 1 0 250420973 1650688 179 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134588993 0 0 4096 0 0 0 0 17 1 0 0
/proc/4467/statm: 403 179 87 219 0 180 0

[startup+0.0856109 s]
/proc/loadavg: 0.92 0.98 0.99 3/77 4467
/proc/meminfo: memFree=1803800/2055920 swapFree=4147452/4192956
[pid=4467] ppid=4465 vsize=2404 CPUtime=0.08
/proc/4467/stat : 4467 (PBS4) R 4465 4467 18494 0 -1 4194304 427 0 0 0 8 0 0 0 18 0 1 0 250420973 2461696 410 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4467/statm: 601 410 103 219 0 378 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 2404

[startup+0.101649 s]
/proc/loadavg: 0.92 0.98 0.99 3/77 4467
/proc/meminfo: memFree=1803800/2055920 swapFree=4147452/4192956
[pid=4467] ppid=4465 vsize=2404 CPUtime=0.09
/proc/4467/stat : 4467 (PBS4) R 4465 4467 18494 0 -1 4194304 450 0 0 0 9 0 0 0 18 0 1 0 250420973 2461696 433 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4467/statm: 601 433 103 219 0 378 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2404

[startup+0.301792 s]
/proc/loadavg: 0.92 0.98 0.99 3/77 4467
/proc/meminfo: memFree=1803800/2055920 swapFree=4147452/4192956
[pid=4467] ppid=4465 vsize=4092 CPUtime=0.29
/proc/4467/stat : 4467 (PBS4) R 4465 4467 18494 0 -1 4194304 774 0 0 0 29 0 0 0 19 0 1 0 250420973 4190208 757 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4467/statm: 1023 757 103 219 0 800 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4092

[startup+0.701728 s]
/proc/loadavg: 0.92 0.98 0.99 3/77 4467
/proc/meminfo: memFree=1803800/2055920 swapFree=4147452/4192956
[pid=4467] ppid=4465 vsize=6736 CPUtime=0.69
/proc/4467/stat : 4467 (PBS4) R 4465 4467 18494 0 -1 4194304 1290 0 0 0 68 1 0 0 23 0 1 0 250420973 6897664 1273 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134590670 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4467/statm: 1684 1273 103 219 0 1461 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6736

[startup+1.50188 s]
/proc/loadavg: 0.92 0.98 0.99 2/78 4468
/proc/meminfo: memFree=1797840/2055920 swapFree=4147452/4192956
[pid=4467] ppid=4465 vsize=11564 CPUtime=1.49
/proc/4467/stat : 4467 (PBS4) R 4465 4467 18494 0 -1 4194304 2046 0 0 0 148 1 0 0 25 0 1 0 250420973 11841536 1980 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134549593 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4467/statm: 2891 1980 104 219 0 2668 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 11564

[startup+3.10118 s]
/proc/loadavg: 0.92 0.98 0.99 2/78 4468
/proc/meminfo: memFree=1793872/2055920 swapFree=4147452/4192956
[pid=4467] ppid=4465 vsize=12812 CPUtime=3.09
/proc/4467/stat : 4467 (PBS4) R 4465 4467 18494 0 -1 4194304 2932 0 0 0 306 3 0 0 25 0 1 0 250420973 13119488 2866 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4467/statm: 3203 2866 104 219 0 2980 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 12812

[startup+6.30179 s]
/proc/loadavg: 0.93 0.98 0.99 2/78 4468
/proc/meminfo: memFree=1789968/2055920 swapFree=4147452/4192956
[pid=4467] ppid=4465 vsize=22696 CPUtime=6.29
/proc/4467/stat : 4467 (PBS4) R 4465 4467 18494 0 -1 4194304 3928 0 0 0 625 4 0 0 25 0 1 0 250420973 23240704 3765 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134552753 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4467/statm: 5674 3765 104 219 0 5451 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 22696

[startup+12.702 s]
/proc/loadavg: 0.93 0.98 0.99 2/78 4468
/proc/meminfo: memFree=1785168/2055920 swapFree=4147452/4192956
[pid=4467] ppid=4465 vsize=24876 CPUtime=12.69
/proc/4467/stat : 4467 (PBS4) R 4465 4467 18494 0 -1 4194304 5173 0 0 0 1262 7 0 0 25 0 1 0 250420973 25473024 4817 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4467/statm: 6219 4817 104 219 0 5996 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 24876

[startup+25.5014 s]
/proc/loadavg: 0.95 0.98 0.99 2/78 4468
/proc/meminfo: memFree=1780696/2055920 swapFree=4147452/4192956
[pid=4467] ppid=4465 vsize=26156 CPUtime=25.48
/proc/4467/stat : 4467 (PBS4) R 4465 4467 18494 0 -1 4194304 6211 0 0 0 2539 9 0 0 25 0 1 0 250420973 26783744 5855 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4467/statm: 6539 5855 104 219 0 6316 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 26156

[startup+51.1013 s]
/proc/loadavg: 0.96 0.98 0.99 2/78 4468
/proc/meminfo: memFree=1775704/2055920 swapFree=4147452/4192956
[pid=4467] ppid=4465 vsize=45844 CPUtime=51.07
/proc/4467/stat : 4467 (PBS4) R 4465 4467 18494 0 -1 4194304 7803 0 0 0 5091 16 0 0 25 0 1 0 250420973 46944256 7062 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4467/statm: 11461 7062 104 219 0 11238 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 45844

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

[startup+63.9018 s]
/proc/loadavg: 0.97 0.98 0.99 2/78 4468
/proc/meminfo: memFree=1774168/2055920 swapFree=4147452/4192956
[pid=4467] ppid=4465 vsize=46488 CPUtime=63.86
/proc/4467/stat : 4467 (PBS4) R 4465 4467 18494 0 -1 4194304 8188 0 0 0 6367 19 0 0 25 0 1 0 250420973 47603712 7447 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134547071 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4467/statm: 11622 7447 104 219 0 11399 0
Current children cumulated CPU time (s) 63.86
Current children cumulated vsize (KiB) 46488

[startup+70.302 s]
/proc/loadavg: 0.97 0.98 0.99 2/78 4468
/proc/meminfo: memFree=1772184/2055920 swapFree=4147452/4192956
[pid=4467] ppid=4465 vsize=46848 CPUtime=70.27
/proc/4467/stat : 4467 (PBS4) R 4465 4467 18494 0 -1 4194304 8672 0 0 0 7006 21 0 0 25 0 1 0 250420973 47972352 7931 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4467/statm: 11712 7931 104 219 0 11489 0
Current children cumulated CPU time (s) 70.27
Current children cumulated vsize (KiB) 46848

[startup+73.5016 s]
/proc/loadavg: 0.97 0.98 0.99 2/78 4468
/proc/meminfo: memFree=1771480/2055920 swapFree=4147452/4192956
[pid=4467] ppid=4465 vsize=47040 CPUtime=73.46
/proc/4467/stat : 4467 (PBS4) R 4465 4467 18494 0 -1 4194304 8900 0 0 0 7325 21 0 0 25 0 1 0 250420973 48168960 8159 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134563737 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4467/statm: 11760 8159 104 219 0 11537 0
Current children cumulated CPU time (s) 73.46
Current children cumulated vsize (KiB) 47040

[startup+75.1019 s]
/proc/loadavg: 0.97 0.98 0.99 2/78 4468
/proc/meminfo: memFree=1771096/2055920 swapFree=4147452/4192956
[pid=4467] ppid=4465 vsize=47412 CPUtime=75.06
/proc/4467/stat : 4467 (PBS4) R 4465 4467 18494 0 -1 4194304 8950 0 0 0 7484 22 0 0 25 0 1 0 250420973 48549888 8209 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134547071 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4467/statm: 11853 8209 104 219 0 11630 0
Current children cumulated CPU time (s) 75.06
Current children cumulated vsize (KiB) 47412

[startup+76.7012 s]
/proc/loadavg: 0.97 0.98 0.99 2/78 4468
/proc/meminfo: memFree=1771032/2055920 swapFree=4147452/4192956
[pid=4467] ppid=4465 vsize=47412 CPUtime=76.66
/proc/4467/stat : 4467 (PBS4) R 4465 4467 18494 0 -1 4194304 8968 0 0 0 7644 22 0 0 25 0 1 0 250420973 48549888 8227 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4467/statm: 11853 8227 104 219 0 11630 0
Current children cumulated CPU time (s) 76.66
Current children cumulated vsize (KiB) 47412

[startup+77.1013 s]
/proc/loadavg: 0.97 0.98 0.99 2/78 4468
/proc/meminfo: memFree=1770968/2055920 swapFree=4147452/4192956
[pid=4467] ppid=4465 vsize=47412 CPUtime=77.06
/proc/4467/stat : 4467 (PBS4) R 4465 4467 18494 0 -1 4194304 8983 0 0 0 7684 22 0 0 25 0 1 0 250420973 48549888 8242 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134559387 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4467/statm: 11853 8242 104 219 0 11630 0
Current children cumulated CPU time (s) 77.06
Current children cumulated vsize (KiB) 47412

[startup+77.3013 s]
/proc/loadavg: 0.97 0.98 0.99 2/78 4468
/proc/meminfo: memFree=1770968/2055920 swapFree=4147452/4192956
[pid=4467] ppid=4465 vsize=50484 CPUtime=77.26
/proc/4467/stat : 4467 (PBS4) R 4465 4467 18494 0 -1 4194304 9753 0 0 0 7703 23 0 0 25 0 1 0 250420973 51695616 8243 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134547091 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4467/statm: 12621 8243 104 219 0 12398 0
Current children cumulated CPU time (s) 77.26
Current children cumulated vsize (KiB) 50484

[startup+77.4013 s]
/proc/loadavg: 0.97 0.98 0.99 2/78 4468
/proc/meminfo: memFree=1770968/2055920 swapFree=4147452/4192956
[pid=4467] ppid=4465 vsize=50484 CPUtime=77.36
/proc/4467/stat : 4467 (PBS4) R 4465 4467 18494 0 -1 4194304 9753 0 0 0 7713 23 0 0 25 0 1 0 250420973 51695616 8243 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134547089 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4467/statm: 12621 8243 104 219 0 12398 0
Current children cumulated CPU time (s) 77.36
Current children cumulated vsize (KiB) 50484

Child status: 0
Real time (s): 77.4202
CPU time (s): 77.3902
CPU user time (s): 77.1493
CPU system time (s): 0.240963
CPU usage (%): 99.9613
Max. virtual memory (cumulated for all children) (KiB): 50484

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 77.1493
system time used= 0.240963
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9760
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= 7
involuntary context switches= 1578

runsolver used 0.073988 second user time and 0.176973 second system time

The end

Launcher Data (download as text)

Begin job on node42 on Tue May  1 13:11:31 UTC 2007

IDJOB= 454359
IDBENCH= 48192
IDSOLVER= 157
FILE ID= node42/454359-1178025091

PBS_JOBID= 4728361

Free space on /tmp= 66563 MiB

SOLVER NAME= PBS4 2007-03-23
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/manquinho/mis/normalized-mis_100_25_3.opb
COMMAND LINE= /tmp/evaluation/454359-1178025091/PBS4 /tmp/evaluation/454359-1178025091/instance-454359-1178025091.opb            
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node42/convwatcher-454359-1178025091 -o ROOT/results/node42/conversion-454359-1178025091 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/454359-1178025091/instance-454359-1178025091.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node42/watcher-454359-1178025091 -o ROOT/results/node42/solver-454359-1178025091 -C 1800 -W 3600 -M 1800 --output-limit 1,15  /tmp/evaluation/454359-1178025091/PBS4 /tmp/evaluation/454359-1178025091/instance-454359-1178025091.opb            

META MD5SUM SOLVER= b6c24e28fef9e1efa7891be58ea9e46f
MD5SUM BENCH=  7197f7f0f9b455050f9ff30066ca0a9a

RANDOM SEED= 661960072

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node42.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		: 3000.277
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		: 3000.277
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:       1804208 kB
Buffers:         55452 kB
Cached:         101456 kB
SwapCached:      14316 kB
Active:          93988 kB
Inactive:        92260 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1804208 kB
SwapTotal:     4192956 kB
SwapFree:      4147452 kB
Dirty:            1292 kB
Writeback:           0 kB
Mapped:          35388 kB
Slab:            50884 kB
Committed_AS:  5122520 kB
PageTables:       1924 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= 66563 MiB

End job on node42 on Tue May  1 13:12:49 UTC 2007