Trace number 1879636

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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 NameAnswerobjCPU timeWall clock time
bsolo 3.1 pbOPT-15 13.021 13.026

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
manquinho/mis/normalized-mis_100_25_1.opb
MD5SUM009ec87aa7f9a2a2aeb136cc6734ca0d
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 benchmark4.42533
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 constraint43
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)3038
Sum of products size (including duplicates)6076
Number of different products1519
Sum of products size3038

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

Solver Data 

0.00/0.00	c bsolo beta version 3.1 - 13/04/2009 : 1630 GMT
0.00/0.00	c Developed by Vasco Manquinho and José Santos 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 Learning Strategy: Generic Pseudo-Boolean Learning
0.00/0.00	c Time Limit set to 1800
0.00/0.00	c Memory Limit set to 1800 MB
0.00/0.00	c Instance file HOME/instance-1879636-1245246267.opb
0.00/0.00	c File size is 120370 bytes.
0.00/0.01	c Highest Coefficient sum: 100
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.015 s
0.00/0.01	c Var: 1619 Constr: 3238 1619/100/1519 Lit: 15190 Watch. Lit: 10633
0.00/0.01	c Obj. Vars: 100 (6.17665 % of total variables)
0.00/0.03	c Pre-processing Time: 0.032 s
0.00/0.03	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.03	c        0    100     1519     4557    3     3038     506      0      0 0.03
0.00/0.03	c Switching off lower bounding mode.
0.00/0.03	o -12
0.06/0.09	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.06/0.09	c        0    100     1520     4657    3     3052     939      1      0 0.03
0.06/0.09	c      101    100     1715    22657   13     4078    1033    196   1603 0.06
0.06/0.09	o -13
4.09/4.19	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
4.09/4.19	c      175    100     1855    35420   19     4758     972    336   1944 0.09
4.09/4.19	c      276    100     2049    53381   26     5868    1070    530   1877 0.15
4.09/4.19	c      526    100     2533    99172   39     8184    1178   1014   1524 0.34
4.09/4.19	c     1001     95     3456   188524   54    12374    1296   1937   1021 0.98
4.09/4.19	c     1814     90     2807   124635   44    10320    1426   1288    711 2.55
4.09/4.19	o -14
5.58/5.61	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
5.58/5.61	c     2592     87     4333   274588   63    16832     941   2814    618 4.19
5.58/5.61	c     2693     87     2198    69412   31     8290    1036    679    616 4.37
5.58/5.61	c     2943     86     2683   114360   42    10185    1140   1164    624 4.72
5.58/5.61	o -15
12.99/13.02	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
12.99/13.02	c     3356     83     3472   189518   54    13994     948   1953    598 5.61
12.99/13.02	c     3457     83     3673   205749   56    14573    1043   2154    596 5.80
12.99/13.02	c     3707     83     2096    53385   25     8172    1148    577    571 6.48
12.99/13.02	c     4182     78     3005   130573   43    12638    1263   1486    568 7.36
12.99/13.02	c     4996     71     2378    69231   29     9531    1390    859    523 9.55
12.99/13.02	c     6316     41     2554    70062   27     9813    1530   1035    491 12.84
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12.99/13.02	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
12.99/13.02	c   16     6415     96     6595     2726    80881   1207    492 13.02
12.99/13.02	c Objective: -15
12.99/13.02	s OPTIMUM FOUND
12.99/13.02	c Total time: 13.019 s

Verifier Data 

OK	-15

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1879636-1245246267/watcher-1879636-1245246267 -o /tmp/evaluation-result-1879636-1245246267/solver-1879636-1245246267 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1879636-1245246267.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): 2000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 0.99 0.91 3/65 15195
/proc/meminfo: memFree=1262056/2055920 swapFree=4180860/4192956
[pid=15195] ppid=15193 vsize=10832 CPUtime=0
/proc/15195/stat : 15195 (bsolo) R 15193 15195 14879 0 -1 4194304 266 0 0 0 0 0 0 0 20 0 1 0 192224745 11091968 250 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/15195/statm: 2708 250 175 640 0 2034 0

[startup+0.071902 s]
/proc/loadavg: 1.00 0.99 0.91 3/65 15195
/proc/meminfo: memFree=1262056/2055920 swapFree=4180860/4192956
[pid=15195] ppid=15193 vsize=11664 CPUtime=0.06
/proc/15195/stat : 15195 (bsolo) R 15193 15195 14879 0 -1 4194304 552 0 0 0 6 0 0 0 20 0 1 0 192224745 11943936 506 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/15195/statm: 2916 506 197 640 0 2272 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 11664

[startup+0.101906 s]
/proc/loadavg: 1.00 0.99 0.91 3/65 15195
/proc/meminfo: memFree=1262056/2055920 swapFree=4180860/4192956
[pid=15195] ppid=15193 vsize=11792 CPUtime=0.09
/proc/15195/stat : 15195 (bsolo) R 15193 15195 14879 0 -1 4194304 588 0 0 0 9 0 0 0 20 0 1 0 192224745 12075008 542 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/15195/statm: 2948 542 197 640 0 2304 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11792

[startup+0.301928 s]
/proc/loadavg: 1.00 0.99 0.91 3/65 15195
/proc/meminfo: memFree=1262056/2055920 swapFree=4180860/4192956
[pid=15195] ppid=15193 vsize=12396 CPUtime=0.29
/proc/15195/stat : 15195 (bsolo) R 15193 15195 14879 0 -1 4194304 741 0 0 0 29 0 0 0 22 0 1 0 192224745 12693504 695 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/15195/statm: 3099 695 197 640 0 2455 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12396

[startup+0.701972 s]
/proc/loadavg: 1.00 0.99 0.91 3/65 15195
/proc/meminfo: memFree=1262056/2055920 swapFree=4180860/4192956
[pid=15195] ppid=15193 vsize=13288 CPUtime=0.69
/proc/15195/stat : 15195 (bsolo) R 15193 15195 14879 0 -1 4194304 955 0 0 0 69 0 0 0 25 0 1 0 192224745 13606912 909 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/15195/statm: 3322 909 197 640 0 2678 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13288

[startup+1.50106 s]
/proc/loadavg: 1.00 0.99 0.91 2/66 15196
/proc/meminfo: memFree=1258720/2055920 swapFree=4180860/4192956
[pid=15195] ppid=15193 vsize=14536 CPUtime=1.49
/proc/15195/stat : 15195 (bsolo) R 15193 15195 14879 0 -1 4194304 1266 0 0 0 149 0 0 0 25 0 1 0 192224745 14884864 1220 1992294400 134512640 137136520 4294956256 18446744073709551615 134543806 0 0 4096 16384 0 0 0 17 1 0 0
/proc/15195/statm: 3634 1220 197 640 0 2990 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14536

[startup+3.10124 s]
/proc/loadavg: 1.00 0.99 0.91 2/66 15196
/proc/meminfo: memFree=1257184/2055920 swapFree=4180860/4192956
[pid=15195] ppid=15193 vsize=15156 CPUtime=3.09
/proc/15195/stat : 15195 (bsolo) R 15193 15195 14879 0 -1 4194304 1425 0 0 0 309 0 0 0 25 0 1 0 192224745 15519744 1379 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/15195/statm: 3789 1379 197 640 0 3145 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 15156

[startup+6.3016 s]
/proc/loadavg: 1.00 0.99 0.91 2/66 15196
/proc/meminfo: memFree=1256992/2055920 swapFree=4180860/4192956
[pid=15195] ppid=15193 vsize=15156 CPUtime=6.28
/proc/15195/stat : 15195 (bsolo) R 15193 15195 14879 0 -1 4194304 1425 0 0 0 628 0 0 0 25 0 1 0 192224745 15519744 1379 1992294400 134512640 137136520 4294956256 18446744073709551615 134544148 0 0 4096 16384 0 0 0 17 1 0 0
/proc/15195/statm: 3789 1379 197 640 0 3145 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 15156

[startup+12.7013 s]
/proc/loadavg: 1.15 1.02 0.93 2/66 15196
/proc/meminfo: memFree=1256928/2055920 swapFree=4180860/4192956
[pid=15195] ppid=15193 vsize=15156 CPUtime=12.69
/proc/15195/stat : 15195 (bsolo) R 15193 15195 14879 0 -1 4194304 1426 0 0 0 1268 1 0 0 25 0 1 0 192224745 15519744 1380 1992294400 134512640 137136520 4294956256 18446744073709551615 134543819 0 0 4096 16384 0 0 0 17 1 0 0
/proc/15195/statm: 3789 1380 198 640 0 3145 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 15156

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

[startup+12.9013 s]
/proc/loadavg: 1.15 1.02 0.93 2/66 15196
/proc/meminfo: memFree=1256928/2055920 swapFree=4180860/4192956
[pid=15195] ppid=15193 vsize=15156 CPUtime=12.89
/proc/15195/stat : 15195 (bsolo) R 15193 15195 14879 0 -1 4194304 1426 0 0 0 1288 1 0 0 25 0 1 0 192224745 15519744 1380 1992294400 134512640 137136520 4294956256 18446744073709551615 136502987 0 0 4096 16384 0 0 0 17 1 0 0
/proc/15195/statm: 3789 1380 198 640 0 3145 0
Current children cumulated CPU time (s) 12.89
Current children cumulated vsize (KiB) 15156

[startup+13.0013 s]
/proc/loadavg: 1.15 1.02 0.93 2/66 15196
/proc/meminfo: memFree=1256928/2055920 swapFree=4180860/4192956
[pid=15195] ppid=15193 vsize=15156 CPUtime=12.99
/proc/15195/stat : 15195 (bsolo) R 15193 15195 14879 0 -1 4194304 1426 0 0 0 1298 1 0 0 25 0 1 0 192224745 15519744 1380 1992294400 134512640 137136520 4294956256 18446744073709551615 134543974 0 0 4096 16384 0 0 0 17 1 0 0
/proc/15195/statm: 3789 1380 198 640 0 3145 0
Current children cumulated CPU time (s) 12.99
Current children cumulated vsize (KiB) 15156

Child status: 0
Real time (s): 13.026
CPU time (s): 13.021
CPU user time (s): 13.008
CPU system time (s): 0.012998
CPU usage (%): 99.9619
Max. virtual memory (cumulated for all children) (KiB): 15156

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 13.008
system time used= 0.012998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1428
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= 3
involuntary context switches= 18

runsolver used 0.016997 second user time and 0.039993 second system time

The end

Launcher Data 

Begin job on node87 at 2009-06-17 15:44:28
IDJOB=1879636
IDBENCH=48186
IDSOLVER=701
FILE ID=node87/1879636-1245246267
PBS_JOBID= 9372338
Free space on /tmp= 66468 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/manquinho/mis/normalized-mis_100_25_1.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1879636-1245246267/watcher-1879636-1245246267 -o /tmp/evaluation-result-1879636-1245246267/solver-1879636-1245246267 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1879636-1245246267.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 009ec87aa7f9a2a2aeb136cc6734ca0d
RANDOM SEED=953479438

node87.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.235
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		: 3000.235
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1262664 kB
Buffers:         10684 kB
Cached:         720464 kB
SwapCached:       5904 kB
Active:          39336 kB
Inactive:       700104 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1262664 kB
SwapTotal:     4192956 kB
SwapFree:      4180860 kB
Dirty:            3972 kB
Writeback:           0 kB
Mapped:          13932 kB
Slab:            39720 kB
Committed_AS:   112500 kB
PageTables:       1460 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1879636-1245246267.opb

Free space on /tmp at the end= 66464 MiB
End job on node87 at 2009-06-17 15:44:41