Trace number 1877770

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 clOPT-82 12.7531 12.7565

General information on the benchmark

Name/OPT-SMALLINT-LIN/featureSubscription/
normalized-50-750-false-45-90-4-4000opt.opb
MD5SUM78d7b4bc270e158c16f301038a8fbfa0
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-82
Best CPU time to get the best result obtained on this benchmark2.5976
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables2025
Total number of constraints30390
Number of constraints which are clauses30390
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 constraint2
Maximum length of a constraint3
Number of terms in the objective function 135
Biggest coefficient in the objective function 4
Number of bits for the biggest coefficient in the objective function 3
Sum of the numbers in the objective function 316
Number of bits of the sum of numbers in the objective function 9
Biggest number in a constraint 4
Number of bits of the biggest number in a constraint 3
Biggest sum of numbers in a constraint 316
Number of bits of the biggest sum of numbers9
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 

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: Clause 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-1877770-1245218812.opb
0.00/0.00	c File size is 1006550 bytes.
0.09/0.14	c Highest Coefficient sum: 316
0.09/0.14	c Parsing was ok!!
0.09/0.14	c Total parsing time: 0.139 s
0.09/0.15	c Var: 2025 Constr: 30390 30390/0/0 Lit: 90000 Watch. Lit: 60780
0.09/0.15	c Obj. Vars: 135 (6.66667 % of total variables)
0.29/0.32	c Pre-processing Time: 0.321 s
0.29/0.32	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.29/0.32	c        0   2000    30315    89850    2    60630   10104      0      0 0.32
0.29/0.32	c Switching off lower bounding mode.
0.29/0.33	o -15
0.29/0.35	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.29/0.35	c        1   2000    30317    89963    2    60640   10324      2      2 0.34
0.29/0.35	o -31
0.29/0.36	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.29/0.36	c       27   2000    30344    90269    2    60711   10324     29     76 0.35
0.29/0.36	o -32
0.29/0.38	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.29/0.38	c       40   2000    30358    90429    2    60758   10324     43    109 0.36
0.29/0.38	o -60
0.89/0.90	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.89/0.90	c       94   2000    30413    91733    3    60876   10324     98    245 0.38
0.89/0.90	c      194   2000    30513    96042    3    61070   11357    198    476 0.41
0.89/0.90	c      446   2000    30765   105924    3    61583   12493    450    984 0.45
0.89/0.90	c      921   2000    31240   130190    4    62526   13743    925   1686 0.55
0.89/0.90	c     1736   2000    32055   173267    5    64156   15118   1740   2411 0.72
0.89/0.90	o -61
0.89/0.97	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.89/0.97	c     2458   2000    32778   219342    6    65621   10324   2463   2707 0.91
0.89/0.97	c     2558   2000    32878   222995    6    65831   11357   2563   2712 0.94
0.89/0.97	o -63
1.19/1.25	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.19/1.25	c     2625   2000    32946   224834    6    65978   10324   2631   2686 0.98
1.19/1.25	c     2725   2000    33046   230030    6    66190   11357   2731   2700 1.01
1.19/1.25	c     2976   2000    33297   242605    7    66699   12493   2982   2758 1.08
1.19/1.25	c     3451   2000    33772   269169    7    67649   13743   3457   2817 1.23
1.19/1.25	o -65
1.29/1.31	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.29/1.31	c     3483   2000    33805   270318    7    67724   10324   3490   2779 1.25
1.29/1.31	c     3583   2000    33905   275047    8    67925   11357   3590   2788 1.28
1.29/1.31	o -67
1.59/1.61	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.59/1.61	c     3621   2000    33944   276253    8    68025   10324   3629   2753 1.31
1.59/1.61	c     3721   2000    34044   279703    8    68235   11357   3729   2756 1.35
1.59/1.61	c     3971   2000    34294   295864    8    68718   12493   3979   2769 1.43
1.59/1.61	c     4446   2000    34769   325295    9    69682   13743   4454   2817 1.58
1.59/1.61	o -72
1.59/1.70	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.59/1.70	c     4490   2000    34814   326973    9    69793   10324   4499   2776 1.62
1.59/1.70	c     4591   2000    34915   332659    9    69994   11357   4600   2768 1.66
1.59/1.70	o -82
12.69/12.75	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
12.69/12.75	c     4675   2000    35000   337689    9    70178   10324   4685   2748 1.70
12.69/12.75	c     4775   2000    35100   342302    9    70407   11357   4785   2739 1.74
12.69/12.75	c     5026   2000    35351   357352   10    70893   12493   5036   2744 1.83
12.69/12.75	c     5502   2000    35827   387982   10    71832   13743   5512   2745 2.00
12.69/12.75	c     6315   1998    36640   436853   11    73466   15118   6325   2730 2.31
12.69/12.75	c     7635   1997    37960   521483   13    76110   16630   7645   2633 2.90
12.69/12.75	c     9717   1995    40042   653559   16    80262   18294   9727   2471 3.93
12.69/12.75	c    12940   1987    43265   834982   19    86706   20124  12950   2097 6.17
12.69/12.75	c    17876   1969    48201  1069909   22    96574   22137  17886   1618 11.05
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12.69/12.75	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
12.69/12.75	c   31    19364   1622    39801    49689  1107679  19374   1518 12.75
12.69/12.75	c Objective: -82
12.69/12.75	s OPTIMUM FOUND
12.69/12.75	c Total time: 12.748 s

Verifier Data 

OK	-82

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1877770-1245218812/watcher-1877770-1245218812 -o /tmp/evaluation-result-1877770-1245218812/solver-1877770-1245218812 -C 1800 -W 2000 -M 1800 bsolo -l1 -t1800 -m1800 HOME/instance-1877770-1245218812.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 1.00 0.97 3/64 7868
/proc/meminfo: memFree=1797200/2055920 swapFree=4192952/4192956
[pid=7868] ppid=7866 vsize=11692 CPUtime=0
/proc/7868/stat : 7868 (bsolo) R 7866 7868 6635 0 -1 4194304 250 0 0 0 0 0 0 0 18 0 1 0 189476767 11972608 234 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7868/statm: 2923 234 174 640 0 2033 0

[startup+0.078844 s]
/proc/loadavg: 1.00 1.00 0.97 3/64 7868
/proc/meminfo: memFree=1797200/2055920 swapFree=4192952/4192956
[pid=7868] ppid=7866 vsize=13612 CPUtime=0.07
/proc/7868/stat : 7868 (bsolo) R 7866 7868 6635 0 -1 4194304 853 0 0 0 7 0 0 0 18 0 1 0 189476767 13938688 838 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7868/statm: 3403 838 304 640 0 2513 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 13612

[startup+0.101845 s]
/proc/loadavg: 1.00 1.00 0.97 3/64 7868
/proc/meminfo: memFree=1797200/2055920 swapFree=4192952/4192956
[pid=7868] ppid=7866 vsize=14160 CPUtime=0.09
/proc/7868/stat : 7868 (bsolo) R 7866 7868 6635 0 -1 4194304 1036 0 0 0 9 0 0 0 18 0 1 0 189476767 14499840 1020 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7868/statm: 3540 1021 345 640 0 2650 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 14160

[startup+0.301862 s]
/proc/loadavg: 1.00 1.00 0.97 3/64 7868
/proc/meminfo: memFree=1797200/2055920 swapFree=4192952/4192956
[pid=7868] ppid=7866 vsize=17200 CPUtime=0.29
/proc/7868/stat : 7868 (bsolo) R 7866 7868 6635 0 -1 4194304 2134 0 0 0 27 2 0 0 19 0 1 0 189476767 17612800 1872 1992294400 134512640 137136520 4294956256 18446744073709551615 136498693 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7868/statm: 4300 1872 191 640 0 3656 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 17200

[startup+0.701898 s]
/proc/loadavg: 1.00 1.00 0.97 3/64 7868
/proc/meminfo: memFree=1797200/2055920 swapFree=4192952/4192956
[pid=7868] ppid=7866 vsize=17148 CPUtime=0.69
/proc/7868/stat : 7868 (bsolo) R 7866 7868 6635 0 -1 4194304 2460 0 0 0 67 2 0 0 22 0 1 0 189476767 17559552 1869 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7868/statm: 4287 1869 197 640 0 3643 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 17148

[startup+1.50197 s]
/proc/loadavg: 1.00 1.00 0.97 2/65 7869
/proc/meminfo: memFree=1789768/2055920 swapFree=4192952/4192956
[pid=7868] ppid=7866 vsize=18960 CPUtime=1.49
/proc/7868/stat : 7868 (bsolo) R 7866 7868 6635 0 -1 4194304 2927 0 0 0 145 4 0 0 25 0 1 0 189476767 19415040 2336 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7868/statm: 4740 2336 197 640 0 4096 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 18960

[startup+3.10111 s]
/proc/loadavg: 1.00 1.00 0.97 2/65 7869
/proc/meminfo: memFree=1787080/2055920 swapFree=4192952/4192956
[pid=7868] ppid=7866 vsize=22568 CPUtime=3.09
/proc/7868/stat : 7868 (bsolo) R 7866 7868 6635 0 -1 4194304 3808 0 0 0 304 5 0 0 25 0 1 0 189476767 23109632 3217 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7868/statm: 5642 3217 197 640 0 4998 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 22568

[startup+6.30139 s]
/proc/loadavg: 1.00 1.00 0.97 2/65 7869
/proc/meminfo: memFree=1781384/2055920 swapFree=4192952/4192956
[pid=7868] ppid=7866 vsize=26832 CPUtime=6.29
/proc/7868/stat : 7868 (bsolo) R 7866 7868 6635 0 -1 4194304 4883 0 0 0 622 7 0 0 25 0 1 0 189476767 27475968 4292 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7868/statm: 6708 4292 197 640 0 6064 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 26832

[startup+12.702 s]
/proc/loadavg: 1.00 1.00 0.97 2/65 7869
/proc/meminfo: memFree=1776584/2055920 swapFree=4192952/4192956
[pid=7868] ppid=7866 vsize=30892 CPUtime=12.69
/proc/7868/stat : 7868 (bsolo) R 7866 7868 6635 0 -1 4194304 5908 0 0 0 1260 9 0 0 25 0 1 0 189476767 31633408 5317 1992294400 134512640 137136520 4294956256 18446744073709551615 134544151 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7868/statm: 7723 5317 197 640 0 7079 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 30892

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

Child status: 0
Real time (s): 12.7565
CPU time (s): 12.7531
CPU user time (s): 12.6551
CPU system time (s): 0.097985
CPU usage (%): 99.9728
Max. virtual memory (cumulated for all children) (KiB): 30892

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 12.6551
system time used= 0.097985
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5914
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= 4
involuntary context switches= 20

runsolver used 0.009998 second user time and 0.037994 second system time

The end

Launcher Data 

Begin job on node58 at 2009-06-17 08:06:52
IDJOB=1877770
IDBENCH=71821
IDSOLVER=700
FILE ID=node58/1877770-1245218812
PBS_JOBID= 9368412
Free space on /tmp= 66560 MiB

SOLVER NAME= bsolo 3.1 cl
BENCH NAME= PB09/normalized-PB09/OPT-SMALLINT-LIN/featureSubscription/normalized-50-750-false-45-90-4-4000opt.opb
COMMAND LINE= bsolo -l1 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1877770-1245218812/watcher-1877770-1245218812 -o /tmp/evaluation-result-1877770-1245218812/solver-1877770-1245218812 -C 1800 -W 2000 -M 1800  bsolo -l1 -t1800 -m1800 HOME/instance-1877770-1245218812.opb

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

MD5SUM BENCH= 78d7b4bc270e158c16f301038a8fbfa0
RANDOM SEED=1304874326

node58.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		: 3000.243
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		: 3000.243
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:       1797680 kB
Buffers:         22900 kB
Cached:         166000 kB
SwapCached:          4 kB
Active:          78688 kB
Inactive:       123660 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1797680 kB
SwapTotal:     4192956 kB
SwapFree:      4192952 kB
Dirty:            4924 kB
Writeback:           0 kB
Mapped:          23240 kB
Slab:            41960 kB
Committed_AS:    84624 kB
PageTables:       1360 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-1877770-1245218812.opb

Free space on /tmp at the end= 66556 MiB
End job on node58 at 2009-06-17 08:07:05