Trace number 1878182

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 clOPT2 0.197969 0.198341

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
manquinho/mds/normalized-mds_50_25_2.opb
MD5SUMf082d755a098ee30cf6a4e6ef2f7b520
Bench CategoryOPT-SMALLINT-NLC (optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark2
Best CPU time to get the best result obtained on this benchmark0.12398
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 2
Optimality of the best value was proved YES
Number of variables50
Total number of constraints50
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 constraints50
Minimum length of a constraint26
Maximum length of a constraint40
Number of terms in the objective function 50
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 50
Number of bits of the sum of numbers in the objective function 6
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 50
Number of bits of the biggest sum of numbers6
Number of products (including duplicates)1480
Sum of products size (including duplicates)2960
Number of different products1480
Sum of products size2960

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-1878182-1245198236.opb
0.00/0.00	c File size is 103533 bytes.
0.00/0.01	c Highest Coefficient sum: 50
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.013 s
0.00/0.01	c Var: 1530 Constr: 3010 1530/0/1480 Lit: 10410 Watch. Lit: 7500
0.00/0.01	c Obj. Vars: 50 (3.26797 % of total variables)
0.07/0.09	c Pre-processing Time: 0.096 s
0.07/0.09	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.07/0.09	c        0   1530     3010    10410    3     7500    9390      0      0 0.10
0.07/0.09	c Switching off lower bounding mode.
0.07/0.09	o 49
0.07/0.10	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.07/0.10	c        0   1530     3011    10460    3     7503    9423      1      0 0.10
0.07/0.10	o 48
0.07/0.10	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.07/0.10	c        0   1530     3012    10510    3     7507    9473      2      0 0.10
0.07/0.10	o 47
0.09/0.10	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.10	c        0   1530     3013    10560    3     7512    9540      3      0 0.10
0.09/0.10	o 46
0.09/0.10	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.10	c        0   1530     3014    10610    3     7518    9623      4      0 0.10
0.09/0.10	o 45
0.09/0.10	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.10	c        0   1530     3015    10660    3     7525    9723      5      0 0.10
0.09/0.10	o 44
0.09/0.10	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.10	c        0   1530     3016    10710    3     7533    9840      6      0 0.10
0.09/0.10	o 43
0.09/0.10	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.10	c        0   1530     3017    10760    3     7542    9973      7      0 0.10
0.09/0.10	o 42
0.09/0.10	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.10	c        0   1530     3018    10810    3     7552   10123      8      0 0.11
0.09/0.10	o 41
0.09/0.11	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.11	c        0   1530     3019    10860    3     7563   10290      9      0 0.11
0.09/0.11	o 40
0.09/0.11	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.11	c        0   1530     3020    10910    3     7575   10473     10      0 0.11
0.09/0.11	o 39
0.09/0.11	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.11	c        0   1530     3021    10960    3     7588   10673     11      0 0.11
0.09/0.11	o 38
0.09/0.11	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.11	c        0   1530     3022    11010    3     7602   10890     12      0 0.11
0.09/0.11	o 37
0.09/0.11	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.11	c        0   1530     3023    11060    3     7617   11123     13      0 0.11
0.09/0.11	o 36
0.09/0.11	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.11	c        0   1530     3024    11110    3     7633   11373     14      0 0.11
0.09/0.11	o 35
0.09/0.11	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.11	c        0   1530     3025    11160    3     7650   11640     15      0 0.12
0.09/0.11	o 34
0.09/0.11	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.11	c        0   1530     3026    11210    3     7668   11923     16      0 0.12
0.09/0.11	o 33
0.09/0.12	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.12	c        0   1530     3027    11260    3     7687   12223     17      0 0.12
0.09/0.12	o 32
0.09/0.12	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.12	c        0   1530     3028    11310    3     7707   12540     18      0 0.12
0.09/0.12	o 31
0.09/0.12	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.12	c        0   1530     3029    11360    3     7728   12873     19      0 0.12
0.09/0.12	o 30
0.09/0.12	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.12	c        0   1530     3030    11410    3     7750   13223     20      0 0.12
0.09/0.12	o 29
0.09/0.12	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.12	c        0   1530     3031    11460    3     7773   13590     21      0 0.12
0.09/0.12	o 28
0.09/0.12	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.12	c        0   1530     3032    11510    3     7797   13973     22      0 0.12
0.09/0.12	o 27
0.09/0.12	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.12	c        0   1530     3033    11560    3     7822   14373     23      0 0.12
0.09/0.12	o 26
0.09/0.12	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.12	c        0   1530     3034    11610    3     7848   14790     24      0 0.13
0.09/0.12	o 25
0.09/0.13	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.13	c        0   1530     3035    11660    3     7875   15223     25      0 0.13
0.09/0.13	o 3
0.09/0.14	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.14	c        1   1530     3037    11735    3     7926   15590     27      7 0.13
0.09/0.14	o 2
0.09/0.19	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.19	c       54   1530     3091    15989    5     8082   15606     81    369 0.15
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0.09/0.19	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.09/0.19	c   27      152     54     3461     3189    25795    179    775 0.20
0.09/0.19	c Objective: 2
0.09/0.19	s OPTIMUM FOUND
0.09/0.19	c Total time: 0.196 s

Verifier Data 

OK	2

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1878182-1245198236/watcher-1878182-1245198236 -o /tmp/evaluation-result-1878182-1245198236/solver-1878182-1245198236 -C 1800 -W 2000 -M 1800 bsolo -l1 -t1800 -m1800 HOME/instance-1878182-1245198236.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 1.01 1.00 3/66 15062
/proc/meminfo: memFree=1790400/2055920 swapFree=4191988/4192956
[pid=15062] ppid=15060 vsize=10820 CPUtime=0
/proc/15062/stat : 15062 (bsolo) R 15060 15062 14647 0 -1 4194304 267 0 0 0 0 0 0 0 18 0 1 0 72547091 11079680 251 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 0 0 0
/proc/15062/statm: 2705 251 177 640 0 2035 0

[startup+0.076756 s]
/proc/loadavg: 1.00 1.01 1.00 3/66 15062
/proc/meminfo: memFree=1790400/2055920 swapFree=4191988/4192956
[pid=15062] ppid=15060 vsize=11420 CPUtime=0.07
/proc/15062/stat : 15062 (bsolo) R 15060 15062 14647 0 -1 4194304 453 0 0 0 7 0 0 0 18 0 1 0 72547091 11694080 411 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/15062/statm: 2855 411 189 640 0 2211 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 11420

[startup+0.101758 s]
/proc/loadavg: 1.00 1.01 1.00 3/66 15062
/proc/meminfo: memFree=1790400/2055920 swapFree=4191988/4192956
[pid=15062] ppid=15060 vsize=11460 CPUtime=0.09
/proc/15062/stat : 15062 (bsolo) R 15060 15062 14647 0 -1 4194304 506 0 0 0 9 0 0 0 18 0 1 0 72547091 11735040 458 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/15062/statm: 2865 458 195 640 0 2221 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11460

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

Child status: 0
Real time (s): 0.198341
CPU time (s): 0.197969
CPU user time (s): 0.187971
CPU system time (s): 0.009998
CPU usage (%): 99.8125
Max. virtual memory (cumulated for all children) (KiB): 11460

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.187971
system time used= 0.009998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 541
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= 2
involuntary context switches= 0

runsolver used 0.003999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node40 at 2009-06-17 02:23:57
IDJOB=1878182
IDBENCH=48162
IDSOLVER=700
FILE ID=node40/1878182-1245198236
PBS_JOBID= 9368327
Free space on /tmp= 66564 MiB

SOLVER NAME= bsolo 3.1 cl
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/manquinho/mds/normalized-mds_50_25_2.opb
COMMAND LINE= bsolo -l1 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1878182-1245198236/watcher-1878182-1245198236 -o /tmp/evaluation-result-1878182-1245198236/solver-1878182-1245198236 -C 1800 -W 2000 -M 1800  bsolo -l1 -t1800 -m1800 HOME/instance-1878182-1245198236.opb

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

MD5SUM BENCH= f082d755a098ee30cf6a4e6ef2f7b520
RANDOM SEED=1532450582

node40.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		: 3000.216
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		: 3000.216
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:       1790944 kB
Buffers:         31456 kB
Cached:         152576 kB
SwapCached:        384 kB
Active:          61384 kB
Inactive:       136676 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1790944 kB
SwapTotal:     4192956 kB
SwapFree:      4191988 kB
Dirty:            4208 kB
Writeback:           0 kB
Mapped:          23472 kB
Slab:            52716 kB
Committed_AS:    65972 kB
PageTables:       1472 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1878182-1245198236.opb

Free space on /tmp at the end= 66560 MiB
End job on node40 at 2009-06-17 02:23:57