Trace number 1879336

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 pbOPT3 0.577912 0.57865

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/
factor-mod-B/factor-mod-size=9-P0=71-P1=439-B.opb
MD5SUM2194c44e638e13eefe0fb39d44671c6b
Bench CategoryOPT-SMALLINT-NLC (optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark3
Best CPU time to get the best result obtained on this benchmark0.004998
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 3
Optimality of the best value was proved YES
Number of variables27
Total number of constraints3
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 constraints3
Minimum length of a constraint9
Maximum length of a constraint90
Number of terms in the objective function 9
Biggest coefficient in the objective function 256
Number of bits for the biggest coefficient in the objective function 9
Sum of the numbers in the objective function 511
Number of bits of the sum of numbers in the objective function 9
Biggest number in a constraint 131072
Number of bits of the biggest number in a constraint 18
Biggest sum of numbers in a constraint 523202
Number of bits of the biggest sum of numbers19
Number of products (including duplicates)81
Sum of products size (including duplicates)162
Number of different products81
Sum of products size162

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-1879336-1245243426.opb
0.00/0.00	c File size is 5807 bytes.
0.00/0.00	c Highest Coefficient sum: 523202
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0.001 s
0.00/0.00	c Var: 108 Constr: 166 81/0/85 Lit: 684 Watch. Lit: 425
0.00/0.00	c Obj. Vars: 9 (8.33333 % of total variables)
0.00/0.00	c Pre-processing Time: 0.002 s
0.00/0.00	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.00	c        0    108      166      684    4      589     908      0      0 0.00
0.00/0.00	c Switching off lower bounding mode.
0.10/0.14	c      100    108      365    15223   41     4901     999    199   2857 0.04
0.10/0.14	o 491
0.30/0.37	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.30/0.37	c      202    108      563    29240   51    10092     926    397   1412 0.14
0.30/0.37	c      302    108      760    42929   56    16888    1019    594    880 0.34
0.30/0.37	o 31
0.40/0.48	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.40/0.48	c      312    108      780    44288   56    17635     926    614    832 0.38
0.40/0.48	o 11
0.50/0.57	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.50/0.57	c      360     64      876    49799   56    18572     918    710    751 0.48
0.50/0.57	o 3
0.50/0.57	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.50/0.57	c      404     53      961    54069   56    19356     916    795    703 0.57
0.50/0.57	v x1 x2 -x3 -x4 -x5 -x6 -x7 -x8 -x9 x10 x11 -x12 x13 -x14 x15 x16 x17 x18 x28 x29 -x30 -x31 -x32 -x33 -x34 -x35 -x36 x37 x38 -x39 -x40 -x41 -x42 -x43 -x44 -x45 -x46 -x47 -x48 -x49 -x50 -x51 -x52 -x53 -x54 x55 x56 -x57 -x58 -x59 -x60 -x61 -x62 -x63 -x64 -x65 -x66 -x67 -x68 -x69 -x70 -x71 -x72 x73 x74 -x75 -x76 -x77 -x78 -x79 -x80 -x81 x82 x83 -x84 -x85 -x86 -x87 -x88 -x89 -x90 x91 x92 -x93 -x94 -x95 -x96 -x97 -x98 -x99 x100 x101 -x102 -x103 -x104 -x105 -x106 -x107 -x108 -x19 x20 -x21 -x22 -x23 -x24 -x25 -x26 -x27 
0.50/0.57	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.50/0.57	c    6      405      9      596      963    54078    797    701 0.58
0.50/0.57	c Objective: 3
0.50/0.57	s OPTIMUM FOUND
0.50/0.57	c Total time: 0.577 s

Verifier Data 

OK	3

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1879336-1245243426/watcher-1879336-1245243426 -o /tmp/evaluation-result-1879336-1245243426/solver-1879336-1245243426 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1879336-1245243426.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: 1.04 1.02 0.93 3/64 6965
/proc/meminfo: memFree=1800368/2055920 swapFree=4181660/4192956
[pid=6965] ppid=6963 vsize=10704 CPUtime=0
/proc/6965/stat : 6965 (bsolo) R 6963 6965 6484 0 -1 4194304 269 0 0 0 0 0 0 0 18 0 1 0 191942826 10960896 251 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6965/statm: 2676 251 197 640 0 2032 0

[startup+0.0566371 s]
/proc/loadavg: 1.04 1.02 0.93 3/64 6965
/proc/meminfo: memFree=1800368/2055920 swapFree=4181660/4192956
[pid=6965] ppid=6963 vsize=11100 CPUtime=0.05
/proc/6965/stat : 6965 (bsolo) R 6963 6965 6484 0 -1 4194304 378 0 0 0 5 0 0 0 18 0 1 0 191942826 11366400 360 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6965/statm: 2775 360 197 640 0 2131 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 11100

[startup+0.10164 s]
/proc/loadavg: 1.04 1.02 0.93 3/64 6965
/proc/meminfo: memFree=1800368/2055920 swapFree=4181660/4192956
[pid=6965] ppid=6963 vsize=11228 CPUtime=0.1
/proc/6965/stat : 6965 (bsolo) R 6963 6965 6484 0 -1 4194304 407 0 0 0 10 0 0 0 18 0 1 0 191942826 11497472 389 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6965/statm: 2807 389 197 640 0 2163 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 11228

[startup+0.301659 s]
/proc/loadavg: 1.04 1.02 0.93 3/64 6965
/proc/meminfo: memFree=1800368/2055920 swapFree=4181660/4192956
[pid=6965] ppid=6963 vsize=11748 CPUtime=0.3
/proc/6965/stat : 6965 (bsolo) R 6963 6965 6484 0 -1 4194304 523 0 0 0 30 0 0 0 19 0 1 0 191942826 12029952 505 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6965/statm: 2937 505 197 640 0 2293 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 11748

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

[startup+0.501678 s]
/proc/loadavg: 1.04 1.02 0.93 3/64 6965
/proc/meminfo: memFree=1800368/2055920 swapFree=4181660/4192956
[pid=6965] ppid=6963 vsize=11880 CPUtime=0.5
/proc/6965/stat : 6965 (bsolo) R 6963 6965 6484 0 -1 4194304 579 0 0 0 50 0 0 0 20 0 1 0 191942826 12165120 561 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6965/statm: 2970 561 198 640 0 2326 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 11880

Child status: 0
Real time (s): 0.57865
CPU time (s): 0.577912
CPU user time (s): 0.577912
CPU system time (s): 0
CPU usage (%): 99.8725
Max. virtual memory (cumulated for all children) (KiB): 11880

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.577912
system time used= 0
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 595
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= 1

runsolver used 0.003999 second user time and 0.004999 second system time

The end

Launcher Data 

Begin job on node18 at 2009-06-17 14:57:07
IDJOB=1879336
IDBENCH=47886
IDSOLVER=701
FILE ID=node18/1879336-1245243426
PBS_JOBID= 9372320
Free space on /tmp= 66172 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/factor-mod-B/factor-mod-size=9-P0=71-P1=439-B.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1879336-1245243426/watcher-1879336-1245243426 -o /tmp/evaluation-result-1879336-1245243426/solver-1879336-1245243426 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1879336-1245243426.opb

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

MD5SUM BENCH= 2194c44e638e13eefe0fb39d44671c6b
RANDOM SEED=1778246933

node18.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		: 3000.236
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		: 3000.236
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:       1800784 kB
Buffers:         38748 kB
Cached:         143544 kB
SwapCached:       5592 kB
Active:          72400 kB
Inactive:       117812 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1800784 kB
SwapTotal:     4192956 kB
SwapFree:      4181660 kB
Dirty:            4124 kB
Writeback:           0 kB
Mapped:          13044 kB
Slab:            50932 kB
Committed_AS:   170896 kB
PageTables:       1376 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-1879336-1245243426.opb

Free space on /tmp at the end= 66168 MiB
End job on node18 at 2009-06-17 14:57:07