Trace number 452848

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
bsolo 3.0.17OPT3 1.14182 1.14258

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
roussel/factor-mod-B/factor-mod-size=7-P0=89-P1=17-P2=37-B.opb
MD5SUMb8556c61a91d14749acba7836969b871
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 benchmark0.035993
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 variables42
Total number of constraints5
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 constraints5
Minimum length of a constraint7
Maximum length of a constraint63
Number of terms in the objective function 7
Biggest coefficient in the objective function 64
Number of bits for the biggest coefficient in the objective function 7
Sum of the numbers in the objective function 127
Number of bits of the sum of numbers in the objective function 7
Biggest number in a constraint 8192
Number of bits of the biggest number in a constraint 14
Biggest sum of numbers in a constraint 32512
Number of bits of the biggest sum of numbers15
Number of products (including duplicates)98
Sum of products size (including duplicates)196
Number of different products98
Sum of products size196

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 bsolo beta version 3.0.17 - 27/04/2007 : 1600 GMT
0.00/0.00	c Developed by Vasco Manquinho 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 Memory Limit set to 1800 MB
0.00/0.00	c Instance file /tmp/evaluation/452848-1177986359/instance-452848-1177986359.opb
0.00/0.00	c File size is 1936 bytes.
0.00/0.00	c Highest Coefficient sum: 32512
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: 140 Constr: 203 98/0/105 Lit: 847 Watch. Lit: 528
0.00/0.00	c Obj. Vars: 7 (5 % of total variables)
0.00/0.00	c Pre-processing Time: 0.003 s
0.00/0.00	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.00	c        0    140      203      847    4      727    1138      0      0 0.00
0.00/0.00	c Switching off LPR mode.
0.29/0.38	c      102    140      305     5411   17      920    1252    102  10200 0.01
0.29/0.38	c      252    140      455    12850   28     1205    1378    252  14823 0.02
0.29/0.38	c      477    140      680    23175   34     1655    1516    477  14454 0.03
0.29/0.38	c      815    140     1018    38479   37     2330    1668    815  13583 0.06
0.29/0.38	c     1324    140     1527    60724   39     3321    1835   1324  11413 0.12
0.29/0.38	c     2087    140     1334    49875   37     2953    2019   1131   9529 0.22
0.29/0.38	o 5	0.377
1.09/1.13	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.09/1.13	c     3182    140     1369    51045   37     3044    1152   1166   8417 0.38
1.09/1.13	c     3283    132      881    30476   34     2039    1268    678   8483 0.39
1.09/1.13	c     3535    132     1133    41123   36     2543    1395    930   8518 0.41
1.09/1.13	c     4010    132      903    28565   31     2073    1535    700   8354 0.48
1.09/1.13	c     4824    132     1717    62625   36     3712    1689   1514   8346 0.58
1.09/1.13	c     6145    104     1261    44241   35     2824    1858   1058   8292 0.74
1.09/1.13	c     8227    104     1335    48926   36     2985    2044   1132   8490 0.97
1.09/1.13	o 3	1.127
1.09/1.14	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.09/1.14	c     9347    101     1369    44061   32     3053    1144   1166   8293 1.13
1.09/1.14	c     9449     78      839    19952   23     1950    1259    636   8332 1.13
1.09/1.14	v x1 x2 -x3 -x4 -x5 -x6 -x7 x8 x9 -x10 x11 -x12 x13 -x14 x15 -x16 x17 x18 -x19 x20 -x21 x22 -x23 -x24 -x25 -x26 -x27 -x28 x29 -x30 -x31
1.09/1.14	v -x32 -x33 -x34 -x35 -x36 -x37 -x38 -x39 -x40 -x41 -x42
1.09/1.14	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
1.09/1.14	c   15     9504    101    10290      894    20208    691   8366 1.14
1.09/1.14	c Objective: 3
1.09/1.14	s OPTIMUM FOUND
1.09/1.14	c Total time: 1.136 s

Verifier Data (download as text)

OK	3

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node68/watcher-452848-1177986359 -o ROOT/results/node68/solver-452848-1177986359 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.17 -m1800 /tmp/evaluation/452848-1177986359/instance-452848-1177986359.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 0.94 3/64 32746
/proc/meminfo: memFree=1820416/2055920 swapFree=4183864/4192956
[pid=32746] ppid=32744 vsize=11740 CPUtime=0
/proc/32746/stat : 32746 (bsolo3.0.17) R 32744 32746 30972 0 -1 4194304 375 0 0 0 0 0 0 0 18 0 1 0 274625490 12021760 345 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 10855272 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32746/statm: 2935 346 290 324 0 2004 0

[startup+0.0463709 s]
/proc/loadavg: 0.92 0.98 0.94 3/64 32746
/proc/meminfo: memFree=1820416/2055920 swapFree=4183864/4192956
[pid=32746] ppid=32744 vsize=4440 CPUtime=0.04
/proc/32746/stat : 32746 (bsolo3.0.17) R 32744 32746 30972 0 -1 4194304 512 0 0 0 4 0 0 0 18 0 1 0 274625490 4546560 481 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 10950267 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32746/statm: 1110 482 310 324 0 180 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 4440

[startup+0.101376 s]
/proc/loadavg: 0.92 0.98 0.94 3/64 32746
/proc/meminfo: memFree=1820416/2055920 swapFree=4183864/4192956
[pid=32746] ppid=32744 vsize=4828 CPUtime=0.09
/proc/32746/stat : 32746 (bsolo3.0.17) R 32744 32746 30972 0 -1 4194304 609 0 0 0 9 0 0 0 18 0 1 0 274625490 4943872 578 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 10950267 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32746/statm: 1207 578 310 324 0 277 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4828

[startup+0.301393 s]
/proc/loadavg: 0.92 0.98 0.94 3/64 32746
/proc/meminfo: memFree=1820416/2055920 swapFree=4183864/4192956
[pid=32746] ppid=32744 vsize=5352 CPUtime=0.29
/proc/32746/stat : 32746 (bsolo3.0.17) R 32744 32746 30972 0 -1 4194304 731 0 0 0 29 0 0 0 19 0 1 0 274625490 5480448 700 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4160521800 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32746/statm: 1338 700 310 324 0 408 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5352

[startup+0.701429 s]
/proc/loadavg: 0.92 0.98 0.94 3/64 32746
/proc/meminfo: memFree=1820416/2055920 swapFree=4183864/4192956
[pid=32746] ppid=32744 vsize=5352 CPUtime=0.69
/proc/32746/stat : 32746 (bsolo3.0.17) R 32744 32746 30972 0 -1 4194304 757 0 0 0 69 0 0 0 23 0 1 0 274625490 5480448 726 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 10948240 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32746/statm: 1338 726 311 324 0 408 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5352

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

[startup+1.10547 s]
/proc/loadavg: 0.92 0.98 0.94 2/65 32747
/proc/meminfo: memFree=1818680/2055920 swapFree=4183864/4192956
[pid=32746] ppid=32744 vsize=5352 CPUtime=1.09
/proc/32746/stat : 32746 (bsolo3.0.17) R 32744 32746 30972 0 -1 4194304 757 0 0 0 109 0 0 0 25 0 1 0 274625490 5480448 726 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134551052 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32746/statm: 1338 726 311 324 0 408 0
Current children cumulated CPU time (s) 1.09
Current children cumulated vsize (KiB) 5352

Child status: 0
Real time (s): 1.14258
CPU time (s): 1.14182
CPU user time (s): 1.13383
CPU system time (s): 0.007998
CPU usage (%): 99.9343
Max. virtual memory (cumulated for all children) (KiB): 5352

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.13383
system time used= 0.007998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 761
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= 12
involuntary context switches= 3

runsolver used 0.002999 second user time and 0.007998 second system time

The end

Launcher Data (download as text)

Begin job on node68 on Tue May  1 02:26:00 UTC 2007

IDJOB= 452848
IDBENCH= 47915
IDSOLVER= 199
FILE ID= node68/452848-1177986359

PBS_JOBID= 4727990

Free space on /tmp= 66558 MiB

SOLVER NAME= bsolo 3.0.17
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/factor-mod-B/factor-mod-size=7-P0=89-P1=17-P2=37-B.opb
COMMAND LINE= bsolo3.0.17 -m1800 /tmp/evaluation/452848-1177986359/instance-452848-1177986359.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node68/watcher-452848-1177986359 -o ROOT/results/node68/solver-452848-1177986359 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.17 -m1800 /tmp/evaluation/452848-1177986359/instance-452848-1177986359.opb            

META MD5SUM SOLVER= c9b15312c639dd71a11a1e3ca1b27020
MD5SUM BENCH=  b8556c61a91d14749acba7836969b871

RANDOM SEED= 812596809

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node68.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		: 3000.216
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:       1820832 kB
Buffers:          9276 kB
Cached:         153552 kB
SwapCached:       2888 kB
Active:          51100 kB
Inactive:       121360 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1820832 kB
SwapTotal:     4192956 kB
SwapFree:      4183864 kB
Dirty:            6576 kB
Writeback:           0 kB
Mapped:          15556 kB
Slab:            48760 kB
Committed_AS:  3054096 kB
PageTables:       1380 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= 66558 MiB

End job on node68 on Tue May  1 02:26:01 UTC 2007