Trace number 452923

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 0.757884 0.760972

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/
factor-mod-B/factor-mod-size=7-P0=17-P1=53-P2=109-B.opb
MD5SUM2eab9a3df979d0268940cd1121c39af7
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 benchmark0.032994
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/452923-1177996712/instance-452923-1177996712.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: 0.002 s
0.00/0.00	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.00	c        0    140      203      847    4      727    1138      0      0 0.00
0.00/0.00	c Switching off LPR mode.
0.29/0.31	c      100    140      303     5332   17      917    1252    100  12500 0.01
0.29/0.31	c      251    140      454    12511   27     1209    1378    251  15687 0.02
0.29/0.31	c      477    140      680    22798   33     1663    1516    477  14906 0.03
0.29/0.31	c      816    140     1019    37408   36     2344    1668    816  14068 0.06
0.29/0.31	c     1325    140     1528    59948   39     3361    1835   1325  12619 0.10
0.29/0.31	c     2088    140     1326    48579   36     2952    2019   1123   9666 0.22
0.29/0.31	o 37	0.311
0.69/0.71	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.69/0.71	c     2918    140     2157    84896   39     4626    1152   1954   9352 0.31
0.69/0.71	c     3018    140      880    30838   35     2046    1268    677   9314 0.32
0.69/0.71	c     3268    140     1130    42639   37     2541    1395    927   9363 0.35
0.69/0.71	c     3744    140      902    32855   36     2072    1535    699   9430 0.40
0.69/0.71	c     4557    140     1715    68136   39     3686    1689   1512   9300 0.49
0.69/0.71	c     5878    140     1301    44724   34     2896    1858   1098   8518 0.69
0.69/0.71	o 29	0.714
0.69/0.72	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.69/0.72	c     6150    131     1574    55965   35     3470    1150   1371   8613 0.71
0.69/0.72	c     6250    122      880    27361   31     2082    1266    677   8656 0.72
0.69/0.72	o 5	0.724
0.69/0.73	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.69/0.73	c     6290    122      921    28558   31     2166    1148    718   8675 0.72
0.69/0.73	o 3	0.731
0.69/0.75	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.69/0.75	c     6353    104      985    30081   30     2290    1144    782   8690 0.73
0.69/0.75	c     6454     83     1086    30966   28     2471    1259    883   8733 0.74
0.69/0.75	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
0.69/0.75	v -x32 -x33 -x34 -x35 -x36 -x37 -x38 -x39 -x40 -x41 -x42
0.69/0.75	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.69/0.75	c   17     6650    113     7535     1282    36834   1079   8807 0.76
0.69/0.75	c Objective: 3
0.69/0.75	s OPTIMUM FOUND
0.69/0.75	c Total time: 0.755 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/node62/watcher-452923-1177996712 -o ROOT/results/node62/solver-452923-1177996712 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.17 -m1800 /tmp/evaluation/452923-1177996712/instance-452923-1177996712.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: 1.00 1.10 1.17 3/64 32565
/proc/meminfo: memFree=1819232/2055920 swapFree=4184544/4192956
[pid=32565] ppid=32563 vsize=4056 CPUtime=0
/proc/32565/stat : 32565 (bsolo3.0.17) R 32563 32565 31818 0 -1 4194304 402 0 0 0 0 0 0 0 18 0 1 0 118247226 4153344 371 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 0 0 0
/proc/32565/statm: 1014 371 305 324 0 84 0

[startup+0.0389679 s]
/proc/loadavg: 1.00 1.10 1.17 3/64 32565
/proc/meminfo: memFree=1819232/2055920 swapFree=4184544/4192956
[pid=32565] ppid=32563 vsize=4316 CPUtime=0.03
/proc/32565/stat : 32565 (bsolo3.0.17) R 32563 32565 31818 0 -1 4194304 495 0 0 0 3 0 0 0 18 0 1 0 118247226 4419584 464 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 4160521825 0 0 4096 16384 0 0 0 17 0 0 0
/proc/32565/statm: 1079 465 310 324 0 149 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 4316

[startup+0.101975 s]
/proc/loadavg: 1.00 1.10 1.17 3/64 32565
/proc/meminfo: memFree=1819232/2055920 swapFree=4184544/4192956
[pid=32565] ppid=32563 vsize=4836 CPUtime=0.09
/proc/32565/stat : 32565 (bsolo3.0.17) R 32563 32565 31818 0 -1 4194304 622 0 0 0 9 0 0 0 18 0 1 0 118247226 4952064 591 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 8541819 0 0 4096 16384 0 0 0 17 0 0 0
/proc/32565/statm: 1209 591 310 324 0 279 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4836

[startup+0.301998 s]
/proc/loadavg: 1.00 1.10 1.17 3/64 32565
/proc/meminfo: memFree=1819232/2055920 swapFree=4184544/4192956
[pid=32565] ppid=32563 vsize=5232 CPUtime=0.29
/proc/32565/stat : 32565 (bsolo3.0.17) R 32563 32565 31818 0 -1 4194304 726 0 0 0 29 0 0 0 19 0 1 0 118247226 5357568 695 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134551114 0 0 4096 16384 0 0 0 17 0 0 0
/proc/32565/statm: 1308 695 310 324 0 378 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5232

[startup+0.701046 s]
/proc/loadavg: 1.00 1.10 1.17 3/64 32565
/proc/meminfo: memFree=1819232/2055920 swapFree=4184544/4192956
[pid=32565] ppid=32563 vsize=5360 CPUtime=0.69
/proc/32565/stat : 32565 (bsolo3.0.17) R 32563 32565 31818 0 -1 4194304 735 0 0 0 69 0 0 0 23 0 1 0 118247226 5488640 704 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134550808 0 0 4096 16384 0 0 0 17 0 0 0
/proc/32565/statm: 1340 704 311 324 0 410 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5360

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

Child status: 0
Real time (s): 0.760972
CPU time (s): 0.757884
CPU user time (s): 0.752885
CPU system time (s): 0.004999
CPU usage (%): 99.5942
Max. virtual memory (cumulated for all children) (KiB): 5360

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.752885
system time used= 0.004999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 739
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= 1

runsolver used 0.002999 second user time and 0.005999 second system time

The end

Launcher Data (download as text)

Begin job on node62 on Tue May  1 05:18:32 UTC 2007

IDJOB= 452923
IDBENCH= 47990
IDSOLVER= 199
FILE ID= node62/452923-1177996712

PBS_JOBID= 4728248

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=17-P1=53-P2=109-B.opb
COMMAND LINE= bsolo3.0.17 -m1800 /tmp/evaluation/452923-1177996712/instance-452923-1177996712.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node62/watcher-452923-1177996712 -o ROOT/results/node62/solver-452923-1177996712 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.17 -m1800 /tmp/evaluation/452923-1177996712/instance-452923-1177996712.opb            

META MD5SUM SOLVER= c9b15312c639dd71a11a1e3ca1b27020
MD5SUM BENCH=  2eab9a3df979d0268940cd1121c39af7

RANDOM SEED= 16061347

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node62.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:       1819704 kB
Buffers:         10928 kB
Cached:         152628 kB
SwapCached:       2296 kB
Active:          77872 kB
Inactive:        95704 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1819704 kB
SwapTotal:     4192956 kB
SwapFree:      4184544 kB
Dirty:            6576 kB
Writeback:           0 kB
Mapped:          16456 kB
Slab:            48608 kB
Committed_AS:  1340672 kB
PageTables:       1464 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 node62 on Tue May  1 05:18:33 UTC 2007