Trace number 2657627

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 NameAnswerCPU timeWall clock time
bsolo 3.2 ClUNSAT 48.5376 48.5543

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1110971697.opb
MD5SUMc9a87792271871ea771a066925b39a9d
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark0.138978
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables169
Total number of constraints101
Number of constraints which are clauses30
Number of constraints which are cardinality constraints (but not clauses)70
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint169
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 38
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 1238
Number of bits of the biggest sum of numbers11
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.00	c bsolo beta version 3.2 - 23/05/2010 : 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 Time Limit set to 1800
0.00/0.00	c Learning Strategy: Clause Learning
0.00/0.00	c Instance file HOME/instance-2657627-1276272977.opb
0.00/0.00	c File size is 9902 bytes.
0.00/0.00	c Highest Coefficient sum: 1238
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: 169 Constr: 101 30/70/1 Lit: 1205 Watch. Lit: 899
0.00/0.00	c Obj. Vars: 0 (0 % of total variables)
0.00/0.01	c Pre-processing Time: 0.006 s
0.00/0.01	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.01	c        0    169       99     1179   11      879    2563      0      0 0.01
0.00/0.01	c Switching off lower bounding mode.
48.47/48.55	c      100    169      199     4123   20     1090    2820    100   7142 0.01
48.47/48.55	c      252    169      351    10059   28     1393    3103    252   8400 0.03
48.47/48.55	c      478    169      577    18232   31     1844    3414    478   8851 0.05
48.47/48.55	c      816    169      915    31417   34     2521    3756    816   7555 0.11
48.47/48.55	c     1326    169     1425    50883   35     3542    4132   1326   6314 0.21
48.47/48.55	c     2089    169     2188    77995   35     5065    4546   2089   5132 0.41
48.47/48.55	c     3235    169     3334   115576   34     7361    5001   3235   4195 0.77
48.47/48.55	c     4956    169     5055   172082   34    10800    5502   4956   3254 1.52
48.47/48.55	c     7545    169     4806   168666   35    10304    6053   4707   2851 2.65
48.47/48.55	c    11425    169     5568   220602   39    11826    6659   5469   2450 4.66
48.47/48.55	c    17247    169     4570   167898   36     9832    7325   4471   2218 7.78
48.47/48.55	c    25984    169     5774   237975   41    12240    8058   5675   1983 13.10
48.47/48.55	c    39094    169     6496   259748   39    13682    8864   6397   1721 22.71
48.47/48.55	c    58766    169     8047   343036   42    16786    9751   7948   1524 38.55
48.47/48.55	c Backtracks by Clause: 0
48.47/48.55	c Backtracks by PB constraint: 0
48.47/48.55	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
48.47/48.55	c   14    69947  17122   104744     9238   366399   9139   1441 48.53
48.47/48.55	s UNSATISFIABLE
48.47/48.55	c Total time: 48.535 s

Verifier Data 

ERROR: no interpretation found !

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2657627-1276272977/watcher-2657627-1276272977 -o /tmp/evaluation-result-2657627-1276272977/solver-2657627-1276272977 -C 1800 -W 2000 -M 1800 bsolo_pb10 -t1800 -l1 HOME/instance-2657627-1276272977.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: 1.15 1.22 1.09 2/106 4396
/proc/meminfo: memFree=1573500/2059040 swapFree=4192956/4192956
[pid=4396] ppid=4394 vsize=10792 CPUtime=0
/proc/4396/stat : 4396 (bsolo_pb10) R 4394 4396 3363 0 -1 4202496 321 0 0 0 0 0 0 0 22 0 1 0 2901346 11051008 236 1992294400 134512640 137138936 4289712976 18446744073709551615 136570369 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/4396/statm: 2698 236 184 642 0 2054 0

[startup+0.0412029 s]
/proc/loadavg: 1.15 1.22 1.09 2/106 4396
/proc/meminfo: memFree=1573500/2059040 swapFree=4192956/4192956
[pid=4396] ppid=4394 vsize=10920 CPUtime=0.03
/proc/4396/stat : 4396 (bsolo_pb10) R 4394 4396 3363 0 -1 4202496 372 0 0 0 3 0 0 0 22 0 1 0 2901346 11182080 287 1992294400 134512640 137138936 4289712976 18446744073709551615 134542233 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/4396/statm: 2730 287 190 642 0 2086 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 10920

[startup+0.101247 s]
/proc/loadavg: 1.15 1.22 1.09 2/106 4396
/proc/meminfo: memFree=1573500/2059040 swapFree=4192956/4192956
[pid=4396] ppid=4394 vsize=11176 CPUtime=0.09
/proc/4396/stat : 4396 (bsolo_pb10) R 4394 4396 3363 0 -1 4202496 438 0 0 0 9 0 0 0 22 0 1 0 2901346 11444224 353 1992294400 134512640 137138936 4289712976 18446744073709551615 134600353 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/4396/statm: 2794 353 190 642 0 2150 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11176

[startup+0.300236 s]
/proc/loadavg: 1.15 1.22 1.09 2/106 4396
/proc/meminfo: memFree=1573500/2059040 swapFree=4192956/4192956
[pid=4396] ppid=4394 vsize=11692 CPUtime=0.29
/proc/4396/stat : 4396 (bsolo_pb10) R 4394 4396 3363 0 -1 4202496 573 0 0 0 29 0 0 0 23 0 1 0 2901346 11972608 488 1992294400 134512640 137138936 4289712976 18446744073709551615 136502659 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/4396/statm: 2923 489 190 642 0 2279 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11692

[startup+0.700285 s]
/proc/loadavg: 1.15 1.22 1.09 2/106 4396
/proc/meminfo: memFree=1573500/2059040 swapFree=4192956/4192956
[pid=4396] ppid=4394 vsize=12456 CPUtime=0.68
/proc/4396/stat : 4396 (bsolo_pb10) R 4394 4396 3363 0 -1 4202496 753 0 0 0 68 0 0 0 25 0 1 0 2901346 12754944 668 1992294400 134512640 137138936 4289712976 18446744073709551615 134542286 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/4396/statm: 3114 668 190 642 0 2470 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 12456

[startup+1.50038 s]
/proc/loadavg: 1.15 1.22 1.09 2/107 4397
/proc/meminfo: memFree=1571136/2059040 swapFree=4192956/4192956
[pid=4396] ppid=4394 vsize=13480 CPUtime=1.48
/proc/4396/stat : 4396 (bsolo_pb10) R 4394 4396 3363 0 -1 4202496 1004 0 0 0 147 1 0 0 25 0 1 0 2901346 13803520 919 1992294400 134512640 137138936 4289712976 18446744073709551615 135984569 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/4396/statm: 3370 919 190 642 0 2726 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 13480

[startup+3.10058 s]
/proc/loadavg: 1.14 1.21 1.09 2/107 4397
/proc/meminfo: memFree=1569772/2059040 swapFree=4192956/4192956
[pid=4396] ppid=4394 vsize=13868 CPUtime=3.08
/proc/4396/stat : 4396 (bsolo_pb10) R 4394 4396 3363 0 -1 4202496 1118 0 0 0 306 2 0 0 25 0 1 0 2901346 14200832 1033 1992294400 134512640 137138936 4289712976 18446744073709551615 134542915 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/4396/statm: 3467 1033 190 642 0 2823 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 13868

[startup+6.30097 s]
/proc/loadavg: 1.14 1.21 1.09 2/107 4397
/proc/meminfo: memFree=1568904/2059040 swapFree=4192956/4192956
[pid=4396] ppid=4394 vsize=14892 CPUtime=6.29
/proc/4396/stat : 4396 (bsolo_pb10) R 4394 4396 3363 0 -1 4202496 1369 0 0 0 625 4 0 0 25 0 1 0 2901346 15249408 1284 1992294400 134512640 137138936 4289712976 18446744073709551615 134542214 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/4396/statm: 3723 1284 190 642 0 3079 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 14892

[startup+12.7008 s]
/proc/loadavg: 1.12 1.20 1.09 2/107 4399
/proc/meminfo: memFree=1568036/2059040 swapFree=4192956/4192956
[pid=4396] ppid=4394 vsize=15528 CPUtime=12.69
/proc/4396/stat : 4396 (bsolo_pb10) R 4394 4396 3363 0 -1 4202496 1525 0 0 0 1262 7 0 0 25 0 1 0 2901346 15900672 1440 1992294400 134512640 137138936 4289712976 18446744073709551615 134542770 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/4396/statm: 3882 1440 190 642 0 3238 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 15528

[startup+25.5013 s]
/proc/loadavg: 1.10 1.20 1.09 2/107 4399
/proc/meminfo: memFree=1567292/2059040 swapFree=4192956/4192956
[pid=4396] ppid=4394 vsize=16424 CPUtime=25.48
/proc/4396/stat : 4396 (bsolo_pb10) R 4394 4396 3363 0 -1 4202496 1752 0 0 0 2538 10 0 0 25 0 1 0 2901346 16818176 1667 1992294400 134512640 137138936 4289712976 18446744073709551615 136504470 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/4396/statm: 4106 1667 190 642 0 3462 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 16424

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

[startup+38.3008 s]
/proc/loadavg: 1.08 1.19 1.09 2/107 4399
/proc/meminfo: memFree=1566796/2059040 swapFree=4192956/4192956
[pid=4396] ppid=4394 vsize=16676 CPUtime=38.28
/proc/4396/stat : 4396 (bsolo_pb10) R 4394 4396 3363 0 -1 4202496 1812 0 0 0 3815 13 0 0 25 0 1 0 2901346 17076224 1727 1992294400 134512640 137138936 4289712976 18446744073709551615 135984592 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/4396/statm: 4169 1727 190 642 0 3525 0
Current children cumulated CPU time (s) 38.28
Current children cumulated vsize (KiB) 16676

[startup+44.7005 s]
/proc/loadavg: 1.07 1.18 1.08 2/107 4399
/proc/meminfo: memFree=1566176/2059040 swapFree=4192956/4192956
[pid=4396] ppid=4394 vsize=17316 CPUtime=44.67
/proc/4396/stat : 4396 (bsolo_pb10) R 4394 4396 3363 0 -1 4202496 1984 0 0 0 4453 14 0 0 25 0 1 0 2901346 17731584 1899 1992294400 134512640 137138936 4289712976 18446744073709551615 134542233 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/4396/statm: 4329 1899 190 642 0 3685 0
Current children cumulated CPU time (s) 44.67
Current children cumulated vsize (KiB) 17316

[startup+46.3007 s]
/proc/loadavg: 1.07 1.18 1.08 2/107 4399
/proc/meminfo: memFree=1566176/2059040 swapFree=4192956/4192956
[pid=4396] ppid=4394 vsize=17316 CPUtime=46.28
/proc/4396/stat : 4396 (bsolo_pb10) R 4394 4396 3363 0 -1 4202496 1984 0 0 0 4613 15 0 0 25 0 1 0 2901346 17731584 1899 1992294400 134512640 137138936 4289712976 18446744073709551615 134542886 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/4396/statm: 4329 1899 190 642 0 3685 0
Current children cumulated CPU time (s) 46.28
Current children cumulated vsize (KiB) 17316

[startup+47.9009 s]
/proc/loadavg: 1.06 1.18 1.08 2/107 4399
/proc/meminfo: memFree=1566176/2059040 swapFree=4192956/4192956
[pid=4396] ppid=4394 vsize=17316 CPUtime=47.87
/proc/4396/stat : 4396 (bsolo_pb10) R 4394 4396 3363 0 -1 4202496 1984 0 0 0 4772 15 0 0 25 0 1 0 2901346 17731584 1899 1992294400 134512640 137138936 4289712976 18446744073709551615 134542202 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/4396/statm: 4329 1899 190 642 0 3685 0
Current children cumulated CPU time (s) 47.87
Current children cumulated vsize (KiB) 17316

[startup+48.3009 s]
/proc/loadavg: 1.06 1.18 1.08 2/107 4399
/proc/meminfo: memFree=1566176/2059040 swapFree=4192956/4192956
[pid=4396] ppid=4394 vsize=17316 CPUtime=48.28
/proc/4396/stat : 4396 (bsolo_pb10) R 4394 4396 3363 0 -1 4202496 1984 0 0 0 4813 15 0 0 25 0 1 0 2901346 17731584 1899 1992294400 134512640 137138936 4289712976 18446744073709551615 134542233 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/4396/statm: 4329 1899 190 642 0 3685 0
Current children cumulated CPU time (s) 48.28
Current children cumulated vsize (KiB) 17316

[startup+48.501 s]
/proc/loadavg: 1.06 1.18 1.08 2/107 4399
/proc/meminfo: memFree=1566176/2059040 swapFree=4192956/4192956
[pid=4396] ppid=4394 vsize=17316 CPUtime=48.47
/proc/4396/stat : 4396 (bsolo_pb10) R 4394 4396 3363 0 -1 4202496 1984 0 0 0 4832 15 0 0 25 0 1 0 2901346 17731584 1899 1992294400 134512640 137138936 4289712976 18446744073709551615 134542202 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/4396/statm: 4329 1899 190 642 0 3685 0
Current children cumulated CPU time (s) 48.47
Current children cumulated vsize (KiB) 17316

Child status: 0
Real time (s): 48.5543
CPU time (s): 48.5376
CPU user time (s): 48.3786
CPU system time (s): 0.158975
CPU usage (%): 99.9656
Max. virtual memory (cumulated for all children) (KiB): 17316

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 48.3786
system time used= 0.158975
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1985
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= 1
involuntary context switches= 265

runsolver used 0.080987 second user time and 0.239963 second system time

The end

Launcher Data 

Begin job on node006 at 2010-06-11 18:16:17
IDJOB=2657627
IDBENCH=1190
IDSOLVER=1163
FILE ID=node006/2657627-1276272977
PBS_JOBID= 11172204
Free space on /tmp= 62472 MiB

SOLVER NAME= bsolo 3.2 Cl
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1110971697.opb
COMMAND LINE= bsolo_pb10 -tTIMEOUT -l1 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2657627-1276272977/watcher-2657627-1276272977 -o /tmp/evaluation-result-2657627-1276272977/solver-2657627-1276272977 -C 1800 -W 2000 -M 1800  bsolo_pb10 -t1800 -l1 HOME/instance-2657627-1276272977.opb

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

MD5SUM BENCH= c9a87792271871ea771a066925b39a9d
RANDOM SEED=1965601933

node006.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/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		: 3000.204
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.40
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		: 3000.204
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.45
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1574028 kB
Buffers:         48788 kB
Cached:         310604 kB
SwapCached:          0 kB
Active:         163652 kB
Inactive:       255044 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1574028 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            3972 kB
Writeback:           0 kB
AnonPages:       59280 kB
Mapped:          15484 kB
Slab:            44620 kB
PageTables:       3944 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182056 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62468 MiB
End job on node006 at 2010-06-11 18:17:05