Trace number 1878697

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 3.1 clUNSAT 30.7283 30.7355

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1110974372.opb
MD5SUMc554a2f9e460ec54fba106ea9f102f78
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 benchmark0.039993
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 1266
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 3.1 - 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-1878697-1245115564.opb
0.00/0.00	c File size is 9907 bytes.
0.00/0.00	c Highest Coefficient sum: 1266
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0.002 s
0.00/0.00	c Var: 169 Constr: 101 30/70/1 Lit: 1205 Watch. Lit: 905
0.00/0.00	c Obj. Vars: 0 (0 % of total variables)
0.00/0.00	c Pre-processing Time: 0.006 s
0.00/0.00	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.00	c        0    169       99     1179   11      882    2563      0      0 0.01
0.00/0.00	c Switching off lower bounding mode.
30.69/30.73	c      102    169      201     3526   17     1095    2820    102   7846 0.01
30.69/30.73	c      252    169      351     8859   25     1395    3103    252   9000 0.03
30.69/30.73	c      477    169      576    15586   27     1845    3414    477   9540 0.05
30.69/30.73	c      815    169      914    25825   28     2521    3756    815   8858 0.09
30.69/30.73	c     1323    169     1422    42967   30     3536    4132   1323   7603 0.17
30.69/30.73	c     2088    169     2187    68884   31     5066    4546   2088   6052 0.34
30.69/30.73	c     3234    169     3333   104056   31     7358    5001   3234   4707 0.69
30.69/30.73	c     4957    169     5056   158180   31    10805    5502   4957   3518 1.41
30.69/30.73	c     7541    169     4781   152472   31    10254    6053   4682   3006 2.51
30.69/30.73	c    11420    169     5517   182543   33    11726    6659   5418   2745 4.16
30.69/30.73	c    17242    169     4460   147063   32     9613    7325   4361   2505 6.88
30.69/30.73	c    25981    169     5651   225473   39    11994    8058   5552   2278 11.40
30.69/30.73	c    39091    169     6337   240825   38    13366    8864   6238   1944 20.11
30.69/30.73	c Backtracks by Clause: 0
30.69/30.73	c Backtracks by PB constraint: 0
30.69/30.73	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
30.69/30.73	c   13    53807  15016    87288     7426   281409   7327   1751 30.73
30.69/30.73	s UNSATISFIABLE
30.69/30.73	c Total time: 30.725 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-1878697-1245115564/watcher-1878697-1245115564 -o /tmp/evaluation-result-1878697-1245115564/solver-1878697-1245115564 -C 1800 -W 2000 -M 1800 bsolo -l1 -t1800 -m1800 HOME/instance-1878697-1245115564.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: 1.03 1.00 1.05 3/64 32267
/proc/meminfo: memFree=1086136/2055920 swapFree=4192812/4192956
[pid=32267] ppid=32265 vsize=10708 CPUtime=0
/proc/32267/stat : 32267 (bsolo) R 32265 32267 31844 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 179153733 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32267/statm: 2677 239 188 640 0 2033 0

[startup+0.0531961 s]
/proc/loadavg: 1.03 1.00 1.05 3/64 32267
/proc/meminfo: memFree=1086136/2055920 swapFree=4192812/4192956
[pid=32267] ppid=32265 vsize=10964 CPUtime=0.05
/proc/32267/stat : 32267 (bsolo) R 32265 32267 31844 0 -1 4194304 327 0 0 0 5 0 0 0 18 0 1 0 179153733 11227136 308 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32267/statm: 2741 308 195 640 0 2097 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 10964

[startup+0.1012 s]
/proc/loadavg: 1.03 1.00 1.05 3/64 32267
/proc/meminfo: memFree=1086136/2055920 swapFree=4192812/4192956
[pid=32267] ppid=32265 vsize=11092 CPUtime=0.09
/proc/32267/stat : 32267 (bsolo) R 32265 32267 31844 0 -1 4194304 374 0 0 0 9 0 0 0 18 0 1 0 179153733 11358208 355 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32267/statm: 2773 355 195 640 0 2129 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11092

[startup+0.30122 s]
/proc/loadavg: 1.03 1.00 1.05 3/64 32267
/proc/meminfo: memFree=1086136/2055920 swapFree=4192812/4192956
[pid=32267] ppid=32265 vsize=11608 CPUtime=0.29
/proc/32267/stat : 32267 (bsolo) R 32265 32267 31844 0 -1 4194304 516 0 0 0 29 0 0 0 19 0 1 0 179153733 11886592 497 1992294400 134512640 137136520 4294956256 18446744073709551615 134544122 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32267/statm: 2902 497 195 640 0 2258 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11608

[startup+0.70126 s]
/proc/loadavg: 1.03 1.00 1.05 3/64 32267
/proc/meminfo: memFree=1086136/2055920 swapFree=4192812/4192956
[pid=32267] ppid=32265 vsize=12380 CPUtime=0.69
/proc/32267/stat : 32267 (bsolo) R 32265 32267 31844 0 -1 4194304 691 0 0 0 69 0 0 0 22 0 1 0 179153733 12677120 672 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32267/statm: 3095 672 195 640 0 2451 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12380

[startup+1.50134 s]
/proc/loadavg: 1.03 1.00 1.05 2/65 32268
/proc/meminfo: memFree=1083760/2055920 swapFree=4192812/4192956
[pid=32267] ppid=32265 vsize=13284 CPUtime=1.49
/proc/32267/stat : 32267 (bsolo) R 32265 32267 31844 0 -1 4194304 931 0 0 0 149 0 0 0 25 0 1 0 179153733 13602816 912 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32267/statm: 3321 912 195 640 0 2677 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 13284

[startup+3.1015 s]
/proc/loadavg: 1.03 1.00 1.05 2/65 32268
/proc/meminfo: memFree=1082736/2055920 swapFree=4192812/4192956
[pid=32267] ppid=32265 vsize=13788 CPUtime=3.09
/proc/32267/stat : 32267 (bsolo) R 32265 32267 31844 0 -1 4194304 1041 0 0 0 308 1 0 0 25 0 1 0 179153733 14118912 1022 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32267/statm: 3447 1022 195 640 0 2803 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 13788

[startup+6.30282 s]
/proc/loadavg: 1.02 1.00 1.05 2/65 32268
/proc/meminfo: memFree=1081904/2055920 swapFree=4192812/4192956
[pid=32267] ppid=32265 vsize=14292 CPUtime=6.3
/proc/32267/stat : 32267 (bsolo) R 32265 32267 31844 0 -1 4194304 1180 0 0 0 627 3 0 0 25 0 1 0 179153733 14635008 1161 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32267/statm: 3573 1161 195 640 0 2929 0
Current children cumulated CPU time (s) 6.3
Current children cumulated vsize (KiB) 14292

[startup+12.7015 s]
/proc/loadavg: 1.02 1.00 1.05 2/65 32268
/proc/meminfo: memFree=1081200/2055920 swapFree=4192812/4192956
[pid=32267] ppid=32265 vsize=15052 CPUtime=12.69
/proc/32267/stat : 32267 (bsolo) R 32265 32267 31844 0 -1 4194304 1361 0 0 0 1265 4 0 0 25 0 1 0 179153733 15413248 1342 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32267/statm: 3763 1342 195 640 0 3119 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 15052

[startup+25.5017 s]
/proc/loadavg: 1.02 1.00 1.05 2/65 32268
/proc/meminfo: memFree=1079984/2055920 swapFree=4192812/4192956
[pid=32267] ppid=32265 vsize=16200 CPUtime=25.48
/proc/32267/stat : 32267 (bsolo) R 32265 32267 31844 0 -1 4194304 1644 0 0 0 2541 7 0 0 25 0 1 0 179153733 16588800 1625 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32267/statm: 4050 1625 195 640 0 3406 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 16200

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

[startup+28.701 s]
/proc/loadavg: 1.02 1.00 1.05 2/65 32268
/proc/meminfo: memFree=1079920/2055920 swapFree=4192812/4192956
[pid=32267] ppid=32265 vsize=16200 CPUtime=28.68
/proc/32267/stat : 32267 (bsolo) R 32265 32267 31844 0 -1 4194304 1651 0 0 0 2860 8 0 0 25 0 1 0 179153733 16588800 1632 1992294400 134512640 137136520 4294956256 18446744073709551615 134543878 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32267/statm: 4050 1632 195 640 0 3406 0
Current children cumulated CPU time (s) 28.68
Current children cumulated vsize (KiB) 16200

[startup+29.5011 s]
/proc/loadavg: 1.02 1.00 1.05 2/65 32268
/proc/meminfo: memFree=1079920/2055920 swapFree=4192812/4192956
[pid=32267] ppid=32265 vsize=16320 CPUtime=29.49
/proc/32267/stat : 32267 (bsolo) R 32265 32267 31844 0 -1 4194304 1673 0 0 0 2940 9 0 0 25 0 1 0 179153733 16711680 1654 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32267/statm: 4080 1654 195 640 0 3436 0
Current children cumulated CPU time (s) 29.49
Current children cumulated vsize (KiB) 16320

[startup+30.3012 s]
/proc/loadavg: 1.02 1.00 1.05 2/65 32268
/proc/meminfo: memFree=1079856/2055920 swapFree=4192812/4192956
[pid=32267] ppid=32265 vsize=16320 CPUtime=30.28
/proc/32267/stat : 32267 (bsolo) R 32265 32267 31844 0 -1 4194304 1673 0 0 0 3019 9 0 0 25 0 1 0 179153733 16711680 1654 1992294400 134512640 137136520 4294956256 18446744073709551615 134543933 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32267/statm: 4080 1654 195 640 0 3436 0
Current children cumulated CPU time (s) 30.28
Current children cumulated vsize (KiB) 16320

[startup+30.7012 s]
/proc/loadavg: 1.02 1.00 1.04 2/65 32268
/proc/meminfo: memFree=1079856/2055920 swapFree=4192812/4192956
[pid=32267] ppid=32265 vsize=16320 CPUtime=30.69
/proc/32267/stat : 32267 (bsolo) R 32265 32267 31844 0 -1 4194304 1673 0 0 0 3060 9 0 0 25 0 1 0 179153733 16711680 1654 1992294400 134512640 137136520 4294956256 18446744073709551615 134543865 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32267/statm: 4080 1654 195 640 0 3436 0
Current children cumulated CPU time (s) 30.69
Current children cumulated vsize (KiB) 16320

Child status: 0
Real time (s): 30.7355
CPU time (s): 30.7283
CPU user time (s): 30.6303
CPU system time (s): 0.097985
CPU usage (%): 99.9766
Max. virtual memory (cumulated for all children) (KiB): 16320

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 30.6303
system time used= 0.097985
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1675
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= 33

runsolver used 0.033994 second user time and 0.06399 second system time

The end

Launcher Data 

Begin job on node36 at 2009-06-16 03:26:04
IDJOB=1878697
IDBENCH=1196
IDSOLVER=700
FILE ID=node36/1878697-1245115564
PBS_JOBID= 9363652
Free space on /tmp= 66200 MiB

SOLVER NAME= bsolo 3.1 cl
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1110974372.opb
COMMAND LINE= bsolo -l1 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1878697-1245115564/watcher-1878697-1245115564 -o /tmp/evaluation-result-1878697-1245115564/solver-1878697-1245115564 -C 1800 -W 2000 -M 1800  bsolo -l1 -t1800 -m1800 HOME/instance-1878697-1245115564.opb

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

MD5SUM BENCH= c554a2f9e460ec54fba106ea9f102f78
RANDOM SEED=228785754

node36.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		: 3000.230
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		: 3000.230
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:       1086552 kB
Buffers:         32080 kB
Cached:         872592 kB
SwapCached:          0 kB
Active:          70444 kB
Inactive:       848116 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1086552 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3948 kB
Writeback:           0 kB
Mapped:          23696 kB
Slab:            36816 kB
Committed_AS:   154924 kB
PageTables:       1360 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= 66196 MiB
End job on node36 at 2009-06-16 03:26:35