Trace number 1878764

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 59.365 59.384

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111223004.opb
MD5SUM651d3a6cc64ca34df144139e51ae2bf7
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 benchmark2.40263
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 1227
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-1878764-1245115927.opb
0.00/0.00	c File size is 9911 bytes.
0.00/0.00	c Highest Coefficient sum: 1227
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0 s
0.00/0.00	c Var: 169 Constr: 101 30/70/1 Lit: 1205 Watch. Lit: 898
0.00/0.00	c Obj. Vars: 0 (0 % of total variables)
0.00/0.00	c Pre-processing Time: 0.004 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      880    2563      0      0 0.00
0.00/0.00	c Switching off lower bounding mode.
59.28/59.38	c      100    169      199     4127   20     1089    2820    100   9090 0.01
59.28/59.38	c      250    169      349     8962   25     1390    3103    250  10416 0.02
59.28/59.38	c      478    169      577    16108   27     1844    3414    478  10622 0.04
59.28/59.38	c      817    169      916    24495   26     2525    3756    817   9726 0.08
59.28/59.38	c     1325    169     1424    39946   28     3540    4132   1325   8660 0.15
59.28/59.38	c     2088    169     2187    66953   30     5064    4546   2088   6959 0.30
59.28/59.38	c     3234    169     3333   101757   30     7357    5001   3234   5490 0.59
59.28/59.38	c     4955    169     5054   161129   31    10798    5502   4955   4091 1.21
59.28/59.38	c     7542    169     4794   158222   33    10280    6053   4695   3337 2.26
59.28/59.38	c    11421    169     5538   185274   33    11767    6659   5439   2971 3.84
59.28/59.38	c    17243    169     4491   167760   37     9674    7325   4392   2530 6.82
59.28/59.38	c    25981    169     5708   226140   39    12108    8058   5609   2217 11.71
59.28/59.38	c    39092    169     6400   249819   39    13491    8864   6301   1943 20.11
59.28/59.38	c    58763    169     7895   331001   41    16482    9751   7796   1687 34.82
59.28/59.38	c Backtracks by Clause: 0
59.28/59.38	c Backtracks by PB constraint: 0
59.28/59.38	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
59.28/59.38	c   14    87163  21235   130522     6405   242814   6306   1468 59.36
59.28/59.38	s UNSATISFIABLE
59.28/59.38	c Total time: 59.361 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-1878764-1245115927/watcher-1878764-1245115927 -o /tmp/evaluation-result-1878764-1245115927/solver-1878764-1245115927 -C 1800 -W 2000 -M 1800 bsolo -l1 -t1800 -m1800 HOME/instance-1878764-1245115927.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: 1.02 0.98 1.04 3/65 32619
/proc/meminfo: memFree=890576/2055920 swapFree=4192812/4192956
[pid=32619] ppid=32617 vsize=10708 CPUtime=0
/proc/32619/stat : 32619 (bsolo) R 32617 32619 32018 0 -1 4194304 258 0 0 0 0 0 0 0 20 0 1 0 168119190 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32619/statm: 2677 239 188 640 0 2033 0

[startup+0.0360411 s]
/proc/loadavg: 1.02 0.98 1.04 3/65 32619
/proc/meminfo: memFree=890576/2055920 swapFree=4192812/4192956
[pid=32619] ppid=32617 vsize=10836 CPUtime=0.03
/proc/32619/stat : 32619 (bsolo) R 32617 32619 32018 0 -1 4194304 311 0 0 0 3 0 0 0 20 0 1 0 168119190 11096064 292 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32619/statm: 2709 292 195 640 0 2065 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 10836

[startup+0.101092 s]
/proc/loadavg: 1.02 0.98 1.04 3/65 32619
/proc/meminfo: memFree=890576/2055920 swapFree=4192812/4192956
[pid=32619] ppid=32617 vsize=11096 CPUtime=0.09
/proc/32619/stat : 32619 (bsolo) R 32617 32619 32018 0 -1 4194304 373 0 0 0 9 0 0 0 20 0 1 0 168119190 11362304 354 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32619/statm: 2774 354 195 640 0 2130 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11096

[startup+0.301065 s]
/proc/loadavg: 1.02 0.98 1.04 3/65 32619
/proc/meminfo: memFree=890576/2055920 swapFree=4192812/4192956
[pid=32619] ppid=32617 vsize=11732 CPUtime=0.29
/proc/32619/stat : 32619 (bsolo) R 32617 32619 32018 0 -1 4194304 535 0 0 0 29 0 0 0 22 0 1 0 168119190 12013568 516 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32619/statm: 2933 516 195 640 0 2289 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11732

[startup+0.701102 s]
/proc/loadavg: 1.02 0.98 1.04 3/65 32619
/proc/meminfo: memFree=890576/2055920 swapFree=4192812/4192956
[pid=32619] ppid=32617 vsize=12492 CPUtime=0.68
/proc/32619/stat : 32619 (bsolo) R 32617 32619 32018 0 -1 4194304 723 0 0 0 68 0 0 0 25 0 1 0 168119190 12791808 704 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32619/statm: 3123 704 195 640 0 2479 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 12492

[startup+1.50118 s]
/proc/loadavg: 1.02 0.98 1.04 2/66 32620
/proc/meminfo: memFree=888072/2055920 swapFree=4192812/4192956
[pid=32619] ppid=32617 vsize=13516 CPUtime=1.49
/proc/32619/stat : 32619 (bsolo) R 32617 32619 32018 0 -1 4194304 991 0 0 0 148 1 0 0 25 0 1 0 168119190 13840384 972 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32619/statm: 3379 972 195 640 0 2735 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 13516

[startup+3.10133 s]
/proc/loadavg: 1.02 0.98 1.04 2/66 32620
/proc/meminfo: memFree=887240/2055920 swapFree=4192812/4192956
[pid=32619] ppid=32617 vsize=14020 CPUtime=3.09
/proc/32619/stat : 32619 (bsolo) R 32617 32619 32018 0 -1 4194304 1117 0 0 0 307 2 0 0 25 0 1 0 168119190 14356480 1098 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32619/statm: 3505 1098 195 640 0 2861 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 14020

[startup+6.30163 s]
/proc/loadavg: 1.02 0.98 1.04 2/66 32620
/proc/meminfo: memFree=886408/2055920 swapFree=4192812/4192956
[pid=32619] ppid=32617 vsize=14636 CPUtime=6.29
/proc/32619/stat : 32619 (bsolo) R 32617 32619 32018 0 -1 4194304 1262 0 0 0 626 3 0 0 25 0 1 0 168119190 14987264 1243 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32619/statm: 3659 1243 195 640 0 3015 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 14636

[startup+12.7022 s]
/proc/loadavg: 1.02 0.98 1.04 2/66 32620
/proc/meminfo: memFree=885448/2055920 swapFree=4192812/4192956
[pid=32619] ppid=32617 vsize=15276 CPUtime=12.69
/proc/32619/stat : 32619 (bsolo) R 32617 32619 32018 0 -1 4194304 1433 0 0 0 1264 5 0 0 25 0 1 0 168119190 15642624 1414 1992294400 134512640 137136520 4294956256 18446744073709551615 135982506 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32619/statm: 3819 1414 195 640 0 3175 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 15276

[startup+25.5014 s]
/proc/loadavg: 1.01 0.98 1.03 2/66 32620
/proc/meminfo: memFree=884424/2055920 swapFree=4192812/4192956
[pid=32619] ppid=32617 vsize=16408 CPUtime=25.49
/proc/32619/stat : 32619 (bsolo) R 32617 32619 32018 0 -1 4194304 1695 0 0 0 2540 9 0 0 25 0 1 0 168119190 16801792 1676 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32619/statm: 4102 1676 195 640 0 3458 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 16408

[startup+51.1018 s]
/proc/loadavg: 1.01 0.98 1.03 2/66 32620
/proc/meminfo: memFree=883336/2055920 swapFree=4192812/4192956
[pid=32619] ppid=32617 vsize=17432 CPUtime=51.07
/proc/32619/stat : 32619 (bsolo) R 32617 32619 32018 0 -1 4194304 1971 0 0 0 5094 13 0 0 25 0 1 0 168119190 17850368 1952 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32619/statm: 4358 1952 195 640 0 3714 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 17432

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

[startup+54.3011 s]
/proc/loadavg: 1.01 0.98 1.03 2/66 32620
/proc/meminfo: memFree=883336/2055920 swapFree=4192812/4192956
[pid=32619] ppid=32617 vsize=17432 CPUtime=54.27
/proc/32619/stat : 32619 (bsolo) R 32617 32619 32018 0 -1 4194304 1971 0 0 0 5413 14 0 0 25 0 1 0 168119190 17850368 1952 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32619/statm: 4358 1952 195 640 0 3714 0
Current children cumulated CPU time (s) 54.27
Current children cumulated vsize (KiB) 17432

[startup+57.5014 s]
/proc/loadavg: 1.01 0.98 1.03 2/66 32620
/proc/meminfo: memFree=883336/2055920 swapFree=4192812/4192956
[pid=32619] ppid=32617 vsize=17432 CPUtime=57.47
/proc/32619/stat : 32619 (bsolo) R 32617 32619 32018 0 -1 4194304 1971 0 0 0 5733 14 0 0 25 0 1 0 168119190 17850368 1952 1992294400 134512640 137136520 4294956256 18446744073709551615 134543865 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32619/statm: 4358 1952 195 640 0 3714 0
Current children cumulated CPU time (s) 57.47
Current children cumulated vsize (KiB) 17432

[startup+58.3055 s]
/proc/loadavg: 1.01 0.98 1.03 2/66 32620
/proc/meminfo: memFree=883336/2055920 swapFree=4192812/4192956
[pid=32619] ppid=32617 vsize=17432 CPUtime=58.28
/proc/32619/stat : 32619 (bsolo) R 32617 32619 32018 0 -1 4194304 1971 0 0 0 5813 15 0 0 25 0 1 0 168119190 17850368 1952 1992294400 134512640 137136520 4294956256 18446744073709551615 134543927 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32619/statm: 4358 1952 195 640 0 3714 0
Current children cumulated CPU time (s) 58.28
Current children cumulated vsize (KiB) 17432

[startup+59.1016 s]
/proc/loadavg: 1.01 0.98 1.03 2/66 32620
/proc/meminfo: memFree=883336/2055920 swapFree=4192812/4192956
[pid=32619] ppid=32617 vsize=17432 CPUtime=59.07
/proc/32619/stat : 32619 (bsolo) R 32617 32619 32018 0 -1 4194304 1971 0 0 0 5892 15 0 0 25 0 1 0 168119190 17850368 1952 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32619/statm: 4358 1952 195 640 0 3714 0
Current children cumulated CPU time (s) 59.07
Current children cumulated vsize (KiB) 17432

[startup+59.3016 s]
/proc/loadavg: 1.01 0.98 1.03 2/66 32620
/proc/meminfo: memFree=883336/2055920 swapFree=4192812/4192956
[pid=32619] ppid=32617 vsize=17432 CPUtime=59.28
/proc/32619/stat : 32619 (bsolo) R 32617 32619 32018 0 -1 4194304 1971 0 0 0 5913 15 0 0 25 0 1 0 168119190 17850368 1952 1992294400 134512640 137136520 4294956256 18446744073709551615 134543865 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32619/statm: 4358 1952 195 640 0 3714 0
Current children cumulated CPU time (s) 59.28
Current children cumulated vsize (KiB) 17432

Child status: 0
Real time (s): 59.384
CPU time (s): 59.365
CPU user time (s): 59.208
CPU system time (s): 0.156976
CPU usage (%): 99.968
Max. virtual memory (cumulated for all children) (KiB): 17432

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 59.208
system time used= 0.156976
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1973
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= 150

runsolver used 0.067989 second user time and 0.153976 second system time

The end

Launcher Data 

Begin job on node8 at 2009-06-16 03:32:07
IDJOB=1878764
IDBENCH=1263
IDSOLVER=700
FILE ID=node8/1878764-1245115927
PBS_JOBID= 9363662
Free space on /tmp= 66316 MiB

SOLVER NAME= bsolo 3.1 cl
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111223004.opb
COMMAND LINE= bsolo -l1 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1878764-1245115927/watcher-1878764-1245115927 -o /tmp/evaluation-result-1878764-1245115927/solver-1878764-1245115927 -C 1800 -W 2000 -M 1800  bsolo -l1 -t1800 -m1800 HOME/instance-1878764-1245115927.opb

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

MD5SUM BENCH= 651d3a6cc64ca34df144139e51ae2bf7
RANDOM SEED=1927179186

node8.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		: 3000.234
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		: 3000.234
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:        891056 kB
Buffers:         89380 kB
Cached:         965432 kB
SwapCached:        140 kB
Active:         149424 kB
Inactive:       920312 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        891056 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            4192 kB
Writeback:           0 kB
Mapped:          24592 kB
Slab:            80944 kB
Committed_AS:   158556 kB
PageTables:       1376 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66312 MiB
End job on node8 at 2009-06-16 03:33:07