Trace number 1878734

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 41.7686 41.7878

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1110969170.opb
MD5SUMc40b249e67431ed3407a98dac8d92148
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 benchmark0.040993
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-1878734-1245115800.opb
0.00/0.00	c File size is 9900 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: 0.001 s
0.00/0.00	c Var: 169 Constr: 101 30/70/1 Lit: 1205 Watch. Lit: 901
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      880    2563      0      0 0.01
0.00/0.00	c Switching off lower bounding mode.
41.68/41.78	c      101    169      200     3482   17     1091    2820    101   7769 0.01
41.68/41.78	c      254    169      353     8682   24     1399    3103    254   9407 0.03
41.68/41.78	c      480    169      579    14778   25     1849    3414    480   9600 0.05
41.68/41.78	c      819    169      918    24021   26     2529    3756    819   9100 0.09
41.68/41.78	c     1329    169     1428    40208   28     3548    4132   1329   7466 0.18
41.68/41.78	c     2094    169     2193    63133   28     5078    4546   2094   6462 0.32
41.68/41.78	c     3242    169     3341    98453   29     7373    5001   3242   5203 0.62
41.68/41.78	c     4966    169     5065   152530   30    10823    5502   4966   3793 1.31
41.68/41.78	c     7554    169     4791   143580   29    10273    6053   4692   3446 2.19
41.68/41.78	c    11433    169     5556   177928   32    11804    6659   5457   3103 3.68
41.68/41.78	c    17257    169     4531   155769   34     9753    7325   4432   2662 6.48
41.68/41.78	c    25994    169     5720   209077   36    12130    8058   5621   2318 11.21
41.68/41.78	c    39105    169     6455   251363   38    13601    8864   6356   1952 20.03
41.68/41.78	c    58775    169     7998   328099   41    16687    9751   7899   1686 34.84
41.68/41.78	c Backtracks by Clause: 0
41.68/41.78	c Backtracks by PB constraint: 0
41.68/41.78	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
41.68/41.78	c   14    67729  18537   107291     6976   277900   6877   1621 41.77
41.68/41.78	s UNSATISFIABLE
41.68/41.78	c Total time: 41.766 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-1878734-1245115800/watcher-1878734-1245115800 -o /tmp/evaluation-result-1878734-1245115800/solver-1878734-1245115800 -C 1800 -W 2000 -M 1800 bsolo -l1 -t1800 -m1800 HOME/instance-1878734-1245115800.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: 0.97 0.98 1.04 3/64 31192
/proc/meminfo: memFree=1501216/2055920 swapFree=4192812/4192956
[pid=31192] ppid=31190 vsize=10708 CPUtime=0
/proc/31192/stat : 31192 (bsolo) R 31190 31192 30391 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 179180437 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31192/statm: 2677 239 188 640 0 2033 0

[startup+0.042748 s]
/proc/loadavg: 0.97 0.98 1.04 3/64 31192
/proc/meminfo: memFree=1501216/2055920 swapFree=4192812/4192956
[pid=31192] ppid=31190 vsize=10836 CPUtime=0.04
/proc/31192/stat : 31192 (bsolo) R 31190 31192 30391 0 -1 4194304 313 0 0 0 4 0 0 0 18 0 1 0 179180437 11096064 294 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31192/statm: 2709 294 195 640 0 2065 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 10836

[startup+0.101757 s]
/proc/loadavg: 0.97 0.98 1.04 3/64 31192
/proc/meminfo: memFree=1501216/2055920 swapFree=4192812/4192956
[pid=31192] ppid=31190 vsize=11096 CPUtime=0.09
/proc/31192/stat : 31192 (bsolo) R 31190 31192 30391 0 -1 4194304 369 0 0 0 9 0 0 0 18 0 1 0 179180437 11362304 350 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31192/statm: 2774 350 195 640 0 2130 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11096

[startup+0.301791 s]
/proc/loadavg: 0.97 0.98 1.04 3/64 31192
/proc/meminfo: memFree=1501216/2055920 swapFree=4192812/4192956
[pid=31192] ppid=31190 vsize=11616 CPUtime=0.29
/proc/31192/stat : 31192 (bsolo) R 31190 31192 30391 0 -1 4194304 510 0 0 0 29 0 0 0 19 0 1 0 179180437 11894784 491 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31192/statm: 2904 491 195 640 0 2260 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11616

[startup+0.701856 s]
/proc/loadavg: 0.97 0.98 1.04 3/64 31192
/proc/meminfo: memFree=1501216/2055920 swapFree=4192812/4192956
[pid=31192] ppid=31190 vsize=12384 CPUtime=0.69
/proc/31192/stat : 31192 (bsolo) R 31190 31192 30391 0 -1 4194304 694 0 0 0 68 1 0 0 22 0 1 0 179180437 12681216 675 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31192/statm: 3096 675 195 640 0 2452 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12384

[startup+1.50299 s]
/proc/loadavg: 0.97 0.98 1.04 2/65 31193
/proc/meminfo: memFree=1498904/2055920 swapFree=4192812/4192956
[pid=31192] ppid=31190 vsize=13408 CPUtime=1.49
/proc/31192/stat : 31192 (bsolo) R 31190 31192 30391 0 -1 4194304 943 0 0 0 148 1 0 0 25 0 1 0 179180437 13729792 924 1992294400 134512640 137136520 4294956256 18446744073709551615 135982528 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31192/statm: 3352 924 195 640 0 2708 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 13408

[startup+3.10125 s]
/proc/loadavg: 0.97 0.98 1.04 2/65 31193
/proc/meminfo: memFree=1498008/2055920 swapFree=4192812/4192956
[pid=31192] ppid=31190 vsize=13792 CPUtime=3.08
/proc/31192/stat : 31192 (bsolo) R 31190 31192 30391 0 -1 4194304 1052 0 0 0 307 1 0 0 25 0 1 0 179180437 14123008 1033 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31192/statm: 3448 1033 195 640 0 2804 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 13792

[startup+6.30179 s]
/proc/loadavg: 0.97 0.98 1.04 2/65 31193
/proc/meminfo: memFree=1497112/2055920 swapFree=4192812/4192956
[pid=31192] ppid=31190 vsize=14424 CPUtime=6.29
/proc/31192/stat : 31192 (bsolo) R 31190 31192 30391 0 -1 4194304 1197 0 0 0 626 3 0 0 25 0 1 0 179180437 14770176 1178 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31192/statm: 3606 1178 195 640 0 2962 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 14424

[startup+12.7018 s]
/proc/loadavg: 0.97 0.98 1.04 2/65 31193
/proc/meminfo: memFree=1496408/2055920 swapFree=4192812/4192956
[pid=31192] ppid=31190 vsize=15184 CPUtime=12.68
/proc/31192/stat : 31192 (bsolo) R 31190 31192 30391 0 -1 4194304 1386 0 0 0 1264 4 0 0 25 0 1 0 179180437 15548416 1367 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31192/statm: 3796 1367 195 640 0 3152 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 15184

[startup+25.502 s]
/proc/loadavg: 0.98 0.98 1.04 2/65 31193
/proc/meminfo: memFree=1495192/2055920 swapFree=4192812/4192956
[pid=31192] ppid=31190 vsize=16080 CPUtime=25.48
/proc/31192/stat : 31192 (bsolo) R 31190 31192 30391 0 -1 4194304 1620 0 0 0 2541 7 0 0 25 0 1 0 179180437 16465920 1601 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31192/statm: 4020 1601 195 640 0 3376 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 16080

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

[startup+31.905 s]
/proc/loadavg: 0.98 0.98 1.04 2/65 31193
/proc/meminfo: memFree=1495192/2055920 swapFree=4192812/4192956
[pid=31192] ppid=31190 vsize=16080 CPUtime=31.88
/proc/31192/stat : 31192 (bsolo) R 31190 31192 30391 0 -1 4194304 1633 0 0 0 3180 8 0 0 25 0 1 0 179180437 16465920 1614 1992294400 134512640 137136520 4294956256 18446744073709551615 134544127 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31192/statm: 4020 1614 195 640 0 3376 0
Current children cumulated CPU time (s) 31.88
Current children cumulated vsize (KiB) 16080

[startup+38.3011 s]
/proc/loadavg: 0.98 0.98 1.03 2/65 31193
/proc/meminfo: memFree=1494232/2055920 swapFree=4192812/4192956
[pid=31192] ppid=31190 vsize=16976 CPUtime=38.27
/proc/31192/stat : 31192 (bsolo) R 31190 31192 30391 0 -1 4194304 1846 0 0 0 3817 10 0 0 25 0 1 0 179180437 17383424 1827 1992294400 134512640 137136520 4294956256 18446744073709551615 136294932 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31192/statm: 4244 1827 195 640 0 3600 0
Current children cumulated CPU time (s) 38.27
Current children cumulated vsize (KiB) 16976

[startup+39.9014 s]
/proc/loadavg: 0.98 0.98 1.03 2/65 31193
/proc/meminfo: memFree=1494232/2055920 swapFree=4192812/4192956
[pid=31192] ppid=31190 vsize=16976 CPUtime=39.87
/proc/31192/stat : 31192 (bsolo) R 31190 31192 30391 0 -1 4194304 1846 0 0 0 3977 10 0 0 25 0 1 0 179180437 17383424 1827 1992294400 134512640 137136520 4294956256 18446744073709551615 134544112 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31192/statm: 4244 1827 195 640 0 3600 0
Current children cumulated CPU time (s) 39.87
Current children cumulated vsize (KiB) 16976

[startup+40.7055 s]
/proc/loadavg: 0.98 0.98 1.03 2/65 31193
/proc/meminfo: memFree=1494232/2055920 swapFree=4192812/4192956
[pid=31192] ppid=31190 vsize=16976 CPUtime=40.68
/proc/31192/stat : 31192 (bsolo) R 31190 31192 30391 0 -1 4194304 1846 0 0 0 4057 11 0 0 25 0 1 0 179180437 17383424 1827 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31192/statm: 4244 1827 195 640 0 3600 0
Current children cumulated CPU time (s) 40.68
Current children cumulated vsize (KiB) 16976

[startup+41.5016 s]
/proc/loadavg: 0.98 0.98 1.03 2/65 31193
/proc/meminfo: memFree=1494232/2055920 swapFree=4192812/4192956
[pid=31192] ppid=31190 vsize=16976 CPUtime=41.48
/proc/31192/stat : 31192 (bsolo) R 31190 31192 30391 0 -1 4194304 1846 0 0 0 4137 11 0 0 25 0 1 0 179180437 17383424 1827 1992294400 134512640 137136520 4294956256 18446744073709551615 135982505 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31192/statm: 4244 1827 195 640 0 3600 0
Current children cumulated CPU time (s) 41.48
Current children cumulated vsize (KiB) 16976

[startup+41.7017 s]
/proc/loadavg: 0.98 0.98 1.03 2/65 31193
/proc/meminfo: memFree=1494232/2055920 swapFree=4192812/4192956
[pid=31192] ppid=31190 vsize=16976 CPUtime=41.68
/proc/31192/stat : 31192 (bsolo) R 31190 31192 30391 0 -1 4194304 1846 0 0 0 4157 11 0 0 25 0 1 0 179180437 17383424 1827 1992294400 134512640 137136520 4294956256 18446744073709551615 134544116 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31192/statm: 4244 1827 195 640 0 3600 0
Current children cumulated CPU time (s) 41.68
Current children cumulated vsize (KiB) 16976

Child status: 0
Real time (s): 41.7878
CPU time (s): 41.7686
CPU user time (s): 41.6547
CPU system time (s): 0.113982
CPU usage (%): 99.9542
Max. virtual memory (cumulated for all children) (KiB): 16976

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 41.6547
system time used= 0.113982
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1848
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= 55

runsolver used 0.043993 second user time and 0.090986 second system time

The end

Launcher Data 

Begin job on node15 at 2009-06-16 03:30:00
IDJOB=1878734
IDBENCH=1233
IDSOLVER=700
FILE ID=node15/1878734-1245115800
PBS_JOBID= 9363653
Free space on /tmp= 66304 MiB

SOLVER NAME= bsolo 3.1 cl
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1110969170.opb
COMMAND LINE= bsolo -l1 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1878734-1245115800/watcher-1878734-1245115800 -o /tmp/evaluation-result-1878734-1245115800/solver-1878734-1245115800 -C 1800 -W 2000 -M 1800  bsolo -l1 -t1800 -m1800 HOME/instance-1878734-1245115800.opb

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

MD5SUM BENCH= c40b249e67431ed3407a98dac8d92148
RANDOM SEED=2084640942

node15.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		: 3000.261
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	: 5931.00
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		: 3000.261
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:       1501696 kB
Buffers:         31852 kB
Cached:         441496 kB
SwapCached:          0 kB
Active:          65196 kB
Inactive:       421496 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1501696 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3948 kB
Writeback:           0 kB
Mapped:          23192 kB
Slab:            53472 kB
Committed_AS:   160188 kB
PageTables:       1460 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= 66300 MiB
End job on node15 at 2009-06-16 03:30:42