Trace number 1880191

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 pbUNSAT 10.4624 10.7734

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111218024.opb
MD5SUMd9f3f17355fadaf757079f4be5a497ea
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 benchmark0.038993
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 1228
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: Generic Pseudo-Boolean 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-1880191-1245115916.opb
0.00/0.00	c File size is 9904 bytes.
0.00/0.00	c Highest Coefficient sum: 1228
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: 902
0.00/0.00	c Obj. Vars: 0 (0 % of total variables)
0.00/0.00	c Pre-processing Time: 0.005 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      881    2563      0      0 0.01
0.00/0.00	c Switching off lower bounding mode.
10.38/10.77	c      101    169      301    21092   70    10907    2820    202   1980 0.05
10.38/10.77	c      252    169      598    49561   82    25279    3103    499   1298 0.19
10.38/10.77	c      477    169     1023    89137   87    44868    3414    924    851 0.56
10.38/10.77	c      817    169     1638   147271   89    69790    3756   1539    555 1.47
10.38/10.77	c     1327    169     2561   233754   91   100507    4132   2462    368 3.60
10.38/10.77	c     2091    169     3896   358050   91   145221    4546   3797    246 8.47
10.38/10.77	c Backtracks by Clause: 1699
10.38/10.77	c Backtracks by PB constraint: 239
10.38/10.77	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
10.38/10.77	c    6     2345    412     3393     4326   396478   4227    224 10.46
10.38/10.77	s UNSATISFIABLE
10.38/10.77	c Total time: 10.459 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-1880191-1245115916/watcher-1880191-1245115916 -o /tmp/evaluation-result-1880191-1245115916/solver-1880191-1245115916 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1880191-1245115916.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: 1.00 1.00 1.00 3/64 3319
/proc/meminfo: memFree=1274816/2055920 swapFree=4191900/4192956
[pid=3319] ppid=3317 vsize=10708 CPUtime=0
/proc/3319/stat : 3319 (bsolo) R 3317 3319 2914 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 179191641 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3319/statm: 2677 239 188 640 0 2033 0

[startup+0.103636 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 3319
/proc/meminfo: memFree=1274816/2055920 swapFree=4191900/4192956
[pid=3319] ppid=3317 vsize=11488 CPUtime=0.1
/proc/3319/stat : 3319 (bsolo) R 3317 3319 2914 0 -1 4194304 468 0 0 0 10 0 0 0 18 0 1 0 179191641 11763712 449 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3319/statm: 2872 449 196 640 0 2228 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 11488

[startup+0.201647 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 3319
/proc/meminfo: memFree=1274816/2055920 swapFree=4191900/4192956
[pid=3319] ppid=3317 vsize=11880 CPUtime=0.19
/proc/3319/stat : 3319 (bsolo) R 3317 3319 2914 0 -1 4194304 581 0 0 0 19 0 0 0 18 0 1 0 179191641 12165120 562 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3319/statm: 2970 562 197 640 0 2326 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 11880

[startup+0.301657 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 3319
/proc/meminfo: memFree=1274816/2055920 swapFree=4191900/4192956
[pid=3319] ppid=3317 vsize=12272 CPUtime=0.29
/proc/3319/stat : 3319 (bsolo) R 3317 3319 2914 0 -1 4194304 664 0 0 0 29 0 0 0 19 0 1 0 179191641 12566528 645 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3319/statm: 3068 645 197 640 0 2424 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12272

[startup+0.701704 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 3319
/proc/meminfo: memFree=1274816/2055920 swapFree=4191900/4192956
[pid=3319] ppid=3317 vsize=13184 CPUtime=0.69
/proc/3319/stat : 3319 (bsolo) R 3317 3319 2914 0 -1 4194304 902 0 0 0 69 0 0 0 22 0 1 0 179191641 13500416 883 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3319/statm: 3296 883 197 640 0 2652 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13184

[startup+1.5018 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 3320
/proc/meminfo: memFree=1271416/2055920 swapFree=4191900/4192956
[pid=3319] ppid=3317 vsize=14356 CPUtime=1.49
/proc/3319/stat : 3319 (bsolo) R 3317 3319 2914 0 -1 4194304 1180 0 0 0 149 0 0 0 25 0 1 0 179191641 14700544 1161 1992294400 134512640 137136520 4294956256 18446744073709551615 134544122 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3319/statm: 3589 1161 197 640 0 2945 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14356

[startup+3.10198 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 3320
/proc/meminfo: memFree=1270136/2055920 swapFree=4191900/4192956
[pid=3319] ppid=3317 vsize=15796 CPUtime=3.09
/proc/3319/stat : 3319 (bsolo) R 3317 3319 2914 0 -1 4194304 1563 0 0 0 309 0 0 0 25 0 1 0 179191641 16175104 1544 1992294400 134512640 137136520 4294956256 18446744073709551615 134544425 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3319/statm: 3949 1544 197 640 0 3305 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 15796

[startup+6.30236 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 3320
/proc/meminfo: memFree=1267704/2055920 swapFree=4191900/4192956
[pid=3319] ppid=3317 vsize=17756 CPUtime=5.98
/proc/3319/stat : 3319 (bsolo) R 3317 3319 2914 0 -1 4194304 2044 0 0 0 597 1 0 0 25 0 1 0 179191641 18182144 2025 1992294400 134512640 137136520 4294956256 18446744073709551615 134544437 0 0 4096 16384 0 0 0 17 0 0 0
/proc/3319/statm: 4439 2025 197 640 0 3795 0
Current children cumulated CPU time (s) 5.98
Current children cumulated vsize (KiB) 17756

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

[startup+6.40237 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 3320
/proc/meminfo: memFree=1267704/2055920 swapFree=4191900/4192956
[pid=3319] ppid=3317 vsize=17888 CPUtime=6.08
/proc/3319/stat : 3319 (bsolo) R 3317 3319 2914 0 -1 4194304 2058 0 0 0 607 1 0 0 25 0 1 0 179191641 18317312 2039 1992294400 134512640 137136520 4294956256 18446744073709551615 134544004 0 0 4096 16384 0 0 0 17 0 0 0
/proc/3319/statm: 4472 2039 197 640 0 3828 0
Current children cumulated CPU time (s) 6.08
Current children cumulated vsize (KiB) 17888

[startup+8.00254 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 3320
/proc/meminfo: memFree=1266616/2055920 swapFree=4191900/4192956
[pid=3319] ppid=3317 vsize=18544 CPUtime=7.68
/proc/3319/stat : 3319 (bsolo) R 3317 3319 2914 0 -1 4194304 2227 0 0 0 767 1 0 0 25 0 1 0 179191641 18989056 2208 1992294400 134512640 137136520 4294956256 18446744073709551615 134543819 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3319/statm: 4636 2208 197 640 0 3992 0
Current children cumulated CPU time (s) 7.68
Current children cumulated vsize (KiB) 18544

[startup+9.60173 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 3320
/proc/meminfo: memFree=1266048/2055920 swapFree=4191900/4192956
[pid=3319] ppid=3317 vsize=19336 CPUtime=9.28
/proc/3319/stat : 3319 (bsolo) R 3317 3319 2914 0 -1 4194304 2430 0 0 0 926 2 0 0 25 0 1 0 179191641 19800064 2411 1992294400 134512640 137136520 4294956256 18446744073709551615 134543865 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3319/statm: 4834 2411 197 640 0 4190 0
Current children cumulated CPU time (s) 9.28
Current children cumulated vsize (KiB) 19336

[startup+10.4018 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 3320
/proc/meminfo: memFree=1265600/2055920 swapFree=4191900/4192956
[pid=3319] ppid=3317 vsize=19596 CPUtime=10.08
/proc/3319/stat : 3319 (bsolo) R 3317 3319 2914 0 -1 4194304 2514 0 0 0 1006 2 0 0 25 0 1 0 179191641 20066304 2495 1992294400 134512640 137136520 4294956256 18446744073709551615 134544112 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3319/statm: 4899 2495 197 640 0 4255 0
Current children cumulated CPU time (s) 10.08
Current children cumulated vsize (KiB) 19596

[startup+10.6018 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 3320
/proc/meminfo: memFree=1265600/2055920 swapFree=4191900/4192956
[pid=3319] ppid=3317 vsize=19728 CPUtime=10.28
/proc/3319/stat : 3319 (bsolo) R 3317 3319 2914 0 -1 4194304 2528 0 0 0 1026 2 0 0 25 0 1 0 179191641 20201472 2509 1992294400 134512640 137136520 4294956256 18446744073709551615 134544256 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3319/statm: 4932 2509 197 640 0 4288 0
Current children cumulated CPU time (s) 10.28
Current children cumulated vsize (KiB) 19728

[startup+10.7019 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 3320
/proc/meminfo: memFree=1265600/2055920 swapFree=4191900/4192956
[pid=3319] ppid=3317 vsize=19728 CPUtime=10.38
/proc/3319/stat : 3319 (bsolo) R 3317 3319 2914 0 -1 4194304 2534 0 0 0 1036 2 0 0 25 0 1 0 179191641 20201472 2515 1992294400 134512640 137136520 4294956256 18446744073709551615 134543831 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3319/statm: 4932 2515 197 640 0 4288 0
Current children cumulated CPU time (s) 10.38
Current children cumulated vsize (KiB) 19728

Child status: 0
Real time (s): 10.7734
CPU time (s): 10.4624
CPU user time (s): 10.4374
CPU system time (s): 0.024996
CPU usage (%): 97.1134
Max. virtual memory (cumulated for all children) (KiB): 19728

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 10.4374
system time used= 0.024996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2542
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= 36

runsolver used 0.013997 second user time and 0.027995 second system time

The end

Launcher Data 

Begin job on node28 at 2009-06-16 03:31:56
IDJOB=1880191
IDBENCH=1260
IDSOLVER=701
FILE ID=node28/1880191-1245115916
PBS_JOBID= 9363637
Free space on /tmp= 66176 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111218024.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1880191-1245115916/watcher-1880191-1245115916 -o /tmp/evaluation-result-1880191-1245115916/solver-1880191-1245115916 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1880191-1245115916.opb

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

MD5SUM BENCH= d9f3f17355fadaf757079f4be5a497ea
RANDOM SEED=913472098

node28.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		: 3000.231
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		: 3000.231
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:       1275296 kB
Buffers:         42312 kB
Cached:         659936 kB
SwapCached:        260 kB
Active:          86152 kB
Inactive:       630388 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1275296 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:            3944 kB
Writeback:           0 kB
Mapped:          22592 kB
Slab:            49936 kB
Committed_AS:   141764 kB
PageTables:       1424 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= 66176 MiB
End job on node28 at 2009-06-16 03:32:07