Trace number 1880121

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 15.9156 15.9204

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 benchmark0.547916
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 3.1 - 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-1880121-1245115509.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)
0.00/0.00	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      879    2563      0      0 0.01
0.00/0.00	c Switching off lower bounding mode.
15.88/15.91	c      100    169      299    18803   62    12315    2820    200   1724 0.06
15.88/15.91	c      252    169      601    47459   78    27809    3103    502   1272 0.20
15.88/15.91	c      477    169     1041    88708   85    47782    3414    942    937 0.51
15.88/15.91	c      815    169     1706   150907   88    77617    3756   1607    681 1.20
15.88/15.91	c     1324    169     2683   243887   90   113785    4132   2584    456 2.90
15.88/15.91	c     2089    169     4186   391578   93   163215    4546   4087    296 7.04
15.88/15.91	c Backtracks by Clause: 2425
15.88/15.91	c Backtracks by PB constraint: 260
15.88/15.91	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
15.88/15.91	c    6     2805    505     4006     3168   285840   3069    176 15.91
15.88/15.91	s UNSATISFIABLE
15.88/15.91	c Total time: 15.912 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-1880121-1245115509/watcher-1880121-1245115509 -o /tmp/evaluation-result-1880121-1245115509/solver-1880121-1245115509 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1880121-1245115509.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: 0.99 0.98 1.00 3/64 6209
/proc/meminfo: memFree=1350560/2055920 swapFree=4191900/4192956
[pid=6209] ppid=6207 vsize=10708 CPUtime=0
/proc/6209/stat : 6209 (bsolo) R 6207 6209 5695 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 179148055 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6209/statm: 2677 239 188 640 0 2033 0

[startup+0.0917211 s]
/proc/loadavg: 0.99 0.98 1.00 3/64 6209
/proc/meminfo: memFree=1350560/2055920 swapFree=4191900/4192956
[pid=6209] ppid=6207 vsize=11360 CPUtime=0.09
/proc/6209/stat : 6209 (bsolo) R 6207 6209 5695 0 -1 4194304 442 0 0 0 9 0 0 0 18 0 1 0 179148055 11632640 423 1992294400 134512640 137136520 4294956256 18446744073709551615 134543942 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6209/statm: 2840 423 197 640 0 2196 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11360

[startup+0.101713 s]
/proc/loadavg: 0.99 0.98 1.00 3/64 6209
/proc/meminfo: memFree=1350560/2055920 swapFree=4191900/4192956
[pid=6209] ppid=6207 vsize=11360 CPUtime=0.1
/proc/6209/stat : 6209 (bsolo) R 6207 6209 5695 0 -1 4194304 455 0 0 0 10 0 0 0 18 0 1 0 179148055 11632640 436 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6209/statm: 2840 436 197 640 0 2196 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 11360

[startup+0.301735 s]
/proc/loadavg: 0.99 0.98 1.00 3/64 6209
/proc/meminfo: memFree=1350560/2055920 swapFree=4191900/4192956
[pid=6209] ppid=6207 vsize=12400 CPUtime=0.29
/proc/6209/stat : 6209 (bsolo) R 6207 6209 5695 0 -1 4194304 686 0 0 0 29 0 0 0 19 0 1 0 179148055 12697600 667 1992294400 134512640 137136520 4294956256 18446744073709551615 136504572 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6209/statm: 3099 667 197 640 0 2455 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12400

[startup+0.70178 s]
/proc/loadavg: 0.99 0.98 1.00 3/64 6209
/proc/meminfo: memFree=1350560/2055920 swapFree=4191900/4192956
[pid=6209] ppid=6207 vsize=13444 CPUtime=0.69
/proc/6209/stat : 6209 (bsolo) R 6207 6209 5695 0 -1 4194304 967 0 0 0 69 0 0 0 22 0 1 0 179148055 13766656 948 1992294400 134512640 137136520 4294956256 18446744073709551615 134544164 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6209/statm: 3361 948 197 640 0 2717 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13444

[startup+1.50187 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 6210
/proc/meminfo: memFree=1346904/2055920 swapFree=4191900/4192956
[pid=6209] ppid=6207 vsize=14876 CPUtime=1.49
/proc/6209/stat : 6209 (bsolo) R 6207 6209 5695 0 -1 4194304 1331 0 0 0 149 0 0 0 25 0 1 0 179148055 15233024 1312 1992294400 134512640 137136520 4294956256 18446744073709551615 134544164 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6209/statm: 3719 1312 197 640 0 3075 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14876

[startup+3.10105 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 6210
/proc/meminfo: memFree=1345176/2055920 swapFree=4191900/4192956
[pid=6209] ppid=6207 vsize=16828 CPUtime=3.09
/proc/6209/stat : 6209 (bsolo) R 6207 6209 5695 0 -1 4194304 1794 0 0 0 308 1 0 0 25 0 1 0 179148055 17231872 1775 1992294400 134512640 137136520 4294956256 18446744073709551615 134544160 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6209/statm: 4207 1775 197 640 0 3563 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 16828

[startup+6.3014 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 6210
/proc/meminfo: memFree=1342104/2055920 swapFree=4191900/4192956
[pid=6209] ppid=6207 vsize=19192 CPUtime=6.29
/proc/6209/stat : 6209 (bsolo) R 6207 6209 5695 0 -1 4194304 2410 0 0 0 627 2 0 0 25 0 1 0 179148055 19652608 2391 1992294400 134512640 137136520 4294956256 18446744073709551615 134543948 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6209/statm: 4798 2391 197 640 0 4154 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 19192

[startup+12.7011 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 6210
/proc/meminfo: memFree=1339608/2055920 swapFree=4191900/4192956
[pid=6209] ppid=6207 vsize=21024 CPUtime=12.68
/proc/6209/stat : 6209 (bsolo) R 6207 6209 5695 0 -1 4194304 2857 0 0 0 1266 2 0 0 25 0 1 0 179148055 21528576 2838 1992294400 134512640 137136520 4294956256 18446744073709551615 134540859 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6209/statm: 5256 2838 197 640 0 4612 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 21024

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

[startup+14.3053 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 6210
/proc/meminfo: memFree=1339608/2055920 swapFree=4191900/4192956
[pid=6209] ppid=6207 vsize=21024 CPUtime=14.29
/proc/6209/stat : 6209 (bsolo) R 6207 6209 5695 0 -1 4194304 2857 0 0 0 1427 2 0 0 25 0 1 0 179148055 21528576 2838 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6209/statm: 5256 2838 197 640 0 4612 0
Current children cumulated CPU time (s) 14.29
Current children cumulated vsize (KiB) 21024

[startup+15.1014 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 6210
/proc/meminfo: memFree=1339608/2055920 swapFree=4191900/4192956
[pid=6209] ppid=6207 vsize=21024 CPUtime=15.08
/proc/6209/stat : 6209 (bsolo) R 6207 6209 5695 0 -1 4194304 2857 0 0 0 1506 2 0 0 25 0 1 0 179148055 21528576 2838 1992294400 134512640 137136520 4294956256 18446744073709551615 134544449 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6209/statm: 5256 2838 197 640 0 4612 0
Current children cumulated CPU time (s) 15.08
Current children cumulated vsize (KiB) 21024

[startup+15.5014 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 6210
/proc/meminfo: memFree=1339608/2055920 swapFree=4191900/4192956
[pid=6209] ppid=6207 vsize=21024 CPUtime=15.48
/proc/6209/stat : 6209 (bsolo) R 6207 6209 5695 0 -1 4194304 2857 0 0 0 1546 2 0 0 25 0 1 0 179148055 21528576 2838 1992294400 134512640 137136520 4294956256 18446744073709551615 134544249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6209/statm: 5256 2838 197 640 0 4612 0
Current children cumulated CPU time (s) 15.48
Current children cumulated vsize (KiB) 21024

[startup+15.9015 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 6210
/proc/meminfo: memFree=1339608/2055920 swapFree=4191900/4192956
[pid=6209] ppid=6207 vsize=21024 CPUtime=15.88
/proc/6209/stat : 6209 (bsolo) R 6207 6209 5695 0 -1 4194304 2857 0 0 0 1586 2 0 0 25 0 1 0 179148055 21528576 2838 1992294400 134512640 137136520 4294956256 18446744073709551615 134544160 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6209/statm: 5256 2838 197 640 0 4612 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 21024

Child status: 0
Real time (s): 15.9204
CPU time (s): 15.9156
CPU user time (s): 15.8836
CPU system time (s): 0.031995
CPU usage (%): 99.9697
Max. virtual memory (cumulated for all children) (KiB): 21024

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 15.8836
system time used= 0.031995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2858
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= 23

runsolver used 0.015997 second user time and 0.041993 second system time

The end

Launcher Data 

Begin job on node38 at 2009-06-16 03:25:09
IDJOB=1880121
IDBENCH=1190
IDSOLVER=701
FILE ID=node38/1880121-1245115509
PBS_JOBID= 9363647
Free space on /tmp= 66236 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1110971697.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1880121-1245115509/watcher-1880121-1245115509 -o /tmp/evaluation-result-1880121-1245115509/solver-1880121-1245115509 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1880121-1245115509.opb

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

MD5SUM BENCH= c9a87792271871ea771a066925b39a9d
RANDOM SEED=85280078

node38.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		: 3000.232
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		: 3000.232
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:       1351040 kB
Buffers:         85272 kB
Cached:         518044 kB
SwapCached:        592 kB
Active:         164056 kB
Inactive:       452860 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1351040 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:            3952 kB
Writeback:           0 kB
Mapped:          22452 kB
Slab:            73988 kB
Committed_AS:   140956 kB
PageTables:       1456 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= 66232 MiB
End job on node38 at 2009-06-16 03:25:25