Trace number 1880108

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 4.45932 4.46044

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111226062.opb
MD5SUM866f5ef3323c718f8dc3ec29e930c03b
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 benchmark0.991848
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 1231
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-1880108-1245115375.opb
0.00/0.00	c File size is 9906 bytes.
0.00/0.00	c Highest Coefficient sum: 1231
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: 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      879    2563      0      0 0.01
0.00/0.00	c Switching off lower bounding mode.
4.40/4.45	c      101    169      301    20350   67    13343    2820    202   1683 0.06
4.40/4.45	c      252    169      602    49078   81    28842    3103    503   1145 0.22
4.40/4.45	c      478    169     1048    91703   87    48188    3414    949    840 0.57
4.40/4.45	c      818    169     1701   151771   89    76695    3756   1602    593 1.38
4.40/4.45	c     1326    169     2689   250453   93   114305    4132   2590    419 3.16
4.40/4.45	c Backtracks by Clause: 1333
4.40/4.45	c Backtracks by PB constraint: 188
4.40/4.45	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
4.40/4.45	c    5     1607    300     2456     3217   302100   3118    360 4.46
4.40/4.45	s UNSATISFIABLE
4.40/4.45	c Total time: 4.456 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-1880108-1245115375/watcher-1880108-1245115375 -o /tmp/evaluation-result-1880108-1245115375/solver-1880108-1245115375 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1880108-1245115375.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: 1.05 1.01 1.03 3/65 2084
/proc/meminfo: memFree=1088672/2055920 swapFree=4191900/4192956
[pid=2084] ppid=2082 vsize=10708 CPUtime=0
/proc/2084/stat : 2084 (bsolo) R 2082 2084 1864 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 179136981 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2084/statm: 2677 239 188 640 0 2033 0

[startup+0.0524901 s]
/proc/loadavg: 1.05 1.01 1.03 3/65 2084
/proc/meminfo: memFree=1088672/2055920 swapFree=4191900/4192956
[pid=2084] ppid=2082 vsize=11096 CPUtime=0.04
/proc/2084/stat : 2084 (bsolo) R 2082 2084 1864 0 -1 4194304 388 0 0 0 4 0 0 0 18 0 1 0 179136981 11362304 369 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2084/statm: 2774 369 196 640 0 2130 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 11096

[startup+0.101494 s]
/proc/loadavg: 1.05 1.01 1.03 3/65 2084
/proc/meminfo: memFree=1088672/2055920 swapFree=4191900/4192956
[pid=2084] ppid=2082 vsize=11492 CPUtime=0.09
/proc/2084/stat : 2084 (bsolo) R 2082 2084 1864 0 -1 4194304 461 0 0 0 9 0 0 0 18 0 1 0 179136981 11767808 442 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2084/statm: 2873 442 196 640 0 2229 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11492

[startup+0.301517 s]
/proc/loadavg: 1.05 1.01 1.03 3/65 2084
/proc/meminfo: memFree=1088672/2055920 swapFree=4191900/4192956
[pid=2084] ppid=2082 vsize=12272 CPUtime=0.29
/proc/2084/stat : 2084 (bsolo) R 2082 2084 1864 0 -1 4194304 664 0 0 0 29 0 0 0 19 0 1 0 179136981 12566528 645 1992294400 134512640 137136520 4294956256 18446744073709551615 134544437 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2084/statm: 3068 645 197 640 0 2424 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12272

[startup+0.701562 s]
/proc/loadavg: 1.05 1.01 1.03 3/65 2084
/proc/meminfo: memFree=1088672/2055920 swapFree=4191900/4192956
[pid=2084] ppid=2082 vsize=13316 CPUtime=0.69
/proc/2084/stat : 2084 (bsolo) R 2082 2084 1864 0 -1 4194304 932 0 0 0 69 0 0 0 22 0 1 0 179136981 13635584 913 1992294400 134512640 137136520 4294956256 18446744073709551615 134545178 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2084/statm: 3329 913 197 640 0 2685 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13316

[startup+1.50265 s]
/proc/loadavg: 1.05 1.01 1.03 2/66 2086
/proc/meminfo: memFree=1085144/2055920 swapFree=4191900/4192956
[pid=2084] ppid=2082 vsize=14744 CPUtime=1.49
/proc/2084/stat : 2084 (bsolo) R 2082 2084 1864 0 -1 4194304 1276 0 0 0 149 0 0 0 25 0 1 0 179136981 15097856 1257 1992294400 134512640 137136520 4294956256 18446744073709551615 134543942 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2084/statm: 3686 1257 197 640 0 3042 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14744

[startup+3.10184 s]
/proc/loadavg: 1.05 1.01 1.03 2/66 2086
/proc/meminfo: memFree=1083352/2055920 swapFree=4191900/4192956
[pid=2084] ppid=2082 vsize=16712 CPUtime=3.09
/proc/2084/stat : 2084 (bsolo) R 2082 2084 1864 0 -1 4194304 1766 0 0 0 309 0 0 0 25 0 1 0 179136981 17113088 1747 1992294400 134512640 137136520 4294956256 18446744073709551615 134544590 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2084/statm: 4178 1747 197 640 0 3534 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 16712

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

[startup+3.90193 s]
/proc/loadavg: 1.05 1.01 1.03 2/66 2086
/proc/meminfo: memFree=1082200/2055920 swapFree=4191900/4192956
[pid=2084] ppid=2082 vsize=17364 CPUtime=3.89
/proc/2084/stat : 2084 (bsolo) R 2082 2084 1864 0 -1 4194304 1950 0 0 0 389 0 0 0 25 0 1 0 179136981 17780736 1931 1992294400 134512640 137136520 4294956256 18446744073709551615 134544160 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2084/statm: 4341 1931 197 640 0 3697 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 17364

[startup+4.30197 s]
/proc/loadavg: 1.05 1.01 1.03 2/66 2086
/proc/meminfo: memFree=1081112/2055920 swapFree=4191900/4192956
[pid=2084] ppid=2082 vsize=17752 CPUtime=4.3
/proc/2084/stat : 2084 (bsolo) R 2082 2084 1864 0 -1 4194304 2048 0 0 0 429 1 0 0 25 0 1 0 179136981 18178048 2029 1992294400 134512640 137136520 4294956256 18446744073709551615 134543834 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2084/statm: 4438 2029 197 640 0 3794 0
Current children cumulated CPU time (s) 4.3
Current children cumulated vsize (KiB) 17752

[startup+4.40598 s]
/proc/loadavg: 1.05 1.01 1.03 2/66 2086
/proc/meminfo: memFree=1081112/2055920 swapFree=4191900/4192956
[pid=2084] ppid=2082 vsize=17884 CPUtime=4.4
/proc/2084/stat : 2084 (bsolo) R 2082 2084 1864 0 -1 4194304 2065 0 0 0 439 1 0 0 25 0 1 0 179136981 18313216 2046 1992294400 134512640 137136520 4294956256 18446744073709551615 134544443 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2084/statm: 4471 2046 197 640 0 3827 0
Current children cumulated CPU time (s) 4.4
Current children cumulated vsize (KiB) 17884

Child status: 0
Real time (s): 4.46044
CPU time (s): 4.45932
CPU user time (s): 4.44532
CPU system time (s): 0.013997
CPU usage (%): 99.9749
Max. virtual memory (cumulated for all children) (KiB): 17884

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.44532
system time used= 0.013997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2078
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= 4

runsolver used 0.007998 second user time and 0.017997 second system time

The end

Launcher Data 

Begin job on node32 at 2009-06-16 03:22:56
IDJOB=1880108
IDBENCH=1177
IDSOLVER=701
FILE ID=node32/1880108-1245115375
PBS_JOBID= 9363635
Free space on /tmp= 66344 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111226062.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1880108-1245115375/watcher-1880108-1245115375 -o /tmp/evaluation-result-1880108-1245115375/solver-1880108-1245115375 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1880108-1245115375.opb

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

MD5SUM BENCH= 866f5ef3323c718f8dc3ec29e930c03b
RANDOM SEED=354523996

node32.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	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1089152 kB
Buffers:         78004 kB
Cached:         791456 kB
SwapCached:        260 kB
Active:          70928 kB
Inactive:       812904 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1089152 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:            3948 kB
Writeback:           0 kB
Mapped:          23776 kB
Slab:            68712 kB
Committed_AS:   137080 kB
PageTables:       1492 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= 66340 MiB
End job on node32 at 2009-06-16 03:23:00