Trace number 1876586

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 NameAnswerobjCPU timeWall clock time
bsolo 3.1Wrong UNSAT 2.27965 2.28045

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/
factor-mod-B/factor-mod-size=8-P0=239-P1=257-P2=113-P3=223-B.opb
MD5SUMff8e4ce8aca8e0dab1b59dd2a47026b4
Bench CategoryOPT-SMALLINT-NLC (optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark3
Best CPU time to get the best result obtained on this benchmark2.53061
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 3
Optimality of the best value was proved YES
Number of variables72
Total number of constraints7
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints7
Minimum length of a constraint8
Maximum length of a constraint80
Number of terms in the objective function 8
Biggest coefficient in the objective function 128
Number of bits for the biggest coefficient in the objective function 8
Sum of the numbers in the objective function 255
Number of bits of the sum of numbers in the objective function 8
Biggest number in a constraint 32768
Number of bits of the biggest number in a constraint 16
Biggest sum of numbers in a constraint 130560
Number of bits of the biggest sum of numbers17
Number of products (including duplicates)192
Sum of products size (including duplicates)384
Number of different products192
Sum of products size384

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: Cardinality Constraint 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-1876586-1245187800.opb
0.00/0.00	c File size is 14173 bytes.
0.00/0.00	c Highest Coefficient sum: 130560
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: 264 Constr: 394 192/0/202 Lit: 1648 Watch. Lit: 1016
0.00/0.00	c Obj. Vars: 8 (3.0303 % 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    264      394     1648    4     1416    2207      0      0 0.00
0.00/0.00	c Switching off lower bounding mode.
2.20/2.27	c      101    264      559     9275   16     1819    2428    165   4809 0.02
2.20/2.27	c      251    264      735    20812   28     2203    2671    341   5976 0.04
2.20/2.27	c      477    264     1015    37011   36     2762    2939    621   6115 0.08
2.20/2.27	c      815    264     1439    58125   40     3710    3233   1045   5821 0.14
2.20/2.27	c     1323    264     2141    90789   42     5406    3557   1747   5292 0.25
2.20/2.27	c     2086    264     2979   140128   47     7133    3913   2585   4751 0.44
2.20/2.27	c     3232    255     4269   206249   48     9951    4305   3875   3838 0.84
2.20/2.27	c     4954    247     4117   180484   43     9375    4736   3723   3469 1.43
2.20/2.27	c Backtracks by Clause: 1809
2.20/2.27	c Backtracks by PB constraint: 5
2.20/2.27	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
2.20/2.27	c    8     7379     63     8031     4490   164280   4096   3240 2.28
2.20/2.27	s UNSATISFIABLE
2.20/2.27	c Total time: 2.277 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-1876586-1245187800/watcher-1876586-1245187800 -o /tmp/evaluation-result-1876586-1245187800/solver-1876586-1245187800 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1876586-1245187800.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 6831
/proc/meminfo: memFree=1877952/2055920 swapFree=4192812/4192956
[pid=6831] ppid=6829 vsize=10708 CPUtime=0
/proc/6831/stat : 6831 (bsolo) R 6829 6831 5825 0 -1 4194304 273 0 0 0 0 0 0 0 18 0 1 0 186377047 10964992 253 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6831/statm: 2677 253 189 640 0 2033 0

[startup+0.058954 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 6831
/proc/meminfo: memFree=1877952/2055920 swapFree=4192812/4192956
[pid=6831] ppid=6829 vsize=11092 CPUtime=0.05
/proc/6831/stat : 6831 (bsolo) R 6829 6831 5825 0 -1 4194304 381 0 0 0 5 0 0 0 18 0 1 0 186377047 11358208 361 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6831/statm: 2773 361 198 640 0 2129 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 11092

[startup+0.101958 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 6831
/proc/meminfo: memFree=1877952/2055920 swapFree=4192812/4192956
[pid=6831] ppid=6829 vsize=11352 CPUtime=0.09
/proc/6831/stat : 6831 (bsolo) R 6829 6831 5825 0 -1 4194304 446 0 0 0 9 0 0 0 18 0 1 0 186377047 11624448 426 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6831/statm: 2838 426 198 640 0 2194 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11352

[startup+0.301978 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 6831
/proc/meminfo: memFree=1877952/2055920 swapFree=4192812/4192956
[pid=6831] ppid=6829 vsize=12252 CPUtime=0.29
/proc/6831/stat : 6831 (bsolo) R 6829 6831 5825 0 -1 4194304 669 0 0 0 29 0 0 0 19 0 1 0 186377047 12546048 649 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6831/statm: 3063 649 198 640 0 2419 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12252

[startup+0.702019 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 6831
/proc/meminfo: memFree=1877952/2055920 swapFree=4192812/4192956
[pid=6831] ppid=6829 vsize=13408 CPUtime=0.69
/proc/6831/stat : 6831 (bsolo) R 6829 6831 5825 0 -1 4194304 971 0 0 0 68 1 0 0 22 0 1 0 186377047 13729792 951 1992294400 134512640 137136520 4294956256 18446744073709551615 136575102 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6831/statm: 3352 951 198 640 0 2708 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13408

[startup+1.5011 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 6832
/proc/meminfo: memFree=1874296/2055920 swapFree=4192812/4192956
[pid=6831] ppid=6829 vsize=14176 CPUtime=1.49
/proc/6831/stat : 6831 (bsolo) R 6829 6831 5825 0 -1 4194304 1139 0 0 0 148 1 0 0 25 0 1 0 186377047 14516224 1119 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6831/statm: 3544 1119 198 640 0 2900 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14176

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

[startup+1.90114 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 6832
/proc/meminfo: memFree=1874296/2055920 swapFree=4192812/4192956
[pid=6831] ppid=6829 vsize=14180 CPUtime=1.89
/proc/6831/stat : 6831 (bsolo) R 6829 6831 5825 0 -1 4194304 1150 0 0 0 188 1 0 0 25 0 1 0 186377047 14520320 1130 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6831/statm: 3545 1130 198 640 0 2901 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 14180

[startup+2.10116 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 6832
/proc/meminfo: memFree=1874104/2055920 swapFree=4192812/4192956
[pid=6831] ppid=6829 vsize=14180 CPUtime=2.1
/proc/6831/stat : 6831 (bsolo) R 6829 6831 5825 0 -1 4194304 1150 0 0 0 209 1 0 0 25 0 1 0 186377047 14520320 1130 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6831/statm: 3545 1130 198 640 0 2901 0
Current children cumulated CPU time (s) 2.1
Current children cumulated vsize (KiB) 14180

[startup+2.20517 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 6832
/proc/meminfo: memFree=1874104/2055920 swapFree=4192812/4192956
[pid=6831] ppid=6829 vsize=14180 CPUtime=2.2
/proc/6831/stat : 6831 (bsolo) R 6829 6831 5825 0 -1 4194304 1150 0 0 0 219 1 0 0 25 0 1 0 186377047 14520320 1130 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6831/statm: 3545 1130 198 640 0 2901 0
Current children cumulated CPU time (s) 2.2
Current children cumulated vsize (KiB) 14180

Child status: 0
Real time (s): 2.28045
CPU time (s): 2.27965
CPU user time (s): 2.26566
CPU system time (s): 0.013997
CPU usage (%): 99.9648
Max. virtual memory (cumulated for all children) (KiB): 14180

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.26565
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= 1151
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= 3

runsolver used 0.004999 second user time and 0.011998 second system time

The end

Launcher Data 

Begin job on node45 at 2009-06-16 23:30:01
IDJOB=1876586
IDBENCH=47996
IDSOLVER=699
FILE ID=node45/1876586-1245187800
PBS_JOBID= 9363928
Free space on /tmp= 66172 MiB

SOLVER NAME= bsolo 3.1
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/factor-mod-B/factor-mod-size=8-P0=239-P1=257-P2=113-P3=223-B.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1876586-1245187800/watcher-1876586-1245187800 -o /tmp/evaluation-result-1876586-1245187800/solver-1876586-1245187800 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1876586-1245187800.opb

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

MD5SUM BENCH= ff8e4ce8aca8e0dab1b59dd2a47026b4
RANDOM SEED=1696975673

node45.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		: 3000.240
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		: 3000.240
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:       1878496 kB
Buffers:         41728 kB
Cached:          72644 kB
SwapCached:        140 kB
Active:          68008 kB
Inactive:        60432 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1878496 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            4304 kB
Writeback:           0 kB
Mapped:          23756 kB
Slab:            35108 kB
Committed_AS:   165076 kB
PageTables:       1384 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1876586-1245187800.opb

Free space on /tmp at the end= 66168 MiB
End job on node45 at 2009-06-16 23:30:03