Trace number 1877812

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 clSAT 21.5867 21.5981

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_50_25_5_5.opb
MD5SUM75c882bb71d8104d0d1ded9798081675
Bench CategoryDEC-SMALLINT-NLC (no optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.080987
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables100
Total number of constraints152
Number of constraints which are clauses50
Number of constraints which are cardinality constraints (but not clauses)1
Number of constraints which are nor clauses,nor cardinality constraints101
Minimum length of a constraint2
Maximum length of a constraint100
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 5
Number of bits of the biggest number in a constraint 3
Biggest sum of numbers in a constraint 100
Number of bits of the biggest sum of numbers7
Number of products (including duplicates)2928
Sum of products size (including duplicates)5856
Number of different products1464
Sum of products size2928

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-1877812-1245213326.opb
0.00/0.00	c File size is 117672 bytes.
0.00/0.01	c Highest Coefficient sum: 100
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.016 s
0.00/0.01	c Var: 1564 Constr: 3081 1514/103/1464 Lit: 12062 Watch. Lit: 10456
0.00/0.02	c Obj. Vars: 0 (0 % of total variables)
1.39/1.42	c Pre-processing Time: 1.424 s
1.39/1.42	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.39/1.42	c        0   1564     3081    12062    3    10456   39235      0      0 1.42
1.39/1.42	c Switching off lower bounding mode.
21.48/21.59	c      115   1564     3196    21287    6    10686   43159    115     79 1.44
21.48/21.59	c      272   1564     3353    34050   10    11000   47475    272    185 1.47
21.48/21.59	c      501   1564     3582    51560   14    11458   52223    501    330 1.52
21.48/21.59	c      842   1564     3923    77873   19    12140   57446    842    531 1.58
21.48/21.59	c     1351   1564     4432   113705   25    13158   63191   1351    780 1.73
21.48/21.59	c     2114   1564     5195   170450   32    14684   69511   2114   1092 1.94
21.48/21.59	c     3260   1564     6341   253400   39    16976   76463   3260   1400 2.33
21.48/21.59	c     4982   1564     8063   384353   47    20420   84110   4982   1558 3.20
21.48/21.59	c     7575   1564    10656   563632   52    25606   92522   7575   1528 4.96
21.48/21.59	c    11454   1564    14535   867193   59    33364  101775  11454   1374 8.33
21.48/21.59	c    17280   1564    20361  1316359   64    45016  111953  17280    999 17.28
21.48/21.59	c Backtracks by Clause: 0
21.48/21.59	c Backtracks by PB constraint: 0
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21.48/21.59	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
21.48/21.59	c   11    19467   3770    49221    22548  1487531  19467    902 21.58
21.48/21.59	s SATISFIABLE
21.48/21.59	c Total time: 21.581 s

Verifier Data 

OK	0

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1877812-1245213326/watcher-1877812-1245213326 -o /tmp/evaluation-result-1877812-1245213326/solver-1877812-1245213326 -C 1800 -W 2000 -M 1800 bsolo -l1 -t1800 -m1800 HOME/instance-1877812-1245213326.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 0.97 0.91 3/65 4713
/proc/meminfo: memFree=1666752/2055920 swapFree=4182388/4192956
[pid=4713] ppid=4711 vsize=18640 CPUtime=0
/proc/4713/stat : 4713 (bsolo) R 4711 4713 4518 0 -1 4194304 256 0 0 0 0 0 0 0 18 0 1 0 188931515 19087360 240 1992294400 134512640 137136520 4294956256 18446744073709551615 134517592 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4713/statm: 4660 240 175 640 0 3987 0

[startup+0.091695 s]
/proc/loadavg: 0.99 0.97 0.91 3/65 4713
/proc/meminfo: memFree=1666752/2055920 swapFree=4182388/4192956
[pid=4713] ppid=4711 vsize=11532 CPUtime=0.08
/proc/4713/stat : 4713 (bsolo) R 4711 4713 4518 0 -1 4194304 500 0 0 0 8 0 0 0 18 0 1 0 188931515 11808768 455 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4713/statm: 2883 455 189 640 0 2239 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 11532

[startup+0.101696 s]
/proc/loadavg: 0.99 0.97 0.91 3/65 4713
/proc/meminfo: memFree=1666752/2055920 swapFree=4182388/4192956
[pid=4713] ppid=4711 vsize=11532 CPUtime=0.09
/proc/4713/stat : 4713 (bsolo) R 4711 4713 4518 0 -1 4194304 500 0 0 0 9 0 0 0 18 0 1 0 188931515 11808768 455 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4713/statm: 2883 455 189 640 0 2239 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11532

[startup+0.301736 s]
/proc/loadavg: 0.99 0.97 0.91 3/65 4713
/proc/meminfo: memFree=1666752/2055920 swapFree=4182388/4192956
[pid=4713] ppid=4711 vsize=11532 CPUtime=0.29
/proc/4713/stat : 4713 (bsolo) R 4711 4713 4518 0 -1 4194304 500 0 0 0 29 0 0 0 19 0 1 0 188931515 11808768 455 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4713/statm: 2883 455 189 640 0 2239 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11532

[startup+0.701814 s]
/proc/loadavg: 0.99 0.97 0.91 3/65 4713
/proc/meminfo: memFree=1666752/2055920 swapFree=4182388/4192956
[pid=4713] ppid=4711 vsize=11532 CPUtime=0.69
/proc/4713/stat : 4713 (bsolo) R 4711 4713 4518 0 -1 4194304 500 0 0 0 69 0 0 0 22 0 1 0 188931515 11808768 455 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4713/statm: 2883 455 189 640 0 2239 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 11532

[startup+1.50197 s]
/proc/loadavg: 0.99 0.97 0.91 2/66 4714
/proc/meminfo: memFree=1665464/2055920 swapFree=4182388/4192956
[pid=4713] ppid=4711 vsize=11908 CPUtime=1.49
/proc/4713/stat : 4713 (bsolo) R 4711 4713 4518 0 -1 4194304 613 0 0 0 149 0 0 0 25 0 1 0 188931515 12193792 568 1992294400 134512640 137136520 4294956256 18446744073709551615 134574406 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4713/statm: 2977 568 196 640 0 2333 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 11908

[startup+3.10129 s]
/proc/loadavg: 0.99 0.97 0.91 2/66 4714
/proc/meminfo: memFree=1662520/2055920 swapFree=4182388/4192956
[pid=4713] ppid=4711 vsize=16588 CPUtime=3.09
/proc/4713/stat : 4713 (bsolo) R 4711 4713 4518 0 -1 4194304 1778 0 0 0 307 2 0 0 25 0 1 0 188931515 16986112 1733 1992294400 134512640 137136520 4294956256 18446744073709551615 134544384 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4713/statm: 4147 1733 196 640 0 3503 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 16588

[startup+6.30192 s]
/proc/loadavg: 0.99 0.97 0.91 2/66 4714
/proc/meminfo: memFree=1656760/2055920 swapFree=4182388/4192956
[pid=4713] ppid=4711 vsize=21388 CPUtime=6.29
/proc/4713/stat : 4713 (bsolo) R 4711 4713 4518 0 -1 4194304 2963 0 0 0 625 4 0 0 25 0 1 0 188931515 21901312 2918 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4713/statm: 5347 2918 196 640 0 4703 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 21388

[startup+12.7012 s]
/proc/loadavg: 0.99 0.97 0.91 2/66 4714
/proc/meminfo: memFree=1650104/2055920 swapFree=4182388/4192956
[pid=4713] ppid=4711 vsize=27228 CPUtime=12.68
/proc/4713/stat : 4713 (bsolo) R 4711 4713 4518 0 -1 4194304 4424 0 0 0 1262 6 0 0 25 0 1 0 188931515 27881472 4379 1992294400 134512640 137136520 4294956256 18446744073709551615 136502025 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4713/statm: 6807 4379 196 640 0 6163 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 27228

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

[startup+15.9018 s]
/proc/loadavg: 0.99 0.97 0.91 2/66 4714
/proc/meminfo: memFree=1647872/2055920 swapFree=4182388/4192956
[pid=4713] ppid=4711 vsize=29388 CPUtime=15.88
/proc/4713/stat : 4713 (bsolo) R 4711 4713 4518 0 -1 4194304 4965 0 0 0 1581 7 0 0 25 0 1 0 188931515 30093312 4920 1992294400 134512640 137136520 4294956256 18446744073709551615 134544116 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4713/statm: 7347 4920 196 640 0 6703 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 29388

[startup+19.1014 s]
/proc/loadavg: 0.99 0.97 0.91 2/66 4714
/proc/meminfo: memFree=1646080/2055920 swapFree=4182388/4192956
[pid=4713] ppid=4711 vsize=31156 CPUtime=19.08
/proc/4713/stat : 4713 (bsolo) R 4711 4713 4518 0 -1 4194304 5407 0 0 0 1900 8 0 0 25 0 1 0 188931515 31903744 5362 1992294400 134512640 137136520 4294956256 18446744073709551615 134543865 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4713/statm: 7789 5362 196 640 0 7145 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 31156

[startup+20.7018 s]
/proc/loadavg: 0.99 0.97 0.91 2/66 4714
/proc/meminfo: memFree=1645440/2055920 swapFree=4182388/4192956
[pid=4713] ppid=4711 vsize=32120 CPUtime=20.68
/proc/4713/stat : 4713 (bsolo) R 4711 4713 4518 0 -1 4194304 5646 0 0 0 2059 9 0 0 25 0 1 0 188931515 32890880 5601 1992294400 134512640 137136520 4294956256 18446744073709551615 134543948 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4713/statm: 8030 5601 196 640 0 7386 0
Current children cumulated CPU time (s) 20.68
Current children cumulated vsize (KiB) 32120

[startup+21.1018 s]
/proc/loadavg: 0.99 0.97 0.91 2/66 4714
/proc/meminfo: memFree=1644864/2055920 swapFree=4182388/4192956
[pid=4713] ppid=4711 vsize=32236 CPUtime=21.08
/proc/4713/stat : 4713 (bsolo) R 4711 4713 4518 0 -1 4194304 5698 0 0 0 2099 9 0 0 25 0 1 0 188931515 33009664 5653 1992294400 134512640 137136520 4294956256 18446744073709551615 136500521 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4713/statm: 8059 5653 196 640 0 7415 0
Current children cumulated CPU time (s) 21.08
Current children cumulated vsize (KiB) 32236

[startup+21.5019 s]
/proc/loadavg: 0.99 0.97 0.91 2/66 4714
/proc/meminfo: memFree=1644864/2055920 swapFree=4182388/4192956
[pid=4713] ppid=4711 vsize=32480 CPUtime=21.48
/proc/4713/stat : 4713 (bsolo) R 4711 4713 4518 0 -1 4194304 5745 0 0 0 2139 9 0 0 25 0 1 0 188931515 33259520 5700 1992294400 134512640 137136520 4294956256 18446744073709551615 134543819 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4713/statm: 8120 5700 196 640 0 7476 0
Current children cumulated CPU time (s) 21.48
Current children cumulated vsize (KiB) 32480

Child status: 0
Real time (s): 21.5981
CPU time (s): 21.5867
CPU user time (s): 21.4907
CPU system time (s): 0.095985
CPU usage (%): 99.9471
Max. virtual memory (cumulated for all children) (KiB): 32480

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 21.4907
system time used= 0.095985
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5760
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= 41

runsolver used 0.022996 second user time and 0.06399 second system time

The end

Launcher Data 

Begin job on node73 at 2009-06-17 06:35:26
IDJOB=1877812
IDBENCH=48297
IDSOLVER=700
FILE ID=node73/1877812-1245213326
PBS_JOBID= 9368409
Free space on /tmp= 66508 MiB

SOLVER NAME= bsolo 3.1 cl
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_50_25_5_5.opb
COMMAND LINE= bsolo -l1 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1877812-1245213326/watcher-1877812-1245213326 -o /tmp/evaluation-result-1877812-1245213326/solver-1877812-1245213326 -C 1800 -W 2000 -M 1800  bsolo -l1 -t1800 -m1800 HOME/instance-1877812-1245213326.opb

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

MD5SUM BENCH= 75c882bb71d8104d0d1ded9798081675
RANDOM SEED=1613100784

node73.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		: 3000.274
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		: 3000.274
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:       1667232 kB
Buffers:         49944 kB
Cached:         255652 kB
SwapCached:       5844 kB
Active:          25492 kB
Inactive:       289080 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1667232 kB
SwapTotal:     4192956 kB
SwapFree:      4182388 kB
Dirty:            4008 kB
Writeback:           0 kB
Mapped:          13488 kB
Slab:            60032 kB
Committed_AS:    69988 kB
PageTables:       1404 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-1877812-1245213326.opb

Free space on /tmp at the end= 66504 MiB
End job on node73 at 2009-06-17 06:35:48