Trace number 1877822

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 34.2038 34.5922

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_50_25_4_5.opb
MD5SUMb59e33bacf4f8d5e91915df093d27c73
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 benchmark0.065989
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)2932
Sum of products size (including duplicates)5864
Number of different products1466
Sum of products size2932

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-1877822-1245213975.opb
0.00/0.00	c File size is 117804 bytes.
0.00/0.02	c Highest Coefficient sum: 100
0.00/0.02	c Parsing was ok!!
0.00/0.02	c Total parsing time: 0.014 s
0.00/0.02	c Var: 1566 Constr: 3085 1516/103/1466 Lit: 12078 Watch. Lit: 10470
0.00/0.02	c Obj. Vars: 0 (0 % of total variables)
1.35/1.42	c Pre-processing Time: 1.382 s
1.35/1.42	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.35/1.42	c        0   1566     3085    12078    3    10470   39387      0      0 1.38
1.35/1.42	c Switching off lower bounding mode.
34.10/34.58	c      102   1566     3187    20139    6    10674   43326    102     72 1.40
34.10/34.58	c      258   1566     3343    32402    9    10986   47659    258    180 1.43
34.10/34.58	c      483   1566     3568    49571   13    11436   52425    483    327 1.47
34.10/34.58	c      858   1566     3943    76030   19    12186   57668    858    548 1.56
34.10/34.58	c     1375   1566     4460   115892   25    13220   63435   1375    817 1.68
34.10/34.58	c     2139   1566     5224   176042   33    14748   69779   2139   1162 1.84
34.10/34.58	c     3286   1566     6371   260678   40    17042   76757   3286   1478 2.22
34.10/34.58	c     5008   1566     8093   400177   49    20486   84433   5008   1703 2.94
34.10/34.58	c     7592   1566    10677   607338   56    25654   92877   7592   1704 4.45
34.10/34.58	c    11474   1566    14559   892249   61    33418  102165  11474   1372 8.36
34.10/34.58	c    17301   1566    20386  1344673   65    45072  112382  17301   1042 16.59
34.10/34.58	c    26038   1566    29123  2006935   68    62546  123621  26038    766 33.96
34.10/34.58	c Backtracks by Clause: 0
34.10/34.58	c Backtracks by PB constraint: 0
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34.10/34.58	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
34.10/34.58	c   12    26094   4939    62821    29179  2010567  26094    763 34.20
34.10/34.58	s SATISFIABLE
34.10/34.58	c Total time: 34.196 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-1877822-1245213975/watcher-1877822-1245213975 -o /tmp/evaluation-result-1877822-1245213975/solver-1877822-1245213975 -C 1800 -W 2000 -M 1800 bsolo -l1 -t1800 -m1800 HOME/instance-1877822-1245213975.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: 1.63 1.70 1.61 3/73 18863
/proc/meminfo: memFree=1444040/2055920 swapFree=4176004/4192956
[pid=18863] ppid=18861 vsize=10824 CPUtime=0
/proc/18863/stat : 18863 (bsolo) R 18861 18863 18567 0 -1 4194304 265 0 0 0 0 0 0 0 18 0 1 0 188996814 11083776 249 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 0 0 0
/proc/18863/statm: 2706 250 177 640 0 2033 0

[startup+0.0978601 s]
/proc/loadavg: 1.63 1.70 1.61 3/73 18863
/proc/meminfo: memFree=1444040/2055920 swapFree=4176004/4192956
[pid=18863] ppid=18861 vsize=11528 CPUtime=0.09
/proc/18863/stat : 18863 (bsolo) R 18861 18863 18567 0 -1 4194304 500 0 0 0 9 0 0 0 18 0 1 0 188996814 11804672 455 1992294400 134512640 137136520 4294956256 18446744073709551615 134544647 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18863/statm: 2882 455 189 640 0 2238 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11528

[startup+0.102858 s]
/proc/loadavg: 1.63 1.70 1.61 3/73 18863
/proc/meminfo: memFree=1444040/2055920 swapFree=4176004/4192956
[pid=18863] ppid=18861 vsize=11528 CPUtime=0.09
/proc/18863/stat : 18863 (bsolo) R 18861 18863 18567 0 -1 4194304 500 0 0 0 9 0 0 0 18 0 1 0 188996814 11804672 455 1992294400 134512640 137136520 4294956256 18446744073709551615 135982494 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18863/statm: 2882 455 189 640 0 2238 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11528

[startup+0.301881 s]
/proc/loadavg: 1.63 1.70 1.61 3/73 18863
/proc/meminfo: memFree=1444040/2055920 swapFree=4176004/4192956
[pid=18863] ppid=18861 vsize=11528 CPUtime=0.29
/proc/18863/stat : 18863 (bsolo) R 18861 18863 18567 0 -1 4194304 501 0 0 0 29 0 0 0 19 0 1 0 188996814 11804672 456 1992294400 134512640 137136520 4294956256 18446744073709551615 136502397 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18863/statm: 2882 456 189 640 0 2238 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11528

[startup+0.701926 s]
/proc/loadavg: 1.63 1.70 1.61 3/73 18863
/proc/meminfo: memFree=1444040/2055920 swapFree=4176004/4192956
[pid=18863] ppid=18861 vsize=11528 CPUtime=0.69
/proc/18863/stat : 18863 (bsolo) R 18861 18863 18567 0 -1 4194304 501 0 0 0 69 0 0 0 23 0 1 0 188996814 11804672 456 1992294400 134512640 137136520 4294956256 18446744073709551615 134544140 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18863/statm: 2882 456 189 640 0 2238 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 11528

[startup+1.50302 s]
/proc/loadavg: 1.63 1.70 1.61 2/74 18864
/proc/meminfo: memFree=1442880/2055920 swapFree=4176004/4192956
[pid=18863] ppid=18861 vsize=12008 CPUtime=1.46
/proc/18863/stat : 18863 (bsolo) R 18861 18863 18567 0 -1 4194304 623 0 0 0 145 1 0 0 25 0 1 0 188996814 12296192 578 1992294400 134512640 137136520 4294956256 18446744073709551615 134573439 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18863/statm: 3002 578 196 640 0 2358 0
Current children cumulated CPU time (s) 1.46
Current children cumulated vsize (KiB) 12008

[startup+3.10121 s]
/proc/loadavg: 1.63 1.70 1.61 3/74 18864
/proc/meminfo: memFree=1439616/2055920 swapFree=4176004/4192956
[pid=18863] ppid=18861 vsize=17236 CPUtime=3.04
/proc/18863/stat : 18863 (bsolo) R 18861 18863 18567 0 -1 4194304 1939 0 0 0 302 2 0 0 25 0 1 0 188996814 17649664 1894 1992294400 134512640 137136520 4294956256 18446744073709551615 134543846 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18863/statm: 4309 1894 196 640 0 3665 0
Current children cumulated CPU time (s) 3.04
Current children cumulated vsize (KiB) 17236

[startup+6.30158 s]
/proc/loadavg: 1.58 1.69 1.61 4/74 18864
/proc/meminfo: memFree=1433088/2055920 swapFree=4176004/4192956
[pid=18863] ppid=18861 vsize=22028 CPUtime=6.23
/proc/18863/stat : 18863 (bsolo) R 18861 18863 18567 0 -1 4194304 3135 0 0 0 618 5 0 0 25 0 1 0 188996814 22556672 3090 1992294400 134512640 137136520 4294956256 18446744073709551615 134572172 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18863/statm: 5507 3090 196 640 0 4863 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 22028

[startup+12.7013 s]
/proc/loadavg: 1.53 1.68 1.61 2/74 18864
/proc/meminfo: memFree=1427336/2055920 swapFree=4176004/4192956
[pid=18863] ppid=18861 vsize=27400 CPUtime=12.58
/proc/18863/stat : 18863 (bsolo) R 18861 18863 18567 0 -1 4194304 4486 0 0 0 1250 8 0 0 25 0 1 0 188996814 28057600 4441 1992294400 134512640 137136520 4294956256 18446744073709551615 134544160 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18863/statm: 6850 4441 196 640 0 6206 0
Current children cumulated CPU time (s) 12.58
Current children cumulated vsize (KiB) 27400

[startup+25.5018 s]
/proc/loadavg: 1.49 1.66 1.60 3/74 18864
/proc/meminfo: memFree=1419144/2055920 swapFree=4176004/4192956
[pid=18863] ppid=18861 vsize=35528 CPUtime=25.19
/proc/18863/stat : 18863 (bsolo) R 18861 18863 18567 0 -1 4194304 6506 0 0 0 2503 16 0 0 25 0 1 0 188996814 36380672 6461 1992294400 134512640 137136520 4294956256 18446744073709551615 134543819 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18863/statm: 8882 6461 196 640 0 8238 0
Current children cumulated CPU time (s) 25.19
Current children cumulated vsize (KiB) 35528

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

[startup+28.7012 s]
/proc/loadavg: 1.45 1.65 1.60 3/74 18864
/proc/meminfo: memFree=1417224/2055920 swapFree=4176004/4192956
[pid=18863] ppid=18861 vsize=37320 CPUtime=28.37
/proc/18863/stat : 18863 (bsolo) R 18861 18863 18567 0 -1 4194304 6948 0 0 0 2819 18 0 0 25 0 1 0 188996814 38215680 6903 1992294400 134512640 137136520 4294956256 18446744073709551615 134543831 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18863/statm: 9330 6903 196 640 0 8686 0
Current children cumulated CPU time (s) 28.37
Current children cumulated vsize (KiB) 37320

[startup+31.9065 s]
/proc/loadavg: 1.45 1.65 1.60 2/74 18864
/proc/meminfo: memFree=1416008/2055920 swapFree=4176004/4192956
[pid=18863] ppid=18861 vsize=38528 CPUtime=31.53
/proc/18863/stat : 18863 (bsolo) R 18861 18863 18567 0 -1 4194304 7272 0 0 0 3133 20 0 0 25 0 1 0 188996814 39452672 7227 1992294400 134512640 137136520 4294956256 18446744073709551615 134543819 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18863/statm: 9632 7227 196 640 0 8988 0
Current children cumulated CPU time (s) 31.53
Current children cumulated vsize (KiB) 38528

[startup+33.5017 s]
/proc/loadavg: 1.45 1.65 1.60 4/74 18864
/proc/meminfo: memFree=1415240/2055920 swapFree=4176004/4192956
[pid=18863] ppid=18861 vsize=39512 CPUtime=33.11
/proc/18863/stat : 18863 (bsolo) R 18861 18863 18567 0 -1 4194304 7513 0 0 0 3291 20 0 0 25 0 1 0 188996814 40460288 7468 1992294400 134512640 137136520 4294956256 18446744073709551615 136502448 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18863/statm: 9878 7468 196 640 0 9234 0
Current children cumulated CPU time (s) 33.11
Current children cumulated vsize (KiB) 39512

[startup+34.3018 s]
/proc/loadavg: 1.41 1.64 1.59 3/74 18864
/proc/meminfo: memFree=1414664/2055920 swapFree=4176004/4192956
[pid=18863] ppid=18861 vsize=39868 CPUtime=33.9
/proc/18863/stat : 18863 (bsolo) R 18861 18863 18567 0 -1 4194304 7594 0 0 0 3370 20 0 0 25 0 1 0 188996814 40824832 7549 1992294400 134512640 137136520 4294956256 18446744073709551615 134543819 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18863/statm: 9967 7549 196 640 0 9323 0
Current children cumulated CPU time (s) 33.9
Current children cumulated vsize (KiB) 39868

[startup+34.5018 s]
/proc/loadavg: 1.41 1.64 1.59 3/74 18864
/proc/meminfo: memFree=1414664/2055920 swapFree=4176004/4192956
[pid=18863] ppid=18861 vsize=39988 CPUtime=34.1
/proc/18863/stat : 18863 (bsolo) R 18861 18863 18567 0 -1 4194304 7609 0 0 0 3390 20 0 0 25 0 1 0 188996814 40947712 7564 1992294400 134512640 137136520 4294956256 18446744073709551615 134544122 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18863/statm: 9997 7564 196 640 0 9353 0
Current children cumulated CPU time (s) 34.1
Current children cumulated vsize (KiB) 39988

Child status: 0
Real time (s): 34.5922
CPU time (s): 34.2038
CPU user time (s): 33.9878
CPU system time (s): 0.215967
CPU usage (%): 98.8773
Max. virtual memory (cumulated for all children) (KiB): 39988

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 33.9878
system time used= 0.215967
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7618
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= 1156

runsolver used 0.046992 second user time and 0.116982 second system time

The end

Launcher Data 

Begin job on node74 at 2009-06-17 06:46:15
IDJOB=1877822
IDBENCH=48307
IDSOLVER=700
FILE ID=node74/1877822-1245213975
PBS_JOBID= 9368374
Free space on /tmp= 103024 MiB

SOLVER NAME= bsolo 3.1 cl
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_50_25_4_5.opb
COMMAND LINE= bsolo -l1 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1877822-1245213975/watcher-1877822-1245213975 -o /tmp/evaluation-result-1877822-1245213975/solver-1877822-1245213975 -C 1800 -W 2000 -M 1800  bsolo -l1 -t1800 -m1800 HOME/instance-1877822-1245213975.opb

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

MD5SUM BENCH= b59e33bacf4f8d5e91915df093d27c73
RANDOM SEED=1638371577

node74.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		: 3000.218
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		: 3000.218
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:       1444584 kB
Buffers:         47196 kB
Cached:         463520 kB
SwapCached:      10368 kB
Active:          42540 kB
Inactive:       499508 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1444584 kB
SwapTotal:     4192956 kB
SwapFree:      4176004 kB
Dirty:            4168 kB
Writeback:           0 kB
Mapped:          33320 kB
Slab:            54160 kB
Committed_AS:   606920 kB
PageTables:       2124 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1877822-1245213975.opb

Free space on /tmp at the end= 103020 MiB
End job on node74 at 2009-06-17 06:46:50