Trace number 452863

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, and are wall clock time (not CPU 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 NameAnswerObjective functionCPU timeWall clock time
bsolo 3.0.17OPT3 1.01684 1.01842

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/factor-mod-B/
factor-mod-size=5-P0=5-P1=23-P2=17-P3=7-P4=23-P5=23-P6=17-P7=31-B.opb
MD5SUM0a6c01fa713de22da499a43dc9d6a250
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 benchmark0.062989
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 variables105
Total number of constraints15
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 constraints15
Minimum length of a constraint5
Maximum length of a constraint35
Number of terms in the objective function 5
Biggest coefficient in the objective function 16
Number of bits for the biggest coefficient in the objective function 5
Sum of the numbers in the objective function 31
Number of bits of the sum of numbers in the objective function 5
Biggest number in a constraint 512
Number of bits of the biggest number in a constraint 10
Biggest sum of numbers in a constraint 1984
Number of bits of the biggest sum of numbers11
Number of products (including duplicates)175
Sum of products size (including duplicates)350
Number of different products175
Sum of products size350

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

Solver Data (download as text)

0.00/0.00	c bsolo beta version 3.0.17 - 27/04/2007 : 1600 GMT
0.00/0.00	c Developed by Vasco Manquinho 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 Memory Limit set to 1800 MB
0.00/0.00	c Instance file /tmp/evaluation/452863-1177988238/instance-452863-1177988238.opb
0.00/0.00	c File size is 3658 bytes.
0.00/0.00	c Highest Coefficient sum: 1984
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0.002 s
0.00/0.00	c Var: 280 Constr: 372 175/0/197 Lit: 1570 Watch. Lit: 1002
0.00/0.00	c Obj. Vars: 5 (1.78571 % 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    280      372     1570    4     1341    2148      0      0 0.01
0.00/0.00	c Switching off LPR mode.
0.19/0.21	c      100    280      472     3921    8     1515    2363    100  12500 0.01
0.19/0.21	c      252    280      624     8044   12     1835    2600    252  16800 0.01
0.19/0.21	c      477    280      849    14010   16     2251    2861    477  19080 0.03
0.19/0.21	c      819    280     1191    22236   18     2920    3148    819  18613 0.04
0.19/0.21	c     1327    280     1699    36248   21     3938    3463   1327  17012 0.08
0.19/0.21	c     2091    280     2463    57703   23     5463    3810   2091  15840 0.13
0.19/0.21	o 17	0.212
0.39/0.41	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.39/0.41	c     3147    280     3520    86065   24     7583    2158   3148  14774 0.21
0.39/0.41	c     3247    280     1552    33224   21     3669    2374   1180  14626 0.22
0.39/0.41	c     3497    280     1802    40698   22     4133    2612   1430  14693 0.24
0.39/0.41	c     3973    280     2278    55484   24     5091    2874   1906  14291 0.28
0.39/0.41	c     4787    277     3092    77607   25     6728    3162   2720  14462 0.33
0.39/0.41	o 11	0.409
0.49/0.52	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.49/0.52	c     5602    276     2294    51715   22     5137    2158   1922  13696 0.41
0.49/0.52	c     5704    269     2396    54650   22     5398    2374   2024  13645 0.42
0.49/0.52	c     5955    269     2647    62236   23     5872    2612   2275  13658 0.44
0.49/0.52	c     6430    268     1783    38304   21     4123    2874   1411  13176 0.49
0.49/0.52	o 3	0.522
1.00/1.01	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.00/1.01	c     6914    266     2268    50235   22     5111    2156   1896  13219 0.52
1.00/1.01	c     7015    265     2369    52799   22     5287    2372   1997  13210 0.53
1.00/1.01	c     7265    265     2619    59187   22     5777    2610   2247  13137 0.55
1.00/1.01	c     7741    265     1686    38072   22     3933    2872   1314  13010 0.59
1.00/1.01	c     8555    241     2500    58493   23     5571    3160   2128  12562 0.68
1.00/1.01	c     9876    234     2185    46206   21     4909    3477   1813  12043 0.82
1.00/1.01	v x1 x2 -x3 -x4 -x5 x6 x7 -x8 -x9 -x10 x11 -x12 -x13 x14 x15 x16 x17 -x18 -x19 -x20 x21 x22 -x23 x24 -x25 x26 -x27 -x28 x29 -x30 x31 -x32
1.00/1.01	v -x33 x34 -x35 x36 x37 -x38 x39 x40 x41 -x42 -x43 x44 -x45 -x71 -x72 -x73 -x74 -x75 x46 -x47 -x48 -x49 -x50 x76 x77 x78 -x79 -x80
1.00/1.01	v x51 x52 -x53 -x54 -x55 -x81 -x82 -x83 -x84 -x85 x56 -x57 -x58 -x59 -x60 x86 -x87 -x88 -x89 -x90 x61 -x62 -x63 x64 -x65 -x91 -x92
1.00/1.01	v -x93 -x94 -x95 x66 -x67 -x68 -x69 x70 -x96 x97 -x98 -x99 -x100 -x101 x102 x103 x104 -x105
1.00/1.01	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
1.00/1.01	c   21    11482    515    14784     3791    77532   3419  11345 1.01
1.00/1.01	c Objective: 3
1.00/1.01	s OPTIMUM FOUND
1.00/1.01	c Total time: 1.012 s

Verifier Data (download as text)

OK	3

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node34/watcher-452863-1177988238 -o ROOT/results/node34/solver-452863-1177988238 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.17 -m1800 /tmp/evaluation/452863-1177988238/instance-452863-1177988238.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): 3600 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 9156
/proc/meminfo: memFree=1779144/2055920 swapFree=4159588/4192956
[pid=9156] ppid=9154 vsize=19552 CPUtime=0
/proc/9156/stat : 9156 (bsolo3.0.17) R 9154 9156 7647 0 -1 4194304 371 0 0 0 0 0 0 0 18 0 1 0 246739235 20021248 341 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 8156795 0 0 4096 16384 0 0 0 17 1 0 0
/proc/9156/statm: 4888 343 289 324 0 3957 0

[startup+0.054491 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 9156
/proc/meminfo: memFree=1779144/2055920 swapFree=4159588/4192956
[pid=9156] ppid=9154 vsize=4448 CPUtime=0.05
/proc/9156/stat : 9156 (bsolo3.0.17) R 9154 9156 7647 0 -1 4194304 522 0 0 0 5 0 0 0 18 0 1 0 246739235 4554752 491 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 8156795 0 0 4096 16384 0 0 0 17 1 0 0
/proc/9156/statm: 1112 491 310 324 0 182 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 4448

[startup+0.101494 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 9156
/proc/meminfo: memFree=1779144/2055920 swapFree=4159588/4192956
[pid=9156] ppid=9154 vsize=4848 CPUtime=0.09
/proc/9156/stat : 9156 (bsolo3.0.17) R 9154 9156 7647 0 -1 4194304 610 0 0 0 9 0 0 0 18 0 1 0 246739235 4964352 579 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 8156795 0 0 4096 16384 0 0 0 17 1 0 0
/proc/9156/statm: 1212 579 310 324 0 282 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4848

[startup+0.301509 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 9156
/proc/meminfo: memFree=1779144/2055920 swapFree=4159588/4192956
[pid=9156] ppid=9154 vsize=5500 CPUtime=0.29
/proc/9156/stat : 9156 (bsolo3.0.17) R 9154 9156 7647 0 -1 4194304 785 0 0 0 29 0 0 0 20 0 1 0 246739235 5632000 754 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134551052 0 0 4096 16384 0 0 0 17 1 0 0
/proc/9156/statm: 1375 754 311 324 0 445 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5500

[startup+0.701541 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 9156
/proc/meminfo: memFree=1779144/2055920 swapFree=4159588/4192956
[pid=9156] ppid=9154 vsize=5500 CPUtime=0.69
/proc/9156/stat : 9156 (bsolo3.0.17) R 9154 9156 7647 0 -1 4194304 796 0 0 0 69 0 0 0 23 0 1 0 246739235 5632000 765 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 8162980 0 0 4096 16384 0 0 0 17 1 0 0
/proc/9156/statm: 1375 765 311 324 0 445 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5500

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

[startup+0.901557 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 9156
/proc/meminfo: memFree=1779144/2055920 swapFree=4159588/4192956
[pid=9156] ppid=9154 vsize=5500 CPUtime=0.89
/proc/9156/stat : 9156 (bsolo3.0.17) R 9154 9156 7647 0 -1 4194304 796 0 0 0 89 0 0 0 25 0 1 0 246739235 5632000 765 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134551084 0 0 4096 16384 0 0 0 17 1 0 0
/proc/9156/statm: 1375 765 311 324 0 445 0
Current children cumulated CPU time (s) 0.89
Current children cumulated vsize (KiB) 5500

[startup+1.00257 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 9157
/proc/meminfo: memFree=1777280/2055920 swapFree=4159588/4192956
[pid=9156] ppid=9154 vsize=5500 CPUtime=1
/proc/9156/stat : 9156 (bsolo3.0.17) R 9154 9156 7647 0 -1 4194304 796 0 0 0 100 0 0 0 25 0 1 0 246739235 5632000 765 18446744073709551615 134512640 135840783 4294956688 18446744073709551615 134550804 0 0 4096 16384 0 0 0 17 1 0 0
/proc/9156/statm: 1375 765 311 324 0 445 0
Current children cumulated CPU time (s) 1
Current children cumulated vsize (KiB) 5500

Child status: 0
Real time (s): 1.01842
CPU time (s): 1.01684
CPU user time (s): 1.01185
CPU system time (s): 0.004999
CPU usage (%): 99.8453
Max. virtual memory (cumulated for all children) (KiB): 5500

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.01185
system time used= 0.004999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 800
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= 12
involuntary context switches= 26

runsolver used 0.003999 second user time and 0.008998 second system time

The end

Launcher Data (download as text)

Begin job on node34 on Tue May  1 02:57:18 UTC 2007

IDJOB= 452863
IDBENCH= 47930
IDSOLVER= 199
FILE ID= node34/452863-1177988238

PBS_JOBID= 4728171

Free space on /tmp= 66558 MiB

SOLVER NAME= bsolo 3.0.17
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/factor-mod-B/factor-mod-size=5-P0=5-P1=23-P2=17-P3=7-P4=23-P5=23-P6=17-P7=31-B.opb
COMMAND LINE= bsolo3.0.17 -m1800 /tmp/evaluation/452863-1177988238/instance-452863-1177988238.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node34/watcher-452863-1177988238 -o ROOT/results/node34/solver-452863-1177988238 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.17 -m1800 /tmp/evaluation/452863-1177988238/instance-452863-1177988238.opb            

META MD5SUM SOLVER= c9b15312c639dd71a11a1e3ca1b27020
MD5SUM BENCH=  0a6c01fa713de22da499a43dc9d6a250

RANDOM SEED= 118814529

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node34.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.236
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		: 3000.236
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:       1779552 kB
Buffers:         31124 kB
Cached:         156272 kB
SwapCached:       3140 kB
Active:          83224 kB
Inactive:       128800 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1779552 kB
SwapTotal:     4192956 kB
SwapFree:      4159588 kB
Dirty:            6596 kB
Writeback:           0 kB
Mapped:          31268 kB
Slab:            49652 kB
Committed_AS:  1793724 kB
PageTables:       1980 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= 66558 MiB

End job on node34 on Tue May  1 02:57:19 UTC 2007