Trace number 1877685

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 3.1OPT2 11.5892 11.5933

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/web/www.ps.uni-sb.de/~walser/
benchmarks/radar/normalized-10:20:4.5:0.95:98.opb
MD5SUM09000b526c4cf3fc454b31cbb57a970b
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark2
Best CPU time to get the best result obtained on this benchmark4.81327
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 2
Optimality of the best value was proved YES
Number of variables906
Total number of constraints1039
Number of constraints which are clauses852
Number of constraints which are cardinality constraints (but not clauses)187
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint18
Number of terms in the objective function 906
Biggest coefficient in the objective function 553
Number of bits for the biggest coefficient in the objective function 10
Sum of the numbers in the objective function 2526
Number of bits of the sum of numbers in the objective function 12
Biggest number in a constraint 553
Number of bits of the biggest number in a constraint 10
Biggest sum of numbers in a constraint 2526
Number of bits of the biggest sum of numbers12
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Quality of the solution as a function of time


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

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-1877685-1245163248.opb
0.00/0.00	c File size is 43291 bytes.
0.00/0.00	c Highest Coefficient sum: 2526
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0.005 s
0.00/0.00	c Var: 906 Constr: 1040 854/186/0 Lit: 3639 Watch. Lit: 2442
0.00/0.00	c Obj. Vars: 906 (100 % of total variables)
0.00/0.01	c Pre-processing Time: 0.013 s
0.09/0.19	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.19	c        0    905     1038     3637    3     2441    2206      0      0 0.01
0.09/0.19	c Initial Lower Bound: 2
0.09/0.19	c Initial Path Cost: -553
0.09/0.19	o 99
0.89/0.96	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.89/0.96	c        0    905     1039     4542    4     3025    4016      1      0 0.20
0.89/0.96	o 62
2.09/2.16	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
2.09/2.16	c        0    905     1040     5447    5     3529    5826      2      0 0.96
2.09/2.16	o 59
3.19/3.21	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
3.19/3.21	c        1    905     1044     7109    6     4082    5826      6      0 2.16
3.19/3.21	o 34
4.49/4.56	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
4.49/4.56	c        1    905     1045     8014    7     4493    5826      7      0 3.21
4.49/4.56	o 32
7.49/7.59	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
7.49/7.59	c        5    905     1058    14677   13     4993    5826     20      1 4.56
7.49/7.59	c      105    905     1350   153978  114     5669    6409    312     15 6.71
7.49/7.59	o 19
8.48/8.51	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
8.48/8.51	c      105    905     1351   154883  114     6052    5826    313     13 7.59
8.48/8.51	o 17
9.38/9.41	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
9.38/9.41	c      106    905     1355   157156  115     6501    5826    317     12 8.52
9.38/9.41	o 16
10.19/10.20	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
10.19/10.20	c      110    905     1367   163937  119     7023    5826    329     11 9.41
10.19/10.20	o 15
10.78/10.83	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
10.78/10.83	c      110    905     1368   164842  120     7469    5826    330     10 10.20
10.78/10.83	o 8
11.48/11.52	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
11.48/11.52	c      110    905     1369   165747  121     7941    5826    331     10 10.84
11.48/11.52	o 7
11.48/11.58	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
11.48/11.58	c      116    905     1386   171579  123     8442    5826    348     10 11.52
11.48/11.58	o 2
11.48/11.59	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
11.48/11.59	c      116    905     1387   172484  124     8916    5826    349     10 11.58
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x239 x733 x235 x244 x137 x1 
11.48/11.59	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
11.48/11.59	c   13      117      6     1685     1391   172530    353     10 11.59
11.48/11.59	c Objective: 2
11.48/11.59	s OPTIMUM FOUND
11.48/11.59	c Total time: 11.587 s

Verifier Data 

OK	2

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1877685-1245163248/watcher-1877685-1245163248 -o /tmp/evaluation-result-1877685-1245163248/solver-1877685-1245163248 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1877685-1245163248.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 0.97 0.99 3/64 3164
/proc/meminfo: memFree=1925224/2055920 swapFree=4181364/4192956
[pid=3164] ppid=3162 vsize=10760 CPUtime=0
/proc/3164/stat : 3164 (bsolo) R 3162 3164 2870 0 -1 4194304 257 0 0 0 0 0 0 0 18 0 1 0 183922103 11018240 241 1992294400 134512640 137136520 4294956256 18446744073709551615 134519621 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3164/statm: 2690 242 175 640 0 2035 0

[startup+0.0786779 s]
/proc/loadavg: 1.00 0.97 0.99 3/64 3164
/proc/meminfo: memFree=1925224/2055920 swapFree=4181364/4192956
[pid=3164] ppid=3162 vsize=12340 CPUtime=0.07
/proc/3164/stat : 3164 (bsolo) R 3162 3164 2870 0 -1 4194304 625 0 0 0 7 0 0 0 18 0 1 0 183922103 12636160 595 1992294400 134512640 137136520 4294956256 18446744073709551615 135378934 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3164/statm: 3085 595 283 640 0 2441 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 12340

[startup+0.10168 s]
/proc/loadavg: 1.00 0.97 0.99 3/64 3164
/proc/meminfo: memFree=1925224/2055920 swapFree=4181364/4192956
[pid=3164] ppid=3162 vsize=12648 CPUtime=0.09
/proc/3164/stat : 3164 (bsolo) R 3162 3164 2870 0 -1 4194304 694 0 0 0 9 0 0 0 18 0 1 0 183922103 12951552 664 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3164/statm: 3162 664 286 640 0 2518 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 12648

[startup+0.301699 s]
/proc/loadavg: 1.00 0.97 0.99 3/64 3164
/proc/meminfo: memFree=1925224/2055920 swapFree=4181364/4192956
[pid=3164] ppid=3162 vsize=12904 CPUtime=0.29
/proc/3164/stat : 3164 (bsolo) R 3162 3164 2870 0 -1 4194304 2063 0 0 0 29 0 0 0 19 0 1 0 183922103 13213696 608 1992294400 134512640 137136520 4294956256 18446744073709551615 135448314 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3164/statm: 3226 608 290 640 0 2582 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12904

[startup+0.701739 s]
/proc/loadavg: 1.00 0.97 0.99 3/64 3164
/proc/meminfo: memFree=1925224/2055920 swapFree=4181364/4192956
[pid=3164] ppid=3162 vsize=12360 CPUtime=0.69
/proc/3164/stat : 3164 (bsolo) R 3162 3164 2870 0 -1 4194304 9532 0 0 0 67 2 0 0 22 0 1 0 183922103 12656640 557 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3164/statm: 3090 557 290 640 0 2446 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12360

[startup+1.50182 s]
/proc/loadavg: 1.00 0.97 0.99 2/65 3165
/proc/meminfo: memFree=1923808/2055920 swapFree=4181364/4192956
[pid=3164] ppid=3162 vsize=11196 CPUtime=1.49
/proc/3164/stat : 3164 (bsolo) R 3162 3164 2870 0 -1 4194304 21490 0 0 0 144 5 0 0 25 0 1 0 183922103 11464704 492 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3164/statm: 2799 492 291 640 0 2155 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 11196

[startup+3.10198 s]
/proc/loadavg: 1.00 0.97 0.99 2/65 3165
/proc/meminfo: memFree=1923872/2055920 swapFree=4181364/4192956
[pid=3164] ppid=3162 vsize=12848 CPUtime=3.09
/proc/3164/stat : 3164 (bsolo) R 3162 3164 2870 0 -1 4194304 50417 0 0 0 294 15 0 0 25 0 1 0 183922103 13156352 635 1992294400 134512640 137136520 4294956256 18446744073709551615 134731897 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3164/statm: 3212 636 293 640 0 2568 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 12848

[startup+6.3013 s]
/proc/loadavg: 1.00 0.97 0.99 2/65 3165
/proc/meminfo: memFree=1923424/2055920 swapFree=4181364/4192956
[pid=3164] ppid=3162 vsize=13824 CPUtime=6.29
/proc/3164/stat : 3164 (bsolo) R 3162 3164 2870 0 -1 4194304 110609 0 0 0 593 36 0 0 25 0 1 0 183922103 14155776 873 1992294400 134512640 137136520 4294956256 18446744073709551615 134838632 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3164/statm: 3456 873 293 640 0 2812 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 13824

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

[startup+9.50162 s]
/proc/loadavg: 1.00 0.97 0.99 2/65 3165
/proc/meminfo: memFree=1921440/2055920 swapFree=4181364/4192956
[pid=3164] ppid=3162 vsize=14912 CPUtime=9.49
/proc/3164/stat : 3164 (bsolo) R 3162 3164 2870 0 -1 4194304 166192 0 0 0 895 54 0 0 25 0 1 0 183922103 15269888 1253 1992294400 134512640 137136520 4294956256 18446744073709551615 135449375 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3164/statm: 3728 1253 293 640 0 3084 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 14912

[startup+10.3017 s]
/proc/loadavg: 1.00 0.97 0.99 2/65 3165
/proc/meminfo: memFree=1921568/2055920 swapFree=4181364/4192956
[pid=3164] ppid=3162 vsize=14972 CPUtime=10.29
/proc/3164/stat : 3164 (bsolo) R 3162 3164 2870 0 -1 4194304 177842 0 0 0 971 58 0 0 25 0 1 0 183922103 15331328 1267 1992294400 134512640 137136520 4294956256 18446744073709551615 135443216 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3164/statm: 3743 1268 293 640 0 3099 0
Current children cumulated CPU time (s) 10.29
Current children cumulated vsize (KiB) 14972

[startup+11.1018 s]
/proc/loadavg: 1.00 0.97 0.99 2/65 3165
/proc/meminfo: memFree=1920992/2055920 swapFree=4181364/4192956
[pid=3164] ppid=3162 vsize=15060 CPUtime=11.09
/proc/3164/stat : 3164 (bsolo) R 3162 3164 2870 0 -1 4194304 190785 0 0 0 1047 62 0 0 25 0 1 0 183922103 15421440 1146 1992294400 134512640 137136520 4294956256 18446744073709551615 134719141 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3164/statm: 3765 1146 293 640 0 3121 0
Current children cumulated CPU time (s) 11.09
Current children cumulated vsize (KiB) 15060

[startup+11.5018 s]
/proc/loadavg: 1.00 0.97 0.99 2/65 3165
/proc/meminfo: memFree=1920992/2055920 swapFree=4181364/4192956
[pid=3164] ppid=3162 vsize=15076 CPUtime=11.48
/proc/3164/stat : 3164 (bsolo) R 3162 3164 2870 0 -1 4194304 198853 0 0 0 1084 64 0 0 25 0 1 0 183922103 15437824 1196 1992294400 134512640 137136520 4294956256 18446744073709551615 135471103 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3164/statm: 3769 1196 293 640 0 3125 0
Current children cumulated CPU time (s) 11.48
Current children cumulated vsize (KiB) 15076

Child status: 0
Real time (s): 11.5933
CPU time (s): 11.5892
CPU user time (s): 10.9323
CPU system time (s): 0.6569
CPU usage (%): 99.9651
Max. virtual memory (cumulated for all children) (KiB): 15076

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 10.9323
system time used= 0.6569
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 199901
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= 3
involuntary context switches= 14

runsolver used 0.018997 second user time and 0.025996 second system time

The end

Launcher Data 

Begin job on node36 at 2009-06-16 16:40:48
IDJOB=1877685
IDBENCH=2229
IDSOLVER=699
FILE ID=node36/1877685-1245163248
PBS_JOBID= 9363826
Free space on /tmp= 66200 MiB

SOLVER NAME= bsolo 3.1
BENCH NAME= PB06//final/normalized-PB06/OPT-SMALLINT/web/www.ps.uni-sb.de/~walser/benchmarks/radar/normalized-10:20:4.5:0.95:98.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1877685-1245163248/watcher-1877685-1245163248 -o /tmp/evaluation-result-1877685-1245163248/solver-1877685-1245163248 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1877685-1245163248.opb

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

MD5SUM BENCH= 09000b526c4cf3fc454b31cbb57a970b
RANDOM SEED=1824997340

node36.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		: 3000.230
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		: 3000.230
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:       1925640 kB
Buffers:         27512 kB
Cached:          56968 kB
SwapCached:       6436 kB
Active:          55708 kB
Inactive:        37704 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1925640 kB
SwapTotal:     4192956 kB
SwapFree:      4181364 kB
Dirty:            3976 kB
Writeback:           0 kB
Mapped:          13428 kB
Slab:            22932 kB
Committed_AS:   177768 kB
PageTables:       1360 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-1877685-1245163248.opb

Free space on /tmp at the end= 66196 MiB
End job on node36 at 2009-06-16 16:41:00