Trace number 366091

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 3.0.16OPT17 0.110982 0.112853

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/
submitted-PB06/manquiho/golomb-rulers/normalized-OGR_6.opb
MD5SUMa6fbaa86ad104839735089987b256e67
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark17
Best CPU time to get the best result obtained on this benchmark0.078987
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 17
Optimality of the best value was proved YES
Number of variables141
Total number of constraints215
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 constraints215
Minimum length of a constraint12
Maximum length of a constraint25
Number of terms in the objective function 6
Biggest coefficient in the objective function 32
Number of bits for the biggest coefficient in the objective function 6
Sum of the numbers in the objective function 63
Number of bits of the sum of numbers in the objective function 6
Biggest number in a constraint 64
Number of bits of the biggest number in a constraint 7
Biggest sum of numbers in a constraint 323
Number of bits of the biggest sum of numbers9
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 (download as text)

0.00/0.00	c bsolo beta version 3.0.16 - 04/04/2007 : 1458 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 Time Limit set to 1800
0.00/0.00	c Memory Limit set to 1800 MB
0.00/0.00	c Instance file /tmp/evaluation/366091-1177057436/instance-366091-1177057436.opb
0.00/0.00	c File size is 32267 bytes.
0.00/0.01	c Highest Coefficient sum: 323
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.006 s
0.00/0.01	c Var: 141 Constr: 215 0/0/215 Lit: 4230 Watch. Lit: 1015
0.00/0.01	c Obj. Vars: 6 (4.25532 % of total variables)
0.00/0.01	c Pre-processing Time: 0.011 s
0.00/0.01	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.01	c        0    141      215     4230   19     2028    8460      0      0 0.01
0.00/0.01	c Switching off LPR mode.
0.00/0.04	c      103    141      318     6298   19     3295    9307    103   3961 0.03
0.00/0.04	o 22	0.041
0.00/0.04	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.04	c      195    141      411     8466   20     3178    8472    196   4756 0.04
0.00/0.04	o 20	0.041
0.00/0.04	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.04	c      197    141      414     8504   20     3143    8472    199   4804 0.04
0.00/0.04	o 18	0.044
0.00/0.05	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.05	c      215    141      433     8966   20     3137    8472    218   4886 0.04
0.00/0.05	o 17	0.052
0.09/0.11	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.11	c      274    135      493    10011   20     3360    8470    278   5269 0.05
0.09/0.11	c      376    128      595    11254   18     3514    9318    380   5611 0.07
0.09/0.11	v x1 -x2 -x3 -x4 x5 -x6 -x25 x26 -x27 x28 -x29 -x30 -x31 -x32 x33 x34 -x35 -x36 x141 -x19 -x20 x21 -x22 -x23 -x24 -x140 -x139 -x138
0.09/0.11	v x137 -x136 x7 -x8 -x9 -x10 -x11 -x12 -x135 -x134 x133 -x132 -x131 -x130 x129 -x128 x127 x126 -x125 x124 x123 x122 -x13 -x14 -x15
0.09/0.11	v -x16 -x17 -x18 -x121 -x120 x119 x118 -x117 -x116 -x115 x114 -x113 x112 x111 x110 x109 -x108 x107 x106 x105 x104 x103 x102 x101
0.09/0.11	v x100 x99 x98 x97 x96 x95 x94 x93 x92 -x91 -x90 x89 x88 x87 -x86 -x85 -x84 x83 -x82 x81 x80 x79 x78 x77 x76 -x75 x74 x73 x72 x71 x70
0.09/0.11	v x69 x68 x67 x66 x65 x64 x63 x62 x61 x60 x59 x58 x57 x56 x55 x54 x53 x52 x51 x50 x49 x48 x47 x46 x45 x44 x43 x42 x41 x40 x39 x38 x37
0.09/0.11	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.09/0.11	c    6      615     51      842      834    13581    619   5747 0.11
0.09/0.11	c Objective: 17
0.09/0.11	s OPTIMUM FOUND
0.09/0.11	c Total time: 0.107 s

Verifier Data (download as text)

OK	17

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node70/watcher-366091-1177057436 -o ROOT/results/node70/solver-366091-1177057436 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/366091-1177057436/instance-366091-1177057436.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 3/64 19399
/proc/meminfo: memFree=1675000/2055920 swapFree=4183764/4192956
[pid=19399] ppid=19397 vsize=19580 CPUtime=0
/proc/19399/stat : 19399 (bsolo3.0.16) R 19397 19399 2858 0 -1 4194304 365 0 0 0 0 0 0 0 18 0 1 0 145280974 20049920 333 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 8849019 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19399/statm: 4895 333 281 324 0 3956 0

[startup+0.0736609 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 19399
/proc/meminfo: memFree=1675000/2055920 swapFree=4183764/4192956
[pid=19399] ppid=19397 vsize=4184 CPUtime=0.06
/proc/19399/stat : 19399 (bsolo3.0.16) R 19397 19399 2858 0 -1 4194304 477 0 0 0 6 0 0 0 18 0 1 0 145280974 4284416 437 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19399/statm: 1046 437 312 324 0 115 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 4184

[startup+0.101663 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 19399
/proc/meminfo: memFree=1675000/2055920 swapFree=4183764/4192956
[pid=19399] ppid=19397 vsize=4316 CPUtime=0.09
/proc/19399/stat : 19399 (bsolo3.0.16) R 19397 19399 2858 0 -1 4194304 487 0 0 0 9 0 0 0 18 0 1 0 145280974 4419584 447 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19399/statm: 1079 447 312 324 0 148 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4316

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

Child status: 0
Real time (s): 0.112853
CPU time (s): 0.110982
CPU user time (s): 0.107983
CPU system time (s): 0.002999
CPU usage (%): 98.3421
Max. virtual memory (cumulated for all children) (KiB): 4316

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.107983
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 491
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= 0

runsolver used 0.003999 second user time and 0.004999 second system time

The end

Launcher Data (download as text)

Begin job on node70 on Fri Apr 20 08:23:56 UTC 2007

IDJOB= 366091
IDBENCH= 2628
IDSOLVER= 163
FILE ID= node70/366091-1177057436

PBS_JOBID= 4640174

Free space on /tmp= 66473 MiB

SOLVER NAME= bsolo 3.0.16
BENCH NAME= HOME/pub/bench/PB06/final/normalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/golomb-rulers/normalized-OGR_6.opb
COMMAND LINE= bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/366091-1177057436/instance-366091-1177057436.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node70/watcher-366091-1177057436 -o ROOT/results/node70/solver-366091-1177057436 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/366091-1177057436/instance-366091-1177057436.opb            

META MD5SUM SOLVER= b11bf0769a124f73ad50b0fdfcd50482
MD5SUM BENCH=  a6fbaa86ad104839735089987b256e67

RANDOM SEED= 338699796

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node70.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		: 3000.218
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:       1675472 kB
Buffers:         28552 kB
Cached:         285728 kB
SwapCached:       3076 kB
Active:         103560 kB
Inactive:       225572 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1675472 kB
SwapTotal:     4192956 kB
SwapFree:      4183764 kB
Dirty:            4420 kB
Writeback:           0 kB
Mapped:          20660 kB
Slab:            37408 kB
Committed_AS:  3369436 kB
PageTables:       1408 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= 66473 MiB

End job on node70 on Fri Apr 20 08:23:57 UTC 2007