Trace number 3462568

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 NameAnswerobjective functionCPU timeWall clock time
bsolo 3.2OPT3 0.088985 0.105177

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/
factor-mod-B/factor-mod-size=8-P0=179-P1=37-B.opb
MD5SUM7c55947c8932da669a6320e0df24c1e1
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 benchmark0.014997
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 variables24
Total number of constraints3
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 constraints3
Minimum length of a constraint8
Maximum length of a constraint72
Number of terms in the objective function 8
Biggest coefficient in the objective function 128
Number of bits for the biggest coefficient in the objective function 8
Sum of the numbers in the objective function 255
Number of bits of the sum of numbers in the objective function 8
Biggest number in a constraint 32768
Number of bits of the biggest number in a constraint 16
Biggest sum of numbers in a constraint 130528
Number of bits of the biggest sum of numbers17
Number of products (including duplicates)64
Sum of products size (including duplicates)128
Number of different products64
Sum of products size128

Quality of the solution as a function of time


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

Solver Data 

0.00/0.01	c bsolo beta version 3.2 - 23/05/2010 : 1630 GMT
0.00/0.01	c Developed by Vasco Manquinho and José Santos IST/UTL - INESC-ID
0.00/0.01	c type "bsolo -h" for help
0.00/0.01	c Time Limit set via environment variable PBTIMEOUT to 1800
0.00/0.01	c Learning Strategy: Cardinality Constraint Learning
0.00/0.01	c Time Limit set to 1800
0.00/0.01	c Instance file HOME/instance-3462568-1307181268.opb
0.00/0.01	c File size is 1316 bytes.
0.00/0.01	c Highest Coefficient sum: 130528
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0 s
0.00/0.01	c Var: 88 Constr: 132 64/0/68 Lit: 544 Watch. Lit: 340
0.00/0.01	c Obj. Vars: 8 (9.09091 % of total variables)
0.00/0.01	c Pre-processing Time: 0 s
0.00/0.01	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.01	c        0     88      132      544    4      468     725      0 -2147483648 0.00
0.00/0.01	c Switching off lower bounding mode.
0.04/0.09	c      100     88      321     8082   25      981     798    189   8333 0.01
0.04/0.09	c      252     88      600    20925   34     1752     878    468   7411 0.03
0.04/0.09	c      477     88      571    24259   42     1341     966    439   6445 0.07
0.04/0.09	o 35
0.08/0.10	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.08/0.10	c      495     88      605    25722   42     1437     741    473   6428 0.08
0.08/0.10	o 7
0.08/0.10	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.08/0.10	c      544     88      700    29257   41     1692     741    568   6400 0.09
0.08/0.10	o 3
0.08/0.10	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.08/0.10	c      553     35      712    29430   41     1711     729    580   6430 0.09
0.08/0.10	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 
0.08/0.10	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.08/0.10	c    6      554     17      742      714    29433    582   6367 0.09
0.08/0.10	c Objective: 3
0.08/0.10	s OPTIMUM FOUND
0.08/0.10	c Total time: 0.087 s

Verifier Data 

OK	3

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 977)

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-3462568-1307181268/watcher-3462568-1307181268 -o /tmp/evaluation-result-3462568-1307181268/solver-3462568-1307181268 -C 1800 -W 1900 -M 15500 bsolo -l2 -t1800 HOME/instance-3462568-1307181268.opb 

running on 4 cores: 0,2,4,6

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): 1900 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.00 2.01 2.00 2/434 8747
/proc/meminfo: memFree=12423408/32951132 swapFree=67093840/67111528
[pid=8747] ppid=8745 vsize=11796 CPUtime=0 cores=0,2,4,6
/proc/8747/stat : 8747 (runsolver) R 8745 8747 6192 0 -1 4202560 42 0 0 0 0 0 0 0 25 0 1 0 829726470 12079104 51 33554432000 4194304 5432328 140734497996256 18446744073709551615 4881591 0 2147483391 4096 24578 0 0 0 17 6 0 0 0
/proc/8747/statm: 2949 51 31 303 0 2643 0

[startup+0.062042 s]
/proc/loadavg: 2.00 2.01 2.00 2/434 8747
/proc/meminfo: memFree=12423408/32951132 swapFree=67093840/67111528
[pid=8747] ppid=8745 vsize=18984 CPUtime=0.04 cores=0,2,4,6
/proc/8747/stat : 8747 (bsolo) R 8745 8747 6192 0 -1 4202496 386 0 0 0 4 0 0 0 25 0 1 0 829726470 19439616 339 33554432000 134512640 137138936 4294620048 18446744073709551615 134542613 0 0 4096 16384 0 0 0 17 0 0 0 0
/proc/8747/statm: 4746 339 192 642 0 4102 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 18984

[startup+0.101082 s]
/proc/loadavg: 2.00 2.01 2.00 2/434 8747
/proc/meminfo: memFree=12423408/32951132 swapFree=67093840/67111528
[pid=8747] ppid=8745 vsize=19116 CPUtime=0.08 cores=0,2,4,6
/proc/8747/stat : 8747 (bsolo) R 8745 8747 6192 0 -1 4202496 443 0 0 0 8 0 0 0 25 0 1 0 829726470 19574784 396 33554432000 134512640 137138936 4294620048 18446744073709551615 134542613 0 0 4096 16384 0 0 0 17 0 0 0 0
/proc/8747/statm: 4779 396 192 642 0 4135 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 19116

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

Child status: 0
Real time (s): 0.105177
CPU time (s): 0.088985
CPU user time (s): 0.087986
CPU system time (s): 0.000999
CPU usage (%): 84.6049
Max. virtual memory (cumulated for all children) (KiB): 19116

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.087986
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 444
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= 1

runsolver used 0.005999 second user time and 0.009998 second system time

The end

Launcher Data 

Begin job on node131 at 2011-06-04 11:54:28
IDJOB=3462568
IDBENCH=47984
IDSOLVER=1955
FILE ID=node131/3462568-1307181268
RUNJOBID= node131-1307175315-7503
PBS_JOBID= 13508857
Free space on /tmp= 73904 MiB

SOLVER NAME= bsolo 3.2
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/factor-mod-B/factor-mod-size=8-P0=179-P1=37-B.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3462568-1307181268/watcher-3462568-1307181268 -o /tmp/evaluation-result-3462568-1307181268/solver-3462568-1307181268 -C 1800 -W 1900 -M 15500  bsolo -l2 -t1800 HOME/instance-3462568-1307181268.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= 7c55947c8932da669a6320e0df24c1e1
RANDOM SEED=119780570

node131.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5333.66
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.77
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951132 kB
MemFree:      12423688 kB
Buffers:        352516 kB
Cached:        5683816 kB
SwapCached:        948 kB
Active:       16042952 kB
Inactive:      4164516 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951132 kB
LowFree:      12423688 kB
SwapTotal:    67111528 kB
SwapFree:     67093840 kB
Dirty:            3972 kB
Writeback:           0 kB
AnonPages:    14169768 kB
Mapped:          39632 kB
Slab:           198424 kB
PageTables:      55520 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587092 kB
Committed_AS: 95445852 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296000 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 73900 MiB
End job on node131 at 2011-06-04 11:54:29