Trace number 3708118

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 3.2OPT18 0.653899 0.654966

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-LIN/submittedPB07/
aksoy/area_opers/normalized-fir02_area_opers.opb
MD5SUM918383404e7b51b9b3205c84ccd5b510
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark18
Best CPU time to get the best result obtained on this benchmark0.037994
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 18
Optimality of the best value was proved YES
Number of variables1464
Total number of constraints2689
Number of constraints which are clauses2689
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint31
Number of terms in the objective function 759
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 759
Number of bits of the sum of numbers in the objective function 10
Biggest number in a constraint 2
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 759
Number of bits of the biggest sum of numbers10
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 3.2 - 23/05/2010 : 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 Instance file HOME/instance-3708118-1338169505.opb
0.00/0.00	c File size is 79160 bytes.
0.00/0.00	c Highest Coefficient sum: 759
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0.004 s
0.00/0.00	c Var: 1464 Constr: 2689 2689/0/0 Lit: 6764 Watch. Lit: 5375
0.00/0.00	c Obj. Vars: 759 (51.8443 % of total variables)
0.00/0.01	c Formula reductions applied at preprocessing
0.00/0.01	c Pre-processing Time: 0.016 s
0.10/0.15	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.10/0.15	c        0   1438     2676     6741    2     5352     891      0      0 0.02
0.10/0.15	c Initial Lower Bound: 18
0.10/0.15	c Initial Path Cost: 4
0.10/0.15	o 19
0.58/0.64	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.58/0.64	c        0   1438     2677     7479    2     6077    1891      1      0 0.15
0.58/0.64	o 18
0.58/0.65	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.58/0.65	c        0   1438     2678     8217    3     6803    2891      2      0 0.64
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0.58/0.65	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.58/0.65	c    2        1      2     1021     2682     8222      6      1 0.65
0.58/0.65	c Objective: 18
0.58/0.65	s OPTIMUM FOUND
0.58/0.65	c Total time: 0.652 s

Verifier Data

OK	18

Watcher Data

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.1 (svn: 989)

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-3708118-1338169505/watcher-3708118-1338169505 -o /tmp/evaluation-result-3708118-1338169505/solver-3708118-1338169505 -C 1800 -W 1900 -M 15500 bsolo -l2 -t1800 HOME/instance-3708118-1338169505.opb 

running on 4 cores: 1,3,5,7

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: 2.01 2.01 2.00 3/173 32721
/proc/meminfo: memFree=28461064/32873852 swapFree=6848/6848
[pid=32721] ppid=32719 vsize=11020 CPUtime=0 cores=1,3,5,7
/proc/32721/stat : 32721 (bsolo) R 32719 32721 31475 0 -1 4202496 348 0 0 0 0 0 0 0 20 0 1 0 283075976 11284480 301 33554432000 134512640 137138936 4287817648 4287815896 136506715 0 0 4096 16384 0 0 0 17 5 0 0 0 0 0
/proc/32721/statm: 2755 301 182 642 0 2091 0

[startup+0.105857 s]
/proc/loadavg: 2.01 2.01 2.00 3/173 32721
/proc/meminfo: memFree=28461064/32873852 swapFree=6848/6848
[pid=32721] ppid=32719 vsize=11844 CPUtime=0.1 cores=1,3,5,7
/proc/32721/stat : 32721 (bsolo) R 32719 32721 31475 0 -1 4202496 668 0 0 0 10 0 0 0 20 0 1 0 283075976 12128256 530 33554432000 134512640 137138936 4287817648 4287816032 134712224 0 0 4096 16384 0 0 0 17 5 0 0 0 0 0
/proc/32721/statm: 2961 531 219 642 0 2317 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 11844

[startup+0.200225 s]
/proc/loadavg: 2.01 2.01 2.00 3/173 32721
/proc/meminfo: memFree=28461064/32873852 swapFree=6848/6848
[pid=32721] ppid=32719 vsize=14896 CPUtime=0.19 cores=1,3,5,7
/proc/32721/stat : 32721 (bsolo) R 32719 32721 31475 0 -1 4202496 5687 0 0 0 18 1 0 0 20 0 1 0 283075976 15253504 801 33554432000 134512640 137138936 4287817648 4287815744 135471453 0 0 4096 16384 0 0 0 17 5 0 0 0 0 0
/proc/32721/statm: 3724 801 282 642 0 3080 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 14896

[startup+0.300238 s]
/proc/loadavg: 2.01 2.01 2.00 3/173 32721
/proc/meminfo: memFree=28461064/32873852 swapFree=6848/6848
[pid=32721] ppid=32719 vsize=13896 CPUtime=0.29 cores=1,3,5,7
/proc/32721/stat : 32721 (bsolo) R 32719 32721 31475 0 -1 4202496 15370 0 0 0 27 2 0 0 20 0 1 0 283075976 14229504 699 33554432000 134512640 137138936 4287817648 4287815544 136506715 0 0 4096 16384 0 0 0 17 5 0 0 0 0 0
/proc/32721/statm: 3507 720 282 642 0 2863 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 13896

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

[startup+0.400231 s]
/proc/loadavg: 2.01 2.01 2.00 3/173 32721
/proc/meminfo: memFree=28461064/32873852 swapFree=6848/6848
[pid=32721] ppid=32719 vsize=14896 CPUtime=0.39 cores=1,3,5,7
/proc/32721/stat : 32721 (bsolo) R 32719 32721 31475 0 -1 4202496 25026 0 0 0 36 3 0 0 20 0 1 0 283075976 15253504 801 33554432000 134512640 137138936 4287817648 4287815744 135471453 0 0 4096 16384 0 0 0 17 5 0 0 0 0 0
/proc/32721/statm: 3724 801 282 642 0 3080 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 14896

[startup+0.600224 s]
/proc/loadavg: 2.01 2.01 2.00 3/173 32721
/proc/meminfo: memFree=28461064/32873852 swapFree=6848/6848
[pid=32721] ppid=32719 vsize=11916 CPUtime=0.58 cores=1,3,5,7
/proc/32721/stat : 32721 (bsolo) R 32719 32721 31475 0 -1 4202496 44277 0 0 0 53 5 0 0 20 0 1 0 283075976 12201984 615 33554432000 134512640 137138936 4287817648 4287815792 134913129 0 0 4096 16384 0 0 0 17 5 0 0 0 0 0
/proc/32721/statm: 2979 623 282 642 0 2335 0
Current children cumulated CPU time (s) 0.58
Current children cumulated vsize (KiB) 11916

Child status: 0
Real time (s): 0.654966
CPU time (s): 0.653899
CPU user time (s): 0.58591
CPU system time (s): 0.067989
CPU usage (%): 99.8371
Max. virtual memory (cumulated for all children) (KiB): 14896

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.58591
system time used= 0.067989
maximum resident set size= 3772
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 48677
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 0.003999 second user time and 0.007998 second system time

The end

Launcher Data

Begin job on node129 at 2012-05-28 03:45:05
IDJOB=3708118
IDBENCH=25042
IDSOLVER=2286
FILE ID=node129/3708118-1338169505
RUNJOBID= node129-1338158686-31492
PBS_JOBID= 14624544
Free space on /tmp= 71192 MiB

SOLVER NAME= bsolo 3.2
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-LIN/submittedPB07/aksoy/area_opers/normalized-fir02_area_opers.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3708118-1338169505/watcher-3708118-1338169505 -o /tmp/evaluation-result-3708118-1338169505/solver-3708118-1338169505 -C 1800 -W 1900 -M 15500  bsolo -l2 -t1800 HOME/instance-3708118-1338169505.opb

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

MD5SUM BENCH= 918383404e7b51b9b3205c84ccd5b510
RANDOM SEED=1555566246

node129.alineos.net Linux 2.6.32-71.29.1.el6.x86_64 #1 SMP Mon Jun 27 19:49:27 BST 2011

/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		: 2666.957
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5333.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.957
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
initial apicid	: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.957
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
initial apicid	: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.957
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
initial apicid	: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.957
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
initial apicid	: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.90
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.957
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
initial apicid	: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.92
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.957
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
initial apicid	: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.90
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.957
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
initial apicid	: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.90
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:       32873852 kB
MemFree:        28461708 kB
Buffers:          384904 kB
Cached:          3138300 kB
SwapCached:            0 kB
Active:          1270076 kB
Inactive:        2283340 kB
Active(anon):      32632 kB
Inactive(anon):        0 kB
Active(file):    1237444 kB
Inactive(file):  2283340 kB
Unevictable:        6848 kB
Mlocked:            6848 kB
SwapTotal:      67108856 kB
SwapFree:       67108856 kB
Dirty:              9816 kB
Writeback:            12 kB
AnonPages:         37188 kB
Mapped:            15016 kB
Shmem:               204 kB
Slab:             720220 kB
SReclaimable:     162500 kB
SUnreclaim:       557720 kB
KernelStack:        1408 kB
PageTables:         3816 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545780 kB
Committed_AS:     151212 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346360 kB
VmallocChunk:   34341988004 kB
HardwareCorrupted:     0 kB
AnonHugePages:         0 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        7872 kB
DirectMap2M:    33538048 kB

Free space on /tmp at the end= 71188 MiB
End job on node129 at 2012-05-28 03:45:06