Trace number 3463582

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 3.2OPT15 1.03284 1.03329

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB05/
manquinho/logic-synthesis/normalized-jac3.opb
MD5SUM05a03b946ede4da21fcf30fd621632f5
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark15
Best CPU time to get the best result obtained on this benchmark0.288955
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 15
Optimality of the best value was proved YES
Number of variables1731
Total number of constraints1254
Number of constraints which are clauses1254
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 constraint2
Maximum length of a constraint694
Number of terms in the objective function 1731
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 1731
Number of bits of the sum of numbers in the objective function 11
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 1731
Number of bits of the biggest sum of numbers11
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-3463582-1307176317.opb
0.00/0.00	c File size is 227411 bytes.
0.00/0.01	c Highest Coefficient sum: 1731
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.015 s
0.00/0.01	c Var: 1731 Constr: 1254 1254/0/0 Lit: 24011 Watch. Lit: 2508
0.00/0.01	c Obj. Vars: 1731 (100 % of total variables)
0.39/0.42	c Formula reductions applied at preprocessing
0.39/0.42	c Pre-processing Time: 0.425 s
0.39/0.48	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.39/0.48	c        0   1280      935    20288   21     1870     311      0      0 0.42
0.39/0.48	c Initial Lower Bound: 15
0.39/0.48	c Initial Path Cost: 0
0.39/0.48	o 25
0.89/0.94	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.89/0.94	c        1   1280      937    21614   23     3129    1311      2      2 0.48
0.89/0.94	o 15
1.00/1.03	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.00/1.03	c        1   1280      938    22894   24     4396    1311      3      1 0.94
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1.00/1.03	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
1.00/1.03	c    2        2      3     1261      942    22897      7      1 1.03
1.00/1.03	c Objective: 15
1.00/1.03	s OPTIMUM FOUND
1.00/1.03	c Total time: 1.031 s

Verifier Data 

OK	15

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-3463582-1307176317/watcher-3463582-1307176317 -o /tmp/evaluation-result-3463582-1307176317/solver-3463582-1307176317 -C 1800 -W 1900 -M 15500 bsolo -l2 -t1800 HOME/instance-3463582-1307176317.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: 2.05 2.05 2.01 2/515 17767
/proc/meminfo: memFree=22964828/32950928 swapFree=58671692/67111528
[pid=17767] ppid=17765 vsize=11276 CPUtime=0.01 cores=1,3,5,7
/proc/17767/stat : 17767 (bsolo) R 17765 17767 16455 0 -1 4202496 383 0 0 0 1 0 0 0 25 0 1 0 907862394 11546624 338 33554432000 134512640 137138936 4292337152 18446744073709551615 136506715 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17767/statm: 2819 338 205 642 0 2119 0

[startup+0.095565 s]
/proc/loadavg: 2.05 2.05 2.01 2/515 17767
/proc/meminfo: memFree=22964828/32950928 swapFree=58671692/67111528
[pid=17767] ppid=17765 vsize=11836 CPUtime=0.09 cores=1,3,5,7
/proc/17767/stat : 17767 (bsolo) R 17765 17767 16455 0 -1 4202496 599 0 0 0 9 0 0 0 25 0 1 0 907862394 12120064 498 33554432000 134512640 137138936 4292337152 18446744073709551615 136570369 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17767/statm: 2959 498 185 642 0 2315 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11836

[startup+0.100558 s]
/proc/loadavg: 2.05 2.05 2.01 2/515 17767
/proc/meminfo: memFree=22964828/32950928 swapFree=58671692/67111528
[pid=17767] ppid=17765 vsize=11836 CPUtime=0.09 cores=1,3,5,7
/proc/17767/stat : 17767 (bsolo) R 17765 17767 16455 0 -1 4202496 599 0 0 0 9 0 0 0 25 0 1 0 907862394 12120064 498 33554432000 134512640 137138936 4292337152 18446744073709551615 134532576 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17767/statm: 2959 498 185 642 0 2315 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11836

[startup+0.300529 s]
/proc/loadavg: 2.05 2.05 2.01 2/515 17767
/proc/meminfo: memFree=22964828/32950928 swapFree=58671692/67111528
[pid=17767] ppid=17765 vsize=11836 CPUtime=0.29 cores=1,3,5,7
/proc/17767/stat : 17767 (bsolo) R 17765 17767 16455 0 -1 4202496 599 0 0 0 29 0 0 0 25 0 1 0 907862394 12120064 498 33554432000 134512640 137138936 4292337152 18446744073709551615 134532597 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17767/statm: 2959 498 185 642 0 2315 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11836

[startup+0.700451 s]
/proc/loadavg: 2.05 2.05 2.01 2/515 17767
/proc/meminfo: memFree=22964828/32950928 swapFree=58671692/67111528
[pid=17767] ppid=17765 vsize=13564 CPUtime=0.69 cores=1,3,5,7
/proc/17767/stat : 17767 (bsolo) R 17765 17767 16455 0 -1 4202496 14019 0 0 0 68 1 0 0 25 0 1 0 907862394 13889536 794 33554432000 134512640 137138936 4292337152 18446744073709551615 134712130 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17767/statm: 3391 794 287 642 0 2747 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13564

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

[startup+0.900412 s]
/proc/loadavg: 2.05 2.05 2.01 2/515 17767
/proc/meminfo: memFree=22964828/32950928 swapFree=58671692/67111528
[pid=17767] ppid=17765 vsize=14184 CPUtime=0.89 cores=1,3,5,7
/proc/17767/stat : 17767 (bsolo) R 17765 17767 16455 0 -1 4202496 22824 0 0 0 87 2 0 0 25 0 1 0 907862394 14524416 839 33554432000 134512640 137138936 4292337152 18446744073709551615 135322694 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17767/statm: 3546 839 287 642 0 2902 0
Current children cumulated CPU time (s) 0.89
Current children cumulated vsize (KiB) 14184

[startup+1.00039 s]
/proc/loadavg: 2.05 2.05 2.01 3/516 17768
/proc/meminfo: memFree=22961100/32950928 swapFree=58671692/67111528
[pid=17767] ppid=17765 vsize=14744 CPUtime=1 cores=1,3,5,7
/proc/17767/stat : 17767 (bsolo) R 17765 17767 16455 0 -1 4202496 23374 0 0 0 98 2 0 0 25 0 1 0 907862394 15097856 1000 33554432000 134512640 137138936 4292337152 18446744073709551615 135445287 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17767/statm: 3686 1000 288 642 0 3042 0
Current children cumulated CPU time (s) 1
Current children cumulated vsize (KiB) 14744

Child status: 0
Real time (s): 1.03329
CPU time (s): 1.03284
CPU user time (s): 1.00885
CPU system time (s): 0.023996
CPU usage (%): 99.9563
Max. virtual memory (cumulated for all children) (KiB): 14744

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.00885
system time used= 0.023996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 23458
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= 2
involuntary context switches= 1

runsolver used 0.007998 second user time and 0.029995 second system time

The end

Launcher Data 

Begin job on node115 at 2011-06-04 10:31:57
IDJOB=3463582
IDBENCH=2045
IDSOLVER=1955
FILE ID=node115/3463582-1307176317
RUNJOBID= node115-1307174923-17603
PBS_JOBID= 13508831
Free space on /tmp= 73836 MiB

SOLVER NAME= bsolo 3.2
BENCH NAME= PB06//final/normalized-PB06/OPT-SMALLINT/submitted-PB05/manquinho/logic-synthesis/normalized-jac3.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3463582-1307176317/watcher-3463582-1307176317 -o /tmp/evaluation-result-3463582-1307176317/solver-3463582-1307176317 -C 1800 -W 1900 -M 15500  bsolo -l2 -t1800 HOME/instance-3463582-1307176317.opb

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

MD5SUM BENCH= 05a03b946ede4da21fcf30fd621632f5
RANDOM SEED=1332186620

node115.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		: 2666.811
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	: 5333.62
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		: 2666.811
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	: 5226.15
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		: 2666.811
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	: 5332.75
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		: 2666.811
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		: 2666.811
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		: 2666.811
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	: 5332.74
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		: 2666.811
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		: 2666.811
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:     32950928 kB
MemFree:      22965116 kB
Buffers:        194144 kB
Cached:         318336 kB
SwapCached:      65796 kB
Active:        1234948 kB
Inactive:      8509312 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      22965116 kB
SwapTotal:    67111528 kB
SwapFree:     58671692 kB
Dirty:            3912 kB
Writeback:           0 kB
AnonPages:     9169320 kB
Mapped:          28684 kB
Slab:            96528 kB
PageTables:      76008 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS: 151982684 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296008 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 73832 MiB
End job on node115 at 2011-06-04 10:31:58