Trace number 2657029

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 3.2 CardOPT15 1.9417 1.94183

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 benchmark0.705892
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 Time Limit set to 1800
0.00/0.00	c Learning Strategy: Cardinality Constraint Learning
0.00/0.00	c Instance file HOME/instance-2657029-1276410355.opb
0.00/0.00	c File size is 227411 bytes.
0.00/0.04	c Highest Coefficient sum: 1731
0.00/0.04	c Parsing was ok!!
0.00/0.04	c Total parsing time: 0.038 s
0.00/0.04	c Var: 1731 Constr: 1254 1254/0/0 Lit: 24011 Watch. Lit: 2508
0.00/0.04	c Obj. Vars: 1731 (100 % of total variables)
0.59/0.67	c Formula reductions applied at preprocessing
0.59/0.67	c Pre-processing Time: 0.677 s
0.69/0.78	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.69/0.78	c        0   1280      935    20288   21     1870     311      0      0 0.68
0.69/0.78	c Initial Lower Bound: 15
0.69/0.78	c Initial Path Cost: 0
0.69/0.79	o 25
1.69/1.76	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.69/1.76	c        1   1280      937    21614   23     3129    1311      2      1 0.79
1.69/1.76	o 15
1.89/1.94	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.89/1.94	c        1   1280      938    22894   24     4396    1311      3      0 1.76
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1.89/1.94	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
1.89/1.94	c    2        2      3     1261      942    22897      7      1 1.94
1.89/1.94	c Objective: 15
1.89/1.94	s OPTIMUM FOUND
1.89/1.94	c Total time: 1.94 s

Verifier Data 

OK	15

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2657029-1276410355/watcher-2657029-1276410355 -o /tmp/evaluation-result-2657029-1276410355/solver-2657029-1276410355 -C 1800 -W 2000 -M 1800 bsolo_pb10 -t1800 -l2 HOME/instance-2657029-1276410355.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: 0.94 0.98 0.99 3/106 22432
/proc/meminfo: memFree=1706888/2059040 swapFree=4158992/4192956
[pid=22432] ppid=22430 vsize=18832 CPUtime=0
/proc/22432/stat : 22432 (bsolo_pb10) R 22430 22432 21767 0 -1 4202496 337 0 0 0 0 0 0 0 23 0 1 0 16639138 19283968 255 1992294400 134512640 137138936 4287974384 18446744073709551615 136506715 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/22432/statm: 4708 255 175 642 0 4008 0

[startup+0.0598781 s]
/proc/loadavg: 0.94 0.98 0.99 3/106 22432
/proc/meminfo: memFree=1706888/2059040 swapFree=4158992/4192956
[pid=22432] ppid=22430 vsize=11732 CPUtime=0.05
/proc/22432/stat : 22432 (bsolo_pb10) R 22430 22432 21767 0 -1 4202496 636 0 0 0 5 0 0 0 23 0 1 0 16639138 12013568 498 1992294400 134512640 137138936 4287974384 18446744073709551615 136570369 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/22432/statm: 2933 498 185 642 0 2289 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 11732

[startup+0.100883 s]
/proc/loadavg: 0.94 0.98 0.99 3/106 22432
/proc/meminfo: memFree=1706888/2059040 swapFree=4158992/4192956
[pid=22432] ppid=22430 vsize=11732 CPUtime=0.09
/proc/22432/stat : 22432 (bsolo_pb10) R 22430 22432 21767 0 -1 4202496 636 0 0 0 9 0 0 0 23 0 1 0 16639138 12013568 498 1992294400 134512640 137138936 4287974384 18446744073709551615 134532597 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/22432/statm: 2933 498 185 642 0 2289 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11732

[startup+0.300907 s]
/proc/loadavg: 0.94 0.98 0.99 3/106 22432
/proc/meminfo: memFree=1706888/2059040 swapFree=4158992/4192956
[pid=22432] ppid=22430 vsize=11732 CPUtime=0.29
/proc/22432/stat : 22432 (bsolo_pb10) R 22430 22432 21767 0 -1 4202496 636 0 0 0 29 0 0 0 23 0 1 0 16639138 12013568 498 1992294400 134512640 137138936 4287974384 18446744073709551615 134532597 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/22432/statm: 2933 498 185 642 0 2289 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11732

[startup+0.700952 s]
/proc/loadavg: 0.94 0.98 0.99 3/106 22432
/proc/meminfo: memFree=1706888/2059040 swapFree=4158992/4192956
[pid=22432] ppid=22430 vsize=11800 CPUtime=0.69
/proc/22432/stat : 22432 (bsolo_pb10) R 22430 22432 21767 0 -1 4202496 968 0 0 0 69 0 0 0 25 0 1 0 16639138 12083200 552 1992294400 134512640 137138936 4287974384 18446744073709551615 136504626 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/22432/statm: 2950 552 218 642 0 2306 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 11800

[startup+1.50104 s]
/proc/loadavg: 0.94 0.98 0.99 2/107 22433
/proc/meminfo: memFree=1704276/2059040 swapFree=4158992/4192956
[pid=22432] ppid=22430 vsize=14160 CPUtime=1.49
/proc/22432/stat : 22432 (bsolo_pb10) R 22430 22432 21767 0 -1 4202496 19204 0 0 0 140 9 0 0 25 0 1 0 16639138 14499840 819 1992294400 134512640 137138936 4287974384 18446744073709551615 135332377 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/22432/statm: 3540 831 287 642 0 2896 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14160

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

[startup+1.90109 s]
/proc/loadavg: 0.94 0.98 0.99 2/107 22433
/proc/meminfo: memFree=1704276/2059040 swapFree=4158992/4192956
[pid=22432] ppid=22430 vsize=14744 CPUtime=1.89
/proc/22432/stat : 22432 (bsolo_pb10) R 22430 22432 21767 0 -1 4202496 23492 0 0 0 179 10 0 0 25 0 1 0 16639138 15097856 1005 1992294400 134512640 137138936 4287974384 18446744073709551615 135443906 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/22432/statm: 3686 1005 288 642 0 3042 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 14744

Child status: 0
Real time (s): 1.94183
CPU time (s): 1.9417
CPU user time (s): 1.83172
CPU system time (s): 0.109983
CPU usage (%): 99.9934
Max. virtual memory (cumulated for all children) (KiB): 14744

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.83172
system time used= 0.109983
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 23572
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= 1
involuntary context switches= 8

runsolver used 0.007998 second user time and 0.012998 second system time

The end

Launcher Data 

Begin job on node006 at 2010-06-13 08:25:55
IDJOB=2657029
IDBENCH=2045
IDSOLVER=1162
FILE ID=node006/2657029-1276410355
PBS_JOBID= 11173276
Free space on /tmp= 62472 MiB

SOLVER NAME= bsolo 3.2 Card
BENCH NAME= PB06//final/normalized-PB06/OPT-SMALLINT/submitted-PB05/manquinho/logic-synthesis/normalized-jac3.opb
COMMAND LINE= bsolo_pb10 -tTIMEOUT -l2 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2657029-1276410355/watcher-2657029-1276410355 -o /tmp/evaluation-result-2657029-1276410355/solver-2657029-1276410355 -C 1800 -W 2000 -M 1800  bsolo_pb10 -t1800 -l2 HOME/instance-2657029-1276410355.opb

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

MD5SUM BENCH= 05a03b946ede4da21fcf30fd621632f5
RANDOM SEED=1888149374

node006.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	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.204
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.40
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		: 3000.204
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.45
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1707416 kB
Buffers:         93360 kB
Cached:         161688 kB
SwapCached:       2232 kB
Active:         134676 kB
Inactive:       148712 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1707416 kB
SwapTotal:     4192956 kB
SwapFree:      4158992 kB
Dirty:            4440 kB
Writeback:           8 kB
AnonPages:       26136 kB
Mapped:          13960 kB
Slab:            46592 kB
PageTables:       3920 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182224 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62468 MiB
End job on node006 at 2010-06-13 08:25:57