Trace number 2671136

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 NameAnswerCPU timeWall clock time
bsolo 3.2 CardSAT 1.56576 1.56558

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_50_25_2_5.opb
MD5SUM5aa99d3bea2fcdaee6df743981593687
Bench CategoryDEC-SMALLINT-NLC (no optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.077987
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables100
Total number of constraints152
Number of constraints which are clauses50
Number of constraints which are cardinality constraints (but not clauses)1
Number of constraints which are nor clauses,nor cardinality constraints101
Minimum length of a constraint2
Maximum length of a constraint100
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 5
Number of bits of the biggest number in a constraint 3
Biggest sum of numbers in a constraint 100
Number of bits of the biggest sum of numbers7
Number of products (including duplicates)2960
Sum of products size (including duplicates)5920
Number of different products1480
Sum of products size2960

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-2671136-1276720203.opb
0.00/0.00	c File size is 118924 bytes.
0.00/0.02	c Highest Coefficient sum: 100
0.00/0.02	c Parsing was ok!!
0.00/0.02	c Total parsing time: 0.021 s
0.02/0.02	c Var: 1580 Constr: 3113 1530/103/1480 Lit: 12190 Watch. Lit: 10568
0.02/0.02	c Obj. Vars: 0 (0 % of total variables)
1.39/1.44	c Pre-processing Time: 1.445 s
1.39/1.44	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.39/1.44	c        0   1580     3113    12190    3    10568   40122      0      0 1.45
1.39/1.44	c Switching off lower bounding mode.
1.49/1.56	c      100   1580     3214    12723    3    10774   44135    101     68 1.47
1.49/1.56	c      251   1580     3379    17369    5    11107   48549    266    168 1.49
1.49/1.56	c      480   1580     3637    28938    7    11747   53404    524    313 1.53
1.49/1.56	c Backtracks by Clause: 642
1.49/1.56	c Backtracks by PB constraint: 1
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1.49/1.56	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
1.49/1.56	c    3      643    381     4360     3805    32027    692    411 1.56
1.49/1.56	s SATISFIABLE
1.49/1.56	c Total time: 1.563 s

Verifier Data 

OK	0

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2671136-1276720203/watcher-2671136-1276720203 -o /tmp/evaluation-result-2671136-1276720203/solver-2671136-1276720203 -C 1800 -W 2000 -M 1800 bsolo_pb10 -t1800 -l2 HOME/instance-2671136-1276720203.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: 1.15 1.18 1.10 3/106 18915
/proc/meminfo: memFree=1802788/2059040 swapFree=4140088/4192956
[pid=18915] ppid=18913 vsize=10916 CPUtime=0
/proc/18915/stat : 18915 (bsolo_pb10) R 18913 18915 18472 0 -1 4202496 338 0 0 0 0 0 0 0 18 0 1 0 13313086 11177984 256 1992294400 134512640 137138936 4288961472 18446744073709551615 136577166 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/18915/statm: 2729 257 175 642 0 2055 0

[startup+0.0243951 s]
/proc/loadavg: 1.15 1.18 1.10 3/106 18915
/proc/meminfo: memFree=1802788/2059040 swapFree=4140088/4192956
[pid=18915] ppid=18913 vsize=11468 CPUtime=0.02
/proc/18915/stat : 18915 (bsolo_pb10) R 18913 18915 18472 0 -1 4202496 538 0 0 0 2 0 0 0 18 0 1 0 13313086 11743232 426 1992294400 134512640 137138936 4288961472 18446744073709551615 136506715 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/18915/statm: 2867 428 182 642 0 2223 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 11468

[startup+0.101403 s]
/proc/loadavg: 1.15 1.18 1.10 3/106 18915
/proc/meminfo: memFree=1802788/2059040 swapFree=4140088/4192956
[pid=18915] ppid=18913 vsize=11604 CPUtime=0.09
/proc/18915/stat : 18915 (bsolo_pb10) R 18913 18915 18472 0 -1 4202496 567 0 0 0 9 0 0 0 21 0 1 0 13313086 11882496 455 1992294400 134512640 137138936 4288961472 18446744073709551615 136504045 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/18915/statm: 2901 455 184 642 0 2257 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11604

[startup+0.301425 s]
/proc/loadavg: 1.15 1.18 1.10 3/106 18915
/proc/meminfo: memFree=1802788/2059040 swapFree=4140088/4192956
[pid=18915] ppid=18913 vsize=11604 CPUtime=0.29
/proc/18915/stat : 18915 (bsolo_pb10) R 18913 18915 18472 0 -1 4202496 568 0 0 0 29 0 0 0 21 0 1 0 13313086 11882496 456 1992294400 134512640 137138936 4288961472 18446744073709551615 136504147 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/18915/statm: 2901 456 184 642 0 2257 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11604

[startup+0.701468 s]
/proc/loadavg: 1.15 1.18 1.10 3/106 18915
/proc/meminfo: memFree=1802788/2059040 swapFree=4140088/4192956
[pid=18915] ppid=18913 vsize=11604 CPUtime=0.69
/proc/18915/stat : 18915 (bsolo_pb10) R 18913 18915 18472 0 -1 4202496 568 0 0 0 69 0 0 0 22 0 1 0 13313086 11882496 456 1992294400 134512640 137138936 4288961472 18446744073709551615 136505228 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/18915/statm: 2901 456 184 642 0 2257 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 11604

[startup+1.50156 s]
/proc/loadavg: 1.15 1.18 1.10 2/107 18916
/proc/meminfo: memFree=1802036/2059040 swapFree=4140088/4192956
[pid=18915] ppid=18913 vsize=11736 CPUtime=1.49
/proc/18915/stat : 18915 (bsolo_pb10) R 18913 18915 18472 0 -1 4202496 613 0 0 0 149 0 0 0 25 0 1 0 13313086 12017664 501 1992294400 134512640 137138936 4288961472 18446744073709551615 136570369 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/18915/statm: 2934 501 192 642 0 2290 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 11736

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

Child status: 0
Real time (s): 1.56558
CPU time (s): 1.56576
CPU user time (s): 1.55276
CPU system time (s): 0.012998
CPU usage (%): 100.012
Max. virtual memory (cumulated for all children) (KiB): 11736

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.55276
system time used= 0.012998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 659
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= 4

runsolver used 0.006998 second user time and 0.012998 second system time

The end

Launcher Data 

Begin job on node038 at 2010-06-16 22:30:03
IDJOB=2671136
IDBENCH=48284
IDSOLVER=1162
FILE ID=node038/2671136-1276720203
PBS_JOBID= 11174137
Free space on /tmp= 62476 MiB

SOLVER NAME= bsolo 3.2 Card
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_50_25_2_5.opb
COMMAND LINE= bsolo_pb10 -tTIMEOUT -l2 BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2671136-1276720203/watcher-2671136-1276720203 -o /tmp/evaluation-result-2671136-1276720203/solver-2671136-1276720203 -C 1800 -W 2000 -M 1800  bsolo_pb10 -t1800 -l2 HOME/instance-2671136-1276720203.opb

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

MD5SUM BENCH= 5aa99d3bea2fcdaee6df743981593687
RANDOM SEED=814959451

node038.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		: 3000.222
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	: 6000.44
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		: 3000.222
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	: 5599.46
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1803820 kB
Buffers:         29004 kB
Cached:         135432 kB
SwapCached:       6024 kB
Active:          75608 kB
Inactive:       101524 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1803820 kB
SwapTotal:     4192956 kB
SwapFree:      4140088 kB
Dirty:            3936 kB
Writeback:           8 kB
AnonPages:       10896 kB
Mapped:          12976 kB
Slab:            56304 kB
PageTables:       3968 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181808 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-2671136-1276720203.opb

Free space on /tmp at the end= 62472 MiB
End job on node038 at 2010-06-16 22:30:05