Trace number 2671274

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 1.57576 1.57631

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_50_25_3_5.opb
MD5SUM9d9faeaf67c6c51fc2250ec9c55dd72f
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 benchmark0.438932
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)2952
Sum of products size (including duplicates)5904
Number of different products1476
Sum of products size2952

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-2671274-1276722323.opb
0.00/0.00	c File size is 118616 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
0.00/0.02	c Var: 1576 Constr: 3105 1526/103/1476 Lit: 12158 Watch. Lit: 10540
0.00/0.02	c Obj. Vars: 0 (0 % of total variables)
1.39/1.44	c Pre-processing Time: 1.442 s
1.39/1.44	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.39/1.44	c        0   1576     3105    12158    3    10540   39847      0      0 1.44
1.39/1.44	c Switching off lower bounding mode.
1.49/1.57	c      101   1576     3207    12972    4    10748   43832    102     69 1.46
1.49/1.57	c      251   1576     3368    16185    4    11071   48216    263    169 1.49
1.49/1.57	c      476   1576     3619    28158    7    11579   53038    514    310 1.53
1.49/1.57	c Backtracks by Clause: 706
1.49/1.57	c Backtracks by PB constraint: 1
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1.49/1.57	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
1.49/1.57	c    3      707    396     4134     3855    33664    750    449 1.57
1.49/1.57	s SATISFIABLE
1.49/1.57	c Total time: 1.574 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-2671274-1276722323/watcher-2671274-1276722323 -o /tmp/evaluation-result-2671274-1276722323/solver-2671274-1276722323 -C 1800 -W 2000 -M 1800 bsolo_pb10 -t1800 -l2 HOME/instance-2671274-1276722323.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: 1.07 1.06 1.00 3/106 15411
/proc/meminfo: memFree=1845240/2059040 swapFree=4136756/4192956
[pid=15411] ppid=15409 vsize=10908 CPUtime=0
/proc/15411/stat : 15411 (bsolo_pb10) R 15409 15411 14872 0 -1 4202496 338 0 0 0 0 0 0 0 20 0 1 0 47833871 11169792 256 1992294400 134512640 137138936 4294535120 18446744073709551615 136577166 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/15411/statm: 2727 256 175 642 0 2054 0

[startup+0.0804649 s]
/proc/loadavg: 1.07 1.06 1.00 3/106 15411
/proc/meminfo: memFree=1845240/2059040 swapFree=4136756/4192956
[pid=15411] ppid=15409 vsize=11600 CPUtime=0.07
/proc/15411/stat : 15411 (bsolo_pb10) R 15409 15411 14872 0 -1 4202496 565 0 0 0 7 0 0 0 20 0 1 0 47833871 11878400 454 1992294400 134512640 137138936 4294535120 18446744073709551615 136296985 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/15411/statm: 2900 454 184 642 0 2256 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 11600

[startup+0.100469 s]
/proc/loadavg: 1.07 1.06 1.00 3/106 15411
/proc/meminfo: memFree=1845240/2059040 swapFree=4136756/4192956
[pid=15411] ppid=15409 vsize=11600 CPUtime=0.09
/proc/15411/stat : 15411 (bsolo_pb10) R 15409 15411 14872 0 -1 4202496 565 0 0 0 9 0 0 0 20 0 1 0 47833871 11878400 454 1992294400 134512640 137138936 4294535120 18446744073709551615 136501668 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/15411/statm: 2900 454 184 642 0 2256 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11600

[startup+0.300504 s]
/proc/loadavg: 1.07 1.06 1.00 3/106 15411
/proc/meminfo: memFree=1845240/2059040 swapFree=4136756/4192956
[pid=15411] ppid=15409 vsize=11600 CPUtime=0.29
/proc/15411/stat : 15411 (bsolo_pb10) R 15409 15411 14872 0 -1 4202496 566 0 0 0 29 0 0 0 20 0 1 0 47833871 11878400 455 1992294400 134512640 137138936 4294535120 18446744073709551615 136504438 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/15411/statm: 2900 455 184 642 0 2256 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11600

[startup+0.700576 s]
/proc/loadavg: 1.07 1.06 1.00 3/106 15411
/proc/meminfo: memFree=1845240/2059040 swapFree=4136756/4192956
[pid=15411] ppid=15409 vsize=11600 CPUtime=0.69
/proc/15411/stat : 15411 (bsolo_pb10) R 15409 15411 14872 0 -1 4202496 566 0 0 0 69 0 0 0 21 0 1 0 47833871 11878400 455 1992294400 134512640 137138936 4294535120 18446744073709551615 134566342 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/15411/statm: 2900 455 184 642 0 2256 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 11600

[startup+1.50072 s]
/proc/loadavg: 1.07 1.06 1.00 2/107 15412
/proc/meminfo: memFree=1844240/2059040 swapFree=4136756/4192956
[pid=15411] ppid=15409 vsize=11732 CPUtime=1.49
/proc/15411/stat : 15411 (bsolo_pb10) R 15409 15411 14872 0 -1 4202496 611 0 0 0 149 0 0 0 23 0 1 0 47833871 12013568 500 1992294400 134512640 137138936 4294535120 18446744073709551615 136504837 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/15411/statm: 2933 500 192 642 0 2289 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 11732

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

Child status: 0
Real time (s): 1.57631
CPU time (s): 1.57576
CPU user time (s): 1.56576
CPU system time (s): 0.009998
CPU usage (%): 99.9649
Max. virtual memory (cumulated for all children) (KiB): 11732

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.56576
system time used= 0.009998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 663
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= 20

runsolver used 0.006998 second user time and 0.013997 second system time

The end

Launcher Data

Begin job on node012 at 2010-06-16 23:05:23
IDJOB=2671274
IDBENCH=48330
IDSOLVER=1162
FILE ID=node012/2671274-1276722323
PBS_JOBID= 11174158
Free space on /tmp= 62588 MiB

SOLVER NAME= bsolo 3.2 Card
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_50_25_3_5.opb
COMMAND LINE= bsolo_pb10 -tTIMEOUT -l2 BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2671274-1276722323/watcher-2671274-1276722323 -o /tmp/evaluation-result-2671274-1276722323/solver-2671274-1276722323 -C 1800 -W 2000 -M 1800  bsolo_pb10 -t1800 -l2 HOME/instance-2671274-1276722323.opb

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

MD5SUM BENCH= 9d9faeaf67c6c51fc2250ec9c55dd72f
RANDOM SEED=1658039762

node012.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		: 3000.258
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	: 6000.51
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		: 3000.258
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:       1846016 kB
Buffers:         21028 kB
Cached:         100612 kB
SwapCached:       9512 kB
Active:          88556 kB
Inactive:        46312 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1846016 kB
SwapTotal:     4192956 kB
SwapFree:      4136756 kB
Dirty:            4160 kB
Writeback:           0 kB
AnonPages:       11744 kB
Mapped:           9416 kB
Slab:            56360 kB
PageTables:       4084 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181992 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-2671274-1276722323.opb

Free space on /tmp at the end= 62584 MiB
End job on node012 at 2010-06-16 23:05:25