Trace number 1879235

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 3.1 pbSAT 0.314951 0.314565

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_100_10_3_15.opb
MD5SUMa83a124b727fa475751dec9ebe86c153
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 benchmark0.06299
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables200
Total number of constraints302
Number of constraints which are clauses100
Number of constraints which are cardinality constraints (but not clauses)1
Number of constraints which are nor clauses,nor cardinality constraints201
Minimum length of a constraint2
Maximum length of a constraint200
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 15
Number of bits of the biggest number in a constraint 4
Biggest sum of numbers in a constraint 200
Number of bits of the biggest sum of numbers8
Number of products (including duplicates)2488
Sum of products size (including duplicates)4976
Number of different products1244
Sum of products size2488

Solver Data

0.00/0.00	c bsolo beta version 3.1 - 13/04/2009 : 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: Generic Pseudo-Boolean Learning
0.00/0.00	c Time Limit set to 1800
0.00/0.00	c Memory Limit set to 1800 MB
0.00/0.00	c Instance file HOME/instance-1879235-1245247886.opb
0.00/0.00	c File size is 106308 bytes.
0.00/0.01	c Highest Coefficient sum: 200
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.013 s
0.00/0.01	c Var: 1444 Constr: 2791 1344/203/1244 Lit: 10652 Watch. Lit: 9126
0.00/0.01	c Obj. Vars: 0 (0 % of total variables)
0.19/0.28	c Pre-processing Time: 0.283 s
0.19/0.28	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.19/0.28	c        0   1444     2791    10652    3     9126   20216      0      0 0.28
0.19/0.28	c Switching off lower bounding mode.
0.29/0.31	c Backtracks by Clause: 82
0.29/0.31	c Backtracks by PB constraint: 1
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0.29/0.31	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.29/0.31	c    0       83     29     1361     2957    22690    166    266 0.31
0.29/0.31	s SATISFIABLE
0.29/0.31	c Total time: 0.312 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-1879235-1245247886/watcher-1879235-1245247886 -o /tmp/evaluation-result-1879235-1245247886/solver-1879235-1245247886 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1879235-1245247886.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: 1.00 1.00 0.93 3/64 16430
/proc/meminfo: memFree=1808640/2055920 swapFree=4182476/4192956
[pid=16430] ppid=16428 vsize=10816 CPUtime=0
/proc/16430/stat : 16430 (bsolo) R 16428 16430 15855 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 77491454 11075584 242 1992294400 134512640 137136520 4294956256 18446744073709551615 136575102 0 0 4096 16384 0 0 0 17 0 0 0
/proc/16430/statm: 2704 242 175 640 0 2034 0

[startup+0.0276541 s]
/proc/loadavg: 1.00 1.00 0.93 3/64 16430
/proc/meminfo: memFree=1808640/2055920 swapFree=4182476/4192956
[pid=16430] ppid=16428 vsize=11404 CPUtime=0.02
/proc/16430/stat : 16430 (bsolo) R 16428 16430 15855 0 -1 4194304 460 0 0 0 2 0 0 0 18 0 1 0 77491454 11677696 418 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/16430/statm: 2851 418 189 640 0 2207 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 11404

[startup+0.101662 s]
/proc/loadavg: 1.00 1.00 0.93 3/64 16430
/proc/meminfo: memFree=1808640/2055920 swapFree=4182476/4192956
[pid=16430] ppid=16428 vsize=11404 CPUtime=0.09
/proc/16430/stat : 16430 (bsolo) R 16428 16430 15855 0 -1 4194304 460 0 0 0 9 0 0 0 18 0 1 0 77491454 11677696 418 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/16430/statm: 2851 418 189 640 0 2207 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11404

[startup+0.301684 s]
/proc/loadavg: 1.00 1.00 0.93 3/64 16430
/proc/meminfo: memFree=1808640/2055920 swapFree=4182476/4192956
[pid=16430] ppid=16428 vsize=11536 CPUtime=0.29
/proc/16430/stat : 16430 (bsolo) R 16428 16430 15855 0 -1 4194304 514 0 0 0 29 0 0 0 19 0 1 0 77491454 11812864 472 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/16430/statm: 2884 473 197 640 0 2240 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11536

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

Child status: 0
Real time (s): 0.314565
CPU time (s): 0.314951
CPU user time (s): 0.306953
CPU system time (s): 0.007998
CPU usage (%): 100.123
Max. virtual memory (cumulated for all children) (KiB): 11536

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.306953
system time used= 0.007998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 549
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= 3

runsolver used 0.001999 second user time and 0.005999 second system time

The end

Launcher Data

Begin job on node20 at 2009-06-17 16:11:26
IDJOB=1879235
IDBENCH=48290
IDSOLVER=701
FILE ID=node20/1879235-1245247886
PBS_JOBID= 9372318
Free space on /tmp= 66316 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_100_10_3_15.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1879235-1245247886/watcher-1879235-1245247886 -o /tmp/evaluation-result-1879235-1245247886/solver-1879235-1245247886 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1879235-1245247886.opb

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

MD5SUM BENCH= a83a124b727fa475751dec9ebe86c153
RANDOM SEED=1028265808

node20.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.234
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
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		: 3000.234
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1809256 kB
Buffers:         34508 kB
Cached:         135740 kB
SwapCached:       4716 kB
Active:          64352 kB
Inactive:       113732 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1809256 kB
SwapTotal:     4192956 kB
SwapFree:      4182476 kB
Dirty:            3976 kB
Writeback:           0 kB
Mapped:          13832 kB
Slab:            54628 kB
Committed_AS:   163340 kB
PageTables:       1404 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1879235-1245247886.opb

Free space on /tmp at the end= 66312 MiB
End job on node20 at 2009-06-17 16:11:27