Trace number 1879284

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 1.58476 1.58587

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_50_25_1_5.opb
MD5SUMd6d85d35b0f961666d5965433f22c8bb
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 benchmark0.122981
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)2996
Sum of products size (including duplicates)5992
Number of different products1498
Sum of products size2996

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-1879284-1245248419.opb
0.00/0.00	c File size is 120404 bytes.
0.00/0.01	c Highest Coefficient sum: 100
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.017 s
0.00/0.02	c Var: 1598 Constr: 3149 1548/103/1498 Lit: 12334 Watch. Lit: 10694
0.00/0.02	c Obj. Vars: 0 (0 % of total variables)
1.39/1.48	c Pre-processing Time: 1.479 s
1.39/1.48	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.39/1.48	c        0   1598     3149    12334    3    10694   40815      0      0 1.48
1.39/1.48	c Switching off lower bounding mode.
1.49/1.58	c      100   1598     3349    18308    5    14806   44897    200     66 1.50
1.49/1.58	c      254   1598     3657    44930   12    22362   49387    508    162 1.56
1.49/1.58	c Backtracks by Clause: 295
1.49/1.58	c Backtracks by PB constraint: 2
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1.49/1.58	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
1.49/1.58	c    2      297    107     1800     3743    53915    594    187 1.58
1.49/1.58	s SATISFIABLE
1.49/1.58	c Total time: 1.583 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-1879284-1245248419/watcher-1879284-1245248419 -o /tmp/evaluation-result-1879284-1245248419/solver-1879284-1245248419 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1879284-1245248419.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: 1.01 1.02 0.97 3/64 5074
/proc/meminfo: memFree=1852080/2055920 swapFree=4181964/4192956
[pid=5074] ppid=5072 vsize=18640 CPUtime=0
/proc/5074/stat : 5074 (bsolo) R 5072 5074 4436 0 -1 4194304 253 0 0 0 0 0 0 0 18 0 1 0 192442908 19087360 237 1992294400 134512640 137136520 4294956256 18446744073709551615 136575102 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5074/statm: 4660 237 174 640 0 3986 0

[startup+0.087863 s]
/proc/loadavg: 1.01 1.02 0.97 3/64 5074
/proc/meminfo: memFree=1852080/2055920 swapFree=4181964/4192956
[pid=5074] ppid=5072 vsize=11532 CPUtime=0.08
/proc/5074/stat : 5074 (bsolo) R 5072 5074 4436 0 -1 4194304 506 0 0 0 8 0 0 0 18 0 1 0 192442908 11808768 460 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5074/statm: 2883 460 189 640 0 2239 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 11532

[startup+0.101864 s]
/proc/loadavg: 1.01 1.02 0.97 3/64 5074
/proc/meminfo: memFree=1852080/2055920 swapFree=4181964/4192956
[pid=5074] ppid=5072 vsize=11532 CPUtime=0.09
/proc/5074/stat : 5074 (bsolo) R 5072 5074 4436 0 -1 4194304 506 0 0 0 9 0 0 0 18 0 1 0 192442908 11808768 460 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5074/statm: 2883 460 189 640 0 2239 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11532

[startup+0.30188 s]
/proc/loadavg: 1.01 1.02 0.97 3/64 5074
/proc/meminfo: memFree=1852080/2055920 swapFree=4181964/4192956
[pid=5074] ppid=5072 vsize=11532 CPUtime=0.29
/proc/5074/stat : 5074 (bsolo) R 5072 5074 4436 0 -1 4194304 507 0 0 0 29 0 0 0 19 0 1 0 192442908 11808768 461 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5074/statm: 2883 461 189 640 0 2239 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11532

[startup+0.701912 s]
/proc/loadavg: 1.01 1.02 0.97 3/64 5074
/proc/meminfo: memFree=1852080/2055920 swapFree=4181964/4192956
[pid=5074] ppid=5072 vsize=11532 CPUtime=0.69
/proc/5074/stat : 5074 (bsolo) R 5072 5074 4436 0 -1 4194304 507 0 0 0 69 0 0 0 22 0 1 0 192442908 11808768 461 1992294400 134512640 137136520 4294956256 18446744073709551615 135982505 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5074/statm: 2883 461 189 640 0 2239 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 11532

[startup+1.50198 s]
/proc/loadavg: 1.01 1.02 0.97 2/65 5075
/proc/meminfo: memFree=1850920/2055920 swapFree=4181964/4192956
[pid=5074] ppid=5072 vsize=11664 CPUtime=1.49
/proc/5074/stat : 5074 (bsolo) R 5072 5074 4436 0 -1 4194304 555 0 0 0 149 0 0 0 25 0 1 0 192442908 11943936 509 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5074/statm: 2916 509 197 640 0 2272 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 11664

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

Child status: 0
Real time (s): 1.58587
CPU time (s): 1.58476
CPU user time (s): 1.57976
CPU system time (s): 0.004999
CPU usage (%): 99.9297
Max. virtual memory (cumulated for all children) (KiB): 11664

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.57976
system time used= 0.004999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 740
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 0.002999 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node3 at 2009-06-17 16:20:19
IDJOB=1879284
IDBENCH=48339
IDSOLVER=701
FILE ID=node3/1879284-1245248419
PBS_JOBID= 9372333
Free space on /tmp= 66292 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_50_25_1_5.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1879284-1245248419/watcher-1879284-1245248419 -o /tmp/evaluation-result-1879284-1245248419/solver-1879284-1245248419 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1879284-1245248419.opb

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

MD5SUM BENCH= d6d85d35b0f961666d5965433f22c8bb
RANDOM SEED=1042385634

node3.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		: 3000.236
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		: 3000.236
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:       1852624 kB
Buffers:         11584 kB
Cached:         119704 kB
SwapCached:       4984 kB
Active:          19280 kB
Inactive:       120144 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1852624 kB
SwapTotal:     4192956 kB
SwapFree:      4181964 kB
Dirty:            3976 kB
Writeback:           0 kB
Mapped:          14284 kB
Slab:            49936 kB
Committed_AS:   182456 kB
PageTables:       1376 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-1879284-1245248419.opb

Free space on /tmp at the end= 66288 MiB
End job on node3 at 2009-06-17 16:20:21