Trace number 366735

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, and are wall clock time (not CPU 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 3.0.16OPT110 0.245961 0.249869

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB06/
manquiho/logic_synthesis/normalized-test1.r.opb
MD5SUM8e6ac0bad8d074da12c63269189a8260
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark110
Best CPU time to get the best result obtained on this benchmark0.25796
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 110
Optimality of the best value was proved YES
Number of variables2091
Total number of constraints362
Number of constraints which are clauses362
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 constraint3
Maximum length of a constraint48
Number of terms in the objective function 2091
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 2091
Number of bits of the sum of numbers in the objective function 12
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 2091
Number of bits of the biggest sum of numbers12
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 (download as text)

0.00/0.00	c bsolo beta version 3.0.16 - 04/04/2007 : 1458 GMT
0.00/0.00	c Developed by Vasco Manquinho 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 Memory Limit set to 1800 MB
0.00/0.00	c Instance file /tmp/evaluation/366735-1177065939/instance-366735-1177065939.opb
0.00/0.00	c File size is 60474 bytes.
0.00/0.01	c Highest Coefficient sum: 2091
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: 2091 Constr: 362 362/0/0 Lit: 4800 Watch. Lit: 724
0.00/0.01	c Obj. Vars: 2091 (100 % of total variables)
0.00/0.03	c Formula reductions applied at preprocessing
0.00/0.03	c Pre-processing Time: 0.032 s
0.08/0.10	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.08/0.10	c        0    581      322     4061   12      644     107      0      0 0.03
0.08/0.10	c Initial Lower Bound: 110
0.08/0.10	c Initial Path Cost: 12
0.08/0.10	o 139	0.103
0.19/0.20	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.19/0.20	c        0    581      323     4642   14     1100    1107      1      0 0.10
0.19/0.20	o 111	0.204 * 
0.19/0.24	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.19/0.24	c        0    581      324     5223   16     1584    2107      2      0 0.20
0.19/0.24	o 110	0.243 * 
0.19/0.24	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.19/0.24	c        0    581      325     5804   17     2069    3107      3      0 0.24
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0.19/0.24	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.19/0.24	c    3        1      2      468      328     5806      6      4 0.24
0.19/0.24	c Objective: 110
0.19/0.24	s OPTIMUM FOUND
0.19/0.24	c Total time: 0.244 s

Verifier Data (download as text)

OK	110

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node24/watcher-366735-1177065939 -o ROOT/results/node24/solver-366735-1177065939 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/366735-1177065939/instance-366735-1177065939.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): 3600 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 20424
/proc/meminfo: memFree=1509128/2055920 swapFree=4142048/4192956
[pid=20424] ppid=20422 vsize=11796 CPUtime=0
/proc/20424/stat : 20424 (bsolo3.0.16) R 20422 20424 19784 0 -1 4194304 368 0 0 0 0 0 0 0 18 0 1 0 154511916 12079104 336 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 3040891 0 0 4096 16384 0 0 0 17 1 0 0
/proc/20424/statm: 2949 336 281 324 0 2003 0

[startup+0.0680379 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 20424
/proc/meminfo: memFree=1509128/2055920 swapFree=4142048/4192956
[pid=20424] ppid=20422 vsize=4980 CPUtime=0.05
/proc/20424/stat : 20424 (bsolo3.0.16) R 20422 20424 19784 0 -1 4194304 692 0 0 0 5 0 0 0 18 0 1 0 154511916 5099520 645 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 135468358 0 0 4096 16384 0 0 0 17 1 0 0
/proc/20424/statm: 1245 645 331 324 0 314 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 4980

[startup+0.101041 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 20424
/proc/meminfo: memFree=1509128/2055920 swapFree=4142048/4192956
[pid=20424] ppid=20422 vsize=6196 CPUtime=0.08
/proc/20424/stat : 20424 (bsolo3.0.16) R 20422 20424 19784 0 -1 4194304 898 0 0 0 8 0 0 0 18 0 1 0 154511916 6344704 846 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 135313596 0 0 4096 16384 0 0 0 17 1 0 0
/proc/20424/statm: 1549 846 388 324 0 618 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 6196

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

[startup+0.201052 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 20424
/proc/meminfo: memFree=1509128/2055920 swapFree=4142048/4192956
[pid=20424] ppid=20422 vsize=6124 CPUtime=0.19
/proc/20424/stat : 20424 (bsolo3.0.16) R 20422 20424 19784 0 -1 4194304 1898 0 0 0 18 1 0 0 18 0 1 0 154511916 6270976 806 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 135313599 0 0 4096 16384 0 0 0 17 1 0 0
/proc/20424/statm: 1531 806 392 324 0 600 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 6124

Child status: 0
Real time (s): 0.249869
CPU time (s): 0.245961
CPU user time (s): 0.231964
CPU system time (s): 0.013997
CPU usage (%): 98.4359
Max. virtual memory (cumulated for all children) (KiB): 6196

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.231964
system time used= 0.013997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2061
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= 12
involuntary context switches= 0

runsolver used 0.003999 second user time and 0.005999 second system time

The end

Launcher Data (download as text)

Begin job on node24 on Fri Apr 20 10:45:39 UTC 2007

IDJOB= 366735
IDBENCH= 2886
IDSOLVER= 163
FILE ID= node24/366735-1177065939

PBS_JOBID= 4640230

Free space on /tmp= 66230 MiB

SOLVER NAME= bsolo 3.0.16
BENCH NAME= HOME/pub/bench/PB06/final/normalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/logic_synthesis/normalized-test1.r.opb
COMMAND LINE= bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/366735-1177065939/instance-366735-1177065939.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node24/watcher-366735-1177065939 -o ROOT/results/node24/solver-366735-1177065939 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/366735-1177065939/instance-366735-1177065939.opb            

META MD5SUM SOLVER= b11bf0769a124f73ad50b0fdfcd50482
MD5SUM BENCH=  8e6ac0bad8d074da12c63269189a8260

RANDOM SEED= 792630538

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node24.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.238
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		: 3000.238
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:       1509536 kB
Buffers:         66428 kB
Cached:         389792 kB
SwapCached:      18964 kB
Active:         173448 kB
Inactive:       310816 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1509536 kB
SwapTotal:     4192956 kB
SwapFree:      4142048 kB
Dirty:            4536 kB
Writeback:           0 kB
Mapped:          33364 kB
Slab:            47616 kB
Committed_AS:  3685500 kB
PageTables:       1808 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66230 MiB

End job on node24 on Fri Apr 20 10:45:39 UTC 2007