Trace number 366217

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 3.0.16OPT5 0.023995 0.0256491

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB06/
manquiho/logic_synthesis/normalized-opus.r.opb
MD5SUM0485a54e08821af6e5a7651e5ae0ba80
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark5
Best CPU time to get the best result obtained on this benchmark0.014996
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 5
Optimality of the best value was proved YES
Number of variables63
Total number of constraints45
Number of constraints which are clauses45
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 constraint1
Maximum length of a constraint42
Number of terms in the objective function 63
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 63
Number of bits of the sum of numbers in the objective function 6
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 63
Number of bits of the biggest sum of numbers6
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/366217-1177058431/instance-366217-1177058431.opb
0.00/0.00	c File size is 9579 bytes.
0.00/0.00	c Highest Coefficient sum: 63
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0.001 s
0.00/0.00	c Var: 63 Constr: 45 45/0/0 Lit: 1264 Watch. Lit: 89
0.00/0.00	c Obj. Vars: 63 (100 % of total variables)
0.00/0.00	c Formula reductions applied at preprocessing
0.00/0.00	c Pre-processing Time: 0.003 s
0.00/0.00	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.00	c        0     58       26      708   27       52       8      0      0 0.00
0.00/0.00	c Initial Lower Bound: 5
0.00/0.00	c Initial Path Cost: 2
0.00/0.01	o 6	0.005
0.00/0.02	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.02	c        0     58       27      766   28      108    1008      1      0 0.01
0.00/0.02	o 5	0.019 * 
0.00/0.02	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.02	c        1     58       30      862   28      169    1008      4     52 0.02
0.00/0.02	v -x1 -x2 -x3 -x4 -x5 -x6 -x7 -x8 -x9 -x10 -x11 -x12 -x13 -x14 -x15 x16 -x17 -x18 -x19 -x20 -x21 -x22 -x23 -x24 -x25 -x26 -x27 -x28
0.00/0.02	v -x29 -x30 -x31 -x32 -x33 -x34 -x35 -x36 -x37 -x38 x39 -x40 -x41 -x42 -x43 -x44 -x45 -x46 -x47 -x48 -x49 -x50 x51 -x52 -x53 -x54
0.00/0.02	v -x55 -x56 x57 -x58 x59 -x60 -x61 -x62 -x63
0.00/0.02	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.00/0.02	c    2        2      0       85       33      864      7    105 0.02
0.00/0.02	c Objective: 5
0.00/0.02	s OPTIMUM FOUND
0.00/0.02	c Total time: 0.019 s

Verifier Data (download as text)

OK	5

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node2/watcher-366217-1177058431 -o ROOT/results/node2/solver-366217-1177058431 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/366217-1177058431/instance-366217-1177058431.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 30399
/proc/meminfo: memFree=1759416/2055920 swapFree=4149072/4192956
[pid=30399] ppid=30397 vsize=19560 CPUtime=0
/proc/30399/stat : 30399 (bsolo3.0.16) R 30397 30399 30041 0 -1 4194304 366 0 0 0 0 0 0 0 18 0 1 0 181880942 20029440 334 18446744073709551615 134512640 135841103 4294956672 18446744073709551615 10970747 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30399/statm: 4890 334 281 324 0 3956 0

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

Child status: 0
Real time (s): 0.0256491
CPU time (s): 0.023995
CPU user time (s): 0.016997
CPU system time (s): 0.006998
CPU usage (%): 93.551
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.016997
system time used= 0.006998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1095
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 0.002999 second user time and 0.005999 second system time

The end

Launcher Data (download as text)

Begin job on node2 on Fri Apr 20 08:40:32 UTC 2007

IDJOB= 366217
IDBENCH= 2840
IDSOLVER= 163
FILE ID= node2/366217-1177058431

PBS_JOBID= 4640203

Free space on /tmp= 66397 MiB

SOLVER NAME= bsolo 3.0.16
BENCH NAME= HOME/pub/bench/PB06/final/normalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/logic_synthesis/normalized-opus.r.opb
COMMAND LINE= bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/366217-1177058431/instance-366217-1177058431.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node2/watcher-366217-1177058431 -o ROOT/results/node2/solver-366217-1177058431 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/366217-1177058431/instance-366217-1177058431.opb            

META MD5SUM SOLVER= b11bf0769a124f73ad50b0fdfcd50482
MD5SUM BENCH=  0485a54e08821af6e5a7651e5ae0ba80

RANDOM SEED= 525553518

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node2.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		: 3000.234
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:       1760016 kB
Buffers:         70256 kB
Cached:         147208 kB
SwapCached:      12240 kB
Active:         130520 kB
Inactive:       112176 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1760016 kB
SwapTotal:     4192956 kB
SwapFree:      4149072 kB
Dirty:            4412 kB
Writeback:           0 kB
Mapped:          30196 kB
Slab:            38656 kB
Committed_AS:  8182400 kB
PageTables:       1860 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= 66397 MiB

End job on node2 on Fri Apr 20 08:40:32 UTC 2007