Trace number 1879018

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 NameAnswerobjCPU timeWall clock time
bsolo 3.1 clOPT15 1.92271 1.92362

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB05/
manquinho/logic-synthesis/normalized-jac3.opb
MD5SUM05a03b946ede4da21fcf30fd621632f5
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark15
Best CPU time to get the best result obtained on this benchmark0.527919
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 15
Optimality of the best value was proved YES
Number of variables1731
Total number of constraints1254
Number of constraints which are clauses1254
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 constraint2
Maximum length of a constraint694
Number of terms in the objective function 1731
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 1731
Number of bits of the sum of numbers in the objective function 11
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 1731
Number of bits of the biggest sum of numbers11
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 

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: Clause 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-1879018-1245148688.opb
0.00/0.00	c File size is 227411 bytes.
0.01/0.03	c Highest Coefficient sum: 1731
0.01/0.03	c Parsing was ok!!
0.01/0.03	c Total parsing time: 0.031 s
0.01/0.03	c Var: 1731 Constr: 1254 1254/0/0 Lit: 24011 Watch. Lit: 2508
0.01/0.03	c Obj. Vars: 1731 (100 % of total variables)
0.59/0.64	c Formula reductions applied at preprocessing
0.59/0.64	c Pre-processing Time: 0.647 s
0.69/0.75	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.69/0.75	c        0   1280      935    20288   21     1870     311      0      0 0.65
0.69/0.75	c Initial Lower Bound: 15
0.69/0.75	c Initial Path Cost: 0
0.69/0.76	o 25
1.69/1.74	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.69/1.74	c        1   1280      937    21614   23     3129    1311      2      1 0.76
1.69/1.74	o 15
1.89/1.92	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.89/1.92	c        1   1280      938    22894   24     4396    1311      3      0 1.74
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1.89/1.92	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
1.89/1.92	c    2        2      3     1261      941    22896      6      1 1.92
1.89/1.92	c Objective: 15
1.89/1.92	s OPTIMUM FOUND
1.89/1.92	c Total time: 1.92 s

Verifier Data 

OK	15

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1879018-1245148688/watcher-1879018-1245148688 -o /tmp/evaluation-result-1879018-1245148688/solver-1879018-1245148688 -C 1800 -W 2000 -M 1800 bsolo -l1 -t1800 -m1800 HOME/instance-1879018-1245148688.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: 0.99 0.97 0.99 3/64 5753
/proc/meminfo: memFree=1860048/2055920 swapFree=4192812/4192956
[pid=5753] ppid=5751 vsize=18768 CPUtime=0
/proc/5753/stat : 5753 (bsolo) R 5751 5753 5567 0 -1 4194304 261 0 0 0 0 0 0 0 18 0 1 0 182465610 19218432 245 1992294400 134512640 137136520 4294956256 18446744073709551615 136668721 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5753/statm: 4692 245 174 640 0 3992 0

[startup+0.013567 s]
/proc/loadavg: 0.99 0.97 0.99 3/64 5753
/proc/meminfo: memFree=1860048/2055920 swapFree=4192812/4192956
[pid=5753] ppid=5751 vsize=11088 CPUtime=0.01
/proc/5753/stat : 5753 (bsolo) R 5751 5753 5567 0 -1 4194304 302 0 0 0 1 0 0 0 18 0 1 0 182465610 11354112 286 1992294400 134512640 137136520 4294956256 18446744073709551615 134517302 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5753/statm: 2772 286 191 640 0 2072 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 11088

[startup+0.101577 s]
/proc/loadavg: 0.99 0.97 0.99 3/64 5753
/proc/meminfo: memFree=1860048/2055920 swapFree=4192812/4192956
[pid=5753] ppid=5751 vsize=11668 CPUtime=0.09
/proc/5753/stat : 5753 (bsolo) R 5751 5753 5567 0 -1 4194304 575 0 0 0 9 0 0 0 18 0 1 0 182465610 11948032 503 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5753/statm: 2917 503 191 640 0 2273 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11668

[startup+0.301598 s]
/proc/loadavg: 0.99 0.97 0.99 3/64 5753
/proc/meminfo: memFree=1860048/2055920 swapFree=4192812/4192956
[pid=5753] ppid=5751 vsize=11668 CPUtime=0.29
/proc/5753/stat : 5753 (bsolo) R 5751 5753 5567 0 -1 4194304 575 0 0 0 29 0 0 0 19 0 1 0 182465610 11948032 503 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5753/statm: 2917 503 191 640 0 2273 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11668

[startup+0.701643 s]
/proc/loadavg: 0.99 0.97 0.99 3/64 5753
/proc/meminfo: memFree=1860048/2055920 swapFree=4192812/4192956
[pid=5753] ppid=5751 vsize=13420 CPUtime=0.69
/proc/5753/stat : 5753 (bsolo) R 5751 5753 5567 0 -1 4194304 3028 0 0 0 68 1 0 0 22 0 1 0 182465610 13742080 812 1992294400 134512640 137136520 4294956256 18446744073709551615 135461513 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5753/statm: 3355 812 283 640 0 2711 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13420

[startup+1.50173 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 5754
/proc/meminfo: memFree=1857928/2055920 swapFree=4192812/4192956
[pid=5753] ppid=5751 vsize=14004 CPUtime=1.49
/proc/5753/stat : 5753 (bsolo) R 5751 5753 5567 0 -1 4194304 19575 0 0 0 143 6 0 0 25 0 1 0 182465610 14340096 811 1992294400 134512640 137136520 4294956256 18446744073709551615 135441641 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5753/statm: 3501 811 292 640 0 2857 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14004

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

[startup+1.90278 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 5754
/proc/meminfo: memFree=1857928/2055920 swapFree=4192812/4192956
[pid=5753] ppid=5751 vsize=14680 CPUtime=1.89
/proc/5753/stat : 5753 (bsolo) R 5751 5753 5567 0 -1 4194304 23477 0 0 0 181 8 0 0 25 0 1 0 182465610 15032320 1056 1992294400 134512640 137136520 4294956256 18446744073709551615 135447705 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5753/statm: 3670 1056 293 640 0 3026 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 14680

Child status: 0
Real time (s): 1.92362
CPU time (s): 1.92271
CPU user time (s): 1.83772
CPU system time (s): 0.084987
CPU usage (%): 99.9527
Max. virtual memory (cumulated for all children) (KiB): 14680

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.83772
system time used= 0.084987
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 23512
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 0.002999 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node42 at 2009-06-16 12:38:08
IDJOB=1879018
IDBENCH=2045
IDSOLVER=700
FILE ID=node42/1879018-1245148688
PBS_JOBID= 9363744
Free space on /tmp= 66148 MiB

SOLVER NAME= bsolo 3.1 cl
BENCH NAME= PB06//final/normalized-PB06/OPT-SMALLINT/submitted-PB05/manquinho/logic-synthesis/normalized-jac3.opb
COMMAND LINE= bsolo -l1 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1879018-1245148688/watcher-1879018-1245148688 -o /tmp/evaluation-result-1879018-1245148688/solver-1879018-1245148688 -C 1800 -W 2000 -M 1800  bsolo -l1 -t1800 -m1800 HOME/instance-1879018-1245148688.opb

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

MD5SUM BENCH= 05a03b946ede4da21fcf30fd621632f5
RANDOM SEED=2011833501

node42.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		: 3000.214
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		: 3000.214
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:       1860464 kB
Buffers:         15560 kB
Cached:         105616 kB
SwapCached:          0 kB
Active:          44596 kB
Inactive:        90528 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1860464 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            4168 kB
Writeback:           0 kB
Mapped:          23760 kB
Slab:            46344 kB
Committed_AS:   161064 kB
PageTables:       1392 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-1879018-1245148688.opb

Free space on /tmp at the end= 66144 MiB
End job on node42 at 2009-06-16 12:38:10