Trace number 1877756

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 3.1OPT110 1.41678 1.41535

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 benchmark0.285955
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 

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: Cardinality Constraint 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-1877756-1245173291.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: 0.009 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: 0.029 s
0.09/0.11	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.11	c        0    581      322     4061   12      644     107      0      0 0.03
0.09/0.11	c Initial Lower Bound: 110
0.09/0.11	c Initial Path Cost: 12
0.09/0.11	o 139
0.29/0.31	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.29/0.31	c        0    581      323     4642   14     1100    1107      1      0 0.11
0.29/0.31	o 114
0.49/0.54	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.49/0.54	c        0    581      324     5223   16     1581    2107      2      0 0.32
0.49/0.54	o 113
0.99/1.06	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.99/1.06	c        1    581      328     5939   18     2069    2107      6      1 0.54
0.99/1.06	o 112
1.19/1.20	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.19/1.20	c       14    581      364     8424   23     2622    2107     42     13 1.06
1.19/1.20	o 111
1.29/1.38	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.29/1.38	c       16    581      370     9084   24     3116    2107     48     13 1.21
1.29/1.38	o 110
1.39/1.41	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.39/1.41	c       22    580      386     9840   25     3630    2107     64     15 1.39
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1.39/1.41	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
1.39/1.41	c    6       23      2      699      389     9843     67     16 1.41
1.39/1.41	c Objective: 110
1.39/1.41	s OPTIMUM FOUND
1.39/1.41	c Total time: 1.414 s

Verifier Data 

OK	110

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1877756-1245173291/watcher-1877756-1245173291 -o /tmp/evaluation-result-1877756-1245173291/solver-1877756-1245173291 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1877756-1245173291.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: 0.92 0.95 0.98 3/64 30669
/proc/meminfo: memFree=1856304/2055920 swapFree=4191900/4192956
[pid=30669] ppid=30667 vsize=18612 CPUtime=0
/proc/30669/stat : 30669 (bsolo) R 30667 30669 30067 0 -1 4194304 266 0 0 0 0 0 0 0 18 0 1 0 184929609 19058688 250 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30669/statm: 4653 250 174 640 0 3994 0

[startup+0.033362 s]
/proc/loadavg: 0.92 0.95 0.98 3/64 30669
/proc/meminfo: memFree=1856304/2055920 swapFree=4191900/4192956
[pid=30669] ppid=30667 vsize=11224 CPUtime=0.02
/proc/30669/stat : 30669 (bsolo) R 30667 30669 30067 0 -1 4194304 445 0 0 0 2 0 0 0 18 0 1 0 184929609 11493376 414 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30669/statm: 2806 414 224 640 0 2162 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 11224

[startup+0.101343 s]
/proc/loadavg: 0.92 0.95 0.98 3/64 30669
/proc/meminfo: memFree=1856304/2055920 swapFree=4191900/4192956
[pid=30669] ppid=30667 vsize=12592 CPUtime=0.09
/proc/30669/stat : 30669 (bsolo) R 30667 30669 30067 0 -1 4194304 692 0 0 0 9 0 0 0 18 0 1 0 184929609 12894208 658 1992294400 134512640 137136520 4294956256 18446744073709551615 135436501 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30669/statm: 3148 658 282 640 0 2504 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 12592

[startup+0.301284 s]
/proc/loadavg: 0.92 0.95 0.98 3/64 30669
/proc/meminfo: memFree=1856304/2055920 swapFree=4191900/4192956
[pid=30669] ppid=30667 vsize=12508 CPUtime=0.29
/proc/30669/stat : 30669 (bsolo) R 30667 30669 30067 0 -1 4194304 3761 0 0 0 28 1 0 0 19 0 1 0 184929609 12808192 620 1992294400 134512640 137136520 4294956256 18446744073709551615 135443262 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30669/statm: 3127 620 289 640 0 2483 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12508

[startup+0.70117 s]
/proc/loadavg: 0.92 0.95 0.98 3/64 30669
/proc/meminfo: memFree=1856304/2055920 swapFree=4191900/4192956
[pid=30669] ppid=30667 vsize=12552 CPUtime=0.69
/proc/30669/stat : 30669 (bsolo) R 30667 30669 30067 0 -1 4194304 9444 0 0 0 65 4 0 0 22 0 1 0 184929609 12853248 631 1992294400 134512640 137136520 4294956256 18446744073709551615 134767651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30669/statm: 3138 631 292 640 0 2494 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12552

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

[startup+1.10505 s]
/proc/loadavg: 0.92 0.95 0.98 2/65 30670
/proc/meminfo: memFree=1855016/2055920 swapFree=4191900/4192956
[pid=30669] ppid=30667 vsize=12288 CPUtime=1.1
/proc/30669/stat : 30669 (bsolo) R 30667 30669 30067 0 -1 4194304 16058 0 0 0 104 6 0 0 25 0 1 0 184929609 12582912 601 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30669/statm: 3072 602 292 640 0 2428 0
Current children cumulated CPU time (s) 1.1
Current children cumulated vsize (KiB) 12288

[startup+1.301 s]
/proc/loadavg: 0.92 0.95 0.98 2/65 30670
/proc/meminfo: memFree=1855016/2055920 swapFree=4191900/4192956
[pid=30669] ppid=30667 vsize=12624 CPUtime=1.29
/proc/30669/stat : 30669 (bsolo) R 30667 30669 30067 0 -1 4194304 18894 0 0 0 123 6 0 0 25 0 1 0 184929609 12926976 620 1992294400 134512640 137136520 4294956256 18446744073709551615 135471110 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30669/statm: 3156 620 292 640 0 2512 0
Current children cumulated CPU time (s) 1.29
Current children cumulated vsize (KiB) 12624

[startup+1.40197 s]
/proc/loadavg: 0.92 0.95 0.98 2/65 30670
/proc/meminfo: memFree=1855016/2055920 swapFree=4191900/4192956
[pid=30669] ppid=30667 vsize=12640 CPUtime=1.39
/proc/30669/stat : 30669 (bsolo) R 30667 30669 30067 0 -1 4194304 20197 0 0 0 132 7 0 0 25 0 1 0 184929609 12943360 657 1992294400 134512640 137136520 4294956256 18446744073709551615 135442575 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30669/statm: 3160 657 292 640 0 2516 0
Current children cumulated CPU time (s) 1.39
Current children cumulated vsize (KiB) 12640

Child status: 0
Real time (s): 1.41535
CPU time (s): 1.41678
CPU user time (s): 1.3398
CPU system time (s): 0.076988
CPU usage (%): 100.101
Max. virtual memory (cumulated for all children) (KiB): 12640

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.3398
system time used= 0.076988
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 20230
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 node16 at 2009-06-16 19:28:12
IDJOB=1877756
IDBENCH=2886
IDSOLVER=699
FILE ID=node16/1877756-1245173291
PBS_JOBID= 9363891
Free space on /tmp= 66280 MiB

SOLVER NAME= bsolo 3.1
BENCH NAME= PB06/final/normalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/logic_synthesis/normalized-test1.r.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1877756-1245173291/watcher-1877756-1245173291 -o /tmp/evaluation-result-1877756-1245173291/solver-1877756-1245173291 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1877756-1245173291.opb

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

MD5SUM BENCH= 8e6ac0bad8d074da12c63269189a8260
RANDOM SEED=1117952104

node16.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:       1856784 kB
Buffers:         32748 kB
Cached:          90072 kB
SwapCached:        260 kB
Active:          39240 kB
Inactive:        96320 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1856784 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:            4204 kB
Writeback:           0 kB
Mapped:          21252 kB
Slab:            49628 kB
Committed_AS:   157292 kB
PageTables:       1440 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-1877756-1245173291.opb

Free space on /tmp at the end= 66276 MiB
End job on node16 at 2009-06-16 19:28:13