Trace number 1878058

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 clOPT3 0.120981 0.121616

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/
factor-mod-B/factor-mod-size=5-P0=19-P1=23-P2=23-P3=23-B.opb
MD5SUMa7d7ec970e4707afa1937f254331884d
Bench CategoryOPT-SMALLINT-NLC (optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark3
Best CPU time to get the best result obtained on this benchmark0.093984
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 3
Optimality of the best value was proved YES
Number of variables45
Total number of constraints7
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints7
Minimum length of a constraint5
Maximum length of a constraint35
Number of terms in the objective function 5
Biggest coefficient in the objective function 16
Number of bits for the biggest coefficient in the objective function 5
Sum of the numbers in the objective function 31
Number of bits of the sum of numbers in the objective function 5
Biggest number in a constraint 512
Number of bits of the biggest number in a constraint 10
Biggest sum of numbers in a constraint 1984
Number of bits of the biggest sum of numbers11
Number of products (including duplicates)75
Sum of products size (including duplicates)150
Number of different products75
Sum of products size150

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-1878058-1245188632.opb
0.00/0.00	c File size is 5524 bytes.
0.00/0.00	c Highest Coefficient sum: 1984
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0 s
0.00/0.00	c Var: 120 Constr: 160 75/0/85 Lit: 670 Watch. Lit: 430
0.00/0.00	c Obj. Vars: 5 (4.16667 % of total variables)
0.00/0.00	c Pre-processing Time: 0.001 s
0.00/0.00	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.00	c        0    120      160      670    4      573     914      0      0 0.00
0.00/0.00	c Switching off lower bounding mode.
0.00/0.08	c      105    120      265     3141   11      759    1006    105  15000 0.01
0.00/0.08	c      255    120      415     6830   16     1053    1107    255  18214 0.01
0.00/0.08	c      480    120      640    11547   18     1503    1218    480  17777 0.03
0.00/0.08	c      820    120      980    19056   19     2197    1340    820  16400 0.05
0.00/0.08	o 25
0.00/0.09	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.09	c     1256    119     1417    29774   21     3080     924   1257  15506 0.08
0.00/0.09	c     1356    119      724    14343   19     1684    1017    564  15066 0.09
0.00/0.09	o 11
0.00/0.09	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.09	c     1386    119      755    15063   19     1750     924    595  15065 0.09
0.00/0.09	o 3
0.09/0.12	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.12	c     1391    119      761    15147   19     1765     924    601  14956 0.09
0.09/0.12	c     1492     90      862    17371   20     1952    1017    702  14772 0.10
0.09/0.12	v x1 x2 -x3 -x4 -x5 x6 x7 -x8 x9 -x10 x11 x12 -x13 -x14 -x15 x16 x17 x18 -x19 x20 x46 x47 -x48 -x49 -x50 x51 x52 -x53 -x54 -x55 -x56 -x57 -x58 -x59 -x60 x61 x62 -x63 -x64 -x65 -x66 -x67 -x68 -x69 -x70 x21 -x22 -x23 -x24 -x25 x31 -x32 -x33 -x34 -x35 x71 -x72 -x73 -x74 -x75 x76 -x77 -x78 -x79 -x80 -x81 -x82 -x83 -x84 -x85 -x86 -x87 -x88 -x89 -x90 -x91 -x92 -x93 -x94 -x95 x26 x27 -x28 -x29 -x30 -x36 -x37 -x38 -x39 -x40 x96 x97 -x98 -x99 -x100 x101 x102 -x103 -x104 -x105 x106 x107 -x108 -x109 -x110 -x111 -x112 -x113 -x114 -x115 x116 x117 -x118 -x119 -x120 -x41 x42 -x43 -x44 -x45 
0.09/0.12	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.09/0.12	c    9     1689     62     2009     1059    20720    899  14193 0.12
0.09/0.12	c Objective: 3
0.09/0.12	s OPTIMUM FOUND
0.09/0.12	c Total time: 0.119 s

Verifier Data 

OK	3

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1878058-1245188632/watcher-1878058-1245188632 -o /tmp/evaluation-result-1878058-1245188632/solver-1878058-1245188632 -C 1800 -W 2000 -M 1800 bsolo -l1 -t1800 -m1800 HOME/instance-1878058-1245188632.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 0.98 0.99 3/64 11223
/proc/meminfo: memFree=1846328/2055920 swapFree=4191904/4192956
[pid=11223] ppid=11221 vsize=10708 CPUtime=0
/proc/11223/stat : 11223 (bsolo) R 11221 11223 10101 0 -1 4194304 266 0 0 0 0 0 0 0 18 0 1 0 186464026 10964992 248 1992294400 134512640 137136520 4294956256 18446744073709551615 136575102 0 0 4096 16384 0 0 0 17 0 0 0
/proc/11223/statm: 2677 248 196 640 0 2033 0

[startup+0.0977849 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 11223
/proc/meminfo: memFree=1846328/2055920 swapFree=4191904/4192956
[pid=11223] ppid=11221 vsize=11224 CPUtime=0.09
/proc/11223/stat : 11223 (bsolo) R 11221 11223 10101 0 -1 4194304 392 0 0 0 9 0 0 0 18 0 1 0 186464026 11493376 374 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/11223/statm: 2806 374 197 640 0 2162 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11224

[startup+0.101785 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 11223
/proc/meminfo: memFree=1846328/2055920 swapFree=4191904/4192956
[pid=11223] ppid=11221 vsize=11224 CPUtime=0.09
/proc/11223/stat : 11223 (bsolo) R 11221 11223 10101 0 -1 4194304 392 0 0 0 9 0 0 0 18 0 1 0 186464026 11493376 374 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/11223/statm: 2806 374 197 640 0 2162 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11224

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

Child status: 0
Real time (s): 0.121616
CPU time (s): 0.120981
CPU user time (s): 0.116982
CPU system time (s): 0.003999
CPU usage (%): 99.4779
Max. virtual memory (cumulated for all children) (KiB): 11224

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.116982
system time used= 0.003999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 394
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= 0

runsolver used 0.001999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node7 at 2009-06-16 23:43:52
IDJOB=1878058
IDBENCH=48038
IDSOLVER=700
FILE ID=node7/1878058-1245188632
PBS_JOBID= 9363944
Free space on /tmp= 66272 MiB

SOLVER NAME= bsolo 3.1 cl
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/factor-mod-B/factor-mod-size=5-P0=19-P1=23-P2=23-P3=23-B.opb
COMMAND LINE= bsolo -l1 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1878058-1245188632/watcher-1878058-1245188632 -o /tmp/evaluation-result-1878058-1245188632/solver-1878058-1245188632 -C 1800 -W 2000 -M 1800  bsolo -l1 -t1800 -m1800 HOME/instance-1878058-1245188632.opb

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

MD5SUM BENCH= a7d7ec970e4707afa1937f254331884d
RANDOM SEED=176276424

node7.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		: 3000.274
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		: 3000.274
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:       1846808 kB
Buffers:         49008 kB
Cached:          91132 kB
SwapCached:        416 kB
Active:          56436 kB
Inactive:        97116 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1846808 kB
SwapTotal:     4192956 kB
SwapFree:      4191904 kB
Dirty:            4156 kB
Writeback:           0 kB
Mapped:          21828 kB
Slab:            41468 kB
Committed_AS:   172732 kB
PageTables:       1444 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-1878058-1245188632.opb

Free space on /tmp at the end= 66268 MiB
End job on node7 at 2009-06-16 23:43:52