Trace number 1878206

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 clOPT-15 51.7051 51.7305

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
manquinho/mis/normalized-mis_100_25_1.opb
MD5SUM009ec87aa7f9a2a2aeb136cc6734ca0d
Bench CategoryOPT-SMALLINT-NLC (optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-15
Best CPU time to get the best result obtained on this benchmark4.42533
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 variables100
Total number of constraints100
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 constraints100
Minimum length of a constraint25
Maximum length of a constraint43
Number of terms in the objective function 100
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 100
Number of bits of the sum of numbers in the objective function 7
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 100
Number of bits of the biggest sum of numbers7
Number of products (including duplicates)3038
Sum of products size (including duplicates)6076
Number of different products1519
Sum of products size3038

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-1878206-1245200621.opb
0.00/0.00	c File size is 120370 bytes.
0.00/0.01	c Highest Coefficient sum: 100
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.015 s
0.00/0.01	c Var: 1619 Constr: 3238 1619/100/1519 Lit: 15190 Watch. Lit: 10633
0.00/0.01	c Obj. Vars: 100 (6.17665 % of total variables)
0.00/0.03	c Pre-processing Time: 0.033 s
0.00/0.03	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.03	c        0    100     1519     4557    3     3038     506      0      0 0.03
0.00/0.03	c Switching off lower bounding mode.
0.00/0.03	o -12
0.00/0.06	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.06	c        0    100     1520     4657    3     3052     939      1      0 0.03
0.00/0.06	c      101    100     1621    13103    8     3254    1033    102   2463 0.04
0.00/0.06	c      351    100     1871    34051   18     3754    1137    352   5400 0.07
0.00/0.06	o -14
0.19/0.29	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.19/0.29	c      351    100     1872    34151   18     3770    1006    353   5318 0.07
0.19/0.29	c      451    100     1972    42323   21     3970    1107    453   5934 0.08
0.19/0.29	c      702    100     2223    62713   28     4472    1218    704   6685 0.10
0.19/0.29	c     1177    100     2698   101429   37     5422    1340   1179   7090 0.17
0.19/0.29	c     1991    100     3512   167734   47     7050    1475   1993   6937 0.29
0.19/0.29	o -15
51.67/51.72	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
51.67/51.72	c     2008    100     3530   169215   47     7101    1039   2011   6900 0.29
51.67/51.72	c     2108    100     3630   177283   48     7301    1143   2111   6911 0.30
51.67/51.72	c     2358    100     3880   197341   50     7801    1258   2361   6737 0.35
51.67/51.72	c     2833    100     2149    55350   25     4313    1384    630   6366 0.45
51.67/51.72	c     3647    100     2963   120711   40     5941    1523   1444   6353 0.57
51.67/51.72	c     4967    100     4283   226457   52     8581    1676   2764   5955 0.83
51.67/51.72	c     7048    100     3929   197619   50     7873    1844   2410   5259 1.34
51.67/51.72	c    10271    100     4632   253634   54     9279    2029   3113   4772 2.15
51.67/51.72	c    15207    100     4350   230253   52     8715    2232   2831   4481 3.39
51.67/51.72	c    22713    100     3729   180791   48     7473    2456   2210   4125 5.50
51.67/51.72	c    34074     99     3831   186377   48     7676    2702   2312   3777 9.02
51.67/51.72	c    51218     98     3338   145371   43     6689    2973   1819   3498 14.64
51.67/51.72	c    77038     95     4593   235644   51     9196    3271   3074   3275 23.52
51.67/51.72	c   115871     88     4864   230892   47     9731    3599   3345   3108 37.28
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51.67/51.72	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
51.67/51.72	c   22   161109   1649   162928     6392   179090   4873   3116 51.70
51.67/51.72	c Objective: -15
51.67/51.72	s OPTIMUM FOUND
51.67/51.72	c Total time: 51.703 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-1878206-1245200621/watcher-1878206-1245200621 -o /tmp/evaluation-result-1878206-1245200621/solver-1878206-1245200621 -C 1800 -W 2000 -M 1800 bsolo -l1 -t1800 -m1800 HOME/instance-1878206-1245200621.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: 1.00 1.00 1.00 3/64 8739
/proc/meminfo: memFree=1856336/2055920 swapFree=4191900/4192956
[pid=8739] ppid=8737 vsize=10832 CPUtime=0
/proc/8739/stat : 8739 (bsolo) R 8737 8739 8497 0 -1 4194304 267 0 0 0 0 0 0 0 18 0 1 0 187661435 11091968 251 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 0 0 0
/proc/8739/statm: 2708 252 175 640 0 2034 0

[startup+0.076014 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 8739
/proc/meminfo: memFree=1856336/2055920 swapFree=4191900/4192956
[pid=8739] ppid=8737 vsize=11884 CPUtime=0.06
/proc/8739/stat : 8739 (bsolo) R 8737 8739 8497 0 -1 4194304 590 0 0 0 6 0 0 0 18 0 1 0 187661435 12169216 544 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/8739/statm: 2971 545 197 640 0 2327 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 11884

[startup+0.101018 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 8739
/proc/meminfo: memFree=1856336/2055920 swapFree=4191900/4192956
[pid=8739] ppid=8737 vsize=12000 CPUtime=0.09
/proc/8739/stat : 8739 (bsolo) R 8737 8739 8497 0 -1 4194304 639 0 0 0 9 0 0 0 18 0 1 0 187661435 12288000 593 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/8739/statm: 3000 593 197 640 0 2356 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 12000

[startup+0.301048 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 8739
/proc/meminfo: memFree=1856336/2055920 swapFree=4191900/4192956
[pid=8739] ppid=8737 vsize=13520 CPUtime=0.29
/proc/8739/stat : 8739 (bsolo) R 8737 8739 8497 0 -1 4194304 999 0 0 0 29 0 0 0 19 0 1 0 187661435 13844480 953 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/8739/statm: 3380 953 197 640 0 2736 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 13520

[startup+0.701108 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 8739
/proc/meminfo: memFree=1856336/2055920 swapFree=4191900/4192956
[pid=8739] ppid=8737 vsize=14360 CPUtime=0.69
/proc/8739/stat : 8739 (bsolo) R 8737 8739 8497 0 -1 4194304 1221 0 0 0 68 1 0 0 23 0 1 0 187661435 14704640 1175 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/8739/statm: 3590 1175 197 640 0 2946 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 14360

[startup+1.50123 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 8740
/proc/meminfo: memFree=1851912/2055920 swapFree=4191900/4192956
[pid=8739] ppid=8737 vsize=14848 CPUtime=1.49
/proc/8739/stat : 8739 (bsolo) R 8737 8739 8497 0 -1 4194304 1332 0 0 0 148 1 0 0 25 0 1 0 187661435 15204352 1286 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/8739/statm: 3712 1286 197 640 0 3068 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14848

[startup+3.10148 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 8740
/proc/meminfo: memFree=1851592/2055920 swapFree=4191900/4192956
[pid=8739] ppid=8737 vsize=15208 CPUtime=3.09
/proc/8739/stat : 8739 (bsolo) R 8737 8739 8497 0 -1 4194304 1430 0 0 0 306 3 0 0 25 0 1 0 187661435 15572992 1384 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/8739/statm: 3802 1384 197 640 0 3158 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 15208

[startup+6.30196 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 8740
/proc/meminfo: memFree=1851080/2055920 swapFree=4191900/4192956
[pid=8739] ppid=8737 vsize=15692 CPUtime=6.28
/proc/8739/stat : 8739 (bsolo) R 8737 8739 8497 0 -1 4194304 1548 0 0 0 624 4 0 0 25 0 1 0 187661435 16068608 1502 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/8739/statm: 3923 1502 197 640 0 3279 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 15692

[startup+12.7019 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 8740
/proc/meminfo: memFree=1850824/2055920 swapFree=4191900/4192956
[pid=8739] ppid=8737 vsize=15940 CPUtime=12.69
/proc/8739/stat : 8739 (bsolo) R 8737 8739 8497 0 -1 4194304 1610 0 0 0 1263 6 0 0 25 0 1 0 187661435 16322560 1564 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/8739/statm: 3985 1564 197 640 0 3341 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 15940

[startup+25.5019 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 8740
/proc/meminfo: memFree=1850632/2055920 swapFree=4191900/4192956
[pid=8739] ppid=8737 vsize=16296 CPUtime=25.48
/proc/8739/stat : 8739 (bsolo) R 8737 8739 8497 0 -1 4194304 1710 0 0 0 2539 9 0 0 25 0 1 0 187661435 16687104 1664 1992294400 134512640 137136520 4294956256 18446744073709551615 134543831 0 0 4096 16384 0 0 0 17 0 0 0
/proc/8739/statm: 4074 1664 197 640 0 3430 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 16296

[startup+51.1018 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 8740
/proc/meminfo: memFree=1850504/2055920 swapFree=4191900/4192956
[pid=8739] ppid=8737 vsize=16296 CPUtime=51.06
/proc/8739/stat : 8739 (bsolo) R 8737 8739 8497 0 -1 4194304 1710 0 0 0 5089 17 0 0 25 0 1 0 187661435 16687104 1664 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/8739/statm: 4074 1664 197 640 0 3430 0
Current children cumulated CPU time (s) 51.06
Current children cumulated vsize (KiB) 16296

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

[startup+51.5019 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 8740
/proc/meminfo: memFree=1850504/2055920 swapFree=4191900/4192956
[pid=8739] ppid=8737 vsize=16296 CPUtime=51.47
/proc/8739/stat : 8739 (bsolo) R 8737 8739 8497 0 -1 4194304 1710 0 0 0 5129 18 0 0 25 0 1 0 187661435 16687104 1664 1992294400 134512640 137136520 4294956256 18446744073709551615 134544036 0 0 4096 16384 0 0 0 17 0 0 0
/proc/8739/statm: 4074 1664 197 640 0 3430 0
Current children cumulated CPU time (s) 51.47
Current children cumulated vsize (KiB) 16296

[startup+51.7059 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 8740
/proc/meminfo: memFree=1850504/2055920 swapFree=4191900/4192956
[pid=8739] ppid=8737 vsize=16296 CPUtime=51.67
/proc/8739/stat : 8739 (bsolo) R 8737 8739 8497 0 -1 4194304 1710 0 0 0 5149 18 0 0 25 0 1 0 187661435 16687104 1664 1992294400 134512640 137136520 4294956256 18446744073709551615 134544249 0 0 4096 16384 0 0 0 17 0 0 0
/proc/8739/statm: 4074 1664 197 640 0 3430 0
Current children cumulated CPU time (s) 51.67
Current children cumulated vsize (KiB) 16296

Child status: 0
Real time (s): 51.7305
CPU time (s): 51.7051
CPU user time (s): 51.5222
CPU system time (s): 0.182972
CPU usage (%): 99.9509
Max. virtual memory (cumulated for all children) (KiB): 16296

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 51.5222
system time used= 0.182972
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1712
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= 5
involuntary context switches= 179

runsolver used 0.052991 second user time and 0.146977 second system time

The end

Launcher Data 

Begin job on node34 at 2009-06-17 03:03:41
IDJOB=1878206
IDBENCH=48186
IDSOLVER=700
FILE ID=node34/1878206-1245200621
PBS_JOBID= 9368338
Free space on /tmp= 66252 MiB

SOLVER NAME= bsolo 3.1 cl
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/manquinho/mis/normalized-mis_100_25_1.opb
COMMAND LINE= bsolo -l1 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1878206-1245200621/watcher-1878206-1245200621 -o /tmp/evaluation-result-1878206-1245200621/solver-1878206-1245200621 -C 1800 -W 2000 -M 1800  bsolo -l1 -t1800 -m1800 HOME/instance-1878206-1245200621.opb

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

MD5SUM BENCH= 009ec87aa7f9a2a2aeb136cc6734ca0d
RANDOM SEED=31163818

node34.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		: 3000.263
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		: 3000.263
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:       1857784 kB
Buffers:         38100 kB
Cached:          87848 kB
SwapCached:        260 kB
Active:          16556 kB
Inactive:       122636 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1857784 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:            3972 kB
Writeback:           0 kB
Mapped:          21816 kB
Slab:            45100 kB
Committed_AS:   186232 kB
PageTables:       1384 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-1878206-1245200621.opb

Free space on /tmp at the end= 66248 MiB
End job on node34 at 2009-06-17 03:04:33