Trace number 1879619

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 pbOPT-26 55.3326 55.3456

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
manquinho/mis/normalized-mis_100_10_2.opb
MD5SUM597624b9879736416e28e0a242fe0005
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-26
Best CPU time to get the best result obtained on this benchmark10.3274
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function -26
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 constraint10
Maximum length of a constraint20
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)1260
Sum of products size (including duplicates)2520
Number of different products630
Sum of products size1260

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: Generic Pseudo-Boolean 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-1879619-1245245961.opb
0.00/0.00	c File size is 49758 bytes.
0.00/0.00	c Highest Coefficient sum: 100
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0.006 s
0.00/0.00	c Var: 730 Constr: 1460 730/100/630 Lit: 6300 Watch. Lit: 4410
0.00/0.00	c Obj. Vars: 100 (13.6986 % of total variables)
0.00/0.01	c Pre-processing Time: 0.012 s
0.00/0.01	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.01	c        0    100      630     1890    3     1260     209      0      0 0.01
0.00/0.01	c Switching off lower bounding mode.
0.00/0.01	o -22
0.19/0.21	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.19/0.21	c        0    100      631     1990    3     1284     976      1      0 0.01
0.19/0.21	c      100     99      824    19061   23     2974    1074    194   2127 0.05
0.19/0.21	c      351     98     1319    62034   47     6702    1182    689   1994 0.18
0.19/0.21	o -24
2.79/2.80	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
2.79/2.80	c      408     98     1426    71233   49     6761    1026    796   1924 0.21
2.79/2.80	c      508     98     1620    88016   54     8121    1129    990   1716 0.30
2.79/2.80	c      758     98     2109   131961   62    12213    1242   1479   1327 0.57
2.79/2.80	c     1233     98     1728    97844   56    12021    1367   1098    980 1.26
2.79/2.80	c     2046     98     1886   116314   61    13616    1504   1256    731 2.80
2.79/2.80	o -25
2.79/2.84	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
2.79/2.84	c     2046     98     1887   116412   61    12469    1059   1257    728 2.81
2.79/2.84	o -26
55.27/55.34	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
55.27/55.34	c     2072     98     1935   120467   62    12953    1091   1305    728 2.85
55.27/55.34	c     2172     98     2129   136818   64    14649    1201   1499    722 3.01
55.27/55.34	c     2422     96     1332    65245   48    10653    1322    702    688 3.52
55.27/55.34	c     2898     96     2272   152080   66    17801    1455   1642    650 4.46
55.27/55.34	c     3711     95     2457   168218   68    18097    1601   1827    601 6.17
55.27/55.34	c     5031     95     2046   130058   63    14142    1762   1416    540 9.30
55.27/55.34	c     7112     95     3011   214806   71    20961    1939   2381    514 13.83
55.27/55.34	c    10335     91     2603   179121   68    15676    2133   1973    471 21.94
55.27/55.34	c    15272     80     3269   223893   68    18880    2347   2639    425 35.87
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55.27/55.34	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
55.27/55.34	c   18    22137    988    23441     3246   185703   2616    400 55.33
55.27/55.34	c Objective: -26
55.27/55.34	s OPTIMUM FOUND
55.27/55.34	c Total time: 55.33 s

Verifier Data 

OK	-26

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1879619-1245245961/watcher-1879619-1245245961 -o /tmp/evaluation-result-1879619-1245245961/solver-1879619-1245245961 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1879619-1245245961.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 0.94 3/64 4838
/proc/meminfo: memFree=1854320/2055920 swapFree=4181964/4192956
[pid=4838] ppid=4836 vsize=10756 CPUtime=0
/proc/4838/stat : 4838 (bsolo) R 4836 4838 4436 0 -1 4194304 254 0 0 0 0 0 0 0 18 0 1 0 192197054 11014144 238 1992294400 134512640 137136520 4294956256 18446744073709551615 134517643 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4838/statm: 2689 239 175 640 0 2032 0

[startup+0.0436691 s]
/proc/loadavg: 1.00 1.00 0.94 3/64 4838
/proc/meminfo: memFree=1854320/2055920 swapFree=4181964/4192956
[pid=4838] ppid=4836 vsize=11104 CPUtime=0.04
/proc/4838/stat : 4838 (bsolo) R 4836 4838 4436 0 -1 4194304 399 0 0 0 4 0 0 0 18 0 1 0 192197054 11370496 370 1992294400 134512640 137136520 4294956256 18446744073709551615 134544140 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4838/statm: 2776 370 197 640 0 2132 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 11104

[startup+0.102673 s]
/proc/loadavg: 1.00 1.00 0.94 3/64 4838
/proc/meminfo: memFree=1854320/2055920 swapFree=4181964/4192956
[pid=4838] ppid=4836 vsize=11484 CPUtime=0.09
/proc/4838/stat : 4838 (bsolo) R 4836 4838 4436 0 -1 4194304 471 0 0 0 9 0 0 0 18 0 1 0 192197054 11759616 442 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4838/statm: 2871 442 197 640 0 2227 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11484

[startup+0.30269 s]
/proc/loadavg: 1.00 1.00 0.94 3/64 4838
/proc/meminfo: memFree=1854320/2055920 swapFree=4181964/4192956
[pid=4838] ppid=4836 vsize=12120 CPUtime=0.29
/proc/4838/stat : 4838 (bsolo) R 4836 4838 4436 0 -1 4194304 648 0 0 0 29 0 0 0 19 0 1 0 192197054 12410880 619 1992294400 134512640 137136520 4294956256 18446744073709551615 134544160 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4838/statm: 3030 619 197 640 0 2386 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12120

[startup+0.701722 s]
/proc/loadavg: 1.00 1.00 0.94 3/64 4838
/proc/meminfo: memFree=1854320/2055920 swapFree=4181964/4192956
[pid=4838] ppid=4836 vsize=13012 CPUtime=0.69
/proc/4838/stat : 4838 (bsolo) R 4836 4838 4436 0 -1 4194304 875 0 0 0 69 0 0 0 22 0 1 0 192197054 13324288 846 1992294400 134512640 137136520 4294956256 18446744073709551615 134543948 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4838/statm: 3253 846 197 640 0 2609 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13012

[startup+1.50179 s]
/proc/loadavg: 1.00 1.00 0.94 2/65 4839
/proc/meminfo: memFree=1851240/2055920 swapFree=4181964/4192956
[pid=4838] ppid=4836 vsize=13520 CPUtime=1.49
/proc/4838/stat : 4838 (bsolo) R 4836 4838 4436 0 -1 4194304 983 0 0 0 149 0 0 0 25 0 1 0 192197054 13844480 954 1992294400 134512640 137136520 4294956256 18446744073709551615 134544402 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4838/statm: 3380 954 198 640 0 2736 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 13520

[startup+3.10192 s]
/proc/loadavg: 1.00 1.00 0.94 2/65 4839
/proc/meminfo: memFree=1851048/2055920 swapFree=4181964/4192956
[pid=4838] ppid=4836 vsize=13776 CPUtime=3.09
/proc/4838/stat : 4838 (bsolo) R 4836 4838 4436 0 -1 4194304 1058 0 0 0 309 0 0 0 25 0 1 0 192197054 14106624 1029 1992294400 134512640 137136520 4294956256 18446744073709551615 136499644 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4838/statm: 3444 1029 198 640 0 2800 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 13776

[startup+6.30118 s]
/proc/loadavg: 1.00 1.00 0.94 2/65 4839
/proc/meminfo: memFree=1850408/2055920 swapFree=4181964/4192956
[pid=4838] ppid=4836 vsize=13904 CPUtime=6.29
/proc/4838/stat : 4838 (bsolo) R 4836 4838 4436 0 -1 4194304 1101 0 0 0 629 0 0 0 25 0 1 0 192197054 14237696 1072 1992294400 134512640 137136520 4294956256 18446744073709551615 134599913 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4838/statm: 3476 1072 198 640 0 2832 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 13904

[startup+12.7017 s]
/proc/loadavg: 1.00 1.00 0.94 2/65 4839
/proc/meminfo: memFree=1850024/2055920 swapFree=4181964/4192956
[pid=4838] ppid=4836 vsize=14292 CPUtime=12.69
/proc/4838/stat : 4838 (bsolo) R 4836 4838 4436 0 -1 4194304 1199 0 0 0 1268 1 0 0 25 0 1 0 192197054 14635008 1170 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4838/statm: 3573 1170 198 640 0 2929 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 14292

[startup+25.5017 s]
/proc/loadavg: 1.00 1.00 0.94 2/65 4839
/proc/meminfo: memFree=1849640/2055920 swapFree=4181964/4192956
[pid=4838] ppid=4836 vsize=14800 CPUtime=25.48
/proc/4838/stat : 4838 (bsolo) R 4836 4838 4436 0 -1 4194304 1309 0 0 0 2547 1 0 0 25 0 1 0 192197054 15155200 1280 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4838/statm: 3700 1280 198 640 0 3056 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 14800

[startup+51.1018 s]
/proc/loadavg: 1.00 1.00 0.94 2/65 4839
/proc/meminfo: memFree=1849576/2055920 swapFree=4181964/4192956
[pid=4838] ppid=4836 vsize=14800 CPUtime=51.08
/proc/4838/stat : 4838 (bsolo) R 4836 4838 4436 0 -1 4194304 1323 0 0 0 5105 3 0 0 25 0 1 0 192197054 15155200 1294 1992294400 134512640 137136520 4294956256 18446744073709551615 134544157 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4838/statm: 3700 1294 198 640 0 3056 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 14800

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

[startup+52.702 s]
/proc/loadavg: 1.00 1.00 0.94 2/65 4839
/proc/meminfo: memFree=1849576/2055920 swapFree=4181964/4192956
[pid=4838] ppid=4836 vsize=14800 CPUtime=52.68
/proc/4838/stat : 4838 (bsolo) R 4836 4838 4436 0 -1 4194304 1323 0 0 0 5265 3 0 0 25 0 1 0 192197054 15155200 1294 1992294400 134512640 137136520 4294956256 18446744073709551615 134544547 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4838/statm: 3700 1294 198 640 0 3056 0
Current children cumulated CPU time (s) 52.68
Current children cumulated vsize (KiB) 14800

[startup+54.3011 s]
/proc/loadavg: 1.00 1.00 0.94 2/65 4839
/proc/meminfo: memFree=1849576/2055920 swapFree=4181964/4192956
[pid=4838] ppid=4836 vsize=14800 CPUtime=54.27
/proc/4838/stat : 4838 (bsolo) R 4836 4838 4436 0 -1 4194304 1323 0 0 0 5424 3 0 0 25 0 1 0 192197054 15155200 1294 1992294400 134512640 137136520 4294956256 18446744073709551615 134544419 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4838/statm: 3700 1294 198 640 0 3056 0
Current children cumulated CPU time (s) 54.27
Current children cumulated vsize (KiB) 14800

[startup+55.1012 s]
/proc/loadavg: 1.00 1.00 0.94 2/65 4839
/proc/meminfo: memFree=1849576/2055920 swapFree=4181964/4192956
[pid=4838] ppid=4836 vsize=14800 CPUtime=55.07
/proc/4838/stat : 4838 (bsolo) R 4836 4838 4436 0 -1 4194304 1323 0 0 0 5504 3 0 0 25 0 1 0 192197054 15155200 1294 1992294400 134512640 137136520 4294956256 18446744073709551615 134543942 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4838/statm: 3700 1294 198 640 0 3056 0
Current children cumulated CPU time (s) 55.07
Current children cumulated vsize (KiB) 14800

[startup+55.3012 s]
/proc/loadavg: 1.00 1.00 0.94 2/65 4839
/proc/meminfo: memFree=1849576/2055920 swapFree=4181964/4192956
[pid=4838] ppid=4836 vsize=14800 CPUtime=55.27
/proc/4838/stat : 4838 (bsolo) R 4836 4838 4436 0 -1 4194304 1323 0 0 0 5524 3 0 0 25 0 1 0 192197054 15155200 1294 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4838/statm: 3700 1294 198 640 0 3056 0
Current children cumulated CPU time (s) 55.27
Current children cumulated vsize (KiB) 14800

Child status: 0
Real time (s): 55.3456
CPU time (s): 55.3326
CPU user time (s): 55.2936
CPU system time (s): 0.038994
CPU usage (%): 99.9766
Max. virtual memory (cumulated for all children) (KiB): 14800

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 55.2936
system time used= 0.038994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1325
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= 3
involuntary context switches= 31

runsolver used 0.044993 second user time and 0.119981 second system time

The end

Launcher Data 

Begin job on node3 at 2009-06-17 15:39:21
IDJOB=1879619
IDBENCH=48169
IDSOLVER=701
FILE ID=node3/1879619-1245245961
PBS_JOBID= 9372333
Free space on /tmp= 66292 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/manquinho/mis/normalized-mis_100_10_2.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1879619-1245245961/watcher-1879619-1245245961 -o /tmp/evaluation-result-1879619-1245245961/solver-1879619-1245245961 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1879619-1245245961.opb

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

MD5SUM BENCH= 597624b9879736416e28e0a242fe0005
RANDOM SEED=925121611

node3.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		: 3000.236
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		: 3000.236
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:       1854800 kB
Buffers:          9892 kB
Cached:         119220 kB
SwapCached:       4984 kB
Active:          18976 kB
Inactive:       118260 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1854800 kB
SwapTotal:     4192956 kB
SwapFree:      4181964 kB
Dirty:            3956 kB
Writeback:           0 kB
Mapped:          14284 kB
Slab:            49932 kB
Committed_AS:   181620 kB
PageTables:       1376 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-1879619-1245245961.opb

Free space on /tmp at the end= 66288 MiB
End job on node3 at 2009-06-17 15:40:16