Trace number 1880531

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 pbOPT95 0.766882 0.767237

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB05/
manquinho/primes-dimacs-cnf/normalized-jnh17.opb
MD5SUMb73cea9d9e4cbead7bc459c298b4b53a
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark95
Best CPU time to get the best result obtained on this benchmark0.031994
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 95
Optimality of the best value was proved YES
Number of variables200
Total number of constraints950
Number of constraints which are clauses950
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 constraint11
Number of terms in the objective function 200
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 200
Number of bits of the sum of numbers in the objective function 8
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 200
Number of bits of the biggest sum of numbers8
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: 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-1880531-1245160677.opb
0.00/0.00	c File size is 40799 bytes.
0.00/0.00	c Highest Coefficient sum: 200
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0.005 s
0.00/0.00	c Var: 200 Constr: 950 950/0/0 Lit: 4333 Watch. Lit: 1900
0.00/0.00	c Obj. Vars: 200 (100 % of total variables)
0.00/0.01	c Pre-processing Time: 0.009 s
0.00/0.07	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.07	c        0    151      508     2129    4     1016     169      0      0 0.01
0.00/0.07	c Initial Lower Bound: 81
0.00/0.07	c Initial Path Cost: 25
0.00/0.07	o 96
0.19/0.26	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.19/0.26	c       13    151      522     2382    4     1123    1169     14    183 0.07
0.19/0.26	o 95
0.69/0.76	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.69/0.76	c       31    151      549     3589    6     1257    1169     41    119 0.26
0.69/0.76	v x1 -x2 x3 -x4 x5 -x6 -x7 x8 -x9 x10 x11 -x12 -x13 x14 x15 -x16 -x17 x18 -x19 x20 x21 -x22 -x23 x24 -x25 x26 -x27 x28 -x29 x30 -x31 x32 x33 -x34 x35 -x36 x37 -x38 x39 -x40 x41 -x42 -x43 x44 -x45 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 -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 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 x121 -x122 -x123 x124 x125 -x126 -x127 x128 x129 -x130 x131 -x132 -x133 x134 x135 -x136 x137 -x138 x139 -x140 x141 -x142 -x143 x144 x145 -x146 x147 -x148 x149 -x150 -x151 x152 x153 -x154 x155 -x156 x157 -x158 x159 -x160 x161 -x162 x163 -x164 x165 -x166 -x167 -x168 -x169 x170 -x171 x172 x173 -x174 x175 -x176 x177 -x178 -x179 x180 x181 -x182 x183 -x184 -x185 x186 -x187 -x188 x189 -x190 x191 -x192 x193 -x194 x195 -x196 -x197 x198 -x199 x200 
0.69/0.76	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.69/0.76	c    2       53      9       92      577     4317     69     69 0.76
0.69/0.76	c Objective: 95
0.69/0.76	s OPTIMUM FOUND
0.69/0.76	c Total time: 0.764 s

Verifier Data 

OK	95

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1880531-1245160677/watcher-1880531-1245160677 -o /tmp/evaluation-result-1880531-1245160677/solver-1880531-1245160677 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1880531-1245160677.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 5100
/proc/meminfo: memFree=1857376/2055920 swapFree=4191900/4192956
[pid=5100] ppid=5098 vsize=10748 CPUtime=0
/proc/5100/stat : 5100 (bsolo) R 5098 5100 4947 0 -1 4194304 248 0 0 0 0 0 0 0 18 0 1 0 183668626 11005952 232 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 0 0 0
/proc/5100/statm: 2687 232 175 640 0 2033 0

[startup+0.101037 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 5100
/proc/meminfo: memFree=1857376/2055920 swapFree=4191900/4192956
[pid=5100] ppid=5098 vsize=12144 CPUtime=0.09
/proc/5100/stat : 5100 (bsolo) R 5098 5100 4947 0 -1 4194304 830 0 0 0 9 0 0 0 18 0 1 0 183668626 12435456 475 1992294400 134512640 137136520 4294956256 18446744073709551615 135455334 0 0 4096 16384 0 0 0 17 0 0 0
/proc/5100/statm: 3036 475 292 640 0 2392 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 12144

[startup+0.201053 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 5100
/proc/meminfo: memFree=1857376/2055920 swapFree=4191900/4192956
[pid=5100] ppid=5098 vsize=12064 CPUtime=0.19
/proc/5100/stat : 5100 (bsolo) R 5098 5100 4947 0 -1 4194304 1401 0 0 0 19 0 0 0 18 0 1 0 183668626 12353536 476 1992294400 134512640 137136520 4294956256 18446744073709551615 135443216 0 0 4096 16384 0 0 0 17 0 0 0
/proc/5100/statm: 3016 476 292 640 0 2372 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 12064

[startup+0.301071 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 5100
/proc/meminfo: memFree=1857376/2055920 swapFree=4191900/4192956
[pid=5100] ppid=5098 vsize=12264 CPUtime=0.29
/proc/5100/stat : 5100 (bsolo) R 5098 5100 4947 0 -1 4194304 2508 0 0 0 28 1 0 0 19 0 1 0 183668626 12558336 562 1992294400 134512640 137136520 4294956256 18446744073709551615 135444608 0 0 4096 16384 0 0 0 17 0 0 0
/proc/5100/statm: 3066 562 293 640 0 2422 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12264

[startup+0.701141 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 5100
/proc/meminfo: memFree=1857376/2055920 swapFree=4191900/4192956
[pid=5100] ppid=5098 vsize=12236 CPUtime=0.69
/proc/5100/stat : 5100 (bsolo) R 5098 5100 4947 0 -1 4194304 4565 0 0 0 68 1 0 0 23 0 1 0 183668626 12529664 544 1992294400 134512640 137136520 4294956256 18446744073709551615 135447705 0 0 4096 16384 0 0 0 17 0 0 0
/proc/5100/statm: 3059 544 293 640 0 2415 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12236

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

[startup+0.701141 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 5100
/proc/meminfo: memFree=1857376/2055920 swapFree=4191900/4192956
[pid=5100] ppid=5098 vsize=12236 CPUtime=0.69
/proc/5100/stat : 5100 (bsolo) R 5098 5100 4947 0 -1 4194304 4565 0 0 0 68 1 0 0 23 0 1 0 183668626 12529664 544 1992294400 134512640 137136520 4294956256 18446744073709551615 135447705 0 0 4096 16384 0 0 0 17 0 0 0
/proc/5100/statm: 3059 544 293 640 0 2415 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12236

Child status: 0
Real time (s): 0.767237
CPU time (s): 0.766882
CPU user time (s): 0.750885
CPU system time (s): 0.015997
CPU usage (%): 99.9537
Max. virtual memory (cumulated for all children) (KiB): 12272

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.750885
system time used= 0.015997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4813
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 0.004999 second system time

The end

Launcher Data 

Begin job on node4 at 2009-06-16 15:57:57
IDJOB=1880531
IDBENCH=2196
IDSOLVER=701
FILE ID=node4/1880531-1245160677
PBS_JOBID= 9363851
Free space on /tmp= 66408 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB06//final/normalized-PB06/OPT-SMALLINT/submitted-PB05/manquinho/primes-dimacs-cnf/normalized-jnh17.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1880531-1245160677/watcher-1880531-1245160677 -o /tmp/evaluation-result-1880531-1245160677/solver-1880531-1245160677 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1880531-1245160677.opb

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

MD5SUM BENCH= b73cea9d9e4cbead7bc459c298b4b53a
RANDOM SEED=1860557741

node4.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		: 3000.259
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		: 3000.259
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:       1857856 kB
Buffers:         32472 kB
Cached:          97488 kB
SwapCached:        260 kB
Active:          30440 kB
Inactive:       112736 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1857856 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:            4092 kB
Writeback:           0 kB
Mapped:          21752 kB
Slab:            40748 kB
Committed_AS:   138652 kB
PageTables:       1472 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-1880531-1245160677.opb

Free space on /tmp at the end= 66404 MiB
End job on node4 at 2009-06-16 15:57:58