Trace number 1877687

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 3.1OPT304 0.287955 0.288393

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/web/www.ps.uni-sb.de/
~walser/benchmarks/course-ass/normalized-ss97-6.opb
MD5SUMdcfce19ac0444148b26b7675e35c76bc
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark304
Best CPU time to get the best result obtained on this benchmark0.050991
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 304
Optimality of the best value was proved YES
Number of variables257
Total number of constraints97
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)97
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint44
Number of terms in the objective function 173
Biggest coefficient in the objective function 100
Number of bits for the biggest coefficient in the objective function 7
Sum of the numbers in the objective function 8448
Number of bits of the sum of numbers in the objective function 14
Biggest number in a constraint 100
Number of bits of the biggest number in a constraint 7
Biggest sum of numbers in a constraint 8448
Number of bits of the biggest sum of numbers14
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-1877687-1245163468.opb
0.00/0.00	c File size is 8127 bytes.
0.00/0.00	c Highest Coefficient sum: 8448
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0.001 s
0.00/0.00	c Var: 257 Constr: 182 126/56/0 Lit: 1026 Watch. Lit: 667
0.00/0.00	c Obj. Vars: 173 (67.3152 % of total variables)
0.00/0.00	c Pre-processing Time: 0.002 s
0.00/0.00	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.00	c        0    256       98      784    8      470    3017      0      0 0.00
0.00/0.00	c Switching off lower bounding mode.
0.00/0.00	o 908
0.00/0.00	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.00	c       39    256      138     2035   14      655    3285     40   5571 0.01
0.00/0.00	o 610
0.00/0.01	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.01	c       39    256      139     2169   15      758    3285     41   5571 0.01
0.00/0.01	o 608
0.00/0.01	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.01	c       53    256      154     2507   16      896    3285     56   5300 0.01
0.00/0.01	o 606
0.00/0.01	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.01	c       54    256      156     2707   17     1009    3285     58   5400 0.01
0.00/0.01	o 605
0.00/0.01	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.01	c       56    256      159     2938   18     1127    3285     61   5090 0.01
0.00/0.01	o 508
0.00/0.03	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.03	c       66    256      170     3502   20     1257    3285     72   5076 0.01
0.00/0.03	c      166    256      270     6908   25     1424    3614    172   5533 0.03
0.00/0.03	o 507
0.00/0.07	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.07	c      176    256      281     7315   26     1566    3285    183   5500 0.03
0.00/0.07	c      276    256      381    10173   26     1746    3614    283   6133 0.04
0.00/0.07	o 407
0.08/0.08	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.08/0.08	c      454    256      561    15078   26     2151    3285    463   6394 0.07
0.08/0.08	c      554    256      661    17333   26     2311    3614    563   6517 0.09
0.08/0.08	o 406
0.08/0.08	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.08/0.08	c      558    256      666    17496   26     2476    3285    568   6488 0.09
0.08/0.08	o 307
0.08/0.08	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.08/0.08	c      558    256      667    17630   26     2587    3285    569   6488 0.09
0.08/0.08	o 306
0.08/0.08	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.08/0.08	c      558    256      668    17764   26     2705    3285    570   6488 0.09
0.08/0.08	o 305
0.09/0.10	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.10	c      559    256      670    17926   26     2822    3285    572   6425 0.09
0.09/0.10	o 304
0.19/0.28	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.19/0.28	c      655    118      774    20099   25     3756    3065    676   6485 0.10
0.19/0.28	c      756    118      879    21125   24     3980    3372    781   7000 0.11
0.19/0.28	c     1007    118     1140    23779   20     4502    3710   1042   7992 0.13
0.19/0.28	c     1482    118     1621    28513   17     5466    4082   1523   9036 0.16
0.19/0.28	c     2296    114     2453    36733   14     7147    4491   2355   9566 0.24
0.19/0.28	v x134 -x178 x218 x4 x180 x8 x9 -x97 x185 -x225 x186 -x226 -x11 -x99 x143 -x187 x227 x100 x13 x14 x15 -x59 -x104 x61 -x105 -x149 x230 x62 x20 -x108 -x109 x153 -x22 -x110 x154 -x111 x155 x112 x192 -x232 -x27 x71 x237 x118 x198 -x238 -x199 x239 x119 -x200 x240 x164 x121 -x202 x242 -x203 x243 x122 x204 -x244 -x124 x168 -x206 x246 x125 x247 -x38 -x126 x170 -x208 x248 x127 x249 -x40 x172 x250 -x213 x253 x130 x214 -x254 x131 -x215 x255 x132 -x216 x256 x133 x257 -x2 -x46 -x90 -x91 -x179 -x48 -x220 -x222 -x224 -x53 -x141 -x12 -x56 -x144 -x228 -x57 -x145 -x229 -x58 -x146 -x103 -x147 -x16 -x148 -x18 -x150 -x19 -x63 -x107 x151 -x152 -x66 -x24 -x68 -x156 x25 -x69 -x113 -x157 -x191 x231 -x159 -x233 -x234 -x235 -x236 -x30 -x74 -x162 -x31 -x75 -x163 -x76 -x120 -x241 -x33 -x77 -x165 -x34 -x166 -x35 -x79 -x245 -x80 -x81 -x169 -x82 -x39 -x83 -x171 -x84 -x128 -x42 -x86 -x174 -x43 -x87 -x175 -x44 -x88 -x176 -x177 -x217 x1 -x3 -x5 -x6 x7 -x10 -x17 -x21 -x23 -x26 x28 -x29 -x32 -x36 -x37 -x41 -x45 x47 x49 x50 -x51 -x52 x54 -x55 x60 -x64 -x65 -x67 x70 -x72 x73 -x78 x85 -x89 -x92 -x93 -x94 -x95 -x96 -x98 -x101 -x102 -x106 -x114 -x115 -x116 -x117 -x123 -x129 -x135 -x136 -x137 -x138 -x139 -x140 -x142 -x158 -x160 -x161 x167 -x173 x181 x182 -x183 x184 x188 x189 -x190 x193 x194 x195 x196 -x197 x201 x205 -x207 -x209 -x210 -x211 -x212 x219 -x221 x223 x251 x252 
0.19/0.28	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.19/0.28	c   20     2759    727     4876     2920    40152   2822   9646 0.29
0.19/0.28	c Objective: 304
0.19/0.28	s OPTIMUM FOUND
0.19/0.28	c Total time: 0.286 s

Verifier Data 

OK	304

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1877687-1245163468/watcher-1877687-1245163468 -o /tmp/evaluation-result-1877687-1245163468/solver-1877687-1245163468 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1877687-1245163468.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 0.97 0.91 3/65 18590
/proc/meminfo: memFree=225752/2055920 swapFree=4192812/4192956
[pid=18590] ppid=18588 vsize=10712 CPUtime=0
/proc/18590/stat : 18590 (bsolo) R 18588 18590 18475 0 -1 4194304 271 0 0 0 0 0 0 0 20 0 1 0 183945515 10969088 253 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18590/statm: 2678 253 197 640 0 2034 0

[startup+0.0865471 s]
/proc/loadavg: 1.00 0.97 0.91 3/65 18590
/proc/meminfo: memFree=225752/2055920 swapFree=4192812/4192956
[pid=18590] ppid=18588 vsize=10960 CPUtime=0.08
/proc/18590/stat : 18590 (bsolo) R 18588 18590 18475 0 -1 4194304 341 0 0 0 8 0 0 0 20 0 1 0 183945515 11223040 323 1992294400 134512640 137136520 4294956256 18446744073709551615 134544176 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18590/statm: 2740 323 197 640 0 2096 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 10960

[startup+0.102551 s]
/proc/loadavg: 1.00 0.97 0.91 3/65 18590
/proc/meminfo: memFree=225752/2055920 swapFree=4192812/4192956
[pid=18590] ppid=18588 vsize=11088 CPUtime=0.09
/proc/18590/stat : 18590 (bsolo) R 18588 18590 18475 0 -1 4194304 358 0 0 0 9 0 0 0 20 0 1 0 183945515 11354112 340 1992294400 134512640 137136520 4294956256 18446744073709551615 134551969 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18590/statm: 2772 340 197 640 0 2128 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11088

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

[startup+0.202581 s]
/proc/loadavg: 1.00 0.97 0.91 3/65 18590
/proc/meminfo: memFree=225752/2055920 swapFree=4192812/4192956
[pid=18590] ppid=18588 vsize=11352 CPUtime=0.19
/proc/18590/stat : 18590 (bsolo) R 18588 18590 18475 0 -1 4194304 433 0 0 0 19 0 0 0 21 0 1 0 183945515 11624448 415 1992294400 134512640 137136520 4294956256 18446744073709551615 134616556 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18590/statm: 2838 415 197 640 0 2194 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 11352

Child status: 0
Real time (s): 0.288393
CPU time (s): 0.287955
CPU user time (s): 0.282956
CPU system time (s): 0.004999
CPU usage (%): 99.8481
Max. virtual memory (cumulated for all children) (KiB): 11352

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.282956
system time used= 0.004999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 486
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 0.008998 second system time

The end

Launcher Data 

Begin job on node77 at 2009-06-16 16:44:28
IDJOB=1877687
IDBENCH=2232
IDSOLVER=699
FILE ID=node77/1877687-1245163468
PBS_JOBID= 9363869
Free space on /tmp= 66320 MiB

SOLVER NAME= bsolo 3.1
BENCH NAME= PB06//final/normalized-PB06/OPT-SMALLINT/web/www.ps.uni-sb.de/~walser/benchmarks/course-ass/normalized-ss97-6.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1877687-1245163468/watcher-1877687-1245163468 -o /tmp/evaluation-result-1877687-1245163468/solver-1877687-1245163468 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1877687-1245163468.opb

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

MD5SUM BENCH= dcfce19ac0444148b26b7675e35c76bc
RANDOM SEED=403716513

node77.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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:        226168 kB
Buffers:         40416 kB
Cached:        1691476 kB
SwapCached:          0 kB
Active:        1004500 kB
Inactive:       740716 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        226168 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3944 kB
Writeback:           0 kB
Mapped:          23064 kB
Slab:            70404 kB
Committed_AS:   111644 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-1877687-1245163468.opb

Free space on /tmp at the end= 66316 MiB
End job on node77 at 2009-06-16 16:44:28