Trace number 2702369

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 NameAnswerobjective functionCPU timeWall clock time
wbo 1.4b (fixed)OPT3 0.454929 0.454998

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
manquinho/mds/normalized-mds_50_25_1.opb
MD5SUM3c8b2b83a32c4c8e761f030b6789f3c6
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 benchmark1.09483
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 variables50
Total number of constraints50
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 constraints50
Minimum length of a constraint26
Maximum length of a constraint38
Number of terms in the objective function 50
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 50
Number of bits of the sum of numbers in the objective function 6
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 50
Number of bits of the biggest sum of numbers6
Number of products (including duplicates)1498
Sum of products size (including duplicates)2996
Number of different products1498
Sum of products size2996

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 wbo 1.4 beta - 20100610
0.00/0.00	c Parsing opb file format. File HOME/instance-2702369-1278564816.opb.
0.00/0.00	c Instance file HOME/instance-2702369-1278564816.opb
0.00/0.00	c File size is 104873 bytes.
0.00/0.02	c Highest Coefficient sum: 39
0.00/0.02	c ============================[ Problem Statistics ]=============================
0.00/0.02	c |                                                                             |
0.00/0.02	c |  Parsing time:          0.02         s                                      |
0.00/0.02	c |  Number Variables:      1548                                                |
0.00/0.02	c |  Number Clauses:        1548                                                |
0.00/0.02	c |  Number Cardinality:    0                                                   |
0.00/0.02	c |  Number PB Constraints: 1498                                                |
0.00/0.02	c ============================[ Search Statistics ]==============================
0.00/0.02	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.02	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.02	c ===============================================================================
0.00/0.02	c |         0 |    1548     3046    10536 |     5000        0    nan |  0.000 % |
0.02/0.02	c ===============================================================================
0.02/0.02	c New solution: 49
0.02/0.02	o 49
0.02/0.02	c Elapsed CPU time: 0.022996 s	Remaining CPU time: 179.977 s
0.02/0.02	c ===============================================================================
0.02/0.02	c |         0 |    1548     3047    10586 |     5000        0    nan |  0.000 % |
0.02/0.02	c ===============================================================================
0.02/0.02	c New solution: 48
0.02/0.02	o 48
0.02/0.02	c Elapsed CPU time: 0.023996 s	Remaining CPU time: 179.976 s
0.02/0.02	c ===============================================================================
0.02/0.02	c |         0 |    1548     3048    10636 |     5000        0    nan |  0.000 % |
0.02/0.02	c ===============================================================================
0.02/0.02	c New solution: 47
0.02/0.02	o 47
0.02/0.02	c Elapsed CPU time: 0.024996 s	Remaining CPU time: 179.975 s
0.02/0.02	c ===============================================================================
0.02/0.02	c |         0 |    1548     3049    10686 |     5000        0    nan |  0.000 % |
0.02/0.02	c ===============================================================================
0.02/0.02	c New solution: 46
0.02/0.02	o 46
0.02/0.02	c Elapsed CPU time: 0.025996 s	Remaining CPU time: 179.974 s
0.02/0.02	c ===============================================================================
0.02/0.02	c |         0 |    1548     3050    10736 |     5000        0    nan |  0.000 % |
0.02/0.02	c ===============================================================================
0.02/0.02	c New solution: 45
0.02/0.02	o 45
0.02/0.02	c Elapsed CPU time: 0.026995 s	Remaining CPU time: 179.973 s
0.02/0.02	c ===============================================================================
0.02/0.02	c |         0 |    1548     3051    10786 |     5000        0    nan |  0.000 % |
0.02/0.03	c ===============================================================================
0.02/0.03	c New solution: 44
0.02/0.03	o 44
0.02/0.03	c Elapsed CPU time: 0.027995 s	Remaining CPU time: 179.972 s
0.02/0.03	c ===============================================================================
0.02/0.03	c |         0 |    1548     3052    10836 |     5000        0    nan |  0.000 % |
0.02/0.03	c ===============================================================================
0.02/0.03	c New solution: 41
0.02/0.03	o 41
0.02/0.03	c Elapsed CPU time: 0.028995 s	Remaining CPU time: 179.971 s
0.02/0.03	c ===============================================================================
0.02/0.03	c |         0 |    1548     3053    10886 |     5000        0    nan |  0.000 % |
0.02/0.03	c ===============================================================================
0.02/0.03	c New solution: 34
0.02/0.03	o 34
0.02/0.03	c Elapsed CPU time: 0.029995 s	Remaining CPU time: 179.97 s
0.02/0.03	c ===============================================================================
0.02/0.03	c |         0 |    1548     3054    10936 |     5000        0    nan |  0.000 % |
0.02/0.03	c ===============================================================================
0.02/0.03	c New solution: 33
0.02/0.03	o 33
0.02/0.03	c Elapsed CPU time: 0.030995 s	Remaining CPU time: 179.969 s
0.02/0.03	c ===============================================================================
0.02/0.03	c |         0 |    1548     3055    10986 |     5000        0    nan |  0.000 % |
0.02/0.03	c ===============================================================================
0.02/0.03	c New solution: 32
0.02/0.03	o 32
0.02/0.03	c Elapsed CPU time: 0.032994 s	Remaining CPU time: 179.967 s
0.02/0.03	c ===============================================================================
0.02/0.03	c |         0 |    1548     3056    11036 |     5000        0    nan |  0.000 % |
0.02/0.03	c ===============================================================================
0.02/0.03	c New solution: 31
0.02/0.03	o 31
0.02/0.03	c Elapsed CPU time: 0.033994 s	Remaining CPU time: 179.966 s
0.02/0.03	c ===============================================================================
0.02/0.03	c |         0 |    1548     3057    11086 |     5000        0    nan |  0.000 % |
0.02/0.03	c ===============================================================================
0.02/0.03	c New solution: 29
0.02/0.03	o 29
0.02/0.03	c Elapsed CPU time: 0.034994 s	Remaining CPU time: 179.965 s
0.02/0.03	c ===============================================================================
0.02/0.03	c |         1 |    1548     3058    11136 |     5000        1     31 |  0.000 % |
0.02/0.03	c ===============================================================================
0.02/0.03	c New solution: 3
0.02/0.03	o 3
0.02/0.03	c Elapsed CPU time: 0.035994 s	Remaining CPU time: 179.964 s
0.02/0.03	c ===============================================================================
0.02/0.03	c |         1 |    1548     3059    11186 |     5000        1     31 |  0.000 % |
0.02/0.05	c |       103 |    1548     3059    11186 |     5500      103    116 |  0.001 % |
0.02/0.07	c |       257 |    1548     3059    11186 |     6050      257    195 |  0.001 % |
0.09/0.12	c |       483 |    1548     3059    11186 |     6655      483    185 |  0.001 % |
0.09/0.18	c |       823 |    1548     3059    11186 |     7320      823    154 |  0.001 % |
0.19/0.29	c |      1329 |    1548     3059    11186 |     8052     1329    158 |  0.001 % |
0.39/0.45	c ===============================================================================
0.39/0.45	c Best Solution: 3
0.39/0.45	s OPTIMUM FOUND
0.39/0.45	c Total CPU time: 0.446932 s
0.39/0.45	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 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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-2702369-1278564816/watcher-2702369-1278564816 -o /tmp/evaluation-result-2702369-1278564816/solver-2702369-1278564816 -C 1800 -W 2000 -M 1800 wbo1.4b -file-format=opb -time-limit=1800 HOME/instance-2702369-1278564816.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: 1.08 1.06 1.00 3/106 31769
/proc/meminfo: memFree=1501804/2059040 swapFree=4192956/4192956
[pid=31769] ppid=31767 vsize=2812 CPUtime=0
/proc/31769/stat : 31769 (wbo1.4b) R 31767 31769 31536 0 -1 4202496 325 0 0 0 0 0 0 0 17 0 1 0 24694790 2879488 245 1992294400 134512640 135752675 4291557056 18446744073709551615 135207291 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/31769/statm: 703 245 140 303 0 372 0

[startup+0.0251869 s]
/proc/loadavg: 1.08 1.06 1.00 3/106 31769
/proc/meminfo: memFree=1501804/2059040 swapFree=4192956/4192956
[pid=31769] ppid=31767 vsize=3084 CPUtime=0.02
/proc/31769/stat : 31769 (wbo1.4b) R 31767 31769 31536 0 -1 4202496 477 0 0 0 2 0 0 0 17 0 1 0 24694790 3158016 350 1992294400 134512640 135752675 4291557056 18446744073709551615 134519008 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/31769/statm: 771 350 143 303 0 466 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 3084

[startup+0.101229 s]
/proc/loadavg: 1.08 1.06 1.00 3/106 31769
/proc/meminfo: memFree=1501804/2059040 swapFree=4192956/4192956
[pid=31769] ppid=31767 vsize=3480 CPUtime=0.09
/proc/31769/stat : 31769 (wbo1.4b) R 31767 31769 31536 0 -1 4202496 551 0 0 0 9 0 0 0 17 0 1 0 24694790 3563520 424 1992294400 134512640 135752675 4291557056 18446744073709551615 134639877 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/31769/statm: 870 424 145 303 0 565 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3480

[startup+0.301246 s]
/proc/loadavg: 1.08 1.06 1.00 3/106 31769
/proc/meminfo: memFree=1501804/2059040 swapFree=4192956/4192956
[pid=31769] ppid=31767 vsize=4140 CPUtime=0.29
/proc/31769/stat : 31769 (wbo1.4b) R 31767 31769 31536 0 -1 4202496 728 0 0 0 29 0 0 0 17 0 1 0 24694790 4239360 601 1992294400 134512640 135752675 4291557056 18446744073709551615 135207291 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/31769/statm: 1035 601 145 303 0 730 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4140

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

[startup+0.401267 s]
/proc/loadavg: 1.08 1.06 1.00 3/106 31769
/proc/meminfo: memFree=1501804/2059040 swapFree=4192956/4192956
[pid=31769] ppid=31767 vsize=4404 CPUtime=0.39
/proc/31769/stat : 31769 (wbo1.4b) R 31767 31769 31536 0 -1 4202496 799 0 0 0 39 0 0 0 17 0 1 0 24694790 4509696 672 1992294400 134512640 135752675 4291557056 18446744073709551615 135271249 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/31769/statm: 1101 672 145 303 0 796 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 4404

Child status: 0
Real time (s): 0.454998
CPU time (s): 0.454929
CPU user time (s): 0.447931
CPU system time (s): 0.006998
CPU usage (%): 99.9848
Max. virtual memory (cumulated for all children) (KiB): 4404

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.447931
system time used= 0.006998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 822
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= 1

runsolver used 0.004999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node010 at 2010-07-08 06:53:36
IDJOB=2702369
IDBENCH=48119
IDSOLVER=1190
FILE ID=node010/2702369-1278564816
PBS_JOBID= 11239556
Free space on /tmp= 62520 MiB

SOLVER NAME= wbo 1.4b (fixed)
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/manquinho/mds/normalized-mds_50_25_1.opb
COMMAND LINE= wbo1.4b -file-format=opb -time-limit=TIMEOUT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2702369-1278564816/watcher-2702369-1278564816 -o /tmp/evaluation-result-2702369-1278564816/solver-2702369-1278564816 -C 1800 -W 2000 -M 1800  wbo1.4b -file-format=opb -time-limit=1800 HOME/instance-2702369-1278564816.opb

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

MD5SUM BENCH= 3c8b2b83a32c4c8e761f030b6789f3c6
RANDOM SEED=2083608863

node010.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/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		: 3000.258
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.51
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		: 3000.258
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.44
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1502704 kB
Buffers:         89212 kB
Cached:         316916 kB
SwapCached:          0 kB
Active:         184764 kB
Inactive:       281080 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1502704 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            2616 kB
Writeback:           0 kB
AnonPages:       59596 kB
Mapped:          14536 kB
Slab:            68600 kB
PageTables:       4188 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   179984 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-2702369-1278564816.opb

Free space on /tmp at the end= 62520 MiB
End job on node010 at 2010-07-08 06:53:37