Trace number 1875279

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
wbo 1.0OPT3 0.51592 0.51665

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 benchmark0.317951
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

Solver Data 

0.00/0.00	c This is wbo 1.0 alpha (based on Minisat 2.0 beta)
0.00/0.00	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c Parsing opb file format. File HOME/instance-1875279-1245191635.opb.
0.00/0.00	c Instance file HOME/instance-1875279-1245191635.opb
0.00/0.00	c File size is 104873 bytes.
0.00/0.01	c Highest Coefficient sum: 39
0.00/0.01	c ============================[ Problem Statistics ]=============================
0.00/0.01	c |                                                                             |
0.00/0.01	c |  Parsing time:          0.01         s                                      |
0.00/0.01	c |  Number Variables:      1548                                                |
0.00/0.01	c |  Number Clauses:        1598                                                |
0.00/0.01	c |  Number Cardinality:    0                                                   |
0.00/0.01	c |  Number PB Constraints: 1498                                                |
0.00/0.01	c core #1
0.00/0.01	c Core size: 52	Core Weight: 1	Total Weight: 1
0.00/0.01	c Elapsed CPU time: 0.014997 s	Remaining CPU time: 1799.99 s
0.01/0.02	c ============================[ Search Statistics ]==============================
0.01/0.02	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.01/0.02	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.01/0.02	c ===============================================================================
0.01/0.02	c |         0 |     850     3097     8514 |     5000        0    nan |  0.000 % |
0.01/0.02	c ===============================================================================
0.01/0.02	c core #2
0.01/0.02	c Core size: 539	Core Weight: 1	Total Weight: 2
0.01/0.02	c Elapsed CPU time: 0.022996 s	Remaining CPU time: 1799.98 s
0.01/0.03	c ============================[ Search Statistics ]==============================
0.01/0.03	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.01/0.03	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.01/0.03	c ===============================================================================
0.01/0.03	c |         0 |    1624     3098    10738 |     5000        0    nan |  0.000 % |
0.01/0.04	c |       103 |    1624     3098    10738 |     5500      103    115 |  0.001 % |
0.01/0.07	c |       256 |    1624     3098    10738 |     6050      256    126 |  0.000 % |
0.09/0.12	c |       483 |    1624     3098    10738 |     6655      483    206 |  0.000 % |
0.19/0.21	c |       820 |    1624     3098    10738 |     7320      820    222 |  0.000 % |
0.29/0.37	c |      1328 |    1624     3098    10738 |     8052     1328    193 |  0.000 % |
0.39/0.47	c ===============================================================================
0.39/0.49	c core #3
0.39/0.49	c Core size: 1751	Core Weight: 1	Total Weight: 3
0.39/0.49	c Elapsed CPU time: 0.482926 s	Remaining CPU time: 1799.52 s
0.39/0.49	c ============================[ Search Statistics ]==============================
0.39/0.49	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.39/0.49	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.39/0.49	c ===============================================================================
0.39/0.49	c |         0 |    1674     3099    10838 |     5000        0    nan |  0.000 % |
0.49/0.51	c |       104 |    1674     3099    10838 |     5500      104    113 |  0.001 % |
0.49/0.51	c ===============================================================================
0.49/0.51	c Verified 3099 original clauses.
0.49/0.51	c #cores: 3
0.49/0.51	c Final Weight: 3
0.49/0.51	o 3
0.49/0.51	s OPTIMUM FOUND
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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-1875279-1245191635/watcher-1875279-1245191635 -o /tmp/evaluation-result-1875279-1245191635/solver-1875279-1245191635 -C 1800 -W 2000 -M 1800 wbo -file-format=opb -time-limit=1800 HOME/instance-1875279-1245191635.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 13428
/proc/meminfo: memFree=1849752/2055920 swapFree=4192952/4192956
[pid=13428] ppid=13426 vsize=2788 CPUtime=0
/proc/13428/stat : 13428 (wbo) R 13426 13428 12171 0 -1 4194304 240 0 0 0 0 0 0 0 18 0 1 0 71866353 2854912 224 1992294400 134512640 135709839 4294956240 18446744073709551615 134540467 0 0 4096 3 0 0 0 17 1 0 0
/proc/13428/statm: 697 224 128 292 0 376 0

[startup+0.0198629 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 13428
/proc/meminfo: memFree=1849752/2055920 swapFree=4192952/4192956
[pid=13428] ppid=13426 vsize=3228 CPUtime=0.01
/proc/13428/stat : 13428 (wbo) R 13426 13428 12171 0 -1 4194304 409 0 0 0 1 0 0 0 18 0 1 0 71866353 3305472 367 1992294400 134512640 135709839 4294956240 18446744073709551615 135168571 0 0 4096 3 0 0 0 17 1 0 0
/proc/13428/statm: 807 367 134 292 0 512 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 3228

[startup+0.101872 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 13428
/proc/meminfo: memFree=1849752/2055920 swapFree=4192952/4192956
[pid=13428] ppid=13426 vsize=3656 CPUtime=0.09
/proc/13428/stat : 13428 (wbo) R 13426 13428 12171 0 -1 4194304 531 0 0 0 9 0 0 0 18 0 1 0 71866353 3743744 489 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/13428/statm: 914 489 136 292 0 619 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3656

[startup+0.301894 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 13428
/proc/meminfo: memFree=1849752/2055920 swapFree=4192952/4192956
[pid=13428] ppid=13426 vsize=4580 CPUtime=0.29
/proc/13428/stat : 13428 (wbo) R 13426 13428 12171 0 -1 4194304 762 0 0 0 29 0 0 0 19 0 1 0 71866353 4689920 720 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/13428/statm: 1145 720 136 292 0 850 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4580

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

[startup+0.501917 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 13428
/proc/meminfo: memFree=1849752/2055920 swapFree=4192952/4192956
[pid=13428] ppid=13426 vsize=5672 CPUtime=0.49
/proc/13428/stat : 13428 (wbo) R 13426 13428 12171 0 -1 4194304 1037 0 0 0 49 0 0 0 21 0 1 0 71866353 5808128 995 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/13428/statm: 1418 995 136 292 0 1123 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 5672

Child status: 0
Real time (s): 0.51665
CPU time (s): 0.51592
CPU user time (s): 0.507922
CPU system time (s): 0.007998
CPU usage (%): 99.8587
Max. virtual memory (cumulated for all children) (KiB): 5672

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.507922
system time used= 0.007998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1037
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 0.005999 second system time

The end

Launcher Data 

Begin job on node20 at 2009-06-17 00:33:55
IDJOB=1875279
IDBENCH=48119
IDSOLVER=698
FILE ID=node20/1875279-1245191635
PBS_JOBID= 9368283
Free space on /tmp= 66324 MiB

SOLVER NAME= wbo 1.0
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/manquinho/mds/normalized-mds_50_25_1.opb
COMMAND LINE= wbo -file-format=opb -time-limit=TIMEOUT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1875279-1245191635/watcher-1875279-1245191635 -o /tmp/evaluation-result-1875279-1245191635/solver-1875279-1245191635 -C 1800 -W 2000 -M 1800  wbo -file-format=opb -time-limit=1800 HOME/instance-1875279-1245191635.opb

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

MD5SUM BENCH= 3c8b2b83a32c4c8e761f030b6789f3c6
RANDOM SEED=1034974818

node20.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		: 3000.234
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		: 3000.234
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:       1850360 kB
Buffers:         44084 kB
Cached:          77088 kB
SwapCached:          4 kB
Active:          47480 kB
Inactive:        87148 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1850360 kB
SwapTotal:     4192956 kB
SwapFree:      4192952 kB
Dirty:            2396 kB
Writeback:           0 kB
Mapped:          23232 kB
Slab:            56984 kB
Committed_AS:   143248 kB
PageTables:       1400 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-1875279-1245191635.opb

Free space on /tmp at the end= 66320 MiB
End job on node20 at 2009-06-17 00:33:56