Trace number 1874994

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 NameAnswerCPU timeWall clock time
wbo 1.0SAT 1.58076 1.58153

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_50_25_1_5.opb
MD5SUMd6d85d35b0f961666d5965433f22c8bb
Bench CategoryDEC-SMALLINT-NLC (no optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.122981
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables100
Total number of constraints152
Number of constraints which are clauses50
Number of constraints which are cardinality constraints (but not clauses)1
Number of constraints which are nor clauses,nor cardinality constraints101
Minimum length of a constraint2
Maximum length of a constraint100
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 5
Number of bits of the biggest number in a constraint 3
Biggest sum of numbers in a constraint 100
Number of bits of the biggest sum of numbers7
Number of products (including duplicates)2996
Sum of products size (including duplicates)5992
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-1874994-1245215631.opb.
0.00/0.00	c Instance file HOME/instance-1874994-1245215631.opb
0.00/0.00	c File size is 120404 bytes.
0.01/0.02	c Highest Coefficient sum: 100
0.01/0.02	c ============================[ Problem Statistics ]=============================
0.01/0.02	c |                                                                             |
0.01/0.02	c |  Parsing time:          0.02         s                                      |
0.01/0.02	c |  Number Variables:      1598                                                |
0.01/0.02	c |  Number Clauses:        1548                                                |
0.01/0.02	c |  Number Cardinality:    103                                                 |
0.01/0.02	c |  Number PB Constraints: 1498                                                |
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 |    1598     3149    12334 |     5000        0    nan |  0.000 % |
0.01/0.03	c |       101 |    1598     3149    12334 |     5500      101     79 |  0.001 % |
0.01/0.05	c |       256 |    1598     3149    12334 |     6050      256     75 |  0.001 % |
0.01/0.08	c |       485 |    1598     3149    12334 |     6655      485     73 |  0.001 % |
0.09/0.11	c |       828 |    1598     3149    12334 |     7320      828     81 |  0.001 % |
0.09/0.15	c |      1334 |    1598     3149    12334 |     8052     1334     83 |  0.001 % |
0.19/0.23	c |      2093 |    1598     3149    12334 |     8857     2093     83 |  0.001 % |
0.39/0.44	c |      3239 |    1598     3149    12334 |     9743     3239     84 |  0.001 % |
0.79/0.85	c |      4966 |    1598     3149    12334 |    10717     4966     85 |  0.001 % |
1.39/1.50	c |      7529 |    1598     3149    12334 |    11789     7529     83 |  0.001 % |
1.49/1.57	c ===============================================================================
1.49/1.58	c Verified 3149 original clauses.
1.49/1.58	c #cores: 0
1.49/1.58	c Final Weight: 0
1.49/1.58	s SATISFIABLE
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Verifier Data 

OK	0

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1874994-1245215631/watcher-1874994-1245215631 -o /tmp/evaluation-result-1874994-1245215631/solver-1874994-1245215631 -C 1800 -W 2000 -M 1800 wbo -file-format=opb -time-limit=1800 HOME/instance-1874994-1245215631.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 16032
/proc/meminfo: memFree=1858800/2055920 swapFree=4181840/4192956
[pid=16032] ppid=16030 vsize=2796 CPUtime=0
/proc/16032/stat : 16032 (wbo) R 16030 16032 15125 0 -1 4194304 245 0 0 0 0 0 0 0 18 0 1 0 189163465 2863104 229 1992294400 134512640 135709839 4294956240 18446744073709551615 134547798 0 0 4096 3 0 0 0 17 1 0 0
/proc/16032/statm: 699 230 126 292 0 374 0

[startup+0.0147791 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 16032
/proc/meminfo: memFree=1858800/2055920 swapFree=4181840/4192956
[pid=16032] ppid=16030 vsize=3060 CPUtime=0.01
/proc/16032/stat : 16032 (wbo) R 16030 16032 15125 0 -1 4194304 308 0 0 0 1 0 0 0 18 0 1 0 189163465 3133440 292 1992294400 134512640 135709839 4294956240 18446744073709551615 135168571 0 0 4096 3 0 0 0 17 1 0 0
/proc/16032/statm: 765 293 141 292 0 440 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 3060

[startup+0.101787 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 16032
/proc/meminfo: memFree=1858800/2055920 swapFree=4181840/4192956
[pid=16032] ppid=16030 vsize=3464 CPUtime=0.09
/proc/16032/stat : 16032 (wbo) R 16030 16032 15125 0 -1 4194304 469 0 0 0 9 0 0 0 18 0 1 0 189163465 3547136 423 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/16032/statm: 866 424 135 292 0 571 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3464

[startup+0.301807 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 16032
/proc/meminfo: memFree=1858800/2055920 swapFree=4181840/4192956
[pid=16032] ppid=16030 vsize=4364 CPUtime=0.29
/proc/16032/stat : 16032 (wbo) R 16030 16032 15125 0 -1 4194304 690 0 0 0 29 0 0 0 19 0 1 0 189163465 4468736 644 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/16032/statm: 1091 644 135 292 0 796 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4364

[startup+0.701848 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 16032
/proc/meminfo: memFree=1858800/2055920 swapFree=4181840/4192956
[pid=16032] ppid=16030 vsize=5408 CPUtime=0.69
/proc/16032/stat : 16032 (wbo) R 16030 16032 15125 0 -1 4194304 957 0 0 0 68 1 0 0 22 0 1 0 189163465 5537792 911 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/16032/statm: 1352 911 135 292 0 1057 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5408

[startup+1.50193 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 16033
/proc/meminfo: memFree=1854952/2055920 swapFree=4181840/4192956
[pid=16032] ppid=16030 vsize=7268 CPUtime=1.49
/proc/16032/stat : 16032 (wbo) R 16030 16032 15125 0 -1 4194304 1414 0 0 0 148 1 0 0 25 0 1 0 189163465 7442432 1368 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/16032/statm: 1817 1368 135 292 0 1522 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7268

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

Child status: 0
Real time (s): 1.58153
CPU time (s): 1.58076
CPU user time (s): 1.55876
CPU system time (s): 0.021996
CPU usage (%): 99.9514
Max. virtual memory (cumulated for all children) (KiB): 7268

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.55876
system time used= 0.021996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1436
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 0.004999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node24 at 2009-06-17 07:13:51
IDJOB=1874994
IDBENCH=48339
IDSOLVER=698
FILE ID=node24/1874994-1245215631
PBS_JOBID= 9368355
Free space on /tmp= 66364 MiB

SOLVER NAME= wbo 1.0
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_50_25_1_5.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-1874994-1245215631/watcher-1874994-1245215631 -o /tmp/evaluation-result-1874994-1245215631/solver-1874994-1245215631 -C 1800 -W 2000 -M 1800  wbo -file-format=opb -time-limit=1800 HOME/instance-1874994-1245215631.opb

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

MD5SUM BENCH= d6d85d35b0f961666d5965433f22c8bb
RANDOM SEED=1114370532

node24.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		: 3000.231
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		: 3000.231
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:       1859344 kB
Buffers:         27116 kB
Cached:          96480 kB
SwapCached:       5332 kB
Active:          22992 kB
Inactive:       108388 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1859344 kB
SwapTotal:     4192956 kB
SwapFree:      4181840 kB
Dirty:            2512 kB
Writeback:           0 kB
Mapped:          13028 kB
Slab:            51016 kB
Committed_AS:   216556 kB
PageTables:       1444 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-1874994-1245215631.opb

Free space on /tmp at the end= 66360 MiB
End job on node24 at 2009-06-17 07:13:53