Trace number 1875903

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 1.0UNSAT 16.2105 16.2161

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111216411.opb
MD5SUM397157a6f828ea3df1ef5823bec1442b
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark0.377942
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables169
Total number of constraints101
Number of constraints which are clauses30
Number of constraints which are cardinality constraints (but not clauses)70
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint169
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 38
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 1200
Number of bits of the biggest sum of numbers11
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

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-1875903-1245115923.opb.
0.00/0.00	c Instance file HOME/instance-1875903-1245115923.opb
0.00/0.00	c File size is 9904 bytes.
0.00/0.00	c Highest Coefficient sum: 1200
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Parsing time:          0.00         s                                      |
0.00/0.00	c |  Number Variables:      169                                                 |
0.00/0.00	c |  Number Clauses:        30                                                  |
0.00/0.00	c |  Number Cardinality:    70                                                  |
0.00/0.00	c |  Number PB Constraints: 1                                                   |
0.00/0.00	c ============================[ Search Statistics ]==============================
0.00/0.00	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.00	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.00	c ===============================================================================
0.00/0.00	c |         0 |     169      101     1205 |     5000        0    nan |  0.000 % |
0.00/0.00	c |       101 |     169      101     1205 |     5500      101     37 |  0.004 % |
0.00/0.01	c |       252 |     169      101     1205 |     6050      252     39 |  0.004 % |
0.00/0.02	c |       479 |     169      101     1205 |     6655      479     35 |  0.004 % |
0.00/0.04	c |       818 |     169      101     1205 |     7320      818     34 |  0.004 % |
0.00/0.07	c |      1324 |     169      101     1205 |     8052     1324     35 |  0.004 % |
0.09/0.11	c |      2083 |     169      101     1205 |     8857     2083     37 |  0.004 % |
0.19/0.20	c |      3222 |     169      101     1205 |     9743     3222     39 |  0.004 % |
0.29/0.33	c |      4932 |     169      101     1205 |    10717     4932     40 |  0.004 % |
0.49/0.59	c |      7494 |     169      101     1205 |    11789     7494     43 |  0.004 % |
1.10/1.12	c |     11338 |     169      101     1205 |    12968    11338     45 |  0.004 % |
1.99/2.01	c |     17105 |     169      101     1205 |    14265    10570     48 |  0.004 % |
3.39/3.45	c |     25756 |     169      101     1205 |    15692    12033     47 |  0.004 % |
5.79/5.85	c |     38730 |     169      101     1205 |    17261     9208     50 |  0.004 % |
9.69/9.70	c |     58193 |     169      101     1205 |    18987    11308     53 |  0.004 % |
15.18/15.22	c ===============================================================================
16.18/16.21	c core #1
16.18/16.21	c Core size: 99	Core Weight: 2147483647	Total Weight: 2147483647
16.18/16.21	c restarts              : 15
16.18/16.21	c conflicts             : 84029          (5244 /sec)
16.18/16.21	c decisions             : 111784         (1.17 % random) (6976 /sec)
16.18/16.21	c propagations          : 1689177        (105412 /sec)
16.18/16.21	c conflict literals     : 4426174        (0.00 % deleted)
16.18/16.21	c Memory used           : 36.56 MB
16.18/16.21	c CPU time              : 16.0246 s
16.18/16.21	c 
16.18/16.21	s UNSATISFIABLE

Verifier Data 

ERROR: no interpretation found !

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1875903-1245115923/watcher-1875903-1245115923 -o /tmp/evaluation-result-1875903-1245115923/solver-1875903-1245115923 -C 1800 -W 2000 -M 1800 wbo -file-format=opb -time-limit=1800 HOME/instance-1875903-1245115923.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: 1.04 1.01 1.06 3/64 30443
/proc/meminfo: memFree=1382756/2055920 swapFree=4181368/4192956
[pid=30443] ppid=30441 vsize=2524 CPUtime=0
/proc/30443/stat : 30443 (wbo) R 30441 30443 29817 0 -1 4194304 201 0 0 0 0 0 0 0 18 0 1 0 179189519 2584576 182 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/30443/statm: 631 182 134 292 0 336 0

[startup+0.100991 s]
/proc/loadavg: 1.04 1.01 1.06 3/64 30443
/proc/meminfo: memFree=1382756/2055920 swapFree=4181368/4192956
[pid=30443] ppid=30441 vsize=3052 CPUtime=0.09
/proc/30443/stat : 30443 (wbo) R 30441 30443 29817 0 -1 4194304 348 0 0 0 9 0 0 0 18 0 1 0 179189519 3125248 329 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/30443/statm: 763 329 135 292 0 468 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3052

[startup+0.202008 s]
/proc/loadavg: 1.04 1.01 1.06 3/64 30443
/proc/meminfo: memFree=1382756/2055920 swapFree=4181368/4192956
[pid=30443] ppid=30441 vsize=3580 CPUtime=0.19
/proc/30443/stat : 30443 (wbo) R 30441 30443 29817 0 -1 4194304 474 0 0 0 19 0 0 0 18 0 1 0 179189519 3665920 455 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/30443/statm: 895 455 135 292 0 600 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 3580

[startup+0.302025 s]
/proc/loadavg: 1.04 1.01 1.06 3/64 30443
/proc/meminfo: memFree=1382756/2055920 swapFree=4181368/4192956
[pid=30443] ppid=30441 vsize=3976 CPUtime=0.29
/proc/30443/stat : 30443 (wbo) R 30441 30443 29817 0 -1 4194304 582 0 0 0 29 0 0 0 19 0 1 0 179189519 4071424 563 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/30443/statm: 994 563 135 292 0 699 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3976

[startup+0.701093 s]
/proc/loadavg: 1.04 1.01 1.06 3/64 30443
/proc/meminfo: memFree=1382756/2055920 swapFree=4181368/4192956
[pid=30443] ppid=30441 vsize=5460 CPUtime=0.68
/proc/30443/stat : 30443 (wbo) R 30441 30443 29817 0 -1 4194304 936 0 0 0 67 1 0 0 22 0 1 0 179189519 5591040 917 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/30443/statm: 1365 917 135 292 0 1070 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 5460

[startup+1.50123 s]
/proc/loadavg: 1.03 1.01 1.06 2/65 30444
/proc/meminfo: memFree=1378524/2055920 swapFree=4181368/4192956
[pid=30443] ppid=30441 vsize=7440 CPUtime=1.49
/proc/30443/stat : 30443 (wbo) R 30441 30443 29817 0 -1 4194304 1436 0 0 0 147 2 0 0 25 0 1 0 179189519 7618560 1417 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/30443/statm: 1860 1417 135 292 0 1565 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7440

[startup+3.1015 s]
/proc/loadavg: 1.03 1.01 1.06 2/65 30444
/proc/meminfo: memFree=1375772/2055920 swapFree=4181368/4192956
[pid=30443] ppid=30441 vsize=11136 CPUtime=3.09
/proc/30443/stat : 30443 (wbo) R 30441 30443 29817 0 -1 4194304 2352 0 0 0 305 4 0 0 25 0 1 0 179189519 11403264 2333 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/30443/statm: 2784 2333 135 292 0 2489 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 11136

[startup+6.30105 s]
/proc/loadavg: 1.03 1.01 1.06 2/65 30444
/proc/meminfo: memFree=1368668/2055920 swapFree=4181368/4192956
[pid=30443] ppid=30441 vsize=17740 CPUtime=6.29
/proc/30443/stat : 30443 (wbo) R 30441 30443 29817 0 -1 4194304 4033 0 0 0 621 8 0 0 25 0 1 0 179189519 18165760 4014 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/30443/statm: 4435 4014 135 292 0 4140 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 17740

[startup+12.7011 s]
/proc/loadavg: 1.03 1.01 1.06 2/65 30444
/proc/meminfo: memFree=1355812/2055920 swapFree=4181368/4192956
[pid=30443] ppid=30441 vsize=30044 CPUtime=12.68
/proc/30443/stat : 30443 (wbo) R 30441 30443 29817 0 -1 4194304 7104 0 0 0 1254 14 0 0 25 0 1 0 179189519 30765056 7085 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/30443/statm: 7511 7085 135 292 0 7216 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 30044

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

[startup+12.8012 s]
/proc/loadavg: 1.03 1.01 1.06 2/65 30444
/proc/meminfo: memFree=1355812/2055920 swapFree=4181368/4192956
[pid=30443] ppid=30441 vsize=30308 CPUtime=12.78
/proc/30443/stat : 30443 (wbo) R 30441 30443 29817 0 -1 4194304 7143 0 0 0 1264 14 0 0 25 0 1 0 179189519 31035392 7124 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/30443/statm: 7577 7124 135 292 0 7282 0
Current children cumulated CPU time (s) 12.78
Current children cumulated vsize (KiB) 30308

[startup+14.4054 s]
/proc/loadavg: 1.03 1.01 1.06 2/65 30444
/proc/meminfo: memFree=1351972/2055920 swapFree=4181368/4192956
[pid=30443] ppid=30441 vsize=32816 CPUtime=14.39
/proc/30443/stat : 30443 (wbo) R 30441 30443 29817 0 -1 4194304 7795 0 0 0 1423 16 0 0 25 0 1 0 179189519 33603584 7776 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/30443/statm: 8204 7776 135 292 0 7909 0
Current children cumulated CPU time (s) 14.39
Current children cumulated vsize (KiB) 32816

[startup+15.2016 s]
/proc/loadavg: 1.03 1.01 1.06 2/65 30444
/proc/meminfo: memFree=1351972/2055920 swapFree=4181368/4192956
[pid=30443] ppid=30441 vsize=34796 CPUtime=15.18
/proc/30443/stat : 30443 (wbo) R 30441 30443 29817 0 -1 4194304 8275 0 0 0 1501 17 0 0 25 0 1 0 179189519 35631104 8256 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/30443/statm: 8699 8256 135 292 0 8404 0
Current children cumulated CPU time (s) 15.18
Current children cumulated vsize (KiB) 34796

[startup+16.0017 s]
/proc/loadavg: 1.03 1.01 1.06 2/65 30444
/proc/meminfo: memFree=1348452/2055920 swapFree=4181368/4192956
[pid=30443] ppid=30441 vsize=37304 CPUtime=15.98
/proc/30443/stat : 30443 (wbo) R 30441 30443 29817 0 -1 4194304 8920 0 0 0 1581 17 0 0 25 0 1 0 179189519 38199296 8901 1992294400 134512640 135709839 4294956240 18446744073709551615 134584051 0 0 4096 3 0 0 0 17 1 0 0
/proc/30443/statm: 9326 8901 136 292 0 9031 0
Current children cumulated CPU time (s) 15.98
Current children cumulated vsize (KiB) 37304

[startup+16.2017 s]
/proc/loadavg: 1.03 1.01 1.06 2/65 30444
/proc/meminfo: memFree=1348452/2055920 swapFree=4181368/4192956
[pid=30443] ppid=30441 vsize=37304 CPUtime=16.18
/proc/30443/stat : 30443 (wbo) R 30441 30443 29817 0 -1 4194304 8920 0 0 0 1601 17 0 0 25 0 1 0 179189519 38199296 8901 1992294400 134512640 135709839 4294956240 18446744073709551615 134583733 0 0 4096 3 0 0 0 17 1 0 0
/proc/30443/statm: 9326 8901 136 292 0 9031 0
Current children cumulated CPU time (s) 16.18
Current children cumulated vsize (KiB) 37304

Child status: 0
Real time (s): 16.2161
CPU time (s): 16.2105
CPU user time (s): 16.0256
CPU system time (s): 0.184971
CPU usage (%): 99.9657
Max. virtual memory (cumulated for all children) (KiB): 37304

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 16.0256
system time used= 0.184971
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8923
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= 20

runsolver used 0.014997 second user time and 0.040993 second system time

The end

Launcher Data 

Begin job on node43 at 2009-06-16 03:32:03
IDJOB=1875903
IDBENCH=1262
IDSOLVER=698
FILE ID=node43/1875903-1245115923
PBS_JOBID= 9363666
Free space on /tmp= 66192 MiB

SOLVER NAME= wbo 1.0
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111216411.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-1875903-1245115923/watcher-1875903-1245115923 -o /tmp/evaluation-result-1875903-1245115923/solver-1875903-1245115923 -C 1800 -W 2000 -M 1800  wbo -file-format=opb -time-limit=1800 HOME/instance-1875903-1245115923.opb

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

MD5SUM BENCH= 397157a6f828ea3df1ef5823bec1442b
RANDOM SEED=1949285957

node43.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		: 3000.281
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		: 3000.281
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:       1383172 kB
Buffers:         38904 kB
Cached:         563324 kB
SwapCached:       5352 kB
Active:          62540 kB
Inactive:       547508 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1383172 kB
SwapTotal:     4192956 kB
SwapFree:      4181368 kB
Dirty:            2608 kB
Writeback:           0 kB
Mapped:          13536 kB
Slab:            48676 kB
Committed_AS:   156852 kB
PageTables:       1448 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-1875903-1245115923.opb

Free space on /tmp at the end= 66192 MiB
End job on node43 at 2009-06-16 03:32:19