Trace number 2655449

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 1.4aUNSAT 2.90456 2.90531

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111227326.opb
MD5SUM2f8f97ac7582e26f7b47720cb0027731
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 benchmark0.120981
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 1273
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 wbo 1.4 beta - 20100517
0.00/0.00	c Parsing opb file format. File HOME/instance-2655449-1276260435.opb.
0.00/0.00	c Instance file HOME/instance-2655449-1276260435.opb
0.00/0.00	c File size is 9908 bytes.
0.00/0.00	c Highest Coefficient sum: 1273
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     16 |  0.004 % |
0.00/0.01	c |       252 |     169      101     1205 |     6050      252     16 |  0.004 % |
0.00/0.02	c |       478 |     169      101     1205 |     6655      478     16 |  0.004 % |
0.00/0.04	c |       815 |     169      101     1205 |     7320      815     16 |  0.004 % |
0.00/0.06	c |      1322 |     169      101     1205 |     8052     1322     17 |  0.004 % |
0.09/0.10	c |      2083 |     169      101     1205 |     8857     2083     17 |  0.004 % |
0.09/0.18	c |      3222 |     169      101     1205 |     9743     3222     18 |  0.004 % |
0.19/0.29	c |      4930 |     169      101     1205 |    10717     4930     18 |  0.004 % |
0.39/0.50	c |      7494 |     169      101     1205 |    11789     7494     18 |  0.004 % |
0.79/0.85	c |     11339 |     169      101     1205 |    12968    11339     18 |  0.004 % |
1.39/1.44	c |     17108 |     169      101     1205 |    14265    10579     17 |  0.004 % |
2.20/2.26	c |     25757 |     169      101     1205 |    15692    12048     16 |  0.004 % |
2.89/2.90	c ===============================================================================
2.89/2.90	c core #1
2.89/2.90	c Memory used           : 7.34 MB
2.89/2.90	c CPU time              : 2.81857 s
2.89/2.90	c 
2.89/2.90	s UNSATISFIABLE
2.89/2.90	c Total CPU time: 2.81857 s

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-2655449-1276260435/watcher-2655449-1276260435 -o /tmp/evaluation-result-2655449-1276260435/solver-2655449-1276260435 -C 1800 -W 2000 -M 1800 wbo1.4a -file-format=opb -time-limit=1800 HOME/instance-2655449-1276260435.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: 0.56 0.15 0.05 3/107 2589
/proc/meminfo: memFree=1701868/2059040 swapFree=4192956/4192956
[pid=2589] ppid=2587 vsize=2576 CPUtime=0
/proc/2589/stat : 2589 (wbo1.4a) R 2587 2589 2320 0 -1 4202496 281 0 0 0 0 0 0 0 20 0 1 0 84070 2637824 196 1992294400 134512640 135751879 4294868096 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/2589/statm: 644 196 143 303 0 339 0

[startup+0.0778079 s]
/proc/loadavg: 0.56 0.15 0.05 3/107 2589
/proc/meminfo: memFree=1701868/2059040 swapFree=4192956/4192956
[pid=2589] ppid=2587 vsize=2708 CPUtime=0.07
/proc/2589/stat : 2589 (wbo1.4a) R 2587 2589 2320 0 -1 4202496 338 0 0 0 7 0 0 0 20 0 1 0 84070 2772992 253 1992294400 134512640 135751879 4294868096 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/2589/statm: 677 253 143 303 0 372 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 2708

[startup+0.100809 s]
/proc/loadavg: 0.56 0.15 0.05 3/107 2589
/proc/meminfo: memFree=1701868/2059040 swapFree=4192956/4192956
[pid=2589] ppid=2587 vsize=2848 CPUtime=0.09
/proc/2589/stat : 2589 (wbo1.4a) R 2587 2589 2320 0 -1 4202496 355 0 0 0 9 0 0 0 20 0 1 0 84070 2916352 270 1992294400 134512640 135751879 4294868096 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/2589/statm: 712 270 143 303 0 407 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2848

[startup+0.300817 s]
/proc/loadavg: 0.56 0.15 0.05 3/107 2589
/proc/meminfo: memFree=1701868/2059040 swapFree=4192956/4192956
[pid=2589] ppid=2587 vsize=3380 CPUtime=0.29
/proc/2589/stat : 2589 (wbo1.4a) R 2587 2589 2320 0 -1 4202496 490 0 0 0 28 1 0 0 20 0 1 0 84070 3461120 405 1992294400 134512640 135751879 4294868096 18446744073709551615 134606354 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/2589/statm: 845 405 143 303 0 540 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3380

[startup+0.700834 s]
/proc/loadavg: 0.56 0.15 0.05 3/107 2589
/proc/meminfo: memFree=1701868/2059040 swapFree=4192956/4192956
[pid=2589] ppid=2587 vsize=4188 CPUtime=0.69
/proc/2589/stat : 2589 (wbo1.4a) R 2587 2589 2320 0 -1 4202496 691 0 0 0 66 3 0 0 21 0 1 0 84070 4288512 606 1992294400 134512640 135751879 4294868096 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/2589/statm: 1047 606 143 303 0 742 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4188

[startup+1.50087 s]
/proc/loadavg: 0.56 0.15 0.05 2/108 2590
/proc/meminfo: memFree=1699380/2059040 swapFree=4192956/4192956
[pid=2589] ppid=2587 vsize=5532 CPUtime=1.49
/proc/2589/stat : 2589 (wbo1.4a) R 2587 2589 2320 0 -1 4202496 1017 0 0 0 144 5 0 0 23 0 1 0 84070 5664768 932 1992294400 134512640 135751879 4294868096 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/2589/statm: 1383 932 143 303 0 1078 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5532

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

[startup+2.3009 s]
/proc/loadavg: 0.56 0.15 0.05 2/108 2590
/proc/meminfo: memFree=1697520/2059040 swapFree=4192956/4192956
[pid=2589] ppid=2587 vsize=6720 CPUtime=2.29
/proc/2589/stat : 2589 (wbo1.4a) R 2587 2589 2320 0 -1 4202496 1326 0 0 0 222 7 0 0 25 0 1 0 84070 6881280 1241 1992294400 134512640 135751879 4294868096 18446744073709551615 134611216 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/2589/statm: 1680 1241 143 303 0 1375 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 6720

[startup+2.70092 s]
/proc/loadavg: 0.56 0.15 0.05 2/108 2590
/proc/meminfo: memFree=1697520/2059040 swapFree=4192956/4192956
[pid=2589] ppid=2587 vsize=7248 CPUtime=2.69
/proc/2589/stat : 2589 (wbo1.4a) R 2587 2589 2320 0 -1 4202496 1449 0 0 0 261 8 0 0 25 0 1 0 84070 7421952 1364 1992294400 134512640 135751879 4294868096 18446744073709551615 134602986 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/2589/statm: 1812 1364 143 303 0 1507 0
Current children cumulated CPU time (s) 2.69
Current children cumulated vsize (KiB) 7248

[startup+2.90092 s]
/proc/loadavg: 0.56 0.15 0.05 2/108 2590
/proc/meminfo: memFree=1697520/2059040 swapFree=4192956/4192956
[pid=2589] ppid=2587 vsize=7512 CPUtime=2.89
/proc/2589/stat : 2589 (wbo1.4a) R 2587 2589 2320 0 -1 4202496 1510 0 0 0 281 8 0 0 25 0 1 0 84070 7692288 1425 1992294400 134512640 135751879 4294868096 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/2589/statm: 1878 1425 143 303 0 1573 0
Current children cumulated CPU time (s) 2.89
Current children cumulated vsize (KiB) 7512

Child status: 0
Real time (s): 2.90531
CPU time (s): 2.90456
CPU user time (s): 2.81857
CPU system time (s): 0.085986
CPU usage (%): 99.9739
Max. virtual memory (cumulated for all children) (KiB): 7512

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.81857
system time used= 0.085986
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1512
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= 1
involuntary context switches= 32

runsolver used 0.005999 second user time and 0.021996 second system time

The end

Launcher Data 

Begin job on node018 at 2010-06-11 14:47:15
IDJOB=2655449
IDBENCH=1215
IDSOLVER=1160
FILE ID=node018/2655449-1276260435
PBS_JOBID= 11172194
Free space on /tmp= 62192 MiB

SOLVER NAME= wbo 1.4a
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111227326.opb
COMMAND LINE= wbo1.4a -file-format=opb -time-limit=TIMEOUT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2655449-1276260435/watcher-2655449-1276260435 -o /tmp/evaluation-result-2655449-1276260435/solver-2655449-1276260435 -C 1800 -W 2000 -M 1800  wbo1.4a -file-format=opb -time-limit=1800 HOME/instance-2655449-1276260435.opb

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

MD5SUM BENCH= 2f8f97ac7582e26f7b47720cb0027731
RANDOM SEED=1929059724

node018.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		: 3000.248
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	: 6000.49
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		: 3000.248
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	: 5599.47
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1702396 kB
Buffers:         10884 kB
Cached:         239596 kB
SwapCached:          0 kB
Active:          98472 kB
Inactive:       211876 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1702396 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            2888 kB
Writeback:           0 kB
AnonPages:       59736 kB
Mapped:          15372 kB
Slab:            24536 kB
PageTables:       3928 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   178864 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62188 MiB
End job on node018 at 2010-06-11 14:47:18