Trace number 1089721

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
bpsolver 2008-06-27UNSAT 1.04884 1.05376

General information on the benchmark

Namecsp/graphColoring/leighton/leighton-15/
normalized-lei450-15a-08.xml
MD5SUMab77f766bf4476b83f607aaa9b28a280
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.311951
Satisfiable
(Un)Satisfiability was proved
Number of variables450
Number of constraints8168
Maximum constraint arity2
Maximum domain size8
Number of constraints which are defined in extension0
Number of constraints which are defined in intension8168
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.04	c bpsolver version 6.27.2008
0.00/0.04	c converting(HOME/instance-1089721-1215269253)
0.79/0.83	c Converted in 376 ms
0.79/0.83	c solving(HOME/instance-1089721-1215269253,1800000)
0.98/1.05	s UNSATISFIABLE
0.98/1.05	
0.98/1.05	
0.98/1.05	c Time=211 ms
0.98/1.05

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

runsolver version 3.2.5 (c) roussel@cril.univ-artois.fr

command line: /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1089721-1215269253/watcher-1089721-1215269253 -o /tmp/evaluation-result-1089721-1215269253/solver-1089721-1215269253 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/solver HOME/instance-1089721-1215269253 1800 

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): 2200 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 921600 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 972800 KiB
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 3.13 2.41 2.00 4/110 6686
/proc/meminfo: memFree=638620/2055920 swapFree=4147328/4192956
[pid=6686] ppid=6684 vsize=56080 CPUtime=0.19
/proc/6686/stat : 6686 (bprolog) R 6684 6686 6351 0 -1 4194304 1153 0 0 0 9 10 0 0 19 0 1 0 682651892 57425920 866 996147200 134512640 134990860 4294956096 18446744073709551615 134773401 0 0 4096 2 0 0 0 17 1 0 0
/proc/6686/statm: 14020 866 178 116 0 13531 0

[startup+0.304879 s]
/proc/loadavg: 3.13 2.41 2.00 4/110 6686
/proc/meminfo: memFree=638620/2055920 swapFree=4147328/4192956
[pid=6686] ppid=6684 vsize=56080 CPUtime=0.29
/proc/6686/stat : 6686 (bprolog) R 6684 6686 6351 0 -1 4194304 1156 0 0 0 15 14 0 0 19 0 1 0 682651892 57425920 869 996147200 134512640 134990860 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/6686/statm: 14020 869 178 116 0 13531 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 56080

[startup+0.40189 s]
/proc/loadavg: 3.13 2.41 2.00 4/110 6686
/proc/meminfo: memFree=638620/2055920 swapFree=4147328/4192956
[pid=6686] ppid=6684 vsize=56080 CPUtime=0.39
/proc/6686/stat : 6686 (bprolog) R 6684 6686 6351 0 -1 4194304 1159 0 0 0 19 20 0 0 19 0 1 0 682651892 57425920 872 996147200 134512640 134990860 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/6686/statm: 14020 872 178 116 0 13531 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 56080

[startup+0.5019 s]
/proc/loadavg: 3.13 2.41 2.00 4/110 6686
/proc/meminfo: memFree=638620/2055920 swapFree=4147328/4192956
[pid=6686] ppid=6684 vsize=56080 CPUtime=0.49
/proc/6686/stat : 6686 (bprolog) R 6684 6686 6351 0 -1 4194304 1162 0 0 0 23 26 0 0 21 0 1 0 682651892 57425920 875 996147200 134512640 134990860 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/6686/statm: 14020 875 178 116 0 13531 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 56080

[startup+0.701919 s]
/proc/loadavg: 3.13 2.41 2.00 4/110 6686
/proc/meminfo: memFree=638620/2055920 swapFree=4147328/4192956
[pid=6686] ppid=6684 vsize=56080 CPUtime=0.69
/proc/6686/stat : 6686 (bprolog) R 6684 6686 6351 0 -1 4194304 1168 0 0 0 33 36 0 0 23 0 1 0 682651892 57425920 881 996147200 134512640 134990860 4294956096 18446744073709551615 134572330 0 0 4096 2 0 0 0 17 1 0 0
/proc/6686/statm: 14020 881 178 116 0 13531 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 56080

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

[startup+1.00197 s]
/proc/loadavg: 3.13 2.41 2.00 4/110 6686
/proc/meminfo: memFree=638620/2055920 swapFree=4147328/4192956
[pid=6686] ppid=6684 vsize=64236 CPUtime=0.98
/proc/6686/stat : 6686 (bprolog) R 6684 6686 6351 0 -1 4194304 2417 0 0 0 54 44 0 0 25 0 1 0 682651892 65777664 2127 996147200 134512640 134990860 4294956096 18446744073709551615 134571801 0 0 4096 2 0 0 0 17 1 0 0
/proc/6686/statm: 16059 2127 184 116 0 15570 0
Current children cumulated CPU time (s) 0.98
Current children cumulated vsize (KiB) 64236

Child status: 0
Real time (s): 1.05376
CPU time (s): 1.04884
CPU user time (s): 0.598908
CPU system time (s): 0.449931
CPU usage (%): 99.5335
Max. virtual memory (cumulated for all children) (KiB): 64236

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.598908
system time used= 0.449931
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2429
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= 27

runsolver used 0.004999 second user time and 0.004999 second system time

The end

Launcher Data (download as text)

Begin job on node90 at 2008-07-05 16:47:33
IDJOB=1089721
IDBENCH=58300
IDSOLVER=347
FILE ID=node90/1089721-1215269253
PBS_JOBID= 7882203
Free space on /tmp= 66556 MiB

SOLVER NAME= bpsolver 2008-06-27
BENCH NAME= CPAI08/csp/graphColoring/leighton/leighton-15/normalized-lei450-15a-08.xml
COMMAND LINE= HOME/solver BENCHNAMENOEXT TIMEOUT
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1089721-1215269253/watcher-1089721-1215269253 -o /tmp/evaluation-result-1089721-1215269253/solver-1089721-1215269253 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/solver HOME/instance-1089721-1215269253 1800

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= ab77f766bf4476b83f607aaa9b28a280
RANDOM SEED=815729994

node90.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		: 3000.236
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		: 3000.236
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:        639100 kB
Buffers:         30068 kB
Cached:        1144564 kB
SwapCached:      37128 kB
Active:         787504 kB
Inactive:       570228 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        639100 kB
SwapTotal:     4192956 kB
SwapFree:      4147328 kB
Dirty:            2304 kB
Writeback:           0 kB
Mapped:         196128 kB
Slab:            41688 kB
Committed_AS:  1731488 kB
PageTables:       3780 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66556 MiB
End job on node90 at 2008-07-05 16:47:34