Trace number 1089087

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
MDG-noprobe 2008-06-27UNSAT 0.403937 0.404326

DiagnosticValue
ASSIGNMENTS0
CHECKS2

General information on the benchmark

Namecsp/graphColoring/register/fpsol/
normalized-fpsol2-i-1-55.xml
MD5SUM9685e02ee1e44c7ff05763d17f8830d9
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 benchmark0.403937
Satisfiable
(Un)Satisfiability was proved
Number of variables496
Number of constraints11654
Maximum constraint arity2
Maximum domain size55
Number of constraints which are defined in extension0
Number of constraints which are defined in intension11654
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.00	c mistral-prime version 1.313
0.29/0.38	s UNSATISFIABLE
0.29/0.38	d CHECKS 2
0.29/0.38	d ASSIGNMENTS 0

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-1089087-1215261600/watcher-1089087-1215261600 -o /tmp/evaluation-result-1089087-1215261600/solver-1089087-1215261600 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1089087-1215261600.xml -heu dom/wdeg -res no 

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: 2.00 2.00 2.00 4/74 7797
/proc/meminfo: memFree=1750056/2055924 swapFree=4177320/4192956
[pid=7797] ppid=7795 vsize=4584 CPUtime=0
/proc/7797/stat : 7797 (xsolve) R 7795 7797 7426 0 -1 4194304 327 0 0 0 0 0 0 0 18 0 1 0 681889637 4694016 294 996147200 134512640 135239859 4294956208 18446744073709551615 4158772064 0 0 4096 0 0 0 0 17 1 0 0
/proc/7797/statm: 1146 301 256 177 0 49 0

[startup+0.106404 s]
/proc/loadavg: 2.00 2.00 2.00 4/74 7797
/proc/meminfo: memFree=1750056/2055924 swapFree=4177320/4192956
[pid=7797] ppid=7795 vsize=5488 CPUtime=0.09
/proc/7797/stat : 7797 (xsolve) R 7795 7797 7426 0 -1 4194304 697 0 0 0 9 0 0 0 18 0 1 0 681889637 5619712 663 996147200 134512640 135239859 4294956208 18446744073709551615 8369787 0 0 4096 0 0 0 0 17 1 0 0
/proc/7797/statm: 1372 663 368 177 0 275 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5488

[startup+0.201421 s]
/proc/loadavg: 2.00 2.00 2.00 4/74 7797
/proc/meminfo: memFree=1750056/2055924 swapFree=4177320/4192956
[pid=7797] ppid=7795 vsize=6384 CPUtime=0.19
/proc/7797/stat : 7797 (xsolve) R 7795 7797 7426 0 -1 4194304 894 0 0 0 18 1 0 0 19 0 1 0 681889637 6537216 860 996147200 134512640 135239859 4294956208 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/7797/statm: 1596 860 368 177 0 499 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 6384

[startup+0.301438 s]
/proc/loadavg: 2.00 2.00 2.00 4/74 7797
/proc/meminfo: memFree=1750056/2055924 swapFree=4177320/4192956
[pid=7797] ppid=7795 vsize=7212 CPUtime=0.29
/proc/7797/stat : 7797 (xsolve) R 7795 7797 7426 0 -1 4194304 1103 0 0 0 28 1 0 0 20 0 1 0 681889637 7385088 1069 996147200 134512640 135239859 4294956208 18446744073709551615 8369787 0 0 4096 0 0 0 0 17 1 0 0
/proc/7797/statm: 1803 1069 368 177 0 706 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7212

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

[startup+0.401458 s]
/proc/loadavg: 2.00 2.00 2.00 4/74 7797
/proc/meminfo: memFree=1750056/2055924 swapFree=4177320/4192956
[pid=7797] ppid=7795 vsize=8792 CPUtime=0.39
/proc/7797/stat : 7797 (xsolve) R 7795 7797 7426 0 -1 4194304 2113 0 0 0 38 1 0 0 21 0 1 0 681889637 9003008 1518 996147200 134512640 135239859 4294956208 18446744073709551615 8364147 0 0 4096 0 0 0 0 17 1 0 0
/proc/7797/statm: 2198 1518 417 177 0 1101 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 8792

Child status: 0
Real time (s): 0.404326
CPU time (s): 0.403937
CPU user time (s): 0.382941
CPU system time (s): 0.020996
CPU usage (%): 99.9038
Max. virtual memory (cumulated for all children) (KiB): 8792

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.382941
system time used= 0.020996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2114
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= 7
involuntary context switches= 8

runsolver used 0.004999 second user time and 0.005999 second system time

The end

Launcher Data (download as text)

Begin job on node83 at 2008-07-05 14:40:01
IDJOB=1089087
IDBENCH=58196
IDSOLVER=343
FILE ID=node83/1089087-1215261600
PBS_JOBID= 7882111
Free space on /tmp= 66492 MiB

SOLVER NAME= MDG-noprobe 2008-06-27
BENCH NAME= CPAI08/csp/graphColoring/register/fpsol/normalized-fpsol2-i-1-55.xml
COMMAND LINE= HOME/xsolve BENCHNAME -heu dom/wdeg -res no 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1089087-1215261600/watcher-1089087-1215261600 -o /tmp/evaluation-result-1089087-1215261600/solver-1089087-1215261600 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1089087-1215261600.xml -heu dom/wdeg -res no 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 9685e02ee1e44c7ff05763d17f8830d9
RANDOM SEED=818938361

node83.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		: 3000.263
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		: 3000.263
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:      2055924 kB
MemFree:       1750472 kB
Buffers:         24532 kB
Cached:         207500 kB
SwapCached:       9708 kB
Active:         121356 kB
Inactive:       138808 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055924 kB
LowFree:       1750472 kB
SwapTotal:     4192956 kB
SwapFree:      4177320 kB
Dirty:            2352 kB
Writeback:           0 kB
Mapped:          34136 kB
Slab:            30636 kB
Committed_AS:  1209428 kB
PageTables:       1772 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= 66492 MiB
End job on node83 at 2008-07-05 14:40:01