Trace number 1035299

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
Mistral-prime 1.313SAT 0.021996 0.0287101

DiagnosticValue
ASSIGNMENTS21
CHECKS1267

General information on the benchmark

Namecsp/QWH-10/
normalized-qwh-10-57-6_ext.xml
MD5SUM46da15a46f6b0b352a754e8aed374606
Bench Category2-ARY-EXT (binary constraints in extension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.019996
Satisfiable
(Un)Satisfiability was proved
Number of variables100
Number of constraints756
Maximum constraint arity2
Maximum domain size10
Number of constraints which are defined in extension756
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.02	c mistral-prime version 1.313
0.00/0.02	s SATISFIABLE
0.00/0.02	v 0 6 7 8 4 9 1 5 3 2 8 7 0 1 9 2 4 3 5 6 9 2 6 4 8 0 3 7 1 5 5 9 2 7 6 3 8 0 4 1 3 1 8 9 7 5 6 2 0 4 1 3 5 2 0 4 9 6 7 8 7 4 3 6 5 1 2 8 9 0 4 0 1 3 2 8 5 9 6 7 2 5 9 0 1 6 7 4 8 3 6 8 4 5 3 7 0 1 2 9
0.00/0.02	d CHECKS 1267
0.00/0.02	d ASSIGNMENTS 21

Verifier Data (download as text)

OK

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-1035299-1214951597/watcher-1035299-1214951597 -o /tmp/evaluation-result-1035299-1214951597/solver-1035299-1214951597 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1035299-1214951597.xml 

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: 2.22 2.03 1.77 4/74 6896
/proc/meminfo: memFree=1658808/2055920 swapFree=4179604/4192956
[pid=6896] ppid=6894 vsize=18572 CPUtime=0
/proc/6896/stat : 6896 (runsolver) R 6894 6896 4917 0 -1 4194368 15 0 0 0 0 0 0 0 20 0 1 0 1974110801 19017728 292 996147200 4194304 4296836 548682068496 18446744073709551615 228774702375 0 0 4096 24578 0 0 0 17 1 0 0
/proc/6896/statm: 4643 292 257 25 0 2626 0

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

Child status: 0
Real time (s): 0.0287101
CPU time (s): 0.021996
CPU user time (s): 0.018997
CPU system time (s): 0.002999
CPU usage (%): 76.6142
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.018997
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 605
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= 1

runsolver used 0.001999 second user time and 0.007998 second system time

The end

Launcher Data (download as text)

Begin job on node74 at 2008-07-02 00:33:17
IDJOB=1035299
IDBENCH=53389
IDSOLVER=358
FILE ID=node74/1035299-1214951597
PBS_JOBID= 7870187
Free space on /tmp= 103212 MiB

SOLVER NAME= Mistral-prime 1.313
BENCH NAME= CPAI08/csp/QWH-10/normalized-qwh-10-57-6_ext.xml
COMMAND LINE= HOME/xsolve BENCHNAME 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1035299-1214951597/watcher-1035299-1214951597 -o /tmp/evaluation-result-1035299-1214951597/solver-1035299-1214951597 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1035299-1214951597.xml 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 46da15a46f6b0b352a754e8aed374606
RANDOM SEED=1855808955

node74.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		: 3000.259
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		: 3000.259
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:       1659288 kB
Buffers:         28552 kB
Cached:         281212 kB
SwapCached:       6640 kB
Active:          80144 kB
Inactive:       245784 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1659288 kB
SwapTotal:     4192956 kB
SwapFree:      4179604 kB
Dirty:            5432 kB
Writeback:           0 kB
Mapped:          22556 kB
Slab:            55904 kB
Committed_AS:  3830956 kB
PageTables:       1840 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 103212 MiB
End job on node74 at 2008-07-02 00:33:17