Trace number 1048360

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
mddc-solv 2008-06-09UNSAT 0.724889 0.730571

DiagnosticValue
CHECKS9155

General information on the benchmark

Namecsp/rand-10-20-10/
normalized-rand-10-20-10-5-10000-8_ext.xml
MD5SUMa559fc503a6da82070c22bbc1eb149ca
Bench CategoryN-ARY-EXT (n-ary constraints in extension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.724889
Satisfiable
(Un)Satisfiability was proved
Number of variables20
Number of constraints5
Maximum constraint arity10
Maximum domain size10
Number of constraints which are defined in extension5
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.00	c loading... 0.37 secs
0.29/0.38	c smallest 23956
0.29/0.38	c largest 24079
0.29/0.38	c average 24010.4
0.29/0.38	
0.69/0.72	s UNSATISFIABLE
0.69/0.72	d CHECKS 9155
0.69/0.72	c FAILS 884
0.69/0.72	c RESTARTS 5

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-1048360-1215043045/watcher-1048360-1215043045 -o /tmp/evaluation-result-1048360-1215043045/solver-1048360-1215043045 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/solver HOME/instance-1048360-1215043045.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: 1.98 2.07 2.00 4/81 9468
/proc/meminfo: memFree=1808048/2055920 swapFree=4120828/4192956
[pid=9468] ppid=9466 vsize=8816 CPUtime=0
/proc/9468/stat : 9468 (solver) R 9466 9468 8739 0 -1 4194304 305 0 0 0 0 0 0 0 18 0 1 0 1292550391 9027584 272 996147200 134512640 134773262 4294956256 18446744073709551615 134563770 0 0 4096 0 0 0 0 17 1 0 0
/proc/9468/statm: 2204 279 240 63 0 1221 0

[startup+0.059848 s]
/proc/loadavg: 1.98 2.07 2.00 4/81 9468
/proc/meminfo: memFree=1808048/2055920 swapFree=4120828/4192956
[pid=9468] ppid=9466 vsize=9544 CPUtime=0.04
/proc/9468/stat : 9468 (solver) R 9466 9468 8739 0 -1 4194304 2660 0 0 0 4 0 0 0 18 0 1 0 1292550391 9773056 1603 996147200 134512640 134773262 4294956256 18446744073709551615 8054395 0 0 4096 0 0 0 0 17 1 0 0
/proc/9468/statm: 2386 1603 336 63 0 1403 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 9544

[startup+0.102863 s]
/proc/loadavg: 1.98 2.07 2.00 4/81 9468
/proc/meminfo: memFree=1808048/2055920 swapFree=4120828/4192956
[pid=9468] ppid=9466 vsize=10036 CPUtime=0.09
/proc/9468/stat : 9468 (solver) R 9466 9468 8739 0 -1 4194304 2820 0 0 0 8 1 0 0 18 0 1 0 1292550391 10276864 1763 996147200 134512640 134773262 4294956256 18446744073709551615 8059978 0 0 4096 0 0 0 0 17 1 0 0
/proc/9468/statm: 2509 1763 338 63 0 1526 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10036

[startup+0.301897 s]
/proc/loadavg: 1.98 2.07 2.00 4/81 9468
/proc/meminfo: memFree=1808048/2055920 swapFree=4120828/4192956
[pid=9468] ppid=9466 vsize=12472 CPUtime=0.29
/proc/9468/stat : 9468 (solver) R 9466 9468 8739 0 -1 4194304 3438 0 0 0 28 1 0 0 19 0 1 0 1292550391 12771328 2381 996147200 134512640 134773262 4294956256 18446744073709551615 8054395 0 0 4096 0 0 0 0 17 1 0 0
/proc/9468/statm: 3118 2381 338 63 0 2135 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12472

[startup+0.701979 s]
/proc/loadavg: 1.98 2.07 2.00 4/81 9468
/proc/meminfo: memFree=1808048/2055920 swapFree=4120828/4192956
[pid=9468] ppid=9466 vsize=9848 CPUtime=0.69
/proc/9468/stat : 9468 (solver) R 9466 9468 8739 0 -1 4194304 4008 0 0 0 68 1 0 0 22 0 1 0 1292550391 10084352 1855 996147200 134512640 134773262 4294956256 18446744073709551615 134530129 0 0 4096 0 0 0 0 17 1 0 0
/proc/9468/statm: 2462 1855 364 63 0 1479 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9848

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

Child status: 0
Real time (s): 0.730571
CPU time (s): 0.724889
CPU user time (s): 0.709892
CPU system time (s): 0.014997
CPU usage (%): 99.2222
Max. virtual memory (cumulated for all children) (KiB): 12472

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.709892
system time used= 0.014997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4019
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= 17

runsolver used 0.004999 second user time and 0.004999 second system time

The end

Launcher Data (download as text)

Begin job on node20 at 2008-07-03 01:57:25
IDJOB=1048360
IDBENCH=54359
IDSOLVER=311
FILE ID=node20/1048360-1215043045
PBS_JOBID= 7875133
Free space on /tmp= 66540 MiB

SOLVER NAME= mddc-solv 2008-06-09
BENCH NAME= CPAI08/csp/rand-10-20-10/normalized-rand-10-20-10-5-10000-8_ext.xml
COMMAND LINE= HOME/solver BENCHNAME 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1048360-1215043045/watcher-1048360-1215043045 -o /tmp/evaluation-result-1048360-1215043045/solver-1048360-1215043045 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/solver HOME/instance-1048360-1215043045.xml 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= a559fc503a6da82070c22bbc1eb149ca
RANDOM SEED=1491345345

node20.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	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1808464 kB
Buffers:          5256 kB
Cached:          77140 kB
SwapCached:      65776 kB
Active:         148652 kB
Inactive:        42028 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1808464 kB
SwapTotal:     4192956 kB
SwapFree:      4120828 kB
Dirty:            2028 kB
Writeback:           0 kB
Mapped:         123624 kB
Slab:            41828 kB
Committed_AS:  2623084 kB
PageTables:       2060 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= 66540 MiB
End job on node20 at 2008-07-03 01:57:26