Trace number 1100469

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 2008-06-27SAT 0.770882 0.782517

DiagnosticValue
ASSIGNMENTS1172
CHECKS236580

General information on the benchmark

Namecsp/tightness0.9/
normalized-rand-2-40-180-84-900-8_ext.xml
MD5SUMee6bc059a2e8d740c45c238845cdb27a
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 benchmark0.736887
Satisfiable
(Un)Satisfiability was proved
Number of variables40
Number of constraints84
Maximum constraint arity2
Maximum domain size180
Number of constraints which are defined in extension84
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.11	c mistral-prime version 1.313
0.68/0.76	s SATISFIABLE
0.68/0.76	v 130 69 137 34 105 25 71 110 150 133 1 95 139 45 53 97 7 75 58 129 20 44 80 41 21 32 15 8 161 40 126 37 4 74 14 66 152 10 53 36
0.68/0.76	d CHECKS 236580
0.68/0.76	d ASSIGNMENTS 1172

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-1100469-1215287155/watcher-1100469-1215287155 -o /tmp/evaluation-result-1100469-1215287155/solver-1100469-1215287155 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1100469-1215287155.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 4/81 26229
/proc/meminfo: memFree=1805768/2055920 swapFree=4180540/4192956
[pid=26229] ppid=26227 vsize=820 CPUtime=0
/proc/26229/stat : 26229 (xsolve) R 26227 26229 21218 0 -1 4194304 39 0 0 0 0 0 0 0 19 0 1 0 2007689894 839680 25 996147200 134512640 135239859 4294956208 18446744073709551615 7861028 0 2147483391 4096 0 0 0 0 17 1 0 0
/proc/26229/statm: 205 25 19 177 0 3 0

[startup+0.11231 s]
/proc/loadavg: 2.00 2.00 2.00 4/81 26229
/proc/meminfo: memFree=1805768/2055920 swapFree=4180540/4192956
[pid=26229] ppid=26227 vsize=6712 CPUtime=0.09
/proc/26229/stat : 26229 (xsolve) R 26227 26229 21218 0 -1 4194304 965 0 0 0 9 0 0 0 20 0 1 0 2007689894 6873088 931 996147200 134512640 135239859 4294956208 18446744073709551615 134670981 0 0 4096 0 0 0 0 17 1 0 0
/proc/26229/statm: 1678 931 350 177 0 581 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6712

[startup+0.201206 s]
/proc/loadavg: 2.00 2.00 2.00 4/81 26229
/proc/meminfo: memFree=1805768/2055920 swapFree=4180540/4192956
[pid=26229] ppid=26227 vsize=8572 CPUtime=0.18
/proc/26229/stat : 26229 (xsolve) R 26227 26229 21218 0 -1 4194304 1449 0 0 0 18 0 0 0 20 0 1 0 2007689894 8777728 1415 996147200 134512640 135239859 4294956208 18446744073709551615 134643668 0 0 4096 0 0 0 0 17 1 0 0
/proc/26229/statm: 2143 1415 350 177 0 1046 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 8572

[startup+0.301231 s]
/proc/loadavg: 2.00 2.00 2.00 4/81 26229
/proc/meminfo: memFree=1805768/2055920 swapFree=4180540/4192956
[pid=26229] ppid=26227 vsize=11484 CPUtime=0.28
/proc/26229/stat : 26229 (xsolve) R 26227 26229 21218 0 -1 4194304 2201 0 0 0 28 0 0 0 21 0 1 0 2007689894 11759616 2167 996147200 134512640 135239859 4294956208 18446744073709551615 135019145 0 0 4096 0 0 0 0 17 1 0 0
/proc/26229/statm: 2871 2167 386 177 0 1774 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 11484

[startup+0.701294 s]
/proc/loadavg: 2.00 2.00 2.00 4/81 26229
/proc/meminfo: memFree=1805768/2055920 swapFree=4180540/4192956
[pid=26229] ppid=26227 vsize=11488 CPUtime=0.68
/proc/26229/stat : 26229 (xsolve) R 26227 26229 21218 0 -1 4194304 2202 0 0 0 68 0 0 0 25 0 1 0 2007689894 11763712 2168 996147200 134512640 135239859 4294956208 18446744073709551615 135015796 0 0 4096 0 0 0 0 17 1 0 0
/proc/26229/statm: 2872 2168 386 177 0 1775 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 11488

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

[startup+0.701294 s]
/proc/loadavg: 2.00 2.00 2.00 4/81 26229
/proc/meminfo: memFree=1805768/2055920 swapFree=4180540/4192956
[pid=26229] ppid=26227 vsize=11488 CPUtime=0.68
/proc/26229/stat : 26229 (xsolve) R 26227 26229 21218 0 -1 4194304 2202 0 0 0 68 0 0 0 25 0 1 0 2007689894 11763712 2168 996147200 134512640 135239859 4294956208 18446744073709551615 135015796 0 0 4096 0 0 0 0 17 1 0 0
/proc/26229/statm: 2872 2168 386 177 0 1775 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 11488

Child status: 0
Real time (s): 0.782517
CPU time (s): 0.770882
CPU user time (s): 0.760884
CPU system time (s): 0.009998
CPU usage (%): 98.5131
Max. virtual memory (cumulated for all children) (KiB): 11488

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.760884
system time used= 0.009998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2218
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= 34

runsolver used 0.003999 second user time and 0.006998 second system time

The end

Launcher Data (download as text)

Begin job on node18 at 2008-07-05 21:45:55
IDJOB=1100469
IDBENCH=59918
IDSOLVER=343
FILE ID=node18/1100469-1215287155
PBS_JOBID= 7882140
Free space on /tmp= 66556 MiB

SOLVER NAME= MDG-noprobe 2008-06-27
BENCH NAME= CPAI08/csp/tightness0.9/normalized-rand-2-40-180-84-900-8_ext.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-1100469-1215287155/watcher-1100469-1215287155 -o /tmp/evaluation-result-1100469-1215287155/solver-1100469-1215287155 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1100469-1215287155.xml -heu dom/wdeg -res no 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= ee6bc059a2e8d740c45c238845cdb27a
RANDOM SEED=1021363630

node18.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		: 3000.268
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	: 5931.00
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		: 3000.268
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:       1806248 kB
Buffers:         30224 kB
Cached:         144576 kB
SwapCached:       6012 kB
Active:         139628 kB
Inactive:        55652 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1806248 kB
SwapTotal:     4192956 kB
SwapFree:      4180540 kB
Dirty:            2756 kB
Writeback:           0 kB
Mapped:          36796 kB
Slab:            39556 kB
Committed_AS:  3624684 kB
PageTables:       1820 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= 66552 MiB
End job on node18 at 2008-07-05 21:45:56