Trace number 2066618

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 1.545SAT 1.52677 1.54249

DiagnosticValue
ASSIGNMENTS82
CHECKS196761
NODES82

General information on the benchmark

Namecsp/pseudo/ii/
normalized-ii-16b1.xml
MD5SUMe2be584ae1bad195ca191d18a654a63b
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.52677
Satisfiable
(Un)Satisfiability was proved
Number of variables3456
Number of constraints26520
Maximum constraint arity16
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension26520
Global constraints used (with number of constraints)

Solver Data 

0.09/0.11	c mistral version 1.545
1.37/1.40	s SATISFIABLE
1.37/1.40	v 1 0 1 0 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 1 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 1 0 1 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 0 0 0 1 1 0 0 1 1 0 1 0 0 1 1 0 0 0 1 0 1 0 0 0 1 0 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 1 0 0 1 1 0 0 1 1 0 1 0 0 1 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 0 1 1 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 1 0 0 1 1 0 1 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 0 1 1 0 1 0 0 0 0 1 1 0 1 0 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 1 0 0 0 1 0 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0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1
1.37/1.40	d CHECKS 196761
1.37/1.40	d ASSIGNMENTS 82
1.37/1.40	d NODES 82 BACKTRACKS 0 FAILURES 0 RUNTIME 0.13 TOTALTIME 1.39 NODES/s 630.769 CHECKS/s 1.51355e+06

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2066618-1247343162/watcher-2066618-1247343162 -o /tmp/evaluation-result-2066618-1247343162/solver-2066618-1247343162 -C 1800 -W 2000 -M 900 /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2066618-1247343162.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): 2000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.99 1.98 1.99 4/73 14755
/proc/meminfo: memFree=1185352/2055920 swapFree=4192948/4192956
[pid=14755] ppid=14753 vsize=18576 CPUtime=0
/proc/14755/stat : 14755 (runsolver) R 14753 14755 13920 0 -1 4194368 15 0 0 0 0 0 0 0 20 0 1 0 21381441 19021824 284 996147200 4194304 4302564 548682068496 18446744073709551615 228043844903 0 2147483391 4096 24578 0 0 0 17 0 0 0
/proc/14755/statm: 4644 284 249 26 0 2626 0

[startup+0.0918821 s]
/proc/loadavg: 1.99 1.98 1.99 4/73 14755
/proc/meminfo: memFree=1185352/2055920 swapFree=4192948/4192956
[pid=14755] ppid=14753 vsize=6296 CPUtime=0.08
/proc/14755/stat : 14755 (ld-linux.so.2) R 14753 14755 13920 0 -1 4194304 771 0 0 0 8 0 0 0 20 0 1 0 21381441 6447104 750 996147200 1448431616 1448550632 4294956208 18446744073709551615 4159734878 0 0 4096 0 0 0 0 17 0 0 0
/proc/14755/statm: 1574 750 377 29 0 389 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 6296

[startup+0.101879 s]
/proc/loadavg: 1.99 1.98 1.99 4/73 14755
/proc/meminfo: memFree=1185352/2055920 swapFree=4192948/4192956
[pid=14755] ppid=14753 vsize=6424 CPUtime=0.09
/proc/14755/stat : 14755 (ld-linux.so.2) R 14753 14755 13920 0 -1 4194304 801 0 0 0 9 0 0 0 20 0 1 0 21381441 6578176 780 996147200 1448431616 1448550632 4294956208 18446744073709551615 134688892 0 0 4096 0 0 0 0 17 0 0 0
/proc/14755/statm: 1606 780 377 29 0 421 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6424

[startup+0.301925 s]
/proc/loadavg: 1.99 1.98 1.99 4/73 14755
/proc/meminfo: memFree=1185352/2055920 swapFree=4192948/4192956
[pid=14755] ppid=14753 vsize=8880 CPUtime=0.28
/proc/14755/stat : 14755 (ld-linux.so.2) R 14753 14755 13920 0 -1 4194304 1427 0 0 0 28 0 0 0 22 0 1 0 21381441 9093120 1406 996147200 1448431616 1448550632 4294956208 18446744073709551615 134705549 0 0 4096 0 0 0 0 17 0 0 0
/proc/14755/statm: 2220 1406 377 29 0 1035 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 8880

[startup+0.702005 s]
/proc/loadavg: 1.99 1.98 1.99 4/73 14755
/proc/meminfo: memFree=1185352/2055920 swapFree=4192948/4192956
[pid=14755] ppid=14753 vsize=13768 CPUtime=0.68
/proc/14755/stat : 14755 (ld-linux.so.2) R 14753 14755 13920 0 -1 4194304 2635 0 0 0 67 1 0 0 25 0 1 0 21381441 14098432 2614 996147200 1448431616 1448550632 4294956208 18446744073709551615 134639097 0 0 4096 0 0 0 0 17 0 0 0
/proc/14755/statm: 3442 2614 378 29 0 2257 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 13768

[startup+1.50117 s]
/proc/loadavg: 2.07 2.00 2.00 3/74 14756
/proc/meminfo: memFree=1172352/2055920 swapFree=4192948/4192956
[pid=14755] ppid=14753 vsize=40536 CPUtime=1.48
/proc/14755/stat : 14755 (ld-linux.so.2) R 14753 14755 13920 0 -1 4194304 9839 0 0 0 143 5 0 0 25 0 1 0 21381441 41508864 9361 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157373632 0 0 4096 0 0 0 0 17 0 0 0
/proc/14755/statm: 10134 9361 460 29 0 8949 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 40536

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

Child status: 0
Real time (s): 1.54249
CPU time (s): 1.52677
CPU user time (s): 1.46878
CPU system time (s): 0.057991
CPU usage (%): 98.9809
Max. virtual memory (cumulated for all children) (KiB): 42852

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.46878
system time used= 0.057991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9840
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= 24
involuntary context switches= 49

runsolver used 0.003999 second user time and 0.009998 second system time

The end

Launcher Data 

Begin job on node77 at 2009-07-11 22:12:42
IDJOB=2066618
IDBENCH=54546
IDSOLVER=769
FILE ID=node77/2066618-1247343162
PBS_JOBID= 9506719
Free space on /tmp= 66156 MiB

SOLVER NAME= Mistral 1.545
BENCH NAME= CPAI08/csp/pseudo/ii/normalized-ii-16b1.xml
COMMAND LINE= /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2066618-1247343162/watcher-2066618-1247343162 -o /tmp/evaluation-result-2066618-1247343162/solver-2066618-1247343162 -C 1800 -W 2000 -M 900  /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2066618-1247343162.xml

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB
MAX NB THREAD= 0

MD5SUM BENCH= e2be584ae1bad195ca191d18a654a63b
RANDOM SEED=2101120844

node77.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		: 3000.256
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		: 3000.256
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:       1185768 kB
Buffers:         55932 kB
Cached:         737620 kB
SwapCached:          8 kB
Active:          99108 kB
Inactive:       716932 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1185768 kB
SwapTotal:     4192956 kB
SwapFree:      4192948 kB
Dirty:            4728 kB
Writeback:           0 kB
Mapped:          32536 kB
Slab:            39472 kB
Committed_AS:   150156 kB
PageTables:       1712 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= 66156 MiB
End job on node77 at 2009-07-11 22:12:44