Trace number 2082964

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 1.545UNSAT 0.376941 0.378348

DiagnosticValue
ASSIGNMENTS877
CHECKS2277590
NODES877

General information on the benchmark

Namecsp/os-gp/
normalized-gp10-09-1111.xml
MD5SUM6c983c6aad620b73473bf6ce8947c0e8
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 benchmark0.376941
Satisfiable
(Un)Satisfiability was proved
Number of variables101
Number of constraints1000
Maximum constraint arity2
Maximum domain size1112
Number of constraints which are defined in extension0
Number of constraints which are defined in intension1000
Global constraints used (with number of constraints)

Solver Data 

0.00/0.00	c mistral version 1.545
0.29/0.36	s UNSATISFIABLE
0.29/0.36	d CHECKS 2277593
0.29/0.36	d ASSIGNMENTS 877
0.29/0.36	d NODES 877 BACKTRACKS 837 FAILURES 838 RUNTIME 0.32 TOTALTIME 0.36 NODES/s 2740.62 CHECKS/s 7.11748e+06

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2082964-1247376328/watcher-2082964-1247376328 -o /tmp/evaluation-result-2082964-1247376328/solver-2082964-1247376328 -C 1800 -W 2000 -M 900 /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2082964-1247376328.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: 1.92 1.98 1.99 3/81 26819
/proc/meminfo: memFree=1149136/2055912 swapFree=4192812/4192956
[pid=26819] ppid=26817 vsize=4804 CPUtime=0
/proc/26819/stat : 26819 (ld-linux.so.2) R 26817 26819 21858 0 -1 4194304 183 0 0 0 0 0 0 0 18 0 1 0 24697383 4919296 164 996147200 1448431616 1448550632 4294956208 18446744073709551615 1448473824 0 0 4096 0 0 0 0 17 0 0 0
/proc/26819/statm: 1201 164 139 29 0 16 0

[startup+0.072331 s]
/proc/loadavg: 1.92 1.98 1.99 3/81 26819
/proc/meminfo: memFree=1149136/2055912 swapFree=4192812/4192956
[pid=26819] ppid=26817 vsize=8128 CPUtime=0.06
/proc/26819/stat : 26819 (ld-linux.so.2) R 26817 26819 21858 0 -1 4194304 1281 0 0 0 6 0 0 0 18 0 1 0 24697383 8323072 1260 996147200 1448431616 1448550632 4294956208 18446744073709551615 135172192 0 0 4096 0 0 0 0 17 0 0 0
/proc/26819/statm: 2032 1260 421 29 0 847 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 8128

[startup+0.102332 s]
/proc/loadavg: 1.92 1.98 1.99 3/81 26819
/proc/meminfo: memFree=1149136/2055912 swapFree=4192812/4192956
[pid=26819] ppid=26817 vsize=8128 CPUtime=0.09
/proc/26819/stat : 26819 (ld-linux.so.2) R 26817 26819 21858 0 -1 4194304 1281 0 0 0 9 0 0 0 18 0 1 0 24697383 8323072 1260 996147200 1448431616 1448550632 4294956208 18446744073709551615 135161282 0 0 4096 0 0 0 0 17 0 0 0
/proc/26819/statm: 2032 1260 421 29 0 847 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8128

[startup+0.302351 s]
/proc/loadavg: 1.92 1.98 1.99 3/81 26819
/proc/meminfo: memFree=1149136/2055912 swapFree=4192812/4192956
[pid=26819] ppid=26817 vsize=8128 CPUtime=0.29
/proc/26819/stat : 26819 (ld-linux.so.2) R 26817 26819 21858 0 -1 4194304 1288 0 0 0 29 0 0 0 19 0 1 0 24697383 8323072 1267 996147200 1448431616 1448550632 4294956208 18446744073709551615 135161282 0 0 4096 0 0 0 0 17 0 0 0
/proc/26819/statm: 2032 1267 421 29 0 847 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8128

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

Child status: 0
Real time (s): 0.378348
CPU time (s): 0.376941
CPU user time (s): 0.368943
CPU system time (s): 0.007998
CPU usage (%): 99.6281
Max. virtual memory (cumulated for all children) (KiB): 8128

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.368943
system time used= 0.007998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1327
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= 13

runsolver used 0.000999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node78 at 2009-07-12 07:25:28
IDJOB=2082964
IDBENCH=57658
IDSOLVER=769
FILE ID=node78/2082964-1247376328
PBS_JOBID= 9507058
Free space on /tmp= 126804 MiB

SOLVER NAME= Mistral 1.545
BENCH NAME= CPAI08/csp/os-gp/normalized-gp10-09-1111.xml
COMMAND LINE= /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2082964-1247376328/watcher-2082964-1247376328 -o /tmp/evaluation-result-2082964-1247376328/solver-2082964-1247376328 -C 1800 -W 2000 -M 900  /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2082964-1247376328.xml

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

MD5SUM BENCH= 6c983c6aad620b73473bf6ce8947c0e8
RANDOM SEED=1841426940

node78.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		: 3000.232
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		: 3000.232
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:      2055912 kB
MemFree:       1149616 kB
Buffers:         64960 kB
Cached:         171544 kB
SwapCached:          0 kB
Active:         748528 kB
Inactive:        95608 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055912 kB
LowFree:       1149616 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1304 kB
Writeback:           0 kB
Mapped:         625460 kB
Slab:            45976 kB
Committed_AS:   938440 kB
PageTables:       2996 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= 126804 MiB
End job on node78 at 2009-07-12 07:25:29