Trace number 2086198

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 1.01184 1.07723

DiagnosticValue
ASSIGNMENTS8621
CHECKS921299
NODES8621

General information on the benchmark

Namecsp/bibd10-11/
normalized-bibd-11-110-30-3-6_glb.xml
MD5SUMf5a1a592d533fc94221848032134ad92
Bench CategoryAlldiff+Elt+WSum (alldiff,element,weightedsum)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.01184
Satisfiable
(Un)Satisfiability was proved
Number of variables7260
Number of constraints6226
Maximum constraint arity110
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension6050
Global constraints used (with number of constraints)weightedsum(176)

Solver Data 

0.00/0.07	c mistral version 1.545
0.93/1.04	s SATISFIABLE
0.93/1.04	v 1 0 1 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 1 0 0 0 0 1 1 0 0 1 0 1 1 0 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 1 1 0 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 1 1 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 1 0 0 0 1 1 1 0 0 0 0 0 0 0 1 0 1 1 1 0 1 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 1 0 1 0 1 0 1 0 0 0 1 0 0 1 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 0 1 0 0 0 1 1 0 0 1 1 1 1 1 0 1 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 0 1 0 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 1 1 0 0 0 1 0 0 0 1 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 1 1 0 1 0 0 1 1 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 1 0 0 0 0 1 1 0 1 0 0 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 1 1 0 0 0 0 1 1 0 1 0 0 0 1 0 0 0 1 0 0 1 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 1 1 0 0 0 1 1 0 0 0 0 1 0 0 1 1 1 0 0 0 1 0 1 0 0 0 0 0 0 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0.93/1.04	d CHECKS 921299
0.93/1.04	d ASSIGNMENTS 8621
0.93/1.04	d NODES 8621 BACKTRACKS 6567 FAILURES 6567 RUNTIME 0.56 TOTALTIME 0.97 NODES/s 15394.6 CHECKS/s 1.64518e+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-2086198-1247383279/watcher-2086198-1247383279 -o /tmp/evaluation-result-2086198-1247383279/solver-2086198-1247383279 -C 1800 -W 2000 -M 900 /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2086198-1247383279.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: 2.01 2.00 2.00 3/75 25381
/proc/meminfo: memFree=1828600/2055920 swapFree=4192812/4192956
[pid=25381] ppid=25379 vsize=18576 CPUtime=0
/proc/25381/stat : 25381 (runsolver) R 25379 25381 24884 0 -1 4194368 15 0 0 0 0 0 0 0 19 0 1 0 25391269 19021824 284 996147200 4194304 4302564 548682068496 18446744073709551615 250968861991 0 2147483391 4096 24578 0 0 0 17 1 0 0
/proc/25381/statm: 4644 284 249 26 0 2626 0

[startup+0.0737821 s]
/proc/loadavg: 2.01 2.00 2.00 3/75 25381
/proc/meminfo: memFree=1828600/2055920 swapFree=4192812/4192956
[pid=25381] ppid=25379 vsize=4940 CPUtime=0
/proc/25381/stat : 25381 (ld-linux.so.2) D 25379 25381 24884 0 -1 4194304 312 0 10 0 0 0 0 0 18 0 1 0 25391269 5058560 301 996147200 1448431616 1448550632 4294956208 18446744073709551615 4159877344 0 0 4096 0 18446744071563479169 0 0 17 0 0 0
/proc/25381/statm: 1235 301 264 29 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 4940

[startup+0.101784 s]
/proc/loadavg: 2.01 2.00 2.00 3/75 25381
/proc/meminfo: memFree=1828600/2055920 swapFree=4192812/4192956
[pid=25381] ppid=25379 vsize=5748 CPUtime=0.03
/proc/25381/stat : 25381 (ld-linux.so.2) R 25379 25381 24884 0 -1 4194304 596 0 11 0 3 0 0 0 18 0 1 0 25391269 5885952 586 996147200 1448431616 1448550632 4294956208 18446744073709551615 134539550 0 0 4096 0 0 0 0 17 0 0 0
/proc/25381/statm: 1437 587 355 29 0 252 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 5748

[startup+0.301803 s]
/proc/loadavg: 2.01 2.00 2.00 3/75 25381
/proc/meminfo: memFree=1828600/2055920 swapFree=4192812/4192956
[pid=25381] ppid=25379 vsize=7956 CPUtime=0.22
/proc/25381/stat : 25381 (ld-linux.so.2) R 25379 25381 24884 0 -1 4194304 1182 0 11 0 22 0 0 0 19 0 1 0 25391269 8146944 1172 996147200 1448431616 1448550632 4294956208 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 0 0 0
/proc/25381/statm: 1989 1172 376 29 0 804 0
Current children cumulated CPU time (s) 0.22
Current children cumulated vsize (KiB) 7956

[startup+0.701842 s]
/proc/loadavg: 2.01 2.00 2.00 3/75 25381
/proc/meminfo: memFree=1828600/2055920 swapFree=4192812/4192956
[pid=25381] ppid=25379 vsize=12276 CPUtime=0.63
/proc/25381/stat : 25381 (ld-linux.so.2) R 25379 25381 24884 0 -1 4194304 2269 0 11 0 62 1 0 0 22 0 1 0 25391269 12570624 2259 996147200 1448431616 1448550632 4294956208 18446744073709551615 134844342 0 0 4096 0 0 0 0 17 0 0 0
/proc/25381/statm: 3069 2259 420 29 0 1884 0
Current children cumulated CPU time (s) 0.63
Current children cumulated vsize (KiB) 12276

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

[startup+0.90186 s]
/proc/loadavg: 2.01 2.00 2.00 3/75 25381
/proc/meminfo: memFree=1828600/2055920 swapFree=4192812/4192956
[pid=25381] ppid=25379 vsize=12276 CPUtime=0.83
/proc/25381/stat : 25381 (ld-linux.so.2) R 25379 25381 24884 0 -1 4194304 2270 0 11 0 82 1 0 0 24 0 1 0 25391269 12570624 2260 996147200 1448431616 1448550632 4294956208 18446744073709551615 134865397 0 0 4096 0 0 0 0 17 0 0 0
/proc/25381/statm: 3069 2260 420 29 0 1884 0
Current children cumulated CPU time (s) 0.83
Current children cumulated vsize (KiB) 12276

[startup+1.00187 s]
/proc/loadavg: 2.01 2.00 2.00 3/76 25382
/proc/meminfo: memFree=1817136/2055920 swapFree=4192812/4192956
[pid=25381] ppid=25379 vsize=12276 CPUtime=0.93
/proc/25381/stat : 25381 (ld-linux.so.2) R 25379 25381 24884 0 -1 4194304 2271 0 11 0 92 1 0 0 25 0 1 0 25391269 12570624 2261 996147200 1448431616 1448550632 4294956208 18446744073709551615 134897011 0 0 4096 0 0 0 0 17 0 0 0
/proc/25381/statm: 3069 2261 420 29 0 1884 0
Current children cumulated CPU time (s) 0.93
Current children cumulated vsize (KiB) 12276

Child status: 0
Real time (s): 1.07723
CPU time (s): 1.01184
CPU user time (s): 0.996848
CPU system time (s): 0.014997
CPU usage (%): 93.9305
Max. virtual memory (cumulated for all children) (KiB): 12276

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.996848
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= 2306
page faults= 12
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 54
involuntary context switches= 29

runsolver used 0.002999 second user time and 0.011998 second system time

The end

Launcher Data 

Begin job on node56 at 2009-07-12 09:21:20
IDJOB=2086198
IDBENCH=58570
IDSOLVER=769
FILE ID=node56/2086198-1247383279
PBS_JOBID= 9507273
Free space on /tmp= 103036 MiB

SOLVER NAME= Mistral 1.545
BENCH NAME= CPAI08/csp/bibd10-11/normalized-bibd-11-110-30-3-6_glb.xml
COMMAND LINE= /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2086198-1247383279/watcher-2086198-1247383279 -o /tmp/evaluation-result-2086198-1247383279/solver-2086198-1247383279 -C 1800 -W 2000 -M 900  /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2086198-1247383279.xml

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

MD5SUM BENCH= f5a1a592d533fc94221848032134ad92
RANDOM SEED=912818335

node56.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		: 3000.209
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		: 3000.209
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:       1829016 kB
Buffers:          7964 kB
Cached:          77852 kB
SwapCached:          0 kB
Active:         151732 kB
Inactive:        23384 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1829016 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2628 kB
Writeback:           0 kB
Mapped:          99704 kB
Slab:            36848 kB
Committed_AS:   251904 kB
PageTables:       2048 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= 103032 MiB
End job on node56 at 2009-07-12 09:21:21