Trace number 2086419

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
bpsolver 09SAT 1.62875 1.72727

General information on the benchmark

Namecsp/bibdVariousK/
normalized-bibd-19-19-9-9-4_glb.xml
MD5SUM456a0382e65dc0e314fde1d66e75729c
Bench CategoryAlldiff+Elt+WSum (alldiff,element,weightedsum)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.62875
Satisfiable
(Un)Satisfiability was proved
Number of variables3610
Number of constraints3458
Maximum constraint arity19
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension3249
Global constraints used (with number of constraints)weightedsum(209)

Solver Data 

0.00/0.02	c bpsolver version 6.29.2009
0.00/0.02	c converting(HOME/instance-2086419-1247383612)
0.78/0.84	c Converted in 349 ms
0.88/0.94	c solving(HOME/instance-2086419-1247383612,1800000)
0.88/0.94	c solving(HOME/instance-2086419-1247383612,1800000)
1.57/1.62	c (ffc_inout)
1.57/1.62	s SATISFIABLE
1.57/1.62	v 1 1 0 0 1 0 1 0 0 0 1 0 1 0 0 0 1 1 1 1 1 0 0 0 1 0 1 0 1 0 1 0 0 0 1 0 1 1 0 0 0 1 0 1 1 0 1 1 0 0 1 1 0 0 0 1 1 0 0 1 0 1 0 0 1 1 0 1 1 0 1 0 0 0 1 1 0 0 1 1 1 0 1 0 0 1 0 1 0 0 0 1 1 0 1 1 0 1 0 0 0 0 1 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 1 0 0 1 0 1 0 1 0 1 1 0 1 1 0 0 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 0 0 1 1 0 0 1 0 0 1 1 1 0 0 1 0 0 1 1 0 1 0 1 0 0 1 0 1 0 0 1 1 1 0 1 0 1 0 0 1 1 0 0 0 0 1 0 1 1 0 1 1 0 0 1 0 1 1 0 0 1 0 1 0 0 0 1 1 0 1 1 0 1 0 0 1 1 0 0 0 1 0 0 1 1 0 1 1 0 1 0 0 1 1 0 0 0 1 0 1 1 1 0 0 0 1 1 0 1 0 0 1 0 0 0 0 1 1 1 0 0 1 1 1 0 1 1 0 0 1 0 0 0 1 1 0 0 1 1 1 0 0 1 0 1 1 0 0 0 0 0 0 1 1 1 1 0 1 1 1 1 0 1 0 0 0 0 1 1 1 1 0 0 0 0 0 1 1 1 1 1 0 0 0 0 0 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 1 1 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1 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1.62/1.72	
1.62/1.72	c Time=786 ms Backtracks=10746
1.62/1.72

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-2086419-1247383612/watcher-2086419-1247383612 -o /tmp/evaluation-result-2086419-1247383612/solver-2086419-1247383612 -C 1800 -W 2000 -M 900 HOME/solver HOME/instance-2086419-1247383612 1800 

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: 1.86 1.97 1.99 4/74 25751
/proc/meminfo: memFree=1902976/2055920 swapFree=4192812/4192956
[pid=25751] ppid=25749 vsize=7000 CPUtime=0
/proc/25751/stat : 25751 (bprolog) R 25749 25751 24571 0 -1 4194304 390 0 0 0 0 0 0 0 23 0 1 0 25428279 7168000 108 996147200 134512640 135105188 4294956096 18446744073709551615 134530920 0 0 4096 0 0 0 0 17 1 0 0
/proc/25751/statm: 1750 108 72 144 0 1234 0

[startup+0.210007 s]
/proc/loadavg: 1.86 1.97 1.99 4/74 25751
/proc/meminfo: memFree=1902976/2055920 swapFree=4192812/4192956
[pid=25751] ppid=25749 vsize=62208 CPUtime=0.19
/proc/25751/stat : 25751 (bprolog) R 25749 25751 24571 0 -1 4194304 1499 0 0 0 10 9 0 0 24 0 1 0 25428279 63700992 1212 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/25751/statm: 15552 1212 174 144 0 15036 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 62208

[startup+0.303023 s]
/proc/loadavg: 1.86 1.97 1.99 4/74 25751
/proc/meminfo: memFree=1902976/2055920 swapFree=4192812/4192956
[pid=25751] ppid=25749 vsize=62208 CPUtime=0.29
/proc/25751/stat : 25751 (bprolog) R 25749 25751 24571 0 -1 4194304 1534 0 0 0 13 16 0 0 24 0 1 0 25428279 63700992 1247 996147200 134512640 135105188 4294956096 18446744073709551615 134566108 0 0 4096 2 0 0 0 17 1 0 0
/proc/25751/statm: 15552 1247 177 144 0 15036 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 62208

[startup+0.402048 s]
/proc/loadavg: 1.86 1.97 1.99 4/74 25751
/proc/meminfo: memFree=1902976/2055920 swapFree=4192812/4192956
[pid=25751] ppid=25749 vsize=62208 CPUtime=0.38
/proc/25751/stat : 25751 (bprolog) R 25749 25751 24571 0 -1 4194304 1541 0 0 0 18 20 0 0 25 0 1 0 25428279 63700992 1254 996147200 134512640 135105188 4294956096 18446744073709551615 9315911 0 0 4096 2 0 0 0 17 1 0 0
/proc/25751/statm: 15552 1254 177 144 0 15036 0
Current children cumulated CPU time (s) 0.38
Current children cumulated vsize (KiB) 62208

[startup+0.701107 s]
/proc/loadavg: 1.86 1.97 1.99 4/74 25751
/proc/meminfo: memFree=1902976/2055920 swapFree=4192812/4192956
[pid=25751] ppid=25749 vsize=62208 CPUtime=0.68
/proc/25751/stat : 25751 (bprolog) R 25749 25751 24571 0 -1 4194304 1561 0 0 0 31 37 0 0 25 0 1 0 25428279 63700992 1274 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/25751/statm: 15552 1274 177 144 0 15036 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 62208

[startup+1.50128 s]
/proc/loadavg: 1.86 1.97 1.99 3/76 25753
/proc/meminfo: memFree=1893424/2055920 swapFree=4192812/4192956
[pid=25751] ppid=25749 vsize=80664 CPUtime=1.47
/proc/25751/stat : 25751 (bprolog) R 25749 25751 24571 0 -1 4194304 3118 0 0 0 101 46 0 0 25 0 2 0 25428279 82599936 2507 996147200 134512640 135105188 4294956096 18446744073709551615 134605465 0 0 4096 2 18446744073709551615 0 0 17 1 0 0
/proc/25751/statm: 20166 2507 197 144 0 19650 0
[pid=25751/tid=25753] ppid=25749 vsize=80664 CPUtime=0
/proc/25751/task/25753/stat : 25753 (bprolog) S 25749 25751 24571 0 -1 4194368 2 0 0 0 0 0 0 0 25 0 2 0 25428377 82599936 2507 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 80664

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

[startup+1.70133 s]
/proc/loadavg: 1.86 1.97 1.99 3/76 25753
/proc/meminfo: memFree=1893424/2055920 swapFree=4192812/4192956
[pid=25751] ppid=25749 vsize=80664 CPUtime=1.62
/proc/25751/stat : 25751 (bprolog) R 25749 25751 24571 0 -1 4194304 3154 0 0 0 115 47 0 0 25 0 2 0 25428279 82599936 2543 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 18446744073709551615 0 0 17 1 0 0
/proc/25751/statm: 20166 2543 197 144 0 19650 0
[pid=25751/tid=25753] ppid=25749 vsize=80664 CPUtime=0
/proc/25751/task/25753/stat : 25753 (bprolog) S 25749 25751 24571 0 -1 4194368 2 0 0 0 0 0 0 0 25 0 2 0 25428377 82599936 2543 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 1.62
Current children cumulated vsize (KiB) 80664

Child status: 0
Real time (s): 1.72727
CPU time (s): 1.62875
CPU user time (s): 1.15282
CPU system time (s): 0.475927
CPU usage (%): 94.2962
Max. virtual memory (cumulated for all children) (KiB): 80664

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.15282
system time used= 0.475927
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3154
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= 5
involuntary context switches= 3686

runsolver used 0.030995 second user time and 0.05999 second system time

The end

Launcher Data 

Begin job on node10 at 2009-07-12 09:26:52
IDJOB=2086419
IDBENCH=58590
IDSOLVER=770
FILE ID=node10/2086419-1247383612
PBS_JOBID= 9507170
Free space on /tmp= 66420 MiB

SOLVER NAME= bpsolver 09
BENCH NAME= CPAI08/csp/bibdVariousK/normalized-bibd-19-19-9-9-4_glb.xml
COMMAND LINE= HOME/solver BENCHNAMENOEXT TIMEOUT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2086419-1247383612/watcher-2086419-1247383612 -o /tmp/evaluation-result-2086419-1247383612/solver-2086419-1247383612 -C 1800 -W 2000 -M 900  HOME/solver HOME/instance-2086419-1247383612 1800

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

MD5SUM BENCH= 456a0382e65dc0e314fde1d66e75729c
RANDOM SEED=1772911563

node10.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		: 3000.279
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		: 3000.279
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:       1903456 kB
Buffers:         11188 kB
Cached:          67556 kB
SwapCached:          0 kB
Active:          67864 kB
Inactive:        32092 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1903456 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2396 kB
Writeback:           0 kB
Mapped:          31832 kB
Slab:            37800 kB
Committed_AS:   251256 kB
PageTables:       1724 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= 66416 MiB
End job on node10 at 2009-07-12 09:26:54