Trace number 2085440

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 09UNSAT 1.61475 1.6332

General information on the benchmark

Namecsp/graphColoring/sgb/
miles/normalized-miles1500-50.xml
MD5SUMb5456e7805b8b2f375e0f21897af217e
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 benchmark0.18997
Satisfiable
(Un)Satisfiability was proved
Number of variables128
Number of constraints5198
Maximum constraint arity2
Maximum domain size50
Number of constraints which are defined in extension0
Number of constraints which are defined in intension5198
Global constraints used (with number of constraints)

Solver Data 

0.00/0.02	c bpsolver version 6.29.2009
0.00/0.02	c converting(HOME/instance-2085440-1247381823)
0.49/0.57	c Converted in 251 ms
0.59/0.63	c solving(HOME/instance-2085440-1247381823,1800000)
0.59/0.64	c solving(HOME/instance-2085440-1247381823,1800000)
1.57/1.63	c before_labeling
1.57/1.63	s UNSATISFIABLE
1.57/1.63	
1.57/1.63	
1.57/1.63	c Time=1041 ms Backtracks=0
1.57/1.63

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-2085440-1247381823/watcher-2085440-1247381823 -o /tmp/evaluation-result-2085440-1247381823/solver-2085440-1247381823 -C 1800 -W 2000 -M 900 HOME/solver HOME/instance-2085440-1247381823 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: 1.97 2.06 2.01 4/81 24506
/proc/meminfo: memFree=1887696/2055920 swapFree=4192812/4192956
[pid=24506] ppid=24504 vsize=7000 CPUtime=0
/proc/24506/stat : 24506 (bprolog) R 24504 24506 24096 0 -1 4194304 590 0 0 0 0 0 0 0 20 0 1 0 25245104 7168000 308 996147200 134512640 135105188 4294956096 18446744073709551615 134530912 0 0 4096 0 0 0 0 17 1 0 0
/proc/24506/statm: 1750 308 72 144 0 1234 0

[startup+0.190854 s]
/proc/loadavg: 1.97 2.06 2.01 4/81 24506
/proc/meminfo: memFree=1887696/2055920 swapFree=4192812/4192956
[pid=24506] ppid=24504 vsize=62208 CPUtime=0.18
/proc/24506/stat : 24506 (bprolog) R 24504 24506 24096 0 -1 4194304 1114 0 0 0 8 10 0 0 20 0 1 0 25245104 63700992 827 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/24506/statm: 15552 827 177 144 0 15036 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 62208

[startup+0.201853 s]
/proc/loadavg: 1.97 2.06 2.01 4/81 24506
/proc/meminfo: memFree=1887696/2055920 swapFree=4192812/4192956
[pid=24506] ppid=24504 vsize=62208 CPUtime=0.18
/proc/24506/stat : 24506 (bprolog) R 24504 24506 24096 0 -1 4194304 1114 0 0 0 8 10 0 0 20 0 1 0 25245104 63700992 827 996147200 134512640 135105188 4294956096 18446744073709551615 134566444 0 0 4096 2 0 0 0 17 1 0 0
/proc/24506/statm: 15552 827 177 144 0 15036 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 62208

[startup+0.301865 s]
/proc/loadavg: 1.97 2.06 2.01 4/81 24506
/proc/meminfo: memFree=1887696/2055920 swapFree=4192812/4192956
[pid=24506] ppid=24504 vsize=62208 CPUtime=0.28
/proc/24506/stat : 24506 (bprolog) R 24504 24506 24096 0 -1 4194304 1117 0 0 0 13 15 0 0 21 0 1 0 25245104 63700992 830 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/24506/statm: 15552 830 177 144 0 15036 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 62208

[startup+0.701911 s]
/proc/loadavg: 1.97 2.06 2.01 4/81 24506
/proc/meminfo: memFree=1887696/2055920 swapFree=4192812/4192956
[pid=24506] ppid=24504 vsize=70228 CPUtime=0.69
/proc/24506/stat : 24506 (bprolog) R 24504 24506 24096 0 -1 4194304 1907 0 0 0 39 30 0 0 25 0 1 0 25245104 71913472 1617 996147200 134512640 135105188 4294956096 18446744073709551615 134570706 0 0 4096 2 0 0 0 17 1 0 0
/proc/24506/statm: 17557 1617 184 144 0 17041 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 70228

[startup+1.50201 s]
/proc/loadavg: 1.97 2.06 2.01 3/82 24507
/proc/meminfo: memFree=1881032/2055920 swapFree=4192812/4192956
[pid=24506] ppid=24504 vsize=70228 CPUtime=1.48
/proc/24506/stat : 24506 (bprolog) R 24504 24506 24096 0 -1 4194304 2520 0 0 0 118 30 0 0 25 0 1 0 25245104 71913472 2230 996147200 134512640 135105188 4294956096 18446744073709551615 134635797 0 0 4096 2 0 0 0 17 1 0 0
/proc/24506/statm: 17557 2230 186 144 0 17041 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 70228

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

[startup+1.60202 s]
/proc/loadavg: 1.97 2.06 2.01 3/82 24507
/proc/meminfo: memFree=1881032/2055920 swapFree=4192812/4192956
[pid=24506] ppid=24504 vsize=70228 CPUtime=1.57
/proc/24506/stat : 24506 (bprolog) R 24504 24506 24096 0 -1 4194304 2618 0 0 0 127 30 0 0 25 0 1 0 25245104 71913472 2328 996147200 134512640 135105188 4294956096 18446744073709551615 134684654 0 0 4096 2 0 0 0 17 1 0 0
/proc/24506/statm: 17557 2328 186 144 0 17041 0
Current children cumulated CPU time (s) 1.57
Current children cumulated vsize (KiB) 70228

Child status: 0
Real time (s): 1.6332
CPU time (s): 1.61475
CPU user time (s): 1.3078
CPU system time (s): 0.306953
CPU usage (%): 98.8706
Max. virtual memory (cumulated for all children) (KiB): 70228

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.3078
system time used= 0.306953
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2652
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= 4
involuntary context switches= 95

runsolver used 0.004999 second user time and 0.011998 second system time

The end

Launcher Data 

Begin job on node66 at 2009-07-12 08:57:03
IDJOB=2085440
IDBENCH=58411
IDSOLVER=770
FILE ID=node66/2085440-1247381823
PBS_JOBID= 9507247
Free space on /tmp= 66248 MiB

SOLVER NAME= bpsolver 09
BENCH NAME= CPAI08/csp/graphColoring/sgb/miles/normalized-miles1500-50.xml
COMMAND LINE= HOME/solver BENCHNAMENOEXT TIMEOUT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2085440-1247381823/watcher-2085440-1247381823 -o /tmp/evaluation-result-2085440-1247381823/solver-2085440-1247381823 -C 1800 -W 2000 -M 900  HOME/solver HOME/instance-2085440-1247381823 1800

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

MD5SUM BENCH= b5456e7805b8b2f375e0f21897af217e
RANDOM SEED=7394878

node66.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		: 3000.214
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		: 3000.214
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:       1888112 kB
Buffers:          9432 kB
Cached:          62172 kB
SwapCached:          0 kB
Active:          93608 kB
Inactive:        21460 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1888112 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1980 kB
Writeback:           0 kB
Mapped:          63924 kB
Slab:            38048 kB
Committed_AS:   236572 kB
PageTables:       1848 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= 66248 MiB
End job on node66 at 2009-07-12 08:57:04