Trace number 2085033

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 12.1791 12.184

General information on the benchmark

Namecsp/graphColoring/leighton/leighton-25/
normalized-lei450-25d-23.xml
MD5SUMede0d66de0ce550243893916034293f6
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 benchmark0.618905
Satisfiable
(Un)Satisfiability was proved
Number of variables450
Number of constraints17425
Maximum constraint arity2
Maximum domain size23
Number of constraints which are defined in extension0
Number of constraints which are defined in intension17425
Global constraints used (with number of constraints)

Solver Data 

0.09/0.20	c bpsolver version 6.29.2009
0.09/0.20	c converting(HOME/instance-2085033-1247380794)
1.69/1.72	c Converted in 790 ms
1.89/1.92	c solving(HOME/instance-2085033-1247380794,1800000)
1.89/1.92	c solving(HOME/instance-2085033-1247380794,1800000)
12.09/12.18	c before_labeling
12.09/12.18	s UNSATISFIABLE
12.09/12.18	
12.09/12.18	
12.09/12.18	c Time=10444 ms Backtracks=0
12.09/12.18

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-2085033-1247380794/watcher-2085033-1247380794 -o /tmp/evaluation-result-2085033-1247380794/solver-2085033-1247380794 -C 1800 -W 2000 -M 900 HOME/solver HOME/instance-2085033-1247380794 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: 2.07 2.07 2.09 4/76 23714
/proc/meminfo: memFree=1926088/2055920 swapFree=4192812/4192956
[pid=23714] ppid=23712 vsize=7000 CPUtime=0
/proc/23714/stat : 23714 (bprolog) R 23712 23714 23641 0 -1 4194304 602 0 0 0 0 0 0 0 18 0 1 0 25143428 7168000 320 996147200 134512640 135105188 4294956096 18446744073709551615 134530912 0 0 4096 0 0 0 0 17 0 0 0
/proc/23714/statm: 1750 326 72 144 0 1234 0

[startup+0.0722629 s]
/proc/loadavg: 2.07 2.07 2.09 4/76 23714
/proc/meminfo: memFree=1926088/2055920 swapFree=4192812/4192956
[pid=23714] ppid=23712 vsize=62208 CPUtime=0.06
/proc/23714/stat : 23714 (bprolog) R 23712 23714 23641 0 -1 4194304 1150 0 0 0 4 2 0 0 18 0 1 0 25143428 63700992 863 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 0 0 0
/proc/23714/statm: 15552 863 177 144 0 15036 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 62208

[startup+0.102269 s]
/proc/loadavg: 2.07 2.07 2.09 4/76 23714
/proc/meminfo: memFree=1926088/2055920 swapFree=4192812/4192956
[pid=23714] ppid=23712 vsize=62208 CPUtime=0.09
/proc/23714/stat : 23714 (bprolog) R 23712 23714 23641 0 -1 4194304 1152 0 0 0 5 4 0 0 18 0 1 0 25143428 63700992 865 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 0 0 0
/proc/23714/statm: 15552 865 177 144 0 15036 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 62208

[startup+0.30129 s]
/proc/loadavg: 2.07 2.07 2.09 4/76 23714
/proc/meminfo: memFree=1926088/2055920 swapFree=4192812/4192956
[pid=23714] ppid=23712 vsize=62208 CPUtime=0.29
/proc/23714/stat : 23714 (bprolog) R 23712 23714 23641 0 -1 4194304 1159 0 0 0 13 16 0 0 20 0 1 0 25143428 63700992 872 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 0 0 0
/proc/23714/statm: 15552 872 177 144 0 15036 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 62208

[startup+0.701337 s]
/proc/loadavg: 2.07 2.07 2.09 4/76 23714
/proc/meminfo: memFree=1926088/2055920 swapFree=4192812/4192956
[pid=23714] ppid=23712 vsize=62208 CPUtime=0.69
/proc/23714/stat : 23714 (bprolog) R 23712 23714 23641 0 -1 4194304 1172 0 0 0 32 37 0 0 24 0 1 0 25143428 63700992 885 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 0 0 0
/proc/23714/statm: 15552 885 177 144 0 15036 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 62208

[startup+1.50143 s]
/proc/loadavg: 2.06 2.07 2.09 3/77 23715
/proc/meminfo: memFree=1922688/2055920 swapFree=4192812/4192956
[pid=23714] ppid=23712 vsize=62208 CPUtime=1.49
/proc/23714/stat : 23714 (bprolog) R 23712 23714 23641 0 -1 4194304 1196 0 0 0 70 79 0 0 25 0 1 0 25143428 63700992 909 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 0 0 0
/proc/23714/statm: 15552 909 177 144 0 15036 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 62208

[startup+3.10162 s]
/proc/loadavg: 2.06 2.07 2.09 3/77 23715
/proc/meminfo: memFree=1911808/2055920 swapFree=4192812/4192956
[pid=23714] ppid=23712 vsize=74624 CPUtime=3.09
/proc/23714/stat : 23714 (bprolog) R 23712 23714 23641 0 -1 4194304 3794 0 0 0 217 92 0 0 25 0 1 0 25143428 76414976 3502 996147200 134512640 135105188 4294956096 18446744073709551615 134566052 0 0 4096 2 0 0 0 17 0 0 0
/proc/23714/statm: 18656 3502 184 144 0 18140 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 74624

[startup+6.302 s]
/proc/loadavg: 2.06 2.07 2.09 3/77 23715
/proc/meminfo: memFree=1911360/2055920 swapFree=4192812/4192956
[pid=23714] ppid=23712 vsize=74884 CPUtime=6.29
/proc/23714/stat : 23714 (bprolog) R 23712 23714 23641 0 -1 4194304 3920 0 0 0 537 92 0 0 25 0 1 0 25143428 76681216 3595 996147200 134512640 135105188 4294956096 18446744073709551615 134800642 0 0 4096 2 0 0 0 17 0 0 0
/proc/23714/statm: 18721 3595 186 144 0 18205 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 74884

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

[startup+9.50137 s]
/proc/loadavg: 2.06 2.07 2.08 3/77 23715
/proc/meminfo: memFree=1911360/2055920 swapFree=4192812/4192956
[pid=23714] ppid=23712 vsize=74884 CPUtime=9.49
/proc/23714/stat : 23714 (bprolog) R 23712 23714 23641 0 -1 4194304 3920 0 0 0 857 92 0 0 25 0 1 0 25143428 76681216 3595 996147200 134512640 135105188 4294956096 18446744073709551615 134570521 0 0 4096 2 0 0 0 17 0 0 0
/proc/23714/statm: 18721 3595 186 144 0 18205 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 74884

[startup+11.1016 s]
/proc/loadavg: 2.05 2.07 2.08 3/77 23715
/proc/meminfo: memFree=1910976/2055920 swapFree=4192812/4192956
[pid=23714] ppid=23712 vsize=74884 CPUtime=11.09
/proc/23714/stat : 23714 (bprolog) R 23712 23714 23641 0 -1 4194304 4095 0 0 0 1017 92 0 0 25 0 1 0 25143428 76681216 3770 996147200 134512640 135105188 4294956096 18446744073709551615 134800234 0 0 4096 2 0 0 0 17 0 0 0
/proc/23714/statm: 18721 3770 186 144 0 18205 0
Current children cumulated CPU time (s) 11.09
Current children cumulated vsize (KiB) 74884

[startup+11.9017 s]
/proc/loadavg: 2.05 2.07 2.08 3/77 23715
/proc/meminfo: memFree=1910976/2055920 swapFree=4192812/4192956
[pid=23714] ppid=23712 vsize=74884 CPUtime=11.89
/proc/23714/stat : 23714 (bprolog) R 23712 23714 23641 0 -1 4194304 4208 0 0 0 1097 92 0 0 25 0 1 0 25143428 76681216 3883 996147200 134512640 135105188 4294956096 18446744073709551615 134684436 0 0 4096 2 0 0 0 17 0 0 0
/proc/23714/statm: 18721 3883 186 144 0 18205 0
Current children cumulated CPU time (s) 11.89
Current children cumulated vsize (KiB) 74884

[startup+12.1057 s]
/proc/loadavg: 2.05 2.07 2.08 3/77 23715
/proc/meminfo: memFree=1910272/2055920 swapFree=4192812/4192956
[pid=23714] ppid=23712 vsize=74884 CPUtime=12.09
/proc/23714/stat : 23714 (bprolog) R 23712 23714 23641 0 -1 4194304 4241 0 0 0 1117 92 0 0 25 0 1 0 25143428 76681216 3916 996147200 134512640 135105188 4294956096 18446744073709551615 134684669 0 0 4096 2 0 0 0 17 0 0 0
/proc/23714/statm: 18721 3916 186 144 0 18205 0
Current children cumulated CPU time (s) 12.09
Current children cumulated vsize (KiB) 74884

Child status: 0
Real time (s): 12.184
CPU time (s): 12.1791
CPU user time (s): 11.2513
CPU system time (s): 0.927858
CPU usage (%): 99.96
Max. virtual memory (cumulated for all children) (KiB): 74884

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 11.2513
system time used= 0.927858
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4256
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= 2
involuntary context switches= 67

runsolver used 0.011998 second user time and 0.040993 second system time

The end

Launcher Data 

Begin job on node53 at 2009-07-12 08:39:54
IDJOB=2085033
IDBENCH=58276
IDSOLVER=770
FILE ID=node53/2085033-1247380794
PBS_JOBID= 9507265
Free space on /tmp= 65972 MiB

SOLVER NAME= bpsolver 09
BENCH NAME= CPAI08/csp/graphColoring/leighton/leighton-25/normalized-lei450-25d-23.xml
COMMAND LINE= HOME/solver BENCHNAMENOEXT TIMEOUT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2085033-1247380794/watcher-2085033-1247380794 -o /tmp/evaluation-result-2085033-1247380794/solver-2085033-1247380794 -C 1800 -W 2000 -M 900  HOME/solver HOME/instance-2085033-1247380794 1800

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

MD5SUM BENCH= ede0d66de0ce550243893916034293f6
RANDOM SEED=848511657

node53.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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1926504 kB
Buffers:          5256 kB
Cached:          47988 kB
SwapCached:          0 kB
Active:          52520 kB
Inactive:        24912 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1926504 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3764 kB
Writeback:           0 kB
Mapped:          34916 kB
Slab:            37416 kB
Committed_AS:   292628 kB
PageTables:       1744 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= 65972 MiB
End job on node53 at 2009-07-12 08:40:06