Trace number 2092105

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 1.02984 1.03265

DiagnosticValue
ASSIGNMENTS4798
CHECKS1269910
NODES4798

General information on the benchmark

Namecsp/tightness0.8/
normalized-rand-2-40-80-103-800-17_ext.xml
MD5SUMdc4aad0ada1fb661ff1b842fd77a6a8c
Bench Category2-ARY-EXT (binary constraints in extension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.02984
Satisfiable
(Un)Satisfiability was proved
Number of variables40
Number of constraints103
Maximum constraint arity2
Maximum domain size80
Number of constraints which are defined in extension103
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data 

0.00/0.00	c mistral version 1.545
0.99/1.02	s SATISFIABLE
0.99/1.02	v 34 51 69 48 24 43 31 24 29 45 32 14 25 57 27 45 63 8 10 58 6 41 5 29 66 77 39 20 18 54 79 31 30 52 72 27 43 70 53 66
0.99/1.02	d CHECKS 1269914
0.99/1.02	d ASSIGNMENTS 4798
0.99/1.02	d NODES 4798 BACKTRACKS 4789 FAILURES 4789 RUNTIME 0.91 TOTALTIME 1.01 NODES/s 5272.53 CHECKS/s 1.39551e+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-2092105-1247396998/watcher-2092105-1247396998 -o /tmp/evaluation-result-2092105-1247396998/solver-2092105-1247396998 -C 1800 -W 2000 -M 900 /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2092105-1247396998.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: 2.00 2.00 2.00 3/75 29907
/proc/meminfo: memFree=1678200/2055920 swapFree=4192812/4192956
[pid=29907] ppid=29905 vsize=4804 CPUtime=0
/proc/29907/stat : 29907 (ld-linux.so.2) R 29905 29907 28119 0 -1 4194304 182 0 0 0 0 0 0 0 18 0 1 0 26765140 4919296 163 996147200 1448431616 1448550632 4294956208 18446744073709551615 1448480482 0 0 4096 0 0 0 0 17 0 0 0
/proc/29907/statm: 1201 163 138 29 0 16 0

[startup+0.096537 s]
/proc/loadavg: 2.00 2.00 2.00 3/75 29907
/proc/meminfo: memFree=1678200/2055920 swapFree=4192812/4192956
[pid=29907] ppid=29905 vsize=7320 CPUtime=0.08
/proc/29907/stat : 29907 (ld-linux.so.2) R 29905 29907 28119 0 -1 4194304 1041 0 0 0 8 0 0 0 18 0 1 0 26765140 7495680 1020 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381179 0 0 4096 0 0 0 0 17 0 0 0
/proc/29907/statm: 1830 1021 358 29 0 645 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 7320

[startup+0.101538 s]
/proc/loadavg: 2.00 2.00 2.00 3/75 29907
/proc/meminfo: memFree=1678200/2055920 swapFree=4192812/4192956
[pid=29907] ppid=29905 vsize=7452 CPUtime=0.09
/proc/29907/stat : 29907 (ld-linux.so.2) R 29905 29907 28119 0 -1 4194304 1083 0 0 0 9 0 0 0 18 0 1 0 26765140 7630848 1062 996147200 1448431616 1448550632 4294956208 18446744073709551615 135013306 0 0 4096 0 0 0 0 17 0 0 0
/proc/29907/statm: 1863 1063 367 29 0 678 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7452

[startup+0.301577 s]
/proc/loadavg: 2.00 2.00 2.00 3/75 29907
/proc/meminfo: memFree=1678200/2055920 swapFree=4192812/4192956
[pid=29907] ppid=29905 vsize=8244 CPUtime=0.29
/proc/29907/stat : 29907 (ld-linux.so.2) R 29905 29907 28119 0 -1 4194304 1300 0 0 0 29 0 0 0 19 0 1 0 26765140 8441856 1279 996147200 1448431616 1448550632 4294956208 18446744073709551615 135277764 0 0 4096 0 0 0 0 17 0 0 0
/proc/29907/statm: 2061 1279 412 29 0 876 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8244

[startup+0.701654 s]
/proc/loadavg: 2.00 2.00 2.00 3/75 29907
/proc/meminfo: memFree=1678200/2055920 swapFree=4192812/4192956
[pid=29907] ppid=29905 vsize=8244 CPUtime=0.69
/proc/29907/stat : 29907 (ld-linux.so.2) R 29905 29907 28119 0 -1 4194304 1300 0 0 0 69 0 0 0 22 0 1 0 26765140 8441856 1279 996147200 1448431616 1448550632 4294956208 18446744073709551615 135258182 0 0 4096 0 0 0 0 17 0 0 0
/proc/29907/statm: 2061 1279 412 29 0 876 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 8244

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

[startup+0.901692 s]
/proc/loadavg: 2.00 2.00 2.00 3/75 29907
/proc/meminfo: memFree=1678200/2055920 swapFree=4192812/4192956
[pid=29907] ppid=29905 vsize=8244 CPUtime=0.89
/proc/29907/stat : 29907 (ld-linux.so.2) R 29905 29907 28119 0 -1 4194304 1300 0 0 0 89 0 0 0 24 0 1 0 26765140 8441856 1279 996147200 1448431616 1448550632 4294956208 18446744073709551615 135264238 0 0 4096 0 0 0 0 17 0 0 0
/proc/29907/statm: 2061 1279 412 29 0 876 0
Current children cumulated CPU time (s) 0.89
Current children cumulated vsize (KiB) 8244

[startup+1.00171 s]
/proc/loadavg: 2.00 2.00 2.00 3/76 29908
/proc/meminfo: memFree=1674672/2055920 swapFree=4192812/4192956
[pid=29907] ppid=29905 vsize=8244 CPUtime=0.99
/proc/29907/stat : 29907 (ld-linux.so.2) R 29905 29907 28119 0 -1 4194304 1300 0 0 0 99 0 0 0 25 0 1 0 26765140 8441856 1279 996147200 1448431616 1448550632 4294956208 18446744073709551615 135264238 0 0 4096 0 0 0 0 17 0 0 0
/proc/29907/statm: 2061 1279 412 29 0 876 0
Current children cumulated CPU time (s) 0.99
Current children cumulated vsize (KiB) 8244

Child status: 0
Real time (s): 1.03265
CPU time (s): 1.02984
CPU user time (s): 1.02384
CPU system time (s): 0.005999
CPU usage (%): 99.7281
Max. virtual memory (cumulated for all children) (KiB): 8244

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.02384
system time used= 0.005999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1340
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= 9

runsolver used 0.003999 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node86 at 2009-07-12 13:09:59
IDJOB=2092105
IDBENCH=60264
IDSOLVER=769
FILE ID=node86/2092105-1247396998
PBS_JOBID= 9507318
Free space on /tmp= 66316 MiB

SOLVER NAME= Mistral 1.545
BENCH NAME= CPAI08/csp/tightness0.8/normalized-rand-2-40-80-103-800-17_ext.xml
COMMAND LINE= /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2092105-1247396998/watcher-2092105-1247396998 -o /tmp/evaluation-result-2092105-1247396998/solver-2092105-1247396998 -C 1800 -W 2000 -M 900  /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2092105-1247396998.xml

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

MD5SUM BENCH= dc4aad0ada1fb661ff1b842fd77a6a8c
RANDOM SEED=1517299469

node86.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		: 3000.265
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		: 3000.265
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:       1678680 kB
Buffers:         67676 kB
Cached:         216564 kB
SwapCached:          0 kB
Active:         184348 kB
Inactive:       130624 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1678680 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1976 kB
Writeback:           0 kB
Mapped:          41760 kB
Slab:            47468 kB
Committed_AS:   207604 kB
PageTables:       1944 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= 66316 MiB
End job on node86 at 2009-07-12 13:10:00