Trace number 2073442

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
pcs-restart 0.3.2SAT 0.871866 0.876869

DiagnosticValue
ASSIGNMENTS16

General information on the benchmark

Namecsp/bddSmall/
normalized-bdd-21-133-18-78-11_ext.xml
MD5SUMe9b7d83c81d771feb950258c9be6fc61
Bench CategoryN-ARY-EXT (n-ary constraints in extension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.871866
Satisfiable
(Un)Satisfiability was proved
Number of variables21
Number of constraints133
Maximum constraint arity18
Maximum domain size2
Number of constraints which are defined in extension133
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data 

0.00/0.04	c small-domain mode
0.00/0.05	c Seed is 130364062
0.00/0.05	c Constructing HOME/instance-2073442-1247711852.xml  with 133 constraints
0.68/0.76	c Solving 16 backtracks 1 restarts
0.78/0.87	s SATISFIABLE
0.78/0.87	c V0=1, V1=1, V2=1, V3=1, V4=1, V5=1, V6=1, V7=1, V8=1, V9=1, V10=1, V11=1, V12=1, V13=1, V14=1, V15=1, V16=1, V17=1, V18=1, V19=1, V20=1, 
0.78/0.87	v 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
0.78/0.87	d ASSIGNMENTS 16

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-2073442-1247711852/watcher-2073442-1247711852 -o /tmp/evaluation-result-2073442-1247711852/solver-2073442-1247711852 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 130364062 HOME/instance-2073442-1247711852.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: 1.92 1.98 1.99 4/81 12552
/proc/meminfo: memFree=1328072/2055920 swapFree=4192812/4192956
[pid=12552] ppid=12550 vsize=5356 CPUtime=0
/proc/12552/stat : 12552 (pcssolve) R 12550 12552 11468 0 -1 4194304 290 0 0 0 0 0 0 0 23 0 1 0 58248349 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 217051622047 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/12552/statm: 1339 241 200 169 0 50 0
[pid=12553] ppid=12552 vsize=3676 CPUtime=0
/proc/12553/stat : 12553 (fgrep) R 12552 12552 11468 0 -1 4194304 134 0 0 0 0 0 0 0 24 0 1 0 58248350 3764224 101 996147200 4194304 4274172 548682068976 18446744073709551615 217051169882 0 0 4096 0 0 0 0 17 1 0 0
/proc/12553/statm: 919 101 82 19 0 43 0
[pid=12554] ppid=12552 vsize=5356 CPUtime=0
/proc/12554/stat : 12554 (pcssolve) R 12552 12552 11468 0 -1 4194368 0 0 0 0 0 0 0 0 23 0 1 0 58248350 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 217051622047 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/12554/statm: 1339 241 200 169 0 50 0

[startup+0.109361 s]
/proc/loadavg: 1.92 1.98 1.99 4/81 12552
/proc/meminfo: memFree=1328072/2055920 swapFree=4192812/4192956
[pid=12552] ppid=12550 vsize=6104 CPUtime=0.08
/proc/12552/stat : 12552 (pcs.small) R 12550 12552 11468 0 -1 4194304 1099 3851 0 0 5 0 2 1 24 0 1 0 58248349 6250496 708 996147200 134512640 135095119 4294956304 18446744073709551615 9721467 0 0 4096 0 0 0 0 17 1 0 0
/proc/12552/statm: 1526 708 361 142 0 480 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 6104

[startup+0.202375 s]
/proc/loadavg: 1.92 1.98 1.99 4/81 12552
/proc/meminfo: memFree=1328072/2055920 swapFree=4192812/4192956
[pid=12552] ppid=12550 vsize=7820 CPUtime=0.18
/proc/12552/stat : 12552 (pcs.small) R 12550 12552 11468 0 -1 4194304 1601 3851 0 0 14 1 2 1 24 0 1 0 58248349 8007680 1210 996147200 134512640 135095119 4294956304 18446744073709551615 134770142 0 0 4096 0 0 0 0 17 1 0 0
/proc/12552/statm: 1955 1210 361 142 0 909 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 7820

[startup+0.301402 s]
/proc/loadavg: 1.92 1.98 1.99 4/81 12552
/proc/meminfo: memFree=1328072/2055920 swapFree=4192812/4192956
[pid=12552] ppid=12550 vsize=9536 CPUtime=0.27
/proc/12552/stat : 12552 (pcs.small) R 12550 12552 11468 0 -1 4194304 2085 3851 0 0 23 1 2 1 25 0 1 0 58248349 9764864 1694 996147200 134512640 135095119 4294956304 18446744073709551615 9719349 0 0 4096 0 0 0 0 17 1 0 0
/proc/12552/statm: 2384 1694 362 142 0 1338 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 9536

[startup+0.701472 s]
/proc/loadavg: 1.92 1.98 1.99 4/81 12552
/proc/meminfo: memFree=1328072/2055920 swapFree=4192812/4192956
[pid=12552] ppid=12550 vsize=14576 CPUtime=0.68
/proc/12552/stat : 12552 (pcs.small) R 12550 12552 11468 0 -1 4194304 4086 3851 0 0 63 2 2 1 25 0 1 0 58248349 14925824 2939 996147200 134512640 135095119 4294956304 18446744073709551615 134934336 0 0 4096 0 0 0 0 17 1 0 0
/proc/12552/statm: 3644 2939 375 142 0 2598 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 14576

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

[startup+0.802498 s]
/proc/loadavg: 1.92 1.98 1.99 4/81 12552
/proc/meminfo: memFree=1328072/2055920 swapFree=4192812/4192956
[pid=12552] ppid=12550 vsize=13680 CPUtime=0.78
/proc/12552/stat : 12552 (pcs.small) R 12550 12552 11468 0 -1 4194304 4102 3851 0 0 73 2 2 1 25 0 1 0 58248349 14008320 2757 996147200 134512640 135095119 4294956304 18446744073709551615 134918190 0 0 4096 0 0 0 0 17 1 0 0
/proc/12552/statm: 3420 2757 389 142 0 2374 0
Current children cumulated CPU time (s) 0.78
Current children cumulated vsize (KiB) 13680

Child status: 0
Real time (s): 0.876869
CPU time (s): 0.871866
CPU user time (s): 0.824874
CPU system time (s): 0.046992
CPU usage (%): 99.4295
Max. virtual memory (cumulated for all children) (KiB): 14576

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.824874
system time used= 0.046992
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7956
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= 21
involuntary context switches= 48

runsolver used 0.000999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node59 at 2009-07-16 04:37:32
IDJOB=2073442
IDBENCH=55979
IDSOLVER=734
FILE ID=node59/2073442-1247711852
PBS_JOBID= 9521310
Free space on /tmp= 66344 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/bddSmall/normalized-bdd-21-133-18-78-11_ext.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2073442-1247711852/watcher-2073442-1247711852 -o /tmp/evaluation-result-2073442-1247711852/solver-2073442-1247711852 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 130364062 HOME/instance-2073442-1247711852.xml

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

MD5SUM BENCH= e9b7d83c81d771feb950258c9be6fc61
RANDOM SEED=130364062

node59.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		: 3000.263
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		: 3000.263
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:       1328552 kB
Buffers:         99752 kB
Cached:         421672 kB
SwapCached:          0 kB
Active:         182748 kB
Inactive:       448008 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1328552 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3744 kB
Writeback:           0 kB
Mapped:         129744 kB
Slab:            81460 kB
Committed_AS:   714340 kB
PageTables:       2120 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= 66340 MiB
End job on node59 at 2009-07-16 04:37:33