Trace number 2088765

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 0.164974 0.177181

DiagnosticValue
ASSIGNMENTS51

General information on the benchmark

Namecsp/geom/
normalized-geo50-20-d4-75-30_ext.xml
MD5SUM673ad44df4716aa9e40ed45e71751fa7
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 benchmark0.06299
Satisfiable
(Un)Satisfiability was proved
Number of variables50
Number of constraints401
Maximum constraint arity2
Maximum domain size20
Number of constraints which are defined in extension401
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data 

0.00/0.01	c small-domain mode
0.07/0.17	c Seed is 289784650
0.07/0.17	c Constructing HOME/instance-2088765-1247729468.xml  with 7990 constraints
0.07/0.17	c Solving 51 backtracks 2 restarts
0.07/0.17	s SATISFIABLE
0.07/0.17	c V0=6, V1=13, V2=4, V3=5, V4=2, V5=15, V6=19, V7=14, V8=3, V9=4, V10=4, V11=18, V12=17, V13=17, V14=20, V15=10, V16=5, V17=12, V18=10, V19=17, V20=2, V21=15, V22=9, V23=3, V24=8, V25=9, V26=6, V27=5, V28=4, V29=15, V30=20, V31=8, V32=16, V33=17, V34=13, V35=11, V36=14, V37=10, V38=11, V39=11, V40=2, V41=16, V42=7, V43=1, V44=19, V45=14, V46=11, V47=16, V48=4, V49=3, 
0.07/0.17	v 6 13 4 5 2 15 19 14 3 4 4 18 17 17 20 10 5 12 10 17 2 15 9 3 8 9 6 5 4 15 20 8 16 17 13 11 14 10 11 11 2 16 7 1 19 14 11 16 4 3 
0.07/0.17	d ASSIGNMENTS 51

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-2088765-1247729468/watcher-2088765-1247729468 -o /tmp/evaluation-result-2088765-1247729468/solver-2088765-1247729468 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 289784650 HOME/instance-2088765-1247729468.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: 1.93 1.98 1.99 4/72 16641
/proc/meminfo: memFree=1331032/2055920 swapFree=4192812/4192956
[pid=16641] ppid=16639 vsize=18576 CPUtime=0
/proc/16641/stat : 16641 (runsolver) R 16639 16641 15544 0 -1 4194368 15 0 0 0 0 0 0 0 20 0 1 0 60010944 19021824 284 996147200 4194304 4302564 548682068496 18446744073709551615 255539604775 0 0 4096 24578 0 0 0 17 1 0 0
/proc/16641/statm: 4644 284 249 26 0 2626 0

[startup+0.0194841 s]
/proc/loadavg: 1.93 1.98 1.99 4/72 16641
/proc/meminfo: memFree=1331032/2055920 swapFree=4192812/4192956
[pid=16641] ppid=16639 vsize=580 CPUtime=0
/proc/16641/stat : 16641 (pcs.small) R 16639 16641 15544 0 -1 4194304 376 822 0 0 0 0 0 0 25 0 1 0 60010944 593920 2 996147200 0 0 4294956700 18446744073709551615 255539604775 0 0 4096 0 0 0 0 17 1 0 0
/proc/16641/statm: 145 2 0 0 0 1 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 580

[startup+0.102447 s]
/proc/loadavg: 1.93 1.98 1.99 4/72 16641
/proc/meminfo: memFree=1331032/2055920 swapFree=4192812/4192956
[pid=16641] ppid=16639 vsize=5696 CPUtime=0.07
/proc/16641/stat : 16641 (pcs.small) R 16639 16641 15544 0 -1 4194304 1126 822 0 0 7 0 0 0 18 0 1 0 60010944 5832704 735 996147200 134512640 135095119 4294956304 18446744073709551615 134984176 0 0 4096 0 0 0 0 17 1 0 0
/proc/16641/statm: 1424 735 364 142 0 378 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 5696

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

Child status: 0
Real time (s): 0.177181
CPU time (s): 0.164974
CPU user time (s): 0.148977
CPU system time (s): 0.015997
CPU usage (%): 93.1104
Max. virtual memory (cumulated for all children) (KiB): 5696

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.148977
system time used= 0.015997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2232
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= 22
involuntary context switches= 12

runsolver used 0.001999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node48 at 2009-07-16 09:31:08
IDJOB=2088765
IDBENCH=59013
IDSOLVER=734
FILE ID=node48/2088765-1247729468
PBS_JOBID= 9521509
Free space on /tmp= 66304 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/geom/normalized-geo50-20-d4-75-30_ext.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2088765-1247729468/watcher-2088765-1247729468 -o /tmp/evaluation-result-2088765-1247729468/solver-2088765-1247729468 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 289784650 HOME/instance-2088765-1247729468.xml

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

MD5SUM BENCH= 673ad44df4716aa9e40ed45e71751fa7
RANDOM SEED=289784650

node48.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		: 3000.237
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		: 3000.237
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:       1331512 kB
Buffers:         81412 kB
Cached:         370924 kB
SwapCached:          0 kB
Active:         341928 kB
Inactive:       305112 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1331512 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2380 kB
Writeback:           0 kB
Mapped:         206108 kB
Slab:            62404 kB
Committed_AS:   744592 kB
PageTables:       2128 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= 66300 MiB
End job on node48 at 2009-07-16 09:31:08