Trace number 2085729

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 0.3.2UNSAT 3.20851 3.23251

DiagnosticValue
ASSIGNMENTS24165

General information on the benchmark

Namecsp/graphColoring/insertion/full-insertion/
normalized-5-fullins-4-7.xml
MD5SUM3e7638c37958a01448b50ae347b759a9
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 benchmark2.52761
Satisfiable
(Un)Satisfiability was proved
Number of variables1085
Number of constraints11395
Maximum constraint arity2
Maximum domain size7
Number of constraints which are defined in extension0
Number of constraints which are defined in intension11395
Global constraints used (with number of constraints)

Solver Data 

0.00/0.02	c small-domain mode
0.00/0.04	c Seed is 1362265121
0.00/0.04	c Constructing HOME/instance-2085729-1247726307.xml  with 11395 constraints
0.37/0.41	c Solving 24165 backtracks 16 restarts
3.16/3.23	s UNSATISFIABLE
3.16/3.23	d ASSIGNMENTS 24165

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-2085729-1247726307/watcher-2085729-1247726307 -o /tmp/evaluation-result-2085729-1247726307/solver-2085729-1247726307 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 1362265121 HOME/instance-2085729-1247726307.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 2.01 1.99 4/81 20460
/proc/meminfo: memFree=1623824/2055920 swapFree=4192812/4192956
[pid=20460] ppid=20458 vsize=18576 CPUtime=0
/proc/20460/stat : 20460 (runsolver) R 20458 20460 20423 0 -1 4194368 15 0 0 0 0 0 0 0 20 0 1 0 59694145 19021824 284 996147200 4194304 4302564 548682068496 18446744073709551615 273653755175 0 0 4096 24578 0 0 0 17 1 0 0
/proc/20460/statm: 4644 284 249 26 0 2626 0

[startup+0.022048 s]
/proc/loadavg: 1.93 2.01 1.99 4/81 20460
/proc/meminfo: memFree=1623824/2055920 swapFree=4192812/4192956
[pid=20460] ppid=20458 vsize=5356 CPUtime=0
/proc/20460/stat : 20460 (pcssolve) S 20458 20460 20423 0 -1 4194304 367 649 0 0 0 0 0 0 23 0 1 0 59694145 5484544 243 996147200 4194304 4889804 548682068800 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/20460/statm: 1339 243 202 169 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5356

[startup+0.102051 s]
/proc/loadavg: 1.93 2.01 1.99 4/81 20460
/proc/meminfo: memFree=1623824/2055920 swapFree=4192812/4192956
[pid=20460] ppid=20458 vsize=5080 CPUtime=0.07
/proc/20460/stat : 20460 (pcs.small) R 20458 20460 20423 0 -1 4194304 966 822 0 0 7 0 0 0 18 0 1 0 59694145 5201920 575 996147200 134512640 135095119 4294956304 18446744073709551615 134524744 0 0 4096 0 0 0 0 17 1 0 0
/proc/20460/statm: 1270 575 373 142 0 224 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 5080

[startup+0.302067 s]
/proc/loadavg: 1.93 2.01 1.99 4/81 20460
/proc/meminfo: memFree=1623824/2055920 swapFree=4192812/4192956
[pid=20460] ppid=20458 vsize=6552 CPUtime=0.27
/proc/20460/stat : 20460 (pcs.small) R 20458 20460 20423 0 -1 4194304 1380 822 0 0 27 0 0 0 19 0 1 0 59694145 6709248 891 996147200 134512640 135095119 4294956304 18446744073709551615 4159787018 0 0 4096 0 0 0 0 17 1 0 0
/proc/20460/statm: 1638 891 373 142 0 592 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 6552

[startup+0.702092 s]
/proc/loadavg: 1.93 2.01 1.99 4/81 20460
/proc/meminfo: memFree=1623824/2055920 swapFree=4192812/4192956
[pid=20460] ppid=20458 vsize=7364 CPUtime=0.66
/proc/20460/stat : 20460 (pcs.small) R 20458 20460 20423 0 -1 4194304 1667 822 0 0 66 0 0 0 23 0 1 0 59694145 7540736 1145 996147200 134512640 135095119 4294956304 18446744073709551615 134617027 0 0 4096 0 0 0 0 17 1 0 0
/proc/20460/statm: 1841 1145 385 142 0 795 0
Current children cumulated CPU time (s) 0.66
Current children cumulated vsize (KiB) 7364

[startup+1.50115 s]
/proc/loadavg: 1.93 2.01 1.99 3/82 20466
/proc/meminfo: memFree=1620288/2055920 swapFree=4192812/4192956
[pid=20460] ppid=20458 vsize=8772 CPUtime=1.46
/proc/20460/stat : 20460 (pcs.small) R 20458 20460 20423 0 -1 4194304 2171 822 0 0 146 0 0 0 25 0 1 0 59694145 8982528 1326 996147200 134512640 135095119 4294956304 18446744073709551615 4159337218 0 0 4096 0 0 0 0 17 1 0 0
/proc/20460/statm: 2193 1326 385 142 0 1147 0
Current children cumulated CPU time (s) 1.46
Current children cumulated vsize (KiB) 8772

[startup+3.10126 s]
/proc/loadavg: 1.93 2.01 1.99 3/82 20466
/proc/meminfo: memFree=1618752/2055920 swapFree=4192812/4192956
[pid=20460] ppid=20458 vsize=13124 CPUtime=3.06
/proc/20460/stat : 20460 (pcs.small) R 20458 20460 20423 0 -1 4194304 3483 822 0 0 305 1 0 0 25 0 1 0 59694145 13438976 2124 996147200 134512640 135095119 4294956304 18446744073709551615 134607174 0 0 4096 0 0 0 0 17 1 0 0
/proc/20460/statm: 3281 2124 385 142 0 2235 0
Current children cumulated CPU time (s) 3.06
Current children cumulated vsize (KiB) 13124

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

[startup+3.20126 s]
/proc/loadavg: 1.93 2.01 1.99 3/82 20466
/proc/meminfo: memFree=1616576/2055920 swapFree=4192812/4192956
[pid=20460] ppid=20458 vsize=13124 CPUtime=3.16
/proc/20460/stat : 20460 (pcs.small) R 20458 20460 20423 0 -1 4194304 3494 822 0 0 315 1 0 0 25 0 1 0 59694145 13438976 2135 996147200 134512640 135095119 4294956304 18446744073709551615 134642982 0 0 4096 0 0 0 0 17 1 0 0
/proc/20460/statm: 3281 2135 385 142 0 2235 0
Current children cumulated CPU time (s) 3.16
Current children cumulated vsize (KiB) 13124

Child status: 0
Real time (s): 3.23251
CPU time (s): 3.20851
CPU user time (s): 3.18252
CPU system time (s): 0.025996
CPU usage (%): 99.2575
Max. virtual memory (cumulated for all children) (KiB): 13124

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.18252
system time used= 0.025996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4318
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= 46

runsolver used 0.006998 second user time and 0.017997 second system time

The end

Launcher Data 

Begin job on node52 at 2009-07-16 08:38:27
IDJOB=2085729
IDBENCH=58488
IDSOLVER=734
FILE ID=node52/2085729-1247726307
PBS_JOBID= 9521601
Free space on /tmp= 66188 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/graphColoring/insertion/full-insertion/normalized-5-fullins-4-7.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2085729-1247726307/watcher-2085729-1247726307 -o /tmp/evaluation-result-2085729-1247726307/solver-2085729-1247726307 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 1362265121 HOME/instance-2085729-1247726307.xml

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

MD5SUM BENCH= 3e7638c37958a01448b50ae347b759a9
RANDOM SEED=1362265121

node52.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		: 3000.236
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		: 3000.236
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:       1624304 kB
Buffers:         81224 kB
Cached:         237356 kB
SwapCached:          0 kB
Active:         123144 kB
Inactive:       239612 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1624304 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3328 kB
Writeback:           0 kB
Mapped:          64624 kB
Slab:            53956 kB
Committed_AS:   711508 kB
PageTables:       2028 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= 66184 MiB
End job on node52 at 2009-07-16 08:38:30