Trace number 2088522

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 0.3.2UNSAT 4.93625 4.98532

DiagnosticValue
ASSIGNMENTS2

General information on the benchmark

Namecsp/subs/
normalized-scen07-sub1.xml
MD5SUM3f671457976ec6c63daee406271fbebb
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 benchmark0.05999
Satisfiable
(Un)Satisfiability was proved
Number of variables28
Number of constraints314
Maximum constraint arity2
Maximum domain size44
Number of constraints which are defined in extension0
Number of constraints which are defined in intension314
Global constraints used (with number of constraints)

Solver Data 

0.00/0.01	c has big domains
0.00/0.01	c big-domain mode
0.00/0.02	c Seed is 1268372319
0.00/0.05	c Constructing HOME/instance-2088522-1247729433.xml  with 928 constraints
0.00/0.05	c Solving 2 backtracks
4.83/4.98	s UNSATISFIABLE
4.83/4.98	d ASSIGNMENTS 2

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-2088522-1247729433/watcher-2088522-1247729433 -o /tmp/evaluation-result-2088522-1247729433/solver-2088522-1247729433 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 1268372319 HOME/instance-2088522-1247729433.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: 2.03 2.10 2.14 4/72 15918
/proc/meminfo: memFree=1562192/2055920 swapFree=4192812/4192956
[pid=15918] ppid=15916 vsize=18576 CPUtime=0
/proc/15918/stat : 15918 (runsolver) R 15916 15918 15230 0 -1 4194368 15 0 0 0 0 0 0 0 21 0 1 0 60009286 19021824 284 996147200 4194304 4302564 548682068496 18446744073709551615 210824129831 0 0 4096 24578 0 0 0 17 1 0 0
/proc/15918/statm: 4644 284 249 26 0 2626 0

[startup+0.0185059 s]
/proc/loadavg: 2.03 2.10 2.14 4/72 15918
/proc/meminfo: memFree=1562192/2055920 swapFree=4192812/4192956
[pid=15918] ppid=15916 vsize=4404 CPUtime=0
/proc/15918/stat : 15918 (pcs.big) R 15916 15918 15230 0 -1 4194304 494 662 0 0 0 0 0 0 24 0 1 0 60009286 4509696 139 996147200 134512640 135215973 4294956304 18446744073709551615 10948696 0 0 4096 0 0 0 0 17 1 0 0
/proc/15918/statm: 1101 139 121 171 0 14 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 4404

[startup+0.101513 s]
/proc/loadavg: 2.03 2.10 2.14 4/72 15918
/proc/meminfo: memFree=1562192/2055920 swapFree=4192812/4192956
[pid=15918] ppid=15916 vsize=5308 CPUtime=0.08
/proc/15918/stat : 15918 (pcs.big) R 15916 15918 15230 0 -1 4194304 1019 662 0 0 8 0 0 0 24 0 1 0 60009286 5435392 650 996147200 134512640 135215973 4294956304 18446744073709551615 134597390 0 0 4096 0 0 0 0 17 1 0 0
/proc/15918/statm: 1327 650 401 171 0 252 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 5308

[startup+0.301537 s]
/proc/loadavg: 2.03 2.10 2.14 4/72 15918
/proc/meminfo: memFree=1562192/2055920 swapFree=4192812/4192956
[pid=15918] ppid=15916 vsize=6804 CPUtime=0.28
/proc/15918/stat : 15918 (pcs.big) R 15916 15918 15230 0 -1 4194304 1402 662 0 0 28 0 0 0 25 0 1 0 60009286 6967296 1033 996147200 134512640 135215973 4294956304 18446744073709551615 4158960060 0 0 4096 0 0 0 0 17 1 0 0
/proc/15918/statm: 1701 1033 401 171 0 626 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 6804

[startup+0.701583 s]
/proc/loadavg: 2.03 2.10 2.14 4/72 15918
/proc/meminfo: memFree=1562192/2055920 swapFree=4192812/4192956
[pid=15918] ppid=15916 vsize=7728 CPUtime=0.67
/proc/15918/stat : 15918 (pcs.big) R 15916 15918 15230 0 -1 4194304 1620 662 0 0 67 0 0 0 25 0 1 0 60009286 7913472 1251 996147200 134512640 135215973 4294956304 18446744073709551615 4158960004 0 0 4096 0 0 0 0 17 1 0 0
/proc/15918/statm: 1932 1251 401 171 0 857 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 7728

[startup+1.50168 s]
/proc/loadavg: 2.03 2.10 2.14 3/73 15923
/proc/meminfo: memFree=1557448/2055920 swapFree=4192812/4192956
[pid=15918] ppid=15916 vsize=8932 CPUtime=1.46
/proc/15918/stat : 15918 (pcs.big) R 15916 15918 15230 0 -1 4194304 1927 662 0 0 146 0 0 0 25 0 1 0 60009286 9146368 1558 996147200 134512640 135215973 4294956304 18446744073709551615 134583640 0 0 4096 0 0 0 0 17 1 0 0
/proc/15918/statm: 2233 1558 401 171 0 1158 0
Current children cumulated CPU time (s) 1.46
Current children cumulated vsize (KiB) 8932

[startup+3.10187 s]
/proc/loadavg: 2.03 2.10 2.14 3/73 15923
/proc/meminfo: memFree=1557128/2055920 swapFree=4192812/4192956
[pid=15918] ppid=15916 vsize=9856 CPUtime=3.05
/proc/15918/stat : 15918 (pcs.big) R 15916 15918 15230 0 -1 4194304 2157 662 0 0 305 0 0 0 25 0 1 0 60009286 10092544 1788 996147200 134512640 135215973 4294956304 18446744073709551615 134583557 0 0 4096 0 0 0 0 17 1 0 0
/proc/15918/statm: 2464 1788 404 171 0 1389 0
Current children cumulated CPU time (s) 3.05
Current children cumulated vsize (KiB) 9856

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

[startup+3.90297 s]
/proc/loadavg: 2.03 2.10 2.14 3/73 15923
/proc/meminfo: memFree=1556232/2055920 swapFree=4192812/4192956
[pid=15918] ppid=15916 vsize=14688 CPUtime=3.84
/proc/15918/stat : 15918 (pcs.big) R 15916 15918 15230 0 -1 4194304 3357 662 0 0 384 0 0 0 25 0 1 0 60009286 15040512 2988 996147200 134512640 135215973 4294956304 18446744073709551615 134583640 0 0 4096 0 0 0 0 17 1 0 0
/proc/15918/statm: 3672 2988 404 171 0 2597 0
Current children cumulated CPU time (s) 3.84
Current children cumulated vsize (KiB) 14688

[startup+4.70107 s]
/proc/loadavg: 2.03 2.09 2.13 3/73 15923
/proc/meminfo: memFree=1551496/2055920 swapFree=4192812/4192956
[pid=15918] ppid=15916 vsize=14688 CPUtime=4.64
/proc/15918/stat : 15918 (pcs.big) R 15916 15918 15230 0 -1 4194304 3367 662 0 0 464 0 0 0 25 0 1 0 60009286 15040512 2998 996147200 134512640 135215973 4294956304 18446744073709551615 4158960050 0 0 4096 0 0 0 0 17 1 0 0
/proc/15918/statm: 3672 2998 404 171 0 2597 0
Current children cumulated CPU time (s) 4.64
Current children cumulated vsize (KiB) 14688

[startup+4.90109 s]
/proc/loadavg: 2.03 2.09 2.13 3/73 15923
/proc/meminfo: memFree=1551496/2055920 swapFree=4192812/4192956
[pid=15918] ppid=15916 vsize=14688 CPUtime=4.83
/proc/15918/stat : 15918 (pcs.big) R 15916 15918 15230 0 -1 4194304 3367 662 0 0 483 0 0 0 25 0 1 0 60009286 15040512 2998 996147200 134512640 135215973 4294956304 18446744073709551615 134599842 0 0 4096 0 0 0 0 17 1 0 0
/proc/15918/statm: 3672 2998 404 171 0 2597 0
Current children cumulated CPU time (s) 4.83
Current children cumulated vsize (KiB) 14688

Child status: 0
Real time (s): 4.98532
CPU time (s): 4.93625
CPU user time (s): 4.91925
CPU system time (s): 0.016997
CPU usage (%): 99.0157
Max. virtual memory (cumulated for all children) (KiB): 14688

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.91925
system time used= 0.016997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4033
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= 19
involuntary context switches= 123

runsolver used 0.008998 second user time and 0.019996 second system time

The end

Launcher Data 

Begin job on node33 at 2009-07-16 09:30:33
IDJOB=2088522
IDBENCH=58935
IDSOLVER=733
FILE ID=node33/2088522-1247729433
PBS_JOBID= 9521498
Free space on /tmp= 66420 MiB

SOLVER NAME= pcs 0.2
BENCH NAME= CPAI08/csp/subs/normalized-scen07-sub1.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2088522-1247729433/watcher-2088522-1247729433 -o /tmp/evaluation-result-2088522-1247729433/solver-2088522-1247729433 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 1268372319 HOME/instance-2088522-1247729433.xml

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

MD5SUM BENCH= 3f671457976ec6c63daee406271fbebb
RANDOM SEED=1268372319

node33.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		: 3000.229
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		: 3000.229
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:       1562672 kB
Buffers:         83328 kB
Cached:         278976 kB
SwapCached:          0 kB
Active:          91064 kB
Inactive:       315744 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1562672 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2052 kB
Writeback:           0 kB
Mapped:          55976 kB
Slab:            71840 kB
Committed_AS:   587684 kB
PageTables:       1800 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= 66416 MiB
End job on node33 at 2009-07-16 09:30:38