Trace number 2088578

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 5.95209 5.97842

DiagnosticValue
ASSIGNMENTS2

General information on the benchmark

Namecsp/subs/
normalized-scen06-sub4.xml
MD5SUMbb06c4786729b9bb95e26e13ba659421
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 benchmark0.070989
Satisfiable
(Un)Satisfiability was proved
Number of variables44
Number of constraints499
Maximum constraint arity2
Maximum domain size44
Number of constraints which are defined in extension0
Number of constraints which are defined in intension499
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
0.00/0.01	c Seed is 2128692805
0.00/0.01	c Constructing HOME/instance-2088578-1247729453.xml  with 1475 constraints
0.00/0.04	c Solving 2 backtracks
5.86/5.97	s UNSATISFIABLE
5.86/5.97	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-2088578-1247729453/watcher-2088578-1247729453 -o /tmp/evaluation-result-2088578-1247729453/solver-2088578-1247729453 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 2128692805 HOME/instance-2088578-1247729453.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 4/73 17626
/proc/meminfo: memFree=1473768/2055920 swapFree=4192812/4192956
[pid=17626] ppid=17624 vsize=5356 CPUtime=0
/proc/17626/stat : 17626 (pcssolve) R 17624 17626 17055 0 -1 4194304 290 0 0 0 0 0 0 0 22 0 1 0 60010322 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 224264776351 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/17626/statm: 1339 241 200 169 0 50 0
[pid=17627] ppid=17626 vsize=0 CPUtime=0
/proc/17627/stat : 17627 (fgrep) Z 17626 17626 17055 0 -1 4194316 155 0 0 0 0 0 0 0 18 0 1 0 60010322 0 0 996147200 0 0 0 0 0 0 0 4096 0 18446744071563351923 0 0 17 0 0 0
/proc/17627/statm: 0 0 0 0 0 0 0
[pid=17628] ppid=17626 vsize=5356 CPUtime=0
/proc/17628/stat : 17628 (pcssolve) R 17626 17626 17055 0 -1 4194368 0 0 0 0 0 0 0 0 22 0 1 0 60010322 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 224264776351 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/17628/statm: 1339 241 200 169 0 50 0

[startup+0.048939 s]
/proc/loadavg: 2.00 2.00 2.00 4/73 17626
/proc/meminfo: memFree=1473768/2055920 swapFree=4192812/4192956
[pid=17626] ppid=17624 vsize=5300 CPUtime=0.03
/proc/17626/stat : 17626 (pcs.big) R 17624 17626 17055 0 -1 4194304 1018 662 0 0 3 0 0 0 25 0 1 0 60010322 5427200 649 996147200 134512640 135215973 4294956304 18446744073709551615 134600090 0 0 4096 0 0 0 0 17 0 0 0
/proc/17626/statm: 1325 649 401 171 0 250 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 5300

[startup+0.101948 s]
/proc/loadavg: 2.00 2.00 2.00 4/73 17626
/proc/meminfo: memFree=1473768/2055920 swapFree=4192812/4192956
[pid=17626] ppid=17624 vsize=5564 CPUtime=0.08
/proc/17626/stat : 17626 (pcs.big) R 17624 17626 17055 0 -1 4194304 1072 662 0 0 8 0 0 0 25 0 1 0 60010322 5697536 703 996147200 134512640 135215973 4294956304 18446744073709551615 134583501 0 0 4096 0 0 0 0 17 0 0 0
/proc/17626/statm: 1391 703 401 171 0 316 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 5564

[startup+0.30199 s]
/proc/loadavg: 2.00 2.00 2.00 4/73 17626
/proc/meminfo: memFree=1473768/2055920 swapFree=4192812/4192956
[pid=17626] ppid=17624 vsize=7184 CPUtime=0.28
/proc/17626/stat : 17626 (pcs.big) R 17624 17626 17055 0 -1 4194304 1476 662 0 0 28 0 0 0 25 0 1 0 60010322 7356416 1107 996147200 134512640 135215973 4294956304 18446744073709551615 134590260 0 0 4096 0 0 0 0 17 0 0 0
/proc/17626/statm: 1796 1107 401 171 0 721 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 7184

[startup+0.701059 s]
/proc/loadavg: 2.00 2.00 2.00 4/73 17626
/proc/meminfo: memFree=1473768/2055920 swapFree=4192812/4192956
[pid=17626] ppid=17624 vsize=9508 CPUtime=0.68
/proc/17626/stat : 17626 (pcs.big) R 17624 17626 17055 0 -1 4194304 2042 662 0 0 68 0 0 0 25 0 1 0 60010322 9736192 1673 996147200 134512640 135215973 4294956304 18446744073709551615 134583640 0 0 4096 0 0 0 0 17 0 0 0
/proc/17626/statm: 2377 1673 401 171 0 1302 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 9508

[startup+1.50121 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 17631
/proc/meminfo: memFree=1468256/2055920 swapFree=4192812/4192956
[pid=17626] ppid=17624 vsize=10036 CPUtime=1.48
/proc/17626/stat : 17626 (pcs.big) R 17624 17626 17055 0 -1 4194304 2195 662 0 0 147 1 0 0 25 0 1 0 60010322 10276864 1826 996147200 134512640 135215973 4294956304 18446744073709551615 4158960050 0 0 4096 0 0 0 0 17 0 0 0
/proc/17626/statm: 2509 1826 401 171 0 1434 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 10036

[startup+3.10151 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 17631
/proc/meminfo: memFree=1466976/2055920 swapFree=4192812/4192956
[pid=17626] ppid=17624 vsize=14472 CPUtime=3.08
/proc/17626/stat : 17626 (pcs.big) R 17624 17626 17055 0 -1 4194304 3285 662 0 0 307 1 0 0 25 0 1 0 60010322 14819328 2916 996147200 134512640 135215973 4294956304 18446744073709551615 134583640 0 0 4096 0 0 0 0 17 0 0 0
/proc/17626/statm: 3618 2916 401 171 0 2543 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 14472

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

[startup+4.70181 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 17631
/proc/meminfo: memFree=1463328/2055920 swapFree=4192812/4192956
[pid=17626] ppid=17624 vsize=14472 CPUtime=4.67
/proc/17626/stat : 17626 (pcs.big) R 17624 17626 17055 0 -1 4194304 3294 662 0 0 466 1 0 0 25 0 1 0 60010322 14819328 2925 996147200 134512640 135215973 4294956304 18446744073709551615 134599858 0 0 4096 0 0 0 0 17 0 0 0
/proc/17626/statm: 3618 2925 401 171 0 2543 0
Current children cumulated CPU time (s) 4.67
Current children cumulated vsize (KiB) 14472

[startup+5.50596 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 17631
/proc/meminfo: memFree=1463264/2055920 swapFree=4192812/4192956
[pid=17626] ppid=17624 vsize=14472 CPUtime=5.47
/proc/17626/stat : 17626 (pcs.big) R 17624 17626 17055 0 -1 4194304 3303 662 0 0 546 1 0 0 25 0 1 0 60010322 14819328 2934 996147200 134512640 135215973 4294956304 18446744073709551615 134583640 0 0 4096 0 0 0 0 17 0 0 0
/proc/17626/statm: 3618 2934 401 171 0 2543 0
Current children cumulated CPU time (s) 5.47
Current children cumulated vsize (KiB) 14472

[startup+5.90103 s]
/proc/loadavg: 2.00 2.00 2.00 3/74 17631
/proc/meminfo: memFree=1463264/2055920 swapFree=4192812/4192956
[pid=17626] ppid=17624 vsize=22732 CPUtime=5.86
/proc/17626/stat : 17626 (pcs.big) R 17624 17626 17055 0 -1 4194304 5388 662 0 0 584 2 0 0 25 0 1 0 60010322 23277568 4966 996147200 134512640 135215973 4294956304 18446744073709551615 4158960562 0 0 4096 0 0 0 0 17 0 0 0
/proc/17626/statm: 5683 4966 404 171 0 4608 0
Current children cumulated CPU time (s) 5.86
Current children cumulated vsize (KiB) 22732

Child status: 0
Real time (s): 5.97842
CPU time (s): 5.95209
CPU user time (s): 5.9251
CPU system time (s): 0.026995
CPU usage (%): 99.5597
Max. virtual memory (cumulated for all children) (KiB): 22732

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.9251
system time used= 0.026995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6053
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= 14
involuntary context switches= 97

runsolver used 0.005999 second user time and 0.023996 second system time

The end

Launcher Data 

Begin job on node82 at 2009-07-16 09:30:54
IDJOB=2088578
IDBENCH=58940
IDSOLVER=734
FILE ID=node82/2088578-1247729453
PBS_JOBID= 9521613
Free space on /tmp= 66308 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/subs/normalized-scen06-sub4.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2088578-1247729453/watcher-2088578-1247729453 -o /tmp/evaluation-result-2088578-1247729453/solver-2088578-1247729453 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 2128692805 HOME/instance-2088578-1247729453.xml

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

MD5SUM BENCH= bb06c4786729b9bb95e26e13ba659421
RANDOM SEED=2128692805

node82.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:       1474248 kB
Buffers:         81620 kB
Cached:         370512 kB
SwapCached:          0 kB
Active:          95272 kB
Inactive:       399736 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1474248 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2056 kB
Writeback:           0 kB
Mapped:          54332 kB
Slab:            71992 kB
Committed_AS:   556440 kB
PageTables:       1804 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66308 MiB
End job on node82 at 2009-07-16 09:31:00