Trace number 2088566

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 4.50431 4.5508

DiagnosticValue
ASSIGNMENTS2

General information on the benchmark

Namecsp/subs/
normalized-scen06-sub2.xml
MD5SUM7fb64fe8ce2331d0bbcb3e49378101c9
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 benchmark0.079987
Satisfiable
(Un)Satisfiability was proved
Number of variables32
Number of constraints369
Maximum constraint arity2
Maximum domain size44
Number of constraints which are defined in extension0
Number of constraints which are defined in intension369
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
0.17/0.20	c Seed is 452895375
0.17/0.20	c Constructing HOME/instance-2088566-1247729449.xml  with 1091 constraints
0.17/0.20	c Solving 2 backtracks
4.44/4.54	s UNSATISFIABLE
4.44/4.54	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-2088566-1247729449/watcher-2088566-1247729449 -o /tmp/evaluation-result-2088566-1247729449/solver-2088566-1247729449 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 452895375 HOME/instance-2088566-1247729449.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 4/81 14081
/proc/meminfo: memFree=1442248/2055920 swapFree=4192812/4192956
[pid=14081] ppid=14079 vsize=5356 CPUtime=0
/proc/14081/stat : 14081 (pcssolve) R 14079 14081 13080 0 -1 4194304 273 0 0 0 0 0 0 0 20 0 1 0 60007929 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 271894243999 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/14081/statm: 1339 241 200 169 0 50 0

[startup+0.013236 s]
/proc/loadavg: 2.00 2.00 2.00 4/81 14081
/proc/meminfo: memFree=1442248/2055920 swapFree=4192812/4192956
[pid=14081] ppid=14079 vsize=5356 CPUtime=0
/proc/14081/stat : 14081 (pcssolve) S 14079 14081 13080 0 -1 4194304 339 317 0 0 0 0 0 0 21 0 1 0 60007929 5484544 242 996147200 4194304 4889804 548682068800 18446744073709551615 271894242116 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/14081/statm: 1339 242 201 169 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5356

[startup+0.101246 s]
/proc/loadavg: 2.00 2.00 2.00 4/81 14081
/proc/meminfo: memFree=1442248/2055920 swapFree=4192812/4192956
[pid=14081] ppid=14079 vsize=5364 CPUtime=0.08
/proc/14081/stat : 14081 (pcs.big) R 14079 14081 13080 0 -1 4194304 1038 662 0 0 8 0 0 0 18 0 1 0 60007929 5492736 669 996147200 134512640 135215973 4294956304 18446744073709551615 4158960075 0 0 4096 0 0 0 0 17 1 0 0
/proc/14081/statm: 1341 669 401 171 0 266 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 5364

[startup+0.301264 s]
/proc/loadavg: 2.00 2.00 2.00 4/81 14081
/proc/meminfo: memFree=1442248/2055920 swapFree=4192812/4192956
[pid=14081] ppid=14079 vsize=6948 CPUtime=0.27
/proc/14081/stat : 14081 (pcs.big) R 14079 14081 13080 0 -1 4194304 1409 662 0 0 27 0 0 0 19 0 1 0 60007929 7114752 1040 996147200 134512640 135215973 4294956304 18446744073709551615 134583640 0 0 4096 0 0 0 0 17 1 0 0
/proc/14081/statm: 1737 1040 401 171 0 662 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 6948

[startup+0.701299 s]
/proc/loadavg: 2.00 2.00 2.00 4/81 14081
/proc/meminfo: memFree=1442248/2055920 swapFree=4192812/4192956
[pid=14081] ppid=14079 vsize=8804 CPUtime=0.68
/proc/14081/stat : 14081 (pcs.big) R 14079 14081 13080 0 -1 4194304 1876 662 0 0 67 1 0 0 23 0 1 0 60007929 9015296 1507 996147200 134512640 135215973 4294956304 18446744073709551615 4158960056 0 0 4096 0 0 0 0 17 1 0 0
/proc/14081/statm: 2201 1507 401 171 0 1126 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 8804

[startup+1.50138 s]
/proc/loadavg: 2.08 2.02 2.01 3/82 14086
/proc/meminfo: memFree=1437696/2055920 swapFree=4192812/4192956
[pid=14081] ppid=14079 vsize=8936 CPUtime=1.47
/proc/14081/stat : 14081 (pcs.big) R 14079 14081 13080 0 -1 4194304 1926 662 0 0 146 1 0 0 25 0 1 0 60007929 9150464 1557 996147200 134512640 135215973 4294956304 18446744073709551615 134583640 0 0 4096 0 0 0 0 17 1 0 0
/proc/14081/statm: 2234 1557 401 171 0 1159 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 8936

[startup+3.10154 s]
/proc/loadavg: 2.08 2.02 2.01 3/82 14086
/proc/meminfo: memFree=1436864/2055920 swapFree=4192812/4192956
[pid=14081] ppid=14079 vsize=10256 CPUtime=3.05
/proc/14081/stat : 14081 (pcs.big) R 14079 14081 13080 0 -1 4194304 2249 662 0 0 304 1 0 0 25 0 1 0 60007929 10502144 1880 996147200 134512640 135215973 4294956304 18446744073709551615 134599858 0 0 4096 0 0 0 0 17 1 0 0
/proc/14081/statm: 2564 1880 401 171 0 1489 0
Current children cumulated CPU time (s) 3.05
Current children cumulated vsize (KiB) 10256

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

[startup+3.90161 s]
/proc/loadavg: 2.08 2.02 2.01 3/82 14086
/proc/meminfo: memFree=1436032/2055920 swapFree=4192812/4192956
[pid=14081] ppid=14079 vsize=14692 CPUtime=3.85
/proc/14081/stat : 14081 (pcs.big) R 14079 14081 13080 0 -1 4194304 3331 662 0 0 383 2 0 0 25 0 1 0 60007929 15044608 2962 996147200 134512640 135215973 4294956304 18446744073709551615 4158960060 0 0 4096 0 0 0 0 17 1 0 0
/proc/14081/statm: 3673 2962 404 171 0 2598 0
Current children cumulated CPU time (s) 3.85
Current children cumulated vsize (KiB) 14692

[startup+4.30165 s]
/proc/loadavg: 2.08 2.02 2.01 3/82 14086
/proc/meminfo: memFree=1431616/2055920 swapFree=4192812/4192956
[pid=14081] ppid=14079 vsize=14692 CPUtime=4.25
/proc/14081/stat : 14081 (pcs.big) R 14079 14081 13080 0 -1 4194304 3337 662 0 0 423 2 0 0 25 0 1 0 60007929 15044608 2968 996147200 134512640 135215973 4294956304 18446744073709551615 134583991 0 0 4096 0 0 0 0 17 1 0 0
/proc/14081/statm: 3673 2968 404 171 0 2598 0
Current children cumulated CPU time (s) 4.25
Current children cumulated vsize (KiB) 14692

[startup+4.50167 s]
/proc/loadavg: 2.08 2.02 2.01 3/82 14086
/proc/meminfo: memFree=1431616/2055920 swapFree=4192812/4192956
[pid=14081] ppid=14079 vsize=14692 CPUtime=4.44
/proc/14081/stat : 14081 (pcs.big) R 14079 14081 13080 0 -1 4194304 3337 662 0 0 442 2 0 0 25 0 1 0 60007929 15044608 2968 996147200 134512640 135215973 4294956304 18446744073709551615 4158960021 0 0 4096 0 0 0 0 17 1 0 0
/proc/14081/statm: 3673 2968 404 171 0 2598 0
Current children cumulated CPU time (s) 4.44
Current children cumulated vsize (KiB) 14692

Child status: 0
Real time (s): 4.5508
CPU time (s): 4.50431
CPU user time (s): 4.47432
CPU system time (s): 0.029995
CPU usage (%): 98.9784
Max. virtual memory (cumulated for all children) (KiB): 14692

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.47432
system time used= 0.029995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4001
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= 103

runsolver used 0.007998 second user time and 0.019996 second system time

The end

Launcher Data 

Begin job on node60 at 2009-07-16 09:30:49
IDJOB=2088566
IDBENCH=58939
IDSOLVER=733
FILE ID=node60/2088566-1247729449
PBS_JOBID= 9521511
Free space on /tmp= 66424 MiB

SOLVER NAME= pcs 0.2
BENCH NAME= CPAI08/csp/subs/normalized-scen06-sub2.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2088566-1247729449/watcher-2088566-1247729449 -o /tmp/evaluation-result-2088566-1247729449/solver-2088566-1247729449 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 452895375 HOME/instance-2088566-1247729449.xml

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

MD5SUM BENCH= 7fb64fe8ce2331d0bbcb3e49378101c9
RANDOM SEED=452895375

node60.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		: 3000.232
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		: 3000.232
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:       1442728 kB
Buffers:         83236 kB
Cached:         384196 kB
SwapCached:          0 kB
Active:         146864 kB
Inactive:       382128 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1442728 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2268 kB
Writeback:           0 kB
Mapped:          81972 kB
Slab:            69144 kB
Committed_AS:   631428 kB
PageTables:       2020 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= 66424 MiB
End job on node60 at 2009-07-16 09:30:54