Trace number 2087730

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 83.8602 84.6128

DiagnosticValue
ASSIGNMENTS65835

General information on the benchmark

Namecsp/os-taillard-7/
normalized-os-taillard-7-95-6.xml
MD5SUMe78566b5f352b94a6ae6ba86db300b0a
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 benchmark0.075988
Satisfiable
(Un)Satisfiability was proved
Number of variables49
Number of constraints294
Maximum constraint arity2
Maximum domain size397
Number of constraints which are defined in extension0
Number of constraints which are defined in intension294
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
0.00/0.20	c Seed is 1637510541
0.00/0.20	c Constructing HOME/instance-2087730-1247728272.xml  with 2058 constraints
0.00/0.20	c Solving 65835 backtracks 18 restarts
83.73/84.59	s UNSATISFIABLE
83.73/84.59	d ASSIGNMENTS 65835

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-2087730-1247728272/watcher-2087730-1247728272 -o /tmp/evaluation-result-2087730-1247728272/solver-2087730-1247728272 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 1637510541 HOME/instance-2087730-1247728272.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 4/72 21116
/proc/meminfo: memFree=1490784/2055920 swapFree=4192812/4192956
[pid=21116] ppid=21114 vsize=5356 CPUtime=0
/proc/21116/stat : 21116 (pcssolve) R 21114 21116 20963 0 -1 4194304 265 0 0 0 0 0 0 0 20 0 1 0 59889924 5484544 233 996147200 4194304 4889804 548682068800 18446744073709551615 271638822512 0 0 4100 65536 0 0 0 17 1 0 0
/proc/21116/statm: 1339 233 194 169 0 50 0

[startup+0.20922 s]
/proc/loadavg: 2.00 2.00 2.00 4/72 21116
/proc/meminfo: memFree=1490784/2055920 swapFree=4192812/4192956
[pid=21116] ppid=21114 vsize=6072 CPUtime=0.19
/proc/21116/stat : 21116 (pcs.big) R 21114 21116 20963 0 -1 4194304 1179 660 0 0 19 0 0 0 19 0 1 0 59889924 6217728 810 996147200 134512640 135215973 4294956304 18446744073709551615 4158960542 0 0 4096 0 0 0 0 17 1 0 0
/proc/21116/statm: 1518 810 406 171 0 443 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 6072

[startup+0.301133 s]
/proc/loadavg: 2.00 2.00 2.00 4/72 21116
/proc/meminfo: memFree=1490784/2055920 swapFree=4192812/4192956
[pid=21116] ppid=21114 vsize=6072 CPUtime=0.28
/proc/21116/stat : 21116 (pcs.big) R 21114 21116 20963 0 -1 4194304 1196 660 0 0 28 0 0 0 19 0 1 0 59889924 6217728 827 996147200 134512640 135215973 4294956304 18446744073709551615 4158960272 0 0 4096 0 0 0 0 17 1 0 0
/proc/21116/statm: 1518 827 406 171 0 443 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 6072

[startup+0.401144 s]
/proc/loadavg: 2.00 2.00 2.00 4/72 21116
/proc/meminfo: memFree=1490784/2055920 swapFree=4192812/4192956
[pid=21116] ppid=21114 vsize=6228 CPUtime=0.38
/proc/21116/stat : 21116 (pcs.big) R 21114 21116 20963 0 -1 4194304 1232 660 0 0 38 0 0 0 20 0 1 0 59889924 6377472 863 996147200 134512640 135215973 4294956304 18446744073709551615 134532900 0 0 4096 0 0 0 0 17 1 0 0
/proc/21116/statm: 1557 863 406 171 0 482 0
Current children cumulated CPU time (s) 0.38
Current children cumulated vsize (KiB) 6228

[startup+0.701176 s]
/proc/loadavg: 2.00 2.00 2.00 4/72 21116
/proc/meminfo: memFree=1490784/2055920 swapFree=4192812/4192956
[pid=21116] ppid=21114 vsize=6732 CPUtime=0.67
/proc/21116/stat : 21116 (pcs.big) R 21114 21116 20963 0 -1 4194304 1344 660 0 0 67 0 0 0 23 0 1 0 59889924 6893568 975 996147200 134512640 135215973 4294956304 18446744073709551615 4158960064 0 0 4096 0 0 0 0 17 1 0 0
/proc/21116/statm: 1683 975 406 171 0 608 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 6732

[startup+1.50126 s]
/proc/loadavg: 2.00 2.00 2.00 3/73 21121
/proc/meminfo: memFree=1487576/2055920 swapFree=4192812/4192956
[pid=21116] ppid=21114 vsize=7764 CPUtime=1.47
/proc/21116/stat : 21116 (pcs.big) R 21114 21116 20963 0 -1 4194304 1629 660 0 0 147 0 0 0 25 0 1 0 59889924 7950336 1227 996147200 134512640 135215973 4294956304 18446744073709551615 134583366 0 0 4096 0 0 0 0 17 1 0 0
/proc/21116/statm: 1941 1227 406 171 0 866 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 7764

[startup+3.10142 s]
/proc/loadavg: 2.00 2.00 2.00 3/73 21121
/proc/meminfo: memFree=1485720/2055920 swapFree=4192812/4192956
[pid=21116] ppid=21114 vsize=10420 CPUtime=3.05
/proc/21116/stat : 21116 (pcs.big) R 21114 21116 20963 0 -1 4194304 2366 660 0 0 305 0 0 0 25 0 1 0 59889924 10670080 1866 996147200 134512640 135215973 4294956304 18446744073709551615 134648403 0 0 4096 0 0 0 0 17 1 0 0
/proc/21116/statm: 2605 1866 406 171 0 1530 0
Current children cumulated CPU time (s) 3.05
Current children cumulated vsize (KiB) 10420

[startup+6.30175 s]
/proc/loadavg: 2.00 2.00 2.00 3/73 21121
/proc/meminfo: memFree=1481304/2055920 swapFree=4192812/4192956
[pid=21116] ppid=21114 vsize=14600 CPUtime=6.22
/proc/21116/stat : 21116 (pcs.big) R 21114 21116 20963 0 -1 4194304 3540 660 0 0 621 1 0 0 25 0 1 0 59889924 14950400 2911 996147200 134512640 135215973 4294956304 18446744073709551615 134597328 0 0 4096 0 0 0 0 17 1 0 0
/proc/21116/statm: 3650 2911 406 171 0 2575 0
Current children cumulated CPU time (s) 6.22
Current children cumulated vsize (KiB) 14600

[startup+12.7014 s]
/proc/loadavg: 2.00 2.00 2.00 3/73 21121
/proc/meminfo: memFree=1471192/2055920 swapFree=4192812/4192956
[pid=21116] ppid=21114 vsize=24524 CPUtime=12.56
/proc/21116/stat : 21116 (pcs.big) R 21114 21116 20963 0 -1 4194304 6303 660 0 0 1254 2 0 0 25 0 1 0 59889924 25112576 5299 996147200 134512640 135215973 4294956304 18446744073709551615 134585720 0 0 4096 0 0 0 0 17 1 0 0
/proc/21116/statm: 6131 5299 406 171 0 5056 0
Current children cumulated CPU time (s) 12.56
Current children cumulated vsize (KiB) 24524

[startup+25.5067 s]
/proc/loadavg: 2.00 2.00 2.00 3/73 21121
/proc/meminfo: memFree=1453976/2055920 swapFree=4192812/4192956
[pid=21116] ppid=21114 vsize=41768 CPUtime=25.25
/proc/21116/stat : 21116 (pcs.big) R 21114 21116 20963 0 -1 4194304 11046 660 0 0 2520 5 0 0 25 0 1 0 59889924 42770432 9400 996147200 134512640 135215973 4294956304 18446744073709551615 134533259 0 0 4096 0 0 0 0 17 1 0 0
/proc/21116/statm: 10442 9400 406 171 0 9367 0
Current children cumulated CPU time (s) 25.25
Current children cumulated vsize (KiB) 41768

[startup+51.1013 s]
/proc/loadavg: 2.00 2.00 2.00 3/73 21121
/proc/meminfo: memFree=1418584/2055920 swapFree=4192812/4192956
[pid=21116] ppid=21114 vsize=78088 CPUtime=50.62
/proc/21116/stat : 21116 (pcs.big) R 21114 21116 20963 0 -1 4194304 21101 660 0 0 5052 10 0 0 25 0 1 0 59889924 79962112 18173 996147200 134512640 135215973 4294956304 18446744073709551615 134589867 0 0 4096 0 0 0 0 17 1 0 0
/proc/21116/statm: 19522 18173 406 171 0 18447 0
Current children cumulated CPU time (s) 50.62
Current children cumulated vsize (KiB) 78088

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

[startup+51.3014 s]
/proc/loadavg: 2.00 2.00 2.00 3/73 21121
/proc/meminfo: memFree=1418584/2055920 swapFree=4192812/4192956
[pid=21116] ppid=21114 vsize=78336 CPUtime=50.82
/proc/21116/stat : 21116 (pcs.big) R 21114 21116 20963 0 -1 4194304 21184 660 0 0 5072 10 0 0 25 0 1 0 59889924 80216064 18256 996147200 134512640 135215973 4294956304 18446744073709551615 4159345920 0 0 4096 0 0 0 0 17 1 0 0
/proc/21116/statm: 19584 18256 406 171 0 18509 0
Current children cumulated CPU time (s) 50.82
Current children cumulated vsize (KiB) 78336

[startup+64.1017 s]
/proc/loadavg: 2.00 2.00 2.00 3/73 21121
/proc/meminfo: memFree=1401432/2055920 swapFree=4192812/4192956
[pid=21116] ppid=21114 vsize=92548 CPUtime=63.51
/proc/21116/stat : 21116 (pcs.big) R 21114 21116 20963 0 -1 4194304 25189 660 0 0 6339 12 0 0 25 0 1 0 59889924 94769152 22261 996147200 134512640 135215973 4294956304 18446744073709551615 134599842 0 0 4096 0 0 0 0 17 1 0 0
/proc/21116/statm: 23137 22261 406 171 0 22062 0
Current children cumulated CPU time (s) 63.51
Current children cumulated vsize (KiB) 92548

[startup+76.902 s]
/proc/loadavg: 2.00 2.00 2.00 3/73 21121
/proc/meminfo: memFree=1386712/2055920 swapFree=4192812/4192956
[pid=21116] ppid=21114 vsize=114516 CPUtime=76.2
/proc/21116/stat : 21116 (pcs.big) R 21114 21116 20963 0 -1 4194304 31058 660 0 0 7604 16 0 0 25 0 1 0 59889924 117264384 26081 996147200 134512640 135215973 4294956304 18446744073709551615 4158960004 0 0 4096 0 0 0 0 17 1 0 0
/proc/21116/statm: 28629 26081 406 171 0 27554 0
Current children cumulated CPU time (s) 76.2
Current children cumulated vsize (KiB) 114516

[startup+80.1013 s]
/proc/loadavg: 2.00 2.00 2.00 3/73 21121
/proc/meminfo: memFree=1378136/2055920 swapFree=4192812/4192956
[pid=21116] ppid=21114 vsize=123440 CPUtime=79.37
/proc/21116/stat : 21116 (pcs.big) R 21114 21116 20963 0 -1 4194304 33385 660 0 0 7921 16 0 0 25 0 1 0 59889924 126402560 27895 996147200 134512640 135215973 4294956304 18446744073709551615 135095910 0 0 4096 0 0 0 0 17 1 0 0
/proc/21116/statm: 30860 27895 406 171 0 29785 0
Current children cumulated CPU time (s) 79.37
Current children cumulated vsize (KiB) 123440

[startup+81.7025 s]
/proc/loadavg: 2.00 2.00 2.00 3/73 21121
/proc/meminfo: memFree=1377304/2055920 swapFree=4192812/4192956
[pid=21116] ppid=21114 vsize=124064 CPUtime=80.95
/proc/21116/stat : 21116 (pcs.big) R 21114 21116 20963 0 -1 4194304 33614 660 0 0 8079 16 0 0 25 0 1 0 59889924 127041536 28124 996147200 134512640 135215973 4294956304 18446744073709551615 134676156 0 0 4096 0 0 0 0 17 1 0 0
/proc/21116/statm: 31016 28124 406 171 0 29941 0
Current children cumulated CPU time (s) 80.95
Current children cumulated vsize (KiB) 124064

[startup+83.3016 s]
/proc/loadavg: 2.00 2.00 2.00 3/73 21121
/proc/meminfo: memFree=1376152/2055920 swapFree=4192812/4192956
[pid=21116] ppid=21114 vsize=125568 CPUtime=82.54
/proc/21116/stat : 21116 (pcs.big) R 21114 21116 20963 0 -1 4194304 34029 660 0 0 8237 17 0 0 25 0 1 0 59889924 128581632 28539 996147200 134512640 135215973 4294956304 18446744073709551615 134589880 0 0 4096 0 0 0 0 17 1 0 0
/proc/21116/statm: 31392 28539 406 171 0 30317 0
Current children cumulated CPU time (s) 82.54
Current children cumulated vsize (KiB) 125568

[startup+84.1017 s]
/proc/loadavg: 2.00 2.00 2.00 3/73 21121
/proc/meminfo: memFree=1374936/2055920 swapFree=4192812/4192956
[pid=21116] ppid=21114 vsize=126316 CPUtime=83.33
/proc/21116/stat : 21116 (pcs.big) R 21114 21116 20963 0 -1 4194304 34229 660 0 0 8316 17 0 0 25 0 1 0 59889924 129347584 28739 996147200 134512640 135215973 4294956304 18446744073709551615 134533127 0 0 4096 0 0 0 0 17 1 0 0
/proc/21116/statm: 31579 28739 406 171 0 30504 0
Current children cumulated CPU time (s) 83.33
Current children cumulated vsize (KiB) 126316

[startup+84.5018 s]
/proc/loadavg: 2.00 2.00 2.00 3/73 21121
/proc/meminfo: memFree=1374936/2055920 swapFree=4192812/4192956
[pid=21116] ppid=21114 vsize=122476 CPUtime=83.73
/proc/21116/stat : 21116 (pcs.big) R 21114 21116 20963 0 -1 4194304 34315 660 0 0 8356 17 0 0 25 0 1 0 59889924 125415424 28294 996147200 134512640 135215973 4294956304 18446744073709551615 134532677 0 0 4096 0 0 0 0 17 1 0 0
/proc/21116/statm: 30619 28294 406 171 0 29544 0
Current children cumulated CPU time (s) 83.73
Current children cumulated vsize (KiB) 122476

[startup+84.6025 s]
/proc/loadavg: 2.00 2.00 2.00 3/73 21121
/proc/meminfo: memFree=1374936/2055920 swapFree=4192812/4192956
[pid=21116] ppid=21114 vsize=0 CPUtime=83.83
/proc/21116/stat : 21116 (pcs.big) R 21114 21116 20963 0 -1 4194308 34318 660 0 0 8365 18 0 0 25 0 1 0 59889924 0 0 996147200 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/21116/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 83.83
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 84.6128
CPU time (s): 83.8602
CPU user time (s): 83.6573
CPU system time (s): 0.202969
CPU usage (%): 99.1106
Max. virtual memory (cumulated for all children) (KiB): 126576

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 83.6573
system time used= 0.202969
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 34978
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= 1795

runsolver used 0.12598 second user time and 0.244962 second system time

The end

Launcher Data 

Begin job on node67 at 2009-07-16 09:11:12
IDJOB=2087730
IDBENCH=58791
IDSOLVER=733
FILE ID=node67/2087730-1247728272
PBS_JOBID= 9521605
Free space on /tmp= 66304 MiB

SOLVER NAME= pcs 0.2
BENCH NAME= CPAI08/csp/os-taillard-7/normalized-os-taillard-7-95-6.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2087730-1247728272/watcher-2087730-1247728272 -o /tmp/evaluation-result-2087730-1247728272/solver-2087730-1247728272 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 1637510541 HOME/instance-2087730-1247728272.xml

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

MD5SUM BENCH= e78566b5f352b94a6ae6ba86db300b0a
RANDOM SEED=1637510541

node67.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		: 3000.239
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		: 3000.239
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:       1491264 kB
Buffers:         79896 kB
Cached:         301176 kB
SwapCached:          0 kB
Active:         219064 kB
Inactive:       271284 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1491264 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1796 kB
Writeback:           0 kB
Mapped:         120788 kB
Slab:            59276 kB
Committed_AS:   574316 kB
PageTables:       2080 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= 66304 MiB
End job on node67 at 2009-07-16 09:12:37