Trace number 2090909

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 0.3.2SAT 1.00685 1.02455

DiagnosticValue
ASSIGNMENTS4

General information on the benchmark

Namecsp/tightness0.9/
normalized-rand-2-40-180-84-900-5_ext.xml
MD5SUMea8a8c36ed8d5ff2e35f642aabf97f40
Bench Category2-ARY-EXT (binary constraints in extension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.569912
Satisfiable
(Un)Satisfiability was proved
Number of variables40
Number of constraints84
Maximum constraint arity2
Maximum domain size180
Number of constraints which are defined in extension84
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data

0.00/0.02	c has big domains
0.00/0.02	c big-domain mode
0.00/0.02	c Seed is 516098770
0.00/0.02	c Constructing HOME/instance-2090909-1247731205.xml  with 84 constraints
0.67/0.77	c Solving 4 backtracks
0.97/1.02	s SATISFIABLE
0.97/1.02	c V0=16, V1=108, V2=67, V3=120, V4=30, V5=51, V6=0, V7=50, V8=46, V9=81, V10=112, V11=0, V12=49, V13=115, V14=111, V15=90, V16=83, V17=19, V18=117, V19=6, V20=156, V21=62, V22=11, V23=89, V24=162, V25=38, V26=3, V27=102, V28=12, V29=33, V30=167, V31=101, V32=0, V33=140, V34=0, V35=40, V36=57, V37=39, V38=42, V39=11, 
0.97/1.02	v 16 108 67 120 30 51 0 50 46 81 112 0 49 115 111 90 83 19 117 6 156 62 11 89 162 38 3 102 12 33 167 101 0 140 0 40 57 39 42 11 
0.97/1.02	d ASSIGNMENTS 4

Verifier Data

OK

Watcher Data

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2090909-1247731205/watcher-2090909-1247731205 -o /tmp/evaluation-result-2090909-1247731205/solver-2090909-1247731205 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 516098770 HOME/instance-2090909-1247731205.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: 2.01 2.00 2.00 4/84 19960
/proc/meminfo: memFree=1575920/2055920 swapFree=4192812/4192956
[pid=19960] ppid=19958 vsize=5260 CPUtime=0
/proc/19960/stat : 19960 (pcssolve) R 19958 19960 19528 0 -1 4194304 68 0 0 0 0 0 0 0 20 0 1 0 60183236 5386240 51 996147200 4194304 4889804 548682068800 18446744073709551615 209557966640 0 0 4096 0 0 0 0 17 1 0 0
/proc/19960/statm: 1315 51 37 169 0 14 0

[startup+0.0807671 s]
/proc/loadavg: 2.01 2.00 2.00 4/84 19960
/proc/meminfo: memFree=1575920/2055920 swapFree=4192812/4192956
[pid=19960] ppid=19958 vsize=5072 CPUtime=0.05
/proc/19960/stat : 19960 (pcs.big) R 19958 19960 19528 0 -1 4194304 888 656 0 0 5 0 0 0 23 0 1 0 60183236 5193728 519 996147200 134512640 135215973 4294956304 18446744073709551615 134585720 0 0 4096 0 0 0 0 17 1 0 0
/proc/19960/statm: 1268 519 383 171 0 193 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 5072

[startup+0.101769 s]
/proc/loadavg: 2.01 2.00 2.00 4/84 19960
/proc/meminfo: memFree=1575920/2055920 swapFree=4192812/4192956
[pid=19960] ppid=19958 vsize=5356 CPUtime=0.07
/proc/19960/stat : 19960 (pcs.big) R 19958 19960 19528 0 -1 4194304 913 656 0 0 7 0 0 0 23 0 1 0 60183236 5484544 544 996147200 134512640 135215973 4294956304 18446744073709551615 134835603 0 0 4096 0 0 0 0 17 1 0 0
/proc/19960/statm: 1339 544 383 171 0 264 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 5356

[startup+0.301805 s]
/proc/loadavg: 2.01 2.00 2.00 4/84 19960
/proc/meminfo: memFree=1575920/2055920 swapFree=4192812/4192956
[pid=19960] ppid=19958 vsize=7520 CPUtime=0.27
/proc/19960/stat : 19960 (pcs.big) R 19958 19960 19528 0 -1 4194304 1166 656 0 0 27 0 0 0 25 0 1 0 60183236 7700480 797 996147200 134512640 135215973 4294956304 18446744073709551615 134583507 0 0 4096 0 0 0 0 17 1 0 0
/proc/19960/statm: 1880 797 383 171 0 805 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 7520

[startup+0.701872 s]
/proc/loadavg: 2.01 2.00 2.00 4/84 19960
/proc/meminfo: memFree=1575920/2055920 swapFree=4192812/4192956
[pid=19960] ppid=19958 vsize=11880 CPUtime=0.67
/proc/19960/stat : 19960 (pcs.big) R 19958 19960 19528 0 -1 4194304 1649 656 0 0 67 0 0 0 25 0 1 0 60183236 12165120 1280 996147200 134512640 135215973 4294956304 18446744073709551615 9199198 0 0 4096 0 0 0 0 17 1 0 0
/proc/19960/statm: 2970 1280 383 171 0 1895 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 11880

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

[startup+0.90191 s]
/proc/loadavg: 2.01 2.00 2.00 4/84 19960
/proc/meminfo: memFree=1575920/2055920 swapFree=4192812/4192956
[pid=19960] ppid=19958 vsize=13256 CPUtime=0.87
/proc/19960/stat : 19960 (pcs.big) R 19958 19960 19528 0 -1 4194304 1954 656 0 0 86 1 0 0 25 0 1 0 60183236 13574144 1585 996147200 134512640 135215973 4294956304 18446744073709551615 134599873 0 0 4096 0 0 0 0 17 1 0 0
/proc/19960/statm: 3314 1585 401 171 0 2239 0
Current children cumulated CPU time (s) 0.87
Current children cumulated vsize (KiB) 13256

[startup+1.00193 s]
/proc/loadavg: 2.01 2.00 2.00 3/85 19965
/proc/meminfo: memFree=1570920/2055920 swapFree=4192812/4192956
[pid=19960] ppid=19958 vsize=13256 CPUtime=0.97
/proc/19960/stat : 19960 (pcs.big) R 19958 19960 19528 0 -1 4194304 1986 656 0 0 96 1 0 0 25 0 1 0 60183236 13574144 1617 996147200 134512640 135215973 4294956304 18446744073709551615 135020323 0 0 4096 0 0 0 0 17 1 0 0
/proc/19960/statm: 3314 1617 401 171 0 2239 0
Current children cumulated CPU time (s) 0.97
Current children cumulated vsize (KiB) 13256

Child status: 0
Real time (s): 1.02455
CPU time (s): 1.00685
CPU user time (s): 0.987849
CPU system time (s): 0.018997
CPU usage (%): 98.2721
Max. virtual memory (cumulated for all children) (KiB): 13256

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.987849
system time used= 0.018997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2645
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= 54

runsolver used 0.002999 second user time and 0.012998 second system time

The end

Launcher Data

Begin job on node68 at 2009-07-16 10:00:05
IDJOB=2090909
IDBENCH=59941
IDSOLVER=733
FILE ID=node68/2090909-1247731205
PBS_JOBID= 9521590
Free space on /tmp= 66416 MiB

SOLVER NAME= pcs 0.2
BENCH NAME= CPAI08/csp/tightness0.9/normalized-rand-2-40-180-84-900-5_ext.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2090909-1247731205/watcher-2090909-1247731205 -o /tmp/evaluation-result-2090909-1247731205/solver-2090909-1247731205 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 516098770 HOME/instance-2090909-1247731205.xml

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

MD5SUM BENCH= ea8a8c36ed8d5ff2e35f642aabf97f40
RANDOM SEED=516098770

node68.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		: 3000.258
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		: 3000.258
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:       1576400 kB
Buffers:         78220 kB
Cached:         274156 kB
SwapCached:          0 kB
Active:         141504 kB
Inactive:       269328 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1576400 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3560 kB
Writeback:           0 kB
Mapped:          79056 kB
Slab:            53328 kB
Committed_AS:   673404 kB
PageTables:       2096 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= 66416 MiB
End job on node68 at 2009-07-16 10:00:07