Trace number 2092142

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 0.3.2SAT 26.6449 26.6544

DiagnosticValue
ASSIGNMENTS1040

General information on the benchmark

Namecsp/tightness0.8/
normalized-rand-2-40-80-103-800-52_ext.xml
MD5SUM518f122a0f289c859513203eb0c2ab6c
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 benchmark6.17506
Satisfiable
(Un)Satisfiability was proved
Number of variables40
Number of constraints103
Maximum constraint arity2
Maximum domain size80
Number of constraints which are defined in extension103
Number of constraints which are defined in intension0
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
0.29/0.30	c Seed is 458022872
0.29/0.30	c Constructing HOME/instance-2092142-1247733732.xml  with 103 constraints
0.29/0.34	c Solving 1040 backtracks 8 restarts
26.57/26.65	s SATISFIABLE
26.57/26.65	c V0=16, V1=65, V2=3, V3=20, V4=11, V5=61, V6=21, V7=46, V8=27, V9=1, V10=54, V11=61, V12=22, V13=61, V14=7, V15=11, V16=26, V17=68, V18=60, V19=69, V20=9, V21=2, V22=39, V23=48, V24=20, V25=8, V26=9, V27=12, V28=25, V29=2, V30=11, V31=20, V32=27, V33=0, V34=31, V35=3, V36=26, V37=18, V38=25, V39=0, 
26.57/26.65	v 16 65 3 20 11 61 21 46 27 1 54 61 22 61 7 11 26 68 60 69 9 2 39 48 20 8 9 12 25 2 11 20 27 0 31 3 26 18 25 0 
26.57/26.65	d ASSIGNMENTS 1040

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-2092142-1247733732/watcher-2092142-1247733732 -o /tmp/evaluation-result-2092142-1247733732/solver-2092142-1247733732 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 458022872 HOME/instance-2092142-1247733732.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 4/82 16110
/proc/meminfo: memFree=1608832/2055920 swapFree=4192812/4192956
[pid=16110] ppid=16108 vsize=5356 CPUtime=0
/proc/16110/stat : 16110 (pcssolve) R 16108 16110 15416 0 -1 4194304 290 0 0 0 0 0 0 0 21 0 1 0 60438390 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 270187162271 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/16110/statm: 1339 241 200 169 0 50 0
[pid=16111] ppid=16110 vsize=3544 CPUtime=0
/proc/16111/stat : 16111 (fgrep) R 16110 16110 15416 0 -1 4194304 102 0 0 0 0 0 0 0 21 0 1 0 60438390 3629056 69 996147200 4194304 4274172 548682068976 18446744073709551615 270187593028 0 0 4096 0 0 0 0 17 0 0 0
/proc/16111/statm: 886 69 52 19 0 10 0

[startup+0.109098 s]
/proc/loadavg: 2.01 2.00 2.00 4/82 16110
/proc/meminfo: memFree=1608832/2055920 swapFree=4192812/4192956
[pid=16110] ppid=16108 vsize=5576 CPUtime=0.09
/proc/16110/stat : 16110 (pcs.big) R 16108 16110 15416 0 -1 4194304 976 656 0 0 9 0 0 0 17 0 1 0 60438390 5709824 607 996147200 134512640 135215973 4294956304 18446744073709551615 135034044 0 0 4096 0 0 0 0 17 1 0 0
/proc/16110/statm: 1394 607 383 171 0 319 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5576

[startup+0.201107 s]
/proc/loadavg: 2.01 2.00 2.00 4/82 16110
/proc/meminfo: memFree=1608832/2055920 swapFree=4192812/4192956
[pid=16110] ppid=16108 vsize=6684 CPUtime=0.18
/proc/16110/stat : 16110 (pcs.big) R 16108 16110 15416 0 -1 4194304 1151 656 0 0 18 0 0 0 18 0 1 0 60438390 6844416 782 996147200 134512640 135215973 4294956304 18446744073709551615 134837536 0 0 4096 0 0 0 0 17 1 0 0
/proc/16110/statm: 1671 782 383 171 0 596 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 6684

[startup+0.301117 s]
/proc/loadavg: 2.01 2.00 2.00 4/82 16110
/proc/meminfo: memFree=1608832/2055920 swapFree=4192812/4192956
[pid=16110] ppid=16108 vsize=7944 CPUtime=0.29
/proc/16110/stat : 16110 (pcs.big) R 16108 16110 15416 0 -1 4194304 1337 656 0 0 28 1 0 0 18 0 1 0 60438390 8134656 968 996147200 134512640 135215973 4294956304 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/16110/statm: 1986 968 383 171 0 911 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7944

[startup+0.701163 s]
/proc/loadavg: 2.01 2.00 2.00 4/82 16110
/proc/meminfo: memFree=1608832/2055920 swapFree=4192812/4192956
[pid=16110] ppid=16108 vsize=8752 CPUtime=0.68
/proc/16110/stat : 16110 (pcs.big) R 16108 16110 15416 0 -1 4194304 1547 656 0 0 67 1 0 0 22 0 1 0 60438390 8962048 1178 996147200 134512640 135215973 4294956304 18446744073709551615 135020290 0 0 4096 0 0 0 0 17 1 0 0
/proc/16110/statm: 2188 1178 401 171 0 1113 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 8752

[startup+1.50126 s]
/proc/loadavg: 2.01 2.00 2.00 3/83 16115
/proc/meminfo: memFree=1605496/2055920 swapFree=4192812/4192956
[pid=16110] ppid=16108 vsize=8752 CPUtime=1.48
/proc/16110/stat : 16110 (pcs.big) R 16108 16110 15416 0 -1 4194304 1568 656 0 0 147 1 0 0 25 0 1 0 60438390 8962048 1199 996147200 134512640 135215973 4294956304 18446744073709551615 134599868 0 0 4096 0 0 0 0 17 1 0 0
/proc/16110/statm: 2188 1199 401 171 0 1113 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 8752

[startup+3.10144 s]
/proc/loadavg: 2.01 2.00 2.00 3/83 16115
/proc/meminfo: memFree=1605304/2055920 swapFree=4192812/4192956
[pid=16110] ppid=16108 vsize=8752 CPUtime=3.08
/proc/16110/stat : 16110 (pcs.big) R 16108 16110 15416 0 -1 4194304 1603 656 0 0 307 1 0 0 25 0 1 0 60438390 8962048 1234 996147200 134512640 135215973 4294956304 18446744073709551615 134599858 0 0 4096 0 0 0 0 17 1 0 0
/proc/16110/statm: 2188 1234 401 171 0 1113 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 8752

[startup+6.30181 s]
/proc/loadavg: 2.01 2.00 2.00 3/83 16115
/proc/meminfo: memFree=1604856/2055920 swapFree=4192812/4192956
[pid=16110] ppid=16108 vsize=8752 CPUtime=6.28
/proc/16110/stat : 16110 (pcs.big) R 16108 16110 15416 0 -1 4194304 1688 656 0 0 627 1 0 0 25 0 1 0 60438390 8962048 1319 996147200 134512640 135215973 4294956304 18446744073709551615 134583202 0 0 4096 0 0 0 0 17 1 0 0
/proc/16110/statm: 2188 1319 401 171 0 1113 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 8752

[startup+12.7015 s]
/proc/loadavg: 2.01 2.00 2.00 3/83 16115
/proc/meminfo: memFree=1603896/2055920 swapFree=4192812/4192956
[pid=16110] ppid=16108 vsize=8884 CPUtime=12.68
/proc/16110/stat : 16110 (pcs.big) R 16108 16110 15416 0 -1 4194304 1864 656 0 0 1267 1 0 0 25 0 1 0 60438390 9097216 1495 996147200 134512640 135215973 4294956304 18446744073709551615 134599873 0 0 4096 0 0 0 0 17 1 0 0
/proc/16110/statm: 2221 1495 401 171 0 1146 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 8884

[startup+25.502 s]
/proc/loadavg: 2.00 2.00 2.00 3/83 16115
/proc/meminfo: memFree=1601592/2055920 swapFree=4192812/4192956
[pid=16110] ppid=16108 vsize=11256 CPUtime=25.47
/proc/16110/stat : 16110 (pcs.big) R 16108 16110 15416 0 -1 4194304 2506 656 0 0 2546 1 0 0 25 0 1 0 60438390 11526144 2104 996147200 134512640 135215973 4294956304 18446744073709551615 4158960484 0 0 4096 0 0 0 0 17 1 0 0
/proc/16110/statm: 2814 2104 401 171 0 1739 0
Current children cumulated CPU time (s) 25.47
Current children cumulated vsize (KiB) 11256

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

[startup+25.602 s]
/proc/loadavg: 2.00 2.00 2.00 3/83 16115
/proc/meminfo: memFree=1601592/2055920 swapFree=4192812/4192956
[pid=16110] ppid=16108 vsize=11256 CPUtime=25.57
/proc/16110/stat : 16110 (pcs.big) R 16108 16110 15416 0 -1 4194304 2515 656 0 0 2556 1 0 0 25 0 1 0 60438390 11526144 2113 996147200 134512640 135215973 4294956304 18446744073709551615 4158960578 0 0 4096 0 0 0 0 17 1 0 0
/proc/16110/statm: 2814 2113 401 171 0 1739 0
Current children cumulated CPU time (s) 25.57
Current children cumulated vsize (KiB) 11256

[startup+26.4011 s]
/proc/loadavg: 2.00 2.00 2.00 3/83 16115
/proc/meminfo: memFree=1601336/2055920 swapFree=4192812/4192956
[pid=16110] ppid=16108 vsize=11388 CPUtime=26.38
/proc/16110/stat : 16110 (pcs.big) R 16108 16110 15416 0 -1 4194304 2555 656 0 0 2637 1 0 0 25 0 1 0 60438390 11661312 2153 996147200 134512640 135215973 4294956304 18446744073709551615 134583244 0 0 4096 0 0 0 0 17 1 0 0
/proc/16110/statm: 2847 2153 401 171 0 1772 0
Current children cumulated CPU time (s) 26.38
Current children cumulated vsize (KiB) 11388

[startup+26.6011 s]
/proc/loadavg: 2.00 2.00 2.00 3/83 16115
/proc/meminfo: memFree=1601336/2055920 swapFree=4192812/4192956
[pid=16110] ppid=16108 vsize=11520 CPUtime=26.57
/proc/16110/stat : 16110 (pcs.big) R 16108 16110 15416 0 -1 4194304 2571 656 0 0 2656 1 0 0 25 0 1 0 60438390 11796480 2169 996147200 134512640 135215973 4294956304 18446744073709551615 135018640 0 0 4096 0 0 0 0 17 1 0 0
/proc/16110/statm: 2880 2169 401 171 0 1805 0
Current children cumulated CPU time (s) 26.57
Current children cumulated vsize (KiB) 11520

Child status: 0
Real time (s): 26.6544
CPU time (s): 26.6449
CPU user time (s): 26.62
CPU system time (s): 0.024996
CPU usage (%): 99.9644
Max. virtual memory (cumulated for all children) (KiB): 11520

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 26.62
system time used= 0.024996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3230
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= 597

runsolver used 0.025996 second user time and 0.081987 second system time

The end

Launcher Data 

Begin job on node88 at 2009-07-16 10:42:12
IDJOB=2092142
IDBENCH=60276
IDSOLVER=734
FILE ID=node88/2092142-1247733732
PBS_JOBID= 9521655
Free space on /tmp= 66076 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/tightness0.8/normalized-rand-2-40-80-103-800-52_ext.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2092142-1247733732/watcher-2092142-1247733732 -o /tmp/evaluation-result-2092142-1247733732/solver-2092142-1247733732 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 458022872 HOME/instance-2092142-1247733732.xml

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

MD5SUM BENCH= 518f122a0f289c859513203eb0c2ab6c
RANDOM SEED=458022872

node88.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		: 3000.222
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		: 3000.222
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:       1609312 kB
Buffers:         62004 kB
Cached:         266572 kB
SwapCached:          0 kB
Active:         138604 kB
Inactive:       224176 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1609312 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2468 kB
Writeback:           0 kB
Mapped:          54488 kB
Slab:            68952 kB
Committed_AS:   617660 kB
PageTables:       1956 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= 66072 MiB
End job on node88 at 2009-07-16 10:42:39