Trace number 2067102

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
Mistral 1.545SAT 2.09168 2.11705

DiagnosticValue
ASSIGNMENTS1461
CHECKS171769
NODES1461

General information on the benchmark

Namecsp/pseudo/radar/
normalized-radar-30-30-4.5-0.5-100.xml
MD5SUMdde56d78c331455e86aa8c267ea9039b
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.07084
Satisfiable
(Un)Satisfiability was proved
Number of variables4447
Number of constraints4925
Maximum constraint arity27
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension4925
Global constraints used (with number of constraints)

Solver Data 

0.00/0.17	c mistral version 1.545
1.97/2.03	s SATISFIABLE
1.97/2.03	v 1 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 1 1 0 0 0 1 1 0 1 1 0 0 0 1 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 0 1 1 1 1 1 1 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 0 1 1 0 0 0 1 1 0 1 1 0 0 0 1 0 0 1 1 0 0 0 1 1 0 0 0 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 1 0 0 0 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 0 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 0 0 0 0 1 1 1 1 0 0 1 1 0 0 0 1 0 0 1 1 1 0 1 1 1 0 0 0 1 1 0 1 1 0 0 1 1 0 0 0 1 0 0 1 1 1 1 1 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 0 1 1 1 1 1 1 0 1 1 1 1 1 1 1 0 1 1 0 0 0 0 0 0 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 0 0 1 1 1 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1.97/2.04	d CHECKS 171769
1.97/2.04	d ASSIGNMENTS 1461
1.97/2.04	d NODES 1461 BACKTRACKS 0 FAILURES 0 RUNTIME 1.65 TOTALTIME 2.01 NODES/s 885.455 CHECKS/s 104102

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-2067102-1247343900/watcher-2067102-1247343900 -o /tmp/evaluation-result-2067102-1247343900/solver-2067102-1247343900 -C 1800 -W 2000 -M 900 /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2067102-1247343900.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: 2.25 2.09 2.02 4/81 17591
/proc/meminfo: memFree=1852152/2055920 swapFree=4192812/4192956
[pid=17591] ppid=17589 vsize=18576 CPUtime=0
/proc/17591/stat : 17591 (runsolver) R 17589 17591 15661 0 -1 4194368 15 0 0 0 0 0 0 0 19 0 1 0 21456444 19021824 284 996147200 4194304 4302564 548682068496 18446744073709551615 266134416679 0 2147483391 4096 24578 0 0 0 17 1 0 0
/proc/17591/statm: 4644 284 249 26 0 2626 0

[startup+0.209781 s]
/proc/loadavg: 2.25 2.09 2.02 4/81 17591
/proc/meminfo: memFree=1852152/2055920 swapFree=4192812/4192956
[pid=17591] ppid=17589 vsize=7684 CPUtime=0.19
/proc/17591/stat : 17591 (ld-linux.so.2) R 17589 17591 15661 0 -1 4194304 1106 0 0 0 19 0 0 0 19 0 1 0 21456444 7868416 1085 996147200 1448431616 1448550632 4294956208 18446744073709551615 134693480 0 0 4096 0 0 0 0 17 1 0 0
/proc/17591/statm: 1921 1085 377 29 0 736 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 7684

[startup+0.302791 s]
/proc/loadavg: 2.25 2.09 2.02 4/81 17591
/proc/meminfo: memFree=1852152/2055920 swapFree=4192812/4192956
[pid=17591] ppid=17589 vsize=9256 CPUtime=0.28
/proc/17591/stat : 17591 (ld-linux.so.2) R 17589 17591 15661 0 -1 4194304 1515 0 0 0 28 0 0 0 19 0 1 0 21456444 9478144 1494 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157378718 0 0 4096 0 0 0 0 17 1 0 0
/proc/17591/statm: 2314 1494 377 29 0 1129 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 9256

[startup+0.40761 s]
/proc/loadavg: 2.25 2.09 2.02 4/81 17591
/proc/meminfo: memFree=1852152/2055920 swapFree=4192812/4192956
[pid=17591] ppid=17589 vsize=20200 CPUtime=0.38
/proc/17591/stat : 17591 (ld-linux.so.2) R 17589 17591 15661 0 -1 4194304 4263 0 0 0 37 1 0 0 20 0 1 0 21456444 20684800 4242 996147200 1448431616 1448550632 4294956208 18446744073709551615 134897003 0 0 4096 0 0 0 0 17 1 0 0
/proc/17591/statm: 5050 4242 419 29 0 3865 0
Current children cumulated CPU time (s) 0.38
Current children cumulated vsize (KiB) 20200

[startup+0.701833 s]
/proc/loadavg: 2.25 2.09 2.02 4/81 17591
/proc/meminfo: memFree=1852152/2055920 swapFree=4192812/4192956
[pid=17591] ppid=17589 vsize=21416 CPUtime=0.67
/proc/17591/stat : 17591 (ld-linux.so.2) R 17589 17591 15661 0 -1 4194304 4510 0 0 0 66 1 0 0 23 0 1 0 21456444 21929984 4489 996147200 1448431616 1448550632 4294956208 18446744073709551615 134897000 0 0 4096 0 0 0 0 17 1 0 0
/proc/17591/statm: 5354 4489 421 29 0 4169 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 21416

[startup+1.50494 s]
/proc/loadavg: 2.25 2.09 2.02 3/82 17592
/proc/meminfo: memFree=1835120/2055920 swapFree=4192812/4192956
[pid=17591] ppid=17589 vsize=22456 CPUtime=1.47
/proc/17591/stat : 17591 (ld-linux.so.2) R 17589 17591 15661 0 -1 4194304 4740 0 0 0 145 2 0 0 25 0 1 0 21456444 22994944 4719 996147200 1448431616 1448550632 4294956208 18446744073709551615 134897005 0 0 4096 0 0 0 0 17 1 0 0
/proc/17591/statm: 5614 4719 421 29 0 4429 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 22456

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

[startup+1.70294 s]
/proc/loadavg: 2.25 2.09 2.02 3/82 17592
/proc/meminfo: memFree=1835120/2055920 swapFree=4192812/4192956
[pid=17591] ppid=17589 vsize=22720 CPUtime=1.67
/proc/17591/stat : 17591 (ld-linux.so.2) R 17589 17591 15661 0 -1 4194304 4813 0 0 0 165 2 0 0 25 0 1 0 21456444 23265280 4792 996147200 1448431616 1448550632 4294956208 18446744073709551615 135161275 0 0 4096 0 0 0 0 17 1 0 0
/proc/17591/statm: 5680 4792 421 29 0 4495 0
Current children cumulated CPU time (s) 1.67
Current children cumulated vsize (KiB) 22720

[startup+2.103 s]
/proc/loadavg: 2.25 2.09 2.02 3/82 17592
/proc/meminfo: memFree=1835120/2055920 swapFree=4192812/4192956
[pid=17591] ppid=17589 vsize=9708 CPUtime=2.07
/proc/17591/stat : 17591 (ld-linux.so.2) R 17589 17591 15661 0 -1 4194304 5007 0 0 0 205 2 0 0 25 0 1 0 21456444 9940992 1698 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157375005 0 0 4096 0 0 0 0 17 1 0 0
/proc/17591/statm: 2427 1698 460 29 0 1242 0
Current children cumulated CPU time (s) 2.07
Current children cumulated vsize (KiB) 9708

Child status: 0
Real time (s): 2.11705
CPU time (s): 2.09168
CPU user time (s): 2.06469
CPU system time (s): 0.026995
CPU usage (%): 98.8017
Max. virtual memory (cumulated for all children) (KiB): 22988

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.06469
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= 5008
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= 24
involuntary context switches= 45

runsolver used 0.002999 second user time and 0.013997 second system time

The end

Launcher Data 

Begin job on node35 at 2009-07-11 22:25:00
IDJOB=2067102
IDBENCH=54605
IDSOLVER=769
FILE ID=node35/2067102-1247343900
PBS_JOBID= 9506681
Free space on /tmp= 66248 MiB

SOLVER NAME= Mistral 1.545
BENCH NAME= CPAI08/csp/pseudo/radar/normalized-radar-30-30-4.5-0.5-100.xml
COMMAND LINE= /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2067102-1247343900/watcher-2067102-1247343900 -o /tmp/evaluation-result-2067102-1247343900/solver-2067102-1247343900 -C 1800 -W 2000 -M 900  /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2067102-1247343900.xml

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

MD5SUM BENCH= dde56d78c331455e86aa8c267ea9039b
RANDOM SEED=1218295124

node35.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		: 3000.213
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		: 3000.213
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:       1852632 kB
Buffers:         23232 kB
Cached:          91824 kB
SwapCached:          0 kB
Active:         118692 kB
Inactive:        36548 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1852632 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2220 kB
Writeback:           0 kB
Mapped:          60684 kB
Slab:            33132 kB
Committed_AS:   233216 kB
PageTables:       1900 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= 66248 MiB
End job on node35 at 2009-07-11 22:25:03