Trace number 2087309

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 8.74267 8.752

DiagnosticValue
ASSIGNMENTS2918
CHECKS4907560
NODES2918

General information on the benchmark

Namecsp/socialGolfers/
normalized-socialGolfer-6-4-8.xml
MD5SUM9ca836038bbfff2e7075ea9f6ab9212e
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 benchmark8.74267
Satisfiable
(Un)Satisfiability was proved
Number of variables4512
Number of constraints24544
Maximum constraint arity32
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension24544
Global constraints used (with number of constraints)

Solver Data 

0.00/0.00	c mistral version 1.545
8.48/8.54	s SATISFIABLE
8.48/8.54	v 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 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 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 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 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 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 1 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 1 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 0 1 1 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 1 0 0 0 0 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0 0 1 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0
8.48/8.54	d CHECKS 4907562
8.48/8.54	d ASSIGNMENTS 2918
8.48/8.54	d NODES 2918 BACKTRACKS 2007 FAILURES 2007 RUNTIME 7.16 TOTALTIME 8.52 NODES/s 407.542 CHECKS/s 685414

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-2087309-1247385907/watcher-2087309-1247385907 -o /tmp/evaluation-result-2087309-1247385907/solver-2087309-1247385907 -C 1800 -W 2000 -M 900 /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2087309-1247385907.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: 2.02 2.07 2.03 4/72 28117
/proc/meminfo: memFree=1842584/2055920 swapFree=4192812/4192956
[pid=28117] ppid=28115 vsize=4804 CPUtime=0
/proc/28117/stat : 28117 (ld-linux.so.2) R 28115 28117 26629 0 -1 4194304 181 0 0 0 0 0 0 0 18 0 1 0 25653457 4919296 162 996147200 1448431616 1448550632 4294956208 18446744073709551615 1448480482 0 0 4096 0 0 0 0 17 0 0 0
/proc/28117/statm: 1201 162 137 29 0 16 0

[startup+0.035561 s]
/proc/loadavg: 2.02 2.07 2.03 4/72 28117
/proc/meminfo: memFree=1842584/2055920 swapFree=4192812/4192956
[pid=28117] ppid=28115 vsize=5620 CPUtime=0.03
/proc/28117/stat : 28117 (ld-linux.so.2) R 28115 28117 26629 0 -1 4194304 630 0 0 0 3 0 0 0 18 0 1 0 25653457 5754880 609 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381179 0 0 4096 0 0 0 0 17 0 0 0
/proc/28117/statm: 1405 609 377 29 0 220 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 5620

[startup+0.101565 s]
/proc/loadavg: 2.02 2.07 2.03 4/72 28117
/proc/meminfo: memFree=1842584/2055920 swapFree=4192812/4192956
[pid=28117] ppid=28115 vsize=6784 CPUtime=0.09
/proc/28117/stat : 28117 (ld-linux.so.2) R 28115 28117 26629 0 -1 4194304 893 0 0 0 9 0 0 0 18 0 1 0 25653457 6946816 872 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381179 0 0 4096 0 0 0 0 17 0 0 0
/proc/28117/statm: 1696 872 377 29 0 511 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6784

[startup+0.30158 s]
/proc/loadavg: 2.02 2.07 2.03 4/72 28117
/proc/meminfo: memFree=1842584/2055920 swapFree=4192812/4192956
[pid=28117] ppid=28115 vsize=9520 CPUtime=0.28
/proc/28117/stat : 28117 (ld-linux.so.2) R 28115 28117 26629 0 -1 4194304 1602 0 0 0 28 0 0 0 19 0 1 0 25653457 9748480 1581 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381179 0 0 4096 0 0 0 0 17 0 0 0
/proc/28117/statm: 2380 1581 377 29 0 1195 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 9520

[startup+0.701613 s]
/proc/loadavg: 2.02 2.07 2.03 4/72 28117
/proc/meminfo: memFree=1842584/2055920 swapFree=4192812/4192956
[pid=28117] ppid=28115 vsize=15340 CPUtime=0.69
/proc/28117/stat : 28117 (ld-linux.so.2) R 28115 28117 26629 0 -1 4194304 2982 0 0 0 67 2 0 0 23 0 1 0 25653457 15708160 2961 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381179 0 0 4096 0 0 0 0 17 0 0 0
/proc/28117/statm: 3835 2961 378 29 0 2650 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 15340

[startup+1.50168 s]
/proc/loadavg: 2.09 2.09 2.03 3/73 28118
/proc/meminfo: memFree=1828048/2055920 swapFree=4192812/4192956
[pid=28117] ppid=28115 vsize=51756 CPUtime=1.49
/proc/28117/stat : 28117 (ld-linux.so.2) R 28115 28117 26629 0 -1 4194304 12042 0 0 0 142 7 0 0 25 0 1 0 25653457 52998144 12021 996147200 1448431616 1448550632 4294956208 18446744073709551615 135161282 0 0 4096 0 0 0 0 17 0 0 0
/proc/28117/statm: 12939 12021 423 29 0 11754 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 51756

[startup+3.10281 s]
/proc/loadavg: 2.09 2.09 2.03 3/73 28118
/proc/meminfo: memFree=1795088/2055920 swapFree=4192812/4192956
[pid=28117] ppid=28115 vsize=53060 CPUtime=3.09
/proc/28117/stat : 28117 (ld-linux.so.2) R 28115 28117 26629 0 -1 4194304 12262 0 0 0 302 7 0 0 25 0 1 0 25653457 54333440 12241 996147200 1448431616 1448550632 4294956208 18446744073709551615 135172204 0 0 4096 0 0 0 0 17 0 0 0
/proc/28117/statm: 13265 12241 425 29 0 12080 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 53060

[startup+6.30107 s]
/proc/loadavg: 2.09 2.09 2.03 3/73 28118
/proc/meminfo: memFree=1794896/2055920 swapFree=4192812/4192956
[pid=28117] ppid=28115 vsize=53192 CPUtime=6.28
/proc/28117/stat : 28117 (ld-linux.so.2) R 28115 28117 26629 0 -1 4194304 12320 0 0 0 621 7 0 0 25 0 1 0 25653457 54468608 12299 996147200 1448431616 1448550632 4294956208 18446744073709551615 134865038 0 0 4096 0 0 0 0 17 0 0 0
/proc/28117/statm: 13298 12299 425 29 0 12113 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 53192

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

[startup+7.9012 s]
/proc/loadavg: 2.09 2.09 2.03 3/73 28118
/proc/meminfo: memFree=1794832/2055920 swapFree=4192812/4192956
[pid=28117] ppid=28115 vsize=53192 CPUtime=7.88
/proc/28117/stat : 28117 (ld-linux.so.2) R 28115 28117 26629 0 -1 4194304 12320 0 0 0 781 7 0 0 25 0 1 0 25653457 54468608 12299 996147200 1448431616 1448550632 4294956208 18446744073709551615 134864894 0 0 4096 0 0 0 0 17 0 0 0
/proc/28117/statm: 13298 12299 425 29 0 12113 0
Current children cumulated CPU time (s) 7.88
Current children cumulated vsize (KiB) 53192

[startup+8.30123 s]
/proc/loadavg: 2.09 2.09 2.03 3/73 28118
/proc/meminfo: memFree=1794832/2055920 swapFree=4192812/4192956
[pid=28117] ppid=28115 vsize=53192 CPUtime=8.28
/proc/28117/stat : 28117 (ld-linux.so.2) R 28115 28117 26629 0 -1 4194304 12320 0 0 0 821 7 0 0 25 0 1 0 25653457 54468608 12299 996147200 1448431616 1448550632 4294956208 18446744073709551615 134864860 0 0 4096 0 0 0 0 17 0 0 0
/proc/28117/statm: 13298 12299 425 29 0 12113 0
Current children cumulated CPU time (s) 8.28
Current children cumulated vsize (KiB) 53192

[startup+8.70127 s]
/proc/loadavg: 2.09 2.09 2.03 3/73 28118
/proc/meminfo: memFree=1798352/2055920 swapFree=4192812/4192956
[pid=28117] ppid=28115 vsize=48748 CPUtime=8.68
/proc/28117/stat : 28117 (ld-linux.so.2) R 28115 28117 26629 0 -1 4194304 12362 0 0 0 861 7 0 0 25 0 1 0 25653457 49917952 11426 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157373529 0 0 4096 0 0 0 0 17 0 0 0
/proc/28117/statm: 12187 11426 462 29 0 11002 0
Current children cumulated CPU time (s) 8.68
Current children cumulated vsize (KiB) 48748

Child status: 0
Real time (s): 8.752
CPU time (s): 8.74267
CPU user time (s): 8.65568
CPU system time (s): 0.086986
CPU usage (%): 99.8934
Max. virtual memory (cumulated for all children) (KiB): 53308

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 8.65568
system time used= 0.086986
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 12363
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= 46

runsolver used 0.009998 second user time and 0.042993 second system time

The end

Launcher Data 

Begin job on node69 at 2009-07-12 10:05:08
IDJOB=2087309
IDBENCH=58713
IDSOLVER=769
FILE ID=node69/2087309-1247385907
PBS_JOBID= 9507254
Free space on /tmp= 66496 MiB

SOLVER NAME= Mistral 1.545
BENCH NAME= CPAI08/csp/socialGolfers/normalized-socialGolfer-6-4-8.xml
COMMAND LINE= /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2087309-1247385907/watcher-2087309-1247385907 -o /tmp/evaluation-result-2087309-1247385907/solver-2087309-1247385907 -C 1800 -W 2000 -M 900  /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2087309-1247385907.xml

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

MD5SUM BENCH= 9ca836038bbfff2e7075ea9f6ab9212e
RANDOM SEED=450985629

node69.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		: 3000.211
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		: 3000.211
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:       1843064 kB
Buffers:         14248 kB
Cached:          75920 kB
SwapCached:          0 kB
Active:         134728 kB
Inactive:        26888 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1843064 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            4708 kB
Writeback:           0 kB
Mapped:          83104 kB
Slab:            36320 kB
Committed_AS:   233468 kB
PageTables:       1944 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= 66496 MiB
End job on node69 at 2009-07-12 10:05:16