Trace number 2082865

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 0.897862 0.911519

DiagnosticValue
ASSIGNMENTS1727
CHECKS5951950
NODES1727

General information on the benchmark

Namecsp/os-gp/
normalized-gp10-07-1079.xml
MD5SUMb79d5ab9b474e138388bd882c1eb4f79
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.897862
Satisfiable
(Un)Satisfiability was proved
Number of variables101
Number of constraints1000
Maximum constraint arity2
Maximum domain size1080
Number of constraints which are defined in extension0
Number of constraints which are defined in intension1000
Global constraints used (with number of constraints)

Solver Data 

0.08/0.16	c mistral version 1.545
0.78/0.90	s SATISFIABLE
0.88/0.90	v 1079 540 956 906 1078 72 887 0 641 909 71 14 1070 945 527 874 833 1074 1078 946 1 818 481 0 421 48 53 480 1077 58 1078 504 1 1078 872 540 870 481 505 1077 0 689 0 60 33 986 41 699 13 42 103 649 902 974 425 0 71 229 527 26 689 10 884 101 0 945 883 957 14 910 82 0 867 889 34 868 231 1078 2 25 891 699 892 883 799 26 895 501 89 0 2 2 1073 48 259 60 229 66 909 398 3
0.88/0.90	d CHECKS 5951949
0.88/0.90	d ASSIGNMENTS 1727
0.88/0.90	d NODES 1727 BACKTRACKS 1541 FAILURES 1541 RUNTIME 0.83 TOTALTIME 0.88 NODES/s 2080.72 CHECKS/s 7.17102e+06

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-2082865-1247375966/watcher-2082865-1247375966 -o /tmp/evaluation-result-2082865-1247375966/solver-2082865-1247375966 -C 1800 -W 2000 -M 900 /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2082865-1247375966.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: 1.95 2.00 1.99 3/74 24645
/proc/meminfo: memFree=1752720/2055920 swapFree=4192812/4192956
[pid=24645] ppid=24643 vsize=18576 CPUtime=0
/proc/24645/stat : 24645 (runsolver) R 24643 24645 19487 0 -1 4194368 15 0 0 0 0 0 0 0 23 0 1 0 24663078 19021824 285 996147200 4194304 4302564 548682068496 18446744073709551615 268213742887 0 2147483391 4096 24578 0 0 0 17 1 0 0
/proc/24645/statm: 4644 285 249 26 0 2626 0

[startup+0.0908881 s]
/proc/loadavg: 1.95 2.00 1.99 3/74 24645
/proc/meminfo: memFree=1752720/2055920 swapFree=4192812/4192956
[pid=24645] ppid=24643 vsize=8132 CPUtime=0.07
/proc/24645/stat : 24645 (ld-linux.so.2) R 24643 24645 19487 0 -1 4194304 1289 0 0 0 7 0 0 0 18 0 1 0 24663078 8327168 1268 996147200 1448431616 1448550632 4294956208 18446744073709551615 135259360 0 0 4096 0 0 0 0 17 1 0 0
/proc/24645/statm: 2033 1268 421 29 0 848 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 8132

[startup+0.101883 s]
/proc/loadavg: 1.95 2.00 1.99 3/74 24645
/proc/meminfo: memFree=1752720/2055920 swapFree=4192812/4192956
[pid=24645] ppid=24643 vsize=8132 CPUtime=0.08
/proc/24645/stat : 24645 (ld-linux.so.2) R 24643 24645 19487 0 -1 4194304 1291 0 0 0 8 0 0 0 18 0 1 0 24663078 8327168 1270 996147200 1448431616 1448550632 4294956208 18446744073709551615 134864906 0 0 4096 0 0 0 0 17 1 0 0
/proc/24645/statm: 2033 1270 421 29 0 848 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 8132

[startup+0.301908 s]
/proc/loadavg: 1.95 2.00 1.99 3/74 24645
/proc/meminfo: memFree=1752720/2055920 swapFree=4192812/4192956
[pid=24645] ppid=24643 vsize=8324 CPUtime=0.28
/proc/24645/stat : 24645 (ld-linux.so.2) R 24643 24645 19487 0 -1 4194304 1308 0 0 0 28 0 0 0 20 0 1 0 24663078 8523776 1287 996147200 1448431616 1448550632 4294956208 18446744073709551615 134824409 0 0 4096 0 0 0 0 17 1 0 0
/proc/24645/statm: 2081 1287 421 29 0 896 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 8324

[startup+0.701953 s]
/proc/loadavg: 1.95 2.00 1.99 3/74 24645
/proc/meminfo: memFree=1752720/2055920 swapFree=4192812/4192956
[pid=24645] ppid=24643 vsize=8324 CPUtime=0.68
/proc/24645/stat : 24645 (ld-linux.so.2) R 24643 24645 19487 0 -1 4194304 1308 0 0 0 68 0 0 0 23 0 1 0 24663078 8523776 1287 996147200 1448431616 1448550632 4294956208 18446744073709551615 134865000 0 0 4096 0 0 0 0 17 1 0 0
/proc/24645/statm: 2081 1287 421 29 0 896 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 8324

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

[startup+0.902021 s]
/proc/loadavg: 1.95 2.00 1.99 3/74 24645
/proc/meminfo: memFree=1752720/2055920 swapFree=4192812/4192956
[pid=24645] ppid=24643 vsize=8340 CPUtime=0.88
/proc/24645/stat : 24645 (ld-linux.so.2) R 24643 24645 19487 0 -1 4194304 1321 0 0 0 88 0 0 0 25 0 1 0 24663078 8540160 1300 996147200 1448431616 1448550632 4294956208 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/24645/statm: 2085 1300 423 29 0 900 0
Current children cumulated CPU time (s) 0.88
Current children cumulated vsize (KiB) 8340

Child status: 0
Real time (s): 0.911519
CPU time (s): 0.897862
CPU user time (s): 0.888864
CPU system time (s): 0.008998
CPU usage (%): 98.5017
Max. virtual memory (cumulated for all children) (KiB): 8340

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.888864
system time used= 0.008998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1357
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= 29

runsolver used 0.004999 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node32 at 2009-07-12 07:19:26
IDJOB=2082865
IDBENCH=57646
IDSOLVER=769
FILE ID=node32/2082865-1247375966
PBS_JOBID= 9507034
Free space on /tmp= 66368 MiB

SOLVER NAME= Mistral 1.545
BENCH NAME= CPAI08/csp/os-gp/normalized-gp10-07-1079.xml
COMMAND LINE= /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2082865-1247375966/watcher-2082865-1247375966 -o /tmp/evaluation-result-2082865-1247375966/solver-2082865-1247375966 -C 1800 -W 2000 -M 900  /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2082865-1247375966.xml

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

MD5SUM BENCH= b79d5ab9b474e138388bd882c1eb4f79
RANDOM SEED=4416787

node32.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		: 3000.236
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		: 3000.236
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:       1753264 kB
Buffers:         46660 kB
Cached:         167744 kB
SwapCached:          0 kB
Active:         154148 kB
Inactive:        81908 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1753264 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1688 kB
Writeback:           0 kB
Mapped:          32380 kB
Slab:            51656 kB
Committed_AS:   259588 kB
PageTables:       1872 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= 66368 MiB
End job on node32 at 2009-07-12 07:19:27