Trace number 2068180

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 0.461928 0.472402

DiagnosticValue
ASSIGNMENTS32
CHECKS301667
NODES32

General information on the benchmark

Namecsp/pseudo/mpsReduced/
normalized-mps-red-ran10x10b.xml
MD5SUM5be72a08ec3eec9a193ba5c4e6721a83
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 benchmark0.461928
Satisfiable
(Un)Satisfiability was proved
Number of variables3100
Number of constraints140
Maximum constraint arity300
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension140
Global constraints used (with number of constraints)

Solver Data

0.19/0.21	c mistral version 1.545
0.38/0.40	s SATISFIABLE
0.38/0.41	v 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 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 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 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 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 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 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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0 0 0 0 0 0 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
0.38/0.41	d CHECKS 301667
0.38/0.41	d ASSIGNMENTS 32
0.38/0.41	d NODES 32 BACKTRACKS 0 FAILURES 0 RUNTIME 0.12 TOTALTIME 0.39 NODES/s 266.667 CHECKS/s 2.51389e+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-2068180-1247346415/watcher-2068180-1247346415 -o /tmp/evaluation-result-2068180-1247346415/solver-2068180-1247346415 -C 1800 -W 2000 -M 900 /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2068180-1247346415.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: 2.00 2.00 2.00 3/84 16565
/proc/meminfo: memFree=1180432/2055920 swapFree=4192812/4192956
[pid=16565] ppid=16563 vsize=18576 CPUtime=0
/proc/16565/stat : 16565 (runsolver) R 16563 16565 15352 0 -1 4194368 15 0 0 0 0 0 0 0 20 0 1 0 21706173 19021824 284 996147200 4194304 4302564 548682068496 18446744073709551615 251601153319 0 2147483391 4096 24578 0 0 0 17 0 0 0
/proc/16565/statm: 4644 284 249 26 0 2626 0

[startup+0.057542 s]
/proc/loadavg: 2.00 2.00 2.00 3/84 16565
/proc/meminfo: memFree=1180432/2055920 swapFree=4192812/4192956
[pid=16565] ppid=16563 vsize=8104 CPUtime=0.04
/proc/16565/stat : 16565 (ld-linux.so.2) R 16563 16565 15352 0 -1 4194304 1200 0 0 0 4 0 0 0 18 0 1 0 21706173 8298496 1179 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381179 0 0 4096 0 0 0 0 17 1 0 0
/proc/16565/statm: 2026 1179 361 29 0 841 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 8104

[startup+0.102494 s]
/proc/loadavg: 2.00 2.00 2.00 3/84 16565
/proc/meminfo: memFree=1180432/2055920 swapFree=4192812/4192956
[pid=16565] ppid=16563 vsize=8512 CPUtime=0.08
/proc/16565/stat : 16565 (ld-linux.so.2) R 16563 16565 15352 0 -1 4194304 1358 0 0 0 8 0 0 0 18 0 1 0 21706173 8716288 1337 996147200 1448431616 1448550632 4294956208 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/16565/statm: 2128 1337 378 29 0 943 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 8512

[startup+0.302516 s]
/proc/loadavg: 2.00 2.00 2.00 3/84 16565
/proc/meminfo: memFree=1180432/2055920 swapFree=4192812/4192956
[pid=16565] ppid=16563 vsize=21564 CPUtime=0.29
/proc/16565/stat : 16565 (ld-linux.so.2) R 16563 16565 15352 0 -1 4194304 4589 0 0 0 27 2 0 0 19 0 1 0 21706173 22081536 4568 996147200 1448431616 1448550632 4294956208 18446744073709551615 134839910 0 0 4096 0 0 0 0 17 1 0 0
/proc/16565/statm: 5391 4568 422 29 0 4206 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 21564

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

[startup+0.402535 s]
/proc/loadavg: 2.00 2.00 2.00 3/84 16565
/proc/meminfo: memFree=1180432/2055920 swapFree=4192812/4192956
[pid=16565] ppid=16563 vsize=21960 CPUtime=0.38
/proc/16565/stat : 16565 (ld-linux.so.2) R 16563 16565 15352 0 -1 4194304 4691 0 0 0 36 2 0 0 20 0 1 0 21706173 22487040 4670 996147200 1448431616 1448550632 4294956208 18446744073709551615 135168333 0 0 4096 0 0 0 0 17 1 0 0
/proc/16565/statm: 5490 4670 423 29 0 4305 0
Current children cumulated CPU time (s) 0.38
Current children cumulated vsize (KiB) 21960

Child status: 0
Real time (s): 0.472402
CPU time (s): 0.461928
CPU user time (s): 0.434933
CPU system time (s): 0.026995
CPU usage (%): 97.7828
Max. virtual memory (cumulated for all children) (KiB): 21960

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.434933
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= 4733
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= 25
involuntary context switches= 21

runsolver used 0.005999 second user time and 0.006998 second system time

The end

Launcher Data

Begin job on node91 at 2009-07-11 23:06:56
IDJOB=2068180
IDBENCH=54831
IDSOLVER=769
FILE ID=node91/2068180-1247346415
PBS_JOBID= 9506778
Free space on /tmp= 66112 MiB

SOLVER NAME= Mistral 1.545
BENCH NAME= CPAI08/csp/pseudo/mpsReduced/normalized-mps-red-ran10x10b.xml
COMMAND LINE= /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2068180-1247346415/watcher-2068180-1247346415 -o /tmp/evaluation-result-2068180-1247346415/solver-2068180-1247346415 -C 1800 -W 2000 -M 900  /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2068180-1247346415.xml

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

MD5SUM BENCH= 5be72a08ec3eec9a193ba5c4e6721a83
RANDOM SEED=1532527157

node91.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		: 3000.241
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		: 3000.241
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:       1180848 kB
Buffers:         21628 kB
Cached:          88464 kB
SwapCached:          0 kB
Active:         791032 kB
Inactive:        30356 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1180848 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1532 kB
Writeback:           0 kB
Mapped:         726960 kB
Slab:            37508 kB
Committed_AS:   860984 kB
PageTables:       3080 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= 66112 MiB
End job on node91 at 2009-07-11 23:06:56