Trace number 2086407

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 1.19082 1.21129

DiagnosticValue
ASSIGNMENTS1554
CHECKS998699
NODES1554

General information on the benchmark

Namecsp/bibdVariousK/
normalized-bibd-25-30-6-5-1_glb.xml
MD5SUM98fbe51462cae8914ddc8ad583b672a2
Bench CategoryAlldiff+Elt+WSum (alldiff,element,weightedsum)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.19082
Satisfiable
(Un)Satisfiability was proved
Number of variables9750
Number of constraints9355
Maximum constraint arity30
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension9000
Global constraints used (with number of constraints)weightedsum(355)

Solver Data

0.00/0.04	c mistral version 1.545
1.08/1.16	s SATISFIABLE
1.08/1.16	v 0 0 1 1 0 0 0 0 0 1 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 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 1 1 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 0 0 1 0 0 1 0 0 0 0 0 0 0 1 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 1 0 1 0 0 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 1 0 0 1 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 1 1 0 0 1 0 0 0 1 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 1 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 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1.08/1.16	d CHECKS 998699
1.08/1.16	d ASSIGNMENTS 1554
1.08/1.16	d NODES 1554 BACKTRACKS 1264 FAILURES 1264 RUNTIME 0.53 TOTALTIME 1.14 NODES/s 2932.08 CHECKS/s 1.88434e+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-2086407-1247383576/watcher-2086407-1247383576 -o /tmp/evaluation-result-2086407-1247383576/solver-2086407-1247383576 -C 1800 -W 2000 -M 900 /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2086407-1247383576.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: 2.13 2.03 2.01 4/76 28921
/proc/meminfo: memFree=1054288/2055920 swapFree=4192812/4192956
[pid=28921] ppid=28919 vsize=18576 CPUtime=0
/proc/28921/stat : 28921 (runsolver) R 28919 28921 28294 0 -1 4194368 15 0 0 0 0 0 0 0 19 0 1 0 25048942 19021824 284 996147200 4194304 4302564 548682068496 18446744073709551615 264519609639 0 2147483391 4096 24578 0 0 0 17 1 0 0
/proc/28921/statm: 4644 284 249 26 0 2626 0

[startup+0.233748 s]
/proc/loadavg: 2.13 2.03 2.01 4/76 28921
/proc/meminfo: memFree=1054288/2055920 swapFree=4192812/4192956
[pid=28921] ppid=28919 vsize=8104 CPUtime=0.21
/proc/28921/stat : 28921 (ld-linux.so.2) R 28919 28921 28294 0 -1 4194304 1202 0 0 0 21 0 0 0 19 0 1 0 25048942 8298496 1181 996147200 1448431616 1448550632 4294956208 18446744073709551615 134974784 0 0 4096 0 0 0 0 17 1 0 0
/proc/28921/statm: 2026 1181 376 29 0 841 0
Current children cumulated CPU time (s) 0.21
Current children cumulated vsize (KiB) 8104

[startup+0.301756 s]
/proc/loadavg: 2.13 2.03 2.01 4/76 28921
/proc/meminfo: memFree=1054288/2055920 swapFree=4192812/4192956
[pid=28921] ppid=28919 vsize=8616 CPUtime=0.28
/proc/28921/stat : 28921 (ld-linux.so.2) R 28919 28921 28294 0 -1 4194304 1359 0 0 0 28 0 0 0 19 0 1 0 25048942 8822784 1338 996147200 1448431616 1448550632 4294956208 18446744073709551615 134688896 0 0 4096 0 0 0 0 17 1 0 0
/proc/28921/statm: 2154 1338 376 29 0 969 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 8616

[startup+0.40177 s]
/proc/loadavg: 2.13 2.03 2.01 4/76 28921
/proc/meminfo: memFree=1054288/2055920 swapFree=4192812/4192956
[pid=28921] ppid=28919 vsize=9512 CPUtime=0.38
/proc/28921/stat : 28921 (ld-linux.so.2) R 28919 28921 28294 0 -1 4194304 1585 0 0 0 38 0 0 0 20 0 1 0 25048942 9740288 1564 996147200 1448431616 1448550632 4294956208 18446744073709551615 134688892 0 0 4096 0 0 0 0 17 1 0 0
/proc/28921/statm: 2378 1564 376 29 0 1193 0
Current children cumulated CPU time (s) 0.38
Current children cumulated vsize (KiB) 9512

[startup+0.701812 s]
/proc/loadavg: 2.13 2.03 2.01 4/76 28921
/proc/meminfo: memFree=1054288/2055920 swapFree=4192812/4192956
[pid=28921] ppid=28919 vsize=15312 CPUtime=0.68
/proc/28921/stat : 28921 (ld-linux.so.2) R 28919 28921 28294 0 -1 4194304 3031 0 0 0 67 1 0 0 23 0 1 0 25048942 15679488 3010 996147200 1448431616 1448550632 4294956208 18446744073709551615 134865092 0 0 4096 0 0 0 0 17 1 0 0
/proc/28921/statm: 3828 3010 420 29 0 2643 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 15312

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

[startup+0.901836 s]
/proc/loadavg: 2.13 2.03 2.01 4/76 28921
/proc/meminfo: memFree=1054288/2055920 swapFree=4192812/4192956
[pid=28921] ppid=28919 vsize=15312 CPUtime=0.88
/proc/28921/stat : 28921 (ld-linux.so.2) R 28919 28921 28294 0 -1 4194304 3032 0 0 0 87 1 0 0 25 0 1 0 25048942 15679488 3011 996147200 1448431616 1448550632 4294956208 18446744073709551615 135259370 0 0 4096 0 0 0 0 17 1 0 0
/proc/28921/statm: 3828 3011 420 29 0 2643 0
Current children cumulated CPU time (s) 0.88
Current children cumulated vsize (KiB) 15312

[startup+1.10186 s]
/proc/loadavg: 2.13 2.03 2.01 4/76 28921
/proc/meminfo: memFree=1054288/2055920 swapFree=4192812/4192956
[pid=28921] ppid=28919 vsize=15312 CPUtime=1.08
/proc/28921/stat : 28921 (ld-linux.so.2) R 28919 28921 28294 0 -1 4194304 3034 0 0 0 107 1 0 0 25 0 1 0 25048942 15679488 3013 996147200 1448431616 1448550632 4294956208 18446744073709551615 134857742 0 0 4096 0 0 0 0 17 1 0 0
/proc/28921/statm: 3828 3013 420 29 0 2643 0
Current children cumulated CPU time (s) 1.08
Current children cumulated vsize (KiB) 15312

[startup+1.20188 s]
/proc/loadavg: 2.13 2.03 2.01 3/77 28922
/proc/meminfo: memFree=1047752/2055920 swapFree=4192812/4192956
[pid=28921] ppid=28919 vsize=10956 CPUtime=1.18
/proc/28921/stat : 28921 (ld-linux.so.2) R 28919 28921 28294 0 -1 4194304 3069 0 0 0 117 1 0 0 25 0 1 0 25048942 11218944 2004 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157373632 0 0 4096 0 0 0 0 17 1 0 0
/proc/28921/statm: 2739 2004 453 29 0 1554 0
Current children cumulated CPU time (s) 1.18
Current children cumulated vsize (KiB) 10956

Child status: 0
Real time (s): 1.21129
CPU time (s): 1.19082
CPU user time (s): 1.17682
CPU system time (s): 0.013997
CPU usage (%): 98.3099
Max. virtual memory (cumulated for all children) (KiB): 15312

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.17682
system time used= 0.013997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3070
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= 37

runsolver used 0.004999 second user time and 0.010998 second system time

The end

Launcher Data

Begin job on node40 at 2009-07-12 09:26:17
IDJOB=2086407
IDBENCH=58589
IDSOLVER=769
FILE ID=node40/2086407-1247383576
PBS_JOBID= 9507299
Free space on /tmp= 66244 MiB

SOLVER NAME= Mistral 1.545
BENCH NAME= CPAI08/csp/bibdVariousK/normalized-bibd-25-30-6-5-1_glb.xml
COMMAND LINE= /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2086407-1247383576/watcher-2086407-1247383576 -o /tmp/evaluation-result-2086407-1247383576/solver-2086407-1247383576 -C 1800 -W 2000 -M 900  /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2086407-1247383576.xml

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

MD5SUM BENCH= 98fbe51462cae8914ddc8ad583b672a2
RANDOM SEED=1710321455

node40.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:       1054768 kB
Buffers:         90020 kB
Cached:         769092 kB
SwapCached:          0 kB
Active:         266500 kB
Inactive:       655028 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1054768 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3452 kB
Writeback:           0 kB
Mapped:          73352 kB
Slab:            64716 kB
Committed_AS:   314380 kB
PageTables:       1924 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= 66244 MiB
End job on node40 at 2009-07-12 09:26:18