Trace number 2075693

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 0.994848 1.01232

DiagnosticValue
ASSIGNMENTS557
CHECKS75350
NODES557

General information on the benchmark

Namecsp/bmc/
normalized-bmc-ibm-02-16.xml
MD5SUMd2b238adbe311c4042186eb1d30baf8a
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 benchmark0.994848
Satisfiable
(Un)Satisfiability was proved
Number of variables2810
Number of constraints14493
Maximum constraint arity17
Maximum domain size16
Number of constraints which are defined in extension0
Number of constraints which are defined in intension14493
Global constraints used (with number of constraints)

Solver Data 

0.18/0.20	c mistral version 1.545
0.88/0.90	s SATISFIABLE
0.88/0.90	v 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 1 0 1 1 0 0 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 1 0 0 0 1 1 1 1 0 0 1 0 0 1 1 1 0 1 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 1 1 0 1 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 0 1 1 0 1 0 1 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 1 1 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 1 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 1 1 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 0 0 0 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 1 1 1 0 1 1 0 0 1 1 1 1 0 1 0 1 0 1 0 1 1 1 1 1 0 1 1 0 1 0 1 0 1 0 1 0 1 1 1 0 1 1 1 1 1 1 1 0 0 1 0 1 0 1 1 1 0 1 0 0 1 0 1 0 1 0 1 0 1 1 0 1 1 1 1 0 0 0 0 0 0 0 1 1 0 1 1 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 1 0 0 0 1 1 1 1 1 0 1 1 0 1 1 1 0 0 0 0 1 1 1 1 1 0 0 1 0 1 1 0 0 1 0 0 0 0 1 1 0 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 1 0 1 0 0 0 0 1 0 1 0 0 0 0 1 1 0 1 0 1 0 1 0 0 0 1 0 0 1 1 1 1 1 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0 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1 1 1 1 0 1 0 1 1 1 1 0 0 0 0 1 1 0 0 0 0 0 1 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 1 0 0 0 1 0 0 1 0 0 0 1 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 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 1 0 1 0 0 0 0 1 0 0 0 1 0 0 1 0 1 0 0 0 0 1 0 0 0 1 0 0 1 0 1 0 0 0 0 1 0 0 0 1 0 0 1 0 1 0 1 1 1 0 1 0 0 1 1 0 1 1 0 1 1 1 1 1 0 1 1 1 1 1 1 0 1 1 1 1 1 0 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 1 0 0 1 0 0 1 1 0 1 0 0 0 0 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1
0.88/0.90	d CHECKS 75350
0.88/0.90	d ASSIGNMENTS 557
0.88/0.90	d NODES 557 BACKTRACKS 1 FAILURES 1 RUNTIME 0.07 TOTALTIME 0.88 NODES/s 7957.14 CHECKS/s 1.07643e+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-2075693-1247361964/watcher-2075693-1247361964 -o /tmp/evaluation-result-2075693-1247361964/solver-2075693-1247361964 -C 1800 -W 2000 -M 900 /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2075693-1247361964.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

[startup+0 s]
/proc/loadavg: 2.00 2.00 1.93 4/73 18294
/proc/meminfo: memFree=1874376/2055920 swapFree=4192812/4192956
[pid=18294] ppid=18292 vsize=18576 CPUtime=0
/proc/18294/stat : 18294 (runsolver) R 18292 16584 16584 0 -1 4194368 9 0 0 0 0 0 0 0 19 0 1 0 23260350 19021824 282 996147200 4194304 4302564 548682068496 18446744073709551615 259415141281 0 0 4096 24578 0 0 0 17 1 0 0
/proc/18294/statm: 4644 282 247 26 0 2626 0
Current StackSize limit: 10240 KiB


[startup+0.0932211 s]
/proc/loadavg: 2.00 2.00 1.93 4/73 18294
/proc/meminfo: memFree=1874376/2055920 swapFree=4192812/4192956
[pid=18294] ppid=18292 vsize=6128 CPUtime=0.07
/proc/18294/stat : 18294 (ld-linux.so.2) R 18292 18294 16584 0 -1 4194304 727 0 0 0 7 0 0 0 18 0 1 0 23260350 6275072 706 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157378188 0 0 4096 0 0 0 0 17 1 0 0
/proc/18294/statm: 1532 706 373 29 0 347 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 6128

[startup+0.101215 s]
/proc/loadavg: 2.00 2.00 1.93 4/73 18294
/proc/meminfo: memFree=1874376/2055920 swapFree=4192812/4192956
[pid=18294] ppid=18292 vsize=6128 CPUtime=0.08
/proc/18294/stat : 18294 (ld-linux.so.2) R 18292 18294 16584 0 -1 4194304 747 0 0 0 8 0 0 0 18 0 1 0 23260350 6275072 726 996147200 1448431616 1448550632 4294956208 18446744073709551615 134707158 0 0 4096 0 0 0 0 17 1 0 0
/proc/18294/statm: 1532 726 373 29 0 347 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 6128

[startup+0.301261 s]
/proc/loadavg: 2.00 2.00 1.93 4/73 18294
/proc/meminfo: memFree=1874376/2055920 swapFree=4192812/4192956
[pid=18294] ppid=18292 vsize=8920 CPUtime=0.28
/proc/18294/stat : 18294 (ld-linux.so.2) R 18292 18294 16584 0 -1 4194304 1428 0 0 0 28 0 0 0 19 0 1 0 23260350 9134080 1407 996147200 1448431616 1448550632 4294956208 18446744073709551615 134688896 0 0 4096 0 0 0 0 17 1 0 0
/proc/18294/statm: 2230 1407 378 29 0 1045 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 8920

[startup+0.70134 s]
/proc/loadavg: 2.00 2.00 1.93 4/73 18294
/proc/meminfo: memFree=1874376/2055920 swapFree=4192812/4192956
[pid=18294] ppid=18292 vsize=15052 CPUtime=0.68
/proc/18294/stat : 18294 (ld-linux.so.2) R 18292 18294 16584 0 -1 4194304 2992 0 0 0 67 1 0 0 23 0 1 0 23260350 15413248 2971 996147200 1448431616 1448550632 4294956208 18446744073709551615 134944610 0 0 4096 0 0 0 0 17 1 0 0
/proc/18294/statm: 3763 2971 383 29 0 2578 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 15052

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

[startup+0.901378 s]
/proc/loadavg: 2.00 2.00 1.93 4/73 18294
/proc/meminfo: memFree=1874376/2055920 swapFree=4192812/4192956
[pid=18294] ppid=18292 vsize=33592 CPUtime=0.88
/proc/18294/stat : 18294 (ld-linux.so.2) R 18292 18294 16584 0 -1 4194304 7528 0 0 0 85 3 0 0 25 0 1 0 23260350 34398208 7507 996147200 1448431616 1448550632 4294956208 18446744073709551615 135167820 0 0 4096 0 0 0 0 17 1 0 0
/proc/18294/statm: 8398 7507 431 29 0 7213 0
Current children cumulated CPU time (s) 0.88
Current children cumulated vsize (KiB) 33592

[startup+1.0014 s]
/proc/loadavg: 2.00 2.00 1.93 3/74 18295
/proc/meminfo: memFree=1863488/2055920 swapFree=4192812/4192956
[pid=18294] ppid=18292 vsize=15260 CPUtime=0.98
/proc/18294/stat : 18294 (ld-linux.so.2) R 18292 18294 16584 0 -1 4194304 7563 0 0 0 95 3 0 0 25 0 1 0 23260350 15626240 3094 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157378185 0 0 4096 0 0 0 0 17 1 0 0
/proc/18294/statm: 3815 3094 466 29 0 2630 0
Current children cumulated CPU time (s) 0.98
Current children cumulated vsize (KiB) 15260

Child status: 0
Real time (s): 1.01232
CPU time (s): 0.994848
CPU user time (s): 0.955854
CPU system time (s): 0.038994
CPU usage (%): 98.2739
Max. virtual memory (cumulated for all children) (KiB): 33592

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.955854
system time used= 0.038994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7564
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= 31

runsolver used 0.002999 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node42 at 2009-07-12 03:26:04
IDJOB=2075693
IDBENCH=56336
IDSOLVER=769
FILE ID=node42/2075693-1247361964
PBS_JOBID= 9506885
Free space on /tmp= 66304 MiB

SOLVER NAME= Mistral 1.545
BENCH NAME= CPAI08/csp/bmc/normalized-bmc-ibm-02-16.xml
COMMAND LINE= /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2075693-1247361964/watcher-2075693-1247361964 -o /tmp/evaluation-result-2075693-1247361964/solver-2075693-1247361964 -C 1800 -W 2000 -M 900  /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2075693-1247361964.xml

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

MD5SUM BENCH= d2b238adbe311c4042186eb1d30baf8a
RANDOM SEED=957179492

node42.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		: 3000.283
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		: 3000.283
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:       1874792 kB
Buffers:         23944 kB
Cached:          89208 kB
SwapCached:          0 kB
Active:          97788 kB
Inactive:        35308 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1874792 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3372 kB
Writeback:           0 kB
Mapped:          30656 kB
Slab:            33444 kB
Committed_AS:   234712 kB
PageTables:       1744 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= 66300 MiB
End job on node42 at 2009-07-12 03:26:05