Trace number 2067553

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 2.83857 2.85793

DiagnosticValue
ASSIGNMENTS1199
CHECKS751291
NODES1199

General information on the benchmark

Namecsp/pseudo/ppp/
normalized-ppp-1-12-16.xml
MD5SUM96f1337b79f3da95716c335bb7a66475
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 benchmark2.83857
Satisfiable
(Un)Satisfiability was proved
Number of variables4662
Number of constraints31899
Maximum constraint arity29
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension31899
Global constraints used (with number of constraints)

Solver Data 

0.00/0.00	c mistral version 1.545
2.58/2.64	s SATISFIABLE
2.58/2.64	v 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 1 1 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 1 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 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 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 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 1 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 1 0 1 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 1 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 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 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 1 1 0 0 0 0 0 0 0 0 0 0 0 0 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 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 1 0 0 0 1 0 1 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 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 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0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0
2.58/2.64	d CHECKS 751291
2.58/2.64	d ASSIGNMENTS 1199
2.58/2.64	d NODES 1199 BACKTRACKS 448 FAILURES 448 RUNTIME 0.82 TOTALTIME 2.62 NODES/s 1462.2 CHECKS/s 916209

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-2067553-1247344984/watcher-2067553-1247344984 -o /tmp/evaluation-result-2067553-1247344984/solver-2067553-1247344984 -C 1800 -W 2000 -M 900 /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2067553-1247344984.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: 2.45 2.30 2.16 4/83 15945
/proc/meminfo: memFree=1257016/2055920 swapFree=4192812/4192956
[pid=15945] ppid=15943 vsize=4804 CPUtime=0
/proc/15945/stat : 15945 (ld-linux.so.2) R 15943 15945 14623 0 -1 4194304 181 0 0 0 0 0 0 0 18 0 1 0 21565420 4919296 162 996147200 1448431616 1448550632 4294956208 18446744073709551615 1448480482 0 0 4096 0 0 0 0 17 0 0 0
/proc/15945/statm: 1201 162 137 29 0 16 0

[startup+0.0860169 s]
/proc/loadavg: 2.45 2.30 2.16 4/83 15945
/proc/meminfo: memFree=1257016/2055920 swapFree=4192812/4192956
[pid=15945] ppid=15943 vsize=6324 CPUtime=0.07
/proc/15945/stat : 15945 (ld-linux.so.2) R 15943 15945 14623 0 -1 4194304 792 0 0 0 7 0 0 0 18 0 1 0 21565420 6475776 771 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381179 0 0 4096 0 0 0 0 17 0 0 0
/proc/15945/statm: 1581 771 374 29 0 396 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 6324

[startup+0.101018 s]
/proc/loadavg: 2.45 2.30 2.16 4/83 15945
/proc/meminfo: memFree=1257016/2055920 swapFree=4192812/4192956
[pid=15945] ppid=15943 vsize=6584 CPUtime=0.08
/proc/15945/stat : 15945 (ld-linux.so.2) R 15943 15945 14623 0 -1 4194304 840 0 0 0 8 0 0 0 18 0 1 0 21565420 6742016 819 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381179 0 0 4096 0 0 0 0 17 0 0 0
/proc/15945/statm: 1646 819 374 29 0 461 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 6584

[startup+0.301059 s]
/proc/loadavg: 2.45 2.30 2.16 4/83 15945
/proc/meminfo: memFree=1257016/2055920 swapFree=4192812/4192956
[pid=15945] ppid=15943 vsize=8920 CPUtime=0.29
/proc/15945/stat : 15945 (ld-linux.so.2) R 15943 15945 14623 0 -1 4194304 1420 0 0 0 28 1 0 0 19 0 1 0 21565420 9134080 1399 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381179 0 0 4096 0 0 0 0 17 0 0 0
/proc/15945/statm: 2230 1399 374 29 0 1045 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8920

[startup+0.701142 s]
/proc/loadavg: 2.45 2.30 2.16 4/83 15945
/proc/meminfo: memFree=1257016/2055920 swapFree=4192812/4192956
[pid=15945] ppid=15943 vsize=13184 CPUtime=0.68
/proc/15945/stat : 15945 (ld-linux.so.2) R 15943 15945 14623 0 -1 4194304 2509 0 0 0 67 1 0 0 23 0 1 0 21565420 13500416 2488 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381179 0 0 4096 0 0 0 0 17 0 0 0
/proc/15945/statm: 3296 2488 375 29 0 2111 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 13184

[startup+1.5013 s]
/proc/loadavg: 2.41 2.30 2.15 3/84 15946
/proc/meminfo: memFree=1242096/2055920 swapFree=4192812/4192956
[pid=15945] ppid=15943 vsize=23292 CPUtime=1.49
/proc/15945/stat : 15945 (ld-linux.so.2) R 15943 15945 14623 0 -1 4194304 4903 0 0 0 146 3 0 0 25 0 1 0 21565420 23851008 4882 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381179 0 0 4096 0 0 0 0 17 0 0 0
/proc/15945/statm: 5823 4883 379 29 0 4638 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 23292

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

[startup+2.30146 s]
/proc/loadavg: 2.41 2.30 2.15 3/84 15946
/proc/meminfo: memFree=1196656/2055920 swapFree=4192812/4192956
[pid=15945] ppid=15943 vsize=59776 CPUtime=2.28
/proc/15945/stat : 15945 (ld-linux.so.2) R 15943 15945 14623 0 -1 4194304 13961 0 0 0 222 6 0 0 25 0 1 0 21565420 61210624 13940 996147200 1448431616 1448550632 4294956208 18446744073709551615 134865219 0 0 4096 0 0 0 0 17 0 0 0
/proc/15945/statm: 14944 13940 424 29 0 13759 0
Current children cumulated CPU time (s) 2.28
Current children cumulated vsize (KiB) 59776

[startup+2.70153 s]
/proc/loadavg: 2.41 2.30 2.15 3/84 15946
/proc/meminfo: memFree=1196656/2055920 swapFree=4192812/4192956
[pid=15945] ppid=15943 vsize=59988 CPUtime=2.68
/proc/15945/stat : 15945 (ld-linux.so.2) R 15943 15945 14623 0 -1 4194304 14010 0 0 0 262 6 0 0 25 0 1 0 21565420 61427712 13989 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157373396 0 0 4096 0 0 0 0 17 0 0 0
/proc/15945/statm: 14997 13989 452 29 0 13812 0
Current children cumulated CPU time (s) 2.68
Current children cumulated vsize (KiB) 59988

[startup+2.80155 s]
/proc/loadavg: 2.41 2.30 2.15 3/84 15946
/proc/meminfo: memFree=1196656/2055920 swapFree=4192812/4192956
[pid=15945] ppid=15943 vsize=57956 CPUtime=2.78
/proc/15945/stat : 15945 (ld-linux.so.2) R 15943 15945 14623 0 -1 4194304 14019 0 0 0 272 6 0 0 25 0 1 0 21565420 59346944 13635 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157373529 0 0 4096 0 0 0 0 17 0 0 0
/proc/15945/statm: 14489 13635 461 29 0 13304 0
Current children cumulated CPU time (s) 2.78
Current children cumulated vsize (KiB) 57956

Child status: 0
Real time (s): 2.85793
CPU time (s): 2.83857
CPU user time (s): 2.76458
CPU system time (s): 0.073988
CPU usage (%): 99.3224
Max. virtual memory (cumulated for all children) (KiB): 59988

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.76458
system time used= 0.073988
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 14020
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= 100

runsolver used 0.002999 second user time and 0.014997 second system time

The end

Launcher Data 

Begin job on node11 at 2009-07-11 22:43:04
IDJOB=2067553
IDBENCH=54671
IDSOLVER=769
FILE ID=node11/2067553-1247344984
PBS_JOBID= 9506800
Free space on /tmp= 66440 MiB

SOLVER NAME= Mistral 1.545
BENCH NAME= CPAI08/csp/pseudo/ppp/normalized-ppp-1-12-16.xml
COMMAND LINE= /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2067553-1247344984/watcher-2067553-1247344984 -o /tmp/evaluation-result-2067553-1247344984/solver-2067553-1247344984 -C 1800 -W 2000 -M 900  /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2067553-1247344984.xml

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

MD5SUM BENCH= 96f1337b79f3da95716c335bb7a66475
RANDOM SEED=951235856

node11.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		: 3000.274
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		: 3000.274
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:       1257496 kB
Buffers:         16716 kB
Cached:          94940 kB
SwapCached:          0 kB
Active:         713948 kB
Inactive:        31392 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1257496 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            6036 kB
Writeback:           0 kB
Mapped:         649408 kB
Slab:            37224 kB
Committed_AS:   856832 kB
PageTables:       3064 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= 66440 MiB
End job on node11 at 2009-07-11 22:43:07