Trace number 2069435

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
bpsolver 09SAT 1.08783 1.16206

General information on the benchmark

Namecsp/pseudo/mps/
normalized-mps-p2756.xml
MD5SUMc3b223ef9054a740457f73211bb3031f
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 benchmark0.678896
Satisfiable
(Un)Satisfiability was proved
Number of variables2756
Number of constraints749
Maximum constraint arity546
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension749
Global constraints used (with number of constraints)

Solver Data 

0.00/0.02	c bpsolver version 6.29.2009
0.00/0.03	c converting(HOME/instance-2069435-1247350436)
0.78/0.86	c Converted in 424 ms
0.87/0.98	c solving(HOME/instance-2069435-1247350436,1800000)
0.87/0.98	c solving(HOME/instance-2069435-1247350436,1800000)
0.97/1.08	c (ffc_inout)
0.97/1.08	s SATISFIABLE
0.97/1.08	v 1 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 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 0 0 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 0 0 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 1 0 0 0 0 0 0 0 1 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 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 1 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 1 0 0 0 0 0 0 0 0 1 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 1 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 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1.06/1.15	
1.06/1.15	c Time=218 ms Backtracks=1
1.06/1.15

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-2069435-1247350436/watcher-2069435-1247350436 -o /tmp/evaluation-result-2069435-1247350436/solver-2069435-1247350436 -C 1800 -W 2000 -M 900 HOME/solver HOME/instance-2069435-1247350436 1800 

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: 2.37 2.42 2.38 4/72 18147
/proc/meminfo: memFree=1811536/2055920 swapFree=4192812/4192956
[pid=18147] ppid=18145 vsize=18576 CPUtime=0
/proc/18147/stat : 18147 (runsolver) R 18145 18147 16485 0 -1 4194368 15 0 0 0 0 0 0 0 20 0 1 0 22109610 19021824 284 996147200 4194304 4302564 548682068528 18446744073709551615 210824129831 0 0 4096 24578 0 0 0 17 1 0 0
/proc/18147/statm: 4644 284 249 26 0 2626 0

[startup+0.0599749 s]
/proc/loadavg: 2.37 2.42 2.38 4/72 18147
/proc/meminfo: memFree=1811536/2055920 swapFree=4192812/4192956
[pid=18147] ppid=18145 vsize=62208 CPUtime=0.05
/proc/18147/stat : 18147 (bprolog) R 18145 18147 16485 0 -1 4194304 1155 0 0 0 3 2 0 0 20 0 1 0 22109610 63700992 868 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/18147/statm: 15552 868 174 144 0 15036 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 62208

[startup+0.101978 s]
/proc/loadavg: 2.37 2.42 2.38 4/72 18147
/proc/meminfo: memFree=1811536/2055920 swapFree=4192812/4192956
[pid=18147] ppid=18145 vsize=62208 CPUtime=0.08
/proc/18147/stat : 18147 (bprolog) R 18145 18147 16485 0 -1 4194304 1249 0 0 0 4 4 0 0 20 0 1 0 22109610 63700992 962 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/18147/statm: 15552 962 174 144 0 15036 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 62208

[startup+0.302002 s]
/proc/loadavg: 2.37 2.42 2.38 4/72 18147
/proc/meminfo: memFree=1811536/2055920 swapFree=4192812/4192956
[pid=18147] ppid=18145 vsize=70180 CPUtime=0.29
/proc/18147/stat : 18147 (bprolog) R 18145 18147 16485 0 -1 4194304 1542 0 0 0 17 12 0 0 21 0 1 0 22109610 71864320 1255 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/18147/statm: 17545 1255 178 144 0 17029 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 70180

[startup+0.701046 s]
/proc/loadavg: 2.37 2.42 2.38 4/72 18147
/proc/meminfo: memFree=1811536/2055920 swapFree=4192812/4192956
[pid=18147] ppid=18145 vsize=70180 CPUtime=0.68
/proc/18147/stat : 18147 (bprolog) R 18145 18147 16485 0 -1 4194304 1559 0 0 0 37 31 0 0 25 0 1 0 22109610 71864320 1272 996147200 134512640 135105188 4294956096 18446744073709551615 134557108 0 0 4096 2 0 0 0 17 1 0 0
/proc/18147/statm: 17545 1272 178 144 0 17029 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 70180

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

[startup+1.1061 s]
/proc/loadavg: 2.37 2.42 2.38 3/73 18148
/proc/meminfo: memFree=1803592/2055920 swapFree=4192812/4192956
[pid=18147] ppid=18145 vsize=80796 CPUtime=1.06
/proc/18147/stat : 18147 (bprolog) R 18145 18147 16485 0 -1 4194304 3844 0 0 0 65 41 0 0 25 0 2 0 22109610 82735104 3388 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 18446744073709551615 0 0 17 1 0 0
/proc/18147/statm: 20199 3388 209 144 0 19683 0
Current children cumulated CPU time (s) 1.06
Current children cumulated vsize (KiB) 80796

Child status: 0
Real time (s): 1.16206
CPU time (s): 1.08783
CPU user time (s): 0.659899
CPU system time (s): 0.427934
CPU usage (%): 93.6123
Max. virtual memory (cumulated for all children) (KiB): 80796

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.659899
system time used= 0.427934
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3844
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= 4
involuntary context switches= 2810

runsolver used 0.019996 second user time and 0.052991 second system time

The end

Launcher Data 

Begin job on node33 at 2009-07-12 00:13:56
IDJOB=2069435
IDBENCH=55054
IDSOLVER=770
FILE ID=node33/2069435-1247350436
PBS_JOBID= 9506798
Free space on /tmp= 66424 MiB

SOLVER NAME= bpsolver 09
BENCH NAME= CPAI08/csp/pseudo/mps/normalized-mps-p2756.xml
COMMAND LINE= HOME/solver BENCHNAMENOEXT TIMEOUT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2069435-1247350436/watcher-2069435-1247350436 -o /tmp/evaluation-result-2069435-1247350436/solver-2069435-1247350436 -C 1800 -W 2000 -M 900  HOME/solver HOME/instance-2069435-1247350436 1800

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

MD5SUM BENCH= c3b223ef9054a740457f73211bb3031f
RANDOM SEED=1780033531

node33.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		: 3000.229
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		: 3000.229
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:       1812016 kB
Buffers:          4852 kB
Cached:          52200 kB
SwapCached:          0 kB
Active:         184300 kB
Inactive:         9824 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1812016 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1792 kB
Writeback:           0 kB
Mapped:         148676 kB
Slab:            34960 kB
Committed_AS:   277328 kB
PageTables:       1968 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= 66424 MiB
End job on node33 at 2009-07-12 00:13:57