Trace number 2081920

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 0.505922 0.520845

General information on the benchmark

Namecsp/rlfapScens/
normalized-scen3.xml
MD5SUM58acb198c8815e68f48a73a562327d02
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.332948
Satisfiable
(Un)Satisfiability was proved
Number of variables400
Number of constraints2760
Maximum constraint arity2
Maximum domain size44
Number of constraints which are defined in extension0
Number of constraints which are defined in intension2760
Global constraints used (with number of constraints)

Solver Data 

0.00/0.02	c bpsolver version 6.29.2009
0.00/0.02	c converting(HOME/instance-2081920-1247374470)
0.38/0.42	c Converted in 184 ms
0.38/0.48	c solving(HOME/instance-2081920-1247374470,1800000)
0.38/0.48	c solving(HOME/instance-2081920-1247374470,1800000)
0.49/0.50	c (ffc_inout)
0.49/0.50	s SATISFIABLE
0.49/0.50	v 16 254 16 254 282 44 338 100 254 16 268 30 366 128 296 58 254 16 282 44 128 366 268 30 310 72 352 114 282 44 764 526 72 310 380 142 142 380 254 16 296 58 366 128 694 456 30 268 254 16 16 254 394 156 254 16 324 86 44 282 442 680 380 142 44 282 268 30 30 268 268 30 296 58 30 268 254 16 16 254 394 156 324 86 310 72 310 72 324 86 324 86 310 72 156 394 268 30 58 296 254 16 268 30 254 16 142 380 254 16 100 338 30 268 114 352 44 282 268 30 16 254 100 338 114 352 16 254 16 254 352 114 680 442 366 128 338 100 394 156 394 156 324 86 254 16 338 100 282 44 296 58 338 100 86 324 268 30 100 338 310 72 44 282 142 380 114 352 268 30 282 44 282 44 268 30 324 86 736 498 114 352 296 58 366 128 86 324 352 114 268 30 366 128 282 44 310 72 268 30 128 366 268 30 142 380 338 100 72 310 16 254 114 352 58 296 30 268 142 380 30 268 114 352 128 366 114 352 100 338 16 254 254 16 156 394 30 268 254 16 44 282 100 338 352 114 44 282 30 268 72 310 100 338 44 282 268 30 44 282 128 366 44 282 58 296 366 128 30 268 366 128 338 100 30 268 30 268 114 352 30 268 58 296 16 254 30 268 324 86 380 142 16 254 16 254 156 394 58 296 16 254 324 86 254 16 16 254 310 72 338 100 394 156 324 86 254 16 254 16 100 338 100 338 58 296 414 652 30 268 30 268 114 352 44 282 268 30 100 338 16 254 58 296 268 30 254 16 44 282 128 366 100 338 30 268 338 100 268 30 100 338 30 268 338 100 268 30 666 428 30 268 100 338 428 666 338 100 142 380 30 268 100 338 30 268 30 268 114 352 338 100 100 338 44 282 86 324 114 352 
0.49/0.51	
0.49/0.51	c Time=81 ms Backtracks=0
0.49/0.51

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-2081920-1247374470/watcher-2081920-1247374470 -o /tmp/evaluation-result-2081920-1247374470/solver-2081920-1247374470 -C 1800 -W 2000 -M 900 HOME/solver HOME/instance-2081920-1247374470 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: 2.21 2.05 2.01 4/74 23875
/proc/meminfo: memFree=982088/2055920 swapFree=4192812/4192956
[pid=23875] ppid=23873 vsize=18576 CPUtime=0
/proc/23875/stat : 23875 (runsolver) R 23873 23875 18714 0 -1 4194368 15 0 0 0 0 0 0 0 20 0 1 0 24511011 19021824 284 996147200 4194304 4302564 548682068528 18446744073709551615 272836914471 0 0 4096 24578 0 0 0 17 1 0 0
/proc/23875/statm: 4644 284 249 26 0 2626 0

[startup+0.049587 s]
/proc/loadavg: 2.21 2.05 2.01 4/74 23875
/proc/meminfo: memFree=982088/2055920 swapFree=4192812/4192956
[pid=23875] ppid=23873 vsize=62208 CPUtime=0.04
/proc/23875/stat : 23875 (bprolog) R 23873 23875 18714 0 -1 4194304 1132 0 0 0 2 2 0 0 20 0 1 0 24511011 63700992 845 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/23875/statm: 15552 845 173 144 0 15036 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 62208

[startup+0.101577 s]
/proc/loadavg: 2.21 2.05 2.01 4/74 23875
/proc/meminfo: memFree=982088/2055920 swapFree=4192812/4192956
[pid=23875] ppid=23873 vsize=62208 CPUtime=0.08
/proc/23875/stat : 23875 (bprolog) R 23873 23875 18714 0 -1 4194304 1143 0 0 0 4 4 0 0 20 0 1 0 24511011 63700992 856 996147200 134512640 135105188 4294956096 18446744073709551615 134570370 0 0 4096 2 0 0 0 17 1 0 0
/proc/23875/statm: 15552 856 176 144 0 15036 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 62208

[startup+0.301589 s]
/proc/loadavg: 2.21 2.05 2.01 4/74 23875
/proc/meminfo: memFree=982088/2055920 swapFree=4192812/4192956
[pid=23875] ppid=23873 vsize=62208 CPUtime=0.29
/proc/23875/stat : 23875 (bprolog) R 23873 23875 18714 0 -1 4194304 1148 0 0 0 14 15 0 0 21 0 1 0 24511011 63700992 861 996147200 134512640 135105188 4294956096 18446744073709551615 13005524 0 0 4096 2 0 0 0 17 1 0 0
/proc/23875/statm: 15552 861 176 144 0 15036 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 62208

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

[startup+0.50161 s]
/proc/loadavg: 2.21 2.05 2.01 4/74 23875
/proc/meminfo: memFree=982088/2055920 swapFree=4192812/4192956
[pid=23875] ppid=23873 vsize=70208 CPUtime=0.49
/proc/23875/stat : 23875 (bprolog) R 23873 23875 18714 0 -1 4194304 1939 0 0 0 27 22 0 0 23 0 1 0 24511011 71892992 1649 996147200 134512640 135105188 4294956096 18446744073709551615 134672590 0 0 4096 2 0 0 0 17 1 0 0
/proc/23875/statm: 17552 1649 189 144 0 17036 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 70208

Child status: 0
Real time (s): 0.520845
CPU time (s): 0.505922
CPU user time (s): 0.278957
CPU system time (s): 0.226965
CPU usage (%): 97.1348
Max. virtual memory (cumulated for all children) (KiB): 70208

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.278957
system time used= 0.226965
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1989
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= 440

runsolver used 0.009998 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node39 at 2009-07-12 06:54:30
IDJOB=2081920
IDBENCH=57509
IDSOLVER=770
FILE ID=node39/2081920-1247374470
PBS_JOBID= 9507055
Free space on /tmp= 66192 MiB

SOLVER NAME= bpsolver 09
BENCH NAME= CPAI08/csp/rlfapScens/normalized-scen3.xml
COMMAND LINE= HOME/solver BENCHNAMENOEXT TIMEOUT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2081920-1247374470/watcher-2081920-1247374470 -o /tmp/evaluation-result-2081920-1247374470/solver-2081920-1247374470 -C 1800 -W 2000 -M 900  HOME/solver HOME/instance-2081920-1247374470 1800

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

MD5SUM BENCH= 58acb198c8815e68f48a73a562327d02
RANDOM SEED=1393190008

node39.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		: 3000.236
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		: 3000.236
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:        982568 kB
Buffers:         54880 kB
Cached:         531008 kB
SwapCached:          0 kB
Active:         804948 kB
Inactive:       185948 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        982568 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2120 kB
Writeback:           0 kB
Mapped:         416252 kB
Slab:            66956 kB
Committed_AS:   587808 kB
PageTables:       2700 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= 66192 MiB
End job on node39 at 2009-07-12 06:54:30