Trace number 2086540

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 2.69059 2.78003

General information on the benchmark

Namecsp/bibdVariousK/
normalized-bibd-16-24-9-6-3_glb.xml
MD5SUMd8964aa23b53ca448f385c0392ae4569
Bench CategoryAlldiff+Elt+WSum (alldiff,element,weightedsum)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.05884
Satisfiable
(Un)Satisfiability was proved
Number of variables3264
Number of constraints3040
Maximum constraint arity24
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension2880
Global constraints used (with number of constraints)weightedsum(160)

Solver Data 

0.00/0.02	c bpsolver version 6.29.2009
0.00/0.02	c converting(HOME/instance-2086540-1247383693)
0.69/0.76	c Converted in 300 ms
0.78/0.85	c solving(HOME/instance-2086540-1247383693,1800000)
0.78/0.85	c solving(HOME/instance-2086540-1247383693,1800000)
2.57/2.69	c (ffc_inout)
2.57/2.69	s SATISFIABLE
2.57/2.69	v 1 0 0 1 0 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 1 0 1 1 0 0 1 0 0 1 1 0 0 1 0 0 0 1 0 0 1 0 0 0 1 0 1 1 0 1 0 0 1 0 0 0 1 0 0 1 1 0 0 1 0 0 0 0 1 0 1 1 0 1 0 0 1 0 1 0 0 1 0 0 0 0 1 0 0 1 0 1 0 1 0 1 1 0 0 1 0 0 0 0 1 0 0 1 0 1 0 0 1 0 0 1 0 1 0 1 0 0 1 0 0 1 0 1 0 0 1 0 1 0 0 1 0 0 0 1 0 1 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 1 0 0 1 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 1 0 0 1 1 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 1 1 1 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 1 1 1 0 0 0 1 1 1 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 1 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 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 0 1 1 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 0 0 1 0 0 1 0 0 0 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2.66/2.77	
2.66/2.77	c Time=1914 ms Backtracks=27881
2.66/2.77

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-2086540-1247383693/watcher-2086540-1247383693 -o /tmp/evaluation-result-2086540-1247383693/solver-2086540-1247383693 -C 1800 -W 2000 -M 900 HOME/solver HOME/instance-2086540-1247383693 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: 1.93 1.97 1.99 4/81 24843
/proc/meminfo: memFree=1889232/2055920 swapFree=4192812/4192956
[pid=24843] ppid=24841 vsize=18576 CPUtime=0
/proc/24843/stat : 24843 (runsolver) R 24841 24843 24711 0 -1 4194368 15 0 0 0 0 0 0 0 23 0 1 0 25435712 19021824 284 996147200 4194304 4302564 548682068528 18446744073709551615 238487661863 0 0 4096 24578 0 0 0 17 1 0 0
/proc/24843/statm: 4644 284 249 26 0 2626 0

[startup+0.038289 s]
/proc/loadavg: 1.93 1.97 1.99 4/81 24843
/proc/meminfo: memFree=1889232/2055920 swapFree=4192812/4192956
[pid=24843] ppid=24841 vsize=62208 CPUtime=0.02
/proc/24843/stat : 24843 (bprolog) R 24841 24843 24711 0 -1 4194304 1111 0 0 0 1 1 0 0 23 0 1 0 25435712 63700992 824 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/24843/statm: 15552 824 174 144 0 15036 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 62208

[startup+0.101296 s]
/proc/loadavg: 1.93 1.97 1.99 4/81 24843
/proc/meminfo: memFree=1889232/2055920 swapFree=4192812/4192956
[pid=24843] ppid=24841 vsize=62208 CPUtime=0.09
/proc/24843/stat : 24843 (bprolog) R 24841 24843 24711 0 -1 4194304 1251 0 0 0 5 4 0 0 23 0 1 0 25435712 63700992 964 996147200 134512640 135105188 4294956096 18446744073709551615 134647524 0 0 4096 2 0 0 0 17 1 0 0
/proc/24843/statm: 15552 964 174 144 0 15036 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 62208

[startup+0.301337 s]
/proc/loadavg: 1.93 1.97 1.99 4/81 24843
/proc/meminfo: memFree=1889232/2055920 swapFree=4192812/4192956
[pid=24843] ppid=24841 vsize=62208 CPUtime=0.28
/proc/24843/stat : 24843 (bprolog) R 24841 24843 24711 0 -1 4194304 1494 0 0 0 12 16 0 0 24 0 1 0 25435712 63700992 1207 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/24843/statm: 15552 1207 177 144 0 15036 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 62208

[startup+0.701411 s]
/proc/loadavg: 1.93 1.97 1.99 4/81 24843
/proc/meminfo: memFree=1889232/2055920 swapFree=4192812/4192956
[pid=24843] ppid=24841 vsize=62208 CPUtime=0.69
/proc/24843/stat : 24843 (bprolog) R 24841 24843 24711 0 -1 4194304 1519 0 0 0 30 39 0 0 25 0 1 0 25435712 63700992 1232 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/24843/statm: 15552 1232 177 144 0 15036 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 62208

[startup+1.50157 s]
/proc/loadavg: 1.93 1.97 1.99 3/83 24845
/proc/meminfo: memFree=1880320/2055920 swapFree=4192812/4192956
[pid=24843] ppid=24841 vsize=80632 CPUtime=1.47
/proc/24843/stat : 24843 (bprolog) R 24841 24843 24711 0 -1 4194304 2939 0 0 0 103 44 0 0 25 0 2 0 25435712 82567168 2357 996147200 134512640 135105188 4294956096 18446744073709551615 134629901 0 0 4096 2 18446744073709551615 0 0 17 1 0 0
/proc/24843/statm: 20158 2357 206 144 0 19642 0
[pid=24843/tid=24845] ppid=24841 vsize=80632 CPUtime=0
/proc/24843/task/24845/stat : 24845 (bprolog) S 24841 24843 24711 0 -1 4194368 2 0 0 0 0 0 0 0 25 0 2 0 25435802 82567168 2357 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 80632

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

[startup+2.30172 s]
/proc/loadavg: 1.94 1.97 1.99 3/83 24845
/proc/meminfo: memFree=1879872/2055920 swapFree=4192812/4192956
[pid=24843] ppid=24841 vsize=80632 CPUtime=2.27
/proc/24843/stat : 24843 (bprolog) R 24841 24843 24711 0 -1 4194304 2959 0 0 0 183 44 0 0 25 0 2 0 25435712 82567168 2377 996147200 134512640 135105188 4294956096 18446744073709551615 134629875 0 0 4096 2 18446744073709551615 0 0 17 1 0 0
/proc/24843/statm: 20158 2377 206 144 0 19642 0
[pid=24843/tid=24845] ppid=24841 vsize=80632 CPUtime=0
/proc/24843/task/24845/stat : 24845 (bprolog) S 24841 24843 24711 0 -1 4194368 2 0 0 0 0 0 0 0 25 0 2 0 25435802 82567168 2377 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 2.27
Current children cumulated vsize (KiB) 80632

[startup+2.7018 s]
/proc/loadavg: 1.94 1.97 1.99 3/83 24845
/proc/meminfo: memFree=1879872/2055920 swapFree=4192812/4192956
[pid=24843] ppid=24841 vsize=80632 CPUtime=2.66
/proc/24843/stat : 24843 (bprolog) R 24841 24843 24711 0 -1 4194304 2981 0 0 0 222 44 0 0 25 0 2 0 25435712 82567168 2399 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 18446744073709551615 0 0 17 1 0 0
/proc/24843/statm: 20158 2399 206 144 0 19642 0
[pid=24843/tid=24845] ppid=24841 vsize=80632 CPUtime=0
/proc/24843/task/24845/stat : 24845 (bprolog) S 24841 24843 24711 0 -1 4194368 2 0 0 0 0 0 0 0 25 0 2 0 25435802 82567168 2399 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 2.66
Current children cumulated vsize (KiB) 80632

Child status: 0
Real time (s): 2.78003
CPU time (s): 2.69059
CPU user time (s): 2.22966
CPU system time (s): 0.460929
CPU usage (%): 96.7828
Max. virtual memory (cumulated for all children) (KiB): 80632

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.22966
system time used= 0.460929
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2981
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= 3408

runsolver used 0.010998 second user time and 0.065989 second system time

The end

Launcher Data 

Begin job on node23 at 2009-07-12 09:28:13
IDJOB=2086540
IDBENCH=58601
IDSOLVER=770
FILE ID=node23/2086540-1247383693
PBS_JOBID= 9507323
Free space on /tmp= 66360 MiB

SOLVER NAME= bpsolver 09
BENCH NAME= CPAI08/csp/bibdVariousK/normalized-bibd-16-24-9-6-3_glb.xml
COMMAND LINE= HOME/solver BENCHNAMENOEXT TIMEOUT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2086540-1247383693/watcher-2086540-1247383693 -o /tmp/evaluation-result-2086540-1247383693/solver-2086540-1247383693 -C 1800 -W 2000 -M 900  HOME/solver HOME/instance-2086540-1247383693 1800

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

MD5SUM BENCH= d8964aa23b53ca448f385c0392ae4569
RANDOM SEED=950290928

node23.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		: 3000.277
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		: 3000.277
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:       1889712 kB
Buffers:         10548 kB
Cached:          67924 kB
SwapCached:          0 kB
Active:          86728 kB
Inactive:        28328 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1889712 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2208 kB
Writeback:           0 kB
Mapped:          56980 kB
Slab:            36232 kB
Committed_AS:   222616 kB
PageTables:       1876 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= 66360 MiB
End job on node23 at 2009-07-12 09:28:16