Trace number 2081315

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 09UNSAT 0.260959 0.271976

General information on the benchmark

Namecsp/varDimacs/
normalized-hole-07_ext.xml
MD5SUMd0dfb06c2c1647e5949b7f71273b876a
Bench CategoryN-ARY-EXT (n-ary constraints in extension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.12598
Satisfiable
(Un)Satisfiability was proved
Number of variables56
Number of constraints204
Maximum constraint arity7
Maximum domain size2
Number of constraints which are defined in extension204
Number of constraints which are defined in intension0
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-2081315-1247372478)
0.00/0.04	c Converted in 6 ms
0.00/0.05	c solving(HOME/instance-2081315-1247372478,1800000)
0.00/0.05	c solving(HOME/instance-2081315-1247372478,1800000)
0.18/0.27	c (ffc_inout)
0.18/0.27	s UNSATISFIABLE
0.18/0.27	
0.18/0.27	c Time=216 ms Backtracks=28643
0.18/0.27

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2081315-1247372478/watcher-2081315-1247372478 -o /tmp/evaluation-result-2081315-1247372478/solver-2081315-1247372478 -C 1800 -W 2000 -M 900 HOME/solver HOME/instance-2081315-1247372478 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: 1.99 1.98 1.99 4/72 23077
/proc/meminfo: memFree=1165224/2055920 swapFree=4192956/4192956
[pid=23077] ppid=23075 vsize=5596 CPUtime=0
/proc/23077/stat : 23077 (bprolog) R 23075 23077 22121 0 -1 4194304 293 0 0 0 0 0 0 0 20 0 1 0 24315285 5730304 24 996147200 134512640 135105188 4294956096 18446744073709551615 10588459 0 0 4096 0 0 0 0 17 1 0 0
/proc/23077/statm: 1399 24 18 144 0 1229 0

[startup+0.184438 s]
/proc/loadavg: 1.99 1.98 1.99 4/72 23077
/proc/meminfo: memFree=1165224/2055920 swapFree=4192956/4192956
[pid=23077] ppid=23075 vsize=72444 CPUtime=0.16
/proc/23077/stat : 23077 (bprolog) R 23075 23077 22121 0 -1 4194304 1150 0 0 0 15 1 0 0 21 0 2 0 24315285 74182656 860 996147200 134512640 135105188 4294956096 18446744073709551615 134629887 0 0 4096 2 18446744073709551615 0 0 17 1 0 0
/proc/23077/statm: 18111 860 192 144 0 17595 0
Current children cumulated CPU time (s) 0.16
Current children cumulated vsize (KiB) 72444

[startup+0.202488 s]
/proc/loadavg: 1.99 1.98 1.99 4/72 23077
/proc/meminfo: memFree=1165224/2055920 swapFree=4192956/4192956
[pid=23077] ppid=23075 vsize=72444 CPUtime=0.18
/proc/23077/stat : 23077 (bprolog) R 23075 23077 22121 0 -1 4194304 1150 0 0 0 17 1 0 0 21 0 2 0 24315285 74182656 860 996147200 134512640 135105188 4294956096 18446744073709551615 134711842 0 0 4096 2 18446744073709551615 0 0 17 1 0 0
/proc/23077/statm: 18111 860 192 144 0 17595 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 72444

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

Child status: 0
Real time (s): 0.271976
CPU time (s): 0.260959
CPU user time (s): 0.240963
CPU system time (s): 0.019996
CPU usage (%): 95.9493
Max. virtual memory (cumulated for all children) (KiB): 72444

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.240963
system time used= 0.019996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1150
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= 5
involuntary context switches= 31

runsolver used 0.001999 second user time and 0.008998 second system time

The end

Launcher Data 

Begin job on node4 at 2009-07-12 06:21:18
IDJOB=2081315
IDBENCH=57386
IDSOLVER=770
FILE ID=node4/2081315-1247372478
PBS_JOBID= 9507116
Free space on /tmp= 66260 MiB

SOLVER NAME= bpsolver 09
BENCH NAME= CPAI08/csp/varDimacs/normalized-hole-07_ext.xml
COMMAND LINE= HOME/solver BENCHNAMENOEXT TIMEOUT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2081315-1247372478/watcher-2081315-1247372478 -o /tmp/evaluation-result-2081315-1247372478/solver-2081315-1247372478 -C 1800 -W 2000 -M 900  HOME/solver HOME/instance-2081315-1247372478 1800

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

MD5SUM BENCH= d0dfb06c2c1647e5949b7f71273b876a
RANDOM SEED=151962294

node4.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		: 3000.213
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		: 3000.213
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:       1165704 kB
Buffers:         78400 kB
Cached:         648248 kB
SwapCached:          0 kB
Active:         252900 kB
Inactive:       556848 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1165704 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            1412 kB
Writeback:           0 kB
Mapped:          94548 kB
Slab:            65496 kB
Committed_AS:   245604 kB
PageTables:       1988 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= 66260 MiB
End job on node4 at 2009-07-12 06:21:18