Trace number 1088834

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
MDG-probe 2008-06-27UNSAT 0.533918 0.540507

DiagnosticValue
ASSIGNMENTS0
CHECKS3

General information on the benchmark

Namecsp/graphColoring/register/inithx/
normalized-inithx-i-3-28.xml
MD5SUM56a1064229e13fe0f53238d62121e670
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.499923
Satisfiable
(Un)Satisfiability was proved
Number of variables621
Number of constraints13969
Maximum constraint arity2
Maximum domain size28
Number of constraints which are defined in extension0
Number of constraints which are defined in intension13969
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.11	c mistral-prime version 1.313
0.00/0.11	c 
0.00/0.11	c Parsing xml file
0.00/0.11	c          domains...............     0	(1 domains)
0.00/0.11	c          variables.............     0	(621 variables)
0.00/0.11	c          predicates............     0	(1 predicates)
0.00/0.11	c          constraints...........  0.45	(13969 constraints)
0.39/0.46	c Parsing time:   0.45
0.39/0.46	c
0.39/0.46	c Building model
0.49/0.50	c       106 AllDifferent constraints infered
0.49/0.51	c         0 constants
0.49/0.51	c         0 Boolean variables    (+0)
0.49/0.51	c        62 range variables      (+0)
0.49/0.51	c         0 domain (b) variables (+0)
0.49/0.51	c       559 domain (l) variables (+0)
0.49/0.51	c     13969 constraints          (+106)
0.49/0.51	c         0 values 
0.49/0.51	c Building time:   0.05
0.49/0.51	c
0.49/0.51	c Solving instance
0.49/0.51	c          heuristic = dom/wdeg
0.49/0.51	c          Randomized probing iteration = 100
0.49/0.51	c          probing limit = 30
0.49/0.51	c          level based weights = no
0.49/0.51	c          impact probing = no
0.49/0.51	c          restart policy = No restart
0.49/0.51	c          probing      0
0.49/0.51	c          Probing Nodes     0
0.49/0.51	c Solving time:      0
0.49/0.51	c
0.49/0.51	s UNSATISFIABLE
0.49/0.51	d CHECKS 3
0.49/0.51	d ASSIGNMENTS 0

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

runsolver version 3.2.5 (c) roussel@cril.univ-artois.fr

command line: /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1088834-1215260236/watcher-1088834-1215260236 -o /tmp/evaluation-result-1088834-1215260236/solver-1088834-1215260236 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1088834-1215260236.xml -v 1 -rs 762406799 -probe 1 -ph 0 -heu dom/wdeg -res no 

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): 2200 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.99 1.99 2.00 4/73 10191
/proc/meminfo: memFree=1741064/2055920 swapFree=4181492/4192956
[pid=10191] ppid=10189 vsize=6260 CPUtime=0.19
/proc/10191/stat : 10191 (xsolve) R 10189 10191 9134 0 -1 4194304 912 0 0 0 19 0 0 0 19 0 1 0 138034631 6410240 878 996147200 134512640 135239859 4294956144 18446744073709551615 4159157505 0 0 4096 0 0 0 0 17 1 0 0
/proc/10191/statm: 1565 878 391 177 0 468 0

[startup+0.25617 s]
/proc/loadavg: 1.99 1.99 2.00 4/73 10191
/proc/meminfo: memFree=1741064/2055920 swapFree=4181492/4192956
[pid=10191] ppid=10189 vsize=6784 CPUtime=0.24
/proc/10191/stat : 10191 (xsolve) R 10189 10191 9134 0 -1 4194304 1015 0 0 0 24 0 0 0 19 0 1 0 138034631 6946816 981 996147200 134512640 135239859 4294956144 18446744073709551615 134683229 0 0 4096 0 0 0 0 17 1 0 0
/proc/10191/statm: 1696 981 391 177 0 599 0
Current children cumulated CPU time (s) 0.24
Current children cumulated vsize (KiB) 6784

[startup+0.301175 s]
/proc/loadavg: 1.99 1.99 2.00 4/73 10191
/proc/meminfo: memFree=1741064/2055920 swapFree=4181492/4192956
[pid=10191] ppid=10189 vsize=7044 CPUtime=0.28
/proc/10191/stat : 10191 (xsolve) R 10189 10191 9134 0 -1 4194304 1085 0 0 0 28 0 0 0 19 0 1 0 138034631 7213056 1051 996147200 134512640 135239859 4294956144 18446744073709551615 134622542 0 0 4096 0 0 0 0 17 1 0 0
/proc/10191/statm: 1761 1051 391 177 0 664 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 7044

[startup+0.401187 s]
/proc/loadavg: 1.99 1.99 2.00 4/73 10191
/proc/meminfo: memFree=1741064/2055920 swapFree=4181492/4192956
[pid=10191] ppid=10189 vsize=7812 CPUtime=0.39
/proc/10191/stat : 10191 (xsolve) R 10189 10191 9134 0 -1 4194304 1276 0 0 0 38 1 0 0 20 0 1 0 138034631 7999488 1242 996147200 134512640 135239859 4294956144 18446744073709551615 4160505748 0 0 4096 0 0 0 0 17 1 0 0
/proc/10191/statm: 1953 1242 391 177 0 856 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 7812

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

[startup+0.5012 s]
/proc/loadavg: 1.99 1.99 2.00 4/73 10191
/proc/meminfo: memFree=1741064/2055920 swapFree=4181492/4192956
[pid=10191] ppid=10189 vsize=11296 CPUtime=0.49
/proc/10191/stat : 10191 (xsolve) R 10189 10191 9134 0 -1 4194304 2142 0 0 0 48 1 0 0 21 0 1 0 138034631 11567104 2108 996147200 134512640 135239859 4294956144 18446744073709551615 4159148586 0 0 4096 0 0 0 0 17 1 0 0
/proc/10191/statm: 2824 2108 410 177 0 1727 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 11296

Child status: 0
Real time (s): 0.540507
CPU time (s): 0.533918
CPU user time (s): 0.516921
CPU system time (s): 0.016997
CPU usage (%): 98.781
Max. virtual memory (cumulated for all children) (KiB): 11296

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.516921
system time used= 0.016997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2441
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= 7
involuntary context switches= 35

runsolver used 0.003999 second user time and 0.006998 second system time

The end

Launcher Data (download as text)

Begin job on node73 at 2008-07-05 14:17:16
IDJOB=1088834
IDBENCH=58135
IDSOLVER=342
FILE ID=node73/1088834-1215260236
PBS_JOBID= 7882057
Free space on /tmp= 66544 MiB

SOLVER NAME= MDG-probe 2008-06-27
BENCH NAME= CPAI08/csp/graphColoring/register/inithx/normalized-inithx-i-3-28.xml
COMMAND LINE= HOME/xsolve BENCHNAME -v 1 -rs RANDOMSEED -probe 1 -ph 0 -heu dom/wdeg -res no
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1088834-1215260236/watcher-1088834-1215260236 -o /tmp/evaluation-result-1088834-1215260236/solver-1088834-1215260236 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1088834-1215260236.xml -v 1 -rs 762406799 -probe 1 -ph 0 -heu dom/wdeg -res no

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 56a1064229e13fe0f53238d62121e670
RANDOM SEED=762406799

node73.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		: 3000.230
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		: 3000.230
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:       1741544 kB
Buffers:         24736 kB
Cached:         188764 kB
SwapCached:       5052 kB
Active:         161752 kB
Inactive:       101856 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1741544 kB
SwapTotal:     4192956 kB
SwapFree:      4181492 kB
Dirty:            3084 kB
Writeback:           0 kB
Mapped:          58020 kB
Slab:            35892 kB
Committed_AS:   556972 kB
PageTables:       2132 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= 66544 MiB
End job on node73 at 2008-07-05 14:17:17