Trace number 2081868

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
pcs-restart 0.3.2UNSAT 6.97094 7.03929

DiagnosticValue
ASSIGNMENTS3

General information on the benchmark

Namecsp/rlfapScensMod/
normalized-scen6-w2.xml
MD5SUM1cde4a8edaff62c26d222a77b00f21f0
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 benchmark0.208967
Satisfiable
(Un)Satisfiability was proved
Number of variables200
Number of constraints648
Maximum constraint arity2
Maximum domain size44
Number of constraints which are defined in extension0
Number of constraints which are defined in intension648
Global constraints used (with number of constraints)

Solver Data 

0.00/0.01	c has big domains
0.00/0.01	c big-domain mode
0.18/0.20	c Seed is 1782631896
0.18/0.20	c Constructing HOME/instance-2081868-1247720565.xml  with 1844 constraints
0.18/0.20	c Solving 3 backtracks
6.91/7.03	s UNSATISFIABLE
6.91/7.03	d ASSIGNMENTS 3

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-2081868-1247720565/watcher-2081868-1247720565 -o /tmp/evaluation-result-2081868-1247720565/solver-2081868-1247720565 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 1782631896 HOME/instance-2081868-1247720565.xml 

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: 2.12 2.04 2.01 4/72 14078
/proc/meminfo: memFree=1492888/2055920 swapFree=4192812/4192956
[pid=14078] ppid=14076 vsize=5356 CPUtime=0
/proc/14078/stat : 14078 (pcssolve) R 14076 14078 10970 0 -1 4194304 265 0 0 0 0 0 0 0 20 0 1 0 59123023 5484544 233 996147200 4194304 4889804 548682068800 18446744073709551615 4571150 0 0 4100 65536 0 0 0 17 1 0 0
/proc/14078/statm: 1339 233 194 169 0 50 0

[startup+0.10916 s]
/proc/loadavg: 2.12 2.04 2.01 4/72 14078
/proc/meminfo: memFree=1492888/2055920 swapFree=4192812/4192956
[pid=14078] ppid=14076 vsize=5992 CPUtime=0.08
/proc/14078/stat : 14078 (pcs.big) R 14076 14078 10970 0 -1 4194304 1186 662 0 0 8 0 0 0 18 0 1 0 59123023 6135808 817 996147200 134512640 135215973 4294956304 18446744073709551615 134583697 0 0 4096 0 0 0 0 17 1 0 0
/proc/14078/statm: 1498 817 401 171 0 423 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 5992

[startup+0.201168 s]
/proc/loadavg: 2.12 2.04 2.01 4/72 14078
/proc/meminfo: memFree=1492888/2055920 swapFree=4192812/4192956
[pid=14078] ppid=14076 vsize=6388 CPUtime=0.18
/proc/14078/stat : 14078 (pcs.big) R 14076 14078 10970 0 -1 4194304 1301 662 0 0 18 0 0 0 18 0 1 0 59123023 6541312 932 996147200 134512640 135215973 4294956304 18446744073709551615 134583640 0 0 4096 0 0 0 0 17 1 0 0
/proc/14078/statm: 1597 932 401 171 0 522 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 6388

[startup+0.301182 s]
/proc/loadavg: 2.12 2.04 2.01 4/72 14078
/proc/meminfo: memFree=1492888/2055920 swapFree=4192812/4192956
[pid=14078] ppid=14076 vsize=7340 CPUtime=0.27
/proc/14078/stat : 14078 (pcs.big) R 14076 14078 10970 0 -1 4194304 1523 662 0 0 27 0 0 0 19 0 1 0 59123023 7516160 1154 996147200 134512640 135215973 4294956304 18446744073709551615 134583640 0 0 4096 0 0 0 0 17 1 0 0
/proc/14078/statm: 1835 1154 401 171 0 760 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 7340

[startup+0.701221 s]
/proc/loadavg: 2.12 2.04 2.01 4/72 14078
/proc/meminfo: memFree=1492888/2055920 swapFree=4192812/4192956
[pid=14078] ppid=14076 vsize=10300 CPUtime=0.67
/proc/14078/stat : 14078 (pcs.big) R 14076 14078 10970 0 -1 4194304 2275 662 0 0 66 1 0 0 23 0 1 0 59123023 10547200 1906 996147200 134512640 135215973 4294956304 18446744073709551615 134583640 0 0 4096 0 0 0 0 17 1 0 0
/proc/14078/statm: 2575 1906 401 171 0 1500 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 10300

[startup+1.50131 s]
/proc/loadavg: 2.12 2.04 2.01 3/73 14083
/proc/meminfo: memFree=1486288/2055920 swapFree=4192812/4192956
[pid=14078] ppid=14076 vsize=10960 CPUtime=1.46
/proc/14078/stat : 14078 (pcs.big) R 14076 14078 10970 0 -1 4194304 2450 662 0 0 145 1 0 0 25 0 1 0 59123023 11223040 2081 996147200 134512640 135215973 4294956304 18446744073709551615 134583640 0 0 4096 0 0 0 0 17 1 0 0
/proc/14078/statm: 2740 2081 401 171 0 1665 0
Current children cumulated CPU time (s) 1.46
Current children cumulated vsize (KiB) 10960

[startup+3.10148 s]
/proc/loadavg: 2.12 2.04 2.01 3/73 14083
/proc/meminfo: memFree=1483280/2055920 swapFree=4192812/4192956
[pid=14078] ppid=14076 vsize=13680 CPUtime=3.05
/proc/14078/stat : 14078 (pcs.big) R 14076 14078 10970 0 -1 4194304 3100 662 0 0 304 1 0 0 25 0 1 0 59123023 14008320 2731 996147200 134512640 135215973 4294956304 18446744073709551615 134600118 0 0 4096 0 0 0 0 17 1 0 0
/proc/14078/statm: 3420 2731 401 171 0 2345 0
Current children cumulated CPU time (s) 3.05
Current children cumulated vsize (KiB) 13680

[startup+6.30184 s]
/proc/loadavg: 2.11 2.03 2.00 3/73 14083
/proc/meminfo: memFree=1482896/2055920 swapFree=4192812/4192956
[pid=14078] ppid=14076 vsize=22680 CPUtime=6.22
/proc/14078/stat : 14078 (pcs.big) R 14076 14078 10970 0 -1 4194304 5308 662 0 0 620 2 0 0 25 0 1 0 59123023 23224320 4939 996147200 134512640 135215973 4294956304 18446744073709551615 134532677 0 0 4096 0 0 0 0 17 1 0 0
/proc/14078/statm: 5670 4939 401 171 0 4595 0
Current children cumulated CPU time (s) 6.22
Current children cumulated vsize (KiB) 22680

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

[startup+6.40184 s]
/proc/loadavg: 2.11 2.03 2.00 3/73 14083
/proc/meminfo: memFree=1482896/2055920 swapFree=4192812/4192956
[pid=14078] ppid=14076 vsize=22468 CPUtime=6.32
/proc/14078/stat : 14078 (pcs.big) R 14076 14078 10970 0 -1 4194304 5319 662 0 0 630 2 0 0 25 0 1 0 59123023 23007232 4897 996147200 134512640 135215973 4294956304 18446744073709551615 134583640 0 0 4096 0 0 0 0 17 1 0 0
/proc/14078/statm: 5617 4897 404 171 0 4542 0
Current children cumulated CPU time (s) 6.32
Current children cumulated vsize (KiB) 22468

[startup+6.80188 s]
/proc/loadavg: 2.11 2.03 2.00 3/73 14083
/proc/meminfo: memFree=1474320/2055920 swapFree=4192812/4192956
[pid=14078] ppid=14076 vsize=22468 CPUtime=6.72
/proc/14078/stat : 14078 (pcs.big) R 14076 14078 10970 0 -1 4194304 5320 662 0 0 670 2 0 0 25 0 1 0 59123023 23007232 4898 996147200 134512640 135215973 4294956304 18446744073709551615 4158960048 0 0 4096 0 0 0 0 17 1 0 0
/proc/14078/statm: 5617 4898 404 171 0 4542 0
Current children cumulated CPU time (s) 6.72
Current children cumulated vsize (KiB) 22468

[startup+7.0019 s]
/proc/loadavg: 2.11 2.03 2.00 3/73 14083
/proc/meminfo: memFree=1474320/2055920 swapFree=4192812/4192956
[pid=14078] ppid=14076 vsize=22468 CPUtime=6.91
/proc/14078/stat : 14078 (pcs.big) R 14076 14078 10970 0 -1 4194304 5320 662 0 0 689 2 0 0 25 0 1 0 59123023 23007232 4898 996147200 134512640 135215973 4294956304 18446744073709551615 134583640 0 0 4096 0 0 0 0 17 1 0 0
/proc/14078/statm: 5617 4898 404 171 0 4542 0
Current children cumulated CPU time (s) 6.91
Current children cumulated vsize (KiB) 22468

Child status: 0
Real time (s): 7.03929
CPU time (s): 6.97094
CPU user time (s): 6.93494
CPU system time (s): 0.035994
CPU usage (%): 99.029
Max. virtual memory (cumulated for all children) (KiB): 22680

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.93494
system time used= 0.035994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5984
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= 19
involuntary context switches= 175

runsolver used 0.011998 second user time and 0.025996 second system time

The end

Launcher Data 

Begin job on node21 at 2009-07-16 07:02:45
IDJOB=2081868
IDBENCH=57505
IDSOLVER=734
FILE ID=node21/2081868-1247720565
PBS_JOBID= 9521311
Free space on /tmp= 66324 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/rlfapScensMod/normalized-scen6-w2.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2081868-1247720565/watcher-2081868-1247720565 -o /tmp/evaluation-result-2081868-1247720565/solver-2081868-1247720565 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 1782631896 HOME/instance-2081868-1247720565.xml

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

MD5SUM BENCH= 1cde4a8edaff62c26d222a77b00f21f0
RANDOM SEED=1782631896

node21.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		: 3000.240
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		: 3000.240
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:       1493368 kB
Buffers:         70960 kB
Cached:         291616 kB
SwapCached:          0 kB
Active:         199944 kB
Inactive:       286624 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1493368 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2480 kB
Writeback:           0 kB
Mapped:         135468 kB
Slab:            61008 kB
Committed_AS:   589560 kB
PageTables:       2052 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= 66324 MiB
End job on node21 at 2009-07-16 07:02:53