Trace number 2074967

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
Mistral 1.545SAT 7.06792 7.14079

DiagnosticValue
ASSIGNMENTS24980
CHECKS1136910
NODES24980

General information on the benchmark

Namecsp/rand-8-20-5/
normalized-rand-8-20-5-18-800-16_ext.xml
MD5SUM6055b466c2f8fc9ec37eadf95d8b3dc4
Bench CategoryN-ARY-EXT (n-ary constraints in extension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark7.06792
Satisfiable
(Un)Satisfiability was proved
Number of variables20
Number of constraints18
Maximum constraint arity8
Maximum domain size5
Number of constraints which are defined in extension18
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data 

0.18/0.21	c mistral version 1.545
6.92/7.05	s SATISFIABLE
6.92/7.05	v 0 0 2 0 0 1 2 0 1 4 4 2 1 0 3 1 0 2 2 0
6.92/7.05	d CHECKS 1136906
6.92/7.05	d ASSIGNMENTS 24980
6.92/7.05	d NODES 24980 BACKTRACKS 24974 FAILURES 24974 RUNTIME 4.24 TOTALTIME 6.97 NODES/s 5891.51 CHECKS/s 268138

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-2074967-1247359486/watcher-2074967-1247359486 -o /tmp/evaluation-result-2074967-1247359486/solver-2074967-1247359486 -C 1800 -W 2000 -M 900 /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2074967-1247359486.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: 2.06 1.86 1.90 4/82 17944
/proc/meminfo: memFree=1382088/2055920 swapFree=4192812/4192956
[pid=17944] ppid=17942 vsize=18576 CPUtime=0
/proc/17944/stat : 17944 (runsolver) R 17942 17944 15166 0 -1 4194368 15 0 0 0 0 0 0 0 18 0 1 0 23015611 19021824 284 996147200 4194304 4302564 548682068496 18446744073709551615 237788261671 0 2147483391 4096 24578 0 0 0 17 0 0 0
/proc/17944/statm: 4644 284 249 26 0 2626 0

[startup+0.074532 s]
/proc/loadavg: 2.06 1.86 1.90 4/82 17944
/proc/meminfo: memFree=1382088/2055920 swapFree=4192812/4192956
[pid=17944] ppid=17942 vsize=6572 CPUtime=0.05
/proc/17944/stat : 17944 (ld-linux.so.2) R 17942 17944 15166 0 -1 4194304 794 0 0 0 5 0 0 0 18 0 1 0 23015611 6729728 773 996147200 1448431616 1448550632 4294956208 18446744073709551615 134670879 0 0 4096 0 0 0 0 17 1 0 0
/proc/17944/statm: 1643 773 358 29 0 458 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 6572

[startup+0.102533 s]
/proc/loadavg: 2.06 1.86 1.90 4/82 17944
/proc/meminfo: memFree=1382088/2055920 swapFree=4192812/4192956
[pid=17944] ppid=17942 vsize=7232 CPUtime=0.08
/proc/17944/stat : 17944 (ld-linux.so.2) R 17942 17944 15166 0 -1 4194304 964 0 0 0 8 0 0 0 18 0 1 0 23015611 7405568 943 996147200 1448431616 1448550632 4294956208 18446744073709551615 134661460 0 0 4096 0 0 0 0 17 1 0 0
/proc/17944/statm: 1808 943 358 29 0 623 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 7232

[startup+0.301584 s]
/proc/loadavg: 2.06 1.86 1.90 4/82 17944
/proc/meminfo: memFree=1382088/2055920 swapFree=4192812/4192956
[pid=17944] ppid=17942 vsize=12204 CPUtime=0.28
/proc/17944/stat : 17944 (ld-linux.so.2) R 17942 17944 15166 0 -1 4194304 2165 0 0 0 27 1 0 0 19 0 1 0 23015611 12496896 2144 996147200 1448431616 1448550632 4294956208 18446744073709551615 134670905 0 0 4096 0 0 0 0 17 1 0 0
/proc/17944/statm: 3051 2144 358 29 0 1866 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 12204

[startup+0.702649 s]
/proc/loadavg: 2.06 1.86 1.90 4/82 17944
/proc/meminfo: memFree=1382088/2055920 swapFree=4192812/4192956
[pid=17944] ppid=17942 vsize=21528 CPUtime=0.68
/proc/17944/stat : 17944 (ld-linux.so.2) R 17942 17944 15166 0 -1 4194304 4587 0 0 0 66 2 0 0 23 0 1 0 23015611 22044672 4566 996147200 1448431616 1448550632 4294956208 18446744073709551615 134671397 0 0 4096 0 0 0 0 17 1 0 0
/proc/17944/statm: 5382 4566 358 29 0 4197 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 21528

[startup+1.5018 s]
/proc/loadavg: 2.13 1.88 1.91 3/83 17945
/proc/meminfo: memFree=1357120/2055920 swapFree=4192812/4192956
[pid=17944] ppid=17942 vsize=40532 CPUtime=1.48
/proc/17944/stat : 17944 (ld-linux.so.2) R 17942 17944 15166 0 -1 4194304 9304 0 0 0 142 6 0 0 25 0 1 0 23015611 41504768 9283 996147200 1448431616 1448550632 4294956208 18446744073709551615 134602809 0 0 4096 0 0 0 0 17 1 0 0
/proc/17944/statm: 10133 9283 358 29 0 8948 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 40532

[startup+3.10108 s]
/proc/loadavg: 2.13 1.88 1.91 3/83 17945
/proc/meminfo: memFree=1332096/2055920 swapFree=4192812/4192956
[pid=17944] ppid=17942 vsize=66296 CPUtime=3.06
/proc/17944/stat : 17944 (ld-linux.so.2) R 17942 17944 15166 0 -1 4194304 15822 0 0 0 296 10 0 0 25 0 1 0 23015611 67887104 15801 996147200 1448431616 1448550632 4294956208 18446744073709551615 134860501 0 0 4096 0 0 0 0 17 1 0 0
/proc/17944/statm: 16574 15801 412 29 0 15389 0
Current children cumulated CPU time (s) 3.06
Current children cumulated vsize (KiB) 66296

[startup+6.30167 s]
/proc/loadavg: 2.13 1.88 1.91 4/83 17945
/proc/meminfo: memFree=1320448/2055920 swapFree=4192812/4192956
[pid=17944] ppid=17942 vsize=66296 CPUtime=6.23
/proc/17944/stat : 17944 (ld-linux.so.2) R 17942 17944 15166 0 -1 4194304 15822 0 0 0 613 10 0 0 25 0 1 0 23015611 67887104 15801 996147200 1448431616 1448550632 4294956208 18446744073709551615 134860561 0 0 4096 0 0 0 0 17 1 0 0
/proc/17944/statm: 16574 15801 412 29 0 15389 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 66296

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

[startup+6.70174 s]
/proc/loadavg: 2.20 1.90 1.91 4/83 17945
/proc/meminfo: memFree=1320448/2055920 swapFree=4192812/4192956
[pid=17944] ppid=17942 vsize=66296 CPUtime=6.62
/proc/17944/stat : 17944 (ld-linux.so.2) R 17942 17944 15166 0 -1 4194304 15822 0 0 0 652 10 0 0 25 0 1 0 23015611 67887104 15801 996147200 1448431616 1448550632 4294956208 18446744073709551615 134860504 0 0 4096 0 0 0 0 17 1 0 0
/proc/17944/statm: 16574 15801 412 29 0 15389 0
Current children cumulated CPU time (s) 6.62
Current children cumulated vsize (KiB) 66296

[startup+7.10183 s]
/proc/loadavg: 2.20 1.90 1.91 4/83 17945
/proc/meminfo: memFree=1320448/2055920 swapFree=4192812/4192956
[pid=17944] ppid=17942 vsize=62924 CPUtime=7.02
/proc/17944/stat : 17944 (ld-linux.so.2) R 17942 17944 15166 0 -1 4194304 15860 0 0 0 692 10 0 0 25 0 1 0 23015611 64434176 14995 996147200 1448431616 1448550632 4294956208 18446744073709551615 4158632218 0 0 4096 0 0 0 0 17 1 0 0
/proc/17944/statm: 15731 14995 449 29 0 14546 0
Current children cumulated CPU time (s) 7.02
Current children cumulated vsize (KiB) 62924

Child status: 0
Real time (s): 7.14079
CPU time (s): 7.06792
CPU user time (s): 6.95594
CPU system time (s): 0.111982
CPU usage (%): 98.9796
Max. virtual memory (cumulated for all children) (KiB): 66296

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.95594
system time used= 0.111982
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 15861
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= 24
involuntary context switches= 162

runsolver used 0.007998 second user time and 0.027995 second system time

The end

Launcher Data 

Begin job on node24 at 2009-07-12 02:44:48
IDJOB=2074967
IDBENCH=56211
IDSOLVER=769
FILE ID=node24/2074967-1247359486
PBS_JOBID= 9506831
Free space on /tmp= 66440 MiB

SOLVER NAME= Mistral 1.545
BENCH NAME= CPAI08/csp/rand-8-20-5/normalized-rand-8-20-5-18-800-16_ext.xml
COMMAND LINE= /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2074967-1247359486/watcher-2074967-1247359486 -o /tmp/evaluation-result-2074967-1247359486/solver-2074967-1247359486 -C 1800 -W 2000 -M 900  /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2074967-1247359486.xml

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

MD5SUM BENCH= 6055b466c2f8fc9ec37eadf95d8b3dc4
RANDOM SEED=60551420

node24.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		: 3000.287
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		: 3000.287
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:       1382760 kB
Buffers:         40380 kB
Cached:         123840 kB
SwapCached:          0 kB
Active:         564400 kB
Inactive:        57296 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1382760 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:           23140 kB
Writeback:           0 kB
Mapped:         477944 kB
Slab:            35756 kB
Committed_AS:   627000 kB
PageTables:       2748 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= 66440 MiB
End job on node24 at 2009-07-12 02:44:55