Trace number 1078461

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
mddc-solv 2008-06-09SAT 6.40203 6.46194

DiagnosticValue
CHECKS1005880

General information on the benchmark

Namecsp/rand-3-20-20-fcd/
normalized-rand-3-20-20-60-632-fcd-36_ext.xml
MD5SUMbe23452fb46abd6d5e7af19898ef7610
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 benchmark6.40203
Satisfiable
(Un)Satisfiability was proved
Number of variables20
Number of constraints60
Maximum constraint arity3
Maximum domain size20
Number of constraints which are defined in extension60
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.03	c loading... 0.49 secs
0.48/0.52	c smallest 421
0.48/0.52	c largest 423
0.48/0.52	c average 422.667
0.48/0.52	
6.33/6.45	s SATISFIABLE
6.33/6.45	v 19 15 11 12 3 15 19 16 7 6 11 11 17 3 13 4 19 4 12 11
6.33/6.45	d CHECKS 1005882
6.33/6.45	c FAILS 14272
6.33/6.45	c RESTARTS 10

Verifier Data (download as text)

OK

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-1078461-1215206888/watcher-1078461-1215206888 -o /tmp/evaluation-result-1078461-1215206888/solver-1078461-1215206888 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/solver HOME/instance-1078461-1215206888.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): 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: 1.97 1.96 1.91 4/73 24942
/proc/meminfo: memFree=1406152/2055920 swapFree=4122156/4192956
[pid=24942] ppid=24940 vsize=364 CPUtime=0
/proc/24942/stat : 24942 (solver) R 24940 24942 24559 0 -1 4194304 39 0 0 0 0 0 0 0 19 0 1 0 1308934746 372736 25 996147200 134512640 134773262 4294956240 18446744073709551615 7619364 0 2147483391 4096 0 0 0 0 17 1 0 0
/proc/24942/statm: 91 25 19 63 0 3 0

[startup+0.109579 s]
/proc/loadavg: 1.97 1.96 1.91 4/73 24942
/proc/meminfo: memFree=1406152/2055920 swapFree=4122156/4192956
[pid=24942] ppid=24940 vsize=9456 CPUtime=0.1
/proc/24942/stat : 24942 (solver) R 24940 24942 24559 0 -1 4194304 1913 0 0 0 9 1 0 0 20 0 1 0 1308934746 9682944 1538 996147200 134512640 134773262 4294956240 18446744073709551615 134647704 0 0 4096 0 0 0 0 17 1 0 0
/proc/24942/statm: 2364 1538 338 63 0 1381 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 9456

[startup+0.201607 s]
/proc/loadavg: 1.97 1.96 1.91 4/73 24942
/proc/meminfo: memFree=1406152/2055920 swapFree=4122156/4192956
[pid=24942] ppid=24940 vsize=9896 CPUtime=0.18
/proc/24942/stat : 24942 (solver) R 24940 24942 24559 0 -1 4194304 2031 0 0 0 17 1 0 0 20 0 1 0 1308934746 10133504 1656 996147200 134512640 134773262 4294956240 18446744073709551615 134531061 0 0 4096 0 0 0 0 17 1 0 0
/proc/24942/statm: 2474 1656 338 63 0 1491 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 9896

[startup+0.301625 s]
/proc/loadavg: 1.97 1.96 1.91 4/73 24942
/proc/meminfo: memFree=1406152/2055920 swapFree=4122156/4192956
[pid=24942] ppid=24940 vsize=10472 CPUtime=0.28
/proc/24942/stat : 24942 (solver) R 24940 24942 24559 0 -1 4194304 2157 0 0 0 27 1 0 0 21 0 1 0 1308934746 10723328 1782 996147200 134512640 134773262 4294956240 18446744073709551615 134647795 0 0 4096 0 0 0 0 17 1 0 0
/proc/24942/statm: 2618 1782 338 63 0 1635 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 10472

[startup+0.701696 s]
/proc/loadavg: 1.97 1.96 1.91 4/73 24942
/proc/meminfo: memFree=1406152/2055920 swapFree=4122156/4192956
[pid=24942] ppid=24940 vsize=6884 CPUtime=0.67
/proc/24942/stat : 24942 (solver) R 24940 24942 24559 0 -1 4194304 2501 0 0 0 66 1 0 0 25 0 1 0 1308934746 7049216 1099 996147200 134512640 134773262 4294956240 18446744073709551615 134529805 0 0 4096 0 0 0 0 17 1 0 0
/proc/24942/statm: 1721 1099 364 63 0 738 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 6884

[startup+1.50185 s]
/proc/loadavg: 1.97 1.96 1.91 3/74 24943
/proc/meminfo: memFree=1403136/2055920 swapFree=4122156/4192956
[pid=24942] ppid=24940 vsize=6888 CPUtime=1.46
/proc/24942/stat : 24942 (solver) R 24940 24942 24559 0 -1 4194304 2502 0 0 0 145 1 0 0 25 0 1 0 1308934746 7053312 1100 996147200 134512640 134773262 4294956240 18446744073709551615 134529940 0 0 4096 0 0 0 0 17 1 0 0
/proc/24942/statm: 1722 1100 364 63 0 739 0
Current children cumulated CPU time (s) 1.46
Current children cumulated vsize (KiB) 6888

[startup+3.10217 s]
/proc/loadavg: 1.97 1.96 1.91 3/74 24943
/proc/meminfo: memFree=1402944/2055920 swapFree=4122156/4192956
[pid=24942] ppid=24940 vsize=6888 CPUtime=3.06
/proc/24942/stat : 24942 (solver) R 24940 24942 24559 0 -1 4194304 2502 0 0 0 305 1 0 0 25 0 1 0 1308934746 7053312 1100 996147200 134512640 134773262 4294956240 18446744073709551615 134529685 0 0 4096 0 0 0 0 17 1 0 0
/proc/24942/statm: 1722 1100 364 63 0 739 0
Current children cumulated CPU time (s) 3.06
Current children cumulated vsize (KiB) 6888

[startup+6.3018 s]
/proc/loadavg: 1.97 1.96 1.91 3/74 24943
/proc/meminfo: memFree=1402880/2055920 swapFree=4122156/4192956
[pid=24942] ppid=24940 vsize=6888 CPUtime=6.23
/proc/24942/stat : 24942 (solver) R 24940 24942 24559 0 -1 4194304 2502 0 0 0 622 1 0 0 25 0 1 0 1308934746 7053312 1100 996147200 134512640 134773262 4294956240 18446744073709551615 134529756 0 0 4096 0 0 0 0 17 1 0 0
/proc/24942/statm: 1722 1100 364 63 0 739 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 6888

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

[startup+6.40181 s]
/proc/loadavg: 1.97 1.96 1.91 3/74 24943
/proc/meminfo: memFree=1402880/2055920 swapFree=4122156/4192956
[pid=24942] ppid=24940 vsize=6888 CPUtime=6.33
/proc/24942/stat : 24942 (solver) R 24940 24942 24559 0 -1 4194304 2502 0 0 0 632 1 0 0 25 0 1 0 1308934746 7053312 1100 996147200 134512640 134773262 4294956240 18446744073709551615 134529893 0 0 4096 0 0 0 0 17 1 0 0
/proc/24942/statm: 1722 1100 364 63 0 739 0
Current children cumulated CPU time (s) 6.33
Current children cumulated vsize (KiB) 6888

Child status: 0
Real time (s): 6.46194
CPU time (s): 6.40203
CPU user time (s): 6.38003
CPU system time (s): 0.021996
CPU usage (%): 99.0727
Max. virtual memory (cumulated for all children) (KiB): 11296

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.38003
system time used= 0.021996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2513
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= 153

runsolver used 0.011998 second user time and 0.022996 second system time

The end

Launcher Data (download as text)

Begin job on node20 at 2008-07-04 23:28:08
IDJOB=1078461
IDBENCH=56796
IDSOLVER=311
FILE ID=node20/1078461-1215206888
PBS_JOBID= 7881729
Free space on /tmp= 66492 MiB

SOLVER NAME= mddc-solv 2008-06-09
BENCH NAME= CPAI08/csp/rand-3-20-20-fcd/normalized-rand-3-20-20-60-632-fcd-36_ext.xml
COMMAND LINE= HOME/solver BENCHNAME 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1078461-1215206888/watcher-1078461-1215206888 -o /tmp/evaluation-result-1078461-1215206888/solver-1078461-1215206888 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/solver HOME/instance-1078461-1215206888.xml 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= be23452fb46abd6d5e7af19898ef7610
RANDOM SEED=1121708389

node20.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		: 3000.263
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		: 3000.263
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:       1406696 kB
Buffers:         82704 kB
Cached:         289292 kB
SwapCached:      64700 kB
Active:         391592 kB
Inactive:       181548 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1406696 kB
SwapTotal:     4192956 kB
SwapFree:      4122156 kB
Dirty:            1864 kB
Writeback:           0 kB
Mapped:         207548 kB
Slab:            61000 kB
Committed_AS:  2785684 kB
PageTables:       2216 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= 66488 MiB
End job on node20 at 2008-07-04 23:28:15