Trace number 201203

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, and are wall clock time (not CPU 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
VALCSP 3.0? (MO) 83.8683 84.7883

General information on the benchmark

Namefapp/fapp11-15/fapp12/
fapp12-1500-3.xml
MD5SUM931b9eff036dfe9624d2ebd0c55327ca
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Satisfiable
(Un)Satisfiability was proved
Number of variables1500
Number of constraints25409
Maximum constraint arity2
Maximum domain size310
Number of constraints which are defined in extension0
Number of constraints which are defined in intension25409
Global constraints used (with number of constraints)

Solver Data (download as text)



Verifier Data (download as text)




ERROR: Unexpected answer ! (SAT/UNSAT expected)
Got answer: 



Watcher Data (download as text)




runsolver version 3.1.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node1/watcher-201203-1168146033 -o ROOT/results/node1/solver-201203-1168146033 -C 1800 -M 900 /tmp/evaluation/201203-1168146033/VALCSP /tmp/evaluation/201203-1168146033/unknown.xml 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 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

/proc/loadavg: 2.46 2.15 2.01 5/87 12884
/proc/meminfo: memFree=1589432/2055920 swapFree=4165612/4192956
[pid=12883] ppid=12881 vsize=3184 CPUtime=0
/proc/12883/stat : 12883 (VALCSP) R 12881 12883 12319 0 -1 4194304 508 0 0 0 0 0 0 0 21 0 1 0 162999050 3260416 486 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134534817 0 0 4096 0 0 0 0 17 1 0 0
/proc/12883/statm: 796 486 62 8 0 468 0

[startup+0.107522 s]
/proc/loadavg: 2.46 2.15 2.01 5/87 12884
/proc/meminfo: memFree=1589432/2055920 swapFree=4165612/4192956
[pid=12883] ppid=12881 vsize=38136 CPUtime=0.09
/proc/12883/stat : 12883 (VALCSP) R 12881 12883 12319 0 -1 4194304 9151 0 0 0 6 3 0 0 21 0 1 0 162999050 39051264 9129 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530975 0 0 4096 0 0 0 0 17 1 0 0
/proc/12883/statm: 9534 9129 65 8 0 9206 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 38136

[startup+0.519568 s]
/proc/loadavg: 2.46 2.15 2.01 5/87 12884
/proc/meminfo: memFree=1589432/2055920 swapFree=4165612/4192956
[pid=12883] ppid=12881 vsize=42756 CPUtime=0.5
/proc/12883/stat : 12883 (VALCSP) R 12881 12883 12319 0 -1 4194304 10291 0 0 0 47 3 0 0 25 0 1 0 162999050 43782144 10269 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/12883/statm: 10689 10269 65 8 0 10361 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 42756

[startup+1.34266 s]
/proc/loadavg: 2.46 2.15 2.01 3/87 12884
/proc/meminfo: memFree=1542008/2055920 swapFree=4165612/4192956
[pid=12883] ppid=12881 vsize=51600 CPUtime=1.31
/proc/12883/stat : 12883 (VALCSP) R 12881 12883 12319 0 -1 4194304 12494 0 0 0 127 4 0 0 25 0 1 0 162999050 52838400 12472 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530886 0 0 4096 0 0 0 0 17 1 0 0
/proc/12883/statm: 12900 12472 65 8 0 12572 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 51600

[startup+2.97986 s]
/proc/loadavg: 2.46 2.15 2.01 3/87 12884
/proc/meminfo: memFree=1529656/2055920 swapFree=4165612/4192956
[pid=12883] ppid=12881 vsize=68892 CPUtime=2.94
/proc/12883/stat : 12883 (VALCSP) R 12881 12883 12319 0 -1 4194304 16814 0 0 0 288 6 0 0 25 0 1 0 162999050 70545408 16792 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 1 0 0
/proc/12883/statm: 17223 16792 65 8 0 16895 0
Current children cumulated CPU time (s) 2.94
Current children cumulated vsize (KiB) 68892

[startup+6.25924 s]
/proc/loadavg: 2.42 2.15 2.01 3/87 12884
/proc/meminfo: memFree=1494264/2055920 swapFree=4165612/4192956
[pid=12883] ppid=12881 vsize=102816 CPUtime=6.19
/proc/12883/stat : 12883 (VALCSP) R 12881 12883 12319 0 -1 4194304 25323 0 0 0 610 9 0 0 25 0 1 0 162999050 105283584 25301 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530193 0 0 4096 0 0 0 0 17 1 0 0
/proc/12883/statm: 25704 25301 65 8 0 25376 0
Current children cumulated CPU time (s) 6.19
Current children cumulated vsize (KiB) 102816

[startup+12.723 s]
/proc/loadavg: 2.39 2.15 2.01 3/87 12884
/proc/meminfo: memFree=1421496/2055920 swapFree=4165612/4192956
[pid=12883] ppid=12881 vsize=172776 CPUtime=12.59
/proc/12883/stat : 12883 (VALCSP) R 12881 12883 12319 0 -1 4194304 42795 0 0 0 1242 17 0 0 25 0 1 0 162999050 176922624 42773 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530193 0 0 4096 0 0 0 0 17 1 0 0
/proc/12883/statm: 43194 42773 65 8 0 42866 0
Current children cumulated CPU time (s) 12.59
Current children cumulated vsize (KiB) 172776

[startup+25.5355 s]
/proc/loadavg: 2.30 2.14 2.01 3/87 12884
/proc/meminfo: memFree=1292344/2055920 swapFree=4165612/4192956
[pid=12883] ppid=12881 vsize=306492 CPUtime=25.29
/proc/12883/stat : 12883 (VALCSP) R 12881 12883 12319 0 -1 4194304 76240 0 0 0 2500 29 0 0 25 0 1 0 162999050 313847808 76218 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/12883/statm: 76623 76218 65 8 0 76295 0
Current children cumulated CPU time (s) 25.29
Current children cumulated vsize (KiB) 306492

[startup+51.1885 s]
/proc/loadavg: 2.20 2.13 2.00 3/93 12986
/proc/meminfo: memFree=1022640/2055920 swapFree=4165612/4192956
[pid=12883] ppid=12881 vsize=571020 CPUtime=50.63
/proc/12883/stat : 12883 (VALCSP) R 12881 12883 12319 0 -1 4194304 142378 0 0 0 5009 54 0 0 25 0 1 0 162999050 584724480 142356 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530198 0 0 4096 0 0 0 0 17 1 0 0
/proc/12883/statm: 142755 142356 65 8 0 142427 0
Current children cumulated CPU time (s) 50.63
Current children cumulated vsize (KiB) 571020



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+84.6324 s]
/proc/loadavg: 2.11 2.11 2.00 3/94 13033
/proc/meminfo: memFree=666032/2055920 swapFree=4165612/4192956
[pid=12883] ppid=12881 vsize=921880 CPUtime=83.72
/proc/12883/stat : 12883 (VALCSP) R 12881 12883 12319 0 -1 4194304 230098 0 0 0 8284 88 0 0 25 0 1 0 162999050 944005120 230076 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530274 0 0 4096 0 0 0 0 17 1 0 0
/proc/12883/statm: 230470 230076 65 8 0 230142 0
Current children cumulated CPU time (s) 83.72
Current children cumulated vsize (KiB) 921880

Sending SIGTERM to process tree (bottom up)
Sleeping 2 seconds

Child ended because it received signal 15 (SIGTERM)
Real time (s): 84.7883
CPU time (s): 83.8683
CPU user time (s): 82.8424
CPU system time (s): 1.02584
CPU usage (%): 98.9149
Max. virtual memory (cumulated for all children) (KiB): 921880

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 82.8424
system time used= 1.02584
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 230098
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= 6
involuntary context switches= 2190

runsolver used 0.107983 s user time and 0.272958 s system time

The end



Launcher Data (download as text)




Begin job on node1 on Sun Jan  7 05:00:33 UTC 2007


IDJOB= 201203
IDBENCH= 3749
FILE ID= node1/201203-1168146033

PBS_JOBID= 3477872

Free space on /tmp= 66299 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp11-15/fapp12/fapp12-1500-3.xml
COMMAND LINE= /tmp/evaluation/201203-1168146033/VALCSP /tmp/evaluation/201203-1168146033/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node1/watcher-201203-1168146033 -o ROOT/results/node1/solver-201203-1168146033 -C 1800 -M 900  /tmp/evaluation/201203-1168146033/VALCSP /tmp/evaluation/201203-1168146033/unknown.xml

META MD5SUM SOLVER= 6fc756be3a7e45a17a81a19ce431bc48
MD5SUM BENCH=  931b9eff036dfe9624d2ebd0c55327ca

RANDOM SEED= 823012731

TIME LIMIT= 1800 seconds

MEMORY LIMIT= 900 MiB


/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		: 3000.234
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		: 3000.234
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:       1589848 kB
Buffers:         50056 kB
Cached:         198400 kB
SwapCached:       4096 kB
Active:         272764 kB
Inactive:       126020 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1589848 kB
SwapTotal:     4192956 kB
SwapFree:      4165612 kB
Dirty:            3540 kB
Writeback:           0 kB
Mapped:         161108 kB
Slab:            51624 kB
Committed_AS:  4764144 kB
PageTables:       2704 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= 66299 MiB



End job on node1 on Sun Jan  7 05:01:58 UTC 2007