Trace number 269505

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 3.1? (MO) 110.108 110.137

General information on the benchmark

Nametaillard/
os-taillard-10/os-taillard-10-95-7.xml
MD5SUM1ac4899202187205cc402a22c67930db
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 benchmark23.26
SatisfiableNO
(Un)Satisfiability was proved
Number of variables100
Number of constraints900
Maximum constraint arity2
Maximum domain size565
Number of constraints which are defined in extension0
Number of constraints which are defined in intension900
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/node60/watcher-269505-1168980840 -o ROOT/results/node60/solver-269505-1168980840 -C 1800 -M 900 /tmp/evaluation/269505-1168980840/VALCSP /tmp/evaluation/269505-1168980840/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: 0.89 0.91 0.82 4/65 22139
/proc/meminfo: memFree=1377152/2055920 swapFree=4192812/4192956
[pid=22138] ppid=22136 vsize=2920 CPUtime=0
/proc/22138/stat : 22138 (VALCSP) R 22136 22138 21732 0 -1 4194304 467 0 0 0 0 0 0 0 18 0 1 0 246482199 2990080 445 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 5969531 0 0 4096 0 0 0 0 17 1 0 0
/proc/22138/statm: 730 453 65 8 0 402 0

[startup+0.102658 s]
/proc/loadavg: 0.89 0.91 0.82 4/65 22139
/proc/meminfo: memFree=1377152/2055920 swapFree=4192812/4192956
[pid=22138] ppid=22136 vsize=3844 CPUtime=0.09
/proc/22138/stat : 22138 (VALCSP) R 22136 22138 21732 0 -1 4194304 709 0 0 0 9 0 0 0 18 0 1 0 246482199 3936256 687 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/22138/statm: 961 687 64 8 0 633 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3844

[startup+0.512696 s]
/proc/loadavg: 0.89 0.91 0.82 4/65 22139
/proc/meminfo: memFree=1377152/2055920 swapFree=4192812/4192956
[pid=22138] ppid=22136 vsize=7012 CPUtime=0.5
/proc/22138/stat : 22138 (VALCSP) R 22136 22138 21732 0 -1 4194304 1501 0 0 0 50 0 0 0 21 0 1 0 246482199 7180288 1479 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528685 0 0 4096 0 0 0 0 17 1 0 0
/proc/22138/statm: 1753 1479 64 8 0 1425 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 7012

[startup+1.33178 s]
/proc/loadavg: 0.89 0.91 0.82 2/65 22139
/proc/meminfo: memFree=1366080/2055920 swapFree=4192812/4192956
[pid=22138] ppid=22136 vsize=14404 CPUtime=1.32
/proc/22138/stat : 22138 (VALCSP) R 22136 22138 21732 0 -1 4194304 3330 0 0 0 131 1 0 0 25 0 1 0 246482199 14749696 3308 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/22138/statm: 3601 3308 64 8 0 3273 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 14404

[startup+2.96794 s]
/proc/loadavg: 0.89 0.91 0.82 2/65 22139
/proc/meminfo: memFree=1356864/2055920 swapFree=4192812/4192956
[pid=22138] ppid=22136 vsize=27736 CPUtime=2.96
/proc/22138/stat : 22138 (VALCSP) R 22136 22138 21732 0 -1 4194304 6688 0 0 0 294 2 0 0 25 0 1 0 246482199 28401664 6666 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/22138/statm: 6934 6666 64 8 0 6606 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 27736

[startup+6.24426 s]
/proc/loadavg: 0.89 0.91 0.82 2/65 22139
/proc/meminfo: memFree=1328320/2055920 swapFree=4192812/4192956
[pid=22138] ppid=22136 vsize=55588 CPUtime=6.23
/proc/22138/stat : 22138 (VALCSP) R 22136 22138 21732 0 -1 4194304 13640 0 0 0 619 4 0 0 25 0 1 0 246482199 56922112 13618 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529359 0 0 4096 0 0 0 0 17 1 0 0
/proc/22138/statm: 13897 13618 64 8 0 13569 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 55588

[startup+12.6989 s]
/proc/loadavg: 0.90 0.91 0.82 2/65 22139
/proc/meminfo: memFree=1268288/2055920 swapFree=4192812/4192956
[pid=22138] ppid=22136 vsize=113272 CPUtime=12.68
/proc/22138/stat : 22138 (VALCSP) R 22136 22138 21732 0 -1 4194304 28053 0 0 0 1258 10 0 0 25 0 1 0 246482199 115990528 28031 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/22138/statm: 28318 28031 64 8 0 27990 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 113272

[startup+25.4992 s]
/proc/loadavg: 0.92 0.92 0.82 2/65 22139
/proc/meminfo: memFree=1163008/2055920 swapFree=4192812/4192956
[pid=22138] ppid=22136 vsize=219400 CPUtime=25.49
/proc/22138/stat : 22138 (VALCSP) R 22136 22138 21732 0 -1 4194304 54582 0 0 0 2528 21 0 0 25 0 1 0 246482199 224665600 54560 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/22138/statm: 54850 54560 64 8 0 54522 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 219400

[startup+51.1027 s]
/proc/loadavg: 0.95 0.92 0.82 2/65 22139
/proc/meminfo: memFree=951232/2055920 swapFree=4192812/4192956
[pid=22138] ppid=22136 vsize=429544 CPUtime=51.07
/proc/22138/stat : 22138 (VALCSP) R 22136 22138 21732 0 -1 4194304 107142 0 0 0 5065 42 0 0 25 0 1 0 246482199 439853056 107120 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/22138/statm: 107386 107120 64 8 0 107058 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 429544

[startup+102.308 s]
/proc/loadavg: 0.98 0.93 0.83 2/65 22139
/proc/meminfo: memFree=530048/2055920 swapFree=4192812/4192956
[pid=22138] ppid=22136 vsize=853924 CPUtime=102.27
/proc/22138/stat : 22138 (VALCSP) R 22136 22138 21732 0 -1 4194304 213246 0 0 0 10143 84 0 0 25 0 1 0 246482199 874418176 213224 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/22138/statm: 213481 213224 64 8 0 213153 0
Current children cumulated CPU time (s) 102.27
Current children cumulated vsize (KiB) 853924



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+109.991 s]
/proc/loadavg: 0.98 0.93 0.83 2/65 22139
/proc/meminfo: memFree=454400/2055920 swapFree=4192812/4192956
[pid=22138] ppid=22136 vsize=922168 CPUtime=109.95
/proc/22138/stat : 22138 (VALCSP) R 22136 22138 21732 0 -1 4194304 230295 0 0 0 10904 91 0 0 25 0 1 0 246482199 944300032 230273 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529413 0 0 4096 0 0 0 0 17 1 0 0
/proc/22138/statm: 230542 230273 64 8 0 230214 0
Current children cumulated CPU time (s) 109.95
Current children cumulated vsize (KiB) 922168

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 110.137
CPU time (s): 110.108
CPU user time (s): 109.049
CPU system time (s): 1.05884
CPU usage (%): 99.9741
Max. virtual memory (cumulated for all children) (KiB): 922168

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 109.049
system time used= 1.05884
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 230295
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= 172

runsolver used 0.080987 s user time and 0.223965 s system time

The end



Launcher Data (download as text)




Begin job on node60 on Tue Jan 16 20:54:02 UTC 2007


IDJOB= 269505
IDBENCH= 6760
IDSOLVER= 90
FILE ID= node60/269505-1168980840

PBS_JOBID= 3566305

Free space on /tmp= 66565 MiB

SOLVER NAME= VALCSP 3.1
BENCH NAME= HOME/pub/bench/CPAI06/taillard/os-taillard-10/os-taillard-10-95-7.xml
COMMAND LINE= /tmp/evaluation/269505-1168980840/VALCSP /tmp/evaluation/269505-1168980840/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node60/watcher-269505-1168980840 -o ROOT/results/node60/solver-269505-1168980840 -C 1800 -M 900  /tmp/evaluation/269505-1168980840/VALCSP /tmp/evaluation/269505-1168980840/unknown.xml

META MD5SUM SOLVER= d4fc2c4e0b0392ee9c79e754aa39e238
MD5SUM BENCH=  1ac4899202187205cc402a22c67930db

RANDOM SEED= 936051474

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		: 3000.236
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		: 3000.236
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:       1377632 kB
Buffers:         44980 kB
Cached:         541316 kB
SwapCached:          0 kB
Active:         151804 kB
Inactive:       449752 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1377632 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:             276 kB
Writeback:           0 kB
Mapped:          25440 kB
Slab:            62800 kB
Committed_AS:  5165368 kB
PageTables:       1464 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= 66565 MiB



End job on node60 on Tue Jan 16 20:55:54 UTC 2007