Trace number 204494

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) 84.2062 84.6467

General information on the benchmark

Namefapp/fapp16-20/fapp20/
fapp20-0420-8.xml
MD5SUM2ebbfe69d800e693fb4b14a9aca51052
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 benchmark1.90071
SatisfiableNO
(Un)Satisfiability was provedNO
Number of variables420
Number of constraints4737
Maximum constraint arity2
Maximum domain size302
Number of constraints which are defined in extension0
Number of constraints which are defined in intension4737
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/node41/watcher-204494-1168165976 -o ROOT/results/node41/solver-204494-1168165976 -C 1800 -M 900 /tmp/evaluation/204494-1168165976/VALCSP /tmp/evaluation/204494-1168165976/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: 0.81 0.95 1.12 5/74 1564
/proc/meminfo: memFree=1641432/2055920 swapFree=4191892/4192956
[pid=1563] ppid=1561 vsize=1468 CPUtime=0
/proc/1563/stat : 1563 (VALCSP) R 1561 1563 1500 0 -1 4194304 102 0 0 0 0 0 0 0 20 0 1 0 164997155 1503232 80 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 2405729 0 0 4096 0 0 0 0 17 1 0 0
/proc/1563/statm: 367 80 62 8 0 39 0

[startup+0.105199 s]
/proc/loadavg: 0.81 0.95 1.12 5/74 1564
/proc/meminfo: memFree=1641432/2055920 swapFree=4191892/4192956
[pid=1563] ppid=1561 vsize=6700 CPUtime=0.09
/proc/1563/stat : 1563 (VALCSP) R 1561 1563 1500 0 -1 4194304 1390 0 0 0 9 0 0 0 20 0 1 0 164997155 6860800 1368 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/1563/statm: 1675 1368 64 8 0 1347 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6700

[startup+0.513234 s]
/proc/loadavg: 0.81 0.95 1.12 5/74 1564
/proc/meminfo: memFree=1641432/2055920 swapFree=4191892/4192956
[pid=1563] ppid=1561 vsize=10660 CPUtime=0.5
/proc/1563/stat : 1563 (VALCSP) R 1561 1563 1500 0 -1 4194304 2387 0 0 0 49 1 0 0 24 0 1 0 164997155 10915840 2365 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134531019 0 0 4096 0 0 0 0 17 1 0 0
/proc/1563/statm: 2665 2365 64 8 0 2337 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 10660

[startup+1.33431 s]
/proc/loadavg: 0.81 0.95 1.12 3/74 1564
/proc/meminfo: memFree=1624600/2055920 swapFree=4191892/4192956
[pid=1563] ppid=1561 vsize=20824 CPUtime=1.31
/proc/1563/stat : 1563 (VALCSP) R 1561 1563 1500 0 -1 4194304 4913 0 0 0 130 1 0 0 25 0 1 0 164997155 21323776 4891 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530192 0 0 4096 0 0 0 0 17 1 0 0
/proc/1563/statm: 5206 4891 64 8 0 4878 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 20824

[startup+2.97145 s]
/proc/loadavg: 0.81 0.95 1.12 3/74 1564
/proc/meminfo: memFree=1611928/2055920 swapFree=4191892/4192956
[pid=1563] ppid=1561 vsize=39304 CPUtime=2.94
/proc/1563/stat : 1563 (VALCSP) R 1561 1563 1500 0 -1 4194304 9541 0 0 0 290 4 0 0 25 0 1 0 164997155 40247296 9519 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530236 0 0 4096 0 0 0 0 17 1 0 0
/proc/1563/statm: 9826 9519 64 8 0 9498 0
Current children cumulated CPU time (s) 2.94
Current children cumulated vsize (KiB) 39304

[startup+6.25073 s]
/proc/loadavg: 0.90 0.97 1.12 3/74 1564
/proc/meminfo: memFree=1574296/2055920 swapFree=4191892/4192956
[pid=1563] ppid=1561 vsize=74812 CPUtime=6.19
/proc/1563/stat : 1563 (VALCSP) R 1561 1563 1500 0 -1 4194304 18435 0 0 0 613 6 0 0 25 0 1 0 164997155 76607488 18413 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/1563/statm: 18703 18413 64 8 0 18375 0
Current children cumulated CPU time (s) 6.19
Current children cumulated vsize (KiB) 74812

[startup+12.7143 s]
/proc/loadavg: 0.99 0.99 1.13 3/74 1564
/proc/meminfo: memFree=1497560/2055920 swapFree=4191892/4192956
[pid=1563] ppid=1561 vsize=148468 CPUtime=12.61
/proc/1563/stat : 1563 (VALCSP) R 1561 1563 1500 0 -1 4194304 36829 0 0 0 1248 13 0 0 25 0 1 0 164997155 152031232 36807 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530192 0 0 4096 0 0 0 0 17 1 0 0
/proc/1563/statm: 37117 36807 64 8 0 36789 0
Current children cumulated CPU time (s) 12.61
Current children cumulated vsize (KiB) 148468

[startup+25.5344 s]
/proc/loadavg: 1.21 1.03 1.14 3/74 1564
/proc/meminfo: memFree=1360088/2055920 swapFree=4191892/4192956
[pid=1563] ppid=1561 vsize=290104 CPUtime=25.32
/proc/1563/stat : 1563 (VALCSP) R 1561 1563 1500 0 -1 4194304 72272 0 0 0 2505 27 0 0 25 0 1 0 164997155 297066496 72250 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530948 0 0 4096 0 0 0 0 17 1 0 0
/proc/1563/statm: 72526 72250 64 8 0 72198 0
Current children cumulated CPU time (s) 25.32
Current children cumulated vsize (KiB) 290104

[startup+51.1727 s]
/proc/loadavg: 1.48 1.11 1.16 3/74 1564
/proc/meminfo: memFree=1081944/2055920 swapFree=4191892/4192956
[pid=1563] ppid=1561 vsize=563880 CPUtime=50.85
/proc/1563/stat : 1563 (VALCSP) R 1561 1563 1500 0 -1 4194304 140721 0 0 0 5028 57 0 0 25 0 1 0 164997155 577413120 140699 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530957 0 0 4096 0 0 0 0 17 1 0 0
/proc/1563/statm: 140970 140699 64 8 0 140642 0
Current children cumulated CPU time (s) 50.85
Current children cumulated vsize (KiB) 563880



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+84.4926 s]
/proc/loadavg: 1.71 1.21 1.19 3/74 1564
/proc/meminfo: memFree=718424/2055920 swapFree=4191892/4192956
[pid=1563] ppid=1561 vsize=922424 CPUtime=84.05
/proc/1563/stat : 1563 (VALCSP) R 1561 1563 1500 0 -1 4194304 230363 0 0 0 8316 89 0 0 25 0 1 0 164997155 944562176 230341 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/1563/statm: 230606 230341 64 8 0 230278 0
Current children cumulated CPU time (s) 84.05
Current children cumulated vsize (KiB) 922424

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 84.6467
CPU time (s): 84.2062
CPU user time (s): 83.1644
CPU system time (s): 1.04184
CPU usage (%): 99.4796
Max. virtual memory (cumulated for all children) (KiB): 922424

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 83.1644
system time used= 1.04184
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 230363
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= 1213

runsolver used 0.075988 s user time and 0.238963 s system time

The end



Launcher Data (download as text)




Begin job on node41 on Sun Jan  7 10:32:57 UTC 2007


IDJOB= 204494
IDBENCH= 4025
FILE ID= node41/204494-1168165976

PBS_JOBID= 3478662

Free space on /tmp= 66551 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp16-20/fapp20/fapp20-0420-8.xml
COMMAND LINE= /tmp/evaluation/204494-1168165976/VALCSP /tmp/evaluation/204494-1168165976/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node41/watcher-204494-1168165976 -o ROOT/results/node41/solver-204494-1168165976 -C 1800 -M 900  /tmp/evaluation/204494-1168165976/VALCSP /tmp/evaluation/204494-1168165976/unknown.xml

META MD5SUM SOLVER= 6fc756be3a7e45a17a81a19ce431bc48
MD5SUM BENCH=  2ebbfe69d800e693fb4b14a9aca51052

RANDOM SEED= 488578280

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:       1641840 kB
Buffers:         30924 kB
Cached:         279576 kB
SwapCached:        396 kB
Active:         121048 kB
Inactive:       225756 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1641840 kB
SwapTotal:     4192956 kB
SwapFree:      4191892 kB
Dirty:            3204 kB
Writeback:           0 kB
Mapped:          46384 kB
Slab:            52704 kB
Committed_AS:  3005648 kB
PageTables:       1876 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= 66551 MiB



End job on node41 on Sun Jan  7 10:34:24 UTC 2007