Trace number 204350

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) 76.4534 76.8571

General information on the benchmark

Namefapp/fapp16-20/fapp20/
fapp20-0420-6.xml
MD5SUM6b4ee462f0e0a9e92664a97af4edb97d
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 benchmark1.88271
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/node17/watcher-204350-1168165616 -o ROOT/results/node17/solver-204350-1168165616 -C 1800 -M 900 /tmp/evaluation/204350-1168165616/VALCSP /tmp/evaluation/204350-1168165616/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: 1.40 1.48 1.72 5/97 15922
/proc/meminfo: memFree=1446856/2055920 swapFree=4192812/4192956
[pid=15921] ppid=15919 vsize=1468 CPUtime=0
/proc/15921/stat : 15921 (VALCSP) R 15919 15921 15463 0 -1 4194304 102 0 0 0 0 0 0 0 20 0 1 0 164956522 1503232 80 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 3298017 0 0 4096 0 0 0 0 17 1 0 0
/proc/15921/statm: 367 80 62 8 0 39 0

[startup+0.104928 s]
/proc/loadavg: 1.40 1.48 1.72 5/97 15922
/proc/meminfo: memFree=1446856/2055920 swapFree=4192812/4192956
[pid=15921] ppid=15919 vsize=6700 CPUtime=0.09
/proc/15921/stat : 15921 (VALCSP) R 15919 15921 15463 0 -1 4194304 1390 0 0 0 9 0 0 0 20 0 1 0 164956522 6860800 1368 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530238 0 0 4096 0 0 0 0 17 1 0 0
/proc/15921/statm: 1675 1368 64 8 0 1347 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6700

[startup+0.512967 s]
/proc/loadavg: 1.40 1.48 1.72 5/97 15922
/proc/meminfo: memFree=1446856/2055920 swapFree=4192812/4192956
[pid=15921] ppid=15919 vsize=11056 CPUtime=0.49
/proc/15921/stat : 15921 (VALCSP) R 15919 15921 15463 0 -1 4194304 2477 0 0 0 49 0 0 0 24 0 1 0 164956522 11321344 2455 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530283 0 0 4096 0 0 0 0 17 1 0 0
/proc/15921/statm: 2764 2455 64 8 0 2436 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 11056

[startup+1.33405 s]
/proc/loadavg: 1.40 1.48 1.72 3/97 15922
/proc/meminfo: memFree=1428808/2055920 swapFree=4192812/4192956
[pid=15921] ppid=15919 vsize=21616 CPUtime=1.31
/proc/15921/stat : 15921 (VALCSP) R 15919 15921 15463 0 -1 4194304 5130 0 0 0 129 2 0 0 25 0 1 0 164956522 22134784 5108 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530192 0 0 4096 0 0 0 0 17 1 0 0
/proc/15921/statm: 5404 5108 64 8 0 5076 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 21616

[startup+2.97122 s]
/proc/loadavg: 1.40 1.48 1.72 3/97 15922
/proc/meminfo: memFree=1415176/2055920 swapFree=4192812/4192956
[pid=15921] ppid=15919 vsize=41416 CPUtime=2.94
/proc/15921/stat : 15921 (VALCSP) R 15919 15921 15463 0 -1 4194304 10066 0 0 0 290 4 0 0 25 0 1 0 164956522 42409984 10044 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530192 0 0 4096 0 0 0 0 17 1 0 0
/proc/15921/statm: 10354 10044 64 8 0 10026 0
Current children cumulated CPU time (s) 2.94
Current children cumulated vsize (KiB) 41416

[startup+6.26057 s]
/proc/loadavg: 1.44 1.49 1.72 3/97 15922
/proc/meminfo: memFree=1374152/2055920 swapFree=4192812/4192956
[pid=15921] ppid=15919 vsize=80884 CPUtime=6.22
/proc/15921/stat : 15921 (VALCSP) R 15919 15921 15463 0 -1 4194304 19948 0 0 0 615 7 0 0 25 0 1 0 164956522 82825216 19926 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 1 0 0
/proc/15921/statm: 20221 19926 64 8 0 19893 0
Current children cumulated CPU time (s) 6.22
Current children cumulated vsize (KiB) 80884

[startup+12.7172 s]
/proc/loadavg: 1.49 1.50 1.73 3/97 15922
/proc/meminfo: memFree=1291280/2055920 swapFree=4192812/4192956
[pid=15921] ppid=15919 vsize=158368 CPUtime=12.64
/proc/15921/stat : 15921 (VALCSP) R 15919 15921 15463 0 -1 4194304 39333 0 0 0 1249 15 0 0 25 0 1 0 164956522 162168832 39311 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/15921/statm: 39592 39311 64 8 0 39264 0
Current children cumulated CPU time (s) 12.64
Current children cumulated vsize (KiB) 158368

[startup+25.5436 s]
/proc/loadavg: 1.60 1.52 1.73 3/97 15922
/proc/meminfo: memFree=1140624/2055920 swapFree=4192812/4192956
[pid=15921] ppid=15919 vsize=311752 CPUtime=25.41
/proc/15921/stat : 15921 (VALCSP) R 15919 15921 15463 0 -1 4194304 77657 0 0 0 2510 31 0 0 25 0 1 0 164956522 319234048 77635 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/15921/statm: 77938 77635 64 8 0 77610 0
Current children cumulated CPU time (s) 25.41
Current children cumulated vsize (KiB) 311752

[startup+51.1893 s]
/proc/loadavg: 1.74 1.56 1.73 3/97 15922
/proc/meminfo: memFree=830800/2055920 swapFree=4192812/4192956
[pid=15921] ppid=15919 vsize=613780 CPUtime=50.94
/proc/15921/stat : 15921 (VALCSP) R 15919 15921 15463 0 -1 4194304 153172 0 0 0 5030 64 0 0 25 0 1 0 164956522 628510720 153150 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530948 0 0 4096 0 0 0 0 17 1 0 0
/proc/15921/statm: 153445 153150 64 8 0 153117 0
Current children cumulated CPU time (s) 50.94
Current children cumulated vsize (KiB) 613780



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+76.7139 s]
/proc/loadavg: 1.83 1.59 1.74 3/97 15922
/proc/meminfo: memFree=513488/2055920 swapFree=4192812/4192956
[pid=15921] ppid=15919 vsize=921632 CPUtime=76.31
/proc/15921/stat : 15921 (VALCSP) R 15919 15921 15463 0 -1 4194304 230151 0 0 0 7536 95 0 0 25 0 1 0 164956522 943751168 230129 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 0 0 0
/proc/15921/statm: 230408 230129 64 8 0 230080 0
Current children cumulated CPU time (s) 76.31
Current children cumulated vsize (KiB) 921632

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 76.8571
CPU time (s): 76.4534
CPU user time (s): 75.3655
CPU system time (s): 1.08783
CPU usage (%): 99.4747
Max. virtual memory (cumulated for all children) (KiB): 921632

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 75.3655
system time used= 1.08783
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 230151
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= 3161

runsolver used 0.099984 s user time and 0.247962 s system time

The end



Launcher Data (download as text)




Begin job on node17 on Sun Jan  7 10:26:57 UTC 2007


IDJOB= 204350
IDBENCH= 4016
FILE ID= node17/204350-1168165616

PBS_JOBID= 3478350

Free space on /tmp= 66326 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp16-20/fapp20/fapp20-0420-6.xml
COMMAND LINE= /tmp/evaluation/204350-1168165616/VALCSP /tmp/evaluation/204350-1168165616/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node17/watcher-204350-1168165616 -o ROOT/results/node17/solver-204350-1168165616 -C 1800 -M 900  /tmp/evaluation/204350-1168165616/VALCSP /tmp/evaluation/204350-1168165616/unknown.xml

META MD5SUM SOLVER= 6fc756be3a7e45a17a81a19ce431bc48
MD5SUM BENCH=  6b4ee462f0e0a9e92664a97af4edb97d

RANDOM SEED= 546731095

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:       1447336 kB
Buffers:         50772 kB
Cached:         111340 kB
SwapCached:          0 kB
Active:         455020 kB
Inactive:        91408 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1447336 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:             872 kB
Writeback:           0 kB
Mapped:         413808 kB
Slab:            46232 kB
Committed_AS:  5082436 kB
PageTables:       2944 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= 66326 MiB



End job on node17 on Sun Jan  7 10:28:14 UTC 2007