Trace number 235226

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) 103.927 104.986

General information on the benchmark

Nametaillard/
os-taillard-10/os-taillard-10-95-4.xml
MD5SUMefc47bf91b64c1785ac74e5ecd05d9ec
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 benchmark19.3191
SatisfiableNO
(Un)Satisfiability was proved
Number of variables100
Number of constraints900
Maximum constraint arity2
Maximum domain size608
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/node3/watcher-235226-1168336368 -o ROOT/results/node3/solver-235226-1168336368 -C 1800 -M 900 /tmp/evaluation/235226-1168336368/VALCSP /tmp/evaluation/235226-1168336368/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: 3.21 2.76 2.39 5/94 32068
/proc/meminfo: memFree=1199840/2055920 swapFree=4192812/4192956
[pid=32067] ppid=32065 vsize=18540 CPUtime=0
/proc/32067/stat : 32067 (runsolver) R 32065 32067 31720 0 -1 4194368 16 0 0 0 0 0 0 0 18 0 1 0 182032419 18984960 279 18446744073709551615 4194304 4267372 548682069072 18446744073709551615 233632754983 0 0 4096 24578 0 0 0 17 1 0 0
/proc/32067/statm: 4635 279 244 17 0 2626 0

[startup+0.102652 s]
/proc/loadavg: 3.21 2.76 2.39 5/94 32068
/proc/meminfo: memFree=1199840/2055920 swapFree=4192812/4192956
[pid=32067] ppid=32065 vsize=4108 CPUtime=0.09
/proc/32067/stat : 32067 (VALCSP) R 32065 32067 31720 0 -1 4194304 781 0 0 0 9 0 0 0 18 0 1 0 182032419 4206592 759 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530238 0 0 4096 0 0 0 0 17 0 0 0
/proc/32067/statm: 1027 759 64 8 0 699 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4108

[startup+0.510718 s]
/proc/loadavg: 3.21 2.76 2.39 5/94 32068
/proc/meminfo: memFree=1199840/2055920 swapFree=4192812/4192956
[pid=32067] ppid=32065 vsize=7804 CPUtime=0.49
/proc/32067/stat : 32067 (VALCSP) R 32065 32067 31720 0 -1 4194304 1711 0 0 0 49 0 0 0 21 0 1 0 182032419 7991296 1689 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 0 0 0
/proc/32067/statm: 1951 1689 64 8 0 1623 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 7804

[startup+1.33585 s]
/proc/loadavg: 3.21 2.76 2.39 3/94 32068
/proc/meminfo: memFree=1183712/2055920 swapFree=4192812/4192956
[pid=32067] ppid=32065 vsize=14272 CPUtime=1.29
/proc/32067/stat : 32067 (VALCSP) R 32065 32067 31720 0 -1 4194304 3322 0 0 0 128 1 0 0 25 0 1 0 182032419 14614528 3300 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530848 0 0 4096 0 0 0 0 17 0 0 0
/proc/32067/statm: 3568 3300 64 8 0 3240 0
Current children cumulated CPU time (s) 1.29
Current children cumulated vsize (KiB) 14272

[startup+2.97412 s]
/proc/loadavg: 3.21 2.76 2.39 4/94 32068
/proc/meminfo: memFree=1169568/2055920 swapFree=4192812/4192956
[pid=32067] ppid=32065 vsize=29584 CPUtime=2.91
/proc/32067/stat : 32067 (VALCSP) R 32065 32067 31720 0 -1 4194304 7128 0 0 0 288 3 0 0 25 0 1 0 182032419 30294016 7106 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530223 0 0 4096 0 0 0 0 17 0 0 0
/proc/32067/statm: 7396 7106 64 8 0 7068 0
Current children cumulated CPU time (s) 2.91
Current children cumulated vsize (KiB) 29584

[startup+6.25465 s]
/proc/loadavg: 3.19 2.77 2.39 4/94 32068
/proc/meminfo: memFree=1129952/2055920 swapFree=4192812/4192956
[pid=32067] ppid=32065 vsize=58492 CPUtime=6.16
/proc/32067/stat : 32067 (VALCSP) R 32065 32067 31720 0 -1 4194304 14375 0 0 0 610 6 0 0 25 0 1 0 182032419 59895808 14353 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530198 0 0 4096 0 0 0 0 17 0 0 0
/proc/32067/statm: 14623 14353 64 8 0 14295 0
Current children cumulated CPU time (s) 6.16
Current children cumulated vsize (KiB) 58492

[startup+12.7147 s]
/proc/loadavg: 3.16 2.78 2.40 4/94 32068
/proc/meminfo: memFree=1051040/2055920 swapFree=4192812/4192956
[pid=32067] ppid=32065 vsize=113008 CPUtime=12.56
/proc/32067/stat : 32067 (VALCSP) R 32065 32067 31720 0 -1 4194304 28000 0 0 0 1242 14 0 0 25 0 1 0 182032419 115720192 27978 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 0 0 0
/proc/32067/statm: 28252 27978 64 8 0 27924 0
Current children cumulated CPU time (s) 12.56
Current children cumulated vsize (KiB) 113008

[startup+25.5378 s]
/proc/loadavg: 3.14 2.78 2.40 3/94 32068
/proc/meminfo: memFree=894752/2055920 swapFree=4192812/4192956
[pid=32067] ppid=32065 vsize=229300 CPUtime=25.27
/proc/32067/stat : 32067 (VALCSP) R 32065 32067 31720 0 -1 4194304 57059 0 0 0 2497 30 0 0 25 0 1 0 182032419 234803200 57037 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530259 0 0 4096 0 0 0 0 17 0 0 0
/proc/32067/statm: 57325 57037 64 8 0 56997 0
Current children cumulated CPU time (s) 25.27
Current children cumulated vsize (KiB) 229300

[startup+51.1939 s]
/proc/loadavg: 3.09 2.80 2.42 4/94 32068
/proc/meminfo: memFree=587104/2055920 swapFree=4192812/4192956
[pid=32067] ppid=32065 vsize=453436 CPUtime=50.67
/proc/32067/stat : 32067 (VALCSP) R 32065 32067 31720 0 -1 4194304 113119 0 0 0 5007 60 0 0 25 0 1 0 182032419 464318464 113097 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 0 0 0
/proc/32067/statm: 113359 113097 64 8 0 113031 0
Current children cumulated CPU time (s) 50.67
Current children cumulated vsize (KiB) 453436

[startup+102.476 s]
/proc/loadavg: 3.04 2.83 2.45 4/94 32068
/proc/meminfo: memFree=34144/2055920 swapFree=4192812/4192956
[pid=32067] ppid=32065 vsize=901312 CPUtime=101.46
/proc/32067/stat : 32067 (VALCSP) R 32065 32067 31720 0 -1 4194304 225082 0 0 0 10027 119 0 0 25 0 1 0 182032419 922943488 225060 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 0 0 0
/proc/32067/statm: 225328 225060 64 8 0 225000 0
Current children cumulated CPU time (s) 101.46
Current children cumulated vsize (KiB) 901312



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+104.837 s]
/proc/loadavg: 3.03 2.83 2.45 4/94 32068
/proc/meminfo: memFree=16224/2055920 swapFree=4192812/4192956
[pid=32067] ppid=32065 vsize=921904 CPUtime=103.78
/proc/32067/stat : 32067 (VALCSP) R 32065 32067 31720 0 -1 4194304 230233 0 0 0 10256 122 0 0 25 0 1 0 182032419 944029696 230211 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 0 0 0
/proc/32067/statm: 230476 230211 64 8 0 230148 0
Current children cumulated CPU time (s) 103.78
Current children cumulated vsize (KiB) 921904

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 104.986
CPU time (s): 103.927
CPU user time (s): 102.561
CPU system time (s): 1.36579
CPU usage (%): 98.9918
Max. virtual memory (cumulated for all children) (KiB): 921904

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 102.561
system time used= 1.36579
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 230233
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= 4737

runsolver used 0.135979 s user time and 0.297954 s system time

The end



Launcher Data (download as text)




Begin job on node3 on Tue Jan  9 09:52:48 UTC 2007


IDJOB= 235226
IDBENCH= 6751
FILE ID= node3/235226-1168336368

PBS_JOBID= 3503117

Free space on /tmp= 66558 MiB

BENCH NAME= HOME/pub/bench/CPAI06/taillard/os-taillard-10/os-taillard-10-95-4.xml
COMMAND LINE= /tmp/evaluation/235226-1168336368/VALCSP /tmp/evaluation/235226-1168336368/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node3/watcher-235226-1168336368 -o ROOT/results/node3/solver-235226-1168336368 -C 1800 -M 900  /tmp/evaluation/235226-1168336368/VALCSP /tmp/evaluation/235226-1168336368/unknown.xml

META MD5SUM SOLVER= 6fc756be3a7e45a17a81a19ce431bc48
MD5SUM BENCH=  efc47bf91b64c1785ac74e5ecd05d9ec

RANDOM SEED= 342265657

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		: 3000.279
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		: 3000.279
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:       1200256 kB
Buffers:         76332 kB
Cached:         309976 kB
SwapCached:          0 kB
Active:         625584 kB
Inactive:       164380 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1200256 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:             200 kB
Writeback:           0 kB
Mapped:         431572 kB
Slab:            49892 kB
Committed_AS:  5976240 kB
PageTables:       2840 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= 66558 MiB



End job on node3 on Tue Jan  9 09:54:33 UTC 2007