Trace number 200376

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) 675.536 678.332

General information on the benchmark

NamequeensKnights/
queensKnights-80-5-add.xml
MD5SUM7a51bbe4282e558cd323d92b7034649e
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 benchmark135.891
SatisfiableNO
(Un)Satisfiability was provedNO
Number of variables85
Number of constraints3170
Maximum constraint arity2
Maximum domain size6400
Number of constraints which are defined in extension0
Number of constraints which are defined in intension3170
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-200376-1168142306 -o ROOT/results/node1/solver-200376-1168142306 -C 1800 -M 900 /tmp/evaluation/200376-1168142306/VALCSP /tmp/evaluation/200376-1168142306/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: 1.92 1.98 2.04 3/89 9430
/proc/meminfo: memFree=1731232/2055920 swapFree=4165612/4192956
[pid=9429] ppid=9427 vsize=140 CPUtime=0
/proc/9429/stat : 9429 (VALCSP) R 9427 9429 9374 0 -1 4194304 38 0 0 0 0 0 0 0 20 0 1 0 162626319 143360 23 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 5829412 0 0 4096 0 0 0 0 17 1 0 0
/proc/9429/statm: 35 23 18 8 0 2 0

[startup+0.102815 s]
/proc/loadavg: 1.92 1.98 2.04 3/89 9430
/proc/meminfo: memFree=1731232/2055920 swapFree=4165612/4192956
[pid=9429] ppid=9427 vsize=4336 CPUtime=0.09
/proc/9429/stat : 9429 (VALCSP) R 9427 9429 9374 0 -1 4194304 804 0 0 0 9 0 0 0 20 0 1 0 162626319 4440064 782 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530283 0 0 4096 0 0 0 0 17 1 0 0
/proc/9429/statm: 1084 782 64 8 0 756 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4336

[startup+0.510861 s]
/proc/loadavg: 1.92 1.98 2.04 3/89 9430
/proc/meminfo: memFree=1731232/2055920 swapFree=4165612/4192956
[pid=9429] ppid=9427 vsize=12520 CPUtime=0.49
/proc/9429/stat : 9429 (VALCSP) R 9427 9429 9374 0 -1 4194304 2860 0 0 0 48 1 0 0 24 0 1 0 162626319 12820480 2838 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/9429/statm: 3130 2838 64 8 0 2802 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 12520

[startup+1.33196 s]
/proc/loadavg: 1.92 1.98 2.04 3/89 9430
/proc/meminfo: memFree=1707552/2055920 swapFree=4165612/4192956
[pid=9429] ppid=9427 vsize=29020 CPUtime=1.3
/proc/9429/stat : 9429 (VALCSP) R 9427 9429 9374 0 -1 4194304 7006 0 0 0 128 2 0 0 25 0 1 0 162626319 29716480 6984 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 1 0 0
/proc/9429/statm: 7255 6984 64 8 0 6927 0
Current children cumulated CPU time (s) 1.3
Current children cumulated vsize (KiB) 29020

[startup+2.96915 s]
/proc/loadavg: 1.93 1.98 2.04 3/89 9430
/proc/meminfo: memFree=1684768/2055920 swapFree=4165612/4192956
[pid=9429] ppid=9427 vsize=62056 CPUtime=2.93
/proc/9429/stat : 9429 (VALCSP) R 9427 9429 9374 0 -1 4194304 15254 0 0 0 287 6 0 0 25 0 1 0 162626319 63545344 15232 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 1 0 0
/proc/9429/statm: 15514 15232 64 8 0 15186 0
Current children cumulated CPU time (s) 2.93
Current children cumulated vsize (KiB) 62056

[startup+6.25253 s]
/proc/loadavg: 1.93 1.98 2.04 3/89 9430
/proc/meminfo: memFree=1485280/2055920 swapFree=4165612/4192956
[pid=9429] ppid=9427 vsize=246844 CPUtime=6.18
/proc/9429/stat : 9429 (VALCSP) R 9427 9429 9374 0 -1 4194304 61444 0 0 0 593 25 0 0 25 0 1 0 162626319 252768256 61422 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530192 0 0 4096 0 0 0 0 17 1 0 0
/proc/9429/statm: 61711 61422 64 8 0 61383 0
Current children cumulated CPU time (s) 6.18
Current children cumulated vsize (KiB) 246844

[startup+12.7073 s]
/proc/loadavg: 1.94 1.98 2.04 3/89 9430
/proc/meminfo: memFree=1485480/2055920 swapFree=4165612/4192956
[pid=9429] ppid=9427 vsize=246844 CPUtime=12.59
/proc/9429/stat : 9429 (VALCSP) R 9427 9429 9374 0 -1 4194304 61444 0 0 0 1234 25 0 0 25 0 1 0 162626319 252768256 61422 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530234 0 0 4096 0 0 0 0 17 1 0 0
/proc/9429/statm: 61711 61422 64 8 0 61383 0
Current children cumulated CPU time (s) 12.59
Current children cumulated vsize (KiB) 246844

[startup+25.5198 s]
/proc/loadavg: 1.95 1.98 2.04 3/89 9430
/proc/meminfo: memFree=1485544/2055920 swapFree=4165612/4192956
[pid=9429] ppid=9427 vsize=246844 CPUtime=25.31
/proc/9429/stat : 9429 (VALCSP) R 9427 9429 9374 0 -1 4194304 61444 0 0 0 2506 25 0 0 25 0 1 0 162626319 252768256 61422 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530475 0 0 4096 0 0 0 0 17 1 0 0
/proc/9429/statm: 61711 61422 64 8 0 61383 0
Current children cumulated CPU time (s) 25.31
Current children cumulated vsize (KiB) 246844

[startup+51.1628 s]
/proc/loadavg: 1.96 1.98 2.04 3/89 9430
/proc/meminfo: memFree=1325224/2055920 swapFree=4165612/4192956
[pid=9429] ppid=9427 vsize=406932 CPUtime=50.76
/proc/9429/stat : 9429 (VALCSP) R 9427 9429 9374 0 -1 4194304 101466 0 0 0 5035 41 0 0 25 0 1 0 162626319 416698368 101444 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/9429/statm: 101733 101444 64 8 0 101405 0
Current children cumulated CPU time (s) 50.76
Current children cumulated vsize (KiB) 406932

[startup+102.41 s]
/proc/loadavg: 1.98 1.98 2.03 3/89 9430
/proc/meminfo: memFree=1325224/2055920 swapFree=4165612/4192956
[pid=9429] ppid=9427 vsize=406932 CPUtime=101.62
/proc/9429/stat : 9429 (VALCSP) R 9427 9429 9374 0 -1 4194304 101466 0 0 0 10121 41 0 0 25 0 1 0 162626319 416698368 101444 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/9429/statm: 101733 101444 64 8 0 101405 0
Current children cumulated CPU time (s) 101.62
Current children cumulated vsize (KiB) 406932

[startup+162.43 s]
/proc/loadavg: 2.02 2.00 2.03 3/95 9496
/proc/meminfo: memFree=1323872/2055920 swapFree=4165612/4192956
[pid=9429] ppid=9427 vsize=406932 CPUtime=161.13
/proc/9429/stat : 9429 (VALCSP) R 9427 9429 9374 0 -1 4194304 101466 0 0 0 16071 42 0 0 25 0 1 0 162626319 416698368 101444 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 1 0 0
/proc/9429/statm: 101733 101444 64 8 0 101405 0
Current children cumulated CPU time (s) 161.13
Current children cumulated vsize (KiB) 406932

[startup+222.455 s]
/proc/loadavg: 2.01 2.00 2.03 3/95 9588
/proc/meminfo: memFree=1323816/2055920 swapFree=4165612/4192956
[pid=9429] ppid=9427 vsize=406932 CPUtime=220.52
/proc/9429/stat : 9429 (VALCSP) R 9427 9429 9374 0 -1 4194304 101466 0 0 0 22010 42 0 0 25 0 1 0 162626319 416698368 101444 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/9429/statm: 101733 101444 64 8 0 101405 0
Current children cumulated CPU time (s) 220.52
Current children cumulated vsize (KiB) 406932

[startup+282.542 s]
/proc/loadavg: 1.93 1.98 2.02 3/86 9858
/proc/meminfo: memFree=1184184/2055920 swapFree=4165612/4192956
[pid=9429] ppid=9427 vsize=566880 CPUtime=280.13
/proc/9429/stat : 9429 (VALCSP) R 9427 9429 9374 0 -1 4194304 141485 0 0 0 27951 62 0 0 25 0 1 0 162626319 580485120 141463 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 0 0 0
/proc/9429/statm: 141720 141463 64 8 0 141392 0
Current children cumulated CPU time (s) 280.13
Current children cumulated vsize (KiB) 566880

[startup+342.605 s]
/proc/loadavg: 1.97 1.98 2.01 3/86 9858
/proc/meminfo: memFree=1184440/2055920 swapFree=4165612/4192956
[pid=9429] ppid=9427 vsize=566880 CPUtime=340.13
/proc/9429/stat : 9429 (VALCSP) R 9427 9429 9374 0 -1 4194304 141485 0 0 0 33951 62 0 0 25 0 1 0 162626319 580485120 141463 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 0 0 0
/proc/9429/statm: 141720 141463 64 8 0 141392 0
Current children cumulated CPU time (s) 340.13
Current children cumulated vsize (KiB) 566880

[startup+402.668 s]
/proc/loadavg: 1.99 1.98 2.00 3/86 9858
/proc/meminfo: memFree=1184440/2055920 swapFree=4165612/4192956
[pid=9429] ppid=9427 vsize=566880 CPUtime=400.15
/proc/9429/stat : 9429 (VALCSP) R 9427 9429 9374 0 -1 4194304 141485 0 0 0 39953 62 0 0 25 0 1 0 162626319 580485120 141463 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530957 0 0 4096 0 0 0 0 17 0 0 0
/proc/9429/statm: 141720 141463 64 8 0 141392 0
Current children cumulated CPU time (s) 400.15
Current children cumulated vsize (KiB) 566880

[startup+462.735 s]
/proc/loadavg: 1.99 1.98 2.00 3/86 9858
/proc/meminfo: memFree=1024120/2055920 swapFree=4165612/4192956
[pid=9429] ppid=9427 vsize=726968 CPUtime=460.13
/proc/9429/stat : 9429 (VALCSP) R 9427 9429 9374 0 -1 4194304 181506 0 0 0 45935 78 0 0 25 0 1 0 162626319 744415232 181484 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530223 0 0 4096 0 0 0 0 17 0 0 0
/proc/9429/statm: 181742 181484 64 8 0 181414 0
Current children cumulated CPU time (s) 460.13
Current children cumulated vsize (KiB) 726968

[startup+522.797 s]
/proc/loadavg: 1.99 1.98 2.00 3/86 9858
/proc/meminfo: memFree=863672/2055920 swapFree=4165612/4192956
[pid=9429] ppid=9427 vsize=887068 CPUtime=520.14
/proc/9429/stat : 9429 (VALCSP) R 9427 9429 9374 0 -1 4194304 221525 0 0 0 51919 95 0 0 25 0 1 0 162626319 908357632 221503 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 0 0 0
/proc/9429/statm: 221767 221503 64 8 0 221439 0
Current children cumulated CPU time (s) 520.14
Current children cumulated vsize (KiB) 887068

[startup+582.861 s]
/proc/loadavg: 1.99 1.98 2.00 3/86 9858
/proc/meminfo: memFree=863552/2055920 swapFree=4165612/4192956
[pid=9429] ppid=9427 vsize=887068 CPUtime=580.15
/proc/9429/stat : 9429 (VALCSP) R 9427 9429 9374 0 -1 4194304 221525 0 0 0 57920 95 0 0 25 0 1 0 162626319 908357632 221503 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 0 0 0
/proc/9429/statm: 221767 221503 64 8 0 221439 0
Current children cumulated CPU time (s) 580.15
Current children cumulated vsize (KiB) 887068

[startup+642.928 s]
/proc/loadavg: 1.99 1.98 2.00 3/86 9858
/proc/meminfo: memFree=863552/2055920 swapFree=4165612/4192956
[pid=9429] ppid=9427 vsize=887068 CPUtime=640.13
/proc/9429/stat : 9429 (VALCSP) R 9427 9429 9374 0 -1 4194304 221525 0 0 0 63918 95 0 0 25 0 1 0 162626319 908357632 221503 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 0 0 0
/proc/9429/statm: 221767 221503 64 8 0 221439 0
Current children cumulated CPU time (s) 640.13
Current children cumulated vsize (KiB) 887068



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+678.183 s]
/proc/loadavg: 1.99 1.98 2.00 3/86 9858
/proc/meminfo: memFree=799104/2055920 swapFree=4165612/4192956
[pid=9429] ppid=9427 vsize=954876 CPUtime=675.38
/proc/9429/stat : 9429 (VALCSP) R 9427 9429 9374 0 -1 4194304 238451 0 0 0 67436 102 0 0 25 0 1 0 162626319 977793024 238429 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134540012 0 0 4096 0 0 0 0 17 0 0 0
/proc/9429/statm: 238719 238438 64 8 0 238391 0
Current children cumulated CPU time (s) 675.38
Current children cumulated vsize (KiB) 954876

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 678.332
CPU time (s): 675.536
CPU user time (s): 674.369
CPU system time (s): 1.16782
CPU usage (%): 99.5878
Max. virtual memory (cumulated for all children) (KiB): 954876

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 674.368
system time used= 1.16782
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 238534
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= 16138

runsolver used 0.676897 s user time and 1.83772 s system time

The end



Launcher Data (download as text)




Begin job on node1 on Sun Jan  7 03:58:26 UTC 2007


IDJOB= 200376
IDBENCH= 3704
FILE ID= node1/200376-1168142306

PBS_JOBID= 3477842

Free space on /tmp= 66309 MiB

BENCH NAME= HOME/pub/bench/CPAI06/queensKnights/queensKnights-80-5-add.xml
COMMAND LINE= /tmp/evaluation/200376-1168142306/VALCSP /tmp/evaluation/200376-1168142306/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node1/watcher-200376-1168142306 -o ROOT/results/node1/solver-200376-1168142306 -C 1800 -M 900  /tmp/evaluation/200376-1168142306/VALCSP /tmp/evaluation/200376-1168142306/unknown.xml

META MD5SUM SOLVER= 6fc756be3a7e45a17a81a19ce431bc48
MD5SUM BENCH=  7a51bbe4282e558cd323d92b7034649e

RANDOM SEED= 863505055

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:       1731712 kB
Buffers:         45044 kB
Cached:         145612 kB
SwapCached:       4096 kB
Active:         163552 kB
Inactive:        93796 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1731712 kB
SwapTotal:     4192956 kB
SwapFree:      4165612 kB
Dirty:             696 kB
Writeback:           0 kB
Mapped:          77384 kB
Slab:            51460 kB
Committed_AS:  4591796 kB
PageTables:       2368 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= 66307 MiB



End job on node1 on Sun Jan  7 04:09:44 UTC 2007