Trace number 200431

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? (exit code) 703.82 709.323

General information on the benchmark

NamequeensKnights/
queensKnights-80-5-mul.xml
MD5SUM28f748351f8d6a329f3688f42fc26be8
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 benchmark738.167
SatisfiableNO
(Un)Satisfiability was provedNO
Number of variables85
Number of constraints3570
Maximum constraint arity2
Maximum domain size6400
Number of constraints which are defined in extension0
Number of constraints which are defined in intension3570
Global constraints used (with number of constraints)

Solver Data (download as text)

709.18	Out of memory

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/node18/watcher-200431-1168142534 -o ROOT/results/node18/solver-200431-1168142534 -C 1800 -M 900 /tmp/evaluation/200431-1168142534/VALCSP /tmp/evaluation/200431-1168142534/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: 2.04 2.00 2.01 3/94 16331
/proc/meminfo: memFree=1439408/2055920 swapFree=4192812/4192956
[pid=16330] ppid=16328 vsize=2356 CPUtime=0
/proc/16330/stat : 16330 (VALCSP) R 16328 16330 1420 0 -1 4194304 331 0 0 0 0 0 0 0 21 0 1 0 162648139 2412544 309 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530919 0 0 4096 0 0 0 0 17 1 0 0
/proc/16330/statm: 589 309 64 8 0 261 0

[startup+0.106525 s]
/proc/loadavg: 2.04 2.00 2.01 3/94 16331
/proc/meminfo: memFree=1439408/2055920 swapFree=4192812/4192956
[pid=16330] ppid=16328 vsize=4336 CPUtime=0.09
/proc/16330/stat : 16330 (VALCSP) R 16328 16330 1420 0 -1 4194304 812 0 0 0 9 0 0 0 21 0 1 0 162648139 4440064 790 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530207 0 0 4096 0 0 0 0 17 1 0 0
/proc/16330/statm: 1084 790 64 8 0 756 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4336

[startup+0.514604 s]
/proc/loadavg: 2.04 2.00 2.01 3/94 16331
/proc/meminfo: memFree=1439408/2055920 swapFree=4192812/4192956
[pid=16330] ppid=16328 vsize=12520 CPUtime=0.49
/proc/16330/stat : 16330 (VALCSP) R 16328 16330 1420 0 -1 4194304 2867 0 0 0 48 1 0 0 25 0 1 0 162648139 12820480 2845 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530216 0 0 4096 0 0 0 0 17 1 0 0
/proc/16330/statm: 3130 2845 64 8 0 2802 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 12520

[startup+1.33664 s]
/proc/loadavg: 2.03 2.00 2.01 3/94 16331
/proc/meminfo: memFree=1416752/2055920 swapFree=4192812/4192956
[pid=16330] ppid=16328 vsize=29020 CPUtime=1.31
/proc/16330/stat : 16330 (VALCSP) R 16328 16330 1420 0 -1 4194304 6993 0 0 0 127 4 0 0 25 0 1 0 162648139 29716480 6971 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530278 0 0 4096 0 0 0 0 17 1 0 0
/proc/16330/statm: 7255 6971 64 8 0 6927 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 29020

[startup+2.9848 s]
/proc/loadavg: 2.03 2.00 2.01 3/94 16331
/proc/meminfo: memFree=1393968/2055920 swapFree=4192812/4192956
[pid=16330] ppid=16328 vsize=62044 CPUtime=2.94
/proc/16330/stat : 16330 (VALCSP) R 16328 16330 1420 0 -1 4194304 15241 0 0 0 286 8 0 0 25 0 1 0 162648139 63533056 15219 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530957 0 0 4096 0 0 0 0 17 1 0 0
/proc/16330/statm: 15511 15219 64 8 0 15183 0
Current children cumulated CPU time (s) 2.94
Current children cumulated vsize (KiB) 62044

[startup+6.26412 s]
/proc/loadavg: 2.03 2.00 2.01 3/94 16335
/proc/meminfo: memFree=1194288/2055920 swapFree=4192812/4192956
[pid=16330] ppid=16328 vsize=246828 CPUtime=6.19
/proc/16330/stat : 16330 (VALCSP) R 16328 16330 1420 0 -1 4194304 61446 0 0 0 589 30 0 0 25 0 1 0 162648139 252751872 61424 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530475 0 0 4096 0 0 0 0 17 1 0 0
/proc/16330/statm: 61707 61424 64 8 0 61379 0
Current children cumulated CPU time (s) 6.19
Current children cumulated vsize (KiB) 246828

[startup+12.7287 s]
/proc/loadavg: 2.03 2.00 2.01 3/94 16339
/proc/meminfo: memFree=1194288/2055920 swapFree=4192812/4192956
[pid=16330] ppid=16328 vsize=246828 CPUtime=12.59
/proc/16330/stat : 16330 (VALCSP) R 16328 16330 1420 0 -1 4194304 61446 0 0 0 1229 30 0 0 25 0 1 0 162648139 252751872 61424 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530255 0 0 4096 0 0 0 0 17 1 0 0
/proc/16330/statm: 61707 61424 64 8 0 61379 0
Current children cumulated CPU time (s) 12.59
Current children cumulated vsize (KiB) 246828

[startup+25.543 s]
/proc/loadavg: 2.02 2.00 2.01 3/88 16363
/proc/meminfo: memFree=1195552/2055920 swapFree=4192812/4192956
[pid=16330] ppid=16328 vsize=246828 CPUtime=25.26
/proc/16330/stat : 16330 (VALCSP) R 16328 16330 1420 0 -1 4194304 61446 0 0 0 2496 30 0 0 25 0 1 0 162648139 252751872 61424 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530475 0 0 4096 0 0 0 0 17 1 0 0
/proc/16330/statm: 61707 61424 64 8 0 61379 0
Current children cumulated CPU time (s) 25.26
Current children cumulated vsize (KiB) 246828

[startup+51.1774 s]
/proc/loadavg: 2.01 2.00 2.00 3/88 16363
/proc/meminfo: memFree=1035360/2055920 swapFree=4192812/4192956
[pid=16330] ppid=16328 vsize=406916 CPUtime=50.69
/proc/16330/stat : 16330 (VALCSP) R 16328 16330 1420 0 -1 4194304 101467 0 0 0 5021 48 0 0 25 0 1 0 162648139 416681984 101445 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/16330/statm: 101729 101445 64 8 0 101401 0
Current children cumulated CPU time (s) 50.69
Current children cumulated vsize (KiB) 406916

[startup+102.461 s]
/proc/loadavg: 2.00 2.00 2.00 3/88 16363
/proc/meminfo: memFree=1035296/2055920 swapFree=4192812/4192956
[pid=16330] ppid=16328 vsize=406916 CPUtime=101.55
/proc/16330/stat : 16330 (VALCSP) R 16328 16330 1420 0 -1 4194304 101467 0 0 0 10106 49 0 0 25 0 1 0 162648139 416681984 101445 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/16330/statm: 101729 101445 64 8 0 101401 0
Current children cumulated CPU time (s) 101.55
Current children cumulated vsize (KiB) 406916

[startup+162.542 s]
/proc/loadavg: 2.03 2.01 2.00 3/88 16363
/proc/meminfo: memFree=1035296/2055920 swapFree=4192812/4192956
[pid=16330] ppid=16328 vsize=406916 CPUtime=161.14
/proc/16330/stat : 16330 (VALCSP) R 16328 16330 1420 0 -1 4194304 101467 0 0 0 16065 49 0 0 25 0 1 0 162648139 416681984 101445 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 1 0 0
/proc/16330/statm: 101729 101445 64 8 0 101401 0
Current children cumulated CPU time (s) 161.14
Current children cumulated vsize (KiB) 406916

[startup+222.619 s]
/proc/loadavg: 2.05 2.02 2.00 3/88 16363
/proc/meminfo: memFree=1035232/2055920 swapFree=4192812/4192956
[pid=16330] ppid=16328 vsize=406916 CPUtime=220.74
/proc/16330/stat : 16330 (VALCSP) R 16328 16330 1420 0 -1 4194304 101467 0 0 0 22024 50 0 0 25 0 1 0 162648139 416681984 101445 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/16330/statm: 101729 101445 64 8 0 101401 0
Current children cumulated CPU time (s) 220.74
Current children cumulated vsize (KiB) 406916

[startup+282.702 s]
/proc/loadavg: 2.02 2.01 2.00 3/88 16363
/proc/meminfo: memFree=874848/2055920 swapFree=4192812/4192956
[pid=16330] ppid=16328 vsize=567016 CPUtime=280.32
/proc/16330/stat : 16330 (VALCSP) R 16328 16330 1420 0 -1 4194304 141486 0 0 0 27963 69 0 0 25 0 1 0 162648139 580624384 141464 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530948 0 0 4096 0 0 0 0 17 1 0 0
/proc/16330/statm: 141754 141464 64 8 0 141426 0
Current children cumulated CPU time (s) 280.32
Current children cumulated vsize (KiB) 567016

[startup+342.78 s]
/proc/loadavg: 2.00 2.01 2.00 3/88 16363
/proc/meminfo: memFree=874784/2055920 swapFree=4192812/4192956
[pid=16330] ppid=16328 vsize=567016 CPUtime=339.91
/proc/16330/stat : 16330 (VALCSP) R 16328 16330 1420 0 -1 4194304 141486 0 0 0 33921 70 0 0 25 0 1 0 162648139 580624384 141464 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/16330/statm: 141754 141464 64 8 0 141426 0
Current children cumulated CPU time (s) 339.91
Current children cumulated vsize (KiB) 567016

[startup+402.856 s]
/proc/loadavg: 2.00 2.00 2.00 3/88 16363
/proc/meminfo: memFree=874848/2055920 swapFree=4192812/4192956
[pid=16330] ppid=16328 vsize=567016 CPUtime=399.48
/proc/16330/stat : 16330 (VALCSP) R 16328 16330 1420 0 -1 4194304 141486 0 0 0 39878 70 0 0 25 0 1 0 162648139 580624384 141464 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/16330/statm: 141754 141464 64 8 0 141426 0
Current children cumulated CPU time (s) 399.48
Current children cumulated vsize (KiB) 567016

[startup+462.958 s]
/proc/loadavg: 2.00 2.00 2.00 3/88 16363
/proc/meminfo: memFree=874784/2055920 swapFree=4192812/4192956
[pid=16330] ppid=16328 vsize=567016 CPUtime=459.1
/proc/16330/stat : 16330 (VALCSP) R 16328 16330 1420 0 -1 4194304 141486 0 0 0 45839 71 0 0 25 0 1 0 162648139 580624384 141464 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/16330/statm: 141754 141464 64 8 0 141426 0
Current children cumulated CPU time (s) 459.1
Current children cumulated vsize (KiB) 567016

[startup+523.054 s]
/proc/loadavg: 2.00 2.00 2.00 3/88 16363
/proc/meminfo: memFree=554016/2055920 swapFree=4192812/4192956
[pid=16330] ppid=16328 vsize=887052 CPUtime=518.74
/proc/16330/stat : 16330 (VALCSP) R 16328 16330 1420 0 -1 4194304 221527 0 0 0 51765 109 0 0 25 0 1 0 162648139 908341248 221505 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 1 0 0
/proc/16330/statm: 221763 221505 64 8 0 221435 0
Current children cumulated CPU time (s) 518.74
Current children cumulated vsize (KiB) 887052

[startup+583.098 s]
/proc/loadavg: 2.00 2.00 2.00 3/88 16363
/proc/meminfo: memFree=554080/2055920 swapFree=4192812/4192956
[pid=16330] ppid=16328 vsize=887052 CPUtime=578.29
/proc/16330/stat : 16330 (VALCSP) R 16328 16330 1420 0 -1 4194304 221527 0 0 0 57720 109 0 0 25 0 1 0 162648139 908341248 221505 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 1 0 0
/proc/16330/statm: 221763 221505 64 8 0 221435 0
Current children cumulated CPU time (s) 578.29
Current children cumulated vsize (KiB) 887052

[startup+643.149 s]
/proc/loadavg: 2.00 2.00 2.00 3/88 16363
/proc/meminfo: memFree=554016/2055920 swapFree=4192812/4192956
[pid=16330] ppid=16328 vsize=887052 CPUtime=637.86
/proc/16330/stat : 16330 (VALCSP) R 16328 16330 1420 0 -1 4194304 221527 0 0 0 63676 110 0 0 25 0 1 0 162648139 908341248 221505 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/16330/statm: 221763 221505 64 8 0 221435 0
Current children cumulated CPU time (s) 637.86
Current children cumulated vsize (KiB) 887052

[startup+703.152 s]
/proc/loadavg: 1.63 1.90 1.97 2/81 16629
/proc/meminfo: memFree=561432/2055920 swapFree=4192812/4192956
[pid=16330] ppid=16328 vsize=887052 CPUtime=697.64
/proc/16330/stat : 16330 (VALCSP) R 16328 16330 1420 0 -1 4194304 221527 0 0 0 69651 113 0 0 25 0 1 0 162648139 908341248 221505 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 0 0 0
/proc/16330/statm: 221763 221505 64 8 0 221435 0
Current children cumulated CPU time (s) 697.64
Current children cumulated vsize (KiB) 887052

Child status: 1
Real time (s): 709.323
CPU time (s): 703.82
CPU user time (s): 702.461
CPU system time (s): 1.35879
CPU usage (%): 99.2242
Max. virtual memory (cumulated for all children) (KiB): 908496

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 702.461
system time used= 1.35879
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 242951
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= 8
involuntary context switches= 26130

runsolver used 0.809876 s user time and 1.92071 s system time

The end

Launcher Data (download as text)

Begin job on node18 on Sun Jan  7 04:02:14 UTC 2007


IDJOB= 200431
IDBENCH= 3707
FILE ID= node18/200431-1168142534

PBS_JOBID= 3477818

Free space on /tmp= 66290 MiB

BENCH NAME= HOME/pub/bench/CPAI06/queensKnights/queensKnights-80-5-mul.xml
COMMAND LINE= /tmp/evaluation/200431-1168142534/VALCSP /tmp/evaluation/200431-1168142534/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node18/watcher-200431-1168142534 -o ROOT/results/node18/solver-200431-1168142534 -C 1800 -M 900  /tmp/evaluation/200431-1168142534/VALCSP /tmp/evaluation/200431-1168142534/unknown.xml

META MD5SUM SOLVER= 6fc756be3a7e45a17a81a19ce431bc48
MD5SUM BENCH=  28f748351f8d6a329f3688f42fc26be8

RANDOM SEED= 903633439

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		: 3000.231
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		: 3000.231
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:       1440720 kB
Buffers:         44356 kB
Cached:         441416 kB
SwapCached:         20 kB
Active:         281244 kB
Inactive:       272932 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1440720 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:             620 kB
Writeback:           0 kB
Mapped:          89324 kB
Slab:            45572 kB
Committed_AS:  4431832 kB
PageTables:       2332 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= 66291 MiB



End job on node18 on Sun Jan  7 04:14:05 UTC 2007