Trace number 201058

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
buggy_2_5 2007-01-08SAT 20.2259 20.2193

General information on the benchmark

Namefapp/fapp11-15/fapp15/
fapp15-3000-6.xml
MD5SUM7d741b27b4b5681d00dbaf2b3dd555a0
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark20.2259
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables3000
Number of constraints33021
Maximum constraint arity2
Maximum domain size182
Number of constraints which are defined in extension0
Number of constraints which are defined in intension33021
Global constraints used (with number of constraints)

Solver Data (download as text)

c 
c 
c 
c solution file
c 
c 

SAT
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Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.1.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node15/watcher-201058-1168288870 -o ROOT/results/node15/solver-201058-1168288870 -C 1800 -M 900 /tmp/evaluation/201058-1168288870/solver /tmp/evaluation/201058-1168288870/unknown 1800 

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: 0.93 0.98 1.07 4/78 24219
/proc/meminfo: memFree=1713784/2055920 swapFree=4174172/4192956
[pid=24218] ppid=24216 vsize=5352 CPUtime=0
/proc/24218/stat : 24218 (solver) R 24216 24218 17945 0 -1 4194304 313 190 0 0 0 0 0 0 19 0 1 0 177282066 5480448 241 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 240472615583 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/24218/statm: 1338 241 202 169 0 49 0

[startup+0.103061 s]
/proc/loadavg: 0.93 0.98 1.07 4/78 24219
/proc/meminfo: memFree=1713784/2055920 swapFree=4174172/4192956
[pid=24218] ppid=24216 vsize=5352 CPUtime=0
/proc/24218/stat : 24218 (solver) S 24216 24218 17945 0 -1 4194304 354 334 0 0 0 0 0 0 16 0 1 0 177282066 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 240472613700 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/24218/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+0.511135 s]
/proc/loadavg: 0.93 0.98 1.07 4/78 24219
/proc/meminfo: memFree=1713784/2055920 swapFree=4174172/4192956
[pid=24218] ppid=24216 vsize=5352 CPUtime=0.47
/proc/24218/stat : 24218 (solver) S 24216 24218 17945 0 -1 4194304 376 2752 0 0 0 0 42 5 16 0 1 0 177282066 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 240472613700 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/24218/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0.47
Current children cumulated vsize (KiB) 5352

[startup+1.33627 s]
/proc/loadavg: 0.93 0.98 1.07 2/79 24231
/proc/meminfo: memFree=1673704/2055920 swapFree=4174172/4192956
[pid=24218] ppid=24216 vsize=5352 CPUtime=0.47
/proc/24218/stat : 24218 (solver) S 24216 24218 17945 0 -1 4194304 376 2752 0 0 0 0 42 5 16 0 1 0 177282066 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 240472613700 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/24218/statm: 1338 242 203 169 0 49 0
[pid=24231] ppid=24218 vsize=41648 CPUtime=0.85
/proc/24231/stat : 24231 (bordewijk) R 24218 24218 17945 0 -1 4194304 9905 0 0 0 78 7 0 0 25 0 1 0 177282112 42647552 9877 18446744073709551615 134512640 134912576 4294956768 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/24231/statm: 10412 9877 204 97 0 9693 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 47000

[startup+2.97555 s]
/proc/loadavg: 0.93 0.98 1.07 2/79 24231
/proc/meminfo: memFree=1620712/2055920 swapFree=4174172/4192956
[pid=24218] ppid=24216 vsize=5352 CPUtime=0.47
/proc/24218/stat : 24218 (solver) S 24216 24218 17945 0 -1 4194304 376 2752 0 0 0 0 42 5 16 0 1 0 177282066 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 240472613700 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/24218/statm: 1338 242 203 169 0 49 0
[pid=24231] ppid=24218 vsize=100476 CPUtime=2.5
/proc/24231/stat : 24231 (bordewijk) R 24218 24218 17945 0 -1 4194304 24601 0 0 0 233 17 0 0 25 0 1 0 177282112 102887424 24571 18446744073709551615 134512640 134912576 4294956768 18446744073709551615 7947899 0 0 4096 0 0 0 0 17 1 0 0
/proc/24231/statm: 25119 24572 204 97 0 24400 0
Current children cumulated CPU time (s) 2.97
Current children cumulated vsize (KiB) 105828

[startup+6.26011 s]
/proc/loadavg: 1.01 1.00 1.08 2/79 24231
/proc/meminfo: memFree=1508600/2055920 swapFree=4174172/4192956
[pid=24218] ppid=24216 vsize=5352 CPUtime=0.47
/proc/24218/stat : 24218 (solver) S 24216 24218 17945 0 -1 4194304 376 2752 0 0 0 0 42 5 16 0 1 0 177282066 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 240472613700 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/24218/statm: 1338 242 203 169 0 49 0
[pid=24231] ppid=24218 vsize=171016 CPUtime=5.78
/proc/24231/stat : 24231 (bordewijk) R 24218 24218 17945 0 -1 4194304 48714 0 0 0 403 175 0 0 25 0 1 0 177282112 175120384 41483 18446744073709551615 134512640 134912576 4294956768 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/24231/statm: 42754 41483 217 97 0 42035 0
Current children cumulated CPU time (s) 6.25
Current children cumulated vsize (KiB) 176368

[startup+12.7212 s]
/proc/loadavg: 1.09 1.02 1.08 2/79 24232
/proc/meminfo: memFree=1622616/2055920 swapFree=4174172/4192956
[pid=24218] ppid=24216 vsize=5352 CPUtime=9.71
/proc/24218/stat : 24218 (solver) S 24216 24218 17945 0 -1 4194304 396 51467 0 0 0 0 466 505 16 0 1 0 177282066 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 240472613700 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/24218/statm: 1338 242 203 169 0 49 0
[pid=24232] ppid=24218 vsize=68944 CPUtime=3
/proc/24232/stat : 24232 (standalone) R 24218 24218 17945 0 -1 4194304 16671 0 0 0 183 117 0 0 25 0 1 0 177283037 70598656 15952 18446744073709551615 134512640 134775488 4294956896 18446744073709551615 134527014 0 0 4096 0 0 0 0 17 1 0 0
/proc/24232/statm: 17236 15952 137 64 0 16551 0
Current children cumulated CPU time (s) 12.71
Current children cumulated vsize (KiB) 74296

Child status: 0
Real time (s): 20.2193
CPU time (s): 20.2259
CPU user time (s): 13.9569
CPU system time (s): 6.26905
CPU usage (%): 100.033
Max. virtual memory (cumulated for all children) (KiB): 176368

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 13.9569
system time used= 6.26905
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 69154
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= 698
involuntary context switches= 77

runsolver used 0.018997 s user time and 0.057991 s system time

The end

Launcher Data (download as text)

Begin job on node15 on Mon Jan  8 20:41:11 UTC 2007


IDJOB= 201058
IDBENCH= 3741
FILE ID= node15/201058-1168288870

PBS_JOBID= 3501717

Free space on /tmp= 66320 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp11-15/fapp15/fapp15-3000-6.xml
COMMAND LINE= /tmp/evaluation/201058-1168288870/solver /tmp/evaluation/201058-1168288870/unknown 1800
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node15/watcher-201058-1168288870 -o ROOT/results/node15/solver-201058-1168288870 -C 1800 -M 900  /tmp/evaluation/201058-1168288870/solver /tmp/evaluation/201058-1168288870/unknown 1800

META MD5SUM SOLVER= 6c84d9851726bfff2e2bc2bb5530c705
MD5SUM BENCH=  7d741b27b4b5681d00dbaf2b3dd555a0

RANDOM SEED= 454743673

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		: 3000.276
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		: 3000.276
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:       1714264 kB
Buffers:         23584 kB
Cached:         235408 kB
SwapCached:       5800 kB
Active:         202132 kB
Inactive:        87364 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1714264 kB
SwapTotal:     4192956 kB
SwapFree:      4174172 kB
Dirty:           15692 kB
Writeback:           0 kB
Mapped:          40440 kB
Slab:            37408 kB
Committed_AS:  5348728 kB
PageTables:       2000 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= 66293 MiB



End job on node15 on Mon Jan  8 20:41:32 UTC 2007