Trace number 206030

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_s 2007-01-08SAT 18.7481 18.7849

General information on the benchmark

Namefapp/fapp36-40/fapp36/
fapp36-2000-8.xml
MD5SUM7f44d72a5fa7a0f4922e4f4ea44d0317
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 benchmark15.0357
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables2000
Number of constraints18600
Maximum constraint arity2
Maximum domain size454
Number of constraints which are defined in extension0
Number of constraints which are defined in intension18600
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/node16/watcher-206030-1168293770 -o ROOT/results/node16/solver-206030-1168293770 -C 1800 -M 900 /tmp/evaluation/206030-1168293770/solver2 /tmp/evaluation/206030-1168293770/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: 1.86 1.45 1.59 3/87 21468
/proc/meminfo: memFree=1323000/2055920 swapFree=4191880/4192956
[pid=21467] ppid=21465 vsize=5352 CPUtime=0
/proc/21467/stat : 21467 (solver2) R 21465 21467 17134 0 -1 4194304 194 0 0 0 0 0 0 0 20 0 1 0 177771983 5480448 161 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 231962251152 0 0 4096 0 0 0 0 17 1 0 0
/proc/21467/statm: 1338 161 133 169 0 49 0

[startup+0.103813 s]
/proc/loadavg: 1.86 1.45 1.59 3/87 21468
/proc/meminfo: memFree=1323000/2055920 swapFree=4191880/4192956
[pid=21467] ppid=21465 vsize=5352 CPUtime=0
/proc/21467/stat : 21467 (solver2) S 21465 21467 17134 0 -1 4194304 353 334 0 0 0 0 0 0 22 0 1 0 177771983 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/21467/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+0.511736 s]
/proc/loadavg: 1.86 1.45 1.59 3/87 21468
/proc/meminfo: memFree=1323000/2055920 swapFree=4191880/4192956
[pid=21467] ppid=21465 vsize=5352 CPUtime=0.38
/proc/21467/stat : 21467 (solver2) S 21465 21467 17134 0 -1 4194304 376 2542 0 0 0 0 35 3 15 0 1 0 177771983 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/21467/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0.38
Current children cumulated vsize (KiB) 5352

[startup+1.33259 s]
/proc/loadavg: 1.86 1.45 1.59 3/84 21489
/proc/meminfo: memFree=1354448/2055920 swapFree=4191880/4192956
[pid=21467] ppid=21465 vsize=5352 CPUtime=0.38
/proc/21467/stat : 21467 (solver2) S 21465 21467 17134 0 -1 4194304 376 2542 0 0 0 0 35 3 15 0 1 0 177771983 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/21467/statm: 1338 242 203 169 0 49 0
[pid=21489] ppid=21467 vsize=44956 CPUtime=0.92
/proc/21489/stat : 21489 (bordewijk) R 21467 21467 17134 0 -1 4194304 10730 0 0 0 83 9 0 0 25 0 1 0 177772023 46034944 10702 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 7640699 0 0 4096 0 0 0 0 17 0 0 0
/proc/21489/statm: 11239 10702 204 97 0 10520 0
Current children cumulated CPU time (s) 1.3
Current children cumulated vsize (KiB) 50308

[startup+2.97228 s]
/proc/loadavg: 1.87 1.45 1.59 3/84 21489
/proc/meminfo: memFree=1314704/2055920 swapFree=4191880/4192956
[pid=21467] ppid=21465 vsize=5352 CPUtime=0.38
/proc/21467/stat : 21467 (solver2) S 21465 21467 17134 0 -1 4194304 376 2542 0 0 0 0 35 3 15 0 1 0 177771983 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/21467/statm: 1338 242 203 169 0 49 0
[pid=21489] ppid=21467 vsize=134584 CPUtime=2.56
/proc/21489/stat : 21489 (bordewijk) R 21467 21467 17134 0 -1 4194304 35949 0 0 0 203 53 0 0 25 0 1 0 177772023 137814016 32230 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 0 0 0
/proc/21489/statm: 33646 32230 217 97 0 32927 0
Current children cumulated CPU time (s) 2.94
Current children cumulated vsize (KiB) 139936

[startup+6.25868 s]
/proc/loadavg: 1.87 1.45 1.59 2/82 21494
/proc/meminfo: memFree=1275752/2055920 swapFree=4191880/4192956
[pid=21467] ppid=21465 vsize=5352 CPUtime=0.38
/proc/21467/stat : 21467 (solver2) S 21465 21467 17134 0 -1 4194304 376 2542 0 0 0 0 35 3 15 0 1 0 177771983 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/21467/statm: 1338 242 203 169 0 49 0
[pid=21489] ppid=21467 vsize=134584 CPUtime=5.83
/proc/21489/stat : 21489 (bordewijk) R 21467 21467 17134 0 -1 4194304 35949 0 0 0 219 364 0 0 25 0 1 0 177772023 137814016 32230 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 0 0 0
/proc/21489/statm: 33646 32230 217 97 0 32927 0
Current children cumulated CPU time (s) 6.21
Current children cumulated vsize (KiB) 139936

[startup+12.7335 s]
/proc/loadavg: 1.82 1.45 1.59 3/88 22178
/proc/meminfo: memFree=1241080/2055920 swapFree=4191880/4192956
[pid=21467] ppid=21465 vsize=5352 CPUtime=8.39
/proc/21467/stat : 21467 (solver2) S 21465 21467 17134 0 -1 4194304 397 38492 0 0 0 0 265 574 16 0 1 0 177771983 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/21467/statm: 1338 242 203 169 0 49 0
[pid=21545] ppid=21467 vsize=76868 CPUtime=4.29
/proc/21545/stat : 21545 (standalone) R 21467 21467 17134 0 -1 4194304 18459 0 0 0 289 140 0 0 25 0 1 0 177772827 78712832 18023 18446744073709551615 134512640 134775488 4294956880 18446744073709551615 4088578339 0 0 4096 0 0 0 0 17 0 0 0
/proc/21545/statm: 19217 18023 137 64 0 18532 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 82220

Child status: 0
Real time (s): 18.7849
CPU time (s): 18.7481
CPU user time (s): 11.5682
CPU system time (s): 7.17991
CPU usage (%): 99.8042
Max. virtual memory (cumulated for all children) (KiB): 139936

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 11.5682
system time used= 7.17991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 57934
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= 421
involuntary context switches= 441

runsolver used 0.016997 s user time and 0.066989 s system time

The end

Launcher Data (download as text)

Begin job on node16 on Mon Jan  8 22:02:51 UTC 2007


IDJOB= 206030
IDBENCH= 4182
FILE ID= node16/206030-1168293770

PBS_JOBID= 3501836

Free space on /tmp= 66479 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp36-40/fapp36/fapp36-2000-8.xml
COMMAND LINE= /tmp/evaluation/206030-1168293770/solver2 /tmp/evaluation/206030-1168293770/unknown 1800
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node16/watcher-206030-1168293770 -o ROOT/results/node16/solver-206030-1168293770 -C 1800 -M 900  /tmp/evaluation/206030-1168293770/solver2 /tmp/evaluation/206030-1168293770/unknown 1800

META MD5SUM SOLVER= 2182e29fee250f6e45b9a85a6429fa3a
MD5SUM BENCH=  7f44d72a5fa7a0f4922e4f4ea44d0317

RANDOM SEED= 511248468

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		: 3000.220
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		: 3000.220
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:       1323480 kB
Buffers:         90644 kB
Cached:         459504 kB
SwapCached:        448 kB
Active:         451156 kB
Inactive:       221808 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1323480 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:           45948 kB
Writeback:           0 kB
Mapped:         142252 kB
Slab:            44128 kB
Committed_AS:  5057940 kB
PageTables:       2496 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= 66460 MiB



End job on node16 on Mon Jan  8 22:03:11 UTC 2007