Trace number 196398

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 38.5081 38.5831

General information on the benchmark

Namefapp/fapp06-10/fapp09/
fapp09-0800-3.xml
MD5SUM3a39af590e754420eaf79b6f135d4551
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 benchmark7.2259
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables800
Number of constraints8975
Maximum constraint arity2
Maximum domain size350
Number of constraints which are defined in extension0
Number of constraints which are defined in intension8975
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-196398-1168284288 -o ROOT/results/node15/solver-196398-1168284288 -C 1800 -M 900 /tmp/evaluation/196398-1168284288/solver2 /tmp/evaluation/196398-1168284288/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: 1.09 1.08 1.03 5/87 11036
/proc/meminfo: memFree=1649120/2055920 swapFree=4174172/4192956
[pid=11035] ppid=11033 vsize=18540 CPUtime=0
/proc/11035/stat : 11035 (runsolver) R 11033 11035 8296 0 -1 4194368 16 0 0 0 0 0 0 0 20 0 1 0 176823855 18984960 279 18446744073709551615 4194304 4267372 548682069072 18446744073709551615 240472616231 0 0 4096 24578 0 0 0 17 1 0 0
/proc/11035/statm: 4635 279 244 17 0 2626 0

[startup+0.111001 s]
/proc/loadavg: 1.09 1.08 1.03 5/87 11036
/proc/meminfo: memFree=1649120/2055920 swapFree=4174172/4192956
[pid=11035] ppid=11033 vsize=5352 CPUtime=0
/proc/11035/stat : 11035 (solver2) S 11033 11035 8296 0 -1 4194304 353 334 0 0 0 0 0 0 18 0 1 0 176823855 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 240472613700 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/11035/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+0.523077 s]
/proc/loadavg: 1.09 1.08 1.03 5/87 11036
/proc/meminfo: memFree=1649120/2055920 swapFree=4174172/4192956
[pid=11035] ppid=11033 vsize=5352 CPUtime=0.15
/proc/11035/stat : 11035 (solver2) S 11033 11035 8296 0 -1 4194304 376 2376 0 0 0 0 12 3 15 0 1 0 176823855 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 240472613700 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/11035/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0.15
Current children cumulated vsize (KiB) 5352

[startup+1.34621 s]
/proc/loadavg: 1.08 1.08 1.03 2/82 11059
/proc/meminfo: memFree=1614600/2055920 swapFree=4174172/4192956
[pid=11035] ppid=11033 vsize=5352 CPUtime=0.15
/proc/11035/stat : 11035 (solver2) S 11033 11035 8296 0 -1 4194304 376 2376 0 0 0 0 12 3 15 0 1 0 176823855 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 240472613700 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/11035/statm: 1338 242 203 169 0 49 0
[pid=11048] ppid=11035 vsize=47412 CPUtime=1.16
/proc/11048/stat : 11048 (bordewijk) R 11035 11035 8296 0 -1 4194304 13020 0 0 0 94 22 0 0 25 0 1 0 176823872 48549888 11147 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 0 0 0
/proc/11048/statm: 11853 11147 217 97 0 11134 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 52764

[startup+2.98349 s]
/proc/loadavg: 1.08 1.08 1.03 2/82 11062
/proc/meminfo: memFree=1614344/2055920 swapFree=4174172/4192956
[pid=11035] ppid=11033 vsize=5352 CPUtime=2.31
/proc/11035/stat : 11035 (solver2) S 11033 11035 8296 0 -1 4194304 397 15397 0 0 0 0 113 118 16 0 1 0 176823855 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 240472613700 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/11035/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 2.31
Current children cumulated vsize (KiB) 5352

[startup+6.27306 s]
/proc/loadavg: 1.08 1.08 1.03 3/88 11731
/proc/meminfo: memFree=1596432/2055920 swapFree=4174172/4192956
[pid=11035] ppid=11033 vsize=5352 CPUtime=2.31
/proc/11035/stat : 11035 (solver2) S 11033 11035 8296 0 -1 4194304 397 15397 0 0 0 0 113 118 16 0 1 0 176823855 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 240472613700 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/11035/statm: 1338 242 203 169 0 49 0
[pid=11063] ppid=11035 vsize=19252 CPUtime=3.91
/proc/11063/stat : 11063 (standalone) R 11035 11035 8296 0 -1 4194304 4369 0 0 0 361 30 0 0 25 0 1 0 176824089 19714048 4158 18446744073709551615 134512640 134775488 4294956896 18446744073709551615 134544001 0 0 4096 0 0 0 0 17 0 0 0
/proc/11063/statm: 4813 4158 137 64 0 4128 0
Current children cumulated CPU time (s) 6.22
Current children cumulated vsize (KiB) 24604

[startup+12.7382 s]
/proc/loadavg: 1.31 1.13 1.04 2/82 12397
/proc/meminfo: memFree=1632272/2055920 swapFree=4174172/4192956
[pid=11035] ppid=11033 vsize=5352 CPUtime=2.31
/proc/11035/stat : 11035 (solver2) S 11033 11035 8296 0 -1 4194304 397 15397 0 0 0 0 113 118 16 0 1 0 176823855 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 240472613700 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/11035/statm: 1338 242 203 169 0 49 0
[pid=11063] ppid=11035 vsize=19252 CPUtime=10.35
/proc/11063/stat : 11063 (standalone) R 11035 11035 8296 0 -1 4194304 4369 0 0 0 1002 33 0 0 25 0 1 0 176824089 19714048 4158 18446744073709551615 134512640 134775488 4294956896 18446744073709551615 4145009838 0 0 4096 0 0 0 0 17 0 0 0
/proc/11063/statm: 4813 4158 137 64 0 4128 0
Current children cumulated CPU time (s) 12.66
Current children cumulated vsize (KiB) 24604

[startup+25.5574 s]
/proc/loadavg: 1.49 1.17 1.06 3/88 12415
/proc/meminfo: memFree=1608104/2055920 swapFree=4174172/4192956
[pid=11035] ppid=11033 vsize=5352 CPUtime=2.31
/proc/11035/stat : 11035 (solver2) S 11033 11035 8296 0 -1 4194304 397 15397 0 0 0 0 113 118 16 0 1 0 176823855 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 240472613700 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/11035/statm: 1338 242 203 169 0 49 0
[pid=11063] ppid=11035 vsize=19252 CPUtime=23.15
/proc/11063/stat : 11063 (standalone) R 11035 11035 8296 0 -1 4194304 4370 0 0 0 2282 33 0 0 25 0 1 0 176824089 19714048 4159 18446744073709551615 134512640 134775488 4294956896 18446744073709551615 4145005172 0 0 4096 0 0 0 0 17 0 0 0
/proc/11063/statm: 4813 4159 137 64 0 4128 0
Current children cumulated CPU time (s) 25.46
Current children cumulated vsize (KiB) 24604

Child status: 0
Real time (s): 38.5831
CPU time (s): 38.5081
CPU user time (s): 36.9734
CPU system time (s): 1.53477
CPU usage (%): 99.8058
Max. virtual memory (cumulated for all children) (KiB): 52764

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 36.9734
system time used= 1.53477
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 20267
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= 243
involuntary context switches= 571

runsolver used 0.040993 s user time and 0.112982 s system time

The end

Launcher Data (download as text)

Begin job on node15 on Mon Jan  8 19:24:50 UTC 2007


IDJOB= 196398
IDBENCH= 3348
FILE ID= node15/196398-1168284288

PBS_JOBID= 3501650

Free space on /tmp= 66311 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp06-10/fapp09/fapp09-0800-3.xml
COMMAND LINE= /tmp/evaluation/196398-1168284288/solver2 /tmp/evaluation/196398-1168284288/unknown 1800
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node15/watcher-196398-1168284288 -o ROOT/results/node15/solver-196398-1168284288 -C 1800 -M 900  /tmp/evaluation/196398-1168284288/solver2 /tmp/evaluation/196398-1168284288/unknown 1800

META MD5SUM SOLVER= 2182e29fee250f6e45b9a85a6429fa3a
MD5SUM BENCH=  3a39af590e754420eaf79b6f135d4551

RANDOM SEED= 276708585

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:       1649536 kB
Buffers:         84132 kB
Cached:         219004 kB
SwapCached:       6400 kB
Active:         212716 kB
Inactive:       133520 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1649536 kB
SwapTotal:     4192956 kB
SwapFree:      4174172 kB
Dirty:           25656 kB
Writeback:           0 kB
Mapped:          53488 kB
Slab:            44620 kB
Committed_AS:  5380008 kB
PageTables:       2404 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= 66298 MiB



End job on node15 on Mon Jan  8 19:25:29 UTC 2007