Trace number 201003

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 2007-01-08UNSAT 11.4373 11.4918

General information on the benchmark

Namefapp/fapp11-15/fapp15/
fapp15-3000-0.xml
MD5SUM2be79f0821f7522fe88dc3496c804b12
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 benchmark9.39257
SatisfiableNO
(Un)Satisfiability was provedNO
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 

UNSAT

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node3/watcher-201003-1168288853 -o ROOT/results/node3/solver-201003-1168288853 -C 1800 -M 900 /tmp/evaluation/201003-1168288853/solver /tmp/evaluation/201003-1168288853/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: 1.85 1.94 1.90 5/87 19579
/proc/meminfo: memFree=1346064/2055920 swapFree=4192812/4192956
[pid=19578] ppid=19576 vsize=18540 CPUtime=0
/proc/19578/stat : 19578 (runsolver) R 19576 19578 16786 0 -1 4194368 16 0 0 0 0 0 0 0 20 0 1 0 177281140 18984960 279 18446744073709551615 4194304 4267372 548682069072 18446744073709551615 233632754983 0 0 4096 24578 0 0 0 17 1 0 0
/proc/19578/statm: 4635 279 244 17 0 2626 0

[startup+0.11078 s]
/proc/loadavg: 1.85 1.94 1.90 5/87 19579
/proc/meminfo: memFree=1346064/2055920 swapFree=4192812/4192956
[pid=19578] ppid=19576 vsize=5352 CPUtime=0
/proc/19578/stat : 19578 (solver) S 19576 19578 16786 0 -1 4194304 354 334 0 0 0 0 0 0 22 0 1 0 177281140 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 233632752452 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/19578/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+0.518806 s]
/proc/loadavg: 1.85 1.94 1.90 5/87 19579
/proc/meminfo: memFree=1346064/2055920 swapFree=4192812/4192956
[pid=19578] ppid=19576 vsize=5352 CPUtime=0
/proc/19578/stat : 19578 (solver) S 19576 19578 16786 0 -1 4194304 354 334 0 0 0 0 0 0 22 0 1 0 177281140 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 233632752452 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/19578/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+1.33994 s]
/proc/loadavg: 1.85 1.94 1.90 3/88 19591
/proc/meminfo: memFree=1309832/2055920 swapFree=4192812/4192956
[pid=19578] ppid=19576 vsize=5352 CPUtime=0.5
/proc/19578/stat : 19578 (solver) S 19576 19578 16786 0 -1 4194304 376 2756 0 0 0 0 45 5 15 0 1 0 177281140 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 233632752452 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/19578/statm: 1338 242 203 169 0 49 0
[pid=19591] ppid=19578 vsize=37028 CPUtime=0.8
/proc/19591/stat : 19591 (bordewijk) R 19578 19578 16786 0 -1 4194304 8760 0 0 0 73 7 0 0 25 0 1 0 177281193 37916672 8732 18446744073709551615 134512640 134912576 4294956768 18446744073709551615 134562856 0 0 4096 0 0 0 0 17 1 0 0
/proc/19591/statm: 9257 8732 204 97 0 8538 0
Current children cumulated CPU time (s) 1.3
Current children cumulated vsize (KiB) 42380

[startup+2.97921 s]
/proc/loadavg: 1.86 1.94 1.90 3/88 19591
/proc/meminfo: memFree=1255816/2055920 swapFree=4192812/4192956
[pid=19578] ppid=19576 vsize=5352 CPUtime=0.5
/proc/19578/stat : 19578 (solver) S 19576 19578 16786 0 -1 4194304 376 2756 0 0 0 0 45 5 15 0 1 0 177281140 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 233632752452 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/19578/statm: 1338 242 203 169 0 49 0
[pid=19591] ppid=19578 vsize=96692 CPUtime=2.43
/proc/19591/stat : 19591 (bordewijk) R 19578 19578 16786 0 -1 4194304 23674 0 0 0 224 19 0 0 25 0 1 0 177281193 99012608 23646 18446744073709551615 134512640 134912576 4294956768 18446744073709551615 11384607 0 0 4096 0 0 0 0 17 1 0 0
/proc/19591/statm: 24173 23646 204 97 0 23454 0
Current children cumulated CPU time (s) 2.93
Current children cumulated vsize (KiB) 102044

[startup+6.26674 s]
/proc/loadavg: 1.86 1.94 1.90 3/88 19592
/proc/meminfo: memFree=1317448/2055920 swapFree=4192812/4192956
[pid=19578] ppid=19576 vsize=5352 CPUtime=0.5
/proc/19578/stat : 19578 (solver) S 19576 19578 16786 0 -1 4194304 376 2756 0 0 0 0 45 5 15 0 1 0 177281140 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 233632752452 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/19578/statm: 1338 242 203 169 0 49 0
[pid=19591] ppid=19578 vsize=171016 CPUtime=5.7
/proc/19591/stat : 19591 (bordewijk) R 19578 19578 16786 0 -1 4194304 48664 0 0 0 398 172 0 0 25 0 1 0 177281193 175120384 41483 18446744073709551615 134512640 134912576 4294956768 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 0 0 0
/proc/19591/statm: 42754 41483 217 97 0 42035 0
Current children cumulated CPU time (s) 6.2
Current children cumulated vsize (KiB) 176368

Child status: 0
Real time (s): 11.4918
CPU time (s): 11.4373
CPU user time (s): 5.52916
CPU system time (s): 5.9081
CPU usage (%): 99.525
Max. virtual memory (cumulated for all children) (KiB): 176368

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.52916
system time used= 5.9081
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 68484
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= 690
involuntary context switches= 848

runsolver used 0.015997 s user time and 0.039993 s system time

The end

Launcher Data (download as text)

Begin job on node3 on Mon Jan  8 20:40:55 UTC 2007


IDJOB= 201003
IDBENCH= 3738
FILE ID= node3/201003-1168288853

PBS_JOBID= 3501715

Free space on /tmp= 66481 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp11-15/fapp15/fapp15-3000-0.xml
COMMAND LINE= /tmp/evaluation/201003-1168288853/solver /tmp/evaluation/201003-1168288853/unknown 1800
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node3/watcher-201003-1168288853 -o ROOT/results/node3/solver-201003-1168288853 -C 1800 -M 900  /tmp/evaluation/201003-1168288853/solver /tmp/evaluation/201003-1168288853/unknown 1800

META MD5SUM SOLVER= 6c84d9851726bfff2e2bc2bb5530c705
MD5SUM BENCH=  2be79f0821f7522fe88dc3496c804b12

RANDOM SEED= 620233741

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		: 3000.279
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		: 3000.279
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:       1346608 kB
Buffers:         60576 kB
Cached:         295608 kB
SwapCached:          0 kB
Active:         522036 kB
Inactive:       122112 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1346608 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:           83592 kB
Writeback:           0 kB
Mapped:         308292 kB
Slab:            49784 kB
Committed_AS:  5219320 kB
PageTables:       2512 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= 66520 MiB



End job on node3 on Mon Jan  8 20:41:07 UTC 2007