Trace number 202288

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 24.4483 24.6126

General information on the benchmark

Namefapp/fapp21-25/fapp22/
fapp22-1750-9.xml
MD5SUM9508201433aaae530e67feeaef7053db
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 benchmark16.5685
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables1750
Number of constraints32049
Maximum constraint arity2
Maximum domain size802
Number of constraints which are defined in extension0
Number of constraints which are defined in intension32049
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/node12/watcher-202288-1168290782 -o ROOT/results/node12/solver-202288-1168290782 -C 1800 -M 900 /tmp/evaluation/202288-1168290782/solver2 /tmp/evaluation/202288-1168290782/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: 1.33 1.08 1.02 5/88 25958
/proc/meminfo: memFree=1629712/2055920 swapFree=4160348/4192956
[pid=25957] ppid=25955 vsize=18540 CPUtime=0
/proc/25957/stat : 25957 (runsolver) R 25955 25957 24592 0 -1 4194368 16 0 0 0 0 0 0 0 20 0 1 0 177473590 18984960 279 18446744073709551615 4194304 4267372 548682069072 18446744073709551615 252429528359 0 0 4096 24578 0 0 0 17 1 0 0
/proc/25957/statm: 4635 279 244 17 0 2626 0

[startup+0.111138 s]
/proc/loadavg: 1.33 1.08 1.02 5/88 25958
/proc/meminfo: memFree=1629712/2055920 swapFree=4160348/4192956
[pid=25957] ppid=25955 vsize=5352 CPUtime=0
/proc/25957/stat : 25957 (solver2) S 25955 25957 24592 0 -1 4194304 353 334 0 0 0 0 0 0 18 0 1 0 177473590 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 252429525828 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/25957/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+0.522218 s]
/proc/loadavg: 1.33 1.08 1.02 5/88 25958
/proc/meminfo: memFree=1629712/2055920 swapFree=4160348/4192956
[pid=25957] ppid=25955 vsize=5352 CPUtime=0
/proc/25957/stat : 25957 (solver2) S 25955 25957 24592 0 -1 4194304 353 334 0 0 0 0 0 0 18 0 1 0 177473590 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 252429525828 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/25957/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+1.34336 s]
/proc/loadavg: 1.33 1.08 1.02 3/88 25977
/proc/meminfo: memFree=1559632/2055920 swapFree=4160348/4192956
[pid=25957] ppid=25955 vsize=5352 CPUtime=0.62
/proc/25957/stat : 25957 (solver2) S 25955 25957 24592 0 -1 4194304 376 2730 0 0 0 0 56 6 16 0 1 0 177473590 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 252429525828 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/25957/statm: 1338 242 203 169 0 49 0
[pid=25977] ppid=25957 vsize=31468 CPUtime=0.68
/proc/25977/stat : 25977 (bordewijk) R 25957 25957 24592 0 -1 4194304 7360 0 0 0 61 7 0 0 23 0 1 0 177473654 32223232 7332 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 134555296 0 0 4096 0 0 0 0 17 1 0 0
/proc/25977/statm: 7867 7332 204 97 0 7148 0
Current children cumulated CPU time (s) 1.3
Current children cumulated vsize (KiB) 36820

[startup+2.98166 s]
/proc/loadavg: 1.33 1.08 1.02 4/88 25977
/proc/meminfo: memFree=1455568/2055920 swapFree=4160348/4192956
[pid=25957] ppid=25955 vsize=5352 CPUtime=0.62
/proc/25957/stat : 25957 (solver2) S 25955 25957 24592 0 -1 4194304 376 2730 0 0 0 0 56 6 16 0 1 0 177473590 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 252429525828 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/25957/statm: 1338 242 203 169 0 49 0
[pid=25977] ppid=25957 vsize=93376 CPUtime=2.29
/proc/25977/stat : 25977 (bordewijk) R 25957 25957 24592 0 -1 4194304 22822 0 0 0 210 19 0 0 25 0 1 0 177473654 95617024 22794 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 10155804 0 0 4096 0 0 0 0 17 1 0 0
/proc/25977/statm: 23344 22794 204 97 0 22625 0
Current children cumulated CPU time (s) 2.91
Current children cumulated vsize (KiB) 98728

[startup+6.27225 s]
/proc/loadavg: 1.46 1.11 1.03 3/88 25977
/proc/meminfo: memFree=1178072/2055920 swapFree=4160348/4192956
[pid=25957] ppid=25955 vsize=5352 CPUtime=0.62
/proc/25957/stat : 25957 (solver2) S 25955 25957 24592 0 -1 4194304 376 2730 0 0 0 0 56 6 16 0 1 0 177473590 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 252429525828 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/25957/statm: 1338 242 203 169 0 49 0
[pid=25977] ppid=25957 vsize=233268 CPUtime=5.55
/proc/25977/stat : 25977 (bordewijk) R 25957 25957 24592 0 -1 4194304 63678 0 0 0 394 161 0 0 25 0 1 0 177473654 238866432 56847 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/25977/statm: 58317 56847 217 97 0 57598 0
Current children cumulated CPU time (s) 6.17
Current children cumulated vsize (KiB) 238620

[startup+12.7404 s]
/proc/loadavg: 1.58 1.15 1.04 3/88 25978
/proc/meminfo: memFree=1264352/2055920 swapFree=4160348/4192956
[pid=25957] ppid=25955 vsize=5352 CPUtime=0.62
/proc/25957/stat : 25957 (solver2) S 25955 25957 24592 0 -1 4194304 376 2730 0 0 0 0 56 6 16 0 1 0 177473590 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 252429525828 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/25957/statm: 1338 242 203 169 0 49 0
[pid=25977] ppid=25957 vsize=233268 CPUtime=11.97
/proc/25977/stat : 25977 (bordewijk) R 25957 25957 24592 0 -1 4194304 63679 0 0 0 427 770 0 0 25 0 1 0 177473654 238866432 56848 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 0 0 0
/proc/25977/statm: 58317 56848 218 97 0 57598 0
Current children cumulated CPU time (s) 12.59
Current children cumulated vsize (KiB) 238620

Child status: 0
Real time (s): 24.6126
CPU time (s): 24.4483
CPU user time (s): 14.8707
CPU system time (s): 9.57754
CPU usage (%): 99.3325
Max. virtual memory (cumulated for all children) (KiB): 238620

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 14.8707
system time used= 9.57754
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 100296
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= 697
involuntary context switches= 1246

runsolver used 0.027995 s user time and 0.081987 s system time

The end

Launcher Data (download as text)

Begin job on node12 on Mon Jan  8 21:13:05 UTC 2007


IDJOB= 202288
IDBENCH= 3824
FILE ID= node12/202288-1168290782

PBS_JOBID= 3501764

Free space on /tmp= 66301 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp21-25/fapp22/fapp22-1750-9.xml
COMMAND LINE= /tmp/evaluation/202288-1168290782/solver2 /tmp/evaluation/202288-1168290782/unknown 1800
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node12/watcher-202288-1168290782 -o ROOT/results/node12/solver-202288-1168290782 -C 1800 -M 900  /tmp/evaluation/202288-1168290782/solver2 /tmp/evaluation/202288-1168290782/unknown 1800

META MD5SUM SOLVER= 2182e29fee250f6e45b9a85a6429fa3a
MD5SUM BENCH=  9508201433aaae530e67feeaef7053db

RANDOM SEED= 733363889

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		: 3000.265
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		: 3000.265
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:       1630512 kB
Buffers:         71036 kB
Cached:         265396 kB
SwapCached:       5132 kB
Active:         234444 kB
Inactive:       136528 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1630512 kB
SwapTotal:     4192956 kB
SwapFree:      4160348 kB
Dirty:           28492 kB
Writeback:           0 kB
Mapped:          44784 kB
Slab:            39372 kB
Committed_AS:  5139316 kB
PageTables:       2112 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= 66230 MiB



End job on node12 on Mon Jan  8 21:13:30 UTC 2007