Trace number 201303

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 215.487 216.527

General information on the benchmark

Namefapp/fapp11-15/fapp12/
fapp12-1500-8.xml
MD5SUM71ff924c9efc7ec0b5708a6b6a81ed9a
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 benchmark215.487
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables1500
Number of constraints25409
Maximum constraint arity2
Maximum domain size310
Number of constraints which are defined in extension0
Number of constraints which are defined in intension25409
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/node14/watcher-201303-1168289615 -o ROOT/results/node14/solver-201303-1168289615 -C 1800 -M 900 /tmp/evaluation/201303-1168289615/solver /tmp/evaluation/201303-1168289615/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: 2.00 1.95 1.63 5/87 14997
/proc/meminfo: memFree=1714240/2055920 swapFree=4163780/4192956
[pid=14996] ppid=14994 vsize=5352 CPUtime=0
/proc/14996/stat : 14996 (solver) R 14994 14996 12909 0 -1 4194304 280 0 0 0 0 0 0 0 21 0 1 0 177356593 5480448 231 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 212234463903 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/14996/statm: 1338 231 193 169 0 49 0
[pid=14998] ppid=14996 vsize=0 CPUtime=0
/proc/14998/stat : 14998 (solver) Z 14996 14996 12909 0 -1 4194380 26 0 0 0 0 0 0 0 15 0 1 0 177356593 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 65538 18446744071563351923 0 0 17 0 0 0
/proc/14998/statm: 0 0 0 0 0 0 0
[pid=14999] ppid=14996 vsize=5352 CPUtime=0
/proc/14999/stat : 14999 (solver) R 14996 14996 12909 0 -1 4194368 0 0 0 0 0 0 0 0 21 0 1 0 177356593 5480448 231 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 212234463903 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/14999/statm: 1338 231 193 169 0 49 0

[startup+0.106201 s]
/proc/loadavg: 2.00 1.95 1.63 5/87 14997
/proc/meminfo: memFree=1714240/2055920 swapFree=4163780/4192956
[pid=14996] ppid=14994 vsize=5352 CPUtime=0
/proc/14996/stat : 14996 (solver) S 14994 14996 12909 0 -1 4194304 354 334 0 0 0 0 0 0 22 0 1 0 177356593 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/14996/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+0.514245 s]
/proc/loadavg: 2.00 1.95 1.63 5/87 14997
/proc/meminfo: memFree=1714240/2055920 swapFree=4163780/4192956
[pid=14996] ppid=14994 vsize=5352 CPUtime=0.39
/proc/14996/stat : 14996 (solver) S 14994 14996 12909 0 -1 4194304 376 2620 0 0 0 0 35 4 15 0 1 0 177356593 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/14996/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 5352

[startup+1.33532 s]
/proc/loadavg: 2.00 1.95 1.63 3/88 15009
/proc/meminfo: memFree=1674808/2055920 swapFree=4163780/4192956
[pid=14996] ppid=14994 vsize=5352 CPUtime=0.39
/proc/14996/stat : 14996 (solver) S 14994 14996 12909 0 -1 4194304 376 2620 0 0 0 0 35 4 15 0 1 0 177356593 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/14996/statm: 1338 242 203 169 0 49 0
[pid=15009] ppid=14996 vsize=41924 CPUtime=0.91
/proc/15009/stat : 15009 (bordewijk) R 14996 14996 12909 0 -1 4194304 9961 0 0 0 84 7 0 0 25 0 1 0 177356634 42930176 9933 18446744073709551615 134512640 134912576 4294956768 18446744073709551615 7291842 0 0 4096 0 0 0 0 17 1 0 0
/proc/15009/statm: 10481 9933 204 97 0 9762 0
Current children cumulated CPU time (s) 1.3
Current children cumulated vsize (KiB) 47276

[startup+2.97248 s]
/proc/loadavg: 2.00 1.95 1.63 3/88 15009
/proc/meminfo: memFree=1626552/2055920 swapFree=4163780/4192956
[pid=14996] ppid=14994 vsize=5352 CPUtime=0.39
/proc/14996/stat : 14996 (solver) S 14994 14996 12909 0 -1 4194304 376 2620 0 0 0 0 35 4 15 0 1 0 177356593 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/14996/statm: 1338 242 203 169 0 49 0
[pid=15009] ppid=14996 vsize=83668 CPUtime=2.54
/proc/15009/stat : 15009 (bordewijk) R 14996 14996 12909 0 -1 4194304 22131 0 0 0 234 20 0 0 25 0 1 0 177356634 85676032 20395 18446744073709551615 134512640 134912576 4294956768 18446744073709551615 7343169 0 0 4096 0 0 0 0 17 1 0 0
/proc/15009/statm: 20917 20395 211 97 0 20198 0
Current children cumulated CPU time (s) 2.93
Current children cumulated vsize (KiB) 89020

[startup+6.26478 s]
/proc/loadavg: 2.08 1.97 1.63 3/88 15009
/proc/meminfo: memFree=1541560/2055920 swapFree=4163780/4192956
[pid=14996] ppid=14994 vsize=5352 CPUtime=0.39
/proc/14996/stat : 14996 (solver) S 14994 14996 12909 0 -1 4194304 376 2620 0 0 0 0 35 4 15 0 1 0 177356593 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/14996/statm: 1338 242 203 169 0 49 0
[pid=15009] ppid=14996 vsize=145184 CPUtime=5.79
/proc/15009/stat : 15009 (bordewijk) R 14996 14996 12909 0 -1 4194304 40539 0 0 0 310 269 0 0 25 0 1 0 177356634 148668416 35246 18446744073709551615 134512640 134912576 4294956768 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/15009/statm: 36296 35246 217 97 0 35577 0
Current children cumulated CPU time (s) 6.18
Current children cumulated vsize (KiB) 150536

[startup+12.7354 s]
/proc/loadavg: 2.16 1.99 1.64 3/88 15010
/proc/meminfo: memFree=1630200/2055920 swapFree=4163780/4192956
[pid=14996] ppid=14994 vsize=5352 CPUtime=7.74
/proc/14996/stat : 14996 (solver) S 14994 14996 12909 0 -1 4194304 396 43160 0 0 0 0 354 420 16 0 1 0 177356593 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/14996/statm: 1338 242 203 169 0 49 0
[pid=15010] ppid=14996 vsize=66492 CPUtime=4.88
/proc/15010/stat : 15010 (standalone) R 14996 14996 12909 0 -1 4194304 16145 0 0 0 389 99 0 0 25 0 1 0 177357374 68087808 15596 18446744073709551615 134512640 134775488 4294956896 18446744073709551615 4101790980 0 0 4096 0 0 0 0 17 1 0 0
/proc/15010/statm: 16623 15596 137 64 0 15938 0
Current children cumulated CPU time (s) 12.62
Current children cumulated vsize (KiB) 71844

[startup+25.5836 s]
/proc/loadavg: 2.12 1.99 1.64 3/88 15010
/proc/meminfo: memFree=1628984/2055920 swapFree=4163780/4192956
[pid=14996] ppid=14994 vsize=5352 CPUtime=7.74
/proc/14996/stat : 14996 (solver) S 14994 14996 12909 0 -1 4194304 396 43160 0 0 0 0 354 420 16 0 1 0 177356593 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/14996/statm: 1338 242 203 169 0 49 0
[pid=15010] ppid=14996 vsize=66516 CPUtime=17.67
/proc/15010/stat : 15010 (standalone) R 14996 14996 12909 0 -1 4194304 16473 0 0 0 1667 100 0 0 25 0 1 0 177357374 68112384 15924 18446744073709551615 134512640 134775488 4294956896 18446744073709551615 134554178 0 0 4096 0 0 0 0 17 1 0 0
/proc/15010/statm: 16629 15924 138 64 0 15944 0
Current children cumulated CPU time (s) 25.41
Current children cumulated vsize (KiB) 71868

[startup+51.267 s]
/proc/loadavg: 2.08 1.99 1.65 3/88 15010
/proc/meminfo: memFree=1629176/2055920 swapFree=4163780/4192956
[pid=14996] ppid=14994 vsize=5352 CPUtime=7.74
/proc/14996/stat : 14996 (solver) S 14994 14996 12909 0 -1 4194304 396 43160 0 0 0 0 354 420 16 0 1 0 177356593 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/14996/statm: 1338 242 203 169 0 49 0
[pid=15010] ppid=14996 vsize=66516 CPUtime=43.23
/proc/15010/stat : 15010 (standalone) R 14996 14996 12909 0 -1 4194304 16473 0 0 0 4223 100 0 0 25 0 1 0 177357374 68112384 15924 18446744073709551615 134512640 134775488 4294956896 18446744073709551615 4099614632 0 0 4096 0 0 0 0 17 1 0 0
/proc/15010/statm: 16629 15924 138 64 0 15944 0
Current children cumulated CPU time (s) 50.97
Current children cumulated vsize (KiB) 71868

[startup+102.526 s]
/proc/loadavg: 2.03 1.99 1.67 3/88 15010
/proc/meminfo: memFree=1629240/2055920 swapFree=4163780/4192956
[pid=14996] ppid=14994 vsize=5352 CPUtime=7.74
/proc/14996/stat : 14996 (solver) S 14994 14996 12909 0 -1 4194304 396 43160 0 0 0 0 354 420 16 0 1 0 177356593 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/14996/statm: 1338 242 203 169 0 49 0
[pid=15010] ppid=14996 vsize=66524 CPUtime=94.25
/proc/15010/stat : 15010 (standalone) R 14996 14996 12909 0 -1 4194304 16499 0 0 0 9324 101 0 0 25 0 1 0 177357374 68120576 15950 18446744073709551615 134512640 134775488 4294956896 18446744073709551615 134519662 0 0 4096 0 0 0 0 17 1 0 0
/proc/15010/statm: 16631 15950 138 64 0 15946 0
Current children cumulated CPU time (s) 101.99
Current children cumulated vsize (KiB) 71876

[startup+162.619 s]
/proc/loadavg: 2.01 1.99 1.68 3/88 15010
/proc/meminfo: memFree=1629112/2055920 swapFree=4163780/4192956
[pid=14996] ppid=14994 vsize=5352 CPUtime=7.74
/proc/14996/stat : 14996 (solver) S 14994 14996 12909 0 -1 4194304 396 43160 0 0 0 0 354 420 16 0 1 0 177356593 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/14996/statm: 1338 242 203 169 0 49 0
[pid=15010] ppid=14996 vsize=66528 CPUtime=154.07
/proc/15010/stat : 15010 (standalone) R 14996 14996 12909 0 -1 4194304 16509 0 0 0 15305 102 0 0 25 0 1 0 177357374 68124672 15960 18446744073709551615 134512640 134775488 4294956896 18446744073709551615 134549726 0 0 4096 0 0 0 0 17 1 0 0
/proc/15010/statm: 16632 15960 138 64 0 15947 0
Current children cumulated CPU time (s) 161.81
Current children cumulated vsize (KiB) 71880

Child status: 0
Real time (s): 216.527
CPU time (s): 215.487
CPU user time (s): 210.236
CPU system time (s): 5.2512
CPU usage (%): 99.5198
Max. virtual memory (cumulated for all children) (KiB): 150536

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 210.236
system time used= 5.2512
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 60142
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= 556
involuntary context switches= 7038

runsolver used 0.216967 s user time and 0.746886 s system time

The end

Launcher Data (download as text)

Begin job on node14 on Mon Jan  8 20:53:37 UTC 2007


IDJOB= 201303
IDBENCH= 3755
FILE ID= node14/201303-1168289615

PBS_JOBID= 3501738

Free space on /tmp= 66282 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp11-15/fapp12/fapp12-1500-8.xml
COMMAND LINE= /tmp/evaluation/201303-1168289615/solver /tmp/evaluation/201303-1168289615/unknown 1800
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node14/watcher-201303-1168289615 -o ROOT/results/node14/solver-201303-1168289615 -C 1800 -M 900  /tmp/evaluation/201303-1168289615/solver /tmp/evaluation/201303-1168289615/unknown 1800

META MD5SUM SOLVER= 6c84d9851726bfff2e2bc2bb5530c705
MD5SUM BENCH=  71ff924c9efc7ec0b5708a6b6a81ed9a

RANDOM SEED= 279171454

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		: 3000.227
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		: 3000.227
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:       1714656 kB
Buffers:         11836 kB
Cached:         146968 kB
SwapCached:       4056 kB
Active:         233404 kB
Inactive:        68764 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1714656 kB
SwapTotal:     4192956 kB
SwapFree:      4163780 kB
Dirty:           14352 kB
Writeback:           0 kB
Mapped:         153068 kB
Slab:            23888 kB
Committed_AS:  5989280 kB
PageTables:       2388 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= 66261 MiB



End job on node14 on Mon Jan  8 20:57:13 UTC 2007