Trace number 205934

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 71.2432 71.6534

General information on the benchmark

Namefapp/fapp36-40/fapp38/
fapp38-2500-10.xml
MD5SUMa5c09c7ec4b61520346e5aeab430844a
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 benchmark55.0376
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables2500
Number of constraints62132
Maximum constraint arity2
Maximum domain size698
Number of constraints which are defined in extension0
Number of constraints which are defined in intension62132
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-205934-1168293734 -o ROOT/results/node12/solver-205934-1168293734 -C 1800 -M 900 /tmp/evaluation/205934-1168293734/solver2 /tmp/evaluation/205934-1168293734/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: 1.62 1.32 1.53 3/93 10388
/proc/meminfo: memFree=1033432/2055920 swapFree=4160348/4192956
[pid=10387] ppid=10385 vsize=5352 CPUtime=0
/proc/10387/stat : 10387 (solver2) S 10385 10387 6100 0 -1 4194304 331 190 0 0 0 0 0 0 19 0 1 0 177768844 5480448 241 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 252429525828 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/10387/statm: 1338 241 202 169 0 49 0
[pid=10391] ppid=10387 vsize=2404 CPUtime=0
/proc/10391/stat : 10391 (rm) R 10387 10387 6100 0 -1 4194304 92 0 0 0 0 0 0 0 22 0 1 0 177768845 2461696 63 18446744073709551615 4194304 4227748 548682069488 18446744073709551615 252429958468 0 0 4096 0 0 0 0 17 1 0 0
/proc/10391/statm: 601 76 62 8 0 9 0

[startup+0.103116 s]
/proc/loadavg: 1.62 1.32 1.53 3/93 10388
/proc/meminfo: memFree=1033432/2055920 swapFree=4160348/4192956
[pid=10387] ppid=10385 vsize=5352 CPUtime=0
/proc/10387/stat : 10387 (solver2) S 10385 10387 6100 0 -1 4194304 353 334 0 0 0 0 0 0 16 0 1 0 177768844 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 252429525828 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/10387/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+0.511184 s]
/proc/loadavg: 1.62 1.32 1.53 3/93 10388
/proc/meminfo: memFree=1033432/2055920 swapFree=4160348/4192956
[pid=10387] ppid=10385 vsize=5352 CPUtime=0
/proc/10387/stat : 10387 (solver2) S 10385 10387 6100 0 -1 4194304 353 334 0 0 0 0 0 0 16 0 1 0 177768844 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 252429525828 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/10387/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+1.33234 s]
/proc/loadavg: 1.65 1.33 1.53 4/97 10399
/proc/meminfo: memFree=1016504/2055920 swapFree=4160348/4192956
[pid=10387] ppid=10385 vsize=5352 CPUtime=1.24
/proc/10387/stat : 10387 (solver2) S 10385 10387 6100 0 -1 4194304 376 3171 0 0 0 0 115 9 16 0 1 0 177768844 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 252429525828 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/10387/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 1.24
Current children cumulated vsize (KiB) 5352

[startup+2.96963 s]
/proc/loadavg: 1.65 1.33 1.53 3/94 10402
/proc/meminfo: memFree=970640/2055920 swapFree=4160348/4192956
[pid=10387] ppid=10385 vsize=5352 CPUtime=1.24
/proc/10387/stat : 10387 (solver2) S 10385 10387 6100 0 -1 4194304 376 3171 0 0 0 0 115 9 16 0 1 0 177768844 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 252429525828 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/10387/statm: 1338 242 203 169 0 49 0
[pid=10400] ppid=10387 vsize=72420 CPUtime=1.7
/proc/10400/stat : 10400 (bordewijk) R 10387 10387 6100 0 -1 4194304 17586 0 0 0 155 15 0 0 25 0 1 0 177768970 74158080 17558 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 10131067 0 0 4096 0 0 0 0 17 1 0 0
/proc/10400/statm: 18105 17559 204 97 0 17386 0
Current children cumulated CPU time (s) 2.94
Current children cumulated vsize (KiB) 77772

[startup+6.25622 s]
/proc/loadavg: 1.65 1.33 1.53 3/94 10404
/proc/meminfo: memFree=814480/2055920 swapFree=4160348/4192956
[pid=10387] ppid=10385 vsize=5352 CPUtime=1.24
/proc/10387/stat : 10387 (solver2) S 10385 10387 6100 0 -1 4194304 376 3171 0 0 0 0 115 9 16 0 1 0 177768844 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 252429525828 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/10387/statm: 1338 242 203 169 0 49 0
[pid=10400] ppid=10387 vsize=186072 CPUtime=4.97
/proc/10400/stat : 10400 (bordewijk) R 10387 10387 6100 0 -1 4194304 46017 0 0 0 462 35 0 0 25 0 1 0 177768970 190537728 45987 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/10400/statm: 46518 45989 204 97 0 45799 0
Current children cumulated CPU time (s) 6.21
Current children cumulated vsize (KiB) 191424

[startup+12.7214 s]
/proc/loadavg: 1.70 1.35 1.54 3/94 10409
/proc/meminfo: memFree=925200/2055920 swapFree=4160348/4192956
[pid=10387] ppid=10385 vsize=5352 CPUtime=1.24
/proc/10387/stat : 10387 (solver2) S 10385 10387 6100 0 -1 4194304 376 3171 0 0 0 0 115 9 16 0 1 0 177768844 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 252429525828 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/10387/statm: 1338 242 203 169 0 49 0
[pid=10400] ppid=10387 vsize=456332 CPUtime=11.36
/proc/10400/stat : 10400 (bordewijk) R 10387 10387 6100 0 -1 4194304 125445 0 0 0 814 322 0 0 25 0 1 0 177768970 467283968 111901 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 0 0 0
/proc/10400/statm: 114083 111901 217 97 0 113364 0
Current children cumulated CPU time (s) 12.6
Current children cumulated vsize (KiB) 461684

[startup+25.5497 s]
/proc/loadavg: 1.75 1.37 1.54 3/88 10432
/proc/meminfo: memFree=1116240/2055920 swapFree=4160348/4192956
[pid=10387] ppid=10385 vsize=5352 CPUtime=22.27
/proc/10387/stat : 10387 (solver2) S 10385 10387 6100 0 -1 4194304 397 128617 0 0 0 0 985 1242 16 0 1 0 177768844 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 252429525828 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/10387/statm: 1338 242 203 169 0 49 0
[pid=10432] ppid=10387 vsize=263848 CPUtime=3.07
/proc/10432/stat : 10432 (standalone) R 10387 10387 6100 0 -1 4194304 21862 0 0 0 78 229 0 0 25 0 1 0 177771091 270180352 20611 18446744073709551615 134512640 134775488 4294956880 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/10432/statm: 65962 20611 129 64 0 65277 0
Current children cumulated CPU time (s) 25.34
Current children cumulated vsize (KiB) 269200

[startup+51.2123 s]
/proc/loadavg: 1.83 1.42 1.55 2/82 10446
/proc/meminfo: memFree=1258392/2055920 swapFree=4160348/4192956
[pid=10387] ppid=10385 vsize=5352 CPUtime=22.27
/proc/10387/stat : 10387 (solver2) S 10385 10387 6100 0 -1 4194304 397 128617 0 0 0 0 985 1242 16 0 1 0 177768844 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 252429525828 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/10387/statm: 1338 242 203 169 0 49 0
[pid=10432] ppid=10387 vsize=263924 CPUtime=28.64
/proc/10432/stat : 10432 (standalone) R 10387 10387 6100 0 -1 4194304 66255 0 0 0 2544 320 0 0 25 0 1 0 177771091 270258176 64989 18446744073709551615 134512640 134775488 4294956880 18446744073709551615 134549726 0 0 4096 0 0 0 0 17 1 0 0
/proc/10432/statm: 65981 64989 137 64 0 65296 0
Current children cumulated CPU time (s) 50.91
Current children cumulated vsize (KiB) 269276

Child status: 0
Real time (s): 71.6534
CPU time (s): 71.2432
CPU user time (s): 55.5136
CPU system time (s): 15.7296
CPU usage (%): 99.4275
Max. virtual memory (cumulated for all children) (KiB): 461684

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 55.5136
system time used= 15.7296
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 195577
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= 1247
involuntary context switches= 2981

runsolver used 0.06199 s user time and 0.221966 s system time

The end

Launcher Data (download as text)

Begin job on node12 on Mon Jan  8 22:02:17 UTC 2007


IDJOB= 205934
IDBENCH= 4176
FILE ID= node12/205934-1168293734

PBS_JOBID= 3501832

Free space on /tmp= 66220 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp36-40/fapp38/fapp38-2500-10.xml
COMMAND LINE= /tmp/evaluation/205934-1168293734/solver2 /tmp/evaluation/205934-1168293734/unknown 1800
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node12/watcher-205934-1168293734 -o ROOT/results/node12/solver-205934-1168293734 -C 1800 -M 900  /tmp/evaluation/205934-1168293734/solver2 /tmp/evaluation/205934-1168293734/unknown 1800

META MD5SUM SOLVER= 2182e29fee250f6e45b9a85a6429fa3a
MD5SUM BENCH=  a5c09c7ec4b61520346e5aeab430844a

RANDOM SEED= 617649846

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:       1035000 kB
Buffers:         75880 kB
Cached:         405188 kB
SwapCached:       5132 kB
Active:         794688 kB
Inactive:       168420 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1035000 kB
SwapTotal:     4192956 kB
SwapFree:      4160348 kB
Dirty:          111448 kB
Writeback:           0 kB
Mapped:         493168 kB
Slab:            41468 kB
Committed_AS:  5596328 kB
PageTables:       3200 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= 66222 MiB



End job on node12 on Mon Jan  8 22:03:34 UTC 2007