Trace number 234059

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
Mistral 2006-12-04SAT 17.4184 17.428

General information on the benchmark

Nametaillard/os-taillard-7/
os-taillard-7-100-1.xml
MD5SUMafb5d8334ceaf84164b5722ab3a14fda
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 benchmark0.638902
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables49
Number of constraints294
Maximum constraint arity2
Maximum domain size441
Number of constraints which are defined in extension0
Number of constraints which are defined in intension294
Global constraints used (with number of constraints)

Solver Data (download as text)

0.01	c 
0.01	c Parsing xml file
0.01	c 	domains...............    0
0.01	c 	variables.............    0
0.01	c 	predicates............    0
0.01	c 	constraints........... 0.02
0.03	c Allocating memory
0.03	c 
0.03	c time limit = -1
0.03	c heuristic = dom/wdeg
0.03	c restart policy = No restart
0.03	c 
0.03	c Solving
0.03	c
17.42	s SATISFIABLE
17.42	v 354 182 0 262 9 173 97 0 227 334 97 130 354 237 72 146 362 0 284 153 275 195 440 4 173 344 95 418 262 146 91 227 349 0 129 130 392 334 178 33 0 278 418 349 285 195 134 33 0
17.42	d          SAT    541623 BTS        17 s

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/node33/watcher-234059-1168330259 -o ROOT/results/node33/solver-234059-1168330259 -C 1800 -M 900 /tmp/evaluation/234059-1168330259/mistral/bin/solver /tmp/evaluation/234059-1168330259/unknown.xml -v 1 

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: 1.07 1.16 1.54 4/65 25429
/proc/meminfo: memFree=1436408/2055920 swapFree=4192224/4192956
[pid=25428] ppid=25426 vsize=6792 CPUtime=0
/proc/25428/stat : 25428 (solver) R 25426 25428 24083 0 -1 4194304 403 0 0 0 0 0 0 0 18 0 1 0 181419765 6955008 382 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 10913462 0 0 4096 0 0 0 0 17 1 0 0
/proc/25428/statm: 1698 390 357 92 0 30 0

[startup+0.102856 s]
/proc/loadavg: 1.07 1.16 1.54 4/65 25429
/proc/meminfo: memFree=1436408/2055920 swapFree=4192224/4192956
[pid=25428] ppid=25426 vsize=8504 CPUtime=0.09
/proc/25428/stat : 25428 (solver) R 25426 25428 24083 0 -1 4194304 1205 0 0 0 9 0 0 0 18 0 1 0 181419765 8708096 1173 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134646741 0 0 4096 0 0 0 0 17 1 0 0
/proc/25428/statm: 2126 1173 716 92 0 470 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8504

[startup+0.510938 s]
/proc/loadavg: 1.07 1.16 1.54 4/65 25429
/proc/meminfo: memFree=1436408/2055920 swapFree=4192224/4192956
[pid=25428] ppid=25426 vsize=8504 CPUtime=0.5
/proc/25428/stat : 25428 (solver) R 25426 25428 24083 0 -1 4194304 1205 0 0 0 50 0 0 0 21 0 1 0 181419765 8708096 1173 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134792855 0 0 4096 0 0 0 0 17 1 0 0
/proc/25428/statm: 2126 1173 716 92 0 470 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 8504

[startup+1.33111 s]
/proc/loadavg: 1.07 1.16 1.54 2/65 25429
/proc/meminfo: memFree=1434552/2055920 swapFree=4192224/4192956
[pid=25428] ppid=25426 vsize=8504 CPUtime=1.32
/proc/25428/stat : 25428 (solver) R 25426 25428 24083 0 -1 4194304 1205 0 0 0 132 0 0 0 25 0 1 0 181419765 8708096 1173 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134647050 0 0 4096 0 0 0 0 17 1 0 0
/proc/25428/statm: 2126 1173 716 92 0 470 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 8504

[startup+2.96745 s]
/proc/loadavg: 1.06 1.16 1.53 2/65 25429
/proc/meminfo: memFree=1434552/2055920 swapFree=4192224/4192956
[pid=25428] ppid=25426 vsize=8504 CPUtime=2.95
/proc/25428/stat : 25428 (solver) R 25426 25428 24083 0 -1 4194304 1205 0 0 0 295 0 0 0 25 0 1 0 181419765 8708096 1173 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 11412433 0 0 4096 0 0 0 0 17 1 0 0
/proc/25428/statm: 2126 1173 716 92 0 470 0
Current children cumulated CPU time (s) 2.95
Current children cumulated vsize (KiB) 8504

[startup+6.24613 s]
/proc/loadavg: 1.06 1.16 1.53 2/65 25429
/proc/meminfo: memFree=1434368/2055920 swapFree=4192224/4192956
[pid=25428] ppid=25426 vsize=8504 CPUtime=6.23
/proc/25428/stat : 25428 (solver) R 25426 25428 24083 0 -1 4194304 1205 0 0 0 623 0 0 0 25 0 1 0 181419765 8708096 1173 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134795122 0 0 4096 0 0 0 0 17 1 0 0
/proc/25428/statm: 2126 1173 716 92 0 470 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 8504

[startup+12.6995 s]
/proc/loadavg: 1.05 1.15 1.53 2/65 25429
/proc/meminfo: memFree=1434408/2055920 swapFree=4192224/4192956
[pid=25428] ppid=25426 vsize=8504 CPUtime=12.68
/proc/25428/stat : 25428 (solver) R 25426 25428 24083 0 -1 4194304 1205 0 0 0 1268 0 0 0 25 0 1 0 181419765 8708096 1173 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134727402 0 0 4096 0 0 0 0 17 1 0 0
/proc/25428/statm: 2126 1173 716 92 0 470 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 8504

Child status: 0
Real time (s): 17.428
CPU time (s): 17.4184
CPU user time (s): 17.4114
CPU system time (s): 0.006998
CPU usage (%): 99.9444
Max. virtual memory (cumulated for all children) (KiB): 8504

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 17.4114
system time used= 0.006998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1217
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= 13
involuntary context switches= 47

runsolver used 0.010998 s user time and 0.042993 s system time

The end

Launcher Data (download as text)

Begin job on node33 on Tue Jan  9 08:10:59 UTC 2007


IDJOB= 234059
IDBENCH= 6658
FILE ID= node33/234059-1168330259

PBS_JOBID= 3503030

Free space on /tmp= 66561 MiB

BENCH NAME= HOME/pub/bench/CPAI06/taillard/os-taillard-7/os-taillard-7-100-1.xml
COMMAND LINE= /tmp/evaluation/234059-1168330259/mistral/bin/solver /tmp/evaluation/234059-1168330259/unknown.xml -v 1
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node33/watcher-234059-1168330259 -o ROOT/results/node33/solver-234059-1168330259 -C 1800 -M 900  /tmp/evaluation/234059-1168330259/mistral/bin/solver /tmp/evaluation/234059-1168330259/unknown.xml -v 1

META MD5SUM SOLVER= cb80ed4ac975bdc0101f830a5b1b8f77
MD5SUM BENCH=  afb5d8334ceaf84164b5722ab3a14fda

RANDOM SEED= 920669582

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		: 3000.281
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		: 3000.281
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:       1436824 kB
Buffers:          9424 kB
Cached:         544372 kB
SwapCached:        268 kB
Active:          80804 kB
Inactive:       488020 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1436824 kB
SwapTotal:     4192956 kB
SwapFree:      4192224 kB
Dirty:            2988 kB
Writeback:           0 kB
Mapped:          24760 kB
Slab:            36320 kB
Committed_AS:  3443064 kB
PageTables:       1408 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= 66561 MiB



End job on node33 on Tue Jan  9 08:11:17 UTC 2007