Trace number 2078663

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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 1.545SAT 2.74158 2.74424

DiagnosticValue
ASSIGNMENTS13260
CHECKS1710490
NODES13260

General information on the benchmark

Namecsp/rand-3-20-20-fcd/
normalized-rand-3-20-20-60-632-fcd-42_ext.xml
MD5SUMccfc8a3582b84060d6c1c269f3c859a2
Bench CategoryN-ARY-EXT (n-ary constraints in extension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.74158
Satisfiable
(Un)Satisfiability was proved
Number of variables20
Number of constraints59
Maximum constraint arity3
Maximum domain size20
Number of constraints which are defined in extension59
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data 

0.00/0.00	c mistral version 1.545
2.68/2.73	s SATISFIABLE
2.68/2.73	v 10 3 8 4 10 5 5 18 19 13 2 2 16 12 16 12 16 10 3 9
2.68/2.73	d CHECKS 1710488
2.68/2.73	d ASSIGNMENTS 13260
2.68/2.73	d NODES 13260 BACKTRACKS 13253 FAILURES 13253 RUNTIME 2.56 TOTALTIME 2.72 NODES/s 5179.69 CHECKS/s 668159

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2078663-1247367347/watcher-2078663-1247367347 -o /tmp/evaluation-result-2078663-1247367347/solver-2078663-1247367347 -C 1800 -W 2000 -M 900 /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2078663-1247367347.xml 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2000 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


[startup+0 s]
/proc/loadavg: 2.14 2.08 2.11 4/73 22945
/proc/meminfo: memFree=1371584/2055920 swapFree=4192956/4192956
[pid=22945] ppid=22943 vsize=4804 CPUtime=0
/proc/22945/stat : 22945 (ld-linux.so.2) R 22943 22945 18511 0 -1 4194304 195 0 0 0 0 0 0 0 18 0 1 0 23799395 4919296 176 996147200 1448431616 1448550632 4294956208 18446744073709551615 1448481051 0 0 4096 0 0 0 0 17 0 0 0
/proc/22945/statm: 1201 176 148 29 0 16 0

[startup+0.013053 s]
/proc/loadavg: 2.14 2.08 2.11 4/73 22945
/proc/meminfo: memFree=1371584/2055920 swapFree=4192956/4192956
[pid=22945] ppid=22943 vsize=5076 CPUtime=0
/proc/22945/stat : 22945 (ld-linux.so.2) R 22943 22945 18511 0 -1 4194304 463 0 0 0 0 0 0 0 18 0 1 0 23799395 5197824 442 996147200 1448431616 1448550632 4294956208 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 0 0 0
/proc/22945/statm: 1269 442 358 29 0 84 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5076

[startup+0.101061 s]
/proc/loadavg: 2.14 2.08 2.11 4/73 22945
/proc/meminfo: memFree=1371584/2055920 swapFree=4192956/4192956
[pid=22945] ppid=22943 vsize=6940 CPUtime=0.09
/proc/22945/stat : 22945 (ld-linux.so.2) R 22943 22945 18511 0 -1 4194304 945 0 0 0 9 0 0 0 18 0 1 0 23799395 7106560 924 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381179 0 0 4096 0 0 0 0 17 0 0 0
/proc/22945/statm: 1735 924 358 29 0 550 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6940

[startup+0.301083 s]
/proc/loadavg: 2.14 2.08 2.11 4/73 22945
/proc/meminfo: memFree=1371584/2055920 swapFree=4192956/4192956
[pid=22945] ppid=22943 vsize=8412 CPUtime=0.28
/proc/22945/stat : 22945 (ld-linux.so.2) R 22943 22945 18511 0 -1 4194304 1366 0 0 0 28 0 0 0 19 0 1 0 23799395 8613888 1345 996147200 1448431616 1448550632 4294956208 18446744073709551615 135264051 0 0 4096 0 0 0 0 17 0 0 0
/proc/22945/statm: 2103 1345 412 29 0 918 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 8412

[startup+0.701122 s]
/proc/loadavg: 2.14 2.08 2.11 4/73 22945
/proc/meminfo: memFree=1371584/2055920 swapFree=4192956/4192956
[pid=22945] ppid=22943 vsize=8412 CPUtime=0.68
/proc/22945/stat : 22945 (ld-linux.so.2) R 22943 22945 18511 0 -1 4194304 1366 0 0 0 68 0 0 0 22 0 1 0 23799395 8613888 1345 996147200 1448431616 1448550632 4294956208 18446744073709551615 135257824 0 0 4096 0 0 0 0 17 0 0 0
/proc/22945/statm: 2103 1345 412 29 0 918 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 8412

[startup+1.5012 s]
/proc/loadavg: 2.14 2.08 2.11 3/74 22946
/proc/meminfo: memFree=1367928/2055920 swapFree=4192956/4192956
[pid=22945] ppid=22943 vsize=8412 CPUtime=1.48
/proc/22945/stat : 22945 (ld-linux.so.2) R 22943 22945 18511 0 -1 4194304 1366 0 0 0 148 0 0 0 25 0 1 0 23799395 8613888 1345 996147200 1448431616 1448550632 4294956208 18446744073709551615 134896973 0 0 4096 0 0 0 0 17 0 0 0
/proc/22945/statm: 2103 1345 412 29 0 918 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 8412

Solver just ended. Dumping a history of the last processes samples

[startup+2.30128 s]
/proc/loadavg: 2.12 2.08 2.11 3/74 22946
/proc/meminfo: memFree=1367800/2055920 swapFree=4192956/4192956
[pid=22945] ppid=22943 vsize=8412 CPUtime=2.28
/proc/22945/stat : 22945 (ld-linux.so.2) R 22943 22945 18511 0 -1 4194304 1367 0 0 0 228 0 0 0 25 0 1 0 23799395 8613888 1346 996147200 1448431616 1448550632 4294956208 18446744073709551615 134860736 0 0 4096 0 0 0 0 17 0 0 0
/proc/22945/statm: 2103 1346 412 29 0 918 0
Current children cumulated CPU time (s) 2.28
Current children cumulated vsize (KiB) 8412

[startup+2.70132 s]
/proc/loadavg: 2.12 2.08 2.11 3/74 22946
/proc/meminfo: memFree=1367800/2055920 swapFree=4192956/4192956
[pid=22945] ppid=22943 vsize=8412 CPUtime=2.68
/proc/22945/stat : 22945 (ld-linux.so.2) R 22943 22945 18511 0 -1 4194304 1367 0 0 0 268 0 0 0 25 0 1 0 23799395 8613888 1346 996147200 1448431616 1448550632 4294956208 18446744073709551615 135161282 0 0 4096 0 0 0 0 17 0 0 0
/proc/22945/statm: 2103 1346 412 29 0 918 0
Current children cumulated CPU time (s) 2.68
Current children cumulated vsize (KiB) 8412

Child status: 0
Real time (s): 2.74424
CPU time (s): 2.74158
CPU user time (s): 2.73158
CPU system time (s): 0.009998
CPU usage (%): 99.9032
Max. virtual memory (cumulated for all children) (KiB): 8412

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.73158
system time used= 0.009998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1406
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= 15
involuntary context switches= 18

runsolver used 0.003999 second user time and 0.012998 second system time

The end

Launcher Data 

Begin job on node36 at 2009-07-12 04:55:47
IDJOB=2078663
IDBENCH=56797
IDSOLVER=769
FILE ID=node36/2078663-1247367347
PBS_JOBID= 9506989
Free space on /tmp= 66388 MiB

SOLVER NAME= Mistral 1.545
BENCH NAME= CPAI08/csp/rand-3-20-20-fcd/normalized-rand-3-20-20-60-632-fcd-42_ext.xml
COMMAND LINE= /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2078663-1247367347/watcher-2078663-1247367347 -o /tmp/evaluation-result-2078663-1247367347/solver-2078663-1247367347 -C 1800 -W 2000 -M 900  /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2078663-1247367347.xml

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB
MAX NB THREAD= 0

MD5SUM BENCH= ccfc8a3582b84060d6c1c269f3c859a2
RANDOM SEED=1838166193

node36.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.238
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		: 3000.238
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:       1372064 kB
Buffers:         73232 kB
Cached:         489400 kB
SwapCached:          0 kB
Active:         195284 kB
Inactive:       420240 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1372064 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            2776 kB
Writeback:           0 kB
Mapped:          63600 kB
Slab:            53708 kB
Committed_AS:   242460 kB
PageTables:       1760 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= 66388 MiB
End job on node36 at 2009-07-12 04:55:50