Trace number 2066475

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 1.545UNSAT 2.72858 2.75031

DiagnosticValue
ASSIGNMENTS0
CHECKS45234
NODES0

General information on the benchmark

Namecsp/pseudo/ssa/
normalized-ssa-6288-047.xml
MD5SUMdd00c5def4c55b065ec455ee1bcb23cb
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark2.72858
Satisfiable
(Un)Satisfiability was proved
Number of variables20820
Number of constraints44644
Maximum constraint arity6
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension44644
Global constraints used (with number of constraints)

Solver Data 

0.00/0.01	c mistral version 1.545
2.37/2.50	s UNSATISFIABLE
2.37/2.50	d CHECKS 45234
2.37/2.50	d ASSIGNMENTS 0
2.37/2.50	d NODES 0 BACKTRACKS 0 FAILURES 1 RUNTIME 0.08 TOTALTIME 2.47 NODES/s 0 CHECKS/s 565425

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2066475-1247343027/watcher-2066475-1247343027 -o /tmp/evaluation-result-2066475-1247343027/solver-2066475-1247343027 -C 1800 -W 2000 -M 900 /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2066475-1247343027.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: 2.27 2.07 2.02 4/83 14550
/proc/meminfo: memFree=1432200/2055920 swapFree=4192956/4192956
[pid=14550] ppid=14548 vsize=18576 CPUtime=0
/proc/14550/stat : 14550 (runsolver) R 14548 14550 13382 0 -1 4194368 15 0 0 0 0 0 0 0 20 0 1 0 21369263 19021824 284 996147200 4194304 4302564 548682068496 18446744073709551615 268213742887 0 2147483391 4096 24578 0 0 0 17 0 0 0
/proc/14550/statm: 4644 284 249 26 0 2626 0

[startup+0.285235 s]
/proc/loadavg: 2.27 2.07 2.02 4/83 14550
/proc/meminfo: memFree=1432200/2055920 swapFree=4192956/4192956
[pid=14550] ppid=14548 vsize=9520 CPUtime=0.27
/proc/14550/stat : 14550 (ld-linux.so.2) R 14548 14550 13382 0 -1 4194304 1577 0 0 0 26 1 0 0 19 0 1 0 21369263 9748480 1556 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381179 0 0 4096 0 0 0 0 17 1 0 0
/proc/14550/statm: 2380 1556 374 29 0 1195 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 9520

[startup+0.302237 s]
/proc/loadavg: 2.27 2.07 2.02 4/83 14550
/proc/meminfo: memFree=1432200/2055920 swapFree=4192956/4192956
[pid=14550] ppid=14548 vsize=9776 CPUtime=0.28
/proc/14550/stat : 14550 (ld-linux.so.2) R 14548 14550 13382 0 -1 4194304 1620 0 0 0 27 1 0 0 19 0 1 0 21369263 10010624 1599 996147200 1448431616 1448550632 4294956208 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/14550/statm: 2444 1599 374 29 0 1259 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 9776

[startup+0.401251 s]
/proc/loadavg: 2.27 2.07 2.02 4/83 14550
/proc/meminfo: memFree=1432200/2055920 swapFree=4192956/4192956
[pid=14550] ppid=14548 vsize=10820 CPUtime=0.38
/proc/14550/stat : 14550 (ld-linux.so.2) R 14548 14550 13382 0 -1 4194304 1872 0 0 0 37 1 0 0 20 0 1 0 21369263 11079680 1851 996147200 1448431616 1448550632 4294956208 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/14550/statm: 2705 1851 374 29 0 1520 0
Current children cumulated CPU time (s) 0.38
Current children cumulated vsize (KiB) 10820

[startup+0.702283 s]
/proc/loadavg: 2.27 2.07 2.02 4/83 14550
/proc/meminfo: memFree=1432200/2055920 swapFree=4192956/4192956
[pid=14550] ppid=14548 vsize=13716 CPUtime=0.67
/proc/14550/stat : 14550 (ld-linux.so.2) R 14548 14550 13382 0 -1 4194304 2617 0 0 0 66 1 0 0 23 0 1 0 21369263 14045184 2596 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381179 0 0 4096 0 0 0 0 17 1 0 0
/proc/14550/statm: 3429 2597 374 29 0 2244 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 13716

[startup+1.50237 s]
/proc/loadavg: 2.27 2.07 2.02 4/84 14551
/proc/meminfo: memFree=1413184/2055920 swapFree=4192956/4192956
[pid=14550] ppid=14548 vsize=21336 CPUtime=1.48
/proc/14550/stat : 14550 (ld-linux.so.2) R 14548 14550 13382 0 -1 4194304 4487 0 0 0 145 3 0 0 25 0 1 0 21369263 21848064 4466 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381179 0 0 4096 0 0 0 0 17 1 0 0
/proc/14550/statm: 5334 4466 375 29 0 4149 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 21336

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

[startup+1.70239 s]
/proc/loadavg: 2.27 2.07 2.02 4/84 14551
/proc/meminfo: memFree=1413184/2055920 swapFree=4192956/4192956
[pid=14550] ppid=14548 vsize=22748 CPUtime=1.68
/proc/14550/stat : 14550 (ld-linux.so.2) R 14548 14550 13382 0 -1 4194304 4834 0 0 0 165 3 0 0 25 0 1 0 21369263 23293952 4813 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157381179 0 0 4096 0 0 0 0 17 1 0 0
/proc/14550/statm: 5687 4814 375 29 0 4502 0
Current children cumulated CPU time (s) 1.68
Current children cumulated vsize (KiB) 22748

[startup+2.50249 s]
/proc/loadavg: 2.25 2.07 2.02 4/84 14551
/proc/meminfo: memFree=1392384/2055920 swapFree=4192956/4192956
[pid=14550] ppid=14548 vsize=51420 CPUtime=2.47
/proc/14550/stat : 14550 (ld-linux.so.2) R 14548 14550 13382 0 -1 4194304 11975 0 0 0 240 7 0 0 25 0 1 0 21369263 52654080 11954 996147200 1448431616 1448550632 4294956208 18446744073709551615 134867510 0 0 4096 0 0 0 0 17 1 0 0
/proc/14550/statm: 12855 11954 421 29 0 11670 0
Current children cumulated CPU time (s) 2.47
Current children cumulated vsize (KiB) 51420

[startup+2.70252 s]
/proc/loadavg: 2.25 2.07 2.02 4/84 14551
/proc/meminfo: memFree=1392384/2055920 swapFree=4192956/4192956
[pid=14550] ppid=14548 vsize=27236 CPUtime=2.67
/proc/14550/stat : 14550 (ld-linux.so.2) R 14548 14550 13382 0 -1 4194304 11986 0 0 0 260 7 0 0 25 0 1 0 21369263 27889664 6032 996147200 1448431616 1448550632 4294956208 18446744073709551615 4157373632 0 0 4096 0 0 0 0 17 1 0 0
/proc/14550/statm: 6809 6032 432 29 0 5624 0
Current children cumulated CPU time (s) 2.67
Current children cumulated vsize (KiB) 27236

Child status: 0
Real time (s): 2.75031
CPU time (s): 2.72858
CPU user time (s): 2.6486
CPU system time (s): 0.079987
CPU usage (%): 99.2099
Max. virtual memory (cumulated for all children) (KiB): 51420

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.6486
system time used= 0.079987
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 11987
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= 16
involuntary context switches= 39

runsolver used 0.002999 second user time and 0.014997 second system time

The end

Launcher Data 

Begin job on node32 at 2009-07-11 22:10:28
IDJOB=2066475
IDBENCH=54522
IDSOLVER=769
FILE ID=node32/2066475-1247343027
PBS_JOBID= 9506747
Free space on /tmp= 66356 MiB

SOLVER NAME= Mistral 1.545
BENCH NAME= CPAI08/csp/pseudo/ssa/normalized-ssa-6288-047.xml
COMMAND LINE= /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2066475-1247343027/watcher-2066475-1247343027 -o /tmp/evaluation-result-2066475-1247343027/solver-2066475-1247343027 -C 1800 -W 2000 -M 900  /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2066475-1247343027.xml

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

MD5SUM BENCH= dd00c5def4c55b065ec455ee1bcb23cb
RANDOM SEED=1676748185

node32.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		: 3000.236
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		: 3000.236
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:       1432680 kB
Buffers:         62828 kB
Cached:         405896 kB
SwapCached:          0 kB
Active:         172788 kB
Inactive:       382300 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1432680 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            7964 kB
Writeback:           0 kB
Mapped:         106840 kB
Slab:            53044 kB
Committed_AS:   249880 kB
PageTables:       2112 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66356 MiB
End job on node32 at 2009-07-11 22:10:31