Trace number 1048831

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-option 1.314SAT 2.26865 2.27041

DiagnosticValue
ASSIGNMENTS3735
CHECKS456520

General information on the benchmark

Namecsp/pseudo/ssa/
normalized-ssa-7552-160.xml
MD5SUMe598d7a1d43cd9ef4a8450c20f329ea5
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.291955
Satisfiable
(Un)Satisfiability was proved
Number of variables2782
Number of constraints4513
Maximum constraint arity5
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension4513
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.00	c mistral-option version 1.313
2.19/2.23	s SATISFIABLE
2.19/2.23	v 1 0 0 0 1 0 0 1 0 0 0 1 1 0 0 0 1 0 0 1 0 1 0 0 1 0 1 0 0 0 0 1 1 0 1 0 0 1 1 0 1 0 0 0 0 0 1 0 0 1 0 1 1 0 1 0 0 0 0 0 1 0 0 1 0 1 0 1 1 0 0 0 0 1 0 0 1 0 0 1 1 0 0 1 0 0 1 0 1 0 0 1 1 0 1 0 0 0 0 1 0 1 0 0 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 0 1 0 0 1 1 0 1 0 0 0 1 0 0 1 0 1 1 0 1 0 1 0 0 1 1 0 0 1 0 1 1 0 0 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 1 0 0 1 1 0 1 0 0 0 0 1 0 0 0 0 0 1 0 0 0 1 1 0 1 0 1 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1 0 0 1 0 0 1 1 0 0 1 0 1 1 0 0 1 1 0 0 1 1 0 1 0 0 1 1 0 1 0 1 0 0 1 0 1 1 0 1 0 1 0 1 0 0 1 0 1 0 1 1 0 1 0 1 0 0 1 0 1 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 1 0 1 0 1 1 0 1 0 0 1 0 1 1 0 1 0 1 0 0 1 0 1 0 1 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 0 1 1 0 1 0 1 0 0 1 0 1 0 1 0 1 1 0 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 1 0 1 0 1 0 1 1 0 0 1 1 0 1 0 0 1 1 0 1 0 0 1 1 0 1 0 0 1 0 1 0 1 0 1 1 0 1 0 0 1 0 1 1 0 0 1 0 1 0 1 0 1 1 0 0 1 0 1 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1 0 1 0 0 1 0 1 0 1 0 1 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 1 0 1 0 1 0 0 1 1 0 1 0 1 0 0 1 1 0 1 0 1 0 0 1 1 0 0 1 0 1 0 1 0 1 1 0 0 1 1 0 0 1 1 0 1 0 1 0 0 1 1 0 0 1 1 0 1 0 1 0 0 1 1 0 1 0 1 0 0 1 0 1 1 0 1 0 0 1 0 1 1 0 1 0 0 1 1 0 1 0 1 0 0 1 0 1 0 1 1 0 1 0 1 0 1 0 0 1 0 1 0 1 1 0 1 0 1 0 0 1 1 0 1 0 1 0 1 0 0 1 0 1 0 1 0 1 1 0 1 0 1 0 1 0 0 1 1 0 0 1 1 0 1 0 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 0 1 1 0 1 0 0 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 1 0 1 0 0 1 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 1 0 0 1 1 0 1 0 0 1 1 0 1 0
2.19/2.23	d CHECKS 456520
2.19/2.23	d ASSIGNMENTS 3735

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.5 (c) roussel@cril.univ-artois.fr

command line: /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1048831-1215044159/watcher-1048831-1215044159 -o /tmp/evaluation-result-1048831-1215044159/solver-1048831-1215044159 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1048831-1215044159.xml -heu dyn -sac 3 -ds 2 

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): 2200 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.99 2.00 1.91 4/74 1580
/proc/meminfo: memFree=1800088/2055920 swapFree=4181172/4192956
[pid=1580] ppid=1578 vsize=4584 CPUtime=0
/proc/1580/stat : 1580 (xsolve) R 1578 1580 32315 0 -1 4194304 325 0 0 0 0 0 0 0 18 0 1 0 245358650 4694016 292 996147200 134512640 135239763 4294956208 18446744073709551615 4158772064 0 0 4096 0 0 0 0 17 0 0 0
/proc/1580/statm: 1146 299 254 177 0 49 0

[startup+0.061243 s]
/proc/loadavg: 1.99 2.00 1.91 4/74 1580
/proc/meminfo: memFree=1800088/2055920 swapFree=4181172/4192956
[pid=1580] ppid=1578 vsize=6036 CPUtime=0.05
/proc/1580/stat : 1580 (xsolve) R 1578 1580 32315 0 -1 4194304 809 0 0 0 5 0 0 0 18 0 1 0 245358650 6180864 775 996147200 134512640 135239763 4294956208 18446744073709551615 3036795 0 0 4096 0 0 0 0 17 0 0 0
/proc/1580/statm: 1509 776 376 177 0 412 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 6036

[startup+0.10125 s]
/proc/loadavg: 1.99 2.00 1.91 4/74 1580
/proc/meminfo: memFree=1800088/2055920 swapFree=4181172/4192956
[pid=1580] ppid=1578 vsize=6728 CPUtime=0.09
/proc/1580/stat : 1580 (xsolve) R 1578 1580 32315 0 -1 4194304 990 0 0 0 9 0 0 0 18 0 1 0 245358650 6889472 956 996147200 134512640 135239763 4294956208 18446744073709551615 3036795 0 0 4096 0 0 0 0 17 0 0 0
/proc/1580/statm: 1682 956 376 177 0 585 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6728

[startup+0.301287 s]
/proc/loadavg: 1.99 2.00 1.91 4/74 1580
/proc/meminfo: memFree=1800088/2055920 swapFree=4181172/4192956
[pid=1580] ppid=1578 vsize=14976 CPUtime=0.29
/proc/1580/stat : 1580 (xsolve) R 1578 1580 32315 0 -1 4194304 3048 0 0 0 28 1 0 0 19 0 1 0 245358650 15335424 3014 996147200 134512640 135239763 4294956208 18446744073709551615 134840339 0 0 4096 0 0 0 0 17 0 0 0
/proc/1580/statm: 3744 3014 413 177 0 2647 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 14976

[startup+0.701366 s]
/proc/loadavg: 1.99 2.00 1.91 4/74 1580
/proc/meminfo: memFree=1800088/2055920 swapFree=4181172/4192956
[pid=1580] ppid=1578 vsize=14976 CPUtime=0.69
/proc/1580/stat : 1580 (xsolve) R 1578 1580 32315 0 -1 4194304 3048 0 0 0 68 1 0 0 23 0 1 0 245358650 15335424 3014 996147200 134512640 135239763 4294956208 18446744073709551615 135030839 0 0 4096 0 0 0 0 17 0 0 0
/proc/1580/statm: 3744 3014 413 177 0 2647 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 14976

[startup+1.50252 s]
/proc/loadavg: 1.99 2.00 1.91 3/75 1581
/proc/meminfo: memFree=1789584/2055920 swapFree=4181172/4192956
[pid=1580] ppid=1578 vsize=14976 CPUtime=1.49
/proc/1580/stat : 1580 (xsolve) R 1578 1580 32315 0 -1 4194304 3064 0 0 0 148 1 0 0 25 0 1 0 245358650 15335424 3030 996147200 134512640 135239763 4294956208 18446744073709551615 135096142 0 0 4096 0 0 0 0 17 0 0 0
/proc/1580/statm: 3744 3030 413 177 0 2647 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14976

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

[startup+1.9016 s]
/proc/loadavg: 1.99 2.00 1.91 3/75 1581
/proc/meminfo: memFree=1789584/2055920 swapFree=4181172/4192956
[pid=1580] ppid=1578 vsize=14976 CPUtime=1.89
/proc/1580/stat : 1580 (xsolve) R 1578 1580 32315 0 -1 4194304 3064 0 0 0 188 1 0 0 25 0 1 0 245358650 15335424 3030 996147200 134512640 135239763 4294956208 18446744073709551615 134833888 0 0 4096 0 0 0 0 17 0 0 0
/proc/1580/statm: 3744 3030 413 177 0 2647 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 14976

[startup+2.10164 s]
/proc/loadavg: 1.99 2.00 1.91 3/75 1581
/proc/meminfo: memFree=1789392/2055920 swapFree=4181172/4192956
[pid=1580] ppid=1578 vsize=14976 CPUtime=2.09
/proc/1580/stat : 1580 (xsolve) R 1578 1580 32315 0 -1 4194304 3064 0 0 0 208 1 0 0 25 0 1 0 245358650 15335424 3030 996147200 134512640 135239763 4294956208 18446744073709551615 134834160 0 0 4096 0 0 0 0 17 0 0 0
/proc/1580/statm: 3744 3030 413 177 0 2647 0
Current children cumulated CPU time (s) 2.09
Current children cumulated vsize (KiB) 14976

[startup+2.20566 s]
/proc/loadavg: 1.99 2.00 1.91 3/75 1581
/proc/meminfo: memFree=1789392/2055920 swapFree=4181172/4192956
[pid=1580] ppid=1578 vsize=14976 CPUtime=2.19
/proc/1580/stat : 1580 (xsolve) R 1578 1580 32315 0 -1 4194304 3064 0 0 0 218 1 0 0 25 0 1 0 245358650 15335424 3030 996147200 134512640 135239763 4294956208 18446744073709551615 134835658 0 0 4096 0 0 0 0 17 0 0 0
/proc/1580/statm: 3744 3030 413 177 0 2647 0
Current children cumulated CPU time (s) 2.19
Current children cumulated vsize (KiB) 14976

Child status: 0
Real time (s): 2.27041
CPU time (s): 2.26865
CPU user time (s): 2.24866
CPU system time (s): 0.019996
CPU usage (%): 99.9225
Max. virtual memory (cumulated for all children) (KiB): 14976

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.24866
system time used= 0.019996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3097
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= 7
involuntary context switches= 13

runsolver used 0.003999 second user time and 0.012998 second system time

The end

Launcher Data (download as text)

Begin job on node85 at 2008-07-03 02:15:59
IDJOB=1048831
IDBENCH=54518
IDSOLVER=357
FILE ID=node85/1048831-1215044159
PBS_JOBID= 7875008
Free space on /tmp= 126848 MiB

SOLVER NAME= Mistral-option 1.314
BENCH NAME= CPAI08/csp/pseudo/ssa/normalized-ssa-7552-160.xml
COMMAND LINE= HOME/xsolve BENCHNAME -heu dyn -sac 3 -ds 2 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1048831-1215044159/watcher-1048831-1215044159 -o /tmp/evaluation-result-1048831-1215044159/solver-1048831-1215044159 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1048831-1215044159.xml -heu dyn -sac 3 -ds 2 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= e598d7a1d43cd9ef4a8450c20f329ea5
RANDOM SEED=287490250

node85.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		: 3000.272
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		: 3000.272
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1800568 kB
Buffers:         28692 kB
Cached:         146044 kB
SwapCached:       5532 kB
Active:          78964 kB
Inactive:       116368 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1800568 kB
SwapTotal:     4192956 kB
SwapFree:      4181172 kB
Dirty:            1620 kB
Writeback:           0 kB
Mapped:          27224 kB
Slab:            45712 kB
Committed_AS:   572220 kB
PageTables:       1532 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= 126848 MiB
End job on node85 at 2008-07-03 02:16:02