Trace number 1048852

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 2.88656 2.91943

DiagnosticValue
ASSIGNMENTS7016
CHECKS652881

General information on the benchmark

Namecsp/pseudo/ssa/
normalized-ssa-7552-158.xml
MD5SUMb5419cd38c56b51438d95cb41aa25f00
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 benchmark0.25996
Satisfiable
(Un)Satisfiability was proved
Number of variables2726
Number of constraints4393
Maximum constraint arity5
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension4393
Global constraints used (with number of constraints)

Solver Data (download as text)

0.09/0.10	c mistral-option version 1.313
2.77/2.88	s SATISFIABLE
2.77/2.88	v 1 0 0 0 0 1 1 0 0 0 0 1 0 1 0 0 1 0 0 1 0 1 0 0 0 1 1 0 0 0 0 1 1 0 0 1 0 1 0 1 1 0 0 0 0 0 0 1 1 0 0 1 1 0 0 1 0 0 0 0 1 0 1 0 1 0 1 0 0 1 0 0 0 1 0 0 0 1 1 0 1 0 1 0 0 0 0 1 0 1 1 0 0 1 0 1 0 0 0 1 0 1 0 0 1 0 1 0 0 1 1 0 0 1 1 0 1 0 0 0 1 0 0 1 1 0 0 1 0 0 0 1 1 0 0 1 0 1 0 1 1 0 1 0 1 0 1 0 0 1 0 1 0 0 0 1 1 0 0 1 0 1 0 1 1 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 1 0 1 1 0 0 1 0 0 0 1 0 0 0 0 0 1 0 0 1 0 1 0 0 1 1 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1 0 0 0 1 0 1 1 0 1 0 1 0 1 0 0 1 0 1 0 1 1 0 1 0 0 1 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 0 1 0 1 0 1 0 1 0 1 0 1 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 1 0 1 0 0 1 0 1 1 0 1 0 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 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 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 1 0 1 0 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 1 1 0 1 0 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 1 0 1 0 0 1 1 0 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0 1 0 1 0 1 1 0 0 1 0 1 0 1 1 0 1 0 1 0 0 1 0 1 1 0 0 1 1 0 0 1 1 0 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 0 1 1 0 1 0 0 1 0 1 1 0 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 1 1 0 1 0 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 1 0 1 0 0 1 0 1 0 1 1 0 1 0 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 0 1 1 0 0 1 1 0 0 1 1 0 1 0 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 1 0 1 0 0 1 1 0 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 1 0 0 1 1 0 1 0
2.77/2.88	d CHECKS 652881
2.77/2.88	d ASSIGNMENTS 7016

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-1048852-1215044175/watcher-1048852-1215044175 -o /tmp/evaluation-result-1048852-1215044175/solver-1048852-1215044175 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1048852-1215044175.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: 2.21 2.04 1.95 4/81 9368
/proc/meminfo: memFree=1768240/2055920 swapFree=4180972/4192956
[pid=9368] ppid=9366 vsize=820 CPUtime=0
/proc/9368/stat : 9368 (xsolve) R 9366 9368 8194 0 -1 4194304 39 0 0 0 0 0 0 0 19 0 1 0 1983392167 839680 25 996147200 134512640 135239763 4294956208 18446744073709551615 7512868 0 2147483391 4096 0 0 0 0 17 1 0 0
/proc/9368/statm: 205 25 19 177 0 3 0

[startup+0.0922001 s]
/proc/loadavg: 2.21 2.04 1.95 4/81 9368
/proc/meminfo: memFree=1768240/2055920 swapFree=4180972/4192956
[pid=9368] ppid=9366 vsize=6456 CPUtime=0.08
/proc/9368/stat : 9368 (xsolve) R 9366 9368 8194 0 -1 4194304 902 0 0 0 8 0 0 0 19 0 1 0 1983392167 6610944 868 996147200 134512640 135239763 4294956208 18446744073709551615 134943273 0 0 4096 0 0 0 0 17 1 0 0
/proc/9368/statm: 1614 868 376 177 0 517 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 6456

[startup+0.102198 s]
/proc/loadavg: 2.21 2.04 1.95 4/81 9368
/proc/meminfo: memFree=1768240/2055920 swapFree=4180972/4192956
[pid=9368] ppid=9366 vsize=6588 CPUtime=0.09
/proc/9368/stat : 9368 (xsolve) R 9366 9368 8194 0 -1 4194304 941 0 0 0 9 0 0 0 19 0 1 0 1983392167 6746112 907 996147200 134512640 135239763 4294956208 18446744073709551615 4159001166 0 0 4096 0 0 0 0 17 1 0 0
/proc/9368/statm: 1647 907 376 177 0 550 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6588

[startup+0.301223 s]
/proc/loadavg: 2.21 2.04 1.95 4/81 9368
/proc/meminfo: memFree=1768240/2055920 swapFree=4180972/4192956
[pid=9368] ppid=9366 vsize=13848 CPUtime=0.29
/proc/9368/stat : 9368 (xsolve) R 9366 9368 8194 0 -1 4194304 2779 0 0 0 28 1 0 0 21 0 1 0 1983392167 14180352 2745 996147200 134512640 135239763 4294956208 18446744073709551615 135096129 0 0 4096 0 0 0 0 17 1 0 0
/proc/9368/statm: 3462 2745 413 177 0 2365 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 13848

[startup+0.70126 s]
/proc/loadavg: 2.21 2.04 1.95 4/81 9368
/proc/meminfo: memFree=1768240/2055920 swapFree=4180972/4192956
[pid=9368] ppid=9366 vsize=14004 CPUtime=0.68
/proc/9368/stat : 9368 (xsolve) R 9366 9368 8194 0 -1 4194304 2785 0 0 0 67 1 0 0 25 0 1 0 1983392167 14340096 2751 996147200 134512640 135239763 4294956208 18446744073709551615 135097609 0 0 4096 0 0 0 0 17 1 0 0
/proc/9368/statm: 3501 2751 413 177 0 2404 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 14004

[startup+1.50233 s]
/proc/loadavg: 2.21 2.04 1.95 3/82 9369
/proc/meminfo: memFree=1758760/2055920 swapFree=4180972/4192956
[pid=9368] ppid=9366 vsize=14004 CPUtime=1.48
/proc/9368/stat : 9368 (xsolve) R 9366 9368 8194 0 -1 4194304 2785 0 0 0 147 1 0 0 25 0 1 0 1983392167 14340096 2751 996147200 134512640 135239763 4294956208 18446744073709551615 134543129 0 0 4096 0 0 0 0 17 1 0 0
/proc/9368/statm: 3501 2751 413 177 0 2404 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 14004

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

[startup+2.3024 s]
/proc/loadavg: 2.20 2.03 1.95 3/82 9369
/proc/meminfo: memFree=1758632/2055920 swapFree=4180972/4192956
[pid=9368] ppid=9366 vsize=14004 CPUtime=2.27
/proc/9368/stat : 9368 (xsolve) R 9366 9368 8194 0 -1 4194304 2799 0 0 0 226 1 0 0 25 0 1 0 1983392167 14340096 2765 996147200 134512640 135239763 4294956208 18446744073709551615 134833897 0 0 4096 0 0 0 0 17 1 0 0
/proc/9368/statm: 3501 2765 413 177 0 2404 0
Current children cumulated CPU time (s) 2.27
Current children cumulated vsize (KiB) 14004

[startup+2.70144 s]
/proc/loadavg: 2.20 2.03 1.95 3/82 9369
/proc/meminfo: memFree=1758632/2055920 swapFree=4180972/4192956
[pid=9368] ppid=9366 vsize=14004 CPUtime=2.67
/proc/9368/stat : 9368 (xsolve) R 9366 9368 8194 0 -1 4194304 2799 0 0 0 266 1 0 0 25 0 1 0 1983392167 14340096 2765 996147200 134512640 135239763 4294956208 18446744073709551615 135035087 0 0 4096 0 0 0 0 17 1 0 0
/proc/9368/statm: 3501 2765 413 177 0 2404 0
Current children cumulated CPU time (s) 2.67
Current children cumulated vsize (KiB) 14004

[startup+2.90146 s]
/proc/loadavg: 2.20 2.03 1.95 3/82 9369
/proc/meminfo: memFree=1758632/2055920 swapFree=4180972/4192956
[pid=9368] ppid=9366 vsize=14004 CPUtime=2.86
/proc/9368/stat : 9368 (xsolve) R 9366 9368 8194 0 -1 4194304 2810 0 0 0 285 1 0 0 25 0 1 0 1983392167 14340096 2776 996147200 134512640 135239763 4294956208 18446744073709551615 7942253 0 0 4096 0 0 0 0 17 1 0 0
/proc/9368/statm: 3501 2776 421 177 0 2404 0
Current children cumulated CPU time (s) 2.86
Current children cumulated vsize (KiB) 14004

Child status: 0
Real time (s): 2.91943
CPU time (s): 2.88656
CPU user time (s): 2.87056
CPU system time (s): 0.015997
CPU usage (%): 98.874
Max. virtual memory (cumulated for all children) (KiB): 14004

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.87056
system time used= 0.015997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2818
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= 123

runsolver used 0.009998 second user time and 0.011998 second system time

The end

Launcher Data (download as text)

Begin job on node15 at 2008-07-03 02:16:15
IDJOB=1048852
IDBENCH=54519
IDSOLVER=357
FILE ID=node15/1048852-1215044175
PBS_JOBID= 7875144
Free space on /tmp= 66552 MiB

SOLVER NAME= Mistral-option 1.314
BENCH NAME= CPAI08/csp/pseudo/ssa/normalized-ssa-7552-158.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-1048852-1215044175/watcher-1048852-1215044175 -o /tmp/evaluation-result-1048852-1215044175/solver-1048852-1215044175 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1048852-1215044175.xml -heu dyn -sac 3 -ds 2 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= b5419cd38c56b51438d95cb41aa25f00
RANDOM SEED=1257381495

node15.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		: 3000.229
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		: 3000.229
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:       1768720 kB
Buffers:         34176 kB
Cached:         147280 kB
SwapCached:       6020 kB
Active:         146392 kB
Inactive:        70052 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1768720 kB
SwapTotal:     4192956 kB
SwapFree:      4180972 kB
Dirty:            1996 kB
Writeback:           0 kB
Mapped:          51260 kB
Slab:            55728 kB
Committed_AS:  3443340 kB
PageTables:       2044 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= 66548 MiB
End job on node15 at 2008-07-03 02:16:18