Trace number 1100611

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-prime 1.313UNSAT 0.944855 0.956635

DiagnosticValue
ASSIGNMENTS899
CHECKS206021

General information on the benchmark

Namecsp/tightness0.9/
normalized-rand-2-40-180-84-900-93_ext.xml
MD5SUM891b7ac12db688afc51d70a7c6a04c31
Bench Category2-ARY-EXT (binary constraints in extension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.84887
Satisfiable
(Un)Satisfiability was proved
Number of variables40
Number of constraints84
Maximum constraint arity2
Maximum domain size180
Number of constraints which are defined in extension84
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.12	c mistral-prime version 1.313
0.88/0.93	s UNSATISFIABLE
0.88/0.93	d CHECKS 206021
0.88/0.93	d ASSIGNMENTS 899

Verifier Data (download as text)

No possible verification on an UNSAT instance

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-1100611-1215287454/watcher-1100611-1215287454 -o /tmp/evaluation-result-1100611-1215287454/solver-1100611-1215287454 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1100611-1215287454.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): 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: 1.93 2.01 1.99 4/81 26731
/proc/meminfo: memFree=1677872/2055920 swapFree=4137356/4192956
[pid=26731] ppid=26729 vsize=816 CPUtime=0
/proc/26731/stat : 26731 (xsolve) R 26729 26731 23877 0 -1 4194304 39 0 0 0 0 0 0 0 19 0 1 0 1013200356 835584 25 996147200 134512640 135237403 4294956240 18446744073709551615 12591908 0 2147483391 4096 0 0 0 0 17 1 0 0
/proc/26731/statm: 204 25 19 176 0 3 0

[startup+0.211041 s]
/proc/loadavg: 1.93 2.01 1.99 4/81 26731
/proc/meminfo: memFree=1677872/2055920 swapFree=4137356/4192956
[pid=26731] ppid=26729 vsize=8964 CPUtime=0.19
/proc/26731/stat : 26731 (xsolve) R 26729 26731 23877 0 -1 4194304 1532 0 0 0 19 0 0 0 19 0 1 0 1013200356 9179136 1498 996147200 134512640 135237403 4294956240 18446744073709551615 134524395 0 0 4096 0 0 0 0 17 1 0 0
/proc/26731/statm: 2241 1498 354 176 0 1145 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 8964

[startup+0.301049 s]
/proc/loadavg: 1.93 2.01 1.99 4/81 26731
/proc/meminfo: memFree=1677872/2055920 swapFree=4137356/4192956
[pid=26731] ppid=26729 vsize=11480 CPUtime=0.29
/proc/26731/stat : 26731 (xsolve) R 26729 26731 23877 0 -1 4194304 2208 0 0 0 28 1 0 0 19 0 1 0 1013200356 11755520 2174 996147200 134512640 135237403 4294956240 18446744073709551615 135017058 0 0 4096 0 0 0 0 17 1 0 0
/proc/26731/statm: 2870 2174 397 176 0 1774 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11480

[startup+0.401056 s]
/proc/loadavg: 1.93 2.01 1.99 4/81 26731
/proc/meminfo: memFree=1677872/2055920 swapFree=4137356/4192956
[pid=26731] ppid=26729 vsize=11484 CPUtime=0.39
/proc/26731/stat : 26731 (xsolve) R 26729 26731 23877 0 -1 4194304 2209 0 0 0 38 1 0 0 20 0 1 0 1013200356 11759616 2175 996147200 134512640 135237403 4294956240 18446744073709551615 135093632 0 0 4096 0 0 0 0 17 1 0 0
/proc/26731/statm: 2871 2175 397 176 0 1775 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 11484

[startup+0.701079 s]
/proc/loadavg: 1.93 2.01 1.99 4/81 26731
/proc/meminfo: memFree=1677872/2055920 swapFree=4137356/4192956
[pid=26731] ppid=26729 vsize=11492 CPUtime=0.68
/proc/26731/stat : 26731 (xsolve) R 26729 26731 23877 0 -1 4194304 2211 0 0 0 67 1 0 0 23 0 1 0 1013200356 11767808 2177 996147200 134512640 135237403 4294956240 18446744073709551615 135017001 0 0 4096 0 0 0 0 17 1 0 0
/proc/26731/statm: 2873 2177 397 176 0 1777 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 11492

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

[startup+0.901094 s]
/proc/loadavg: 1.93 2.01 1.99 4/81 26731
/proc/meminfo: memFree=1677872/2055920 swapFree=4137356/4192956
[pid=26731] ppid=26729 vsize=11496 CPUtime=0.88
/proc/26731/stat : 26731 (xsolve) R 26729 26731 23877 0 -1 4194304 2212 0 0 0 87 1 0 0 25 0 1 0 1013200356 11771904 2178 996147200 134512640 135237403 4294956240 18446744073709551615 135028869 0 0 4096 0 0 0 0 17 1 0 0
/proc/26731/statm: 2874 2178 397 176 0 1778 0
Current children cumulated CPU time (s) 0.88
Current children cumulated vsize (KiB) 11496

Child status: 0
Real time (s): 0.956635
CPU time (s): 0.944855
CPU user time (s): 0.928858
CPU system time (s): 0.015997
CPU usage (%): 98.7686
Max. virtual memory (cumulated for all children) (KiB): 11496

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.928858
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= 2229
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= 41

runsolver used 0.001999 second user time and 0.007998 second system time

The end

Launcher Data (download as text)

Begin job on node26 at 2008-07-05 21:50:54
IDJOB=1100611
IDBENCH=59945
IDSOLVER=358
FILE ID=node26/1100611-1215287454
PBS_JOBID= 7882224
Free space on /tmp= 66468 MiB

SOLVER NAME= Mistral-prime 1.313
BENCH NAME= CPAI08/csp/tightness0.9/normalized-rand-2-40-180-84-900-93_ext.xml
COMMAND LINE= HOME/xsolve BENCHNAME 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1100611-1215287454/watcher-1100611-1215287454 -o /tmp/evaluation-result-1100611-1215287454/solver-1100611-1215287454 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1100611-1215287454.xml 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 891b7ac12db688afc51d70a7c6a04c31
RANDOM SEED=868012690

node26.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		: 3000.221
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		: 3000.221
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:       1678288 kB
Buffers:         53676 kB
Cached:         192220 kB
SwapCached:      49428 kB
Active:         231268 kB
Inactive:        91876 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1678288 kB
SwapTotal:     4192956 kB
SwapFree:      4137356 kB
Dirty:            2740 kB
Writeback:           0 kB
Mapped:          93316 kB
Slab:            39532 kB
Committed_AS:  1821908 kB
PageTables:       1924 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= 66468 MiB
End job on node26 at 2008-07-05 21:50:55