Trace number 1098730

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
MDG-probe 2008-06-27UNSAT 27.6188 27.7317

DiagnosticValue
ASSIGNMENTS222006
CHECKS118911000

General information on the benchmark

Namecsp/rand-2-40-19/
normalized-rand-2-40-19-443-230-13_ext.xml
MD5SUM651c62c6961ea46c870b8699d9d0bf8b
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 benchmark27.6188
Satisfiable
(Un)Satisfiability was proved
Number of variables40
Number of constraints342
Maximum constraint arity2
Maximum domain size19
Number of constraints which are defined in extension342
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.00	c mistral-prime version 1.313
0.00/0.00	c 
0.00/0.00	c Parsing xml file
0.00/0.00	c          domains...............     0	(1 domains)
0.00/0.00	c          variables.............     0	(40 variables)
0.00/0.00	c          relations.............  0.02	(342 relations)
0.01/0.03	c          constraints...........  0.01	(342 constraints)
0.01/0.04	c Parsing time:   0.03
0.01/0.04	c
0.01/0.04	c Building model
0.01/0.05	c         0 constants
0.01/0.05	c         0 Boolean variables    (+0)
0.01/0.05	c         0 range variables      (+0)
0.01/0.05	c         0 domain (b) variables (+0)
0.01/0.05	c        40 domain (l) variables (+0)
0.01/0.05	c       342 constraints          (+0)
0.01/0.05	c         0 values 
0.01/0.05	c Building time:   0.01
0.01/0.05	c
0.01/0.05	c Solving instance
0.01/0.05	c          heuristic = dom/wdeg
0.01/0.05	c          Randomized probing iteration = 100
0.01/0.05	c          probing limit = 30
0.01/0.05	c          level based weights = no
0.01/0.05	c          impact probing = no
0.01/0.05	c          restart policy = No restart
0.01/0.05	c          probing ..........  0.27
0.28/0.33	c          Probing Nodes  3676
0.28/0.33	c          final run   27.3
27.58/27.72	c Solving time:  27.57
27.58/27.72	c
27.58/27.72	s UNSATISFIABLE
27.58/27.72	d CHECKS 118911268
27.58/27.72	d ASSIGNMENTS 222006

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-1098730-1215285108/watcher-1098730-1215285108 -o /tmp/evaluation-result-1098730-1215285108/solver-1098730-1215285108 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1098730-1215285108.xml -v 1 -rs 834034234 -probe 1 -ph 0 -heu dom/wdeg -res no 

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: 2.15 2.02 2.01 4/74 17449
/proc/meminfo: memFree=1331360/2055920 swapFree=4179560/4192956
[pid=17449] ppid=17447 vsize=4584 CPUtime=0
/proc/17449/stat : 17449 (xsolve) R 17447 17449 16047 0 -1 4194304 343 0 0 0 0 0 0 0 18 0 1 0 2007485881 4694016 309 996147200 134512640 135239859 4294956144 18446744073709551615 4159877344 0 0 4096 0 0 0 0 17 0 0 0
/proc/17449/statm: 1146 320 274 177 0 49 0

[startup+0.0220909 s]
/proc/loadavg: 2.15 2.02 2.01 4/74 17449
/proc/meminfo: memFree=1331360/2055920 swapFree=4179560/4192956
[pid=17449] ppid=17447 vsize=4988 CPUtime=0.01
/proc/17449/stat : 17449 (xsolve) R 17447 17449 16047 0 -1 4194304 565 0 0 0 1 0 0 0 18 0 1 0 2007485881 5107712 531 996147200 134512640 135239859 4294956144 18446744073709551615 3741307 0 0 4096 0 0 0 0 17 0 0 0
/proc/17449/statm: 1247 531 373 177 0 150 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 4988

[startup+0.102099 s]
/proc/loadavg: 2.15 2.02 2.01 4/74 17449
/proc/meminfo: memFree=1331360/2055920 swapFree=4179560/4192956
[pid=17449] ppid=17447 vsize=5912 CPUtime=0.09
/proc/17449/stat : 17449 (xsolve) R 17447 17449 16047 0 -1 4194304 839 0 0 0 9 0 0 0 18 0 1 0 2007485881 6053888 805 996147200 134512640 135239859 4294956144 18446744073709551615 134789647 0 0 4096 0 0 0 0 17 0 0 0
/proc/17449/statm: 1478 805 409 177 0 381 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5912

[startup+0.302116 s]
/proc/loadavg: 2.15 2.02 2.01 4/74 17449
/proc/meminfo: memFree=1331360/2055920 swapFree=4179560/4192956
[pid=17449] ppid=17447 vsize=5912 CPUtime=0.28
/proc/17449/stat : 17449 (xsolve) R 17447 17449 16047 0 -1 4194304 839 0 0 0 28 0 0 0 19 0 1 0 2007485881 6053888 805 996147200 134512640 135239859 4294956144 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 0 0 0
/proc/17449/statm: 1478 805 409 177 0 381 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 5912

[startup+0.702154 s]
/proc/loadavg: 2.15 2.02 2.01 4/74 17449
/proc/meminfo: memFree=1331360/2055920 swapFree=4179560/4192956
[pid=17449] ppid=17447 vsize=5912 CPUtime=0.68
/proc/17449/stat : 17449 (xsolve) R 17447 17449 16047 0 -1 4194304 841 0 0 0 68 0 0 0 23 0 1 0 2007485881 6053888 807 996147200 134512640 135239859 4294956144 18446744073709551615 134820704 0 0 4096 0 0 0 0 17 0 0 0
/proc/17449/statm: 1478 807 411 177 0 381 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 5912

[startup+1.50123 s]
/proc/loadavg: 2.15 2.02 2.01 3/75 17450
/proc/meminfo: memFree=1329752/2055920 swapFree=4179560/4192956
[pid=17449] ppid=17447 vsize=5912 CPUtime=1.48
/proc/17449/stat : 17449 (xsolve) R 17447 17449 16047 0 -1 4194304 841 0 0 0 148 0 0 0 25 0 1 0 2007485881 6053888 807 996147200 134512640 135239859 4294956144 18446744073709551615 135095822 0 0 4096 0 0 0 0 17 0 0 0
/proc/17449/statm: 1478 807 411 177 0 381 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 5912

[startup+3.10138 s]
/proc/loadavg: 2.15 2.02 2.01 3/75 17450
/proc/meminfo: memFree=1329560/2055920 swapFree=4179560/4192956
[pid=17449] ppid=17447 vsize=5912 CPUtime=3.07
/proc/17449/stat : 17449 (xsolve) R 17447 17449 16047 0 -1 4194304 841 0 0 0 307 0 0 0 25 0 1 0 2007485881 6053888 807 996147200 134512640 135239859 4294956144 18446744073709551615 135030995 0 0 4096 0 0 0 0 17 0 0 0
/proc/17449/statm: 1478 807 411 177 0 381 0
Current children cumulated CPU time (s) 3.07
Current children cumulated vsize (KiB) 5912

[startup+6.30169 s]
/proc/loadavg: 2.14 2.02 2.00 3/75 17450
/proc/meminfo: memFree=1329496/2055920 swapFree=4179560/4192956
[pid=17449] ppid=17447 vsize=5912 CPUtime=6.26
/proc/17449/stat : 17449 (xsolve) R 17447 17449 16047 0 -1 4194304 841 0 0 0 626 0 0 0 25 0 1 0 2007485881 6053888 807 996147200 134512640 135239859 4294956144 18446744073709551615 134789669 0 0 4096 0 0 0 0 17 0 0 0
/proc/17449/statm: 1478 807 411 177 0 381 0
Current children cumulated CPU time (s) 6.26
Current children cumulated vsize (KiB) 5912

[startup+12.7013 s]
/proc/loadavg: 2.13 2.02 2.00 3/75 17450
/proc/meminfo: memFree=1329368/2055920 swapFree=4179560/4192956
[pid=17449] ppid=17447 vsize=5912 CPUtime=12.63
/proc/17449/stat : 17449 (xsolve) R 17447 17449 16047 0 -1 4194304 841 0 0 0 1263 0 0 0 25 0 1 0 2007485881 6053888 807 996147200 134512640 135239859 4294956144 18446744073709551615 135103212 0 0 4096 0 0 0 0 17 0 0 0
/proc/17449/statm: 1478 807 411 177 0 381 0
Current children cumulated CPU time (s) 12.63
Current children cumulated vsize (KiB) 5912

[startup+25.5015 s]
/proc/loadavg: 2.10 2.02 2.00 3/75 17450
/proc/meminfo: memFree=1329368/2055920 swapFree=4179560/4192956
[pid=17449] ppid=17447 vsize=5912 CPUtime=25.39
/proc/17449/stat : 17449 (xsolve) R 17447 17449 16047 0 -1 4194304 841 0 0 0 2538 1 0 0 25 0 1 0 2007485881 6053888 807 996147200 134512640 135239859 4294956144 18446744073709551615 135103192 0 0 4096 0 0 0 0 17 0 0 0
/proc/17449/statm: 1478 807 411 177 0 381 0
Current children cumulated CPU time (s) 25.39
Current children cumulated vsize (KiB) 5912

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

[startup+27.1017 s]
/proc/loadavg: 2.10 2.02 2.00 3/75 17450
/proc/meminfo: memFree=1329368/2055920 swapFree=4179560/4192956
[pid=17449] ppid=17447 vsize=5912 CPUtime=26.99
/proc/17449/stat : 17449 (xsolve) R 17447 17449 16047 0 -1 4194304 841 0 0 0 2698 1 0 0 25 0 1 0 2007485881 6053888 807 996147200 134512640 135239859 4294956144 18446744073709551615 135095816 0 0 4096 0 0 0 0 17 0 0 0
/proc/17449/statm: 1478 807 411 177 0 381 0
Current children cumulated CPU time (s) 26.99
Current children cumulated vsize (KiB) 5912

[startup+27.5057 s]
/proc/loadavg: 2.10 2.02 2.00 3/75 17450
/proc/meminfo: memFree=1329368/2055920 swapFree=4179560/4192956
[pid=17449] ppid=17447 vsize=5912 CPUtime=27.39
/proc/17449/stat : 17449 (xsolve) R 17447 17449 16047 0 -1 4194304 841 0 0 0 2738 1 0 0 25 0 1 0 2007485881 6053888 807 996147200 134512640 135239859 4294956144 18446744073709551615 135103206 0 0 4096 0 0 0 0 17 0 0 0
/proc/17449/statm: 1478 807 411 177 0 381 0
Current children cumulated CPU time (s) 27.39
Current children cumulated vsize (KiB) 5912

[startup+27.7017 s]
/proc/loadavg: 2.10 2.02 2.00 3/75 17450
/proc/meminfo: memFree=1329368/2055920 swapFree=4179560/4192956
[pid=17449] ppid=17447 vsize=5912 CPUtime=27.58
/proc/17449/stat : 17449 (xsolve) R 17447 17449 16047 0 -1 4194304 841 0 0 0 2757 1 0 0 25 0 1 0 2007485881 6053888 807 996147200 134512640 135239859 4294956144 18446744073709551615 135087769 0 0 4096 0 0 0 0 17 0 0 0
/proc/17449/statm: 1478 807 411 177 0 381 0
Current children cumulated CPU time (s) 27.58
Current children cumulated vsize (KiB) 5912

Child status: 0
Real time (s): 27.7317
CPU time (s): 27.6188
CPU user time (s): 27.6068
CPU system time (s): 0.011998
CPU usage (%): 99.5929
Max. virtual memory (cumulated for all children) (KiB): 5912

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 27.6068
system time used= 0.011998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 853
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= 438

runsolver used 0.034994 second user time and 0.073988 second system time

The end

Launcher Data (download as text)

Begin job on node8 at 2008-07-05 21:11:48
IDJOB=1098730
IDBENCH=59656
IDSOLVER=342
FILE ID=node8/1098730-1215285108
PBS_JOBID= 7882286
Free space on /tmp= 66332 MiB

SOLVER NAME= MDG-probe 2008-06-27
BENCH NAME= CPAI08/csp/rand-2-40-19/normalized-rand-2-40-19-443-230-13_ext.xml
COMMAND LINE= HOME/xsolve BENCHNAME -v 1 -rs RANDOMSEED -probe 1 -ph 0 -heu dom/wdeg -res no
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1098730-1215285108/watcher-1098730-1215285108 -o /tmp/evaluation-result-1098730-1215285108/solver-1098730-1215285108 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1098730-1215285108.xml -v 1 -rs 834034234 -probe 1 -ph 0 -heu dom/wdeg -res no

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 651c62c6961ea46c870b8699d9d0bf8b
RANDOM SEED=834034234

node8.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		: 3000.222
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		: 3000.222
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:       1331840 kB
Buffers:         93468 kB
Cached:         487220 kB
SwapCached:       6900 kB
Active:         288676 kB
Inactive:       371140 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1331840 kB
SwapTotal:     4192956 kB
SwapFree:      4179560 kB
Dirty:            1148 kB
Writeback:           0 kB
Mapped:          85504 kB
Slab:            49384 kB
Committed_AS:  3475964 kB
PageTables:       1860 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= 66332 MiB
End job on node8 at 2008-07-05 21:12:16