Trace number 1073295

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 2008-06-27SAT 5.43817 5.46945

DiagnosticValue
ASSIGNMENTS3221
CHECKS1190170

General information on the benchmark

Namecsp/bmc/
normalized-bmc-ibm-01-08.xml
MD5SUM0c9002fa5828e7988c1ebba4c2893b17
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 benchmark5.18421
Satisfiable
(Un)Satisfiability was proved
Number of variables9685
Number of constraints65555
Maximum constraint arity39
Maximum domain size8
Number of constraints which are defined in extension0
Number of constraints which are defined in intension65555
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.03	c mistral-prime version 1.313
0.00/0.03	c 
0.00/0.03	c Parsing xml file
0.00/0.03	c          domains...............     0	(1 domains)
0.00/0.03	c          variables.............  0.06	(9685 variables)
0.03/0.08	c          predicates............  0.02	(180 predicates)
0.08/0.10	c          constraints...........  2.82	(65555 constraints)
2.86/2.93	c Parsing time:    2.9
2.86/2.93	c
2.86/2.93	c Building model
2.97/3.01	c         0 AllDifferent constraints infered
3.37/3.41	c         0 constants
3.37/3.41	c      9681 Boolean variables    (+0)
3.37/3.41	c         0 range variables      (+44202)
3.37/3.41	c         0 domain (b) variables (+3591)
3.37/3.41	c         0 domain (l) variables (+0)
3.37/3.41	c     52275 constraints          (+47793)
3.37/3.41	c         0 values 
3.37/3.41	c Building time:   0.48
3.37/3.41	c
3.37/3.41	c Solving instance
3.37/3.41	c          heuristic = dom/wdeg
3.37/3.41	c          Randomized probing iteration = 100
3.37/3.41	c          probing limit = 30
3.37/3.41	c          level based weights = no
3.37/3.41	c          impact probing = no
3.37/3.41	c          restart policy = No restart
3.37/3.41	c          probing .  1.47
4.76/4.88	c          Probing Nodes  3221
4.76/4.88	c Solving time:   1.47
4.76/4.88	c
4.76/4.88	s SATISFIABLE
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4.76/4.89	d CHECKS 1190171
4.76/4.89	d ASSIGNMENTS 3221

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-1073295-1215176962/watcher-1073295-1215176962 -o /tmp/evaluation-result-1073295-1215176962/solver-1073295-1215176962 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1073295-1215176962.xml -v 1 -rs 472317665 -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: 2.10 2.19 2.09 4/80 3215
/proc/meminfo: memFree=1363736/2055920 swapFree=4180452/4192956
[pid=3215] ppid=3213 vsize=18572 CPUtime=0
/proc/3215/stat : 3215 (runsolver) R 3213 3215 1734 0 -1 4194368 15 0 0 0 0 0 0 0 20 0 1 0 1996670076 19017728 292 996147200 4194304 4296836 548682068336 18446744073709551615 221780700455 0 0 4096 24578 0 0 0 17 1 0 0
/proc/3215/statm: 4643 292 257 25 0 2626 0

[startup+0.0450801 s]
/proc/loadavg: 2.10 2.19 2.09 4/80 3215
/proc/meminfo: memFree=1363736/2055920 swapFree=4180452/4192956
[pid=3215] ppid=3213 vsize=5784 CPUtime=0.03
/proc/3215/stat : 3215 (xsolve) R 3213 3215 1734 0 -1 4194304 742 0 0 0 3 0 0 0 20 0 1 0 1996670076 5922816 708 996147200 134512640 135239859 4294956144 18446744073709551615 4562696 0 0 4096 0 0 0 0 17 1 0 0
/proc/3215/statm: 1446 708 368 177 0 349 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 5784

[startup+0.101084 s]
/proc/loadavg: 2.10 2.19 2.09 4/80 3215
/proc/meminfo: memFree=1363736/2055920 swapFree=4180452/4192956
[pid=3215] ppid=3213 vsize=7032 CPUtime=0.08
/proc/3215/stat : 3215 (xsolve) R 3213 3215 1734 0 -1 4194304 1065 0 0 0 8 0 0 0 20 0 1 0 1996670076 7200768 1031 996147200 134512640 135239859 4294956144 18446744073709551615 4563478 0 0 4096 0 0 0 0 17 1 0 0
/proc/3215/statm: 1758 1031 381 177 0 661 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 7032

[startup+0.301099 s]
/proc/loadavg: 2.10 2.19 2.09 4/80 3215
/proc/meminfo: memFree=1363736/2055920 swapFree=4180452/4192956
[pid=3215] ppid=3213 vsize=9752 CPUtime=0.28
/proc/3215/stat : 3215 (xsolve) R 3213 3215 1734 0 -1 4194304 1754 0 0 0 28 0 0 0 21 0 1 0 1996670076 9986048 1720 996147200 134512640 135239859 4294956144 18446744073709551615 134706557 0 0 4096 0 0 0 0 17 1 0 0
/proc/3215/statm: 2438 1720 391 177 0 1341 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 9752

[startup+0.701126 s]
/proc/loadavg: 2.10 2.19 2.09 4/80 3215
/proc/meminfo: memFree=1363736/2055920 swapFree=4180452/4192956
[pid=3215] ppid=3213 vsize=14656 CPUtime=0.68
/proc/3215/stat : 3215 (xsolve) R 3213 3215 1734 0 -1 4194304 3003 0 0 0 67 1 0 0 25 0 1 0 1996670076 15007744 2903 996147200 134512640 135239859 4294956144 18446744073709551615 134683229 0 0 4096 0 0 0 0 17 1 0 0
/proc/3215/statm: 3664 2903 397 177 0 2567 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 14656

[startup+1.50118 s]
/proc/loadavg: 2.10 2.19 2.09 3/81 3216
/proc/meminfo: memFree=1330128/2055920 swapFree=4180452/4192956
[pid=3215] ppid=3213 vsize=23336 CPUtime=1.47
/proc/3215/stat : 3215 (xsolve) R 3213 3215 1734 0 -1 4194304 5265 0 0 0 145 2 0 0 25 0 1 0 1996670076 23896064 5035 996147200 134512640 135239859 4294956144 18446744073709551615 4595283 0 0 4096 0 0 0 0 17 1 0 0
/proc/3215/statm: 5834 5035 397 177 0 4737 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 23336

[startup+3.10128 s]
/proc/loadavg: 2.10 2.19 2.09 2/68 3234
/proc/meminfo: memFree=1556152/2055920 swapFree=4180452/4192956
[pid=3215] ppid=3213 vsize=61784 CPUtime=3.06
/proc/3215/stat : 3215 (xsolve) R 3213 3215 1734 0 -1 4194304 15007 0 0 0 299 7 0 0 25 0 1 0 1996670076 63266816 14439 996147200 134512640 135239859 4294956144 18446744073709551615 4564603 0 0 4096 0 0 0 0 17 0 0 0
/proc/3215/statm: 15446 14442 424 177 0 14349 0
Current children cumulated CPU time (s) 3.06
Current children cumulated vsize (KiB) 61784

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

[startup+4.70139 s]
/proc/loadavg: 2.01 2.17 2.08 3/83 3255
/proc/meminfo: memFree=1400448/2055920 swapFree=4180452/4192956
[pid=3215] ppid=3213 vsize=141356 CPUtime=4.66
/proc/3215/stat : 3215 (xsolve) R 3213 3215 1734 0 -1 4194304 35174 0 0 0 450 16 0 0 25 0 1 0 1996670076 144748544 33992 996147200 134512640 135239859 4294956144 18446744073709551615 135067324 0 0 4096 0 0 0 0 17 0 0 0
/proc/3215/statm: 35339 33992 437 177 0 34242 0
Current children cumulated CPU time (s) 4.66
Current children cumulated vsize (KiB) 141356

[startup+5.10141 s]
/proc/loadavg: 2.01 2.17 2.08 3/83 3255
/proc/meminfo: memFree=1400448/2055920 swapFree=4180452/4192956
[pid=3215] ppid=3213 vsize=141128 CPUtime=5.06
/proc/3215/stat : 3215 (xsolve) R 3213 3215 1734 0 -1 4194304 35234 0 0 0 490 16 0 0 25 0 1 0 1996670076 144515072 33995 996147200 134512640 135239859 4294956144 18446744073709551615 4560725 0 0 4096 0 0 0 0 17 0 0 0
/proc/3215/statm: 35282 33995 440 177 0 34185 0
Current children cumulated CPU time (s) 5.06
Current children cumulated vsize (KiB) 141128

[startup+5.30142 s]
/proc/loadavg: 2.01 2.17 2.08 3/83 3255
/proc/meminfo: memFree=1400448/2055920 swapFree=4180452/4192956
[pid=3215] ppid=3213 vsize=136124 CPUtime=5.26
/proc/3215/stat : 3215 (xsolve) R 3213 3215 1734 0 -1 4194304 35241 0 0 0 509 17 0 0 25 0 1 0 1996670076 139390976 33063 996147200 134512640 135239859 4294956144 18446744073709551615 4558937 0 0 4096 0 0 0 0 17 0 0 0
/proc/3215/statm: 34031 33063 447 177 0 32934 0
Current children cumulated CPU time (s) 5.26
Current children cumulated vsize (KiB) 136124

[startup+5.40243 s]
/proc/loadavg: 2.01 2.17 2.08 4/83 3255
/proc/meminfo: memFree=1354752/2055920 swapFree=4180452/4192956
[pid=3215] ppid=3213 vsize=136124 CPUtime=5.37
/proc/3215/stat : 3215 (xsolve) R 3213 3215 1734 0 -1 4194304 35242 0 0 0 520 17 0 0 25 0 1 0 1996670076 139390976 33064 996147200 134512640 135239859 4294956144 18446744073709551615 4558937 0 0 4096 0 0 0 0 17 0 0 0
/proc/3215/statm: 34031 33064 448 177 0 32934 0
Current children cumulated CPU time (s) 5.37
Current children cumulated vsize (KiB) 136124

Child status: 0
Real time (s): 5.46945
CPU time (s): 5.43817
CPU user time (s): 5.2412
CPU system time (s): 0.19697
CPU usage (%): 99.4282
Max. virtual memory (cumulated for all children) (KiB): 141356

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.2412
system time used= 0.19697
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 35244
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= 161

runsolver used 0.009998 second user time and 0.022996 second system time

The end

Launcher Data (download as text)

Begin job on node29 at 2008-07-04 15:09:23
IDJOB=1073295
IDBENCH=56334
IDSOLVER=342
FILE ID=node29/1073295-1215176962
PBS_JOBID= 7881507
Free space on /tmp= 66540 MiB

SOLVER NAME= MDG-probe 2008-06-27
BENCH NAME= CPAI08/csp/bmc/normalized-bmc-ibm-01-08.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-1073295-1215176962/watcher-1073295-1215176962 -o /tmp/evaluation-result-1073295-1215176962/solver-1073295-1215176962 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1073295-1215176962.xml -v 1 -rs 472317665 -probe 1 -ph 0 -heu dom/wdeg -res no

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 0c9002fa5828e7988c1ebba4c2893b17
RANDOM SEED=472317665

node29.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		: 3000.220
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		: 3000.220
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:       1364280 kB
Buffers:         77984 kB
Cached:         339532 kB
SwapCached:       6872 kB
Active:         431552 kB
Inactive:       200280 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1364280 kB
SwapTotal:     4192956 kB
SwapFree:      4180452 kB
Dirty:           22736 kB
Writeback:           0 kB
Mapped:         227576 kB
Slab:            44600 kB
Committed_AS:  4189144 kB
PageTables:       2384 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= 66540 MiB
End job on node29 at 2008-07-04 15:09:28