Trace number 458301

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, and are wall clock time (not CPU 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
PBS4_v2 2007-03-23SAT 3.55046 3.55358

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/
dbst/normalized-dbst_v30_e350_d15_mw10_3.opb.PB06.opb
MD5SUMe3c4907f9ed288ddc262ad274eebff0f
Bench CategorySATUNSAT-SMALLINT-LIN (no optimisation, small integers, linear constraints)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark3.55046
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1600
Total number of constraints328901
Number of constraints which are clauses327070
Number of constraints which are cardinality constraints (but not clauses)61
Number of constraints which are nor clauses,nor cardinality constraints1770
Minimum length of a constraint2
Maximum length of a constraint700
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 282
Number of bits of the biggest number in a constraint 9
Biggest sum of numbers in a constraint 831
Number of bits of the biggest sum of numbers10
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data (download as text)

0.00/0.00	c PBS v4 by Bashar Al-Rawi & Fadi Aloul
0.00/0.00	c Solving /tmp/evaluation/458301-1178621671/instance-458301-1178621671.opb ......
3.49/3.54	c done parsing opb.
3.49/3.54	s SATISFIABLE
3.49/3.54	c Total Run Time					0.060991
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3.49/3.54	v -x413 -x414 -x415 -x416 -x417 -x418 -x419 -x42 -x420 -x421 -x422 -x423 -x424 -x425 -x426 -x427 -x428 -x429 -x43 -x430 -x431
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Verifier Data (download as text)

OK	0

Conversion Script Data (download as text)

/tmp/evaluation/458301-1178621671/instance-458301-1178621671.opb is already a linear file

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node45/watcher-458301-1178621671 -o ROOT/results/node45/solver-458301-1178621671 -C 1800 -W 3600 -M 1800 --output-limit 1,15 PBS4_SAT07v2 /tmp/evaluation/458301-1178621671/instance-458301-1178621671.opb 

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): 3600 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 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: 1.00 1.00 1.00 3/77 4388
/proc/meminfo: memFree=1476496/2055920 swapFree=4157932/4192956
[pid=4388] ppid=4386 vsize=1476 CPUtime=0
/proc/4388/stat : 4388 (PBS4_SAT07v2) R 4386 4388 3531 0 -1 4194304 187 0 0 0 0 0 0 0 18 0 1 0 217012775 1511424 169 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 135006757 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4388/statm: 369 169 86 219 0 146 0

[startup+0.053453 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 4388
/proc/meminfo: memFree=1476496/2055920 swapFree=4157932/4192956
[pid=4388] ppid=4386 vsize=1856 CPUtime=0.05
/proc/4388/stat : 4388 (PBS4_SAT07v2) R 4386 4388 3531 0 -1 4194304 305 0 0 0 5 0 0 0 18 0 1 0 217012775 1900544 287 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 135057549 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4388/statm: 464 288 86 219 0 241 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 1856

[startup+0.101457 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 4388
/proc/meminfo: memFree=1476496/2055920 swapFree=4157932/4192956
[pid=4388] ppid=4386 vsize=2304 CPUtime=0.09
/proc/4388/stat : 4388 (PBS4_SAT07v2) R 4386 4388 3531 0 -1 4194304 428 0 0 0 9 0 0 0 18 0 1 0 217012775 2359296 361 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 135057549 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4388/statm: 576 361 86 219 0 353 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2304

[startup+0.301477 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 4388
/proc/meminfo: memFree=1476496/2055920 swapFree=4157932/4192956
[pid=4388] ppid=4386 vsize=3600 CPUtime=0.29
/proc/4388/stat : 4388 (PBS4_SAT07v2) R 4386 4388 3531 0 -1 4194304 904 0 0 0 29 0 0 0 19 0 1 0 217012775 3686400 740 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134588758 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4388/statm: 900 740 86 219 0 677 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3600

[startup+0.701517 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 4388
/proc/meminfo: memFree=1476496/2055920 swapFree=4157932/4192956
[pid=4388] ppid=4386 vsize=9372 CPUtime=0.69
/proc/4388/stat : 4388 (PBS4_SAT07v2) R 4386 4388 3531 0 -1 4194304 2148 0 0 0 69 0 0 0 22 0 1 0 217012775 9596928 1406 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134588758 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4388/statm: 2343 1406 86 219 0 2120 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9372

[startup+1.5016 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 4389
/proc/meminfo: memFree=1468872/2055920 swapFree=4157932/4192956
[pid=4388] ppid=4386 vsize=17332 CPUtime=1.49
/proc/4388/stat : 4388 (PBS4_SAT07v2) R 4386 4388 3531 0 -1 4194304 4231 0 0 0 147 2 0 0 25 0 1 0 217012775 17747968 2720 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 135057549 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4388/statm: 4333 2720 86 219 0 4110 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 17332

[startup+3.10176 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 4389
/proc/meminfo: memFree=1461192/2055920 swapFree=4157932/4192956
[pid=4388] ppid=4386 vsize=33388 CPUtime=3.09
/proc/4388/stat : 4388 (PBS4_SAT07v2) R 4386 4388 3531 0 -1 4194304 8407 0 0 0 305 4 0 0 25 0 1 0 217012775 34189312 5359 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134594427 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4388/statm: 8347 5359 86 219 0 8124 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 33388

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

[startup+3.5018 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 4389
/proc/meminfo: memFree=1454216/2055920 swapFree=4157932/4192956
[pid=4388] ppid=4386 vsize=35232 CPUtime=3.49
/proc/4388/stat : 4388 (PBS4_SAT07v2) R 4386 4388 3531 0 -1 4194304 9039 0 0 0 344 5 0 0 25 0 1 0 217012775 36077568 5991 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 135006757 0 0 4096 16384 0 0 0 17 1 0 0
/proc/4388/statm: 8808 5991 90 219 0 8585 0
Current children cumulated CPU time (s) 3.49
Current children cumulated vsize (KiB) 35232

Child status: 0
Real time (s): 3.55358
CPU time (s): 3.55046
CPU user time (s): 3.47447
CPU system time (s): 0.075988
CPU usage (%): 99.9123
Max. virtual memory (cumulated for all children) (KiB): 35232

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.47447
system time used= 0.075988
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9122
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= 8
involuntary context switches= 5

runsolver used 0.006998 second user time and 0.013997 second system time

The end

Launcher Data (download as text)

Begin job on node45 on Tue May  8 10:54:31 UTC 2007

IDJOB= 458301
IDBENCH= 1378
IDSOLVER= 200
FILE ID= node45/458301-1178621671

PBS_JOBID= 5218245

Free space on /tmp= 66551 MiB

SOLVER NAME= PBS4_v2 2007-03-23
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/dbst/normalized-dbst_v30_e350_d15_mw10_3.opb.PB06.opb
COMMAND LINE= PBS4_SAT07v2 /tmp/evaluation/458301-1178621671/instance-458301-1178621671.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node45/convwatcher-458301-1178621671 -o ROOT/results/node45/conversion-458301-1178621671 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/458301-1178621671/instance-458301-1178621671.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node45/watcher-458301-1178621671 -o ROOT/results/node45/solver-458301-1178621671 -C 1800 -W 3600 -M 1800 --output-limit 1,15  PBS4_SAT07v2 /tmp/evaluation/458301-1178621671/instance-458301-1178621671.opb

META MD5SUM SOLVER= 18cd8c68a4d3bfb01f29079966475a33
MD5SUM BENCH=  e3c4907f9ed288ddc262ad274eebff0f

RANDOM SEED= 547133983

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node45.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.218
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		: 3000.218
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:       1476968 kB
Buffers:         38108 kB
Cached:         409632 kB
SwapCached:      14388 kB
Active:         123300 kB
Inactive:       347756 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1476968 kB
SwapTotal:     4192956 kB
SwapFree:      4157932 kB
Dirty:           13432 kB
Writeback:           0 kB
Mapped:          30424 kB
Slab:            93548 kB
Committed_AS:  3947888 kB
PageTables:       1732 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= 66551 MiB

End job on node45 on Tue May  8 10:54:35 UTC 2007