Trace number 459848

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 2.83757 2.83968

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_100_10_1_15.opb
MD5SUM29dd42e0067afa72a17cd46c1f9628e9
Bench CategorySATUNSAT-SMALLINT-NLC (no optimisation, small integers, non 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 benchmark0.05599
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables200
Total number of constraints302
Number of constraints which are clauses100
Number of constraints which are cardinality constraints (but not clauses)1
Number of constraints which are nor clauses,nor cardinality constraints201
Minimum length of a constraint2
Maximum length of a constraint200
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 15
Number of bits of the biggest number in a constraint 4
Biggest sum of numbers in a constraint 200
Number of bits of the biggest sum of numbers8
Number of products (including duplicates)2496
Sum of products size (including duplicates)4992
Number of different products1248
Sum of products size2496

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/459848-1178661474/instance-459848-1178661474.opb ......
2.79/2.83	c done parsing opb.
2.79/2.83	s SATISFIABLE
2.79/2.83	c Total Run Time					2.80058
2.79/2.83	v x1 -x10 -x100 -x1000 -x1001 -x1002 -x1003 -x1004 -x1005 -x1006 -x1007 -x1008 -x1009 -x101 -x1010 -x1011 -x1012 -x1013 -x1014
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2.79/2.83	v -x295 -x296 -x297 -x298 -x299 -x3 -x30 -x300 -x301 -x302 -x303 -x304 -x305 -x306 -x307 -x308 -x309 -x31 -x310 -x311 -x312
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2.79/2.83	v -x39 -x390 -x391 -x392 -x393 -x394 -x395 -x396 -x397 -x398 -x399 -x4 -x40 -x400 -x401 -x402 -x403 -x404 -x405 -x406 -x407
2.79/2.83	v -x408 -x409 -x41 -x410 -x411 -x412 -x413 -x414 -x415 -x416 -x417 -x418 -x419 -x42 -x420 -x421 -x422 -x423 x424 -x425 -x426
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2.79/2.83	v -x465 -x466 -x467 -x468 -x469 -x47 -x470 -x471 -x472 -x473 -x474 -x475 -x476 -x477 -x478 -x479 -x48 -x480 -x481 -x482 -x483
2.79/2.83	v -x484 -x485 -x486 -x487 -x488 -x489 -x49 -x490 -x491 -x492 -x493 -x494 -x495 -x496 -x497 -x498 -x499 -x5 -x50 -x500 -x501
2.79/2.83	v -x502 -x503 -x504 -x505 -x506 -x507 -x508 -x509 -x51 -x510 x511 -x512 -x513 -x514 -x515 -x516 -x517 -x518 -x519 -x52 -x520
2.79/2.83	v -x521 -x522 -x523 -x524 -x525 -x526 -x527 -x528 -x529 -x53 -x530 -x531 -x532 -x533 -x534 -x535 -x536 -x537 -x538 -x539 -x54
2.79/2.83	v -x540 -x541 -x542 -x543 -x544 -x545 -x546 -x547 x548 -x549 x55 -x550 -x551 -x552 -x553 -x554 -x555 -x556 -x557 -x558 -x559
2.79/2.83	v x56 -x560 -x561 -x562 -x563 -x564 -x565 -x566 -x567 -x568 -x569 -x57 -x570 -x571 -x572 -x573 -x574 -x575 -x576 -x577 -x578
2.79/2.83	v -x579 -x58 -x580 -x581 -x582 -x583 -x584 -x585 -x586 -x587 -x588 -x589 -x59 -x590 -x591 -x592 -x593 -x594 -x595 -x596 -x597
2.79/2.83	v -x598 -x599 -x6 -x60 -x600 -x601 -x602 -x603 -x604 -x605 -x606 -x607 -x608 -x609 -x61 -x610 -x611 -x612 -x613 -x614 -x615
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2.79/2.83	v -x635 -x636 -x637 -x638 -x639 -x64 -x640 -x641 -x642 -x643 -x644 -x645 -x646 -x647 -x648 -x649 x65 -x650 -x651 -x652 -x653
2.79/2.83	v -x654 -x655 -x656 -x657 -x658 -x659 -x66 -x660 -x661 -x662 -x663 -x664 -x665 -x666 -x667 -x668 -x669 -x67 -x670 -x671 -x672
2.79/2.83	v -x673 -x674 -x675 -x676 -x677 -x678 -x679 -x68 -x680 -x681 -x682 -x683 -x684 -x685 -x686 -x687 -x688 -x689 -x69 -x690 -x691
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2.79/2.83	v -x710 -x711 -x712 -x713 -x714 -x715 -x716 -x717 -x718 -x719 x72 -x720 -x721 -x722 -x723 -x724 -x725 -x726 -x727 -x728 -x729
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2.79/2.83	v -x806 -x807 -x808 -x809 x81 -x810 -x811 -x812 -x813 -x814 -x815 -x816 -x817 -x818 -x819 -x82 -x820 -x821 -x822 -x823 -x824
2.79/2.83	v -x825 -x826 -x827 -x828 -x829 -x83 -x830 -x831 -x832 -x833 -x834 -x835 -x836 -x837 -x838 -x839 -x84 -x840 -x841 -x842 -x843
2.79/2.83	v -x844 -x845 -x846 -x847 -x848 -x849 x85 -x850 -x851 -x852 -x853 -x854 -x855 -x856 -x857 -x858 -x859 x86 -x860 -x861 -x862
2.79/2.83	v -x863 -x864 -x865 -x866 -x867 -x868 -x869 -x87 -x870 -x871 -x872 -x873 -x874 -x875 -x876 -x877 -x878 -x879 -x88 -x880 -x881
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2.79/2.83	v -x901 -x902 -x903 -x904 -x905 x906 -x907 -x908 -x909 -x91 -x910 -x911 -x912 -x913 -x914 -x915 -x916 -x917 -x918 -x919 -x92
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2.79/2.83	v -x997 -x998 -x999

Verifier Data (download as text)

OK	0

Conversion Script Data (download as text)

Linearizing /tmp/evaluation/459848-1178661474/instance-459848-1178661474.opb

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node35/watcher-459848-1178661474 -o ROOT/results/node35/solver-459848-1178661474 -C 1800 -W 3600 -M 1800 --output-limit 1,15 PBS4_SAT07v2 /tmp/evaluation/459848-1178661474/instance-459848-1178661474.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: 0.99 0.98 0.98 3/77 15620
/proc/meminfo: memFree=1499392/2055920 swapFree=4151392/4192956
[pid=15620] ppid=15618 vsize=1592 CPUtime=0
/proc/15620/stat : 15620 (PBS4_SAT07v2) R 15618 15620 14872 0 -1 4194304 190 0 0 0 0 0 0 0 18 0 1 0 314062822 1630208 172 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135006757 0 0 4096 16384 0 0 0 17 0 0 0
/proc/15620/statm: 398 172 86 219 0 175 0

[startup+0.077001 s]
/proc/loadavg: 0.99 0.98 0.98 3/77 15620
/proc/meminfo: memFree=1499392/2055920 swapFree=4151392/4192956
[pid=15620] ppid=15618 vsize=2000 CPUtime=0.07
/proc/15620/stat : 15620 (PBS4_SAT07v2) R 15618 15620 14872 0 -1 4194304 302 0 0 0 7 0 0 0 18 0 1 0 314062822 2048000 284 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134557325 0 0 4096 16384 0 0 0 17 0 0 0
/proc/15620/statm: 500 284 90 219 0 277 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 2000

[startup+0.102003 s]
/proc/loadavg: 0.99 0.98 0.98 3/77 15620
/proc/meminfo: memFree=1499392/2055920 swapFree=4151392/4192956
[pid=15620] ppid=15618 vsize=2000 CPUtime=0.1
/proc/15620/stat : 15620 (PBS4_SAT07v2) R 15618 15620 14872 0 -1 4194304 302 0 0 0 10 0 0 0 18 0 1 0 314062822 2048000 284 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134557375 0 0 4096 16384 0 0 0 17 0 0 0
/proc/15620/statm: 500 284 90 219 0 277 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2000

[startup+0.301027 s]
/proc/loadavg: 0.99 0.98 0.98 3/77 15620
/proc/meminfo: memFree=1499392/2055920 swapFree=4151392/4192956
[pid=15620] ppid=15618 vsize=2256 CPUtime=0.29
/proc/15620/stat : 15620 (PBS4_SAT07v2) R 15618 15620 14872 0 -1 4194304 359 0 0 0 29 0 0 0 20 0 1 0 314062822 2310144 341 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134557372 0 0 4096 16384 0 0 0 17 0 0 0
/proc/15620/statm: 564 341 90 219 0 341 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2256

[startup+0.701072 s]
/proc/loadavg: 0.99 0.98 0.98 3/77 15620
/proc/meminfo: memFree=1499392/2055920 swapFree=4151392/4192956
[pid=15620] ppid=15618 vsize=3980 CPUtime=0.69
/proc/15620/stat : 15620 (PBS4_SAT07v2) R 15618 15620 14872 0 -1 4194304 777 0 0 0 69 0 0 0 24 0 1 0 314062822 4075520 759 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 0 0 0
/proc/15620/statm: 995 759 90 219 0 772 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3980

[startup+1.50216 s]
/proc/loadavg: 0.99 0.98 0.98 2/78 15621
/proc/meminfo: memFree=1495160/2055920 swapFree=4151392/4192956
[pid=15620] ppid=15618 vsize=10452 CPUtime=1.49
/proc/15620/stat : 15620 (PBS4_SAT07v2) R 15618 15620 14872 0 -1 4194304 1593 0 0 0 149 0 0 0 25 0 1 0 314062822 10702848 1575 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 0 0 0
/proc/15620/statm: 2613 1575 90 219 0 2390 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10452

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

[startup+2.30126 s]
/proc/loadavg: 0.99 0.98 0.98 2/78 15621
/proc/meminfo: memFree=1491384/2055920 swapFree=4151392/4192956
[pid=15620] ppid=15618 vsize=10728 CPUtime=2.29
/proc/15620/stat : 15620 (PBS4_SAT07v2) R 15618 15620 14872 0 -1 4194304 2205 0 0 0 228 1 0 0 25 0 1 0 314062822 10985472 2187 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134544702 0 0 4096 16384 0 0 0 17 0 0 0
/proc/15620/statm: 2682 2187 90 219 0 2459 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 10728

[startup+2.7013 s]
/proc/loadavg: 0.99 0.98 0.98 2/78 15621
/proc/meminfo: memFree=1491384/2055920 swapFree=4151392/4192956
[pid=15620] ppid=15618 vsize=11324 CPUtime=2.69
/proc/15620/stat : 15620 (PBS4_SAT07v2) R 15618 15620 14872 0 -1 4194304 2430 0 0 0 268 1 0 0 25 0 1 0 314062822 11595776 2363 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134545649 0 0 4096 16384 0 0 0 17 0 0 0
/proc/15620/statm: 2831 2363 90 219 0 2608 0
Current children cumulated CPU time (s) 2.69
Current children cumulated vsize (KiB) 11324

[startup+2.80132 s]
/proc/loadavg: 0.99 0.98 0.98 2/78 15621
/proc/meminfo: memFree=1491384/2055920 swapFree=4151392/4192956
[pid=15620] ppid=15618 vsize=11460 CPUtime=2.79
/proc/15620/stat : 15620 (PBS4_SAT07v2) R 15618 15620 14872 0 -1 4194304 2490 0 0 0 278 1 0 0 25 0 1 0 314062822 11735040 2423 18446744073709551615 134512640 135410602 4294956704 18446744073709551615 134561115 0 0 4096 16384 0 0 0 17 0 0 0
/proc/15620/statm: 2865 2423 90 219 0 2642 0
Current children cumulated CPU time (s) 2.79
Current children cumulated vsize (KiB) 11460

Child status: 0
Real time (s): 2.83968
CPU time (s): 2.83757
CPU user time (s): 2.82257
CPU system time (s): 0.014997
CPU usage (%): 99.9257
Max. virtual memory (cumulated for all children) (KiB): 11460

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.82257
system time used= 0.014997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2520
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= 79

runsolver used 0.001999 second user time and 0.015997 second system time

The end

Launcher Data (download as text)

Begin job on node35 on Tue May  8 21:57:54 UTC 2007

IDJOB= 459848
IDBENCH= 48309
IDSOLVER= 200
FILE ID= node35/459848-1178661474

PBS_JOBID= 5218423

Free space on /tmp= 66562 MiB

SOLVER NAME= PBS4_v2 2007-03-23
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_100_10_1_15.opb
COMMAND LINE= PBS4_SAT07v2 /tmp/evaluation/459848-1178661474/instance-459848-1178661474.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node35/convwatcher-459848-1178661474 -o ROOT/results/node35/conversion-459848-1178661474 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/459848-1178661474/instance-459848-1178661474.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node35/watcher-459848-1178661474 -o ROOT/results/node35/solver-459848-1178661474 -C 1800 -W 3600 -M 1800 --output-limit 1,15  PBS4_SAT07v2 /tmp/evaluation/459848-1178661474/instance-459848-1178661474.opb

META MD5SUM SOLVER= 18cd8c68a4d3bfb01f29079966475a33
MD5SUM BENCH=  29dd42e0067afa72a17cd46c1f9628e9

RANDOM SEED= 591952904

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node35.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		: 3000.232
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		: 3000.232
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:       1499800 kB
Buffers:         38800 kB
Cached:         389500 kB
SwapCached:       8872 kB
Active:         253156 kB
Inactive:       204200 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1499800 kB
SwapTotal:     4192956 kB
SwapFree:      4151392 kB
Dirty:            2380 kB
Writeback:           0 kB
Mapped:          36272 kB
Slab:            84044 kB
Committed_AS:  7625464 kB
PageTables:       2012 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= 66562 MiB

End job on node35 on Tue May  8 21:57:57 UTC 2007