Trace number 2676174

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
borg-pb 10.05.30SAT 1.9417 2.31892

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/
dbst/normalized-dbst_v30_e350_d15_mw10_1.opb.PB06.opb
MD5SUM285f81376739daaaae61d54cc606f233
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
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 benchmark1.55476
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 268
Number of bits of the biggest number in a constraint 9
Biggest sum of numbers in a constraint 789
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 

1.04/1.54	c DEBUG: probabilities of action success (DCM model):
1.04/1.54	c        pb/competition_2010/bsolo_pb10-l1   : 0.2446 0.3106 0.3432 0.4493 0.5331 0.5649 0.6331
1.04/1.54	c        pb/competition_2010/bsolo_pb10-l2   : 0.2220 0.2840 0.3077 0.3819 0.4261 0.4617 0.5493
1.04/1.54	c        pb/competition_2010/bsolo_pb10-l3   : 0.2079 0.2803 0.3237 0.4112 0.4599 0.4979 0.5927
1.04/1.54	c        pb/competition_2010/wbo1.4a         : 0.3403 0.4826 0.5859 0.7308 0.8018 0.8464 0.9114
1.04/1.54	c        pb/competition_2010/wbo1.4b         : 0.2130 0.3046 0.4491 0.6693 0.7698 0.8150 0.8796
1.04/1.54	c        pb/other/clasp-1.3.3                : 0.4078 0.5945 0.6711 0.8373 0.8906 0.9054 0.9586
1.04/1.54	c        pb/other/sat4j-pb-v20090829         : 0.2634 0.4175 0.5149 0.6419 0.7125 0.7655 0.8315
1.04/1.54	c        pb/other/sat4j-pb-v20090829-cutting : 0.2190 0.3670 0.4173 0.5593 0.5959 0.6405 0.7110
1.04/1.57	c DETAIL: running [u'HOME/etc/solvers/other/clasp-1.3.3/clasp-1.3.3-x86-linux', u'--seed=30639230', u'HOME/instance-2676174-1277134630.opb'] for 0:00:10
1.79/2.25	s SATISFIABLE
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Verifier Data 

OK	0

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2676174-1277134630/watcher-2676174-1277134630 -o /tmp/evaluation-result-2676174-1277134630/solver-2676174-1277134630 -C 1800 -W 2000 -M 1800 solver HOME/instance-2676174-1277134630.opb 607216397 

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): 2000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.83 0.52 0.67 3/105 11486
/proc/meminfo: memFree=1499860/2059040 swapFree=4139948/4192956
[pid=11486] ppid=11484 vsize=16708 CPUtime=0
/proc/11486/stat : 11486 (python) R 11484 11486 11385 0 -1 4202496 742 0 0 0 0 0 0 0 21 0 1 0 54756674 17108992 508 1992294400 4194304 4196484 140737438042032 18446744073709551615 272447779525 0 0 16781312 2 0 0 0 17 1 0 0 0
/proc/11486/statm: 4177 510 271 1 0 273 0

[startup+0.0133711 s]
/proc/loadavg: 0.83 0.52 0.67 3/105 11486
/proc/meminfo: memFree=1499860/2059040 swapFree=4139948/4192956
[pid=11486] ppid=11484 vsize=17028 CPUtime=0
/proc/11486/stat : 11486 (python) R 11484 11486 11385 0 -1 4202496 885 0 0 0 0 0 0 0 21 0 1 0 54756674 17436672 641 1992294400 4194304 4196484 140737438042032 18446744073709551615 272448118528 0 0 16781312 2 0 0 0 17 1 0 0 0
/proc/11486/statm: 4256 640 307 1 0 352 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 17028

[startup+0.101389 s]
/proc/loadavg: 0.83 0.52 0.67 3/105 11486
/proc/meminfo: memFree=1499860/2059040 swapFree=4139948/4192956
[pid=11486] ppid=11484 vsize=32156 CPUtime=0.08
/proc/11486/stat : 11486 (python) R 11484 11486 11385 0 -1 4202496 2413 0 0 0 5 3 0 0 21 0 1 0 54756674 32927744 1390 1992294400 4194304 4196484 140734234150992 18446744073709551615 272448116736 0 2147483391 16781312 2 0 0 0 17 0 0 0 0
/proc/11486/statm: 8039 1390 459 1 0 911 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 32156

[startup+0.301413 s]
/proc/loadavg: 0.83 0.52 0.67 3/105 11486
/proc/meminfo: memFree=1499860/2059040 swapFree=4139948/4192956
[pid=11486] ppid=11484 vsize=71244 CPUtime=0.25
/proc/11486/stat : 11486 (python) R 11484 11486 11385 0 -1 4202496 4108 0 0 0 17 8 0 0 21 0 1 0 54756674 72953856 2931 1992294400 4194304 4196484 140734234150992 18446744073709551615 272447767808 0 0 16781312 2 0 0 0 17 0 0 0 0
/proc/11486/statm: 17811 2931 693 1 0 2298 0
Current children cumulated CPU time (s) 0.25
Current children cumulated vsize (KiB) 71244

[startup+0.701453 s]
/proc/loadavg: 0.83 0.52 0.67 3/105 11486
/proc/meminfo: memFree=1499860/2059040 swapFree=4139948/4192956
[pid=11486] ppid=11484 vsize=99064 CPUtime=0.54
/proc/11486/stat : 11486 (python) R 11484 11486 11385 0 -1 4202496 4949 0 0 0 34 20 0 0 20 0 1 0 54756674 101441536 3635 1992294400 4194304 4196484 140734234150992 18446744073709551615 272447774069 0 0 16781312 2 0 0 0 17 0 0 0 0
/proc/11486/statm: 24766 3635 1023 1 0 2623 0
Current children cumulated CPU time (s) 0.54
Current children cumulated vsize (KiB) 99064

[startup+1.50154 s]
/proc/loadavg: 0.83 0.52 0.67 1/106 11491
/proc/meminfo: memFree=1482368/2059040 swapFree=4139948/4192956
[pid=11486] ppid=11484 vsize=119772 CPUtime=1.04
/proc/11486/stat : 11486 (python) R 11484 11486 11385 0 -1 4202496 9120 929 0 0 73 31 0 0 19 0 1 0 54756674 122646528 6243 1992294400 4194304 4196484 140734234150992 18446744073709551615 47185437700085 0 0 16781312 2 0 0 0 17 0 0 0 0
/proc/11486/statm: 29943 6243 1063 1 0 5197 0
Current children cumulated CPU time (s) 1.04
Current children cumulated vsize (KiB) 119772

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

[startup+1.90158 s]
/proc/loadavg: 0.83 0.52 0.67 1/106 11491
/proc/meminfo: memFree=1482368/2059040 swapFree=4139948/4192956
[pid=11486] ppid=11484 vsize=132048 CPUtime=1.15
/proc/11486/stat : 11486 (python) S 11484 11486 11385 0 -1 4202496 10247 929 0 0 81 34 0 0 19 0 1 0 54756674 135217152 6306 1992294400 4194304 4196484 140734234150992 18446744073709551615 272448138767 0 0 16781312 2 7794005035255300352 0 0 17 0 0 0 0
/proc/11486/statm: 33012 6306 1133 1 0 5164 0
Current children cumulated CPU time (s) 1.15
Current children cumulated vsize (KiB) 132048

[startup+2.30163 s]
/proc/loadavg: 0.83 0.52 0.67 2/107 11492
/proc/meminfo: memFree=1466860/2059040 swapFree=4139948/4192956
[pid=11486] ppid=11484 vsize=134104 CPUtime=1.9
/proc/11486/stat : 11486 (python) R 11484 11486 11385 0 -1 4202496 14719 5235 0 0 104 38 44 4 18 0 1 0 54756674 137322496 6331 1992294400 4194304 4196484 140734234150992 18446744073709551615 47185436955639 0 0 16781312 0 0 0 0 17 1 0 0 0
/proc/11486/statm: 33526 6331 1136 1 0 5163 0
Current children cumulated CPU time (s) 1.9
Current children cumulated vsize (KiB) 134104

Child status: 10
Real time (s): 2.31892
CPU time (s): 1.9417
CPU user time (s): 1.50477
CPU system time (s): 0.436933
CPU usage (%): 83.7331
Max. virtual memory (cumulated for all children) (KiB): 145204

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.50477
system time used= 0.436933
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 20516
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= 3673
involuntary context switches= 50

runsolver used 0.004999 second user time and 0.021996 second system time

The end

Launcher Data 

Begin job on node087 at 2010-06-21 17:37:11
IDJOB=2676174
IDBENCH=1374
IDSOLVER=1178
FILE ID=node087/2676174-1277134630
PBS_JOBID= 11182065
Free space on /tmp= 62516 MiB

SOLVER NAME= borg-pb 10.05.30
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/dbst/normalized-dbst_v30_e350_d15_mw10_1.opb.PB06.opb
COMMAND LINE= solver BENCHNAME RANDOMSEED 
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2676174-1277134630/watcher-2676174-1277134630 -o /tmp/evaluation-result-2676174-1277134630/solver-2676174-1277134630 -C 1800 -W 2000 -M 1800  solver HOME/instance-2676174-1277134630.opb 607216397 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 285f81376739daaaae61d54cc606f233
RANDOM SEED=607216397

node087.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/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		: 3000.213
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.42
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		: 3000.213
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5999.42
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1500264 kB
Buffers:        124308 kB
Cached:         332136 kB
SwapCached:       5404 kB
Active:         227788 kB
Inactive:       241608 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1500264 kB
SwapTotal:     4192956 kB
SwapFree:      4139948 kB
Dirty:           32776 kB
Writeback:           0 kB
AnonPages:       11636 kB
Mapped:          13024 kB
Slab:            67616 kB
PageTables:       4076 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181892 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62496 MiB
End job on node087 at 2010-06-21 17:37:14