PB'05 competition: run trace

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 in four parts:

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 provide some useful information on the computer.
SOLVER DATA
This is the output of the solver (stdout and stderr).
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 1200 seconds. 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 1230 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (900Mb).
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.
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.

General information on the benchmark

Name	normalized-opb/mps-v2-13-7/plato.asu.edu/pub/milp/normalized-mps-v2-13-7-mkc1.opb
MD5SUM	d176539199497efb0c829821dd5c09ea
Bench Category	optimization, medium integers (OPTMEDINT)
Has Objective Function	YES
Satisfiable	YES
(Un)Satisfiability was proved	YES
Best value of the objective function	0
Optimality of the best value was proved	NO
Number of terms in the objective function	18598
Biggest coefficient in the objective function	2560000
Number of bits for the biggest coefficient in the objective function	22
Sum of the numbers in the objective function	7036117195
Number of bits of the sum of numbers in the objective function	33
Biggest number in a constraint	524288000
Number of bits of the biggest number in a constraint	29
Biggest sum of numbers in a constraint	8002856320
Number of bits of the biggest sum of numbers	33
Best result obtained on this benchmark	SAT
Best CPU time to get the best result obtained on this benchmark	7.43987
Number of variables	21015
Total number of constraints	8734
Number of constraints which are clauses	712
Number of constraints which are cardinality constraints (but not clauses)	3174
Number of constraints which are nor clauses,nor cardinality constraints	4848
Minimum length of a constraint	1
Maximum length of a constraint	18426

Trace number 25507

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc31 THE 2005-05-20 00:25:09 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=19503 boxname=wulflinc31 idbench=1501 idsolver=3 numberseed=0
MD5SUM SOLVER: 03a6a792daea978e4202f78851741568  /oldhome/oroussel/solvers/bsolo_mis
MD5SUM BENCH:  d176539199497efb0c829821dd5c09ea  /oldhome/oroussel/tmp/wulflinc31/normalized-mps-v2-13-7-mkc1.opb
REAL COMMAND:  bsolo_mis /oldhome/oroussel/tmp/wulflinc31/normalized-mps-v2-13-7-mkc1.opb
IDLAUNCH: 19503
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.153
cache size	: 512 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 2
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips	: 888.83

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.153
cache size	: 512 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 2
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips	: 901.12

/proc/meminfo:
MemTotal:      1034660 kB
MemFree:        836680 kB
Buffers:         23308 kB
Cached:         153456 kB
SwapCached:        920 kB
Active:         100296 kB
Inactive:        78656 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        836428 kB
SwapTotal:     2097892 kB
SwapFree:      2095972 kB
Dirty:              12 kB
Writeback:           0 kB
Mapped:           5088 kB
Slab:            13220 kB
Committed_AS:    63840 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-20 00:26:50 (client local time) WITH STATUS 20 IN 100.674 SECONDS
stats: 19503 7 100.674 20
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c Initial problem consists of 21015 variables and 5585 constraints.
s UNSATISFIABLE
c Exit Code: 20
c Total time: 100.561 s
#### END SOLVER DATA ####
#### BEGIN WATCHER DATA ####
Enforcing CPU limit (will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1230 seconds
Enforcing VSIZE limit: 943718400 bytes
Raw data (loadavg): 0.79 0.91 0.90 2/55 26980
Raw data (stat): 26980 (runsolver) R 26979 7876 7672 0 -1 64 5 0 0 0 0 0 0 0 19 0 1 0 791315626 1056768 100 4294967295 134512640 135381576 3221221680 3221216900 135158418 0 2147483391 1 90112 0 0 0 17 0 0 0
Raw data (statm): 258 100 215 215 0 43 0
vsize: 1032
[startup+10.0009 s]
Raw data (loadavg): 0.82 0.91 0.90 2/55 26980
Raw data (stat): 26980 (bsolo_mis) R 26979 7876 7672 0 -1 0 7909 0 0 0 980 16 0 0 25 0 1 0 791315626 45715456 7886 4294967295 134512640 134714540 3221221792 3221220448 134527932 0 0 1 0 0 0 0 17 0 0 0
Raw data (statm): 11161 7886 1111 63 0 11098 0
vsize: 44644
[startup+20.0016 s]
Raw data (loadavg): 0.85 0.91 0.91 2/55 26980
Raw data (stat): 26980 (bsolo_mis) R 26979 7876 7672 0 -1 0 12749 0 0 0 1972 24 0 0 25 0 1 0 791315626 65601536 12726 4294967295 134512640 134714540 3221221792 3221220020 1077414374 0 0 1 0 0 0 0 17 0 0 0
Raw data (statm): 16016 12726 1111 63 0 15953 0
vsize: 64064
[startup+30.0023 s]
Raw data (loadavg): 0.87 0.91 0.91 2/55 26980
Raw data (stat): 26980 (bsolo_mis) R 26979 7876 7672 0 -1 0 18172 0 0 0 2963 33 0 0 25 0 1 0 791315626 87769088 18149 4294967295 134512640 134714540 3221221792 3221220020 1077414413 0 0 1 0 0 0 0 17 0 0 0
Raw data (statm): 21428 18149 1111 63 0 21365 0
vsize: 85712
[startup+40.0025 s]
Raw data (loadavg): 0.89 0.92 0.91 2/55 26980
Raw data (stat): 26980 (bsolo_mis) R 26979 7876 7672 0 -1 0 23946 0 0 0 3953 44 0 0 25 0 1 0 791315626 111476736 23923 4294967295 134512640 134714540 3221221792 3221220020 1077414345 0 0 1 0 0 0 0 17 0 0 0
Raw data (statm): 27216 23923 1111 63 0 27153 0
vsize: 108864
[startup+50.0025 s]
Raw data (loadavg): 0.91 0.92 0.91 2/55 26980
Raw data (stat): 26980 (bsolo_mis) R 26979 7876 7672 0 -1 0 30158 0 0 0 4940 56 0 0 25 0 1 0 791315626 137043968 30135 4294967295 134512640 134714540 3221221792 3221220448 134527946 0 0 1 0 0 0 0 17 0 0 0
Raw data (statm): 33458 30135 1111 63 0 33395 0
vsize: 133832
[startup+60.0031 s]
Raw data (loadavg): 0.92 0.92 0.91 2/55 26980
Raw data (stat): 26980 (bsolo_mis) R 26979 7876 7672 0 -1 0 33754 0 0 0 5934 62 0 0 25 0 1 0 791315626 151691264 33731 4294967295 134512640 134714540 3221221792 3221220068 1077414388 0 0 1 0 0 0 0 17 0 0 0
Raw data (statm): 37034 33731 1111 63 0 36971 0
vsize: 148136
[startup+70.0033 s]
Raw data (loadavg): 0.93 0.92 0.91 2/55 26980
Raw data (stat): 26980 (bsolo_mis) R 26979 7876 7672 0 -1 0 33899 0 0 0 6934 63 0 0 25 0 1 0 791315626 152231936 33876 4294967295 134512640 134714540 3221221792 3221220068 1077414345 0 0 1 0 0 0 0 17 0 0 0
Raw data (statm): 37166 33876 1111 63 0 37103 0
vsize: 148664
[startup+80.0042 s]
Raw data (loadavg): 0.94 0.92 0.91 2/55 26980
Raw data (stat): 26980 (bsolo_mis) R 26979 7876 7672 0 -1 0 34142 0 0 0 7934 63 0 0 25 0 1 0 791315626 153313280 34119 4294967295 134512640 134714540 3221221792 3221220068 1077414385 0 0 1 0 0 0 0 17 0 0 0
Raw data (statm): 37430 34119 1111 63 0 37367 0
vsize: 149720
[startup+90.004 s]
Raw data (loadavg): 0.95 0.93 0.91 2/55 26980
Raw data (stat): 26980 (bsolo_mis) R 26979 7876 7672 0 -1 0 34653 0 0 0 8933 64 0 0 25 0 1 0 791315626 155459584 34624 4294967295 134512640 134714540 3221221792 3221220288 134539146 0 0 1 0 0 0 0 17 0 0 0
Raw data (statm): 37954 34624 1111 63 0 37891 0
vsize: 151816
[startup+100.004 s]
Raw data (loadavg): 0.96 0.93 0.91 2/55 26980
Raw data (stat): 26980 (bsolo_mis) R 26979 7876 7672 0 -1 0 49226 0 0 0 9903 94 0 0 25 0 1 0 791315626 215261184 49183 4294967295 134512640 134714540 3221221792 3221220068 1077414360 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 52554 49183 1111 63 0 52491 0
vsize: 210216
[startup+100.703 s]
Raw data (loadavg): 0.96 0.93 0.91 1/54 26980
Raw data (stat): 26980 (bsolo_mis) R 26979 7876 7672 0 -1 0 49226 0 0 0 9903 94 0 0 25 0 1 0 791315626 215261184 49183 4294967295 134512640 134714540 3221221792 3221220068 1077414360 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 52554 49183 1111 63 0 52491 0
vsize: 0

Child status: 20
Real time (s): 100.702
CPU time (s): 100.674
CPU user time (s): 99.5869
CPU system time (s): 1.08683
CPU usage (%): 99.9717
Max. virtual memory (Kb): 210216
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####