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-v2-20-10/MIPLIB/miplib3/normalized-mps-v2-20-10-danoint.opb
MD5SUM	cdd5642b047e784e87a00fe758efc418
Bench Category	optimization, big integers (OPTBIGINT)
Has Objective Function	YES
Satisfiable	NO
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of terms in the objective function	30
Biggest coefficient in the objective function	536870912
Number of bits for the biggest coefficient in the objective function	30
Sum of the numbers in the objective function	1073741823
Number of bits of the sum of numbers in the objective function	30
Biggest number in a constraint	13421772800
Number of bits of the biggest number in a constraint	34
Biggest sum of numbers in a constraint	53690300878
Number of bits of the biggest sum of numbers	36
Best result obtained on this benchmark	UNSAT
Best CPU time to get the best result obtained on this benchmark	1.01085
Number of variables	13898
Total number of constraints	728
Number of constraints which are clauses	0
Number of constraints which are cardinality constraints (but not clauses)	72
Number of constraints which are nor clauses,nor cardinality constraints	656
Minimum length of a constraint	1
Maximum length of a constraint	1500

Trace number 26406

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc24 THE 2005-05-24 15:42:09 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=13274 boxname=wulflinc24 idbench=1022 idsolver=1 numberseed=0
MD5SUM SOLVER: e973bb179fd0e01ec8c7277096f1c3ef  /oldhome/oroussel/solvers/bsolo_lpr
MD5SUM BENCH:  cdd5642b047e784e87a00fe758efc418  /oldhome/oroussel/tmp/wulflinc24/normalized-mps-v2-20-10-danoint.opb
REAL COMMAND:  bsolo_lpr /oldhome/oroussel/tmp/wulflinc24/normalized-mps-v2-20-10-danoint.opb
IDLAUNCH: 13274
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.080
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	: 890.88

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.080
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	: 899.07

/proc/meminfo:
MemTotal:      1034660 kB
MemFree:        926416 kB
Buffers:         36016 kB
Cached:          48768 kB
SwapCached:        624 kB
Active:          59472 kB
Inactive:        27812 kB
HighTotal:      131008 kB
HighFree:        82124 kB
LowTotal:       903652 kB
LowFree:        844292 kB
SwapTotal:     2097892 kB
SwapFree:      2096776 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5648 kB
Slab:            15332 kB
Committed_AS:    63600 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-24 15:42:11 (client local time) WITH STATUS 0 IN 0.747886 SECONDS
stats: 13274 7 0.747886 0
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c INFO: OSL Context initialized.
c ERROR Parsing file!!!
c ERROR parsing line: +25*z_bit_10 +50*z_bit_9 +100*z_bit_8 +200*z_bit_7 +400*z_bit_6 +800*z_bit_5 +1600*z_bit_4 +3200*z_bit_3 +6400*z_bit_2 +12800*z_bit_1 +25600*z_bit0 +51200*z_bit1 +102400*z_bit2 +204800*z_bit3 +409600*z_bit4 +819200*z_bit5 +1638400*z_bit6 +3276800*z_bit7 +6553600*z_bit8 +13107200*z_bit9 +26214400*z_bit10 +52428800*z_bit11 +104857600*z_bit12 +209715200*z_bit13 +419430400*z_bit14 +838860800*z_bit15 +1677721600*z_bit16 +3355443200*z_bit17 +6710886400*z_bit18 +13421772800*z_bit19 +1604864*xab_bit0 -25*floab_bit_10 -50*floab_bit_9 -100*floab_bit_8 -200*floab_bit_7 -400*floab_bit_6 -800*floab_bit_5 -1600*floab_bit_4 -3200*floab_bit_3 -6400*floab_bit_2 -12800*floab_bit_1 -25600*floab_bit0 -51200*floab_bit1 -102400*floab_bit2 -204800*floab_bit3 -409600*floab_bit4 -819200*floab_bit5 -1638400*floab_bit6 -3276800*floab_bit7 -6553600*floab_bit8 -13107200*floab_bit9 -26214400*floab_bit10 -52428800*floab_bit11 -104857600*floab_bit12 -209715200*floab_bit13 -419430400*floab_bit14 -838860800*floab_bit15 -1677721600*floab_bit16 -3355443200*floab_bit17 -6710886400*floab_bit18 -13421772800*floab_bit19 >= +1604864;
c Cannot parse input file name: /oldhome/oroussel/tmp/wulflinc24/normalized-mps-v2-20-10-danoint.opb
s UNKNOWN
c Exit Code: 0
c Total time: 0.74 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): 0.92 0.98 0.99 1/54 5085
Raw data (stat): 5085 (runsolver) D 5084 4613 4612 0 -1 64 4 0 0 0 0 0 0 0 18 0 1 0 831399541 1052672 99 4294967295 134512640 135381576 3221224496 3221219712 135158418 0 2147483391 7 90112 3225161850 0 0 17 1 0 0
Raw data (statm): 257 99 215 215 0 42 0
vsize: 1028
[startup+0.788888 s]
Raw data (loadavg): 0.93 0.98 0.99 1/53 5085
Raw data (stat): 5085 (runsolver) D 5084 4613 4612 0 -1 64 4 0 0 0 0 0 0 0 18 0 1 0 831399541 1052672 99 4294967295 134512640 135381576 3221224496 3221219712 135158418 0 2147483391 7 90112 3225161850 0 0 17 1 0 0
Raw data (statm): 257 99 215 215 0 42 0
vsize: 0

Child status: 0
Real time (s): 0.788611
CPU time (s): 0.747886
CPU user time (s): 0.728889
CPU system time (s): 0.018997
CPU usage (%): 94.8359
Max. virtual memory (Kb): 1028
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####