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/miplib/normalized-mps-v2-20-10-fixnet4.opb
MD5SUM	c588849b8a310510484f5bf14bc15ec4
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	13668
Biggest coefficient in the objective function	5368709120
Number of bits for the biggest coefficient in the objective function	33
Sum of the numbers in the objective function	2423922177090
Number of bits of the sum of numbers in the objective function	42
Biggest number in a constraint	5368709120
Number of bits of the biggest number in a constraint	33
Biggest sum of numbers in a constraint	2423922177090
Number of bits of the biggest sum of numbers	42
Best result obtained on this benchmark	UNSAT
Best CPU time to get the best result obtained on this benchmark	0.122981
Number of variables	14036
Total number of constraints	978
Number of constraints which are clauses	0
Number of constraints which are cardinality constraints (but not clauses)	378
Number of constraints which are nor clauses,nor cardinality constraints	600
Minimum length of a constraint	1
Maximum length of a constraint	1523

Trace number 28634

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc27 THE 2005-05-25 03:42:45 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=11832 boxname=wulflinc27 idbench=911 idsolver=2 numberseed=0
MD5SUM SOLVER: 754786be69defe53c030aa54f111e0a7  /oldhome/oroussel/solvers/bsolo_lpr_cuts
MD5SUM BENCH:  c588849b8a310510484f5bf14bc15ec4  /oldhome/oroussel/tmp/wulflinc27/normalized-mps-v2-20-10-fixnet4.opb
REAL COMMAND:  bsolo_lpr_cuts /oldhome/oroussel/tmp/wulflinc27/normalized-mps-v2-20-10-fixnet4.opb
IDLAUNCH: 11832
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.169
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		: 451.169
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:        675796 kB
Buffers:         29576 kB
Cached:         307744 kB
SwapCached:        640 kB
Active:          55332 kB
Inactive:       284460 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        675544 kB
SwapTotal:     2097892 kB
SwapFree:      2096760 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5648 kB
Slab:            13528 kB
Committed_AS:    63600 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-25 03:43:25 (client local time) WITH STATUS 20 IN 39.8819 SECONDS
stats: 11832 7 39.8819 20
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c INFO: OSL Context initialized.
c Initial problem consists of 14036 variables and 634 constraints.
s UNSATISFIABLE
c Exit Code: 20
c Total time: 39.851 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): 0.89 0.95 0.90 2/54 12535
Raw data (stat): 12535 (runsolver) R 12534 3394 3393 0 -1 64 4 0 0 0 0 0 0 0 19 0 1 0 835720515 1052672 99 4294967295 134512640 135381576 3221224480 3221219692 135158418 0 2147483391 7 90112 0 0 0 17 1 0 0
Raw data (statm): 257 99 215 215 0 42 0
vsize: 1028
[startup+9.99988 s]
Raw data (loadavg): 0.90 0.96 0.91 2/54 12535
Raw data (stat): 12535 (bsolo_lpr_cuts) R 12534 3394 3393 0 -1 0 2328 0 0 0 993 5 0 0 25 0 1 0 835720515 22417408 2252 4294967295 134512640 134714508 3221224576 3221223272 134533889 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 5473 2252 1111 63 0 5410 0
vsize: 21892
[startup+20.0009 s]
Raw data (loadavg): 0.92 0.96 0.91 2/54 12535
Raw data (stat): 12535 (bsolo_lpr_cuts) R 12534 3394 3393 0 -1 0 4769 0 0 0 1988 9 0 0 25 0 1 0 835720515 32342016 4693 4294967295 134512640 134714508 3221224576 3221222804 1077414413 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 7896 4693 1111 63 0 7833 0
vsize: 31584
[startup+30.0018 s]
Raw data (loadavg): 0.93 0.96 0.91 2/54 12535
Raw data (stat): 12535 (bsolo_lpr_cuts) R 12534 3394 3393 0 -1 0 8138 0 0 0 2982 16 0 0 25 0 1 0 835720515 46206976 8062 4294967295 134512640 134714508 3221224576 3221223232 134527932 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 11281 8062 1111 63 0 11218 0
vsize: 45124
[startup+39.8986 s]
Raw data (loadavg): 0.94 0.96 0.91 1/53 12535
Raw data (stat): 12535 (bsolo_lpr_cuts) R 12534 3394 3393 0 -1 0 8138 0 0 0 2982 16 0 0 25 0 1 0 835720515 46206976 8062 4294967295 134512640 134714508 3221224576 3221223232 134527932 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 11281 8062 1111 63 0 11218 0
vsize: 0

Child status: 20
Real time (s): 39.8983
CPU time (s): 39.8819
CPU user time (s): 39.596
CPU system time (s): 0.285956
CPU usage (%): 99.959
Max. virtual memory (Kb): 45124
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####