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/plato.asu.edu/pub/fctp/normalized-mps-v2-20-10-ran10x12.opb
MD5SUM	503b63cdbe2445afec2ea38c5efde5e4
Bench Category	optimization, big integers (OPTBIGINT)
Has Objective Function	YES
Satisfiable	YES
(Un)Satisfiability was proved	YES
Best value of the objective function	4990860
Optimality of the best value was proved	NO
Number of terms in the objective function	3720
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	679702048135
Number of bits of the sum of numbers in the objective function	40
Biggest number in a constraint	5368709120
Number of bits of the biggest number in a constraint	33
Biggest sum of numbers in a constraint	679702048135
Number of bits of the biggest sum of numbers	40
Best result obtained on this benchmark	SAT
Best CPU time to get the best result obtained on this benchmark	1225.37
Number of variables	3720
Total number of constraints	142
Number of constraints which are clauses	0
Number of constraints which are cardinality constraints (but not clauses)	0
Number of constraints which are nor clauses,nor cardinality constraints	142
Minimum length of a constraint	31
Maximum length of a constraint	360

Trace number 41241

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc1 THE 2005-06-09 09:21:54 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=29312 boxname=wulflinc1 idbench=1096 idsolver=21 numberseed=0
MD5SUM SOLVER: 174a32271cb3bba0a277d6d7724e60fb  /oldhome/oroussel/solvers/bsolo_lpr_cuts-v2
MD5SUM BENCH:  503b63cdbe2445afec2ea38c5efde5e4  /oldhome/oroussel/tmp/wulflinc1/normalized-mps-v2-20-10-ran10x12.opb
REAL COMMAND:  bsolo_lpr_cuts-v2 /oldhome/oroussel/tmp/wulflinc1/normalized-mps-v2-20-10-ran10x12.opb
IDLAUNCH: 29312
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.053
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	: 2
cpu MHz		: 451.053
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:        870900 kB
Buffers:         18368 kB
Cached:         121388 kB
SwapCached:       1140 kB
Active:          26252 kB
Inactive:       115660 kB
HighTotal:      131008 kB
HighFree:         8624 kB
LowTotal:       903652 kB
LowFree:        862276 kB
SwapTotal:     2097136 kB
SwapFree:      2094820 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5260 kB
Slab:            16024 kB
Committed_AS:    92716 kB
PageTables:        332 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-09 09:21:57 (client local time) WITH STATUS 20 IN 2.16267 SECONDS
stats: 29312 7 2.16267 20
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c INFO: OSL Context initialized.
c Initial problem consists of 3720 variables and 154 constraints.
s UNSATISFIABLE
c Exit Code: 20
c Total time: 2.152 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
Enforcing Stack size limit: 67108864 bytes
Current StackSize limit: 67108864 bytes
Raw data (loadavg): 0.74 0.91 0.89 2/55 2168
Raw data (stat): 2168 (runsolver) R 2167 8378 8377 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 852300261 884736 94 4294967295 134512640 135332820 3221224448 3221219628 135092226 0 2147483391 7 90112 0 0 0 17 0 0 0
Raw data (statm): 216 94 205 205 0 11 0
vsize: 864
[startup+2.18318 s]
Raw data (loadavg): 0.76 0.91 0.89 1/54 2168
Raw data (stat): 2168 (runsolver) R 2167 8378 8377 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 852300261 884736 94 4294967295 134512640 135332820 3221224448 3221219628 135092226 0 2147483391 7 90112 0 0 0 17 0 0 0
Raw data (statm): 216 94 205 205 0 11 0
vsize: 0

Child status: 20
Real time (s): 2.18254
CPU time (s): 2.16267
CPU user time (s): 2.08468
CPU system time (s): 0.077988
CPU usage (%): 99.0895
Max. virtual memory (Kb): 864
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####