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/ftp.netlib.org/lp/data/normalized-mps-v2-13-7-gfrd-pnc.opb
MD5SUM	f72ff83237646045e70c745d89efd15d
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	18728
Biggest coefficient in the objective function	1050225536
Number of bits for the biggest coefficient in the objective function	30
Sum of the numbers in the objective function	456113132475
Number of bits of the sum of numbers in the objective function	39
Biggest number in a constraint	1050225536
Number of bits of the biggest number in a constraint	30
Biggest sum of numbers in a constraint	456113132475
Number of bits of the biggest sum of numbers	39
Best result obtained on this benchmark	UNSAT
Best CPU time to get the best result obtained on this benchmark	0.146977
Number of variables	18774
Total number of constraints	874
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	874
Minimum length of a constraint	8
Maximum length of a constraint	168

Trace number 40195

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc5 THE 2005-06-08 04:17:24 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=28264 boxname=wulflinc5 idbench=1220 idsolver=20 numberseed=0
MD5SUM SOLVER: f6aa7fb267fa9710116626be7e6d3048  /oldhome/oroussel/solvers/bsolo_lpr-v2
MD5SUM BENCH:  f72ff83237646045e70c745d89efd15d  /oldhome/oroussel/tmp/wulflinc5/normalized-mps-v2-13-7-gfrd-pnc.opb
REAL COMMAND:  bsolo_lpr-v2 /oldhome/oroussel/tmp/wulflinc5/normalized-mps-v2-13-7-gfrd-pnc.opb
IDLAUNCH: 28264
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.007
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		: 451.007
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:        748792 kB
Buffers:         21684 kB
Cached:         241460 kB
SwapCached:        696 kB
Active:          22812 kB
Inactive:       242420 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        748540 kB
SwapTotal:     2097136 kB
SwapFree:      2095508 kB
Dirty:              32 kB
Writeback:           0 kB
Mapped:           5152 kB
Slab:            14832 kB
Committed_AS:    63604 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-08 04:18:32 (client local time) WITH STATUS 20 IN 67.5767 SECONDS
stats: 28264 7 67.5767 20
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c INFO: OSL Context initialized.
c Initial problem consists of 18774 variables and 1404 constraints.
s UNSATISFIABLE
c Exit Code: 20
c Total time: 67.537 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): 0.86 0.94 0.90 1/54 13745
Raw data (stat): 13745 (runsolver) R 13744 7266 7265 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 898688775 884736 94 4294967295 134512640 135332820 3221224464 3221219644 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+10.0008 s]
Raw data (loadavg): 0.88 0.94 0.90 2/54 13745
Raw data (stat): 13745 (bsolo_lpr-v2) R 13744 7266 7265 0 -1 0 2084 0 0 0 992 5 0 0 25 0 1 0 898688775 21422080 2004 4294967295 134512640 134716908 3221224576 3221222804 1077414336 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 5230 2004 1111 63 0 5167 0
vsize: 20920
[startup+20.0014 s]
Raw data (loadavg): 0.90 0.94 0.91 2/54 13745
Raw data (stat): 13745 (bsolo_lpr-v2) R 13744 7266 7265 0 -1 0 3724 0 0 0 1990 7 0 0 25 0 1 0 898688775 28065792 3644 4294967295 134512640 134716908 3221224576 3221222804 1077414413 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 6852 3644 1111 63 0 6789 0
vsize: 27408
[startup+30.0022 s]
Raw data (loadavg): 0.92 0.94 0.91 2/54 13745
Raw data (stat): 13745 (bsolo_lpr-v2) R 13744 7266 7265 0 -1 0 5469 0 0 0 2988 10 0 0 25 0 1 0 898688775 35258368 5389 4294967295 134512640 134716908 3221224576 3221222804 1077414345 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 8608 5389 1111 63 0 8545 0
vsize: 34432
[startup+40.0025 s]
Raw data (loadavg): 0.93 0.94 0.91 2/54 13745
Raw data (stat): 13745 (bsolo_lpr-v2) R 13744 7266 7265 0 -1 0 7735 0 0 0 3984 14 0 0 25 0 1 0 898688775 44548096 7655 4294967295 134512640 134716908 3221224576 3221222804 1077414426 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 10876 7655 1111 63 0 10813 0
vsize: 43504
[startup+50.0121 s]
Raw data (loadavg): 0.94 0.95 0.91 2/54 13745
Raw data (stat): 13745 (bsolo_lpr-v2) R 13744 7266 7265 0 -1 0 10496 0 0 0 4980 19 0 0 25 0 1 0 898688775 55828480 10416 4294967295 134512640 134716908 3221224576 3221222804 1077414413 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 13630 10416 1111 63 0 13567 0
vsize: 54520
[startup+60.0123 s]
Raw data (loadavg): 0.95 0.95 0.91 2/54 13745
Raw data (stat): 13745 (bsolo_lpr-v2) R 13744 7266 7265 0 -1 0 13873 0 0 0 5974 25 0 0 25 0 1 0 898688775 69787648 13793 4294967295 134512640 134716908 3221224576 3221222804 1077414413 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 17038 13793 1111 63 0 16975 0
vsize: 68152
[startup+67.5878 s]
Raw data (loadavg): 0.95 0.95 0.91 1/53 13745
Raw data (stat): 13745 (bsolo_lpr-v2) R 13744 7266 7265 0 -1 0 13873 0 0 0 5974 25 0 0 25 0 1 0 898688775 69787648 13793 4294967295 134512640 134716908 3221224576 3221222804 1077414413 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 17038 13793 1111 63 0 16975 0
vsize: 0

Child status: 20
Real time (s): 67.5871
CPU time (s): 67.5767
CPU user time (s): 67.2028
CPU system time (s): 0.373943
CPU usage (%): 99.9846
Max. virtual memory (Kb): 68152
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####