Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2021-input.r175-tajo-162089411600531.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
...........................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool lola
Input is Referendum-PT-0020, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r175-tajo-162089411600531
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 772K
-rw-r--r-- 1 mcc users 51K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 282K May 10 09:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 14K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 109K May 10 09:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 12K Mar 28 16:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 49K Mar 28 16:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 28 16:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 34K Mar 28 16:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 27 10:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 56K Mar 27 10:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K Mar 25 13:43 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 25 13:43 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 22 08:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 8.2K Mar 22 08:15 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 5 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 23K May 5 16:51 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME Referendum-PT-0020-UpperBounds-00
FORMULA_NAME Referendum-PT-0020-UpperBounds-01
FORMULA_NAME Referendum-PT-0020-UpperBounds-02
FORMULA_NAME Referendum-PT-0020-UpperBounds-03
FORMULA_NAME Referendum-PT-0020-UpperBounds-04
FORMULA_NAME Referendum-PT-0020-UpperBounds-05
FORMULA_NAME Referendum-PT-0020-UpperBounds-06
FORMULA_NAME Referendum-PT-0020-UpperBounds-07
FORMULA_NAME Referendum-PT-0020-UpperBounds-08
FORMULA_NAME Referendum-PT-0020-UpperBounds-09
FORMULA_NAME Referendum-PT-0020-UpperBounds-10
FORMULA_NAME Referendum-PT-0020-UpperBounds-11
FORMULA_NAME Referendum-PT-0020-UpperBounds-12
FORMULA_NAME Referendum-PT-0020-UpperBounds-13
FORMULA_NAME Referendum-PT-0020-UpperBounds-14
FORMULA_NAME Referendum-PT-0020-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1621090778123

starting LoLA
BK_INPUT Referendum-PT-0020
BK_EXAMINATION: UpperBounds
bin directory: /home/mcc/BenchKit/bin
current directory: /home/mcc/execution
Upper Bounds

FORMULA Referendum-PT-0020-UpperBounds-06 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA Referendum-PT-0020-UpperBounds-00 20 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA Referendum-PT-0020-UpperBounds-13 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA Referendum-PT-0020-UpperBounds-07 20 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA Referendum-PT-0020-UpperBounds-04 20 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA Referendum-PT-0020-UpperBounds-14 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA Referendum-PT-0020-UpperBounds-02 20 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA Referendum-PT-0020-UpperBounds-08 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA Referendum-PT-0020-UpperBounds-05 20 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA Referendum-PT-0020-UpperBounds-11 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA Referendum-PT-0020-UpperBounds-01 20 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA Referendum-PT-0020-UpperBounds-15 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA Referendum-PT-0020-UpperBounds-09 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA Referendum-PT-0020-UpperBounds-03 20 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA Referendum-PT-0020-UpperBounds-10 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA Referendum-PT-0020-UpperBounds-12 1 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1621090778228

--------------------
content from stderr:

lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/UpperBounds.xml
lola: Rule S: 0 transitions removed,0 places removed
lola: LAUNCH task # 50 (type EXCL) for 18 Referendum-PT-0020-UpperBounds-06
lola: time limit : 133 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 48 (type FNDP) for 18 Referendum-PT-0020-UpperBounds-06
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 49 (type EQUN) for 18 Referendum-PT-0020-UpperBounds-06
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 51 (type FNDP) for 12 Referendum-PT-0020-UpperBounds-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Structural Bound: 1
lola: REPORT NUM
lola: FINISHED task # 50 (type EXCL) for Referendum-PT-0020-UpperBounds-06
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 48 (type FNDP) for Referendum-PT-0020-UpperBounds-06 (obsolete)
lola: CANCELED task # 49 (type EQUN) for Referendum-PT-0020-UpperBounds-06 (obsolete)
lola: LAUNCH task # 70 (type EXCL) for 0 Referendum-PT-0020-UpperBounds-00
lola: time limit : 138 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 67 (type FNDP) for 21 Referendum-PT-0020-UpperBounds-07
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: REPORT NUM
lola: LAUNCH task # 68 (type EQUN) for 21 Referendum-PT-0020-UpperBounds-07
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 48 (type FNDP) for Referendum-PT-0020-UpperBounds-06
lola: tried executions : 1
lola: time used : 0.000000
lola: Structural Bound: 20
lola: REPORT NUM
lola: FINISHED task # 70 (type EXCL) for Referendum-PT-0020-UpperBounds-00
lola: markings : 21
lola: fired transitions : 20
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 86 (type EXCL) for 39 Referendum-PT-0020-UpperBounds-13
lola: time limit : 150 sec
lola: memory limit: 32 pages
lola: Structural Bound: 1
lola: REPORT NUM
lola: FINISHED task # 86 (type EXCL) for Referendum-PT-0020-UpperBounds-13
lola: markings : 2
lola: fired transitions : 1
lola: time used : 0.000000
lola: memory pages used : 1
lola: REPORT NUM
lola: LAUNCH task # 84 (type EXCL) for 42 Referendum-PT-0020-UpperBounds-14
lola: time limit : 163 sec
lola: memory limit: 32 pages
lola: FINISHED task # 67 (type FNDP) for Referendum-PT-0020-UpperBounds-07
lola: tried executions : 1
lola: time used : 0.000000
lola: CANCELED task # 68 (type EQUN) for Referendum-PT-0020-UpperBounds-07 (obsolete)
lola: LAUNCH task # 54 (type FNDP) for 6 Referendum-PT-0020-UpperBounds-02
lola: time limit : 32000000 sec
sara: try reading problem file /home/mcc/execution/UpperBounds-49.sara.
lola: memory limit: 5 pages
lola: LAUNCH task # 62 (type EQUN) for 6 Referendum-PT-0020-UpperBounds-02
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: REPORT NUM
lola: FINISHED task # 51 (type FNDP) for Referendum-PT-0020-UpperBounds-04
lola: fired transitions : 19
lola: tried executions : 1
lola: time used : 0.000000
lola: REPORT NUM
lola: LAUNCH task # 55 (type FNDP) for 3 Referendum-PT-0020-UpperBounds-01
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
sara: error: :5: error: syntax error, unexpected $end, expecting KEY_TRANSITIONlola:
sara: Structural Bound: 1error while reading Petri net from file
-- aborting [#04]
sara: lola: see manual for a documentation of this error
REPORT NUMsara:
last error message: No such file or directorylola:
FINISHED task # 84 (type EXCL) for Referendum-PT-0020-UpperBounds-14
lola: markings : 2
lola: fired transitions : 1
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 92 (type EXCL) for 24 Referendum-PT-0020-UpperBounds-08
lola: time limit : 225 sec
lola: memory limit: 32 pages
lola: FINISHED task # 54 (type FNDP) for Referendum-PT-0020-UpperBounds-02
lola: tried executions : 1
lola: time used : 0.000000
lola: CANCELED task # 62 (type EQUN) for Referendum-PT-0020-UpperBounds-02 (obsolete)
lola: LAUNCH task # 60 (type FNDP) for 15 Referendum-PT-0020-UpperBounds-05
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 61 (type FNDP) for 27 Referendum-PT-0020-UpperBounds-09
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Structural Bound: 1
lola: REPORT NUM
lola: FINISHED task # 92 (type EXCL) for Referendum-PT-0020-UpperBounds-08
lola: markings : 2
lola: fired transitions : 1
lola: time used : 0.000000
lola: memory pages used : 1
sara: try reading problem file /home/mcc/execution/UpperBounds-68.sara.
sara: sara: place or transition ordering is non-deterministictry reading problem file /home/mcc/execution/UpperBounds-62.sara.

lola: LAUNCH task # 95 (type EXCL) for 33 Referendum-PT-0020-UpperBounds-11
lola: time limit : 257 sec
lola: memory limit: 32 pages
sara: place or transition ordering is non-deterministic
lola: REPORT NUM
lola: FINISHED task # 60 (type FNDP) for Referendum-PT-0020-UpperBounds-05
lola: fired transitions : 19
lola: tried executions : 1
lola: time used : 0.000000
lola: Structural Bound: 1
lola: REPORT NUM

lola: LAUNCH task # 63 (type FNDP) for 9 Referendum-PT-0020-UpperBounds-03
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: REPORT NUM
lola: FINISHED task # 95 (type EXCL) for Referendum-PT-0020-UpperBounds-11
lola: markings : 2
lola: fired transitions : 1
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 89 (type EXCL) for 45 Referendum-PT-0020-UpperBounds-15
lola: time limit : 360 sec
lola: memory limit: 32 pages
lola: FINISHED task # 55 (type FNDP) for Referendum-PT-0020-UpperBounds-01
lola:
fired transitions : 19
lola: tried executions : 1
lola: time used : 0.000000
lola: LAUNCH task # 64 (type FNDP) for 36 Referendum-PT-0020-UpperBounds-12
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: REPORT NUM
lola: FINISHED task # 68 (type EQUN) for Referendum-PT-0020-UpperBounds-07
lola: time used : 0.000000
lola: REPORT NUM
lola: REPORT NUM
lola: Structural Bound: 1
lola: REPORT NUM
lola: FINISHED task # 89 (type EXCL) for Referendum-PT-0020-UpperBounds-15
lola: markings : 2
lola: fired transitions : 1
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 81 (type EXCL) for 27 Referendum-PT-0020-UpperBounds-09
lola: time limit : 514 sec
lola: memory limit: 32 pages
lola: FINISHED task # 61 (type FNDP) for Referendum-PT-0020-UpperBounds-09
lola: tried executions : 1
lola: time used : 0.000000
lola: CANCELED task # 81 (type EXCL) for Referendum-PT-0020-UpperBounds-09 (obsolete)
lola: LAUNCH task # 80 (type EXCL) for 9 Referendum-PT-0020-UpperBounds-03
lola: time limit : 720 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 75 (type FNDP) for 30 Referendum-PT-0020-UpperBounds-10
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 63 (type FNDP) for Referendum-PT-0020-UpperBounds-03
lola: fired transitions : 19
lola: tried executions : 1
lola: time used : 0.000000
lola: CANCELED task # 80 (type EXCL) for Referendum-PT-0020-UpperBounds-03 (obsolete)
lola: Structural Bound: 1
lola: LAUNCH task # 77 (type EXCL) for 30 Referendum-PT-0020-UpperBounds-10
lola: time limit : 900 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 65 (type EQUN) for 36 Referendum-PT-0020-UpperBounds-12
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Structural Bound: 1
lola: FINISHED task # 49 (type EQUN) for Referendum-PT-0020-UpperBounds-06
lola: REPORT NUM
lola: Structural Bound: 20
lola: result : unknown
lola: time used : 0.000000
lola: memory pages used : 0
lola: FINISHED task # 77 (type EXCL) for Referendum-PT-0020-UpperBounds-10
lola: markings : 2
lola: fired transitions : 1
lola: time used : 0.000000
lola: memory pages used : 1
lola: REPORT NUM
lola: REPORT NUM
lola: CANCELED task # 75 (type FNDP) for Referendum-PT-0020-UpperBounds-10 (obsolete)
lola: REPORT NUM
lola: LAUNCH task # 66 (type EXCL) for 36 Referendum-PT-0020-UpperBounds-12
lola: time limit : 1800 sec
lola: memory limit: 32 pages
lola: FINISHED task # 62 (type EQUN) for Referendum-PT-0020-UpperBounds-02
lola: time used : 0.000000
lola: FINISHED task # 75 (type FNDP) for Referendum-PT-0020-UpperBounds-10
lola: tried executions : 1
lola: time used : 0.000000
lola: FINISHED task # 64 (type FNDP) for Referendum-PT-0020-UpperBounds-12
lola: tried executions : 1
lola: time used : 0.000000
lola: Structural Bound: 1
lola: CANCELED task # 65 (type EQUN) for Referendum-PT-0020-UpperBounds-12 (obsolete)
lola: CANCELED task # 66 (type EXCL) for Referendum-PT-0020-UpperBounds-12 (obsolete)
lola: REPORT NUM
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
Referendum-PT-0020-UpperBounds-00: BOUND 20 state space
Referendum-PT-0020-UpperBounds-01: BOUND 20 findpath
Referendum-PT-0020-UpperBounds-02: BOUND 20 findpath
Referendum-PT-0020-UpperBounds-03: BOUND 20 findpath
Referendum-PT-0020-UpperBounds-04: BOUND 20 findpath
Referendum-PT-0020-UpperBounds-05: BOUND 20 findpath
Referendum-PT-0020-UpperBounds-06: BOUND 1 state space
Referendum-PT-0020-UpperBounds-07: BOUND 20 findpath
Referendum-PT-0020-UpperBounds-08: BOUND 1 state space
Referendum-PT-0020-UpperBounds-09: BOUND 1 findpath
Referendum-PT-0020-UpperBounds-10: BOUND 1 state space
Referendum-PT-0020-UpperBounds-11: BOUND 1 state space
Referendum-PT-0020-UpperBounds-12: BOUND 1 findpath
Referendum-PT-0020-UpperBounds-13: BOUND 1 state space
Referendum-PT-0020-UpperBounds-14: BOUND 1 state space
Referendum-PT-0020-UpperBounds-15: BOUND 1 state space


Time elapsed: 0 secs. Pages in use: 3

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Referendum-PT-0020"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="lola"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-4028"
echo " Executing tool lola"
echo " Input is Referendum-PT-0020, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r175-tajo-162089411600531"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Referendum-PT-0020.tgz
mv Referendum-PT-0020 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;