Execution Chart

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

Trace from the execution

Waiting for the VM to be ready (probing ssh)
...................................................................................................................................................................................................................
/home/mcc/execution
total 512K
-rw-r--r-- 1 mcc users 3.7K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 20K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 15 18:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 15 18:50 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K May 15 18:50 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 2.8K May 26 09:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 13K May 26 09:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 26 09:27 LTLFireability.txt
-rw-r--r-- 1 mcc users 8.4K May 26 09:27 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 16K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 116 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 354 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 2.9K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 16K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 15 18:50 equiv_col
-rw-r--r-- 1 mcc users 9 May 15 18:50 instance
-rw-r--r-- 1 mcc users 6 May 15 18:50 iscolored
-rw-r--r-- 1 mcc users 346K May 15 18:50 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool irma4mcc-structural
Input is ResAllocation-PT-R003C050, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r139-qhx2-152673581600368
=====================================================================

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME ResAllocation-PT-R003C050-CTLFireability-00
FORMULA_NAME ResAllocation-PT-R003C050-CTLFireability-01
FORMULA_NAME ResAllocation-PT-R003C050-CTLFireability-02
FORMULA_NAME ResAllocation-PT-R003C050-CTLFireability-03
FORMULA_NAME ResAllocation-PT-R003C050-CTLFireability-04
FORMULA_NAME ResAllocation-PT-R003C050-CTLFireability-05
FORMULA_NAME ResAllocation-PT-R003C050-CTLFireability-06
FORMULA_NAME ResAllocation-PT-R003C050-CTLFireability-07
FORMULA_NAME ResAllocation-PT-R003C050-CTLFireability-08
FORMULA_NAME ResAllocation-PT-R003C050-CTLFireability-09
FORMULA_NAME ResAllocation-PT-R003C050-CTLFireability-10
FORMULA_NAME ResAllocation-PT-R003C050-CTLFireability-11
FORMULA_NAME ResAllocation-PT-R003C050-CTLFireability-12
FORMULA_NAME ResAllocation-PT-R003C050-CTLFireability-13
FORMULA_NAME ResAllocation-PT-R003C050-CTLFireability-14
FORMULA_NAME ResAllocation-PT-R003C050-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1527802973165


BK_STOP 1527803317480

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

Prefix is 75f5f979.
Reading known information in /usr/share/mcc4mcc/75f5f979-known.json.
Reading learned information in /usr/share/mcc4mcc/75f5f979-learned.json.
Reading value translations in /usr/share/mcc4mcc/75f5f979-values.json.
Using directory /home/mcc/execution for input, as it contains a model.pnml file.
Using ResAllocation-PT-R003C050 as instance name.
Using ResAllocation as model name.
Using algorithm or tool bmdt.
Model characteristics are: {'Examination': 'CTLFireability', 'Place/Transition': True, 'Colored': False, 'Relative-Time': 1, 'Relative-Memory': 1, 'Ordinary': True, 'Simple Free Choice': False, 'Extended Free Choice': False, 'State Machine': False, 'Marked Graph': False, 'Connected': True, 'Strongly Connected': True, 'Source Place': False, 'Sink Place': False, 'Source Transition': False, 'Sink Transition': False, 'Loop Free': True, 'Conservative': False, 'Sub-Conservative': False, 'Nested Units': False, 'Safe': True, 'Deadlock': True, 'Reversible': False, 'Quasi Live': True, 'Live': False}.
Known tools are: [{'Time': 57848, 'Memory': 3212.73, 'Tool': 'marcie'}, {'Time': 62675, 'Memory': 3213.11, 'Tool': 'marcie'}, {'Time': 2001520, 'Memory': 15952.71, 'Tool': 'lola'}, {'Time': 2092886, 'Memory': 15952.33, 'Tool': 'lola'}].
Learned tools are: [{'Tool': 'itstools'}].
CTLFireability marcie ResAllocation-PT-R003C050...
timeout --kill-after=10s --signal=SIGINT 1m for testing only

Marcie rev. 8852M (built: crohr on 2017-05-03)
A model checker for Generalized Stochastic Petri nets

authors: Alex Tovchigrechko (IDD package and CTL model checking)

Martin Schwarick (Symbolic numerical analysis and CSL model checking)

check for maximal unmarked siphon
ok
Christian Rohr (Simulative and approximative numerical model checking)

marcie@informatik.tu-cottbus.de

called as: marcie --net-file=model.pnml --mcc-file=CTLFireability.xml --memory=6

parse successfull
net created successfully

Net: ResAllocation_PT_R003C050
(NrP: 300 NrTr: 200 NrArc: 894)

check for constant places
ok
parse formulas
formulas created successfully
place and transition orderings generation:0m 0.008sec

check if there are places and transitions
ok
check if there are transitions without pre-places
ok
check if at least one transition is enabled in m0
ok
check if there are transitions that can never fire
ok

net check time: 0m 0.000sec

init dd package: 0m26.782sec


initing FirstDep: 0m 0.000sec


iterations count:1526 (7), effective:300 (1)

initing FirstDep: 0m 0.000sec


RS generation: 0m 0.144sec


-> reachability set: #nodes 1126 (1.1e+03) #states 48,717,538,008,124,384,423,924,727,808 (28)



starting MCC model checker
--------------------------


iterations count:208 (1), effective:1 (0)
checking: AF [~ [~ [AG [IS_FIREABLE [t_10_3]]]]]
normalized: ~ [EG [E [true U ~ [IS_FIREABLE [t_10_3]]]]]


iterations count:302 (1), effective:15 (0)

EG iterations: 0
-> the formula is FALSE

FORMULA ResAllocation-PT-R003C050-CTLFireability-00 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.251sec

checking: AF [AX [IS_FIREABLE [t_37_0]]]
normalized: ~ [EG [EX [~ [IS_FIREABLE [t_37_0]]]]]

.......................................
after gc: zbdd nodes used:68816, unused:18681184.....................................
EG iterations: 75
-> the formula is FALSE

FORMULA ResAllocation-PT-R003C050-CTLFireability-01 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m21.683sec

checking: ~ [EF [EF [IS_FIREABLE [t_29_0]]]]
normalized: ~ [E [true U E [true U IS_FIREABLE [t_29_0]]]]


iterations count:200 (1), effective:0 (0)

iterations count:366 (1), effective:25 (0)
-> the formula is FALSE

FORMULA ResAllocation-PT-R003C050-CTLFireability-02 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.338sec

checking: ~ [~ [EG [AF [IS_FIREABLE [t_33_3]]]]]
normalized: EG [~ [EG [~ [IS_FIREABLE [t_33_3]]]]]

............................................................................
EG iterations: 76
....
after gc: zbdd nodes used:28361, unused:37471639..........................................................................
EG iterations: 78
-> the formula is TRUE

FORMULA ResAllocation-PT-R003C050-CTLFireability-04 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m34.177sec

checking: ~ [AX [AF [[IS_FIREABLE [t_5_3] | IS_FIREABLE [t_32_3]]]]]
normalized: EX [EG [~ [[IS_FIREABLE [t_5_3] | IS_FIREABLE [t_32_3]]]]]

............................................................................
EG iterations: 76
.-> the formula is TRUE

FORMULA ResAllocation-PT-R003C050-CTLFireability-15 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m14.398sec

checking: AG [AF [[~ [IS_FIREABLE [t_17_3]] | [IS_FIREABLE [t_23_3] & IS_FIREABLE [t_47_1]]]]]
normalized: ~ [E [true U EG [~ [[[IS_FIREABLE [t_23_3] & IS_FIREABLE [t_47_1]] | ~ [IS_FIREABLE [t_17_3]]]]]]]

..........................................
after gc: zbdd nodes used:105116, unused:74894884......................................
EG iterations: 80
-> the formula is FALSE

FORMULA ResAllocation-PT-R003C050-CTLFireability-05 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m30.298sec

checking: [AF [[AX [IS_FIREABLE [t_20_2]] | AG [IS_FIREABLE [t_29_2]]]] & ~ [IS_FIREABLE [t_26_2]]]
normalized: [~ [IS_FIREABLE [t_26_2]] & ~ [EG [~ [[~ [E [true U ~ [IS_FIREABLE [t_29_2]]]] | ~ [EX [~ [IS_FIREABLE [t_20_2]]]]]]]]]


iterations count:235 (1), effective:6 (0)
............................................................................
EG iterations: 75
-> the formula is FALSE

FORMULA ResAllocation-PT-R003C050-CTLFireability-07 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m16.119sec

checking: [AF [A [IS_FIREABLE [t_20_0] U IS_FIREABLE [t_41_0]]] & ~ [AF [EG [IS_FIREABLE [t_6_2]]]]]
normalized: [EG [~ [EG [IS_FIREABLE [t_6_2]]]] & ~ [EG [~ [[~ [EG [~ [IS_FIREABLE [t_41_0]]]] & ~ [E [~ [IS_FIREABLE [t_41_0]] U [~ [IS_FIREABLE [t_20_0]] & ~ [IS_FIREABLE [t_41_0]]]]]]]]]]


iterations count:262 (1), effective:10 (0)
.
EG iterations: 1
.
EG iterations: 1
.........................................................................
EG iterations: 73
.
EG iterations: 1
-> the formula is FALSE

FORMULA ResAllocation-PT-R003C050-CTLFireability-08 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m13.692sec

checking: AX [[AF [[IS_FIREABLE [t_1_0] & IS_FIREABLE [t_43_1]]] & ~ [IS_FIREABLE [t_46_2]]]]
normalized: ~ [EX [~ [[~ [IS_FIREABLE [t_46_2]] & ~ [EG [~ [[IS_FIREABLE [t_1_0] & IS_FIREABLE [t_43_1]]]]]]]]]

.
EG iterations: 1
.-> the formula is FALSE

FORMULA ResAllocation-PT-R003C050-CTLFireability-11 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.233sec

checking: EG [[[~ [~ [IS_FIREABLE [t_28_3]]] | ~ [[IS_FIREABLE [t_20_3] | IS_FIREABLE [t_41_2]]]] & ~ [EX [IS_FIREABLE [t_21_0]]]]]
normalized: EG [[~ [EX [IS_FIREABLE [t_21_0]]] & [IS_FIREABLE [t_28_3] | ~ [[IS_FIREABLE [t_20_3] | IS_FIREABLE [t_41_2]]]]]]

...........................................................................
EG iterations: 74
-> the formula is TRUE

FORMULA ResAllocation-PT-R003C050-CTLFireability-03 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 9.978sec

checking: AF [[AX [[IS_FIREABLE [t_27_3] & IS_FIREABLE [t_36_3]]] | AX [[IS_FIREABLE [t_36_0] | IS_FIREABLE [t_1_1]]]]]
normalized: ~ [EG [~ [[~ [EX [~ [[IS_FIREABLE [t_36_0] | IS_FIREABLE [t_1_1]]]]] | ~ [EX [~ [[IS_FIREABLE [t_27_3] & IS_FIREABLE [t_36_3]]]]]]]]]

.............................................................................
EG iterations: 75
-> the formula is FALSE

FORMULA ResAllocation-PT-R003C050-CTLFireability-09 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m27.274sec

checking: [[E [~ [IS_FIREABLE [t_35_2]] U [IS_FIREABLE [t_20_0] | IS_FIREABLE [t_27_3]]] & EF [EF [IS_FIREABLE [t_4_3]]]] | ~ [IS_FIREABLE [t_21_3]]]
normalized: [~ [IS_FIREABLE [t_21_3]] | [E [true U E [true U IS_FIREABLE [t_4_3]]] & E [~ [IS_FIREABLE [t_35_2]] U [IS_FIREABLE [t_20_0] | IS_FIREABLE [t_27_3]]]]]


iterations count:270 (1), effective:10 (0)

iterations count:299 (1), effective:15 (0)

iterations count:200 (1), effective:0 (0)

iterations count:211 (1), effective:2 (0)
-> the formula is TRUE

FORMULA ResAllocation-PT-R003C050-CTLFireability-06 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.850sec

checking: EG [[[AG [IS_FIREABLE [t_48_2]] | [[IS_FIREABLE [t_37_3] | IS_FIREABLE [t_37_1]] | IS_FIREABLE [t_15_3]]] | IS_FIREABLE [t_39_3]]]
normalized: EG [[[[[IS_FIREABLE [t_37_3] | IS_FIREABLE [t_37_1]] | IS_FIREABLE [t_15_3]] | ~ [E [true U ~ [IS_FIREABLE [t_48_2]]]]] | IS_FIREABLE [t_39_3]]]


iterations count:299 (1), effective:15 (0)
.....................
after gc: zbdd nodes used:384467, unused:149615533........................................................
EG iterations: 77
-> the formula is TRUE

FORMULA ResAllocation-PT-R003C050-CTLFireability-10 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 1m29.687sec

checking: ~ [[IS_FIREABLE [t_6_0] & [EG [~ [IS_FIREABLE [t_8_1]]] | [[~ [IS_FIREABLE [t_40_0]] | ~ [IS_FIREABLE [t_19_3]]] & [~ [IS_FIREABLE [t_44_0]] | ~ [IS_FIREABLE [t_12_0]]]]]]]
normalized: ~ [[[[[~ [IS_FIREABLE [t_12_0]] | ~ [IS_FIREABLE [t_44_0]]] & [~ [IS_FIREABLE [t_19_3]] | ~ [IS_FIREABLE [t_40_0]]]] | EG [~ [IS_FIREABLE [t_8_1]]]] & IS_FIREABLE [t_6_0]]]

.........................................................................
EG iterations: 73
-> the formula is FALSE

FORMULA ResAllocation-PT-R003C050-CTLFireability-14 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m14.309sec

checking: [~ [EG [EF [IS_FIREABLE [t_38_3]]]] | [[EG [IS_FIREABLE [t_46_2]] & ~ [~ [[IS_FIREABLE [t_35_3] & IS_FIREABLE [t_21_1]]]]] | [[[IS_FIREABLE [t_41_3] | [IS_FIREABLE [t_26_2] | IS_FIREABLE [t_28_1]]] & ~ [~ [IS_FIREABLE [t_16_2]]]] | E [IS_FIREABLE [t_16_2] U IS_FIREABLE [t_14_3]]]]]
normalized: [[[E [IS_FIREABLE [t_16_2] U IS_FIREABLE [t_14_3]] | [[[IS_FIREABLE [t_26_2] | IS_FIREABLE [t_28_1]] | IS_FIREABLE [t_41_3]] & IS_FIREABLE [t_16_2]]] | [[IS_FIREABLE [t_35_3] & IS_FIREABLE [t_21_1]] & EG [IS_FIREABLE [t_46_2]]]] | ~ [EG [E [true U IS_FIREABLE [t_38_3]]]]]


iterations count:257 (1), effective:9 (0)
.
EG iterations: 1
.........................................................................
EG iterations: 73
-> the formula is FALSE

FORMULA ResAllocation-PT-R003C050-CTLFireability-13 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 9.682sec

checking: [[[~ [AG [IS_FIREABLE [t_10_3]]] & EF [~ [IS_FIREABLE [t_1_2]]]] & [[[[IS_FIREABLE [t_40_3] | IS_FIREABLE [t_10_1]] & IS_FIREABLE [t_23_3]] & IS_FIREABLE [t_12_1]] & AF [[IS_FIREABLE [t_25_1] | IS_FIREABLE [t_49_0]]]]] | AG [[~ [[IS_FIREABLE [t_20_3] & IS_FIREABLE [t_10_3]]] | [[IS_FIREABLE [t_23_0] & IS_FIREABLE [t_37_2]] | ~ [IS_FIREABLE [t_34_0]]]]]]
normalized: [~ [E [true U ~ [[[~ [IS_FIREABLE [t_34_0]] | [IS_FIREABLE [t_23_0] & IS_FIREABLE [t_37_2]]] | ~ [[IS_FIREABLE [t_20_3] & IS_FIREABLE [t_10_3]]]]]]] | [[~ [EG [~ [[IS_FIREABLE [t_25_1] | IS_FIREABLE [t_49_0]]]]] & [[[IS_FIREABLE [t_40_3] | IS_FIREABLE [t_10_1]] & IS_FIREABLE [t_23_3]] & IS_FIREABLE [t_12_1]]] & [E [true U ~ [IS_FIREABLE [t_1_2]]] & E [true U ~ [IS_FIREABLE [t_10_3]]]]]]


iterations count:208 (1), effective:1 (0)

iterations count:204 (1), effective:1 (0)
..........................................................................
EG iterations: 74

iterations count:439 (2), effective:36 (0)
-> the formula is FALSE

FORMULA ResAllocation-PT-R003C050-CTLFireability-12 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m14.430sec

totally nodes used: 205520018(2.1e+08)
number of garbage collections: 4
fire ops cache: hits/miss/sum: 74048632 124560352 198608984
used/not used/entry size/cache size: 29416189 37692675 16 1024MB
basic ops cache: hits/miss/sum: 94330175 170067702 264397877
used/not used/entry size/cache size: 16754448 22768 12 192MB
unary ops cache: hits/miss/sum: 0 11175 11175
used/not used/entry size/cache size: 0 8388608 8 64MB
abstract ops cache: hits/miss/sum: 0 0 0
used/not used/entry size/cache size: 0 8388608 12 96MB
state nr cache: hits/miss/sum: 343 1126 1469
used/not used/entry size/cache size: 0 2097152 32 64MB
max state cache: hits/miss/sum: 0 0 0
used/not used/entry size/cache size: 0 8388608 32 256MB
uniqueHash elements/entry size/size: 67108864 4 256MB
0 25259679
1 24715652
2 12056326
3 3911843
4 948134
5 183210
6 29395
7 4076
8 491
9 53
>= 10 5

Total processing time: 5m33.867sec

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="ResAllocation-PT-R003C050"
export BK_EXAMINATION="CTLFireability"
export BK_TOOL="irma4mcc-structural"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# 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

tar xzf /home/mcc/BenchKit/INPUTS/ResAllocation-PT-R003C050.tgz
mv ResAllocation-PT-R003C050 execution
cd execution
pwd
ls -lh

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-3637"
echo " Executing tool irma4mcc-structural"
echo " Input is ResAllocation-PT-R003C050, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r139-qhx2-152673581600368"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
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 ;