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)
...............
=====================================================================
Generated by BenchKit 2-2270
Executing tool marcie
Input is BridgeAndVehicles-COL-V20P20N20, examination is ReachabilityBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 1
Run identifier is r190su-smll-143330904500086
=====================================================================

--------------------
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 BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-0
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-1
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-10
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-11
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-12
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-13
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-14
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-15
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-2
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-3
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-4
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-5
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-6
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-7
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-8
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-9

=== Now, execution of the tool begins

BK_START 1433426069248

Model: BridgeAndVehicles-COL-V20P20N20
reachability algorithm:
Saturation-based algorithm
variable ordering algorithm:
Calculated like in [Noa99]
--memory=6 --suppress --rs-algorithm=3 --place-order=5

Marcie rev. 1429:1432M (built: crohr on 2014-10-22)
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)

Christian Rohr (Simulative and approximative numerical model checking)

marcie@informatik.tu-cottbus.de

called as: marcie --net-file=model.pnml --mcc-file=ReachabilityBounds.xml --memory=6 --suppress --rs-algorithm=3 --place-order=5

parse successfull
net created successfully

Unfolding complete |P|=78|T|=968|A|=6927
Time for unfolding: 0m0sec

(NrP: 78 NrTr: 968 NrArc: 6927)

net check time: 0m0sec

parse formulas successfull
formulas created successfully
place and transition orderings generation:0m0sec

init dd package: 0m3sec


RS generation: 0m59sec


-> reachability set: #nodes 665401 (6.7e+05) #states 1,290,214 (6)



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

checking: [maxVal(SORTI_A)<=2 & [maxVal(NB_ATTENTE_A)<=3 & maxVal(ROUTE_B)<=3]]
normalized: [maxVal(SORTI_A)<=2 & [maxVal(NB_ATTENTE_A)<=3 & maxVal(ROUTE_B)<=3]]


FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-0CANNOT_COMPUTE

MC time: 0m0sec

checking: [maxVal(CONTROLEUR)<=3 & maxVal(ATTENTE_A)<=3]
normalized: [maxVal(CONTROLEUR)<=3 & maxVal(ATTENTE_A)<=3]


FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-1CANNOT_COMPUTE

MC time: 0m0sec

checking: maxVal(NB_ATTENTE_B)<=3
normalized: maxVal(NB_ATTENTE_B)<=3


FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-2CANNOT_COMPUTE

MC time: 0m0sec

checking: [maxVal(NB_ATTENTE_B)<=1 & [[[[maxVal(ROUTE_A)<=1 & maxVal(CHOIX)<=3] & maxVal(SUR_PONT_B)<=2] & [maxVal(ATTENTE_A)<=2 & maxVal(ATTENTE_B)<=2]] & maxVal(CONTROLEUR)<=2]]
normalized: [maxVal(NB_ATTENTE_B)<=1 & [maxVal(CONTROLEUR)<=2 & [[maxVal(SUR_PONT_B)<=2 & [maxVal(ROUTE_A)<=1 & maxVal(CHOIX)<=3]] & [maxVal(ATTENTE_A)<=2 & maxVal(ATTENTE_B)<=2]]]]


FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-3CANNOT_COMPUTE

MC time: 0m0sec

checking: [maxVal(SUR_PONT_B)<=2 & [[[maxVal(ROUTE_B)<=3 & [[maxVal(ROUTE_B)<=2 & maxVal(SUR_PONT_A)<=1] & [maxVal(SORTI_B)<=3 & maxVal(ATTENTE_A)<=1]]] & [maxVal(SORTI_A)<=1 & [[maxVal(CONTROLEUR)<=2 & maxVal(ROUTE_A)<=1] & maxVal(SORTI_B)<=1]]] & maxVal(ATTENTE_B)<=3]]
normalized: [maxVal(SUR_PONT_B)<=2 & [maxVal(ATTENTE_B)<=3 & [[maxVal(SORTI_A)<=1 & [maxVal(SORTI_B)<=1 & [maxVal(CONTROLEUR)<=2 & maxVal(ROUTE_A)<=1]]] & [maxVal(ROUTE_B)<=3 & [[maxVal(SORTI_B)<=3 & maxVal(ATTENTE_A)<=1] & [maxVal(ROUTE_B)<=2 & maxVal(SUR_PONT_A)<=1]]]]]]


FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-4CANNOT_COMPUTE

MC time: 0m0sec

checking: [[[[[[maxVal(NB_ATTENTE_B)<=1 & maxVal(SUR_PONT_A)<=3] & maxVal(SUR_PONT_A)<=3] & maxVal(NB_ATTENTE_A)<=3] & maxVal(COMPTEUR)<=3] & maxVal(VIDANGE)<=1] & maxVal(VIDANGE)<=1]
normalized: [maxVal(VIDANGE)<=1 & [maxVal(VIDANGE)<=1 & [maxVal(COMPTEUR)<=3 & [maxVal(NB_ATTENTE_A)<=3 & [maxVal(SUR_PONT_A)<=3 & [maxVal(NB_ATTENTE_B)<=1 & maxVal(SUR_PONT_A)<=3]]]]]]


FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-5CANNOT_COMPUTE

MC time: 0m0sec

checking: maxVal(COMPTEUR)<=3
normalized: maxVal(COMPTEUR)<=3


FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-6CANNOT_COMPUTE

MC time: 0m0sec

checking: [[[[[maxVal(ATTENTE_A)<=2 & maxVal(ROUTE_A)<=3] & maxVal(VIDANGE)<=3] & [[maxVal(SUR_PONT_B)<=2 & maxVal(SORTI_B)<=2] & [maxVal(VIDANGE)<=3 & [maxVal(CAPACITE)<=1 & maxVal(NB_ATTENTE_A)<=2]]]] & maxVal(ATTENTE_B)<=1] & maxVal(SORTI_A)<=1]
normalized: [maxVal(SORTI_A)<=1 & [maxVal(ATTENTE_B)<=1 & [[[maxVal(VIDANGE)<=3 & [maxVal(CAPACITE)<=1 & maxVal(NB_ATTENTE_A)<=2]] & [maxVal(SUR_PONT_B)<=2 & maxVal(SORTI_B)<=2]] & [maxVal(VIDANGE)<=3 & [maxVal(ATTENTE_A)<=2 & maxVal(ROUTE_A)<=3]]]]]


FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-7CANNOT_COMPUTE

MC time: 0m0sec

checking: maxVal(COMPTEUR)<=2
normalized: maxVal(COMPTEUR)<=2


FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-8CANNOT_COMPUTE

MC time: 0m0sec

checking: [maxVal(NB_ATTENTE_B)<=2 & [[maxVal(SORTI_B)<=2 & [maxVal(COMPTEUR)<=2 & maxVal(VIDANGE)<=3]] & maxVal(SUR_PONT_A)<=3]]
normalized: [maxVal(NB_ATTENTE_B)<=2 & [maxVal(SUR_PONT_A)<=3 & [maxVal(SORTI_B)<=2 & [maxVal(COMPTEUR)<=2 & maxVal(VIDANGE)<=3]]]]


FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-9CANNOT_COMPUTE

MC time: 0m0sec

checking: [[maxVal(ATTENTE_A)<=3 & maxVal(SORTI_A)<=3] & maxVal(ROUTE_B)<=2]
normalized: [maxVal(ROUTE_B)<=2 & [maxVal(ATTENTE_A)<=3 & maxVal(SORTI_A)<=3]]


FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-10CANNOT_COMPUTE

MC time: 0m0sec

checking: [maxVal(CHOIX)<=1 & [[[maxVal(NB_ATTENTE_B)<=3 & [maxVal(CONTROLEUR)<=3 & [maxVal(ROUTE_A)<=2 & maxVal(ROUTE_A)<=2]]] & [maxVal(SUR_PONT_A)<=3 & [maxVal(VIDANGE)<=1 & maxVal(ROUTE_A)<=2]]] & [[maxVal(CAPACITE)<=2 & [[maxVal(ROUTE_A)<=1 & maxVal(SUR_PONT_A)<=1] & [maxVal(CAPACITE)<=3 & maxVal(ATTENTE_A)<=3]]] & maxVal(ROUTE_B)<=3]]]
normalized: [maxVal(CHOIX)<=1 & [[[maxVal(SUR_PONT_A)<=3 & [maxVal(VIDANGE)<=1 & maxVal(ROUTE_A)<=2]] & [maxVal(NB_ATTENTE_B)<=3 & [maxVal(CONTROLEUR)<=3 & [maxVal(ROUTE_A)<=2 & maxVal(ROUTE_A)<=2]]]] & [maxVal(ROUTE_B)<=3 & [maxVal(CAPACITE)<=2 & [[maxVal(CAPACITE)<=3 & maxVal(ATTENTE_A)<=3] & [maxVal(ROUTE_A)<=1 & maxVal(SUR_PONT_A)<=1]]]]]]


FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-11CANNOT_COMPUTE

MC time: 0m0sec

checking: maxVal(ROUTE_A)<=1
normalized: maxVal(ROUTE_A)<=1


FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-12CANNOT_COMPUTE

MC time: 0m0sec

checking: maxVal(CHOIX)<=2
normalized: maxVal(CHOIX)<=2


FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-13CANNOT_COMPUTE

MC time: 0m0sec

checking: [[maxVal(NB_ATTENTE_A)<=1 & [maxVal(NB_ATTENTE_A)<=2 & [[[maxVal(CHOIX)<=1 & maxVal(CHOIX)<=1] & maxVal(ATTENTE_A)<=2] & maxVal(CONTROLEUR)<=3]]] & [maxVal(CAPACITE)<=3 & maxVal(ATTENTE_B)<=1]]
normalized: [[maxVal(CAPACITE)<=3 & maxVal(ATTENTE_B)<=1] & [maxVal(NB_ATTENTE_A)<=1 & [maxVal(NB_ATTENTE_A)<=2 & [maxVal(CONTROLEUR)<=3 & [maxVal(ATTENTE_A)<=2 & [maxVal(CHOIX)<=1 & maxVal(CHOIX)<=1]]]]]]


FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-14CANNOT_COMPUTE

MC time: 0m0sec

checking: [maxVal(CONTROLEUR)<=2 & maxVal(NB_ATTENTE_B)<=1]
normalized: [maxVal(CONTROLEUR)<=2 & maxVal(NB_ATTENTE_B)<=1]


FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityBounds-15CANNOT_COMPUTE

MC time: 0m0sec


Total processing time: 1m27sec


BK_STOP 1433426156434

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

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


initing FirstDep: 0m0sec

233 3016 5597 8216 10855 12254 14882 17485 20045 22544 24964 27287 29495 31570 33494 35249 36817 38180 39323 40231 40886 44977 45184 45427 45859 46192 46561 46966 47407 47884 48397 48679 48693 48717 48746 48779 48816 48856 48879 48926 48977 49004 49061 49121 49154 49221 49256 49329 49405 49446 49487 49572 49660 49707 49754 49850 50355 50358 50366 50375 50396 50407 50398 50407 50416 50420 50429 50462 50443 50452 50456 50465 50506 50479 50488 50492 50539 50506 50510 50519 50570 77635 93781 93841 93893 93939 93980 94015 94041 94081 94461 94805 94805 94813 94822 94831 94840 94865 94854 94863 94872 94876 94885 94920 94899 94908 94912 94921 94964 94935 94939 94948 94997 94962 94966 95017 113114 112808 112352 111869 111268 110671 110120 109597 108818 100516 100519 100535 100544 100541 100550 100559 100568 100572 100581 100612 100623 100604 100613 100617 100656 100665 100640 100644 100689 100700 100667 100671 100722 100685 100689 116979 116601 116061 115611 115089 114495 113829 113091 105226 105235 105245 105242 105251 105260 105269 105278 105282 105291 105322 105305 105314 105318 105327 105366 105341 105350 105354 105399 105368 105377 105381 105432 105395 105399 120788 120377 119921 119328 118731 118136 117613 117116 109688 109691 109699 109708 109717 109740 109731 109740 109749 109753 109762 109771 109806 109785 109794 109798 109839 109812 109821 109825 109872 109839 109843 109852 109903 124541 124218 123739 123341 122669 122141 121549 120977 117229 113901 113909 113918 113927 113936 113945 113949 113958 113967 113998 113981 113990 113994 114003 114042 114017 114026 114030 114075 114044 114048 114057 114108 114071 114075 127662 127212 126717 126312 125745 125170 124737 120987 117867 117875 117884 117893 117902 117906 117915 117924 117953 117938 117947 117956 117960 117969 118008 117983 117987 117996 118041 118010 118014 118063 118072 118037 118041 130727 130307 129845 129392 128795 128277 127703 121586 121595 121593 121602 121611 121620 121629 121633 121642 121651 121682 121665 121674 121678 121687 121726 121701 121710 121714 121759 121728 121737 121741 121792 121755 121759 133466 133024 132556 132179 131552 131009 130736 125059 125059 125067 125076 125085 125094 125119 125108 125117 125126 125130 125139 125174 125153 125162 125166 125175 125218 125189 125193 125240 125251 125216 125220 125271 136217 135861 135393 135033 134457 134013 133521 128278 128281 128289 128308 128303 128312 128321 128330 128334 128343 128352 128385 128366 128375 128379 128388 128429 128402 128406 128415 128462 128429 128433 128484 128447 128451 138291 137873 137444 137103 136509 136058 131252 131261 131271 131268 131277 131286 131295 131304 131308 131317 131348 131331 131340 131349 131353 131392 131367 131376 131380 131425 131394 131403 131407 131458 131421 131425 140377 139997 139607 139144 138757 138347 133978 133981 133989 134008 134003 134012 134021 134030 134034 134043 134052 134085 134066 134075 134079 134088 134129 134102 134106 134115 134162 134129 134133 134184 134147 134151 142143 141777 141387 141090 140757 140388 136456 136459 136467 136476 136485 136494 136519 136508 136517 136526 136530 136539 136574 136553 136562 136566 136575 136618 136589 136593 136640 136607 136616 136620 136671 143949 143669 143301 142941 142661 142349 140349 138685 138693 138702 138711 138720 138724 138733 138742 138771 138782 138765 138774 138778 138787 138826 138801 138805 138814 138859 138828 138832 138841 138892 138855 138859 145147 144881 144608 144272 144013 143726 140668 140671 140679 140688 140697 140706 140731 140720 140729 140738 140742 140751 140786 140765 140774 140778 140787 140830 140801 140805 140852 140863 140828 140832 140883 146349 146079 145863 145593 145269 145023 142402 142405 142413 142432 142427 142436 142445 142454 142458 142467 142476 142509 142490 142499 142503 142512 142553 142526 142530 142539 142586 142553 142557 142608 142571 142575 147011 146811 146547 146372 146177 144927 143887 143895 143904 143913 143922 143931 143935 143944 143953 143984 143967 143976 143980 143989 144028 144003 144012 144016 144061 144030 144034 144043 144094 144057 144061 147653 147485 147317 147113 146957 145957 145125 145133 145142 145151 145160 145164 145173 145182 145211 145196 145205 145214 145218 145255 145266 145241 145245 145254 145299 145268 145272 145321 145286 145295 145299 148035 147885 147759 147606 147489 146739 146115 146123 146132 146141 146145 146154 146163 146172 146201 146186 146195 146199 146208 146245 146222 146231 146235 146278 146289 146258 146262 146311 146276 146280 146289 148137 148061 147953 147851 147773 147273 146857 146865 146874 146883 146887 146896 146905 146914 146943 146928 146937 146941 146950 146987 146964 146973 146977 147020 147029 147000 147004 147053 147018 147022 147031 147991 147953 147899 147848 147809 147559 379320 498147 570861 631215 665401
iterations count:708104 (731), effective:6273 (6)

initing FirstDep: 0m0sec

Unknown names:
maxVal(ROUTE_B)
/home/mcc/workspace/dssz_util/src/dssz/idd/idd_il.cc:106: Exception: Faulty IL formula

Unknown names:
maxVal(ATTENTE_A)
/home/mcc/workspace/dssz_util/src/dssz/idd/idd_il.cc:106: Exception: Faulty IL formula

Unknown names:
maxVal(NB_ATTENTE_B)
/home/mcc/workspace/dssz_util/src/dssz/idd/idd_il.cc:106: Exception: Faulty IL formula

Unknown names:
maxVal(ATTENTE_B)
/home/mcc/workspace/dssz_util/src/dssz/idd/idd_il.cc:106: Exception: Faulty IL formula

Unknown names:
maxVal(SUR_PONT_A)
/home/mcc/workspace/dssz_util/src/dssz/idd/idd_il.cc:106: Exception: Faulty IL formula

Unknown names:
maxVal(SUR_PONT_A)
/home/mcc/workspace/dssz_util/src/dssz/idd/idd_il.cc:106: Exception: Faulty IL formula

Unknown names:
maxVal(COMPTEUR)
/home/mcc/workspace/dssz_util/src/dssz/idd/idd_il.cc:106: Exception: Faulty IL formula

Unknown names:
maxVal(ROUTE_A)
/home/mcc/workspace/dssz_util/src/dssz/idd/idd_il.cc:106: Exception: Faulty IL formula

Unknown names:
maxVal(COMPTEUR)
/home/mcc/workspace/dssz_util/src/dssz/idd/idd_il.cc:106: Exception: Faulty IL formula

Unknown names:
maxVal(VIDANGE)
/home/mcc/workspace/dssz_util/src/dssz/idd/idd_il.cc:106: Exception: Faulty IL formula

Unknown names:
maxVal(SORTI_A)
/home/mcc/workspace/dssz_util/src/dssz/idd/idd_il.cc:106: Exception: Faulty IL formula

Unknown names:
maxVal(SUR_PONT_A)
/home/mcc/workspace/dssz_util/src/dssz/idd/idd_il.cc:106: Exception: Faulty IL formula

Unknown names:
maxVal(ROUTE_A)
/home/mcc/workspace/dssz_util/src/dssz/idd/idd_il.cc:106: Exception: Faulty IL formula

Unknown names:
maxVal(CHOIX)
/home/mcc/workspace/dssz_util/src/dssz/idd/idd_il.cc:106: Exception: Faulty IL formula

Unknown names:
maxVal(CHOIX)
/home/mcc/workspace/dssz_util/src/dssz/idd/idd_il.cc:106: Exception: Faulty IL formula

Unknown names:
maxVal(NB_ATTENTE_B)
/home/mcc/workspace/dssz_util/src/dssz/idd/idd_il.cc:106: Exception: Faulty IL formula

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="BridgeAndVehicles-COL-V20P20N20"
export BK_EXAMINATION="ReachabilityBounds"
export BK_TOOL="marcie"
export BK_RESULT_DIR="/root/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/BridgeAndVehicles-COL-V20P20N20.tgz
mv BridgeAndVehicles-COL-V20P20N20 execution

# this is for BenchKit: explicit launching of the test

cd execution
echo "====================================================================="
echo " Generated by BenchKit 2-2270"
echo " Executing tool marcie"
echo " Input is BridgeAndVehicles-COL-V20P20N20, examination is ReachabilityBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 1"
echo " Run identifier is r190su-smll-143330904500086"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityBounds" = "ReachabilityComputeBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityBounds" != "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 "ReachabilityBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityBounds.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 '' ReachabilityBounds.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 ;