fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r033-tajo-167813685400053
Last Updated
May 14, 2023

About the Execution of Marcie for BridgeAndVehicles-COL-V20P20N20

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
6251.439 87106.00 87110.00 0.00 20 20 20 20 20 20 20 1 1 1 1 1 1 1 20 20 normal

Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r033-tajo-167813685400053.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
..........................
=====================================================================
Generated by BenchKit 2-5348
Executing tool marcie
Input is BridgeAndVehicles-COL-V20P20N20, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 1
Run identifier is r033-tajo-167813685400053
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 600K
-rw-r--r-- 1 mcc users 6.3K Feb 25 12:15 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Feb 25 12:15 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Feb 25 12:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 68K Feb 25 12:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.4K Feb 25 15:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 15:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Feb 25 15:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 15:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Feb 25 12:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 145K Feb 25 12:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 19K Feb 25 12:23 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 144K Feb 25 12:23 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 15:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Feb 25 15:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_pt
-rw-r--r-- 1 mcc users 10 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 40K Mar 5 18:22 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 BridgeAndVehicles-COL-V20P20N20-UpperBounds-00
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-UpperBounds-01
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-UpperBounds-02
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-UpperBounds-03
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-UpperBounds-04
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-UpperBounds-05
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-UpperBounds-06
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-UpperBounds-07
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-UpperBounds-08
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-UpperBounds-09
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-UpperBounds-10
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-UpperBounds-11
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-UpperBounds-12
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-UpperBounds-13
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-UpperBounds-14
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1678295405158

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=marcie
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V20P20N20
Not applying reductions.
Model is COL
UpperBounds COL
timeout --kill-after=10s --signal=SIGINT 1m for testing only

Marcie built on Linux at 2019-11-18.
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: /home/mcc/BenchKit/bin//../marcie/bin/marcie --net-file=model.pnml --mcc-file=UpperBounds.xml --memory=6 --mcc-mode

parse successfull
net created successfully

Unfolding complete |P|=78|T|=968|A|=7350
Time for unfolding: 0m 1.373sec

Net: BridgeAndVehicles_COL_V20P20N20
(NrP: 78 NrTr: 968 NrArc: 7350)

parse formulas
formulas created successfully
place and transition orderings generation:0m 0.012sec

net check time: 0m 0.001sec

init dd package: 0m 4.524sec


RS generation: 1m 8.886sec


-> reachability set: #nodes 2128736 (2.1e+06) #states 9,783,606 (6)



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

checking: place_bound(SUR_PONT_A_dot)
normalized: place_bound(SUR_PONT_A_dot)

-> the formula is 20

FORMULA BridgeAndVehicles-COL-V20P20N20-UpperBounds-00 20 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.001sec

checking: place_bound(ROUTE_B_dot)
normalized: place_bound(ROUTE_B_dot)

-> the formula is 20

FORMULA BridgeAndVehicles-COL-V20P20N20-UpperBounds-01 20 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.000sec

checking: place_bound(ATTENTE_B_dot)
normalized: place_bound(ATTENTE_B_dot)

-> the formula is 20

FORMULA BridgeAndVehicles-COL-V20P20N20-UpperBounds-02 20 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.000sec

checking: place_bound(SUR_PONT_A_dot)
normalized: place_bound(SUR_PONT_A_dot)

-> the formula is 20

FORMULA BridgeAndVehicles-COL-V20P20N20-UpperBounds-03 20 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.000sec

checking: place_bound(SUR_PONT_B_dot)
normalized: place_bound(SUR_PONT_B_dot)

-> the formula is 20

FORMULA BridgeAndVehicles-COL-V20P20N20-UpperBounds-04 20 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.000sec

checking: place_bound(SORTI_A_dot)
normalized: place_bound(SORTI_A_dot)

-> the formula is 20

FORMULA BridgeAndVehicles-COL-V20P20N20-UpperBounds-05 20 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.000sec

checking: place_bound(ATTENTE_A_dot)
normalized: place_bound(ATTENTE_A_dot)

-> the formula is 20

FORMULA BridgeAndVehicles-COL-V20P20N20-UpperBounds-06 20 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.000sec

checking: place_bound(ATTENTE_A_dot)
normalized: place_bound(ATTENTE_A_dot)

-> the formula is 20

FORMULA BridgeAndVehicles-COL-V20P20N20-UpperBounds-14 20 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.000sec

checking: place_bound(SORTI_B_dot)
normalized: place_bound(SORTI_B_dot)

-> the formula is 20

FORMULA BridgeAndVehicles-COL-V20P20N20-UpperBounds-15 20 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.000sec

checking: place_bound(CHOIX_sens1,CHOIX_sens2)
normalized: place_bound(CHOIX_sens1,CHOIX_sens2)

-> the formula is 1

FORMULA BridgeAndVehicles-COL-V20P20N20-UpperBounds-08 1 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.000sec

checking: place_bound(CHOIX_sens1,CHOIX_sens2)
normalized: place_bound(CHOIX_sens1,CHOIX_sens2)

-> the formula is 1

FORMULA BridgeAndVehicles-COL-V20P20N20-UpperBounds-11 1 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.000sec

checking: place_bound(VIDANGE_sens1,VIDANGE_sens2)
normalized: place_bound(VIDANGE_sens1,VIDANGE_sens2)

-> the formula is 1

FORMULA BridgeAndVehicles-COL-V20P20N20-UpperBounds-12 1 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.000sec

checking: place_bound(NB_ATTENTE_B_voitureB0,NB_ATTENTE_B_voitureB1,NB_ATTENTE_B_voitureB10,NB_ATTENTE_B_voitureB11,NB_ATTENTE_B_voitureB12,NB_ATTENTE_B_voitureB13,NB_ATTENTE_B_voitureB14,NB_ATTENTE_B_voitureB15,NB_ATTENTE_B_voitureB16,NB_ATTENTE_B_voitureB17,NB_ATTENTE_B_voitureB18,NB_ATTENTE_B_voitureB19,NB_ATTENTE_B_voitureB2,NB_ATTENTE_B_voitureB20,NB_ATTENTE_B_voitureB3,NB_ATTENTE_B_voitureB4,NB_ATTENTE_B_voitureB5,NB_ATTENTE_B_voitureB6,NB_ATTENTE_B_voitureB7,NB_ATTENTE_B_voitureB8,NB_ATTENTE_B_voitureB9)
normalized: place_bound(NB_ATTENTE_B_voitureB0,NB_ATTENTE_B_voitureB1,NB_ATTENTE_B_voitureB10,NB_ATTENTE_B_voitureB11,NB_ATTENTE_B_voitureB12,NB_ATTENTE_B_voitureB13,NB_ATTENTE_B_voitureB14,NB_ATTENTE_B_voitureB15,NB_ATTENTE_B_voitureB16,NB_ATTENTE_B_voitureB17,NB_ATTENTE_B_voitureB18,NB_ATTENTE_B_voitureB19,NB_ATTENTE_B_voitureB2,NB_ATTENTE_B_voitureB20,NB_ATTENTE_B_voitureB3,NB_ATTENTE_B_voitureB4,NB_ATTENTE_B_voitureB5,NB_ATTENTE_B_voitureB6,NB_ATTENTE_B_voitureB7,NB_ATTENTE_B_voitureB8,NB_ATTENTE_B_voitureB9)

-> the formula is 1

FORMULA BridgeAndVehicles-COL-V20P20N20-UpperBounds-07 1 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.000sec

checking: place_bound(COMPTEUR_compteur0,COMPTEUR_compteur1,COMPTEUR_compteur10,COMPTEUR_compteur11,COMPTEUR_compteur12,COMPTEUR_compteur13,COMPTEUR_compteur14,COMPTEUR_compteur15,COMPTEUR_compteur16,COMPTEUR_compteur17,COMPTEUR_compteur18,COMPTEUR_compteur19,COMPTEUR_compteur2,COMPTEUR_compteur20,COMPTEUR_compteur3,COMPTEUR_compteur4,COMPTEUR_compteur5,COMPTEUR_compteur6,COMPTEUR_compteur7,COMPTEUR_compteur8,COMPTEUR_compteur9)
normalized: place_bound(COMPTEUR_compteur0,COMPTEUR_compteur1,COMPTEUR_compteur10,COMPTEUR_compteur11,COMPTEUR_compteur12,COMPTEUR_compteur13,COMPTEUR_compteur14,COMPTEUR_compteur15,COMPTEUR_compteur16,COMPTEUR_compteur17,COMPTEUR_compteur18,COMPTEUR_compteur19,COMPTEUR_compteur2,COMPTEUR_compteur20,COMPTEUR_compteur3,COMPTEUR_compteur4,COMPTEUR_compteur5,COMPTEUR_compteur6,COMPTEUR_compteur7,COMPTEUR_compteur8,COMPTEUR_compteur9)

-> the formula is 1

FORMULA BridgeAndVehicles-COL-V20P20N20-UpperBounds-09 1 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.000sec

checking: place_bound(NB_ATTENTE_A_voitureA0,NB_ATTENTE_A_voitureA1,NB_ATTENTE_A_voitureA10,NB_ATTENTE_A_voitureA11,NB_ATTENTE_A_voitureA12,NB_ATTENTE_A_voitureA13,NB_ATTENTE_A_voitureA14,NB_ATTENTE_A_voitureA15,NB_ATTENTE_A_voitureA16,NB_ATTENTE_A_voitureA17,NB_ATTENTE_A_voitureA18,NB_ATTENTE_A_voitureA19,NB_ATTENTE_A_voitureA2,NB_ATTENTE_A_voitureA20,NB_ATTENTE_A_voitureA3,NB_ATTENTE_A_voitureA4,NB_ATTENTE_A_voitureA5,NB_ATTENTE_A_voitureA6,NB_ATTENTE_A_voitureA7,NB_ATTENTE_A_voitureA8,NB_ATTENTE_A_voitureA9)
normalized: place_bound(NB_ATTENTE_A_voitureA0,NB_ATTENTE_A_voitureA1,NB_ATTENTE_A_voitureA10,NB_ATTENTE_A_voitureA11,NB_ATTENTE_A_voitureA12,NB_ATTENTE_A_voitureA13,NB_ATTENTE_A_voitureA14,NB_ATTENTE_A_voitureA15,NB_ATTENTE_A_voitureA16,NB_ATTENTE_A_voitureA17,NB_ATTENTE_A_voitureA18,NB_ATTENTE_A_voitureA19,NB_ATTENTE_A_voitureA2,NB_ATTENTE_A_voitureA20,NB_ATTENTE_A_voitureA3,NB_ATTENTE_A_voitureA4,NB_ATTENTE_A_voitureA5,NB_ATTENTE_A_voitureA6,NB_ATTENTE_A_voitureA7,NB_ATTENTE_A_voitureA8,NB_ATTENTE_A_voitureA9)

-> the formula is 1

FORMULA BridgeAndVehicles-COL-V20P20N20-UpperBounds-10 1 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.000sec

checking: place_bound(NB_ATTENTE_A_voitureA0,NB_ATTENTE_A_voitureA1,NB_ATTENTE_A_voitureA10,NB_ATTENTE_A_voitureA11,NB_ATTENTE_A_voitureA12,NB_ATTENTE_A_voitureA13,NB_ATTENTE_A_voitureA14,NB_ATTENTE_A_voitureA15,NB_ATTENTE_A_voitureA16,NB_ATTENTE_A_voitureA17,NB_ATTENTE_A_voitureA18,NB_ATTENTE_A_voitureA19,NB_ATTENTE_A_voitureA2,NB_ATTENTE_A_voitureA20,NB_ATTENTE_A_voitureA3,NB_ATTENTE_A_voitureA4,NB_ATTENTE_A_voitureA5,NB_ATTENTE_A_voitureA6,NB_ATTENTE_A_voitureA7,NB_ATTENTE_A_voitureA8,NB_ATTENTE_A_voitureA9)
normalized: place_bound(NB_ATTENTE_A_voitureA0,NB_ATTENTE_A_voitureA1,NB_ATTENTE_A_voitureA10,NB_ATTENTE_A_voitureA11,NB_ATTENTE_A_voitureA12,NB_ATTENTE_A_voitureA13,NB_ATTENTE_A_voitureA14,NB_ATTENTE_A_voitureA15,NB_ATTENTE_A_voitureA16,NB_ATTENTE_A_voitureA17,NB_ATTENTE_A_voitureA18,NB_ATTENTE_A_voitureA19,NB_ATTENTE_A_voitureA2,NB_ATTENTE_A_voitureA20,NB_ATTENTE_A_voitureA3,NB_ATTENTE_A_voitureA4,NB_ATTENTE_A_voitureA5,NB_ATTENTE_A_voitureA6,NB_ATTENTE_A_voitureA7,NB_ATTENTE_A_voitureA8,NB_ATTENTE_A_voitureA9)

-> the formula is 1

FORMULA BridgeAndVehicles-COL-V20P20N20-UpperBounds-13 1 TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.000sec

totally nodes used: 7479879 (7.5e+06)
number of garbage collections: 0
fire ops cache: hits/miss/sum: 76441415 192799057 269240472
used/not used/entry size/cache size: 63040276 4068588 16 1024MB
basic ops cache: hits/miss/sum: 3916778 1362843 5279621
used/not used/entry size/cache size: 1591148 15186068 12 192MB
unary ops cache: hits/miss/sum: 0 0 0
used/not used/entry size/cache size: 0 16777216 8 128MB
abstract ops cache: hits/miss/sum: 0 0 0
used/not used/entry size/cache size: 0 16777216 12 192MB
state nr cache: hits/miss/sum: 3012870 2132982 5145852
used/not used/entry size/cache size: 1890246 6498362 32 256MB
max state cache: hits/miss/sum: 15064350 10664910 25729260
used/not used/entry size/cache size: 1890246 6498362 32 256MB
uniqueHash elements/entry size/size: 67108864 4 256MB
0 60587836
1 5797021
2 609885
3 81236
4 14724
5 5206
6 3561
7 2217
8 1722
9 1452
>= 10 4004

Total processing time: 1m27.024sec


BK_STOP 1678295492264

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

check for maximal unmarked siphon
ok
check for constant places
ok
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: 0m 0.002sec

144640 556528 571049 586172 606297 618428 625782 629294 619617 614549 605267 600510 591920 586237 580502 575683 571512 567495 563452 560172 558012 553789 552359 550214 548349
iterations count:2542360 (2626), effective:19691 (20)

initing FirstDep: 0m 0.002sec

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="UpperBounds"
export BK_TOOL="marcie"
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 2-5348"
echo " Executing tool marcie"
echo " Input is BridgeAndVehicles-COL-V20P20N20, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 1"
echo " Run identifier is r033-tajo-167813685400053"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V20P20N20.tgz
mv BridgeAndVehicles-COL-V20P20N20 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 ;