fond
Model Checking Contest 2018
8th edition, Bratislava, Slovakia, June 26, 2018
Execution of r054-smll-152646382200158
Last Updated
June 26, 2018

About the Execution of Irma.full for DES-PT-00a

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
4689.620 161655.00 162001.00 1186.80 FFFFFFFFFFTFFFTF normal

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 196K
-rw-r--r-- 1 mcc users 3.3K 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 2.3K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 15 18:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 15 18:49 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K May 15 18:49 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 2.4K May 15 18:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 12K May 15 18:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.8K May 15 18:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 9.4K May 15 18:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.1K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 17K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 101 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 339 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 2.3K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 14K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 15 18:49 equiv_col
-rw-r--r-- 1 mcc users 4 May 15 18:49 instance
-rw-r--r-- 1 mcc users 6 May 15 18:49 iscolored
-rw-r--r-- 1 mcc users 31K May 15 18:49 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool irma4mcc-full
Input is DES-PT-00a, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r054-smll-152646382200158
=====================================================================


--------------------
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 DES-PT-00a-CTLFireability-00
FORMULA_NAME DES-PT-00a-CTLFireability-01
FORMULA_NAME DES-PT-00a-CTLFireability-02
FORMULA_NAME DES-PT-00a-CTLFireability-03
FORMULA_NAME DES-PT-00a-CTLFireability-04
FORMULA_NAME DES-PT-00a-CTLFireability-05
FORMULA_NAME DES-PT-00a-CTLFireability-06
FORMULA_NAME DES-PT-00a-CTLFireability-07
FORMULA_NAME DES-PT-00a-CTLFireability-08
FORMULA_NAME DES-PT-00a-CTLFireability-09
FORMULA_NAME DES-PT-00a-CTLFireability-10
FORMULA_NAME DES-PT-00a-CTLFireability-11
FORMULA_NAME DES-PT-00a-CTLFireability-12
FORMULA_NAME DES-PT-00a-CTLFireability-13
FORMULA_NAME DES-PT-00a-CTLFireability-14
FORMULA_NAME DES-PT-00a-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1526495741638


BK_STOP 1526495903293

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

Prefix is 65b80f64.
Reading known information in /usr/share/mcc4mcc/65b80f64-known.json.
Reading learned information in /usr/share/mcc4mcc/65b80f64-learned.json.
Reading value translations in /usr/share/mcc4mcc/65b80f64-values.json.
Using directory /home/mcc/execution for input, as it contains a model.pnml file.
Using DES-PT-00a as instance name.
Using DES as model name.
Using algorithm or tool voting-classifier.
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': False, 'Source Place': True, 'Sink Place': None, 'Source Transition': False, 'Sink Transition': None, 'Loop Free': None, 'Conservative': False, 'Sub-Conservative': False, 'Nested Units': True, 'Safe': True, 'Deadlock': None, 'Reversible': None, 'Quasi Live': None, 'Live': None}.
/usr/local/lib/python3.6/dist-packages/sklearn/preprocessing/label.py:151: DeprecationWarning: The truth value of an empty array is ambiguous. Returning False, but in future this will result in an error. Use `array.size > 0` to check that an array is not empty.
if diff:
Known tools are: [{'Time': 344330, 'Memory': 4359.61, 'Tool': 'marcie'}, {'Time': 348047, 'Memory': 4359.23, 'Tool': 'marcie'}, {'Time': 2393340, 'Memory': 7848.11, 'Tool': 'lola'}, {'Time': 2393937, 'Memory': 7811.35, 'Tool': 'lola'}, {'Time': 3510361, 'Memory': 9924.63, 'Tool': 'itstools'}, {'Time': 3512706, 'Memory': 10035.82, 'Tool': 'itstools'}].
Learned tools are: [{'Tool': 'lola'}].
Learned tool lola is 6.950715883019197x far from the best tool marcie.
CTLFireability marcie DES-PT-00a...
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

check for maximal unmarked siphon
ok
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=CTLFireability.xml --memory=6

parse successfull
net created successfully

Net: DES_PT_00a
(NrP: 115 NrTr: 76 NrArc: 373)

check for constant places
ok
parse formulas
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

formulas created successfully
place and transition orderings generation:0m 0.001sec

net check time: 0m 0.000sec

init dd package: 0m 1.741sec


initing FirstDep: 0m 0.000sec


iterations count:10891 (143), effective:1446 (19)

RS generation: 0m 1.829sec


-> reachability set: #nodes 4322 (4.3e+03) #states 24,196,956,529 (10)



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


initing FirstDep: 0m 0.000sec

checking: AG [EF [AF [IS_FIREABLE [t0]]]]
normalized: ~ [E [true U ~ [E [true U ~ [EG [~ [IS_FIREABLE [t0]]]]]]]]

.........................
after gc: zbdd nodes used:193187, unused:18556813....................................................................................................................................................
EG iterations: 173

iterations count:2809 (36), effective:352 (4)


iterations count:1390 (18), effective:170 (2)
after gc: zbdd nodes used:45748, unused:37454252-> the formula is FALSE

FORMULA DES-PT-00a-CTLFireability-00 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m17.216sec

checking: AF [IS_FIREABLE [t40]]
normalized: ~ [EG [~ [IS_FIREABLE [t40]]]]

..................................................................
EG iterations: 66
-> the formula is FALSE

FORMULA DES-PT-00a-CTLFireability-06 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 3.064sec

checking: AF [AF [[IS_FIREABLE [t57] | IS_FIREABLE [t37]]]]
normalized: ~ [EG [EG [~ [[IS_FIREABLE [t57] | IS_FIREABLE [t37]]]]]]

.........................................
after gc: zbdd nodes used:368615, unused:74631385.............................................
EG iterations: 86
.
EG iterations: 1
-> the formula is FALSE

FORMULA DES-PT-00a-CTLFireability-02 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m22.075sec

checking: AF [[A [IS_FIREABLE [t35] U IS_FIREABLE [t7]] & IS_FIREABLE [t52]]]
normalized: ~ [EG [~ [[[~ [EG [~ [IS_FIREABLE [t7]]]] & ~ [E [~ [IS_FIREABLE [t7]] U [~ [IS_FIREABLE [t35]] & ~ [IS_FIREABLE [t7]]]]]] & IS_FIREABLE [t52]]]]]


iterations count:95 (1), effective:1 (0)
.....................................................................................................................................................................................
EG iterations: 181
.
EG iterations: 1
-> the formula is FALSE

FORMULA DES-PT-00a-CTLFireability-03 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m11.687sec

checking: EF [[AG [[IS_FIREABLE [t41] & IS_FIREABLE [t16]]] & IS_FIREABLE [t44]]]
normalized: E [true U [~ [E [true U ~ [[IS_FIREABLE [t41] & IS_FIREABLE [t16]]]]] & IS_FIREABLE [t44]]]


iterations count:77 (1), effective:1 (0)
-> the formula is FALSE

FORMULA DES-PT-00a-CTLFireability-09 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.098sec

checking: E [IS_FIREABLE [t46] U AF [[IS_FIREABLE [t61] | IS_FIREABLE [t7]]]]
normalized: E [IS_FIREABLE [t46] U ~ [EG [~ [[IS_FIREABLE [t61] | IS_FIREABLE [t7]]]]]]

...............................................................................................................
EG iterations: 111

iterations count:76 (1), effective:0 (0)

iterations count:89 (1), effective:2 (0)
-> the formula is FALSE

FORMULA DES-PT-00a-CTLFireability-12 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m12.084sec

checking: AF [AF [[[IS_FIREABLE [t18] | IS_FIREABLE [t48]] & [IS_FIREABLE [t58] | IS_FIREABLE [t61]]]]]
normalized: ~ [EG [EG [~ [[[IS_FIREABLE [t58] | IS_FIREABLE [t61]] & [IS_FIREABLE [t18] | IS_FIREABLE [t48]]]]]]]

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

FORMULA DES-PT-00a-CTLFireability-07 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.220sec

checking: EF [[EG [[IS_FIREABLE [t46] & IS_FIREABLE [t2]]] | AG [[IS_FIREABLE [t22] | IS_FIREABLE [t67]]]]]
normalized: E [true U [~ [E [true U ~ [[IS_FIREABLE [t22] | IS_FIREABLE [t67]]]]] | EG [[IS_FIREABLE [t46] & IS_FIREABLE [t2]]]]]

.
EG iterations: 1
-> the formula is FALSE

FORMULA DES-PT-00a-CTLFireability-11 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.119sec

checking: [E [AF [IS_FIREABLE [t55]] U [IS_FIREABLE [t7] & IS_FIREABLE [t60]]] | AG [~ [EX [IS_FIREABLE [t31]]]]]
normalized: [~ [E [true U EX [IS_FIREABLE [t31]]]] | E [~ [EG [~ [IS_FIREABLE [t55]]]] U [IS_FIREABLE [t7] & IS_FIREABLE [t60]]]]

....................................................................
after gc: zbdd nodes used:376966, unused:149623034...............................................
EG iterations: 115

iterations count:2635 (34), effective:338 (4)

iterations count:3088 (40), effective:368 (4)

iterations count:2484 (32), effective:315 (4)
.-> the formula is FALSE

FORMULA DES-PT-00a-CTLFireability-13 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m22.147sec

checking: [EX [[AF [IS_FIREABLE [t0]] | [~ [IS_FIREABLE [t13]] & IS_FIREABLE [t34]]]] | [IS_FIREABLE [t30] & IS_FIREABLE [t20]]]
normalized: [[IS_FIREABLE [t30] & IS_FIREABLE [t20]] | EX [[[~ [IS_FIREABLE [t13]] & IS_FIREABLE [t34]] | ~ [EG [~ [IS_FIREABLE [t0]]]]]]]

.............................................................................................................................................................................
EG iterations: 173
.-> the formula is FALSE

FORMULA DES-PT-00a-CTLFireability-08 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m10.157sec

checking: [~ [[IS_FIREABLE [t66] & IS_FIREABLE [t44]]] & E [[~ [IS_FIREABLE [t68]] | IS_FIREABLE [t30]] U IS_FIREABLE [t46]]]
normalized: [E [[~ [IS_FIREABLE [t68]] | IS_FIREABLE [t30]] U IS_FIREABLE [t46]] & ~ [[IS_FIREABLE [t66] & IS_FIREABLE [t44]]]]

-> the formula is TRUE

iterations count:1648 (21), effective:209 (2)

FORMULA DES-PT-00a-CTLFireability-10 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.865sec

checking: A [[EF [IS_FIREABLE [t70]] | [[IS_FIREABLE [t36] | IS_FIREABLE [t7]] & IS_FIREABLE [t39]]] U EF [IS_FIREABLE [t1]]]
normalized: [~ [EG [~ [E [true U IS_FIREABLE [t1]]]]] & ~ [E [~ [E [true U IS_FIREABLE [t1]]] U [~ [[[[IS_FIREABLE [t36] | IS_FIREABLE [t7]] & IS_FIREABLE [t39]] | E [true U IS_FIREABLE [t70]]]] & ~ [E [true U IS_FIREABLE [t1]]]]]]]


iterations count:1808 (23), effective:217 (2)

iterations count:1648 (21), effective:209 (2)

iterations count:393 (5), effective:38 (0)

iterations count:1648 (21), effective:209 (2)
.
EG iterations: 1
-> the formula is TRUE

FORMULA DES-PT-00a-CTLFireability-14 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 1.194sec

checking: A [[IS_FIREABLE [t13] | AF [IS_FIREABLE [t75]]] U [~ [~ [IS_FIREABLE [t45]]] | [IS_FIREABLE [t46] & ~ [IS_FIREABLE [t45]]]]]
normalized: [~ [EG [~ [[[~ [IS_FIREABLE [t45]] & IS_FIREABLE [t46]] | IS_FIREABLE [t45]]]]] & ~ [E [~ [[[~ [IS_FIREABLE [t45]] & IS_FIREABLE [t46]] | IS_FIREABLE [t45]]] U [~ [[~ [EG [~ [IS_FIREABLE [t75]]]] | IS_FIREABLE [t13]]] & ~ [[[~ [IS_FIREABLE [t45]] & IS_FIREABLE [t46]] | IS_FIREABLE [t45]]]]]]]

......................................................................................
EG iterations: 86

iterations count:833 (10), effective:88 (1)
..........................................................................................
EG iterations: 90
-> the formula is FALSE

FORMULA DES-PT-00a-CTLFireability-15 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m36.249sec

checking: EF [[[IS_FIREABLE [t73] & [[IS_FIREABLE [t70] & IS_FIREABLE [t36]] | ~ [IS_FIREABLE [t8]]]] & AF [[IS_FIREABLE [t32] & IS_FIREABLE [t8]]]]]
normalized: E [true U [~ [EG [~ [[IS_FIREABLE [t32] & IS_FIREABLE [t8]]]]] & [IS_FIREABLE [t73] & [~ [IS_FIREABLE [t8]] | [IS_FIREABLE [t70] & IS_FIREABLE [t36]]]]]]

.
EG iterations: 1
-> the formula is FALSE

FORMULA DES-PT-00a-CTLFireability-01 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.169sec

checking: EF [[[~ [[IS_FIREABLE [t48] & IS_FIREABLE [t21]]] & AX [IS_FIREABLE [t22]]] & [IS_FIREABLE [t40] | [[IS_FIREABLE [t62] & IS_FIREABLE [t23]] & IS_FIREABLE [t39]]]]]
normalized: E [true U [[IS_FIREABLE [t40] | [IS_FIREABLE [t39] & [IS_FIREABLE [t62] & IS_FIREABLE [t23]]]] & [~ [EX [~ [IS_FIREABLE [t22]]]] & ~ [[IS_FIREABLE [t48] & IS_FIREABLE [t21]]]]]]

.-> the formula is FALSE

FORMULA DES-PT-00a-CTLFireability-04 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.225sec

checking: ~ [[[E [IS_FIREABLE [t37] U IS_FIREABLE [t65]] | EG [~ [IS_FIREABLE [t44]]]] | [[[IS_FIREABLE [t48] | [IS_FIREABLE [t31] | IS_FIREABLE [t65]]] | IS_FIREABLE [t63]] & AX [[IS_FIREABLE [t44] & IS_FIREABLE [t58]]]]]]
normalized: ~ [[[~ [EX [~ [[IS_FIREABLE [t44] & IS_FIREABLE [t58]]]]] & [IS_FIREABLE [t63] | [IS_FIREABLE [t48] | [IS_FIREABLE [t31] | IS_FIREABLE [t65]]]]] | [EG [~ [IS_FIREABLE [t44]]] | E [IS_FIREABLE [t37] U IS_FIREABLE [t65]]]]]


iterations count:392 (5), effective:35 (0)
.........................................................................
EG iterations: 73
.-> the formula is FALSE

FORMULA DES-PT-00a-CTLFireability-05 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m10.873sec

totally nodes used: 231192076(2.3e+08)
number of garbage collections: 4
fire ops cache: hits/miss/sum: 37214128 129071132 166285260
used/not used/entry size/cache size: 34425943 32682921 16 1024MB
basic ops cache: hits/miss/sum: 60204898 258864906 319069804
used/not used/entry size/cache size: 16777196 20 12 192MB
unary ops cache: hits/miss/sum: 0 0 0
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: 1269 4322 5591
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 17101090
1 23432531
2 15999068
3 7260457
4 2464971
5 665931
6 150308
7 28878
8 4784
9 726
>= 10 120

Total processing time: 2m36.398sec

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="DES-PT-00a"
export BK_EXAMINATION="CTLFireability"
export BK_TOOL="irma4mcc-full"
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/DES-PT-00a.tgz
mv DES-PT-00a 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-full"
echo " Input is DES-PT-00a, 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 r054-smll-152646382200158"
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 ;