Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r325-tall-167889197800897.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is RingSingleMessageInMbox-PT-d2m020, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r325-tall-167889197800897
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 102M
-rw-r--r-- 1 mcc users 8.9K Feb 26 05:23 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K Feb 26 05:23 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 26 05:17 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 26 05:17 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Feb 25 16:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Feb 25 16:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.2K Feb 26 05:41 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 87K Feb 26 05:41 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Feb 26 05:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K Feb 26 05:35 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 16:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:46 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 102M Mar 5 18:23 model.pnml

--------------------
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 RingSingleMessageInMbox-PT-d2m020-CTLCardinality-00
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLCardinality-01
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLCardinality-02
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLCardinality-03
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLCardinality-04
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLCardinality-05
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLCardinality-06
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLCardinality-07
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLCardinality-08
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLCardinality-09
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLCardinality-10
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLCardinality-11
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLCardinality-12
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLCardinality-13
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLCardinality-14
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1679052225059

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=itstools
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RingSingleMessageInMbox-PT-d2m020
Not applying reductions.
Model is PT
CTLCardinality PT
Running Version 202303021504
[2023-03-17 11:23:47] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-17 11:23:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 11:23:50] [INFO ] Load time of PNML (sax parser for PT used): 3198 ms
[2023-03-17 11:23:50] [INFO ] Transformed 66950 places.
[2023-03-17 11:23:51] [INFO ] Transformed 213625 transitions.
[2023-03-17 11:23:53] [INFO ] Parsed PT model containing 66950 places and 213625 transitions and 854500 arcs in 6515 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 69 ms.
Deduced a syphon composed of 36863 places in 346 ms
Reduce places removed 36863 places and 0 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA RingSingleMessageInMbox-PT-d2m020-CTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d2m020-CTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d2m020-CTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 57 out of 30087 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30087/30087 places, 213625/213625 transitions.
Reduce places removed 35 places and 0 transitions.
Ensure Unique test removed 300 transitions
Reduce isomorphic transitions removed 300 transitions.
Iterating post reduction 0 with 335 rules applied. Total rules applied 335 place count 30052 transition count 213325
Discarding 307 places :
Symmetric choice reduction at 1 with 307 rule applications. Total rules 642 place count 29745 transition count 44687
Iterating global reduction 1 with 307 rules applied. Total rules applied 949 place count 29745 transition count 44687
Applied a total of 949 rules in 4175 ms. Remains 29745 /30087 variables (removed 342) and now considering 44687/213625 (removed 168938) transitions.
// Phase 1: matrix 44687 rows 29745 cols
[2023-03-17 11:24:18] [INFO ] Computed 3 place invariants in 14424 ms
[2023-03-17 11:24:21] [INFO ] Implicit Places using invariants in 17428 ms returned []
Implicit Place search using SMT only with invariants took 19951 ms to find 0 implicit places.
[2023-03-17 11:24:21] [INFO ] Invariant cache hit.
[2023-03-17 11:24:24] [INFO ] Dead Transitions using invariants and state equation in 2492 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 29745/30087 places, 44687/213625 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 26630 ms. Remains : 29745/30087 places, 44687/213625 transitions.
Support contains 57 out of 29745 places after structural reductions.
[2023-03-17 11:24:26] [INFO ] Flatten gal took : 1552 ms
[2023-03-17 11:24:26] [INFO ] Initial state reduction rules for CTL removed 2 formulas.
FORMULA RingSingleMessageInMbox-PT-d2m020-CTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d2m020-CTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-17 11:24:27] [INFO ] Flatten gal took : 1345 ms
[2023-03-17 11:24:30] [INFO ] Input system was already deterministic with 44687 transitions.
Support contains 29 out of 29745 places (down from 57) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 1428 resets, run finished after 3909 ms. (steps per millisecond=2 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 21) seen :0
Interrupted probabilistic random walk after 75673 steps, run timeout after 12002 ms. (steps per millisecond=6 ) properties seen :{9=1, 17=1}
Probabilistic random walk after 75673 steps, saw 44535 distinct states, run finished after 12004 ms. (steps per millisecond=6 ) properties seen :2
Running SMT prover for 19 properties.
[2023-03-17 11:24:47] [INFO ] Invariant cache hit.
[2023-03-17 11:24:57] [INFO ] After 10803ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:19
[2023-03-17 11:25:07] [INFO ] [Nat]Absence check using 2 positive place invariants in 104 ms returned sat
[2023-03-17 11:25:07] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 6 ms returned sat
[2023-03-17 11:25:22] [INFO ] After 10194ms SMT Verify possible using state equation in natural domain returned unsat :4 sat :14

BK_STOP 1679052460941

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution CTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="RingSingleMessageInMbox-PT-d2m020"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="itstools"
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 itstools"
echo " Input is RingSingleMessageInMbox-PT-d2m020, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r325-tall-167889197800897"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d2m020.tgz
mv RingSingleMessageInMbox-PT-d2m020 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;