Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2021-input.r245-smll-162106592100004.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2021-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.............................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2020
Input is ShieldRVs-PT-002B, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r245-smll-162106592100004
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 336K
-rw-r--r-- 1 mcc users 9.6K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 98K May 10 09:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.0K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 65K May 10 09:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.2K Mar 28 16:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 28 16:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K Mar 28 16:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 28 16:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 27 12:36 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 19K Mar 27 12:36 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 25 18:41 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 13K Mar 25 18:41 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 22 08:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 22 08:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:52 equiv_col
-rw-r--r-- 1 mcc users 5 May 5 16:52 instance
-rw-r--r-- 1 mcc users 6 May 5 16:52 iscolored
-rw-r--r-- 1 mcc users 24K May 5 16:52 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 ShieldRVs-PT-002B-UpperBounds-00
FORMULA_NAME ShieldRVs-PT-002B-UpperBounds-01
FORMULA_NAME ShieldRVs-PT-002B-UpperBounds-02
FORMULA_NAME ShieldRVs-PT-002B-UpperBounds-03
FORMULA_NAME ShieldRVs-PT-002B-UpperBounds-04
FORMULA_NAME ShieldRVs-PT-002B-UpperBounds-05
FORMULA_NAME ShieldRVs-PT-002B-UpperBounds-06
FORMULA_NAME ShieldRVs-PT-002B-UpperBounds-07
FORMULA_NAME ShieldRVs-PT-002B-UpperBounds-08
FORMULA_NAME ShieldRVs-PT-002B-UpperBounds-09
FORMULA_NAME ShieldRVs-PT-002B-UpperBounds-10
FORMULA_NAME ShieldRVs-PT-002B-UpperBounds-11
FORMULA_NAME ShieldRVs-PT-002B-UpperBounds-12
FORMULA_NAME ShieldRVs-PT-002B-UpperBounds-13
FORMULA_NAME ShieldRVs-PT-002B-UpperBounds-14
FORMULA_NAME ShieldRVs-PT-002B-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1621259964533

[2021-05-17 13:59:29] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -greatspnpath, /home/mcc/BenchKit//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2021-05-17 13:59:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-17 13:59:29] [INFO ] Load time of PNML (sax parser for PT used): 98 ms
[2021-05-17 13:59:29] [INFO ] Transformed 83 places.
[2021-05-17 13:59:29] [INFO ] Transformed 93 transitions.
[2021-05-17 13:59:29] [INFO ] Found NUPN structural information;
[2021-05-17 13:59:29] [INFO ] Parsed PT model containing 83 places and 93 transitions in 192 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 24 ms.
Finished random walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
[2021-05-17 13:59:29] [INFO ] Flatten gal took : 62 ms
[2021-05-17 13:59:29] [INFO ] Applying decomposition
[2021-05-17 13:59:30] [INFO ] Flatten gal took : 42 ms
[2021-05-17 13:59:30] [INFO ] Time to serialize gal into /home/mcc/execution/UpperBounds.pnml.gal : 13 ms
[2021-05-17 13:59:30] [INFO ] Time to serialize properties into /home/mcc/execution/UpperBounds.prop : 1 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/UpperBounds.pnml.gal, -t, CGAL, -reachable-file, UpperBounds.prop, --nowitness, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/UpperBounds.pnml.gal -t CGAL -reachable-file UpperBounds.prop --nowitness --gen-order FOLLOW
Loading property file UpperBounds.prop.
Read [bounds] property : ShieldRVs-PT-002B-UpperBounds-00 with value :p12
Read [bounds] property : ShieldRVs-PT-002B-UpperBounds-01 with value :p40
Read [bounds] property : ShieldRVs-PT-002B-UpperBounds-02 with value :p66
Read [bounds] property : ShieldRVs-PT-002B-UpperBounds-03 with value :p0
Read [bounds] property : ShieldRVs-PT-002B-UpperBounds-04 with value :p71
Read [bounds] property : ShieldRVs-PT-002B-UpperBounds-05 with value :p75
Read [bounds] property : ShieldRVs-PT-002B-UpperBounds-06 with value :p42
Read [bounds] property : ShieldRVs-PT-002B-UpperBounds-07 with value :p21
Read [bounds] property : ShieldRVs-PT-002B-UpperBounds-08 with value :p40
Read [bounds] property : ShieldRVs-PT-002B-UpperBounds-09 with value :p62
Read [bounds] property : ShieldRVs-PT-002B-UpperBounds-10 with value :p70
Read [bounds] property : ShieldRVs-PT-002B-UpperBounds-11 with value :p37
Read [bounds] property : ShieldRVs-PT-002B-UpperBounds-12 with value :p52
Read [bounds] property : ShieldRVs-PT-002B-UpperBounds-13 with value :p81
Read [bounds] property : ShieldRVs-PT-002B-UpperBounds-14 with value :p33
Read [bounds] property : ShieldRVs-PT-002B-UpperBounds-15 with value :p56
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,4.26146e+06,0.397304,14308,2,3770,5,28846,6,0,427,69383,0
Total reachable state count : 4261457

Verifying 16 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property ShieldRVs-PT-002B-UpperBounds-00 :0 <= p12 <= 1
FORMULA ShieldRVs-PT-002B-UpperBounds-00 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
ShieldRVs-PT-002B-UpperBounds-00,0,0.403362,14308,1,0,7,28846,9,1,657,69383,4
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property ShieldRVs-PT-002B-UpperBounds-01 :0 <= p40 <= 1
FORMULA ShieldRVs-PT-002B-UpperBounds-01 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
ShieldRVs-PT-002B-UpperBounds-01,0,0.41351,14308,1,0,8,28846,10,1,746,69383,5
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property ShieldRVs-PT-002B-UpperBounds-02 :0 <= p66 <= 1
FORMULA ShieldRVs-PT-002B-UpperBounds-02 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
ShieldRVs-PT-002B-UpperBounds-02,0,0.414076,14308,1,0,9,28846,11,1,783,69383,6
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property ShieldRVs-PT-002B-UpperBounds-03 :0 <= p0 <= 1
FORMULA ShieldRVs-PT-002B-UpperBounds-03 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
ShieldRVs-PT-002B-UpperBounds-03,0,0.419288,14308,1,0,10,28846,12,1,951,69383,7
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property ShieldRVs-PT-002B-UpperBounds-04 :0 <= p71 <= 1
FORMULA ShieldRVs-PT-002B-UpperBounds-04 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
ShieldRVs-PT-002B-UpperBounds-04,0,0.419745,14308,1,0,11,28846,13,1,978,69383,8
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property ShieldRVs-PT-002B-UpperBounds-05 :0 <= p75 <= 1
FORMULA ShieldRVs-PT-002B-UpperBounds-05 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
ShieldRVs-PT-002B-UpperBounds-05,0,0.419981,14308,1,0,12,28846,14,1,997,69383,9
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property ShieldRVs-PT-002B-UpperBounds-06 :0 <= p42 <= 1
FORMULA ShieldRVs-PT-002B-UpperBounds-06 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
ShieldRVs-PT-002B-UpperBounds-06,0,0.421621,14308,1,0,13,28846,15,1,1082,69383,10
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property ShieldRVs-PT-002B-UpperBounds-07 :0 <= p21 <= 1
FORMULA ShieldRVs-PT-002B-UpperBounds-07 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
ShieldRVs-PT-002B-UpperBounds-07,0,0.426983,14308,1,0,14,28846,16,1,1209,69383,11
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property ShieldRVs-PT-002B-UpperBounds-08 :0 <= p40 <= 1
FORMULA ShieldRVs-PT-002B-UpperBounds-08 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
ShieldRVs-PT-002B-UpperBounds-08,0,0.427177,14308,1,0,14,28846,16,1,1209,69383,11
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property ShieldRVs-PT-002B-UpperBounds-09 :0 <= p62 <= 1
FORMULA ShieldRVs-PT-002B-UpperBounds-09 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
ShieldRVs-PT-002B-UpperBounds-09,0,0.42905,14308,1,0,15,28846,17,1,1254,69383,12
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property ShieldRVs-PT-002B-UpperBounds-10 :0 <= p70 <= 1
FORMULA ShieldRVs-PT-002B-UpperBounds-10 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
ShieldRVs-PT-002B-UpperBounds-10,0,0.430005,14308,1,0,16,28846,18,1,1283,69383,13
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property ShieldRVs-PT-002B-UpperBounds-11 :0 <= p37 <= 1
FORMULA ShieldRVs-PT-002B-UpperBounds-11 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
ShieldRVs-PT-002B-UpperBounds-11,0,0.437082,14308,1,0,17,28846,19,1,1378,69383,14
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property ShieldRVs-PT-002B-UpperBounds-12 :0 <= p52 <= 1
FORMULA ShieldRVs-PT-002B-UpperBounds-12 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
ShieldRVs-PT-002B-UpperBounds-12,0,0.440027,14308,1,0,18,28846,20,1,1443,69383,15
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property ShieldRVs-PT-002B-UpperBounds-13 :0 <= p81 <= 1
FORMULA ShieldRVs-PT-002B-UpperBounds-13 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
ShieldRVs-PT-002B-UpperBounds-13,0,0.440214,14308,1,0,19,28846,21,1,1450,69383,16
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property ShieldRVs-PT-002B-UpperBounds-14 :0 <= p33 <= 1
FORMULA ShieldRVs-PT-002B-UpperBounds-14 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
ShieldRVs-PT-002B-UpperBounds-14,0,0.443129,14308,1,0,20,28846,22,1,1553,69383,17
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property ShieldRVs-PT-002B-UpperBounds-15 :0 <= p56 <= 1
FORMULA ShieldRVs-PT-002B-UpperBounds-15 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
ShieldRVs-PT-002B-UpperBounds-15,0,0.444671,14308,1,0,21,28846,23,1,1610,69383,18

BK_STOP 1621259971901

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination UpperBounds -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6

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="ShieldRVs-PT-002B"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2020"
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 2-4028"
echo " Executing tool gold2020"
echo " Input is ShieldRVs-PT-002B, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r245-smll-162106592100004"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldRVs-PT-002B.tgz
mv ShieldRVs-PT-002B 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 ;