Execution Chart

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

Trace from the execution

Formatting '/data/fko/mcc2020-input.r096-oct2-158940145200507.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2020-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 itstools
Input is Kanban-PT-00050, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r096-oct2-158940145200507
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 188K
-rw-r--r-- 1 mcc users 3.0K Apr 8 12:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 17K Apr 8 12:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Apr 7 16:12 CTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 7 16:12 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.9K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.1K Apr 14 12:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Apr 28 14:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Apr 14 12:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 28 14:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.0K Apr 6 19:12 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 14K Apr 6 19:12 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Apr 6 02:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 6 02:32 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 6 20:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 6 20:24 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 14K Mar 24 05:37 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 Kanban-PT-00050-CTLCardinality-00
FORMULA_NAME Kanban-PT-00050-CTLCardinality-01
FORMULA_NAME Kanban-PT-00050-CTLCardinality-02
FORMULA_NAME Kanban-PT-00050-CTLCardinality-03
FORMULA_NAME Kanban-PT-00050-CTLCardinality-04
FORMULA_NAME Kanban-PT-00050-CTLCardinality-05
FORMULA_NAME Kanban-PT-00050-CTLCardinality-06
FORMULA_NAME Kanban-PT-00050-CTLCardinality-07
FORMULA_NAME Kanban-PT-00050-CTLCardinality-08
FORMULA_NAME Kanban-PT-00050-CTLCardinality-09
FORMULA_NAME Kanban-PT-00050-CTLCardinality-10
FORMULA_NAME Kanban-PT-00050-CTLCardinality-11
FORMULA_NAME Kanban-PT-00050-CTLCardinality-12
FORMULA_NAME Kanban-PT-00050-CTLCardinality-13
FORMULA_NAME Kanban-PT-00050-CTLCardinality-14
FORMULA_NAME Kanban-PT-00050-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1589581900681

[2020-05-15 22:31:43] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -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]
[2020-05-15 22:31:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-05-15 22:31:43] [INFO ] Load time of PNML (sax parser for PT used): 23 ms
[2020-05-15 22:31:43] [INFO ] Transformed 16 places.
[2020-05-15 22:31:43] [INFO ] Transformed 16 transitions.
[2020-05-15 22:31:43] [INFO ] Parsed PT model containing 16 places and 16 transitions in 55 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 14 ms.
Incomplete random walk after 100048 steps, including 0 resets, run finished after 45 ms. (steps per millisecond=2223 ) properties seen :[1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
// Phase 1: matrix 16 rows 16 cols
[2020-05-15 22:31:43] [INFO ] Computed 5 place invariants in 2 ms
[2020-05-15 22:31:43] [INFO ] [Real]Absence check using 4 positive place invariants in 9 ms returned unsat
Successfully simplified 1 atomic propositions for a total of 1 simplifications.
[2020-05-15 22:31:43] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2020-05-15 22:31:43] [INFO ] Flatten gal took : 22 ms
[2020-05-15 22:31:43] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2020-05-15 22:31:43] [INFO ] Flatten gal took : 4 ms
FORMULA Kanban-PT-00050-CTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2020-05-15 22:31:43] [INFO ] Applying decomposition
[2020-05-15 22:31:43] [INFO ] Flatten gal took : 2 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202005100927/bin/convert-linux64, -i, /tmp/graph6414063696665843354.txt, -o, /tmp/graph6414063696665843354.bin, -w, /tmp/graph6414063696665843354.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202005100927/bin/louvain-linux64, /tmp/graph6414063696665843354.bin, -l, -1, -v, -w, /tmp/graph6414063696665843354.weights, -q, 0, -e, 0.001], workingDir=null]
[2020-05-15 22:31:43] [INFO ] Decomposing Gal with order
[2020-05-15 22:31:43] [INFO ] Rewriting arrays to variables to allow decomposition.
[2020-05-15 22:31:43] [INFO ] Removed a total of 4 redundant transitions.
[2020-05-15 22:31:43] [INFO ] Flatten gal took : 53 ms
[2020-05-15 22:31:43] [INFO ] Fuse similar labels procedure discarded/fused a total of 6 labels/synchronizations in 3 ms.
[2020-05-15 22:31:43] [INFO ] Time to serialize gal into /home/mcc/execution/CTLCardinality.pnml.gal : 2 ms
[2020-05-15 22:31:43] [INFO ] Time to serialize properties into /home/mcc/execution/CTLCardinality.ctl : 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-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/CTLCardinality.pnml.gal, -t, CGAL, -ctl, /home/mcc/execution/CTLCardinality.ctl, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/CTLCardinality.pnml.gal -t CGAL -ctl /home/mcc/execution/CTLCardinality.ctl --gen-order FOLLOW
No direction supplied, using forward translation only.
Parsed 15 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.04259e+16,145.436,2480812,2,49967,5,1.38259e+07,6,0,83,1.58009e+07,0


Converting to forward existential form...Done !
original formula: EF(AX((gu1.P1<2)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(EX(!((gu1.P1<2)))))] != FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,148.413,2480812,1,0,8,1.38259e+07,11,2,1115,1.58009e+07,4
FORMULA Kanban-PT-00050-CTLCardinality-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: AG(((gu2.Pm1<=gu2.P3)||(gu1.Pout4>=1)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(((gu2.Pm1<=gu2.P3)||(gu1.Pout4>=1))))] = FALSE
(forward)formula 1,0,148.752,2480812,1,0,11,1.38259e+07,13,4,1221,1.58009e+07,5
FORMULA Kanban-PT-00050-CTLCardinality-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************

original formula: EF((AG((gi2.gu4.P2>=3)) * EX((gi3.gu0.Pm4>=3))))
=> equivalent forward existential formula: [(EY((FwdU(Init,TRUE) * !(E(TRUE U !((gi2.gu4.P2>=3)))))) * (gi3.gu0.Pm4>=3))] != FALSE
(forward)formula 2,0,155.179,2480812,1,0,14,1.38259e+07,20,4,1242,1.58009e+07,9
FORMULA Kanban-PT-00050-CTLCardinality-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************

original formula: AX(!(AG((gu1.Pout4<=gu1.P4))))
=> equivalent forward existential formula: [(EY(Init) * !(E(TRUE U !((gu1.Pout4<=gu1.P4)))))] = FALSE
(forward)formula 3,1,155.416,2480812,1,0,15,1.38259e+07,22,4,1344,1.58009e+07,12
FORMULA Kanban-PT-00050-CTLCardinality-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: EF(AG((gi2.gu3.Pback1>gi2.gu4.Pout1)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U !((gi2.gu3.Pback1>gi2.gu4.Pout1)))))] != FALSE
(forward)formula 4,0,155.722,2480812,1,0,16,1.38259e+07,24,4,1448,1.58009e+07,15
FORMULA Kanban-PT-00050-CTLCardinality-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************

original formula: AG(EF((gi3.gu0.Pout3>=2)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (gi3.gu0.Pout3>=2))))] = FALSE
(forward)formula 5,1,155.802,2480812,1,0,17,1.38259e+07,25,4,1449,1.58009e+07,18
FORMULA Kanban-PT-00050-CTLCardinality-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: EF((gi2.gu4.Pout1>=3))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * (gi2.gu4.Pout1>=3))] != FALSE
(forward)formula 6,1,155.906,2480812,1,0,19,1.38259e+07,26,5,1450,1.58009e+07,19
FORMULA Kanban-PT-00050-CTLCardinality-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: AX(EF((gu2.P3<2)))
=> equivalent forward existential formula: [(EY(Init) * !(E(TRUE U (gu2.P3<2))))] = FALSE
(forward)formula 7,1,156.346,2480812,1,0,20,1.38259e+07,27,5,1451,1.58009e+07,22
FORMULA Kanban-PT-00050-CTLCardinality-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: E((((gu2.Pback4<2)||(gu1.Pout4<=gu1.P4))||(gu2.Pm1<=gu2.Pback4)) U ((gu1.P1<1)&&(gu1.P4<3)))
=> equivalent forward existential formula: [(FwdU(Init,(((gu2.Pback4<2)||(gu1.Pout4<=gu1.P4))||(gu2.Pm1<=gu2.Pback4))) * ((gu1.P1<1)&&(gu1.P4<3)))] != FALSE
Hit Full ! (commute/partial/dont) 6/0/8
Detected timeout of ITS tools.
[2020-05-15 22:51:47] [INFO ] Flatten gal took : 611 ms
[2020-05-15 22:51:47] [INFO ] Time to serialize gal into /home/mcc/execution/CTLCardinality.pnml.gal : 173 ms
[2020-05-15 22:51:47] [INFO ] Time to serialize properties into /home/mcc/execution/CTLCardinality.ctl : 8 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-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/CTLCardinality.pnml.gal, -t, CGAL, -ctl, /home/mcc/execution/CTLCardinality.ctl, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/CTLCardinality.pnml.gal -t CGAL -ctl /home/mcc/execution/CTLCardinality.ctl --gen-order FOLLOW
No direction supplied, using forward translation only.
Parsed 7 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.04259e+16,7.7391,157296,2,667,5,1.18867e+06,6,0,83,1.22088e+06,0


Converting to forward existential form...Done !
original formula: E((((Pback4<2)||(Pout4<=P4))||(Pm1<=Pback4)) U ((P1<1)&&(P4<3)))
=> equivalent forward existential formula: [(FwdU(Init,(((Pback4<2)||(Pout4<=P4))||(Pm1<=Pback4))) * ((P1<1)&&(P4<3)))] != FALSE
Hit Full ! (commute/partial/dont) 7/0/9
Detected timeout of ITS tools.
[2020-05-15 23:11:50] [INFO ] Flatten gal took : 190 ms
[2020-05-15 23:11:51] [INFO ] Input system was already deterministic with 16 transitions.
[2020-05-15 23:11:51] [INFO ] Transformed 16 places.
[2020-05-15 23:11:51] [INFO ] Transformed 16 transitions.
Running greatSPN : CommandLine [args=[/home/mcc/BenchKit//greatspn//bin/pinvar, /home/mcc/execution/gspn], workingDir=/home/mcc/execution]
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : CommandLine [args=[/home/mcc/BenchKit//greatspn//bin/RGMEDD2, /home/mcc/execution/gspn, -META, -varord-only], workingDir=/home/mcc/execution]
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2020-05-15 23:11:51] [INFO ] Time to serialize gal into /home/mcc/execution/CTLCardinality.pnml.gal : 6 ms
[2020-05-15 23:11:51] [INFO ] Time to serialize properties into /home/mcc/execution/CTLCardinality.ctl : 6 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-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/CTLCardinality.pnml.gal, -t, CGAL, -ctl, /home/mcc/execution/CTLCardinality.ctl, --load-order, /home/mcc/execution/model.ord, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/CTLCardinality.pnml.gal -t CGAL -ctl /home/mcc/execution/CTLCardinality.ctl --load-order /home/mcc/execution/model.ord --gen-order FOLLOW
Successfully loaded order from file /home/mcc/execution/model.ord
No direction supplied, using forward translation only.
Parsed 7 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.04259e+16,8.228,193600,2,191542,5,1.28418e+06,6,0,83,1.09683e+06,0


Converting to forward existential form...Done !
original formula: E((((Pback4<2)||(Pout4<=P4))||(Pm1<=Pback4)) U ((P1<1)&&(P4<3)))
=> equivalent forward existential formula: [(FwdU(Init,(((Pback4<2)||(Pout4<=P4))||(Pm1<=Pback4))) * ((P1<1)&&(P4<3)))] != FALSE
Hit Full ! (commute/partial/dont) 7/0/9

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution CTLCardinality -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 CTLCardinality -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="Kanban-PT-00050"
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"

# 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 itstools"
echo " Input is Kanban-PT-00050, 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 r096-oct2-158940145200507"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Kanban-PT-00050.tgz
mv Kanban-PT-00050 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 ;