Execution Chart

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

Trace from the execution

Formatting '/local/x2003239/mcc2019-input.r201-csrt-155286434100355.qcow2', fmt=qcow2 size=4294967296 backing_file=/local/x2003239/mcc2019-input.qcow2 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
....................
=====================================================================
Generated by BenchKit 2-3954
Executing tool itstoolsm
Input is SmallOperatingSystem-PT-MT0032DC0016, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r201-csrt-155286434100355
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 176K
-rw-r--r-- 1 mcc users 4.0K Feb 12 18:43 CTLCardinality.txt
-rw-r--r-- 1 mcc users 18K Feb 12 18:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Feb 9 02:05 CTLFireability.txt
-rw-r--r-- 1 mcc users 15K Feb 9 02:05 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 10 17:31 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Mar 10 17:31 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 123 Feb 24 15:05 GlobalProperties.txt
-rw-r--r-- 1 mcc users 361 Feb 24 15:05 GlobalProperties.xml
-rw-r--r-- 1 mcc users 3.0K Feb 5 01:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 12K Feb 5 01:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 4 22:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 8.9K Feb 4 22:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Feb 4 20:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 15K Feb 4 20:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Feb 1 20:57 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 1 20:57 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Feb 4 22:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Feb 4 22:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jan 29 09:35 equiv_col
-rw-r--r-- 1 mcc users 13 Jan 29 09:35 instance
-rw-r--r-- 1 mcc users 6 Jan 29 09:35 iscolored
-rw-r--r-- 1 mcc users 8.2K Mar 10 17:31 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 SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-00
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-01
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-02
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-03
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-04
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-05
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-06
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-07
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-08
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-09
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-10
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-11
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-12
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-13
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-14
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1553805496684

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
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903251645/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], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903251645/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
Successfully loaded order from file /home/mcc/execution/model.ord
No direction supplied, using forward translation only.
Parsed 16 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,354501,0.477215,14636,2,1138,5,50774,6,0,47,59477,0


Converting to forward existential form...Done !
original formula: EF(((LoadingMem<=TransferToDisk) * AG((TaskReady>=2))))
=> equivalent forward existential formula: [((FwdU(Init,TRUE) * (LoadingMem<=TransferToDisk)) * !(E(TRUE U !((TaskReady>=2)))))] != FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.561986,15020,1,0,6,50774,15,0,411,59477,5
FORMULA SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

original formula: E(((TransferToDisk<=TaskSuspended)||((TaskSuspended<=DiskControllerUnit)&&(TaskReady>=3))) U EF((FreeMemSegment<=DiskControllerUnit)))
=> equivalent forward existential formula: [(FwdU(FwdU(Init,((TransferToDisk<=TaskSuspended)||((TaskSuspended<=DiskControllerUnit)&&(TaskReady>=3)))),TRUE) * (FreeMemSegment<=DiskControllerUnit))] != FALSE
Hit Full ! (commute/partial/dont) 0/0/8
(forward)formula 1,1,12.1154,193988,1,0,10,825698,24,1,571,1.02406e+06,11
FORMULA SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

original formula: AG(AF(!((CPUUnit<=DiskControllerUnit))))
=> equivalent forward existential formula: [FwdG(FwdU(Init,TRUE),!(!((CPUUnit<=DiskControllerUnit))))] = FALSE
Hit Full ! (commute/partial/dont) 1/0/7
(forward)formula 2,0,12.1397,194252,1,0,12,827659,34,1,622,1.02675e+06,17
FORMULA SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

original formula: (AG((LoadingMem<=CPUUnit)) + !(EG((TaskReady<=CPUUnit))))
=> equivalent forward existential formula: [FwdG((Init * !(!(E(TRUE U !((LoadingMem<=CPUUnit)))))),(TaskReady<=CPUUnit))] = FALSE
(forward)formula 3,1,12.1601,195308,1,0,12,827674,37,1,706,1.02678e+06,19
FORMULA SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

original formula: E((((ExecutingTask<=TaskReady)||(DiskControllerUnit>=1))&&(ExecutingTask>=1)) U EF((TaskOnDisk<=ExecutingTask)))
=> equivalent forward existential formula: [(FwdU(FwdU(Init,(((ExecutingTask<=TaskReady)||(DiskControllerUnit>=1))&&(ExecutingTask>=1))),TRUE) * (TaskOnDisk<=ExecutingTask))] != FALSE
Hit Full ! (commute/partial/dont) 0/0/8
(forward)formula 4,1,12.9833,203492,1,0,15,864364,45,2,819,1.07427e+06,25
FORMULA SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

original formula: AG((TransferToDisk<=CPUUnit))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !((TransferToDisk<=CPUUnit)))] = FALSE
(forward)formula 5,1,12.9843,203492,1,0,15,864364,47,2,838,1.07427e+06,25
FORMULA SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

original formula: AG(EX(!((CPUUnit<=TransferToDisk))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(EX(!((CPUUnit<=TransferToDisk)))))] = FALSE
(forward)formula 6,1,13.0067,204020,1,0,16,864835,49,2,857,1.07471e+06,27
FORMULA SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

original formula: !(AG((((ExecutingTask<=LoadingMem)||(TaskSuspended<=TransferToDisk))||((TaskSuspended<=FreeMemSegment)&&(TaskOnDisk>=3)))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !((((ExecutingTask<=LoadingMem)||(TaskSuspended<=TransferToDisk))||((TaskSuspended<=FreeMemSegment)&&(TaskOnDisk>=3)))))] != FALSE
(forward)formula 7,1,13.3333,212204,1,0,18,894720,51,4,953,1.15737e+06,28
FORMULA SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

original formula: FALSE
=> equivalent forward existential formula: [(Init * FALSE)] != FALSE
(forward)formula 8,0,13.3335,212204,1,0,18,894720,51,4,953,1.15737e+06,28
FORMULA SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

original formula: EF(!((LoadingMem<=TaskOnDisk)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !((LoadingMem<=TaskOnDisk)))] != FALSE
(forward)formula 9,0,13.334,212468,1,0,18,894720,53,4,988,1.15737e+06,28
FORMULA SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-09 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

original formula: E(AX((FreeMemSegment>=2)) U !(((TaskOnDisk<=FreeMemSegment)||(ExecutingTask<=TaskOnDisk))))
=> equivalent forward existential formula: [(FwdU(Init,!(EX(!((FreeMemSegment>=2))))) * !(((TaskOnDisk<=FreeMemSegment)||(ExecutingTask<=TaskOnDisk))))] != FALSE
(forward)formula 10,0,13.3408,212732,1,0,18,894770,55,4,1045,1.15761e+06,28
FORMULA SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-10 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

original formula: AG(EX(((FreeMemSegment>=3)||(TaskSuspended<=DiskControllerUnit))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(EX(((FreeMemSegment>=3)||(TaskSuspended<=DiskControllerUnit)))))] = FALSE
(forward)formula 11,0,13.4219,213788,1,0,21,900407,56,6,1047,1.16617e+06,30
FORMULA SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

original formula: AG((EF((CPUUnit>=1)) + AG((ExecutingTask>=2))))
=> equivalent forward existential formula: [(FwdU((FwdU(Init,TRUE) * !(E(TRUE U (CPUUnit>=1)))),TRUE) * !((ExecutingTask>=2)))] = FALSE
(forward)formula 12,1,13.4302,214316,1,0,25,901173,59,7,1049,1.16796e+06,34
FORMULA SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

original formula: E(((TaskReady<=FreeMemSegment)||(TaskOnDisk>=3)) U ((TaskOnDisk<=TaskSuspended)&&(ExecutingTask>=3)))
=> equivalent forward existential formula: [(FwdU(Init,((TaskReady<=FreeMemSegment)||(TaskOnDisk>=3))) * ((TaskOnDisk<=TaskSuspended)&&(ExecutingTask>=3)))] != FALSE
(forward)formula 13,0,13.4351,214316,1,0,25,901722,60,7,1085,1.16796e+06,34
FORMULA SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

original formula: A((((TaskReady>=3)&&(TransferToDisk<=CPUUnit))&&(DiskControllerUnit>=1)) U EF((CPUUnit<=DiskControllerUnit)))
=> equivalent forward existential formula: [((Init * !(EG(!(E(TRUE U (CPUUnit<=DiskControllerUnit)))))) * !(E(!(E(TRUE U (CPUUnit<=DiskControllerUnit))) U (!((((TaskReady>=3)&&(TransferToDisk<=CPUUnit))&&(DiskControllerUnit>=1))) * !(E(TRUE U (CPUUnit<=DiskControllerUnit)))))))] != FALSE
(forward)formula 14,1,13.8552,221708,1,0,25,933020,67,8,1091,1.2008e+06,36
FORMULA SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

original formula: AG(E(TRUE U (LoadingMem<=FreeMemSegment)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (LoadingMem<=FreeMemSegment))))] = FALSE
(forward)formula 15,1,14.1695,225932,1,0,26,940661,68,8,1122,1.20688e+06,39
FORMULA SmallOperatingSystem-PT-MT0032DC0016-CTLCardinality-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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


BK_STOP 1553805514110

--------------------
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
+ 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 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss8m -Xms40m -Xmx8192m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6
Mar 28, 2019 8:38:18 PM fr.lip6.move.gal.application.Application start
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]
Mar 28, 2019 8:38:18 PM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Mar 28, 2019 8:38:19 PM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 23 ms
Mar 28, 2019 8:38:19 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 9 places.
Mar 28, 2019 8:38:19 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 8 transitions.
Mar 28, 2019 8:38:19 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 17 ms
Mar 28, 2019 8:38:19 PM fr.lip6.move.gal.instantiate.CTLSimplifier simplifyTemporal
INFO: Initial state reduction rules for CTL removed 1 formulas.
Mar 28, 2019 8:38:19 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 40 ms
Mar 28, 2019 8:38:19 PM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 8 transitions.
Mar 28, 2019 8:38:19 PM fr.lip6.move.gal.application.StructuralToGreatSPN handlePage
INFO: Transformed 9 places.
Mar 28, 2019 8:38:19 PM fr.lip6.move.gal.application.StructuralToGreatSPN handlePage
INFO: Transformed 8 transitions.
Mar 28, 2019 8:38:19 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/CTLCardinality.pnml.gal : 1 ms
Mar 28, 2019 8:38:19 PM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSCTLTools
INFO: Time to serialize properties into /home/mcc/execution/CTLCardinality.ctl : 3 ms

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="SmallOperatingSystem-PT-MT0032DC0016"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="itstoolsm"
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 2-3954"
echo " Executing tool itstoolsm"
echo " Input is SmallOperatingSystem-PT-MT0032DC0016, 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 r201-csrt-155286434100355"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SmallOperatingSystem-PT-MT0032DC0016.tgz
mv SmallOperatingSystem-PT-MT0032DC0016 execution
cd execution
if [ "CTLCardinality" = "GlobalProperties" ] ; then
rm -f GenericPropertiesVerdict.xml
fi
if [ "CTLCardinality" = "UpperBounds" ] ; 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
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 ;