Execution Chart

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

Trace from the execution

Formatting '/data/fko/mcc2019-input.r173-oct2-155297753100124.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2019-input.qcow2 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 itstools
Input is SwimmingPool-PT-09, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r173-oct2-155297753100124
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 172K
-rw-r--r-- 1 mcc users 3.7K Feb 12 19:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 20K Feb 12 19:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Feb 9 02:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 20K Feb 9 02:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 10 17:31 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.8K Mar 10 17:31 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 105 Feb 24 15:05 GlobalProperties.txt
-rw-r--r-- 1 mcc users 343 Feb 24 15:05 GlobalProperties.xml
-rw-r--r-- 1 mcc users 2.2K Feb 5 01:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 8.4K Feb 5 01:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.8K Feb 4 22:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 8.0K Feb 4 22:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 4 21:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 18K Feb 4 21:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Feb 1 21:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 21K Feb 1 21:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 4 22:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 4 22:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jan 29 09:35 equiv_col
-rw-r--r-- 1 mcc users 3 Jan 29 09:35 instance
-rw-r--r-- 1 mcc users 6 Jan 29 09:35 iscolored
-rw-r--r-- 1 mcc users 3.9K 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 SwimmingPool-PT-09-LTLFireability-00
FORMULA_NAME SwimmingPool-PT-09-LTLFireability-01
FORMULA_NAME SwimmingPool-PT-09-LTLFireability-02
FORMULA_NAME SwimmingPool-PT-09-LTLFireability-03
FORMULA_NAME SwimmingPool-PT-09-LTLFireability-04
FORMULA_NAME SwimmingPool-PT-09-LTLFireability-05
FORMULA_NAME SwimmingPool-PT-09-LTLFireability-06
FORMULA_NAME SwimmingPool-PT-09-LTLFireability-07
FORMULA_NAME SwimmingPool-PT-09-LTLFireability-08
FORMULA_NAME SwimmingPool-PT-09-LTLFireability-09
FORMULA_NAME SwimmingPool-PT-09-LTLFireability-10
FORMULA_NAME SwimmingPool-PT-09-LTLFireability-11
FORMULA_NAME SwimmingPool-PT-09-LTLFireability-12
FORMULA_NAME SwimmingPool-PT-09-LTLFireability-13
FORMULA_NAME SwimmingPool-PT-09-LTLFireability-14
FORMULA_NAME SwimmingPool-PT-09-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1553218630014

Working with output stream class java.io.PrintStream
Using solver Z3 to compute partial order matrices.
Built C files in :
/home/mcc/execution
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903111103/bin/its-ltl-linux64, --gc-threshold, 2000000, -i, /home/mcc/execution/LTLFireability.pnml.gal, -t, CGAL, -LTL, /home/mcc/execution/LTLFireability.ltl, -c, -stutter-deadlock], workingDir=/home/mcc/execution]

its-ltl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903111103/bin/its-ltl-linux64 --gc-threshold 2000000 -i /home/mcc/execution/LTLFireability.pnml.gal -t CGAL -LTL /home/mcc/execution/LTLFireability.ltl -c -stutter-deadlock
Read 16 LTL properties
Checking formula 0 : !((G(X(("((Entered>=1)&&(Cabins>=1))")U(G("(Dress>=1)"))))))
Formula 0 simplified : !GX("((Entered>=1)&&(Cabins>=1))" U G"(Dress>=1)")
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 7 rows 9 cols
invariant :WaitBag + -1'InBath + Dressed + Cabins + -1'Bags = -45
invariant :Entered + InBath + Out + -1'Cabins = 90
invariant :Undress + InBath + Dress + Bags = 135
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit//lts_install_dir//include, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/home/mcc/execution]
Compilation finished in 283 ms.
Running link step : CommandLine [args=[gcc, -shared, -o, gal.so, model.o], workingDir=/home/mcc/execution]
Link finished in 53 ms.
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, [](X(((LTLAP0==true))U([]((LTLAP1==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 207 ms.
FORMULA SwimmingPool-PT-09-LTLFireability-00 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, X((LTLAP0==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 166 ms.
FORMULA SwimmingPool-PT-09-LTLFireability-01 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, <>([]((<>((LTLAP1==true)))U(X((LTLAP2==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Unexpected exception when executing ltsmin :CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, <>([]((<>((LTLAP1==true)))U(X((LTLAP2==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
255

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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -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 LTLFireability -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -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 22, 2019 1:37:11 AM fr.lip6.move.gal.application.Application start
INFO: Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -smt]
Mar 22, 2019 1:37:11 AM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Mar 22, 2019 1:37:11 AM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 17 ms
Mar 22, 2019 1:37:11 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 9 places.
Mar 22, 2019 1:37:11 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 7 transitions.
Mar 22, 2019 1:37:11 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 3 ms
Mar 22, 2019 1:37:11 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 12 ms
Mar 22, 2019 1:37:11 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/LTLFireability.pnml.gal : 0 ms
Mar 22, 2019 1:37:11 AM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSLTLTools
INFO: Time to serialize properties into /home/mcc/execution/LTLFireability.ltl : 1 ms
Mar 22, 2019 1:37:11 AM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 7 transitions.
Mar 22, 2019 1:37:11 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 3 place invariants in 4 ms
Mar 22, 2019 1:37:11 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver init
INFO: Proved 9 variables to be positive in 27 ms
Mar 22, 2019 1:37:11 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may disable matrix : 7 transitions.
Mar 22, 2019 1:37:11 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of disable matrix completed :0/7 took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 22, 2019 1:37:11 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete disable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 22, 2019 1:37:11 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may enable matrix : 7 transitions.
Mar 22, 2019 1:37:11 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 22, 2019 1:37:12 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeCoEnablingMatrix
INFO: Computing symmetric co enabling matrix : 7 transitions.
Mar 22, 2019 1:37:12 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Finished co-enabling matrix. took 86 ms. Total solver calls (SAT/UNSAT): 13(13/0)
Mar 22, 2019 1:37:12 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeDoNotAccord
INFO: Computing Do-Not-Accords matrix : 7 transitions.
Mar 22, 2019 1:37:12 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Completed DNA matrix. took 28 ms. Total solver calls (SAT/UNSAT): 12(0/12)
Mar 22, 2019 1:37:12 AM fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext transform
INFO: Built C files in 439ms conformant to PINS in folder :/home/mcc/execution
pins2lts-mc, 0.000: Registering PINS so language module
pins2lts-mc( 2/ 8), 0.006: library has no initializer
pins2lts-mc( 1/ 8), 0.006: library has no initializer
pins2lts-mc( 1/ 8), 0.006: loading model GAL
pins2lts-mc( 0/ 8), 0.007: Loading model from ./gal.so
pins2lts-mc( 2/ 8), 0.006: loading model GAL
pins2lts-mc( 4/ 8), 0.006: library has no initializer
pins2lts-mc( 7/ 8), 0.006: library has no initializer
pins2lts-mc( 7/ 8), 0.010: loading model GAL
pins2lts-mc( 0/ 8), 0.007: library has no initializer
pins2lts-mc( 0/ 8), 0.011: loading model GAL
pins2lts-mc( 7/ 8), 0.010: completed loading model GAL
pins2lts-mc( 7/ 8), 0.010: LTL layer: formula: <>([]((<>((LTLAP1==true)))U(X((LTLAP2==true)))))
pins2lts-mc( 0/ 8), 0.011: completed loading model GAL
pins2lts-mc( 3/ 8), 0.003: library has no initializer
pins2lts-mc( 3/ 8), 0.004: loading model GAL
pins2lts-mc( 3/ 8), 0.004: completed loading model GAL
pins2lts-mc( 7/ 8), 0.010: "<>([]((<>((LTLAP1==true)))U(X((LTLAP2==true)))))" is not a file, parsing as formula...
pins2lts-mc( 1/ 8), 0.010: completed loading model GAL
pins2lts-mc( 5/ 8), 0.010: library has no initializer
pins2lts-mc( 5/ 8), 0.011: loading model GAL
pins2lts-mc( 2/ 8), 0.010: completed loading model GAL
pins2lts-mc( 4/ 8), 0.006: loading model GAL
pins2lts-mc( 4/ 8), 0.011: completed loading model GAL
pins2lts-mc( 6/ 8), 0.011: library has no initializer
pins2lts-mc( 6/ 8), 0.011: loading model GAL
pins2lts-mc( 5/ 8), 0.011: completed loading model GAL
pins2lts-mc( 6/ 8), 0.011: completed loading model GAL
pins2lts-mc( 7/ 8), 0.011: Using Spin LTL semantics
pins2lts-mc( 0/ 8), 0.191: There are 15 state labels and 1 edge labels
pins2lts-mc( 0/ 8), 0.191: State length is 10, there are 16 groups
pins2lts-mc( 0/ 8), 0.191: Running cndfs using 8 cores
pins2lts-mc( 0/ 8), 0.191: Using a tree table with 2^27 elements
pins2lts-mc( 0/ 8), 0.191: Successor permutation: dynamic
pins2lts-mc( 0/ 8), 0.191: Global bits: 2, count bits: 0, local bits: 0
pins2lts-mc( 0/ 8), 0.214: [Blue] ~59 levels ~960 states ~2728 transitions
pins2lts-mc( 0/ 8), 0.226: [Blue] ~117 levels ~1920 states ~5512 transitions
pins2lts-mc( 0/ 8), 0.252: [Blue] ~232 levels ~3840 states ~11096 transitions
pins2lts-mc( 6/ 8), 0.282: [Blue] ~411 levels ~7680 states ~17432 transitions
pins2lts-mc( 6/ 8), 0.350: [Blue] ~632 levels ~15360 states ~36344 transitions
pins2lts-mc( 6/ 8), 0.431: [Blue] ~632 levels ~30720 states ~70472 transitions
pins2lts-mc( 6/ 8), 0.546: [Blue] ~632 levels ~61440 states ~161688 transitions
pins2lts-mc( 6/ 8), 0.952: [Blue] ~632 levels ~122880 states ~348440 transitions
pins2lts-mc( 6/ 8), 1.543: [Blue] ~632 levels ~245760 states ~694312 transitions
pins2lts-mc( 2/ 8), 2.264: [Blue] ~627 levels ~491520 states ~1340664 transitions
pins2lts-mc( 0/ 8), 3.051: [Blue] ~626 levels ~983040 states ~2474520 transitions
pins2lts-mc( 3/ 8), 4.008: [Blue] ~630 levels ~1966080 states ~4490808 transitions
pins2lts-mc( 0/ 8), 5.280: [Blue] ~626 levels ~3932160 states ~9186328 transitions
pins2lts-mc( 0/ 8), 7.842: [Blue] ~626 levels ~7864320 states ~18964952 transitions
pins2lts-mc( 0/ 8), 14.259: [Blue] ~626 levels ~15728640 states ~40435848 transitions
pins2lts-mc( 3/ 8), 26.191: [Blue] ~630 levels ~31457280 states ~75898360 transitions
pins2lts-mc( 3/ 8), 54.529: [Blue] ~630 levels ~62914560 states ~152652488 transitions
pins2lts-mc( 5/ 8), 96.547: Error: tree leafs table full! Change -s/--ratio.
pins2lts-mc( 0/ 8), 96.606:
pins2lts-mc( 0/ 8), 96.606: Explored 83427048 states 240660296 transitions, fanout: 2.885
pins2lts-mc( 0/ 8), 96.606: Total exploration time 96.390 sec (96.300 sec minimum, 96.344 sec on average)
pins2lts-mc( 0/ 8), 96.606: States per second: 865516, Transitions per second: 2496735
pins2lts-mc( 0/ 8), 96.606:
pins2lts-mc( 0/ 8), 96.606: State space has 63237743 states, 31193066 are accepting
pins2lts-mc( 0/ 8), 96.606: cndfs_1 (permutation: dynamic) stats:
pins2lts-mc( 0/ 8), 96.606: blue states: 83427048 (131.93%), transitions: 0 (per worker)
pins2lts-mc( 0/ 8), 96.606: red states: 0 (0.00%), bogus: 0 (0.00%), transitions: 0, waits: 0 (0.00 sec)
pins2lts-mc( 0/ 8), 96.606: all-red states: 47456395 (75.04%), bogus 11477721 (18.15%)
pins2lts-mc( 0/ 8), 96.606:
pins2lts-mc( 0/ 8), 96.606: Total memory used for local state coloring: 0.1MB
pins2lts-mc( 0/ 8), 96.606:
pins2lts-mc( 0/ 8), 96.606: Queue width: 8B, total height: 5029, memory: 0.04MB
pins2lts-mc( 0/ 8), 96.606: Tree memory: 738.5MB, 12.2 B/state, compr.: 29.2%
pins2lts-mc( 0/ 8), 96.606: Tree fill ratio (roots/leafs): 47.0%/99.0%
pins2lts-mc( 0/ 8), 96.606: Stored 8 string chucks using 0MB
pins2lts-mc( 0/ 8), 96.606: Total memory used for chunk indexing: 0MB
pins2lts-mc( 0/ 8), 96.606: Est. total memory use: 738.5MB (~1024.0MB paged-in)
java.lang.RuntimeException: Unexpected exception when executing ltsmin :CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, <>([]((<>((LTLAP1==true)))U(X((LTLAP2==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
255
at fr.lip6.move.gal.application.LTSminRunner.checkProperty(LTSminRunner.java:167)
at fr.lip6.move.gal.application.LTSminRunner.access$9(LTSminRunner.java:122)
at fr.lip6.move.gal.application.LTSminRunner$1.run(LTSminRunner.java:91)
at java.lang.Thread.run(Thread.java:748)

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="SwimmingPool-PT-09"
export BK_EXAMINATION="LTLFireability"
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 2-3954"
echo " Executing tool itstools"
echo " Input is SwimmingPool-PT-09, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r173-oct2-155297753100124"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SwimmingPool-PT-09.tgz
mv SwimmingPool-PT-09 execution
cd execution
if [ "LTLFireability" = "GlobalProperties" ] ; then
rm -f GenericPropertiesVerdict.xml
fi
if [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 '' LTLFireability.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 ;