About the Execution of LTSMin+red for PolyORBLF-COL-S06J06T04
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
354.327 | 10599.00 | 21244.00 | 461.10 | FTFTTFTFTTTTTFFT | normal |
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.r297-tall-167873950500470.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 ltsminxred
Input is PolyORBLF-COL-S06J06T04, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r297-tall-167873950500470
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 6.3K Feb 26 13:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 52K Feb 26 13:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Feb 26 13:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Feb 26 13:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.9K Feb 25 16:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Feb 25 16:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Feb 25 16:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 16:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 26 14:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 96K Feb 26 14:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Feb 26 14:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 26 14:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 16:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 10 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 154K 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 PolyORBLF-COL-S06J06T04-ReachabilityCardinality-00
FORMULA_NAME PolyORBLF-COL-S06J06T04-ReachabilityCardinality-01
FORMULA_NAME PolyORBLF-COL-S06J06T04-ReachabilityCardinality-02
FORMULA_NAME PolyORBLF-COL-S06J06T04-ReachabilityCardinality-03
FORMULA_NAME PolyORBLF-COL-S06J06T04-ReachabilityCardinality-04
FORMULA_NAME PolyORBLF-COL-S06J06T04-ReachabilityCardinality-05
FORMULA_NAME PolyORBLF-COL-S06J06T04-ReachabilityCardinality-06
FORMULA_NAME PolyORBLF-COL-S06J06T04-ReachabilityCardinality-07
FORMULA_NAME PolyORBLF-COL-S06J06T04-ReachabilityCardinality-08
FORMULA_NAME PolyORBLF-COL-S06J06T04-ReachabilityCardinality-09
FORMULA_NAME PolyORBLF-COL-S06J06T04-ReachabilityCardinality-10
FORMULA_NAME PolyORBLF-COL-S06J06T04-ReachabilityCardinality-11
FORMULA_NAME PolyORBLF-COL-S06J06T04-ReachabilityCardinality-12
FORMULA_NAME PolyORBLF-COL-S06J06T04-ReachabilityCardinality-13
FORMULA_NAME PolyORBLF-COL-S06J06T04-ReachabilityCardinality-14
FORMULA_NAME PolyORBLF-COL-S06J06T04-ReachabilityCardinality-15
=== Now, execution of the tool begins
BK_START 1679534541347
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=ltsminxred
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PolyORBLF-COL-S06J06T04
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-23 01:22:23] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2023-03-23 01:22:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-23 01:22:24] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-23 01:22:24] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-23 01:22:24] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 731 ms
[2023-03-23 01:22:24] [INFO ] Imported 81 HL places and 65 HL transitions for a total of 506 PT places and 7196.0 transition bindings in 27 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 118 ms.
Working with output stream class java.io.PrintStream
FORMULA PolyORBLF-COL-S06J06T04-ReachabilityCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-23 01:22:24] [INFO ] Built PT skeleton of HLPN with 81 places and 65 transitions 254 arcs in 6 ms.
[2023-03-23 01:22:24] [INFO ] Skeletonized 15 HLPN properties in 1 ms.
Remains 15 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
[2023-03-23 01:22:25] [INFO ] Flatten gal took : 34 ms
[2023-03-23 01:22:25] [INFO ] Flatten gal took : 18 ms
Transition GoPerformWork forces synchronizations/join behavior on parameter j of sort Jobs
Transition T_0376 forces synchronizations/join behavior on parameter s of sort Sources
Transition T_2315 forces synchronizations/join behavior on parameter t of sort Threads
[2023-03-23 01:22:25] [INFO ] Unfolded HLPN to a Petri net with 506 places and 7154 transitions 59824 arcs in 238 ms.
[2023-03-23 01:22:25] [INFO ] Unfolded 15 HLPN properties in 1 ms.
Ensure Unique test removed 5380 transitions
Reduce redundant transitions removed 5380 transitions.
Incomplete random walk after 10000 steps, including 53 resets, run finished after 679 ms. (steps per millisecond=14 ) properties (out of 15) seen :3
FORMULA PolyORBLF-COL-S06J06T04-ReachabilityCardinality-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PolyORBLF-COL-S06J06T04-ReachabilityCardinality-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PolyORBLF-COL-S06J06T04-ReachabilityCardinality-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 201 ms. (steps per millisecond=49 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 223 ms. (steps per millisecond=44 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 238 ms. (steps per millisecond=42 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 281 ms. (steps per millisecond=35 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 3 resets, run finished after 228 ms. (steps per millisecond=43 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 20 resets, run finished after 153 ms. (steps per millisecond=65 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 21 resets, run finished after 249 ms. (steps per millisecond=40 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 209 ms. (steps per millisecond=47 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 12 resets, run finished after 178 ms. (steps per millisecond=56 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 182 ms. (steps per millisecond=54 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 20 resets, run finished after 168 ms. (steps per millisecond=59 ) properties (out of 12) seen :0
Running SMT prover for 12 properties.
[2023-03-23 01:22:28] [INFO ] Flow matrix only has 1750 transitions (discarded 24 similar events)
// Phase 1: matrix 1750 rows 506 cols
[2023-03-23 01:22:28] [INFO ] Computed 54 place invariants in 152 ms
[2023-03-23 01:22:30] [INFO ] [Real]Absence check using 17 positive place invariants in 11 ms returned sat
[2023-03-23 01:22:30] [INFO ] [Real]Absence check using 17 positive and 37 generalized place invariants in 37 ms returned sat
[2023-03-23 01:22:30] [INFO ] After 654ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:11
[2023-03-23 01:22:30] [INFO ] [Nat]Absence check using 17 positive place invariants in 6 ms returned sat
[2023-03-23 01:22:30] [INFO ] [Nat]Absence check using 17 positive and 37 generalized place invariants in 29 ms returned sat
[2023-03-23 01:22:30] [INFO ] After 252ms SMT Verify possible using all constraints in natural domain returned unsat :12 sat :0
FORMULA PolyORBLF-COL-S06J06T04-ReachabilityCardinality-14 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBLF-COL-S06J06T04-ReachabilityCardinality-13 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBLF-COL-S06J06T04-ReachabilityCardinality-12 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBLF-COL-S06J06T04-ReachabilityCardinality-10 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBLF-COL-S06J06T04-ReachabilityCardinality-08 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBLF-COL-S06J06T04-ReachabilityCardinality-07 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBLF-COL-S06J06T04-ReachabilityCardinality-06 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBLF-COL-S06J06T04-ReachabilityCardinality-05 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBLF-COL-S06J06T04-ReachabilityCardinality-04 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBLF-COL-S06J06T04-ReachabilityCardinality-03 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBLF-COL-S06J06T04-ReachabilityCardinality-01 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBLF-COL-S06J06T04-ReachabilityCardinality-00 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 12 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 1 ms.
All properties solved without resorting to model-checking.
Total runtime 6455 ms.
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --invariant=/tmp/443/inv_0_ --invariant=/tmp/443/inv_1_ --invariant=/tmp/443/inv_2_ --invariant=/tmp/443/inv_3_ --invariant=/tmp/443/inv_4_ --invariant=/tmp/443/inv_5_ --invariant=/tmp/443/inv_6_ --invariant=/tmp/443/inv_7_ --invariant=/tmp/443/inv_8_ --invariant=/tmp/443/inv_9_ --invariant=/tmp/443/inv_10_ --invariant=/tmp/443/inv_11_ --invariant=/tmp/443/inv_12_ --invariant=/tmp/443/inv_13_ --invariant=/tmp/443/inv_14_ --invariant=/tmp/443/inv_15_ --inv-par
Could not compute solution for formula : PolyORBLF-COL-S06J06T04-ReachabilityCardinality-00
Could not compute solution for formula : PolyORBLF-COL-S06J06T04-ReachabilityCardinality-01
Could not compute solution for formula : PolyORBLF-COL-S06J06T04-ReachabilityCardinality-02
Could not compute solution for formula : PolyORBLF-COL-S06J06T04-ReachabilityCardinality-03
Could not compute solution for formula : PolyORBLF-COL-S06J06T04-ReachabilityCardinality-04
Could not compute solution for formula : PolyORBLF-COL-S06J06T04-ReachabilityCardinality-05
Could not compute solution for formula : PolyORBLF-COL-S06J06T04-ReachabilityCardinality-06
Could not compute solution for formula : PolyORBLF-COL-S06J06T04-ReachabilityCardinality-07
Could not compute solution for formula : PolyORBLF-COL-S06J06T04-ReachabilityCardinality-08
Could not compute solution for formula : PolyORBLF-COL-S06J06T04-ReachabilityCardinality-09
Could not compute solution for formula : PolyORBLF-COL-S06J06T04-ReachabilityCardinality-10
Could not compute solution for formula : PolyORBLF-COL-S06J06T04-ReachabilityCardinality-11
Could not compute solution for formula : PolyORBLF-COL-S06J06T04-ReachabilityCardinality-12
Could not compute solution for formula : PolyORBLF-COL-S06J06T04-ReachabilityCardinality-13
Could not compute solution for formula : PolyORBLF-COL-S06J06T04-ReachabilityCardinality-14
Could not compute solution for formula : PolyORBLF-COL-S06J06T04-ReachabilityCardinality-15
BK_STOP 1679534551946
--------------------
content from stderr:
+ 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//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -timeout 360 -rebuildPNML
mcc2023
rfs formula name PolyORBLF-COL-S06J06T04-ReachabilityCardinality-00
rfs formula type EF
rfs formula formula --invariant=/tmp/443/inv_0_
rfs formula name PolyORBLF-COL-S06J06T04-ReachabilityCardinality-01
rfs formula type AG
rfs formula formula --invariant=/tmp/443/inv_1_
rfs formula name PolyORBLF-COL-S06J06T04-ReachabilityCardinality-02
rfs formula type AG
rfs formula formula --invariant=/tmp/443/inv_2_
rfs formula name PolyORBLF-COL-S06J06T04-ReachabilityCardinality-03
rfs formula type AG
rfs formula formula --invariant=/tmp/443/inv_3_
rfs formula name PolyORBLF-COL-S06J06T04-ReachabilityCardinality-04
rfs formula type AG
rfs formula formula --invariant=/tmp/443/inv_4_
rfs formula name PolyORBLF-COL-S06J06T04-ReachabilityCardinality-05
rfs formula type EF
rfs formula formula --invariant=/tmp/443/inv_5_
rfs formula name PolyORBLF-COL-S06J06T04-ReachabilityCardinality-06
rfs formula type AG
rfs formula formula --invariant=/tmp/443/inv_6_
rfs formula name PolyORBLF-COL-S06J06T04-ReachabilityCardinality-07
rfs formula type EF
rfs formula formula --invariant=/tmp/443/inv_7_
rfs formula name PolyORBLF-COL-S06J06T04-ReachabilityCardinality-08
rfs formula type AG
rfs formula formula --invariant=/tmp/443/inv_8_
rfs formula name PolyORBLF-COL-S06J06T04-ReachabilityCardinality-09
rfs formula type AG
rfs formula formula --invariant=/tmp/443/inv_9_
rfs formula name PolyORBLF-COL-S06J06T04-ReachabilityCardinality-10
rfs formula type AG
rfs formula formula --invariant=/tmp/443/inv_10_
rfs formula name PolyORBLF-COL-S06J06T04-ReachabilityCardinality-11
rfs formula type EF
rfs formula formula --invariant=/tmp/443/inv_11_
rfs formula name PolyORBLF-COL-S06J06T04-ReachabilityCardinality-12
rfs formula type AG
rfs formula formula --invariant=/tmp/443/inv_12_
rfs formula name PolyORBLF-COL-S06J06T04-ReachabilityCardinality-13
rfs formula type EF
rfs formula formula --invariant=/tmp/443/inv_13_
rfs formula name PolyORBLF-COL-S06J06T04-ReachabilityCardinality-14
rfs formula type EF
rfs formula formula --invariant=/tmp/443/inv_14_
rfs formula name PolyORBLF-COL-S06J06T04-ReachabilityCardinality-15
rfs formula type EF
rfs formula formula --invariant=/tmp/443/inv_15_
pnml2lts-sym: Exploration order is bfs-prev
pnml2lts-sym: Saturation strategy is sat
pnml2lts-sym: Guided search strategy is unguided
pnml2lts-sym: Attractor strategy is default
pnml2lts-sym: opening model.pnml
pnml2lts-sym: Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-sym, ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
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="PolyORBLF-COL-S06J06T04"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is PolyORBLF-COL-S06J06T04, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r297-tall-167873950500470"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-COL-S06J06T04.tgz
mv PolyORBLF-COL-S06J06T04 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;