About the Execution of ITS-Tools for AutoFlight-PT-24a
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
277.468 | 16279.00 | 22078.00 | 375.80 | F | normal |
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.r019-tall-162038041600303.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
...................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is AutoFlight-PT-24a, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r019-tall-162038041600303
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 596K
-rw-r--r-- 1 mcc users 18K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 184K May 5 16:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 11K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 95K May 5 16:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 2.7K Mar 28 15:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 19K Mar 28 15:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K Mar 28 15:45 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Mar 28 15:45 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.2K Mar 23 01:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 15K Mar 23 01:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 22 10:21 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 22 10:21 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 22 09:09 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 22 09:09 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 4 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 169K May 5 16:51 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
FORMULA_NAME StableMarking
=== Now, execution of the tool begins
BK_START 1620418107121
Running Version 0
[2021-05-07 20:08:28] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2021-05-07 20:08:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-07 20:08:28] [INFO ] Load time of PNML (sax parser for PT used): 82 ms
[2021-05-07 20:08:28] [INFO ] Transformed 607 places.
[2021-05-07 20:08:28] [INFO ] Transformed 605 transitions.
[2021-05-07 20:08:28] [INFO ] Found NUPN structural information;
[2021-05-07 20:08:28] [INFO ] Parsed PT model containing 607 places and 605 transitions in 127 ms.
Structural test allowed to assert that 220 places are NOT stable. Took 13 ms.
Ensure Unique test removed 120 transitions
Reduce redundant transitions removed 120 transitions.
Incomplete random walk after 10000 steps, including 112 resets, run finished after 187 ms. (steps per millisecond=53 ) properties (out of 387) seen :311
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 76) seen :0
Running SMT prover for 76 properties.
// Phase 1: matrix 485 rows 607 cols
[2021-05-07 20:08:29] [INFO ] Computed 148 place invariants in 18 ms
[2021-05-07 20:08:30] [INFO ] SMT Verify possible in real domain returnedunsat :0 sat :0 real:76
[2021-05-07 20:08:31] [INFO ] [Nat]Absence check using 147 positive place invariants in 26 ms returned sat
[2021-05-07 20:08:31] [INFO ] [Nat]Absence check using 147 positive and 1 generalized place invariants in 2 ms returned sat
[2021-05-07 20:08:31] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-07 20:08:33] [INFO ] [Nat]Absence check using state equation in 1365 ms returned unsat :0 sat :76
[2021-05-07 20:08:33] [INFO ] State equation strengthened by 120 read => feed constraints.
[2021-05-07 20:08:33] [INFO ] [Nat]Added 120 Read/Feed constraints in 5 ms returned sat
Attempting to minimize the solution found.
Minimization took 1440 ms.
[2021-05-07 20:08:35] [INFO ] SMT Verify possible in nat domain returned unsat :0 sat :76
Fused 76 Parikh solutions to 38 different solutions.
Incomplete Parikh walk after 4670 steps, including 44 resets, run finished after 55 ms. (steps per millisecond=84 ) properties (out of 76) seen :40 could not realise parikh vector
Incomplete Parikh walk after 4600 steps, including 44 resets, run finished after 53 ms. (steps per millisecond=86 ) properties (out of 36) seen :2 could not realise parikh vector
Incomplete Parikh walk after 4670 steps, including 43 resets, run finished after 47 ms. (steps per millisecond=99 ) properties (out of 34) seen :2 could not realise parikh vector
Incomplete Parikh walk after 4600 steps, including 43 resets, run finished after 45 ms. (steps per millisecond=102 ) properties (out of 32) seen :2 could not realise parikh vector
Incomplete Parikh walk after 4590 steps, including 44 resets, run finished after 46 ms. (steps per millisecond=99 ) properties (out of 30) seen :0 could not realise parikh vector
Incomplete Parikh walk after 4600 steps, including 42 resets, run finished after 44 ms. (steps per millisecond=104 ) properties (out of 30) seen :8 could not realise parikh vector
Incomplete Parikh walk after 4600 steps, including 44 resets, run finished after 45 ms. (steps per millisecond=102 ) properties (out of 22) seen :0 could not realise parikh vector
Incomplete Parikh walk after 4600 steps, including 43 resets, run finished after 44 ms. (steps per millisecond=104 ) properties (out of 22) seen :2 could not realise parikh vector
Incomplete Parikh walk after 4590 steps, including 46 resets, run finished after 41 ms. (steps per millisecond=111 ) properties (out of 20) seen :0 could not realise parikh vector
Incomplete Parikh walk after 4600 steps, including 43 resets, run finished after 43 ms. (steps per millisecond=106 ) properties (out of 20) seen :0 could not realise parikh vector
Incomplete Parikh walk after 4600 steps, including 41 resets, run finished after 40 ms. (steps per millisecond=115 ) properties (out of 20) seen :2 could not realise parikh vector
Incomplete Parikh walk after 4600 steps, including 43 resets, run finished after 41 ms. (steps per millisecond=112 ) properties (out of 18) seen :0 could not realise parikh vector
Incomplete Parikh walk after 4590 steps, including 42 resets, run finished after 42 ms. (steps per millisecond=109 ) properties (out of 18) seen :0 could not realise parikh vector
Incomplete Parikh walk after 4600 steps, including 47 resets, run finished after 40 ms. (steps per millisecond=115 ) properties (out of 18) seen :2 could not realise parikh vector
Incomplete Parikh walk after 4600 steps, including 42 resets, run finished after 39 ms. (steps per millisecond=117 ) properties (out of 16) seen :0 could not realise parikh vector
Incomplete Parikh walk after 4600 steps, including 47 resets, run finished after 40 ms. (steps per millisecond=115 ) properties (out of 16) seen :0 could not realise parikh vector
Incomplete Parikh walk after 4600 steps, including 42 resets, run finished after 41 ms. (steps per millisecond=112 ) properties (out of 16) seen :0 could not realise parikh vector
Incomplete Parikh walk after 4670 steps, including 43 resets, run finished after 40 ms. (steps per millisecond=116 ) properties (out of 16) seen :4 could not realise parikh vector
Incomplete Parikh walk after 46000 steps, including 487 resets, run finished after 368 ms. (steps per millisecond=125 ) properties (out of 12) seen :0 could not realise parikh vector
Incomplete Parikh walk after 46700 steps, including 476 resets, run finished after 370 ms. (steps per millisecond=126 ) properties (out of 12) seen :0 could not realise parikh vector
Incomplete Parikh walk after 46000 steps, including 475 resets, run finished after 370 ms. (steps per millisecond=124 ) properties (out of 12) seen :2 could not realise parikh vector
Incomplete Parikh walk after 45900 steps, including 461 resets, run finished after 358 ms. (steps per millisecond=128 ) properties (out of 10) seen :4 could not realise parikh vector
Incomplete Parikh walk after 46000 steps, including 506 resets, run finished after 364 ms. (steps per millisecond=126 ) properties (out of 6) seen :2 could not realise parikh vector
Incomplete Parikh walk after 46000 steps, including 469 resets, run finished after 352 ms. (steps per millisecond=130 ) properties (out of 4) seen :2 could not realise parikh vector
Incomplete Parikh walk after 46700 steps, including 475 resets, run finished after 358 ms. (steps per millisecond=130 ) properties (out of 2) seen :0 could not realise parikh vector
Incomplete Parikh walk after 46000 steps, including 511 resets, run finished after 344 ms. (steps per millisecond=133 ) properties (out of 2) seen :0 could not realise parikh vector
Incomplete Parikh walk after 46000 steps, including 467 resets, run finished after 350 ms. (steps per millisecond=131 ) properties (out of 2) seen :0 could not realise parikh vector
Incomplete Parikh walk after 45900 steps, including 463 resets, run finished after 350 ms. (steps per millisecond=131 ) properties (out of 2) seen :0 could not realise parikh vector
Incomplete Parikh walk after 46000 steps, including 480 resets, run finished after 351 ms. (steps per millisecond=131 ) properties (out of 2) seen :0 could not realise parikh vector
Incomplete Parikh walk after 45900 steps, including 465 resets, run finished after 350 ms. (steps per millisecond=131 ) properties (out of 2) seen :0 could not realise parikh vector
Incomplete Parikh walk after 46000 steps, including 465 resets, run finished after 350 ms. (steps per millisecond=131 ) properties (out of 2) seen :0 could not realise parikh vector
Incomplete Parikh walk after 45900 steps, including 464 resets, run finished after 345 ms. (steps per millisecond=133 ) properties (out of 2) seen :0 could not realise parikh vector
Incomplete Parikh walk after 46000 steps, including 516 resets, run finished after 337 ms. (steps per millisecond=136 ) properties (out of 2) seen :0 could not realise parikh vector
Finished Parikh walk after 40637 steps, including 404 resets, run visited all 2 properties in 316 ms. (steps per millisecond=128 )
Able to resolve query StableMarking after proving 388 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PARIKH_WALK MARKED_SUFFIX_TEST TOPOLOGICAL
BK_STOP 1620418123400
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination StableMarking -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m
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="AutoFlight-PT-24a"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 itstools"
echo " Input is AutoFlight-PT-24a, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r019-tall-162038041600303"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-24a.tgz
mv AutoFlight-PT-24a execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property StableMarking.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "StableMarking.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 [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;