About the Execution of ITS-Tools.M for NQueens-PT-08
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
4878.270 | 419965.00 | 425737.00 | 88.80 | TFTTFFTFFFTTFFFF | normal |
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.r197-oct2-155272230000013.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 itstoolsm
Input is NQueens-PT-08, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r197-oct2-155272230000013
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 220K
-rw-r--r-- 1 mcc users 3.6K Feb 11 23:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 20K Feb 11 23:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Feb 7 23:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 7 23:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 10 17:31 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K Mar 10 17:31 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 100 Feb 24 15:05 GlobalProperties.txt
-rw-r--r-- 1 mcc users 338 Feb 24 15:05 GlobalProperties.xml
-rw-r--r-- 1 mcc users 2.5K Feb 5 00:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 12K Feb 5 00:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Feb 4 22:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 9.3K Feb 4 22:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Feb 4 06:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 20K Feb 4 06:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Feb 1 00:05 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 1 00:05 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 4 22:21 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 4 22:21 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jan 29 09:34 equiv_col
-rw-r--r-- 1 mcc users 3 Jan 29 09:34 instance
-rw-r--r-- 1 mcc users 6 Jan 29 09:34 iscolored
-rw-r--r-- 1 mcc users 60K 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 NQueens-PT-08-CTLCardinality-00
FORMULA_NAME NQueens-PT-08-CTLCardinality-01
FORMULA_NAME NQueens-PT-08-CTLCardinality-02
FORMULA_NAME NQueens-PT-08-CTLCardinality-03
FORMULA_NAME NQueens-PT-08-CTLCardinality-04
FORMULA_NAME NQueens-PT-08-CTLCardinality-05
FORMULA_NAME NQueens-PT-08-CTLCardinality-06
FORMULA_NAME NQueens-PT-08-CTLCardinality-07
FORMULA_NAME NQueens-PT-08-CTLCardinality-08
FORMULA_NAME NQueens-PT-08-CTLCardinality-09
FORMULA_NAME NQueens-PT-08-CTLCardinality-10
FORMULA_NAME NQueens-PT-08-CTLCardinality-11
FORMULA_NAME NQueens-PT-08-CTLCardinality-12
FORMULA_NAME NQueens-PT-08-CTLCardinality-13
FORMULA_NAME NQueens-PT-08-CTLCardinality-14
FORMULA_NAME NQueens-PT-08-CTLCardinality-15
=== Now, execution of the tool begins
BK_START 1553627677188
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,118969,17.3085,459024,2,638429,5,1.99492e+06,6,0,269,1.06191e+06,0
Converting to forward existential form...Done !
original formula: E(!(((P_5_6>=3)&&(P_7_6>=3))) U EG((cX_6>=1)))
=> equivalent forward existential formula: [FwdG(FwdU(Init,!(((P_5_6>=3)&&(P_7_6>=3)))),(cX_6>=1))] != FALSE
Hit Full ! (commute/partial/dont) 56/0/8
(forward)formula 0,1,158.827,3460348,1,0,17,8.15669e+06,21,3,2117,3.59789e+06,18
FORMULA NQueens-PT-08-CTLCardinality-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
original formula: AF((P_7_6>=3))
=> equivalent forward existential formula: [FwdG(Init,!((P_7_6>=3)))] = FALSE
(forward)formula 1,0,159.008,3460612,1,0,17,8.15669e+06,23,5,2117,3.64778e+06,19
FORMULA NQueens-PT-08-CTLCardinality-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
original formula: ((AG(!((P_1_2>=3))) * EX((cX_3<=P_2_4))) + E(((L_1<=P_7_6)||(cY_0>=3)) U ((R_15>=2)&&(R_1<=P_3_7))))
=> equivalent forward existential formula: ([(FwdU((Init * !(E(((L_1<=P_7_6)||(cY_0>=3)) U ((R_15>=2)&&(R_1<=P_3_7))))),TRUE) * (P_1_2>=3))] = FALSE * [((Init * !(E(((L_1<=P_7_6)||(cY_0>=3)) U ((R_15>=2)&&(R_1<=P_3_7))))) * !(EX((cX_3<=P_2_4))))] = FALSE)
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 2,1,173.225,3811520,1,0,21,8.92507e+06,32,8,2136,4.47257e+06,23
FORMULA NQueens-PT-08-CTLCardinality-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
original formula: !(EF((cY_4>=3)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * (cY_4>=3))] = FALSE
(forward)formula 3,1,173.565,3818648,1,0,21,8.92507e+06,33,8,2137,4.47257e+06,23
FORMULA NQueens-PT-08-CTLCardinality-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
original formula: A((cY_4<=P_4_7) U AF((P_2_3>=1)))
=> equivalent forward existential formula: [((Init * !(EG(!(!(EG(!((P_2_3>=1)))))))) * !(E(!(!(EG(!((P_2_3>=1))))) U (!((cY_4<=P_4_7)) * !(!(EG(!((P_2_3>=1)))))))))] != FALSE
Hit Full ! (commute/partial/dont) 63/0/1
Hit Full ! (commute/partial/dont) 63/0/1
(forward)formula 4,0,336.996,4658516,1,0,27,1.09256e+07,16,16,1172,7.42036e+06,18
FORMULA NQueens-PT-08-CTLCardinality-04 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
original formula: AF((R_5<=P_5_0))
=> equivalent forward existential formula: [FwdG(Init,!((R_5<=P_5_0)))] = FALSE
Hit Full ! (commute/partial/dont) 58/0/6
(forward)formula 5,0,348.437,4658516,1,0,27,1.09256e+07,24,19,1526,7.42036e+06,21
FORMULA NQueens-PT-08-CTLCardinality-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
original formula: EF(EG((P_3_3>=1)))
=> equivalent forward existential formula: [FwdG(FwdU(Init,TRUE),(P_3_3>=1))] != FALSE
Hit Full ! (commute/partial/dont) 63/0/1
(forward)formula 6,1,349.314,4658516,1,0,27,1.09256e+07,31,21,1556,7.42036e+06,24
FORMULA NQueens-PT-08-CTLCardinality-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
original formula: AF(((P_1_5>=3)&&(R_2<=1)))
=> equivalent forward existential formula: [FwdG(Init,!(((P_1_5>=3)&&(R_2<=1))))] = FALSE
(forward)formula 7,0,357.963,4658516,1,0,27,1.09256e+07,37,23,1567,8.02932e+06,27
FORMULA NQueens-PT-08-CTLCardinality-07 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
original formula: E(EX((cX_0<=L_4)) U ((!(P_7_5<=L_13))&&(R_2>=2)))
=> equivalent forward existential formula: [(FwdU(Init,EX((cX_0<=L_4))) * ((!(P_7_5<=L_13))&&(R_2>=2)))] != FALSE
(forward)formula 8,0,357.991,4658516,1,0,27,1.09256e+07,38,23,1570,8.02932e+06,27
FORMULA NQueens-PT-08-CTLCardinality-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
original formula: EF(((P_0_3<=P_5_6)&&(cY_4>=3)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * ((P_0_3<=P_5_6)&&(cY_4>=3)))] != FALSE
(forward)formula 9,0,358.524,4658516,1,0,27,1.09256e+07,39,23,1576,8.02999e+06,27
FORMULA NQueens-PT-08-CTLCardinality-09 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
original formula: EF(EG((cY_7<=P_3_2)))
=> equivalent forward existential formula: [FwdG(FwdU(Init,TRUE),(cY_7<=P_3_2))] != FALSE
Hit Full ! (commute/partial/dont) 55/0/9
(forward)formula 10,1,360.522,4658516,1,0,28,1.09256e+07,46,25,1619,8.11752e+06,30
FORMULA NQueens-PT-08-CTLCardinality-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
original formula: EG((L_13<=R_11))
=> equivalent forward existential formula: [FwdG(Init,(L_13<=R_11))] != FALSE
Hit Full ! (commute/partial/dont) 57/0/7
(forward)formula 11,1,366.35,4658516,1,0,30,1.09256e+07,53,28,1664,8.6316e+06,33
FORMULA NQueens-PT-08-CTLCardinality-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
original formula: A(!(((R_14<=cX_4)&&(L_14<=P_3_5))) U AG((P_1_1<=cX_4)))
=> equivalent forward existential formula: [((Init * !(EG(!(!(E(TRUE U !((P_1_1<=cX_4)))))))) * !(E(!(!(E(TRUE U !((P_1_1<=cX_4))))) U (!(!(((R_14<=cX_4)&&(L_14<=P_3_5)))) * !(!(E(TRUE U !((P_1_1<=cX_4)))))))))] != FALSE
(forward)formula 12,0,379.36,4660100,1,0,50,1.11063e+07,63,49,1707,9.56401e+06,57
FORMULA NQueens-PT-08-CTLCardinality-12 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
original formula: !(EG(((L_12<=R_12)&&(P_3_4<=cY_3))))
=> equivalent forward existential formula: [FwdG(Init,((L_12<=R_12)&&(P_3_4<=cY_3)))] = FALSE
Hit Full ! (commute/partial/dont) 48/8/16
(forward)formula 13,0,391.032,4666172,1,0,52,1.18713e+07,70,52,1776,1.05879e+07,60
FORMULA NQueens-PT-08-CTLCardinality-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
original formula: AF(((P_7_6>=1)&&(cY_7>=1)))
=> equivalent forward existential formula: [FwdG(Init,!(((P_7_6>=1)&&(cY_7>=1))))] = FALSE
Hit Full ! (commute/partial/dont) 55/0/9
(forward)formula 14,0,391.69,4666436,1,0,54,1.19197e+07,78,55,1811,1.06855e+07,63
FORMULA NQueens-PT-08-CTLCardinality-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
original formula: AF(AG(((P_7_3<=cY_5)&&(cX_1<=L_7))))
=> equivalent forward existential formula: [FwdG(Init,!(!(E(TRUE U !(((P_7_3<=cY_5)&&(cX_1<=L_7)))))))] = FALSE
(forward)formula 15,0,414.515,4677524,1,0,80,1.33253e+07,83,75,1838,1.25212e+07,85
FORMULA NQueens-PT-08-CTLCardinality-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
BK_STOP 1553628097153
--------------------
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 26, 2019 7:14:38 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 26, 2019 7:14:38 PM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Mar 26, 2019 7:14:38 PM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 37 ms
Mar 26, 2019 7:14:38 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 112 places.
Mar 26, 2019 7:14:38 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 64 transitions.
Mar 26, 2019 7:14:38 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 9 ms
Mar 26, 2019 7:14:38 PM fr.lip6.move.gal.instantiate.DomainAnalyzer computeVariableDomains
INFO: Found a total of 2 fixed domain variables (out of 112 variables) in GAL type NQueens_PT_08
Mar 26, 2019 7:14:38 PM fr.lip6.move.gal.instantiate.Simplifier printConstantVars
INFO: Found a total of 2 constant array cells/variables (out of 112 variables) in type NQueens_PT_08
Mar 26, 2019 7:14:38 PM fr.lip6.move.gal.instantiate.Simplifier printConstantVars
INFO: L_15,R_0,
Mar 26, 2019 7:14:38 PM fr.lip6.move.gal.instantiate.DomainAnalyzer computeVariableDomains
INFO: Found a total of 2 fixed domain variables (out of 112 variables) in GAL type NQueens_PT_08
Mar 26, 2019 7:14:38 PM fr.lip6.move.gal.instantiate.Simplifier printConstantVars
INFO: Found a total of 2 constant array cells/variables (out of 112 variables) in type NQueens_PT_08
Mar 26, 2019 7:14:38 PM fr.lip6.move.gal.instantiate.Simplifier printConstantVars
INFO: L_15,R_0,
Mar 26, 2019 7:14:38 PM fr.lip6.move.gal.instantiate.Simplifier simplifyConstantVariables
INFO: Removed 2 constant variables :L_15=1, R_0=1
Mar 26, 2019 7:14:38 PM fr.lip6.move.gal.instantiate.Simplifier simplifyConstantVariables
INFO: Simplified 3 expressions due to constant valuations.
Mar 26, 2019 7:14:39 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 55 ms
Mar 26, 2019 7:14:39 PM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 64 transitions.
Mar 26, 2019 7:14:39 PM fr.lip6.move.gal.application.StructuralToGreatSPN handlePage
INFO: Transformed 110 places.
Mar 26, 2019 7:14:39 PM fr.lip6.move.gal.application.StructuralToGreatSPN handlePage
INFO: Transformed 64 transitions.
Mar 26, 2019 7:14:39 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/CTLCardinality.pnml.gal : 2 ms
Mar 26, 2019 7:14:39 PM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSCTLTools
INFO: Time to serialize properties into /home/mcc/execution/CTLCardinality.ctl : 1 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="NQueens-PT-08"
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 NQueens-PT-08, 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 r197-oct2-155272230000013"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/NQueens-PT-08.tgz
mv NQueens-PT-08 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 '
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 ;