Execution Chart

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

Trace from the execution

Waiting for the VM to be ready (probing ssh)
................
/home/mcc/execution
total 440K
-rw-r--r-- 1 mcc users 4.3K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 22K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 15 18:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 15 18:50 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.8K May 15 18:50 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 2.5K May 15 18:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 9.8K May 15 18:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 15 18:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 8.1K May 15 18:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.8K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 23K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 113 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 351 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 3.4K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 19K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 15 18:50 equiv_col
-rw-r--r-- 1 mcc users 8 May 15 18:50 instance
-rw-r--r-- 1 mcc users 6 May 15 18:50 iscolored
-rw-r--r-- 1 mcc users 255K May 15 18:50 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool itstoolsl
Input is Diffusion2D-PT-D10N010, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r081-blw3-152649948400171
=====================================================================

--------------------
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 Diffusion2D-PT-D10N010-CTLCardinality-00
FORMULA_NAME Diffusion2D-PT-D10N010-CTLCardinality-01
FORMULA_NAME Diffusion2D-PT-D10N010-CTLCardinality-02
FORMULA_NAME Diffusion2D-PT-D10N010-CTLCardinality-03
FORMULA_NAME Diffusion2D-PT-D10N010-CTLCardinality-04
FORMULA_NAME Diffusion2D-PT-D10N010-CTLCardinality-05
FORMULA_NAME Diffusion2D-PT-D10N010-CTLCardinality-06
FORMULA_NAME Diffusion2D-PT-D10N010-CTLCardinality-07
FORMULA_NAME Diffusion2D-PT-D10N010-CTLCardinality-08
FORMULA_NAME Diffusion2D-PT-D10N010-CTLCardinality-09
FORMULA_NAME Diffusion2D-PT-D10N010-CTLCardinality-10
FORMULA_NAME Diffusion2D-PT-D10N010-CTLCardinality-11
FORMULA_NAME Diffusion2D-PT-D10N010-CTLCardinality-12
FORMULA_NAME Diffusion2D-PT-D10N010-CTLCardinality-13
FORMULA_NAME Diffusion2D-PT-D10N010-CTLCardinality-14
FORMULA_NAME Diffusion2D-PT-D10N010-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1527262078797

Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201805241334/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/CTLCardinality.pnml.gal, -t, CGAL, -ctl, /home/mcc/execution/CTLCardinality.ctl], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201805241334/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/CTLCardinality.pnml.gal -t CGAL -ctl /home/mcc/execution/CTLCardinality.ctl
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,4.26342e+13,0.28786,12844,2,1091,5,48363,6,0,1087,44994,0


Converting to forward existential form...Done !
original formula: E(EF((cAMP__7_1_<=cAMP__7_5_)) U AG((cAMP__2_9_<=cAMP__9_2_)))
=> equivalent forward existential formula: [(FwdU(Init,E(TRUE U (cAMP__7_1_<=cAMP__7_5_))) * !(E(TRUE U !((cAMP__2_9_<=cAMP__9_2_)))))] != FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.901265,24840,1,0,6,116657,15,0,4871,64415,5
FORMULA Diffusion2D-PT-D10N010-CTLCardinality-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

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

original formula: E(((!(cAMP__3_8_<=cAMP__2_1_))||(cAMP__3_5_<=cAMP__5_5_)) U (((cAMP__1_2_>=1)||(cAMP__5_3_>=2))&&(cAMP__1_6_<=cAMP__3_5_)))
=> equivalent forward existential formula: [(FwdU(Init,((!(cAMP__3_8_<=cAMP__2_1_))||(cAMP__3_5_<=cAMP__5_5_))) * (((cAMP__1_2_>=1)||(cAMP__5_3_>=2))&&(cAMP__1_6_<=cAMP__3_5_)))] != FALSE
Hit Full ! (commute/partial/dont) 626/0/58
(forward)formula 1,1,2.94469,76368,1,0,11,363108,23,1,5169,389322,9
FORMULA Diffusion2D-PT-D10N010-CTLCardinality-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: EX(E((cAMP__4_5_<=cAMP__9_10_) U (cAMP__4_2_>=2)))
=> equivalent forward existential formula: [(FwdU(EY(Init),(cAMP__4_5_<=cAMP__9_10_)) * (cAMP__4_2_>=2))] != FALSE
Hit Full ! (commute/partial/dont) 658/0/26
(forward)formula 2,1,3.63148,89568,1,0,17,425904,31,2,5497,460166,14
FORMULA Diffusion2D-PT-D10N010-CTLCardinality-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: AG(E((cAMP__4_6_<=cAMP__2_4_) U (cAMP__3_4_<=cAMP__6_6_)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E((cAMP__4_6_<=cAMP__2_4_) U (cAMP__3_4_<=cAMP__6_6_))))] = FALSE
Hit Full ! (commute/partial/dont) 652/0/32
(forward)formula 3,0,3.99599,100128,1,0,21,490078,39,4,5700,517826,18
FORMULA Diffusion2D-PT-D10N010-CTLCardinality-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

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

original formula: AG(EX(!((cAMP__7_5_<=cAMP__1_2_))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(EX(!((cAMP__7_5_<=cAMP__1_2_)))))] = FALSE
(forward)formula 4,0,4.45852,113160,1,0,24,570458,41,6,5722,603415,20
FORMULA Diffusion2D-PT-D10N010-CTLCardinality-04 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

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

original formula: (((cAMP__2_4_<=cAMP__7_6_) * (AG((cAMP__6_2_>=3)) + !((cAMP__9_9_>=3)))) * (((((cAMP__10_7_>=1)||(cAMP__1_2_<=cAMP__7_6_))&&(cAMP__4_4_>=1)) * EG((cAMP__7_6_<=cAMP__4_3_))) + E((cAMP__6_5_<=cAMP__9_5_) U (cAMP__4_3_>=3))))
=> equivalent forward existential formula: (([(Init * !((cAMP__2_4_<=cAMP__7_6_)))] = FALSE * [(FwdU((Init * !(!((cAMP__9_9_>=3)))),TRUE) * !((cAMP__6_2_>=3)))] = FALSE) * ([((Init * !(E((cAMP__6_5_<=cAMP__9_5_) U (cAMP__4_3_>=3)))) * !((((cAMP__10_7_>=1)||(cAMP__1_2_<=cAMP__7_6_))&&(cAMP__4_4_>=1))))] = FALSE * [((Init * !(E((cAMP__6_5_<=cAMP__9_5_) U (cAMP__4_3_>=3)))) * !(EG((cAMP__7_6_<=cAMP__4_3_))))] = FALSE))
Hit Full ! (commute/partial/dont) 652/0/32
(forward)formula 5,1,5.3642,137976,1,0,37,716164,65,11,5954,741816,32
FORMULA Diffusion2D-PT-D10N010-CTLCardinality-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: EF(((cAMP__9_2_<=cAMP__5_10_) * EG((cAMP__9_2_>=2))))
=> equivalent forward existential formula: [FwdG((FwdU(Init,TRUE) * (cAMP__9_2_<=cAMP__5_10_)),(cAMP__9_2_>=2))] != FALSE
Hit Full ! (commute/partial/dont) 668/0/16
(forward)formula 6,1,5.75668,145632,1,0,40,754680,74,13,6157,799156,37
FORMULA Diffusion2D-PT-D10N010-CTLCardinality-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: E(!(((cAMP__3_6_>=3)&&(cAMP__7_5_>=3))) U (cAMP__9_9_>=2))
=> equivalent forward existential formula: [(FwdU(Init,!(((cAMP__3_6_>=3)&&(cAMP__7_5_>=3)))) * (cAMP__9_9_>=2))] != FALSE
Hit Full ! (commute/partial/dont) 652/0/32
(forward)formula 7,1,6.32719,153816,1,0,45,789926,83,14,6300,839201,41
FORMULA Diffusion2D-PT-D10N010-CTLCardinality-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: A(!(((cAMP__4_8_<=cAMP__4_1_)||(cAMP__3_7_>=1))) U AG((cAMP__1_10_<=cAMP__6_5_)))
=> equivalent forward existential formula: [((Init * !(EG(!(!(E(TRUE U !((cAMP__1_10_<=cAMP__6_5_)))))))) * !(E(!(!(E(TRUE U !((cAMP__1_10_<=cAMP__6_5_))))) U (!(!(((cAMP__4_8_<=cAMP__4_1_)||(cAMP__3_7_>=1)))) * !(!(E(TRUE U !((cAMP__1_10_<=cAMP__6_5_)))))))))] != FALSE
(forward)formula 8,0,6.44646,156720,1,0,47,802608,86,15,6344,850036,47
FORMULA Diffusion2D-PT-D10N010-CTLCardinality-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

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

original formula: !(AG(((!(cAMP__1_9_>=1))&&(!(cAMP__5_2_>=3)))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(((!(cAMP__1_9_>=1))&&(!(cAMP__5_2_>=3)))))] != FALSE
(forward)formula 9,1,6.45353,156984,1,0,50,804051,88,17,6349,852240,48
FORMULA Diffusion2D-PT-D10N010-CTLCardinality-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: E((((cAMP__10_3_<=cAMP__10_8_)||(cAMP__1_7_>=1))&&((cAMP__9_9_<=cAMP__5_8_)&&(cAMP__4_7_<=cAMP__3_5_))) U AG((cAMP__10_4_<=cAMP__6_6_)))
=> equivalent forward existential formula: [(FwdU(Init,(((cAMP__10_3_<=cAMP__10_8_)||(cAMP__1_7_>=1))&&((cAMP__9_9_<=cAMP__5_8_)&&(cAMP__4_7_<=cAMP__3_5_)))) * !(E(TRUE U !((cAMP__10_4_<=cAMP__6_6_)))))] != FALSE
(forward)formula 10,0,6.49471,157512,1,0,51,808529,90,17,6372,855136,51
FORMULA Diffusion2D-PT-D10N010-CTLCardinality-10 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

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

original formula: (EF((((cAMP__6_8_>=2)||(cAMP__6_3_<=cAMP__9_1_))&&((cAMP__5_2_>=3)&&(cAMP__5_9_<=cAMP__7_2_)))) + EX((cAMP__5_2_>=1)))
=> equivalent forward existential formula: ([(FwdU(Init,TRUE) * (((cAMP__6_8_>=2)||(cAMP__6_3_<=cAMP__9_1_))&&((cAMP__5_2_>=3)&&(cAMP__5_9_<=cAMP__7_2_))))] != FALSE + [(EY(Init) * (cAMP__5_2_>=1))] != FALSE)
(forward)formula 11,1,6.51019,158040,1,0,53,810537,91,18,6406,857460,52
FORMULA Diffusion2D-PT-D10N010-CTLCardinality-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: A(((!(cAMP__6_2_<=cAMP__2_6_))&&((cAMP__4_6_<=cAMP__9_9_)||(cAMP__7_5_<=cAMP__1_5_))) U EF((cAMP__6_2_>=3)))
=> equivalent forward existential formula: [((Init * !(EG(!(E(TRUE U (cAMP__6_2_>=3)))))) * !(E(!(E(TRUE U (cAMP__6_2_>=3))) U (!(((!(cAMP__6_2_<=cAMP__2_6_))&&((cAMP__4_6_<=cAMP__9_9_)||(cAMP__7_5_<=cAMP__1_5_)))) * !(E(TRUE U (cAMP__6_2_>=3)))))))] != FALSE
(forward)formula 12,1,6.59818,160152,1,0,53,819869,98,19,6418,863505,54
FORMULA Diffusion2D-PT-D10N010-CTLCardinality-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: EX(!(EF((cAMP__8_1_>=2))))
=> equivalent forward existential formula: [(EY(Init) * !(E(TRUE U (cAMP__8_1_>=2))))] != FALSE
(forward)formula 13,0,6.6155,160152,1,0,54,820913,99,19,6419,863643,57
FORMULA Diffusion2D-PT-D10N010-CTLCardinality-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

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

original formula: E((cAMP__2_10_<=cAMP__3_8_) U (((cAMP__3_6_>=2)||(cAMP__10_7_>=3))&&((cAMP__4_10_<=cAMP__10_6_)&&(cAMP__3_4_<=cAMP__9_2_))))
=> equivalent forward existential formula: [(FwdU(Init,(cAMP__2_10_<=cAMP__3_8_)) * (((cAMP__3_6_>=2)||(cAMP__10_7_>=3))&&((cAMP__4_10_<=cAMP__10_6_)&&(cAMP__3_4_<=cAMP__9_2_))))] != FALSE
Hit Full ! (commute/partial/dont) 658/0/26
(forward)formula 14,1,7.31753,171768,1,0,59,880446,107,20,6594,931806,61
FORMULA Diffusion2D-PT-D10N010-CTLCardinality-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: !(E((cAMP__5_7_<=cAMP__2_3_) U ((cAMP__2_3_>=3)&&(cAMP__7_2_<=cAMP__6_4_))))
=> equivalent forward existential formula: [(FwdU(Init,(cAMP__5_7_<=cAMP__2_3_)) * ((cAMP__2_3_>=3)&&(cAMP__7_2_<=cAMP__6_4_)))] = FALSE
Hit Full ! (commute/partial/dont) 652/0/32
(forward)formula 15,0,8.95044,212268,1,0,64,1.08725e+06,115,21,6813,1.18079e+06,65
FORMULA Diffusion2D-PT-D10N010-CTLCardinality-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

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


BK_STOP 1527262090527

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution CTLCardinality -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -louvain -smt
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -consoleLog -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/ -louvain -smt -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss8m -Xms40m -Xmx8192m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6
May 25, 2018 3:28:00 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/, -louvain, -smt]
May 25, 2018 3:28:00 PM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
May 25, 2018 3:28:00 PM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 89 ms
May 25, 2018 3:28:00 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 100 places.
May 25, 2018 3:28:00 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 684 transitions.
May 25, 2018 3:28:00 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 23 ms
May 25, 2018 3:28:01 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 134 ms
May 25, 2018 3:28:01 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/CTLCardinality.pnml.gal : 7 ms
May 25, 2018 3:28:01 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="Diffusion2D-PT-D10N010"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="itstoolsl"
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

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D10N010.tgz
mv Diffusion2D-PT-D10N010 execution
cd execution
pwd
ls -lh

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-3637"
echo " Executing tool itstoolsl"
echo " Input is Diffusion2D-PT-D10N010, 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 r081-blw3-152649948400171"
echo "====================================================================="
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 ;