Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2020-input.r210-tajo-159033475400236.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2020-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 ShieldIIPt-PT-002A, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r210-tajo-159033475400236
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 172K
-rw-r--r-- 1 mcc users 3.0K May 14 00:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 16K May 14 00:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 13 18:07 CTLFireability.txt
-rw-r--r-- 1 mcc users 14K May 13 18:07 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.1K May 14 10:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 14 10:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 14 10:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 14 10:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 12 20:42 NewModel
-rw-r--r-- 1 mcc users 3.1K May 13 13:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 16K May 13 13:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.8K May 13 07:59 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 19K May 13 07:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 13 16:53 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 13 16:53 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 12 20:42 equiv_col
-rw-r--r-- 1 mcc users 5 May 12 20:42 instance
-rw-r--r-- 1 mcc users 6 May 12 20:42 iscolored
-rw-r--r-- 1 mcc users 12K May 12 20:42 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 ShieldIIPt-PT-002A-CTLFireability-00
FORMULA_NAME ShieldIIPt-PT-002A-CTLFireability-01
FORMULA_NAME ShieldIIPt-PT-002A-CTLFireability-02
FORMULA_NAME ShieldIIPt-PT-002A-CTLFireability-03
FORMULA_NAME ShieldIIPt-PT-002A-CTLFireability-04
FORMULA_NAME ShieldIIPt-PT-002A-CTLFireability-05
FORMULA_NAME ShieldIIPt-PT-002A-CTLFireability-06
FORMULA_NAME ShieldIIPt-PT-002A-CTLFireability-07
FORMULA_NAME ShieldIIPt-PT-002A-CTLFireability-08
FORMULA_NAME ShieldIIPt-PT-002A-CTLFireability-09
FORMULA_NAME ShieldIIPt-PT-002A-CTLFireability-10
FORMULA_NAME ShieldIIPt-PT-002A-CTLFireability-11
FORMULA_NAME ShieldIIPt-PT-002A-CTLFireability-12
FORMULA_NAME ShieldIIPt-PT-002A-CTLFireability-13
FORMULA_NAME ShieldIIPt-PT-002A-CTLFireability-14
FORMULA_NAME ShieldIIPt-PT-002A-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1590578660048

[2020-05-27 11:24:21] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -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, -timeout, 3600]
[2020-05-27 11:24:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-05-27 11:24:21] [INFO ] Load time of PNML (sax parser for PT used): 27 ms
[2020-05-27 11:24:21] [INFO ] Transformed 41 places.
[2020-05-27 11:24:21] [INFO ] Transformed 31 transitions.
[2020-05-27 11:24:21] [INFO ] Found NUPN structural information;
[2020-05-27 11:24:21] [INFO ] Parsed PT model containing 41 places and 31 transitions in 65 ms.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 15 ms.
Finished random walk after 3284 steps, including 0 resets, run visited all 28 properties in 18 ms. (steps per millisecond=182 )
[2020-05-27 11:24:21] [INFO ] Initial state reduction rules for CTL removed 3 formulas.
[2020-05-27 11:24:21] [INFO ] Flatten gal took : 27 ms
[2020-05-27 11:24:21] [INFO ] Initial state reduction rules for CTL removed 3 formulas.
[2020-05-27 11:24:21] [INFO ] Flatten gal took : 8 ms
FORMULA ShieldIIPt-PT-002A-CTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPt-PT-002A-CTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPt-PT-002A-CTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2020-05-27 11:24:21] [INFO ] Applying decomposition
[2020-05-27 11:24:21] [INFO ] Flatten gal took : 10 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202005100927/bin/convert-linux64, -i, /tmp/graph15148309430916519236.txt, -o, /tmp/graph15148309430916519236.bin, -w, /tmp/graph15148309430916519236.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202005100927/bin/louvain-linux64, /tmp/graph15148309430916519236.bin, -l, -1, -v, -w, /tmp/graph15148309430916519236.weights, -q, 0, -e, 0.001], workingDir=null]
[2020-05-27 11:24:22] [INFO ] Decomposing Gal with order
[2020-05-27 11:24:22] [INFO ] Rewriting arrays to variables to allow decomposition.
[2020-05-27 11:24:22] [INFO ] Removed a total of 6 redundant transitions.
[2020-05-27 11:24:22] [INFO ] Flatten gal took : 27 ms
[2020-05-27 11:24:22] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2020-05-27 11:24:22] [INFO ] Time to serialize gal into /home/mcc/execution/CTLFireability.pnml.gal : 2 ms
[2020-05-27 11:24:22] [INFO ] Time to serialize properties into /home/mcc/execution/CTLFireability.ctl : 1 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/CTLFireability.pnml.gal, -t, CGAL, -ctl, /home/mcc/execution/CTLFireability.ctl], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/CTLFireability.pnml.gal -t CGAL -ctl /home/mcc/execution/CTLFireability.ctl
No direction supplied, using forward translation only.
Parsed 13 CTL formulae.
built 9 ordering constraints for composite.
built 7 ordering constraints for composite.
built 9 ordering constraints for composite.
built 7 ordering constraints for composite.
built 7 ordering constraints for composite.
built 6 ordering constraints for composite.
built 7 ordering constraints for composite.
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,819201,0.018095,4624,36,15,840,84,102,1401,30,228,0


Converting to forward existential form...Done !
original formula: EF(AG(EX(((i3.u9.p23==1)&&(i3.u14.p36==1)))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U !(EX(((i3.u9.p23==1)&&(i3.u14.p36==1)))))))] != FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.021396,5064,1,0,840,103,370,1401,113,228,654
FORMULA ShieldIIPt-PT-002A-CTLFireability-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

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

original formula: E(EF(((i4.u13.p33==1)||((i2.u0.p2==1)&&(i2.u3.p10==1)))) U (((i1.u5.p14!=1)&&(i5.u4.p0==1)) * AG(((i2.u0.p2==1)&&(i2.u3.p10==1)))))
=> equivalent forward existential formula: [((FwdU(Init,E(TRUE U ((i4.u13.p33==1)||((i2.u0.p2==1)&&(i2.u3.p10==1))))) * ((i1.u5.p14!=1)&&(i5.u4.p0==1))) * !(E(TRUE U !(((i2.u0.p2==1)&&(i2.u3.p10==1))))))] != FALSE
(forward)formula 1,0,0.021818,5064,1,0,840,103,380,1401,114,228,686
FORMULA ShieldIIPt-PT-002A-CTLFireability-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

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

original formula: EF(AX(((i1.u2.p6==1)&&(i1.u5.p15==1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(EX(!(((i1.u2.p6==1)&&(i1.u5.p15==1))))))] != FALSE
(forward)formula 2,0,0.022644,5064,1,0,840,112,386,1401,114,228,806
FORMULA ShieldIIPt-PT-002A-CTLFireability-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

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

original formula: E(AF((i3.u16.p39==1)) U AG(((i3.u9.p23==1)&&(i3.u14.p36==1))))
=> equivalent forward existential formula: [(FwdU(Init,!(EG(!((i3.u16.p39==1))))) * !(E(TRUE U !(((i3.u9.p23==1)&&(i3.u14.p36==1))))))] != FALSE
(forward)formula 3,0,0.023061,5064,1,0,840,112,387,1401,114,228,828
FORMULA ShieldIIPt-PT-002A-CTLFireability-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

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

original formula: AG(!(AG(((i3.u9.p23==1)&&(i3.u14.p36==1)))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U !(((i3.u9.p23==1)&&(i3.u14.p36==1))))))] = FALSE
(forward)formula 4,1,0.023332,5064,1,0,840,112,387,1401,114,228,828
FORMULA ShieldIIPt-PT-002A-CTLFireability-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: (AG(EF((i3.u16.p39!=1))) * EF((AG(((i4.u10.p24==1)&&(i3.u14.p35==1))) * EX(((i4.u10.p24==1)&&(i3.u14.p35==1))))))
=> equivalent forward existential formula: ([(FwdU(Init,TRUE) * !(E(TRUE U (i3.u16.p39!=1))))] = FALSE * [(Init * !(E(TRUE U (!(E(TRUE U !(((i4.u10.p24==1)&&(i3.u14.p35==1))))) * EX(((i4.u10.p24==1)&&(i3.u14.p35==1)))))))] = FALSE)
(forward)formula 5,0,0.024212,5064,1,0,840,113,393,1401,114,228,931
FORMULA ShieldIIPt-PT-002A-CTLFireability-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

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

original formula: AG(((((((((((i2.u0.p1!=1)||(i2.u7.p18!=1))||(i0.u1.p4!=1))||(i0.u6.p17!=1))||(i5.u12.p32!=1))||(i5.u15.p38!=1))||(i3.u16.p40!=1))||(i4.u10.p25!=1))||(i4.u13.p34!=1))||((i1.u5.p14!=1)&&(i0.u8.p20!=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(((((((((((i2.u0.p1!=1)||(i2.u7.p18!=1))||(i0.u1.p4!=1))||(i0.u6.p17!=1))||(i5.u12.p32!=1))||(i5.u15.p38!=1))||(i3.u16.p40!=1))||(i4.u10.p25!=1))||(i4.u13.p34!=1))||((i1.u5.p14!=1)&&(i0.u8.p20!=1)))))] = FALSE
(forward)formula 6,0,0.025633,5064,1,0,840,113,434,1401,116,228,1015
FORMULA ShieldIIPt-PT-002A-CTLFireability-06 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

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

original formula: (EF(((((((i4.u13.p33==1)&&(i1.u2.p5==1))&&(i0.u6.p16==1))&&(i4.u10.p24==1))&&(i3.u14.p35==1))&&((((i2.u3.p11!=1)||(i1.u5.p15!=1))||(i0.u8.p21!=1))||(i0.u8.p20==1)))) + AF(EG(((i1.u2.p7==1)&&(i1.u2.p9==1)))))
=> equivalent forward existential formula: [FwdG((Init * !(E(TRUE U ((((((i4.u13.p33==1)&&(i1.u2.p5==1))&&(i0.u6.p16==1))&&(i4.u10.p24==1))&&(i3.u14.p35==1))&&((((i2.u3.p11!=1)||(i1.u5.p15!=1))||(i0.u8.p21!=1))||(i0.u8.p20==1)))))),!(EG(((i1.u2.p7==1)&&(i1.u2.p9==1)))))] = FALSE
Fast SCC detection found an SCC at level 3
Fast SCC detection found an SCC at level 4
Fast SCC detection found an SCC at level 5
(forward)formula 7,1,0.032382,5064,1,0,1152,134,550,2409,125,356,2604
FORMULA ShieldIIPt-PT-002A-CTLFireability-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: (AF(((EX(((i4.u10.p25==1)&&(i4.u13.p34==1))) + (i2.u0.p1!=1)) + (i2.u7.p18!=1))) * AG(!(AX(((i2.u0.p2==1)&&(i2.u3.p10==1))))))
=> equivalent forward existential formula: ([FwdG(Init,!(((EX(((i4.u10.p25==1)&&(i4.u13.p34==1))) + (i2.u0.p1!=1)) + (i2.u7.p18!=1))))] = FALSE * [(FwdU(Init,TRUE) * !(EX(!(((i2.u0.p2==1)&&(i2.u3.p10==1))))))] = FALSE)
(forward)formula 8,1,0.033859,5328,1,0,1246,138,557,2553,125,362,2734
FORMULA ShieldIIPt-PT-002A-CTLFireability-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: AG((AX((i1.u5.p14==1)) + ((i2.u0.p2==1)&&(i2.u3.p10==1))))
=> equivalent forward existential formula: [(EY((FwdU(Init,TRUE) * !(((i2.u0.p2==1)&&(i2.u3.p10==1))))) * !((i1.u5.p14==1)))] = FALSE
(forward)formula 9,0,0.034914,5456,1,0,1333,139,565,2689,125,363,2892
FORMULA ShieldIIPt-PT-002A-CTLFireability-09 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

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

original formula: EF((i3.u16.p39==1))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * (i3.u16.p39==1))] != FALSE
(forward)formula 10,1,0.035153,5456,1,0,1335,139,566,2692,125,363,2899
FORMULA ShieldIIPt-PT-002A-CTLFireability-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: AX((AF((i5.u15.p37!=1)) * AF((i4.u13.p33==1))))
=> equivalent forward existential formula: ([FwdG(EY(Init),!((i5.u15.p37!=1)))] = FALSE * [FwdG(EY(Init),!((i4.u13.p33==1)))] = FALSE)
(forward)formula 11,0,0.040471,5456,1,0,1847,142,646,3706,127,416,4189
FORMULA ShieldIIPt-PT-002A-CTLFireability-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

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

original formula: AX(((((i4.u10.p26!=1)||(i4.u10.p28!=1))&&((i4.u10.p27!=1)||(i5.u15.p38!=1)))&&(i1.u5.p14!=1)))
=> equivalent forward existential formula: [(EY(Init) * !(((((i4.u10.p26!=1)||(i4.u10.p28!=1))&&((i4.u10.p27!=1)||(i5.u15.p38!=1)))&&(i1.u5.p14!=1))))] = FALSE
(forward)formula 12,1,0.041677,5980,1,0,1861,142,665,3741,131,429,4225
FORMULA ShieldIIPt-PT-002A-CTLFireability-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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


BK_STOP 1590578662354

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLFireability = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution CTLFireability -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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 CTLFireability -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 -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6

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="ShieldIIPt-PT-002A"
export BK_EXAMINATION="CTLFireability"
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 2-4028"
echo " Executing tool itstools"
echo " Input is ShieldIIPt-PT-002A, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r210-tajo-159033475400236"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPt-PT-002A.tgz
mv ShieldIIPt-PT-002A execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;