Execution Chart

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

Trace from the execution

Formatting '/local/x2003239/mcc2020-input.r193-csrt-159033388900547.qcow2', fmt=qcow2 size=4294967296 backing_file=/local/x2003239/mcc2020-input.qcow2 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is TriangularGrid-PT-2011, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r193-csrt-159033388900547
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 216K
-rw-r--r-- 1 mcc users 4.0K Apr 27 14:36 CTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Apr 27 14:36 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Apr 27 14:36 CTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 27 14:36 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Apr 27 14:36 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.0K Apr 27 14:36 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Apr 27 14:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 28 14:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 27 14:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Apr 28 14:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Apr 27 14:36 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 17K Apr 27 14:36 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Apr 27 14:36 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 27 14:36 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 27 14:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 27 14:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Apr 27 14:36 equiv_col
-rw-r--r-- 1 mcc users 5 Apr 27 14:36 instance
-rw-r--r-- 1 mcc users 6 Apr 27 14:36 iscolored
-rwxr-xr-x 1 mcc users 33K Apr 27 14:36 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 TriangularGrid-PT-2011-CTLCardinality-00
FORMULA_NAME TriangularGrid-PT-2011-CTLCardinality-01
FORMULA_NAME TriangularGrid-PT-2011-CTLCardinality-02
FORMULA_NAME TriangularGrid-PT-2011-CTLCardinality-03
FORMULA_NAME TriangularGrid-PT-2011-CTLCardinality-04
FORMULA_NAME TriangularGrid-PT-2011-CTLCardinality-05
FORMULA_NAME TriangularGrid-PT-2011-CTLCardinality-06
FORMULA_NAME TriangularGrid-PT-2011-CTLCardinality-07
FORMULA_NAME TriangularGrid-PT-2011-CTLCardinality-08
FORMULA_NAME TriangularGrid-PT-2011-CTLCardinality-09
FORMULA_NAME TriangularGrid-PT-2011-CTLCardinality-10
FORMULA_NAME TriangularGrid-PT-2011-CTLCardinality-11
FORMULA_NAME TriangularGrid-PT-2011-CTLCardinality-12
FORMULA_NAME TriangularGrid-PT-2011-CTLCardinality-13
FORMULA_NAME TriangularGrid-PT-2011-CTLCardinality-14
FORMULA_NAME TriangularGrid-PT-2011-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1590534594402

[2020-05-26 23:09:56] [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, -timeout, 3600]
[2020-05-26 23:09:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-05-26 23:09:57] [INFO ] Load time of PNML (sax parser for PT used): 40 ms
[2020-05-26 23:09:57] [INFO ] Transformed 52 places.
[2020-05-26 23:09:57] [INFO ] Transformed 42 transitions.
[2020-05-26 23:09:57] [INFO ] Parsed PT model containing 52 places and 42 transitions in 87 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 18 ms.
Incomplete random walk after 100000 steps, including 132 resets, run finished after 298 ms. (steps per millisecond=335 ) properties seen :[0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0]
// Phase 1: matrix 42 rows 52 cols
[2020-05-26 23:09:57] [INFO ] Computed 23 place invariants in 6 ms
[2020-05-26 23:09:57] [INFO ] [Real]Absence check using 22 positive place invariants in 38 ms returned unsat
[2020-05-26 23:09:57] [INFO ] [Real]Absence check using 22 positive place invariants in 12 ms returned unsat
[2020-05-26 23:09:57] [INFO ] [Real]Absence check using 22 positive place invariants in 10 ms returned unsat
[2020-05-26 23:09:57] [INFO ] [Real]Absence check using 22 positive place invariants in 12 ms returned unsat
[2020-05-26 23:09:57] [INFO ] [Real]Absence check using 22 positive place invariants in 21 ms returned unsat
[2020-05-26 23:09:57] [INFO ] [Real]Absence check using 22 positive place invariants in 8 ms returned unsat
[2020-05-26 23:09:57] [INFO ] [Real]Absence check using 22 positive place invariants in 4 ms returned unsat
[2020-05-26 23:09:57] [INFO ] [Real]Absence check using 22 positive place invariants in 8 ms returned unsat
[2020-05-26 23:09:57] [INFO ] [Real]Absence check using 22 positive place invariants in 7 ms returned unsat
[2020-05-26 23:09:57] [INFO ] [Real]Absence check using 22 positive place invariants in 4 ms returned unsat
[2020-05-26 23:09:57] [INFO ] [Real]Absence check using 22 positive place invariants in 5 ms returned unsat
[2020-05-26 23:09:57] [INFO ] [Real]Absence check using 22 positive place invariants in 9 ms returned unsat
[2020-05-26 23:09:57] [INFO ] [Real]Absence check using 22 positive place invariants in 6 ms returned unsat
[2020-05-26 23:09:57] [INFO ] [Real]Absence check using 22 positive place invariants in 4 ms returned unsat
Successfully simplified 14 atomic propositions for a total of 15 simplifications.
[2020-05-26 23:09:58] [INFO ] Initial state reduction rules for CTL removed 7 formulas.
[2020-05-26 23:09:58] [INFO ] Flatten gal took : 41 ms
[2020-05-26 23:09:58] [INFO ] Initial state reduction rules for CTL removed 7 formulas.
[2020-05-26 23:09:58] [INFO ] Flatten gal took : 11 ms
FORMULA TriangularGrid-PT-2011-CTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TriangularGrid-PT-2011-CTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TriangularGrid-PT-2011-CTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TriangularGrid-PT-2011-CTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TriangularGrid-PT-2011-CTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TriangularGrid-PT-2011-CTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TriangularGrid-PT-2011-CTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2020-05-26 23:09:58] [INFO ] Applying decomposition
[2020-05-26 23:09:58] [INFO ] Flatten gal took : 9 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/graph15075160079646262349.txt, -o, /tmp/graph15075160079646262349.bin, -w, /tmp/graph15075160079646262349.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/graph15075160079646262349.bin, -l, -1, -v, -w, /tmp/graph15075160079646262349.weights, -q, 0, -e, 0.001], workingDir=null]
[2020-05-26 23:09:58] [INFO ] Decomposing Gal with order
[2020-05-26 23:09:58] [INFO ] Rewriting arrays to variables to allow decomposition.
[2020-05-26 23:09:58] [INFO ] Removed a total of 24 redundant transitions.
[2020-05-26 23:09:58] [INFO ] Flatten gal took : 42 ms
[2020-05-26 23:09:58] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 4 ms.
[2020-05-26 23:09:58] [INFO ] Time to serialize gal into /home/mcc/execution/CTLCardinality.pnml.gal : 4 ms
[2020-05-26 23:09:58] [INFO ] Time to serialize properties into /home/mcc/execution/CTLCardinality.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/CTLCardinality.pnml.gal, -t, CGAL, -ctl, /home/mcc/execution/CTLCardinality.ctl, --gen-order, FOLLOW], 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/CTLCardinality.pnml.gal -t CGAL -ctl /home/mcc/execution/CTLCardinality.ctl --gen-order FOLLOW
No direction supplied, using forward translation only.
Parsed 9 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,9.40096e+08,0.192363,10080,2,1312,5,31527,6,0,257,37337,0


Converting to forward existential form...Done !
original formula: (AX(FALSE) + EG(((gu15.po3_2_3<=gu15.pb3_1_1)||(gi2.gu3.pb2_1_1<=gi2.gu3.pi1_1_1))))
=> equivalent forward existential formula: [(EY((Init * !(EG(((gu15.po3_2_3<=gu15.pb3_1_1)||(gi2.gu3.pb2_1_1<=gi2.gu3.pi1_1_1)))))) * !(FALSE))] = FALSE
Reverse transition relation is NOT exact ! Due to transitions to1_2_3, to2_2_1, to3_1_1, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/total) :0/37/3/40
(forward)formula 0,1,578.569,7561360,1,0,381,3.252e+07,11,189,883,6.57594e+07,43
FORMULA TriangularGrid-PT-2011-CTLCardinality-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: AF(((AF((gu5.pil2_2_3<=gu5.pb3_2_2)) * (gu4.pb2_2_1>=2)) * (gu4.pi2_2_3<=gu4.po2_2_1)))
=> equivalent forward existential formula: [FwdG(Init,!(((!(EG(!((gu5.pil2_2_3<=gu5.pb3_2_2)))) * (gu4.pb2_2_1>=2)) * (gu4.pi2_2_3<=gu4.po2_2_1))))] = FALSE
(forward)formula 1,0,608.183,7561360,1,0,798,3.252e+07,24,444,985,6.57594e+07,874
FORMULA TriangularGrid-PT-2011-CTLCardinality-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

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

original formula: AF(((gi6.gu13.po2_2_3>=1)&&(gi6.gu2.pb2_2_3>=1)))
=> equivalent forward existential formula: [FwdG(Init,!(((gi6.gu13.po2_2_3>=1)&&(gi6.gu2.pb2_2_3>=1))))] = FALSE
Hit Full ! (commute/partial/dont) 36/0/4
(forward)formula 2,0,608.429,7561360,1,0,800,3.252e+07,32,447,1047,6.57594e+07,878
FORMULA TriangularGrid-PT-2011-CTLCardinality-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

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

original formula: EG(EX((gi2.gu3.pbl_1_1<2)))
=> equivalent forward existential formula: [FwdG(Init,EX((gi2.gu3.pbl_1_1<2)))] != FALSE
(forward)formula 3,1,618.759,7561360,1,0,942,3.252e+07,36,585,1048,6.57594e+07,1020
FORMULA TriangularGrid-PT-2011-CTLCardinality-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: EX(EG(((gi6.gu13.po2_2_3>=3)||(gi7.gu12.po2_1_1<=gi7.gu12.pol2_2_1))))
=> equivalent forward existential formula: [FwdG(EY(Init),((gi6.gu13.po2_2_3>=3)||(gi7.gu12.po2_1_1<=gi7.gu12.pol2_2_1)))] != FALSE
Hit Full ! (commute/partial/dont) 33/0/7
(forward)formula 4,1,619.715,7561360,1,0,945,3.252e+07,43,588,1105,6.57594e+07,1024
FORMULA TriangularGrid-PT-2011-CTLCardinality-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: !(EG((((gi6.gu2.pb2_2_3>=1)||(gu15.po3_2_3<=gu15.pol3_2_1))||(gi5.gu6.pbl_2_1>=2))))
=> equivalent forward existential formula: [FwdG(Init,(((gi6.gu2.pb2_2_3>=1)||(gu15.po3_2_3<=gu15.pol3_2_1))||(gi5.gu6.pbl_2_1>=2)))] = FALSE
Hit Full ! (commute/partial/dont) 26/0/14
(forward)formula 5,0,622.784,7561360,1,0,947,3.252e+07,50,591,1151,6.57594e+07,1028
FORMULA TriangularGrid-PT-2011-CTLCardinality-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

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

original formula: E(((gi1.gu1.pb1_2_2<=gi1.gu1.pol1_2_3)&&(gi1.gu1.pb1_2_2>=1)) U ((gi5.gu10.pi3_2_1>=2)||(gi1.gu1.pb2_2_2>=3)))
=> equivalent forward existential formula: [(FwdU(Init,((gi1.gu1.pb1_2_2<=gi1.gu1.pol1_2_3)&&(gi1.gu1.pb1_2_2>=1))) * ((gi5.gu10.pi3_2_1>=2)||(gi1.gu1.pb2_2_2>=3)))] != FALSE
Hit Full ! (commute/partial/dont) 34/0/6
(forward)formula 6,1,622.813,7561360,1,0,952,3.252e+07,58,592,1187,6.57594e+07,1032
FORMULA TriangularGrid-PT-2011-CTLCardinality-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: EG(((gi5.gu17.pol1_2_1>=1)||(gu15.pol3_2_1>=1)))
=> equivalent forward existential formula: [FwdG(Init,((gi5.gu17.pol1_2_1>=1)||(gu15.pol3_2_1>=1)))] != FALSE
Hit Full ! (commute/partial/dont) 36/0/4
(forward)formula 7,1,623.037,7561360,1,0,955,3.252e+07,65,595,1227,6.57594e+07,1036
FORMULA TriangularGrid-PT-2011-CTLCardinality-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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

original formula: E((((gu0.pi2_2_1<=gu0.pb1_1_1)&&(gi1.gu14.po3_1_1>=1))&&((gu4.po2_2_1<=gu4.pb2_2_1)||(gi1.gu14.pol3_1_1>=2))) U EG((gu5.pi1_2_1<=gu5.pb3_2_2)))
=> equivalent forward existential formula: [FwdG(FwdU(Init,(((gu0.pi2_2_1<=gu0.pb1_1_1)&&(gi1.gu14.po3_1_1>=1))&&((gu4.po2_2_1<=gu4.pb2_2_1)||(gi1.gu14.pol3_1_1>=2)))),(gu5.pi1_2_1<=gu5.pb3_2_2))] != FALSE
Hit Full ! (commute/partial/dont) 27/7/13
Hit Full ! (commute/partial/dont) 34/0/6
(forward)formula 8,1,623.309,7561360,1,0,958,3.252e+07,79,598,1306,6.57594e+07,1043
FORMULA TriangularGrid-PT-2011-CTLCardinality-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

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


BK_STOP 1590535224046

--------------------
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 -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 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 -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="TriangularGrid-PT-2011"
export BK_EXAMINATION="CTLCardinality"
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 TriangularGrid-PT-2011, 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 r193-csrt-159033388900547"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/TriangularGrid-PT-2011.tgz
mv TriangularGrid-PT-2011 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "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
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;