fond
Model Checking Contest 2018
8th edition, Bratislava, Slovakia, June 26, 2018
Execution of r179-smll-152708748800103
Last Updated
June 26, 2018

About the Execution of M4M.struct for SharedMemory-PT-000005

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
684.220 15040.00 27248.00 1040.60 TFTTFFFFTFFFFTFF normal

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 376K
-rw-r--r-- 1 mcc users 8.1K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 30K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 12K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K 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 6.1K May 15 18:50 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 5.7K May 15 18:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 19K May 15 18:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K May 15 18:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 12K May 15 18:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.8K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 29K 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 14K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 46K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.0K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.4K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 15 18:50 equiv_col
-rw-r--r-- 1 mcc users 7 May 15 18:50 instance
-rw-r--r-- 1 mcc users 6 May 15 18:50 iscolored
-rw-r--r-- 1 mcc users 82K May 15 18:50 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool mcc4mcc-structural
Input is SharedMemory-PT-000005, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r179-smll-152708748800103
=====================================================================


--------------------
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 SharedMemory-PT-000005-ReachabilityCardinality-00
FORMULA_NAME SharedMemory-PT-000005-ReachabilityCardinality-01
FORMULA_NAME SharedMemory-PT-000005-ReachabilityCardinality-02
FORMULA_NAME SharedMemory-PT-000005-ReachabilityCardinality-03
FORMULA_NAME SharedMemory-PT-000005-ReachabilityCardinality-04
FORMULA_NAME SharedMemory-PT-000005-ReachabilityCardinality-05
FORMULA_NAME SharedMemory-PT-000005-ReachabilityCardinality-06
FORMULA_NAME SharedMemory-PT-000005-ReachabilityCardinality-07
FORMULA_NAME SharedMemory-PT-000005-ReachabilityCardinality-08
FORMULA_NAME SharedMemory-PT-000005-ReachabilityCardinality-09
FORMULA_NAME SharedMemory-PT-000005-ReachabilityCardinality-10
FORMULA_NAME SharedMemory-PT-000005-ReachabilityCardinality-11
FORMULA_NAME SharedMemory-PT-000005-ReachabilityCardinality-12
FORMULA_NAME SharedMemory-PT-000005-ReachabilityCardinality-13
FORMULA_NAME SharedMemory-PT-000005-ReachabilityCardinality-14
FORMULA_NAME SharedMemory-PT-000005-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1527199354465


BK_STOP 1527199369505

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

Prefix is 75f5f979.
Reading known information in /usr/share/mcc4mcc/75f5f979-known.json.
Reading learned information in /usr/share/mcc4mcc/75f5f979-learned.json.
Reading value translations in /usr/share/mcc4mcc/75f5f979-values.json.
Using directory /home/mcc/execution for input, as it contains a model.pnml file.
Using SharedMemory-PT-000005 as instance name.
Using SharedMemory as model name.
Using algorithm or tool bmdt.
Model characteristics are: {'Examination': 'ReachabilityCardinality', 'Place/Transition': True, 'Colored': True, 'Relative-Time': 1, 'Relative-Memory': 1, 'Ordinary': True, 'Simple Free Choice': False, 'Extended Free Choice': False, 'State Machine': False, 'Marked Graph': False, 'Connected': True, 'Strongly Connected': True, 'Source Place': False, 'Sink Place': False, 'Source Transition': False, 'Sink Transition': False, 'Loop Free': False, 'Conservative': False, 'Sub-Conservative': False, 'Nested Units': False, 'Safe': True, 'Deadlock': None, 'Reversible': None, 'Quasi Live': None, 'Live': None}.
Known tools are: [{'Time': 89, 'Memory': 100.62, 'Tool': 'gspn'}, {'Time': 236, 'Memory': 110.94, 'Tool': 'lola'}, {'Time': 365, 'Memory': 111.12, 'Tool': 'lola'}, {'Time': 1894, 'Memory': 162.97, 'Tool': 'gspn'}, {'Time': 2684, 'Memory': 234.95, 'Tool': 'itstools'}, {'Time': 3439, 'Memory': 282.1, 'Tool': 'itstools'}, {'Time': 69337, 'Memory': 2206.74, 'Tool': 'marcie'}, {'Time': 71186, 'Memory': 2207.45, 'Tool': 'marcie'}].
Learned tools are: [{'Tool': 'itstools'}].
Learned tool itstools is 30.15730337078652x far from the best tool gspn.
ReachabilityCardinality itstools SharedMemory-PT-000005...
May 24, 2018 10:02:45 PM fr.lip6.move.gal.application.Application start
INFO: Running its-tools with arguments : [-z3path, /usr/bin/z3, -yices2path, /usr/bin/yices, -ltsminpath, /usr/bin, -smt, -its, -pnfolder, /mcc-data, -examination, ReachabilityCardinality]
May 24, 2018 10:02:45 PM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /mcc-data/model.pnml
May 24, 2018 10:02:46 PM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 85 ms
May 24, 2018 10:02:46 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 41 places.
May 24, 2018 10:02:46 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 55 transitions.
May 24, 2018 10:02:46 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /mcc-data/model.pnml.img.gal : 17 ms
May 24, 2018 10:02:46 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Reachable property SharedMemory-PT-000005-ReachabilityCardinality-00 is trivially true : it is verified in initial state.
May 24, 2018 10:02:46 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SharedMemory-PT-000005-ReachabilityCardinality-01 is trivially false : it is not verified in initial state.
May 24, 2018 10:02:46 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Reachable property SharedMemory-PT-000005-ReachabilityCardinality-02 is trivially true : it is verified in initial state.
May 24, 2018 10:02:46 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Reachable property SharedMemory-PT-000005-ReachabilityCardinality-03 is trivially true : it is verified in initial state.
May 24, 2018 10:02:46 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SharedMemory-PT-000005-ReachabilityCardinality-04 is trivially false : it is not verified in initial state.
May 24, 2018 10:02:46 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SharedMemory-PT-000005-ReachabilityCardinality-05 is trivially false : it is not verified in initial state.
May 24, 2018 10:02:46 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SharedMemory-PT-000005-ReachabilityCardinality-06 is trivially false : it is not verified in initial state.
May 24, 2018 10:02:46 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SharedMemory-PT-000005-ReachabilityCardinality-07 is trivially false : it is not verified in initial state.
May 24, 2018 10:02:46 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Reachable property SharedMemory-PT-000005-ReachabilityCardinality-08 is trivially true : it is verified in initial state.
May 24, 2018 10:02:46 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SharedMemory-PT-000005-ReachabilityCardinality-09 is trivially false : it is not verified in initial state.
May 24, 2018 10:02:46 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SharedMemory-PT-000005-ReachabilityCardinality-11 is trivially false : it is not verified in initial state.
May 24, 2018 10:02:46 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Reachable property SharedMemory-PT-000005-ReachabilityCardinality-13 is trivially true : it is verified in initial state.
May 24, 2018 10:02:46 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 122 ms
FORMULA SharedMemory-PT-000005-ReachabilityCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SharedMemory-PT-000005-ReachabilityCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SharedMemory-PT-000005-ReachabilityCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SharedMemory-PT-000005-ReachabilityCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SharedMemory-PT-000005-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SharedMemory-PT-000005-ReachabilityCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SharedMemory-PT-000005-ReachabilityCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SharedMemory-PT-000005-ReachabilityCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SharedMemory-PT-000005-ReachabilityCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SharedMemory-PT-000005-ReachabilityCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SharedMemory-PT-000005-ReachabilityCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SharedMemory-PT-000005-ReachabilityCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Using solver Z3 to compute partial order matrices.
Built C files in :
/mcc-data
May 24, 2018 10:02:47 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 84 ms
May 24, 2018 10:02:47 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /mcc-data/ReachabilityCardinality.pnml.gal : 24 ms
May 24, 2018 10:02:47 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 57 ms
May 24, 2018 10:02:47 PM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSTools
INFO: Time to serialize properties into /mcc-data/ReachabilityCardinality.prop : 2 ms
Invoking ITS tools like this :CommandLine [args=[/usr/share/itscl/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201804131302/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /mcc-data/ReachabilityCardinality.pnml.gal, -t, CGAL, -reachable-file, ReachabilityCardinality.prop, --nowitness], workingDir=/mcc-data]

its-reach command run as :

/usr/share/itscl/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201804131302/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /mcc-data/ReachabilityCardinality.pnml.gal -t CGAL -reachable-file ReachabilityCardinality.prop --nowitness
Loading property file ReachabilityCardinality.prop.
Read [reachable] property : SharedMemory-PT-000005-ReachabilityCardinality-10 with value :((Memory_3>=3)&&(Ext_Mem_Acc_4_1>=2))
Read [invariant] property : SharedMemory-PT-000005-ReachabilityCardinality-12 with value :((Memory_4<=Ext_Mem_Acc_5_2)||(Ext_Mem_Acc_4_5<=OwnMemAcc_1))
Read [reachable] property : SharedMemory-PT-000005-ReachabilityCardinality-14 with value :(Memory_3>=2)
Read [reachable] property : SharedMemory-PT-000005-ReachabilityCardinality-15 with value :(OwnMemAcc_5>=3)
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SharedMemory\_PT\_000005\_flat\_flat,1863,0.031289,4652,2,593,5,1830,6,0,222,1126,0
Total reachable state count : 1863

Verifying 4 reachability properties.
Reachability property SharedMemory-PT-000005-ReachabilityCardinality-10 does not hold.
FORMULA SharedMemory-PT-000005-ReachabilityCardinality-10 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : SharedMemory-PT-000005-ReachabilityCardinality-10

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SharedMemory-PT-000005-ReachabilityCardinality-10,0,0.032048,4652,1,0,5,1830,7,0,226,1126,0
Invariant property SharedMemory-PT-000005-ReachabilityCardinality-12 does not hold.
FORMULA SharedMemory-PT-000005-ReachabilityCardinality-12 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SharedMemory-PT-000005-ReachabilityCardinality-12,18,0.03296,4736,2,99,6,1830,8,0,237,1126,0
Reachability property SharedMemory-PT-000005-ReachabilityCardinality-14 does not hold.
FORMULA SharedMemory-PT-000005-ReachabilityCardinality-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : SharedMemory-PT-000005-ReachabilityCardinality-14

May 24, 2018 10:02:47 PM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 55 transitions.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SharedMemory-PT-000005-ReachabilityCardinality-14,0,0.033437,4996,1,0,6,1830,9,0,238,1126,0
Reachability property SharedMemory-PT-000005-ReachabilityCardinality-15 does not hold.
FORMULA SharedMemory-PT-000005-ReachabilityCardinality-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : SharedMemory-PT-000005-ReachabilityCardinality-15

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SharedMemory-PT-000005-ReachabilityCardinality-15,0,0.033711,4996,1,0,6,1830,10,0,239,1126,0
May 24, 2018 10:02:47 PM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 55 transitions.
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 55 rows 41 cols
invariant :Ext_Mem_Acc_2_1 + Ext_Mem_Acc_3_1 + Ext_Mem_Acc_4_1 + Ext_Mem_Acc_5_1 + Memory_1 = 1
invariant :-1'Ext_Mem_Acc_3_1 + -1'Ext_Mem_Acc_4_1 + -1'Ext_Mem_Acc_5_1 + Ext_Mem_Acc_2_3 + Ext_Mem_Acc_2_4 + Ext_Mem_Acc_2_5 + -1'Memory_1 + Active_2 + Queue_2 + OwnMemAcc_2 = 0
invariant :-1'Ext_Mem_Acc_3_2 + -1'Ext_Mem_Acc_4_2 + -1'Ext_Mem_Acc_5_2 + -1'Ext_Mem_Acc_2_3 + -1'Ext_Mem_Acc_4_3 + -1'Ext_Mem_Acc_5_3 + -1'Ext_Mem_Acc_3_4 + -1'Ext_Mem_Acc_2_4 + -1'Ext_Mem_Acc_5_4 + -1'Ext_Mem_Acc_3_5 + -1'Ext_Mem_Acc_2_5 + -1'Ext_Mem_Acc_4_5 + -1'Memory_2 + -1'Memory_4 + -1'Memory_3 + Active_1 + -1'Memory_5 + Queue_1 + OwnMemAcc_1 = -3
invariant :Ext_Mem_Acc_5_1 + Ext_Mem_Acc_5_2 + Ext_Mem_Acc_5_3 + Ext_Mem_Acc_5_4 + Active_5 + Queue_5 + OwnMemAcc_5 = 1
invariant :Ext_Mem_Acc_1_5 + Ext_Mem_Acc_3_5 + Ext_Mem_Acc_2_5 + Ext_Mem_Acc_4_5 + Memory_5 = 1
invariant :Ext_Mem_Acc_1_3 + Ext_Mem_Acc_2_3 + Ext_Mem_Acc_4_3 + Ext_Mem_Acc_5_3 + Memory_3 = 1
invariant :Ext_Mem_Acc_1_2 + Ext_Mem_Acc_3_2 + Ext_Mem_Acc_4_2 + Ext_Mem_Acc_5_2 + Memory_2 = 1
invariant :Ext_Mem_Acc_1_4 + Ext_Mem_Acc_3_4 + Ext_Mem_Acc_2_4 + Ext_Mem_Acc_5_4 + Memory_4 = 1
invariant :Ext_Bus + -1'Memory_2 + -1'Memory_1 + -1'Memory_4 + -1'Memory_3 + -1'Memory_5 = -4
invariant :Ext_Mem_Acc_4_1 + Ext_Mem_Acc_4_2 + Ext_Mem_Acc_4_3 + Ext_Mem_Acc_4_5 + Active_4 + Queue_4 + OwnMemAcc_4 = 1
invariant :Ext_Mem_Acc_3_1 + Ext_Mem_Acc_3_2 + Ext_Mem_Acc_3_4 + Ext_Mem_Acc_3_5 + Active_3 + Queue_3 + OwnMemAcc_3 = 1

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="SharedMemory-PT-000005"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="mcc4mcc-structural"
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/SharedMemory-PT-000005.tgz
mv SharedMemory-PT-000005 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 mcc4mcc-structural"
echo " Input is SharedMemory-PT-000005, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r179-smll-152708748800103"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.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 ;