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 244K
-rw-r--r-- 1 mcc users 4.5K 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 2.4K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 12K 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 2.9K May 15 18:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 13K May 15 18:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 15 18:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 9.1K May 15 18:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 19K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 108 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 346 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 2.8K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 12K 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 5 May 15 18:50 equiv_pt
-rw-r--r-- 1 mcc users 2 May 15 18:50 instance
-rw-r--r-- 1 mcc users 5 May 15 18:50 iscolored
-rw-r--r-- 1 mcc users 75K May 15 18:50 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool itstools
Input is NeoElection-COL-3, examination is ReachabilityDeadlock
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r116-csrt-152666475100251
=====================================================================

--------------------
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 NeoElection-COL-3-ReachabilityDeadlock-0

=== Now, execution of the tool begins

BK_START 1527171905590

14:25:08.007 [main] ERROR PNML validation - The rng grammar file can't be accessed : www.pnml.org
14:25:08.010 [main] ERROR import - Grammar file errors have been raised, the validation can't be done, process will continue without Grammar validation
Flatten gal took : 694 ms
Constant places removed 716 places and 598 transitions.
Performed 12 Post agglomeration using F-continuation condition.
Iterating post reduction 0 with 728 rules applied. Total rules applied 728 place count 196 transition count 354
Constant places removed 91 places and 166 transitions.
Performed 1 Post agglomeration using F-continuation condition.
Iterating post reduction 1 with 92 rules applied. Total rules applied 820 place count 105 transition count 187
Constant places removed 23 places and 65 transitions.
Iterating post reduction 2 with 23 rules applied. Total rules applied 843 place count 82 transition count 122
Constant places removed 23 places and 73 transitions.
Iterating post reduction 3 with 23 rules applied. Total rules applied 866 place count 59 transition count 49
Constant places removed 16 places and 3 transitions.
Iterating post reduction 4 with 16 rules applied. Total rules applied 882 place count 43 transition count 46
Performed 3 Pre agglomeration using Quasi-Persistent + HF-interchangeable + Divergent Free condition.
Pre-agglomeration after 5 with 3 Pre rules applied. Total rules applied 882 place count 43 transition count 43
Constant places removed 3 places and 0 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 885 place count 40 transition count 43
Symmetric choice reduction at 6 with 5 rule applications. Total rules 890 place count 40 transition count 43
Constant places removed 5 places and 12 transitions.
Iterating post reduction 6 with 5 rules applied. Total rules applied 895 place count 35 transition count 31
Performed 3 Post agglomeration using F-continuation condition.
Constant places removed 6 places and 0 transitions.
Performed 8 Post agglomeration using F-continuation condition.
Iterating post reduction 7 with 14 rules applied. Total rules applied 909 place count 29 transition count 20
Constant places removed 10 places and 2 transitions.
Iterating post reduction 8 with 10 rules applied. Total rules applied 919 place count 19 transition count 18
Performed 1 Pre agglomeration using Quasi-Persistent + HF-interchangeable + Divergent Free condition.
Pre-agglomeration after 9 with 1 Pre rules applied. Total rules applied 919 place count 19 transition count 17
Constant places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 920 place count 18 transition count 17
Symmetric choice reduction at 10 with 1 rule applications. Total rules 921 place count 18 transition count 17
Constant places removed 1 places and 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 922 place count 17 transition count 16
Performed 1 Pre agglomeration using Quasi-Persistent + HF-interchangeable + Divergent Free condition.
Pre-agglomeration after 11 with 1 Pre rules applied. Total rules applied 922 place count 17 transition count 15
Constant places removed 1 places and 0 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 923 place count 16 transition count 15
Performed 1 Post agglomeration using F-continuation condition.
Constant places removed 1 places and 0 transitions.
Iterating post reduction 12 with 1 rules applied. Total rules applied 924 place count 15 transition count 14
Applied a total of 924 rules in 39 ms. Remains 15 /912 variables (removed 897) and now considering 14/964 (removed 950) transitions.
Normalized transition count is 10
// Phase 1: matrix 10 rows 15 cols
Using solver Z3 to compute partial order matrices.
Built C files in :
/home/mcc/execution
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201805151631/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/ReachabilityDeadlock.pnml.gal, -t, CGAL, -ctl, DEADLOCK], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201805151631/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/ReachabilityDeadlock.pnml.gal -t CGAL -ctl DEADLOCK
No direction supplied, using forward translation only.
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,240,0.008615,4280,2,48,5,268,6,0,63,207,0


Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
dead,1,0.010297,4280,2,16,7,559,9,1,270,326,2

System contains 1 deadlocks (shown below if less than --print-limit option) !
FORMULA NeoElection-COL-3-ReachabilityDeadlock-0 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
[ P_masterState_16=1 P_masterState_8=1 ]
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit//lts_install_dir//include, -I., -std=c99, -fPIC, -O3, model.c], workingDir=/home/mcc/execution]
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.

BK_STOP 1527171909966

--------------------
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 ReachabilityDeadlock -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -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 ReachabilityDeadlock -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -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 24, 2018 2:25:07 PM fr.lip6.move.gal.application.Application start
INFO: Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -smt]
May 24, 2018 2:25:07 PM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
May 24, 2018 2:25:07 PM fr.lip6.move.gal.pnml.togal.PnmlToGalTransformer transform
INFO: Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
May 24, 2018 2:25:08 PM fr.lip6.move.gal.pnml.togal.PnmlToGalTransformer transform
INFO: Load time of PNML (colored model parsed with PNMLFW) : 946 ms
May 24, 2018 2:25:08 PM fr.lip6.move.gal.pnml.togal.HLGALTransformer handlePage
INFO: Transformed 18 places.
May 24, 2018 2:25:08 PM fr.lip6.move.gal.pnml.togal.HLGALTransformer handlePage
INFO: Computed order using colors.
May 24, 2018 2:25:08 PM fr.lip6.move.gal.pnml.togal.HLGALTransformer handlePage
INFO: sort/places :M * POS->P-sendAnnPs__broadcasting,P-startNeg__broadcasting,
M * STAGE->P-stage,
M * M * MT * M->P-network,P-poll__networl,
M * POS * M->P-masterList,
M * BOOL * M->P-masterState,
M->P-crashed,dead,P-electedPrimary,P-electedSecondary,P-electionFailed,P-electionInit,P-poll__handlingMessage,P-poll__pollEnd,P-poll__waitingMessage,P-polling,
M * M * NEGSTEP->P-negotiation,

May 24, 2018 2:25:08 PM fr.lip6.move.gal.pnml.togal.HLGALTransformer handlePage
INFO: Transformed 22 transitions.
May 24, 2018 2:25:08 PM fr.lip6.move.gal.pnml.togal.PnmlToGalTransformer transform
INFO: Computed order based on color domains.
May 24, 2018 2:25:08 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 16 ms
May 24, 2018 2:25:08 PM fr.lip6.move.gal.instantiate.DomainAnalyzer computeVariableDomains
INFO: Found a total of 4 fixed domain variables (out of 972 variables) in GAL type NeoElection_COL_3
May 24, 2018 2:25:08 PM fr.lip6.move.gal.instantiate.Simplifier printConstantVars
INFO: Found a total of 60 constant array cells/variables (out of 972 variables) in type NeoElection_COL_3
May 24, 2018 2:25:08 PM fr.lip6.move.gal.instantiate.Simplifier printConstantVars
INFO: P_electionFailed[0-3], P_masterList[0-47], P_crashed[0-3], dead[0-3],
May 24, 2018 2:25:08 PM fr.lip6.move.gal.instantiate.Instantiator instantiateParameters
INFO: On-the-fly reduction of False transitions avoided exploring 516.0 instantiations of transitions. Total transitions/syncs built is 836
May 24, 2018 2:25:08 PM fr.lip6.move.gal.instantiate.Instantiator normalizeCalls
INFO: Calls to non existing labels (possibly due to false guards) leads to 8 abort statements.
May 24, 2018 2:25:08 PM fr.lip6.move.gal.instantiate.DomainAnalyzer computeVariableDomains
INFO: Found a total of 4 fixed domain variables (out of 972 variables) in GAL type NeoElection_COL_3
May 24, 2018 2:25:08 PM fr.lip6.move.gal.instantiate.Simplifier printConstantVars
INFO: Found a total of 648 constant array cells/variables (out of 972 variables) in type NeoElection_COL_3
May 24, 2018 2:25:08 PM fr.lip6.move.gal.instantiate.Simplifier printConstantVars
INFO: P_startNeg__broadcasting[1], P_sendAnnPs__broadcasting[1], P_electionFailed[0-3], P_masterList[0-47], P_crashed[0-3], P_negotiation[0,3,6,9,12,15,24,30,36,45], P_network[1-3,9-11,13-15,17-19,21-23,25-27,33-35,37-39,41-43,45-47,49-51,57-59,61-63,65-67,69-71,73-75,81-83,85-87,89-91,93-95,97-99,105-107,109-111,113-115,117-119,121-123,129-131,133-135,137-139,141-143,145-147,153-155,157-159,161-163,165-167,169-171,177-179,181-183,185-187,189-191,193-195,201-203,205-207,209-211,213-215,217-219,225-227,229-231,233-235,237-239,241-243,249-251,253-255,257-259,261-263,265-267,273-275,277-279,281-283,285-287,289-291,297-299,301-303,305-307,309-311,313-315,321-323,325-327,329-331,333-335,337-339,345-347,349-351,353-355,357-359,361-363,369-371,373-375,377-379,381-383], dead[0-3], P_poll__networl[0-4,8-28,32-52,56-76,80-100,104-124,128-148,152-172,176-196,200-220,224-244,248-268,272-292,296-316,320-340,344-364,368-383],
May 24, 2018 2:25:08 PM fr.lip6.move.gal.instantiate.Simplifier simplifyConstantVariables
INFO: Removed constant array :P_electionFailed[]
May 24, 2018 2:25:08 PM fr.lip6.move.gal.instantiate.Simplifier simplifyConstantVariables
INFO: Removed constant array :P_masterList[]
May 24, 2018 2:25:08 PM fr.lip6.move.gal.instantiate.Simplifier simplifyConstantVariables
INFO: Removed constant array :P_crashed[]
May 24, 2018 2:25:08 PM fr.lip6.move.gal.instantiate.Simplifier simplifyConstantVariables
INFO: Removed constant array :dead[]
May 24, 2018 2:25:08 PM fr.lip6.move.gal.instantiate.Simplifier printConstantVars
INFO: Found a total of 588 constant array cells/variables (out of 912 variables) in type NeoElection_COL_3
May 24, 2018 2:25:08 PM fr.lip6.move.gal.instantiate.Simplifier printConstantVars
INFO: P_startNeg__broadcasting[1], P_sendAnnPs__broadcasting[1], P_negotiation[0,3,6,9,12,15,24,30,36,45], P_network[1-3,9-11,13-15,17-19,21-23,25-27,33-35,37-39,41-43,45-47,49-51,57-59,61-63,65-67,69-71,73-75,81-83,85-87,89-91,93-95,97-99,105-107,109-111,113-115,117-119,121-123,129-131,133-135,137-139,141-143,145-147,153-155,157-159,161-163,165-167,169-171,177-179,181-183,185-187,189-191,193-195,201-203,205-207,209-211,213-215,217-219,225-227,229-231,233-235,237-239,241-243,249-251,253-255,257-259,261-263,265-267,273-275,277-279,281-283,285-287,289-291,297-299,301-303,305-307,309-311,313-315,321-323,325-327,329-331,333-335,337-339,345-347,349-351,353-355,357-359,361-363,369-371,373-375,377-379,381-383], P_poll__networl[0-4,8-28,32-52,56-76,80-100,104-124,128-148,152-172,176-196,200-220,224-244,248-268,272-292,296-316,320-340,344-364,368-383],
May 24, 2018 2:25:08 PM fr.lip6.move.gal.instantiate.Simplifier printConstantVars
INFO: Found a total of 588 constant array cells/variables (out of 912 variables) in type NeoElection_COL_3
May 24, 2018 2:25:08 PM fr.lip6.move.gal.instantiate.Simplifier printConstantVars
INFO: P_startNeg__broadcasting[1], P_sendAnnPs__broadcasting[1], P_negotiation[0,3,6,9,12,15,24,30,36,45], P_network[1-3,9-11,13-15,17-19,21-23,25-27,33-35,37-39,41-43,45-47,49-51,57-59,61-63,65-67,69-71,73-75,81-83,85-87,89-91,93-95,97-99,105-107,109-111,113-115,117-119,121-123,129-131,133-135,137-139,141-143,145-147,153-155,157-159,161-163,165-167,169-171,177-179,181-183,185-187,189-191,193-195,201-203,205-207,209-211,213-215,217-219,225-227,229-231,233-235,237-239,241-243,249-251,253-255,257-259,261-263,265-267,273-275,277-279,281-283,285-287,289-291,297-299,301-303,305-307,309-311,313-315,321-323,325-327,329-331,333-335,337-339,345-347,349-351,353-355,357-359,361-363,369-371,373-375,377-379,381-383], P_poll__networl[0-4,8-28,32-52,56-76,80-100,104-124,128-148,152-172,176-196,200-220,224-244,248-268,272-292,296-316,320-340,344-364,368-383],
May 24, 2018 2:25:09 PM fr.lip6.move.gal.instantiate.Simplifier removeUncalledTransitions
INFO: Removed 4 uncalled transitions from type NeoElection_COL_3
May 24, 2018 2:25:09 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 471 ms
May 24, 2018 2:25:09 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.simple.gal : 22 ms
May 24, 2018 2:25:09 PM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was not deterministic with 700 transitions. Expanding to a total of 1128 deterministic transitions.
May 24, 2018 2:25:09 PM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Determinization took 25 ms.
May 24, 2018 2:25:09 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/ReachabilityDeadlock.pnml.gal : 1 ms
May 24, 2018 2:25:09 PM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 14 transitions.
May 24, 2018 2:25:09 PM org.smtlib.impl.Script execute
WARNING: Script execution failed on command (define-fun trsrc12 ((src (Array Int Int))(dst (Array Int Int))) Bool (and (_enabledsrc__12 src) (= (store (store src 8 (+ (select src 8) 1)) 10 (- (select src 10) 1)) dst))) with error (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Skipping mayMatrices nes/nds Error when declaring system variables to SMT solver.(error "Error writing to Z3 solver: java.io.IOException: Stream closed")
java.lang.RuntimeException: Error when declaring system variables to SMT solver.(error "Error writing to Z3 solver: java.io.IOException: Stream closed")
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.init(NextBMCSolver.java:93)
at fr.lip6.move.gal.gal2smt.bmc.KInductionSolver.init(KInductionSolver.java:59)
at fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver.init(NecessaryEnablingsolver.java:71)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.printLabels(Gal2PinsTransformerNext.java:471)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.printDependencyMatrix(Gal2PinsTransformerNext.java:209)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.buildBodyFile(Gal2PinsTransformerNext.java:85)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.transform(Gal2PinsTransformerNext.java:830)
at fr.lip6.move.gal.application.LTSminRunner$1.run(LTSminRunner.java:71)
at java.lang.Thread.run(Thread.java:748)
May 24, 2018 2:25:09 PM fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext transform
INFO: Built C files in 35ms conformant to PINS in folder :/home/mcc/execution

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="NeoElection-COL-3"
export BK_EXAMINATION="ReachabilityDeadlock"
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

tar xzf /home/mcc/BenchKit/INPUTS/NeoElection-COL-3.tgz
mv NeoElection-COL-3 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 itstools"
echo " Input is NeoElection-COL-3, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r116-csrt-152666475100251"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityDeadlock.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityDeadlock.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 '' ReachabilityDeadlock.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 ;