Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r312-tall-167873965300428.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool marciexred
Input is PolyORBNT-COL-S10J30, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r312-tall-167873965300428
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 8.9K Feb 26 00:43 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Feb 26 00:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Feb 26 00:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Feb 26 00:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Feb 25 16:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 16:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 26 01:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K Feb 26 01:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Feb 26 01:07 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 45K Feb 26 01:07 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 16:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 7 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 93K Mar 5 18:23 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1678883511831

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=marciexred
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=PolyORBNT-COL-S10J30
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-15 12:31:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -timeout, 180, -rebuildPNML]
[2023-03-15 12:31:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 12:31:53] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-15 12:31:53] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-15 12:31:53] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 478 ms
[2023-03-15 12:31:53] [INFO ] Imported 48 HL places and 38 HL transitions for a total of 694 PT places and 12142.0 transition bindings in 193 ms.
[2023-03-15 12:31:54] [INFO ] Built PT skeleton of HLPN with 48 places and 38 transitions 140 arcs in 4 ms.
[2023-03-15 12:31:54] [INFO ] Skeletonized 0 HLPN properties in 0 ms.
Structural test allowed to assert that 2 places are NOT stable. Took 4 ms.
Incomplete random walk after 10000 steps, including 573 resets, run finished after 292 ms. (steps per millisecond=34 ) properties (out of 46) seen :12
Incomplete Best-First random walk after 1000 steps, including 17 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 34) seen :32
Finished Best-First random walk after 41 steps, including 0 resets, run visited all 2 properties in 1 ms. (steps per millisecond=41 )
Able to resolve query StableMarking after proving 47 properties.
[2023-03-15 12:31:54] [INFO ] Unfolded HLPN to a Petri net with 694 places and 12080 transitions 112619 arcs in 375 ms.
[2023-03-15 12:31:54] [INFO ] Unfolded 48 HLPN properties in 2 ms.
Deduced a syphon composed of 30 places in 27 ms
Reduce places removed 30 places and 30 transitions.
Ensure Unique test removed 10110 transitions
Reduce redundant transitions removed 10110 transitions.
Incomplete random walk after 10000 steps, including 559 resets, run finished after 580 ms. (steps per millisecond=17 ) properties (out of 48) seen :13
Incomplete Best-First random walk after 1000 steps, including 10 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 10 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 10 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 9 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 10 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 10 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 10 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 35) seen :0
Running SMT prover for 35 properties.
[2023-03-15 12:31:55] [INFO ] Flow matrix only has 1931 transitions (discarded 9 similar events)
// Phase 1: matrix 1931 rows 664 cols
[2023-03-15 12:31:55] [INFO ] Computed 92 place invariants in 101 ms
[2023-03-15 12:31:56] [INFO ] [Real]Absence check using 85 positive place invariants in 29 ms returned sat
[2023-03-15 12:31:56] [INFO ] [Real]Absence check using 85 positive and 7 generalized place invariants in 18 ms returned sat
[2023-03-15 12:31:56] [INFO ] After 730ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:35
[2023-03-15 12:31:57] [INFO ] [Nat]Absence check using 85 positive place invariants in 37 ms returned sat
[2023-03-15 12:31:57] [INFO ] [Nat]Absence check using 85 positive and 7 generalized place invariants in 51 ms returned sat
[2023-03-15 12:32:22] [INFO ] After 23933ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :33
[2023-03-15 12:32:22] [INFO ] State equation strengthened by 1 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.applyReachabilitySolver(GlobalPropertySolver.java:724)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:558)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preSolveLiveness(GlobalPropertySolver.java:412)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preStableMarking(GlobalPropertySolver.java:321)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:294)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:386)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-15 12:32:22] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-15 12:32:22] [INFO ] After 25050ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:35
Fused 35 Parikh solutions to 29 different solutions.
Parikh walk visited 0 properties in 326 ms.
Support contains 593 out of 664 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 664/664 places, 1940/1940 transitions.
Ensure Unique test removed 10 places
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 654 transition count 1938
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 14 place count 652 transition count 1938
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 14 place count 652 transition count 1935
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 20 place count 649 transition count 1935
Applied a total of 20 rules in 184 ms. Remains 649 /664 variables (removed 15) and now considering 1935/1940 (removed 5) transitions.
[2023-03-15 12:32:22] [INFO ] Flow matrix only has 1926 transitions (discarded 9 similar events)
// Phase 1: matrix 1926 rows 649 cols
[2023-03-15 12:32:22] [INFO ] Computed 82 place invariants in 51 ms
[2023-03-15 12:32:23] [INFO ] Dead Transitions using invariants and state equation in 1371 ms found 615 transitions.
Found 615 dead transitions using SMT.
Drop transitions removed 615 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 615 transitions.
Starting structural reductions in REACHABILITY mode, iteration 1 : 649/664 places, 1320/1940 transitions.
Applied a total of 0 rules in 26 ms. Remains 649 /649 variables (removed 0) and now considering 1320/1320 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1582 ms. Remains : 649/664 places, 1320/1940 transitions.
Finished random walk after 2053 steps, including 148 resets, run visited all 35 properties in 61 ms. (steps per millisecond=33 )
Able to resolve query StableMarking after proving 48 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK TOPOLOGICAL
Total runtime 30751 ms.
ITS solved all properties within timeout

BK_STOP 1678883545269

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination StableMarking -timeout 180 -rebuildPNML

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="PolyORBNT-COL-S10J30"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="marciexred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# 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 2-5348"
echo " Executing tool marciexred"
echo " Input is PolyORBNT-COL-S10J30, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r312-tall-167873965300428"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBNT-COL-S10J30.tgz
mv PolyORBNT-COL-S10J30 execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property StableMarking.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;