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.r523-tall-167987247800223.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 smartxred
Input is EisenbergMcGuire-PT-03, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r523-tall-167987247800223
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 6.7K Mar 23 15:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K Mar 23 15:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Mar 23 15:19 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 23 15:19 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 23 07:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 23 07:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 23 07:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 23 07:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Mar 26 22:42 NewModel
-rw-r--r-- 1 mcc users 12K Mar 23 15:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 108K Mar 23 15:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 23 15:21 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 81K Mar 23 15:21 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 23 07:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 23 07:07 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 26 22:42 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 26 22:42 instance
-rw-r--r-- 1 mcc users 6 Mar 26 22:42 iscolored
-rw-r--r-- 1 mcc users 121K Mar 31 16:48 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 EisenbergMcGuire-PT-03-ReachabilityFireability-00
FORMULA_NAME EisenbergMcGuire-PT-03-ReachabilityFireability-01
FORMULA_NAME EisenbergMcGuire-PT-03-ReachabilityFireability-02
FORMULA_NAME EisenbergMcGuire-PT-03-ReachabilityFireability-03
FORMULA_NAME EisenbergMcGuire-PT-03-ReachabilityFireability-04
FORMULA_NAME EisenbergMcGuire-PT-03-ReachabilityFireability-05
FORMULA_NAME EisenbergMcGuire-PT-03-ReachabilityFireability-06
FORMULA_NAME EisenbergMcGuire-PT-03-ReachabilityFireability-07
FORMULA_NAME EisenbergMcGuire-PT-03-ReachabilityFireability-08
FORMULA_NAME EisenbergMcGuire-PT-03-ReachabilityFireability-09
FORMULA_NAME EisenbergMcGuire-PT-03-ReachabilityFireability-10
FORMULA_NAME EisenbergMcGuire-PT-03-ReachabilityFireability-11
FORMULA_NAME EisenbergMcGuire-PT-03-ReachabilityFireability-12
FORMULA_NAME EisenbergMcGuire-PT-03-ReachabilityFireability-13
FORMULA_NAME EisenbergMcGuire-PT-03-ReachabilityFireability-14
FORMULA_NAME EisenbergMcGuire-PT-03-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1680811302912

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=smartxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=EisenbergMcGuire-PT-03
Applying reductions before tool smart
Invoking reducer
Running Version 202304061127
[2023-04-06 20:01:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-04-06 20:01:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-04-06 20:01:44] [INFO ] Load time of PNML (sax parser for PT used): 56 ms
[2023-04-06 20:01:44] [INFO ] Transformed 117 places.
[2023-04-06 20:01:44] [INFO ] Transformed 216 transitions.
[2023-04-06 20:01:44] [INFO ] Found NUPN structural information;
[2023-04-06 20:01:44] [INFO ] Parsed PT model containing 117 places and 216 transitions and 900 arcs in 248 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 2 resets, run finished after 487 ms. (steps per millisecond=20 ) properties (out of 16) seen :2
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 74 ms. (steps per millisecond=135 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 82 ms. (steps per millisecond=121 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 72 ms. (steps per millisecond=138 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 72 ms. (steps per millisecond=138 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 87 ms. (steps per millisecond=114 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 91 ms. (steps per millisecond=109 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 70 ms. (steps per millisecond=142 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 72 ms. (steps per millisecond=138 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 14) seen :0
Running SMT prover for 14 properties.
[2023-04-06 20:01:46] [INFO ] Flow matrix only has 153 transitions (discarded 63 similar events)
// Phase 1: matrix 153 rows 117 cols
[2023-04-06 20:01:46] [INFO ] Computed 10 invariants in 8 ms
[2023-04-06 20:01:47] [INFO ] After 262ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:14
[2023-04-06 20:01:47] [INFO ] [Nat]Absence check using 7 positive place invariants in 5 ms returned sat
[2023-04-06 20:01:47] [INFO ] [Nat]Absence check using 7 positive and 3 generalized place invariants in 2 ms returned sat
[2023-04-06 20:01:47] [INFO ] After 245ms SMT Verify possible using state equation in natural domain returned unsat :4 sat :10
[2023-04-06 20:01:47] [INFO ] State equation strengthened by 56 read => feed constraints.
[2023-04-06 20:01:47] [INFO ] After 190ms SMT Verify possible using 56 Read/Feed constraints in natural domain returned unsat :4 sat :10
[2023-04-06 20:01:47] [INFO ] Deduced a trap composed of 3 places in 79 ms of which 6 ms to minimize.
[2023-04-06 20:01:47] [INFO ] Deduced a trap composed of 3 places in 55 ms of which 1 ms to minimize.
[2023-04-06 20:01:47] [INFO ] Deduced a trap composed of 3 places in 55 ms of which 1 ms to minimize.
[2023-04-06 20:01:47] [INFO ] Deduced a trap composed of 20 places in 34 ms of which 1 ms to minimize.
[2023-04-06 20:01:47] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 261 ms
[2023-04-06 20:01:48] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 1 ms to minimize.
[2023-04-06 20:01:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 71 ms
[2023-04-06 20:01:48] [INFO ] Deduced a trap composed of 33 places in 63 ms of which 1 ms to minimize.
[2023-04-06 20:01:48] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 76 ms
[2023-04-06 20:01:48] [INFO ] After 815ms SMT Verify possible using trap constraints in natural domain returned unsat :6 sat :8
Attempting to minimize the solution found.
Minimization took 130 ms.
[2023-04-06 20:01:48] [INFO ] After 1363ms SMT Verify possible using all constraints in natural domain returned unsat :6 sat :8
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-15 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-14 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-06 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-05 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-01 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-00 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 14 Parikh solutions to 8 different solutions.
Parikh walk visited 0 properties in 79 ms.
Support contains 64 out of 117 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 117/117 places, 216/216 transitions.
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 10 Pre rules applied. Total rules applied 0 place count 117 transition count 206
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 107 transition count 206
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 106 transition count 203
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 106 transition count 203
Applied a total of 22 rules in 27 ms. Remains 106 /117 variables (removed 11) and now considering 203/216 (removed 13) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 106/117 places, 203/216 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 305 ms. (steps per millisecond=32 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 8) seen :0
Finished probabilistic random walk after 64941 steps, run visited all 8 properties in 318 ms. (steps per millisecond=204 )
Probabilistic random walk after 64941 steps, saw 17013 distinct states, run finished after 318 ms. (steps per millisecond=204 ) properties seen :8
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Parikh walk visited 0 properties in 0 ms.
All properties solved without resorting to model-checking.
Total runtime 4945 ms.
======================================================
========== this is Smart for the MCC'2018 ============
======================================================
Running EisenbergMcGuire (PT), instance 03
Examination ReachabilityFireability
Parser /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//parser/Fireability.jar
Model checker /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//rem_exec//smart

GOT IT HERE. BS
Petri model created: 117 places, 216 transitions, 900 arcs.
Final Score: 2098.354
Took : 8 seconds
Reachability Fireability file is: ReachabilityFireability.xml
READY TO PARSE. BS
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-00 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-01 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-02 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-03 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-04 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-05 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-06 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-07 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-08 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-09 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-10 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-11 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-12 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-13 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-14 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA EisenbergMcGuire-PT-03-ReachabilityFireability-15 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS

BK_STOP 1680811320847

--------------------
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_1.0.0.202304061127.jar
+ VERSION=202304061127
+ echo 'Running Version 202304061127'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -timeout 360 -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="EisenbergMcGuire-PT-03"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="smartxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 smartxred"
echo " Input is EisenbergMcGuire-PT-03, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r523-tall-167987247800223"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/EisenbergMcGuire-PT-03.tgz
mv EisenbergMcGuire-PT-03 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;