fond
Model Checking Contest 2021
11th edition, Paris, France, June 23, 2021
Execution of r311-tall-162132108300366
Last Updated
Jun 28, 2021

About the Execution of ITS-Tools for TwoPhaseLocking-PT-nC05000vN

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
230.472 5785.00 9831.00 124.80 TTTTTTFTFFTFFFFT normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2021-input.r311-tall-162132108300366.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is TwoPhaseLocking-PT-nC05000vN, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r311-tall-162132108300366
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 404K
-rw-r--r-- 1 mcc users 20K May 15 08:57 CTLCardinality.txt
-rw-r--r-- 1 mcc users 170K May 15 08:57 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.4K May 15 08:57 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K May 15 08:57 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 12 08:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 12 08:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 12 08:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 12 08:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 12 08:13 NewModel
-rw-r--r-- 1 mcc users 4.2K May 12 04:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 22K May 12 04:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.8K May 11 18:05 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 18K May 11 18:05 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 12 04:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 12 04:43 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 12 08:13 equiv_col
-rw-r--r-- 1 mcc users 10 May 12 08:13 instance
-rw-r--r-- 1 mcc users 6 May 12 08:13 iscolored
-rw-r--r-- 1 mcc users 4.6K May 12 08:13 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 2PhLockVParam-ReachabilityCardinality-00
FORMULA_NAME 2PhLockVParam-ReachabilityCardinality-01
FORMULA_NAME 2PhLockVParam-ReachabilityCardinality-02
FORMULA_NAME 2PhLockVParam-ReachabilityCardinality-03
FORMULA_NAME 2PhLockVParam-ReachabilityCardinality-04
FORMULA_NAME 2PhLockVParam-ReachabilityCardinality-05
FORMULA_NAME 2PhLockVParam-ReachabilityCardinality-06
FORMULA_NAME 2PhLockVParam-ReachabilityCardinality-07
FORMULA_NAME 2PhLockVParam-ReachabilityCardinality-08
FORMULA_NAME 2PhLockVParam-ReachabilityCardinality-09
FORMULA_NAME 2PhLockVParam-ReachabilityCardinality-10
FORMULA_NAME 2PhLockVParam-ReachabilityCardinality-11
FORMULA_NAME 2PhLockVParam-ReachabilityCardinality-12
FORMULA_NAME 2PhLockVParam-ReachabilityCardinality-13
FORMULA_NAME 2PhLockVParam-ReachabilityCardinality-14
FORMULA_NAME 2PhLockVParam-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1621475717187

Running Version 0
[2021-05-20 01:55:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2021-05-20 01:55:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-20 01:55:18] [INFO ] Load time of PNML (sax parser for PT used): 18 ms
[2021-05-20 01:55:18] [INFO ] Transformed 8 places.
[2021-05-20 01:55:18] [INFO ] Transformed 6 transitions.
[2021-05-20 01:55:18] [INFO ] Parsed PT model containing 8 places and 6 transitions in 53 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 11 ms.
Working with output stream class java.io.PrintStream
FORMULA 2PhLockVParam-ReachabilityCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA 2PhLockVParam-ReachabilityCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10006 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 14) seen :3
FORMULA 2PhLockVParam-ReachabilityCardinality-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA 2PhLockVParam-ReachabilityCardinality-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA 2PhLockVParam-ReachabilityCardinality-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 11) seen :0
Running SMT prover for 11 properties.
// Phase 1: matrix 6 rows 8 cols
[2021-05-20 01:55:19] [INFO ] Computed 3 place invariants in 4 ms
[2021-05-20 01:55:19] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2021-05-20 01:55:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-20 01:55:19] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2021-05-20 01:55:19] [INFO ] Solution in real domain found non-integer solution.
[2021-05-20 01:55:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2021-05-20 01:55:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-20 01:55:19] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2021-05-20 01:55:19] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 2 ms.
[2021-05-20 01:55:19] [INFO ] Added : 4 causal constraints over 1 iterations in 9 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 2 ms.
[2021-05-20 01:55:19] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2021-05-20 01:55:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-20 01:55:19] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2021-05-20 01:55:19] [INFO ] Solution in real domain found non-integer solution.
[2021-05-20 01:55:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2021-05-20 01:55:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-20 01:55:19] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2021-05-20 01:55:19] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 5 ms.
[2021-05-20 01:55:19] [INFO ] Added : 3 causal constraints over 1 iterations in 11 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 0 ms.
[2021-05-20 01:55:19] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2021-05-20 01:55:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-20 01:55:19] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2021-05-20 01:55:19] [INFO ] Solution in real domain found non-integer solution.
[2021-05-20 01:55:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2021-05-20 01:55:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-20 01:55:19] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2021-05-20 01:55:19] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 1 ms.
[2021-05-20 01:55:19] [INFO ] Added : 4 causal constraints over 1 iterations in 8 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 1 ms.
[2021-05-20 01:55:19] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2021-05-20 01:55:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-20 01:55:19] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2021-05-20 01:55:19] [INFO ] Solution in real domain found non-integer solution.
[2021-05-20 01:55:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2021-05-20 01:55:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-20 01:55:19] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2021-05-20 01:55:19] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 0 ms.
[2021-05-20 01:55:19] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 0 ms.
[2021-05-20 01:55:19] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2021-05-20 01:55:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-20 01:55:19] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2021-05-20 01:55:19] [INFO ] Solution in real domain found non-integer solution.
[2021-05-20 01:55:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2021-05-20 01:55:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-20 01:55:19] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2021-05-20 01:55:19] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 1 ms.
[2021-05-20 01:55:19] [INFO ] Added : 4 causal constraints over 1 iterations in 7 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 1 ms.
[2021-05-20 01:55:19] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2021-05-20 01:55:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-20 01:55:19] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2021-05-20 01:55:19] [INFO ] Solution in real domain found non-integer solution.
[2021-05-20 01:55:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2021-05-20 01:55:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-20 01:55:19] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2021-05-20 01:55:19] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 1 ms.
[2021-05-20 01:55:19] [INFO ] Added : 4 causal constraints over 1 iterations in 12 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 1 ms.
[2021-05-20 01:55:19] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2021-05-20 01:55:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-20 01:55:19] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2021-05-20 01:55:19] [INFO ] Solution in real domain found non-integer solution.
[2021-05-20 01:55:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2021-05-20 01:55:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-20 01:55:19] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2021-05-20 01:55:19] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 0 ms.
[2021-05-20 01:55:19] [INFO ] Added : 4 causal constraints over 1 iterations in 3 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 7 ms.
FORMULA 2PhLockVParam-ReachabilityCardinality-10 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA 2PhLockVParam-ReachabilityCardinality-07 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA 2PhLockVParam-ReachabilityCardinality-03 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA 2PhLockVParam-ReachabilityCardinality-00 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 11 Parikh solutions to 7 different solutions.
Incomplete Parikh walk after 250400 steps, including 98 resets, run finished after 651 ms. (steps per millisecond=384 ) properties (out of 7) seen :2 could not realise parikh vector
FORMULA 2PhLockVParam-ReachabilityCardinality-11 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA 2PhLockVParam-ReachabilityCardinality-06 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Incomplete Parikh walk after 999700 steps, including 99 resets, run finished after 1684 ms. (steps per millisecond=593 ) properties (out of 5) seen :3 could not realise parikh vector
FORMULA 2PhLockVParam-ReachabilityCardinality-15 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA 2PhLockVParam-ReachabilityCardinality-13 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA 2PhLockVParam-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Finished Parikh walk after 20000 steps, including 1 resets, run visited all 2 properties in 31 ms. (steps per millisecond=645 )
FORMULA 2PhLockVParam-ReachabilityCardinality-14 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA 2PhLockVParam-ReachabilityCardinality-09 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
All properties solved without resorting to model-checking.

BK_STOP 1621475722972

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

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination ReachabilityCardinality -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m

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="TwoPhaseLocking-PT-nC05000vN"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itstools"
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 2-4028"
echo " Executing tool itstools"
echo " Input is TwoPhaseLocking-PT-nC05000vN, 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 r311-tall-162132108300366"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/TwoPhaseLocking-PT-nC05000vN.tgz
mv TwoPhaseLocking-PT-nC05000vN execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "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
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;