Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r098-tall-177955695400167.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is Diffusion2D-PT-D30N150, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695400167
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.4M
-rw-r--r-- 1 mcc users 8.4K Mar 6 16:08 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 6 16:08 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 6 16:08 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 6 16:08 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.3K Mar 15 09:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 09:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.7K Mar 6 16:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 6 16:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 16:08 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K Mar 6 16:08 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:07 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 3.0M Mar 3 18:30 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Diffusion2D-PT-D30N150-ReachabilityFireability-2024-00
FORMULA_NAME Diffusion2D-PT-D30N150-ReachabilityFireability-2024-01
FORMULA_NAME Diffusion2D-PT-D30N150-ReachabilityFireability-2024-02
FORMULA_NAME Diffusion2D-PT-D30N150-ReachabilityFireability-2024-03
FORMULA_NAME Diffusion2D-PT-D30N150-ReachabilityFireability-2024-04
FORMULA_NAME Diffusion2D-PT-D30N150-ReachabilityFireability-2024-05
FORMULA_NAME Diffusion2D-PT-D30N150-ReachabilityFireability-2024-06
FORMULA_NAME Diffusion2D-PT-D30N150-ReachabilityFireability-2024-07
FORMULA_NAME Diffusion2D-PT-D30N150-ReachabilityFireability-2024-08
FORMULA_NAME Diffusion2D-PT-D30N150-ReachabilityFireability-2024-09
FORMULA_NAME Diffusion2D-PT-D30N150-ReachabilityFireability-2024-10
FORMULA_NAME Diffusion2D-PT-D30N150-ReachabilityFireability-2024-11
FORMULA_NAME Diffusion2D-PT-D30N150-ReachabilityFireability-2024-12
FORMULA_NAME Diffusion2D-PT-D30N150-ReachabilityFireability-2024-13
FORMULA_NAME Diffusion2D-PT-D30N150-ReachabilityFireability-2024-14
FORMULA_NAME Diffusion2D-PT-D30N150-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779579937872

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Diffusion2D-PT-D30N150
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 23:45:38] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 23:45:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 23:45:39] [INFO ] Load time of PNML (sax parser for PT used): 246 ms
[2026-05-23 23:45:39] [INFO ] Transformed 900 places.
[2026-05-23 23:45:39] [INFO ] Transformed 6844 transitions.
[2026-05-23 23:45:39] [INFO ] Parsed PT model containing 900 places and 6844 transitions and 13688 arcs in 372 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40472 steps (8 resets) in 260 ms. (155 steps per ms) remains 15/16 properties
FORMULA Diffusion2D-PT-D30N150-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 194 ms. (20 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 74 ms. (53 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 58 ms. (67 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 76 ms. (52 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 25 ms. (153 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 55 ms. (71 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 62 ms. (63 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 32 ms. (121 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 90 ms. (44 steps per ms) remains 15/15 properties
[2026-05-23 23:45:40] [INFO ] Flatten gal took : 392 ms
[2026-05-23 23:45:40] [INFO ] Flatten gal took : 207 ms
[2026-05-23 23:45:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8084714699230376015.gal : 129 ms
[2026-05-23 23:45:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7231197457506030754.prop : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8084714699230376015.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7231197457506030754.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality7231197457506030754.prop.
Interrupted probabilistic random walk after 162474 steps, run timeout after 3001 ms. (steps per millisecond=54 ) properties seen :4 out of 15
Probabilistic random walk after 162474 steps, saw 130976 distinct states, run finished after 3010 ms. (steps per millisecond=53 ) properties seen :4
FORMULA Diffusion2D-PT-D30N150-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA Diffusion2D-PT-D30N150-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA Diffusion2D-PT-D30N150-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA Diffusion2D-PT-D30N150-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8235204998651065598.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3095956045222991368.kers'
[2026-05-23 23:45:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8235204998651065598.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3095956045222991368.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 6844 rows 900 cols 13688 entries
Finished phase 1 with 899 SingleSign rule and 0 generalized
[2026-05-23 23:45:43] [INFO ] Computed 1 invariants in 27 ms
Computed 1 P flows in 28 ms.
Exported basis to /tmp/petrispot-output-3095956045222991368.kers
Total runtime 33 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/142 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 758/900 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/900 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
SDD proceeding with computation,15 properties remain. new max is 4
SDD size :1 after 17
SDD proceeding with computation,15 properties remain. new max is 8
SDD size :17 after 32
Reachability property Diffusion2D-PT-D30N150-ReachabilityFireability-2024-09 is true.
FORMULA Diffusion2D-PT-D30N150-ReachabilityFireability-2024-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,14 properties remain. new max is 8
SDD size :32 after 52
SDD proceeding with computation,14 properties remain. new max is 16
SDD size :52 after 59
SDD proceeding with computation,14 properties remain. new max is 32
SDD size :59 after 76
SDD proceeding with computation,14 properties remain. new max is 64
SDD size :76 after 104
Reachability property Diffusion2D-PT-D30N150-ReachabilityFireability-2024-13 is true.
FORMULA Diffusion2D-PT-D30N150-ReachabilityFireability-2024-13 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Invariant property Diffusion2D-PT-D30N150-ReachabilityFireability-2024-03 does not hold.
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :104 after 150
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :150 after 209
Reachability property Diffusion2D-PT-D30N150-ReachabilityFireability-2024-12 is true.
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :209 after 323
Invariant property Diffusion2D-PT-D30N150-ReachabilityFireability-2024-04 does not hold.
FORMULA Diffusion2D-PT-D30N150-ReachabilityFireability-2024-04 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :323 after 437
At refinement iteration 3 (OVERLAPS) 6844/7744 variables, 900/901 constraints. Problems are: Problem set: 3 solved, 8 unsolved
Invariant property Diffusion2D-PT-D30N150-ReachabilityFireability-2024-01 does not hold.
FORMULA Diffusion2D-PT-D30N150-ReachabilityFireability-2024-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :437 after 14984
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :14984 after 18157
Reachability property Diffusion2D-PT-D30N150-ReachabilityFireability-2024-11 is true.
FORMULA Diffusion2D-PT-D30N150-ReachabilityFireability-2024-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :18157 after 32479
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :32479 after 61549
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :61549 after 3.74342e+06
At refinement iteration 4 (INCLUDED_ONLY) 0/7744 variables, 0/901 constraints. Problems are: Problem set: 5 solved, 6 unsolved
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :3.74342e+06 after 4.60278e+08
At refinement iteration 5 (OVERLAPS) 0/7744 variables, 0/901 constraints. Problems are: Problem set: 5 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7744/7744 variables, and 901 constraints, problems are : Problem set: 5 solved, 6 unsolved in 2526 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 900/900 constraints, PredecessorRefiner: 11/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 5 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 0/0 constraints. Problems are: Problem set: 5 solved, 6 unsolved
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :4.60278e+08 after 1.29028e+13
At refinement iteration 1 (OVERLAPS) 779/900 variables, 1/1 constraints. Problems are: Problem set: 5 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/900 variables, 0/1 constraints. Problems are: Problem set: 5 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 6844/7744 variables, 900/901 constraints. Problems are: Problem set: 5 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7744 variables, 3/904 constraints. Problems are: Problem set: 5 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7744 variables, 0/904 constraints. Problems are: Problem set: 5 solved, 6 unsolved
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :1.29028e+13 after 7.01262e+24
At refinement iteration 6 (OVERLAPS) 0/7744 variables, 0/904 constraints. Problems are: Problem set: 5 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7744/7744 variables, and 904 constraints, problems are : Problem set: 5 solved, 6 unsolved in 4998 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 900/900 constraints, PredecessorRefiner: 6/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7772ms problems are : Problem set: 5 solved, 6 unsolved
Finished Parikh walk after 5980 steps, including 0 resets, run visited all 6 properties in 170 ms. (steps per millisecond=35 )
FORMULA Diffusion2D-PT-D30N150-ReachabilityFireability-2024-14 FALSE TECHNIQUES PARIKH_WALK
FORMULA Diffusion2D-PT-D30N150-ReachabilityFireability-2024-10 TRUE TECHNIQUES PARIKH_WALK
FORMULA Diffusion2D-PT-D30N150-ReachabilityFireability-2024-08 TRUE TECHNIQUES PARIKH_WALK
FORMULA Diffusion2D-PT-D30N150-ReachabilityFireability-2024-07 TRUE TECHNIQUES PARIKH_WALK
FORMULA Diffusion2D-PT-D30N150-ReachabilityFireability-2024-05 FALSE TECHNIQUES PARIKH_WALK
FORMULA Diffusion2D-PT-D30N150-ReachabilityFireability-2024-00 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 6 properties in 194 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 11993 ms.

BK_STOP 1779579951043

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="Diffusion2D-PT-D30N150"
export BK_EXAMINATION="ReachabilityFireability"
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 2-5973"
echo " Executing tool itstools"
echo " Input is Diffusion2D-PT-D30N150, 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 r098-tall-177955695400167"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D30N150.tgz
mv Diffusion2D-PT-D30N150 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.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 ;