fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r048-tajo-171620398900129
Last Updated
July 7, 2024

About the Execution of ITS-Tools for BridgeAndVehicles-COL-V80P20N50

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 79442.00 0.00 0.00 ?????F??F??F?FT? normal

Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2024-input.r048-tajo-171620398900129.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2024-input.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool itstools
Input is BridgeAndVehicles-COL-V80P20N50, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r048-tajo-171620398900129
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 464K
-rw-r--r-- 1 mcc users 7.6K Apr 13 02:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Apr 13 02:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Apr 13 02:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Apr 13 02:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.3K Apr 22 14:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Apr 22 14:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Apr 22 14:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 22 14:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K Apr 13 05:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 83K Apr 13 05:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Apr 13 05:39 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Apr 13 05:39 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 22 14:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Apr 22 14:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_pt
-rw-r--r-- 1 mcc users 10 May 18 16:42 instance
-rw-r--r-- 1 mcc users 5 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 47K May 18 16:42 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 BridgeAndVehicles-COL-V80P20N50-CTLCardinality-2024-00
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-CTLCardinality-2024-01
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-CTLCardinality-2024-02
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-CTLCardinality-2024-03
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-CTLCardinality-2024-04
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-CTLCardinality-2024-05
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-CTLCardinality-2024-06
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-CTLCardinality-2024-07
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-CTLCardinality-2024-08
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-CTLCardinality-2024-09
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-CTLCardinality-2024-10
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-CTLCardinality-2024-11
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-CTLCardinality-2024-12
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-CTLCardinality-2024-13
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-CTLCardinality-2024-14
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-CTLCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1716324978460

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V80P20N50
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
CTLCardinality COL
Running Version 202405141337
[2024-05-21 20:56:20] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-21 20:56:20] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-21 20:56:20] [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.
[2024-05-21 20:56:20] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-05-21 20:56:21] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 781 ms
[2024-05-21 20:56:21] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 228 PT places and 1339138.0 transition bindings in 22 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 20 ms.
[2024-05-21 20:56:21] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 5 ms.
[2024-05-21 20:56:21] [INFO ] Skeletonized 16 HLPN properties in 2 ms.
Computed a total of 12 stabilizing places and 6 stable transitions
Graph (complete) has 51 edges and 15 vertex of which 13 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.13 ms
Remains 16 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Computed a total of 9 stabilizing places and 6 stable transitions
Graph (complete) has 22 edges and 12 vertex of which 10 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
RANDOM walk for 40000 steps (8 resets) in 3693 ms. (10 steps per ms) remains 35/69 properties
BEST_FIRST walk for 4004 steps (8 resets) in 56 ms. (70 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4002 steps (8 resets) in 50 ms. (78 steps per ms) remains 34/35 properties
BEST_FIRST walk for 4003 steps (8 resets) in 47 ms. (83 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4002 steps (8 resets) in 75 ms. (52 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (8 resets) in 47 ms. (83 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (8 resets) in 40 ms. (97 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4003 steps (8 resets) in 36 ms. (108 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (8 resets) in 68 ms. (58 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4001 steps (8 resets) in 11 ms. (333 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4001 steps (8 resets) in 17 ms. (222 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4003 steps (8 resets) in 22 ms. (174 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4003 steps (8 resets) in 12 ms. (307 steps per ms) remains 33/34 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 33/33 properties
BEST_FIRST walk for 4002 steps (8 resets) in 11 ms. (333 steps per ms) remains 33/33 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 33/33 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 33/33 properties
BEST_FIRST walk for 4003 steps (8 resets) in 25 ms. (153 steps per ms) remains 33/33 properties
BEST_FIRST walk for 4001 steps (8 resets) in 35 ms. (111 steps per ms) remains 33/33 properties
BEST_FIRST walk for 4003 steps (8 resets) in 16 ms. (235 steps per ms) remains 33/33 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 33/33 properties
BEST_FIRST walk for 4002 steps (8 resets) in 19 ms. (200 steps per ms) remains 33/33 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 33/33 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 33/33 properties
BEST_FIRST walk for 4003 steps (8 resets) in 13 ms. (285 steps per ms) remains 33/33 properties
BEST_FIRST walk for 4003 steps (8 resets) in 11 ms. (333 steps per ms) remains 33/33 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 33/33 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 33/33 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 33/33 properties
BEST_FIRST walk for 4002 steps (8 resets) in 43 ms. (90 steps per ms) remains 33/33 properties
// Phase 1: matrix 10 rows 12 cols
[2024-05-21 20:56:22] [INFO ] Computed 4 invariants in 4 ms
Problem AtomicPropp4 is UNSAT
Problem AtomicPropp5 is UNSAT
Problem AtomicPropp9 is UNSAT
Problem AtomicPropp10 is UNSAT
Problem AtomicPropp12 is UNSAT
Problem AtomicPropp14 is UNSAT
Problem AtomicPropp15 is UNSAT
Problem AtomicPropp17 is UNSAT
Problem AtomicPropp18 is UNSAT
Problem AtomicPropp20 is UNSAT
Problem AtomicPropp21 is UNSAT
Problem AtomicPropp22 is UNSAT
Problem AtomicPropp23 is UNSAT
Problem AtomicPropp24 is UNSAT
Problem AtomicPropp27 is UNSAT
Problem AtomicPropp29 is UNSAT
Problem AtomicPropp32 is UNSAT
Problem AtomicPropp33 is UNSAT
Problem AtomicPropp45 is UNSAT
Problem AtomicPropp47 is UNSAT
Problem AtomicPropp51 is UNSAT
Problem AtomicPropp53 is UNSAT
Problem AtomicPropp58 is UNSAT
Problem AtomicPropp61 is UNSAT
Problem AtomicPropp62 is UNSAT
Problem AtomicPropp64 is UNSAT
Problem AtomicPropp65 is UNSAT
Problem AtomicPropp66 is UNSAT
Problem AtomicPropp67 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 4/4 constraints. Problems are: Problem set: 29 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 29 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 10/22 variables, 12/16 constraints. Problems are: Problem set: 29 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/22 variables, 0/16 constraints. Problems are: Problem set: 29 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 0/22 variables, 0/16 constraints. Problems are: Problem set: 29 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 16 constraints, problems are : Problem set: 29 solved, 4 unsolved in 365 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 33/33 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 29 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 1/1 constraints. Problems are: Problem set: 29 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 29 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 8/12 variables, 3/4 constraints. Problems are: Problem set: 29 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 29 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 10/22 variables, 12/16 constraints. Problems are: Problem set: 29 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 4/20 constraints. Problems are: Problem set: 29 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/22 variables, 0/20 constraints. Problems are: Problem set: 29 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/22 variables, 0/20 constraints. Problems are: Problem set: 29 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 20 constraints, problems are : Problem set: 29 solved, 4 unsolved in 117 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 4/33 constraints, Known Traps: 0/0 constraints]
After SMT, in 583ms problems are : Problem set: 29 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Finished Parikh walk after 64 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=64 )
Parikh walk visited 4 properties in 38 ms.
Successfully simplified 29 atomic propositions for a total of 16 simplifications.
FORMULA BridgeAndVehicles-COL-V80P20N50-CTLCardinality-2024-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P20N50-CTLCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-21 20:56:23] [INFO ] Initial state reduction rules for CTL removed 3 formulas.
[2024-05-21 20:56:23] [INFO ] Flatten gal took : 48 ms
FORMULA BridgeAndVehicles-COL-V80P20N50-CTLCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P20N50-CTLCardinality-2024-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P20N50-CTLCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-21 20:56:23] [INFO ] Flatten gal took : 12 ms
Arc [1:1*[(MOD (ADD $cA 1) 81)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 81) 81) 81)]] contains successor/predecessor on variables of sort voitureB
Arc [13:1*[(MOD (ADD $cpt 1) 51)]] contains successor/predecessor on variables of sort compteur
Arc [14:1*[(MOD (ADD $s 1) 2)]] contains successor/predecessor on variables of sort sens
[2024-05-21 20:56:24] [INFO ] Unfolded HLPN to a Petri net with 228 places and 8588 transitions 67470 arcs in 432 ms.
[2024-05-21 20:56:24] [INFO ] Unfolded 11 HLPN properties in 0 ms.
Support contains 15 out of 228 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 228/228 places, 8588/8588 transitions.
Applied a total of 0 rules in 245 ms. Remains 228 /228 variables (removed 0) and now considering 8588/8588 (removed 0) transitions.
Running 8585 sub problems to find dead transitions.
[2024-05-21 20:56:25] [INFO ] Flow matrix only has 530 transitions (discarded 8058 similar events)
// Phase 1: matrix 530 rows 228 cols
[2024-05-21 20:56:25] [INFO ] Computed 7 invariants in 55 ms
[2024-05-21 20:56:25] [INFO ] State equation strengthened by 102 read => feed constraints.

BK_STOP 1716325057902

--------------------
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
+ [[ CTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution CTLCardinality -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
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLCardinality -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="BridgeAndVehicles-COL-V80P20N50"
export BK_EXAMINATION="CTLCardinality"
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 2-5568"
echo " Executing tool itstools"
echo " Input is BridgeAndVehicles-COL-V80P20N50, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r048-tajo-171620398900129"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V80P20N50.tgz
mv BridgeAndVehicles-COL-V80P20N50 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;