Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r357-tall-171683764000721.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool lola
Input is ShieldRVs-PT-002A, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r357-tall-171683764000721
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 536K
-rw-r--r-- 1 mcc users 7.7K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Apr 23 07:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 23 07:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Apr 23 07:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 23 07:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 12 17:12 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 136K Apr 12 17:12 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Apr 12 17:11 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 105K Apr 12 17:11 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 07:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 23 07:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 13K May 18 16:43 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 ShieldRVs-PT-002A-CTLCardinality-2024-00
FORMULA_NAME ShieldRVs-PT-002A-CTLCardinality-2024-01
FORMULA_NAME ShieldRVs-PT-002A-CTLCardinality-2024-02
FORMULA_NAME ShieldRVs-PT-002A-CTLCardinality-2024-03
FORMULA_NAME ShieldRVs-PT-002A-CTLCardinality-2024-04
FORMULA_NAME ShieldRVs-PT-002A-CTLCardinality-2024-05
FORMULA_NAME ShieldRVs-PT-002A-CTLCardinality-2024-06
FORMULA_NAME ShieldRVs-PT-002A-CTLCardinality-2024-07
FORMULA_NAME ShieldRVs-PT-002A-CTLCardinality-2024-08
FORMULA_NAME ShieldRVs-PT-002A-CTLCardinality-2024-09
FORMULA_NAME ShieldRVs-PT-002A-CTLCardinality-2024-10
FORMULA_NAME ShieldRVs-PT-002A-CTLCardinality-2024-11
FORMULA_NAME ShieldRVs-PT-002A-CTLCardinality-2023-12
FORMULA_NAME ShieldRVs-PT-002A-CTLCardinality-2023-13
FORMULA_NAME ShieldRVs-PT-002A-CTLCardinality-2023-14
FORMULA_NAME ShieldRVs-PT-002A-CTLCardinality-2023-15

=== Now, execution of the tool begins

BK_START 1717168397048

FORMULA ShieldRVs-PT-002A-CTLCardinality-2024-11 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA ShieldRVs-PT-002A-CTLCardinality-2024-00 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA ShieldRVs-PT-002A-CTLCardinality-2024-02 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA ShieldRVs-PT-002A-CTLCardinality-2024-03 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA ShieldRVs-PT-002A-CTLCardinality-2024-04 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA ShieldRVs-PT-002A-CTLCardinality-2023-14 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA ShieldRVs-PT-002A-CTLCardinality-2023-13 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA ShieldRVs-PT-002A-CTLCardinality-2024-08 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA ShieldRVs-PT-002A-CTLCardinality-2024-05 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA ShieldRVs-PT-002A-CTLCardinality-2023-15 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA ShieldRVs-PT-002A-CTLCardinality-2023-12 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA ShieldRVs-PT-002A-CTLCardinality-2024-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA ShieldRVs-PT-002A-CTLCardinality-2024-07 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA ShieldRVs-PT-002A-CTLCardinality-2024-01 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA ShieldRVs-PT-002A-CTLCardinality-2024-06 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA ShieldRVs-PT-002A-CTLCardinality-2024-09 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
[lola] FINAL RESULTS
[lola]  FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
[lola] ShieldRVs-PT-002A-CTLCardinality-2024-00: CTL false CTL model checker
[lola] ShieldRVs-PT-002A-CTLCardinality-2024-01: CONJ false CTL model checker
[lola] ShieldRVs-PT-002A-CTLCardinality-2024-02: INITIAL true preprocessing
[lola] ShieldRVs-PT-002A-CTLCardinality-2024-03: CTL true CTL model checker
[lola] ShieldRVs-PT-002A-CTLCardinality-2024-04: CTL true CTL model checker
[lola] ShieldRVs-PT-002A-CTLCardinality-2024-05: AGEF true tscc_search
[lola] ShieldRVs-PT-002A-CTLCardinality-2024-06: CTL false CTL model checker
[lola] ShieldRVs-PT-002A-CTLCardinality-2024-07: LTL/CTL false LTL model checker
[lola] ShieldRVs-PT-002A-CTLCardinality-2024-08: CTL false CTL model checker
[lola] ShieldRVs-PT-002A-CTLCardinality-2024-09: CTL true CTL model checker
[lola] ShieldRVs-PT-002A-CTLCardinality-2024-10: CTL false CTL model checker
[lola] ShieldRVs-PT-002A-CTLCardinality-2024-11: INITIAL false preprocessing
[lola] ShieldRVs-PT-002A-CTLCardinality-2023-12: CTL false CTL model checker
[lola] ShieldRVs-PT-002A-CTLCardinality-2023-13: DISJ true CTL model checker
[lola] ShieldRVs-PT-002A-CTLCardinality-2023-14: CTL true CTL model checker
[lola] ShieldRVs-PT-002A-CTLCardinality-2023-15: CTL false CTL model checker
[lola]
[lola] Time elapsed: 9 secs. Pages in use: 1

BK_STOP 1717168406419

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

[lola][I] LoLA will run for 3600 seconds at most (--timelimit)
[lola][W] unknown unit in memory specification: using default
[lola][I] MEM LIMIT 5
[lola][I] NET
[lola][I] reading net from model.pnml
[lola][I] input: PNML file (--pnmlnet)
[lola][I] reading pnml
[lola][I] PNML file contains place/transition net
[lola][I] closed net file model.pnml
[lola][I] finished parsing
[lola][I] Reading formula.
[lola][I] Using XML format (--xmlformula)
[lola][I] reading XML formula
[lola][I] reading formula from CTLCardinality.xml
[lola][I] Rule S: 0 transitions removed,0 places removed
[lola][I] LAUNCH task # 1 (type EXCL) for 0 ShieldRVs-PT-002A-CTLCardinality-2024-00
[lola][I] time limit : 128 sec
[lola][I] memory limit: 2000 pages
[lola][I] LAUNCH task # 38 (type CNST) for 37 ShieldRVs-PT-002A-CTLCardinality-2024-11
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] FINISHED task # 38 (type CNST) for ShieldRVs-PT-002A-CTLCardinality-2024-11
[lola][I] result : false
[lola][I] FINISHED task # 1 (type EXCL) for ShieldRVs-PT-002A-CTLCardinality-2024-00
[lola][I] result : false
[lola][I] markings : 329
[lola][I] fired transitions : 529
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 6 (type EXCL) for 3 ShieldRVs-PT-002A-CTLCardinality-2024-01
[lola][I] time limit : 156 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 6 (type EXCL) for ShieldRVs-PT-002A-CTLCardinality-2024-01
[lola][I] result : true
[lola][I] markings : 2
[lola][I] fired transitions : 1
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 11 (type CNST) for 10 ShieldRVs-PT-002A-CTLCardinality-2024-02
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] FINISHED task # 11 (type CNST) for ShieldRVs-PT-002A-CTLCardinality-2024-02
[lola][I] result : true
[lola][I] LAUNCH task # 14 (type EXCL) for 13 ShieldRVs-PT-002A-CTLCardinality-2024-03
[lola][I] time limit : 199 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 14 (type EXCL) for ShieldRVs-PT-002A-CTLCardinality-2024-03
[lola][I] result : true
[lola][I] markings : 369
[lola][I] fired transitions : 540
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 17 (type EXCL) for 16 ShieldRVs-PT-002A-CTLCardinality-2024-04
[lola][I] time limit : 211 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 17 (type EXCL) for ShieldRVs-PT-002A-CTLCardinality-2024-04
[lola][I] result : true
[lola][I] markings : 34
[lola][I] fired transitions : 33
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 55 (type EXCL) for 54 ShieldRVs-PT-002A-CTLCardinality-2023-14
[lola][I] time limit : 239 sec
[lola][I] memory limit: 2000 pages
[lola][I] LAUNCH task # 63 (type EQUN) for 19 ShieldRVs-PT-002A-CTLCardinality-2024-05
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] LAUNCH task # 65 (type EQUN) for 19 ShieldRVs-PT-002A-CTLCardinality-2024-05
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] FINISHED task # 55 (type EXCL) for ShieldRVs-PT-002A-CTLCardinality-2023-14
[lola][I] result : true
[lola][I] markings : 145
[lola][I] fired transitions : 413
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 50 (type EXCL) for 43 ShieldRVs-PT-002A-CTLCardinality-2023-13
[lola][I] time limit : 256 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 50 (type EXCL) for ShieldRVs-PT-002A-CTLCardinality-2023-13
[lola][I] result : false
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 46 (type EXCL) for 43 ShieldRVs-PT-002A-CTLCardinality-2023-13
[lola][I] time limit : 276 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 46 (type EXCL) for ShieldRVs-PT-002A-CTLCardinality-2023-13
[lola][I] result : true
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 29 (type EXCL) for 28 ShieldRVs-PT-002A-CTLCardinality-2024-08
[lola][I] time limit : 359 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 29 (type EXCL) for ShieldRVs-PT-002A-CTLCardinality-2024-08
[lola][I] result : false
[lola][I] markings : 89
[lola][I] fired transitions : 193
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 60 (type EXCL) for 19 ShieldRVs-PT-002A-CTLCardinality-2024-05
[lola][I] time limit : 399 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 63 (type EQUN) for ShieldRVs-PT-002A-CTLCardinality-2024-05
[lola][I] result : true
[lola][I] FINISHED task # 65 (type EQUN) for ShieldRVs-PT-002A-CTLCardinality-2024-05
[lola][I] result : unknown
[lola][I] FINISHED task # 60 (type EXCL) for ShieldRVs-PT-002A-CTLCardinality-2024-05
[lola][I] result : true
[lola][I] markings : 11445
[lola][I] fired transitions : 46861
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 58 (type EXCL) for 57 ShieldRVs-PT-002A-CTLCardinality-2023-15
[lola][I] time limit : 513 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 58 (type EXCL) for ShieldRVs-PT-002A-CTLCardinality-2023-15
[lola][I] result : false
[lola][I] markings : 31
[lola][I] fired transitions : 32
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 41 (type EXCL) for 40 ShieldRVs-PT-002A-CTLCardinality-2023-12
[lola][I] time limit : 598 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 41 (type EXCL) for ShieldRVs-PT-002A-CTLCardinality-2023-12
[lola][I] result : false
[lola][I] markings : 16021
[lola][I] fired transitions : 135875
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 35 (type EXCL) for 34 ShieldRVs-PT-002A-CTLCardinality-2024-10
[lola][I] time limit : 718 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 35 (type EXCL) for ShieldRVs-PT-002A-CTLCardinality-2024-10
[lola][I] result : false
[lola][I] markings : 4753
[lola][I] fired transitions : 19210
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 26 (type EXCL) for 25 ShieldRVs-PT-002A-CTLCardinality-2024-07
[lola][I] time limit : 897 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 26 (type EXCL) for ShieldRVs-PT-002A-CTLCardinality-2024-07
[lola][I] result : false
[lola][I] markings : 34
[lola][I] fired transitions : 34
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 8 (type EXCL) for 3 ShieldRVs-PT-002A-CTLCardinality-2024-01
[lola][I] time limit : 1197 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 8 (type EXCL) for ShieldRVs-PT-002A-CTLCardinality-2024-01
[lola][I] result : false
[lola][I] markings : 9
[lola][I] fired transitions : 8
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 23 (type EXCL) for 22 ShieldRVs-PT-002A-CTLCardinality-2024-06
[lola][I] time limit : 1795 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 23 (type EXCL) for ShieldRVs-PT-002A-CTLCardinality-2024-06
[lola][I] result : false
[lola][I] markings : 166
[lola][I] fired transitions : 781
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 32 (type EXCL) for 31 ShieldRVs-PT-002A-CTLCardinality-2024-09
[lola][I] time limit : 3591 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 32 (type EXCL) for ShieldRVs-PT-002A-CTLCardinality-2024-09
[lola][I] result : true
[lola][I] markings : 10836
[lola][I] fired transitions : 49665
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] Portfolio finished: no open formulas

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="ShieldRVs-PT-002A"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="lola"
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 lola"
echo " Input is ShieldRVs-PT-002A, 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 r357-tall-171683764000721"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldRVs-PT-002A.tgz
mv ShieldRVs-PT-002A 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 ;