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.r247-tall-171654353200366.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 NQueens-PT-12, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r247-tall-171654353200366
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 660K
-rw-r--r-- 1 mcc users 6.7K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K 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 3.4K Apr 23 07:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 23 07:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 19 07:23 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 19 18:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Apr 12 03:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 146K Apr 12 03:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Apr 12 03:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 110K Apr 12 03:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 07:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 23 07:40 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 134K 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 NQueens-PT-12-ReachabilityCardinality-2024-00
FORMULA_NAME NQueens-PT-12-ReachabilityCardinality-2024-01
FORMULA_NAME NQueens-PT-12-ReachabilityCardinality-2024-02
FORMULA_NAME NQueens-PT-12-ReachabilityCardinality-2024-03
FORMULA_NAME NQueens-PT-12-ReachabilityCardinality-2024-04
FORMULA_NAME NQueens-PT-12-ReachabilityCardinality-2024-05
FORMULA_NAME NQueens-PT-12-ReachabilityCardinality-2024-06
FORMULA_NAME NQueens-PT-12-ReachabilityCardinality-2024-07
FORMULA_NAME NQueens-PT-12-ReachabilityCardinality-2024-08
FORMULA_NAME NQueens-PT-12-ReachabilityCardinality-2024-09
FORMULA_NAME NQueens-PT-12-ReachabilityCardinality-2024-10
FORMULA_NAME NQueens-PT-12-ReachabilityCardinality-2024-11
FORMULA_NAME NQueens-PT-12-ReachabilityCardinality-2024-12
FORMULA_NAME NQueens-PT-12-ReachabilityCardinality-2024-13
FORMULA_NAME NQueens-PT-12-ReachabilityCardinality-2024-14
FORMULA_NAME NQueens-PT-12-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1717072618926

FORMULA NQueens-PT-12-ReachabilityCardinality-2024-04 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA NQueens-PT-12-ReachabilityCardinality-2024-13 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA NQueens-PT-12-ReachabilityCardinality-2024-01 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA NQueens-PT-12-ReachabilityCardinality-2024-03 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA NQueens-PT-12-ReachabilityCardinality-2024-06 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA NQueens-PT-12-ReachabilityCardinality-2024-07 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA NQueens-PT-12-ReachabilityCardinality-2024-05 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA NQueens-PT-12-ReachabilityCardinality-2024-09 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA NQueens-PT-12-ReachabilityCardinality-2024-00 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA NQueens-PT-12-ReachabilityCardinality-2024-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA NQueens-PT-12-ReachabilityCardinality-2024-08 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA NQueens-PT-12-ReachabilityCardinality-2024-14 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA NQueens-PT-12-ReachabilityCardinality-2024-15 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA NQueens-PT-12-ReachabilityCardinality-2024-12 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA NQueens-PT-12-ReachabilityCardinality-2024-11 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA NQueens-PT-12-ReachabilityCardinality-2024-02 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] NQueens-PT-12-ReachabilityCardinality-2024-00: AG false state space
[lola] NQueens-PT-12-ReachabilityCardinality-2024-01: INITIAL true preprocessing
[lola] NQueens-PT-12-ReachabilityCardinality-2024-02: EF true state space
[lola] NQueens-PT-12-ReachabilityCardinality-2024-03: INITIAL false preprocessing
[lola] NQueens-PT-12-ReachabilityCardinality-2024-04: INITIAL true preprocessing
[lola] NQueens-PT-12-ReachabilityCardinality-2024-05: INITIAL true preprocessing
[lola] NQueens-PT-12-ReachabilityCardinality-2024-06: INITIAL false preprocessing
[lola] NQueens-PT-12-ReachabilityCardinality-2024-07: INITIAL true preprocessing
[lola] NQueens-PT-12-ReachabilityCardinality-2024-08: INITIAL false preprocessing
[lola] NQueens-PT-12-ReachabilityCardinality-2024-09: INITIAL false preprocessing
[lola] NQueens-PT-12-ReachabilityCardinality-2024-10: INITIAL false preprocessing
[lola] NQueens-PT-12-ReachabilityCardinality-2024-11: EF true findpath
[lola] NQueens-PT-12-ReachabilityCardinality-2024-12: EF true state space
[lola] NQueens-PT-12-ReachabilityCardinality-2024-13: INITIAL false preprocessing
[lola] NQueens-PT-12-ReachabilityCardinality-2024-14: AG false state space
[lola] NQueens-PT-12-ReachabilityCardinality-2024-15: EF true state space
[lola]
[lola] Time elapsed: 2 secs. Pages in use: 1

BK_STOP 1717072621375

--------------------
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 ReachabilityCardinality.xml
[lola][I] LAUNCH task # 13 (type CNST) for 12 NQueens-PT-12-ReachabilityCardinality-2024-04
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] FINISHED task # 13 (type CNST) for NQueens-PT-12-ReachabilityCardinality-2024-04
[lola][I] Rule S: 0 transitions removed,0 places removed
[lola][I] result : true
[lola][I] LAUNCH task # 40 (type CNST) for 39 NQueens-PT-12-ReachabilityCardinality-2024-13
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] FINISHED task # 40 (type CNST) for NQueens-PT-12-ReachabilityCardinality-2024-13
[lola][I] result : false
[lola][I] LAUNCH task # 4 (type CNST) for 3 NQueens-PT-12-ReachabilityCardinality-2024-01
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] LAUNCH task # 10 (type CNST) for 9 NQueens-PT-12-ReachabilityCardinality-2024-03
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] LAUNCH task # 19 (type CNST) for 18 NQueens-PT-12-ReachabilityCardinality-2024-06
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] LAUNCH task # 22 (type CNST) for 21 NQueens-PT-12-ReachabilityCardinality-2024-07
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] FINISHED task # 22 (type CNST) for NQueens-PT-12-ReachabilityCardinality-2024-07
[lola][I] result : true
[lola][I] FINISHED task # 10 (type CNST) for NQueens-PT-12-ReachabilityCardinality-2024-03
[lola][I] result : false
[lola][I] FINISHED task # 19 (type CNST) for NQueens-PT-12-ReachabilityCardinality-2024-06
[lola][I] result : false
[lola][I] FINISHED task # 4 (type CNST) for NQueens-PT-12-ReachabilityCardinality-2024-01
[lola][I] result : true
[lola][I] LAUNCH task # 28 (type CNST) for 27 NQueens-PT-12-ReachabilityCardinality-2024-09
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] LAUNCH task # 51 (type EXCL) for 0 NQueens-PT-12-ReachabilityCardinality-2024-00
[lola][I] time limit : 276 sec
[lola][I] memory limit: 2000 pages
[lola][I] LAUNCH task # 49 (type FNDP) for 0 NQueens-PT-12-ReachabilityCardinality-2024-00
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] LAUNCH task # 50 (type EQUN) for 0 NQueens-PT-12-ReachabilityCardinality-2024-00
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] LAUNCH task # 16 (type CNST) for 15 NQueens-PT-12-ReachabilityCardinality-2024-05
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] FINISHED task # 28 (type CNST) for NQueens-PT-12-ReachabilityCardinality-2024-09
[lola][I] result : false
[lola][I] FINISHED task # 16 (type CNST) for NQueens-PT-12-ReachabilityCardinality-2024-05
[lola][I] result : true
[lola][I] LAUNCH task # 52 (type FNDP) for 33 NQueens-PT-12-ReachabilityCardinality-2024-11
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] LAUNCH task # 31 (type CNST) for 30 NQueens-PT-12-ReachabilityCardinality-2024-10
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] FINISHED task # 51 (type EXCL) for NQueens-PT-12-ReachabilityCardinality-2024-00
[lola][I] result : true
[lola][I] markings : 3
[lola][I] fired transitions : 2
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][W] CANCELED task # 49 (type FNDP) for NQueens-PT-12-ReachabilityCardinality-2024-00 (obsolete)
[lola][W] CANCELED task # 50 (type EQUN) for NQueens-PT-12-ReachabilityCardinality-2024-00 (obsolete)
[lola][I] LAUNCH task # 58 (type EXCL) for 42 NQueens-PT-12-ReachabilityCardinality-2024-14
[lola][I] time limit : 449 sec
[lola][I] memory limit: 2000 pages
[lola][I] LAUNCH task # 56 (type FNDP) for 42 NQueens-PT-12-ReachabilityCardinality-2024-14
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] FINISHED task # 31 (type CNST) for NQueens-PT-12-ReachabilityCardinality-2024-10
[lola][I] result : false
[lola][I] LAUNCH task # 53 (type EQUN) for 33 NQueens-PT-12-ReachabilityCardinality-2024-11
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] LAUNCH task # 25 (type CNST) for 24 NQueens-PT-12-ReachabilityCardinality-2024-08
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] FINISHED task # 25 (type CNST) for NQueens-PT-12-ReachabilityCardinality-2024-08
[lola][I] result : false
[lola][I] FINISHED task # 58 (type EXCL) for NQueens-PT-12-ReachabilityCardinality-2024-14
[lola][I] result : true
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][W] CANCELED task # 56 (type FNDP) for NQueens-PT-12-ReachabilityCardinality-2024-14 (obsolete)
[lola][I] LAUNCH task # 64 (type EXCL) for 45 NQueens-PT-12-ReachabilityCardinality-2024-15
[lola][I] time limit : 899 sec
[lola][I] memory limit: 2000 pages
[lola][I] LAUNCH task # 59 (type FNDP) for 36 NQueens-PT-12-ReachabilityCardinality-2024-12
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] FINISHED task # 49 (type FNDP) for NQueens-PT-12-ReachabilityCardinality-2024-00
[lola][I] result : true
[lola][I] tried executions : 1
[lola][I] time used : 0
[lola][I] memory pages used : 0
[lola][I] FINISHED task # 64 (type EXCL) for NQueens-PT-12-ReachabilityCardinality-2024-15
[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 # 61 (type EXCL) for 36 NQueens-PT-12-ReachabilityCardinality-2024-12
[lola][I] time limit : 1199 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 56 (type FNDP) for NQueens-PT-12-ReachabilityCardinality-2024-14
[lola][I] result : true
[lola][I] tried executions : 1
[lola][I] time used : 0
[lola][I] memory pages used : 0
[lola][I] FINISHED task # 61 (type EXCL) for NQueens-PT-12-ReachabilityCardinality-2024-12
[lola][I] result : true
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][W] CANCELED task # 59 (type FNDP) for NQueens-PT-12-ReachabilityCardinality-2024-12 (obsolete)
[lola][I] LAUNCH task # 67 (type EXCL) for 6 NQueens-PT-12-ReachabilityCardinality-2024-02
[lola][I] time limit : 1799 sec
[lola][I] memory limit: 2000 pages
[lola][I] LAUNCH task # 65 (type FNDP) for 6 NQueens-PT-12-ReachabilityCardinality-2024-02
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] FINISHED task # 52 (type FNDP) for NQueens-PT-12-ReachabilityCardinality-2024-11
[lola][I] result : true
[lola][I] tried executions : 1
[lola][I] time used : 0
[lola][I] memory pages used : 0
[lola][W] CANCELED task # 53 (type EQUN) for NQueens-PT-12-ReachabilityCardinality-2024-11 (obsolete)
[lola][I] LAUNCH task # 66 (type EQUN) for 6 NQueens-PT-12-ReachabilityCardinality-2024-02
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] FINISHED task # 53 (type EQUN) for NQueens-PT-12-ReachabilityCardinality-2024-11
[lola][I] result : true
[lola][I] FINISHED task # 67 (type EXCL) for NQueens-PT-12-ReachabilityCardinality-2024-02
[lola][I] result : true
[lola][I] markings : 6
[lola][I] fired transitions : 5
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][W] CANCELED task # 65 (type FNDP) for NQueens-PT-12-ReachabilityCardinality-2024-02 (obsolete)
[lola][W] CANCELED task # 66 (type EQUN) for NQueens-PT-12-ReachabilityCardinality-2024-02 (obsolete)
[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="NQueens-PT-12"
export BK_EXAMINATION="ReachabilityCardinality"
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 NQueens-PT-12, 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 r247-tall-171654353200366"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NQueens-PT-12.tgz
mv NQueens-PT-12 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 ;