fond
Model Checking Contest 2021
11th edition, Paris, France, June 23, 2021
Execution of r194-smll-162089448800059
Last Updated
Jun 28, 2021

About the Execution of LoLA for RobotManipulation-PT-00100

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
75.476 140.00 494.00 17.60 200 200 201 200 200 201 200 200 200 200 200 200 200 200 200 200 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.r194-smll-162089448800059.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2021-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.............................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool lola
Input is RobotManipulation-PT-00100, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-smll-162089448800059
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 396K
-rw-r--r-- 1 mcc users 18K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 154K May 10 09:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.1K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 65K May 10 09:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 28 16:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 28 16:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 28 16:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 28 16:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 27 10:57 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 20K Mar 27 10:57 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.5K Mar 25 14:07 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 25 14:07 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 22 08:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 22 08:15 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 6 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 6.4K May 5 16:51 model.pnml

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

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

The expected result is a vector of positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME RobotManipulation-PT-00100-UpperBounds-00
FORMULA_NAME RobotManipulation-PT-00100-UpperBounds-01
FORMULA_NAME RobotManipulation-PT-00100-UpperBounds-02
FORMULA_NAME RobotManipulation-PT-00100-UpperBounds-03
FORMULA_NAME RobotManipulation-PT-00100-UpperBounds-04
FORMULA_NAME RobotManipulation-PT-00100-UpperBounds-05
FORMULA_NAME RobotManipulation-PT-00100-UpperBounds-06
FORMULA_NAME RobotManipulation-PT-00100-UpperBounds-07
FORMULA_NAME RobotManipulation-PT-00100-UpperBounds-08
FORMULA_NAME RobotManipulation-PT-00100-UpperBounds-09
FORMULA_NAME RobotManipulation-PT-00100-UpperBounds-10
FORMULA_NAME RobotManipulation-PT-00100-UpperBounds-11
FORMULA_NAME RobotManipulation-PT-00100-UpperBounds-12
FORMULA_NAME RobotManipulation-PT-00100-UpperBounds-13
FORMULA_NAME RobotManipulation-PT-00100-UpperBounds-14
FORMULA_NAME RobotManipulation-PT-00100-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1620936386263

starting LoLA
BK_INPUT RobotManipulation-PT-00100
BK_EXAMINATION: UpperBounds
bin directory: /home/mcc/BenchKit/bin
current directory: /home/mcc/execution
Upper Bounds

FORMULA RobotManipulation-PT-00100-UpperBounds-09 200 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-00100-UpperBounds-00 200 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-00100-UpperBounds-04 200 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-00100-UpperBounds-01 200 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-00100-UpperBounds-08 200 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-00100-UpperBounds-12 200 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-00100-UpperBounds-15 200 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-00100-UpperBounds-06 200 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-00100-UpperBounds-10 200 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-00100-UpperBounds-11 200 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-00100-UpperBounds-14 200 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-00100-UpperBounds-07 200 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-00100-UpperBounds-02 201 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-00100-UpperBounds-05 201 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-00100-UpperBounds-03 200 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-00100-UpperBounds-13 200 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1620936386403

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

lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/UpperBounds.xml
lola: Rule S: 0 transitions removed,0 places removed
lola: LAUNCH task # 74 (type EXCL) for 27 RobotManipulation-PT-00100-UpperBounds-09
lola: time limit : 128 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 52 (type FNDP) for 12 RobotManipulation-PT-00100-UpperBounds-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 54 (type FNDP) for 0 RobotManipulation-PT-00100-UpperBounds-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 55 (type EQUN) for 0 RobotManipulation-PT-00100-UpperBounds-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Structural Bound: 200
lola: REPORT NUM
lola: FINISHED task # 74 (type EXCL) for RobotManipulation-PT-00100-UpperBounds-09
lola: markings : 801
lola: fired transitions : 800
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 84 (type EXCL) for 3 RobotManipulation-PT-00100-UpperBounds-01
lola: time limit : 138 sec
lola: memory limit: 32 pages
lola: REPORT NUM
lola: FINISHED task # 54 (type FNDP) for RobotManipulation-PT-00100-UpperBounds-00
lola: tried executions : 1
lola: time used : 0.000000
lola: Structural Bound: 200
lola: CANCELED task # 55 (type EQUN) for RobotManipulation-PT-00100-UpperBounds-00 (obsolete)
lola: LAUNCH task # 57 (type FNDP) for 24 RobotManipulation-PT-00100-UpperBounds-08
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 58 (type EQUN) for 24 RobotManipulation-PT-00100-UpperBounds-08
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: REPORT NUM
lola: FINISHED task # 52 (type FNDP) for RobotManipulation-PT-00100-UpperBounds-04
lola: fired transitions : 199
lola: tried executions : 1
lola: time used : 0.000000
lola: LAUNCH task # 78 (type FNDP) for 18 RobotManipulation-PT-00100-UpperBounds-06
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: REPORT NUM
lola: FINISHED task # 84 (type EXCL) for RobotManipulation-PT-00100-UpperBounds-01
lola: markings : 601
lola: fired transitions : 600
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 92 (type EXCL) for 36 RobotManipulation-PT-00100-UpperBounds-12
lola: time limit : 156 sec
lola: memory limit: 32 pages
lola: Structural Bound: 200
sara: try reading problem file /home/mcc/execution/UpperBounds-55.sara.
lola: REPORT NUM
lola: FINISHED task # 57 (type FNDP) for RobotManipulation-PT-00100-UpperBounds-08
lola: fired transitions : 599
lola: tried executions : 1
lola: time used : 0.000000
lola: CANCELED task # 58 (type EQUN) for RobotManipulation-PT-00100-UpperBounds-08 (obsolete)
lola: REPORT NUM
sara: try reading problem file /home/mcc/execution/UpperBounds-58.sara.
lola: LAUNCH task # 79 (type FNDP) for 45 RobotManipulation-PT-00100-UpperBounds-15
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 80 (type EQUN) for 45 RobotManipulation-PT-00100-UpperBounds-15
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 92 (type EXCL) for RobotManipulation-PT-00100-UpperBounds-12
lola: markings : 1001
lola: fired transitions : 1199
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 77 (type EXCL) for 30 RobotManipulation-PT-00100-UpperBounds-10
lola: time limit : 189 sec
lola: memory limit: 32 pages

lola: REPORT NUM
lola: FINISHED task # 79 (type FNDP) for RobotManipulation-PT-00100-UpperBounds-15
lola: tried executions : 1
lola: time used : 0.000000
lola: CANCELED task # 80 (type EQUN) for RobotManipulation-PT-00100-UpperBounds-15 (obsolete)
lola: REPORT NUM
lola: LAUNCH task # 85 (type FNDP) for 33 RobotManipulation-PT-00100-UpperBounds-11
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 86 (type EQUN) for 33 RobotManipulation-PT-00100-UpperBounds-11
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 78 (type FNDP) for RobotManipulation-PT-00100-UpperBounds-06
lola: fired transitions : 199
lola: tried executions : 1
lola: time used : 0.000000
lola: LAUNCH task # 93 (type FNDP) for 42 RobotManipulation-PT-00100-UpperBounds-14
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Structural Bound: 200
lola: REPORT NUM
lola: FINISHED task # 77 (type EXCL) for RobotManipulation-PT-00100-UpperBounds-10
lola: time used : 0.000000
lola: memory pages used : 1
lola: REPORT NUM
lola: LAUNCH task # 76 (type EXCL) for 6 RobotManipulation-PT-00100-UpperBounds-02
lola: time limit : 276 sec
lola: memory limit: 32 pages
lola: REPORT NUM
lola: FINISHED task # 85 (type FNDP) for RobotManipulation-PT-00100-UpperBounds-11
lola: tried executions : 1
lola: time used : 0.000000
lola: CANCELED task # 86 (type EQUN) for RobotManipulation-PT-00100-UpperBounds-11 (obsolete)
lola: LAUNCH task # 48 (type FNDP) for 21 RobotManipulation-PT-00100-UpperBounds-07
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 49 (type FNDP) for 15 RobotManipulation-PT-00100-UpperBounds-05
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 93 (type FNDP) for RobotManipulation-PT-00100-UpperBounds-14
lola: fired transitions : 199
lola: tried executions : 1
lola: time used : 0.000000
lola: LAUNCH task # 50 (type FNDP) for 39 RobotManipulation-PT-00100-UpperBounds-13
lola: time limit : 32000000 sec
lola: memory limit: 5 pages

lola: Structural Bound: 201
sara: try reading problem file /home/mcc/execution/UpperBounds-80.sara.
lola: REPORT NUM
lola: FINISHED task # 48 (type FNDP) for RobotManipulation-PT-00100-UpperBounds-07
lola: fired transitions : 799
lola: tried executions : 1
lola: time used : 0.000000
lola: LAUNCH task # 61 (type FNDP) for 9 RobotManipulation-PT-00100-UpperBounds-03
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: REPORT NUM
lola: FINISHED task # 76 (type EXCL) for RobotManipulation-PT-00100-UpperBounds-02
lola: markings : 202
lola: fired transitions : 201
lola: time used : 0.000000
lola: memory pages used : 1
lola: REPORT NUM
lola: LAUNCH task # 71 (type EXCL) for 9 RobotManipulation-PT-00100-UpperBounds-03
lola: time limit : 600 sec
lola: memory limit: 32 pages
lola: FINISHED task # 49 (type FNDP) for RobotManipulation-PT-00100-UpperBounds-05
lola: fired transitions : 200
lola: tried executions : 1
lola: time used : 0.000000
lola: LAUNCH task # 59 (type EQUN) for 39 RobotManipulation-PT-00100-UpperBounds-13
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
sara: try reading problem file /home/mcc/execution/UpperBounds-86.sara.


lola: REPORT NUM
lola: FINISHED task # 55 (type EQUN) for RobotManipulation-PT-00100-UpperBounds-00
lola: time used : 0.000000
lola: REPORT NUM
lola: FINISHED task # 80 (type EQUN) for RobotManipulation-PT-00100-UpperBounds-15
lola: time used : 0.000000
lola: Structural Bound: 200
lola: REPORT NUM
lola: FINISHED task # 58 (type EQUN) for RobotManipulation-PT-00100-UpperBounds-08
lola: time used : 0.000000
lola: REPORT NUM
lola: FINISHED task # 71 (type EXCL) for RobotManipulation-PT-00100-UpperBounds-03
lola: markings : 801
lola: fired transitions : 800
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 61 (type FNDP) for RobotManipulation-PT-00100-UpperBounds-03 (obsolete)
lola: LAUNCH task # 65 (type EXCL) for 39 RobotManipulation-PT-00100-UpperBounds-13
lola: time limit : 1800 sec
lola: memory limit: 32 pages
lola: Structural Bound: 200
lola: REPORT NUM
lola: FINISHED task # 65 (type EXCL) for RobotManipulation-PT-00100-UpperBounds-13
lola: markings : 1001
lola: fired transitions : 1199
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 50 (type FNDP) for RobotManipulation-PT-00100-UpperBounds-13 (obsolete)
lola: CANCELED task # 59 (type EQUN) for RobotManipulation-PT-00100-UpperBounds-13 (obsolete)
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
RobotManipulation-PT-00100-UpperBounds-00: BOUND 200 findpath
RobotManipulation-PT-00100-UpperBounds-01: BOUND 200 state space
RobotManipulation-PT-00100-UpperBounds-02: BOUND 201 state space
RobotManipulation-PT-00100-UpperBounds-03: BOUND 200 state space
RobotManipulation-PT-00100-UpperBounds-04: BOUND 200 findpath
RobotManipulation-PT-00100-UpperBounds-05: BOUND 201 findpath
RobotManipulation-PT-00100-UpperBounds-06: BOUND 200 findpath
RobotManipulation-PT-00100-UpperBounds-07: BOUND 200 findpath
RobotManipulation-PT-00100-UpperBounds-08: BOUND 200 findpath
RobotManipulation-PT-00100-UpperBounds-09: BOUND 200 state space
RobotManipulation-PT-00100-UpperBounds-10: BOUND 200 state space
RobotManipulation-PT-00100-UpperBounds-11: BOUND 200 findpath
RobotManipulation-PT-00100-UpperBounds-12: BOUND 200 state space
RobotManipulation-PT-00100-UpperBounds-13: BOUND 200 state space
RobotManipulation-PT-00100-UpperBounds-14: BOUND 200 findpath
RobotManipulation-PT-00100-UpperBounds-15: BOUND 200 findpath


Time elapsed: 0 secs. Pages in use: 1
lola: REPORT NUM

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="RobotManipulation-PT-00100"
export BK_EXAMINATION="UpperBounds"
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 2-4028"
echo " Executing tool lola"
echo " Input is RobotManipulation-PT-00100, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r194-smll-162089448800059"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RobotManipulation-PT-00100.tgz
mv RobotManipulation-PT-00100 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;