fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r358-smll-167891807200093
Last Updated
May 14, 2023

About the Execution of LoLA for RobotManipulation-PT-05000

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
57.235 377.00 109.00 5.00 10000 10000 10000 10001 10000 10000 10001 10000 10000 10000 10000 10000 10001 10000 10000 10000 normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r358-smll-167891807200093.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lola
Input is RobotManipulation-PT-05000, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r358-smll-167891807200093
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 400K
-rw-r--r-- 1 mcc users 6.1K Feb 26 05:36 CTLCardinality.txt
-rw-r--r-- 1 mcc users 55K Feb 26 05:36 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 26 05:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Feb 26 05:35 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Feb 25 16:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 16:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.7K Feb 26 05:37 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 92K Feb 26 05:37 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Feb 26 05:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Feb 26 05:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 16:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 6.4K Mar 5 18:23 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-05000-UpperBounds-00
FORMULA_NAME RobotManipulation-PT-05000-UpperBounds-01
FORMULA_NAME RobotManipulation-PT-05000-UpperBounds-02
FORMULA_NAME RobotManipulation-PT-05000-UpperBounds-03
FORMULA_NAME RobotManipulation-PT-05000-UpperBounds-04
FORMULA_NAME RobotManipulation-PT-05000-UpperBounds-05
FORMULA_NAME RobotManipulation-PT-05000-UpperBounds-06
FORMULA_NAME RobotManipulation-PT-05000-UpperBounds-07
FORMULA_NAME RobotManipulation-PT-05000-UpperBounds-08
FORMULA_NAME RobotManipulation-PT-05000-UpperBounds-09
FORMULA_NAME RobotManipulation-PT-05000-UpperBounds-10
FORMULA_NAME RobotManipulation-PT-05000-UpperBounds-11
FORMULA_NAME RobotManipulation-PT-05000-UpperBounds-12
FORMULA_NAME RobotManipulation-PT-05000-UpperBounds-13
FORMULA_NAME RobotManipulation-PT-05000-UpperBounds-14
FORMULA_NAME RobotManipulation-PT-05000-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1678967438751

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lola
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RobotManipulation-PT-05000
Not applying reductions.
Model is PT
UpperBounds PT
starting LoLA
BK_INPUT RobotManipulation-PT-05000
BK_EXAMINATION: UpperBounds
bin directory: /home/mcc/BenchKit/bin//../lola/bin/
current directory: /home/mcc/execution
Upper Bounds

FORMULA RobotManipulation-PT-05000-UpperBounds-04 10000 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-05000-UpperBounds-02 10000 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-05000-UpperBounds-08 10000 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-05000-UpperBounds-06 10001 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-05000-UpperBounds-00 10000 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-05000-UpperBounds-14 10000 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-05000-UpperBounds-11 10000 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-05000-UpperBounds-10 10000 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-05000-UpperBounds-05 10000 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-05000-UpperBounds-03 10001 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-05000-UpperBounds-15 10000 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-05000-UpperBounds-12 10001 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-05000-UpperBounds-07 10000 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-05000-UpperBounds-09 10000 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-05000-UpperBounds-13 10000 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RobotManipulation-PT-05000-UpperBounds-01 10000 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678967439128

--------------------
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 # 50 (type EXCL) for 12 RobotManipulation-PT-05000-UpperBounds-04
lola: time limit : 128 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 48 (type FNDP) for 12 RobotManipulation-PT-05000-UpperBounds-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 49 (type EQUN) for 12 RobotManipulation-PT-05000-UpperBounds-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Structural Bound: 10000
lola: LAUNCH task # 51 (type FNDP) for 6 RobotManipulation-PT-05000-UpperBounds-02
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: REPORT NUM
lola: FINISHED task # 50 (type EXCL) for RobotManipulation-PT-05000-UpperBounds-04
lola: markings : 20001
lola: fired transitions : 20000
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 48 (type FNDP) for RobotManipulation-PT-05000-UpperBounds-04 (obsolete)
lola: CANCELED task # 49 (type EQUN) for RobotManipulation-PT-05000-UpperBounds-04 (obsolete)
lola: LAUNCH task # 62 (type EXCL) for 18 RobotManipulation-PT-05000-UpperBounds-06
lola: time limit : 138 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 54 (type FNDP) for 3 RobotManipulation-PT-05000-UpperBounds-01
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: REPORT NUM
lola: LAUNCH task # 55 (type EQUN) for 3 RobotManipulation-PT-05000-UpperBounds-01
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 51 (type FNDP) for RobotManipulation-PT-05000-UpperBounds-02
lola: fired transitions : 9999
lola: tried executions : 1
lola: time used : 0.000000
lola: LAUNCH task # 72 (type FNDP) for 24 RobotManipulation-PT-05000-UpperBounds-08
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Structural Bound: 10001
lola: REPORT NUM
lola: FINISHED task # 72 (type FNDP) for RobotManipulation-PT-05000-UpperBounds-08
lola: fired transitions : 9999
lola: tried executions : 1
lola: time used : 0.000000
lola: LAUNCH task # 58 (type FNDP) for 0 RobotManipulation-PT-05000-UpperBounds-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
sara: try reading problem file /home/mcc/execution/UpperBounds-55.sara.
sara: try reading problem file /home/mcc/execution/UpperBounds-49.sara.
sara: place or transition ordering is non-deterministic
lola: REPORT NUM
lola: FINISHED task # 62 (type EXCL) for RobotManipulation-PT-05000-UpperBounds-06
lola: markings : 10002
lola: fired transitions : 10001
lola: time used : 0.000000
lola: memory pages used : 1
lola: REPORT NUM
lola: LAUNCH task # 95 (type EXCL) for 42 RobotManipulation-PT-05000-UpperBounds-14
lola: time limit : 171 sec
lola: memory limit: 32 pages
lola: FINISHED task # 58 (type FNDP) for RobotManipulation-PT-05000-UpperBounds-00
lola: fired transitions : 39999
lola: tried executions : 1
lola: time used : 0.000000
lola: LAUNCH task # 63 (type FNDP) for 33 RobotManipulation-PT-05000-UpperBounds-11
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Structural Bound: 10000
lola: REPORT NUM
lola: FINISHED task # 95 (type EXCL) for RobotManipulation-PT-05000-UpperBounds-14
lola: markings : 20001
lola: fired transitions : 20000
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 92 (type EXCL) for 45 RobotManipulation-PT-05000-UpperBounds-15
lola: time limit : 200 sec
lola: memory limit: 32 pages
lola: REPORT NUM
lola: FINISHED task # 63 (type FNDP) for RobotManipulation-PT-05000-UpperBounds-11
lola: fired transitions : 29999
lola: tried executions : 1
lola: time used : 0.000000
lola: LAUNCH task # 66 (type FNDP) for 30 RobotManipulation-PT-05000-UpperBounds-10
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Structural Bound: 10000
lola: REPORT NUM
lola: FINISHED task # 66 (type FNDP) for RobotManipulation-PT-05000-UpperBounds-10
lola: tried executions : 1
lola: time used : 0.000000
lola: LAUNCH task # 69 (type FNDP) for 15 RobotManipulation-PT-05000-UpperBounds-05
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: REPORT NUM
lola: FINISHED task # 69 (type FNDP) for RobotManipulation-PT-05000-UpperBounds-05
lola: tried executions : 1
lola: time used : 0.000000
lola: LAUNCH task # 75 (type FNDP) for 9 RobotManipulation-PT-05000-UpperBounds-03
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: REPORT NUM
lola: FINISHED task # 75 (type FNDP) for RobotManipulation-PT-05000-UpperBounds-03
lola: fired transitions : 10000
lola: tried executions : 1
lola: time used : 1.000000
lola: LAUNCH task # 78 (type FNDP) for 21 RobotManipulation-PT-05000-UpperBounds-07
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: REPORT NUM
lola: FINISHED task # 92 (type EXCL) for RobotManipulation-PT-05000-UpperBounds-15
lola: markings : 40001
lola: fired transitions : 40000
lola: time used : 1.000000
lola: memory pages used : 1
lola: LAUNCH task # 89 (type EXCL) for 36 RobotManipulation-PT-05000-UpperBounds-12
lola: time limit : 399 sec
lola: memory limit: 32 pages
lola: Structural Bound: 10001
lola: REPORT NUM
lola: FINISHED task # 89 (type EXCL) for RobotManipulation-PT-05000-UpperBounds-12
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 86 (type EXCL) for 27 RobotManipulation-PT-05000-UpperBounds-09
lola: time limit : 514 sec
lola: memory limit: 32 pages
lola: REPORT NUM
lola: FINISHED task # 78 (type FNDP) for RobotManipulation-PT-05000-UpperBounds-07
lola: fired transitions : 19999
lola: tried executions : 1
lola: time used : 0.000000
lola: LAUNCH task # 82 (type FNDP) for 39 RobotManipulation-PT-05000-UpperBounds-13
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Structural Bound: 10000
lola: REPORT NUM
lola: FINISHED task # 86 (type EXCL) for RobotManipulation-PT-05000-UpperBounds-09
lola: markings : 50001
lola: fired transitions : 59999
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 84 (type EXCL) for 39 RobotManipulation-PT-05000-UpperBounds-13
lola: time limit : 1199 sec
lola: memory limit: 32 pages
lola: REPORT NUM
lola: FINISHED task # 82 (type FNDP) for RobotManipulation-PT-05000-UpperBounds-13
lola: fired transitions : 39999
lola: tried executions : 1
lola: time used : 0.000000
lola: CANCELED task # 84 (type EXCL) for RobotManipulation-PT-05000-UpperBounds-13 (obsolete)
lola: LAUNCH task # 56 (type EXCL) for 3 RobotManipulation-PT-05000-UpperBounds-01
lola: time limit : 3599 sec
lola: memory limit: 32 pages
lola: Structural Bound: 10000
lola: REPORT NUM
lola: FINISHED task # 56 (type EXCL) for RobotManipulation-PT-05000-UpperBounds-01
lola: markings : 50001
lola: fired transitions : 59999
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 54 (type FNDP) for RobotManipulation-PT-05000-UpperBounds-01 (obsolete)
lola: CANCELED task # 55 (type EQUN) for RobotManipulation-PT-05000-UpperBounds-01 (obsolete)
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
RobotManipulation-PT-05000-UpperBounds-00: BOUND 10000 findpath
RobotManipulation-PT-05000-UpperBounds-01: BOUND 10000 state space
RobotManipulation-PT-05000-UpperBounds-02: BOUND 10000 findpath
RobotManipulation-PT-05000-UpperBounds-03: BOUND 10001 findpath
RobotManipulation-PT-05000-UpperBounds-04: BOUND 10000 state space
RobotManipulation-PT-05000-UpperBounds-05: BOUND 10000 findpath
RobotManipulation-PT-05000-UpperBounds-06: BOUND 10001 state space
RobotManipulation-PT-05000-UpperBounds-07: BOUND 10000 findpath
RobotManipulation-PT-05000-UpperBounds-08: BOUND 10000 findpath
RobotManipulation-PT-05000-UpperBounds-09: BOUND 10000 state space
RobotManipulation-PT-05000-UpperBounds-10: BOUND 10000 findpath
RobotManipulation-PT-05000-UpperBounds-11: BOUND 10000 findpath
RobotManipulation-PT-05000-UpperBounds-12: BOUND 10001 state space
RobotManipulation-PT-05000-UpperBounds-13: BOUND 10000 findpath
RobotManipulation-PT-05000-UpperBounds-14: BOUND 10000 state space
RobotManipulation-PT-05000-UpperBounds-15: BOUND 10000 state space


Time elapsed: 1 secs. Pages in use: 1

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-05000"
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 2-5348"
echo " Executing tool lola"
echo " Input is RobotManipulation-PT-05000, 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 r358-smll-167891807200093"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RobotManipulation-PT-05000.tgz
mv RobotManipulation-PT-05000 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 ;