Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r242-tall-174915594600884.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool tapaal
Input is UtilityControlRoom-PT-Z4T4N06, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r242-tall-174915594600884
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.1M
-rw-r--r-- 1 mcc users 41K May 29 14:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 215K May 29 14:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 100K May 29 14:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 380K May 29 14:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 52K May 29 14:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 27K May 29 14:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 89K May 29 14:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 88K May 29 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 432K May 29 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 86K May 29 14:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 369K May 29 14:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 4.5K May 29 14:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 9.9K May 29 14:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 8 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 191K May 29 14:33 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME UtilityControlRoom-PT-Z4T4N06-LTLFireability-00
FORMULA_NAME UtilityControlRoom-PT-Z4T4N06-LTLFireability-01
FORMULA_NAME UtilityControlRoom-PT-Z4T4N06-LTLFireability-02
FORMULA_NAME UtilityControlRoom-PT-Z4T4N06-LTLFireability-03
FORMULA_NAME UtilityControlRoom-PT-Z4T4N06-LTLFireability-04
FORMULA_NAME UtilityControlRoom-PT-Z4T4N06-LTLFireability-05
FORMULA_NAME UtilityControlRoom-PT-Z4T4N06-LTLFireability-06
FORMULA_NAME UtilityControlRoom-PT-Z4T4N06-LTLFireability-07
FORMULA_NAME UtilityControlRoom-PT-Z4T4N06-LTLFireability-08
FORMULA_NAME UtilityControlRoom-PT-Z4T4N06-LTLFireability-09
FORMULA_NAME UtilityControlRoom-PT-Z4T4N06-LTLFireability-10
FORMULA_NAME UtilityControlRoom-PT-Z4T4N06-LTLFireability-11
FORMULA_NAME UtilityControlRoom-PT-Z4T4N06-LTLFireability-12
FORMULA_NAME UtilityControlRoom-PT-Z4T4N06-LTLFireability-13
FORMULA_NAME UtilityControlRoom-PT-Z4T4N06-LTLFireability-14
FORMULA_NAME UtilityControlRoom-PT-Z4T4N06-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749302911167

tapaal
Got BK_BIN_PATH=/home/mcc/BenchKit/bin/
---> tapaal --- TAPAAL 2025-v2
Setting MODEL_PATH=.
Setting VERIFYPN=/home/mcc/BenchKit/bin/verifypn
Got BK_TIME_CONFINEMENT=3600
Setting TEMPDIR=/home/mcc/BenchKit/bin/tmp
Got BK_MEMORY_CONFINEMENT=16384
Limiting to 16265216 kB
Total timeout: 3590
Time left: 3590

*************************************
* TAPAAL verifying LTLFireability *
*************************************
TEMPDIR=/home/mcc/BenchKit/bin/tmp
QF=/home/mcc/BenchKit/bin/tmp/tmp.CA62rm7NKM
MF=/home/mcc/BenchKit/bin/tmp/tmp.0N2LjEG2ak
Time left: 3590
---------------------------------------------------
Step -1: Stripping Colors
---------------------------------------------------
Verifying stripped models (16 in total)

Time left: 3590
---------------------------------------------------
Step 0: Parallel Simplification
---------------------------------------------------
Doing parallel simplification (16 in total)
Total simplification timout is 718 -- reduction timeout is 299
timeout 1017 /home/mcc/BenchKit/bin/verifypn -n -ltl -q 718 -l 29 -d 299 -z 4 -s OverApprox --binary-query-io 2 --write-simplified /home/mcc/BenchKit/bin/tmp/tmp.CA62rm7NKM --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.0N2LjEG2ak -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./LTLFireability.xml

FORMULA UtilityControlRoom-PT-Z4T4N06-LTLFireability-12 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 12 was solved

Query is satisfied.
Solution found by parallel simplification (step 0)
Time left: 3491

---------------------------------------------------
Step 1: Parallel processing
---------------------------------------------------
Doing parallel verification of individual queries (15 in total)
Each query is verified by 4 parallel strategies for 299 seconds
------------------- QUERY 1 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.064684 on verification
@@@0.07,147684@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur dist -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.0N2LjEG2ak /home/mcc/BenchKit/bin/tmp/tmp.CA62rm7NKM --binary-query-io 1 -x 1 -n

FORMULA UtilityControlRoom-PT-Z4T4N06-LTLFireability-04 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3491
------------------- QUERY 2 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.053334 on verification
@@@0.06,149556@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur dist -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.0N2LjEG2ak /home/mcc/BenchKit/bin/tmp/tmp.CA62rm7NKM --binary-query-io 1 -x 2 -n

FORMULA UtilityControlRoom-PT-Z4T4N06-LTLFireability-00 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3490
------------------- QUERY 3 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.042956 on verification
@@@0.05,147580@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur dist -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.0N2LjEG2ak /home/mcc/BenchKit/bin/tmp/tmp.CA62rm7NKM --binary-query-io 1 -x 3 -n

FORMULA UtilityControlRoom-PT-Z4T4N06-LTLFireability-13 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3490
------------------- QUERY 4 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.008326 on verification
@@@0.02,19624@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl ndfs -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.0N2LjEG2ak /home/mcc/BenchKit/bin/tmp/tmp.CA62rm7NKM --binary-query-io 1 -x 4 -n

FORMULA UtilityControlRoom-PT-Z4T4N06-LTLFireability-10 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3490
------------------- QUERY 5 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
FORMULA UtilityControlRoom-PT-Z4T4N06-LTLFireability-08 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC LOGFIRECOUNT_HEUR(5000) OPTIM-1

Query index 0 was solved
Query is NOT satisfied.
Spent 0.009203 on verification
@@@0.04,19712@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl ndfs -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.0N2LjEG2ak /home/mcc/BenchKit/bin/tmp/tmp.CA62rm7NKM --binary-query-io 1 -x 5 -n
Spent 0.044804 on verification
@@@0.05,147624@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur fire-count -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.0N2LjEG2ak /home/mcc/BenchKit/bin/tmp/tmp.CA62rm7NKM --binary-query-io 1 -x 5 -n

FORMULA UtilityControlRoom-PT-Z4T4N06-LTLFireability-08 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3490
------------------- QUERY 6 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.044286 on verification
@@@0.05,148220@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur dist -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.0N2LjEG2ak /home/mcc/BenchKit/bin/tmp/tmp.CA62rm7NKM --binary-query-io 1 -x 6 -n

FORMULA UtilityControlRoom-PT-Z4T4N06-LTLFireability-09 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3489
------------------- QUERY 7 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.044583 on verification
@@@0.05,148340@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur dist -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.0N2LjEG2ak /home/mcc/BenchKit/bin/tmp/tmp.CA62rm7NKM --binary-query-io 1 -x 7 -n

FORMULA UtilityControlRoom-PT-Z4T4N06-LTLFireability-15 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3489
------------------- QUERY 8 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.044672 on verification
@@@0.05,148756@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur dist -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.0N2LjEG2ak /home/mcc/BenchKit/bin/tmp/tmp.CA62rm7NKM --binary-query-io 1 -x 8 -n

FORMULA UtilityControlRoom-PT-Z4T4N06-LTLFireability-14 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3489
------------------- QUERY 9 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.047419 on verification
@@@0.06,149584@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur aut -s DFS -p -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.0N2LjEG2ak /home/mcc/BenchKit/bin/tmp/tmp.CA62rm7NKM --binary-query-io 1 -x 9 -n

FORMULA UtilityControlRoom-PT-Z4T4N06-LTLFireability-11 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP OPTIM-1
Time left: 3489
------------------- QUERY 10 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.043846 on verification
@@@0.05,147812@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur dist -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.0N2LjEG2ak /home/mcc/BenchKit/bin/tmp/tmp.CA62rm7NKM --binary-query-io 1 -x 10 -n

FORMULA UtilityControlRoom-PT-Z4T4N06-LTLFireability-03 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3488
------------------- QUERY 11 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.042785 on verification
@@@0.05,147640@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur dist -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.0N2LjEG2ak /home/mcc/BenchKit/bin/tmp/tmp.CA62rm7NKM --binary-query-io 1 -x 11 -n

FORMULA UtilityControlRoom-PT-Z4T4N06-LTLFireability-01 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3488
------------------- QUERY 12 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.009863 on verification
@@@0.02,20848@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl ndfs -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.0N2LjEG2ak /home/mcc/BenchKit/bin/tmp/tmp.CA62rm7NKM --binary-query-io 1 -x 12 -n

FORMULA UtilityControlRoom-PT-Z4T4N06-LTLFireability-06 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3488
------------------- QUERY 13 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.04828 on verification
@@@0.05,149640@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur dist -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.0N2LjEG2ak /home/mcc/BenchKit/bin/tmp/tmp.CA62rm7NKM --binary-query-io 1 -x 13 -n

FORMULA UtilityControlRoom-PT-Z4T4N06-LTLFireability-07 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3488
------------------- QUERY 14 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.079132 on verification
@@@0.09,149296@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur aut -s DFS -p -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.0N2LjEG2ak /home/mcc/BenchKit/bin/tmp/tmp.CA62rm7NKM --binary-query-io 1 -x 14 -n

FORMULA UtilityControlRoom-PT-Z4T4N06-LTLFireability-05 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP OPTIM-1
Time left: 3487
------------------- QUERY 15 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.046203 on verification
@@@0.05,148504@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur fire-count -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.0N2LjEG2ak /home/mcc/BenchKit/bin/tmp/tmp.CA62rm7NKM --binary-query-io 1 -x 15 -n
FORMULA UtilityControlRoom-PT-Z4T4N06-LTLFireability-02 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1

Query index 0 was solved
Query is NOT satisfied.
Spent 0.009025 on verification
@@@0.02,20596@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl ndfs -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.0N2LjEG2ak /home/mcc/BenchKit/bin/tmp/tmp.CA62rm7NKM --binary-query-io 1 -x 15 -n

FORMULA UtilityControlRoom-PT-Z4T4N06-LTLFireability-02 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC LOGFIRECOUNT_HEUR(5000) OPTIM-1
Time left: 3487
All queries are solved
Time left: 3487
terminated-with-cleanup

BK_STOP 1749303014364

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

ERROR: A query could not be translated from CTL* to CTL.

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="UtilityControlRoom-PT-Z4T4N06"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="tapaal"
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 2-5832"
echo " Executing tool tapaal"
echo " Input is UtilityControlRoom-PT-Z4T4N06, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r242-tall-174915594600884"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtilityControlRoom-PT-Z4T4N06.tgz
mv UtilityControlRoom-PT-Z4T4N06 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;