fond
Model Checking Contest 2022
12th edition, Bergen, Norway, June 21, 2022
Execution of r075-tall-165260107300622
Last Updated
Jun 22, 2022

About the Execution of Tapaal for FamilyReunion-COL-L00010M0001C001P001G001

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
5200.056 721327.00 727691.00 67.60 TTTTTTFTTFFTFTFT normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2022-input.r075-tall-165260107300622.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-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 tapaal
Input is FamilyReunion-COL-L00010M0001C001P001G001, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r075-tall-165260107300622
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 596K
-rw-r--r-- 1 mcc users 7.7K Apr 30 08:15 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K Apr 30 08:15 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.1K Apr 30 08:12 CTLFireability.txt
-rw-r--r-- 1 mcc users 71K Apr 30 08:12 CTLFireability.xml
-rw-r--r-- 1 mcc users 5 May 10 09:33 equiv_pt
-rw-r--r-- 1 mcc users 4.2K May 10 09:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 7.0K May 10 09:33 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 24 May 10 09:33 instance
-rw-r--r-- 1 mcc users 5 May 10 09:33 iscolored
-rw-r--r-- 1 mcc users 3.9K May 9 07:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 9 07:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K May 9 07:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 9 07:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 134K May 10 09:33 model.pnml
-rw-r--r-- 1 mcc users 9.7K Apr 30 08:19 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 99K Apr 30 08:19 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K Apr 30 08:17 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 62K Apr 30 08:17 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K May 9 07:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 9 07:47 UpperBounds.xml

--------------------
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 FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-00
FORMULA_NAME FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-01
FORMULA_NAME FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-02
FORMULA_NAME FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-03
FORMULA_NAME FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-04
FORMULA_NAME FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-05
FORMULA_NAME FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-06
FORMULA_NAME FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-07
FORMULA_NAME FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-08
FORMULA_NAME FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-09
FORMULA_NAME FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-10
FORMULA_NAME FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-11
FORMULA_NAME FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-12
FORMULA_NAME FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-13
FORMULA_NAME FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-14
FORMULA_NAME FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1654197416695

tapaal
Got BK_BIN_PATH=/home/mcc/BenchKit/bin/
---> tapaal --- TAPAAL v5
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 ReachabilityCardinality *
**********************************************
TEMPDIR=/home/mcc/BenchKit/bin/tmp
QF=/home/mcc/BenchKit/bin/tmp/tmp.ZnowRkjrTP
MF=/home/mcc/BenchKit/bin/tmp/tmp.cOoW4mk4z2
Time left: 3590
---------------------------------------------------
Step -1: Stripping Colors
---------------------------------------------------
Verifying stripped models (16 in total)
/home/mcc/BenchKit/bin/verifypn -n -c -q 718 -l 29 -d 299 -z 4 -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./ReachabilityCardinality.xml
Solution found by stripping colors (step -1) for query index 0
Solution found by stripping colors (step -1) for query index 1
Solution found by stripping colors (step -1) for query index 2
Solution found by stripping colors (step -1) for query index 5
Solution found by stripping colors (step -1) for query index 7
Solution found by stripping colors (step -1) for query index 8
Solution found by stripping colors (step -1) for query index 15

FORMULA FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-00 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX CPN_APPROX
Query index 0 was solved

Query is satisfied.

Solved using CPN Approximation



FORMULA FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-01 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX CPN_APPROX
Query index 1 was solved

Query is satisfied.

Solved using CPN Approximation



FORMULA FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-02 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX CPN_APPROX
Query index 2 was solved

Query is satisfied.

Solved using CPN Approximation



FORMULA FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-05 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX CPN_APPROX
Query index 5 was solved

Query is satisfied.

Solved using CPN Approximation



FORMULA FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-07 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX CPN_APPROX
Query index 7 was solved

Query is satisfied.

Solved using CPN Approximation



FORMULA FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-08 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX CPN_APPROX
Query index 8 was solved

Query is satisfied.

Solved using CPN Approximation



FORMULA FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-15 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX CPN_APPROX
Query index 15 was solved

Query is satisfied.

Solved using CPN Approximation



Unable to decide if FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-06 is satisfied.

Query is MAYBE satisfied.


Unable to decide if FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-11 is satisfied.

Query is MAYBE satisfied.


Unable to decide if FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-14 is satisfied.

Query is MAYBE satisfied.


Unable to decide if FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-13 is satisfied.

Query is MAYBE satisfied.


Unable to decide if FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-09 is satisfied.

Query is MAYBE satisfied.


Unable to decide if FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-10 is satisfied.

Query is MAYBE satisfied.


Unable to decide if FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-04 is satisfied.

Query is MAYBE satisfied.


Unable to decide if FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-12 is satisfied.

Query is MAYBE satisfied.
Time left: 2871
---------------------------------------------------
Step 0: Parallel Simplification
---------------------------------------------------
Doing parallel simplification (9 in total)
Total simplification timout is 718 -- reduction timeout is 299
timeout 2871 /home/mcc/BenchKit/bin/verifypn -n -q 718 -l 29 -d 299 -z 4 -s OverApprox --binary-query-io 2 --write-simplified /home/mcc/BenchKit/bin/tmp/tmp.ZnowRkjrTP --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.cOoW4mk4z2 -x 4,5,7,10,11,12,13,14,15 ./model.pnml ./ReachabilityCardinality.xml

Time left: 2871

---------------------------------------------------
Step 1: Parallel processing
---------------------------------------------------
Doing parallel verification of individual queries (9 in total)
Each query is verified by 4 parallel strategies for 256 seconds
------------------- QUERY 1 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is satisfied.

Spent 0.002139 on verification
@@@0.02,8468@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ DFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.cOoW4mk4z2 /home/mcc/BenchKit/bin/tmp/tmp.ZnowRkjrTP --binary-query-io 1 -x 1 -n

FORMULA FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-11 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2870
------------------- QUERY 2 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is NOT satisfied.

Spent 0.001455 on verification
@@@0.01,8532@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ DFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.cOoW4mk4z2 /home/mcc/BenchKit/bin/tmp/tmp.ZnowRkjrTP --binary-query-io 1 -x 2 -n

FORMULA FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-09 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2870
------------------- QUERY 3 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is satisfied.

Spent 0.002412 on verification
@@@0.02,8628@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BestFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.cOoW4mk4z2 /home/mcc/BenchKit/bin/tmp/tmp.ZnowRkjrTP --binary-query-io 1 -x 3 -n

FORMULA FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-04 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2870
------------------- QUERY 4 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is NOT satisfied.

Spent 0.001319 on verification
@@@0.01,8472@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BestFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.cOoW4mk4z2 /home/mcc/BenchKit/bin/tmp/tmp.ZnowRkjrTP --binary-query-io 1 -x 4 -n

FORMULA FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-10 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2870
------------------- QUERY 5 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is NOT satisfied.

Spent 0.001383 on verification
@@@0.02,8592@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BestFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.cOoW4mk4z2 /home/mcc/BenchKit/bin/tmp/tmp.ZnowRkjrTP --binary-query-io 1 -x 5 -n

FORMULA FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-14 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2869
------------------- QUERY 6 ----------------------
Solution found by parallel processing (step 1)
Search strategy option was ignored as the TAR engine is called.
Query index 0 was solved

Query is NOT satisfied.


Solved using Trace Abstraction Refinement

Spent 0.004148 on verification
@@@0.01,7896@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.cOoW4mk4z2 /home/mcc/BenchKit/bin/tmp/tmp.ZnowRkjrTP --binary-query-io 1 -x 6 -n

FORMULA FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-06 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT TRACE_ABSTRACTION_REFINEMENT
Time left: 2869
------------------- QUERY 7 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is satisfied.

Spent 0.00225 on verification
@@@0.01,8528@@@
Query index 0 was solved

Query is satisfied.

Spent 0.002766 on verification
@@@0.02,8564@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BestFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.cOoW4mk4z2 /home/mcc/BenchKit/bin/tmp/tmp.ZnowRkjrTP --binary-query-io 1 -x 7 -n
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ DFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.cOoW4mk4z2 /home/mcc/BenchKit/bin/tmp/tmp.ZnowRkjrTP --binary-query-io 1 -x 7 -n

FORMULA FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-03 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2869
------------------- QUERY 8 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is satisfied.

Spent 0.004987 on verification
@@@0.02,8604@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BestFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.cOoW4mk4z2 /home/mcc/BenchKit/bin/tmp/tmp.ZnowRkjrTP --binary-query-io 1 -x 8 -n

FORMULA FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-13 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2869
------------------- QUERY 9 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is NOT satisfied.

Spent 0.006006 on verification
@@@0.01,8564@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ DFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.cOoW4mk4z2 /home/mcc/BenchKit/bin/tmp/tmp.ZnowRkjrTP --binary-query-io 1 -x 9 -n

FORMULA FamilyReunion-COL-L00010M0001C001P001G001-ReachabilityCardinality-12 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2868
All queries are solved
Time left: 2868
terminated-with-cleanup

BK_STOP 1654198138022

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

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="FamilyReunion-COL-L00010M0001C001P001G001"
export BK_EXAMINATION="ReachabilityCardinality"
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 2-4028"
echo " Executing tool tapaal"
echo " Input is FamilyReunion-COL-L00010M0001C001P001G001, 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 r075-tall-165260107300622"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FamilyReunion-COL-L00010M0001C001P001G001.tgz
mv FamilyReunion-COL-L00010M0001C001P001G001 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 ;