fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r510-tall-167912734600372
Last Updated
May 14, 2023

About the Execution of 2022-gold for Szymanski-PT-b12

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1777.468 3591506.00 9857518.00 5385.70 TTTTFFTFTTTFT?TT 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.r510-tall-167912734600372.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 gold2022
Input is Szymanski-PT-b12, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r510-tall-167912734600372
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.1M
-rw-r--r-- 1 mcc users 6.7K Feb 26 17:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K Feb 26 17:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 26 17:00 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Feb 26 17:00 CTLFireability.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 17:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 17:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 17:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.7M Mar 5 18:23 model.pnml
-rw-r--r-- 1 mcc users 16K Feb 26 17:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 173K Feb 26 17:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K Feb 26 17:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K Feb 26 17:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:19 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 Szymanski-PT-b12-ReachabilityFireability-00
FORMULA_NAME Szymanski-PT-b12-ReachabilityFireability-01
FORMULA_NAME Szymanski-PT-b12-ReachabilityFireability-02
FORMULA_NAME Szymanski-PT-b12-ReachabilityFireability-03
FORMULA_NAME Szymanski-PT-b12-ReachabilityFireability-04
FORMULA_NAME Szymanski-PT-b12-ReachabilityFireability-05
FORMULA_NAME Szymanski-PT-b12-ReachabilityFireability-06
FORMULA_NAME Szymanski-PT-b12-ReachabilityFireability-07
FORMULA_NAME Szymanski-PT-b12-ReachabilityFireability-08
FORMULA_NAME Szymanski-PT-b12-ReachabilityFireability-09
FORMULA_NAME Szymanski-PT-b12-ReachabilityFireability-10
FORMULA_NAME Szymanski-PT-b12-ReachabilityFireability-11
FORMULA_NAME Szymanski-PT-b12-ReachabilityFireability-12
FORMULA_NAME Szymanski-PT-b12-ReachabilityFireability-13
FORMULA_NAME Szymanski-PT-b12-ReachabilityFireability-14
FORMULA_NAME Szymanski-PT-b12-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1679368919681

gold2022
Got BK_BIN_PATH=/home/mcc/BenchKit/bin/
---> gold2022 --- 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 ReachabilityFireability *
**********************************************
TEMPDIR=/home/mcc/BenchKit/bin/tmp
QF=/home/mcc/BenchKit/bin/tmp/tmp.GjfqjW7i92
MF=/home/mcc/BenchKit/bin/tmp/tmp.tgaXQlK9A0
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 ./ReachabilityFireability.xml
CPN OverApproximation is only usable on colored models
Time left: 3590
---------------------------------------------------
Step 0: Parallel Simplification
---------------------------------------------------
Doing parallel simplification (16 in total)
Total simplification timout is 718 -- reduction timeout is 299
timeout 3590 /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.GjfqjW7i92 --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.tgaXQlK9A0 -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./ReachabilityFireability.xml

Time left: 2870

---------------------------------------------------
Step 1: Parallel processing
---------------------------------------------------
Doing parallel verification of individual queries (16 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 0.00497 on verification
@@@0.51,32480@@@
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.tgaXQlK9A0 /home/mcc/BenchKit/bin/tmp/tmp.GjfqjW7i92 --binary-query-io 1 -x 1 -n

FORMULA Szymanski-PT-b12-ReachabilityFireability-01 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2869
------------------- QUERY 2 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is satisfied.

Spent 0.029897 on verification
@@@0.56,31612@@@
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.tgaXQlK9A0 /home/mcc/BenchKit/bin/tmp/tmp.GjfqjW7i92 --binary-query-io 1 -x 2 -n

FORMULA Szymanski-PT-b12-ReachabilityFireability-02 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2868
------------------- QUERY 3 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is satisfied.

Spent 0.036134 on verification
@@@0.54,32560@@@
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.tgaXQlK9A0 /home/mcc/BenchKit/bin/tmp/tmp.GjfqjW7i92 --binary-query-io 1 -x 3 -n

FORMULA Szymanski-PT-b12-ReachabilityFireability-06 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2867
------------------- QUERY 4 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is satisfied.

Spent 29.4257 on verification
@@@29.96,31784@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.tgaXQlK9A0 /home/mcc/BenchKit/bin/tmp/tmp.GjfqjW7i92 --binary-query-io 1 -x 4 -n

FORMULA Szymanski-PT-b12-ReachabilityFireability-08 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2837
------------------- QUERY 5 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is satisfied.

Spent 0.004899 on verification
@@@0.30,32576@@@
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.tgaXQlK9A0 /home/mcc/BenchKit/bin/tmp/tmp.GjfqjW7i92 --binary-query-io 1 -x 5 -n

FORMULA Szymanski-PT-b12-ReachabilityFireability-10 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2837
------------------- QUERY 6 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is satisfied.

Spent 39.0666 on verification
@@@39.56,31824@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.tgaXQlK9A0 /home/mcc/BenchKit/bin/tmp/tmp.GjfqjW7i92 --binary-query-io 1 -x 6 -n

FORMULA Szymanski-PT-b12-ReachabilityFireability-12 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2797
------------------- QUERY 7 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is satisfied.

Spent 0.128816 on verification
@@@0.64,32664@@@
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.tgaXQlK9A0 /home/mcc/BenchKit/bin/tmp/tmp.GjfqjW7i92 --binary-query-io 1 -x 7 -n

FORMULA Szymanski-PT-b12-ReachabilityFireability-14 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2796
------------------- QUERY 8 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is NOT satisfied.

Spent 6.14339 on verification
@@@6.64,32600@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.tgaXQlK9A0 /home/mcc/BenchKit/bin/tmp/tmp.GjfqjW7i92 --binary-query-io 1 -x 8 -n

FORMULA Szymanski-PT-b12-ReachabilityFireability-05 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2789
------------------- QUERY 9 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is NOT satisfied.

Spent 9.48101 on verification
@@@10.06,32260@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.tgaXQlK9A0 /home/mcc/BenchKit/bin/tmp/tmp.GjfqjW7i92 --binary-query-io 1 -x 9 -n

FORMULA Szymanski-PT-b12-ReachabilityFireability-04 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2779
------------------- QUERY 10 ----------------------
No solution found



Time left: 2521
------------------- QUERY 11 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is satisfied.

Spent 87.0346 on verification
@@@87.59,31820@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.tgaXQlK9A0 /home/mcc/BenchKit/bin/tmp/tmp.GjfqjW7i92 --binary-query-io 1 -x 11 -n

FORMULA Szymanski-PT-b12-ReachabilityFireability-15 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2433
------------------- QUERY 12 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is satisfied.

Spent 140.428 on verification
@@@140.94,57224@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.tgaXQlK9A0 /home/mcc/BenchKit/bin/tmp/tmp.GjfqjW7i92 --binary-query-io 1 -x 12 -n

FORMULA Szymanski-PT-b12-ReachabilityFireability-00 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2292
------------------- QUERY 13 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is NOT satisfied.

Spent 41.0891 on verification
@@@41.60,31700@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.tgaXQlK9A0 /home/mcc/BenchKit/bin/tmp/tmp.GjfqjW7i92 --binary-query-io 1 -x 13 -n

FORMULA Szymanski-PT-b12-ReachabilityFireability-07 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2250
------------------- QUERY 14 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is NOT satisfied.

Spent 2.49119 on verification
@@@2.98,32008@@@
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.tgaXQlK9A0 /home/mcc/BenchKit/bin/tmp/tmp.GjfqjW7i92 --binary-query-io 1 -x 14 -n

FORMULA Szymanski-PT-b12-ReachabilityFireability-11 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2247
------------------- QUERY 15 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is satisfied.

Spent 127.433 on verification
@@@128.19,37860@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.tgaXQlK9A0 /home/mcc/BenchKit/bin/tmp/tmp.GjfqjW7i92 --binary-query-io 1 -x 15 -n

FORMULA Szymanski-PT-b12-ReachabilityFireability-09 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2119
------------------- QUERY 16 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is satisfied.

Spent 0.751189 on verification
@@@1.04,31624@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.tgaXQlK9A0 /home/mcc/BenchKit/bin/tmp/tmp.GjfqjW7i92 --binary-query-io 1 -x 16 -n

FORMULA Szymanski-PT-b12-ReachabilityFireability-03 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 2117
---------------------------------------------------
Step 2: Sequential processing
---------------------------------------------------
Remaining 1 queries are verified sequentially.
Each query is verified for a dynamic timeout (at least 598 seconds)
Time left: 2117
------------------- QUERY 10 ----------------------
Running query 10 for 2117 seconds. Remaining: 1 queries and 2117 seconds
No solution found



Time left: -2
Out of time, terminating!
terminated-with-cleanup

BK_STOP 1679372511187

--------------------
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="Szymanski-PT-b12"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="gold2022"
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 gold2022"
echo " Input is Szymanski-PT-b12, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r510-tall-167912734600372"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b12.tgz
mv Szymanski-PT-b12 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;