Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r512-smll-171654406700022.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is ParamProductionCell-PT-1, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r512-smll-171654406700022
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 752K
-rw-r--r-- 1 mcc users 8.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.2K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.2K Apr 23 07:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 23 07:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Apr 23 07:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 23 07:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 20K Apr 12 20:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 183K Apr 12 20:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 16K Apr 12 20:33 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 112K Apr 12 20:33 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 23 07:41 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Apr 23 07:41 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 2 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 174K May 18 16:43 model.pnml

--------------------
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 ParamProductionCell-PT-1-ReachabilityCardinality-2024-00
FORMULA_NAME ParamProductionCell-PT-1-ReachabilityCardinality-2024-01
FORMULA_NAME ParamProductionCell-PT-1-ReachabilityCardinality-2024-02
FORMULA_NAME ParamProductionCell-PT-1-ReachabilityCardinality-2024-03
FORMULA_NAME ParamProductionCell-PT-1-ReachabilityCardinality-2024-04
FORMULA_NAME ParamProductionCell-PT-1-ReachabilityCardinality-2024-05
FORMULA_NAME ParamProductionCell-PT-1-ReachabilityCardinality-2024-06
FORMULA_NAME ParamProductionCell-PT-1-ReachabilityCardinality-2024-07
FORMULA_NAME ParamProductionCell-PT-1-ReachabilityCardinality-2024-08
FORMULA_NAME ParamProductionCell-PT-1-ReachabilityCardinality-2024-09
FORMULA_NAME ParamProductionCell-PT-1-ReachabilityCardinality-2024-10
FORMULA_NAME ParamProductionCell-PT-1-ReachabilityCardinality-2024-11
FORMULA_NAME ParamProductionCell-PT-1-ReachabilityCardinality-2024-12
FORMULA_NAME ParamProductionCell-PT-1-ReachabilityCardinality-2024-13
FORMULA_NAME ParamProductionCell-PT-1-ReachabilityCardinality-2024-14
FORMULA_NAME ParamProductionCell-PT-1-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1717243045803

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ParamProductionCell-PT-1
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 11:57:28] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2024-06-01 11:57:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 11:57:28] [INFO ] Load time of PNML (sax parser for PT used): 317 ms
[2024-06-01 11:57:28] [INFO ] Transformed 231 places.
[2024-06-01 11:57:28] [INFO ] Transformed 202 transitions.
[2024-06-01 11:57:28] [INFO ] Found NUPN structural information;
[2024-06-01 11:57:28] [INFO ] Parsed PT model containing 231 places and 202 transitions and 846 arcs in 613 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 64 ms.
Working with output stream class java.io.PrintStream
FORMULA ParamProductionCell-PT-1-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ParamProductionCell-PT-1-ReachabilityCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ParamProductionCell-PT-1-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ParamProductionCell-PT-1-ReachabilityCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ParamProductionCell-PT-1-ReachabilityCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ParamProductionCell-PT-1-ReachabilityCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ParamProductionCell-PT-1-ReachabilityCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8 resets) in 3037 ms. (13 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40000 steps (8 resets) in 1048 ms. (38 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (8 resets) in 380 ms. (104 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (8 resets) in 275 ms. (144 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (8 resets) in 290 ms. (137 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 228 ms. (174 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 706 ms. (56 steps per ms) remains 8/9 properties
FORMULA ParamProductionCell-PT-1-ReachabilityCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40002 steps (8 resets) in 910 ms. (43 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (8 resets) in 1015 ms. (39 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (8 resets) in 222 ms. (179 steps per ms) remains 7/8 properties
FORMULA ParamProductionCell-PT-1-ReachabilityCardinality-2024-12 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
// Phase 1: matrix 202 rows 231 cols
[2024-06-01 11:57:31] [INFO ] Computed 59 invariants in 22 ms
[2024-06-01 11:57:31] [INFO ] State equation strengthened by 68 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/113 variables, 113/113 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/113 variables, 3/116 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 100/213 variables, 30/147 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/213 variables, 100/247 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 7/254 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 1/214 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem ParamProductionCell-PT-1-ReachabilityCardinality-2024-06 is UNSAT
FORMULA ParamProductionCell-PT-1-ReachabilityCardinality-2024-06 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 11 (OVERLAPS) 15/229 variables, 16/272 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/229 variables, 15/287 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/229 variables, 0/287 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 200/429 variables, 229/516 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/429 variables, 65/581 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/429 variables, 0/581 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 2/431 variables, 3/584 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/431 variables, 0/584 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 19 (OVERLAPS) 2/433 variables, 2/586 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/433 variables, 2/588 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/433 variables, 1/589 constraints. Problems are: Problem set: 1 solved, 6 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/433 variables, and 589 constraints, problems are : Problem set: 1 solved, 6 unsolved in 5066 ms.
Refiners :[Domain max(s): 231/231 constraints, Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 68/68 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 110/110 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 3/113 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/113 constraints. Problems are: Problem set: 1 solved, 6 unsolved
Problem ParamProductionCell-PT-1-ReachabilityCardinality-2024-13 is UNSAT
FORMULA ParamProductionCell-PT-1-ReachabilityCardinality-2024-13 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 101/211 variables, 30/143 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/211 variables, 101/244 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/211 variables, 6/250 constraints. Problems are: Problem set: 2 solved, 5 unsolved
[2024-06-01 11:57:37] [INFO ] Deduced a trap composed of 5 places in 177 ms of which 36 ms to minimize.
[2024-06-01 11:57:37] [INFO ] Deduced a trap composed of 8 places in 124 ms of which 3 ms to minimize.
[2024-06-01 11:57:37] [INFO ] Deduced a trap composed of 12 places in 99 ms of which 2 ms to minimize.
[2024-06-01 11:57:37] [INFO ] Deduced a trap composed of 7 places in 52 ms of which 2 ms to minimize.
[2024-06-01 11:57:37] [INFO ] Deduced a trap composed of 8 places in 48 ms of which 1 ms to minimize.
[2024-06-01 11:57:38] [INFO ] Deduced a trap composed of 8 places in 118 ms of which 3 ms to minimize.
[2024-06-01 11:57:38] [INFO ] Deduced a trap composed of 42 places in 116 ms of which 3 ms to minimize.
[2024-06-01 11:57:38] [INFO ] Deduced a trap composed of 10 places in 110 ms of which 4 ms to minimize.
[2024-06-01 11:57:38] [INFO ] Deduced a trap composed of 41 places in 183 ms of which 3 ms to minimize.
[2024-06-01 11:57:38] [INFO ] Deduced a trap composed of 8 places in 79 ms of which 2 ms to minimize.
[2024-06-01 11:57:38] [INFO ] Deduced a trap composed of 5 places in 188 ms of which 4 ms to minimize.
[2024-06-01 11:57:39] [INFO ] Deduced a trap composed of 10 places in 157 ms of which 3 ms to minimize.
[2024-06-01 11:57:39] [INFO ] Deduced a trap composed of 6 places in 116 ms of which 4 ms to minimize.
[2024-06-01 11:57:39] [INFO ] Deduced a trap composed of 23 places in 56 ms of which 2 ms to minimize.
[2024-06-01 11:57:39] [INFO ] Deduced a trap composed of 45 places in 143 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/211 variables, 15/265 constraints. Problems are: Problem set: 2 solved, 5 unsolved
[2024-06-01 11:57:39] [INFO ] Deduced a trap composed of 22 places in 115 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/211 variables, 1/266 constraints. Problems are: Problem set: 2 solved, 5 unsolved
[2024-06-01 11:57:39] [INFO ] Deduced a trap composed of 21 places in 102 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/211 variables, 1/267 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/211 variables, 0/267 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 1/212 variables, 1/268 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/212 variables, 1/269 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/212 variables, 0/269 constraints. Problems are: Problem set: 2 solved, 5 unsolved
Problem ParamProductionCell-PT-1-ReachabilityCardinality-2024-01 is UNSAT
FORMULA ParamProductionCell-PT-1-ReachabilityCardinality-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
Problem ParamProductionCell-PT-1-ReachabilityCardinality-2024-07 is UNSAT
FORMULA ParamProductionCell-PT-1-ReachabilityCardinality-2024-07 TRUE TECHNIQUES SMT_REFINEMENT
Problem ParamProductionCell-PT-1-ReachabilityCardinality-2024-08 is UNSAT
FORMULA ParamProductionCell-PT-1-ReachabilityCardinality-2024-08 TRUE TECHNIQUES SMT_REFINEMENT
Problem ParamProductionCell-PT-1-ReachabilityCardinality-2024-15 is UNSAT
FORMULA ParamProductionCell-PT-1-ReachabilityCardinality-2024-15 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 13 (OVERLAPS) 17/229 variables, 18/287 constraints. Problems are: Problem set: 6 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/229 variables, 17/304 constraints. Problems are: Problem set: 6 solved, 1 unsolved
[2024-06-01 11:57:40] [INFO ] Deduced a trap composed of 21 places in 89 ms of which 2 ms to minimize.
[2024-06-01 11:57:40] [INFO ] Deduced a trap composed of 8 places in 99 ms of which 3 ms to minimize.
Problem ParamProductionCell-PT-1-ReachabilityCardinality-2024-10 is UNSAT
FORMULA ParamProductionCell-PT-1-ReachabilityCardinality-2024-10 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 229/433 variables, and 306 constraints, problems are : Problem set: 7 solved, 0 unsolved in 3437 ms.
Refiners :[Domain max(s): 229/231 constraints, Positive P Invariants (semi-flows): 34/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 0/231 constraints, ReadFeed: 0/68 constraints, PredecessorRefiner: 0/7 constraints, Known Traps: 19/19 constraints]
After SMT, in 8660ms problems are : Problem set: 7 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
All properties solved without resorting to model-checking.
Total runtime 12401 ms.
ITS solved all properties within timeout

BK_STOP 1717243060638

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -timeout 360 -rebuildPNML

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="ParamProductionCell-PT-1"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is ParamProductionCell-PT-1, 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 r512-smll-171654406700022"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ParamProductionCell-PT-1.tgz
mv ParamProductionCell-PT-1 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 ;