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.r480-tall-171624189600575.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)
.............................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is DBSingleClientW-PT-d2m07, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r480-tall-171624189600575
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 6.9K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 22 14:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Apr 12 12:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 110K Apr 12 12:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Apr 12 12:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Apr 12 12:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 19 07:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 19 15:24 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 6 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 1.6M May 18 16:42 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 DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-00
FORMULA_NAME DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-01
FORMULA_NAME DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-02
FORMULA_NAME DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-03
FORMULA_NAME DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-04
FORMULA_NAME DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-05
FORMULA_NAME DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-06
FORMULA_NAME DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-07
FORMULA_NAME DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-08
FORMULA_NAME DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-09
FORMULA_NAME DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-10
FORMULA_NAME DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-11
FORMULA_NAME DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-12
FORMULA_NAME DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-13
FORMULA_NAME DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-14
FORMULA_NAME DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1717190857795

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d2m07
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 21:27:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2024-05-31 21:27:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 21:27:39] [INFO ] Load time of PNML (sax parser for PT used): 306 ms
[2024-05-31 21:27:39] [INFO ] Transformed 4763 places.
[2024-05-31 21:27:39] [INFO ] Transformed 2478 transitions.
[2024-05-31 21:27:39] [INFO ] Parsed PT model containing 4763 places and 2478 transitions and 9912 arcs in 458 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 19 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 3580 places in 17 ms
Reduce places removed 3580 places and 0 transitions.
RANDOM walk for 40000 steps (9190 resets) in 3976 ms. (10 steps per ms) remains 15/16 properties
FORMULA DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 4003 steps (181 resets) in 57 ms. (69 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (187 resets) in 162 ms. (24 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (360 resets) in 70 ms. (56 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (189 resets) in 32 ms. (121 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (167 resets) in 36 ms. (108 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (175 resets) in 175 ms. (22 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (174 resets) in 35 ms. (111 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (383 resets) in 115 ms. (34 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (186 resets) in 93 ms. (42 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (165 resets) in 139 ms. (28 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (194 resets) in 35 ms. (111 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (388 resets) in 75 ms. (52 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (172 resets) in 34 ms. (114 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (189 resets) in 41 ms. (95 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4001 steps (391 resets) in 43 ms. (90 steps per ms) remains 15/15 properties
Interrupted probabilistic random walk after 197373 steps, run timeout after 3001 ms. (steps per millisecond=65 ) properties seen :7 out of 15
Probabilistic random walk after 197373 steps, saw 83294 distinct states, run finished after 3009 ms. (steps per millisecond=65 ) properties seen :7
FORMULA DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
// Phase 1: matrix 2478 rows 1183 cols
[2024-05-31 21:27:44] [INFO ] Computed 6 invariants in 152 ms
[2024-05-31 21:27:45] [INFO ] State equation strengthened by 1588 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 475/582 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/582 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 3/585 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/585 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-01 is UNSAT
FORMULA DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
Problem DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-07 is UNSAT
FORMULA DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-07 FALSE TECHNIQUES SMT_REFINEMENT
Problem DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-10 is UNSAT
FORMULA DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-10 FALSE TECHNIQUES SMT_REFINEMENT
Problem DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-14 is UNSAT
FORMULA DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-14 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 5 (OVERLAPS) 598/1183 variables, 4/6 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1183 variables, 0/6 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 2478/3661 variables, 1183/1189 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3661 variables, 1588/2777 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3661 variables, 0/2777 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 0/3661 variables, 0/2777 constraints. Problems are: Problem set: 4 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3661/3661 variables, and 2777 constraints, problems are : Problem set: 4 solved, 4 unsolved in 3270 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 1183/1183 constraints, ReadFeed: 1588/1588 constraints, PredecessorRefiner: 8/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 0/0 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 520/549 variables, 1/1 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/549 variables, 0/1 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 3/552 variables, 1/2 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/552 variables, 0/2 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 631/1183 variables, 4/6 constraints. Problems are: Problem set: 4 solved, 4 unsolved
[2024-05-31 21:27:49] [INFO ] Deduced a trap composed of 261 places in 829 ms of which 136 ms to minimize.
[2024-05-31 21:27:50] [INFO ] Deduced a trap composed of 685 places in 721 ms of which 9 ms to minimize.
[2024-05-31 21:27:51] [INFO ] Deduced a trap composed of 610 places in 698 ms of which 7 ms to minimize.
[2024-05-31 21:27:52] [INFO ] Deduced a trap composed of 141 places in 724 ms of which 8 ms to minimize.
[2024-05-31 21:27:52] [INFO ] Deduced a trap composed of 148 places in 626 ms of which 8 ms to minimize.
[2024-05-31 21:27:53] [INFO ] Deduced a trap composed of 138 places in 721 ms of which 8 ms to minimize.
[2024-05-31 21:27:54] [INFO ] Deduced a trap composed of 141 places in 727 ms of which 7 ms to minimize.
SMT process timed out in 9920ms, After SMT, problems are : Problem set: 4 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 29 out of 1183 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1183/1183 places, 2478/2478 transitions.
Graph (complete) has 4476 edges and 1183 vertex of which 1136 are kept as prefixes of interest. Removing 47 places using SCC suffix rule.7 ms
Discarding 47 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Ensure Unique test removed 199 transitions
Reduce isomorphic transitions removed 217 transitions.
Iterating post reduction 0 with 217 rules applied. Total rules applied 218 place count 1136 transition count 2261
Discarding 379 places :
Symmetric choice reduction at 1 with 379 rule applications. Total rules 597 place count 757 transition count 1335
Iterating global reduction 1 with 379 rules applied. Total rules applied 976 place count 757 transition count 1335
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 1 with 18 rules applied. Total rules applied 994 place count 757 transition count 1317
Discarding 303 places :
Symmetric choice reduction at 2 with 303 rule applications. Total rules 1297 place count 454 transition count 1014
Iterating global reduction 2 with 303 rules applied. Total rules applied 1600 place count 454 transition count 1014
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 1609 place count 454 transition count 1005
Discarding 221 places :
Symmetric choice reduction at 3 with 221 rule applications. Total rules 1830 place count 233 transition count 703
Iterating global reduction 3 with 221 rules applied. Total rules applied 2051 place count 233 transition count 703
Ensure Unique test removed 260 transitions
Reduce isomorphic transitions removed 260 transitions.
Iterating post reduction 3 with 260 rules applied. Total rules applied 2311 place count 233 transition count 443
Discarding 15 places :
Symmetric choice reduction at 4 with 15 rule applications. Total rules 2326 place count 218 transition count 421
Iterating global reduction 4 with 15 rules applied. Total rules applied 2341 place count 218 transition count 421
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 2347 place count 218 transition count 415
Discarding 8 places :
Symmetric choice reduction at 5 with 8 rule applications. Total rules 2355 place count 210 transition count 407
Iterating global reduction 5 with 8 rules applied. Total rules applied 2363 place count 210 transition count 407
Discarding 8 places :
Symmetric choice reduction at 5 with 8 rule applications. Total rules 2371 place count 202 transition count 399
Iterating global reduction 5 with 8 rules applied. Total rules applied 2379 place count 202 transition count 399
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 5 with 8 rules applied. Total rules applied 2387 place count 202 transition count 391
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 2388 place count 201 transition count 389
Iterating global reduction 6 with 1 rules applied. Total rules applied 2389 place count 201 transition count 389
Applied a total of 2389 rules in 259 ms. Remains 201 /1183 variables (removed 982) and now considering 389/2478 (removed 2089) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 269 ms. Remains : 201/1183 places, 389/2478 transitions.
RANDOM walk for 40000 steps (9122 resets) in 352 ms. (113 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (3872 resets) in 214 ms. (186 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (1798 resets) in 118 ms. (336 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (1753 resets) in 148 ms. (268 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (3782 resets) in 191 ms. (208 steps per ms) remains 4/4 properties
Finished probabilistic random walk after 26882 steps, run visited all 4 properties in 225 ms. (steps per millisecond=119 )
Probabilistic random walk after 26882 steps, saw 11874 distinct states, run finished after 229 ms. (steps per millisecond=117 ) properties seen :4
FORMULA DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d2m07-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
All properties solved without resorting to model-checking.
Total runtime 16066 ms.
ITS solved all properties within timeout

BK_STOP 1717190875333

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -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="DBSingleClientW-PT-d2m07"
export BK_EXAMINATION="ReachabilityFireability"
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 DBSingleClientW-PT-d2m07, 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 r480-tall-171624189600575"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d2m07.tgz
mv DBSingleClientW-PT-d2m07 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 ;