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.r408-tall-171690546300128.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 greatspnxred
Input is StigmergyCommit-PT-09a, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r408-tall-171690546300128
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 51M
-rw-r--r-- 1 mcc users 7.6K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K 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 3.5K Apr 23 07:59 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 23 07:59 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 19 07:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 19:23 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.1K Apr 11 18:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 94K Apr 11 18:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Apr 11 18:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 39K Apr 11 18:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 23 07:59 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:59 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 51M 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

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1717100520434

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=StigmergyCommit-PT-09a
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-30 20:22:01] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -timeout, 180, -rebuildPNML]
[2024-05-30 20:22:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-30 20:22:03] [INFO ] Load time of PNML (sax parser for PT used): 1988 ms
[2024-05-30 20:22:03] [INFO ] Transformed 364 places.
[2024-05-30 20:22:04] [INFO ] Transformed 50444 transitions.
[2024-05-30 20:22:04] [INFO ] Found NUPN structural information;
[2024-05-30 20:22:04] [INFO ] Parsed PT model containing 364 places and 50444 transitions and 999956 arcs in 2482 ms.
Structural test allowed to assert that 22 places are NOT stable. Took 65 ms.
Ensure Unique test removed 47924 transitions
Reduce redundant transitions removed 47924 transitions.
RANDOM walk for 40000 steps (9 resets) in 6297 ms. (6 steps per ms) remains 192/342 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 192/192 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 192/192 properties
[2024-05-30 20:22:06] [INFO ] Flow matrix only has 2490 transitions (discarded 30 similar events)
// Phase 1: matrix 2490 rows 364 cols
[2024-05-30 20:22:06] [INFO ] Computed 11 invariants in 40 ms
[2024-05-30 20:22:06] [INFO ] State equation strengthened by 2185 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 2 (OVERLAPS) 171/363 variables, 10/202 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/363 variables, 171/373 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 5 (OVERLAPS) 1/364 variables, 1/374 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/364 variables, 1/375 constraints. Problems are: Problem set: 0 solved, 192 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 364/2854 variables, and 375 constraints, problems are : Problem set: 0 solved, 192 unsolved in 5050 ms.
Refiners :[Domain max(s): 364/364 constraints, Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 0/364 constraints, ReadFeed: 0/2185 constraints, PredecessorRefiner: 192/192 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 192 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 2 (OVERLAPS) 171/363 variables, 10/202 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/363 variables, 171/373 constraints. Problems are: Problem set: 0 solved, 192 unsolved
[2024-05-30 20:22:13] [INFO ] Deduced a trap composed of 17 places in 782 ms of which 34 ms to minimize.
[2024-05-30 20:22:14] [INFO ] Deduced a trap composed of 17 places in 834 ms of which 4 ms to minimize.
[2024-05-30 20:22:14] [INFO ] Deduced a trap composed of 17 places in 593 ms of which 2 ms to minimize.
[2024-05-30 20:22:15] [INFO ] Deduced a trap composed of 17 places in 632 ms of which 10 ms to minimize.
[2024-05-30 20:22:16] [INFO ] Deduced a trap composed of 17 places in 593 ms of which 3 ms to minimize.
[2024-05-30 20:22:16] [INFO ] Deduced a trap composed of 17 places in 567 ms of which 2 ms to minimize.
[2024-05-30 20:22:17] [INFO ] Deduced a trap composed of 17 places in 550 ms of which 3 ms to minimize.
SMT process timed out in 11071ms, After SMT, problems are : Problem set: 0 solved, 192 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 192 out of 364 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 364/364 places, 2520/2520 transitions.
Graph (complete) has 873 edges and 364 vertex of which 362 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.21 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Drop transitions (Empty/Sink Transition effects.) removed 31 transitions
Reduce isomorphic transitions removed 31 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 23 transitions
Trivial Post-agglo rules discarded 23 transitions
Performed 23 trivial Post agglomeration. Transition count delta: 23
Iterating post reduction 0 with 54 rules applied. Total rules applied 55 place count 362 transition count 2464
Reduce places removed 23 places and 0 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 1 with 53 rules applied. Total rules applied 108 place count 339 transition count 2434
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 118 place count 329 transition count 2434
Performed 32 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 32 Pre rules applied. Total rules applied 118 place count 329 transition count 2402
Deduced a syphon composed of 32 places in 1 ms
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 3 with 64 rules applied. Total rules applied 182 place count 297 transition count 2402
Discarding 17 places :
Symmetric choice reduction at 3 with 17 rule applications. Total rules 199 place count 280 transition count 2385
Iterating global reduction 3 with 17 rules applied. Total rules applied 216 place count 280 transition count 2385
Discarding 17 places :
Symmetric choice reduction at 3 with 17 rule applications. Total rules 233 place count 263 transition count 2368
Iterating global reduction 3 with 17 rules applied. Total rules applied 250 place count 263 transition count 2368
Ensure Unique test removed 1024 transitions
Reduce isomorphic transitions removed 1024 transitions.
Iterating post reduction 3 with 1024 rules applied. Total rules applied 1274 place count 263 transition count 1344
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 4 with 20 rules applied. Total rules applied 1294 place count 253 transition count 1334
Discarding 9 places :
Symmetric choice reduction at 4 with 9 rule applications. Total rules 1303 place count 244 transition count 1325
Iterating global reduction 4 with 9 rules applied. Total rules applied 1312 place count 244 transition count 1325
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 1313 place count 243 transition count 1324
Iterating global reduction 4 with 1 rules applied. Total rules applied 1314 place count 243 transition count 1324
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 1315 place count 242 transition count 1323
Iterating global reduction 4 with 1 rules applied. Total rules applied 1316 place count 242 transition count 1323
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 4 with 6 rules applied. Total rules applied 1322 place count 242 transition count 1317
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 4 with 5 rules applied. Total rules applied 1327 place count 242 transition count 1317
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 4 with 4 rules applied. Total rules applied 1331 place count 242 transition count 1313
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 1332 place count 241 transition count 1312
Reduce places removed 1 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 4 with 10 rules applied. Total rules applied 1342 place count 240 transition count 1303
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 5 with 9 rules applied. Total rules applied 1351 place count 231 transition count 1303
Performed 11 Post agglomeration using F-continuation condition with reduction of 1010 identical transitions.
Deduced a syphon composed of 11 places in 1 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 6 with 22 rules applied. Total rules applied 1373 place count 220 transition count 282
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 6 with 9 rules applied. Total rules applied 1382 place count 220 transition count 273
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 1383 place count 220 transition count 272
Reduce places removed 10 places and 10 transitions.
Iterating global reduction 7 with 10 rules applied. Total rules applied 1393 place count 210 transition count 262
Applied a total of 1393 rules in 1196 ms. Remains 210 /364 variables (removed 154) and now considering 262/2520 (removed 2258) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1206 ms. Remains : 210/364 places, 262/2520 transitions.
RANDOM walk for 7700 steps (185 resets) in 78 ms. (97 steps per ms) remains 0/192 properties
Able to resolve query StableMarking after proving 343 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TOPOLOGICAL
Total runtime 17024 ms.
ITS solved all properties within timeout

BK_STOP 1717100538648

--------------------
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 StableMarking -timeout 180 -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="StigmergyCommit-PT-09a"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 greatspnxred"
echo " Input is StigmergyCommit-PT-09a, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r408-tall-171690546300128"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/StigmergyCommit-PT-09a.tgz
mv StigmergyCommit-PT-09a execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property StableMarking.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;