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.r034-smll-171620174800083.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 AutoFlight-PT-05b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-smll-171620174800083
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 592K
-rw-r--r-- 1 mcc users 5.8K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 60K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:28 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 22 14:28 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 17:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Apr 12 22:17 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 164K Apr 12 22:17 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K Apr 12 22:16 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K Apr 12 22:16 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 22 14:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:28 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 113K 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

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1716244673137

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutoFlight-PT-05b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-20 22:37:55] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -timeout, 180, -rebuildPNML]
[2024-05-20 22:37:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-20 22:37:55] [INFO ] Load time of PNML (sax parser for PT used): 320 ms
[2024-05-20 22:37:55] [INFO ] Transformed 482 places.
[2024-05-20 22:37:55] [INFO ] Transformed 480 transitions.
[2024-05-20 22:37:55] [INFO ] Found NUPN structural information;
[2024-05-20 22:37:55] [INFO ] Parsed PT model containing 482 places and 480 transitions and 1120 arcs in 609 ms.
Structural test allowed to assert that 286 places are NOT stable. Took 34 ms.
RANDOM walk for 40000 steps (161 resets) in 3868 ms. (10 steps per ms) remains 80/196 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 67 ms. (58 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4003 steps (8 resets) in 49 ms. (80 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 49 ms. (80 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 42 ms. (93 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 43 ms. (91 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4003 steps (8 resets) in 34 ms. (114 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4003 steps (8 resets) in 51 ms. (76 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4002 steps (8 resets) in 30 ms. (129 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 45 ms. (87 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4003 steps (8 resets) in 34 ms. (114 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4003 steps (8 resets) in 20 ms. (190 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4003 steps (8 resets) in 26 ms. (148 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 52 ms. (75 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 80/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 80/80 properties
// Phase 1: matrix 480 rows 482 cols
[2024-05-20 22:37:57] [INFO ] Computed 34 invariants in 49 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 80/80 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 2 (OVERLAPS) 203/283 variables, 11/91 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/283 variables, 203/294 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/283 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 5 (OVERLAPS) 192/475 variables, 22/316 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/475 variables, 192/508 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/475 variables, 0/508 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 8 (OVERLAPS) 7/482 variables, 1/509 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/482 variables, 7/516 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 482/962 variables, and 516 constraints, problems are : Problem set: 0 solved, 80 unsolved in 5087 ms.
Refiners :[Domain max(s): 482/482 constraints, Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/482 constraints, PredecessorRefiner: 80/80 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 80 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 80/80 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 2 (OVERLAPS) 203/283 variables, 11/91 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/283 variables, 203/294 constraints. Problems are: Problem set: 0 solved, 80 unsolved
[2024-05-20 22:38:03] [INFO ] Deduced a trap composed of 49 places in 243 ms of which 42 ms to minimize.
[2024-05-20 22:38:04] [INFO ] Deduced a trap composed of 43 places in 150 ms of which 4 ms to minimize.
[2024-05-20 22:38:04] [INFO ] Deduced a trap composed of 41 places in 110 ms of which 3 ms to minimize.
[2024-05-20 22:38:04] [INFO ] Deduced a trap composed of 61 places in 76 ms of which 2 ms to minimize.
[2024-05-20 22:38:04] [INFO ] Deduced a trap composed of 53 places in 50 ms of which 1 ms to minimize.
[2024-05-20 22:38:04] [INFO ] Deduced a trap composed of 58 places in 57 ms of which 2 ms to minimize.
[2024-05-20 22:38:04] [INFO ] Deduced a trap composed of 41 places in 53 ms of which 1 ms to minimize.
[2024-05-20 22:38:05] [INFO ] Deduced a trap composed of 41 places in 74 ms of which 3 ms to minimize.
[2024-05-20 22:38:05] [INFO ] Deduced a trap composed of 38 places in 56 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/283 variables, 9/303 constraints. Problems are: Problem set: 0 solved, 80 unsolved
[2024-05-20 22:38:05] [INFO ] Deduced a trap composed of 50 places in 65 ms of which 2 ms to minimize.
[2024-05-20 22:38:05] [INFO ] Deduced a trap composed of 44 places in 100 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/283 variables, 2/305 constraints. Problems are: Problem set: 0 solved, 80 unsolved
[2024-05-20 22:38:06] [INFO ] Deduced a trap composed of 36 places in 100 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/283 variables, 1/306 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 283/962 variables, and 306 constraints, problems are : Problem set: 0 solved, 80 unsolved in 5025 ms.
Refiners :[Domain max(s): 283/482 constraints, Positive P Invariants (semi-flows): 11/33 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/482 constraints, PredecessorRefiner: 0/80 constraints, Known Traps: 12/12 constraints]
After SMT, in 10270ms problems are : Problem set: 0 solved, 80 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 80 out of 482 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 482/482 places, 480/480 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 156 transitions
Trivial Post-agglo rules discarded 156 transitions
Performed 156 trivial Post agglomeration. Transition count delta: 156
Iterating post reduction 0 with 156 rules applied. Total rules applied 156 place count 482 transition count 324
Reduce places removed 156 places and 0 transitions.
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 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 188 rules applied. Total rules applied 344 place count 326 transition count 292
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 354 place count 316 transition count 292
Performed 51 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 51 Pre rules applied. Total rules applied 354 place count 316 transition count 241
Deduced a syphon composed of 51 places in 2 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 3 with 102 rules applied. Total rules applied 456 place count 265 transition count 241
Discarding 24 places :
Symmetric choice reduction at 3 with 24 rule applications. Total rules 480 place count 241 transition count 217
Iterating global reduction 3 with 24 rules applied. Total rules applied 504 place count 241 transition count 217
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 12 Pre rules applied. Total rules applied 504 place count 241 transition count 205
Deduced a syphon composed of 12 places in 2 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 528 place count 229 transition count 205
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 2 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 3 with 96 rules applied. Total rules applied 624 place count 181 transition count 157
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 3 with 3 rules applied. Total rules applied 627 place count 181 transition count 154
Free-agglomeration rule applied 20 times.
Iterating global reduction 3 with 20 rules applied. Total rules applied 647 place count 181 transition count 134
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 3 with 20 rules applied. Total rules applied 667 place count 161 transition count 134
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 668 place count 160 transition count 133
Reduce places removed 12 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 4 with 19 rules applied. Total rules applied 687 place count 148 transition count 126
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 5 with 7 rules applied. Total rules applied 694 place count 141 transition count 126
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 12 Pre rules applied. Total rules applied 694 place count 141 transition count 114
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 6 with 24 rules applied. Total rules applied 718 place count 129 transition count 114
Applied a total of 718 rules in 233 ms. Remains 129 /482 variables (removed 353) and now considering 114/480 (removed 366) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 251 ms. Remains : 129/482 places, 114/480 transitions.
RANDOM walk for 958 steps (0 resets) in 68 ms. (13 steps per ms) remains 0/80 properties
Able to resolve query StableMarking after proving 197 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TOPOLOGICAL
Total runtime 13178 ms.
ITS solved all properties within timeout

BK_STOP 1716244688259

--------------------
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 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="AutoFlight-PT-05b"
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 AutoFlight-PT-05b, 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 r034-smll-171620174800083"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-05b.tgz
mv AutoFlight-PT-05b 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 ;