Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r058-smll-174854064400567.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is Diffusion2D-PT-D40N100, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r058-smll-174854064400567
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.2M
-rw-r--r-- 1 mcc users 8.9K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 156K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 8 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 4.7M May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2025-00
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2025-01
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2025-02
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2025-03
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2025-04
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2025-05
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2025-06
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2025-07
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2025-08
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2025-09
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2025-10
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2025-11
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2025-12
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2025-13
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2025-14
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748876417868

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Diffusion2D-PT-D40N100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-06-02 15:00:20] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 15:00:20] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 15:00:21] [INFO ] Load time of PNML (sax parser for PT used): 911 ms
[2025-06-02 15:00:21] [INFO ] Transformed 1600 places.
[2025-06-02 15:00:21] [INFO ] Transformed 12324 transitions.
[2025-06-02 15:00:21] [INFO ] Parsed PT model containing 1600 places and 12324 transitions and 24648 arcs in 1224 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 36 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40058 steps (8 resets) in 503 ms. (79 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 88 ms. (44 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 50 ms. (78 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 46 ms. (85 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 78 ms. (50 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 145 ms. (27 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 49 ms. (80 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 61 ms. (64 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 80 ms. (49 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 84 ms. (47 steps per ms) remains 16/16 properties
[2025-06-02 15:00:23] [INFO ] Flatten gal took : 847 ms
[2025-06-02 15:00:23] [INFO ] Flatten gal took : 417 ms
[2025-06-02 15:00:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality114299817306467227.gal : 257 ms
[2025-06-02 15:00:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13156750264720114237.prop : 6 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality114299817306467227.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13156750264720114237.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality13156750264720114237.prop.
Interrupted probabilistic random walk after 102074 steps, run timeout after 3001 ms. (steps per millisecond=34 ) properties seen :2 out of 16
Probabilistic random walk after 102074 steps, saw 84880 distinct states, run finished after 3009 ms. (steps per millisecond=33 ) properties seen :2
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2025-11 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2025-07 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
// Phase 1: matrix 12324 rows 1600 cols
[2025-06-02 15:00:25] [INFO ] Computed 1 invariants in 150 ms
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/170 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 1430/1600 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1600 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 13924/13924 variables, and 1601 constraints, problems are : Problem set: 0 solved, 14 unsolved in 5076 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 1600/1600 constraints, PredecessorRefiner: 14/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/170 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 1430/1600 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1600 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 13924/13924 variables, and 1601 constraints, problems are : Problem set: 0 solved, 14 unsolved in 5013 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 1600/1600 constraints, PredecessorRefiner: 5/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10632ms problems are : Problem set: 0 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 170 out of 1600 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Graph (trivial) has 9840 edges and 1600 vertex of which 1430 / 1600 are part of one of the 1 SCC in 24 ms
Free SCC test removed 1429 places
Drop transitions (Empty/Sink Transition effects.) removed 9840 transitions
Ensure Unique test removed 1992 transitions
Reduce isomorphic transitions removed 11832 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 180 transitions
Redundant transition composition rules discarded 180 transitions
Iterating global reduction 0 with 180 rules applied. Total rules applied 181 place count 171 transition count 312
Applied a total of 181 rules in 182 ms. Remains 171 /1600 variables (removed 1429) and now considering 312/12324 (removed 12012) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 192 ms. Remains : 171/1600 places, 312/12324 transitions.
RANDOM walk for 40116 steps (8 resets) in 95 ms. (417 steps per ms) remains 6/14 properties
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2025-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2025-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2025-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2025-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2025-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2025-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2025-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2025-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 128 ms. (310 steps per ms) remains 4/6 properties
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2025-10 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2025-08 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 696 ms. (57 steps per ms) remains 3/4 properties
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2025-04 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 728 ms. (54 steps per ms) remains 2/3 properties
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2025-03 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 256 ms. (155 steps per ms) remains 2/2 properties
// Phase 1: matrix 312 rows 171 cols
[2025-06-02 15:00:37] [INFO ] Computed 1 invariants in 5 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 116/171 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/171 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 312/483 variables, 171/172 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/483 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/483 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 483/483 variables, and 172 constraints, problems are : Problem set: 0 solved, 2 unsolved in 388 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 171/171 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 116/171 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/171 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 312/483 variables, 171/172 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/483 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/483 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/483 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 483/483 variables, and 173 constraints, problems are : Problem set: 0 solved, 2 unsolved in 415 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 171/171 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 826ms problems are : Problem set: 0 solved, 2 unsolved
Finished Parikh walk after 50 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=25 )
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2025-15 FALSE TECHNIQUES PARIKH_WALK
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2025-12 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 2 properties in 9 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 17456 ms.

BK_STOP 1748876437922

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="Diffusion2D-PT-D40N100"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
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 2-5832"
echo " Executing tool itstools"
echo " Input is Diffusion2D-PT-D40N100, 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 r058-smll-174854064400567"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D40N100.tgz
mv Diffusion2D-PT-D40N100 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.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 ;