Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r058-smll-174854064400558.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-D40N050, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r058-smll-174854064400558
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.2M
-rw-r--r-- 1 mcc users 9.2K 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 5.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K 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 4.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 21K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 196K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 90K 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-D40N050-ReachabilityCardinality-2025-00
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-01
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-02
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-03
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-04
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-05
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-06
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-07
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-08
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-09
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-10
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-11
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-12
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-13
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-14
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-15

=== Now, execution of the tool begins

BK_START 1748870220241

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Diffusion2D-PT-D40N050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202505121319
[2025-06-02 13:17:03] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 13:17:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 13:17:04] [INFO ] Load time of PNML (sax parser for PT used): 969 ms
[2025-06-02 13:17:04] [INFO ] Transformed 1600 places.
[2025-06-02 13:17:04] [INFO ] Transformed 12324 transitions.
[2025-06-02 13:17:04] [INFO ] Parsed PT model containing 1600 places and 12324 transitions and 24648 arcs in 1251 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 42 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40024 steps (8 resets) in 839 ms. (47 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 246 ms. (16 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 157 ms. (25 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 138 ms. (28 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 41 ms. (95 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 324 ms. (12 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 57 ms. (69 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 44 ms. (88 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 96 ms. (41 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 47 ms. (83 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 195 ms. (20 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 169 ms. (23 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 226 ms. (17 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 117 ms. (33 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 129 ms. (30 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 93 ms. (42 steps per ms) remains 16/16 properties
[2025-06-02 13:17:06] [INFO ] Flatten gal took : 1281 ms
[2025-06-02 13:17:07] [INFO ] Flatten gal took : 672 ms
[2025-06-02 13:17:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10740734491071494696.gal : 238 ms
[2025-06-02 13:17:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11652357990283579489.prop : 8 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/ReachabilityCardinality10740734491071494696.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11652357990283579489.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 ...330
Interrupted probabilistic random walk after 91730 steps, run timeout after 3001 ms. (steps per millisecond=30 ) properties seen :2 out of 16
Probabilistic random walk after 91730 steps, saw 76474 distinct states, run finished after 3011 ms. (steps per millisecond=30 ) properties seen :2
FORMULA Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-12 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-08 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
// Phase 1: matrix 12324 rows 1600 cols
Loading property file /tmp/ReachabilityCardinality11652357990283579489.prop.
[2025-06-02 13:17:09] [INFO ] Computed 1 invariants in 158 ms
Excessive predecessor constraint size, skipping predecessor.
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) 0/388 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Problem Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-00 is UNSAT
FORMULA Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-00 TRUE TECHNIQUES SMT_REFINEMENT
Problem Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-04 is UNSAT
FORMULA Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-04 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 1212/1600 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1600 variables, 0/1 constraints. Problems are: Problem set: 2 solved, 12 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 13924/13924 variables, and 1601 constraints, problems are : Problem set: 2 solved, 12 unsolved in 5051 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 1600/1600 constraints, PredecessorRefiner: 14/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 12 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/287 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 1313/1600 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1600 variables, 0/1 constraints. Problems are: Problem set: 2 solved, 12 unsolved
SMT process timed out in 10624ms, After SMT, problems are : Problem set: 2 solved, 12 unsolved
Fused 12 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 287 out of 1600 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Graph (trivial) has 8368 edges and 1600 vertex of which 1313 / 1600 are part of one of the 1 SCC in 21 ms
Free SCC test removed 1312 places
Drop transitions (Empty/Sink Transition effects.) removed 8368 transitions
Ensure Unique test removed 2946 transitions
Reduce isomorphic transitions removed 11314 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 451 transitions
Redundant transition composition rules discarded 451 transitions
Iterating global reduction 0 with 451 rules applied. Total rules applied 452 place count 288 transition count 559
Applied a total of 452 rules in 220 ms. Remains 288 /1600 variables (removed 1312) and now considering 559/12324 (removed 11765) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 233 ms. Remains : 288/1600 places, 559/12324 transitions.
RANDOM walk for 40056 steps (8 resets) in 91 ms. (435 steps per ms) remains 6/12 properties
FORMULA Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 147 ms. (270 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 70 ms. (563 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 238 ms. (167 steps per ms) remains 5/6 properties
FORMULA Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-14 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 179 ms. (222 steps per ms) remains 4/5 properties
FORMULA Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-10 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 182 ms. (218 steps per ms) remains 4/4 properties
// Phase 1: matrix 559 rows 288 cols
[2025-06-02 13:17:20] [INFO ] Computed 1 invariants in 11 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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, 4 unsolved
At refinement iteration 1 (OVERLAPS) 181/288 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/288 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 559/847 variables, 288/289 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/847 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 0/847 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 847/847 variables, and 289 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1280 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 288/288 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 181/288 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/288 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 559/847 variables, 288/289 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/847 variables, 3/292 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/847 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/847 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 847/847 variables, and 292 constraints, problems are : Problem set: 0 solved, 4 unsolved in 2221 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 288/288 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3550ms problems are : Problem set: 0 solved, 4 unsolved
FORMULA Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-02 TRUE TECHNIQUES PARIKH_WALK
FORMULA Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-05 TRUE TECHNIQUES PARIKH_WALK
FORMULA Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-09 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 156 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=156 )
FORMULA Diffusion2D-PT-D40N050-ReachabilityCardinality-2025-13 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 4 properties in 1015 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 21672 ms.

BK_STOP 1748870244775

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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-D40N050"
export BK_EXAMINATION="ReachabilityCardinality"
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-D40N050, 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 r058-smll-174854064400558"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D40N050.tgz
mv Diffusion2D-PT-D40N050 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.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 ;