About the Execution of GreatSPN+red for ViralEpidemic-PT-S02D1C1A10
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
1334.424 | 24518.00 | 61526.00 | 230.20 | TFTFFTTFFTFFTTTF | normal |
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.r443-smll-171701110200303.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 greatspnxred
Input is ViralEpidemic-PT-S02D1C1A10, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r443-smll-171701110200303
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 9.3M
-rw-r--r-- 1 mcc users 12K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 98K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.9K May 19 07:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 19 16:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K May 19 07:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 19:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Apr 12 05:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 113K Apr 12 05:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Apr 12 04:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K Apr 12 04:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Apr 23 08:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Apr 23 08:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 11 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 8.8M 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
here is the order used to build the result vector(from text file)
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-00
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-01
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-02
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-03
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-04
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-05
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-06
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-07
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-08
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-09
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-10
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-11
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-12
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-13
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-14
FORMULA_NAME ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-15
=== Now, execution of the tool begins
BK_START 1717103705171
Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ViralEpidemic-PT-S02D1C1A10
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-30 21:15:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2024-05-30 21:15:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-30 21:15:08] [INFO ] Load time of PNML (sax parser for PT used): 1016 ms
[2024-05-30 21:15:08] [INFO ] Transformed 8189 places.
[2024-05-30 21:15:08] [INFO ] Transformed 10235 transitions.
[2024-05-30 21:15:08] [INFO ] Found NUPN structural information;
[2024-05-30 21:15:08] [INFO ] Parsed PT model containing 8189 places and 10235 transitions and 22517 arcs in 1306 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 214 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (3844 resets) in 5753 ms. (6 steps per ms) remains 8/16 properties
FORMULA ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (558 resets) in 3860 ms. (10 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (549 resets) in 3578 ms. (11 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (541 resets) in 3374 ms. (11 steps per ms) remains 7/8 properties
FORMULA ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (619 resets) in 3367 ms. (11 steps per ms) remains 6/7 properties
FORMULA ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (471 resets) in 3235 ms. (12 steps per ms) remains 5/6 properties
FORMULA ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (547 resets) in 3740 ms. (10 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (535 resets) in 2873 ms. (13 steps per ms) remains 5/5 properties
// Phase 1: matrix 10235 rows 8189 cols
[2024-05-30 21:15:18] [INFO ] Invariants computation overflowed in 1551 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 234/234 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 569/803 variables, 234/468 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 1477/2280 variables, 547/1015 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2280 variables, 547/1562 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2280 variables, 0/1562 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 2018/4298 variables, 824/2386 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/4298 variables, 824/3210 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/4298 variables, 0/3210 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 2267/6565 variables, 947/4157 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/6565 variables, 947/5104 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/6565 variables, 0/5104 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 2477/9042 variables, 1041/6145 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/9042 variables, 1041/7186 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 9042/18424 variables, and 7186 constraints, problems are : Problem set: 0 solved, 5 unsolved in 5067 ms.
Refiners :[Domain max(s): 3593/8189 constraints, State Equation: 3593/8189 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 234/234 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 569/803 variables, 234/468 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/803 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 1477/2280 variables, 547/1015 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2280 variables, 547/1562 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2280 variables, 5/1567 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2280 variables, 0/1567 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 2018/4298 variables, 824/2391 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/4298 variables, 824/3215 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/4298 variables, 0/3215 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 2267/6565 variables, 947/4162 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/6565 variables, 947/5109 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 6565/18424 variables, and 5109 constraints, problems are : Problem set: 0 solved, 5 unsolved in 5010 ms.
Refiners :[Domain max(s): 2552/8189 constraints, State Equation: 2552/8189 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 11983ms problems are : Problem set: 0 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 234 out of 8189 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8189/8189 places, 10235/10235 transitions.
Graph (complete) has 4094 edges and 8189 vertex of which 865 are kept as prefixes of interest. Removing 7324 places using SCC suffix rule.15 ms
Discarding 7324 places :
Also discarding 8458 output transitions
Drop transitions (Output transitions of discarded places.) removed 8458 transitions
Drop transitions (Empty/Sink Transition effects.) removed 944 transitions
Reduce isomorphic transitions removed 944 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 100 transitions
Trivial Post-agglo rules discarded 100 transitions
Performed 100 trivial Post agglomeration. Transition count delta: 100
Iterating post reduction 0 with 1044 rules applied. Total rules applied 1045 place count 865 transition count 733
Reduce places removed 100 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 102 rules applied. Total rules applied 1147 place count 765 transition count 731
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 1149 place count 763 transition count 731
Performed 68 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 68 Pre rules applied. Total rules applied 1149 place count 763 transition count 663
Deduced a syphon composed of 68 places in 1 ms
Reduce places removed 68 places and 0 transitions.
Iterating global reduction 3 with 136 rules applied. Total rules applied 1285 place count 695 transition count 663
Discarding 24 places :
Symmetric choice reduction at 3 with 24 rule applications. Total rules 1309 place count 671 transition count 639
Iterating global reduction 3 with 24 rules applied. Total rules applied 1333 place count 671 transition count 639
Performed 88 Post agglomeration using F-continuation condition.Transition count delta: 88
Deduced a syphon composed of 88 places in 0 ms
Reduce places removed 88 places and 0 transitions.
Iterating global reduction 3 with 176 rules applied. Total rules applied 1509 place count 583 transition count 551
Free-agglomeration rule applied 4 times.
Iterating global reduction 3 with 4 rules applied. Total rules applied 1513 place count 583 transition count 547
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 1517 place count 579 transition count 547
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 1518 place count 578 transition count 546
Applied a total of 1518 rules in 394 ms. Remains 578 /8189 variables (removed 7611) and now considering 546/10235 (removed 9689) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 409 ms. Remains : 578/8189 places, 546/10235 transitions.
RANDOM walk for 36265 steps (200 resets) in 1784 ms. (20 steps per ms) remains 0/5 properties
FORMULA ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S02D1C1A10-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.
Total runtime 22710 ms.
ITS solved all properties within timeout
BK_STOP 1717103729689
--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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 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="ViralEpidemic-PT-S02D1C1A10"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="greatspnxred"
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 greatspnxred"
echo " Input is ViralEpidemic-PT-S02D1C1A10, 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 r443-smll-171701110200303"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ViralEpidemic-PT-S02D1C1A10.tgz
mv ViralEpidemic-PT-S02D1C1A10 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 '
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 ;