About the Execution of ITS-Tools for ShieldIIPs-PT-050B
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
767.128 | 12410.00 | 35816.00 | 121.30 | T | 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.r365-tall-171683778600097.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 itstools
Input is ShieldIIPs-PT-050B, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r365-tall-171683778600097
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 7.7K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K 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 3.5K May 19 07:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 19 16:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 19:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 116K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K May 14 13:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K May 14 13:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 23 07:52 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:52 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 846K 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 QuasiLiveness
=== Now, execution of the tool begins
BK_START 1716912677597
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ShieldIIPs-PT-050B
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202405141337
[2024-05-28 16:11:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2024-05-28 16:11:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-28 16:11:19] [INFO ] Load time of PNML (sax parser for PT used): 202 ms
[2024-05-28 16:11:19] [INFO ] Transformed 3003 places.
[2024-05-28 16:11:19] [INFO ] Transformed 2953 transitions.
[2024-05-28 16:11:19] [INFO ] Found NUPN structural information;
[2024-05-28 16:11:19] [INFO ] Parsed PT model containing 3003 places and 2953 transitions and 8906 arcs in 470 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 3003/3003 places, 2953/2953 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 251 transitions
Trivial Post-agglo rules discarded 251 transitions
Performed 251 trivial Post agglomeration. Transition count delta: 251
Iterating post reduction 0 with 251 rules applied. Total rules applied 251 place count 3003 transition count 2702
Reduce places removed 251 places and 0 transitions.
Iterating post reduction 1 with 251 rules applied. Total rules applied 502 place count 2752 transition count 2702
Performed 251 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 251 Pre rules applied. Total rules applied 502 place count 2752 transition count 2451
Deduced a syphon composed of 251 places in 33 ms
Reduce places removed 251 places and 0 transitions.
Iterating global reduction 2 with 502 rules applied. Total rules applied 1004 place count 2501 transition count 2451
Performed 1200 Post agglomeration using F-continuation condition.Transition count delta: 1200
Deduced a syphon composed of 1200 places in 5 ms
Reduce places removed 1200 places and 0 transitions.
Iterating global reduction 2 with 2400 rules applied. Total rules applied 3404 place count 1301 transition count 1251
Renaming transitions due to excessive name length > 1024 char.
Applied a total of 3404 rules in 506 ms. Remains 1301 /3003 variables (removed 1702) and now considering 1251/2953 (removed 1702) transitions.
// Phase 1: matrix 1251 rows 1301 cols
[2024-05-28 16:11:20] [INFO ] Computed 451 invariants in 26 ms
[2024-05-28 16:11:21] [INFO ] Implicit Places using invariants in 1104 ms returned [1286]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 1141 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 1300/3003 places, 1251/2953 transitions.
Applied a total of 0 rules in 20 ms. Remains 1300 /1300 variables (removed 0) and now considering 1251/1251 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1685 ms. Remains : 1300/3003 places, 1251/2953 transitions.
Discarding 300 transitions out of 1251. Remains 951
Initial state reduction rules removed 1 formulas.
[2024-05-28 16:11:22] [INFO ] Flatten gal took : 472 ms
[2024-05-28 16:11:22] [INFO ] Flatten gal took : 252 ms
[2024-05-28 16:11:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4832518678602784841.gal : 89 ms
RANDOM walk for 40000 steps (13 resets) in 5083 ms. (7 steps per ms) remains 8/950 properties
[2024-05-28 16:11:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3371720088711241826.prop : 7 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4832518678602784841.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3371720088711241826.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
BEST_FIRST walk for 40003 steps (8 resets) in 545 ms. (73 steps per ms) remains 8/8 properties
Loading property file /tmp/ReachabilityCardinality3371720088711241826.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 437 ms. (91 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 486 ms. (82 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 411 ms. (97 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 331 ms. (120 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 343 ms. (116 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 395 ms. (101 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 375 ms. (106 steps per ms) remains 8/8 properties
// Phase 1: matrix 1251 rows 1300 cols
[2024-05-28 16:11:23] [INFO ] Computed 450 invariants in 13 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 57/81 variables, 24/48 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/81 variables, 57/105 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 1219/1300 variables, 426/531 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1300 variables, 1219/1750 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Reachability property qltransition_1242 is true.
Reachability property qltransition_1237 is true.
Reachability property qltransition_1221 is true.
[2024-05-28 16:11:24] [INFO ] Deduced a trap composed of 4 places in 163 ms of which 30 ms to minimize.
[2024-05-28 16:11:24] [INFO ] Deduced a trap composed of 4 places in 137 ms of which 2 ms to minimize.
[2024-05-28 16:11:24] [INFO ] Deduced a trap composed of 4 places in 99 ms of which 2 ms to minimize.
[2024-05-28 16:11:25] [INFO ] Deduced a trap composed of 4 places in 111 ms of which 2 ms to minimize.
[2024-05-28 16:11:25] [INFO ] Deduced a trap composed of 4 places in 78 ms of which 3 ms to minimize.
[2024-05-28 16:11:25] [INFO ] Deduced a trap composed of 4 places in 102 ms of which 2 ms to minimize.
SDD proceeding with computation,947 properties remain. new max is 2
SDD size :3 after 5
Reachability property qltransition_1225 is true.
Reachability property qltransition_1205 is true.
SDD proceeding with computation,945 properties remain. new max is 2
SDD size :5 after 8
Reachability property qltransition_1209 is true.
Reachability property qltransition_1189 is true.
[2024-05-28 16:11:25] [INFO ] Deduced a trap composed of 4 places in 96 ms of which 1 ms to minimize.
SDD proceeding with computation,943 properties remain. new max is 2
SDD size :8 after 11
Reachability property qltransition_1193 is true.
Reachability property qltransition_1173 is true.
[2024-05-28 16:11:25] [INFO ] Deduced a trap composed of 4 places in 61 ms of which 1 ms to minimize.
SDD proceeding with computation,941 properties remain. new max is 2
SDD size :11 after 14
Reachability property qltransition_1177 is true.
Reachability property qltransition_1157 is true.
[2024-05-28 16:11:25] [INFO ] Deduced a trap composed of 4 places in 82 ms of which 1 ms to minimize.
SDD proceeding with computation,939 properties remain. new max is 2
SDD size :14 after 17
Reachability property qltransition_1161 is true.
Reachability property qltransition_1141 is true.
[2024-05-28 16:11:25] [INFO ] Deduced a trap composed of 4 places in 95 ms of which 3 ms to minimize.
[2024-05-28 16:11:25] [INFO ] Deduced a trap composed of 4 places in 72 ms of which 1 ms to minimize.
SDD proceeding with computation,937 properties remain. new max is 2
SDD size :17 after 20
Reachability property qltransition_1145 is true.
Reachability property qltransition_1125 is true.
[2024-05-28 16:11:25] [INFO ] Deduced a trap composed of 4 places in 71 ms of which 1 ms to minimize.
SDD proceeding with computation,935 properties remain. new max is 2
SDD size :20 after 23
Reachability property qltransition_1129 is true.
[2024-05-28 16:11:25] [INFO ] Deduced a trap composed of 4 places in 52 ms of which 1 ms to minimize.
Reachability property qltransition_1109 is true.
[2024-05-28 16:11:26] [INFO ] Deduced a trap composed of 4 places in 79 ms of which 1 ms to minimize.
SDD proceeding with computation,933 properties remain. new max is 2
SDD size :23 after 26
Reachability property qltransition_1113 is true.
Reachability property qltransition_1093 is true.
[2024-05-28 16:11:26] [INFO ] Deduced a trap composed of 4 places in 46 ms of which 1 ms to minimize.
[2024-05-28 16:11:26] [INFO ] Deduced a trap composed of 13 places in 54 ms of which 1 ms to minimize.
SDD proceeding with computation,931 properties remain. new max is 2
SDD size :26 after 29
Reachability property qltransition_1097 is true.
Reachability property qltransition_1077 is true.
[2024-05-28 16:11:26] [INFO ] Deduced a trap composed of 13 places in 54 ms of which 1 ms to minimize.
[2024-05-28 16:11:26] [INFO ] Deduced a trap composed of 4 places in 46 ms of which 0 ms to minimize.
SDD proceeding with computation,929 properties remain. new max is 2
SDD size :29 after 32
Reachability property qltransition_1081 is true.
Reachability property qltransition_1061 is true.
[2024-05-28 16:11:26] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 1 ms to minimize.
SDD proceeding with computation,927 properties remain. new max is 2
SDD size :32 after 35
Reachability property qltransition_1065 is true.
Reachability property qltransition_1045 is true.
At refinement iteration 7 (INCLUDED_ONLY) 0/1300 variables, 19/1769 constraints. Problems are: Problem set: 0 solved, 8 unsolved
SDD proceeding with computation,925 properties remain. new max is 2
SDD size :35 after 38
Reachability property qltransition_1049 is true.
Reachability property qltransition_1029 is true.
At refinement iteration 8 (INCLUDED_ONLY) 0/1300 variables, 0/1769 constraints. Problems are: Problem set: 0 solved, 8 unsolved
SDD proceeding with computation,923 properties remain. new max is 2
SDD size :38 after 41
Reachability property qltransition_1033 is true.
Reachability property qltransition_1013 is true.
SDD proceeding with computation,921 properties remain. new max is 2
SDD size :41 after 44
At refinement iteration 9 (OVERLAPS) 1251/2551 variables, 1300/3069 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Reachability property qltransition_1017 is true.
Reachability property qltransition_997 is true.
SDD proceeding with computation,919 properties remain. new max is 2
SDD size :44 after 47
[2024-05-28 16:11:27] [INFO ] Deduced a trap composed of 4 places in 199 ms of which 4 ms to minimize.
Reachability property qltransition_1001 is true.
Reachability property qltransition_981 is true.
SDD proceeding with computation,917 properties remain. new max is 2
SDD size :47 after 50
Reachability property qltransition_985 is true.
[2024-05-28 16:11:28] [INFO ] Deduced a trap composed of 4 places in 205 ms of which 4 ms to minimize.
Reachability property qltransition_965 is true.
SDD proceeding with computation,915 properties remain. new max is 2
SDD size :50 after 53
[2024-05-28 16:11:28] [INFO ] Deduced a trap composed of 4 places in 207 ms of which 3 ms to minimize.
Reachability property qltransition_969 is true.
Reachability property qltransition_949 is true.
[2024-05-28 16:11:28] [INFO ] Deduced a trap composed of 4 places in 184 ms of which 3 ms to minimize.
SDD proceeding with computation,913 properties remain. new max is 2
SDD size :53 after 56
Reachability property qltransition_953 is true.
Reachability property qltransition_933 is true.
[2024-05-28 16:11:28] [INFO ] Deduced a trap composed of 4 places in 182 ms of which 3 ms to minimize.
SDD proceeding with computation,911 properties remain. new max is 2
SDD size :56 after 59
Reachability property qltransition_937 is true.
Reachability property qltransition_917 is true.
[2024-05-28 16:11:28] [INFO ] Deduced a trap composed of 4 places in 180 ms of which 3 ms to minimize.
SMT process timed out in 5177ms, After SMT, problems are : Problem set: 0 solved, 8 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 24 out of 1300 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1300/1300 places, 1251/1251 transitions.
Discarding 50 places :
Symmetric choice reduction at 0 with 50 rule applications. Total rules 50 place count 1250 transition count 1201
Iterating global reduction 0 with 50 rules applied. Total rules applied 100 place count 1250 transition count 1201
Partial Free-agglomeration rule applied 332 times.
Drop transitions (Partial Free agglomeration) removed 332 transitions
Iterating global reduction 0 with 332 rules applied. Total rules applied 432 place count 1250 transition count 1201
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 433 place count 1249 transition count 1200
SDD proceeding with computation,909 properties remain. new max is 2
SDD size :59 after 62
Reachability property qltransition_921 is true.
Applied a total of 433 rules in 312 ms. Remains 1249 /1300 variables (removed 51) and now considering 1200/1251 (removed 51) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 312 ms. Remains : 1249/1300 places, 1200/1251 transitions.
Reachability property qltransition_901 is true.
SDD proceeding with computation,907 properties remain. new max is 2
SDD size :62 after 65
Reachability property qltransition_905 is true.
Reachability property qltransition_885 is true.
RANDOM walk for 116109 steps (24 resets) in 2189 ms. (53 steps per ms) remains 0/8 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 951 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 11065 ms.
BK_STOP 1716912690007
--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
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="ShieldIIPs-PT-050B"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
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 itstools"
echo " Input is ShieldIIPs-PT-050B, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r365-tall-171683778600097"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPs-PT-050B.tgz
mv ShieldIIPs-PT-050B execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;