Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r043-tajo-167813696800383.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
......................
=====================================================================
Generated by BenchKit 2-5348
Executing tool smartxred
Input is BugTracking-PT-q3m256, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r043-tajo-167813696800383
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 16M
-rw-r--r-- 1 mcc users 9.2K Feb 26 07:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K Feb 26 07:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 26 07:11 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 26 07:11 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.6K Feb 25 15:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 15:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 15:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 15:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Feb 26 08:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 142K Feb 26 08:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Feb 26 07:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 75K Feb 26 07:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 15:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 15:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 16M Mar 5 18:22 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 BugTracking-PT-q3m256-ReachabilityFireability-00
FORMULA_NAME BugTracking-PT-q3m256-ReachabilityFireability-01
FORMULA_NAME BugTracking-PT-q3m256-ReachabilityFireability-02
FORMULA_NAME BugTracking-PT-q3m256-ReachabilityFireability-03
FORMULA_NAME BugTracking-PT-q3m256-ReachabilityFireability-04
FORMULA_NAME BugTracking-PT-q3m256-ReachabilityFireability-05
FORMULA_NAME BugTracking-PT-q3m256-ReachabilityFireability-06
FORMULA_NAME BugTracking-PT-q3m256-ReachabilityFireability-07
FORMULA_NAME BugTracking-PT-q3m256-ReachabilityFireability-08
FORMULA_NAME BugTracking-PT-q3m256-ReachabilityFireability-09
FORMULA_NAME BugTracking-PT-q3m256-ReachabilityFireability-10
FORMULA_NAME BugTracking-PT-q3m256-ReachabilityFireability-11
FORMULA_NAME BugTracking-PT-q3m256-ReachabilityFireability-12
FORMULA_NAME BugTracking-PT-q3m256-ReachabilityFireability-13
FORMULA_NAME BugTracking-PT-q3m256-ReachabilityFireability-14
FORMULA_NAME BugTracking-PT-q3m256-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1678786485351

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=smartxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BugTracking-PT-q3m256
Applying reductions before tool smart
Invoking reducer
Running Version 202303021504
[2023-03-14 09:34:47] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-14 09:34:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-14 09:34:48] [INFO ] Load time of PNML (sax parser for PT used): 667 ms
[2023-03-14 09:34:48] [INFO ] Transformed 754 places.
[2023-03-14 09:34:48] [INFO ] Transformed 27370 transitions.
[2023-03-14 09:34:48] [INFO ] Parsed PT model containing 754 places and 27370 transitions and 136172 arcs in 852 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 18 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 514 places in 108 ms
Reduce places removed 514 places and 24601 transitions.
FORMULA BugTracking-PT-q3m256-ReachabilityFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m256-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m256-ReachabilityFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m256-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m256-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m256-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m256-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m256-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m256-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m256-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m256-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m256-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m256-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 2 resets, run finished after 161 ms. (steps per millisecond=62 ) properties (out of 3) seen :1
FORMULA BugTracking-PT-q3m256-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-14 09:34:48] [INFO ] Flow matrix only has 2642 transitions (discarded 127 similar events)
// Phase 1: matrix 2642 rows 240 cols
[2023-03-14 09:34:48] [INFO ] Computed 10 place invariants in 37 ms
[2023-03-14 09:34:49] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2023-03-14 09:34:49] [INFO ] After 770ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-14 09:34:49] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2023-03-14 09:34:50] [INFO ] After 498ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-14 09:34:50] [INFO ] State equation strengthened by 255 read => feed constraints.
[2023-03-14 09:34:50] [INFO ] After 398ms SMT Verify possible using 255 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-14 09:34:51] [INFO ] Deduced a trap composed of 32 places in 398 ms of which 7 ms to minimize.
[2023-03-14 09:34:51] [INFO ] Deduced a trap composed of 11 places in 375 ms of which 1 ms to minimize.
[2023-03-14 09:34:52] [INFO ] Deduced a trap composed of 14 places in 530 ms of which 4 ms to minimize.
[2023-03-14 09:34:52] [INFO ] Deduced a trap composed of 54 places in 293 ms of which 2 ms to minimize.
[2023-03-14 09:34:53] [INFO ] Deduced a trap composed of 15 places in 518 ms of which 1 ms to minimize.
[2023-03-14 09:34:53] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 2650 ms
[2023-03-14 09:34:53] [INFO ] After 3358ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 209 ms.
[2023-03-14 09:34:53] [INFO ] After 4168ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 196 ms.
Support contains 8 out of 240 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 240/240 places, 2769/2769 transitions.
Graph (complete) has 3422 edges and 240 vertex of which 238 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.11 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 237 transition count 2750
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 237 transition count 2750
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 2 places in 7 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 7 place count 235 transition count 2753
Free-agglomeration rule applied 5 times.
Iterating global reduction 0 with 5 rules applied. Total rules applied 12 place count 235 transition count 2748
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 17 place count 230 transition count 2748
Applied a total of 17 rules in 351 ms. Remains 230 /240 variables (removed 10) and now considering 2748/2769 (removed 21) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 352 ms. Remains : 230/240 places, 2748/2769 transitions.
Incomplete random walk after 10001 steps, including 2 resets, run finished after 109 ms. (steps per millisecond=91 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 145552 steps, run timeout after 3001 ms. (steps per millisecond=48 ) properties seen :{}
Probabilistic random walk after 145552 steps, saw 95511 distinct states, run finished after 3002 ms. (steps per millisecond=48 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-14 09:34:57] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
// Phase 1: matrix 2619 rows 230 cols
[2023-03-14 09:34:57] [INFO ] Computed 8 place invariants in 29 ms
[2023-03-14 09:34:57] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-14 09:34:58] [INFO ] After 613ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-14 09:34:58] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-14 09:34:58] [INFO ] After 611ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-14 09:34:58] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-14 09:34:59] [INFO ] After 338ms SMT Verify possible using 241 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-14 09:34:59] [INFO ] Deduced a trap composed of 31 places in 215 ms of which 1 ms to minimize.
[2023-03-14 09:34:59] [INFO ] Deduced a trap composed of 31 places in 207 ms of which 1 ms to minimize.
[2023-03-14 09:35:00] [INFO ] Deduced a trap composed of 15 places in 219 ms of which 1 ms to minimize.
[2023-03-14 09:35:00] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 936 ms
[2023-03-14 09:35:00] [INFO ] After 1583ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 261 ms.
[2023-03-14 09:35:00] [INFO ] After 2567ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 139 ms.
Support contains 8 out of 230 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 230/230 places, 2748/2748 transitions.
Applied a total of 0 rules in 58 ms. Remains 230 /230 variables (removed 0) and now considering 2748/2748 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58 ms. Remains : 230/230 places, 2748/2748 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 230/230 places, 2748/2748 transitions.
Applied a total of 0 rules in 53 ms. Remains 230 /230 variables (removed 0) and now considering 2748/2748 (removed 0) transitions.
[2023-03-14 09:35:01] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2023-03-14 09:35:01] [INFO ] Invariant cache hit.
[2023-03-14 09:35:01] [INFO ] Implicit Places using invariants in 359 ms returned []
[2023-03-14 09:35:01] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2023-03-14 09:35:01] [INFO ] Invariant cache hit.
[2023-03-14 09:35:01] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-14 09:35:02] [INFO ] Implicit Places using invariants and state equation in 1542 ms returned []
Implicit Place search using SMT with State Equation took 1913 ms to find 0 implicit places.
[2023-03-14 09:35:03] [INFO ] Redundant transitions in 229 ms returned []
[2023-03-14 09:35:03] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2023-03-14 09:35:03] [INFO ] Invariant cache hit.
[2023-03-14 09:35:03] [INFO ] Dead Transitions using invariants and state equation in 764 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2969 ms. Remains : 230/230 places, 2748/2748 transitions.
Drop transitions removed 6 transitions
Ensure Unique test removed 124 transitions
Reduce isomorphic transitions removed 130 transitions.
Iterating post reduction 0 with 130 rules applied. Total rules applied 130 place count 230 transition count 2618
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 134 place count 228 transition count 2616
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 135 place count 228 transition count 2615
Free-agglomeration rule applied 4 times.
Iterating global reduction 1 with 4 rules applied. Total rules applied 139 place count 228 transition count 2611
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 143 place count 224 transition count 2611
Applied a total of 143 rules in 151 ms. Remains 224 /230 variables (removed 6) and now considering 2611/2748 (removed 137) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 2611 rows 224 cols
[2023-03-14 09:35:04] [INFO ] Computed 9 place invariants in 33 ms
[2023-03-14 09:35:04] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-14 09:35:04] [INFO ] After 662ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-14 09:35:04] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-14 09:35:05] [INFO ] After 640ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-14 09:35:05] [INFO ] After 976ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 208 ms.
[2023-03-14 09:35:06] [INFO ] After 1241ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2023-03-14 09:35:06] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 7 ms.
[2023-03-14 09:35:06] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 230 places, 2748 transitions and 13487 arcs took 24 ms.
[2023-03-14 09:35:06] [INFO ] Flatten gal took : 357 ms
Total runtime 19521 ms.
There are residual formulas that ITS could not solve within timeout
======================================================
========== this is Smart for the MCC'2018 ============
======================================================
Running BugTracking (PT), instance q3m256
Examination ReachabilityFireability
Parser /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//parser/Fireability.jar
Model checker /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//rem_exec//smart

GOT IT HERE. BS
Petri model created: 230 places, 2748 transitions, 13487 arcs.
Final Score: 33234.85
Took : 61 seconds
Reachability Fireability file is: ReachabilityFireability.xml
READY TO PARSE. BS

BK_STOP 1678786568589

--------------------
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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -timeout 360 -rebuildPNML
ERROR in file model.sm near line 16481:
syntax error

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="BugTracking-PT-q3m256"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="smartxred"
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 2-5348"
echo " Executing tool smartxred"
echo " Input is BugTracking-PT-q3m256, 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 r043-tajo-167813696800383"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BugTracking-PT-q3m256.tgz
mv BugTracking-PT-q3m256 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 '' 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 ;