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.r091-tall-171624187900527.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)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is DBSingleClientW-PT-d1m08, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r091-tall-171624187900527
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 816K
-rw-r--r-- 1 mcc users 6.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Apr 22 14:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 22 14:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 18:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.6K Apr 12 12:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 72K Apr 12 12:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K Apr 12 12:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K Apr 12 12:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 6 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 432K May 18 16:42 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 DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-00
FORMULA_NAME DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-01
FORMULA_NAME DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-02
FORMULA_NAME DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-03
FORMULA_NAME DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-04
FORMULA_NAME DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-05
FORMULA_NAME DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-06
FORMULA_NAME DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-07
FORMULA_NAME DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-08
FORMULA_NAME DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-09
FORMULA_NAME DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-10
FORMULA_NAME DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-11
FORMULA_NAME DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-12
FORMULA_NAME DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-13
FORMULA_NAME DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-14
FORMULA_NAME DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1716292980192

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d1m08
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-21 12:03:01] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2024-05-21 12:03:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-21 12:03:01] [INFO ] Load time of PNML (sax parser for PT used): 111 ms
[2024-05-21 12:03:01] [INFO ] Transformed 1440 places.
[2024-05-21 12:03:01] [INFO ] Transformed 672 transitions.
[2024-05-21 12:03:01] [INFO ] Parsed PT model containing 1440 places and 672 transitions and 2688 arcs in 210 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 1093 places in 7 ms
Reduce places removed 1093 places and 0 transitions.
RANDOM walk for 40000 steps (9146 resets) in 2369 ms. (16 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (186 resets) in 106 ms. (37 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4001 steps (215 resets) in 66 ms. (59 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (185 resets) in 174 ms. (22 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (198 resets) in 18 ms. (210 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (203 resets) in 16 ms. (235 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (183 resets) in 31 ms. (125 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (64 resets) in 345 ms. (11 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (189 resets) in 47 ms. (83 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4001 steps (174 resets) in 31 ms. (125 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (167 resets) in 18 ms. (210 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (212 resets) in 30 ms. (129 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (164 resets) in 27 ms. (142 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (186 resets) in 17 ms. (222 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (381 resets) in 25 ms. (154 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (401 resets) in 37 ms. (105 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4001 steps (204 resets) in 25 ms. (153 steps per ms) remains 16/16 properties
Interrupted probabilistic random walk after 391316 steps, run timeout after 3001 ms. (steps per millisecond=130 ) properties seen :11 out of 16
Probabilistic random walk after 391316 steps, saw 152517 distinct states, run finished after 3006 ms. (steps per millisecond=130 ) properties seen :11
FORMULA DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
// Phase 1: matrix 672 rows 347 cols
[2024-05-21 12:03:05] [INFO ] Computed 6 invariants in 35 ms
[2024-05-21 12:03:05] [INFO ] State equation strengthened by 418 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 133/236 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/236 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-06 is UNSAT
FORMULA DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-06 TRUE TECHNIQUES SMT_REFINEMENT
Problem DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-07 is UNSAT
FORMULA DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-07 FALSE TECHNIQUES SMT_REFINEMENT
Problem DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-11 is UNSAT
FORMULA DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-11 FALSE TECHNIQUES SMT_REFINEMENT
Problem DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-15 is UNSAT
FORMULA DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-15 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 111/347 variables, 4/6 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/347 variables, 0/6 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 672/1019 variables, 347/353 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1019 variables, 418/771 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1019 variables, 0/771 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/1019 variables, 0/771 constraints. Problems are: Problem set: 4 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1019/1019 variables, and 771 constraints, problems are : Problem set: 4 solved, 1 unsolved in 675 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 347/347 constraints, ReadFeed: 418/418 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 196/202 variables, 1/1 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/202 variables, 0/1 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 3/205 variables, 1/2 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/205 variables, 0/2 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 142/347 variables, 4/6 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/347 variables, 0/6 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 672/1019 variables, 347/353 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1019 variables, 418/771 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1019 variables, 1/772 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1019 variables, 0/772 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/1019 variables, 0/772 constraints. Problems are: Problem set: 4 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1019/1019 variables, and 772 constraints, problems are : Problem set: 4 solved, 1 unsolved in 886 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 347/347 constraints, ReadFeed: 418/418 constraints, PredecessorRefiner: 1/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 1967ms problems are : Problem set: 4 solved, 1 unsolved
Parikh walk visited 0 properties in 46 ms.
Support contains 6 out of 347 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 347/347 places, 672/672 transitions.
Graph (complete) has 1246 edges and 347 vertex of which 326 are kept as prefixes of interest. Removing 21 places using SCC suffix rule.3 ms
Discarding 21 places :
Also discarding 0 output transitions
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Iterating post reduction 0 with 80 rules applied. Total rules applied 81 place count 326 transition count 592
Discarding 92 places :
Symmetric choice reduction at 1 with 92 rule applications. Total rules 173 place count 234 transition count 347
Iterating global reduction 1 with 92 rules applied. Total rules applied 265 place count 234 transition count 347
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 271 place count 234 transition count 341
Discarding 72 places :
Symmetric choice reduction at 2 with 72 rule applications. Total rules 343 place count 162 transition count 269
Iterating global reduction 2 with 72 rules applied. Total rules applied 415 place count 162 transition count 269
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 421 place count 162 transition count 263
Discarding 40 places :
Symmetric choice reduction at 3 with 40 rule applications. Total rules 461 place count 122 transition count 199
Iterating global reduction 3 with 40 rules applied. Total rules applied 501 place count 122 transition count 199
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 3 with 22 rules applied. Total rules applied 523 place count 122 transition count 177
Discarding 11 places :
Symmetric choice reduction at 4 with 11 rule applications. Total rules 534 place count 111 transition count 160
Iterating global reduction 4 with 11 rules applied. Total rules applied 545 place count 111 transition count 160
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 549 place count 111 transition count 156
Discarding 7 places :
Symmetric choice reduction at 5 with 7 rule applications. Total rules 556 place count 104 transition count 149
Iterating global reduction 5 with 7 rules applied. Total rules applied 563 place count 104 transition count 149
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 566 place count 104 transition count 146
Discarding 5 places :
Symmetric choice reduction at 6 with 5 rule applications. Total rules 571 place count 99 transition count 141
Iterating global reduction 6 with 5 rules applied. Total rules applied 576 place count 99 transition count 141
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 578 place count 99 transition count 139
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 579 place count 98 transition count 137
Iterating global reduction 7 with 1 rules applied. Total rules applied 580 place count 98 transition count 137
Applied a total of 580 rules in 100 ms. Remains 98 /347 variables (removed 249) and now considering 137/672 (removed 535) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 110 ms. Remains : 98/347 places, 137/672 transitions.
RANDOM walk for 40000 steps (9121 resets) in 160 ms. (248 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (1917 resets) in 64 ms. (615 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 42837 steps, run visited all 1 properties in 58 ms. (steps per millisecond=738 )
Probabilistic random walk after 42837 steps, saw 18491 distinct states, run finished after 62 ms. (steps per millisecond=690 ) properties seen :1
FORMULA DBSingleClientW-PT-d1m08-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
All properties solved without resorting to model-checking.
Total runtime 6702 ms.
ITS solved all properties within timeout

BK_STOP 1716292988137

--------------------
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_1.0.0.202405141337.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="DBSingleClientW-PT-d1m08"
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 DBSingleClientW-PT-d1m08, 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 r091-tall-171624187900527"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d1m08.tgz
mv DBSingleClientW-PT-d1m08 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 ;