Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r224-smll-167840362600172.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool gold2022
Input is HealthRecord-PT-06, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r224-smll-167840362600172
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 7.8K Feb 26 18:11 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K Feb 26 18:11 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K Feb 26 18:06 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K Feb 26 18:06 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:13 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:13 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 26 18:12 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Feb 26 18:12 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Feb 26 18:11 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Feb 26 18:11 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:13 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 67K 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

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1678647814878

Running Version 202205111006
[2023-03-12 19:03:36] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2023-03-12 19:03:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-12 19:03:37] [INFO ] Load time of PNML (sax parser for PT used): 145 ms
[2023-03-12 19:03:37] [INFO ] Transformed 154 places.
[2023-03-12 19:03:37] [INFO ] Transformed 319 transitions.
[2023-03-12 19:03:37] [INFO ] Found NUPN structural information;
[2023-03-12 19:03:37] [INFO ] Parsed PT model containing 154 places and 319 transitions in 308 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 154/154 places, 319/319 transitions.
Graph (trivial) has 262 edges and 154 vertex of which 14 / 154 are part of one of the 7 SCC in 7 ms
Free SCC test removed 7 places
Ensure Unique test removed 32 transitions
Reduce isomorphic transitions removed 32 transitions.
Discarding 81 places :
Symmetric choice reduction at 0 with 81 rule applications. Total rules 82 place count 66 transition count 125
Iterating global reduction 0 with 81 rules applied. Total rules applied 163 place count 66 transition count 125
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 173 place count 56 transition count 105
Iterating global reduction 0 with 10 rules applied. Total rules applied 183 place count 56 transition count 105
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 192 place count 56 transition count 96
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 195 place count 53 transition count 87
Iterating global reduction 1 with 3 rules applied. Total rules applied 198 place count 53 transition count 87
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 201 place count 50 transition count 81
Iterating global reduction 1 with 3 rules applied. Total rules applied 204 place count 50 transition count 81
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 213 place count 50 transition count 72
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -35
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 223 place count 45 transition count 107
Applied a total of 223 rules in 62 ms. Remains 45 /154 variables (removed 109) and now considering 107/319 (removed 212) transitions.
[2023-03-12 19:03:37] [INFO ] Flow matrix only has 83 transitions (discarded 24 similar events)
// Phase 1: matrix 83 rows 45 cols
[2023-03-12 19:03:37] [INFO ] Computed 18 place invariants in 17 ms
[2023-03-12 19:03:37] [INFO ] Implicit Places using invariants in 299 ms returned []
[2023-03-12 19:03:37] [INFO ] Flow matrix only has 83 transitions (discarded 24 similar events)
// Phase 1: matrix 83 rows 45 cols
[2023-03-12 19:03:37] [INFO ] Computed 18 place invariants in 4 ms
[2023-03-12 19:03:37] [INFO ] State equation strengthened by 23 read => feed constraints.
[2023-03-12 19:03:37] [INFO ] Implicit Places using invariants and state equation in 189 ms returned []
Implicit Place search using SMT with State Equation took 532 ms to find 0 implicit places.
[2023-03-12 19:03:37] [INFO ] Flow matrix only has 83 transitions (discarded 24 similar events)
// Phase 1: matrix 83 rows 45 cols
[2023-03-12 19:03:37] [INFO ] Computed 18 place invariants in 4 ms
[2023-03-12 19:03:38] [INFO ] Dead Transitions using invariants and state equation in 194 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 45/154 places, 107/319 transitions.
Finished structural reductions, in 1 iterations. Remains : 45/154 places, 107/319 transitions.
Discarding 75 transitions out of 107. Remains 32
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 1362 resets, run finished after 1013 ms. (steps per millisecond=9 ) properties (out of 31) seen :13
Incomplete Best-First random walk after 1001 steps, including 19 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 22 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 22 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 25 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 32 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 22 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 24 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 22 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 19 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 22 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 22 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 20 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 23 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 22 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 22 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 20 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 22 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 18) seen :0
Running SMT prover for 18 properties.
[2023-03-12 19:03:39] [INFO ] Flow matrix only has 83 transitions (discarded 24 similar events)
// Phase 1: matrix 83 rows 45 cols
[2023-03-12 19:03:39] [INFO ] Computed 18 place invariants in 2 ms
[2023-03-12 19:03:39] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2023-03-12 19:03:39] [INFO ] [Real]Absence check using 10 positive and 8 generalized place invariants in 6 ms returned sat
[2023-03-12 19:03:39] [INFO ] After 253ms SMT Verify possible using state equation in real domain returned unsat :0 sat :3 real:15
[2023-03-12 19:03:39] [INFO ] State equation strengthened by 23 read => feed constraints.
[2023-03-12 19:03:39] [INFO ] After 33ms SMT Verify possible using 23 Read/Feed constraints in real domain returned unsat :0 sat :0 real:18
[2023-03-12 19:03:39] [INFO ] After 500ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:18
[2023-03-12 19:03:39] [INFO ] [Nat]Absence check using 10 positive place invariants in 7 ms returned sat
[2023-03-12 19:03:40] [INFO ] [Nat]Absence check using 10 positive and 8 generalized place invariants in 8 ms returned sat
[2023-03-12 19:03:40] [INFO ] After 206ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :18
[2023-03-12 19:03:40] [INFO ] After 163ms SMT Verify possible using 23 Read/Feed constraints in natural domain returned unsat :0 sat :18
[2023-03-12 19:03:40] [INFO ] After 385ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :18
Attempting to minimize the solution found.
Minimization took 133 ms.
[2023-03-12 19:03:40] [INFO ] After 923ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :18
Fused 18 Parikh solutions to 9 different solutions.
Parikh walk visited 0 properties in 5 ms.
Support contains 31 out of 45 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 45/45 places, 107/107 transitions.
Drop transitions removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 45 transition count 87
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 22 place count 45 transition count 85
Applied a total of 22 rules in 25 ms. Remains 45 /45 variables (removed 0) and now considering 85/107 (removed 22) transitions.
Finished structural reductions, in 1 iterations. Remains : 45/45 places, 85/107 transitions.
Incomplete random walk after 1000000 steps, including 134808 resets, run finished after 23768 ms. (steps per millisecond=42 ) properties (out of 18) seen :13
Incomplete Best-First random walk after 1000001 steps, including 21751 resets, run finished after 4273 ms. (steps per millisecond=234 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 25637 resets, run finished after 4971 ms. (steps per millisecond=201 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 21709 resets, run finished after 4085 ms. (steps per millisecond=244 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 21435 resets, run finished after 2899 ms. (steps per millisecond=344 ) properties (out of 5) seen :2
Running SMT prover for 3 properties.
[2023-03-12 19:04:20] [INFO ] Flow matrix only has 82 transitions (discarded 3 similar events)
// Phase 1: matrix 82 rows 45 cols
[2023-03-12 19:04:20] [INFO ] Computed 18 place invariants in 1 ms
[2023-03-12 19:04:20] [INFO ] [Real]Absence check using 10 positive place invariants in 5 ms returned sat
[2023-03-12 19:04:20] [INFO ] [Real]Absence check using 10 positive and 8 generalized place invariants in 4 ms returned sat
[2023-03-12 19:04:20] [INFO ] After 58ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:2
[2023-03-12 19:04:20] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 19:04:20] [INFO ] After 10ms SMT Verify possible using 22 Read/Feed constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-12 19:04:20] [INFO ] After 132ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-12 19:04:21] [INFO ] [Nat]Absence check using 10 positive place invariants in 7 ms returned sat
[2023-03-12 19:04:21] [INFO ] [Nat]Absence check using 10 positive and 8 generalized place invariants in 4 ms returned sat
[2023-03-12 19:04:21] [INFO ] After 61ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-12 19:04:21] [INFO ] After 27ms SMT Verify possible using 22 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-12 19:04:21] [INFO ] After 55ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 22 ms.
[2023-03-12 19:04:21] [INFO ] After 188ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 104 ms.
Support contains 12 out of 45 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 45/45 places, 85/85 transitions.
Graph (complete) has 247 edges and 45 vertex of which 36 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.5 ms
Discarding 9 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 35 transition count 84
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 35 transition count 84
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 4 place count 35 transition count 83
Free-agglomeration rule applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 35 transition count 82
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 6 place count 34 transition count 82
Drop transitions removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 2 with 3 rules applied. Total rules applied 9 place count 34 transition count 79
Partial Free-agglomeration rule applied 7 times.
Drop transitions removed 7 transitions
Iterating global reduction 2 with 7 rules applied. Total rules applied 16 place count 34 transition count 79
Applied a total of 16 rules in 32 ms. Remains 34 /45 variables (removed 11) and now considering 79/85 (removed 6) transitions.
Finished structural reductions, in 1 iterations. Remains : 34/45 places, 79/85 transitions.
Incomplete random walk after 1000000 steps, including 138477 resets, run finished after 16029 ms. (steps per millisecond=62 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000001 steps, including 22410 resets, run finished after 2640 ms. (steps per millisecond=378 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000001 steps, including 26944 resets, run finished after 2984 ms. (steps per millisecond=335 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000000 steps, including 22599 resets, run finished after 2622 ms. (steps per millisecond=381 ) properties (out of 3) seen :0
Finished probabilistic random walk after 34387 steps, run visited all 3 properties in 265 ms. (steps per millisecond=129 )
Probabilistic random walk after 34387 steps, saw 7424 distinct states, run finished after 265 ms. (steps per millisecond=129 ) properties seen :3
Able to resolve query QuasiLiveness after proving 32 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 68931 ms.

BK_STOP 1678647885941

--------------------
content from stderr:

+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination QuasiLiveness -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m

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="HealthRecord-PT-06"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2022"
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 2-5348"
echo " Executing tool gold2022"
echo " Input is HealthRecord-PT-06, 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 r224-smll-167840362600172"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HealthRecord-PT-06.tgz
mv HealthRecord-PT-06 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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;