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.r491-tall-167912710600494.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 smartxred
Input is Szymanski-PT-b12, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r491-tall-167912710600494
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.1M
-rw-r--r-- 1 mcc users 6.7K Feb 26 17:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K Feb 26 17:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 26 17:00 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Feb 26 17:00 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 17:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 17:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 17:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Feb 26 17:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 173K Feb 26 17:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K Feb 26 17:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K Feb 26 17:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:19 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 3.7M Mar 5 18:23 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 Szymanski-PT-b12-ReachabilityCardinality-00
FORMULA_NAME Szymanski-PT-b12-ReachabilityCardinality-01
FORMULA_NAME Szymanski-PT-b12-ReachabilityCardinality-02
FORMULA_NAME Szymanski-PT-b12-ReachabilityCardinality-03
FORMULA_NAME Szymanski-PT-b12-ReachabilityCardinality-04
FORMULA_NAME Szymanski-PT-b12-ReachabilityCardinality-05
FORMULA_NAME Szymanski-PT-b12-ReachabilityCardinality-06
FORMULA_NAME Szymanski-PT-b12-ReachabilityCardinality-07
FORMULA_NAME Szymanski-PT-b12-ReachabilityCardinality-08
FORMULA_NAME Szymanski-PT-b12-ReachabilityCardinality-09
FORMULA_NAME Szymanski-PT-b12-ReachabilityCardinality-10
FORMULA_NAME Szymanski-PT-b12-ReachabilityCardinality-11
FORMULA_NAME Szymanski-PT-b12-ReachabilityCardinality-12
FORMULA_NAME Szymanski-PT-b12-ReachabilityCardinality-13
FORMULA_NAME Szymanski-PT-b12-ReachabilityCardinality-14
FORMULA_NAME Szymanski-PT-b12-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1679261805038

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=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Szymanski-PT-b12
Applying reductions before tool smart
Invoking reducer
Running Version 202303021504
[2023-03-19 21:36:46] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2023-03-19 21:36:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 21:36:47] [INFO ] Load time of PNML (sax parser for PT used): 314 ms
[2023-03-19 21:36:47] [INFO ] Transformed 568 places.
[2023-03-19 21:36:47] [INFO ] Transformed 8320 transitions.
[2023-03-19 21:36:47] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 528 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 22 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 260 places in 29 ms
Reduce places removed 260 places and 256 transitions.
FORMULA Szymanski-PT-b12-ReachabilityCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b12-ReachabilityCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b12-ReachabilityCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b12-ReachabilityCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b12-ReachabilityCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b12-ReachabilityCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b12-ReachabilityCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b12-ReachabilityCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b12-ReachabilityCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b12-ReachabilityCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10008 steps, including 3 resets, run finished after 207 ms. (steps per millisecond=48 ) properties (out of 6) seen :3
FORMULA Szymanski-PT-b12-ReachabilityCardinality-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Szymanski-PT-b12-ReachabilityCardinality-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Szymanski-PT-b12-ReachabilityCardinality-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-19 21:36:48] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 308 cols
[2023-03-19 21:36:48] [INFO ] Computed 3 place invariants in 49 ms
[2023-03-19 21:36:48] [INFO ] After 278ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-19 21:36:48] [INFO ] [Nat]Absence check using 2 positive place invariants in 100 ms returned sat
[2023-03-19 21:36:48] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-19 21:36:49] [INFO ] After 929ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-19 21:36:49] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 21:37:05] [INFO ] After 15397ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-19 21:37:06] [INFO ] Deduced a trap composed of 52 places in 727 ms of which 7 ms to minimize.
[2023-03-19 21:37:06] [INFO ] Deduced a trap composed of 51 places in 596 ms of which 1 ms to minimize.
[2023-03-19 21:37:06] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1579 ms
[2023-03-19 21:37:07] [INFO ] After 17569ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 6268 ms.
[2023-03-19 21:37:13] [INFO ] After 25022ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 34 ms.
Support contains 16 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 8064/8064 transitions.
Graph (complete) has 9195 edges and 308 vertex of which 306 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.25 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions removed 121 transitions
Reduce isomorphic transitions removed 121 transitions.
Iterating post reduction 0 with 121 rules applied. Total rules applied 122 place count 306 transition count 7943
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 123 place count 305 transition count 7815
Iterating global reduction 1 with 1 rules applied. Total rules applied 124 place count 305 transition count 7815
Applied a total of 124 rules in 495 ms. Remains 305 /308 variables (removed 3) and now considering 7815/8064 (removed 249) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 497 ms. Remains : 305/308 places, 7815/8064 transitions.
Incomplete random walk after 10000 steps, including 3 resets, run finished after 114 ms. (steps per millisecond=87 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 135160 steps, run timeout after 3001 ms. (steps per millisecond=45 ) properties seen :{}
Probabilistic random walk after 135160 steps, saw 105241 distinct states, run finished after 3003 ms. (steps per millisecond=45 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-19 21:37:17] [INFO ] Flow matrix only has 2611 transitions (discarded 5204 similar events)
// Phase 1: matrix 2611 rows 305 cols
[2023-03-19 21:37:17] [INFO ] Computed 1 place invariants in 25 ms
[2023-03-19 21:37:17] [INFO ] After 68ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-19 21:37:17] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 21:37:20] [INFO ] After 2542ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-19 21:37:20] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 21:37:39] [INFO ] After 19265ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 21:37:39] [INFO ] After 19374ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 68 ms.
[2023-03-19 21:37:39] [INFO ] After 22077ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 12 ms.
Support contains 16 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7815/7815 transitions.
Applied a total of 0 rules in 718 ms. Remains 305 /305 variables (removed 0) and now considering 7815/7815 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 718 ms. Remains : 305/305 places, 7815/7815 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7815/7815 transitions.
Applied a total of 0 rules in 360 ms. Remains 305 /305 variables (removed 0) and now considering 7815/7815 (removed 0) transitions.
[2023-03-19 21:37:40] [INFO ] Flow matrix only has 2611 transitions (discarded 5204 similar events)
[2023-03-19 21:37:40] [INFO ] Invariant cache hit.
[2023-03-19 21:37:41] [INFO ] Implicit Places using invariants in 530 ms returned []
[2023-03-19 21:37:41] [INFO ] Flow matrix only has 2611 transitions (discarded 5204 similar events)
[2023-03-19 21:37:41] [INFO ] Invariant cache hit.
[2023-03-19 21:37:41] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 21:37:47] [INFO ] Implicit Places using invariants and state equation in 6072 ms returned []
Implicit Place search using SMT with State Equation took 6612 ms to find 0 implicit places.
[2023-03-19 21:37:48] [INFO ] Redundant transitions in 958 ms returned []
[2023-03-19 21:37:48] [INFO ] Flow matrix only has 2611 transitions (discarded 5204 similar events)
[2023-03-19 21:37:48] [INFO ] Invariant cache hit.
[2023-03-19 21:37:51] [INFO ] Dead Transitions using invariants and state equation in 2974 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10926 ms. Remains : 305/305 places, 7815/7815 transitions.
Graph (trivial) has 5168 edges and 305 vertex of which 38 / 305 are part of one of the 2 SCC in 9 ms
Free SCC test removed 36 places
Drop transitions removed 4264 transitions
Ensure Unique test removed 1182 transitions
Reduce isomorphic transitions removed 5446 transitions.
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 0 with 416 rules applied. Total rules applied 417 place count 269 transition count 1953
Applied a total of 417 rules in 341 ms. Remains 269 /305 variables (removed 36) and now considering 1953/7815 (removed 5862) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 1953 rows 269 cols
[2023-03-19 21:37:51] [INFO ] Computed 1 place invariants in 11 ms
[2023-03-19 21:37:51] [INFO ] After 162ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-19 21:37:51] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 21:37:52] [INFO ] After 734ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-19 21:37:52] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 21:37:53] [INFO ] After 1130ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-19 21:37:54] [INFO ] After 2121ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 1551 ms.
[2023-03-19 21:37:56] [INFO ] After 4513ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2023-03-19 21:37:56] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/ReachabilityCardinality.sr.xml took 3 ms.
[2023-03-19 21:37:56] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 305 places, 7815 transitions and 31374 arcs took 31 ms.
[2023-03-19 21:37:57] [INFO ] Flatten gal took : 816 ms
Total runtime 70740 ms.
There are residual formulas that ITS could not solve within timeout
======================================================
========== this is Smart for the MCC'2018 ============
======================================================
Running Szymanski (PT), instance b12
Examination ReachabilityCardinality
Parser /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//parser/Cardinality.jar
Model checker /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//rem_exec//smart

GOT IT HERE. BS
Petri model created: 305 places, 7815 transitions, 31374 arcs.
Final Score: 117935.27
Took : 130 seconds
Reachability Cardinality file is: ReachabilityCardinality.xml
READY TO PARSE. BS
PROPERTY: Szymanski-PT-b12-ReachabilityCardinality-09 (reachable & potential(( ( (tk(P71)) <= ( 10 ) ) & ( ( ( 1 ) <= (tk(P253)) ) & ( (! ( ( 1 ) <= (tk(P22)) )) | ( (! ( ( 10 ) <= (tk(P101)) )) & ( (! ( (tk(P266)) <= ( 12 ) )) & (! ( (tk(P232)) <= ( 0 ) )) ) ) ) ) )))
PROPERTY: Szymanski-PT-b12-ReachabilityCardinality-10 (reachable & potential(( ( ( (tk(P256)) <= ( 0 ) ) & (! ( ( 10 ) <= (tk(P7)) )) ) & ( ( ( (tk(P37)) <= ( 1 ) ) | (! ( (tk(P267)) <= ( 0 ) )) ) & ( ( (! ( (tk(P197)) <= ( 0 ) )) & ( (! ( (tk(P67)) <= ( 7 ) )) & (! ( ( 9 ) <= (tk(P7)) )) ) ) | ( ( ( 1 ) <= (tk(P243)) ) & ( ( ( 6 ) <= (tk(P98)) ) | ( (tk(P169)) <= ( 0 ) ) ) ) ) ) )))
PROPERTY: Szymanski-PT-b12-ReachabilityCardinality-14 (reachable &!potential( ( (tk(P254)) <= ( 0 ) )))
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 6495100 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16094120 kB

BK_TIME_CONFINEMENT_REACHED

--------------------
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 ReachabilityCardinality -timeout 360 -rebuildPNML
Caught signal 15, terminating.

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="Szymanski-PT-b12"
export BK_EXAMINATION="ReachabilityCardinality"
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 Szymanski-PT-b12, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r491-tall-167912710600494"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b12.tgz
mv Szymanski-PT-b12 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;