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.r608-tall-171774429200268.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 tapaal
Input is BlocksWorld-PT-14, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r608-tall-171774429200268
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 64M
-rw-r--r-- 1 mcc users 1.2M Jun 7 06:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 5.3M Jun 7 06:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 1.6M Jun 7 06:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 8.1M Jun 7 06:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 38K Jun 7 06:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 122K Jun 7 06:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 823K Jun 7 06:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 3.2M Jun 7 06:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 7 06:26 NewModel
-rw-r--r-- 1 mcc users 4.2M Jun 7 06:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 19M Jun 7 06:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.6M Jun 7 06:39 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 13M Jun 7 06:39 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 158K Jun 7 06:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 380K Jun 7 06:43 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Jun 7 06:26 equiv_col
-rw-r--r-- 1 mcc users 3 Jun 7 06:26 instance
-rw-r--r-- 1 mcc users 6 Jun 7 06:26 iscolored
-rw-r--r-- 1 mcc users 5.1M Jun 7 06:26 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 BlocksWorld-PT-14-LTLFireability-00
FORMULA_NAME BlocksWorld-PT-14-LTLFireability-01
FORMULA_NAME BlocksWorld-PT-14-LTLFireability-02
FORMULA_NAME BlocksWorld-PT-14-LTLFireability-03
FORMULA_NAME BlocksWorld-PT-14-LTLFireability-04
FORMULA_NAME BlocksWorld-PT-14-LTLFireability-05
FORMULA_NAME BlocksWorld-PT-14-LTLFireability-06
FORMULA_NAME BlocksWorld-PT-14-LTLFireability-07
FORMULA_NAME BlocksWorld-PT-14-LTLFireability-08
FORMULA_NAME BlocksWorld-PT-14-LTLFireability-09
FORMULA_NAME BlocksWorld-PT-14-LTLFireability-10
FORMULA_NAME BlocksWorld-PT-14-LTLFireability-11
FORMULA_NAME BlocksWorld-PT-14-LTLFireability-12
FORMULA_NAME BlocksWorld-PT-14-LTLFireability-13
FORMULA_NAME BlocksWorld-PT-14-LTLFireability-14
FORMULA_NAME BlocksWorld-PT-14-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717867692102

tapaal
Got BK_BIN_PATH=/home/mcc/BenchKit/bin/
---> tapaal --- TAPAAL - v2.2024
Setting MODEL_PATH=.
Setting VERIFYPN=/home/mcc/BenchKit/bin/verifypn
Got BK_TIME_CONFINEMENT=3600
Setting TEMPDIR=/home/mcc/BenchKit/bin/tmp
Got BK_MEMORY_CONFINEMENT=16384
Limiting to 16265216 kB
Total timeout: 3590
Time left: 3590

*************************************
* TAPAAL verifying LTLFireability *
*************************************
TEMPDIR=/home/mcc/BenchKit/bin/tmp
QF=/home/mcc/BenchKit/bin/tmp/tmp.A8dl5ml6dc
MF=/home/mcc/BenchKit/bin/tmp/tmp.ZHBFiScKYZ
Time left: 3590
---------------------------------------------------
Step -1: Stripping Colors
---------------------------------------------------
Verifying stripped models (16 in total)

Time left: 3590
---------------------------------------------------
Step 0: Parallel Simplification
---------------------------------------------------
Doing parallel simplification (16 in total)
Total simplification timout is 718 -- reduction timeout is 299
timeout 1017 /home/mcc/BenchKit/bin/verifypn -n -ltl -q 718 -l 29 -d 299 -z 4 -s OverApprox --binary-query-io 2 --write-simplified /home/mcc/BenchKit/bin/tmp/tmp.A8dl5ml6dc --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.ZHBFiScKYZ -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./LTLFireability.xml

FORMULA BlocksWorld-PT-14-LTLFireability-01 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 1 was solved

Query is satisfied.

FORMULA BlocksWorld-PT-14-LTLFireability-02 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 2 was solved

Query is satisfied.

FORMULA BlocksWorld-PT-14-LTLFireability-05 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 5 was solved

Query is satisfied.

FORMULA BlocksWorld-PT-14-LTLFireability-06 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 6 was solved

Query is NOT satisfied.

FORMULA BlocksWorld-PT-14-LTLFireability-09 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 9 was solved

Query is satisfied.
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Time left: 3354

---------------------------------------------------
Step 1: Parallel processing
---------------------------------------------------
Doing parallel verification of individual queries (11 in total)
Each query is verified by 4 parallel strategies for 299 seconds
------------------- QUERY 1 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.052026 on verification
@@@67.43,176384@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur fire-count -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.ZHBFiScKYZ /home/mcc/BenchKit/bin/tmp/tmp.A8dl5ml6dc --binary-query-io 1 -x 1 -n

FORMULA BlocksWorld-PT-14-LTLFireability-08 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC LOGFIRECOUNT_HEUR(5000) OPTIM-1
Time left: 3286
------------------- QUERY 2 ----------------------
No solution found
parallel: Warning: This job was killed because it timed out:
parallel: Warning: eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur dist -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.ZHBFiScKYZ /home/mcc/BenchKit/bin/tmp/tmp.A8dl5ml6dc --binary-query-io 1 -x 2 -n
parallel: Warning: This job was killed because it timed out:
parallel: Warning: eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur fire-count -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.ZHBFiScKYZ /home/mcc/BenchKit/bin/tmp/tmp.A8dl5ml6dc --binary-query-io 1 -x 2 -n
parallel: Warning: This job was killed because it timed out:
parallel: Warning: eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur aut -s DFS -p -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.ZHBFiScKYZ /home/mcc/BenchKit/bin/tmp/tmp.A8dl5ml6dc --binary-query-io 1 -x 2 -n
parallel: Warning: This job was killed because it timed out:
parallel: Warning: eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl ndfs -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.ZHBFiScKYZ /home/mcc/BenchKit/bin/tmp/tmp.A8dl5ml6dc --binary-query-io 1 -x 2 -n


Time left: 2985
------------------- QUERY 3 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.047273 on verification
@@@67.10,176512@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur dist -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.ZHBFiScKYZ /home/mcc/BenchKit/bin/tmp/tmp.A8dl5ml6dc --binary-query-io 1 -x 3 -n

FORMULA BlocksWorld-PT-14-LTLFireability-13 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 2918
------------------- QUERY 4 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.067609 on verification
@@@63.81,176500@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur dist -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.ZHBFiScKYZ /home/mcc/BenchKit/bin/tmp/tmp.A8dl5ml6dc --binary-query-io 1 -x 4 -n

FORMULA BlocksWorld-PT-14-LTLFireability-10 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 2854
------------------- QUERY 5 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.045126 on verification
@@@66.75,176364@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur dist -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.ZHBFiScKYZ /home/mcc/BenchKit/bin/tmp/tmp.A8dl5ml6dc --binary-query-io 1 -x 5 -n

FORMULA BlocksWorld-PT-14-LTLFireability-15 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 2787
------------------- QUERY 6 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.044212 on verification
@@@72.08,176680@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur dist -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.ZHBFiScKYZ /home/mcc/BenchKit/bin/tmp/tmp.A8dl5ml6dc --binary-query-io 1 -x 6 -n

FORMULA BlocksWorld-PT-14-LTLFireability-12 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 2714
------------------- QUERY 7 ----------------------
No solution found
parallel: Warning: This job was killed because it timed out:
parallel: Warning: eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur dist -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.ZHBFiScKYZ /home/mcc/BenchKit/bin/tmp/tmp.A8dl5ml6dc --binary-query-io 1 -x 7 -n
parallel: Warning: This job was killed because it timed out:
parallel: Warning: eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur fire-count -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.ZHBFiScKYZ /home/mcc/BenchKit/bin/tmp/tmp.A8dl5ml6dc --binary-query-io 1 -x 7 -n
parallel: Warning: This job was killed because it timed out:
parallel: Warning: eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur aut -s DFS -p -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.ZHBFiScKYZ /home/mcc/BenchKit/bin/tmp/tmp.A8dl5ml6dc --binary-query-io 1 -x 7 -n
parallel: Warning: This job was killed because it timed out:
parallel: Warning: eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl ndfs -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.ZHBFiScKYZ /home/mcc/BenchKit/bin/tmp/tmp.A8dl5ml6dc --binary-query-io 1 -x 7 -n


Time left: 2413
------------------- QUERY 8 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is satisfied.
Spent 0.069585 on verification
@@@64.46,176296@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur aut -s DFS -p -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.ZHBFiScKYZ /home/mcc/BenchKit/bin/tmp/tmp.A8dl5ml6dc --binary-query-io 1 -x 8 -n

FORMULA BlocksWorld-PT-14-LTLFireability-07 TRUE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP OPTIM-1
Time left: 2348
------------------- QUERY 9 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.050326 on verification
@@@66.58,176376@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur aut -s DFS -p -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.ZHBFiScKYZ /home/mcc/BenchKit/bin/tmp/tmp.A8dl5ml6dc --binary-query-io 1 -x 9 -n

FORMULA BlocksWorld-PT-14-LTLFireability-04 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP OPTIM-1
Time left: 2281
------------------- QUERY 10 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is satisfied.
Spent 0.073799 on verification
@@@64.09,176444@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur aut -s DFS -p -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.ZHBFiScKYZ /home/mcc/BenchKit/bin/tmp/tmp.A8dl5ml6dc --binary-query-io 1 -x 10 -n

FORMULA BlocksWorld-PT-14-LTLFireability-03 TRUE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP OPTIM-1
Time left: 2217
------------------- QUERY 11 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.080502 on verification
@@@64.58,176392@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur dist -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.ZHBFiScKYZ /home/mcc/BenchKit/bin/tmp/tmp.A8dl5ml6dc --binary-query-io 1 -x 11 -n

FORMULA BlocksWorld-PT-14-LTLFireability-00 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 2152
---------------------------------------------------
Step 2: Sequential processing
---------------------------------------------------
Remaining 2 queries are verified sequentially.
Each query is verified for a dynamic timeout (at least 598 seconds)
Time left: 2152
------------------- QUERY 2 ----------------------
Running query 2 for 1076 seconds. Remaining: 2 queries and 2152 seconds
No solution found
parallel: Warning: This job was killed because it timed out:
parallel: Warning: eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan -q 40 -l 5 -d 119 -s BestFS --ltl-por automaton --ltl-heur aut' /home/mcc/BenchKit/bin/tmp/tmp.ZHBFiScKYZ /home/mcc/BenchKit/bin/tmp/tmp.A8dl5ml6dc --binary-query-io 1 -x 2 -n


Time left: 1074
------------------- QUERY 7 ----------------------
Running query 7 for 1074 seconds. Remaining: 1 queries and 1074 seconds
No solution found
parallel: Warning: This job was killed because it timed out:
parallel: Warning: eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan -q 40 -l 5 -d 119 -s BestFS --ltl-por automaton --ltl-heur aut' /home/mcc/BenchKit/bin/tmp/tmp.ZHBFiScKYZ /home/mcc/BenchKit/bin/tmp/tmp.A8dl5ml6dc --binary-query-io 1 -x 7 -n


Time left: -2
Out of time, terminating!
terminated-with-cleanup

BK_STOP 1717871284221

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

CPN OverApproximation is only usable on colored models

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="BlocksWorld-PT-14"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="tapaal"
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 tapaal"
echo " Input is BlocksWorld-PT-14, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r608-tall-171774429200268"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BlocksWorld-PT-14.tgz
mv BlocksWorld-PT-14 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;