Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2020-input.r178-tajo-158987882000210.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2020-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
.....................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itslola
Input is DNAwalker-PT-17redondantChoiceL, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r178-tajo-158987882000210
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 384K
-rw-r--r-- 1 mcc users 3.0K Mar 31 05:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 15K Mar 31 05:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 29 20:56 CTLFireability.txt
-rw-r--r-- 1 mcc users 15K Mar 29 20:56 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.6K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Apr 8 14:52 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 28 14:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 8 14:52 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 28 14:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 28 13:43 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 17K Mar 28 13:43 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 27 06:28 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 27 06:28 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 28 14:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 28 14:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 19 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 211K Mar 24 05:37 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 DNAwalker-PT-17redondantChoiceL-00
FORMULA_NAME DNAwalker-PT-17redondantChoiceL-01
FORMULA_NAME DNAwalker-PT-17redondantChoiceL-02
FORMULA_NAME DNAwalker-PT-17redondantChoiceL-03
FORMULA_NAME DNAwalker-PT-17redondantChoiceL-04
FORMULA_NAME DNAwalker-PT-17redondantChoiceL-05
FORMULA_NAME DNAwalker-PT-17redondantChoiceL-06
FORMULA_NAME DNAwalker-PT-17redondantChoiceL-07
FORMULA_NAME DNAwalker-PT-17redondantChoiceL-08
FORMULA_NAME DNAwalker-PT-17redondantChoiceL-09
FORMULA_NAME DNAwalker-PT-17redondantChoiceL-10
FORMULA_NAME DNAwalker-PT-17redondantChoiceL-11
FORMULA_NAME DNAwalker-PT-17redondantChoiceL-12
FORMULA_NAME DNAwalker-PT-17redondantChoiceL-13
FORMULA_NAME DNAwalker-PT-17redondantChoiceL-14
FORMULA_NAME DNAwalker-PT-17redondantChoiceL-15

=== Now, execution of the tool begins

BK_START 1591208674863

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-03 18:24:36] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2020-06-03 18:24:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-03 18:24:36] [INFO ] Load time of PNML (sax parser for PT used): 75 ms
[2020-06-03 18:24:36] [INFO ] Transformed 43 places.
[2020-06-03 18:24:36] [INFO ] Transformed 490 transitions.
[2020-06-03 18:24:36] [INFO ] Parsed PT model containing 43 places and 490 transitions in 113 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 100000 steps, including 3825 resets, run finished after 381 ms. (steps per millisecond=262 ) properties seen :[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1]
[2020-06-03 18:24:36] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
// Phase 1: matrix 489 rows 43 cols
[2020-06-03 18:24:36] [INFO ] Computed 0 place invariants in 9 ms
[2020-06-03 18:24:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 18:24:37] [INFO ] [Real]Absence check using state equation in 149 ms returned sat
[2020-06-03 18:24:37] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 18:24:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 18:24:37] [INFO ] [Nat]Absence check using state equation in 440 ms returned unsat
[2020-06-03 18:24:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 18:24:37] [INFO ] [Real]Absence check using state equation in 124 ms returned sat
[2020-06-03 18:24:37] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 18:24:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 18:24:38] [INFO ] [Nat]Absence check using state equation in 428 ms returned unsat
[2020-06-03 18:24:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 18:24:38] [INFO ] [Real]Absence check using state equation in 95 ms returned sat
[2020-06-03 18:24:38] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 18:24:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 18:24:39] [INFO ] [Nat]Absence check using state equation in 784 ms returned unsat
Successfully simplified 3 atomic propositions for a total of 3 simplifications.
[2020-06-03 18:24:39] [INFO ] Initial state reduction rules for CTL removed 4 formulas.
[2020-06-03 18:24:39] [INFO ] Flatten gal took : 81 ms
FORMULA DNAwalker-PT-17redondantChoiceL-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DNAwalker-PT-17redondantChoiceL-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DNAwalker-PT-17redondantChoiceL-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DNAwalker-PT-17redondantChoiceL-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2020-06-03 18:24:39] [INFO ] Flatten gal took : 32 ms
[2020-06-03 18:24:39] [INFO ] Export to MCC properties in file /home/mcc/execution/LTLFireability.sr.xml took 4 ms.
[2020-06-03 18:24:39] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml took 6 ms.
info: Time: 3600 - MCC
vrfy: Checking LTLFireability @ DNAwalker-PT-17redondantChoiceL @ 3570 seconds
vrfy: finished
info: timeLeft: 0
rslt: Output for LTLFireability @ DNAwalker-PT-17redondantChoiceL

{
"build":
{
"architecture": 64,
"assertions": false,
"build_hostname": "mcc2019",
"build_system": "x86_64-unknown-linux-gnu",
"optimizations": true,
"package_version": "2.0",
"svn_version": "3189M"
},
"call":
{
"exec_host": "mcc2020",
"markinglimit": null,
"parameters":
[
"--pnmlnet",
"model.pnml",
"--xmlformula",
"--formula=LTLFireability.xml",
"--mcc",
"--donotcomputecapacities",
"--encoder=simplecompressed",
"--check=modelchecking",
"--stubborn=deletion",
"--stateequation=par",
"--timelimit=3570",
"--localtimelimit=0",
"--preference=force_ltl",
"--json=LTLFireability.json",
"--jsoninclude=formula,formulastat,net"
],
"starttime": "Wed Jun 3 18:24:39 2020
",
"timelimit": 3570
},
"child": null,
"exit":
{
"error": null,
"memory": 55416,
"runtime": 3570.000000,
"signal": null,
"timelimitreached": true
},
"files":
{
"formula": "LTLFireability.xml",
"net": "model.pnml"
},
"formula":
{
"skeleton": "(G((X(*) AND **)) OR X(G(*))) : (F(G((** OR (G(F(**)) AND F(**))))) AND (** OR (G(F(**)) AND F(**)))) : X(G((F(*) OR (* OR (* OR (* OR *)))))) : G(F((G(F(((X(*) R *) AND *))) OR **))) : X(G((F((G(**) OR (G(**) AND F(G(**))))) AND (F((X(**) OR **)) OR (G(**) OR (G(**) AND F(G(**)))))))) : (F(G(**)) AND F((F(G((X(**) OR (** OR **)))) AND G((** OR G((X(**) OR (** OR **)))))))) : (X(X(G(*))) AND (G(*) OR (** OR **))) : (** AND (X(X(F(*))) OR F(**))) : X((F(**) OR **)) : X(G((F(G(*)) OR (G(**) OR (** OR **))))) : ((F(**) U **) OR (G((X(G(**)) OR **)) AND (** AND **))) : X(F(**))"
},
"net":
{
"arcs": 1438,
"conflict_clusters": 11,
"places": 43,
"places_significant": 43,
"singleton_clusters": 0,
"transitions": 490
},
"result":
{
"preliminary_value": "unknown unknown unknown unknown unknown unknown unknown unknown unknown unknown unknown unknown "
},
"task":
{
"type": "compound"
}
}
lola: LoLA will run for 3570 seconds at most (--timelimit)
lola: NET
lola: input: PNML file (--pnml)
lola: reading net from model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file model.pnml
lola: 533/268435456 symbol table entries, 0 collisions
lola: preprocessing...
lola: Size of bit vector: 1376
lola: finding significant places
lola: 43 places, 490 transitions, 43 significant places
lola: compute conflict clusters
lola: computed conflict clusters
lola: Computing conflicting sets
lola: Computing back conflicting sets
lola: TASK
lola: Reading formula in XML format (--xmlformula)
lola: reading pnml
lola: reading formula from LTLFireability.xml
lola: (G ((NOT(X (((p30 <= 1) OR (p40 <= 0)))) AND (((1 <= p21) AND (2 <= p23)) OR ((1 <= p7) AND (2 <= p17))))) OR NOT(X (F (((p30 <= 1) OR (p40 <= 0)))))) : (F (X (G ((G (F (((2 <= p7) AND (1 <= p39)))) U ((1 <= p18) AND (2 <= p32)))))) AND (G (F (((1 <= p37) AND (2 <= p38)))) U ((1 <= p37) AND (2 <= p38)))) : NOT(F (X ((X (((1 <= p6) AND (2 <= p16))) U ((((G (((2 <= p37) AND (1 <= p39))) AND (1 <= p6)) AND (2 <= p16)) AND (2 <= p37)) AND (1 <= p39)))))) : G (F ((NOT(F (G (((X (((1 <= p30) AND (2 <= p37))) U ((1 <= p3) AND (2 <= p7))) OR ((2 <= p8) AND (1 <= p30)))))) OR ((1 <= p14) AND (2 <= p15))))) : X (G ((F ((X (((1 <= p30) AND (2 <= p32))) OR ((2 <= p19) AND (1 <= p35)))) U (G (((2 <= p19) AND (1 <= p32))) U G (((1 <= p30) AND (2 <= p32))))))) : (F (G (((1 <= p35) AND (2 <= p38)))) AND F (G ((((p27 <= 0) OR (p32 <= 1)) U G (((X (((1 <= p15) AND (2 <= p28))) OR (p16 <= 1)) OR (p32 <= 0))))))) : (NOT(X (X (F (((2 <= p17) AND (1 <= p28)))))) AND ((NOT(F (((1 <= p14) AND (2 <= p39)))) OR (p12 <= 1)) OR (p38 <= 0))) : (((p13 <= 1) OR (p25 <= 0)) AND (NOT(G (X (X (((1 <= p11) OR ((2 <= p0) AND (1 <= p8))))))) OR F (((1 <= p23) AND (2 <= p30))))) : X ((F (((1 <= p17) AND (2 <= p28))) OR ((2 <= p19) AND (1 <= p33)))) : X (G ((((F (G (NOT(X (X (((1 <= p10) AND (2 <= p38))))))) OR G (((2 <= p4) AND (1 <= p32)))) OR (p2 <= 0)) OR (p12 <= 1)))) : ((F (((2 <= p25) AND (1 <= p35))) U ((2 <= p35) AND (1 <= p38))) OR ((G ((G (X (((2 <= p35) AND (1 <= p38)))) OR ((2 <= p25) AND (1 <= p35)))) AND (1 <= p3)) AND (2 <= p37))) : F (X (((1 <= p28) AND (2 <= p32))))
lola: rewrite Frontend/Parser/formula_rewrite.k:335
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:335
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:431
lola: rewrite Frontend/Parser/formula_rewrite.k:356
lola: rewrite Frontend/Parser/formula_rewrite.k:380
lola: rewrite Frontend/Parser/formula_rewrite.k:431
lola: rewrite Frontend/Parser/formula_rewrite.k:251
lola: rewrite Frontend/Parser/formula_rewrite.k:251
lola: rewrite Frontend/Parser/formula_rewrite.k:251
lola: rewrite Frontend/Parser/formula_rewrite.k:251
lola: rewrite Frontend/Parser/formula_rewrite.k:251
lola: rewrite Frontend/Parser/formula_rewrite.k:251
lola: rewrite Frontend/Parser/formula_rewrite.k:356
lola: rewrite Frontend/Parser/formula_rewrite.k:434
lola: rewrite Frontend/Parser/formula_rewrite.k:335
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:315
lola: rewrite Frontend/Parser/formula_rewrite.k:329
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:315
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:315
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:315
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:329
lola: rewrite Frontend/Parser/formula_rewrite.k:318
lola: rewrite Frontend/Parser/formula_rewrite.k:338
lola: rewrite Frontend/Parser/formula_rewrite.k:335
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:431
lola: rewrite Frontend/Parser/formula_rewrite.k:437
lola: rewrite Frontend/Parser/formula_rewrite.k:522
lola: rewrite Frontend/Parser/formula_rewrite.k:254
lola: rewrite Frontend/Parser/formula_rewrite.k:437
lola: rewrite Frontend/Parser/formula_rewrite.k:374
lola: rewrite Frontend/Parser/formula_rewrite.k:335
lola: rewrite Frontend/Parser/formula_rewrite.k:335
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:254
lola: rewrite Frontend/Parser/formula_rewrite.k:353
lola: rewrite Frontend/Parser/formula_rewrite.k:353
lola: rewrite Frontend/Parser/formula_rewrite.k:335
lola: rewrite Frontend/Parser/formula_rewrite.k:335
lola: rewrite Frontend/Parser/formula_rewrite.k:329
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:335
lola: rewrite Frontend/Parser/formula_rewrite.k:335
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:353
lola: rewrite Frontend/Parser/formula_rewrite.k:353
lola: rewrite Frontend/Parser/formula_rewrite.k:356
lola: rewrite Frontend/Parser/formula_rewrite.k:356
lola: rewrite Frontend/Parser/formula_rewrite.k:380
lola: rewrite Frontend/Parser/formula_rewrite.k:380
lola: rewrite Frontend/Parser/formula_rewrite.k:254
lola: rewrite Frontend/Parser/formula_rewrite.k:254
lola: rewrite Frontend/Parser/formula_rewrite.k:254
lola: rewrite Frontend/Parser/formula_rewrite.k:353
lola: rewrite Frontend/Parser/formula_rewrite.k:251
lola: rewrite Frontend/Parser/formula_rewrite.k:356
lola: computing a collection of formulas
lola: RUNNING
lola: subprocess 0 will run for 228 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (G ((X (((2 <= p30) AND (1 <= p40))) AND (((1 <= p21) AND (2 <= p23)) OR ((1 <= p7) AND (2 <= p17))))) OR X (G (((2 <= p30) AND (1 <= p40)))))
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: local time limit reached - aborting
lola:
preliminary result: unknown unknown unknown unknown unknown unknown unknown unknown unknown unknown unknown unknown
lola: caught signal User defined signal 1 - aborting LoLA
lola: memory consumption: 55416 KB
lola: time consumption: 1061 seconds
lola: print data as JSON (--json)
lola: writing JSON to LTLFireability.json
lola: closed JSON file LTLFireability.json
lola: time limit reached - aborting
lola:
preliminary result: unknown unknown unknown unknown unknown unknown unknown unknown unknown unknown unknown unknown
lola: memory consumption: 55416 KB
lola: time consumption: 3570 seconds
lola: print data as JSON (--json)
lola: writing JSON to LTLFireability.json
lola: closed JSON file LTLFireability.json
rslt: finished
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16427456 kB
MemFree: 16093100 kB
After kill :
MemTotal: 16427456 kB
MemFree: 16093100 kB

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

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="DNAwalker-PT-17redondantChoiceL"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itslola"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# 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 2-4028"
echo " Executing tool itslola"
echo " Input is DNAwalker-PT-17redondantChoiceL, 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 r178-tajo-158987882000210"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-17redondantChoiceL.tgz
mv DNAwalker-PT-17redondantChoiceL 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 ;