fond
Model Checking Contest 2018
8th edition, Bratislava, Slovakia, June 26, 2018
Execution of r070-smll-152649743100287
Last Updated
June 26, 2018

About the Execution of M4M.full for DNAwalker-PT-09ringLR

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1422.720 227283.00 447111.00 1224.50 ???????????????? normal

Execution Chart

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

Trace from the execution

Waiting for the VM to be ready (probing ssh)
....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
/home/mcc/execution
total 276K
-rw-r--r-- 1 mcc users 3.0K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 16K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 15 18:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 15 18:50 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.6K May 15 18:50 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 2.4K May 15 18:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 9.9K May 15 18:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K May 15 18:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 8.3K May 15 18:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 22K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 112 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 350 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 2.9K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 17K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 15 18:50 equiv_col
-rw-r--r-- 1 mcc users 9 May 15 18:50 instance
-rw-r--r-- 1 mcc users 6 May 15 18:50 iscolored
-rw-r--r-- 1 mcc users 112K May 15 18:50 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool mcc4mcc-full
Input is DNAwalker-PT-09ringLR, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r070-smll-152649743100287
=====================================================================


--------------------
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-09ringLR-ReachabilityFireability-00
FORMULA_NAME DNAwalker-PT-09ringLR-ReachabilityFireability-01
FORMULA_NAME DNAwalker-PT-09ringLR-ReachabilityFireability-02
FORMULA_NAME DNAwalker-PT-09ringLR-ReachabilityFireability-03
FORMULA_NAME DNAwalker-PT-09ringLR-ReachabilityFireability-04
FORMULA_NAME DNAwalker-PT-09ringLR-ReachabilityFireability-05
FORMULA_NAME DNAwalker-PT-09ringLR-ReachabilityFireability-06
FORMULA_NAME DNAwalker-PT-09ringLR-ReachabilityFireability-07
FORMULA_NAME DNAwalker-PT-09ringLR-ReachabilityFireability-08
FORMULA_NAME DNAwalker-PT-09ringLR-ReachabilityFireability-09
FORMULA_NAME DNAwalker-PT-09ringLR-ReachabilityFireability-10
FORMULA_NAME DNAwalker-PT-09ringLR-ReachabilityFireability-11
FORMULA_NAME DNAwalker-PT-09ringLR-ReachabilityFireability-12
FORMULA_NAME DNAwalker-PT-09ringLR-ReachabilityFireability-13
FORMULA_NAME DNAwalker-PT-09ringLR-ReachabilityFireability-14
FORMULA_NAME DNAwalker-PT-09ringLR-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1526759577238


BK_STOP 1526759804521

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

Prefix is 65b80f64.
Reading known information in /usr/share/mcc4mcc/65b80f64-known.json.
Reading learned information in /usr/share/mcc4mcc/65b80f64-learned.json.
Reading value translations in /usr/share/mcc4mcc/65b80f64-values.json.
Using directory /home/mcc/execution for input, as it contains a model.pnml file.
Using DNAwalker-PT-09ringLR as instance name.
Using DNAwalker as model name.
Using algorithm or tool decision-tree.
Model characteristics are: {'Examination': 'ReachabilityFireability', 'Place/Transition': True, 'Colored': False, 'Relative-Time': 1, 'Relative-Memory': 1, 'Ordinary': False, 'Simple Free Choice': False, 'Extended Free Choice': False, 'State Machine': False, 'Marked Graph': False, 'Connected': True, 'Strongly Connected': False, 'Source Place': None, 'Sink Place': False, 'Source Transition': False, 'Sink Transition': None, 'Loop Free': False, 'Conservative': False, 'Sub-Conservative': True, 'Nested Units': False, 'Safe': False, 'Deadlock': True, 'Reversible': False, 'Quasi Live': None, 'Live': None}.
Known tools are: [{'Time': 3337, 'Memory': 294.15, 'Tool': 'itstools'}, {'Time': 3846, 'Memory': 339.85, 'Tool': 'itstools'}, {'Time': 10685, 'Memory': 7579.78, 'Tool': 'marcie'}, {'Time': 10787, 'Memory': 7579.98, 'Tool': 'marcie'}, {'Time': 1908214, 'Memory': 2007.14, 'Tool': 'lola'}, {'Time': 1909728, 'Memory': 2008.93, 'Tool': 'lola'}].
Learned tools are: [{'Tool': 'lola'}].
Learned tool lola is 571.8351813005694x far from the best tool itstools.
ReachabilityFireability lola DNAwalker-PT-09ringLR...

Time: 3600 - MCC
----- Start make prepare stdout -----
----- Start make prepare stderr -----
===========================================================================================
DNAwalker-PT-09ringLR: translating PT Petri net model.pnml into LoLA format
===========================================================================================
translating PT Petri net complete


checking for too many tokens
===========================================================================================
DNAwalker-PT-09ringLR: translating PT formula ReachabilityFireability into LoLA format
===========================================================================================
translating formula complete
touch formulae;
----- Start make result stdout -----
----- Start make result stderr -----
ReachabilityFireability @ DNAwalker-PT-09ringLR @ 3540 seconds
Makefile:222: recipe for target 'verify' failed
make: [verify] Error 134 (ignored)
----- Start make result stderr -----
----- Start make result stdout -----
lola: LoLA will run for 3540 seconds at most (--timelimit)
lola: NET
lola: reading net from model.pnml.lola
lola: finished parsing
lola: closed net file model.pnml.lola
lola: 287/65536 symbol table entries, 0 collisions
lola: preprocessing...
lola: finding significant places
lola: 27 places, 260 transitions, 27 significant places
lola: computing forward-conflicting sets
lola: computing back-conflicting sets
lola: 163 transition conflict sets
lola: TASK
lola: reading formula from DNAwalker-PT-09ringLR-ReachabilityFireability.task
lola: A (G ((NOT FIREABLE(t1_3) OR NOT FIREABLE(t14_9) OR NOT FIREABLE(t4_5) OR FIREABLE(t2_12)))) : E (F (FIREABLE(t6_1))) : A (G ((NOT FIREABLE(t18_12) OR NOT FIREABLE(t1_6) OR (NOT FIREABLE(t2_9) AND NOT FIREABLE(t19_3)) OR NOT FIREABLE(t9_5)))) : E (F (((FIREABLE(t9_7) AND FIREABLE(t16_18) AND FIREABLE(t8_11) AND FIREABLE(t13_12)) OR ((FIREABLE(tb20) OR FIREABLE(t3_5)) AND FIREABLE(t20_21)) OR (FIREABLE(t15_16) AND FIREABLE(t13_20) AND (FIREABLE(t14_17) OR FIREABLE(t2_3)) AND FIREABLE(t10_15))))) : E (F ((FIREABLE(t13_21) AND FIREABLE(t8_11) AND ((FIREABLE(t5_8) AND FIREABLE(t8_4)) OR (FIREABLE(t8_12) AND FIREABLE(t21_3)) OR FIREABLE(t14_17))))) : E (F ((FIREABLE(t14_15) AND FIREABLE(t8_4)))) : E (F ((FIREABLE(t2_21) AND NOT FIREABLE(t5_1)))) : A (G ((NOT FIREABLE(t10_9) OR NOT FIREABLE(t9_14) OR (FIREABLE(t19_3) AND FIREABLE(t4_20) AND NOT FIREABLE(t10_12)) OR NOT FIREABLE(t20_18)))) : E (F (((FIREABLE(t1_16) OR FIREABLE(t18_1)) AND FIREABLE(t12_15)))) : E (F ((FIREABLE(t6_4) AND (FIREABLE(t8_1) OR FIREABLE(t4_8)) AND NOT FIREABLE(t1_20) AND NOT FIREABLE(t9_2)))) : E (F (FIREABLE(t20_21))) : E (F (((NOT FIREABLE(t18_20) OR NOT FIREABLE(t19_17)) AND (FIREABLE(t13_10) OR FIREABLE(t20_17)) AND FIREABLE(t6_1)))) : E (F (((FIREABLE(t13_2) OR (FIREABLE(t11_8) AND FIREABLE(t1_11)) OR (FIREABLE(t4_13) AND FIREABLE(t2_12) AND (FIREABLE(t19_16) OR FIREABLE(t15_19)))) AND FIREABLE(t15_2)))) : E (F ((FIREABLE(t21_17) AND FIREABLE(t18_19) AND FIREABLE(t2_17) AND (NOT FIREABLE(t19_21) OR (FIREABLE(t5_20) AND FIREABLE(t14_13))) AND (NOT FIREABLE(t2_14) OR (FIREABLE(t21_5) AND FIREABLE(t11_7)) OR (FIREABLE(t18_15) AND FIREABLE(t12_13) AND NOT FIREABLE(t14_11)))))) : E (F (FIREABLE(t10_1))) : E (F ((FIREABLE(t20_2) AND NOT FIREABLE(t4_18))))
lola: computing a collection of formulas
lola: RUNNING
lola: subprocess 0 will run for 221 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G ((NOT FIREABLE(t1_3) OR NOT FIREABLE(t14_9) OR NOT FIREABLE(t4_5) OR FIREABLE(t2_12))))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 108 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 14 literals and 2 conjunctive subformulas
lola: state equation: write sara problem file to DNAwalker-PT-09ringLR-ReachabilityFireability.sara
lola: state equation: calling and running sara
sara: try reading problem file DNAwalker-PT-09ringLR-ReachabilityFireability.sara.
sara: place or transition ordering is non-deterministic
lola: sara is running 0 secs || 426176 markings, 1762705 edges, 85235 markings/sec, 0 secs
lola: sara is running 5 secs || 843075 markings, 3654166 edges, 83380 markings/sec, 5 secs
lola: sara is running 10 secs || 1272733 markings, 5562045 edges, 85932 markings/sec, 10 secs
lola: sara is running 15 secs || 1731171 markings, 7384049 edges, 91688 markings/sec, 15 secs
lola: sara is running 20 secs || 2158602 markings, 9215355 edges, 85486 markings/sec, 20 secs
lola: sara is running 25 secs || 2555155 markings, 11061020 edges, 79311 markings/sec, 25 secs
lola: sara is running 30 secs || 2953686 markings, 12807580 edges, 79706 markings/sec, 30 secs
lola: sara is running 35 secs || 3338585 markings, 14688880 edges, 76980 markings/sec, 35 secs
lola: sara is running 40 secs || 3707961 markings, 16544681 edges, 73875 markings/sec, 40 secs
lola: sara is running 45 secs || 4050567 markings, 18410580 edges, 68521 markings/sec, 45 secs
lola: sara is running 50 secs || 4389952 markings, 20340685 edges, 67877 markings/sec, 50 secs
lola: sara is running 55 secs || 4758550 markings, 22224324 edges, 73720 markings/sec, 55 secs
lola: sara is running 60 secs || 5098499 markings, 24070735 edges, 67990 markings/sec, 60 secs
lola: sara is running 65 secs || 5428512 markings, 26012698 edges, 66003 markings/sec, 65 secs
lola: sara is running 70 secs || 5754967 markings, 27926332 edges, 65291 markings/sec, 70 secs
lola: sara is running 75 secs || 6082854 markings, 29972688 edges, 65577 markings/sec, 75 secs
lola: sara is running 80 secs || 6495753 markings, 31849229 edges, 82580 markings/sec, 80 secs
lola: sara is running 85 secs || 6895705 markings, 33659850 edges, 79990 markings/sec, 85 secs
lola: sara is running 90 secs || 7272670 markings, 35468762 edges, 75393 markings/sec, 90 secs
lola: sara is running 95 secs || 7606740 markings, 37406297 edges, 66814 markings/sec, 95 secs
lola: sara is running 100 secs || 7958334 markings, 39266075 edges, 70319 markings/sec, 100 secs
lola: sara is running 105 secs || 8276975 markings, 41248874 edges, 63728 markings/sec, 105 secs
lola: sara is running 110 secs || 8595036 markings, 43128691 edges, 63612 markings/sec, 110 secs
lola: sara is running 115 secs || 8896975 markings, 44910041 edges, 60388 markings/sec, 115 secs
lola: sara is running 120 secs || 9173107 markings, 46828710 edges, 55226 markings/sec, 120 secs
lola: sara is running 125 secs || 9516721 markings, 48692943 edges, 68723 markings/sec, 125 secs
lola: sara is running 130 secs || 9860946 markings, 50511839 edges, 68845 markings/sec, 130 secs
lola: sara is running 135 secs || 10167460 markings, 52335452 edges, 61303 markings/sec, 135 secs
lola: sara is running 140 secs || 10466885 markings, 54237910 edges, 59885 markings/sec, 140 secs
lola: sara is running 145 secs || 10743439 markings, 56236790 edges, 55311 markings/sec, 145 secs
lola: sara is running 150 secs || 11131608 markings, 58081307 edges, 77634 markings/sec, 150 secs
lola: sara is running 155 secs || 11392131 markings, 60128528 edges, 52105 markings/sec, 155 secs
lola: sara is running 160 secs || 11635607 markings, 62326592 edges, 48695 markings/sec, 160 secs
lola: sara is running 165 secs || 11909720 markings, 64482041 edges, 54823 markings/sec, 165 secs
lola: sara is running 170 secs || 12217745 markings, 66398081 edges, 61605 markings/sec, 170 secs
lola: sara is running 175 secs || 12548921 markings, 68307323 edges, 66235 markings/sec, 175 secs
lola: sara is running 180 secs || 12849086 markings, 70280924 edges, 60033 markings/sec, 180 secs
lola: sara is running 185 secs || 13120084 markings, 72475862 edges, 54200 markings/sec, 185 secs
lola: sara is running 190 secs || 13392312 markings, 74579430 edges, 54446 markings/sec, 190 secs
lola: sara is running 195 secs || 13645304 markings, 76748045 edges, 50598 markings/sec, 195 secs
lola: sara is running 200 secs || 13887806 markings, 79026628 edges, 48500 markings/sec, 200 secs
lola: sara is running 205 secs || 14156369 markings, 81313576 edges, 53713 markings/sec, 205 secs
lola: sara is running 210 secs || 14412151 markings, 83587994 edges, 51156 markings/sec, 210 secs
lola: sara is running 215 secs || 14678765 markings, 85899841 edges, 53323 markings/sec, 215 secs
lola: local time limit reached - aborting
lola: Child process aborted or communication problem between parent and child process
terminate called after throwing an instance of 'std::runtime_error'
what(): parse error at position 0: unexpected character, last read: '\ufffd'
Aborted (core dumped)
FORMULA DNAwalker-PT-09ringLR-ReachabilityFireability-0 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA DNAwalker-PT-09ringLR-ReachabilityFireability-1 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA DNAwalker-PT-09ringLR-ReachabilityFireability-2 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA DNAwalker-PT-09ringLR-ReachabilityFireability-3 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA DNAwalker-PT-09ringLR-ReachabilityFireability-4 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA DNAwalker-PT-09ringLR-ReachabilityFireability-5 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA DNAwalker-PT-09ringLR-ReachabilityFireability-6 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA DNAwalker-PT-09ringLR-ReachabilityFireability-7 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA DNAwalker-PT-09ringLR-ReachabilityFireability-8 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA DNAwalker-PT-09ringLR-ReachabilityFireability-9 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA DNAwalker-PT-09ringLR-ReachabilityFireability-10 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA DNAwalker-PT-09ringLR-ReachabilityFireability-11 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA DNAwalker-PT-09ringLR-ReachabilityFireability-12 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA DNAwalker-PT-09ringLR-ReachabilityFireability-13 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA DNAwalker-PT-09ringLR-ReachabilityFireability-14 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA DNAwalker-PT-09ringLR-ReachabilityFireability-15 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
----- Kill lola and sara stdout -----
----- Kill lola and sara stderr -----
----- Finished stdout -----
----- Finished 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-09ringLR"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="mcc4mcc-full"
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

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-09ringLR.tgz
mv DNAwalker-PT-09ringLR execution
cd execution
pwd
ls -lh

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-3637"
echo " Executing tool mcc4mcc-full"
echo " Input is DNAwalker-PT-09ringLR, 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 r070-smll-152649743100287"
echo "====================================================================="
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
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 ;