About the Execution of LTSMin+red for CircadianClock-PT-100000
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 1863.651 | 675769.00 | 2663715.00 | 451.20 | T??TTFTTTF?TFTTF | normal |
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.r073-smll-167814399200143.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is CircadianClock-PT-100000, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r073-smll-167814399200143
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 520K
-rw-r--r-- 1 mcc users 8.0K Feb 26 10:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K Feb 26 10:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Feb 26 10:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 26 10:35 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.7K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 15:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Feb 25 15:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 15:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 26 10:40 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K Feb 26 10:40 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 26 10:39 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 98K Feb 26 10:39 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:42 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 11K 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
here is the order used to build the result vector(from text file)
FORMULA_NAME CircadianClock-PT-100000-ReachabilityFireability-00
FORMULA_NAME CircadianClock-PT-100000-ReachabilityFireability-01
FORMULA_NAME CircadianClock-PT-100000-ReachabilityFireability-02
FORMULA_NAME CircadianClock-PT-100000-ReachabilityFireability-03
FORMULA_NAME CircadianClock-PT-100000-ReachabilityFireability-04
FORMULA_NAME CircadianClock-PT-100000-ReachabilityFireability-05
FORMULA_NAME CircadianClock-PT-100000-ReachabilityFireability-06
FORMULA_NAME CircadianClock-PT-100000-ReachabilityFireability-07
FORMULA_NAME CircadianClock-PT-100000-ReachabilityFireability-08
FORMULA_NAME CircadianClock-PT-100000-ReachabilityFireability-09
FORMULA_NAME CircadianClock-PT-100000-ReachabilityFireability-10
FORMULA_NAME CircadianClock-PT-100000-ReachabilityFireability-11
FORMULA_NAME CircadianClock-PT-100000-ReachabilityFireability-12
FORMULA_NAME CircadianClock-PT-100000-ReachabilityFireability-13
FORMULA_NAME CircadianClock-PT-100000-ReachabilityFireability-14
FORMULA_NAME CircadianClock-PT-100000-ReachabilityFireability-15
=== Now, execution of the tool begins
BK_START 1678292575409
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=ltsminxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CircadianClock-PT-100000
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-08 16:22:57] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-08 16:22:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-08 16:22:58] [INFO ] Load time of PNML (sax parser for PT used): 39 ms
[2023-03-08 16:22:58] [INFO ] Transformed 14 places.
[2023-03-08 16:22:58] [INFO ] Transformed 16 transitions.
[2023-03-08 16:22:58] [INFO ] Parsed PT model containing 14 places and 16 transitions and 58 arcs in 164 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 23 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA CircadianClock-PT-100000-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-100000-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-100000-ReachabilityFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-100000-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-100000-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-100000-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-100000-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-100000-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 100001 steps, including 0 resets, run finished after 71 ms. (steps per millisecond=1408 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 149 ms. (steps per millisecond=67 ) properties (out of 8) seen :4
FORMULA CircadianClock-PT-100000-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CircadianClock-PT-100000-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CircadianClock-PT-100000-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CircadianClock-PT-100000-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 193 ms. (steps per millisecond=51 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 191 ms. (steps per millisecond=52 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-08 16:22:58] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
// Phase 1: matrix 14 rows 14 cols
[2023-03-08 16:22:58] [INFO ] Computed 7 place invariants in 5 ms
[2023-03-08 16:22:59] [INFO ] [Real]Absence check using 7 positive place invariants in 9 ms returned sat
[2023-03-08 16:22:59] [INFO ] After 335ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-08 16:22:59] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2023-03-08 16:22:59] [INFO ] After 31ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :3
[2023-03-08 16:22:59] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-08 16:22:59] [INFO ] After 18ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :1 sat :3
[2023-03-08 16:22:59] [INFO ] After 41ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :3
Attempting to minimize the solution found.
Minimization took 24 ms.
[2023-03-08 16:22:59] [INFO ] After 174ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :3
FORMULA CircadianClock-PT-100000-ReachabilityFireability-03 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 4 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 4005 ms.
Support contains 14 out of 14 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 19 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 14/14 places, 16/16 transitions.
Incomplete random walk after 100001 steps, including 0 resets, run finished after 30 ms. (steps per millisecond=3333 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 372795 steps, run timeout after 3001 ms. (steps per millisecond=124 ) properties seen :{}
Probabilistic random walk after 372795 steps, saw 256845 distinct states, run finished after 3002 ms. (steps per millisecond=124 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-08 16:23:06] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2023-03-08 16:23:06] [INFO ] Invariant cache hit.
[2023-03-08 16:23:06] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned sat
[2023-03-08 16:23:06] [INFO ] After 55ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-08 16:23:06] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2023-03-08 16:23:06] [INFO ] After 40ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-08 16:23:06] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-08 16:23:06] [INFO ] After 17ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-08 16:23:06] [INFO ] After 39ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 22 ms.
[2023-03-08 16:23:06] [INFO ] After 148ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 6000 ms.
Support contains 14 out of 14 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 9 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 14/14 places, 16/16 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2023-03-08 16:23:12] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2023-03-08 16:23:12] [INFO ] Invariant cache hit.
[2023-03-08 16:23:12] [INFO ] Implicit Places using invariants in 39 ms returned []
[2023-03-08 16:23:12] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2023-03-08 16:23:12] [INFO ] Invariant cache hit.
[2023-03-08 16:23:13] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-08 16:23:13] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
[2023-03-08 16:23:13] [INFO ] Redundant transitions in 14 ms returned []
[2023-03-08 16:23:13] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2023-03-08 16:23:13] [INFO ] Invariant cache hit.
[2023-03-08 16:23:13] [INFO ] Dead Transitions using invariants and state equation in 42 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 156 ms. Remains : 14/14 places, 16/16 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 14 transition count 14
Applied a total of 2 rules in 2 ms. Remains 14 /14 variables (removed 0) and now considering 14/16 (removed 2) transitions.
Running SMT prover for 3 properties.
[2023-03-08 16:23:13] [INFO ] Invariant cache hit.
[2023-03-08 16:23:13] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2023-03-08 16:23:13] [INFO ] After 42ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-08 16:23:13] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2023-03-08 16:23:13] [INFO ] After 24ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-08 16:23:13] [INFO ] After 44ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 16 ms.
[2023-03-08 16:23:13] [INFO ] After 97ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2023-03-08 16:23:13] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 6 ms.
[2023-03-08 16:23:13] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 14 places, 16 transitions and 58 arcs took 1 ms.
[2023-03-08 16:23:13] [INFO ] Flatten gal took : 25 ms
Total runtime 15558 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --inv-bin-par --invariant=/tmp/488/inv_0_ --invariant=/tmp/488/inv_1_ --invariant=/tmp/488/inv_2_ --inv-par
Could not compute solution for formula : CircadianClock-PT-100000-ReachabilityFireability-01
Could not compute solution for formula : CircadianClock-PT-100000-ReachabilityFireability-02
Could not compute solution for formula : CircadianClock-PT-100000-ReachabilityFireability-10
BK_STOP 1678293251178
--------------------
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 ReachabilityFireability -timeout 360 -rebuildPNML
mcc2023
rfs formula name CircadianClock-PT-100000-ReachabilityFireability-01
rfs formula type AG
rfs formula formula --invariant=/tmp/488/inv_0_
rfs formula name CircadianClock-PT-100000-ReachabilityFireability-02
rfs formula type EF
rfs formula formula --invariant=/tmp/488/inv_1_
rfs formula name CircadianClock-PT-100000-ReachabilityFireability-10
rfs formula type EF
rfs formula formula --invariant=/tmp/488/inv_2_
pnml2lts-sym: Exploration order is bfs-prev
pnml2lts-sym: Saturation strategy is sat
pnml2lts-sym: Guided search strategy is unguided
pnml2lts-sym: Attractor strategy is default
pnml2lts-sym: opening model.pnml
pnml2lts-sym: Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-sym: Petri net has 14 places, 16 transitions and 58 arcs
pnml2lts-sym: Petri net CircadianClock_PT_100000 analyzed
pnml2lts-sym: There are no safe places
pnml2lts-sym: Loading Petri net took 0.000 real 0.000 user 0.000 sys
pnml2lts-sym: Initializing regrouping layer
pnml2lts-sym: Regroup specification: bs,w2W,ru,hf
pnml2lts-sym: Regroup Boost's Sloan
pnml2lts-sym: Regroup over-approximate must-write to may-write
pnml2lts-sym: Regroup Row sUbsume
pnml2lts-sym: Reqroup Horizontal Flip
pnml2lts-sym: Regrouping: 16->9 groups
pnml2lts-sym: Regrouping took 0.010 real 0.000 user 0.010 sys
pnml2lts-sym: state vector length is 14; there are 9 groups
pnml2lts-sym: Creating a multi-core ListDD domain.
pnml2lts-sym: Sylvan allocates 15.000 GB virtual memory for nodes table and operation cache.
pnml2lts-sym: Initial nodes table and operation cache requires 60.00 MB.
pnml2lts-sym: Using GBgetTransitionsShortR2W as next-state function
pnml2lts-sym: got initial state
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
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="CircadianClock-PT-100000"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is CircadianClock-PT-100000, 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 r073-smll-167814399200143"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/CircadianClock-PT-100000.tgz
mv CircadianClock-PT-100000 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "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 '
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;