fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r004-oct2-177944367200030
Last Updated
Jun 17, 2026

About the Execution of Tapaal for AirplaneLD-COL-0100

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
7850.539 122977.00 131996.00 64.80 FFFTTFFTFTFTFFFT normal

Execution Chart

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

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r004-oct2-177944367200030.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
......................
=====================================================================
Generated by BenchKit 2-5973
Executing tool tapaal
Input is AirplaneLD-COL-0100, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r004-oct2-177944367200030
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 7.6K Mar 4 16:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 4 16:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 4 16:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 4 16:45 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.7K Mar 15 07:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 31K Mar 15 07:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 4 16:46 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 116K Mar 4 16:46 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Mar 4 16:46 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 4 16:46 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:00 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 52K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME AirplaneLD-COL-0100-ReachabilityCardinality-2024-00
FORMULA_NAME AirplaneLD-COL-0100-ReachabilityCardinality-2024-01
FORMULA_NAME AirplaneLD-COL-0100-ReachabilityCardinality-2024-02
FORMULA_NAME AirplaneLD-COL-0100-ReachabilityCardinality-2024-03
FORMULA_NAME AirplaneLD-COL-0100-ReachabilityCardinality-2024-04
FORMULA_NAME AirplaneLD-COL-0100-ReachabilityCardinality-2024-05
FORMULA_NAME AirplaneLD-COL-0100-ReachabilityCardinality-2024-06
FORMULA_NAME AirplaneLD-COL-0100-ReachabilityCardinality-2024-07
FORMULA_NAME AirplaneLD-COL-0100-ReachabilityCardinality-2024-08
FORMULA_NAME AirplaneLD-COL-0100-ReachabilityCardinality-2024-09
FORMULA_NAME AirplaneLD-COL-0100-ReachabilityCardinality-2024-10
FORMULA_NAME AirplaneLD-COL-0100-ReachabilityCardinality-2024-11
FORMULA_NAME AirplaneLD-COL-0100-ReachabilityCardinality-2024-12
FORMULA_NAME AirplaneLD-COL-0100-ReachabilityCardinality-2024-13
FORMULA_NAME AirplaneLD-COL-0100-ReachabilityCardinality-2024-14
FORMULA_NAME AirplaneLD-COL-0100-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779604612457

tapaal
Got BK_BIN_PATH=/home/mcc/BenchKit/bin/
---> tapaal --- TAPAAL
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 ReachabilityCardinality *
**********************************************
TEMPDIR=/home/mcc/BenchKit/bin/tmp
QF=/home/mcc/BenchKit/bin/tmp/tmp.Sri6lIbgkH
MF=/home/mcc/BenchKit/bin/tmp/tmp.O3UAcLHh6P
Time left: 3590
---------------------------------------------------
Step -1: Stripping Colors
---------------------------------------------------
Verifying stripped models (16 in total)
Solution found by stripping colors (step -1) for query index 0
Solution found by stripping colors (step -1) for query index 1
Solution found by stripping colors (step -1) for query index 2
Solution found by stripping colors (step -1) for query index 3
Solution found by stripping colors (step -1) for query index 4
Solution found by stripping colors (step -1) for query index 5
Solution found by stripping colors (step -1) for query index 7
Solution found by stripping colors (step -1) for query index 8
Solution found by stripping colors (step -1) for query index 9
Solution found by stripping colors (step -1) for query index 10
Solution found by stripping colors (step -1) for query index 12
Solution found by stripping colors (step -1) for query index 13
Solution found by stripping colors (step -1) for query index 14
Solution found by stripping colors (step -1) for query index 15

FORMULA AirplaneLD-COL-0100-ReachabilityCardinality-2024-00 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX CPN_APPROX
Query index 0 was solved

Query is NOT satisfied.

Solved using CPN Approximation



FORMULA AirplaneLD-COL-0100-ReachabilityCardinality-2024-01 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX CPN_APPROX
Query index 1 was solved

Query is NOT satisfied.

Solved using CPN Approximation



FORMULA AirplaneLD-COL-0100-ReachabilityCardinality-2024-02 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX CPN_APPROX
Query index 2 was solved

Query is NOT satisfied.

Solved using CPN Approximation



FORMULA AirplaneLD-COL-0100-ReachabilityCardinality-2024-03 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX CPN_APPROX
Query index 3 was solved

Query is satisfied.

Solved using CPN Approximation



FORMULA AirplaneLD-COL-0100-ReachabilityCardinality-2024-04 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX CPN_APPROX
Query index 4 was solved

Query is satisfied.

Solved using CPN Approximation



FORMULA AirplaneLD-COL-0100-ReachabilityCardinality-2024-05 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX CPN_APPROX
Query index 5 was solved

Query is NOT satisfied.

Solved using CPN Approximation



FORMULA AirplaneLD-COL-0100-ReachabilityCardinality-2024-07 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX CPN_APPROX
Query index 7 was solved

Query is satisfied.

Solved using CPN Approximation



FORMULA AirplaneLD-COL-0100-ReachabilityCardinality-2024-08 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX CPN_APPROX
Query index 8 was solved

Query is NOT satisfied.

Solved using CPN Approximation



FORMULA AirplaneLD-COL-0100-ReachabilityCardinality-2024-09 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX CPN_APPROX
Query index 9 was solved

Query is satisfied.

Solved using CPN Approximation



FORMULA AirplaneLD-COL-0100-ReachabilityCardinality-2024-10 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX CPN_APPROX
Query index 10 was solved

Query is NOT satisfied.

Solved using CPN Approximation



FORMULA AirplaneLD-COL-0100-ReachabilityCardinality-2024-12 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX CPN_APPROX
Query index 12 was solved

Query is NOT satisfied.

Solved using CPN Approximation



FORMULA AirplaneLD-COL-0100-ReachabilityCardinality-2024-13 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX CPN_APPROX
Query index 13 was solved

Query is NOT satisfied.

Solved using CPN Approximation



FORMULA AirplaneLD-COL-0100-ReachabilityCardinality-2024-14 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX CPN_APPROX
Query index 14 was solved

Query is NOT satisfied.

Solved using CPN Approximation



FORMULA AirplaneLD-COL-0100-ReachabilityCardinality-2024-15 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX CPN_APPROX
Query index 15 was solved

Query is satisfied.

Solved using CPN Approximation



Unable to decide if AirplaneLD-COL-0100-ReachabilityCardinality-2024-06 is satisfied.

Query is MAYBE satisfied.


Unable to decide if AirplaneLD-COL-0100-ReachabilityCardinality-2024-11 is satisfied.

Query is MAYBE satisfied.

Spent 0.001403 on verification
Time left: 3590
---------------------------------------------------
Step -0.5: Explicit parallel processing
---------------------------------------------------
Doing explicit parallel verification of individual queries (2 in total)
Each query is verified by 4 parallel strategies for 119 seconds
------------------- QUERY 7 ----------------------

Parameters: -C -s DFS --colored-successor-generator even -q 0 ./model.pnml ./ReachabilityCardinality.xml -x 7

Search=DFS,Trace=DISABLED,PrintBindings=DISABLED,State_Space_Exploration=DISABLED,Colored_Structural_Reduction=ALL,Colored_Struct_Red_Timout=30,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=60,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Init_Potency=ENABLED,InitPotencyTimeout=10,Siphon_Trap=DISABLED,LPSolve_Timeout=10,ExplicitColored=ENABLED,ColoredSuccessorGenerator=EVEN

Colored structural reductions computed in 0.000319 seconds
Reduced from 20 to 14 places (6, 30%)
Reduced from 15 to 13 transitions (2, 13.3333%)
Applications of rule AtomicPreAgglomeration: 4
Applications of rule DeadTransitions: 0
Applications of rule ParallelPlaces: 0
Applications of rule ParallelTransitions: 0
Applications of rule PreemptiveFiring: 0
Applications of rule RedundantPlaces: 3
Applications of rule Relevance: 1

Parameters: -C -s BFS --colored-successor-generator even -R 0 -q 0 ./model.pnml ./ReachabilityCardinality.xml -x 7

Parameters: -C -s RDFS --colored-successor-generator even ./model.pnml ./ReachabilityCardinality.xml -x 7

Search=RDFS,Trace=DISABLED,PrintBindings=DISABLED,State_Space_Exploration=DISABLED,Colored_Structural_Reduction=ALL,Colored_Struct_Red_Timout=30,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=60,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=30,Init_Potency=ENABLED,InitPotencyTimeout=10,Siphon_Trap=DISABLED,LPSolve_Timeout=10,ExplicitColored=ENABLED,ColoredSuccessorGenerator=EVEN

Colored structural reductions computed in 0.00031 seconds
Reduced from 20 to 14 places (6, 30%)
Reduced from 15 to 13 transitions (2, 13.3333%)
Applications of rule AtomicPreAgglomeration: 4
Applications of rule DeadTransitions: 0
Applications of rule ParallelPlaces: 0
Applications of rule ParallelTransitions: 0
Applications of rule PreemptiveFiring: 0
Applications of rule RedundantPlaces: 3
Applications of rule Relevance: 1

Query index 0 was solved

Query is NOT satisfied
STATS:
discovered states: 12
explored states: 11
peak waiting states: 7
end waiting states: 5
biggest encoded state: 36 bytes
Command exited with non-zero status 1
@@@0.01,5592@@@

Parameters: -C -s BestFS --colored-successor-generator fixed -q 0 ./model.pnml ./ReachabilityCardinality.xml -x 7

Search=HEUR,Trace=DISABLED,PrintBindings=DISABLED,State_Space_Exploration=DISABLED,Colored_Structural_Reduction=ALL,Colored_Struct_Red_Timout=30,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=60,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Init_Potency=ENABLED,InitPotencyTimeout=10,Siphon_Trap=DISABLED,LPSolve_Timeout=10,ExplicitColored=ENABLED,ColoredSuccessorGenerator=FIXED

Colored structural reductions computed in 0.000296 seconds
Reduced from 20 to 14 places (6, 30%)
Reduced from 15 to 13 transitions (2, 13.3333%)
Applications of rule AtomicPreAgglomeration: 4
Applications of rule DeadTransitions: 0
Applications of rule ParallelPlaces: 0
Applications of rule ParallelTransitions: 0
Applications of rule PreemptiveFiring: 0
Applications of rule RedundantPlaces: 3
Applications of rule Relevance: 1


Query index 0 was solved

Query is NOT satisfied
STATS:
discovered states: 282721
explored states: 101518
peak waiting states: 19
end waiting states: 12
biggest encoded state: 36 bytes
Command exited with non-zero status 1
@@@1.19,8020@@@

Search=BFS,Trace=DISABLED,PrintBindings=DISABLED,State_Space_Exploration=DISABLED,Colored_Structural_Reduction=DISABLED,Colored_Struct_Red_Timout=30,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=60,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Init_Potency=ENABLED,InitPotencyTimeout=10,Siphon_Trap=DISABLED,LPSolve_Timeout=10,ExplicitColored=ENABLED,ColoredSuccessorGenerator=EVEN
Query index 0 was solved

Query is NOT satisfied
STATS:
discovered states: 146435
explored states: 73621
peak waiting states: 72910
end waiting states: 72909
biggest encoded state: 343 bytes
Command exited with non-zero status 1
@@@2.14,268768@@@
parallel: Warning: This job was killed because it timed out:
parallel: Warning: eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn '-C -s BestFS --colored-successor-generator fixed -q 0' ./model.pnml ./ReachabilityCardinality.xml -x 7
Solution found by explicit exploration (step -0.5)

FORMULA AirplaneLD-COL-0100-ReachabilityCardinality-2024-06 FALSE TECHNIQUES STRUCTURAL_REDUCTION CPN_EXPLICIT
Time left: 3467
------------------- QUERY 12 ----------------------

Parameters: -C -s RDFS --colored-successor-generator even ./model.pnml ./ReachabilityCardinality.xml -x 12

Search=RDFS,Trace=DISABLED,PrintBindings=DISABLED,State_Space_Exploration=DISABLED,Colored_Structural_Reduction=ALL,Colored_Struct_Red_Timout=30,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=60,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=30,Init_Potency=ENABLED,InitPotencyTimeout=10,Siphon_Trap=DISABLED,LPSolve_Timeout=10,ExplicitColored=ENABLED,ColoredSuccessorGenerator=EVEN

Colored structural reductions computed in 0.000292 seconds
Reduced from 20 to 18 places (2, 10%)
Reduced from 15 to 15 transitions (0, 0%)
Applications of rule AtomicPreAgglomeration: 0
Applications of rule DeadTransitions: 0
Applications of rule ParallelPlaces: 0
Applications of rule ParallelTransitions: 0
Applications of rule PreemptiveFiring: 0
Applications of rule RedundantPlaces: 2
Applications of rule Relevance: 0

Query index 0 was solved

Query is satisfied
STATS:
discovered states: 18
explored states: 18
peak waiting states: 17
end waiting states: 17
biggest encoded state: 43 bytes
@@@0.01,6136@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn '-C -s RDFS --colored-successor-generator even' ./model.pnml ./ReachabilityCardinality.xml -x 12

Parameters: -C -s DFS --colored-successor-generator even -q 0 ./model.pnml ./ReachabilityCardinality.xml -x 12

Search=DFS,Trace=DISABLED,PrintBindings=DISABLED,State_Space_Exploration=DISABLED,Colored_Structural_Reduction=ALL,Colored_Struct_Red_Timout=30,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=60,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Init_Potency=ENABLED,InitPotencyTimeout=10,Siphon_Trap=DISABLED,LPSolve_Timeout=10,ExplicitColored=ENABLED,ColoredSuccessorGenerator=EVEN

Colored structural reductions computed in 0.000256 seconds
Reduced from 20 to 18 places (2, 10%)
Reduced from 15 to 15 transitions (0, 0%)
Applications of rule AtomicPreAgglomeration: 0
Applications of rule DeadTransitions: 0
Applications of rule ParallelPlaces: 0
Applications of rule ParallelTransitions: 0
Applications of rule PreemptiveFiring: 0
Applications of rule RedundantPlaces: 2
Applications of rule Relevance: 0

Query index 0 was solved

Query is satisfied
STATS:
discovered states: 7
explored states: 7
peak waiting states: 6
end waiting states: 6
biggest encoded state: 43 bytes
@@@0.00,5696@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn '-C -s DFS --colored-successor-generator even -q 0' ./model.pnml ./ReachabilityCardinality.xml -x 12
Solution found by explicit exploration (step -0.5)

FORMULA AirplaneLD-COL-0100-ReachabilityCardinality-2024-11 TRUE TECHNIQUES STRUCTURAL_REDUCTION CPN_EXPLICIT
Time left: 3467
All queries are solved in step -0.5
Time left: 3467
terminated-with-cleanup

BK_STOP 1779604735434

--------------------
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="AirplaneLD-COL-0100"
export BK_EXAMINATION="ReachabilityCardinality"
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 2-5973"
echo " Executing tool tapaal"
echo " Input is AirplaneLD-COL-0100, 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 r004-oct2-177944367200030"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-COL-0100.tgz
mv AirplaneLD-COL-0100 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.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 ;