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.r339-tall-167889212100182.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)
.....................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is Raft-PT-02, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r339-tall-167889212100182
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 516K
-rw-r--r-- 1 mcc users 7.8K Feb 26 17:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K Feb 26 17:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 26 17:19 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Feb 26 17:19 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.3K Feb 25 16:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 16:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Feb 25 16:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 26 17:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 121K Feb 26 17:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 26 17:21 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 96K Feb 26 17:21 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Feb 25 16:41 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Feb 25 16:41 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 13K Mar 5 18:23 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1679101902930

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=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Raft-PT-02
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202303021504
[2023-03-18 01:11:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2023-03-18 01:11:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-18 01:11:44] [INFO ] Load time of PNML (sax parser for PT used): 26 ms
[2023-03-18 01:11:44] [INFO ] Transformed 28 places.
[2023-03-18 01:11:44] [INFO ] Transformed 52 transitions.
[2023-03-18 01:11:44] [INFO ] Found NUPN structural information;
[2023-03-18 01:11:44] [INFO ] Parsed PT model containing 28 places and 52 transitions and 159 arcs in 89 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 28/28 places, 52/52 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 28 transition count 42
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 18 place count 24 transition count 38
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 20 place count 23 transition count 40
Applied a total of 20 rules in 12 ms. Remains 23 /28 variables (removed 5) and now considering 40/52 (removed 12) transitions.
[2023-03-18 01:11:44] [INFO ] Flow matrix only has 31 transitions (discarded 9 similar events)
// Phase 1: matrix 31 rows 23 cols
[2023-03-18 01:11:44] [INFO ] Computed 4 place invariants in 8 ms
[2023-03-18 01:11:44] [INFO ] Implicit Places using invariants in 164 ms returned []
[2023-03-18 01:11:44] [INFO ] Flow matrix only has 31 transitions (discarded 9 similar events)
[2023-03-18 01:11:44] [INFO ] Invariant cache hit.
[2023-03-18 01:11:44] [INFO ] State equation strengthened by 19 read => feed constraints.
[2023-03-18 01:11:44] [INFO ] Implicit Places using invariants and state equation in 149 ms returned []
Implicit Place search using SMT with State Equation took 338 ms to find 0 implicit places.
[2023-03-18 01:11:44] [INFO ] Flow matrix only has 31 transitions (discarded 9 similar events)
[2023-03-18 01:11:44] [INFO ] Invariant cache hit.
[2023-03-18 01:11:44] [INFO ] Dead Transitions using invariants and state equation in 46 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 23/28 places, 40/52 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 398 ms. Remains : 23/28 places, 40/52 transitions.
Discarding 19 transitions out of 40. Remains 21
Initial state reduction rules removed 1 formulas.
[2023-03-18 01:11:45] [INFO ] Flatten gal took : 20 ms
[2023-03-18 01:11:45] [INFO ] Flatten gal took : 6 ms
[2023-03-18 01:11:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4883349109791201225.gal : 4 ms
[2023-03-18 01:11:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16354232563572965930.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4883349109791201225.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16354232563572965930.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality16354232563572965930.prop.
Reachability property qltransition_31 is true.
Reachability property qltransition_29 is true.
Reachability property qltransition_23 is true.
Reachability property qltransition_22 is true.
Reachability property qltransition_18 is true.
Reachability property qltransition_12 is true.
Reachability property qltransition_7 is true.
Reachability property qltransition_6 is true.
SDD proceeding with computation,12 properties remain. new max is 2
SDD size :1 after 6
Reachability property qltransition_32 is true.
Reachability property qltransition_28 is true.
Reachability property qltransition_26 is true.
Reachability property qltransition_17 is true.
Reachability property qltransition_16 is true.
SDD proceeding with computation,7 properties remain. new max is 2
SDD size :6 after 51
Reachability property qltransition_34 is true.
SDD proceeding with computation,6 properties remain. new max is 2
SDD size :51 after 76
Reachability property qltransition_36 is true.
SDD proceeding with computation,5 properties remain. new max is 2
SDD size :76 after 111
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :111 after 119
Reachability property qltransition_38 is true.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :119 after 154
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :154 after 323
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :323 after 645
Reachability property qltransition_24 is true.
Reachability property qltransition_9 is true.
Reachability property qltransition_8 is true.
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1128 after 1611
Reachability property qltransition_25 is true.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 17 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,2416,0.024286,3904,2,92,34,906,6,0,132,517,0
Total reachable state count : 2416

Verifying 20 reachability properties.
Reachability property qltransition_6 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_6,50,0.024776,3904,2,37,34,906,7,0,138,517,0
Reachability property qltransition_7 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_7,75,0.025019,3904,2,45,34,906,8,0,141,517,0
Reachability property qltransition_8 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_8,5,0.025232,3904,2,28,34,906,9,0,144,517,0
Reachability property qltransition_9 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_9,25,0.025471,3904,2,33,34,906,10,0,145,517,0
Reachability property qltransition_12 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_12,1,0.025707,3904,2,24,34,906,11,0,148,517,0
Reachability property qltransition_16 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_16,5,0.025944,3904,2,28,34,906,12,0,151,517,0
Reachability property qltransition_17 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_17,5,0.026218,3904,2,28,34,906,13,0,154,517,0
Reachability property qltransition_18 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_18,5,0.026486,3904,2,28,34,906,14,0,157,517,0
Reachability property qltransition_22 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_22,1,0.026753,3904,2,24,34,906,15,0,160,517,0
Reachability property qltransition_23 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_23,1,0.027028,3904,2,24,34,906,16,0,163,517,0
Reachability property qltransition_24 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_24,161,0.027302,3904,2,66,34,906,17,0,168,517,0
Reachability property qltransition_25 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_25,161,0.027575,3904,2,66,34,906,18,0,171,517,0
Reachability property qltransition_26 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_26,5,0.027949,3904,2,28,34,906,19,0,174,517,0
Reachability property qltransition_28 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_28,5,0.028343,3904,2,28,34,906,20,0,177,517,0
Reachability property qltransition_29 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_29,1,0.028776,3904,2,24,34,906,21,0,180,517,0
Reachability property qltransition_31 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_31,1,0.02908,3904,2,24,34,906,22,0,183,517,0
Reachability property qltransition_32 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_32,25,0.029415,3904,2,33,34,906,23,0,188,517,0
Reachability property qltransition_34 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_34,129,0.029814,3904,2,54,34,906,24,0,191,517,0
Reachability property qltransition_36 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_36,129,0.030213,3904,2,52,34,906,25,0,194,517,0
Reachability property qltransition_38 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_38,129,0.030645,3904,2,52,34,906,26,0,197,517,0
ITS tools runner thread asked to quit. Dying gracefully.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 309 ms. (steps per millisecond=32 ) properties (out of 20) seen :18
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 2) seen :1
Running SMT prover for 1 properties.
[2023-03-18 01:11:45] [INFO ] Flow matrix only has 31 transitions (discarded 9 similar events)
[2023-03-18 01:11:45] [INFO ] Invariant cache hit.
[2023-03-18 01:11:45] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-18 01:11:45] [INFO ] After 15ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-18 01:11:45] [INFO ] State equation strengthened by 19 read => feed constraints.
[2023-03-18 01:11:45] [INFO ] After 6ms SMT Verify possible using 19 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-18 01:11:45] [INFO ] After 56ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-18 01:11:45] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-18 01:11:45] [INFO ] After 12ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-18 01:11:45] [INFO ] After 11ms SMT Verify possible using 19 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-18 01:11:45] [INFO ] After 17ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 6 ms.
[2023-03-18 01:11:45] [INFO ] After 74ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Able to resolve query QuasiLiveness after proving 21 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 1273 ms.

BK_STOP 1679101907031

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="Raft-PT-02"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 itstools"
echo " Input is Raft-PT-02, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r339-tall-167889212100182"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Raft-PT-02.tgz
mv Raft-PT-02 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;