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.r197-smll-167840344100334.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 itstools
Input is HealthRecord-PT-13, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r197-smll-167840344100334
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 536K
-rw-r--r-- 1 mcc users 7.7K Feb 26 18:08 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K Feb 26 18:08 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Feb 26 18:05 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Feb 26 18:05 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Feb 25 16:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 16:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 26 18:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 159K Feb 26 18:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Feb 26 18:08 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K Feb 26 18:08 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:14 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 71K 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 HealthRecord-PT-13-ReachabilityCardinality-00
FORMULA_NAME HealthRecord-PT-13-ReachabilityCardinality-01
FORMULA_NAME HealthRecord-PT-13-ReachabilityCardinality-02
FORMULA_NAME HealthRecord-PT-13-ReachabilityCardinality-03
FORMULA_NAME HealthRecord-PT-13-ReachabilityCardinality-04
FORMULA_NAME HealthRecord-PT-13-ReachabilityCardinality-05
FORMULA_NAME HealthRecord-PT-13-ReachabilityCardinality-06
FORMULA_NAME HealthRecord-PT-13-ReachabilityCardinality-07
FORMULA_NAME HealthRecord-PT-13-ReachabilityCardinality-08
FORMULA_NAME HealthRecord-PT-13-ReachabilityCardinality-09
FORMULA_NAME HealthRecord-PT-13-ReachabilityCardinality-10
FORMULA_NAME HealthRecord-PT-13-ReachabilityCardinality-11
FORMULA_NAME HealthRecord-PT-13-ReachabilityCardinality-12
FORMULA_NAME HealthRecord-PT-13-ReachabilityCardinality-13
FORMULA_NAME HealthRecord-PT-13-ReachabilityCardinality-14
FORMULA_NAME HealthRecord-PT-13-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1678514090775

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=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=HealthRecord-PT-13
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202303021504
[2023-03-11 05:54:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-11 05:54:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-11 05:54:54] [INFO ] Load time of PNML (sax parser for PT used): 205 ms
[2023-03-11 05:54:54] [INFO ] Transformed 161 places.
[2023-03-11 05:54:54] [INFO ] Transformed 341 transitions.
[2023-03-11 05:54:54] [INFO ] Found NUPN structural information;
[2023-03-11 05:54:54] [INFO ] Parsed PT model containing 161 places and 341 transitions and 899 arcs in 369 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 51 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 28 transitions
Reduce redundant transitions removed 28 transitions.
FORMULA HealthRecord-PT-13-ReachabilityCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HealthRecord-PT-13-ReachabilityCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HealthRecord-PT-13-ReachabilityCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HealthRecord-PT-13-ReachabilityCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HealthRecord-PT-13-ReachabilityCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HealthRecord-PT-13-ReachabilityCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HealthRecord-PT-13-ReachabilityCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-11 05:54:55] [INFO ] Flatten gal took : 197 ms
[2023-03-11 05:54:55] [INFO ] Flatten gal took : 136 ms
[2023-03-11 05:54:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11640803058263227096.gal : 33 ms
[2023-03-11 05:54:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18436321637555654441.prop : 4 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/ReachabilityCardinality11640803058263227096.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18436321637555654441.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 ...330
Loading property file /tmp/ReachabilityCardinality18436321637555654441.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :4 after 9
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :9 after 97
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :97 after 649
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :649 after 4755
Incomplete random walk after 10000 steps, including 784 resets, run finished after 1296 ms. (steps per millisecond=7 ) properties (out of 9) seen :1
FORMULA HealthRecord-PT-13-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :4755 after 6697
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :6697 after 7777
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :7777 after 10693
Incomplete Best-First random walk after 10001 steps, including 109 resets, run finished after 213 ms. (steps per millisecond=46 ) properties (out of 8) seen :0
Reachability property HealthRecord-PT-13-ReachabilityCardinality-13 is true.
FORMULA HealthRecord-PT-13-ReachabilityCardinality-13 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Invariant property HealthRecord-PT-13-ReachabilityCardinality-10 does not hold.
Incomplete Best-First random walk after 10001 steps, including 108 resets, run finished after 128 ms. (steps per millisecond=78 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 101 resets, run finished after 115 ms. (steps per millisecond=86 ) properties (out of 8) seen :1
FORMULA HealthRecord-PT-13-ReachabilityCardinality-05 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Reachability property HealthRecord-PT-13-ReachabilityCardinality-05 is true.
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :10693 after 56641
Incomplete Best-First random walk after 10001 steps, including 105 resets, run finished after 135 ms. (steps per millisecond=74 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 111 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 109 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 7) seen :1
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :56641 after 60529
Incomplete Best-First random walk after 10001 steps, including 110 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 6) seen :0
SDD proceeding with computation,6 properties remain. new max is 2048
SDD size :60529 after 66361
Running SMT prover for 6 properties.
[2023-03-11 05:54:56] [INFO ] Flow matrix only has 301 transitions (discarded 12 similar events)
// Phase 1: matrix 301 rows 161 cols
[2023-03-11 05:54:56] [INFO ] Computed 18 place invariants in 24 ms
Reachability property HealthRecord-PT-13-ReachabilityCardinality-00 is true.
FORMULA HealthRecord-PT-13-ReachabilityCardinality-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :66361 after 155137
SDD proceeding with computation,5 properties remain. new max is 4096
SDD size :155137 after 319405
[2023-03-11 05:54:56] [INFO ] [Real]Absence check using 10 positive place invariants in 38 ms returned sat
[2023-03-11 05:54:56] [INFO ] [Real]Absence check using 10 positive and 8 generalized place invariants in 19 ms returned sat
[2023-03-11 05:54:57] [INFO ] After 397ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2023-03-11 05:54:57] [INFO ] [Nat]Absence check using 10 positive place invariants in 14 ms returned sat
[2023-03-11 05:54:57] [INFO ] [Nat]Absence check using 10 positive and 8 generalized place invariants in 14 ms returned sat
[2023-03-11 05:54:57] [INFO ] After 240ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :5
[2023-03-11 05:54:57] [INFO ] State equation strengthened by 1 read => feed constraints.
SDD proceeding with computation,5 properties remain. new max is 8192
SDD size :319405 after 783001
[2023-03-11 05:54:57] [INFO ] After 126ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :1 sat :5
[2023-03-11 05:54:57] [INFO ] Deduced a trap composed of 38 places in 139 ms of which 9 ms to minimize.
[2023-03-11 05:54:58] [INFO ] Deduced a trap composed of 38 places in 121 ms of which 1 ms to minimize.
[2023-03-11 05:54:58] [INFO ] Deduced a trap composed of 39 places in 108 ms of which 1 ms to minimize.
[2023-03-11 05:54:58] [INFO ] Deduced a trap composed of 46 places in 130 ms of which 6 ms to minimize.
[2023-03-11 05:54:58] [INFO ] Deduced a trap composed of 38 places in 110 ms of which 1 ms to minimize.
[2023-03-11 05:54:58] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 707 ms
[2023-03-11 05:54:58] [INFO ] Deduced a trap composed of 39 places in 73 ms of which 1 ms to minimize.
[2023-03-11 05:54:58] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 84 ms
[2023-03-11 05:54:58] [INFO ] After 1074ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :4
Attempting to minimize the solution found.
Minimization took 100 ms.
[2023-03-11 05:54:58] [INFO ] After 1657ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :4
FORMULA HealthRecord-PT-13-ReachabilityCardinality-15 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA HealthRecord-PT-13-ReachabilityCardinality-11 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 6 Parikh solutions to 4 different solutions.
Parikh walk visited 0 properties in 26 ms.
Support contains 36 out of 161 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 313/313 transitions.
Graph (trivial) has 127 edges and 161 vertex of which 4 / 161 are part of one of the 2 SCC in 8 ms
Free SCC test removed 2 places
Drop transitions removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Graph (complete) has 685 edges and 159 vertex of which 152 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.5 ms
Discarding 7 places :
Also discarding 0 output transitions
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 152 transition count 294
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 8 place count 150 transition count 292
Discarding 67 places :
Symmetric choice reduction at 2 with 67 rule applications. Total rules 75 place count 83 transition count 158
Iterating global reduction 2 with 67 rules applied. Total rules applied 142 place count 83 transition count 158
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 145 place count 80 transition count 152
Iterating global reduction 2 with 3 rules applied. Total rules applied 148 place count 80 transition count 152
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -19
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 154 place count 77 transition count 171
Free-agglomeration rule applied 3 times.
Iterating global reduction 2 with 3 rules applied. Total rules applied 157 place count 77 transition count 168
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 160 place count 74 transition count 168
Applied a total of 160 rules in 85 ms. Remains 74 /161 variables (removed 87) and now considering 168/313 (removed 145) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 86 ms. Remains : 74/161 places, 168/313 transitions.
Incomplete random walk after 10000 steps, including 1160 resets, run finished after 251 ms. (steps per millisecond=39 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 221 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 239 resets, run finished after 69 ms. (steps per millisecond=144 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 221 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 3) seen :0
Finished probabilistic random walk after 768994 steps, run visited all 3 properties in 2056 ms. (steps per millisecond=374 )
Probabilistic random walk after 768994 steps, saw 99229 distinct states, run finished after 2056 ms. (steps per millisecond=374 ) properties seen :3
FORMULA HealthRecord-PT-13-ReachabilityCardinality-08 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA HealthRecord-PT-13-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA HealthRecord-PT-13-ReachabilityCardinality-01 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
All properties solved without resorting to model-checking.
Total runtime 7400 ms.

BK_STOP 1678514102582

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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 ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="HealthRecord-PT-13"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itstools"
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 itstools"
echo " Input is HealthRecord-PT-13, 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 r197-smll-167840344100334"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HealthRecord-PT-13.tgz
mv HealthRecord-PT-13 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;