fond
Model Checking Contest 2021
11th edition, Paris, France, June 23, 2021
Execution of r303-tall-162124171200143
Last Updated
Jun 28, 2021

About the Execution of 2020-gold for HealthRecord-PT-04

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
251.268 8002.00 14652.00 226.70 FTFFTFFTTTTFFTTT normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2021-input.r303-tall-162124171200143.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2020
Input is HealthRecord-PT-04, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r303-tall-162124171200143
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 348K
-rw-r--r-- 1 mcc users 9.9K May 15 08:57 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K May 15 08:57 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.1K May 15 08:57 CTLFireability.txt
-rw-r--r-- 1 mcc users 70K May 15 08:57 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.0K May 12 07:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K May 12 07:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 12 07:57 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 12 07:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 12 08:13 NewModel
-rw-r--r-- 1 mcc users 3.3K May 11 18:37 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 20K May 11 18:37 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 11 15:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 15K May 11 15:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.3K May 12 04:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.4K May 12 04:40 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 12 08:13 equiv_col
-rw-r--r-- 1 mcc users 3 May 12 08:13 instance
-rw-r--r-- 1 mcc users 6 May 12 08:13 iscolored
-rw-r--r-- 1 mcc users 36K May 12 08:13 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 net-ReachabilityCardinality-00
FORMULA_NAME net-ReachabilityCardinality-01
FORMULA_NAME net-ReachabilityCardinality-02
FORMULA_NAME net-ReachabilityCardinality-03
FORMULA_NAME net-ReachabilityCardinality-04
FORMULA_NAME net-ReachabilityCardinality-05
FORMULA_NAME net-ReachabilityCardinality-06
FORMULA_NAME net-ReachabilityCardinality-07
FORMULA_NAME net-ReachabilityCardinality-08
FORMULA_NAME net-ReachabilityCardinality-09
FORMULA_NAME net-ReachabilityCardinality-10
FORMULA_NAME net-ReachabilityCardinality-11
FORMULA_NAME net-ReachabilityCardinality-12
FORMULA_NAME net-ReachabilityCardinality-13
FORMULA_NAME net-ReachabilityCardinality-14
FORMULA_NAME net-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1621341125396

[2021-05-18 12:32:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -greatspnpath, /home/mcc/BenchKit//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2021-05-18 12:32:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-18 12:32:07] [INFO ] Load time of PNML (sax parser for PT used): 47 ms
[2021-05-18 12:32:07] [INFO ] Transformed 123 places.
[2021-05-18 12:32:07] [INFO ] Transformed 239 transitions.
[2021-05-18 12:32:07] [INFO ] Found NUPN structural information;
[2021-05-18 12:32:07] [INFO ] Parsed PT model containing 123 places and 239 transitions in 90 ms.
Ensure Unique test removed 8 transitions
Reduce redundant transitions removed 8 transitions.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 19 ms.
Working with output stream class java.io.PrintStream
FORMULA net-ReachabilityCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA net-ReachabilityCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA net-ReachabilityCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA net-ReachabilityCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 776 resets, run finished after 92 ms. (steps per millisecond=108 ) properties seen :[0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0]
FORMULA net-ReachabilityCardinality-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA net-ReachabilityCardinality-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA net-ReachabilityCardinality-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10000 steps, including 111 resets, run finished after 25 ms. (steps per millisecond=400 ) properties seen :[1, 0, 0, 0, 0, 0, 0, 0, 0]
FORMULA net-ReachabilityCardinality-00 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 117 resets, run finished after 21 ms. (steps per millisecond=476 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 112 resets, run finished after 12 ms. (steps per millisecond=833 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 119 resets, run finished after 19 ms. (steps per millisecond=526 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 112 resets, run finished after 12 ms. (steps per millisecond=833 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 113 resets, run finished after 17 ms. (steps per millisecond=588 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 111 resets, run finished after 13 ms. (steps per millisecond=769 ) properties seen :[0, 0, 0, 0, 0, 1, 0, 0]
FORMULA net-ReachabilityCardinality-10 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 116 resets, run finished after 14 ms. (steps per millisecond=714 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 114 resets, run finished after 11 ms. (steps per millisecond=909 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
[2021-05-18 12:32:07] [INFO ] Flow matrix only has 223 transitions (discarded 8 similar events)
// Phase 1: matrix 223 rows 123 cols
[2021-05-18 12:32:07] [INFO ] Computed 14 place invariants in 10 ms
[2021-05-18 12:32:07] [INFO ] [Real]Absence check using 8 positive place invariants in 18 ms returned sat
[2021-05-18 12:32:07] [INFO ] [Real]Absence check using 8 positive and 6 generalized place invariants in 7 ms returned sat
[2021-05-18 12:32:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 12:32:07] [INFO ] [Real]Absence check using state equation in 118 ms returned sat
[2021-05-18 12:32:07] [INFO ] Solution in real domain found non-integer solution.
[2021-05-18 12:32:07] [INFO ] [Nat]Absence check using 8 positive place invariants in 306 ms returned sat
[2021-05-18 12:32:07] [INFO ] [Nat]Absence check using 8 positive and 6 generalized place invariants in 6 ms returned unsat
[2021-05-18 12:32:08] [INFO ] [Real]Absence check using 8 positive place invariants in 9 ms returned sat
[2021-05-18 12:32:08] [INFO ] [Real]Absence check using 8 positive and 6 generalized place invariants in 3 ms returned sat
[2021-05-18 12:32:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 12:32:08] [INFO ] [Real]Absence check using state equation in 86 ms returned sat
[2021-05-18 12:32:08] [INFO ] Solution in real domain found non-integer solution.
[2021-05-18 12:32:08] [INFO ] [Nat]Absence check using 8 positive place invariants in 20 ms returned sat
[2021-05-18 12:32:08] [INFO ] [Nat]Absence check using 8 positive and 6 generalized place invariants in 3 ms returned sat
[2021-05-18 12:32:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-18 12:32:08] [INFO ] [Nat]Absence check using state equation in 92 ms returned sat
[2021-05-18 12:32:08] [INFO ] State equation strengthened by 1 read => feed constraints.
[2021-05-18 12:32:08] [INFO ] [Nat]Added 1 Read/Feed constraints in 3 ms returned sat
[2021-05-18 12:32:08] [INFO ] Computed and/alt/rep : 230/1468/222 causal constraints in 31 ms.
[2021-05-18 12:32:09] [INFO ] Added : 122 causal constraints over 26 iterations in 700 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 18 ms.
[2021-05-18 12:32:09] [INFO ] [Real]Absence check using 8 positive place invariants in 9 ms returned sat
[2021-05-18 12:32:09] [INFO ] [Real]Absence check using 8 positive and 6 generalized place invariants in 7 ms returned sat
[2021-05-18 12:32:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 12:32:09] [INFO ] [Real]Absence check using state equation in 93 ms returned sat
[2021-05-18 12:32:09] [INFO ] Solution in real domain found non-integer solution.
[2021-05-18 12:32:09] [INFO ] [Nat]Absence check using 8 positive place invariants in 300 ms returned sat
[2021-05-18 12:32:09] [INFO ] [Nat]Absence check using 8 positive and 6 generalized place invariants in 7 ms returned sat
[2021-05-18 12:32:09] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-18 12:32:09] [INFO ] [Nat]Absence check using state equation in 107 ms returned sat
[2021-05-18 12:32:09] [INFO ] [Nat]Added 1 Read/Feed constraints in 4 ms returned sat
[2021-05-18 12:32:09] [INFO ] Deduced a trap composed of 40 places in 72 ms
[2021-05-18 12:32:09] [INFO ] Deduced a trap composed of 33 places in 45 ms
[2021-05-18 12:32:09] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 140 ms
[2021-05-18 12:32:09] [INFO ] Computed and/alt/rep : 230/1468/222 causal constraints in 15 ms.
[2021-05-18 12:32:10] [INFO ] Added : 104 causal constraints over 21 iterations in 326 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 11 ms.
[2021-05-18 12:32:10] [INFO ] [Real]Absence check using 8 positive place invariants in 7 ms returned sat
[2021-05-18 12:32:10] [INFO ] [Real]Absence check using 8 positive and 6 generalized place invariants in 3 ms returned sat
[2021-05-18 12:32:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 12:32:10] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2021-05-18 12:32:10] [INFO ] Solution in real domain found non-integer solution.
[2021-05-18 12:32:10] [INFO ] [Nat]Absence check using 8 positive place invariants in 20 ms returned sat
[2021-05-18 12:32:10] [INFO ] [Nat]Absence check using 8 positive and 6 generalized place invariants in 3 ms returned sat
[2021-05-18 12:32:10] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-18 12:32:10] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2021-05-18 12:32:10] [INFO ] [Nat]Added 1 Read/Feed constraints in 2 ms returned sat
[2021-05-18 12:32:10] [INFO ] Computed and/alt/rep : 230/1468/222 causal constraints in 13 ms.
[2021-05-18 12:32:10] [INFO ] Added : 103 causal constraints over 21 iterations in 301 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 9 ms.
[2021-05-18 12:32:10] [INFO ] [Real]Absence check using 8 positive place invariants in 11 ms returned sat
[2021-05-18 12:32:10] [INFO ] [Real]Absence check using 8 positive and 6 generalized place invariants in 5 ms returned sat
[2021-05-18 12:32:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 12:32:10] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2021-05-18 12:32:10] [INFO ] Solution in real domain found non-integer solution.
[2021-05-18 12:32:10] [INFO ] [Nat]Absence check using 8 positive place invariants in 15 ms returned sat
[2021-05-18 12:32:10] [INFO ] [Nat]Absence check using 8 positive and 6 generalized place invariants in 3 ms returned sat
[2021-05-18 12:32:10] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-18 12:32:10] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2021-05-18 12:32:10] [INFO ] [Nat]Added 1 Read/Feed constraints in 2 ms returned sat
[2021-05-18 12:32:11] [INFO ] Deduced a trap composed of 33 places in 42 ms
[2021-05-18 12:32:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
[2021-05-18 12:32:11] [INFO ] Computed and/alt/rep : 230/1468/222 causal constraints in 11 ms.
[2021-05-18 12:32:11] [INFO ] Added : 118 causal constraints over 24 iterations in 446 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 12 ms.
[2021-05-18 12:32:11] [INFO ] [Real]Absence check using 8 positive place invariants in 8 ms returned sat
[2021-05-18 12:32:11] [INFO ] [Real]Absence check using 8 positive and 6 generalized place invariants in 6 ms returned unsat
[2021-05-18 12:32:11] [INFO ] [Real]Absence check using 8 positive place invariants in 8 ms returned sat
[2021-05-18 12:32:11] [INFO ] [Real]Absence check using 8 positive and 6 generalized place invariants in 6 ms returned sat
[2021-05-18 12:32:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 12:32:11] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2021-05-18 12:32:11] [INFO ] Solution in real domain found non-integer solution.
[2021-05-18 12:32:11] [INFO ] [Nat]Absence check using 8 positive place invariants in 19 ms returned sat
[2021-05-18 12:32:11] [INFO ] [Nat]Absence check using 8 positive and 6 generalized place invariants in 6 ms returned sat
[2021-05-18 12:32:11] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-18 12:32:11] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2021-05-18 12:32:11] [INFO ] [Nat]Added 1 Read/Feed constraints in 2 ms returned sat
[2021-05-18 12:32:11] [INFO ] Deduced a trap composed of 38 places in 46 ms
[2021-05-18 12:32:11] [INFO ] Deduced a trap composed of 31 places in 38 ms
[2021-05-18 12:32:11] [INFO ] Deduced a trap composed of 33 places in 32 ms
[2021-05-18 12:32:11] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 147 ms
[2021-05-18 12:32:11] [INFO ] Computed and/alt/rep : 230/1468/222 causal constraints in 16 ms.
[2021-05-18 12:32:12] [INFO ] Added : 120 causal constraints over 25 iterations in 494 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 14 ms.
FORMULA net-ReachabilityCardinality-13 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA net-ReachabilityCardinality-01 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Incomplete Parikh walk after 15100 steps, including 634 resets, run finished after 64 ms. (steps per millisecond=235 ) properties seen :[1, 1, 1, 0, 1] could not realise parikh vector
FORMULA net-ReachabilityCardinality-15 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA net-ReachabilityCardinality-05 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA net-ReachabilityCardinality-04 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA net-ReachabilityCardinality-03 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Finished Parikh walk after 2807 steps, including 53 resets, run visited all 1 properties in 11 ms. (steps per millisecond=255 )
FORMULA net-ReachabilityCardinality-08 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
All properties solved without resorting to model-checking.

BK_STOP 1621341133398

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution ReachabilityCardinality -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination ReachabilityCardinality -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6

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-04"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="gold2020"
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 2-4028"
echo " Executing tool gold2020"
echo " Input is HealthRecord-PT-04, 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 r303-tall-162124171200143"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HealthRecord-PT-04.tgz
mv HealthRecord-PT-04 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 ;