Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2020-input.r126-tajo-158961390700671.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2020-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 itstools
Input is PolyORBNT-PT-S05J80, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r126-tajo-158961390700671
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.5M
-rw-r--r-- 1 mcc users 20K Apr 12 06:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 61K Apr 12 06:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 23K Apr 11 05:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 80K Apr 11 05:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.2K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 16K Apr 14 12:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 57K Apr 28 14:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 86K Apr 14 12:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 276K Apr 28 14:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 20K Apr 10 12:58 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 58K Apr 10 12:58 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 25K Apr 9 18:40 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K Apr 9 18:40 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 9.8K Apr 10 22:23 UpperBounds.txt
-rw-r--r-- 1 mcc users 20K Apr 10 22:23 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 2.7M Mar 24 05:37 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 PolyORBNT-PT-S05J80-ReachabilityFireability-00
FORMULA_NAME PolyORBNT-PT-S05J80-ReachabilityFireability-01
FORMULA_NAME PolyORBNT-PT-S05J80-ReachabilityFireability-02
FORMULA_NAME PolyORBNT-PT-S05J80-ReachabilityFireability-03
FORMULA_NAME PolyORBNT-PT-S05J80-ReachabilityFireability-04
FORMULA_NAME PolyORBNT-PT-S05J80-ReachabilityFireability-05
FORMULA_NAME PolyORBNT-PT-S05J80-ReachabilityFireability-06
FORMULA_NAME PolyORBNT-PT-S05J80-ReachabilityFireability-07
FORMULA_NAME PolyORBNT-PT-S05J80-ReachabilityFireability-08
FORMULA_NAME PolyORBNT-PT-S05J80-ReachabilityFireability-09
FORMULA_NAME PolyORBNT-PT-S05J80-ReachabilityFireability-10
FORMULA_NAME PolyORBNT-PT-S05J80-ReachabilityFireability-11
FORMULA_NAME PolyORBNT-PT-S05J80-ReachabilityFireability-12
FORMULA_NAME PolyORBNT-PT-S05J80-ReachabilityFireability-13
FORMULA_NAME PolyORBNT-PT-S05J80-ReachabilityFireability-14
FORMULA_NAME PolyORBNT-PT-S05J80-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1589847147609

[2020-05-19 00:12:29] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -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]
[2020-05-19 00:12:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-05-19 00:12:29] [INFO ] Load time of PNML (sax parser for PT used): 169 ms
[2020-05-19 00:12:29] [INFO ] Transformed 1189 places.
[2020-05-19 00:12:29] [INFO ] Transformed 2350 transitions.
[2020-05-19 00:12:29] [INFO ] Parsed PT model containing 1189 places and 2350 transitions in 229 ms.
[2020-05-19 00:12:29] [INFO ] Reduced 90 identical enabling conditions.
[2020-05-19 00:12:29] [INFO ] Reduced 10 identical enabling conditions.
Ensure Unique test removed 655 transitions
Reduce redundant transitions removed 655 transitions.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 47 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 670 resets, run finished after 467 ms. (steps per millisecond=21 ) properties seen :[0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0]
FORMULA PolyORBNT-PT-S05J80-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PolyORBNT-PT-S05J80-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PolyORBNT-PT-S05J80-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PolyORBNT-PT-S05J80-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 244 ms. (steps per millisecond=40 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 66 resets, run finished after 107 ms. (steps per millisecond=93 ) properties seen :[0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0]
FORMULA PolyORBNT-PT-S05J80-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 256 resets, run finished after 149 ms. (steps per millisecond=67 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 7 resets, run finished after 22 ms. (steps per millisecond=454 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 31 ms. (steps per millisecond=322 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 57 ms. (steps per millisecond=175 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 43 ms. (steps per millisecond=232 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 49 ms. (steps per millisecond=204 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 144 resets, run finished after 49 ms. (steps per millisecond=204 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 69 ms. (steps per millisecond=144 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 29 ms. (steps per millisecond=344 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
[2020-05-19 00:12:30] [INFO ] Flow matrix only has 1691 transitions (discarded 4 similar events)
// Phase 1: matrix 1691 rows 1189 cols
[2020-05-19 00:12:30] [INFO ] Computed 182 place invariants in 213 ms
[2020-05-19 00:12:31] [INFO ] [Real]Absence check using 157 positive place invariants in 228 ms returned sat
[2020-05-19 00:12:31] [INFO ] [Real]Absence check using 157 positive and 25 generalized place invariants in 85 ms returned unsat
[2020-05-19 00:12:31] [INFO ] [Real]Absence check using 157 positive place invariants in 114 ms returned sat
[2020-05-19 00:12:31] [INFO ] [Real]Absence check using 157 positive and 25 generalized place invariants in 70 ms returned unsat
[2020-05-19 00:12:32] [INFO ] [Real]Absence check using 157 positive place invariants in 127 ms returned sat
[2020-05-19 00:12:32] [INFO ] [Real]Absence check using 157 positive and 25 generalized place invariants in 68 ms returned unsat
[2020-05-19 00:12:32] [INFO ] [Real]Absence check using 157 positive place invariants in 136 ms returned sat
[2020-05-19 00:12:32] [INFO ] [Real]Absence check using 157 positive and 25 generalized place invariants in 30 ms returned unsat
[2020-05-19 00:12:32] [INFO ] [Real]Absence check using 157 positive place invariants in 95 ms returned sat
[2020-05-19 00:12:32] [INFO ] [Real]Absence check using 157 positive and 25 generalized place invariants in 25 ms returned unsat
[2020-05-19 00:12:32] [INFO ] [Real]Absence check using 157 positive place invariants in 92 ms returned sat
[2020-05-19 00:12:32] [INFO ] [Real]Absence check using 157 positive and 25 generalized place invariants in 3 ms returned unsat
[2020-05-19 00:12:33] [INFO ] [Real]Absence check using 157 positive place invariants in 97 ms returned sat
[2020-05-19 00:12:33] [INFO ] [Real]Absence check using 157 positive and 25 generalized place invariants in 32 ms returned unsat
[2020-05-19 00:12:33] [INFO ] [Real]Absence check using 157 positive place invariants in 142 ms returned sat
[2020-05-19 00:12:33] [INFO ] [Real]Absence check using 157 positive and 25 generalized place invariants in 19 ms returned unsat
[2020-05-19 00:12:33] [INFO ] [Real]Absence check using 157 positive place invariants in 129 ms returned sat
[2020-05-19 00:12:33] [INFO ] [Real]Absence check using 157 positive and 25 generalized place invariants in 69 ms returned sat
[2020-05-19 00:12:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-19 00:12:38] [INFO ] [Real]Absence check using state equation in 4580 ms returned sat
[2020-05-19 00:12:38] [INFO ] Solution in real domain found non-integer solution.
[2020-05-19 00:12:38] [INFO ] [Nat]Absence check using 157 positive place invariants in 173 ms returned sat
[2020-05-19 00:12:38] [INFO ] [Nat]Absence check using 157 positive and 25 generalized place invariants in 87 ms returned sat
[2020-05-19 00:12:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-19 00:12:43] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-19 00:12:43] [INFO ] [Nat]Absence check using state equation in 4640 ms returned (error "Failed to check-sat")
[2020-05-19 00:12:44] [INFO ] [Real]Absence check using 157 positive place invariants in 323 ms returned unsat
[2020-05-19 00:12:44] [INFO ] [Real]Absence check using 157 positive place invariants in 121 ms returned sat
[2020-05-19 00:12:44] [INFO ] [Real]Absence check using 157 positive and 25 generalized place invariants in 10 ms returned unsat
FORMULA PolyORBNT-PT-S05J80-ReachabilityFireability-15 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBNT-PT-S05J80-ReachabilityFireability-14 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBNT-PT-S05J80-ReachabilityFireability-12 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBNT-PT-S05J80-ReachabilityFireability-11 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBNT-PT-S05J80-ReachabilityFireability-10 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBNT-PT-S05J80-ReachabilityFireability-09 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBNT-PT-S05J80-ReachabilityFireability-08 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBNT-PT-S05J80-ReachabilityFireability-06 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBNT-PT-S05J80-ReachabilityFireability-03 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBNT-PT-S05J80-ReachabilityFireability-00 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Support contains 2 out of 1189 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 1189/1189 places, 1695/1695 transitions.
Ensure Unique test removed 5 places
Performed 85 Post agglomeration using F-continuation condition.Transition count delta: 85
Iterating post reduction 0 with 90 rules applied. Total rules applied 90 place count 1184 transition count 1610
Reduce places removed 85 places and 0 transitions.
Iterating post reduction 1 with 85 rules applied. Total rules applied 175 place count 1099 transition count 1610
Performed 85 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 85 Pre rules applied. Total rules applied 175 place count 1099 transition count 1525
Deduced a syphon composed of 85 places in 5 ms
Reduce places removed 85 places and 0 transitions.
Iterating global reduction 2 with 170 rules applied. Total rules applied 345 place count 1014 transition count 1525
Symmetric choice reduction at 2 with 1 rule applications. Total rules 346 place count 1014 transition count 1525
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 348 place count 1013 transition count 1524
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 352 place count 1011 transition count 1522
Applied a total of 352 rules in 559 ms. Remains 1011 /1189 variables (removed 178) and now considering 1522/1695 (removed 173) transitions.
[2020-05-19 00:12:44] [INFO ] Flow matrix only has 1518 transitions (discarded 4 similar events)
// Phase 1: matrix 1518 rows 1011 cols
[2020-05-19 00:12:44] [INFO ] Computed 177 place invariants in 104 ms
[2020-05-19 00:12:51] [INFO ] Dead Transitions using invariants and state equation in 6654 ms returned [988, 989, 990, 991, 993, 994, 995, 996, 999, 1000, 1001, 1003, 1004, 1008, 1009, 1010, 1011, 1012, 1013, 1015, 1017, 1018, 1019, 1020, 1021, 1022, 1024, 1025, 1026, 1027, 1029, 1030, 1031, 1032, 1034, 1035, 1036, 1037, 1038, 1039, 1040, 1041, 1045, 1046, 1047, 1048, 1049, 1050, 1051, 1052, 1053, 1054, 1055, 1056, 1059, 1061, 1062, 1063, 1064, 1066, 1067, 1068, 1069, 1070, 1073, 1074, 1076, 1077, 1078, 1079, 1080, 1081, 1082, 1083, 1084, 1085, 1087, 1090, 1092, 1093, 1094, 1095, 1096, 1097, 1098, 1099, 1100, 1101, 1102, 1103, 1108, 1109, 1110, 1111, 1112]
Found 95 dead transitions using SMT.
Drop transitions removed 95 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 95 transitions :[1112, 1111, 1110, 1109, 1108, 1103, 1102, 1101, 1100, 1099, 1098, 1097, 1096, 1095, 1094, 1093, 1092, 1090, 1087, 1085, 1084, 1083, 1082, 1081, 1080, 1079, 1078, 1077, 1076, 1074, 1073, 1070, 1069, 1068, 1067, 1066, 1064, 1063, 1062, 1061, 1059, 1056, 1055, 1054, 1053, 1052, 1051, 1050, 1049, 1048, 1047, 1046, 1045, 1041, 1040, 1039, 1038, 1037, 1036, 1035, 1034, 1032, 1031, 1030, 1029, 1027, 1026, 1025, 1024, 1022, 1021, 1020, 1019, 1018, 1017, 1015, 1013, 1012, 1011, 1010, 1009, 1008, 1004, 1003, 1001, 1000, 999, 996, 995, 994, 993, 991, 990, 989, 988]
Starting structural reductions, iteration 1 : 1011/1189 places, 1427/1695 transitions.
Applied a total of 0 rules in 52 ms. Remains 1011 /1011 variables (removed 0) and now considering 1427/1427 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 1011/1189 places, 1427/1695 transitions.
Finished random walk after 4631 steps, including 226 resets, run visited all 1 properties in 47 ms. (steps per millisecond=98 )
FORMULA PolyORBNT-PT-S05J80-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.

BK_STOP 1589847172067

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution ReachabilityFireability -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 ReachabilityFireability -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="PolyORBNT-PT-S05J80"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# 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 itstools"
echo " Input is PolyORBNT-PT-S05J80, 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 r126-tajo-158961390700671"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBNT-PT-S05J80.tgz
mv PolyORBNT-PT-S05J80 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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;