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.r490-tall-167912709701239.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 marciexred
Input is VehicularWifi-COL-none, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r490-tall-167912709701239
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 680K
-rw-r--r-- 1 mcc users 7.6K Feb 25 14:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Feb 25 14:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Feb 25 14:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Feb 25 14:02 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.7K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 17:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Feb 25 17:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Feb 25 17:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 17:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Feb 25 14:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 154K Feb 25 14:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 25 14:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K Feb 25 14:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 17:26 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 17:26 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 188K 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

here is the order used to build the result vector(from text file)
FORMULA_NAME VehicularWifi-COL-none-ReachabilityFireability-00
FORMULA_NAME VehicularWifi-COL-none-ReachabilityFireability-01
FORMULA_NAME VehicularWifi-COL-none-ReachabilityFireability-02
FORMULA_NAME VehicularWifi-COL-none-ReachabilityFireability-03
FORMULA_NAME VehicularWifi-COL-none-ReachabilityFireability-04
FORMULA_NAME VehicularWifi-COL-none-ReachabilityFireability-05
FORMULA_NAME VehicularWifi-COL-none-ReachabilityFireability-06
FORMULA_NAME VehicularWifi-COL-none-ReachabilityFireability-07
FORMULA_NAME VehicularWifi-COL-none-ReachabilityFireability-08
FORMULA_NAME VehicularWifi-COL-none-ReachabilityFireability-09
FORMULA_NAME VehicularWifi-COL-none-ReachabilityFireability-10
FORMULA_NAME VehicularWifi-COL-none-ReachabilityFireability-11
FORMULA_NAME VehicularWifi-COL-none-ReachabilityFireability-12
FORMULA_NAME VehicularWifi-COL-none-ReachabilityFireability-13
FORMULA_NAME VehicularWifi-COL-none-ReachabilityFireability-14
FORMULA_NAME VehicularWifi-COL-none-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1679402577820

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=marciexred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=VehicularWifi-COL-none
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-21 12:42:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-21 12:42:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 12:42:59] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-21 12:42:59] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-21 12:43:00] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 773 ms
[2023-03-21 12:43:00] [INFO ] Detected 1 constant HL places corresponding to 81920 PT places.
[2023-03-21 12:43:00] [INFO ] Imported 21 HL places and 41 HL transitions for a total of 115566 PT places and 379924.0 transition bindings in 66 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
FORMULA VehicularWifi-COL-none-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-21 12:43:00] [INFO ] Built PT skeleton of HLPN with 21 places and 41 transitions 136 arcs in 6 ms.
[2023-03-21 12:43:00] [INFO ] Skeletonized 15 HLPN properties in 1 ms.
Remains 2 properties that can be checked using skeleton over-approximation.
Reduce places removed 1 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Ensure Unique test removed 10 transitions
Reduce redundant transitions removed 10 transitions.
[2023-03-21 12:43:00] [INFO ] Flatten gal took : 16 ms
[2023-03-21 12:43:00] [INFO ] Flatten gal took : 5 ms
Arc [14:1*[$sa, $sb, $p, (MOD (ADD (MOD (MINUS $b 1) 1024) 1024) 1024)]] contains successor/predecessor on variables of sort BackoffStage
Arc [13:1*[$sa, $sb, $p, (MOD (ADD $tx 1) 20)]] contains successor/predecessor on variables of sort TxCount
Transition CorrectPacketButAck forces synchronizations/join behavior on parameter p2 of sort Pr
Arc [4:1*[$sa, $sb, $p, (MOD (ADD $pt 1) 4)]] contains successor/predecessor on variables of sort PT
Domain [St(2), St(2), Pr(4), PT(4)] of place Sense breaks symmetries in sort St
[2023-03-21 12:43:01] [INFO ] Unfolded HLPN to a Petri net with 115566 places and 83836 transitions 301810 arcs in 930 ms.
[2023-03-21 12:43:01] [INFO ] Unfolded 15 HLPN properties in 30 ms.
Initial state reduction rules removed 10 formulas.
Deduced a syphon composed of 98581 places in 248 ms
Reduce places removed 106837 places and 54136 transitions.
FORMULA VehicularWifi-COL-none-ReachabilityFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA VehicularWifi-COL-none-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA VehicularWifi-COL-none-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA VehicularWifi-COL-none-ReachabilityFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA VehicularWifi-COL-none-ReachabilityFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA VehicularWifi-COL-none-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA VehicularWifi-COL-none-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA VehicularWifi-COL-none-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA VehicularWifi-COL-none-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA VehicularWifi-COL-none-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 2 resets, run finished after 679 ms. (steps per millisecond=14 ) properties (out of 5) seen :3
FORMULA VehicularWifi-COL-none-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA VehicularWifi-COL-none-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA VehicularWifi-COL-none-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 4138 ms. (steps per millisecond=2 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 69 ms. (steps per millisecond=144 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-21 12:43:07] [INFO ] Flow matrix only has 17308 transitions (discarded 12392 similar events)
// Phase 1: matrix 17308 rows 8729 cols
[2023-03-21 12:43:08] [INFO ] Computed 8 place invariants in 882 ms
[2023-03-21 12:43:18] [INFO ] [Real]Absence check using 6 positive place invariants in 223 ms returned sat
[2023-03-21 12:43:18] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 281 ms returned sat
[2023-03-21 12:43:18] [INFO ] After 2427ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-21 12:43:20] [INFO ] [Nat]Absence check using 6 positive place invariants in 228 ms returned sat
[2023-03-21 12:43:20] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 278 ms returned sat
[2023-03-21 12:43:43] [INFO ] After 22585ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 12:43:44] [INFO ] State equation strengthened by 8411 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:902)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-21 12:43:44] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-21 12:43:44] [INFO ] After 25248ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:2
Parikh walk visited 0 properties in 31 ms.
Support contains 6439 out of 8729 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8729/8729 places, 29700/29700 transitions.
Partial Free-agglomeration rule applied 14 times.
Drop transitions removed 14 transitions
Iterating global reduction 0 with 14 rules applied. Total rules applied 14 place count 8729 transition count 29700
Applied a total of 14 rules in 843 ms. Remains 8729 /8729 variables (removed 0) and now considering 29700/29700 (removed 0) transitions.
[2023-03-21 12:43:45] [INFO ] Flow matrix only has 17308 transitions (discarded 12392 similar events)
// Phase 1: matrix 17308 rows 8729 cols
[2023-03-21 12:43:45] [INFO ] Computed 8 place invariants in 712 ms
[2023-03-21 12:43:46] [INFO ] Dead Transitions using invariants and state equation in 1524 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2368 ms. Remains : 8729/8729 places, 29700/29700 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 434 ms. (steps per millisecond=23 ) properties (out of 2) seen :0
Interrupted Best-First random walk after 9246 steps, including 2 resets, run timeout after 5001 ms. (steps per millisecond=1 ) properties seen 0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 295059 steps, run timeout after 15001 ms. (steps per millisecond=19 ) properties seen :{}
Probabilistic random walk after 295059 steps, saw 260542 distinct states, run finished after 15003 ms. (steps per millisecond=19 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-21 12:44:07] [INFO ] Flow matrix only has 17308 transitions (discarded 12392 similar events)
[2023-03-21 12:44:07] [INFO ] Invariant cache hit.
[2023-03-21 12:44:18] [INFO ] [Real]Absence check using 6 positive place invariants in 247 ms returned sat
[2023-03-21 12:44:18] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 272 ms returned sat
[2023-03-21 12:44:18] [INFO ] After 2200ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-21 12:44:19] [INFO ] [Nat]Absence check using 6 positive place invariants in 226 ms returned sat
[2023-03-21 12:44:20] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 273 ms returned sat
[2023-03-21 12:44:46] [INFO ] After 27888ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 9 ms.
Support contains 6439 out of 8729 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8729/8729 places, 29700/29700 transitions.
Applied a total of 0 rules in 821 ms. Remains 8729 /8729 variables (removed 0) and now considering 29700/29700 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 826 ms. Remains : 8729/8729 places, 29700/29700 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8729/8729 places, 29700/29700 transitions.
Applied a total of 0 rules in 246 ms. Remains 8729 /8729 variables (removed 0) and now considering 29700/29700 (removed 0) transitions.
[2023-03-21 12:44:47] [INFO ] Flow matrix only has 17308 transitions (discarded 12392 similar events)
[2023-03-21 12:44:48] [INFO ] Invariant cache hit.
[2023-03-21 12:44:48] [INFO ] Implicit Places using invariants in 877 ms returned []
Implicit Place search using SMT only with invariants took 885 ms to find 0 implicit places.
[2023-03-21 12:44:48] [INFO ] Flow matrix only has 17308 transitions (discarded 12392 similar events)
[2023-03-21 12:44:48] [INFO ] Invariant cache hit.
[2023-03-21 12:44:49] [INFO ] Dead Transitions using invariants and state equation in 945 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2088 ms. Remains : 8729/8729 places, 29700/29700 transitions.
Ensure Unique test removed 12392 transitions
Reduce isomorphic transitions removed 12392 transitions.
Iterating post reduction 0 with 12392 rules applied. Total rules applied 12392 place count 8729 transition count 17308
Drop transitions removed 4191 transitions
Redundant transition composition rules discarded 4191 transitions
Iterating global reduction 1 with 4191 rules applied. Total rules applied 16583 place count 8729 transition count 13117
Applied a total of 16583 rules in 55298 ms. Remains 8729 /8729 variables (removed 0) and now considering 13117/29700 (removed 16583) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 13117 rows 8729 cols
[2023-03-21 12:45:45] [INFO ] Computed 8 place invariants in 50 ms
timeout --kill-after=10s --signal=SIGINT 1m for testing only

Marcie built on Linux at 2019-11-18.
A model checker for Generalized Stochastic Petri nets

authors: Alex Tovchigrechko (IDD package and CTL model checking)

Martin Schwarick (Symbolic numerical analysis and CSL model checking)

Christian Rohr (Simulative and approximative numerical model checking)

marcie@informatik.tu-cottbus.de

called as: /home/mcc/BenchKit/bin//../reducer/bin//../../marcie/bin/marcie --net-file=model.pnml --mcc-file=ReachabilityFireability.xml --memory=6 --mcc-mode

parse successfull
net created successfully
CANNOT_COMPUTE


BK_STOP 1679402790814

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

+ 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//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -timeout 360 -rebuildPNML
colexpr_parser.cc:43: Parse exception: colexpr.y:367: Parse exception: colexpr: Parse error near ""
when parsing color expression <>

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="VehicularWifi-COL-none"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="marciexred"
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 marciexred"
echo " Input is VehicularWifi-COL-none, 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 r490-tall-167912709701239"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/VehicularWifi-COL-none.tgz
mv VehicularWifi-COL-none 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 ;