Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r064-smll-177946904400154.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=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 2-5973
Executing tool gold2025
Input is CircularTrains-PT-096, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r064-smll-177946904400154
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 464K
-rw-r--r-- 1 mcc users 7.9K Mar 5 14:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Mar 5 14:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 5 14:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 5 14:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 08:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.8K Mar 5 14:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 91K Mar 5 14:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 5 14:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 5 14:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:06 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 73K Mar 3 18:30 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 Liveness

=== Now, execution of the tool begins

BK_START 1779482531812

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CircularTrains-PT-096
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2026-05-22 20:42:13] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-22 20:42:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:42:14] [INFO ] Load time of PNML (sax parser for PT used): 88 ms
[2026-05-22 20:42:14] [INFO ] Transformed 192 places.
[2026-05-22 20:42:14] [INFO ] Transformed 96 transitions.
[2026-05-22 20:42:14] [INFO ] Parsed PT model containing 192 places and 96 transitions and 384 arcs in 228 ms.
Built sparse matrix representations for Structural reductions in 8 ms.16135KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 192/192 places, 96/96 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 27 ms. Remains 192 /192 variables (removed 0) and now considering 96/96 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 47 ms. Remains : 192/192 places, 96/96 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 192/192 places, 96/96 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 9 ms. Remains 192 /192 variables (removed 0) and now considering 96/96 (removed 0) transitions.
// Phase 1: matrix 96 rows 192 cols
[2026-05-22 20:42:14] [INFO ] Computed 97 invariants in 21 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:42:14] [INFO ] Implicit Places using invariants in 398 ms returned []
[2026-05-22 20:42:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:42:15] [INFO ] Implicit Places using invariants and state equation in 307 ms returned []
Implicit Place search using SMT with State Equation took 757 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 20:42:15] [INFO ] Redundant transitions in 2 ms returned []
Running 64 sub problems to find dead transitions.
[2026-05-22 20:42:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/128 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/128 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 2 (OVERLAPS) 46/174 variables, 52/69 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/174 variables, 5/74 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/174 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 5 (OVERLAPS) 18/192 variables, 23/97 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 7 (OVERLAPS) 96/288 variables, 192/289 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/288 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 9 (OVERLAPS) 0/288 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 289 constraints, problems are : Problem set: 0 solved, 64 unsolved in 6233 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, Generalized P Invariants (flows): 45/45 constraints, State Equation: 192/192 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/128 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/128 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 2 (OVERLAPS) 46/174 variables, 52/69 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/174 variables, 5/74 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/174 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 5 (OVERLAPS) 18/192 variables, 23/97 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 7 (OVERLAPS) 96/288 variables, 192/289 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/288 variables, 64/353 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/288 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 10 (OVERLAPS) 0/288 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Int declared 288/288 variables, and 353 constraints, problems are : Problem set: 0 solved, 64 unsolved in 8153 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, Generalized P Invariants (flows): 45/45 constraints, State Equation: 192/192 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14473ms problems are : Problem set: 0 solved, 64 unsolved
Search for dead transitions found 0 dead transitions in 14486ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 15275 ms. Remains : 192/192 places, 96/96 transitions.
Random walk for 1250000 steps, including 0 resets, run took 6088 ms (no deadlock found). (steps per millisecond=205 )
Random directed walk for 1250006 steps, including 0 resets, run took 4484 ms (no deadlock found). (steps per millisecond=278 )
[2026-05-22 20:42:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2026-05-22 20:42:40] [INFO ] [Real]Absence check using 52 positive place invariants in 36 ms returned sat
[2026-05-22 20:42:40] [INFO ] [Real]Absence check using 52 positive and 45 generalized place invariants in 232 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 192/192 places, 96/96 transitions.
Applied a total of 0 rules in 4 ms. Remains 192 /192 variables (removed 0) and now considering 96/96 (removed 0) transitions.
[2026-05-22 20:42:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:42:41] [INFO ] Implicit Places using invariants in 406 ms returned [1, 4, 5, 8, 10, 14, 20, 27, 29, 37, 39, 49, 109, 115, 116, 123, 125, 144, 155, 162, 164, 166, 168, 174, 177, 178, 182, 183, 185, 186, 187, 189]
Discarding 32 places :
Implicit Place search using SMT only with invariants took 431 ms to find 32 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 160/192 places, 96/96 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 0 with 32 rules applied. Total rules applied 32 place count 160 transition count 64
Reduce places removed 32 places and 0 transitions.
Iterating post reduction 1 with 32 rules applied. Total rules applied 64 place count 128 transition count 64
Applied a total of 64 rules in 21 ms. Remains 128 /160 variables (removed 32) and now considering 64/96 (removed 32) transitions.
// Phase 1: matrix 64 rows 128 cols
[2026-05-22 20:42:41] [INFO ] Computed 65 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:42:41] [INFO ] Implicit Places using invariants in 263 ms returned []
[2026-05-22 20:42:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:42:41] [INFO ] Implicit Places using invariants and state equation in 340 ms returned []
Implicit Place search using SMT with State Equation took 608 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 128/192 places, 64/96 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1064 ms. Remains : 128/192 places, 64/96 transitions.
Initial state reduction rules removed 32 formulas.
RANDOM walk for 307 steps (0 resets) in 106 ms. (2 steps per ms) remains 0/32 properties
[2026-05-22 20:42:41] [INFO ] Flatten gal took : 50 ms
[2026-05-22 20:42:41] [INFO ] Flatten gal took : 19 ms
[2026-05-22 20:42:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18093211025753155950.gal : 11 ms
[2026-05-22 20:42:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality343840999066955249.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality18093211025753155950.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality343840999066955249.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality343840999066955249.prop.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 64 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 192/192 places, 96/96 transitions.
Applied a total of 0 rules in 5 ms. Remains 192 /192 variables (removed 0) and now considering 96/96 (removed 0) transitions.
// Phase 1: matrix 96 rows 192 cols
[2026-05-22 20:42:42] [INFO ] Computed 97 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:42:42] [INFO ] Implicit Places using invariants in 329 ms returned [1, 4, 5, 8, 10, 14, 20, 27, 29, 37, 39, 49, 109, 115, 116, 123, 125, 144, 155, 162, 164, 166, 168, 174, 177, 178, 182, 183, 185, 186, 187, 189]
Discarding 32 places :
Implicit Place search using SMT only with invariants took 331 ms to find 32 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 160/192 places, 96/96 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 0 with 32 rules applied. Total rules applied 32 place count 160 transition count 64
Reduce places removed 32 places and 0 transitions.
Iterating post reduction 1 with 32 rules applied. Total rules applied 64 place count 128 transition count 64
Applied a total of 64 rules in 3 ms. Remains 128 /160 variables (removed 32) and now considering 64/96 (removed 32) transitions.
// Phase 1: matrix 64 rows 128 cols
[2026-05-22 20:42:42] [INFO ] Computed 65 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:42:42] [INFO ] Implicit Places using invariants in 234 ms returned []
[2026-05-22 20:42:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:42:42] [INFO ] Implicit Places using invariants and state equation in 301 ms returned []
Implicit Place search using SMT with State Equation took 541 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 128/192 places, 64/96 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 880 ms. Remains : 128/192 places, 64/96 transitions.
Net is quasi-live, checking if it is reversible to establish liveness.
Net is conservative; using simplified expression for initial state.
[2026-05-22 20:42:42] [INFO ] Flatten gal took : 14 ms
[2026-05-22 20:42:43] [INFO ] Flatten gal took : 12 ms
[2026-05-22 20:42:43] [INFO ] Time to serialize gal into /tmp/CTLFireability7158065231731046554.gal : 4 ms
[2026-05-22 20:42:43] [INFO ] Time to serialize properties into /tmp/CTLFireability4019766987064954144.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability7158065231731046554.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability4019766987064954144.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.83262e+18,0.578221,19820,2,3201,5,94597,6,0,579,98753,0


Converting to forward existential form...Done !
original formula: AG(EF((((((((Section_78==1)&&(F76==1))&&((F37==1)&&(Section_57==1)))&&(((F7==1)&&(Section_39==1))&&((Section_9==1)&&(F55==1))))&&((((F28=...1008
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((((((Section_78==1)&&(F76==1))&&((F37==1)&&(Section_57==1)))&&(((F7==1)&&(Secti...1068
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,2.05492,48292,1,0,5,300084,14,0,2815,107447,5
Formula is TRUE !

***************************************

Able to resolve query Liveness after proving 1 properties.
FORMULA Liveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS TOPOLOGICAL QUASI_LIVE_REVERSIBLE INITIAL_STATE
Total runtime 31133 ms.

BK_STOP 1779482565169

--------------------
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
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -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
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination Liveness -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="CircularTrains-PT-096"
export BK_EXAMINATION="Liveness"
export BK_TOOL="gold2025"
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 2-5973"
echo " Executing tool gold2025"
echo " Input is CircularTrains-PT-096, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r064-smll-177946904400154"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CircularTrains-PT-096.tgz
mv CircularTrains-PT-096 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;