Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r453-smll-171701118600114.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..........................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool itstools
Input is UtilityControlRoom-PT-Z2T4N02, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r453-smll-171701118600114
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 620K
-rw-r--r-- 1 mcc users 9.2K Apr 13 05:11 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Apr 13 05:11 CTLCardinality.xml
-rw-r--r-- 1 mcc users 13K Apr 13 05:07 CTLFireability.txt
-rw-r--r-- 1 mcc users 73K Apr 13 05:07 CTLFireability.xml
-rw-r--r-- 1 mcc users 7.2K Apr 23 08:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 36K Apr 23 08:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Apr 23 08:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 23K Apr 23 08:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 23K Apr 13 05:13 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 163K Apr 13 05:13 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 23K Apr 13 05:12 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 109K Apr 13 05:12 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Apr 23 08:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.5K Apr 23 08:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 8 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 24K May 18 16:43 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 1717159195276

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=UtilityControlRoom-PT-Z2T4N02
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202405141337
[2024-05-31 12:39:58] [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]
[2024-05-31 12:39:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 12:39:58] [INFO ] Load time of PNML (sax parser for PT used): 88 ms
[2024-05-31 12:39:58] [INFO ] Transformed 38 places.
[2024-05-31 12:39:58] [INFO ] Transformed 54 transitions.
[2024-05-31 12:39:58] [INFO ] Parsed PT model containing 38 places and 54 transitions and 170 arcs in 310 ms.
Discarding 16 transitions out of 54. Remains 38
Ensure Unique test removed 8 transitions
Reduce redundant transitions removed 8 transitions.
Built sparse matrix representations for Structural reductions in 8 ms.19638KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 38/38 places, 46/46 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
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 38 transition count 42
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 4 rules in 64 ms. Remains 38 /38 variables (removed 0) and now considering 42/46 (removed 4) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 96 ms. Remains : 38/38 places, 42/46 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1479 ms (no deadlock found). (steps per millisecond=845 )
Random directed walk for 1250002 steps, including 0 resets, run took 819 ms (no deadlock found). (steps per millisecond=1526 )
// Phase 1: matrix 42 rows 38 cols
[2024-05-31 12:40:01] [INFO ] Computed 7 invariants in 10 ms
[2024-05-31 12:40:01] [INFO ] [Real]Absence check using 7 positive place invariants in 13 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 38/38 places, 54/54 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 16 rules applied. Total rules applied 16 place count 38 transition count 38
Reduce places removed 8 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 28 place count 30 transition count 34
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 28 place count 30 transition count 30
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 36 place count 26 transition count 30
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 44 place count 22 transition count 26
Applied a total of 44 rules in 36 ms. Remains 22 /38 variables (removed 16) and now considering 26/54 (removed 28) transitions.
// Phase 1: matrix 26 rows 22 cols
[2024-05-31 12:40:01] [INFO ] Computed 7 invariants in 2 ms
[2024-05-31 12:40:01] [INFO ] Implicit Places using invariants in 127 ms returned [12, 13]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 144 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 20/38 places, 26/54 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 16 transition count 22
Applied a total of 8 rules in 5 ms. Remains 16 /20 variables (removed 4) and now considering 22/26 (removed 4) transitions.
// Phase 1: matrix 22 rows 16 cols
[2024-05-31 12:40:01] [INFO ] Computed 5 invariants in 5 ms
[2024-05-31 12:40:01] [INFO ] Implicit Places using invariants in 89 ms returned []
[2024-05-31 12:40:01] [INFO ] Invariant cache hit.
[2024-05-31 12:40:01] [INFO ] Implicit Places using invariants and state equation in 79 ms returned []
Implicit Place search using SMT with State Equation took 173 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 16/38 places, 22/54 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 367 ms. Remains : 16/38 places, 22/54 transitions.
Discarding 4 transitions out of 22. Remains 18
Initial state reduction rules removed 2 formulas.
RANDOM walk for 207 steps (0 resets) in 71 ms. (2 steps per ms) remains 0/16 properties
[2024-05-31 12:40:02] [INFO ] Flatten gal took : 47 ms
[2024-05-31 12:40:02] [INFO ] Flatten gal took : 12 ms
[2024-05-31 12:40:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8079350163623641030.gal : 11 ms
[2024-05-31 12:40:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4348503318014196293.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8079350163623641030.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4348503318014196293.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 18 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 38/38 places, 54/54 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 16 rules applied. Total rules applied 16 place count 38 transition count 38
Reduce places removed 8 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 28 place count 30 transition count 34
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 28 place count 30 transition count 30
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 36 place count 26 transition count 30
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 44 place count 22 transition count 26
Applied a total of 44 rules in 9 ms. Remains 22 /38 variables (removed 16) and now considering 26/54 (removed 28) transitions.
// Phase 1: matrix 26 rows 22 cols
[2024-05-31 12:40:02] [INFO ] Computed 7 invariants in 2 ms
[2024-05-31 12:40:02] [INFO ] Implicit Places using invariants in 109 ms returned [12, 13]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 111 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 20/38 places, 26/54 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 16 transition count 22
Applied a total of 8 rules in 4 ms. Remains 16 /20 variables (removed 4) and now considering 22/26 (removed 4) transitions.
// Phase 1: matrix 22 rows 16 cols
[2024-05-31 12:40:02] [INFO ] Computed 5 invariants in 2 ms
[2024-05-31 12:40:02] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-31 12:40:02] [INFO ] Invariant cache hit.
[2024-05-31 12:40:02] [INFO ] Implicit Places using invariants and state equation in 89 ms returned []
Implicit Place search using SMT with State Equation took 152 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 16/38 places, 22/54 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 277 ms. Remains : 16/38 places, 22/54 transitions.
Discarding 4 transitions out of 22. Remains 18
Net is quasi-live, checking if it is reversible to establish liveness.
[2024-05-31 12:40:02] [INFO ] Flatten gal took : 11 ms
[2024-05-31 12:40:02] [INFO ] Flatten gal took : 9 ms
[2024-05-31 12:40:02] [INFO ] Time to serialize gal into /tmp/CTLFireability8209319962471196042.gal : 3 ms
[2024-05-31 12:40:02] [INFO ] Time to serialize properties into /tmp/CTLFireability2135870625812419396.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability8209319962471196042.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability2135870625812419396.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/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,171,0.036756,3376,2,53,5,223,6,0,89,151,0


Converting to forward existential form...Done !
original formula: AG(EF((((((IdleTechs_0==1)&&(IdleTechs_1==1))&&((Clients_0==1)&&(Clients_1==1)))&&(((OpenRequests_0_0==0)&&(OpenRequests_0_1==0))&&((Open...382
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((((IdleTechs_0==1)&&(IdleTechs_1==1))&&((Clients_0==1)&&(Clients_1==1)))&&(((Op...442
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.050295,3724,1,0,5,888,14,0,444,405,5
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 4662 ms.

BK_STOP 1717159202849

--------------------
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
+ 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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /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="UtilityControlRoom-PT-Z2T4N02"
export BK_EXAMINATION="Liveness"
export BK_TOOL="itstools"
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 2-5568"
echo " Executing tool itstools"
echo " Input is UtilityControlRoom-PT-Z2T4N02, 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 r453-smll-171701118600114"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtilityControlRoom-PT-Z2T4N02.tgz
mv UtilityControlRoom-PT-Z2T4N02 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property Liveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;