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-171701118700154.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-Z4T4N02, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r453-smll-171701118700154
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 23K Apr 13 05:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 154K Apr 13 05:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 29K Apr 13 05:42 CTLFireability.txt
-rw-r--r-- 1 mcc users 137K Apr 13 05:42 CTLFireability.xml
-rw-r--r-- 1 mcc users 8.0K Apr 23 08:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 34K Apr 23 08:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 16K Apr 23 08:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 50K Apr 23 08:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 46K Apr 13 05:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 278K Apr 13 05:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 74K Apr 13 05:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 312K Apr 13 05:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.5K Apr 23 08:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.2K 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 65K 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 1717159594851

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-Z4T4N02
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202405141337
[2024-05-31 12:46:37] [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 12:46:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 12:46:37] [INFO ] Load time of PNML (sax parser for PT used): 134 ms
[2024-05-31 12:46:37] [INFO ] Transformed 80 places.
[2024-05-31 12:46:37] [INFO ] Transformed 150 transitions.
[2024-05-31 12:46:37] [INFO ] Parsed PT model containing 80 places and 150 transitions and 482 arcs in 366 ms.
Discarding 48 transitions out of 150. Remains 102
Ensure Unique test removed 32 transitions
Reduce redundant transitions removed 32 transitions.
Built sparse matrix representations for Structural reductions in 9 ms.20928KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 80/80 places, 118/118 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 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 80 transition count 110
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 8 rules in 63 ms. Remains 80 /80 variables (removed 0) and now considering 110/118 (removed 8) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 95 ms. Remains : 80/80 places, 110/118 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1857 ms (no deadlock found). (steps per millisecond=673 )
Random directed walk for 1250002 steps, including 0 resets, run took 1050 ms (no deadlock found). (steps per millisecond=1190 )
// Phase 1: matrix 110 rows 80 cols
[2024-05-31 12:46:41] [INFO ] Computed 7 invariants in 14 ms
[2024-05-31 12:46:41] [INFO ] [Real]Absence check using 7 positive place invariants in 12 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 80/80 places, 150/150 transitions.
Ensure Unique test removed 32 transitions
Reduce isomorphic transitions removed 32 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 64 rules applied. Total rules applied 64 place count 80 transition count 86
Reduce places removed 32 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 40 rules applied. Total rules applied 104 place count 48 transition count 78
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 104 place count 48 transition count 70
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 120 place count 40 transition count 70
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 128 place count 36 transition count 66
Applied a total of 128 rules in 33 ms. Remains 36 /80 variables (removed 44) and now considering 66/150 (removed 84) transitions.
// Phase 1: matrix 66 rows 36 cols
[2024-05-31 12:46:41] [INFO ] Computed 7 invariants in 2 ms
[2024-05-31 12:46:41] [INFO ] Implicit Places using invariants in 153 ms returned [22, 23]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 162 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 34/80 places, 66/150 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 26 transition count 58
Applied a total of 16 rules in 3 ms. Remains 26 /34 variables (removed 8) and now considering 58/66 (removed 8) transitions.
// Phase 1: matrix 58 rows 26 cols
[2024-05-31 12:46:41] [INFO ] Computed 5 invariants in 1 ms
[2024-05-31 12:46:41] [INFO ] Implicit Places using invariants in 89 ms returned []
[2024-05-31 12:46:41] [INFO ] Invariant cache hit.
[2024-05-31 12:46:41] [INFO ] Implicit Places using invariants and state equation in 126 ms returned []
Implicit Place search using SMT with State Equation took 219 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 26/80 places, 58/150 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 423 ms. Remains : 26/80 places, 58/150 transitions.
Discarding 8 transitions out of 58. Remains 50
Initial state reduction rules removed 2 formulas.
RANDOM walk for 565 steps (0 resets) in 189 ms. (2 steps per ms) remains 0/48 properties
[2024-05-31 12:46:42] [INFO ] Flatten gal took : 61 ms
[2024-05-31 12:46:42] [INFO ] Flatten gal took : 21 ms
[2024-05-31 12:46:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14880684619790425795.gal : 14 ms
[2024-05-31 12:46:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10358814361724483945.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/ReachabilityCardinality14880684619790425795.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10358814361724483945.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 50 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 80/80 places, 150/150 transitions.
Ensure Unique test removed 32 transitions
Reduce isomorphic transitions removed 32 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 64 rules applied. Total rules applied 64 place count 80 transition count 86
Reduce places removed 32 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 40 rules applied. Total rules applied 104 place count 48 transition count 78
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 104 place count 48 transition count 70
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 120 place count 40 transition count 70
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 128 place count 36 transition count 66
Applied a total of 128 rules in 9 ms. Remains 36 /80 variables (removed 44) and now considering 66/150 (removed 84) transitions.
// Phase 1: matrix 66 rows 36 cols
[2024-05-31 12:46:42] [INFO ] Computed 7 invariants in 2 ms
[2024-05-31 12:46:42] [INFO ] Implicit Places using invariants in 167 ms returned [22, 23]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 169 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 34/80 places, 66/150 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 26 transition count 58
Applied a total of 16 rules in 4 ms. Remains 26 /34 variables (removed 8) and now considering 58/66 (removed 8) transitions.
// Phase 1: matrix 58 rows 26 cols
[2024-05-31 12:46:42] [INFO ] Computed 5 invariants in 1 ms
[2024-05-31 12:46:42] [INFO ] Implicit Places using invariants in 70 ms returned []
[2024-05-31 12:46:42] [INFO ] Invariant cache hit.
[2024-05-31 12:46:42] [INFO ] Implicit Places using invariants and state equation in 120 ms returned []
Implicit Place search using SMT with State Equation took 194 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 26/80 places, 58/150 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 376 ms. Remains : 26/80 places, 58/150 transitions.
Discarding 8 transitions out of 58. Remains 50
Net is quasi-live, checking if it is reversible to establish liveness.
[2024-05-31 12:46:42] [INFO ] Flatten gal took : 12 ms
[2024-05-31 12:46:42] [INFO ] Flatten gal took : 10 ms
[2024-05-31 12:46:42] [INFO ] Time to serialize gal into /tmp/CTLFireability12652379590396938500.gal : 4 ms
[2024-05-31 12:46:42] [INFO ] Time to serialize properties into /tmp/CTLFireability497363066054693386.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/CTLFireability12652379590396938500.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability497363066054693386.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,6355,0.032191,3692,2,220,5,1941,6,0,165,1537,0


Converting to forward existential form...Done !
original formula: AG(EF(((((((IdleTechs_0==1)&&(IdleTechs_1==1))&&((IdleTechs_2==1)&&(IdleTechs_3==1)))&&(((Clients_0==1)&&(Clients_1==1))&&((OpenRequests_...606
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((((IdleTechs_0==1)&&(IdleTechs_1==1))&&((IdleTechs_2==1)&&(IdleTechs_3==1)))&&...666
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.064375,4304,1,0,5,5311,14,0,841,3366,5
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 5423 ms.

BK_STOP 1717159602981

--------------------
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:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.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-Z4T4N02"
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-Z4T4N02, 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-171701118700154"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtilityControlRoom-PT-Z4T4N02.tgz
mv UtilityControlRoom-PT-Z4T4N02 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 ;