Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r252-tall-174915606200519.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool gold2024
Input is UtilityControlRoom-PT-Z2T4N08, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r252-tall-174915606200519
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 17K May 29 14:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 99K May 29 14:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 29K May 29 14:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 133K May 29 14:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 16K May 29 14:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 61K May 29 14:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 8.7K May 29 14:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 38K May 29 14:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 33K May 29 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 178K May 29 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 64K May 29 14:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 308K May 29 14:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.7K May 29 14:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.6K May 29 14:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 8 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 93K May 29 14:33 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 1749205244180

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=UtilityControlRoom-PT-Z2T4N08
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-06 10:20:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2025-06-06 10:20:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 10:20:45] [INFO ] Load time of PNML (sax parser for PT used): 62 ms
[2025-06-06 10:20:45] [INFO ] Transformed 140 places.
[2025-06-06 10:20:45] [INFO ] Transformed 216 transitions.
[2025-06-06 10:20:45] [INFO ] Parsed PT model containing 140 places and 216 transitions and 680 arcs in 155 ms.
Discarding 64 transitions out of 216. Remains 152
Ensure Unique test removed 32 transitions
Reduce redundant transitions removed 32 transitions.
Built sparse matrix representations for Structural reductions in 5 ms.15297KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 140/140 places, 184/184 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 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 140 transition count 168
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 16 rules in 31 ms. Remains 140 /140 variables (removed 0) and now considering 168/184 (removed 16) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 44 ms. Remains : 140/140 places, 168/184 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1695 ms (no deadlock found). (steps per millisecond=737 )
Random directed walk for 1250000 steps, including 0 resets, run took 1398 ms (no deadlock found). (steps per millisecond=894 )
// Phase 1: matrix 168 rows 140 cols
[2025-06-06 10:20:48] [INFO ] Computed 19 invariants in 10 ms
[2025-06-06 10:20:49] [INFO ] [Real]Absence check using 19 positive place invariants in 7 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 140/140 places, 216/216 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 140 transition count 152
Reduce places removed 32 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 48 rules applied. Total rules applied 112 place count 108 transition count 136
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 112 place count 108 transition count 120
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 144 place count 92 transition count 120
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 176 place count 76 transition count 104
Applied a total of 176 rules in 21 ms. Remains 76 /140 variables (removed 64) and now considering 104/216 (removed 112) transitions.
// Phase 1: matrix 104 rows 76 cols
[2025-06-06 10:20:49] [INFO ] Computed 19 invariants in 3 ms
[2025-06-06 10:20:49] [INFO ] Implicit Places using invariants in 114 ms returned [42, 43]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 119 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 74/140 places, 104/216 transitions.
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 0 with 32 rules applied. Total rules applied 32 place count 58 transition count 88
Applied a total of 32 rules in 4 ms. Remains 58 /74 variables (removed 16) and now considering 88/104 (removed 16) transitions.
// Phase 1: matrix 88 rows 58 cols
[2025-06-06 10:20:49] [INFO ] Computed 17 invariants in 1 ms
[2025-06-06 10:20:49] [INFO ] Implicit Places using invariants in 51 ms returned []
[2025-06-06 10:20:49] [INFO ] Invariant cache hit.
[2025-06-06 10:20:49] [INFO ] Implicit Places using invariants and state equation in 84 ms returned []
Implicit Place search using SMT with State Equation took 139 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 58/140 places, 88/216 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 285 ms. Remains : 58/140 places, 88/216 transitions.
Discarding 16 transitions out of 88. Remains 72
Initial state reduction rules removed 8 formulas.
RANDOM walk for 3124 steps (0 resets) in 208 ms. (14 steps per ms) remains 0/64 properties
Able to resolve query QuasiLiveness after proving 72 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 140/140 places, 216/216 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 140 transition count 152
Reduce places removed 32 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 48 rules applied. Total rules applied 112 place count 108 transition count 136
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 112 place count 108 transition count 120
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 144 place count 92 transition count 120
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 1 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 176 place count 76 transition count 104
Applied a total of 176 rules in 9 ms. Remains 76 /140 variables (removed 64) and now considering 104/216 (removed 112) transitions.
// Phase 1: matrix 104 rows 76 cols
[2025-06-06 10:20:49] [INFO ] Computed 19 invariants in 1 ms
[2025-06-06 10:20:49] [INFO ] Implicit Places using invariants in 80 ms returned [42, 43]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 81 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 74/140 places, 104/216 transitions.
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 0 with 32 rules applied. Total rules applied 32 place count 58 transition count 88
Applied a total of 32 rules in 2 ms. Remains 58 /74 variables (removed 16) and now considering 88/104 (removed 16) transitions.
// Phase 1: matrix 88 rows 58 cols
[2025-06-06 10:20:49] [INFO ] Computed 17 invariants in 2 ms
[2025-06-06 10:20:49] [INFO ] Implicit Places using invariants in 53 ms returned []
[2025-06-06 10:20:49] [INFO ] Invariant cache hit.
[2025-06-06 10:20:49] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 115 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 58/140 places, 88/216 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 208 ms. Remains : 58/140 places, 88/216 transitions.
Discarding 16 transitions out of 88. Remains 72
Net is quasi-live, checking if it is reversible to establish liveness.
Unable to solve all queries for examination Liveness. Remains :1 assertions to prove.
Unable to solve all queries for examination Liveness. Remains :72 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 72 properties from file /home/mcc/execution/Liveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 4212 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running UtilityControlRoom-PT-Z2T4N08

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 140
TRANSITIONS: 216
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.004s, Sys 0.000s]


SAVING FILE /home/mcc/execution/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 518
MODEL NAME: /home/mcc/execution/model
140 places, 216 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA Liveness TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1749205362667

--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination Liveness -timeout 180 -rebuildPNML

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-Z2T4N08"
export BK_EXAMINATION="Liveness"
export BK_TOOL="gold2024"
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 2-5832"
echo " Executing tool gold2024"
echo " Input is UtilityControlRoom-PT-Z2T4N08, 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 r252-tall-174915606200519"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtilityControlRoom-PT-Z2T4N08.tgz
mv UtilityControlRoom-PT-Z2T4N08 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 ;