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.r210-tall-174894547400321.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)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is ShieldIIPt-PT-010B, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r210-tall-174894547400321
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 720K
-rw-r--r-- 1 mcc users 7.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 178K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 105K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 167K May 29 14:32 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 ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1749025930190

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ShieldIIPt-PT-010B
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-04 08:32:11] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2025-06-04 08:32:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 08:32:11] [INFO ] Load time of PNML (sax parser for PT used): 98 ms
[2025-06-04 08:32:11] [INFO ] Transformed 703 places.
[2025-06-04 08:32:11] [INFO ] Transformed 653 transitions.
[2025-06-04 08:32:11] [INFO ] Found NUPN structural information;
[2025-06-04 08:32:11] [INFO ] Parsed PT model containing 703 places and 653 transitions and 1626 arcs in 209 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 4 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 4 ms.19396KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 703/703 places, 653/653 transitions.
Computed a total of 200 stabilizing places and 200 stable transitions
Computed a total of 200 stabilizing places and 200 stable transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 172 transitions
Trivial Post-agglo rules discarded 172 transitions
Performed 172 trivial Post agglomeration. Transition count delta: 172
Iterating post reduction 0 with 172 rules applied. Total rules applied 172 place count 703 transition count 481
Reduce places removed 172 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Computed a total of 120 stabilizing places and 120 stable transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 174 rules applied. Total rules applied 346 place count 531 transition count 479
Reduce places removed 1 places and 0 transitions.
Computed a total of 120 stabilizing places and 120 stable transitions
Iterating post reduction 2 with 1 rules applied. Total rules applied 347 place count 530 transition count 479
Computed a total of 120 stabilizing places and 120 stable transitions
Performed 41 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 41 Pre rules applied. Total rules applied 347 place count 530 transition count 438
Deduced a syphon composed of 41 places in 1 ms
Reduce places removed 41 places and 0 transitions.
Iterating global reduction 3 with 82 rules applied. Total rules applied 429 place count 489 transition count 438
Computed a total of 120 stabilizing places and 120 stable transitions
Discarding 70 places :
Symmetric choice reduction at 3 with 70 rule applications. Total rules 499 place count 419 transition count 368
Iterating global reduction 3 with 70 rules applied. Total rules applied 569 place count 419 transition count 368
Computed a total of 80 stabilizing places and 80 stable transitions
Performed 30 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 30 Pre rules applied. Total rules applied 569 place count 419 transition count 338
Deduced a syphon composed of 30 places in 1 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 3 with 60 rules applied. Total rules applied 629 place count 389 transition count 338
Computed a total of 81 stabilizing places and 80 stable transitions
Performed 169 Post agglomeration using F-continuation condition.Transition count delta: 169
Deduced a syphon composed of 169 places in 0 ms
Reduce places removed 169 places and 0 transitions.
Iterating global reduction 3 with 338 rules applied. Total rules applied 967 place count 220 transition count 169
Computed a total of 3 stabilizing places and 1 stable transitions
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: -19
Deduced a syphon composed of 29 places in 0 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 3 with 58 rules applied. Total rules applied 1025 place count 191 transition count 188
Computed a total of 3 stabilizing places and 1 stable transitions
Computed a total of 3 stabilizing places and 1 stable transitions
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 1026 place count 190 transition count 187
Reduce places removed 2 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Iterating post reduction 3 with 2 rules applied. Total rules applied 1028 place count 188 transition count 187
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1028 place count 188 transition count 186
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1030 place count 187 transition count 186
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 1030 rules in 232 ms. Remains 187 /703 variables (removed 516) and now considering 186/653 (removed 467) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 244 ms. Remains : 187/703 places, 186/653 transitions.
Random walk for 1250000 steps, including 0 resets, run took 3429 ms (no deadlock found). (steps per millisecond=364 )
Random directed walk for 1250000 steps, including 0 resets, run took 2200 ms (no deadlock found). (steps per millisecond=568 )
// Phase 1: matrix 186 rows 187 cols
[2025-06-04 08:32:17] [INFO ] Computed 89 invariants in 14 ms
[2025-06-04 08:32:17] [INFO ] [Real]Absence check using 89 positive place invariants in 23 ms returned sat
[2025-06-04 08:32:17] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2025-06-04 08:32:17] [INFO ] Solution in real domain found non-integer solution.
[2025-06-04 08:32:18] [INFO ] [Nat]Absence check using 89 positive place invariants in 24 ms returned sat
[2025-06-04 08:32:18] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
[2025-06-04 08:32:18] [INFO ] Computed and/alt/rep : 182/278/182 causal constraints (skipped 0 transitions) in 20 ms.
[2025-06-04 08:32:18] [INFO ] Added : 137 causal constraints over 28 iterations in 519 ms. Result :sat
Parikh directed walk for 119900 steps, including 715 resets, run took 396 ms. (steps per millisecond=302 )
Random directed walk for 500005 steps, including 0 resets, run took 927 ms (no deadlock found). (steps per millisecond=539 )
Random walk for 500000 steps, including 0 resets, run took 1303 ms (no deadlock found). (steps per millisecond=383 )
Random directed walk for 500007 steps, including 0 resets, run took 903 ms (no deadlock found). (steps per millisecond=553 )
Random walk for 500000 steps, including 0 resets, run took 1330 ms (no deadlock found). (steps per millisecond=375 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 187/187 places, 186/186 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 187 /187 variables (removed 0) and now considering 186/186 (removed 0) transitions.
[2025-06-04 08:32:23] [INFO ] Invariant cache hit.
[2025-06-04 08:32:23] [INFO ] Implicit Places using invariants in 128 ms returned [176]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 130 ms to find 1 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 186/187 places, 186/186 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 185 transition count 185
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 2 rules in 11 ms. Remains 185 /186 variables (removed 1) and now considering 185/186 (removed 1) transitions.
// Phase 1: matrix 185 rows 185 cols
[2025-06-04 08:32:23] [INFO ] Computed 88 invariants in 2 ms
[2025-06-04 08:32:23] [INFO ] Implicit Places using invariants in 122 ms returned []
[2025-06-04 08:32:23] [INFO ] Invariant cache hit.
[2025-06-04 08:32:23] [INFO ] Implicit Places using invariants and state equation in 154 ms returned []
Implicit Place search using SMT with State Equation took 280 ms to find 0 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 2 : 185/187 places, 185/186 transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 433 ms. Remains : 185/187 places, 185/186 transitions.
Random walk for 1250000 steps, including 0 resets, run took 3270 ms (no deadlock found). (steps per millisecond=382 )
Random directed walk for 1250003 steps, including 0 resets, run took 2224 ms (no deadlock found). (steps per millisecond=562 )
[2025-06-04 08:32:29] [INFO ] Invariant cache hit.
[2025-06-04 08:32:29] [INFO ] [Real]Absence check using 88 positive place invariants in 15 ms returned sat
[2025-06-04 08:32:29] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2025-06-04 08:32:29] [INFO ] Solution in real domain found non-integer solution.
[2025-06-04 08:32:29] [INFO ] [Nat]Absence check using 88 positive place invariants in 16 ms returned sat
[2025-06-04 08:32:29] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2025-06-04 08:32:29] [INFO ] Computed and/alt/rep : 181/275/181 causal constraints (skipped 0 transitions) in 12 ms.
[2025-06-04 08:32:30] [INFO ] Added : 126 causal constraints over 26 iterations in 407 ms. Result :sat
Parikh directed walk for 79600 steps, including 438 resets, run took 239 ms. (steps per millisecond=333 )
Random directed walk for 500001 steps, including 0 resets, run took 858 ms (no deadlock found). (steps per millisecond=582 )
Random walk for 500000 steps, including 0 resets, run took 1294 ms (no deadlock found). (steps per millisecond=386 )
Random directed walk for 500002 steps, including 0 resets, run took 963 ms (no deadlock found). (steps per millisecond=519 )
Random walk for 500000 steps, including 0 resets, run took 1368 ms (no deadlock found). (steps per millisecond=365 )
[2025-06-04 08:32:35] [INFO ] Flatten gal took : 73 ms
[2025-06-04 08:32:35] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 2 ms.
[2025-06-04 08:32:35] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 703 places, 653 transitions and 1626 arcs took 10 ms.
Total runtime 23780 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running ShieldIIPt-PT-010B

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/399/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 703
TRANSITIONS: 653
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.005s, Sys 0.005s]


SAVING FILE /home/mcc/execution/399/model (.net / .def) ...
EXPORT TIME: [User 0.002s, 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: 516
MODEL NAME: /home/mcc/execution/399/model
703 places, 653 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 ReachabilityDeadlock TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1749026264077

--------------------
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_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityDeadlock -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="ShieldIIPt-PT-010B"
export BK_EXAMINATION="ReachabilityDeadlock"
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 ShieldIIPt-PT-010B, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r210-tall-174894547400321"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPt-PT-010B.tgz
mv ShieldIIPt-PT-010B execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;