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.r266-tall-174931350500334.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 ZombiesAndSurvivors-PT-Circular01005005, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r266-tall-174931350500334
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 472K
-rw-r--r-- 1 mcc users 7.6K Jun 6 09:11 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K Jun 6 09:11 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Jun 6 09:08 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Jun 6 09:08 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.6K Jun 6 12:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Jun 6 12:16 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Jun 6 12:17 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Jun 6 12:17 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 14K Jun 6 09:13 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 110K Jun 6 09:13 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Jun 6 09:12 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 96K Jun 6 09:12 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Jun 6 12:17 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Jun 6 12:17 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 17 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 11K Jun 5 20:08 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 1749325920170

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ZombiesAndSurvivors-PT-Circular01005005
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-07 19:52:01] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2025-06-07 19:52:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 19:52:01] [INFO ] Load time of PNML (sax parser for PT used): 31 ms
[2025-06-07 19:52:01] [INFO ] Transformed 8 places.
[2025-06-07 19:52:01] [INFO ] Transformed 24 transitions.
[2025-06-07 19:52:01] [INFO ] Parsed PT model containing 8 places and 24 transitions and 56 arcs in 139 ms.
Discarding 20 transitions out of 24. Remains 4
Built sparse matrix representations for Structural reductions in 4 ms.18970KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 8/8 places, 24/24 transitions.
Computed a total of 0 stabilizing places and 4 stable transitions
Computed a total of 0 stabilizing places and 4 stable transitions
Computed a total of 0 stabilizing places and 4 stable transitions
Applied a total of 0 rules in 14 ms. Remains 8 /8 variables (removed 0) and now considering 24/24 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 27 ms. Remains : 8/8 places, 24/24 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 8/8 places, 24/24 transitions.
Computed a total of 0 stabilizing places and 4 stable transitions
Computed a total of 0 stabilizing places and 4 stable transitions
Computed a total of 0 stabilizing places and 4 stable transitions
Applied a total of 0 rules in 9 ms. Remains 8 /8 variables (removed 0) and now considering 24/24 (removed 0) transitions.
// Phase 1: matrix 24 rows 8 cols
[2025-06-07 19:52:01] [INFO ] Computed 0 invariants in 3 ms
[2025-06-07 19:52:01] [INFO ] Implicit Places using invariants in 97 ms returned []
[2025-06-07 19:52:01] [INFO ] Invariant cache hit.
[2025-06-07 19:52:01] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 19:52:01] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 192 ms to find 0 implicit places.
[2025-06-07 19:52:01] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2025-06-07 19:52:02] [INFO ] Invariant cache hit.
[2025-06-07 19:52:02] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 14 constraints, problems are : Problem set: 0 solved, 20 unsolved in 165 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 20/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 34 constraints, problems are : Problem set: 0 solved, 20 unsolved in 174 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 372ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 379ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 594 ms. Remains : 8/8 places, 24/24 transitions.
Random walk for 1250000 steps, including 0 resets, run took 204 ms (no deadlock found). (steps per millisecond=6127 )
Random directed walk for 1250001 steps, including 0 resets, run took 241 ms (no deadlock found). (steps per millisecond=5186 )
[2025-06-07 19:52:02] [INFO ] Invariant cache hit.
[2025-06-07 19:52:02] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2025-06-07 19:52:02] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 19:52:02] [INFO ] [Real]Added 6 Read/Feed constraints in 6 ms returned sat
[2025-06-07 19:52:02] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 19:52:02] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-07 19:52:02] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 19:52:02] [INFO ] [Nat]Added 6 Read/Feed constraints in 5 ms returned sat
[2025-06-07 19:52:02] [INFO ] Deduced a trap composed of 8 places in 36 ms of which 16 ms to minimize.
[2025-06-07 19:52:02] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 47 ms
Starting structural reductions in LIVENESS mode, iteration 0 : 8/8 places, 24/24 transitions.
Graph (trivial) has 16 edges and 8 vertex of which 8 / 8 are part of one of the 2 SCC in 6 ms
Free SCC test removed 6 places
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Applied a total of 1 rules in 18 ms. Remains 2 /8 variables (removed 6) and now considering 4/24 (removed 20) transitions.
[2025-06-07 19:52:03] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
// Phase 1: matrix 3 rows 2 cols
[2025-06-07 19:52:03] [INFO ] Computed 0 invariants in 0 ms
[2025-06-07 19:52:03] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-07 19:52:03] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
[2025-06-07 19:52:03] [INFO ] Invariant cache hit.
[2025-06-07 19:52:03] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2/8 places, 4/24 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 54 ms. Remains : 2/8 places, 4/24 transitions.
Discarding 3 transitions out of 4. Remains 1
Initial state reduction rules removed 1 formulas.
Able to resolve query QuasiLiveness after proving 1 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 8/8 places, 24/24 transitions.
Graph (trivial) has 16 edges and 8 vertex of which 8 / 8 are part of one of the 2 SCC in 1 ms
Free SCC test removed 6 places
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Applied a total of 1 rules in 1 ms. Remains 2 /8 variables (removed 6) and now considering 4/24 (removed 20) transitions.
[2025-06-07 19:52:03] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
[2025-06-07 19:52:03] [INFO ] Invariant cache hit.
[2025-06-07 19:52:03] [INFO ] Implicit Places using invariants in 16 ms returned []
[2025-06-07 19:52:03] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
[2025-06-07 19:52:03] [INFO ] Invariant cache hit.
[2025-06-07 19:52:03] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2/8 places, 4/24 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 37 ms. Remains : 2/8 places, 4/24 transitions.
Discarding 3 transitions out of 4. Remains 1
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 :1 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 1 properties from file /home/mcc/execution/Liveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 1598 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running ZombiesAndSurvivors-PT-Circular01005005

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: 8
TRANSITIONS: 24
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.000s, 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: 525
MODEL NAME: /home/mcc/execution/model
8 places, 24 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 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1749325924511

--------------------
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 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="ZombiesAndSurvivors-PT-Circular01005005"
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 ZombiesAndSurvivors-PT-Circular01005005, 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 r266-tall-174931350500334"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ZombiesAndSurvivors-PT-Circular01005005.tgz
mv ZombiesAndSurvivors-PT-Circular01005005 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 ;