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-174931350500349.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 ZombiesAndSurvivors-PT-Circular64010010, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r266-tall-174931350500349
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 676K
-rw-r--r-- 1 mcc users 9.2K Jun 6 09:12 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Jun 6 09:12 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Jun 6 09:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Jun 6 09:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.0K Jun 6 12:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Jun 6 12:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.5K Jun 6 12:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Jun 6 12:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 18K Jun 6 09:13 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 152K Jun 6 09:13 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Jun 6 09:12 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K Jun 6 09:12 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Jun 6 12:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.2K Jun 6 12:19 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 165K 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 1749326072227

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-Circular64010010
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-07 19:54:33] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2025-06-07 19:54:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 19:54:33] [INFO ] Load time of PNML (sax parser for PT used): 75 ms
[2025-06-07 19:54:33] [INFO ] Transformed 128 places.
[2025-06-07 19:54:33] [INFO ] Transformed 384 transitions.
[2025-06-07 19:54:33] [INFO ] Parsed PT model containing 128 places and 384 transitions and 896 arcs in 171 ms.
Discarding 320 transitions out of 384. Remains 64
Built sparse matrix representations for Structural reductions in 5 ms.14822KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 128/128 places, 384/384 transitions.
Computed a total of 0 stabilizing places and 64 stable transitions
Computed a total of 0 stabilizing places and 64 stable transitions
Computed a total of 0 stabilizing places and 64 stable transitions
Applied a total of 0 rules in 25 ms. Remains 128 /128 variables (removed 0) and now considering 384/384 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 38 ms. Remains : 128/128 places, 384/384 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 128/128 places, 384/384 transitions.
Computed a total of 0 stabilizing places and 64 stable transitions
Computed a total of 0 stabilizing places and 64 stable transitions
Computed a total of 0 stabilizing places and 64 stable transitions
Applied a total of 0 rules in 10 ms. Remains 128 /128 variables (removed 0) and now considering 384/384 (removed 0) transitions.
// Phase 1: matrix 384 rows 128 cols
[2025-06-07 19:54:33] [INFO ] Computed 0 invariants in 12 ms
[2025-06-07 19:54:33] [INFO ] Implicit Places using invariants in 158 ms returned []
[2025-06-07 19:54:33] [INFO ] Invariant cache hit.
[2025-06-07 19:54:34] [INFO ] State equation strengthened by 126 read => feed constraints.
[2025-06-07 19:54:34] [INFO ] Implicit Places using invariants and state equation in 182 ms returned []
Implicit Place search using SMT with State Equation took 367 ms to find 0 implicit places.
[2025-06-07 19:54:34] [INFO ] Redundant transitions in 22 ms returned []
Running 380 sub problems to find dead transitions.
[2025-06-07 19:54:34] [INFO ] Invariant cache hit.
[2025-06-07 19:54:34] [INFO ] State equation strengthened by 126 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/128 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 380 unsolved
At refinement iteration 1 (OVERLAPS) 384/512 variables, 128/128 constraints. Problems are: Problem set: 0 solved, 380 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/512 variables, 126/254 constraints. Problems are: Problem set: 0 solved, 380 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/512 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 380 unsolved
At refinement iteration 4 (OVERLAPS) 0/512 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 380 unsolved
No progress, stopping.
After SMT solving in domain Real declared 512/512 variables, and 254 constraints, problems are : Problem set: 0 solved, 380 unsolved in 30032 ms.
Refiners :[State Equation: 128/128 constraints, ReadFeed: 126/126 constraints, PredecessorRefiner: 380/380 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 380 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/128 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 380 unsolved
At refinement iteration 1 (OVERLAPS) 384/512 variables, 128/128 constraints. Problems are: Problem set: 0 solved, 380 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/512 variables, 126/254 constraints. Problems are: Problem set: 0 solved, 380 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/512 variables, 380/634 constraints. Problems are: Problem set: 0 solved, 380 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/512 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 380 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 512/512 variables, and 634 constraints, problems are : Problem set: 0 solved, 380 unsolved in 30014 ms.
Refiners :[State Equation: 128/128 constraints, ReadFeed: 126/126 constraints, PredecessorRefiner: 380/380 constraints, Known Traps: 0/0 constraints]
After SMT, in 60172ms problems are : Problem set: 0 solved, 380 unsolved
Search for dead transitions found 0 dead transitions in 60190ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 60607 ms. Remains : 128/128 places, 384/384 transitions.
Random walk for 1250009 steps, including 0 resets, run took 306 ms (no deadlock found). (steps per millisecond=4084 )
Random directed walk for 1250005 steps, including 0 resets, run took 413 ms (no deadlock found). (steps per millisecond=3026 )
[2025-06-07 19:55:35] [INFO ] Invariant cache hit.
[2025-06-07 19:55:35] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2025-06-07 19:55:35] [INFO ] State equation strengthened by 126 read => feed constraints.
[2025-06-07 19:55:35] [INFO ] [Real]Added 126 Read/Feed constraints in 20 ms returned sat
[2025-06-07 19:55:35] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 19:55:35] [INFO ] [Nat]Absence check using state equation in 427 ms returned sat
[2025-06-07 19:55:35] [INFO ] State equation strengthened by 126 read => feed constraints.
[2025-06-07 19:55:35] [INFO ] [Nat]Added 126 Read/Feed constraints in 23 ms returned sat
[2025-06-07 19:55:35] [INFO ] Deduced a trap composed of 128 places in 118 ms of which 12 ms to minimize.
[2025-06-07 19:55:35] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 162 ms
Starting structural reductions in LIVENESS mode, iteration 0 : 128/128 places, 384/384 transitions.
Graph (trivial) has 256 edges and 128 vertex of which 128 / 128 are part of one of the 2 SCC in 2 ms
Free SCC test removed 126 places
Ensure Unique test removed 380 transitions
Reduce isomorphic transitions removed 380 transitions.
Applied a total of 1 rules in 16 ms. Remains 2 /128 variables (removed 126) and now considering 4/384 (removed 380) transitions.
[2025-06-07 19:55:35] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
// Phase 1: matrix 3 rows 2 cols
[2025-06-07 19:55:35] [INFO ] Computed 0 invariants in 0 ms
[2025-06-07 19:55:35] [INFO ] Implicit Places using invariants in 31 ms returned []
[2025-06-07 19:55:35] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
[2025-06-07 19:55:35] [INFO ] Invariant cache hit.
[2025-06-07 19:55:36] [INFO ] Implicit Places using invariants and state equation in 85 ms returned []
Implicit Place search using SMT with State Equation took 123 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 1ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2/128 places, 4/384 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 140 ms. Remains : 2/128 places, 4/384 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 : 128/128 places, 384/384 transitions.
Graph (trivial) has 256 edges and 128 vertex of which 128 / 128 are part of one of the 2 SCC in 1 ms
Free SCC test removed 126 places
Ensure Unique test removed 380 transitions
Reduce isomorphic transitions removed 380 transitions.
Applied a total of 1 rules in 2 ms. Remains 2 /128 variables (removed 126) and now considering 4/384 (removed 380) transitions.
[2025-06-07 19:55:36] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
[2025-06-07 19:55:36] [INFO ] Invariant cache hit.
[2025-06-07 19:55:36] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-06-07 19:55:36] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
[2025-06-07 19:55:36] [INFO ] Invariant cache hit.
[2025-06-07 19:55:36] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 76 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 : 2/128 places, 4/384 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 78 ms. Remains : 2/128 places, 4/384 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 62708 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running ZombiesAndSurvivors-PT-Circular64010010

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: 128
TRANSITIONS: 384
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.006s, Sys 0.001s]


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: 545
MODEL NAME: /home/mcc/execution/model
128 places, 384 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...

BK_TIME_CONFINEMENT_REACHED

--------------------
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-Circular64010010"
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-Circular64010010, 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-174931350500349"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ZombiesAndSurvivors-PT-Circular64010010.tgz
mv ZombiesAndSurvivors-PT-Circular64010010 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 ;