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-174931350600359.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-Heawood140505, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r266-tall-174931350600359
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 668K
-rw-r--r-- 1 mcc users 11K Jun 6 09:14 CTLCardinality.txt
-rw-r--r-- 1 mcc users 98K Jun 6 09:14 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Jun 6 09:11 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Jun 6 09:11 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.7K Jun 6 12:20 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Jun 6 12:20 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Jun 6 12:20 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Jun 6 12:20 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 20K Jun 6 09:15 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 181K Jun 6 09:15 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 19K Jun 6 09:15 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 123K Jun 6 09:15 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Jun 6 12:20 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Jun 6 12:20 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 14 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 50K 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 1749326361117

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-Heawood140505
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-07 19:59:22] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2025-06-07 19:59:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 19:59:22] [INFO ] Load time of PNML (sax parser for PT used): 47 ms
[2025-06-07 19:59:22] [INFO ] Transformed 28 places.
[2025-06-07 19:59:22] [INFO ] Transformed 112 transitions.
[2025-06-07 19:59:22] [INFO ] Parsed PT model containing 28 places and 112 transitions and 252 arcs in 135 ms.
Discarding 70 transitions out of 112. Remains 42
Built sparse matrix representations for Structural reductions in 4 ms.19698KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 28/28 places, 112/112 transitions.
Computed a total of 0 stabilizing places and 14 stable transitions
Computed a total of 0 stabilizing places and 14 stable transitions
Computed a total of 0 stabilizing places and 14 stable transitions
Applied a total of 0 rules in 21 ms. Remains 28 /28 variables (removed 0) and now considering 112/112 (removed 0) transitions.
Running 106 sub problems to find dead transitions.
// Phase 1: matrix 112 rows 28 cols
[2025-06-07 19:59:22] [INFO ] Computed 0 invariants in 8 ms
[2025-06-07 19:59:22] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (OVERLAPS) 112/140 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/140 variables, 26/54 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/140 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (OVERLAPS) 0/140 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Real declared 140/140 variables, and 54 constraints, problems are : Problem set: 0 solved, 106 unsolved in 1447 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 106 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (OVERLAPS) 112/140 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/140 variables, 26/54 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/140 variables, 106/160 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/140 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 5 (OVERLAPS) 0/140 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Int declared 140/140 variables, and 160 constraints, problems are : Problem set: 0 solved, 106 unsolved in 1858 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 0/0 constraints]
After SMT, in 3423ms problems are : Problem set: 0 solved, 106 unsolved
Search for dead transitions found 0 dead transitions in 3440ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 3496 ms. Remains : 28/28 places, 112/112 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 28/28 places, 112/112 transitions.
Computed a total of 0 stabilizing places and 14 stable transitions
Computed a total of 0 stabilizing places and 14 stable transitions
Computed a total of 0 stabilizing places and 14 stable transitions
Applied a total of 0 rules in 3 ms. Remains 28 /28 variables (removed 0) and now considering 112/112 (removed 0) transitions.
[2025-06-07 19:59:26] [INFO ] Invariant cache hit.
[2025-06-07 19:59:26] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-06-07 19:59:26] [INFO ] Invariant cache hit.
[2025-06-07 19:59:26] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-07 19:59:26] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
[2025-06-07 19:59:26] [INFO ] Redundant transitions in 2 ms returned []
Running 106 sub problems to find dead transitions.
[2025-06-07 19:59:26] [INFO ] Invariant cache hit.
[2025-06-07 19:59:26] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (OVERLAPS) 112/140 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/140 variables, 26/54 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/140 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (OVERLAPS) 0/140 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Real declared 140/140 variables, and 54 constraints, problems are : Problem set: 0 solved, 106 unsolved in 1271 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 106 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (OVERLAPS) 112/140 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/140 variables, 26/54 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/140 variables, 106/160 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/140 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 5 (OVERLAPS) 0/140 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Int declared 140/140 variables, and 160 constraints, problems are : Problem set: 0 solved, 106 unsolved in 1572 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 0/0 constraints]
After SMT, in 2866ms problems are : Problem set: 0 solved, 106 unsolved
Search for dead transitions found 0 dead transitions in 2868ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 2963 ms. Remains : 28/28 places, 112/112 transitions.
Random walk for 1250000 steps, including 0 resets, run took 514 ms (no deadlock found). (steps per millisecond=2431 )
Random directed walk for 1250003 steps, including 0 resets, run took 495 ms (no deadlock found). (steps per millisecond=2525 )
[2025-06-07 19:59:30] [INFO ] Invariant cache hit.
[2025-06-07 19:59:30] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-07 19:59:30] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 19:59:30] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2025-06-07 19:59:30] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-07 19:59:30] [INFO ] [Nat]Added 26 Read/Feed constraints in 22 ms returned sat
[2025-06-07 19:59:30] [INFO ] Deduced a trap composed of 28 places in 37 ms of which 8 ms to minimize.
[2025-06-07 19:59:30] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 46 ms
Starting structural reductions in LIVENESS mode, iteration 0 : 28/28 places, 112/112 transitions.
Graph (trivial) has 56 edges and 28 vertex of which 28 / 28 are part of one of the 2 SCC in 2 ms
Free SCC test removed 26 places
Ensure Unique test removed 106 transitions
Reduce isomorphic transitions removed 106 transitions.
Applied a total of 1 rules in 13 ms. Remains 2 /28 variables (removed 26) and now considering 6/112 (removed 106) transitions.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
[2025-06-07 19:59:30] [INFO ] Flow matrix only has 3 transitions (discarded 3 similar events)
// Phase 1: matrix 3 rows 2 cols
[2025-06-07 19:59:30] [INFO ] Computed 0 invariants in 0 ms
[2025-06-07 19:59:30] [INFO ] Implicit Places using invariants in 14 ms returned []
[2025-06-07 19:59:30] [INFO ] Flow matrix only has 3 transitions (discarded 3 similar events)
[2025-06-07 19:59:30] [INFO ] Invariant cache hit.
[2025-06-07 19:59:30] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 35 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 : 2/28 places, 6/112 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 49 ms. Remains : 2/28 places, 6/112 transitions.
Discarding 3 transitions out of 6. Remains 3
Initial state reduction rules removed 3 formulas.
Able to resolve query QuasiLiveness after proving 3 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 28/28 places, 112/112 transitions.
Graph (trivial) has 56 edges and 28 vertex of which 28 / 28 are part of one of the 2 SCC in 1 ms
Free SCC test removed 26 places
Ensure Unique test removed 106 transitions
Reduce isomorphic transitions removed 106 transitions.
Applied a total of 1 rules in 1 ms. Remains 2 /28 variables (removed 26) and now considering 6/112 (removed 106) transitions.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
[2025-06-07 19:59:30] [INFO ] Flow matrix only has 3 transitions (discarded 3 similar events)
[2025-06-07 19:59:30] [INFO ] Invariant cache hit.
[2025-06-07 19:59:30] [INFO ] Implicit Places using invariants in 16 ms returned []
[2025-06-07 19:59:30] [INFO ] Flow matrix only has 3 transitions (discarded 3 similar events)
[2025-06-07 19:59:30] [INFO ] Invariant cache hit.
[2025-06-07 19:59:30] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 38 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 : 2/28 places, 6/112 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 39 ms. Remains : 2/28 places, 6/112 transitions.
Discarding 3 transitions out of 6. Remains 3
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 :3 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 3 properties from file /home/mcc/execution/Liveness.xml in 0 ms.
Working with output stream class java.io.PrintStream
Total runtime 8000 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running ZombiesAndSurvivors-PT-Heawood140505

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: 28
TRANSITIONS: 112
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.000s, Sys 0.003s]


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: 541
MODEL NAME: /home/mcc/execution/model
28 places, 112 transitions.

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.
Creating all event NSFs..
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-Heawood140505"
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-Heawood140505, 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-174931350600359"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ZombiesAndSurvivors-PT-Heawood140505.tgz
mv ZombiesAndSurvivors-PT-Heawood140505 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 ;