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-174931350600379.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-Heawood381515, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r266-tall-174931350600379
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 608K
-rw-r--r-- 1 mcc users 12K Jun 6 09:12 CTLCardinality.txt
-rw-r--r-- 1 mcc users 116K Jun 6 09:12 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Jun 6 09:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Jun 6 09:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.2K Jun 6 12:22 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Jun 6 12:22 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.3K Jun 6 12:23 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Jun 6 12:23 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 12K Jun 6 09:13 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 89K Jun 6 09:13 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Jun 6 09:12 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K Jun 6 09:12 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Jun 6 12:23 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Jun 6 12:23 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 137K 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 1749327887120

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-Heawood381515
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-07 20:24:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2025-06-07 20:24:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 20:24:48] [INFO ] Load time of PNML (sax parser for PT used): 68 ms
[2025-06-07 20:24:48] [INFO ] Transformed 76 places.
[2025-06-07 20:24:48] [INFO ] Transformed 304 transitions.
[2025-06-07 20:24:48] [INFO ] Parsed PT model containing 76 places and 304 transitions and 684 arcs in 174 ms.
Discarding 190 transitions out of 304. Remains 114
Built sparse matrix representations for Structural reductions in 14 ms.14934KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 76/76 places, 304/304 transitions.
Computed a total of 0 stabilizing places and 38 stable transitions
Computed a total of 0 stabilizing places and 38 stable transitions
Computed a total of 0 stabilizing places and 38 stable transitions
Applied a total of 0 rules in 27 ms. Remains 76 /76 variables (removed 0) and now considering 304/304 (removed 0) transitions.
Running 298 sub problems to find dead transitions.
// Phase 1: matrix 304 rows 76 cols
[2025-06-07 20:24:48] [INFO ] Computed 0 invariants in 18 ms
[2025-06-07 20:24:48] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 1 (OVERLAPS) 304/380 variables, 76/76 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/380 variables, 74/150 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/380 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 4 (OVERLAPS) 0/380 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 298 unsolved
No progress, stopping.
After SMT solving in domain Real declared 380/380 variables, and 150 constraints, problems are : Problem set: 0 solved, 298 unsolved in 12476 ms.
Refiners :[State Equation: 76/76 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 298/298 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 298 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 1 (OVERLAPS) 304/380 variables, 76/76 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/380 variables, 74/150 constraints. Problems are: Problem set: 0 solved, 298 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 380/380 variables, and 448 constraints, problems are : Problem set: 0 solved, 298 unsolved in 20043 ms.
Refiners :[State Equation: 76/76 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 298/298 constraints, Known Traps: 0/0 constraints]
After SMT, in 32678ms problems are : Problem set: 0 solved, 298 unsolved
Search for dead transitions found 0 dead transitions in 32698ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 32769 ms. Remains : 76/76 places, 304/304 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 76/76 places, 304/304 transitions.
Computed a total of 0 stabilizing places and 38 stable transitions
Computed a total of 0 stabilizing places and 38 stable transitions
Computed a total of 0 stabilizing places and 38 stable transitions
Applied a total of 0 rules in 6 ms. Remains 76 /76 variables (removed 0) and now considering 304/304 (removed 0) transitions.
[2025-06-07 20:25:21] [INFO ] Invariant cache hit.
[2025-06-07 20:25:21] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-06-07 20:25:21] [INFO ] Invariant cache hit.
[2025-06-07 20:25:21] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-07 20:25:21] [INFO ] Implicit Places using invariants and state equation in 88 ms returned []
Implicit Place search using SMT with State Equation took 122 ms to find 0 implicit places.
[2025-06-07 20:25:21] [INFO ] Redundant transitions in 13 ms returned []
Running 298 sub problems to find dead transitions.
[2025-06-07 20:25:21] [INFO ] Invariant cache hit.
[2025-06-07 20:25:21] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 1 (OVERLAPS) 304/380 variables, 76/76 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/380 variables, 74/150 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/380 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 4 (OVERLAPS) 0/380 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 298 unsolved
No progress, stopping.
After SMT solving in domain Real declared 380/380 variables, and 150 constraints, problems are : Problem set: 0 solved, 298 unsolved in 11865 ms.
Refiners :[State Equation: 76/76 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 298/298 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 298 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 1 (OVERLAPS) 304/380 variables, 76/76 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/380 variables, 74/150 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/380 variables, 298/448 constraints. Problems are: Problem set: 0 solved, 298 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 380/380 variables, and 448 constraints, problems are : Problem set: 0 solved, 298 unsolved in 30017 ms.
Refiners :[State Equation: 76/76 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 298/298 constraints, Known Traps: 0/0 constraints]
After SMT, in 41946ms problems are : Problem set: 0 solved, 298 unsolved
Search for dead transitions found 0 dead transitions in 41950ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 42097 ms. Remains : 76/76 places, 304/304 transitions.
Random walk for 1250001 steps, including 0 resets, run took 389 ms (no deadlock found). (steps per millisecond=3213 )
Random directed walk for 1250028 steps, including 0 resets, run took 249 ms (no deadlock found). (steps per millisecond=5020 )
[2025-06-07 20:26:04] [INFO ] Invariant cache hit.
[2025-06-07 20:26:04] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2025-06-07 20:26:04] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 20:26:04] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2025-06-07 20:26:04] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-07 20:26:05] [INFO ] [Nat]Added 74 Read/Feed constraints in 942 ms returned sat
[2025-06-07 20:26:05] [INFO ] Deduced a trap composed of 76 places in 63 ms of which 8 ms to minimize.
[2025-06-07 20:26:05] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 79 ms
Starting structural reductions in LIVENESS mode, iteration 0 : 76/76 places, 304/304 transitions.
Graph (trivial) has 152 edges and 76 vertex of which 76 / 76 are part of one of the 2 SCC in 2 ms
Free SCC test removed 74 places
Ensure Unique test removed 298 transitions
Reduce isomorphic transitions removed 298 transitions.
Applied a total of 1 rules in 11 ms. Remains 2 /76 variables (removed 74) and now considering 6/304 (removed 298) transitions.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
[2025-06-07 20:26:05] [INFO ] Flow matrix only has 3 transitions (discarded 3 similar events)
// Phase 1: matrix 3 rows 2 cols
[2025-06-07 20:26:05] [INFO ] Computed 0 invariants in 0 ms
[2025-06-07 20:26:05] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-07 20:26:05] [INFO ] Flow matrix only has 3 transitions (discarded 3 similar events)
[2025-06-07 20:26:05] [INFO ] Invariant cache hit.
[2025-06-07 20:26:05] [INFO ] Implicit Places using invariants and state equation in 15 ms returned []
Implicit Place search using SMT with State Equation took 32 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 : 2/76 places, 6/304 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 43 ms. Remains : 2/76 places, 6/304 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 : 76/76 places, 304/304 transitions.
Graph (trivial) has 152 edges and 76 vertex of which 76 / 76 are part of one of the 2 SCC in 0 ms
Free SCC test removed 74 places
Ensure Unique test removed 298 transitions
Reduce isomorphic transitions removed 298 transitions.
Applied a total of 1 rules in 1 ms. Remains 2 /76 variables (removed 74) and now considering 6/304 (removed 298) transitions.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
[2025-06-07 20:26:05] [INFO ] Flow matrix only has 3 transitions (discarded 3 similar events)
[2025-06-07 20:26:05] [INFO ] Invariant cache hit.
[2025-06-07 20:26:05] [INFO ] Implicit Places using invariants in 12 ms returned []
[2025-06-07 20:26:05] [INFO ] Flow matrix only has 3 transitions (discarded 3 similar events)
[2025-06-07 20:26:05] [INFO ] Invariant cache hit.
[2025-06-07 20:26:05] [INFO ] Implicit Places using invariants and state equation in 12 ms returned []
Implicit Place search using SMT with State Equation took 26 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 : 2/76 places, 6/304 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 27 ms. Remains : 2/76 places, 6/304 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 77084 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running ZombiesAndSurvivors-PT-Heawood381515

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: 76
TRANSITIONS: 304
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.003s, Sys 0.002s]


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: 551
MODEL NAME: /home/mcc/execution/model
76 places, 304 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.

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-Heawood381515"
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-Heawood381515, 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-174931350600379"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ZombiesAndSurvivors-PT-Heawood381515.tgz
mv ZombiesAndSurvivors-PT-Heawood381515 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 ;