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-174931350500344.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-Circular32050050, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r266-tall-174931350500344
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 9.4K Jun 6 09:11 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Jun 6 09:11 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Jun 6 09:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Jun 6 09:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.7K Jun 6 12:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Jun 6 12:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Jun 6 12:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Jun 6 12:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 8.5K Jun 6 09:12 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 60K Jun 6 09:12 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Jun 6 09:12 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K Jun 6 09:12 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Jun 6 12:18 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Jun 6 12:18 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 82K 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 1749326030309

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-Circular32050050
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-07 19:53:51] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2025-06-07 19:53:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 19:53:51] [INFO ] Load time of PNML (sax parser for PT used): 55 ms
[2025-06-07 19:53:51] [INFO ] Transformed 64 places.
[2025-06-07 19:53:51] [INFO ] Transformed 192 transitions.
[2025-06-07 19:53:51] [INFO ] Parsed PT model containing 64 places and 192 transitions and 448 arcs in 146 ms.
Discarding 160 transitions out of 192. Remains 32
Built sparse matrix representations for Structural reductions in 3 ms.19984KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 64/64 places, 192/192 transitions.
Computed a total of 0 stabilizing places and 32 stable transitions
Computed a total of 0 stabilizing places and 32 stable transitions
Computed a total of 0 stabilizing places and 32 stable transitions
Applied a total of 0 rules in 24 ms. Remains 64 /64 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 35 ms. Remains : 64/64 places, 192/192 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 64/64 places, 192/192 transitions.
Computed a total of 0 stabilizing places and 32 stable transitions
Computed a total of 0 stabilizing places and 32 stable transitions
Computed a total of 0 stabilizing places and 32 stable transitions
Applied a total of 0 rules in 6 ms. Remains 64 /64 variables (removed 0) and now considering 192/192 (removed 0) transitions.
// Phase 1: matrix 192 rows 64 cols
[2025-06-07 19:53:51] [INFO ] Computed 0 invariants in 7 ms
[2025-06-07 19:53:51] [INFO ] Implicit Places using invariants in 114 ms returned []
[2025-06-07 19:53:51] [INFO ] Invariant cache hit.
[2025-06-07 19:53:52] [INFO ] State equation strengthened by 62 read => feed constraints.
[2025-06-07 19:53:52] [INFO ] Implicit Places using invariants and state equation in 128 ms returned []
Implicit Place search using SMT with State Equation took 267 ms to find 0 implicit places.
[2025-06-07 19:53:52] [INFO ] Redundant transitions in 6 ms returned []
Running 188 sub problems to find dead transitions.
[2025-06-07 19:53:52] [INFO ] Invariant cache hit.
[2025-06-07 19:53:52] [INFO ] State equation strengthened by 62 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (OVERLAPS) 192/256 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/256 variables, 62/126 constraints. Problems are: Problem set: 0 solved, 188 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/256 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (OVERLAPS) 0/256 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Real declared 256/256 variables, and 126 constraints, problems are : Problem set: 0 solved, 188 unsolved in 3936 ms.
Refiners :[State Equation: 64/64 constraints, ReadFeed: 62/62 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 188 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (OVERLAPS) 192/256 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/256 variables, 62/126 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/256 variables, 188/314 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/256 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (OVERLAPS) 0/256 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Int declared 256/256 variables, and 314 constraints, problems are : Problem set: 0 solved, 188 unsolved in 11927 ms.
Refiners :[State Equation: 64/64 constraints, ReadFeed: 62/62 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints]
After SMT, in 15938ms problems are : Problem set: 0 solved, 188 unsolved
Search for dead transitions found 0 dead transitions in 15949ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 16240 ms. Remains : 64/64 places, 192/192 transitions.
Random walk for 1250053 steps, including 0 resets, run took 147 ms (no deadlock found). (steps per millisecond=8503 )
Random directed walk for 1250012 steps, including 0 resets, run took 144 ms (no deadlock found). (steps per millisecond=8680 )
[2025-06-07 19:54:08] [INFO ] Invariant cache hit.
[2025-06-07 19:54:08] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2025-06-07 19:54:08] [INFO ] State equation strengthened by 62 read => feed constraints.
[2025-06-07 19:54:08] [INFO ] [Real]Added 62 Read/Feed constraints in 14 ms returned sat
[2025-06-07 19:54:08] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 19:54:08] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2025-06-07 19:54:08] [INFO ] State equation strengthened by 62 read => feed constraints.
[2025-06-07 19:54:08] [INFO ] [Nat]Added 62 Read/Feed constraints in 7 ms returned sat
[2025-06-07 19:54:08] [INFO ] Deduced a trap composed of 64 places in 45 ms of which 8 ms to minimize.
[2025-06-07 19:54:08] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 54 ms
Starting structural reductions in LIVENESS mode, iteration 0 : 64/64 places, 192/192 transitions.
Graph (trivial) has 128 edges and 64 vertex of which 64 / 64 are part of one of the 2 SCC in 1 ms
Free SCC test removed 62 places
Ensure Unique test removed 188 transitions
Reduce isomorphic transitions removed 188 transitions.
Applied a total of 1 rules in 9 ms. Remains 2 /64 variables (removed 62) and now considering 4/192 (removed 188) transitions.
[2025-06-07 19:54:08] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
// Phase 1: matrix 3 rows 2 cols
[2025-06-07 19:54:08] [INFO ] Computed 0 invariants in 0 ms
[2025-06-07 19:54:08] [INFO ] Implicit Places using invariants in 13 ms returned []
[2025-06-07 19:54:08] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
[2025-06-07 19:54:08] [INFO ] Invariant cache hit.
[2025-06-07 19:54:08] [INFO ] Implicit Places using invariants and state equation in 16 ms returned []
Implicit Place search using SMT with State Equation took 31 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 : 2/64 places, 4/192 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 40 ms. Remains : 2/64 places, 4/192 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 : 64/64 places, 192/192 transitions.
Graph (trivial) has 128 edges and 64 vertex of which 64 / 64 are part of one of the 2 SCC in 0 ms
Free SCC test removed 62 places
Ensure Unique test removed 188 transitions
Reduce isomorphic transitions removed 188 transitions.
Applied a total of 1 rules in 1 ms. Remains 2 /64 variables (removed 62) and now considering 4/192 (removed 188) transitions.
[2025-06-07 19:54:08] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
[2025-06-07 19:54:08] [INFO ] Invariant cache hit.
[2025-06-07 19:54:08] [INFO ] Implicit Places using invariants in 13 ms returned []
[2025-06-07 19:54:08] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
[2025-06-07 19:54:08] [INFO ] Invariant cache hit.
[2025-06-07 19:54:08] [INFO ] Implicit Places using invariants and state equation in 18 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 : 2/64 places, 4/192 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 33 ms. Remains : 2/64 places, 4/192 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 17116 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running ZombiesAndSurvivors-PT-Circular32050050

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: 64
TRANSITIONS: 192
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.003s, 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: 531
MODEL NAME: /home/mcc/execution/model
64 places, 192 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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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-Circular32050050"
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-Circular32050050, 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-174931350500344"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ZombiesAndSurvivors-PT-Circular32050050.tgz
mv ZombiesAndSurvivors-PT-Circular32050050 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 ;