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-174931350700404.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-Kneser350703100100, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r266-tall-174931350700404
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 672K
-rw-r--r-- 1 mcc users 10K Jun 6 09:12 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Jun 6 09:12 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Jun 6 09:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Jun 6 09:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.0K Jun 6 12:25 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Jun 6 12:25 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Jun 6 12:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Jun 6 12:26 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 156K Jun 6 09:13 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Jun 6 09:13 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K Jun 6 09:13 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.2K Jun 6 12:26 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.2K Jun 6 12:26 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 19 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 142K 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 1749328440124

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-Kneser350703100100
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-07 20:34:01] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2025-06-07 20:34:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 20:34:01] [INFO ] Load time of PNML (sax parser for PT used): 68 ms
[2025-06-07 20:34:01] [INFO ] Transformed 70 places.
[2025-06-07 20:34:01] [INFO ] Transformed 350 transitions.
[2025-06-07 20:34:01] [INFO ] Parsed PT model containing 70 places and 350 transitions and 770 arcs in 161 ms.
Discarding 315 transitions out of 350. Remains 35
Built sparse matrix representations for Structural reductions in 4 ms.20301KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 70/70 places, 350/350 transitions.
Computed a total of 0 stabilizing places and 35 stable transitions
Computed a total of 0 stabilizing places and 35 stable transitions
Computed a total of 0 stabilizing places and 35 stable transitions
Applied a total of 0 rules in 31 ms. Remains 70 /70 variables (removed 0) and now considering 350/350 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 44 ms. Remains : 70/70 places, 350/350 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 70/70 places, 350/350 transitions.
Computed a total of 0 stabilizing places and 35 stable transitions
Computed a total of 0 stabilizing places and 35 stable transitions
Computed a total of 0 stabilizing places and 35 stable transitions
Applied a total of 0 rules in 11 ms. Remains 70 /70 variables (removed 0) and now considering 350/350 (removed 0) transitions.
// Phase 1: matrix 350 rows 70 cols
[2025-06-07 20:34:01] [INFO ] Computed 0 invariants in 16 ms
[2025-06-07 20:34:01] [INFO ] Implicit Places using invariants in 134 ms returned []
[2025-06-07 20:34:01] [INFO ] Invariant cache hit.
[2025-06-07 20:34:01] [INFO ] State equation strengthened by 68 read => feed constraints.
[2025-06-07 20:34:01] [INFO ] Implicit Places using invariants and state equation in 158 ms returned []
Implicit Place search using SMT with State Equation took 324 ms to find 0 implicit places.
[2025-06-07 20:34:02] [INFO ] Redundant transitions in 19 ms returned []
Running 342 sub problems to find dead transitions.
[2025-06-07 20:34:02] [INFO ] Invariant cache hit.
[2025-06-07 20:34:02] [INFO ] State equation strengthened by 68 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 1 (OVERLAPS) 350/420 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/420 variables, 68/138 constraints. Problems are: Problem set: 0 solved, 342 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/420 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 4 (OVERLAPS) 0/420 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 342 unsolved
No progress, stopping.
After SMT solving in domain Real declared 420/420 variables, and 138 constraints, problems are : Problem set: 0 solved, 342 unsolved in 8790 ms.
Refiners :[State Equation: 70/70 constraints, ReadFeed: 68/68 constraints, PredecessorRefiner: 342/342 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 342 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 1 (OVERLAPS) 350/420 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/420 variables, 68/138 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/420 variables, 342/480 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/420 variables, 0/480 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 5 (OVERLAPS) 0/420 variables, 0/480 constraints. Problems are: Problem set: 0 solved, 342 unsolved
No progress, stopping.
After SMT solving in domain Int declared 420/420 variables, and 480 constraints, problems are : Problem set: 0 solved, 342 unsolved in 12646 ms.
Refiners :[State Equation: 70/70 constraints, ReadFeed: 68/68 constraints, PredecessorRefiner: 342/342 constraints, Known Traps: 0/0 constraints]
After SMT, in 21606ms problems are : Problem set: 0 solved, 342 unsolved
Search for dead transitions found 0 dead transitions in 21621ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 21991 ms. Remains : 70/70 places, 350/350 transitions.
Random walk for 1250097 steps, including 0 resets, run took 139 ms (no deadlock found). (steps per millisecond=8993 )
Random directed walk for 1250087 steps, including 0 resets, run took 133 ms (no deadlock found). (steps per millisecond=9399 )
[2025-06-07 20:34:23] [INFO ] Invariant cache hit.
[2025-06-07 20:34:23] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2025-06-07 20:34:24] [INFO ] State equation strengthened by 68 read => feed constraints.
[2025-06-07 20:34:24] [INFO ] [Real]Added 68 Read/Feed constraints in 17 ms returned sat
[2025-06-07 20:34:24] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 20:34:24] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2025-06-07 20:34:24] [INFO ] State equation strengthened by 68 read => feed constraints.
[2025-06-07 20:34:24] [INFO ] [Nat]Added 68 Read/Feed constraints in 10 ms returned sat
[2025-06-07 20:34:24] [INFO ] Deduced a trap composed of 70 places in 61 ms of which 10 ms to minimize.
[2025-06-07 20:34:24] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 78 ms
Starting structural reductions in LIVENESS mode, iteration 0 : 70/70 places, 350/350 transitions.
Graph (trivial) has 280 edges and 70 vertex of which 70 / 70 are part of one of the 2 SCC in 2 ms
Free SCC test removed 68 places
Ensure Unique test removed 346 transitions
Reduce isomorphic transitions removed 346 transitions.
Applied a total of 1 rules in 11 ms. Remains 2 /70 variables (removed 68) and now considering 4/350 (removed 346) transitions.
[2025-06-07 20:34:24] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
// Phase 1: matrix 3 rows 2 cols
[2025-06-07 20:34:24] [INFO ] Computed 0 invariants in 1 ms
[2025-06-07 20:34:24] [INFO ] Implicit Places using invariants in 14 ms returned []
[2025-06-07 20:34:24] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
[2025-06-07 20:34:24] [INFO ] Invariant cache hit.
[2025-06-07 20:34:24] [INFO ] Implicit Places using invariants and state equation in 22 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 1ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2/70 places, 4/350 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 48 ms. Remains : 2/70 places, 4/350 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 : 70/70 places, 350/350 transitions.
Graph (trivial) has 280 edges and 70 vertex of which 70 / 70 are part of one of the 2 SCC in 1 ms
Free SCC test removed 68 places
Ensure Unique test removed 346 transitions
Reduce isomorphic transitions removed 346 transitions.
Applied a total of 1 rules in 2 ms. Remains 2 /70 variables (removed 68) and now considering 4/350 (removed 346) transitions.
[2025-06-07 20:34:24] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
[2025-06-07 20:34:24] [INFO ] Invariant cache hit.
[2025-06-07 20:34:24] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-07 20:34:24] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
[2025-06-07 20:34:24] [INFO ] Invariant cache hit.
[2025-06-07 20:34:24] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 44 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 : 2/70 places, 4/350 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 46 ms. Remains : 2/70 places, 4/350 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 22978 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running ZombiesAndSurvivors-PT-Kneser350703100100

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: 70
TRANSITIONS: 350
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.002s, Sys 0.004s]


SAVING FILE /home/mcc/execution/model (.net / .def) ...
EXPORT TIME: [User 0.001s, 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: 537
MODEL NAME: /home/mcc/execution/model
70 places, 350 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-Kneser350703100100"
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-Kneser350703100100, 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-174931350700404"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ZombiesAndSurvivors-PT-Kneser350703100100.tgz
mv ZombiesAndSurvivors-PT-Kneser350703100100 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 ;