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-174931350600369.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-Heawood172525, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r266-tall-174931350600369
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 444K
-rw-r--r-- 1 mcc users 9.5K Jun 6 09:17 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K Jun 6 09:17 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Jun 6 09:15 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Jun 6 09:15 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.5K Jun 6 12:21 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Jun 6 12:21 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.3K Jun 6 12:21 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Jun 6 12:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 6.7K Jun 6 09:17 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 42K Jun 6 09:17 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Jun 6 09:17 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K Jun 6 09:17 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Jun 6 12:21 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Jun 6 12:21 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 66K 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 1749326917157

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-Heawood172525
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-07 20:08:38] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2025-06-07 20:08:38] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 20:08:38] [INFO ] Load time of PNML (sax parser for PT used): 54 ms
[2025-06-07 20:08:38] [INFO ] Transformed 34 places.
[2025-06-07 20:08:38] [INFO ] Transformed 158 transitions.
[2025-06-07 20:08:38] [INFO ] Parsed PT model containing 34 places and 158 transitions and 350 arcs in 156 ms.
Discarding 129 transitions out of 158. Remains 29
Built sparse matrix representations for Structural reductions in 4 ms.19841KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 34/34 places, 158/158 transitions.
Computed a total of 0 stabilizing places and 17 stable transitions
Computed a total of 0 stabilizing places and 17 stable transitions
Computed a total of 0 stabilizing places and 17 stable transitions
Applied a total of 0 rules in 24 ms. Remains 34 /34 variables (removed 0) and now considering 158/158 (removed 0) transitions.
Running 151 sub problems to find dead transitions.
// Phase 1: matrix 158 rows 34 cols
[2025-06-07 20:08:38] [INFO ] Computed 0 invariants in 10 ms
[2025-06-07 20:08:38] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 1 (OVERLAPS) 158/192 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/192 variables, 32/66 constraints. Problems are: Problem set: 0 solved, 151 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 4 (OVERLAPS) 0/192 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 151 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 66 constraints, problems are : Problem set: 0 solved, 151 unsolved in 1751 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 151/151 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 151 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 1 (OVERLAPS) 158/192 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/192 variables, 32/66 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 151/217 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 151 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 217 constraints, problems are : Problem set: 0 solved, 151 unsolved in 2692 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 151/151 constraints, Known Traps: 0/0 constraints]
After SMT, in 4562ms problems are : Problem set: 0 solved, 151 unsolved
Search for dead transitions found 0 dead transitions in 4582ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 4648 ms. Remains : 34/34 places, 158/158 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 34/34 places, 158/158 transitions.
Computed a total of 0 stabilizing places and 17 stable transitions
Computed a total of 0 stabilizing places and 17 stable transitions
Computed a total of 0 stabilizing places and 17 stable transitions
Applied a total of 0 rules in 4 ms. Remains 34 /34 variables (removed 0) and now considering 158/158 (removed 0) transitions.
[2025-06-07 20:08:43] [INFO ] Invariant cache hit.
[2025-06-07 20:08:43] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-07 20:08:43] [INFO ] Invariant cache hit.
[2025-06-07 20:08:43] [INFO ] State equation strengthened by 32 read => feed constraints.
[2025-06-07 20:08:43] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
[2025-06-07 20:08:43] [INFO ] Redundant transitions in 4 ms returned []
Running 151 sub problems to find dead transitions.
[2025-06-07 20:08:43] [INFO ] Invariant cache hit.
[2025-06-07 20:08:43] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 1 (OVERLAPS) 158/192 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/192 variables, 32/66 constraints. Problems are: Problem set: 0 solved, 151 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 4 (OVERLAPS) 0/192 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 151 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 66 constraints, problems are : Problem set: 0 solved, 151 unsolved in 1616 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 151/151 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 151 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 1 (OVERLAPS) 158/192 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/192 variables, 32/66 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 151/217 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 151 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 217 constraints, problems are : Problem set: 0 solved, 151 unsolved in 2892 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 151/151 constraints, Known Traps: 0/0 constraints]
After SMT, in 4550ms problems are : Problem set: 0 solved, 151 unsolved
Search for dead transitions found 0 dead transitions in 4552ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 4647 ms. Remains : 34/34 places, 158/158 transitions.
Random walk for 1250035 steps, including 0 resets, run took 175 ms (no deadlock found). (steps per millisecond=7143 )
Random directed walk for 1250045 steps, including 0 resets, run took 143 ms (no deadlock found). (steps per millisecond=8741 )
[2025-06-07 20:08:48] [INFO ] Invariant cache hit.
[2025-06-07 20:08:48] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-07 20:08:48] [INFO ] State equation strengthened by 32 read => feed constraints.
[2025-06-07 20:08:48] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2025-06-07 20:08:48] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 20:08:48] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2025-06-07 20:08:48] [INFO ] State equation strengthened by 32 read => feed constraints.
[2025-06-07 20:08:48] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2025-06-07 20:08:48] [INFO ] Deduced a trap composed of 34 places in 38 ms of which 7 ms to minimize.
[2025-06-07 20:08:48] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 46 ms
Starting structural reductions in LIVENESS mode, iteration 0 : 34/34 places, 158/158 transitions.
Graph (trivial) has 112 edges and 34 vertex of which 34 / 34 are part of one of the 2 SCC in 2 ms
Free SCC test removed 32 places
Ensure Unique test removed 152 transitions
Reduce isomorphic transitions removed 152 transitions.
Applied a total of 1 rules in 11 ms. Remains 2 /34 variables (removed 32) and now considering 6/158 (removed 152) transitions.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
[2025-06-07 20:08:48] [INFO ] Flow matrix only has 3 transitions (discarded 3 similar events)
// Phase 1: matrix 3 rows 2 cols
[2025-06-07 20:08:48] [INFO ] Computed 0 invariants in 0 ms
[2025-06-07 20:08:48] [INFO ] Implicit Places using invariants in 14 ms returned []
[2025-06-07 20:08:48] [INFO ] Flow matrix only has 3 transitions (discarded 3 similar events)
[2025-06-07 20:08:48] [INFO ] Invariant cache hit.
[2025-06-07 20:08:48] [INFO ] Implicit Places using invariants and state equation in 28 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 : 2/34 places, 6/158 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 55 ms. Remains : 2/34 places, 6/158 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 : 34/34 places, 158/158 transitions.
Graph (trivial) has 112 edges and 34 vertex of which 34 / 34 are part of one of the 2 SCC in 0 ms
Free SCC test removed 32 places
Ensure Unique test removed 152 transitions
Reduce isomorphic transitions removed 152 transitions.
Applied a total of 1 rules in 0 ms. Remains 2 /34 variables (removed 32) and now considering 6/158 (removed 152) transitions.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
[2025-06-07 20:08:48] [INFO ] Flow matrix only has 3 transitions (discarded 3 similar events)
[2025-06-07 20:08:48] [INFO ] Invariant cache hit.
[2025-06-07 20:08:48] [INFO ] Implicit Places using invariants in 13 ms returned []
[2025-06-07 20:08:48] [INFO ] Flow matrix only has 3 transitions (discarded 3 similar events)
[2025-06-07 20:08:48] [INFO ] Invariant cache hit.
[2025-06-07 20:08:48] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 45 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 : 2/34 places, 6/158 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 45 ms. Remains : 2/34 places, 6/158 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 2 ms.
Working with output stream class java.io.PrintStream
Total runtime 10159 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running ZombiesAndSurvivors-PT-Heawood172525

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: 34
TRANSITIONS: 158
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: 538
MODEL NAME: /home/mcc/execution/model
34 places, 158 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-Heawood172525"
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-Heawood172525, 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-174931350600369"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ZombiesAndSurvivors-PT-Heawood172525.tgz
mv ZombiesAndSurvivors-PT-Heawood172525 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 ;